imapext-2007: src/imapd/imapd.c annotate

imapext-2007

annotate src/imapd/imapd.c @ 0:ada5e610ab86

imap-2007e

author	yuuji@gentei.org
date	Mon, 14 Sep 2009 15:17:45 +0900
parents
children	28a55bc1110c 5cecc027b845

rev	line source
yuuji@0	1 /* ========================================================================
yuuji@0	2 * Copyright 1988-2008 University of Washington
yuuji@0	3 *
yuuji@0	4 * Licensed under the Apache License, Version 2.0 (the "License");
yuuji@0	5 * you may not use this file except in compliance with the License.
yuuji@0	6 * You may obtain a copy of the License at
yuuji@0	7 *
yuuji@0	8 * http://www.apache.org/licenses/LICENSE-2.0
yuuji@0	9 *
yuuji@0	10 *
yuuji@0	11 * ========================================================================
yuuji@0	12 */
yuuji@0	13
yuuji@0	14 /*
yuuji@0	15 * Program: IMAP4rev1 server
yuuji@0	16 *
yuuji@0	17 * Author: Mark Crispin
yuuji@0	18 * UW Technology
yuuji@0	19 * University of Washington
yuuji@0	20 * Seattle, WA 98195
yuuji@0	21 * Internet: MRC@Washington.EDU
yuuji@0	22 *
yuuji@0	23 * Date: 5 November 1990
yuuji@0	24 * Last Edited: 3 March 2008
yuuji@0	25 */
yuuji@0	26
yuuji@0	27 /* Parameter files */
yuuji@0	28
yuuji@0	29 #include <stdio.h>
yuuji@0	30 #include <ctype.h>
yuuji@0	31 #include <errno.h>
yuuji@0	32 extern int errno; /* just in case */
yuuji@0	33 #include <signal.h>
yuuji@0	34 #include <setjmp.h>
yuuji@0	35 #include <time.h>
yuuji@0	36 #include "c-client.h"
yuuji@0	37 #include "newsrc.h"
yuuji@0	38 #include <sys/stat.h>
yuuji@0	39
yuuji@0	40
yuuji@0	41 #define CRLF PSOUT ("\015\012") /* primary output terpri */
yuuji@0	42
yuuji@0	43
yuuji@0	44 /* Timeouts and timers */
yuuji@0	45
yuuji@0	46 #define MINUTES *60
yuuji@0	47
yuuji@0	48 #define LOGINTIMEOUT 3 MINUTES /* not logged in autologout timer */
yuuji@0	49 #define TIMEOUT 30 MINUTES /* RFC 3501 minimum autologout timer */
yuuji@0	50 #define INPUTTIMEOUT 5 MINUTES /* timer for additional command input */
yuuji@0	51 #define ALERTTIMER 1 MINUTES /* alert check timer */
yuuji@0	52 #define SHUTDOWNTIMER 1 MINUTES /* shutdown dally timer */
yuuji@0	53 #define IDLETIMER 1 MINUTES /* IDLE command poll timer */
yuuji@0	54 #define CHECKTIMER 15 MINUTES /* IDLE command last checkpoint timer */
yuuji@0	55
yuuji@0	56
yuuji@0	57 #define LITSTKLEN 20 /* length of literal stack */
yuuji@0	58 #define MAXCLIENTLIT 10000 /* maximum non-APPEND client literal size
yuuji@0	59 * must be smaller than 4294967295
yuuji@0	60 */
yuuji@0	61 #define MAXAPPENDTXT 0x40000000 /* maximum APPEND literal size
yuuji@0	62 * must be smaller than 4294967295
yuuji@0	63 */
yuuji@0	64 #define CMDLEN 65536 /* size of command buffer */
yuuji@0	65
yuuji@0	66
yuuji@0	67 /* Server states */
yuuji@0	68
yuuji@0	69 #define LOGIN 0
yuuji@0	70 #define SELECT 1
yuuji@0	71 #define OPEN 2
yuuji@0	72 #define LOGOUT 3
yuuji@0	73
yuuji@0	74 /* Body text fetching */
yuuji@0	75
yuuji@0	76 typedef struct text_args {
yuuji@0	77 char section; / body section */
yuuji@0	78 STRINGLIST lines; / header lines */
yuuji@0	79 unsigned long first; /* first octet to fetch */
yuuji@0	80 unsigned long last; /* number of octets to fetch */
yuuji@0	81 long flags; /* fetch flags */
yuuji@0	82 long binary; /* binary flags */
yuuji@0	83 } TEXTARGS;
yuuji@0	84
yuuji@0	85 #define FTB_BINARY 0x1 /* fetch as binary */
yuuji@0	86 #define FTB_SIZE 0x2 /* fetch size only */
yuuji@0	87
yuuji@0	88
yuuji@0	89 /* Append data */
yuuji@0	90
yuuji@0	91 typedef struct append_data {
yuuji@0	92 unsigned char arg; / append argument pointer */
yuuji@0	93 char flags; / message flags */
yuuji@0	94 char date; / message date */
yuuji@0	95 char msg; / message text */
yuuji@0	96 STRING message; / message stringstruct */
yuuji@0	97 } APPENDDATA;
yuuji@0	98
yuuji@0	99
yuuji@0	100 /* Message pointer */
yuuji@0	101
yuuji@0	102 typedef struct msg_data {
yuuji@0	103 MAILSTREAM stream; / stream */
yuuji@0	104 unsigned long msgno; /* message number */
yuuji@0	105 char flags; / current flags */
yuuji@0	106 char date; / current date */
yuuji@0	107 STRING message; / stringstruct of message */
yuuji@0	108 } MSGDATA;
yuuji@0	109
yuuji@0	110 /* Function prototypes */
yuuji@0	111
yuuji@0	112 int main (int argc,char *argv[]);
yuuji@0	113 void ping_mailbox (unsigned long uid);
yuuji@0	114 time_t palert (char *file,time_t oldtime);
yuuji@0	115 void msg_string_init (STRING s,void data,unsigned long size);
yuuji@0	116 char msg_string_next (STRING *s);
yuuji@0	117 void msg_string_setpos (STRING *s,unsigned long i);
yuuji@0	118 void new_flags (MAILSTREAM *stream);
yuuji@0	119 void settimeout (unsigned int i);
yuuji@0	120 void clkint (void);
yuuji@0	121 void kodint (void);
yuuji@0	122 void hupint (void);
yuuji@0	123 void trmint (void);
yuuji@0	124 void staint (void);
yuuji@0	125 char sout (char s,char *t);
yuuji@0	126 char nout (char s,unsigned long n,unsigned long base);
yuuji@0	127 void slurp (char *s,int n,unsigned long timeout);
yuuji@0	128 void inliteral (char *s,unsigned long n);
yuuji@0	129 unsigned char *flush (void);
yuuji@0	130 void ioerror (FILE f,char reason);
yuuji@0	131 unsigned char parse_astring (unsigned char arg,unsigned long i,
yuuji@0	132 unsigned char *del);
yuuji@0	133 unsigned char snarf (unsigned char *arg);
yuuji@0	134 unsigned char snarf_base64 (unsigned char *arg);
yuuji@0	135 unsigned char snarf_list (unsigned char *arg);
yuuji@0	136 STRINGLIST parse_stringlist (unsigned char s,int list);
yuuji@0	137 unsigned long uidmax (MAILSTREAM *stream);
yuuji@0	138 long parse_criteria (SEARCHPGM pgm,unsigned char *arg,unsigned long maxmsg,
yuuji@0	139 unsigned long maxuid,unsigned long depth);
yuuji@0	140 long parse_criterion (SEARCHPGM pgm,unsigned char *arg,unsigned long msgmsg,
yuuji@0	141 unsigned long maxuid,unsigned long depth);
yuuji@0	142 long crit_date (unsigned short date,unsigned char *arg);
yuuji@0	143 long crit_date_work (unsigned short date,unsigned char *arg);
yuuji@0	144 long crit_set (SEARCHSET set,unsigned char arg,unsigned long maxima);
yuuji@0	145 long crit_number (unsigned long number,unsigned char *arg);
yuuji@0	146 long crit_string (STRINGLIST string,unsigned char arg);
yuuji@0	147
yuuji@0	148 void fetch (char *t,unsigned long uid);
yuuji@0	149 typedef void (fetchfn_t) (unsigned long i,void args);
yuuji@0	150 void fetch_work (char t,unsigned long uid,fetchfn_t f[],void fa[]);
yuuji@0	151 void fetch_bodystructure (unsigned long i,void *args);
yuuji@0	152 void fetch_body (unsigned long i,void *args);
yuuji@0	153 void fetch_body_part_mime (unsigned long i,void *args);
yuuji@0	154 void fetch_body_part_contents (unsigned long i,void *args);
yuuji@0	155 void fetch_body_part_binary (unsigned long i,void *args);
yuuji@0	156 void fetch_body_part_header (unsigned long i,void *args);
yuuji@0	157 void fetch_body_part_text (unsigned long i,void *args);
yuuji@0	158 void remember (unsigned long uid,char id,SIZEDTEXT st);
yuuji@0	159 void fetch_envelope (unsigned long i,void *args);
yuuji@0	160 void fetch_encoding (unsigned long i,void *args);
yuuji@0	161 void changed_flags (unsigned long i,int f);
yuuji@0	162 void fetch_flags (unsigned long i,void *args);
yuuji@0	163 void put_flag (int c,char s);
yuuji@0	164 void fetch_internaldate (unsigned long i,void *args);
yuuji@0	165 void fetch_uid (unsigned long i,void *args);
yuuji@0	166 void fetch_rfc822 (unsigned long i,void *args);
yuuji@0	167 void fetch_rfc822_header (unsigned long i,void *args);
yuuji@0	168 void fetch_rfc822_size (unsigned long i,void *args);
yuuji@0	169 void fetch_rfc822_text (unsigned long i,void *args);
yuuji@0	170 void penv (ENVELOPE *env);
yuuji@0	171 void pbodystructure (BODY *body);
yuuji@0	172 void pbody (BODY *body);
yuuji@0	173 void pparam (PARAMETER *param);
yuuji@0	174 void paddr (ADDRESS *a);
yuuji@0	175 void pset (SEARCHSET **set);
yuuji@0	176 void pnum (unsigned long i);
yuuji@0	177 void pstring (char *s);
yuuji@0	178 void pnstring (char *s);
yuuji@0	179 void pastring (char *s);
yuuji@0	180 void psizedquoted (SIZEDTEXT *s);
yuuji@0	181 void psizedliteral (SIZEDTEXT s,STRING st);
yuuji@0	182 void psizedstring (SIZEDTEXT s,STRING st);
yuuji@0	183 void psizedastring (SIZEDTEXT *s);
yuuji@0	184 void pastringlist (STRINGLIST *s);
yuuji@0	185 void pnstringorlist (STRINGLIST *s);
yuuji@0	186 void pbodypartstring (unsigned long msgno,char id,SIZEDTEXT st,STRING *bs,
yuuji@0	187 TEXTARGS *ta);
yuuji@0	188 void ptext (SIZEDTEXT s,STRING st);
yuuji@0	189 void pthread (THREADNODE *thr);
yuuji@0	190 void pcapability (long flag);
yuuji@0	191 long nameok (char ref,char name);
yuuji@0	192 char bboardname (char cmd,char *name);
yuuji@0	193 long isnewsproxy (char *name);
yuuji@0	194 long newsproxypattern (char ref,char pat,char *pattern,long flag);
yuuji@0	195 char imap_responder (void challenge,unsigned long clen,unsigned long *rlen);
yuuji@0	196 long proxycopy (MAILSTREAM stream,char sequence,char *mailbox,long options);
yuuji@0	197 long proxy_append (MAILSTREAM stream,void data,char flags,char date,
yuuji@0	198 STRING **message);
yuuji@0	199 long append_msg (MAILSTREAM stream,void data,char flags,char date,
yuuji@0	200 STRING **message);
yuuji@0	201 void copyuid (MAILSTREAM stream,char mailbox,unsigned long uidvalidity,
yuuji@0	202 SEARCHSET sourceset,SEARCHSET destset);
yuuji@0	203 void appenduid (char mailbox,unsigned long uidvalidity,SEARCHSET set);
yuuji@0	204 char referral (MAILSTREAM stream,char *url,long code);
yuuji@0	205 void mm_list_work (char what,int delimiter,char name,long attributes);
yuuji@0	206 char *lasterror (void);
yuuji@0	207
yuuji@0	208 /* Global storage */
yuuji@0	209
yuuji@0	210 char version = "404"; / edit number of this server */
yuuji@0	211 char logout = "Logout"; / syslogreason for logout */
yuuji@0	212 char goodbye = NIL; / bye reason */
yuuji@0	213 time_t alerttime = 0; /* time of last alert */
yuuji@0	214 time_t sysalerttime = 0; /* time of last system alert */
yuuji@0	215 time_t useralerttime = 0; /* time of last user alert */
yuuji@0	216 time_t lastcheck = 0; /* time of last checkpoint */
yuuji@0	217 time_t shutdowntime = 0; /* time of last shutdown */
yuuji@0	218 int state = LOGIN; /* server state */
yuuji@0	219 int cancelled = NIL; /* authenticate cancelled */
yuuji@0	220 int trycreate = 0; /* saw a trycreate */
yuuji@0	221 int finding = NIL; /* doing old FIND command */
yuuji@0	222 int anonymous = 0; /* non-zero if anonymous */
yuuji@0	223 int critical = NIL; /* non-zero if in critical code */
yuuji@0	224 int quell_events = NIL; /* non-zero if in FETCH response */
yuuji@0	225 int existsquelled = NIL; /* non-zero if an EXISTS was quelled */
yuuji@0	226 int proxylist = NIL; /* doing a proxy LIST */
yuuji@0	227 MAILSTREAM stream = NIL; / mailbox stream */
yuuji@0	228 DRIVER curdriver = NIL; / note current driver */
yuuji@0	229 MAILSTREAM tstream = NIL; / temporary mailbox stream */
yuuji@0	230 unsigned int nflags = 0; /* current number of keywords */
yuuji@0	231 unsigned long nmsgs =0xffffffff;/* last reported # of messages and recent */
yuuji@0	232 unsigned long recent = 0xffffffff;
yuuji@0	233 char nntpproxy = NIL; / NNTP proxy name */
yuuji@0	234 unsigned char user = NIL; / user name */
yuuji@0	235 unsigned char pass = NIL; / password */
yuuji@0	236 unsigned char initial = NIL; / initial response */
yuuji@0	237 unsigned char cmdbuf[CMDLEN]; /* command buffer */
yuuji@0	238 char status = "starting up"; / server status */
yuuji@0	239 char tag; / tag portion of command */
yuuji@0	240 unsigned char cmd; / command portion of command */
yuuji@0	241 unsigned char arg; / pointer to current argument of command */
yuuji@0	242 char lstwrn = NIL; / last warning message from c-client */
yuuji@0	243 char lsterr = NIL; / last error message from c-client */
yuuji@0	244 char lstref = NIL; / last referral from c-client */
yuuji@0	245 char response = NIL; / command response */
yuuji@0	246 struct {
yuuji@0	247 unsigned long size; /* size of current LITERAL+ */
yuuji@0	248 unsigned int ok : 1; /* LITERAL+ in effect */
yuuji@0	249 } litplus;
yuuji@0	250 int litsp = 0; /* literal stack pointer */
yuuji@0	251 char litstk[LITSTKLEN]; / stack to hold literals */
yuuji@0	252 unsigned long uidvalidity = 0; /* last reported UID validity */
yuuji@0	253 unsigned long lastuid = 0; /* last fetched uid */
yuuji@0	254 char lastid = NIL; / last fetched body id for this message */
yuuji@0	255 char lastsel = NIL; / last selected mailbox name */
yuuji@0	256 SIZEDTEXT lastst = {NIL,0}; /* last sizedtext */
yuuji@0	257 unsigned long cauidvalidity = 0;/* UIDVALIDITY for COPYUID/APPENDUID */
yuuji@0	258 SEARCHSET csset = NIL; / COPYUID source set */
yuuji@0	259 SEARCHSET caset = NIL; / COPYUID/APPENDUID destination set */
yuuji@0	260 jmp_buf jmpenv; /* stack context for setjmp */
yuuji@0	261
yuuji@0	262
yuuji@0	263 /* Response texts which appear in multiple places */
yuuji@0	264
yuuji@0	265 char *win = "%.80s OK ";
yuuji@0	266 char *rowin = "%.80s OK [READ-ONLY] %.80s completed\015\012";
yuuji@0	267 char *rwwin = "%.80s OK [READ-WRITE] %.80s completed\015\012";
yuuji@0	268 char *lose = "%.80s NO ";
yuuji@0	269 char *logwin = "%.80s OK [";
yuuji@0	270 char *losetry = "%.80s NO [TRYCREATE] %.80s failed: %.900s\015\012";
yuuji@0	271 char *loseunknowncte = "%.80s NO [UNKNOWN-CTE] %.80s failed: %.900s\015\012";
yuuji@0	272 char *badcmd = "%.80s BAD Command unrecognized: %.80s\015\012";
yuuji@0	273 char *misarg = "%.80s BAD Missing or invalid argument to %.80s\015\012";
yuuji@0	274 char *badarg = "%.80s BAD Argument given to %.80s when none expected\015\012";
yuuji@0	275 char *badseq = "%.80s BAD Bogus sequence in %.80s: %.80s\015\012";
yuuji@0	276 char *badatt = "%.80s BAD Bogus attribute list in %.80s\015\012";
yuuji@0	277 char *badbin = "%.80s BAD Syntax error in binary specifier\015\012";
yuuji@0	278
yuuji@0	279 /* Message string driver for message stringstructs */
yuuji@0	280
yuuji@0	281 STRINGDRIVER msg_string = {
yuuji@0	282 msg_string_init, /* initialize string structure */
yuuji@0	283 msg_string_next, /* get next byte in string structure */
yuuji@0	284 msg_string_setpos /* set position in string structure */
yuuji@0	285 };
yuuji@0	286
yuuji@0	287 /* Main program */
yuuji@0	288
yuuji@0	289 int main (int argc,char *argv[])
yuuji@0	290 {
yuuji@0	291 unsigned long i,uid;
yuuji@0	292 long f;
yuuji@0	293 unsigned char s,t,u,v,tmp[MAILTMPLEN];
yuuji@0	294 struct stat sbuf;
yuuji@0	295 logouthook_t lgoh;
yuuji@0	296 int ret = 0;
yuuji@0	297 time_t autologouttime = 0;
yuuji@0	298 char *pgmname;
yuuji@0	299 /* if case we get borked immediately */
yuuji@0	300 if (setjmp (jmpenv)) _exit (1);
yuuji@0	301 pgmname = (argc && argv[0]) ?
yuuji@0	302 (((s = strrchr (argv[0],'/')) \|\| (s = strrchr (argv[0],'\\'))) ?
yuuji@0	303 (char *) s+1 : argv[0]) : "imapd";
yuuji@0	304 /* set service name before linkage */
yuuji@0	305 mail_parameters (NIL,SET_SERVICENAME,(void *) "imap");
yuuji@0	306 #include "linkage.c"
yuuji@0	307 rfc822_date (tmp); /* get date/time at startup */
yuuji@0	308 /* initialize server */
yuuji@0	309 server_init (pgmname,"imap","imaps",clkint,kodint,hupint,trmint,staint);
yuuji@0	310 /* forbid automatic untagged expunge */
yuuji@0	311 mail_parameters (NIL,SET_EXPUNGEATPING,NIL);
yuuji@0	312 /* arm proxy copy callback */
yuuji@0	313 mail_parameters (NIL,SET_MAILPROXYCOPY,(void *) proxycopy);
yuuji@0	314 /* arm referral callback */
yuuji@0	315 mail_parameters (NIL,SET_IMAPREFERRAL,(void *) referral);
yuuji@0	316 /* arm COPYUID callback */
yuuji@0	317 mail_parameters (NIL,SET_COPYUID,(void *) copyuid);
yuuji@0	318 /* arm APPENDUID callback */
yuuji@0	319 mail_parameters (NIL,SET_APPENDUID,(void *) appenduid);
yuuji@0	320
yuuji@0	321 if (stat (SHUTDOWNFILE,&sbuf)) {
yuuji@0	322 char proxy[MAILTMPLEN];
yuuji@0	323 FILE *nntp = fopen (NNTPFILE,"r");
yuuji@0	324 if (nntp) { /* desire NNTP proxy? */
yuuji@0	325 if (fgets (proxy,MAILTMPLEN,nntp)) {
yuuji@0	326 /* remove newline and set NNTP proxy */
yuuji@0	327 if (s = strchr (proxy,'\n')) *s = '\0';
yuuji@0	328 nntpproxy = cpystr (proxy);
yuuji@0	329 /* disable the news driver */
yuuji@0	330 mail_parameters (NIL,DISABLE_DRIVER,"news");
yuuji@0	331 }
yuuji@0	332 fclose (nntp); /* done reading proxy name */
yuuji@0	333 }
yuuji@0	334 s = myusername_full (&i); /* get user name and flags */
yuuji@0	335 switch (i) {
yuuji@0	336 case MU_NOTLOGGEDIN:
yuuji@0	337 PSOUT ("* OK ["); /* not logged in, ordinary startup */
yuuji@0	338 pcapability (-1);
yuuji@0	339 break;
yuuji@0	340 case MU_ANONYMOUS:
yuuji@0	341 anonymous = T; /* anonymous user, fall into default */
yuuji@0	342 s = "ANONYMOUS";
yuuji@0	343 case MU_LOGGEDIN:
yuuji@0	344 PSOUT ("* PREAUTH ["); /* already logged in, pre-authorized */
yuuji@0	345 pcapability (1);
yuuji@0	346 user = cpystr (s); /* copy user name */
yuuji@0	347 pass = cpystr (""); / set fake password */
yuuji@0	348 state = SELECT; /* enter select state */
yuuji@0	349 break;
yuuji@0	350 default:
yuuji@0	351 fatal ("Unknown state from myusername_full()");
yuuji@0	352 }
yuuji@0	353 PSOUT ("] ");
yuuji@0	354 if (user) { /* preauthenticated as someone? */
yuuji@0	355 PSOUT ("Pre-authenticated user ");
yuuji@0	356 PSOUT (user);
yuuji@0	357 PBOUT (' ');
yuuji@0	358 }
yuuji@0	359 }
yuuji@0	360 else { /* login disabled */
yuuji@0	361 PSOUT ("* BYE Service not available ");
yuuji@0	362 state = LOGOUT;
yuuji@0	363 }
yuuji@0	364 PSOUT (tcp_serverhost ());
yuuji@0	365 PSOUT (" IMAP4rev1 ");
yuuji@0	366 PSOUT (CCLIENTVERSION);
yuuji@0	367 PBOUT ('.');
yuuji@0	368 PSOUT (version);
yuuji@0	369 PSOUT (" at ");
yuuji@0	370 PSOUT (tmp);
yuuji@0	371 CRLF;
yuuji@0	372 PFLUSH (); /* dump output buffer */
yuuji@0	373 switch (state) { /* do this after the banner */
yuuji@0	374 case LOGIN:
yuuji@0	375 autologouttime = time (0) + LOGINTIMEOUT;
yuuji@0	376 break;
yuuji@0	377 case SELECT:
yuuji@0	378 syslog (LOG_INFO,"Preauthenticated user=%.80s host=%.80s",
yuuji@0	379 user,tcp_clienthost ());
yuuji@0	380 break;
yuuji@0	381 }
yuuji@0	382
yuuji@0	383 if (setjmp (jmpenv)) { /* die if a signal handler say so */
yuuji@0	384 /* in case we get borked now */
yuuji@0	385 if (setjmp (jmpenv)) _exit (1);
yuuji@0	386 /* need to close stream gracefully? */
yuuji@0	387 if (stream && !stream->lock && (stream->dtb->flags & DR_XPOINT))
yuuji@0	388 stream = mail_close (stream);
yuuji@0	389 ret = 1; /* set exit status */
yuuji@0	390 }
yuuji@0	391 else while (state != LOGOUT) {/* command processing loop */
yuuji@0	392 slurp (cmdbuf,CMDLEN,TIMEOUT);
yuuji@0	393 /* no more last error or literal */
yuuji@0	394 if (lstwrn) fs_give ((void **) &lstwrn);
yuuji@0	395 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	396 if (lstref) fs_give ((void **) &lstref);
yuuji@0	397 while (litsp) fs_give ((void **) &litstk[--litsp]);
yuuji@0	398 /* find end of line */
yuuji@0	399 if (!strchr (cmdbuf,'\012')) {
yuuji@0	400 if (t = strchr (cmdbuf,' ')) *t = '\0';
yuuji@0	401 if ((t - cmdbuf) > 100) t = NIL;
yuuji@0	402 flush (); /* flush excess */
yuuji@0	403 if (state == LOGIN) /* error if NLI */
yuuji@0	404 syslog (LOG_INFO,"Line too long before authentication host=%.80s",
yuuji@0	405 tcp_clienthost ());
yuuji@0	406 sprintf (tmp,response,t ? (char ) cmdbuf : "");
yuuji@0	407 PSOUT (tmp);
yuuji@0	408 }
yuuji@0	409 else if (!(tag = strtok (cmdbuf," \015\012"))) {
yuuji@0	410 if (state == LOGIN) /* error if NLI */
yuuji@0	411 syslog (LOG_INFO,"Null command before authentication host=%.80s",
yuuji@0	412 tcp_clienthost ());
yuuji@0	413 PSOUT ("* BAD Null command\015\012");
yuuji@0	414 }
yuuji@0	415 else if (strlen (tag) > 50) PSOUT ("* BAD Excessively long tag\015\012");
yuuji@0	416 else if (!(s = strtok (NIL," \015\012"))) {
yuuji@0	417 if (state == LOGIN) /* error if NLI */
yuuji@0	418 syslog (LOG_INFO,"Missing command before authentication host=%.80s",
yuuji@0	419 tcp_clienthost ());
yuuji@0	420 PSOUT (tag);
yuuji@0	421 PSOUT (" BAD Missing command\015\012");
yuuji@0	422 }
yuuji@0	423 else { /* parse command */
yuuji@0	424 response = win; /* set default response */
yuuji@0	425 finding = NIL; /* no longer FINDing */
yuuji@0	426 ucase (s); /* canonicalize command case */
yuuji@0	427 /* UID command? */
yuuji@0	428 if (!strcmp (s,"UID") && strtok (NIL," \015\012")) {
yuuji@0	429 uid = T; /* a UID command */
yuuji@0	430 s[3] = ' '; /* restore the space delimiter */
yuuji@0	431 ucase (s); /* make sure command all uppercase */
yuuji@0	432 }
yuuji@0	433 else uid = NIL; /* not a UID command */
yuuji@0	434 /* flush previous saved command */
yuuji@0	435 if (cmd) fs_give ((void **) &cmd);
yuuji@0	436 cmd = cpystr (s); /* save current command */
yuuji@0	437 /* snarf argument, see if possible litplus */
yuuji@0	438 if ((arg = strtok (NIL,"\015\012")) && ((i = strlen (arg)) > 3) &&
yuuji@0	439 (arg[i - 1] == '}') && (arg[i - 2] == '+') && isdigit (arg[i - 3])) {
yuuji@0	440 /* back over possible count */
yuuji@0	441 for (i -= 4; i && isdigit (arg[i]); i--);
yuuji@0	442 if (arg[i] == '{') { /* found a literal? */
yuuji@0	443 litplus.ok = T; /* yes, note LITERAL+ in effect, set size */
yuuji@0	444 litplus.size = strtoul (arg + i + 1,NIL,10);
yuuji@0	445 }
yuuji@0	446 }
yuuji@0	447
yuuji@0	448 /* these commands always valid */
yuuji@0	449 if (!strcmp (cmd,"NOOP")) {
yuuji@0	450 if (arg) response = badarg;
yuuji@0	451 else if (stream) /* allow untagged EXPUNGE */
yuuji@0	452 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	453 }
yuuji@0	454 else if (!strcmp (cmd,"LOGOUT")) {
yuuji@0	455 if (arg) response = badarg;
yuuji@0	456 else { /* time to say farewell */
yuuji@0	457 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	458 if (lastsel) fs_give ((void **) &lastsel);
yuuji@0	459 if (state == OPEN) stream = mail_close (stream);
yuuji@0	460 state = LOGOUT;
yuuji@0	461 PSOUT ("* BYE ");
yuuji@0	462 PSOUT (mylocalhost ());
yuuji@0	463 PSOUT (" IMAP4rev1 server terminating connection\015\012");
yuuji@0	464 }
yuuji@0	465 }
yuuji@0	466 else if (!strcmp (cmd,"CAPABILITY")) {
yuuji@0	467 if (arg) response = badarg;
yuuji@0	468 else {
yuuji@0	469 PSOUT ("* ");
yuuji@0	470 pcapability (0); /* print capabilities */
yuuji@0	471 CRLF;
yuuji@0	472 }
yuuji@0	473 if (stream) /* allow untagged EXPUNGE */
yuuji@0	474 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	475 }
yuuji@0	476 #ifdef NETSCAPE_BRAIN_DAMAGE
yuuji@0	477 else if (!strcmp (cmd,"NETSCAPE")) {
yuuji@0	478 PSOUT ("* OK [NETSCAPE]\015\012* VERSION 1.0 UNIX\015\012* ACCOUNT-URL \"");
yuuji@0	479 PSOUT (NETSCAPE_BRAIN_DAMAGE);
yuuji@0	480 PBOUT ('"');
yuuji@0	481 CRLF;
yuuji@0	482 }
yuuji@0	483 #endif
yuuji@0	484
yuuji@0	485 else switch (state) { /* dispatch depending upon state */
yuuji@0	486 case LOGIN: /* waiting to get logged in */
yuuji@0	487 /* new style authentication */
yuuji@0	488 if (!strcmp (cmd,"AUTHENTICATE")) {
yuuji@0	489 if (user) fs_give ((void **) &user);
yuuji@0	490 if (pass) fs_give ((void **) &pass);
yuuji@0	491 initial = NIL; /* no initial argument */
yuuji@0	492 cancelled = NIL; /* not cancelled */
yuuji@0	493 /* mandatory first argument */
yuuji@0	494 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	495 else if (arg && !(initial = snarf_base64 (&arg)))
yuuji@0	496 response = misarg; /* optional second argument */
yuuji@0	497 else if (arg) response = badarg;
yuuji@0	498 else if (!strcmp (ucase (s),"ANONYMOUS") && !stat (ANOFILE,&sbuf)) {
yuuji@0	499 if (!(s = imap_responder ("",0,NIL)))
yuuji@0	500 response ="%.80s BAD AUTHENTICATE ANONYMOUS cancelled\015\012";
yuuji@0	501 else if (anonymous_login (argc,argv)) {
yuuji@0	502 anonymous = T; /* note we are anonymous */
yuuji@0	503 user = cpystr ("ANONYMOUS");
yuuji@0	504 pass = cpystr ("*");
yuuji@0	505 state = SELECT; /* make select */
yuuji@0	506 alerttime = 0; /* force alert */
yuuji@0	507 response = logwin;/* return logged-in capabilities */
yuuji@0	508 syslog (LOG_INFO,"Authenticated anonymous=%.80s host=%.80s",s,
yuuji@0	509 tcp_clienthost ());
yuuji@0	510 fs_give ((void **) &s);
yuuji@0	511 }
yuuji@0	512 else response ="%.80s NO AUTHENTICATE ANONYMOUS failed\015\012";
yuuji@0	513 }
yuuji@0	514 else if (user = cpystr (mail_auth (s,imap_responder,argc,argv))) {
yuuji@0	515 pass = cpystr ("*");
yuuji@0	516 state = SELECT; /* make select */
yuuji@0	517 alerttime = 0; /* force alert */
yuuji@0	518 response = logwin; /* return logged-in capabilities */
yuuji@0	519 syslog (LOG_INFO,"Authenticated user=%.80s host=%.80s mech=%.80s",
yuuji@0	520 user,tcp_clienthost (),s);
yuuji@0	521 }
yuuji@0	522
yuuji@0	523 else {
yuuji@0	524 AUTHENTICATOR *auth = mail_lookup_auth (1);
yuuji@0	525 char msg = (char ) fs_get (strlen (cmd) + strlen (s) + 2);
yuuji@0	526 sprintf (msg,"%s %s",cmd,s);
yuuji@0	527 fs_give ((void **) &cmd);
yuuji@0	528 cmd = msg;
yuuji@0	529 for (i = !mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL);
yuuji@0	530 auth && compare_cstring (s,auth->name); auth = auth->next);
yuuji@0	531 /* Failed authentication when hidden looks like invalid command.
yuuji@0	532 * This is intentional but confused me when I was debugging.
yuuji@0	533 */
yuuji@0	534 if (auth && auth->server && !(auth->flags & AU_DISABLE) &&
yuuji@0	535 !(auth->flags & AU_HIDE) && (i \|\| (auth->flags & AU_SECURE))) {
yuuji@0	536 response = lose;
yuuji@0	537 if (cancelled) {
yuuji@0	538 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	539 lsterr = cpystr ("cancelled by user");
yuuji@0	540 }
yuuji@0	541 if (!lsterr) /* catch-all */
yuuji@0	542 lsterr = cpystr ("Invalid authentication credentials");
yuuji@0	543 syslog (LOG_INFO,"AUTHENTICATE %.80s failure host=%.80s",s,
yuuji@0	544 tcp_clienthost ());
yuuji@0	545 }
yuuji@0	546 else {
yuuji@0	547 response = badcmd;
yuuji@0	548 syslog (LOG_INFO,"AUTHENTICATE %.80s invalid host=%.80s",s,
yuuji@0	549 tcp_clienthost ());
yuuji@0	550 }
yuuji@0	551 }
yuuji@0	552 }
yuuji@0	553
yuuji@0	554 /* plaintext login with password */
yuuji@0	555 else if (!strcmp (cmd,"LOGIN")) {
yuuji@0	556 if (user) fs_give ((void **) &user);
yuuji@0	557 if (pass) fs_give ((void **) &pass);
yuuji@0	558 /* two arguments */
yuuji@0	559 if (!((user = cpystr (snarf (&arg))) &&
yuuji@0	560 (pass = cpystr (snarf (&arg))))) response = misarg;
yuuji@0	561 else if (arg) response = badarg;
yuuji@0	562 /* see if we allow anonymous */
yuuji@0	563 else if (!compare_cstring (user,"ANONYMOUS") &&
yuuji@0	564 !stat (ANOFILE,&sbuf) && anonymous_login (argc,argv)) {
yuuji@0	565 anonymous = T; /* note we are anonymous */
yuuji@0	566 ucase (user); /* make all uppercase for consistency */
yuuji@0	567 state = SELECT; /* make select */
yuuji@0	568 alerttime = 0; /* force alert */
yuuji@0	569 response = logwin; /* return logged-in capabilities */
yuuji@0	570 syslog (LOG_INFO,"Login anonymous=%.80s host=%.80s",pass,
yuuji@0	571 tcp_clienthost ());
yuuji@0	572 }
yuuji@0	573 else { /* delimit user from possible admin */
yuuji@0	574 if (s = strchr (user,'')) s++ ='\0';
yuuji@0	575 /* see if username and password are OK */
yuuji@0	576 if (server_login (user,pass,s,argc,argv)) {
yuuji@0	577 state = SELECT; /* make select */
yuuji@0	578 alerttime = 0; /* force alert */
yuuji@0	579 response = logwin;/* return logged-in capabilities */
yuuji@0	580 syslog (LOG_INFO,"Login user=%.80s host=%.80s",user,
yuuji@0	581 tcp_clienthost ());
yuuji@0	582 }
yuuji@0	583 else {
yuuji@0	584 response = lose;
yuuji@0	585 if (!lsterr) lsterr = cpystr ("Invalid login credentials");
yuuji@0	586 }
yuuji@0	587 }
yuuji@0	588 }
yuuji@0	589 /* start TLS security */
yuuji@0	590 else if (!strcmp (cmd,"STARTTLS")) {
yuuji@0	591 if (arg) response = badarg;
yuuji@0	592 else if (lsterr = ssl_start_tls (pgmname)) response = lose;
yuuji@0	593 }
yuuji@0	594 else response = badcmd;
yuuji@0	595 break;
yuuji@0	596
yuuji@0	597 case OPEN: /* valid only when mailbox open */
yuuji@0	598 /* fetch mailbox attributes */
yuuji@0	599 if (!strcmp (cmd,"FETCH") \|\| !strcmp (cmd,"UID FETCH")) {
yuuji@0	600 if (!(arg && (s = strtok (arg," ")) && (t = strtok(NIL,"\015\012"))))
yuuji@0	601 response = misarg;
yuuji@0	602 else if (uid ? mail_uid_sequence (stream,s) :
yuuji@0	603 mail_sequence (stream,s)) fetch (t,uid);
yuuji@0	604 else response = badseq;
yuuji@0	605 }
yuuji@0	606 /* store mailbox attributes */
yuuji@0	607 else if (!strcmp (cmd,"STORE") \|\| !strcmp (cmd,"UID STORE")) {
yuuji@0	608 /* must have three arguments */
yuuji@0	609 if (!(arg && (s = strtok (arg," ")) && (v = strtok (NIL," ")) &&
yuuji@0	610 (t = strtok (NIL,"\015\012")))) response = misarg;
yuuji@0	611 else if (!(uid ? mail_uid_sequence (stream,s) :
yuuji@0	612 mail_sequence (stream,s))) response = badseq;
yuuji@0	613 else {
yuuji@0	614 f = ST_SET \| (uid ? ST_UID : NIL)\|((v[5]&&v[6]) ? ST_SILENT : NIL);
yuuji@0	615 if (!strcmp (ucase (v),"FLAGS") \|\| !strcmp (v,"FLAGS.SILENT")) {
yuuji@0	616 strcpy (tmp,"\\Answered \\Flagged \\Deleted \\Draft \\Seen");
yuuji@0	617 for (i = 0, u = tmp;
yuuji@0	618 (i < NUSERFLAGS) && (v = stream->user_flags[i]); i++)
yuuji@0	619 if (strlen (v) <
yuuji@0	620 ((size_t) (MAILTMPLEN - ((u += strlen (u)) + 2 - tmp)))) {
yuuji@0	621 u++ = ' '; / write next flag */
yuuji@0	622 strcpy (u,v);
yuuji@0	623 }
yuuji@0	624 mail_flag (stream,s,tmp,f & ~ST_SET);
yuuji@0	625 }
yuuji@0	626 else if (!strcmp (v,"-FLAGS") \|\| !strcmp (v,"-FLAGS.SILENT"))
yuuji@0	627 f &= ~ST_SET; /* clear flags */
yuuji@0	628 else if (strcmp (v,"+FLAGS") && strcmp (v,"+FLAGS.SILENT")) {
yuuji@0	629 response = badatt;
yuuji@0	630 break;
yuuji@0	631 }
yuuji@0	632 /* find last keyword */
yuuji@0	633 for (i = 0; (i < NUSERFLAGS) && stream->user_flags[i]; i++);
yuuji@0	634 mail_flag (stream,s,t,f);
yuuji@0	635 /* any new keywords appeared? */
yuuji@0	636 if (i < NUSERFLAGS && stream->user_flags[i]) new_flags (stream);
yuuji@0	637 /* return flags if silence not wanted */
yuuji@0	638 if (uid ? mail_uid_sequence (stream,s) : mail_sequence (stream,s))
yuuji@0	639 for (i = 1; i <= nmsgs; i++) if (mail_elt(stream,i)->sequence)
yuuji@0	640 mail_elt (stream,i)->spare2 = (f & ST_SILENT) ? NIL : T;
yuuji@0	641 }
yuuji@0	642 }
yuuji@0	643
yuuji@0	644 /* check for new mail */
yuuji@0	645 else if (!strcmp (cmd,"CHECK")) {
yuuji@0	646 /* no arguments */
yuuji@0	647 if (arg) response = badarg;
yuuji@0	648 else if (!anonymous) {
yuuji@0	649 mail_check (stream);
yuuji@0	650 /* remember last check time */
yuuji@0	651 lastcheck = time (0);
yuuji@0	652 }
yuuji@0	653 }
yuuji@0	654 /* expunge deleted messages */
yuuji@0	655 else if (!(anonymous \|\| (strcmp (cmd,"EXPUNGE") &&
yuuji@0	656 strcmp (cmd,"UID EXPUNGE")))) {
yuuji@0	657 if (uid && !arg) response = misarg;
yuuji@0	658 else if (!uid && arg) response = badarg;
yuuji@0	659 else { /* expunge deleted or specified UIDs */
yuuji@0	660 mail_expunge_full (stream,arg,arg ? EX_UID : NIL);
yuuji@0	661 /* remember last checkpoint */
yuuji@0	662 lastcheck = time (0);
yuuji@0	663 }
yuuji@0	664 }
yuuji@0	665 /* close mailbox */
yuuji@0	666 else if (!strcmp (cmd,"CLOSE") \|\| !strcmp (cmd,"UNSELECT")) {
yuuji@0	667 /* no arguments */
yuuji@0	668 if (arg) response = badarg;
yuuji@0	669 else {
yuuji@0	670 /* no last uid */
yuuji@0	671 uidvalidity = lastuid = 0;
yuuji@0	672 if (lastsel) fs_give ((void **) &lastsel);
yuuji@0	673 if (lastid) fs_give ((void **) &lastid);
yuuji@0	674 if (lastst.data) fs_give ((void **) &lastst.data);
yuuji@0	675 stream = mail_close_full (stream,((*cmd == 'C') && !anonymous) ?
yuuji@0	676 CL_EXPUNGE : NIL);
yuuji@0	677 state = SELECT; /* no longer opened */
yuuji@0	678 lastcheck = 0; /* no last checkpoint */
yuuji@0	679 }
yuuji@0	680 }
yuuji@0	681 else if (!anonymous && /* copy message(s) */
yuuji@0	682 (!strcmp (cmd,"COPY") \|\| !strcmp (cmd,"UID COPY"))) {
yuuji@0	683 trycreate = NIL; /* no trycreate status */
yuuji@0	684 if (!(arg && (s = strtok (arg," ")) && (arg = strtok(NIL,"\015\012"))
yuuji@0	685 && (t = snarf (&arg)))) response = misarg;
yuuji@0	686 else if (arg) response = badarg;
yuuji@0	687 else if (!nmsgs) {
yuuji@0	688 response = lose;
yuuji@0	689 if (!lsterr) lsterr = cpystr ("Mailbox is empty");
yuuji@0	690 }
yuuji@0	691 else if (!(uid ? mail_uid_sequence (stream,s) :
yuuji@0	692 mail_sequence (stream,s))) response = badseq;
yuuji@0	693 /* try copy */
yuuji@0	694 else if (!mail_copy_full (stream,s,t,uid ? CP_UID : NIL)) {
yuuji@0	695 response = trycreate ? losetry : lose;
yuuji@0	696 if (!lsterr) lsterr = cpystr ("No such destination mailbox");
yuuji@0	697 }
yuuji@0	698 }
yuuji@0	699
yuuji@0	700 /* sort mailbox */
yuuji@0	701 else if (!strcmp (cmd,"SORT") \|\| !strcmp (cmd,"UID SORT")) {
yuuji@0	702 /* must have four arguments */
yuuji@0	703 if (!(arg && (*arg == '(') && (t = strchr (s = arg + 1,')')) &&
yuuji@0	704 (t[1] == ' ') && (*(arg = t + 2)))) response = misarg;
yuuji@0	705 else { /* read criteria */
yuuji@0	706 SEARCHPGM *spg = NIL;
yuuji@0	707 char *cs = NIL;
yuuji@0	708 SORTPGM pgm = NIL,pg = NIL;
yuuji@0	709 unsigned long slst,sl;
yuuji@0	710 t = NIL; / tie off criteria list */
yuuji@0	711 if (!(s = strtok (ucase (s)," "))) response = badatt;
yuuji@0	712 else {
yuuji@0	713 do { /* parse sort attributes */
yuuji@0	714 if (pg) pg = pg->next = mail_newsortpgm ();
yuuji@0	715 else pgm = pg = mail_newsortpgm ();
yuuji@0	716 if (!strcmp (s,"REVERSE")) {
yuuji@0	717 pg->reverse = T;
yuuji@0	718 if (!(s = strtok (NIL," "))) {
yuuji@0	719 s = ""; /* end of attributes */
yuuji@0	720 break;
yuuji@0	721 }
yuuji@0	722 }
yuuji@0	723 if (!strcmp (s,"DATE")) pg->function = SORTDATE;
yuuji@0	724 else if (!strcmp (s,"ARRIVAL")) pg->function = SORTARRIVAL;
yuuji@0	725 else if (!strcmp (s,"FROM")) pg->function = SORTFROM;
yuuji@0	726 else if (!strcmp (s,"SUBJECT")) pg->function = SORTSUBJECT;
yuuji@0	727 else if (!strcmp (s,"TO")) pg->function = SORTTO;
yuuji@0	728 else if (!strcmp (s,"CC")) pg->function = SORTCC;
yuuji@0	729 else if (!strcmp (s,"SIZE")) pg->function = SORTSIZE;
yuuji@0	730 else break;
yuuji@0	731 } while (s = strtok (NIL," "));
yuuji@0	732 /* bad SORT attribute */
yuuji@0	733 if (s) response = badatt;
yuuji@0	734 /* get charset and search criteria */
yuuji@0	735 else if (!((t = snarf (&arg)) && (cs = cpystr (t)) && arg &&
yuuji@0	736 *arg)) response = misarg;
yuuji@0	737 /* parse search criteria */
yuuji@0	738 else if (!parse_criteria (spg = mail_newsearchpgm (),&arg,nmsgs,
yuuji@0	739 uidmax (stream),0)) response = badatt;
yuuji@0	740 else if (arg && *arg) response = badarg;
yuuji@0	741 else if (slst = mail_sort (stream,cs,spg,pgm,uid ? SE_UID:NIL)) {
yuuji@0	742 PSOUT ("* SORT");
yuuji@0	743 for (sl = slst; *sl; sl++) {
yuuji@0	744 PBOUT (' ');
yuuji@0	745 pnum (*sl);
yuuji@0	746 }
yuuji@0	747 CRLF;
yuuji@0	748 fs_give ((void **) &slst);
yuuji@0	749 }
yuuji@0	750 }
yuuji@0	751 if (pgm) mail_free_sortpgm (&pgm);
yuuji@0	752 if (spg) mail_free_searchpgm (&spg);
yuuji@0	753 if (cs) fs_give ((void **) &cs);
yuuji@0	754 }
yuuji@0	755 }
yuuji@0	756
yuuji@0	757 /* thread mailbox */
yuuji@0	758 else if (!strcmp (cmd,"THREAD") \|\| !strcmp (cmd,"UID THREAD")) {
yuuji@0	759 THREADNODE *thr;
yuuji@0	760 SEARCHPGM *spg = NIL;
yuuji@0	761 char *cs = NIL;
yuuji@0	762 /* must have four arguments */
yuuji@0	763 if (!(arg && (s = strtok (arg," ")) && (cs = strtok (NIL," ")) &&
yuuji@0	764 (cs = cpystr (cs)) && (arg = strtok (NIL,"\015\012"))))
yuuji@0	765 response = misarg;
yuuji@0	766 else if (!parse_criteria (spg = mail_newsearchpgm (),&arg,nmsgs,
yuuji@0	767 uidmax (stream),0)) response = badatt;
yuuji@0	768 else if (arg && *arg) response = badarg;
yuuji@0	769 else {
yuuji@0	770 if (thr = mail_thread (stream,s,cs,spg,uid ? SE_UID : NIL)) {
yuuji@0	771 PSOUT ("* THREAD ");
yuuji@0	772 pthread (thr);
yuuji@0	773 mail_free_threadnode (&thr);
yuuji@0	774 }
yuuji@0	775 else PSOUT ("* THREAD");
yuuji@0	776 CRLF;
yuuji@0	777 }
yuuji@0	778 if (spg) mail_free_searchpgm (&spg);
yuuji@0	779 if (cs) fs_give ((void **) &cs);
yuuji@0	780 }
yuuji@0	781
yuuji@0	782 /* search mailbox */
yuuji@0	783 else if (!strcmp (cmd,"SEARCH") \|\| !strcmp (cmd,"UID SEARCH")) {
yuuji@0	784 int retval = NIL;
yuuji@0	785 char *charset = NIL;
yuuji@0	786 SEARCHPGM *pgm;
yuuji@0	787 response = misarg; /* assume failure */
yuuji@0	788 if (!arg) break; /* one or more arguments required */
yuuji@0	789 if (((arg[0] == 'R') \|\| (arg[0] == 'r')) &&
yuuji@0	790 ((arg[1] == 'E') \|\| (arg[1] == 'e')) &&
yuuji@0	791 ((arg[2] == 'T') \|\| (arg[2] == 't')) &&
yuuji@0	792 ((arg[3] == 'U') \|\| (arg[3] == 'u')) &&
yuuji@0	793 ((arg[4] == 'R') \|\| (arg[4] == 'r')) &&
yuuji@0	794 ((arg[5] == 'N') \|\| (arg[5] == 'n')) &&
yuuji@0	795 (arg[6] == ' ') && (arg[7] == '(')) {
yuuji@0	796 retval = 0x4000; /* return is specified */
yuuji@0	797 for (arg += 8; arg && (arg != ')'); ) {
yuuji@0	798 if (((arg[0] == 'M') \|\| (arg[0] == 'm')) &&
yuuji@0	799 ((arg[1] == 'I') \|\| (arg[1] == 'i')) &&
yuuji@0	800 ((arg[2] == 'N') \|\| (arg[2] == 'n')) &&
yuuji@0	801 ((arg[3] == ' ') \|\| (arg[3] == ')'))) {
yuuji@0	802 retval \|= 0x1;
yuuji@0	803 arg += 3;
yuuji@0	804 }
yuuji@0	805 else if (((arg[0] == 'M') \|\| (arg[0] == 'm')) &&
yuuji@0	806 ((arg[1] == 'A') \|\| (arg[1] == 'a')) &&
yuuji@0	807 ((arg[2] == 'X') \|\| (arg[2] == 'x')) &&
yuuji@0	808 ((arg[3] == ' ') \|\| (arg[3] == ')'))) {
yuuji@0	809 retval \|= 0x2;
yuuji@0	810 arg += 3;
yuuji@0	811 }
yuuji@0	812 else if (((arg[0] == 'A') \|\| (arg[0] == 'a')) &&
yuuji@0	813 ((arg[1] == 'L') \|\| (arg[1] == 'l')) &&
yuuji@0	814 ((arg[2] == 'L') \|\| (arg[2] == 'l')) &&
yuuji@0	815 ((arg[3] == ' ') \|\| (arg[3] == ')'))) {
yuuji@0	816 retval \|= 0x4;
yuuji@0	817 arg += 3;
yuuji@0	818 }
yuuji@0	819 else if (((arg[0] == 'C') \|\| (arg[0] == 'c')) &&
yuuji@0	820 ((arg[1] == 'O') \|\| (arg[1] == 'o')) &&
yuuji@0	821 ((arg[2] == 'U') \|\| (arg[2] == 'u')) &&
yuuji@0	822 ((arg[3] == 'N') \|\| (arg[3] == 'n')) &&
yuuji@0	823 ((arg[4] == 'T') \|\| (arg[4] == 't')) &&
yuuji@0	824 ((arg[5] == ' ') \|\| (arg[5] == ')'))) {
yuuji@0	825 retval \|= 0x10;
yuuji@0	826 arg += 5;
yuuji@0	827 }
yuuji@0	828 else break; /* unknown return value */
yuuji@0	829 /* more return values to come */
yuuji@0	830 if ((*arg == ' ') && (arg[1] != ')')) ++arg;
yuuji@0	831 }
yuuji@0	832 /* RETURN list must be properly terminated */
yuuji@0	833 if ((arg++ != ')') \|\| (arg++ != ' ')) break;
yuuji@0	834 /* default return value is ALL */
yuuji@0	835 if (!(retval &= 0x3fff)) retval = 0x4;
yuuji@0	836 }
yuuji@0	837
yuuji@0	838 /* character set specified? */
yuuji@0	839 if (((arg[0] == 'C') \|\| (arg[0] == 'c')) &&
yuuji@0	840 ((arg[1] == 'H') \|\| (arg[1] == 'h')) &&
yuuji@0	841 ((arg[2] == 'A') \|\| (arg[2] == 'a')) &&
yuuji@0	842 ((arg[3] == 'R') \|\| (arg[3] == 'r')) &&
yuuji@0	843 ((arg[4] == 'S') \|\| (arg[4] == 's')) &&
yuuji@0	844 ((arg[5] == 'E') \|\| (arg[5] == 'e')) &&
yuuji@0	845 ((arg[6] == 'T') \|\| (arg[6] == 't')) &&
yuuji@0	846 (arg[7] == ' ')) {
yuuji@0	847 arg += 8; /* yes, skip over CHARSET token */
yuuji@0	848 if (s = snarf (&arg)) charset = cpystr (s);
yuuji@0	849 else break; /* missing character set */
yuuji@0	850 }
yuuji@0	851 /* must have arguments here */
yuuji@0	852 if (!(arg && *arg)) break;
yuuji@0	853 if (parse_criteria (pgm = mail_newsearchpgm (),&arg,nmsgs,
yuuji@0	854 uidmax (stream),0) && !*arg) {
yuuji@0	855 response = win; /* looks good, try the search */
yuuji@0	856 mail_search_full (stream,charset,pgm,SE_FREE);
yuuji@0	857 /* output search results if success */
yuuji@0	858 if (response == win) {
yuuji@0	859 if (retval) { /* ESEARCH desired */
yuuji@0	860 PSOUT ("* ESEARCH (TAG ");
yuuji@0	861 pstring (tag);
yuuji@0	862 PBOUT (')');
yuuji@0	863 if (uid) PSOUT (" UID");
yuuji@0	864 /* wants MIN */
yuuji@0	865 if (retval & 0x1) {
yuuji@0	866 for (i = 1; (i <= nmsgs) && !mail_elt (stream,i)->searched;
yuuji@0	867 ++i);
yuuji@0	868 if (i <= nmsgs) {
yuuji@0	869 PSOUT (" MIN ");
yuuji@0	870 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	871 }
yuuji@0	872 }
yuuji@0	873 /* wants MAX */
yuuji@0	874 if (retval & 0x2) {
yuuji@0	875 for (i = nmsgs; i && !mail_elt (stream,i)->searched; --i);
yuuji@0	876 if (i) {
yuuji@0	877 PSOUT (" MAX ");
yuuji@0	878 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	879 }
yuuji@0	880 }
yuuji@0	881
yuuji@0	882 /* wants ALL */
yuuji@0	883 if (retval & 0x4) {
yuuji@0	884 unsigned long j;
yuuji@0	885 /* find first match */
yuuji@0	886 for (i = 1; (i <= nmsgs) && !mail_elt (stream,i)->searched;
yuuji@0	887 ++i);
yuuji@0	888 if (i <= nmsgs) {
yuuji@0	889 PSOUT (" ALL ");
yuuji@0	890 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	891 j = i; /* last message output */
yuuji@0	892 }
yuuji@0	893 while (++i <= nmsgs) {
yuuji@0	894 if (mail_elt (stream,i)->searched) {
yuuji@0	895 while ((++i <= nmsgs) && mail_elt (stream,i)->searched);
yuuji@0	896 /* previous message is end of range */
yuuji@0	897 if (j != --i) {
yuuji@0	898 PBOUT (':');
yuuji@0	899 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	900 }
yuuji@0	901 }
yuuji@0	902 /* search for next match */
yuuji@0	903 while ((++i <= nmsgs) && !mail_elt (stream,i)->searched);
yuuji@0	904 if (i <= nmsgs) {
yuuji@0	905 PBOUT (',');
yuuji@0	906 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	907 j = i; /* last message output */
yuuji@0	908 }
yuuji@0	909 }
yuuji@0	910 }
yuuji@0	911 /* wants COUNT */
yuuji@0	912 if (retval & 0x10) {
yuuji@0	913 unsigned long j;
yuuji@0	914 for (i = 1, j = 0; i <= nmsgs; ++i)
yuuji@0	915 if (mail_elt (stream,i)->searched) ++j;
yuuji@0	916 PSOUT (" COUNT ");
yuuji@0	917 pnum (j);
yuuji@0	918 }
yuuji@0	919 }
yuuji@0	920 else { /* standard search */
yuuji@0	921 PSOUT ("* SEARCH");
yuuji@0	922 for (i = 1; i <= nmsgs; ++i)
yuuji@0	923 if (mail_elt (stream,i)->searched) {
yuuji@0	924 PBOUT (' ');
yuuji@0	925 pnum (uid ? mail_uid (stream,i) : i);
yuuji@0	926 }
yuuji@0	927 }
yuuji@0	928 CRLF;
yuuji@0	929 }
yuuji@0	930 }
yuuji@0	931 else mail_free_searchpgm (&pgm);
yuuji@0	932 if (charset) fs_give ((void **) &charset);
yuuji@0	933 }
yuuji@0	934
yuuji@0	935 else /* fall into select case */
yuuji@0	936 case SELECT: /* valid whenever logged in */
yuuji@0	937 /* select new mailbox */
yuuji@0	938 if (!(strcmp (cmd,"SELECT") && strcmp (cmd,"EXAMINE") &&
yuuji@0	939 strcmp (cmd,"BBOARD"))) {
yuuji@0	940 /* single argument */
yuuji@0	941 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	942 else if (arg) response = badarg;
yuuji@0	943 else if (nameok (NIL,s = bboardname (cmd,s))) {
yuuji@0	944 DRIVER *factory = mail_valid (NIL,s,NIL);
yuuji@0	945 f = (anonymous ? OP_ANONYMOUS + OP_READONLY : NIL) \|
yuuji@0	946 ((*cmd == 'S') ? NIL : OP_READONLY);
yuuji@0	947 curdriver = NIL; /* no drivers known */
yuuji@0	948 /* no last uid */
yuuji@0	949 uidvalidity = lastuid = 0;
yuuji@0	950 if (lastid) fs_give ((void **) &lastid);
yuuji@0	951 if (lastst.data) fs_give ((void **) &lastst.data);
yuuji@0	952 nflags = 0; /* force update */
yuuji@0	953 nmsgs = recent = 0xffffffff;
yuuji@0	954 if (factory && !strcmp (factory->name,"phile") &&
yuuji@0	955 (stream = mail_open (stream,s,f \| OP_SILENT)) &&
yuuji@0	956 (response == win)) {
yuuji@0	957 BODY *b;
yuuji@0	958 /* see if proxy open */
yuuji@0	959 if ((mail_elt (stream,1)->rfc822_size < 400) &&
yuuji@0	960 mail_fetchstructure (stream,1,&b) && (b->type == TYPETEXT) &&
yuuji@0	961 (t = mail_fetch_text (stream,1,NIL,&i,NIL)) &&
yuuji@0	962 (i < MAILTMPLEN) && (t[0] == '{')) {
yuuji@0	963 /* copy and tie off */
yuuji@0	964 strncpy (tmp,t,i)[i] = '\0';
yuuji@0	965 /* nuke any trailing newline */
yuuji@0	966 if (t = strpbrk (tmp,"\r\n")) *t = '\0';
yuuji@0	967 /* try to open proxy */
yuuji@0	968 if ((tstream = mail_open (NIL,tmp,f \| OP_SILENT)) &&
yuuji@0	969 (response == win) && tstream->nmsgs) {
yuuji@0	970 s = tmp; /* got it, close the link */
yuuji@0	971 mail_close (stream);
yuuji@0	972 stream = tstream;
yuuji@0	973 tstream = NIL;
yuuji@0	974 }
yuuji@0	975 }
yuuji@0	976 /* now give the exists event */
yuuji@0	977 stream->silent = NIL;
yuuji@0	978 mm_exists (stream,stream->nmsgs);
yuuji@0	979 }
yuuji@0	980 else if (!factory && isnewsproxy (s)) {
yuuji@0	981 sprintf (tmp,"{%.300s/nntp}%.300s",nntpproxy,(char *) s+6);
yuuji@0	982 stream = mail_open (stream,tmp,f);
yuuji@0	983 }
yuuji@0	984 /* open stream normally then */
yuuji@0	985 else stream = mail_open (stream,s,f);
yuuji@0	986
yuuji@0	987 if (stream && (response == win)) {
yuuji@0	988 state = OPEN; /* note state open */
yuuji@0	989 if (lastsel) fs_give ((void **) &lastsel);
yuuji@0	990 /* canonicalize INBOX */
yuuji@0	991 if (!compare_cstring (s,"#MHINBOX"))
yuuji@0	992 lastsel = cpystr ("#MHINBOX");
yuuji@0	993 else lastsel = cpystr (compare_cstring (s,"INBOX") ?
yuuji@0	994 (char *) s : "INBOX");
yuuji@0	995 /* note readonly/readwrite */
yuuji@0	996 response = stream->rdonly ? rowin : rwwin;
yuuji@0	997 if (anonymous)
yuuji@0	998 syslog (LOG_INFO,"Anonymous select of %.80s host=%.80s",
yuuji@0	999 stream->mailbox,tcp_clienthost ());
yuuji@0	1000 lastcheck = 0; /* no last check */
yuuji@0	1001 }
yuuji@0	1002 else { /* failed, nuke old selection */
yuuji@0	1003 if (stream) stream = mail_close (stream);
yuuji@0	1004 state = SELECT; /* no mailbox open now */
yuuji@0	1005 if (lastsel) fs_give ((void **) &lastsel);
yuuji@0	1006 response = lose; /* open failed */
yuuji@0	1007 }
yuuji@0	1008 }
yuuji@0	1009 }
yuuji@0	1010
yuuji@0	1011 /* APPEND message to mailbox */
yuuji@0	1012 else if (!(anonymous \|\| strcmp (cmd,"APPEND"))) {
yuuji@0	1013 /* parse mailbox name */
yuuji@0	1014 if ((s = snarf (&arg)) && arg) {
yuuji@0	1015 STRING st; /* message stringstruct */
yuuji@0	1016 APPENDDATA ad;
yuuji@0	1017 ad.arg = arg; /* command arguments */
yuuji@0	1018 /* no message yet */
yuuji@0	1019 ad.flags = ad.date = ad.msg = NIL;
yuuji@0	1020 ad.message = &st; /* pointer to stringstruct to use */
yuuji@0	1021 trycreate = NIL; /* no trycreate status */
yuuji@0	1022 if (!mail_append_multiple (NIL,s,append_msg,(void *) &ad)) {
yuuji@0	1023 if (response == win) response = trycreate ? losetry : lose;
yuuji@0	1024 /* this can happen with #driver. hack */
yuuji@0	1025 if (!lsterr) lsterr = cpystr ("No such destination mailbox");
yuuji@0	1026 }
yuuji@0	1027 /* clean up any message text left behind */
yuuji@0	1028 if (ad.flags) fs_give ((void **) &ad.flags);
yuuji@0	1029 if (ad.date) fs_give ((void **) &ad.date);
yuuji@0	1030 if (ad.msg) fs_give ((void **) &ad.msg);
yuuji@0	1031 }
yuuji@0	1032 else response = misarg;
yuuji@0	1033 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1034 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1035 }
yuuji@0	1036 /* list mailboxes */
yuuji@0	1037 else if (!strcmp (cmd,"LIST") \|\| !strcmp (cmd,"RLIST")) {
yuuji@0	1038 /* get reference and mailbox argument */
yuuji@0	1039 if (!((s = snarf (&arg)) && (t = snarf_list (&arg))))
yuuji@0	1040 response = misarg;
yuuji@0	1041 else if (arg) response = badarg;
yuuji@0	1042 /* make sure anonymous can't do bad things */
yuuji@0	1043 else if (nameok (s,t)) {
yuuji@0	1044 if (newsproxypattern (s,t,tmp,LONGT)) {
yuuji@0	1045 proxylist = T;
yuuji@0	1046 mail_list (NIL,"",tmp);
yuuji@0	1047 proxylist = NIL;
yuuji@0	1048 }
yuuji@0	1049 else mail_list (NIL,s,t);
yuuji@0	1050 }
yuuji@0	1051 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1052 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1053 }
yuuji@0	1054 /* scan mailboxes */
yuuji@0	1055 else if (!strcmp (cmd,"SCAN")) {
yuuji@0	1056 /* get arguments */
yuuji@0	1057 if (!((s = snarf (&arg)) && (t = snarf_list (&arg)) &&
yuuji@0	1058 (u = snarf (&arg)))) response = misarg;
yuuji@0	1059 else if (arg) response = badarg;
yuuji@0	1060 /* make sure anonymous can't do bad things */
yuuji@0	1061 else if (nameok (s,t)) {
yuuji@0	1062 if (newsproxypattern (s,t,tmp,NIL))
yuuji@0	1063 mm_log ("SCAN not permitted for news",ERROR);
yuuji@0	1064 else mail_scan (NIL,s,t,u);
yuuji@0	1065 }
yuuji@0	1066 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1067 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1068 }
yuuji@0	1069 /* list subscribed mailboxes */
yuuji@0	1070 else if (!strcmp (cmd,"LSUB") \|\| !strcmp (cmd,"RLSUB")) {
yuuji@0	1071 /* get reference and mailbox argument */
yuuji@0	1072 if (!((s = snarf (&arg)) && (t = snarf_list (&arg))))
yuuji@0	1073 response = misarg;
yuuji@0	1074 else if (arg) response = badarg;
yuuji@0	1075 /* make sure anonymous can't do bad things */
yuuji@0	1076 else if (nameok (s,t)) {
yuuji@0	1077 if (newsproxypattern (s,t,tmp,NIL)) newsrc_lsub (NIL,tmp);
yuuji@0	1078 else mail_lsub (NIL,s,t);
yuuji@0	1079 }
yuuji@0	1080 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1081 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1082 }
yuuji@0	1083
yuuji@0	1084 /* find mailboxes */
yuuji@0	1085 else if (!strcmp (cmd,"FIND")) {
yuuji@0	1086 /* get subcommand and true argument */
yuuji@0	1087 if (!(arg && (s = strtok (arg," \015\012")) && (s == cmd + 5) &&
yuuji@0	1088 (cmd[4] = ' ') && ucase (s) &&
yuuji@0	1089 (arg = strtok (NIL,"\015\012")) && (s = snarf_list (&arg))))
yuuji@0	1090 response = misarg; /* missing required argument */
yuuji@0	1091 else if (arg) response = badarg;
yuuji@0	1092 /* punt on single-char wildcards */
yuuji@0	1093 else if (strpbrk (s,"%?")) response =
yuuji@0	1094 "%.80s NO IMAP2 ? and %% wildcards not supported: %.80s\015\012";
yuuji@0	1095 else if (nameok (NIL,s)) {
yuuji@0	1096 finding = T; /* note that we are FINDing */
yuuji@0	1097 /* dispatch based on type */
yuuji@0	1098 if (!strcmp (cmd,"FIND MAILBOXES") && !anonymous)
yuuji@0	1099 mail_lsub (NIL,NIL,s);
yuuji@0	1100 else if (!strcmp (cmd,"FIND ALL.MAILBOXES")) {
yuuji@0	1101 /* convert * to % for compatible behavior */
yuuji@0	1102 for (t = s; t; t++) if (t == '') t = '%';
yuuji@0	1103 mail_list (NIL,NIL,s);
yuuji@0	1104 }
yuuji@0	1105 else response = badcmd;
yuuji@0	1106 }
yuuji@0	1107 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1108 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1109 }
yuuji@0	1110
yuuji@0	1111 /* status of mailbox */
yuuji@0	1112 else if (!strcmp (cmd,"STATUS")) {
yuuji@0	1113 if (!((s = snarf (&arg)) && arg && (*arg++ == '(') &&
yuuji@0	1114 (t = strchr (arg,')')) && (t - arg) && !t[1]))
yuuji@0	1115 response = misarg;
yuuji@0	1116 else {
yuuji@0	1117 f = NIL; /* initially no flags */
yuuji@0	1118 t = '\0'; / tie off flag string */
yuuji@0	1119 /* read flags */
yuuji@0	1120 t = strtok (ucase (arg)," ");
yuuji@0	1121 do { /* parse each one; unknown generate warning */
yuuji@0	1122 if (!strcmp (t,"MESSAGES")) f \|= SA_MESSAGES;
yuuji@0	1123 else if (!strcmp (t,"RECENT")) f \|= SA_RECENT;
yuuji@0	1124 else if (!strcmp (t,"UNSEEN")) f \|= SA_UNSEEN;
yuuji@0	1125 else if (!strcmp (t,"UIDNEXT")) f \|= SA_UIDNEXT;
yuuji@0	1126 else if (!strcmp (t,"UIDVALIDITY")) f \|= SA_UIDVALIDITY;
yuuji@0	1127 else {
yuuji@0	1128 PSOUT ("* NO Unknown status flag ");
yuuji@0	1129 PSOUT (t);
yuuji@0	1130 CRLF;
yuuji@0	1131 }
yuuji@0	1132 } while (t = strtok (NIL," "));
yuuji@0	1133 ping_mailbox (uid); /* in case the fool did STATUS on open mbx */
yuuji@0	1134 PFLUSH (); /* make sure stdout is dumped in case slave */
yuuji@0	1135 if (!compare_cstring (s,"INBOX")) s = "INBOX";
yuuji@0	1136 else if (!compare_cstring (s,"#MHINBOX")) s = "#MHINBOX";
yuuji@0	1137 if (state == LOGOUT) response = lose;
yuuji@0	1138 /* get mailbox status */
yuuji@0	1139 else if (lastsel && (!strcmp (s,lastsel) \|\|
yuuji@0	1140 (stream && !strcmp (s,stream->mailbox)))) {
yuuji@0	1141 unsigned long unseen;
yuuji@0	1142 /* snarl at cretins which do this */
yuuji@0	1143 PSOUT ("* NO CLIENT BUG DETECTED: STATUS on selected mailbox: ");
yuuji@0	1144 PSOUT (s);
yuuji@0	1145 CRLF;
yuuji@0	1146 tmp[0] = ' '; tmp[1] = '\0';
yuuji@0	1147 if (f & SA_MESSAGES)
yuuji@0	1148 sprintf (tmp + strlen (tmp)," MESSAGES %lu",stream->nmsgs);
yuuji@0	1149 if (f & SA_RECENT)
yuuji@0	1150 sprintf (tmp + strlen (tmp)," RECENT %lu",stream->recent);
yuuji@0	1151 if (f & SA_UNSEEN) {
yuuji@0	1152 for (i = 1,unseen = 0; i <= stream->nmsgs; i++)
yuuji@0	1153 if (!mail_elt (stream,i)->seen) unseen++;
yuuji@0	1154 sprintf (tmp + strlen (tmp)," UNSEEN %lu",unseen);
yuuji@0	1155 }
yuuji@0	1156 if (f & SA_UIDNEXT)
yuuji@0	1157 sprintf (tmp + strlen (tmp)," UIDNEXT %lu",stream->uid_last+1);
yuuji@0	1158 if (f & SA_UIDVALIDITY)
yuuji@0	1159 sprintf (tmp + strlen(tmp)," UIDVALIDITY %lu",
yuuji@0	1160 stream->uid_validity);
yuuji@0	1161 tmp[1] = '(';
yuuji@0	1162 strcat (tmp,")\015\012");
yuuji@0	1163 PSOUT ("* STATUS ");
yuuji@0	1164 pastring (s);
yuuji@0	1165 PSOUT (tmp);
yuuji@0	1166 }
yuuji@0	1167 else if (isnewsproxy (s)) {
yuuji@0	1168 sprintf (tmp,"{%.300s/nntp}%.300s",nntpproxy,(char *) s+6);
yuuji@0	1169 if (!mail_status (NIL,tmp,f)) response = lose;
yuuji@0	1170 }
yuuji@0	1171 else if (!mail_status (NIL,s,f)) response = lose;
yuuji@0	1172 }
yuuji@0	1173 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1174 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1175 }
yuuji@0	1176
yuuji@0	1177 /* subscribe to mailbox */
yuuji@0	1178 else if (!(anonymous \|\| strcmp (cmd,"SUBSCRIBE"))) {
yuuji@0	1179 /* get <mailbox> or MAILBOX <mailbox> */
yuuji@0	1180 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1181 else if (arg) { /* IMAP2bis form */
yuuji@0	1182 if (compare_cstring (s,"MAILBOX")) response = badarg;
yuuji@0	1183 else if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1184 else if (arg) response = badarg;
yuuji@0	1185 else mail_subscribe (NIL,s);
yuuji@0	1186 }
yuuji@0	1187 else if (isnewsproxy (s)) newsrc_update (NIL,s+6,':');
yuuji@0	1188 else mail_subscribe (NIL,s);
yuuji@0	1189 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1190 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1191 }
yuuji@0	1192 /* unsubscribe to mailbox */
yuuji@0	1193 else if (!(anonymous \|\| strcmp (cmd,"UNSUBSCRIBE"))) {
yuuji@0	1194 /* get <mailbox> or MAILBOX <mailbox> */
yuuji@0	1195 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1196 else if (arg) { /* IMAP2bis form */
yuuji@0	1197 if (compare_cstring (s,"MAILBOX")) response = badarg;
yuuji@0	1198 else if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1199 else if (arg) response = badarg;
yuuji@0	1200 else if (isnewsproxy (s)) newsrc_update (NIL,s+6,'!');
yuuji@0	1201 else mail_unsubscribe (NIL,s);
yuuji@0	1202 }
yuuji@0	1203 else mail_unsubscribe (NIL,s);
yuuji@0	1204 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1205 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1206 }
yuuji@0	1207
yuuji@0	1208 else if (!strcmp (cmd,"NAMESPACE")) {
yuuji@0	1209 if (arg) response = badarg;
yuuji@0	1210 else {
yuuji@0	1211 NAMESPACE ns = (NAMESPACE ) mail_parameters(NIL,GET_NAMESPACE,
yuuji@0	1212 NIL);
yuuji@0	1213 NAMESPACE *n;
yuuji@0	1214 PARAMETER *p;
yuuji@0	1215 PSOUT ("* NAMESPACE");
yuuji@0	1216 if (ns) for (i = 0; i < 3; i++) {
yuuji@0	1217 if (n = ns[i]) {
yuuji@0	1218 PSOUT (" (");
yuuji@0	1219 do {
yuuji@0	1220 PBOUT ('(');
yuuji@0	1221 pstring (n->name);
yuuji@0	1222 switch (n->delimiter) {
yuuji@0	1223 case '\\': /* quoted delimiter */
yuuji@0	1224 case '"':
yuuji@0	1225 PSOUT (" \"\\\\\"");
yuuji@0	1226 break;
yuuji@0	1227 case '\0': /* no delimiter */
yuuji@0	1228 PSOUT (" NIL");
yuuji@0	1229 break;
yuuji@0	1230 default: /* unquoted delimiter */
yuuji@0	1231 PSOUT (" \"");
yuuji@0	1232 PBOUT (n->delimiter);
yuuji@0	1233 PBOUT ('"');
yuuji@0	1234 break;
yuuji@0	1235 }
yuuji@0	1236 /* NAMESPACE extensions are hairy */
yuuji@0	1237 if (p = n->param) do {
yuuji@0	1238 PBOUT (' ');
yuuji@0	1239 pstring (p->attribute);
yuuji@0	1240 PSOUT (" (");
yuuji@0	1241 do pstring (p->value);
yuuji@0	1242 while (p->next && !p->next->attribute && (p = p->next));
yuuji@0	1243 PBOUT (')');
yuuji@0	1244 } while (p = p->next);
yuuji@0	1245 PBOUT (')');
yuuji@0	1246 } while (n = n->next);
yuuji@0	1247 PBOUT (')');
yuuji@0	1248 }
yuuji@0	1249 else PSOUT (" NIL");
yuuji@0	1250 }
yuuji@0	1251 else PSOUT (" NIL NIL NIL");
yuuji@0	1252 CRLF;
yuuji@0	1253 }
yuuji@0	1254 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1255 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1256 }
yuuji@0	1257
yuuji@0	1258 /* create mailbox */
yuuji@0	1259 else if (!(anonymous \|\| strcmp (cmd,"CREATE"))) {
yuuji@0	1260 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1261 else if (arg) response = badarg;
yuuji@0	1262 else mail_create (NIL,s);
yuuji@0	1263 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1264 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1265 }
yuuji@0	1266 /* delete mailbox */
yuuji@0	1267 else if (!(anonymous \|\| strcmp (cmd,"DELETE"))) {
yuuji@0	1268 if (!(s = snarf (&arg))) response = misarg;
yuuji@0	1269 else if (arg) response = badarg;
yuuji@0	1270 else { /* make sure not selected */
yuuji@0	1271 if (lastsel && (!strcmp (s,lastsel) \|\|
yuuji@0	1272 (stream && !strcmp (s,stream->mailbox))))
yuuji@0	1273 mm_log ("Can not DELETE the selected mailbox",ERROR);
yuuji@0	1274 else mail_delete (NIL,s);
yuuji@0	1275 }
yuuji@0	1276 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1277 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1278 }
yuuji@0	1279 /* rename mailbox */
yuuji@0	1280 else if (!(anonymous \|\| strcmp (cmd,"RENAME"))) {
yuuji@0	1281 if (!((s = snarf (&arg)) && (t = snarf (&arg)))) response = misarg;
yuuji@0	1282 else if (arg) response = badarg;
yuuji@0	1283 else { /* make sure not selected */
yuuji@0	1284 if (!compare_cstring (s,"INBOX")) s = "INBOX";
yuuji@0	1285 else if (!compare_cstring (s,"#MHINBOX")) s = "#MHINBOX";
yuuji@0	1286 if (lastsel && (!strcmp (s,lastsel) \|\|
yuuji@0	1287 (stream && !strcmp (s,stream->mailbox))))
yuuji@0	1288 mm_log ("Can not RENAME the selected mailbox",ERROR);
yuuji@0	1289 else mail_rename (NIL,s,t);
yuuji@0	1290 }
yuuji@0	1291 if (stream) /* allow untagged EXPUNGE */
yuuji@0	1292 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,(void *) stream);
yuuji@0	1293 }
yuuji@0	1294
yuuji@0	1295 /* idle mode */
yuuji@0	1296 else if (!strcmp (cmd,"IDLE")) {
yuuji@0	1297 /* no arguments */
yuuji@0	1298 if (arg) response = badarg;
yuuji@0	1299 else { /* tell client ready for argument */
yuuji@0	1300 unsigned long donefake = 0;
yuuji@0	1301 PSOUT ("+ Waiting for DONE\015\012");
yuuji@0	1302 PFLUSH (); /* dump output buffer */
yuuji@0	1303 /* inactivity countdown */
yuuji@0	1304 i = ((TIMEOUT) / (IDLETIMER)) + 1;
yuuji@0	1305 do { /* main idle loop */
yuuji@0	1306 if (!donefake) { /* don't ping mailbox if faking */
yuuji@0	1307 mail_parameters (stream,SET_ONETIMEEXPUNGEATPING,
yuuji@0	1308 (void *) stream);
yuuji@0	1309 ping_mailbox (uid);
yuuji@0	1310 /* maybe do a checkpoint if not anonymous */
yuuji@0	1311 if (!anonymous && stream && (time (0) > lastcheck + CHECKTIMER)) {
yuuji@0	1312 mail_check (stream);
yuuji@0	1313 /* cancel likely altwin from mail_check() */
yuuji@0	1314 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	1315 if (lstwrn) fs_give ((void **) &lstwrn);
yuuji@0	1316 /* remember last checkpoint */
yuuji@0	1317 lastcheck = time (0);
yuuji@0	1318 }
yuuji@0	1319 }
yuuji@0	1320 if (lstwrn) { /* have a warning? */
yuuji@0	1321 PSOUT ("* NO ");
yuuji@0	1322 PSOUT (lstwrn);
yuuji@0	1323 CRLF;
yuuji@0	1324 fs_give ((void **) &lstwrn);
yuuji@0	1325 }
yuuji@0	1326 if (!(i % 2)) { /* prevent NAT timeouts */
yuuji@0	1327 sprintf (tmp,"* OK Timeout in %lu minutes\015\012",
yuuji@0	1328 (i * IDLETIMER) / 60);
yuuji@0	1329 PSOUT (tmp);
yuuji@0	1330 }
yuuji@0	1331 /* two minutes before the end... */
yuuji@0	1332 if ((state == OPEN) && (i <= 2)) {
yuuji@0	1333 sprintf (tmp,"* %lu EXISTS\015\012* %lu RECENT\015\012",
yuuji@0	1334 donefake = nmsgs + 1,recent + 1);
yuuji@0	1335 PSOUT (tmp); /* prod client to wake up */
yuuji@0	1336 }
yuuji@0	1337 PFLUSH (); /* dump output buffer */
yuuji@0	1338 } while ((state != LOGOUT) && !INWAIT (IDLETIMER) && --i);
yuuji@0	1339
yuuji@0	1340 /* time to exit idle loop */
yuuji@0	1341 if (state != LOGOUT) {
yuuji@0	1342 if (i) { /* still have time left? */
yuuji@0	1343 /* yes, read expected DONE */
yuuji@0	1344 slurp (tmp,MAILTMPLEN,INPUTTIMEOUT);
yuuji@0	1345 if (((tmp[0] != 'D') && (tmp[0] != 'd')) \|\|
yuuji@0	1346 ((tmp[1] != 'O') && (tmp[1] != 'o')) \|\|
yuuji@0	1347 ((tmp[2] != 'N') && (tmp[2] != 'n')) \|\|
yuuji@0	1348 ((tmp[3] != 'E') && (tmp[3] != 'e')) \|\|
yuuji@0	1349 (((tmp[4] != '\015') \|\| (tmp[5] != '\012')) &&
yuuji@0	1350 (tmp[4] != '\012')))
yuuji@0	1351 response = "%.80s BAD Bogus IDLE continuation\015\012";
yuuji@0	1352 if (donefake) { /* if faking at the end */
yuuji@0	1353 /* send EXPUNGE (should be just 1) */
yuuji@0	1354 while (donefake > nmsgs) {
yuuji@0	1355 sprintf (tmp,"* %lu EXPUNGE\015\012",donefake--);
yuuji@0	1356 PSOUT (tmp);
yuuji@0	1357 }
yuuji@0	1358 sprintf (tmp,"* %lu EXISTS\015\012* %lu RECENT\015\012",
yuuji@0	1359 nmsgs,recent);
yuuji@0	1360 PSOUT (tmp);
yuuji@0	1361 }
yuuji@0	1362 }
yuuji@0	1363 else clkint (); /* otherwise do autologout action */
yuuji@0	1364 }
yuuji@0	1365 }
yuuji@0	1366 }
yuuji@0	1367 else response = badcmd;
yuuji@0	1368 break;
yuuji@0	1369 default:
yuuji@0	1370 response = "%.80s BAD Unknown state for %.80s command\015\012";
yuuji@0	1371 break;
yuuji@0	1372 }
yuuji@0	1373
yuuji@0	1374 while (litplus.ok) { /* any unread LITERAL+? */
yuuji@0	1375 litplus.ok = NIL; /* yes, cancel it now */
yuuji@0	1376 clearerr (stdin); /* clear stdin errors */
yuuji@0	1377 status = "discarding unread literal";
yuuji@0	1378 /* read literal and discard it */
yuuji@0	1379 while (i = (litplus.size > MAILTMPLEN) ? MAILTMPLEN : litplus.size) {
yuuji@0	1380 if (state == LOGOUT) litplus.size = 0;
yuuji@0	1381 else {
yuuji@0	1382 settimeout (INPUTTIMEOUT);
yuuji@0	1383 if (PSINR (tmp,i)) litplus.size -= i;
yuuji@0	1384 else {
yuuji@0	1385 ioerror (stdin,status);
yuuji@0	1386 litplus.size = 0; /* in case it continues */
yuuji@0	1387 }
yuuji@0	1388 }
yuuji@0	1389 }
yuuji@0	1390 settimeout (0); /* stop timeout */
yuuji@0	1391 /* get new command tail */
yuuji@0	1392 slurp (tmp,MAILTMPLEN,INPUTTIMEOUT);
yuuji@0	1393 /* locate end of line */
yuuji@0	1394 if (t = strchr (tmp,'\012')) {
yuuji@0	1395 /* back over CR */
yuuji@0	1396 if ((t > tmp) && (t[-1] == '\015')) --t;
yuuji@0	1397 t = NIL; / tie off CRLF */
yuuji@0	1398 /* possible LITERAL+? */
yuuji@0	1399 if (((i = strlen (tmp)) > 3) && (tmp[i - 1] == '}') &&
yuuji@0	1400 (tmp[i - 2] == '+') && isdigit (tmp[i - 3])) {
yuuji@0	1401 /* back over possible count */
yuuji@0	1402 for (i -= 4; i && isdigit (tmp[i]); i--);
yuuji@0	1403 if (tmp[i] == '{') { /* found a literal? */
yuuji@0	1404 litplus.ok = T; /* yes, note LITERAL+ in effect, set size */
yuuji@0	1405 litplus.size = strtoul (tmp + i + 1,NIL,10);
yuuji@0	1406 }
yuuji@0	1407 }
yuuji@0	1408 }
yuuji@0	1409 else flush (); /* overlong line after LITERAL+, punt */
yuuji@0	1410 }
yuuji@0	1411 ping_mailbox (uid); /* update mailbox status before response */
yuuji@0	1412 if (lstwrn && lsterr) { /* output most recent warning */
yuuji@0	1413 PSOUT ("* NO ");
yuuji@0	1414 PSOUT (lstwrn);
yuuji@0	1415 CRLF;
yuuji@0	1416 fs_give ((void **) &lstwrn);
yuuji@0	1417 }
yuuji@0	1418
yuuji@0	1419 if (response == logwin) { /* authentication win message */
yuuji@0	1420 sprintf (tmp,response,lstref ? "*" : tag);
yuuji@0	1421 PSOUT (tmp); /* start response */
yuuji@0	1422 pcapability (1); /* print logged-in capabilities */
yuuji@0	1423 PSOUT ("] User ");
yuuji@0	1424 PSOUT (user);
yuuji@0	1425 PSOUT (" authenticated\015\012");
yuuji@0	1426 if (lstref) {
yuuji@0	1427 sprintf (tmp,response,tag);
yuuji@0	1428 PSOUT (tmp); /* start response */
yuuji@0	1429 PSOUT ("[REFERRAL ");
yuuji@0	1430 PSOUT (lstref);
yuuji@0	1431 PSOUT ("] ");
yuuji@0	1432 PSOUT (lasterror ());
yuuji@0	1433 CRLF;
yuuji@0	1434 }
yuuji@0	1435 }
yuuji@0	1436 else if ((response == win) \|\| (response == lose)) {
yuuji@0	1437 sprintf (tmp,response,tag);
yuuji@0	1438 PSOUT (tmp);
yuuji@0	1439 if (cauidvalidity) { /* COPYUID/APPENDUID response? */
yuuji@0	1440 sprintf (tmp,"[%.80sUID %lu ",(char *)
yuuji@0	1441 ((s = strchr (cmd,' ')) ? s+1 : cmd),cauidvalidity);
yuuji@0	1442 PSOUT (tmp);
yuuji@0	1443 cauidvalidity = 0; /* cancel response for future */
yuuji@0	1444 if (csset) {
yuuji@0	1445 pset (&csset);
yuuji@0	1446 PBOUT (' ');
yuuji@0	1447 }
yuuji@0	1448 pset (&caset);
yuuji@0	1449 PSOUT ("] ");
yuuji@0	1450 }
yuuji@0	1451 else if (lstref) { /* have a referral? */
yuuji@0	1452 PSOUT ("[REFERRAL ");
yuuji@0	1453 PSOUT (lstref);
yuuji@0	1454 PSOUT ("] ");
yuuji@0	1455 }
yuuji@0	1456 if (lsterr \|\| lstwrn) PSOUT (lasterror ());
yuuji@0	1457 else {
yuuji@0	1458 PSOUT (cmd);
yuuji@0	1459 PSOUT ((response == win) ? " completed" : "failed");
yuuji@0	1460 }
yuuji@0	1461 CRLF;
yuuji@0	1462 }
yuuji@0	1463 else { /* normal response */
yuuji@0	1464 if ((response == rowin) \|\| (response == rwwin)) {
yuuji@0	1465 if (lstwrn) { /* output most recent warning */
yuuji@0	1466 PSOUT ("* NO ");
yuuji@0	1467 PSOUT (lstwrn);
yuuji@0	1468 CRLF;
yuuji@0	1469 fs_give ((void **) &lstwrn);
yuuji@0	1470 }
yuuji@0	1471 }
yuuji@0	1472 sprintf (tmp,response,tag,cmd,lasterror ());
yuuji@0	1473 PSOUT (tmp); /* output response */
yuuji@0	1474 }
yuuji@0	1475 }
yuuji@0	1476 PFLUSH (); /* make sure output blatted */
yuuji@0	1477
yuuji@0	1478 if (autologouttime) { /* have an autologout in effect? */
yuuji@0	1479 /* cancel if no longer waiting for login */
yuuji@0	1480 if (state != LOGIN) autologouttime = 0;
yuuji@0	1481 /* took too long to login */
yuuji@0	1482 else if (autologouttime < time (0)) {
yuuji@0	1483 logout = goodbye = "Autologout";
yuuji@0	1484 stream = NIL;
yuuji@0	1485 state = LOGOUT; /* sayonara */
yuuji@0	1486 }
yuuji@0	1487 }
yuuji@0	1488 }
yuuji@0	1489 if (goodbye && !quell_events){/* have a goodbye message? */
yuuji@0	1490 PSOUT ("* BYE "); /* utter it */
yuuji@0	1491 PSOUT (goodbye);
yuuji@0	1492 CRLF;
yuuji@0	1493 PFLUSH (); /* make sure blatted */
yuuji@0	1494 }
yuuji@0	1495 syslog (LOG_INFO,"%s user=%.80s host=%.80s",logout,
yuuji@0	1496 user ? (char *) user : "???",tcp_clienthost ());
yuuji@0	1497 /* do logout hook if needed */
yuuji@0	1498 if (lgoh = (logouthook_t) mail_parameters (NIL,GET_LOGOUTHOOK,NIL))
yuuji@0	1499 (*lgoh) (mail_parameters (NIL,GET_LOGOUTDATA,NIL));
yuuji@0	1500 _exit (ret); /* all done */
yuuji@0	1501 return ret; /* stupid compilers */
yuuji@0	1502 }
yuuji@0	1503
yuuji@0	1504 /* Ping mailbox during each cycle. Also check alerts
yuuji@0	1505 * Accepts: last command was UID flag
yuuji@0	1506 */
yuuji@0	1507
yuuji@0	1508 void ping_mailbox (unsigned long uid)
yuuji@0	1509 {
yuuji@0	1510 unsigned long i;
yuuji@0	1511 char tmp[MAILTMPLEN];
yuuji@0	1512 if (state == OPEN) {
yuuji@0	1513 if (!mail_ping (stream)) { /* make sure stream still alive */
yuuji@0	1514 PSOUT ("* BYE ");
yuuji@0	1515 PSOUT (mylocalhost ());
yuuji@0	1516 PSOUT (" Fatal mailbox error: ");
yuuji@0	1517 PSOUT (lasterror ());
yuuji@0	1518 CRLF;
yuuji@0	1519 stream = NIL; /* don't try to clean up stream */
yuuji@0	1520 state = LOGOUT; /* go away */
yuuji@0	1521 syslog (LOG_INFO,
yuuji@0	1522 "Fatal mailbox error user=%.80s host=%.80s mbx=%.80s: %.80s",
yuuji@0	1523 user ? (char *) user : "???",tcp_clienthost (),
yuuji@0	1524 (stream && stream->mailbox) ? stream->mailbox : "???",
yuuji@0	1525 lasterror ());
yuuji@0	1526 return;
yuuji@0	1527 }
yuuji@0	1528 /* change in number of messages? */
yuuji@0	1529 if (existsquelled \|\| (nmsgs != stream->nmsgs)) {
yuuji@0	1530 PSOUT ("* ");
yuuji@0	1531 pnum (nmsgs = stream->nmsgs);
yuuji@0	1532 PSOUT (" EXISTS\015\012");
yuuji@0	1533 }
yuuji@0	1534 /* change in recent messages? */
yuuji@0	1535 if (existsquelled \|\| (recent != stream->recent)) {
yuuji@0	1536 PSOUT ("* ");
yuuji@0	1537 pnum (recent = stream->recent);
yuuji@0	1538 PSOUT (" RECENT\015\012");
yuuji@0	1539 }
yuuji@0	1540 existsquelled = NIL; /* don't do this until asked again */
yuuji@0	1541 if (stream->uid_validity && (stream->uid_validity != uidvalidity)) {
yuuji@0	1542 PSOUT ("* OK [UIDVALIDITY ");
yuuji@0	1543 pnum (stream->uid_validity);
yuuji@0	1544 PSOUT ("] UID validity status\015\012* OK [UIDNEXT ");
yuuji@0	1545 pnum (stream->uid_last + 1);
yuuji@0	1546 PSOUT ("] Predicted next UID\015\012");
yuuji@0	1547 if (stream->uid_nosticky) {
yuuji@0	1548 PSOUT ("* NO [UIDNOTSTICKY] Non-permanent unique identifiers: ");
yuuji@0	1549 PSOUT (stream->mailbox);
yuuji@0	1550 CRLF;
yuuji@0	1551 }
yuuji@0	1552 uidvalidity = stream->uid_validity;
yuuji@0	1553 }
yuuji@0	1554
yuuji@0	1555 /* don't bother if driver changed */
yuuji@0	1556 if (curdriver == stream->dtb) {
yuuji@0	1557 /* first report any new flags */
yuuji@0	1558 if ((nflags < NUSERFLAGS) && stream->user_flags[nflags])
yuuji@0	1559 new_flags (stream);
yuuji@0	1560 for (i = 1; i <= nmsgs; i++) if (mail_elt (stream,i)->spare2) {
yuuji@0	1561 PSOUT ("* ");
yuuji@0	1562 pnum (i);
yuuji@0	1563 PSOUT (" FETCH (");
yuuji@0	1564 fetch_flags (i,NIL); /* output changed flags */
yuuji@0	1565 if (uid) { /* need to include UIDs in response? */
yuuji@0	1566 PBOUT (' ');
yuuji@0	1567 fetch_uid (i,NIL);
yuuji@0	1568 }
yuuji@0	1569 PSOUT (")\015\012");
yuuji@0	1570 }
yuuji@0	1571 }
yuuji@0	1572 else { /* driver changed */
yuuji@0	1573 new_flags (stream); /* send mailbox flags */
yuuji@0	1574 if (curdriver) { /* note readonly/write if possible change */
yuuji@0	1575 PSOUT ("* OK [READ-");
yuuji@0	1576 PSOUT (stream->rdonly ? "ONLY" : "WRITE");
yuuji@0	1577 PSOUT ("] Mailbox status\015\012");
yuuji@0	1578 }
yuuji@0	1579 curdriver = stream->dtb;
yuuji@0	1580 if (nmsgs) { /* get flags for all messages */
yuuji@0	1581 sprintf (tmp,"1:%lu",nmsgs);
yuuji@0	1582 mail_fetch_flags (stream,tmp,NIL);
yuuji@0	1583 /* don't do this if newsrc already did */
yuuji@0	1584 if (!(curdriver->flags & DR_NEWS)) {
yuuji@0	1585 /* find first unseen message */
yuuji@0	1586 for (i = 1; i <= nmsgs && mail_elt (stream,i)->seen; i++);
yuuji@0	1587 if (i <= nmsgs) {
yuuji@0	1588 PSOUT ("* OK [UNSEEN ");
yuuji@0	1589 pnum (i);
yuuji@0	1590 PSOUT ("] first unseen message in ");
yuuji@0	1591 PSOUT (stream->mailbox);
yuuji@0	1592 CRLF;
yuuji@0	1593 }
yuuji@0	1594 }
yuuji@0	1595 }
yuuji@0	1596 }
yuuji@0	1597 }
yuuji@0	1598 if (shutdowntime && (time (0) > shutdowntime + SHUTDOWNTIMER)) {
yuuji@0	1599 PSOUT ("* BYE Server shutting down\015\012");
yuuji@0	1600 state = LOGOUT;
yuuji@0	1601 }
yuuji@0	1602 /* don't do these stat()s every cycle */
yuuji@0	1603 else if (time (0) > alerttime + ALERTTIMER) {
yuuji@0	1604 struct stat sbuf;
yuuji@0	1605 /* have a shutdown file? */
yuuji@0	1606 if (!stat (SHUTDOWNFILE,&sbuf)) {
yuuji@0	1607 PSOUT ("* OK [ALERT] Server shutting down shortly\015\012");
yuuji@0	1608 shutdowntime = time (0);
yuuji@0	1609 }
yuuji@0	1610 alerttime = time (0); /* output any new alerts */
yuuji@0	1611 sysalerttime = palert (ALERTFILE,sysalerttime);
yuuji@0	1612 if (state != LOGIN) /* do user alert if logged in */
yuuji@0	1613 useralerttime = palert (mailboxfile (tmp,USERALERTFILE),useralerttime);
yuuji@0	1614 }
yuuji@0	1615 }
yuuji@0	1616
yuuji@0	1617 /* Print an alert file
yuuji@0	1618 * Accepts: path of alert file
yuuji@0	1619 * time of last printed alert file
yuuji@0	1620 * Returns: updated time of last printed alert file
yuuji@0	1621 */
yuuji@0	1622
yuuji@0	1623 time_t palert (char *file,time_t oldtime)
yuuji@0	1624 {
yuuji@0	1625 FILE *alf;
yuuji@0	1626 struct stat sbuf;
yuuji@0	1627 int c,lc = '\012';
yuuji@0	1628 /* have a new alert file? */
yuuji@0	1629 if (stat (file,&sbuf) \|\| (sbuf.st_mtime <= oldtime) \|\|
yuuji@0	1630 !(alf = fopen (file,"r"))) return oldtime;
yuuji@0	1631 /* yes, display it */
yuuji@0	1632 while ((c = getc (alf)) != EOF) {
yuuji@0	1633 if (lc == '\012') PSOUT ("* OK [ALERT] ");
yuuji@0	1634 switch (c) { /* output character */
yuuji@0	1635 case '\012': /* newline means do CRLF */
yuuji@0	1636 CRLF;
yuuji@0	1637 case '\015': /* flush CRs */
yuuji@0	1638 case '\0': /* flush nulls */
yuuji@0	1639 break;
yuuji@0	1640 default:
yuuji@0	1641 PBOUT (c); /* output all other characters */
yuuji@0	1642 break;
yuuji@0	1643 }
yuuji@0	1644 lc = c; /* note previous character */
yuuji@0	1645 }
yuuji@0	1646 fclose (alf);
yuuji@0	1647 if (lc != '\012') CRLF; /* final terminating CRLF */
yuuji@0	1648 return sbuf.st_mtime; /* return updated last alert time */
yuuji@0	1649 }
yuuji@0	1650
yuuji@0	1651 /* Initialize file string structure for file stringstruct
yuuji@0	1652 * Accepts: string structure
yuuji@0	1653 * pointer to message data structure
yuuji@0	1654 * size of string
yuuji@0	1655 */
yuuji@0	1656
yuuji@0	1657 void msg_string_init (STRING s,void data,unsigned long size)
yuuji@0	1658 {
yuuji@0	1659 MSGDATA md = (MSGDATA ) data;
yuuji@0	1660 s->data = data; /* note stream/msgno and header length */
yuuji@0	1661 #if 0
yuuji@0	1662 s->size = size; /* message size */
yuuji@0	1663 s->curpos = s->chunk = /* load header */
yuuji@0	1664 mail_fetchheader_full (md->stream,md->msgno,NIL,&s->data1,
yuuji@0	1665 FT_PREFETCHTEXT \| FT_PEEK);
yuuji@0	1666 #else /* This kludge is necessary because of broken mail stores */
yuuji@0	1667 mail_fetchtext_full (md->stream,md->msgno,&s->size,FT_PEEK);
yuuji@0	1668 s->curpos = s->chunk = /* load header */
yuuji@0	1669 mail_fetchheader_full (md->stream,md->msgno,NIL,&s->data1,FT_PEEK);
yuuji@0	1670 s->size += s->data1; /* header + body size */
yuuji@0	1671 #endif
yuuji@0	1672 s->cursize = s->chunksize = s->data1;
yuuji@0	1673 s->offset = 0; /* offset is start of message */
yuuji@0	1674 }
yuuji@0	1675
yuuji@0	1676
yuuji@0	1677 /* Get next character from file stringstruct
yuuji@0	1678 * Accepts: string structure
yuuji@0	1679 * Returns: character, string structure chunk refreshed
yuuji@0	1680 */
yuuji@0	1681
yuuji@0	1682 char msg_string_next (STRING *s)
yuuji@0	1683 {
yuuji@0	1684 char c = s->curpos++; / get next byte */
yuuji@0	1685 SETPOS (s,GETPOS (s)); /* move to next chunk */
yuuji@0	1686 return c; /* return the byte */
yuuji@0	1687 }
yuuji@0	1688
yuuji@0	1689
yuuji@0	1690 /* Set string pointer position for file stringstruct
yuuji@0	1691 * Accepts: string structure
yuuji@0	1692 * new position
yuuji@0	1693 */
yuuji@0	1694
yuuji@0	1695 void msg_string_setpos (STRING *s,unsigned long i)
yuuji@0	1696 {
yuuji@0	1697 MSGDATA md = (MSGDATA ) s->data;
yuuji@0	1698 if (i < s->data1) { /* want header? */
yuuji@0	1699 s->chunk = mail_fetchheader_full (md->stream,md->msgno,NIL,NIL,FT_PEEK);
yuuji@0	1700 s->chunksize = s->data1; /* header length */
yuuji@0	1701 s->offset = 0; /* offset is start of message */
yuuji@0	1702 }
yuuji@0	1703 else if (i < s->size) { /* want body */
yuuji@0	1704 s->chunk = mail_fetchtext_full (md->stream,md->msgno,NIL,FT_PEEK);
yuuji@0	1705 s->chunksize = s->size - s->data1;
yuuji@0	1706 s->offset = s->data1; /* offset is end of header */
yuuji@0	1707 }
yuuji@0	1708 else { /* off end of message */
yuuji@0	1709 s->chunk = NIL; /* make sure that we crack on this then */
yuuji@0	1710 s->chunksize = 1; /* make sure SNX cracks the right way... */
yuuji@0	1711 s->offset = i;
yuuji@0	1712 }
yuuji@0	1713 /* initial position and size */
yuuji@0	1714 s->curpos = s->chunk + (i -= s->offset);
yuuji@0	1715 s->cursize = s->chunksize - i;
yuuji@0	1716 }
yuuji@0	1717
yuuji@0	1718 /* Send flags for stream
yuuji@0	1719 * Accepts: MAIL stream
yuuji@0	1720 * scratch buffer
yuuji@0	1721 */
yuuji@0	1722
yuuji@0	1723 void new_flags (MAILSTREAM *stream)
yuuji@0	1724 {
yuuji@0	1725 int i,c;
yuuji@0	1726 PSOUT ("* FLAGS (");
yuuji@0	1727 for (i = 0; i < NUSERFLAGS; i++) if (stream->user_flags[i]) {
yuuji@0	1728 PSOUT (stream->user_flags[i]);
yuuji@0	1729 PBOUT (' ');
yuuji@0	1730 nflags = i + 1;
yuuji@0	1731 }
yuuji@0	1732 PSOUT ("\\Answered \\Flagged \\Deleted \\Draft \\Seen)\015\012* OK [PERMANENTFLAGS (");
yuuji@0	1733 for (i = c = 0; i < NUSERFLAGS; i++)
yuuji@0	1734 if ((stream->perm_user_flags & (1 << i)) && stream->user_flags[i])
yuuji@0	1735 put_flag (&c,stream->user_flags[i]);
yuuji@0	1736 if (stream->kwd_create) put_flag (&c,"\\*");
yuuji@0	1737 if (stream->perm_answered) put_flag (&c,"\\Answered");
yuuji@0	1738 if (stream->perm_flagged) put_flag (&c,"\\Flagged");
yuuji@0	1739 if (stream->perm_deleted) put_flag (&c,"\\Deleted");
yuuji@0	1740 if (stream->perm_draft) put_flag (&c,"\\Draft");
yuuji@0	1741 if (stream->perm_seen) put_flag (&c,"\\Seen");
yuuji@0	1742 PSOUT (")] Permanent flags\015\012");
yuuji@0	1743 }
yuuji@0	1744
yuuji@0	1745 /* Set timeout
yuuji@0	1746 * Accepts: desired interval
yuuji@0	1747 */
yuuji@0	1748
yuuji@0	1749 void settimeout (unsigned int i)
yuuji@0	1750 {
yuuji@0	1751 /* limit if not logged in */
yuuji@0	1752 if (i) alarm ((state == LOGIN) ? LOGINTIMEOUT : i);
yuuji@0	1753 else alarm (0);
yuuji@0	1754 }
yuuji@0	1755
yuuji@0	1756
yuuji@0	1757 /* Clock interrupt
yuuji@0	1758 * Returns only if critical code in progress
yuuji@0	1759 */
yuuji@0	1760
yuuji@0	1761 void clkint (void)
yuuji@0	1762 {
yuuji@0	1763 settimeout (0); /* disable all interrupts */
yuuji@0	1764 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	1765 logout = "Autologout";
yuuji@0	1766 goodbye = "Autologout (idle for too long)";
yuuji@0	1767 if (critical) { /* must defer if in critical code(?) */
yuuji@0	1768 close (0); /* kill stdin */
yuuji@0	1769 state = LOGOUT; /* die as soon as we can */
yuuji@0	1770 }
yuuji@0	1771 else longjmp (jmpenv,1); /* die now */
yuuji@0	1772 }
yuuji@0	1773
yuuji@0	1774
yuuji@0	1775 /* Kiss Of Death interrupt
yuuji@0	1776 * Returns only if critical code in progress
yuuji@0	1777 */
yuuji@0	1778
yuuji@0	1779 void kodint (void)
yuuji@0	1780 {
yuuji@0	1781 settimeout (0); /* disable all interrupts */
yuuji@0	1782 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	1783 logout = goodbye = "Killed (lost mailbox lock)";
yuuji@0	1784 if (critical) { /* must defer if in critical code */
yuuji@0	1785 close (0); /* kill stdin */
yuuji@0	1786 state = LOGOUT; /* die as soon as we can */
yuuji@0	1787 }
yuuji@0	1788 else longjmp (jmpenv,1); /* die now */
yuuji@0	1789 }
yuuji@0	1790
yuuji@0	1791 /* Hangup interrupt
yuuji@0	1792 * Returns only if critical code in progress
yuuji@0	1793 */
yuuji@0	1794
yuuji@0	1795 void hupint (void)
yuuji@0	1796 {
yuuji@0	1797 settimeout (0); /* disable all interrupts */
yuuji@0	1798 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	1799 logout = "Hangup";
yuuji@0	1800 goodbye = NIL; /* other end is already gone */
yuuji@0	1801 if (critical) { /* must defer if in critical code */
yuuji@0	1802 close (0); /* kill stdin */
yuuji@0	1803 close (1); /* and stdout */
yuuji@0	1804 state = LOGOUT; /* die as soon as we can */
yuuji@0	1805 }
yuuji@0	1806 else longjmp (jmpenv,1); /* die now */
yuuji@0	1807 }
yuuji@0	1808
yuuji@0	1809
yuuji@0	1810 /* Termination interrupt
yuuji@0	1811 * Returns only if critical code in progress
yuuji@0	1812 */
yuuji@0	1813
yuuji@0	1814 void trmint (void)
yuuji@0	1815 {
yuuji@0	1816 settimeout (0); /* disable all interrupts */
yuuji@0	1817 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	1818 logout = goodbye = "Killed (terminated)";
yuuji@0	1819 /* Make no attempt at graceful closure since a shutdown may be in
yuuji@0	1820 * progress, and we won't have any time to do mail_close() actions
yuuji@0	1821 */
yuuji@0	1822 stream = NIL;
yuuji@0	1823 if (critical) { /* must defer if in critical code */
yuuji@0	1824 close (0); /* kill stdin */
yuuji@0	1825 close (1); /* and stdout */
yuuji@0	1826 state = LOGOUT; /* die as soon as we can */
yuuji@0	1827 }
yuuji@0	1828 else longjmp (jmpenv,1); /* die now */
yuuji@0	1829 }
yuuji@0	1830
yuuji@0	1831 /* The routines on this and the next page eschew the use of non-syscall libc
yuuji@0	1832 * routines (especially stdio) for a reason. Also, these hideous #if
yuuji@0	1833 * condtionals need to be replaced.
yuuji@0	1834 */
yuuji@0	1835
yuuji@0	1836 #ifndef unix
yuuji@0	1837 #define unix 0
yuuji@0	1838 #endif
yuuji@0	1839
yuuji@0	1840
yuuji@0	1841 /* Status request interrupt
yuuji@0	1842 * Always returns
yuuji@0	1843 */
yuuji@0	1844
yuuji@0	1845 void staint (void)
yuuji@0	1846 {
yuuji@0	1847 #if unix
yuuji@0	1848 int fd;
yuuji@0	1849 char s,buf[8MAILTMPLEN];
yuuji@0	1850 unsigned long pid = getpid ();
yuuji@0	1851 /* build file name */
yuuji@0	1852 s = nout (sout (buf,"/tmp/imapd-status."),pid,10);
yuuji@0	1853 if (user) s = sout (sout (s,"."),user);
yuuji@0	1854 s = '\0'; / tie off file name */
yuuji@0	1855 if ((fd = open (buf,O_WRONLY \| O_CREAT \| O_TRUNC,0666)) >= 0) {
yuuji@0	1856 fchmod (fd,0666);
yuuji@0	1857 s = nout (sout (buf,"PID="),pid,10);
yuuji@0	1858 if (user) s = sout (sout (s,", user="),user);
yuuji@0	1859 switch (state) {
yuuji@0	1860 case LOGIN:
yuuji@0	1861 s = sout (s,", not logged in");
yuuji@0	1862 break;
yuuji@0	1863 case SELECT:
yuuji@0	1864 s = sout (s,", logged in");
yuuji@0	1865 break;
yuuji@0	1866 case OPEN:
yuuji@0	1867 s = sout (s,", mailbox open");
yuuji@0	1868 break;
yuuji@0	1869 case LOGOUT:
yuuji@0	1870 s = sout (s,", logging out");
yuuji@0	1871 break;
yuuji@0	1872 }
yuuji@0	1873 if (stream && stream->mailbox)
yuuji@0	1874 s = sout (sout (s,"\nmailbox="),stream->mailbox);
yuuji@0	1875 *s++ = '\n';
yuuji@0	1876 if (status) {
yuuji@0	1877 s = sout (s,status);
yuuji@0	1878 if (cmd) s = sout (sout (s,", last command="),cmd);
yuuji@0	1879 }
yuuji@0	1880 else s = sout (sout (s,cmd)," in progress");
yuuji@0	1881 *s++ = '\n';
yuuji@0	1882 write (fd,buf,s-buf);
yuuji@0	1883 close (fd);
yuuji@0	1884 }
yuuji@0	1885 #endif
yuuji@0	1886 }
yuuji@0	1887
yuuji@0	1888 /* Write string
yuuji@0	1889 * Accepts: destination string pointer
yuuji@0	1890 * string
yuuji@0	1891 * Returns: updated string pointer
yuuji@0	1892 */
yuuji@0	1893
yuuji@0	1894 char sout (char s,char *t)
yuuji@0	1895 {
yuuji@0	1896 while (t) s++ = *t++;
yuuji@0	1897 return s;
yuuji@0	1898 }
yuuji@0	1899
yuuji@0	1900
yuuji@0	1901 /* Write number
yuuji@0	1902 * Accepts: destination string pointer
yuuji@0	1903 * number
yuuji@0	1904 * base
yuuji@0	1905 * Returns: updated string pointer
yuuji@0	1906 */
yuuji@0	1907
yuuji@0	1908 char nout (char s,unsigned long n,unsigned long base)
yuuji@0	1909 {
yuuji@0	1910 char stack[256];
yuuji@0	1911 char *t = stack;
yuuji@0	1912 /* push PID digits on stack */
yuuji@0	1913 do *t++ = (char) (n % base) + '0';
yuuji@0	1914 while (n /= base);
yuuji@0	1915 /* pop digits from stack */
yuuji@0	1916 while (t > stack) s++ = --t;
yuuji@0	1917 return s;
yuuji@0	1918 }
yuuji@0	1919
yuuji@0	1920 /* Slurp a command line
yuuji@0	1921 * Accepts: buffer pointer
yuuji@0	1922 * buffer size
yuuji@0	1923 * input timeout
yuuji@0	1924 */
yuuji@0	1925
yuuji@0	1926 void slurp (char *s,int n,unsigned long timeout)
yuuji@0	1927 {
yuuji@0	1928 memset (s,'\0',n); /* zap buffer */
yuuji@0	1929 if (state != LOGOUT) { /* get a command under timeout */
yuuji@0	1930 settimeout (timeout);
yuuji@0	1931 clearerr (stdin); /* clear stdin errors */
yuuji@0	1932 status = "reading line";
yuuji@0	1933 if (!PSIN (s,n-1)) ioerror (stdin,status);
yuuji@0	1934 settimeout (0); /* make sure timeout disabled */
yuuji@0	1935 status = NIL;
yuuji@0	1936 }
yuuji@0	1937 }
yuuji@0	1938
yuuji@0	1939
yuuji@0	1940 /* Read a literal
yuuji@0	1941 * Accepts: destination buffer (must be size+1 for trailing NUL)
yuuji@0	1942 * size of buffer (must be less than 4294967295)
yuuji@0	1943 */
yuuji@0	1944
yuuji@0	1945 void inliteral (char *s,unsigned long n)
yuuji@0	1946 {
yuuji@0	1947 unsigned long i;
yuuji@0	1948 if (litplus.ok) { /* no more LITERAL+ to worry about */
yuuji@0	1949 litplus.ok = NIL;
yuuji@0	1950 litplus.size = 0;
yuuji@0	1951 }
yuuji@0	1952 else { /* otherwise tell client ready for argument */
yuuji@0	1953 PSOUT ("+ Ready for argument\015\012");
yuuji@0	1954 PFLUSH (); /* dump output buffer */
yuuji@0	1955 }
yuuji@0	1956 clearerr (stdin); /* clear stdin errors */
yuuji@0	1957 memset (s,'\0',n+1); /* zap buffer */
yuuji@0	1958 status = "reading literal";
yuuji@0	1959 while (n) { /* get data under timeout */
yuuji@0	1960 if (state == LOGOUT) n = 0;
yuuji@0	1961 else {
yuuji@0	1962 settimeout (INPUTTIMEOUT);
yuuji@0	1963 i = min (n,8192); /* must read at least 8K within timeout */
yuuji@0	1964 if (PSINR (s,i)) {
yuuji@0	1965 s += i;
yuuji@0	1966 n -= i;
yuuji@0	1967 }
yuuji@0	1968 else {
yuuji@0	1969 ioerror (stdin,status);
yuuji@0	1970 n = 0; /* in case it continues */
yuuji@0	1971 }
yuuji@0	1972 settimeout (0); /* stop timeout */
yuuji@0	1973 }
yuuji@0	1974 }
yuuji@0	1975 }
yuuji@0	1976
yuuji@0	1977 /* Flush until newline seen
yuuji@0	1978 * Returns: NIL, always
yuuji@0	1979 */
yuuji@0	1980
yuuji@0	1981 unsigned char *flush (void)
yuuji@0	1982 {
yuuji@0	1983 int c;
yuuji@0	1984 if (state != LOGOUT) {
yuuji@0	1985 settimeout (INPUTTIMEOUT);
yuuji@0	1986 clearerr (stdin); /* clear stdin errors */
yuuji@0	1987 status = "flushing line";
yuuji@0	1988 while ((c = PBIN ()) != '\012') if (c == EOF) ioerror (stdin,status);
yuuji@0	1989 settimeout (0); /* make sure timeout disabled */
yuuji@0	1990 }
yuuji@0	1991 response = "%.80s BAD Command line too long\015\012";
yuuji@0	1992 status = NIL;
yuuji@0	1993 return NIL;
yuuji@0	1994 }
yuuji@0	1995
yuuji@0	1996
yuuji@0	1997 /* Report command stream error and die
yuuji@0	1998 * Accepts: stdin or stdout (whichever got the error)
yuuji@0	1999 * reason (what caller was doing)
yuuji@0	2000 */
yuuji@0	2001
yuuji@0	2002 void ioerror (FILE f,char reason)
yuuji@0	2003 {
yuuji@0	2004 static char msg[MAILTMPLEN];
yuuji@0	2005 char s,t;
yuuji@0	2006 if (logout) { /* say nothing if already dying */
yuuji@0	2007 settimeout (0); /* disable all interrupts */
yuuji@0	2008 server_init (NIL,NIL,NIL,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN,SIG_IGN);
yuuji@0	2009 /* write error string */
yuuji@0	2010 for (s = ferror (f) ? strerror (errno) : "Unexpected client disconnect",
yuuji@0	2011 t = logout = msg; s; t++ = *s++);
yuuji@0	2012 for (s = ", while "; s; t++ = *s++);
yuuji@0	2013 for (s = reason; s; t++ = *s++);
yuuji@0	2014 if (critical) { /* must defer if in critical code */
yuuji@0	2015 close (0); /* kill stdin */
yuuji@0	2016 close (1); /* and stdout */
yuuji@0	2017 state = LOGOUT; /* die as soon as we can */
yuuji@0	2018 }
yuuji@0	2019 else longjmp (jmpenv,1); /* die now */
yuuji@0	2020 }
yuuji@0	2021 }
yuuji@0	2022
yuuji@0	2023 /* Parse an IMAP astring
yuuji@0	2024 * Accepts: pointer to argument text pointer
yuuji@0	2025 * pointer to returned size
yuuji@0	2026 * pointer to returned delimiter
yuuji@0	2027 * Returns: argument
yuuji@0	2028 */
yuuji@0	2029
yuuji@0	2030 unsigned char parse_astring (unsigned char arg,unsigned long size,
yuuji@0	2031 unsigned char *del)
yuuji@0	2032 {
yuuji@0	2033 unsigned long i;
yuuji@0	2034 unsigned char c,s,t,*v;
yuuji@0	2035 if (!arg) return NIL; / better be an argument */
yuuji@0	2036 switch (*arg) { / see what the argument is */
yuuji@0	2037 default: /* atom */
yuuji@0	2038 for (s = t = *arg, i = 0;
yuuji@0	2039 (t > ' ') && (t < 0x7f) && (t != '(') && (t != ')') &&
yuuji@0	2040 (t != '{') && (t != '%') && (t != '') && (*t != '"') &&
yuuji@0	2041 (*t != '\\'); ++t,++i);
yuuji@0	2042 if (size = i) break; / got atom if non-empty */
yuuji@0	2043 case ')': case '%': case '*': case '\\': case '\0': case ' ':
yuuji@0	2044 return NIL; /* empty atom is a bogon */
yuuji@0	2045 case '"': /* hunt for trailing quote */
yuuji@0	2046 for (s = t = v = arg + 1; (c = t++) != '"'; *v++ = c) {
yuuji@0	2047 /* quote next character */
yuuji@0	2048 if (c == '\\') switch (c = *t++) {
yuuji@0	2049 case '"': case '\\': break;
yuuji@0	2050 default: return NIL; /* invalid quote-next */
yuuji@0	2051 }
yuuji@0	2052 /* else must be a CHAR */
yuuji@0	2053 if (!c \|\| (c & 0x80)) return NIL;
yuuji@0	2054 }
yuuji@0	2055 v = '\0'; / tie off string */
yuuji@0	2056 size = v - s; / return size */
yuuji@0	2057 break;
yuuji@0	2058
yuuji@0	2059 case '{': /* literal string */
yuuji@0	2060 s = arg + 1; / get size */
yuuji@0	2061 if (!isdigit (*s)) return NIL;
yuuji@0	2062 if ((size = i = strtoul (s,(char *) &t,10)) > MAXCLIENTLIT) {
yuuji@0	2063 mm_notify (NIL,"Absurdly long client literal",ERROR);
yuuji@0	2064 syslog (LOG_INFO,"Overlong (%lu) client literal user=%.80s host=%.80s",
yuuji@0	2065 i,user ? (char *) user : "???",tcp_clienthost ());
yuuji@0	2066 return NIL;
yuuji@0	2067 }
yuuji@0	2068 switch (t) { / validate end of literal */
yuuji@0	2069 case '+': /* non-blocking literal */
yuuji@0	2070 if (*++t != '}') return NIL;
yuuji@0	2071 case '}':
yuuji@0	2072 if (!t[1]) break; /* OK if end of line */
yuuji@0	2073 default:
yuuji@0	2074 return NIL; /* bad literal */
yuuji@0	2075 }
yuuji@0	2076 if (litsp >= LITSTKLEN) { /* make sure don't overflow stack */
yuuji@0	2077 mm_notify (NIL,"Too many literals in command",ERROR);
yuuji@0	2078 return NIL;
yuuji@0	2079 }
yuuji@0	2080 /* get a literal buffer */
yuuji@0	2081 inliteral (s = litstk[litsp++] = (char *) fs_get (i+1),i);
yuuji@0	2082 /* get new command tail */
yuuji@0	2083 slurp (*arg = t,CMDLEN - (t - cmdbuf),INPUTTIMEOUT);
yuuji@0	2084 if (!strchr (t,'\012')) return flush ();
yuuji@0	2085 /* reset strtok mechanism, tie off if done */
yuuji@0	2086 if (!strtok (t,"\015\012")) *t = '\0';
yuuji@0	2087 /* possible LITERAL+? */
yuuji@0	2088 if (((i = strlen (t)) > 3) && (t[i - 1] == '}') &&
yuuji@0	2089 (t[i - 2] == '+') && isdigit (t[i - 3])) {
yuuji@0	2090 /* back over possible count */
yuuji@0	2091 for (i -= 4; i && isdigit (t[i]); i--);
yuuji@0	2092 if (t[i] == '{') { /* found a literal? */
yuuji@0	2093 litplus.ok = T; /* yes, note LITERAL+ in effect, set size */
yuuji@0	2094 litplus.size = strtoul (t + i + 1,NIL,10);
yuuji@0	2095 }
yuuji@0	2096 }
yuuji@0	2097 break;
yuuji@0	2098 }
yuuji@0	2099 if (del = t) { /* have a delimiter? */
yuuji@0	2100 t++ = '\0'; / yes, stomp on it */
yuuji@0	2101 arg = t; / update argument pointer */
yuuji@0	2102 }
yuuji@0	2103 else arg = NIL; / no more arguments */
yuuji@0	2104 return s;
yuuji@0	2105 }
yuuji@0	2106
yuuji@0	2107 /* Snarf a command argument (simple jacket into parse_astring())
yuuji@0	2108 * Accepts: pointer to argument text pointer
yuuji@0	2109 * Returns: argument
yuuji@0	2110 */
yuuji@0	2111
yuuji@0	2112 unsigned char snarf (unsigned char *arg)
yuuji@0	2113 {
yuuji@0	2114 unsigned long i;
yuuji@0	2115 unsigned char c;
yuuji@0	2116 unsigned char *s = parse_astring (arg,&i,&c);
yuuji@0	2117 return ((c == ' ') \|\| !c) ? s : NIL;
yuuji@0	2118 }
yuuji@0	2119
yuuji@0	2120
yuuji@0	2121 /* Snarf a BASE64 argument for SASL-IR
yuuji@0	2122 * Accepts: pointer to argument text pointer
yuuji@0	2123 * Returns: argument
yuuji@0	2124 */
yuuji@0	2125
yuuji@0	2126 unsigned char snarf_base64 (unsigned char *arg)
yuuji@0	2127 {
yuuji@0	2128 unsigned char ret = arg;
yuuji@0	2129 unsigned char *s = ret + 1;
yuuji@0	2130 static char base64mask[256] = {
yuuji@0	2131 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
yuuji@0	2132 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,
yuuji@0	2133 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
yuuji@0	2134 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,
yuuji@0	2135 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
yuuji@0	2136 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
yuuji@0	2137 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
yuuji@0	2138 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
yuuji@0	2139 };
yuuji@0	2140 if ((ret = arg) == '='); /* easy case if zero-length argument */
yuuji@0	2141 /* must be at least one BASE64 char */
yuuji@0	2142 else if (!base64mask[*ret]) return NIL;
yuuji@0	2143 else { /* quick and dirty */
yuuji@0	2144 while (base64mask[s++]); / scan until end of BASE64 */
yuuji@0	2145 if (s == '=') ++s; / allow up to two padding chars */
yuuji@0	2146 if (*s == '=') ++s;
yuuji@0	2147 }
yuuji@0	2148 switch (s) { / anything following the argument? */
yuuji@0	2149 case ' ': /* another argument */
yuuji@0	2150 s++ = '\0'; / tie off previous argument */
yuuji@0	2151 arg = s; / and update argument pointer */
yuuji@0	2152 break;
yuuji@0	2153 case '\0': /* end of command */
yuuji@0	2154 *arg = NIL;
yuuji@0	2155 break;
yuuji@0	2156 default: /* syntax error */
yuuji@0	2157 return NIL;
yuuji@0	2158 }
yuuji@0	2159 return ret; /* return BASE64 string */
yuuji@0	2160 }
yuuji@0	2161
yuuji@0	2162 /* Snarf a list command argument (simple jacket into parse_astring())
yuuji@0	2163 * Accepts: pointer to argument text pointer
yuuji@0	2164 * Returns: argument
yuuji@0	2165 */
yuuji@0	2166
yuuji@0	2167 unsigned char snarf_list (unsigned char *arg)
yuuji@0	2168 {
yuuji@0	2169 unsigned long i;
yuuji@0	2170 unsigned char c,s,t;
yuuji@0	2171 if (!arg) return NIL; / better be an argument */
yuuji@0	2172 switch (**arg) {
yuuji@0	2173 default: /* atom and/or wildcard chars */
yuuji@0	2174 for (s = t = *arg, i = 0;
yuuji@0	2175 (t > ' ') && (t != '(') && (t != ')') && (t != '{') &&
yuuji@0	2176 (t != '"') && (t != '\\'); ++t,++i);
yuuji@0	2177 if (c = t) { / have a delimiter? */
yuuji@0	2178 t++ = '\0'; / stomp on it */
yuuji@0	2179 arg = t; / update argument pointer */
yuuji@0	2180 }
yuuji@0	2181 else *arg = NIL;
yuuji@0	2182 break;
yuuji@0	2183 case ')': case '\\': case '\0': case ' ':
yuuji@0	2184 return NIL; /* empty name is bogus */
yuuji@0	2185 case '"': /* quoted string? */
yuuji@0	2186 case '{': /* or literal? */
yuuji@0	2187 s = parse_astring (arg,&i,&c);
yuuji@0	2188 break;
yuuji@0	2189 }
yuuji@0	2190 return ((c == ' ') \|\| !c) ? s : NIL;
yuuji@0	2191 }
yuuji@0	2192
yuuji@0	2193 /* Get a list of header lines
yuuji@0	2194 * Accepts: pointer to string pointer
yuuji@0	2195 * pointer to list flag
yuuji@0	2196 * Returns: string list
yuuji@0	2197 */
yuuji@0	2198
yuuji@0	2199 STRINGLIST parse_stringlist (unsigned char s,int list)
yuuji@0	2200 {
yuuji@0	2201 char c = ' ',*t;
yuuji@0	2202 unsigned long i;
yuuji@0	2203 STRINGLIST ret = NIL,cur = NIL;
yuuji@0	2204 if (s && s == '(') { / proper list? */
yuuji@0	2205 ++s; / for each item in list */
yuuji@0	2206 while ((c == ' ') && (t = parse_astring (s,&i,&c))) {
yuuji@0	2207 /* get new block */
yuuji@0	2208 if (cur) cur = cur->next = mail_newstringlist ();
yuuji@0	2209 else cur = ret = mail_newstringlist ();
yuuji@0	2210 /* note text */
yuuji@0	2211 cur->text.data = (unsigned char *) fs_get (i + 1);
yuuji@0	2212 memcpy (cur->text.data,t,i);
yuuji@0	2213 cur->text.size = i; /* and size */
yuuji@0	2214 }
yuuji@0	2215 /* must be end of list */
yuuji@0	2216 if (c != ')') mail_free_stringlist (&ret);
yuuji@0	2217 }
yuuji@0	2218 if (t = s) { / need to reload strtok() state? */
yuuji@0	2219 /* end of a list? */
yuuji@0	2220 if (list && (t == ')') && !t[1]) *list = NIL;
yuuji@0	2221 else {
yuuji@0	2222 --t = ' '; / patch a space back in */
yuuji@0	2223 --t = 'x'; / and a hokey character before that */
yuuji@0	2224 t = strtok (t," "); /* reset to s /
yuuji@0	2225 }
yuuji@0	2226 }
yuuji@0	2227 return ret;
yuuji@0	2228 }
yuuji@0	2229
yuuji@0	2230 /* Get value of UID * for criteria parsing
yuuji@0	2231 * Accepts: stream
yuuji@0	2232 * Returns: maximum UID
yuuji@0	2233 */
yuuji@0	2234
yuuji@0	2235 unsigned long uidmax (MAILSTREAM *stream)
yuuji@0	2236 {
yuuji@0	2237 return stream->nmsgs ? mail_uid (stream,stream->nmsgs) : 0xffffffff;
yuuji@0	2238 }
yuuji@0	2239
yuuji@0	2240
yuuji@0	2241 /* Parse search criteria
yuuji@0	2242 * Accepts: search program to write criteria into
yuuji@0	2243 * pointer to argument text pointer
yuuji@0	2244 * maximum message number
yuuji@0	2245 * maximum UID
yuuji@0	2246 * logical nesting depth
yuuji@0	2247 * Returns: T if success, NIL if error
yuuji@0	2248 */
yuuji@0	2249
yuuji@0	2250 long parse_criteria (SEARCHPGM pgm,unsigned char *arg,unsigned long maxmsg,
yuuji@0	2251 unsigned long maxuid,unsigned long depth)
yuuji@0	2252 {
yuuji@0	2253 if (arg && arg) { / must be an argument */
yuuji@0	2254 /* parse criteria */
yuuji@0	2255 do if (!parse_criterion (pgm,arg,maxmsg,maxuid,depth)) return NIL;
yuuji@0	2256 /* as long as a space delimiter */
yuuji@0	2257 while (*arg == ' ' && (arg)++);
yuuji@0	2258 /* failed if not end of criteria */
yuuji@0	2259 if (arg && arg != ')') return NIL;
yuuji@0	2260 }
yuuji@0	2261 return T; /* success */
yuuji@0	2262 }
yuuji@0	2263
yuuji@0	2264 /* Parse a search criterion
yuuji@0	2265 * Accepts: search program to write criterion into
yuuji@0	2266 * pointer to argument text pointer
yuuji@0	2267 * maximum message number
yuuji@0	2268 * maximum UID
yuuji@0	2269 * logical nesting depth
yuuji@0	2270 * Returns: T if success, NIL if error
yuuji@0	2271 */
yuuji@0	2272
yuuji@0	2273 long parse_criterion (SEARCHPGM pgm,unsigned char *arg,unsigned long maxmsg,
yuuji@0	2274 unsigned long maxuid,unsigned long depth)
yuuji@0	2275 {
yuuji@0	2276 unsigned long i;
yuuji@0	2277 unsigned char c = NIL,s,t,v,tail,*del;
yuuji@0	2278 SEARCHSET **set;
yuuji@0	2279 SEARCHPGMLIST **not;
yuuji@0	2280 SEARCHOR **or;
yuuji@0	2281 SEARCHHEADER **hdr;
yuuji@0	2282 long ret = NIL;
yuuji@0	2283 /* better be an argument */
yuuji@0	2284 if ((depth > 500) \|\| !(arg && *arg));
yuuji@0	2285 else if (*arg == '(') { / list of criteria? */
yuuji@0	2286 (arg)++; / yes, parse the criteria */
yuuji@0	2287 if (parse_criteria (pgm,arg,maxmsg,maxuid,depth+1) && **arg == ')') {
yuuji@0	2288 (arg)++; / skip closing paren */
yuuji@0	2289 ret = T; /* successful parse of list */
yuuji@0	2290 }
yuuji@0	2291 }
yuuji@0	2292 else { /* find end of criterion */
yuuji@0	2293 if (!(tail = strpbrk ((s = arg)," )"))) tail = arg + strlen (*arg);
yuuji@0	2294 c = (del = tail); / remember the delimiter */
yuuji@0	2295 del = '\0'; / tie off criterion */
yuuji@0	2296 switch (ucase (s)) { / dispatch based on character */
yuuji@0	2297 case '': / sequence */
yuuji@0	2298 case '0': case '1': case '2': case '3': case '4':
yuuji@0	2299 case '5': case '6': case '7': case '8': case '9':
yuuji@0	2300 if ((set = &pgm->msgno)){/ already a sequence? */
yuuji@0	2301 /* silly, but not as silly as the client! */
yuuji@0	2302 for (not = &pgm->not; not; not = &(not)->next);
yuuji@0	2303 *not = mail_newsearchpgmlist ();
yuuji@0	2304 set = &((*not)->pgm->not = mail_newsearchpgmlist ())->pgm->msgno;
yuuji@0	2305 }
yuuji@0	2306 ret = crit_set (set,&s,maxmsg) && (tail == s);
yuuji@0	2307 break;
yuuji@0	2308 case 'A': /* possible ALL, ANSWERED */
yuuji@0	2309 if (!strcmp (s+1,"LL")) ret = T;
yuuji@0	2310 else if (!strcmp (s+1,"NSWERED")) ret = pgm->answered = T;
yuuji@0	2311 break;
yuuji@0	2312
yuuji@0	2313 case 'B': /* possible BCC, BEFORE, BODY */
yuuji@0	2314 if (!strcmp (s+1,"CC") && c == ' ' && *++tail)
yuuji@0	2315 ret = crit_string (&pgm->bcc,&tail);
yuuji@0	2316 else if (!strcmp (s+1,"EFORE") && c == ' ' && *++tail)
yuuji@0	2317 ret = crit_date (&pgm->before,&tail);
yuuji@0	2318 else if (!strcmp (s+1,"ODY") && c == ' ' && *++tail)
yuuji@0	2319 ret = crit_string (&pgm->body,&tail);
yuuji@0	2320 break;
yuuji@0	2321 case 'C': /* possible CC */
yuuji@0	2322 if (!strcmp (s+1,"C") && c == ' ' && *++tail)
yuuji@0	2323 ret = crit_string (&pgm->cc,&tail);
yuuji@0	2324 break;
yuuji@0	2325 case 'D': /* possible DELETED */
yuuji@0	2326 if (!strcmp (s+1,"ELETED")) ret = pgm->deleted = T;
yuuji@0	2327 if (!strcmp (s+1,"RAFT")) ret = pgm->draft = T;
yuuji@0	2328 break;
yuuji@0	2329 case 'F': /* possible FLAGGED, FROM */
yuuji@0	2330 if (!strcmp (s+1,"LAGGED")) ret = pgm->flagged = T;
yuuji@0	2331 else if (!strcmp (s+1,"ROM") && c == ' ' && *++tail)
yuuji@0	2332 ret = crit_string (&pgm->from,&tail);
yuuji@0	2333 break;
yuuji@0	2334 case 'H': /* possible HEADER */
yuuji@0	2335 if (!strcmp (s+1,"EADER") && c == ' ' && *(v = tail + 1) &&
yuuji@0	2336 (s = parse_astring (&v,&i,&c)) && i && c == ' ' &&
yuuji@0	2337 (t = parse_astring (&v,&i,&c))) {
yuuji@0	2338 for (hdr = &pgm->header; hdr; hdr = &(hdr)->next);
yuuji@0	2339 *hdr = mail_newsearchheader (s,t);
yuuji@0	2340 /* update tail, restore delimiter */
yuuji@0	2341 *(tail = v ? v - 1 : t + i) = c;
yuuji@0	2342 ret = T; /* success */
yuuji@0	2343 }
yuuji@0	2344 break;
yuuji@0	2345 case 'K': /* possible KEYWORD */
yuuji@0	2346 if (!strcmp (s+1,"EYWORD") && c == ' ' && *++tail)
yuuji@0	2347 ret = crit_string (&pgm->keyword,&tail);
yuuji@0	2348 break;
yuuji@0	2349 case 'L':
yuuji@0	2350 if (!strcmp (s+1,"ARGER") && c == ' ' && *++tail)
yuuji@0	2351 ret = crit_number (&pgm->larger,&tail);
yuuji@0	2352 break;
yuuji@0	2353 case 'N': /* possible NEW, NOT */
yuuji@0	2354 if (!strcmp (s+1,"EW")) ret = pgm->recent = pgm->unseen = T;
yuuji@0	2355 else if (!strcmp (s+1,"OT") && c == ' ' && *++tail) {
yuuji@0	2356 for (not = &pgm->not; not; not = &(not)->next);
yuuji@0	2357 *not = mail_newsearchpgmlist ();
yuuji@0	2358 ret = parse_criterion ((*not)->pgm,&tail,maxmsg,maxuid,depth+1);
yuuji@0	2359 }
yuuji@0	2360 break;
yuuji@0	2361
yuuji@0	2362 case 'O': /* possible OLD, ON */
yuuji@0	2363 if (!strcmp (s+1,"LD")) ret = pgm->old = T;
yuuji@0	2364 else if (!strcmp (s+1,"N") && c == ' ' && *++tail)
yuuji@0	2365 ret = crit_date (&pgm->on,&tail);
yuuji@0	2366 else if (!strcmp (s+1,"R") && c == ' ') {
yuuji@0	2367 for (or = &pgm->or; or; or = &(or)->next);
yuuji@0	2368 *or = mail_newsearchor ();
yuuji@0	2369 ret = ++tail && parse_criterion((or)->first,&tail,maxmsg,maxuid,
yuuji@0	2370 depth+1) &&
yuuji@0	2371 (tail == ' ') && ++tail &&
yuuji@0	2372 parse_criterion ((*or)->second,&tail,maxmsg,maxuid,depth+1);
yuuji@0	2373 }
yuuji@0	2374 else if (!strcmp (s+1,"LDER") && c == ' ' && *++tail)
yuuji@0	2375 ret = crit_number (&pgm->older,&tail);
yuuji@0	2376 break;
yuuji@0	2377 case 'R': /* possible RECENT */
yuuji@0	2378 if (!strcmp (s+1,"ECENT")) ret = pgm->recent = T;
yuuji@0	2379 break;
yuuji@0	2380 case 'S': /* possible SEEN, SINCE, SUBJECT */
yuuji@0	2381 if (!strcmp (s+1,"EEN")) ret = pgm->seen = T;
yuuji@0	2382 else if (!strcmp (s+1,"ENTBEFORE") && c == ' ' && *++tail)
yuuji@0	2383 ret = crit_date (&pgm->sentbefore,&tail);
yuuji@0	2384 else if (!strcmp (s+1,"ENTON") && c == ' ' && *++tail)
yuuji@0	2385 ret = crit_date (&pgm->senton,&tail);
yuuji@0	2386 else if (!strcmp (s+1,"ENTSINCE") && c == ' ' && *++tail)
yuuji@0	2387 ret = crit_date (&pgm->sentsince,&tail);
yuuji@0	2388 else if (!strcmp (s+1,"INCE") && c == ' ' && *++tail)
yuuji@0	2389 ret = crit_date (&pgm->since,&tail);
yuuji@0	2390 else if (!strcmp (s+1,"MALLER") && c == ' ' && *++tail)
yuuji@0	2391 ret = crit_number (&pgm->smaller,&tail);
yuuji@0	2392 else if (!strcmp (s+1,"UBJECT") && c == ' ' && *++tail)
yuuji@0	2393 ret = crit_string (&pgm->subject,&tail);
yuuji@0	2394 break;
yuuji@0	2395 case 'T': /* possible TEXT, TO */
yuuji@0	2396 if (!strcmp (s+1,"EXT") && c == ' ' && *++tail)
yuuji@0	2397 ret = crit_string (&pgm->text,&tail);
yuuji@0	2398 else if (!strcmp (s+1,"O") && c == ' ' && *++tail)
yuuji@0	2399 ret = crit_string (&pgm->to,&tail);
yuuji@0	2400 break;
yuuji@0	2401
yuuji@0	2402 case 'U': /* possible UID, UN* */
yuuji@0	2403 if (!strcmp (s+1,"ID") && c== ' ' && *++tail) {
yuuji@0	2404 if ((set = &pgm->uid)){/ already a sequence? */
yuuji@0	2405 /* silly, but not as silly as the client! */
yuuji@0	2406 for (not = &pgm->not; not; not = &(not)->next);
yuuji@0	2407 *not = mail_newsearchpgmlist ();
yuuji@0	2408 set = &((*not)->pgm->not = mail_newsearchpgmlist ())->pgm->uid;
yuuji@0	2409 }
yuuji@0	2410 ret = crit_set (set,&tail,maxuid);
yuuji@0	2411 }
yuuji@0	2412 else if (!strcmp (s+1,"NANSWERED")) ret = pgm->unanswered = T;
yuuji@0	2413 else if (!strcmp (s+1,"NDELETED")) ret = pgm->undeleted = T;
yuuji@0	2414 else if (!strcmp (s+1,"NDRAFT")) ret = pgm->undraft = T;
yuuji@0	2415 else if (!strcmp (s+1,"NFLAGGED")) ret = pgm->unflagged = T;
yuuji@0	2416 else if (!strcmp (s+1,"NKEYWORD") && c == ' ' && *++tail)
yuuji@0	2417 ret = crit_string (&pgm->unkeyword,&tail);
yuuji@0	2418 else if (!strcmp (s+1,"NSEEN")) ret = pgm->unseen = T;
yuuji@0	2419 break;
yuuji@0	2420 case 'Y': /* possible YOUNGER */
yuuji@0	2421 if (!strcmp (s+1,"OUNGER") && c == ' ' && *++tail)
yuuji@0	2422 ret = crit_number (&pgm->younger,&tail);
yuuji@0	2423 break;
yuuji@0	2424 default: /* oh dear */
yuuji@0	2425 break;
yuuji@0	2426 }
yuuji@0	2427 if (ret) { /* only bother if success */
yuuji@0	2428 del = c; / restore delimiter */
yuuji@0	2429 arg = tail; / update argument pointer */
yuuji@0	2430 }
yuuji@0	2431 }
yuuji@0	2432 return ret; /* return more to come */
yuuji@0	2433 }
yuuji@0	2434
yuuji@0	2435 /* Parse a search date criterion
yuuji@0	2436 * Accepts: date to write into
yuuji@0	2437 * pointer to argument text pointer
yuuji@0	2438 * Returns: T if success, NIL if error
yuuji@0	2439 */
yuuji@0	2440
yuuji@0	2441 long crit_date (unsigned short date,unsigned char *arg)
yuuji@0	2442 {
yuuji@0	2443 if (date) return NIL; / can't double this value */
yuuji@0	2444 /* handle quoted form */
yuuji@0	2445 if (**arg != '"') return crit_date_work (date,arg);
yuuji@0	2446 (arg)++; / skip past opening quote */
yuuji@0	2447 if (!(crit_date_work (date,arg) && (**arg == '"'))) return NIL;
yuuji@0	2448 (arg)++; / skip closing quote */
yuuji@0	2449 return T;
yuuji@0	2450 }
yuuji@0	2451
yuuji@0	2452 /* Worker routine to parse a search date criterion
yuuji@0	2453 * Accepts: date to write into
yuuji@0	2454 * pointer to argument text pointer
yuuji@0	2455 * Returns: T if success, NIL if error
yuuji@0	2456 */
yuuji@0	2457
yuuji@0	2458 long crit_date_work (unsigned short date,unsigned char *arg)
yuuji@0	2459 {
yuuji@0	2460 int d,m,y;
yuuji@0	2461 /* day */
yuuji@0	2462 if (isdigit (d = (arg)++) \|\| ((d == ' ') && isdigit (**arg))) {
yuuji@0	2463 if (d == ' ') d = 0; /* leading space */
yuuji@0	2464 else d -= '0'; /* first digit */
yuuji@0	2465 if (isdigit (*arg)) { / if a second digit */
yuuji@0	2466 d = 10; / slide over first digit */
yuuji@0	2467 d += (arg)++ - '0'; /* second digit */
yuuji@0	2468 }
yuuji@0	2469 if ((*arg == '-') && (y = ++(*arg))) {
yuuji@0	2470 m = (y >= 'a' ? y - 'a' : y - 'A') * 1024;
yuuji@0	2471 if ((y = ++(arg))) {
yuuji@0	2472 m += (y >= 'a' ? y - 'a' : y - 'A') * 32;
yuuji@0	2473 if ((y = ++(arg))) {
yuuji@0	2474 m += (y >= 'a' ? y - 'a' : y - 'A');
yuuji@0	2475 switch (m) { /* determine the month */
yuuji@0	2476 case (('J'-'A') * 1024) + (('A'-'A') * 32) + ('N'-'A'): m = 1; break;
yuuji@0	2477 case (('F'-'A') * 1024) + (('E'-'A') * 32) + ('B'-'A'): m = 2; break;
yuuji@0	2478 case (('M'-'A') * 1024) + (('A'-'A') * 32) + ('R'-'A'): m = 3; break;
yuuji@0	2479 case (('A'-'A') * 1024) + (('P'-'A') * 32) + ('R'-'A'): m = 4; break;
yuuji@0	2480 case (('M'-'A') * 1024) + (('A'-'A') * 32) + ('Y'-'A'): m = 5; break;
yuuji@0	2481 case (('J'-'A') * 1024) + (('U'-'A') * 32) + ('N'-'A'): m = 6; break;
yuuji@0	2482 case (('J'-'A') * 1024) + (('U'-'A') * 32) + ('L'-'A'): m = 7; break;
yuuji@0	2483 case (('A'-'A') * 1024) + (('U'-'A') * 32) + ('G'-'A'): m = 8; break;
yuuji@0	2484 case (('S'-'A') * 1024) + (('E'-'A') * 32) + ('P'-'A'): m = 9; break;
yuuji@0	2485 case (('O'-'A') * 1024) + (('C'-'A') * 32) + ('T'-'A'): m = 10;break;
yuuji@0	2486 case (('N'-'A') * 1024) + (('O'-'A') * 32) + ('V'-'A'): m = 11;break;
yuuji@0	2487 case (('D'-'A') * 1024) + (('E'-'A') * 32) + ('C'-'A'): m = 12;break;
yuuji@0	2488 default: return NIL;
yuuji@0	2489 }
yuuji@0	2490 if ((++(arg) == '-') && isdigit (++(arg))) {
yuuji@0	2491 y = 0; /* init year */
yuuji@0	2492 do {
yuuji@0	2493 y = 10; / add this number */
yuuji@0	2494 y += (arg)++ - '0';
yuuji@0	2495 }
yuuji@0	2496 while (isdigit (**arg));
yuuji@0	2497 /* minimal validity check of date */
yuuji@0	2498 if (d < 1 \|\| d > 31 \|\| m < 1 \|\| m > 12 \|\| y < 0) return NIL;
yuuji@0	2499 /* time began on UNIX in 1970 */
yuuji@0	2500 if (y < 100) y += (y >= (BASEYEAR - 1900)) ? 1900 : 2000;
yuuji@0	2501 /* return value */
yuuji@0	2502 *date = mail_shortdate (y - BASEYEAR,m,d);
yuuji@0	2503 return T; /* success */
yuuji@0	2504 }
yuuji@0	2505 }
yuuji@0	2506 }
yuuji@0	2507 }
yuuji@0	2508 }
yuuji@0	2509 return NIL; /* else error */
yuuji@0	2510 }
yuuji@0	2511
yuuji@0	2512 /* Parse a search set criterion
yuuji@0	2513 * Accepts: set to write into
yuuji@0	2514 * pointer to argument text pointer
yuuji@0	2515 * maximum value permitted
yuuji@0	2516 * Returns: T if success, NIL if error
yuuji@0	2517 */
yuuji@0	2518
yuuji@0	2519 long crit_set (SEARCHSET set,unsigned char arg,unsigned long maxima)
yuuji@0	2520 {
yuuji@0	2521 unsigned long i = 0;
yuuji@0	2522 if (set) return NIL; / can't double this value */
yuuji@0	2523 set = mail_newsearchset (); / instantiate a new search set */
yuuji@0	2524 if (*arg == '') { /* maxnum? */
yuuji@0	2525 (arg)++; / skip past that number */
yuuji@0	2526 (*set)->first = maxima;
yuuji@0	2527 }
yuuji@0	2528 else if (crit_number (&i,arg) && i) (*set)->first = i;
yuuji@0	2529 else return NIL; /* bogon */
yuuji@0	2530 switch (*arg) { / decide based on delimiter */
yuuji@0	2531 case ':': /* sequence range */
yuuji@0	2532 i = 0; /* reset for crit_number() */
yuuji@0	2533 if (++(arg) == '') { / maxnum? */
yuuji@0	2534 (arg)++; / skip past that number */
yuuji@0	2535 (*set)->last = maxima;
yuuji@0	2536 }
yuuji@0	2537 else if (crit_number (&i,arg) && i) {
yuuji@0	2538 if (i < (set)->first) { / backwards range */
yuuji@0	2539 (set)->last = (set)->first;
yuuji@0	2540 (*set)->first = i;
yuuji@0	2541 }
yuuji@0	2542 else (set)->last = i; / set last number */
yuuji@0	2543 }
yuuji@0	2544 else return NIL; /* bogon */
yuuji@0	2545 if (*arg != ',') break; / drop into comma case if comma seen */
yuuji@0	2546 case ',':
yuuji@0	2547 (arg)++; / skip past delimiter */
yuuji@0	2548 return crit_set (&(*set)->next,arg,maxima);
yuuji@0	2549 default:
yuuji@0	2550 break;
yuuji@0	2551 }
yuuji@0	2552 return T; /* return success */
yuuji@0	2553 }
yuuji@0	2554
yuuji@0	2555 /* Parse a search number criterion
yuuji@0	2556 * Accepts: number to write into
yuuji@0	2557 * pointer to argument text pointer
yuuji@0	2558 * Returns: T if success, NIL if error
yuuji@0	2559 */
yuuji@0	2560
yuuji@0	2561 long crit_number (unsigned long number,unsigned char *arg)
yuuji@0	2562 {
yuuji@0	2563 /* can't double this value */
yuuji@0	2564 if (number \|\| !isdigit (*arg)) return NIL;
yuuji@0	2565 *number = 0;
yuuji@0	2566 while (isdigit (*arg)) { / found a digit? */
yuuji@0	2567 number = 10; /* add a decade */
yuuji@0	2568 number += (arg)++ - '0'; / add number */
yuuji@0	2569 }
yuuji@0	2570 return T;
yuuji@0	2571 }
yuuji@0	2572
yuuji@0	2573
yuuji@0	2574 /* Parse a search string criterion
yuuji@0	2575 * Accepts: date to write into
yuuji@0	2576 * pointer to argument text pointer
yuuji@0	2577 * Returns: T if success, NIL if error
yuuji@0	2578 */
yuuji@0	2579
yuuji@0	2580 long crit_string (STRINGLIST string,unsigned char arg)
yuuji@0	2581 {
yuuji@0	2582 unsigned long i;
yuuji@0	2583 char c;
yuuji@0	2584 char *s = parse_astring (arg,&i,&c);
yuuji@0	2585 if (!s) return NIL;
yuuji@0	2586 /* find tail of list */
yuuji@0	2587 while (string) string = &(string)->next;
yuuji@0	2588 *string = mail_newstringlist ();
yuuji@0	2589 (string)->text.data = (unsigned char ) fs_get (i + 1);
yuuji@0	2590 memcpy ((*string)->text.data,s,i);
yuuji@0	2591 (*string)->text.data[i] = '\0';
yuuji@0	2592 (*string)->text.size = i;
yuuji@0	2593 /* if end of arguments, wrap it up here */
yuuji@0	2594 if (!arg) arg = (char ) (string)->text.data + i;
yuuji@0	2595 else (--(arg) = c); /* back up pointer, restore delimiter */
yuuji@0	2596 return T;
yuuji@0	2597 }
yuuji@0	2598
yuuji@0	2599 /* Fetch message data
yuuji@0	2600 * Accepts: string of data items to be fetched (must be writeable)
yuuji@0	2601 * UID fetch flag
yuuji@0	2602 */
yuuji@0	2603
yuuji@0	2604 #define MAXFETCH 100
yuuji@0	2605
yuuji@0	2606 void fetch (char *t,unsigned long uid)
yuuji@0	2607 {
yuuji@0	2608 fetchfn_t f[MAXFETCH +2];
yuuji@0	2609 void *fa[MAXFETCH + 2];
yuuji@0	2610 int k;
yuuji@0	2611 memset ((void *) f,NIL,sizeof (f));
yuuji@0	2612 memset ((void *) fa,NIL,sizeof (fa));
yuuji@0	2613 fetch_work (t,uid,f,fa); /* do the work */
yuuji@0	2614 /* clean up arguments */
yuuji@0	2615 for (k = 1; f[k]; k++) if (fa[k]) (*f[k]) (0,fa[k]);
yuuji@0	2616 }
yuuji@0	2617
yuuji@0	2618
yuuji@0	2619 /* Fetch message data worker routine
yuuji@0	2620 * Accepts: string of data items to be fetched (must be writeable)
yuuji@0	2621 * UID fetch flag
yuuji@0	2622 * function dispatch vector
yuuji@0	2623 * function argument vector
yuuji@0	2624 */
yuuji@0	2625
yuuji@0	2626 void fetch_work (char t,unsigned long uid,fetchfn_t f[],void fa[])
yuuji@0	2627 {
yuuji@0	2628 unsigned char s,v;
yuuji@0	2629 unsigned long i;
yuuji@0	2630 unsigned long k = 0;
yuuji@0	2631 BODY *b;
yuuji@0	2632 int list = NIL;
yuuji@0	2633 int parse_envs = NIL;
yuuji@0	2634 int parse_bodies = NIL;
yuuji@0	2635 if (uid) { /* need to fetch UIDs? */
yuuji@0	2636 fa[k] = NIL; /* no argument */
yuuji@0	2637 f[k++] = fetch_uid; /* push a UID fetch on the stack */
yuuji@0	2638 }
yuuji@0	2639
yuuji@0	2640 /* process macros */
yuuji@0	2641 if (!strcmp (ucase (t),"ALL"))
yuuji@0	2642 strcpy (t,"(FLAGS INTERNALDATE RFC822.SIZE ENVELOPE)");
yuuji@0	2643 else if (!strcmp (t,"FULL"))
yuuji@0	2644 strcpy (t,"(FLAGS INTERNALDATE RFC822.SIZE ENVELOPE BODY)");
yuuji@0	2645 else if (!strcmp (t,"FAST")) strcpy (t,"(FLAGS INTERNALDATE RFC822.SIZE)");
yuuji@0	2646 if (list = (t == '(')) t++; / skip open paren */
yuuji@0	2647 if (s = strtok (t," ")) do { /* parse attribute list */
yuuji@0	2648 if (list && (i = strlen (s)) && (s[i-1] == ')')) {
yuuji@0	2649 list = NIL; /* done with list */
yuuji@0	2650 s[i-1] = '\0'; /* tie off last item */
yuuji@0	2651 }
yuuji@0	2652 fa[k] = NIL; /* default to no argument */
yuuji@0	2653 if (!strcmp (s,"UID")) { /* no-op if implicit */
yuuji@0	2654 if (!uid) f[k++] = fetch_uid;
yuuji@0	2655 }
yuuji@0	2656 else if (!strcmp (s,"FLAGS")) f[k++] = fetch_flags;
yuuji@0	2657 else if (!strcmp (s,"INTERNALDATE")) f[k++] = fetch_internaldate;
yuuji@0	2658 else if (!strcmp (s,"RFC822.SIZE")) f[k++] = fetch_rfc822_size;
yuuji@0	2659 else if (!strcmp (s,"ENVELOPE")) {
yuuji@0	2660 parse_envs = T; /* we will need to parse envelopes */
yuuji@0	2661 f[k++] = fetch_envelope;
yuuji@0	2662 }
yuuji@0	2663 else if (!strcmp (s,"BODY")) {
yuuji@0	2664 parse_envs = parse_bodies = T;
yuuji@0	2665 f[k++] = fetch_body;
yuuji@0	2666 }
yuuji@0	2667 else if (!strcmp (s,"BODYSTRUCTURE")) {
yuuji@0	2668 parse_envs = parse_bodies = T;
yuuji@0	2669 f[k++] = fetch_bodystructure;
yuuji@0	2670 }
yuuji@0	2671 else if (!strcmp (s,"RFC822")) {
yuuji@0	2672 fa[k] = s[6] ? (void *) FT_PEEK : NIL;
yuuji@0	2673 f[k++] = fetch_rfc822;
yuuji@0	2674 }
yuuji@0	2675 else if (!strcmp (s,"RFC822.HEADER")) f[k++] = fetch_rfc822_header;
yuuji@0	2676 else if (!strcmp (s,"RFC822.TEXT")) {
yuuji@0	2677 fa[k] = s[11] ? (void *) FT_PEEK : NIL;
yuuji@0	2678 f[k++] = fetch_rfc822_text;
yuuji@0	2679 }
yuuji@0	2680
yuuji@0	2681 else if (!strncmp (s,"BODY[",5) \|\| !strncmp (s,"BODY.PEEK[",10) \|\|
yuuji@0	2682 !strncmp (s,"BINARY[",7) \|\| !strncmp (s,"BINARY.PEEK[",12) \|\|
yuuji@0	2683 !strncmp (s,"BINARY.SIZE[",12)) {
yuuji@0	2684 TEXTARGS ta = (TEXTARGS )
yuuji@0	2685 memset (fs_get (sizeof (TEXTARGS)),0,sizeof (TEXTARGS));
yuuji@0	2686 if (s[1] == 'I') { /* body or binary? */
yuuji@0	2687 ta->binary = FTB_BINARY;/* binary */
yuuji@0	2688 f[k] = fetch_body_part_binary;
yuuji@0	2689 if (s[6] == '.') { /* wanted peek or size? */
yuuji@0	2690 if (s[7] == 'P') ta->flags = FT_PEEK;
yuuji@0	2691 else ta->binary \|= FTB_SIZE;
yuuji@0	2692 s += 12; /* skip to section specifier */
yuuji@0	2693 }
yuuji@0	2694 else s += 7; /* skip to section specifier */
yuuji@0	2695 if (!isdigit (s)) { / make sure top-level digit */
yuuji@0	2696 fs_give ((void **) &ta);
yuuji@0	2697 response = badbin;
yuuji@0	2698 return;
yuuji@0	2699 }
yuuji@0	2700 }
yuuji@0	2701 else { /* body */
yuuji@0	2702 f[k] = fetch_body_part_contents;
yuuji@0	2703 if (s[4] == '.') { /* wanted peek? */
yuuji@0	2704 ta->flags = FT_PEEK;
yuuji@0	2705 s += 10; /* skip to section specifier */
yuuji@0	2706 }
yuuji@0	2707 else s += 5; /* skip to section specifier */
yuuji@0	2708 }
yuuji@0	2709 if ((v = s) != ']') { / non-empty section specifier? */
yuuji@0	2710 if (isdigit (v)) { / have section specifier? */
yuuji@0	2711 /* need envelopes and bodies */
yuuji@0	2712 parse_envs = parse_bodies = T;
yuuji@0	2713 while (isdigit (v)) / scan to end of section specifier */
yuuji@0	2714 if ((*++v == '.') && isdigit (v[1])) v++;
yuuji@0	2715 /* any IMAP4rev1 stuff following? */
yuuji@0	2716 if ((*v == '.') && isalpha (v[1])) {
yuuji@0	2717 if (ta->binary) { /* not if binary you don't */
yuuji@0	2718 fs_give ((void **) &ta);
yuuji@0	2719 response = badbin;
yuuji@0	2720 return;
yuuji@0	2721 }
yuuji@0	2722 v++ = '\0'; / yes, tie off section specifier */
yuuji@0	2723 if (!strncmp (v,"MIME",4)) {
yuuji@0	2724 v += 4; /* found <section>.MIME */
yuuji@0	2725 f[k] = fetch_body_part_mime;
yuuji@0	2726 }
yuuji@0	2727 }
yuuji@0	2728 else if (v != ']') { / better be the end if no IMAP4rev1 stuff */
yuuji@0	2729 fs_give ((void *) &ta);/ clean up */
yuuji@0	2730 response = "%.80s BAD Syntax error in section specifier\015\012";
yuuji@0	2731 return;
yuuji@0	2732 }
yuuji@0	2733 }
yuuji@0	2734
yuuji@0	2735 if (v != ']') { / IMAP4rev1 stuff here? */
yuuji@0	2736 if (!strncmp (v,"HEADER",6)) {
yuuji@0	2737 v = '\0'; / tie off in case top level */
yuuji@0	2738 v += 6; /* found [<section>.]HEADER */
yuuji@0	2739 f[k] = fetch_body_part_header;
yuuji@0	2740 /* partial headers wanted? */
yuuji@0	2741 if (!strncmp (v,".FIELDS",7)) {
yuuji@0	2742 v += 7; /* yes */
yuuji@0	2743 if (!strncmp (v,".NOT",4)) {
yuuji@0	2744 v += 4; /* want to exclude named headers */
yuuji@0	2745 ta->flags \|= FT_NOT;
yuuji@0	2746 }
yuuji@0	2747 if (*v \|\| !(v = strtok (NIL,"\015\012")) \|\|
yuuji@0	2748 !(ta->lines = parse_stringlist (&v,&list))) {
yuuji@0	2749 fs_give ((void *) &ta);/ clean up */
yuuji@0	2750 response = "%.80s BAD Syntax error in header fields\015\012";
yuuji@0	2751 return;
yuuji@0	2752 }
yuuji@0	2753 }
yuuji@0	2754 }
yuuji@0	2755 else if (!strncmp (v,"TEXT",4)) {
yuuji@0	2756 v = '\0'; / tie off in case top level */
yuuji@0	2757 v += 4; /* found [<section>.]TEXT */
yuuji@0	2758 f[k] = fetch_body_part_text;
yuuji@0	2759 }
yuuji@0	2760 else {
yuuji@0	2761 fs_give ((void *) &ta);/ clean up */
yuuji@0	2762 response = "%.80s BAD Unknown section text specifier\015\012";
yuuji@0	2763 return;
yuuji@0	2764 }
yuuji@0	2765 }
yuuji@0	2766 }
yuuji@0	2767 /* tie off section */
yuuji@0	2768 if (v == ']') v++ = '\0';
yuuji@0	2769 else { /* bogon */
yuuji@0	2770 if (ta->lines) mail_free_stringlist (&ta->lines);
yuuji@0	2771 fs_give ((void *) &ta);/ clean up */
yuuji@0	2772 response = "%.80s BAD Section specifier not terminated\015\012";
yuuji@0	2773 return;
yuuji@0	2774 }
yuuji@0	2775
yuuji@0	2776 if ((v == '<') && / partial specifier? */
yuuji@0	2777 ((ta->binary & FTB_SIZE) \|\|
yuuji@0	2778 !(isdigit (v[1]) && ((ta->first = strtoul (v+1,(char **) &v,10)) \|\|
yuuji@0	2779 v) &&
yuuji@0	2780 (v++ == '.') && (ta->last = strtoul (v,(char *) &v,10)) &&
yuuji@0	2781 (*v++ == '>')))) {
yuuji@0	2782 if (ta->lines) mail_free_stringlist (&ta->lines);
yuuji@0	2783 fs_give ((void **) &ta);
yuuji@0	2784 response ="%.80s BAD Syntax error in partial text specifier\015\012";
yuuji@0	2785 return;
yuuji@0	2786 }
yuuji@0	2787 switch (v) { / what's there now? */
yuuji@0	2788 case ' ': /* more follows */
yuuji@0	2789 --v = ' '; / patch a space back in */
yuuji@0	2790 --v = 'x'; / and a hokey character before that */
yuuji@0	2791 strtok (v," "); /* reset strtok mechanism */
yuuji@0	2792 break;
yuuji@0	2793 case '\0': /* none */
yuuji@0	2794 break;
yuuji@0	2795 case ')': /* end of list */
yuuji@0	2796 if (list && !v[1]) { /* make sure of that */
yuuji@0	2797 list = NIL;
yuuji@0	2798 strtok (v," "); /* reset strtok mechanism */
yuuji@0	2799 break; /* all done */
yuuji@0	2800 }
yuuji@0	2801 /* otherwise it's a bogon, drop in */
yuuji@0	2802 default: /* bogon */
yuuji@0	2803 if (ta->lines) mail_free_stringlist (&ta->lines);
yuuji@0	2804 fs_give ((void **) &ta);
yuuji@0	2805 response = "%.80s BAD Syntax error after section specifier\015\012";
yuuji@0	2806 return;
yuuji@0	2807 }
yuuji@0	2808 /* make copy of section specifier */
yuuji@0	2809 if (s && *s) ta->section = cpystr (s);
yuuji@0	2810 fa[k++] = (void ) ta; / set argument */
yuuji@0	2811 }
yuuji@0	2812 else { /* unknown attribute */
yuuji@0	2813 response = badatt;
yuuji@0	2814 return;
yuuji@0	2815 }
yuuji@0	2816 } while ((s = strtok (NIL," ")) && (k < MAXFETCH) && list);
yuuji@0	2817 else {
yuuji@0	2818 response = misarg; /* missing attribute list */
yuuji@0	2819 return;
yuuji@0	2820 }
yuuji@0	2821
yuuji@0	2822 if (s) { /* too many attributes? */
yuuji@0	2823 response = "%.80s BAD Excessively complex FETCH attribute list\015\012";
yuuji@0	2824 return;
yuuji@0	2825 }
yuuji@0	2826 if (list) { /* too many attributes? */
yuuji@0	2827 response = "%.80s BAD Unterminated FETCH attribute list\015\012";
yuuji@0	2828 return;
yuuji@0	2829 }
yuuji@0	2830 f[k] = NIL; /* tie off attribute list */
yuuji@0	2831 /* c-client clobbers sequence, use spare */
yuuji@0	2832 for (i = 1; i <= nmsgs; i++)
yuuji@0	2833 mail_elt (stream,i)->spare = mail_elt (stream,i)->sequence;
yuuji@0	2834 /* for each requested message */
yuuji@0	2835 for (i = 1; (i <= nmsgs) && (response != loseunknowncte); i++) {
yuuji@0	2836 /* kill if dying */
yuuji@0	2837 if (state == LOGOUT) longjmp (jmpenv,1);
yuuji@0	2838 if (mail_elt (stream,i)->spare) {
yuuji@0	2839 /* parse envelope, set body, do warnings */
yuuji@0	2840 if (parse_envs) mail_fetchstructure (stream,i,parse_bodies ? &b : NIL);
yuuji@0	2841 quell_events = T; /* can't do any events now */
yuuji@0	2842 PSOUT ("* "); /* leader */
yuuji@0	2843 pnum (i);
yuuji@0	2844 PSOUT (" FETCH (");
yuuji@0	2845 (f[0]) (i,fa[0]); / do first attribute */
yuuji@0	2846 /* for each subsequent attribute */
yuuji@0	2847 for (k = 1; f[k] && (response != loseunknowncte); k++) {
yuuji@0	2848 PBOUT (' '); /* delimit with space */
yuuji@0	2849 (f[k]) (i,fa[k]); / do that attribute */
yuuji@0	2850 }
yuuji@0	2851 PSOUT (")\015\012"); /* trailer */
yuuji@0	2852 quell_events = NIL; /* events alright now */
yuuji@0	2853 }
yuuji@0	2854 }
yuuji@0	2855 }
yuuji@0	2856
yuuji@0	2857 /* Fetch message body structure (extensible)
yuuji@0	2858 * Accepts: message number
yuuji@0	2859 * extra argument
yuuji@0	2860 */
yuuji@0	2861
yuuji@0	2862 void fetch_bodystructure (unsigned long i,void *args)
yuuji@0	2863 {
yuuji@0	2864 BODY *body;
yuuji@0	2865 mail_fetchstructure (stream,i,&body);
yuuji@0	2866 PSOUT ("BODYSTRUCTURE ");
yuuji@0	2867 pbodystructure (body); /* output body */
yuuji@0	2868 }
yuuji@0	2869
yuuji@0	2870
yuuji@0	2871 /* Fetch message body structure (non-extensible)
yuuji@0	2872 * Accepts: message number
yuuji@0	2873 * extra argument
yuuji@0	2874 */
yuuji@0	2875
yuuji@0	2876
yuuji@0	2877 void fetch_body (unsigned long i,void *args)
yuuji@0	2878 {
yuuji@0	2879 BODY *body;
yuuji@0	2880 mail_fetchstructure (stream,i,&body);
yuuji@0	2881 PSOUT ("BODY "); /* output attribute */
yuuji@0	2882 pbody (body); /* output body */
yuuji@0	2883 }
yuuji@0	2884
yuuji@0	2885 /* Fetch body part MIME header
yuuji@0	2886 * Accepts: message number
yuuji@0	2887 * extra argument
yuuji@0	2888 */
yuuji@0	2889
yuuji@0	2890 void fetch_body_part_mime (unsigned long i,void *args)
yuuji@0	2891 {
yuuji@0	2892 TEXTARGS ta = (TEXTARGS ) args;
yuuji@0	2893 if (i) { /* do work? */
yuuji@0	2894 SIZEDTEXT st;
yuuji@0	2895 unsigned long uid = mail_uid (stream,i);
yuuji@0	2896 char tmp = (char ) fs_get (100 + strlen (ta->section));
yuuji@0	2897 sprintf (tmp,"BODY[%s.MIME]",ta->section);
yuuji@0	2898 /* try to use remembered text */
yuuji@0	2899 if (lastuid && (uid == lastuid) && !strcmp (tmp,lastid)) st = lastst;
yuuji@0	2900 else { /* get data */
yuuji@0	2901 st.data = (unsigned char *)
yuuji@0	2902 mail_fetch_mime (stream,i,ta->section,&st.size,ta->flags);
yuuji@0	2903 if (ta->first \|\| ta->last) remember (uid,tmp,&st);
yuuji@0	2904 }
yuuji@0	2905 pbodypartstring (i,tmp,&st,NIL,ta);
yuuji@0	2906 fs_give ((void **) &tmp);
yuuji@0	2907 }
yuuji@0	2908 else { /* clean up the arguments */
yuuji@0	2909 fs_give ((void **) &ta->section);
yuuji@0	2910 fs_give ((void **) &args);
yuuji@0	2911 }
yuuji@0	2912 }
yuuji@0	2913
yuuji@0	2914
yuuji@0	2915 /* Fetch body part contents
yuuji@0	2916 * Accepts: message number
yuuji@0	2917 * extra argument
yuuji@0	2918 */
yuuji@0	2919
yuuji@0	2920 void fetch_body_part_contents (unsigned long i,void *args)
yuuji@0	2921 {
yuuji@0	2922 TEXTARGS ta = (TEXTARGS ) args;
yuuji@0	2923 if (i) { /* do work? */
yuuji@0	2924 SIZEDTEXT st;
yuuji@0	2925 char tmp = (char ) fs_get (100+(ta->section ? strlen (ta->section) : 0));
yuuji@0	2926 unsigned long uid = mail_uid (stream,i);
yuuji@0	2927 sprintf (tmp,"BODY[%s]",ta->section ? ta->section : "");
yuuji@0	2928 /* try to use remembered text */
yuuji@0	2929 if (lastuid && (uid == lastuid) && !strcmp (tmp,lastid)) st = lastst;
yuuji@0	2930 /* get data */
yuuji@0	2931 else if ((st.data = (unsigned char *)
yuuji@0	2932 mail_fetch_body (stream,i,ta->section,&st.size,
yuuji@0	2933 ta->flags \| FT_RETURNSTRINGSTRUCT)) &&
yuuji@0	2934 (ta->first \|\| ta->last)) remember (uid,tmp,&st);
yuuji@0	2935 pbodypartstring (i,tmp,&st,&stream->private.string,ta);
yuuji@0	2936 fs_give ((void **) &tmp);
yuuji@0	2937 }
yuuji@0	2938 else { /* clean up the arguments */
yuuji@0	2939 if (ta->section) fs_give ((void **) &ta->section);
yuuji@0	2940 fs_give ((void **) &args);
yuuji@0	2941 }
yuuji@0	2942 }
yuuji@0	2943
yuuji@0	2944 /* Fetch body part binary
yuuji@0	2945 * Accepts: message number
yuuji@0	2946 * extra argument
yuuji@0	2947 * Someday fix this to use stringstruct instead of memory
yuuji@0	2948 */
yuuji@0	2949
yuuji@0	2950 void fetch_body_part_binary (unsigned long i,void *args)
yuuji@0	2951 {
yuuji@0	2952 TEXTARGS ta = (TEXTARGS ) args;
yuuji@0	2953 if (i) { /* do work? */
yuuji@0	2954 SIZEDTEXT st,cst;
yuuji@0	2955 BODY *body = mail_body (stream,i,ta->section);
yuuji@0	2956 char tmp = (char ) fs_get (100+(ta->section ? strlen (ta->section) : 0));
yuuji@0	2957 unsigned long uid = mail_uid (stream,i);
yuuji@0	2958 /* try to use remembered text */
yuuji@0	2959 if (lastuid && (uid == lastuid) && !strcmp (tmp,lastid)) st = lastst;
yuuji@0	2960 else { /* get data */
yuuji@0	2961 st.data = (unsigned char *)
yuuji@0	2962 mail_fetch_body (stream,i,ta->section,&st.size,ta->flags);
yuuji@0	2963 if (ta->first \|\| ta->last) remember (uid,tmp,&st);
yuuji@0	2964 }
yuuji@0	2965 /* what encoding was used? */
yuuji@0	2966 if (body) switch (body->encoding) {
yuuji@0	2967 case ENCBASE64:
yuuji@0	2968 if (cst.data = rfc822_base64 (st.data,st.size,&cst.size)) break;
yuuji@0	2969 fetch_uid (i,NIL); /* wrote a space, so must do something */
yuuji@0	2970 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	2971 lsterr = cpystr ("Undecodable BASE64 contents");
yuuji@0	2972 response = loseunknowncte;
yuuji@0	2973 fs_give ((void **) &tmp);
yuuji@0	2974 return;
yuuji@0	2975 case ENCQUOTEDPRINTABLE:
yuuji@0	2976 if (cst.data = rfc822_qprint (st.data,st.size,&cst.size)) break;
yuuji@0	2977 fetch_uid (i,NIL); /* wrote a space, so must do something */
yuuji@0	2978 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	2979 lsterr = cpystr ("Undecodable QUOTED-PRINTABLE contents");
yuuji@0	2980 response = loseunknowncte;
yuuji@0	2981 fs_give ((void **) &tmp);
yuuji@0	2982 return;
yuuji@0	2983 case ENC7BIT: /* no need to convert any of these */
yuuji@0	2984 case ENC8BIT:
yuuji@0	2985 case ENCBINARY:
yuuji@0	2986 cst.data = NIL; /* no converted data to free */
yuuji@0	2987 break;
yuuji@0	2988 default: /* unknown encoding, oops */
yuuji@0	2989 fetch_uid (i,NIL); /* wrote a space, so must do something */
yuuji@0	2990 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	2991 lsterr = cpystr ("Unknown Content-Transfer-Encoding");
yuuji@0	2992 response = loseunknowncte;
yuuji@0	2993 fs_give ((void **) &tmp);
yuuji@0	2994 return;
yuuji@0	2995 }
yuuji@0	2996 else {
yuuji@0	2997 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	2998 lsterr = cpystr ("Invalid body part");
yuuji@0	2999 response = loseunknowncte;
yuuji@0	3000 fs_give ((void **) &tmp);
yuuji@0	3001 return;
yuuji@0	3002 }
yuuji@0	3003
yuuji@0	3004 /* use decoded version if exists */
yuuji@0	3005 if (cst.data) memcpy ((void ) &st,(void ) &cst,sizeof (SIZEDTEXT));
yuuji@0	3006 if (ta->binary & FTB_SIZE) {/* just want size? */
yuuji@0	3007 sprintf (tmp,"BINARY.SIZE[%s] %lu",ta->section ? ta->section : "",
yuuji@0	3008 st.size);
yuuji@0	3009 PSOUT (tmp);
yuuji@0	3010 }
yuuji@0	3011 else { /* no, blat binary data */
yuuji@0	3012 int f = mail_elt (stream,i)->seen;
yuuji@0	3013 if (st.data) { /* only if have useful data */
yuuji@0	3014 /* partial specifier */
yuuji@0	3015 if (ta->first \|\| ta->last)
yuuji@0	3016 sprintf (tmp,"BINARY[%s]<%lu> ",
yuuji@0	3017 ta->section ? ta->section : "",ta->first);
yuuji@0	3018 else sprintf (tmp,"BINARY[%s] ",ta->section ? ta->section : "");
yuuji@0	3019 /* in case first byte beyond end of text */
yuuji@0	3020 if (st.size <= ta->first) st.size = ta->first = 0;
yuuji@0	3021 else { /* offset and truncate */
yuuji@0	3022 st.data += ta->first; /* move to desired position */
yuuji@0	3023 st.size -= ta->first; /* reduced size */
yuuji@0	3024 if (ta->last && (st.size > ta->last)) st.size = ta->last;
yuuji@0	3025 }
yuuji@0	3026 if (st.size) sprintf (tmp + strlen (tmp),"{%lu}\015\012",st.size);
yuuji@0	3027 else strcat (tmp,"\"\"");
yuuji@0	3028 PSOUT (tmp); /* write binary output */
yuuji@0	3029 if (st.size && (PSOUTR (&st) == EOF)) ioerror(stdout,"writing binary");
yuuji@0	3030 }
yuuji@0	3031 else {
yuuji@0	3032 sprintf (tmp,"BINARY[%s] NIL",ta->section ? ta->section : "");
yuuji@0	3033 PSOUT (tmp);
yuuji@0	3034 }
yuuji@0	3035 changed_flags (i,f); /* write changed flags */
yuuji@0	3036 }
yuuji@0	3037 /* free converted data */
yuuji@0	3038 if (cst.data) fs_give ((void **) &cst.data);
yuuji@0	3039 fs_give ((void *) &tmp); / and temporary string */
yuuji@0	3040 }
yuuji@0	3041 else { /* clean up the arguments */
yuuji@0	3042 if (ta->section) fs_give ((void **) &ta->section);
yuuji@0	3043 fs_give ((void **) &args);
yuuji@0	3044 }
yuuji@0	3045 }
yuuji@0	3046
yuuji@0	3047 /* Fetch MESSAGE/RFC822 body part header
yuuji@0	3048 * Accepts: message number
yuuji@0	3049 * extra argument
yuuji@0	3050 */
yuuji@0	3051
yuuji@0	3052 void fetch_body_part_header (unsigned long i,void *args)
yuuji@0	3053 {
yuuji@0	3054 TEXTARGS ta = (TEXTARGS ) args;
yuuji@0	3055 unsigned long len = 100 + (ta->section ? strlen (ta->section) : 0);
yuuji@0	3056 STRINGLIST *s;
yuuji@0	3057 for (s = ta->lines; s; s = s->next) len += s->text.size + 1;
yuuji@0	3058 if (i) { /* do work? */
yuuji@0	3059 SIZEDTEXT st;
yuuji@0	3060 char tmp = (char ) fs_get (len);
yuuji@0	3061 PSOUT ("BODY[");
yuuji@0	3062 /* output attribute */
yuuji@0	3063 if (ta->section && *ta->section) {
yuuji@0	3064 PSOUT (ta->section);
yuuji@0	3065 PBOUT ('.');
yuuji@0	3066 }
yuuji@0	3067 PSOUT ("HEADER");
yuuji@0	3068 if (ta->lines) {
yuuji@0	3069 PSOUT ((ta->flags & FT_NOT) ? ".FIELDS.NOT " : ".FIELDS ");
yuuji@0	3070 pastringlist (ta->lines);
yuuji@0	3071 }
yuuji@0	3072 strcpy (tmp,"]"); /* close section specifier */
yuuji@0	3073 st.data = (unsigned char ) / get data (no hope in using remember here) */
yuuji@0	3074 mail_fetch_header (stream,i,ta->section,ta->lines,&st.size,ta->flags);
yuuji@0	3075 pbodypartstring (i,tmp,&st,NIL,ta);
yuuji@0	3076 fs_give ((void **) &tmp);
yuuji@0	3077 }
yuuji@0	3078 else { /* clean up the arguments */
yuuji@0	3079 if (ta->lines) mail_free_stringlist (&ta->lines);
yuuji@0	3080 if (ta->section) fs_give ((void **) &ta->section);
yuuji@0	3081 fs_give ((void **) &args);
yuuji@0	3082 }
yuuji@0	3083 }
yuuji@0	3084
yuuji@0	3085 /* Fetch MESSAGE/RFC822 body part text
yuuji@0	3086 * Accepts: message number
yuuji@0	3087 * extra argument
yuuji@0	3088 */
yuuji@0	3089
yuuji@0	3090 void fetch_body_part_text (unsigned long i,void *args)
yuuji@0	3091 {
yuuji@0	3092 TEXTARGS ta = (TEXTARGS ) args;
yuuji@0	3093 if (i) { /* do work? */
yuuji@0	3094 SIZEDTEXT st;
yuuji@0	3095 char tmp = (char ) fs_get (100+(ta->section ? strlen (ta->section) : 0));
yuuji@0	3096 unsigned long uid = mail_uid (stream,i);
yuuji@0	3097 /* output attribute */
yuuji@0	3098 if (ta->section && *ta->section) sprintf (tmp,"BODY[%s.TEXT]",ta->section);
yuuji@0	3099 else strcpy (tmp,"BODY[TEXT]");
yuuji@0	3100 /* try to use remembered text */
yuuji@0	3101 if (lastuid && (uid == lastuid) && !strcmp (tmp,lastid)) st = lastst;
yuuji@0	3102 /* get data */
yuuji@0	3103 else if ((st.data = (unsigned char *)
yuuji@0	3104 mail_fetch_text (stream,i,ta->section,&st.size,
yuuji@0	3105 ta->flags \| FT_RETURNSTRINGSTRUCT)) &&
yuuji@0	3106 (ta->first \|\| ta->last)) remember (uid,tmp,&st);
yuuji@0	3107 pbodypartstring (i,tmp,&st,&stream->private.string,ta);
yuuji@0	3108 fs_give ((void **) &tmp);
yuuji@0	3109 }
yuuji@0	3110 else { /* clean up the arguments */
yuuji@0	3111 if (ta->section) fs_give ((void **) &ta->section);
yuuji@0	3112 fs_give ((void **) &args);
yuuji@0	3113 }
yuuji@0	3114 }
yuuji@0	3115
yuuji@0	3116
yuuji@0	3117 /* Remember body part text for subsequent partial fetching
yuuji@0	3118 * Accepts: message UID
yuuji@0	3119 * body part id
yuuji@0	3120 * text
yuuji@0	3121 * string
yuuji@0	3122 */
yuuji@0	3123
yuuji@0	3124 void remember (unsigned long uid,char id,SIZEDTEXT st)
yuuji@0	3125 {
yuuji@0	3126 lastuid = uid; /* remember UID */
yuuji@0	3127 if (lastid) fs_give ((void **) &lastid);
yuuji@0	3128 lastid = cpystr (id); /* remember body part id */
yuuji@0	3129 if (lastst.data) fs_give ((void **) &lastst.data);
yuuji@0	3130 /* remember text */
yuuji@0	3131 lastst.data = (unsigned char *)
yuuji@0	3132 memcpy (fs_get (st->size + 1),st->data,st->size);
yuuji@0	3133 lastst.size = st->size;
yuuji@0	3134 }
yuuji@0	3135
yuuji@0	3136
yuuji@0	3137 /* Fetch envelope
yuuji@0	3138 * Accepts: message number
yuuji@0	3139 * extra argument
yuuji@0	3140 */
yuuji@0	3141
yuuji@0	3142 void fetch_envelope (unsigned long i,void *args)
yuuji@0	3143 {
yuuji@0	3144 ENVELOPE *env = mail_fetchenvelope (stream,i);
yuuji@0	3145 PSOUT ("ENVELOPE "); /* output attribute */
yuuji@0	3146 penv (env); /* output envelope */
yuuji@0	3147 }
yuuji@0	3148
yuuji@0	3149 /* Fetch flags
yuuji@0	3150 * Accepts: message number
yuuji@0	3151 * extra argument
yuuji@0	3152 */
yuuji@0	3153
yuuji@0	3154 void fetch_flags (unsigned long i,void *args)
yuuji@0	3155 {
yuuji@0	3156 unsigned long u;
yuuji@0	3157 char *t,tmp[MAILTMPLEN];
yuuji@0	3158 int c = NIL;
yuuji@0	3159 MESSAGECACHE *elt = mail_elt (stream,i);
yuuji@0	3160 if (!elt->valid) { /* have valid flags yet? */
yuuji@0	3161 sprintf (tmp,"%lu",i);
yuuji@0	3162 mail_fetch_flags (stream,tmp,NIL);
yuuji@0	3163 }
yuuji@0	3164 PSOUT ("FLAGS ("); /* output attribute */
yuuji@0	3165 /* output system flags */
yuuji@0	3166 if (elt->recent) put_flag (&c,"\\Recent");
yuuji@0	3167 if (elt->seen) put_flag (&c,"\\Seen");
yuuji@0	3168 if (elt->deleted) put_flag (&c,"\\Deleted");
yuuji@0	3169 if (elt->flagged) put_flag (&c,"\\Flagged");
yuuji@0	3170 if (elt->answered) put_flag (&c,"\\Answered");
yuuji@0	3171 if (elt->draft) put_flag (&c,"\\Draft");
yuuji@0	3172 if (u = elt->user_flags) do /* any user flags? */
yuuji@0	3173 if (t = stream->user_flags[find_rightmost_bit (&u)]) put_flag (&c,t);
yuuji@0	3174 while (u); /* until no more user flags */
yuuji@0	3175 PBOUT (')'); /* end of flags */
yuuji@0	3176 elt->spare2 = NIL; /* we've sent the update */
yuuji@0	3177 }
yuuji@0	3178
yuuji@0	3179
yuuji@0	3180 /* Output a flag
yuuji@0	3181 * Accepts: pointer to current delimiter character
yuuji@0	3182 * flag to output
yuuji@0	3183 * Changes delimiter character to space
yuuji@0	3184 */
yuuji@0	3185
yuuji@0	3186 void put_flag (int c,char s)
yuuji@0	3187 {
yuuji@0	3188 if (c) PBOUT (c); /* put delimiter */
yuuji@0	3189 PSOUT (s); /* dump flag */
yuuji@0	3190 c = ' '; / change delimiter if necessary */
yuuji@0	3191 }
yuuji@0	3192
yuuji@0	3193
yuuji@0	3194 /* Output flags if was unseen
yuuji@0	3195 * Accepts: message number
yuuji@0	3196 * prior value of Seen flag
yuuji@0	3197 */
yuuji@0	3198
yuuji@0	3199 void changed_flags (unsigned long i,int f)
yuuji@0	3200 {
yuuji@0	3201 /* was unseen, now seen? */
yuuji@0	3202 if (!f && mail_elt (stream,i)->seen) {
yuuji@0	3203 PBOUT (' '); /* yes, delimit with space */
yuuji@0	3204 fetch_flags (i,NIL); /* output flags */
yuuji@0	3205 }
yuuji@0	3206 }
yuuji@0	3207
yuuji@0	3208 /* Fetch message internal date
yuuji@0	3209 * Accepts: message number
yuuji@0	3210 * extra argument
yuuji@0	3211 */
yuuji@0	3212
yuuji@0	3213 void fetch_internaldate (unsigned long i,void *args)
yuuji@0	3214 {
yuuji@0	3215 char tmp[MAILTMPLEN];
yuuji@0	3216 MESSAGECACHE *elt = mail_elt (stream,i);
yuuji@0	3217 if (!elt->day) { /* have internal date yet? */
yuuji@0	3218 sprintf (tmp,"%lu",i);
yuuji@0	3219 mail_fetch_fast (stream,tmp,NIL);
yuuji@0	3220 }
yuuji@0	3221 PSOUT ("INTERNALDATE \"");
yuuji@0	3222 PSOUT (mail_date (tmp,elt));
yuuji@0	3223 PBOUT ('"');
yuuji@0	3224 }
yuuji@0	3225
yuuji@0	3226
yuuji@0	3227 /* Fetch unique identifier
yuuji@0	3228 * Accepts: message number
yuuji@0	3229 * extra argument
yuuji@0	3230 */
yuuji@0	3231
yuuji@0	3232 void fetch_uid (unsigned long i,void *args)
yuuji@0	3233 {
yuuji@0	3234 PSOUT ("UID ");
yuuji@0	3235 pnum (mail_uid (stream,i));
yuuji@0	3236 }
yuuji@0	3237
yuuji@0	3238 /* Fetch complete RFC-822 format message
yuuji@0	3239 * Accepts: message number
yuuji@0	3240 * extra argument
yuuji@0	3241 */
yuuji@0	3242
yuuji@0	3243 void fetch_rfc822 (unsigned long i,void *args)
yuuji@0	3244 {
yuuji@0	3245 if (i) { /* do work? */
yuuji@0	3246 int f = mail_elt (stream,i)->seen;
yuuji@0	3247 #if 0
yuuji@0	3248 SIZEDTEXT st;
yuuji@0	3249 st.data = (unsigned char *)
yuuji@0	3250 mail_fetch_message (stream,i,&st.size,(long) args);
yuuji@0	3251 pbodypartstring (i,"RFC822",&st,NIL,NIL);
yuuji@0	3252 #else
yuuji@0	3253 /* Yes, this version is bletcherous, but mail_fetch_message() requires
yuuji@0	3254 too much memory */
yuuji@0	3255 SIZEDTEXT txt,hdr;
yuuji@0	3256 char *s = mail_fetch_header (stream,i,NIL,NIL,&hdr.size,FT_PEEK);
yuuji@0	3257 hdr.data = (unsigned char *) memcpy (fs_get (hdr.size),s,hdr.size);
yuuji@0	3258 txt.data = (unsigned char *)
yuuji@0	3259 mail_fetch_text (stream,i,NIL,&txt.size,
yuuji@0	3260 ((long) args) \| FT_RETURNSTRINGSTRUCT);
yuuji@0	3261 PSOUT ("RFC822 {");
yuuji@0	3262 pnum (hdr.size + txt.size);
yuuji@0	3263 PSOUT ("}\015\012");
yuuji@0	3264 ptext (&hdr,NIL);
yuuji@0	3265 ptext (&txt,&stream->private.string);
yuuji@0	3266 fs_give ((void **) &hdr.data);
yuuji@0	3267 #endif
yuuji@0	3268 changed_flags (i,f); /* output changed flags */
yuuji@0	3269 }
yuuji@0	3270 }
yuuji@0	3271
yuuji@0	3272
yuuji@0	3273 /* Fetch RFC-822 header
yuuji@0	3274 * Accepts: message number
yuuji@0	3275 * extra argument
yuuji@0	3276 */
yuuji@0	3277
yuuji@0	3278 void fetch_rfc822_header (unsigned long i,void *args)
yuuji@0	3279 {
yuuji@0	3280 SIZEDTEXT st;
yuuji@0	3281 st.data = (unsigned char *)
yuuji@0	3282 mail_fetch_header (stream,i,NIL,NIL,&st.size,FT_PEEK);
yuuji@0	3283 pbodypartstring (i,"RFC822.HEADER",&st,NIL,NIL);
yuuji@0	3284 }
yuuji@0	3285
yuuji@0	3286
yuuji@0	3287 /* Fetch RFC-822 message length
yuuji@0	3288 * Accepts: message number
yuuji@0	3289 * extra argument
yuuji@0	3290 */
yuuji@0	3291
yuuji@0	3292 void fetch_rfc822_size (unsigned long i,void *args)
yuuji@0	3293 {
yuuji@0	3294 char tmp[MAILTMPLEN];
yuuji@0	3295 MESSAGECACHE *elt = mail_elt (stream,i);
yuuji@0	3296 if (!elt->rfc822_size) { /* have message size yet? */
yuuji@0	3297 sprintf (tmp,"%lu",i);
yuuji@0	3298 mail_fetch_fast (stream,tmp,NIL);
yuuji@0	3299 }
yuuji@0	3300 PSOUT ("RFC822.SIZE ");
yuuji@0	3301 pnum (elt->rfc822_size);
yuuji@0	3302 }
yuuji@0	3303
yuuji@0	3304 /* Fetch RFC-822 text only
yuuji@0	3305 * Accepts: message number
yuuji@0	3306 * extra argument
yuuji@0	3307 */
yuuji@0	3308
yuuji@0	3309 void fetch_rfc822_text (unsigned long i,void *args)
yuuji@0	3310 {
yuuji@0	3311 if (i) { /* do work? */
yuuji@0	3312 int f = mail_elt (stream,i)->seen;
yuuji@0	3313 SIZEDTEXT st;
yuuji@0	3314 st.data = (unsigned char *)
yuuji@0	3315 mail_fetch_text (stream,i,NIL,&st.size,
yuuji@0	3316 ((long) args) \| FT_RETURNSTRINGSTRUCT);
yuuji@0	3317 pbodypartstring (i,"RFC822.TEXT",&st,&stream->private.string,NIL);
yuuji@0	3318 }
yuuji@0	3319 }
yuuji@0	3320
yuuji@0	3321 /* Print envelope
yuuji@0	3322 * Accepts: body
yuuji@0	3323 */
yuuji@0	3324
yuuji@0	3325 void penv (ENVELOPE *env)
yuuji@0	3326 {
yuuji@0	3327 PBOUT ('('); /* delimiter */
yuuji@0	3328 if (env) { /* only if there is an envelope */
yuuji@0	3329 pnstring (env->date); /* output envelope fields */
yuuji@0	3330 PBOUT (' ');
yuuji@0	3331 pnstring (env->subject);
yuuji@0	3332 PBOUT (' ');
yuuji@0	3333 paddr (env->from);
yuuji@0	3334 PBOUT (' ');
yuuji@0	3335 paddr (env->sender);
yuuji@0	3336 PBOUT (' ');
yuuji@0	3337 paddr (env->reply_to);
yuuji@0	3338 PBOUT (' ');
yuuji@0	3339 paddr (env->to);
yuuji@0	3340 PBOUT (' ');
yuuji@0	3341 paddr (env->cc);
yuuji@0	3342 PBOUT (' ');
yuuji@0	3343 paddr (env->bcc);
yuuji@0	3344 PBOUT (' ');
yuuji@0	3345 pnstring (env->in_reply_to);
yuuji@0	3346 PBOUT (' ');
yuuji@0	3347 pnstring (env->message_id);
yuuji@0	3348 }
yuuji@0	3349 /* no envelope */
yuuji@0	3350 else PSOUT ("NIL NIL NIL NIL NIL NIL NIL NIL NIL NIL");
yuuji@0	3351 PBOUT (')'); /* end of envelope */
yuuji@0	3352 }
yuuji@0	3353
yuuji@0	3354 /* Print body structure (extensible)
yuuji@0	3355 * Accepts: body
yuuji@0	3356 */
yuuji@0	3357
yuuji@0	3358 void pbodystructure (BODY *body)
yuuji@0	3359 {
yuuji@0	3360 PBOUT ('('); /* delimiter */
yuuji@0	3361 if (body) { /* only if there is a body */
yuuji@0	3362 PART *part;
yuuji@0	3363 /* multipart type? */
yuuji@0	3364 if (body->type == TYPEMULTIPART) {
yuuji@0	3365 /* print each part */
yuuji@0	3366 if (part = body->nested.part)
yuuji@0	3367 for (; part; part = part->next) pbodystructure (&(part->body));
yuuji@0	3368 else pbodystructure (NIL);
yuuji@0	3369 PBOUT (' '); /* space delimiter */
yuuji@0	3370 pstring (body->subtype); /* subtype */
yuuji@0	3371 PBOUT (' ');
yuuji@0	3372 pparam (body->parameter); /* multipart body extension data */
yuuji@0	3373 PBOUT (' ');
yuuji@0	3374 if (body->disposition.type) {
yuuji@0	3375 PBOUT ('(');
yuuji@0	3376 pstring (body->disposition.type);
yuuji@0	3377 PBOUT (' ');
yuuji@0	3378 pparam (body->disposition.parameter);
yuuji@0	3379 PBOUT (')');
yuuji@0	3380 }
yuuji@0	3381 else PSOUT ("NIL");
yuuji@0	3382 PBOUT (' ');
yuuji@0	3383 pnstringorlist (body->language);
yuuji@0	3384 PBOUT (' ');
yuuji@0	3385 pnstring (body->location);
yuuji@0	3386 }
yuuji@0	3387
yuuji@0	3388 else { /* non-multipart body type */
yuuji@0	3389 pstring ((char *) body_types[body->type]);
yuuji@0	3390 PBOUT (' ');
yuuji@0	3391 pstring (body->subtype);
yuuji@0	3392 PBOUT (' ');
yuuji@0	3393 pparam (body->parameter);
yuuji@0	3394 PBOUT (' ');
yuuji@0	3395 pnstring (body->id);
yuuji@0	3396 PBOUT (' ');
yuuji@0	3397 pnstring (body->description);
yuuji@0	3398 PBOUT (' ');
yuuji@0	3399 pstring ((char *) body_encodings[body->encoding]);
yuuji@0	3400 PBOUT (' ');
yuuji@0	3401 pnum (body->size.bytes);
yuuji@0	3402 switch (body->type) { /* extra stuff depends upon body type */
yuuji@0	3403 case TYPEMESSAGE:
yuuji@0	3404 /* can't do this if not RFC822 */
yuuji@0	3405 if (strcmp (body->subtype,"RFC822")) break;
yuuji@0	3406 PBOUT (' ');
yuuji@0	3407 penv (body->nested.msg->env);
yuuji@0	3408 PBOUT (' ');
yuuji@0	3409 pbodystructure (body->nested.msg->body);
yuuji@0	3410 case TYPETEXT:
yuuji@0	3411 PBOUT (' ');
yuuji@0	3412 pnum (body->size.lines);
yuuji@0	3413 break;
yuuji@0	3414 default:
yuuji@0	3415 break;
yuuji@0	3416 }
yuuji@0	3417 PBOUT (' ');
yuuji@0	3418 pnstring (body->md5);
yuuji@0	3419 PBOUT (' ');
yuuji@0	3420 if (body->disposition.type) {
yuuji@0	3421 PBOUT ('(');
yuuji@0	3422 pstring (body->disposition.type);
yuuji@0	3423 PBOUT (' ');
yuuji@0	3424 pparam (body->disposition.parameter);
yuuji@0	3425 PBOUT (')');
yuuji@0	3426 }
yuuji@0	3427 else PSOUT ("NIL");
yuuji@0	3428 PBOUT (' ');
yuuji@0	3429 pnstringorlist (body->language);
yuuji@0	3430 PBOUT (' ');
yuuji@0	3431 pnstring (body->location);
yuuji@0	3432 }
yuuji@0	3433 }
yuuji@0	3434 /* no body */
yuuji@0	3435 else PSOUT ("\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL \"7BIT\" 0 0 NIL NIL NIL NIL");
yuuji@0	3436 PBOUT (')'); /* end of body */
yuuji@0	3437 }
yuuji@0	3438
yuuji@0	3439 /* Print body (non-extensible)
yuuji@0	3440 * Accepts: body
yuuji@0	3441 */
yuuji@0	3442
yuuji@0	3443 void pbody (BODY *body)
yuuji@0	3444 {
yuuji@0	3445 PBOUT ('('); /* delimiter */
yuuji@0	3446 if (body) { /* only if there is a body */
yuuji@0	3447 PART *part;
yuuji@0	3448 /* multipart type? */
yuuji@0	3449 if (body->type == TYPEMULTIPART) {
yuuji@0	3450 /* print each part */
yuuji@0	3451 if (part = body->nested.part)
yuuji@0	3452 for (; part; part = part->next) pbody (&(part->body));
yuuji@0	3453 else pbody (NIL);
yuuji@0	3454 PBOUT (' '); /* space delimiter */
yuuji@0	3455 pstring (body->subtype); /* and finally the subtype */
yuuji@0	3456 }
yuuji@0	3457 else { /* non-multipart body type */
yuuji@0	3458 pstring ((char *) body_types[body->type]);
yuuji@0	3459 PBOUT (' ');
yuuji@0	3460 pstring (body->subtype);
yuuji@0	3461 PBOUT (' ');
yuuji@0	3462 pparam (body->parameter);
yuuji@0	3463 PBOUT (' ');
yuuji@0	3464 pnstring (body->id);
yuuji@0	3465 PBOUT (' ');
yuuji@0	3466 pnstring (body->description);
yuuji@0	3467 PBOUT (' ');
yuuji@0	3468 pstring ((char *) body_encodings[body->encoding]);
yuuji@0	3469 PBOUT (' ');
yuuji@0	3470 pnum (body->size.bytes);
yuuji@0	3471 switch (body->type) { /* extra stuff depends upon body type */
yuuji@0	3472 case TYPEMESSAGE:
yuuji@0	3473 /* can't do this if not RFC822 */
yuuji@0	3474 if (strcmp (body->subtype,"RFC822")) break;
yuuji@0	3475 PBOUT (' ');
yuuji@0	3476 penv (body->nested.msg ? body->nested.msg->env : NIL);
yuuji@0	3477 PBOUT (' ');
yuuji@0	3478 pbody (body->nested.msg ? body->nested.msg->body : NIL);
yuuji@0	3479 case TYPETEXT:
yuuji@0	3480 PBOUT (' ');
yuuji@0	3481 pnum (body->size.lines);
yuuji@0	3482 break;
yuuji@0	3483 default:
yuuji@0	3484 break;
yuuji@0	3485 }
yuuji@0	3486 }
yuuji@0	3487 }
yuuji@0	3488 /* no body */
yuuji@0	3489 else PSOUT ("\"TEXT\" \"PLAIN\" (\"CHARSET\" \"US-ASCII\") NIL NIL \"7BIT\" 0 0");
yuuji@0	3490 PBOUT (')'); /* end of body */
yuuji@0	3491 }
yuuji@0	3492
yuuji@0	3493 /* Print parameter list
yuuji@0	3494 * Accepts: paramter
yuuji@0	3495 */
yuuji@0	3496
yuuji@0	3497 void pparam (PARAMETER *param)
yuuji@0	3498 {
yuuji@0	3499 if (param) { /* one specified? */
yuuji@0	3500 PBOUT ('(');
yuuji@0	3501 do {
yuuji@0	3502 pstring (param->attribute);
yuuji@0	3503 PBOUT (' ');
yuuji@0	3504 pstring (param->value);
yuuji@0	3505 if (param = param->next) PBOUT (' ');
yuuji@0	3506 } while (param);
yuuji@0	3507 PBOUT (')'); /* end of parameters */
yuuji@0	3508 }
yuuji@0	3509 else PSOUT ("NIL");
yuuji@0	3510 }
yuuji@0	3511
yuuji@0	3512
yuuji@0	3513 /* Print address list
yuuji@0	3514 * Accepts: address list
yuuji@0	3515 */
yuuji@0	3516
yuuji@0	3517 void paddr (ADDRESS *a)
yuuji@0	3518 {
yuuji@0	3519 if (a) { /* have anything in address? */
yuuji@0	3520 PBOUT ('('); /* open the address list */
yuuji@0	3521 do { /* for each address */
yuuji@0	3522 PBOUT ('('); /* open the address */
yuuji@0	3523 pnstring (a->personal); /* personal name */
yuuji@0	3524 PBOUT (' ');
yuuji@0	3525 pnstring (a->adl); /* at-domain-list */
yuuji@0	3526 PBOUT (' ');
yuuji@0	3527 pnstring (a->mailbox); /* mailbox */
yuuji@0	3528 PBOUT (' ');
yuuji@0	3529 pnstring (a->host); /* domain name of mailbox's host */
yuuji@0	3530 PBOUT (')'); /* terminate address */
yuuji@0	3531 } while (a = a->next); /* until end of address */
yuuji@0	3532 PBOUT (')'); /* close address list */
yuuji@0	3533 }
yuuji@0	3534 else PSOUT ("NIL"); /* empty address */
yuuji@0	3535 }
yuuji@0	3536
yuuji@0	3537 /* Print set
yuuji@0	3538 * Accepts: set
yuuji@0	3539 */
yuuji@0	3540
yuuji@0	3541 void pset (SEARCHSET **set)
yuuji@0	3542 {
yuuji@0	3543 SEARCHSET cur = set;
yuuji@0	3544 while (cur) { /* while there's a set to do */
yuuji@0	3545 pnum (cur->first); /* output first value */
yuuji@0	3546 if (cur->last) { /* if range, output second value of range */
yuuji@0	3547 PBOUT (':');
yuuji@0	3548 pnum (cur->last);
yuuji@0	3549 }
yuuji@0	3550 if (cur = cur->next) PBOUT (',');
yuuji@0	3551 }
yuuji@0	3552 mail_free_searchset (set); /* flush set */
yuuji@0	3553 }
yuuji@0	3554
yuuji@0	3555
yuuji@0	3556 /* Print number
yuuji@0	3557 * Accepts: number
yuuji@0	3558 */
yuuji@0	3559
yuuji@0	3560 void pnum (unsigned long i)
yuuji@0	3561 {
yuuji@0	3562 char tmp[MAILTMPLEN];
yuuji@0	3563 sprintf (tmp,"%lu",i);
yuuji@0	3564 PSOUT (tmp);
yuuji@0	3565 }
yuuji@0	3566
yuuji@0	3567
yuuji@0	3568 /* Print string
yuuji@0	3569 * Accepts: string
yuuji@0	3570 */
yuuji@0	3571
yuuji@0	3572 void pstring (char *s)
yuuji@0	3573 {
yuuji@0	3574 SIZEDTEXT st;
yuuji@0	3575 st.data = (unsigned char ) s;/ set up sized text */
yuuji@0	3576 st.size = strlen (s);
yuuji@0	3577 psizedstring (&st,NIL); /* print string */
yuuji@0	3578 }
yuuji@0	3579
yuuji@0	3580
yuuji@0	3581 /* Print nstring
yuuji@0	3582 * Accepts: string or NIL
yuuji@0	3583 */
yuuji@0	3584
yuuji@0	3585 void pnstring (char *s)
yuuji@0	3586 {
yuuji@0	3587 if (s) pstring (s); /* print string */
yuuji@0	3588 else PSOUT ("NIL");
yuuji@0	3589 }
yuuji@0	3590
yuuji@0	3591
yuuji@0	3592 /* Print atom or string
yuuji@0	3593 * Accepts: astring
yuuji@0	3594 */
yuuji@0	3595
yuuji@0	3596 void pastring (char *s)
yuuji@0	3597 {
yuuji@0	3598 char *t;
yuuji@0	3599 if (!s) PSOUT ("\"\""); / empty string */
yuuji@0	3600 else { /* see if atom */
yuuji@0	3601 for (t = s; (t > ' ') && !(t & 0x80) &&
yuuji@0	3602 (t != '"') && (t != '\\') && (t != '(') && (t != ')') &&
yuuji@0	3603 (t != '{') && (t != '%') && (t != ''); t++);
yuuji@0	3604 if (t) pstring (s); / not an atom */
yuuji@0	3605 else PSOUT (s); /* else plop down as atomic */
yuuji@0	3606 }
yuuji@0	3607 }
yuuji@0	3608
yuuji@0	3609 /* Print sized text as quoted
yuuji@0	3610 * Accepts: sized text
yuuji@0	3611 */
yuuji@0	3612
yuuji@0	3613 void psizedquoted (SIZEDTEXT *s)
yuuji@0	3614 {
yuuji@0	3615 PBOUT ('"'); /* use quoted string */
yuuji@0	3616 ptext (s,NIL);
yuuji@0	3617 PBOUT ('"');
yuuji@0	3618 }
yuuji@0	3619
yuuji@0	3620
yuuji@0	3621 /* Print sized text as literal
yuuji@0	3622 * Accepts: sized text
yuuji@0	3623 */
yuuji@0	3624
yuuji@0	3625 void psizedliteral (SIZEDTEXT s,STRING st)
yuuji@0	3626 {
yuuji@0	3627 PBOUT ('{'); /* print literal size */
yuuji@0	3628 pnum (s->size);
yuuji@0	3629 PSOUT ("}\015\012");
yuuji@0	3630 ptext (s,st);
yuuji@0	3631 }
yuuji@0	3632
yuuji@0	3633 /* Print sized text as literal or quoted string
yuuji@0	3634 * Accepts: sized text
yuuji@0	3635 * alternative stringstruct of text
yuuji@0	3636 */
yuuji@0	3637
yuuji@0	3638 void psizedstring (SIZEDTEXT s,STRING st)
yuuji@0	3639 {
yuuji@0	3640 unsigned char c;
yuuji@0	3641 unsigned long i;
yuuji@0	3642
yuuji@0	3643 if (s->data) { /* if text, check if must use literal */
yuuji@0	3644 for (i = 0; ((i < s->size) && ((c = s->data[i]) & 0xe0) &&
yuuji@0	3645 !(c & 0x80) && (c != '"') && (c != '\\')); ++i);
yuuji@0	3646 /* must use literal if not all QUOTED-CHAR */
yuuji@0	3647 if (i < s->size) psizedliteral (s,st);
yuuji@0	3648 else psizedquoted (s);
yuuji@0	3649 }
yuuji@0	3650 else psizedliteral (s,st);
yuuji@0	3651 }
yuuji@0	3652
yuuji@0	3653
yuuji@0	3654 /* Print sized text as literal or quoted string
yuuji@0	3655 * Accepts: sized text
yuuji@0	3656 */
yuuji@0	3657
yuuji@0	3658 void psizedastring (SIZEDTEXT *s)
yuuji@0	3659 {
yuuji@0	3660 unsigned long i;
yuuji@0	3661 unsigned int atomp = s->size ? T : NIL;
yuuji@0	3662 for (i = 0; i < s->size; i++){/* check if must use literal */
yuuji@0	3663 if (!(s->data[i] & 0xe0) \|\| (s->data[i] & 0x80) \|\|
yuuji@0	3664 (s->data[i] == '"') \|\| (s->data[i] == '\\')) {
yuuji@0	3665 psizedliteral (s,NIL);
yuuji@0	3666 return;
yuuji@0	3667 }
yuuji@0	3668 else switch (s->data[i]) { /* else see if any atom-specials */
yuuji@0	3669 case '(': case ')': case '{': case ' ':
yuuji@0	3670 case '%': case '': / list-wildcards */
yuuji@0	3671 case ']': /* resp-specials */
yuuji@0	3672 /* CTL and quoted-specials in literal check */
yuuji@0	3673 atomp = NIL; /* not an atom */
yuuji@0	3674 }
yuuji@0	3675 }
yuuji@0	3676 if (atomp) ptext (s,NIL); /* print as atom */
yuuji@0	3677 else psizedquoted (s); /* print as quoted string */
yuuji@0	3678 }
yuuji@0	3679
yuuji@0	3680 /* Print string list
yuuji@0	3681 * Accepts: string list
yuuji@0	3682 */
yuuji@0	3683
yuuji@0	3684 void pastringlist (STRINGLIST *s)
yuuji@0	3685 {
yuuji@0	3686 PBOUT ('('); /* start list */
yuuji@0	3687 do {
yuuji@0	3688 psizedastring (&s->text); /* output list member */
yuuji@0	3689 if (s->next) PBOUT (' ');
yuuji@0	3690 } while (s = s->next);
yuuji@0	3691 PBOUT (')'); /* terminate list */
yuuji@0	3692 }
yuuji@0	3693
yuuji@0	3694
yuuji@0	3695 /* Print nstring or list of strings
yuuji@0	3696 * Accepts: string / string list
yuuji@0	3697 */
yuuji@0	3698
yuuji@0	3699 void pnstringorlist (STRINGLIST *s)
yuuji@0	3700 {
yuuji@0	3701 if (!s) PSOUT ("NIL"); /* no argument given */
yuuji@0	3702 else if (s->next) { /* output list as list of strings*/
yuuji@0	3703 PBOUT ('('); /* start list */
yuuji@0	3704 do { /* output list member */
yuuji@0	3705 psizedstring (&s->text,NIL);
yuuji@0	3706 if (s->next) PBOUT (' ');
yuuji@0	3707 } while (s = s->next);
yuuji@0	3708 PBOUT (')'); /* terminate list */
yuuji@0	3709 }
yuuji@0	3710 /* and single-element list as string */
yuuji@0	3711 else psizedstring (&s->text,NIL);
yuuji@0	3712 }
yuuji@0	3713
yuuji@0	3714 /* Print body part string
yuuji@0	3715 * Accepts: message number
yuuji@0	3716 * body part id (note: must have space at end to append stuff)
yuuji@0	3717 * sized text of string
yuuji@0	3718 * alternative stringstruct of string
yuuji@0	3719 * text printing arguments
yuuji@0	3720 */
yuuji@0	3721
yuuji@0	3722 void pbodypartstring (unsigned long msgno,char id,SIZEDTEXT st,STRING *bs,
yuuji@0	3723 TEXTARGS *ta)
yuuji@0	3724 {
yuuji@0	3725 int f = mail_elt (stream,msgno)->seen;
yuuji@0	3726 /* ignore stringstruct if non-initialized */
yuuji@0	3727 if (bs && !bs->curpos) bs = NIL;
yuuji@0	3728 if (ta && st->size) { /* only if have useful data */
yuuji@0	3729 /* partial specifier */
yuuji@0	3730 if (ta->first \|\| ta->last) sprintf (id + strlen (id),"<%lu>",ta->first);
yuuji@0	3731 /* in case first byte beyond end of text */
yuuji@0	3732 if (st->size <= ta->first) st->size = ta->first = 0;
yuuji@0	3733 else {
yuuji@0	3734 if (st->data) { /* offset and truncate */
yuuji@0	3735 st->data += ta->first; /* move to desired position */
yuuji@0	3736 st->size -= ta->first; /* reduced size */
yuuji@0	3737 }
yuuji@0	3738 else if (bs && (SIZE (bs) >= ta->first))
yuuji@0	3739 SETPOS (bs,ta->first + GETPOS (bs));
yuuji@0	3740 else st->size = 0; /* shouldn't happen */
yuuji@0	3741 if (ta->last && (st->size > ta->last)) st->size = ta->last;
yuuji@0	3742 }
yuuji@0	3743 }
yuuji@0	3744 PSOUT (id);
yuuji@0	3745 PBOUT (' ');
yuuji@0	3746 psizedstring (st,bs); /* output string */
yuuji@0	3747 changed_flags (msgno,f); /* and changed flags */
yuuji@0	3748 }
yuuji@0	3749
yuuji@0	3750 /* RFC 3501 technically forbids NULs in literals. Normally, the delivering
yuuji@0	3751 * MTA would take care of MIME converting the message text so that it is
yuuji@0	3752 * NUL-free. If it doesn't, then we have the choice of either violating
yuuji@0	3753 * IMAP by sending NULs, corrupting the data, or going to lots of work to do
yuuji@0	3754 * MIME conversion in the IMAP server.
yuuji@0	3755 */
yuuji@0	3756
yuuji@0	3757 /* Print raw sized text
yuuji@0	3758 * Accepts: sizedtext
yuuji@0	3759 */
yuuji@0	3760
yuuji@0	3761 void ptext (SIZEDTEXT txt,STRING st)
yuuji@0	3762 {
yuuji@0	3763 unsigned char c,*s;
yuuji@0	3764 unsigned long i = txt->size;
yuuji@0	3765 if (s = txt->data) while (i && ((PBOUT ((c = *s++) ? c : 0x80) != EOF))) --i;
yuuji@0	3766 else if (st) while (i && (PBOUT ((c = SNX (st)) ? c : 0x80) != EOF)) --i;
yuuji@0	3767 /* failed to complete? */
yuuji@0	3768 if (i) ioerror (stdout,"writing text");
yuuji@0	3769 }
yuuji@0	3770
yuuji@0	3771 /* Print thread
yuuji@0	3772 * Accepts: thread
yuuji@0	3773 */
yuuji@0	3774
yuuji@0	3775 void pthread (THREADNODE *thr)
yuuji@0	3776 {
yuuji@0	3777 THREADNODE *t;
yuuji@0	3778 while (thr) { /* for each branch */
yuuji@0	3779 PBOUT ('('); /* open branch */
yuuji@0	3780 if (thr->num) { /* first node message number */
yuuji@0	3781 pnum (thr->num);
yuuji@0	3782 if (t = thr->next) { /* any subsequent nodes? */
yuuji@0	3783 PBOUT (' ');
yuuji@0	3784 while (t) { /* for each subsequent node */
yuuji@0	3785 if (t->branch) { /* branches? */
yuuji@0	3786 pthread (t); /* yes, recurse to do branch */
yuuji@0	3787 t = NIL; /* done */
yuuji@0	3788 }
yuuji@0	3789 else { /* just output this number */
yuuji@0	3790 pnum (t->num);
yuuji@0	3791 t = t->next; /* and do next message */
yuuji@0	3792 }
yuuji@0	3793 if (t) PBOUT (' '); /* delimit if more to come */
yuuji@0	3794 }
yuuji@0	3795 }
yuuji@0	3796 }
yuuji@0	3797 else pthread (thr->next); /* nest for dummy */
yuuji@0	3798 PBOUT (')'); /* done with this branch */
yuuji@0	3799 thr = thr->branch; /* do next branch */
yuuji@0	3800 }
yuuji@0	3801 }
yuuji@0	3802
yuuji@0	3803 /* Print capabilities
yuuji@0	3804 * Accepts: option flag
yuuji@0	3805 */
yuuji@0	3806
yuuji@0	3807 void pcapability (long flag)
yuuji@0	3808 {
yuuji@0	3809 unsigned long i;
yuuji@0	3810 char *s;
yuuji@0	3811 struct stat sbuf;
yuuji@0	3812 AUTHENTICATOR *auth;
yuuji@0	3813 THREADER thr = (THREADER ) mail_parameters (NIL,GET_THREADERS,NIL);
yuuji@0	3814 /* always output protocol level */
yuuji@0	3815 PSOUT ("CAPABILITY IMAP4REV1 I18NLEVEL=1 LITERAL+");
yuuji@0	3816 #ifdef NETSCAPE_BRAIN_DAMAGE
yuuji@0	3817 PSOUT (" X-NETSCAPE");
yuuji@0	3818 #endif
yuuji@0	3819 if (flag >= 0) { /* want post-authentication capabilities? */
yuuji@0	3820 PSOUT (" IDLE UIDPLUS NAMESPACE CHILDREN MAILBOX-REFERRALS BINARY UNSELECT ESEARCH WITHIN SCAN SORT");
yuuji@0	3821 while (thr) { /* threaders */
yuuji@0	3822 PSOUT (" THREAD=");
yuuji@0	3823 PSOUT (thr->name);
yuuji@0	3824 thr = thr->next;
yuuji@0	3825 }
yuuji@0	3826 if (!anonymous) PSOUT (" MULTIAPPEND");
yuuji@0	3827 }
yuuji@0	3828 if (flag <= 0) { /* want pre-authentication capabilities? */
yuuji@0	3829 PSOUT (" SASL-IR LOGIN-REFERRALS");
yuuji@0	3830 if (s = ssl_start_tls (NIL)) fs_give ((void **) &s);
yuuji@0	3831 else PSOUT (" STARTTLS");
yuuji@0	3832 /* disable plaintext */
yuuji@0	3833 if (!(i = !mail_parameters (NIL,GET_DISABLEPLAINTEXT,NIL)))
yuuji@0	3834 PSOUT (" LOGINDISABLED");
yuuji@0	3835 for (auth = mail_lookup_auth (1); auth; auth = auth->next)
yuuji@0	3836 if (auth->server && !(auth->flags & AU_DISABLE) &&
yuuji@0	3837 !(auth->flags & AU_HIDE) && (i \|\| (auth->flags & AU_SECURE))) {
yuuji@0	3838 PSOUT (" AUTH=");
yuuji@0	3839 PSOUT (auth->name);
yuuji@0	3840 }
yuuji@0	3841 if (!stat (ANOFILE,&sbuf)) PSOUT (" AUTH=ANONYMOUS");
yuuji@0	3842 }
yuuji@0	3843 }
yuuji@0	3844
yuuji@0	3845 /* Anonymous users may only use these mailboxes in these namespaces */
yuuji@0	3846
yuuji@0	3847 char *oktab[] = {"#news.", "#ftp/", "#public/", 0};
yuuji@0	3848
yuuji@0	3849
yuuji@0	3850 /* Check if mailbox name is OK
yuuji@0	3851 * Accepts: reference name
yuuji@0	3852 * mailbox name
yuuji@0	3853 */
yuuji@0	3854
yuuji@0	3855 long nameok (char ref,char name)
yuuji@0	3856 {
yuuji@0	3857 int i;
yuuji@0	3858 unsigned char s,t;
yuuji@0	3859 if (!name) return NIL; /* failure if missing name */
yuuji@0	3860 if (!anonymous) return T; /* otherwise OK if not anonymous */
yuuji@0	3861 /* validate reference */
yuuji@0	3862 if (ref && ((ref == '#') \|\| (ref == '{')))
yuuji@0	3863 for (i = 0; oktab[i]; i++) {
yuuji@0	3864 for (s = ref, t = oktab[i]; t && !compare_uchar (s,*t); s++, t++);
yuuji@0	3865 if (!t) { / reference OK */
yuuji@0	3866 if (name == '#') break;/ check name if override */
yuuji@0	3867 else return T; /* otherwise done */
yuuji@0	3868 }
yuuji@0	3869 }
yuuji@0	3870 /* ordinary names are OK */
yuuji@0	3871 if ((name != '#') && (name != '{')) return T;
yuuji@0	3872 for (i = 0; oktab[i]; i++) { /* validate mailbox */
yuuji@0	3873 for (s = name, t = oktab[i]; t && !compare_uchar (s,*t); s++, t++);
yuuji@0	3874 if (!t) return T; / name is OK */
yuuji@0	3875 }
yuuji@0	3876 response = "%.80s NO Anonymous may not %.80s this name\015\012";
yuuji@0	3877 return NIL;
yuuji@0	3878 }
yuuji@0	3879
yuuji@0	3880
yuuji@0	3881 /* Convert possible BBoard name to actual name
yuuji@0	3882 * Accepts: command
yuuji@0	3883 * mailbox name
yuuji@0	3884 * Returns: maibox name
yuuji@0	3885 */
yuuji@0	3886
yuuji@0	3887 char bboardname (char cmd,char *name)
yuuji@0	3888 {
yuuji@0	3889 if (cmd[0] == 'B') { /* want bboard? */
yuuji@0	3890 char s = litstk[litsp++] = (char ) fs_get (strlen (name) + 9);
yuuji@0	3891 sprintf (s,"#public/%s",(*name == '/') ? name+1 : name);
yuuji@0	3892 name = s;
yuuji@0	3893 }
yuuji@0	3894 return name;
yuuji@0	3895 }
yuuji@0	3896
yuuji@0	3897 /* Test if name is news proxy
yuuji@0	3898 * Accepts: name
yuuji@0	3899 * Returns: T if news proxy, NIL otherwise
yuuji@0	3900 */
yuuji@0	3901
yuuji@0	3902 long isnewsproxy (char *name)
yuuji@0	3903 {
yuuji@0	3904 return (nntpproxy && (name[0] == '#') &&
yuuji@0	3905 ((name[1] == 'N') \|\| (name[1] == 'n')) &&
yuuji@0	3906 ((name[2] == 'E') \|\| (name[2] == 'e')) &&
yuuji@0	3907 ((name[3] == 'W') \|\| (name[3] == 'w')) &&
yuuji@0	3908 ((name[4] == 'S') \|\| (name[4] == 's')) && (name[5] == '.')) ?
yuuji@0	3909 LONGT : NIL;
yuuji@0	3910 }
yuuji@0	3911
yuuji@0	3912
yuuji@0	3913 /* News proxy generate canonical pattern
yuuji@0	3914 * Accepts: reference
yuuji@0	3915 * pattern
yuuji@0	3916 * buffer to return canonical pattern
yuuji@0	3917 * Returns: T on success with pattern in buffer, NIL on failure
yuuji@0	3918 */
yuuji@0	3919
yuuji@0	3920 long newsproxypattern (char ref,char pat,char *pattern,long flag)
yuuji@0	3921 {
yuuji@0	3922 if (!nntpproxy) return NIL;
yuuji@0	3923 if (strlen (ref) > NETMAXMBX) {
yuuji@0	3924 sprintf (pattern,"Invalid reference specification: %.80s",ref);
yuuji@0	3925 mm_log (pattern,ERROR);
yuuji@0	3926 return NIL;
yuuji@0	3927 }
yuuji@0	3928 if (strlen (pat) > NETMAXMBX) {
yuuji@0	3929 sprintf (pattern,"Invalid pattern specification: %.80s",pat);
yuuji@0	3930 mm_log (pattern,ERROR);
yuuji@0	3931 return NIL;
yuuji@0	3932 }
yuuji@0	3933 if (flag) { /* prepend proxy specifier */
yuuji@0	3934 sprintf (pattern,"{%.300s/nntp}",nntpproxy);
yuuji@0	3935 pattern += strlen (pattern);
yuuji@0	3936 }
yuuji@0	3937 if (ref) { / have a reference */
yuuji@0	3938 strcpy (pattern,ref); /* copy reference to pattern */
yuuji@0	3939 /* # overrides mailbox field in reference */
yuuji@0	3940 if (*pat == '#') strcpy (pattern,pat);
yuuji@0	3941 /* pattern starts, reference ends, with . */
yuuji@0	3942 else if ((*pat == '.') && (pattern[strlen (pattern) - 1] == '.'))
yuuji@0	3943 strcat (pattern,pat + 1); /* append, omitting one of the period */
yuuji@0	3944 else strcat (pattern,pat); /* anything else is just appended */
yuuji@0	3945 }
yuuji@0	3946 else strcpy (pattern,pat); /* just have basic name */
yuuji@0	3947 return isnewsproxy (pattern);
yuuji@0	3948 }
yuuji@0	3949
yuuji@0	3950 /* IMAP4rev1 Authentication responder
yuuji@0	3951 * Accepts: challenge
yuuji@0	3952 * length of challenge
yuuji@0	3953 * pointer to response length return location if non-NIL
yuuji@0	3954 * Returns: response
yuuji@0	3955 */
yuuji@0	3956
yuuji@0	3957 #define RESPBUFLEN 8*MAILTMPLEN
yuuji@0	3958
yuuji@0	3959 char imap_responder (void challenge,unsigned long clen,unsigned long *rlen)
yuuji@0	3960 {
yuuji@0	3961 unsigned long i,j;
yuuji@0	3962 unsigned char *t,resp[RESPBUFLEN];
yuuji@0	3963 if (initial) { /* initial response given? */
yuuji@0	3964 if (clen) return NIL; /* not permitted */
yuuji@0	3965 /* set up response */
yuuji@0	3966 i = strlen ((char *) (t = initial));
yuuji@0	3967 initial = NIL; /* no more initial response */
yuuji@0	3968 if ((t == '=') && !t[1]) { / SASL-IR does this for 0-length response */
yuuji@0	3969 if (rlen) rlen = 0; / set length zero if empty */
yuuji@0	3970 return cpystr (""); /* and return empty string as response */
yuuji@0	3971 }
yuuji@0	3972 }
yuuji@0	3973 else { /* issue challenge, get response */
yuuji@0	3974 PSOUT ("+ ");
yuuji@0	3975 for (t = rfc822_binary ((void *) challenge,clen,&i),j = 0; j < i; j++)
yuuji@0	3976 if (t[j] > ' ') PBOUT (t[j]);
yuuji@0	3977 fs_give ((void **) &t);
yuuji@0	3978 CRLF;
yuuji@0	3979 PFLUSH (); /* dump output buffer */
yuuji@0	3980 /* slurp response buffer */
yuuji@0	3981 slurp ((char *) resp,RESPBUFLEN,INPUTTIMEOUT);
yuuji@0	3982 if (!(t = (unsigned char ) strchr ((char ) resp,'\012')))
yuuji@0	3983 return (char *) flush ();
yuuji@0	3984 if (t[-1] == '\015') --t; /* remove CR */
yuuji@0	3985 t = '\0'; / tie off buffer */
yuuji@0	3986 if (resp[0] == '*') {
yuuji@0	3987 cancelled = T;
yuuji@0	3988 return NIL;
yuuji@0	3989 }
yuuji@0	3990 i = t - resp; /* length of response */
yuuji@0	3991 t = resp; /* set up for return call */
yuuji@0	3992 }
yuuji@0	3993 return (i % 4) ? NIL : /* return if valid BASE64 */
yuuji@0	3994 (char *) rfc822_base64 (t,i,rlen ? rlen : &i);
yuuji@0	3995 }
yuuji@0	3996
yuuji@0	3997 /* Proxy copy across mailbox formats
yuuji@0	3998 * Accepts: mail stream
yuuji@0	3999 * sequence to copy on this stream
yuuji@0	4000 * destination mailbox
yuuji@0	4001 * option flags
yuuji@0	4002 * Returns: T if success, else NIL
yuuji@0	4003 */
yuuji@0	4004
yuuji@0	4005 long proxycopy (MAILSTREAM stream,char sequence,char *mailbox,long options)
yuuji@0	4006 {
yuuji@0	4007 MAILSTREAM *ts;
yuuji@0	4008 STRING st;
yuuji@0	4009 MSGDATA md;
yuuji@0	4010 SEARCHSET *set;
yuuji@0	4011 char tmp[MAILTMPLEN];
yuuji@0	4012 unsigned long i,j;
yuuji@0	4013 md.stream = stream;
yuuji@0	4014 md.msgno = 0;
yuuji@0	4015 md.flags = md.date = NIL;
yuuji@0	4016 md.message = &st;
yuuji@0	4017 /* Currently ignores CP_MOVE and CP_DEBUG */
yuuji@0	4018 if (!((options & CP_UID) ? /* validate sequence */
yuuji@0	4019 mail_uid_sequence (stream,sequence) : mail_sequence (stream,sequence)))
yuuji@0	4020 return NIL;
yuuji@0	4021 response = win; /* cancel previous errors */
yuuji@0	4022 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	4023 /* c-client clobbers sequence, use spare */
yuuji@0	4024 for (i = 1,j = 0,set = mail_newsearchset (); i <= nmsgs; i++)
yuuji@0	4025 if (mail_elt (stream,i)->spare = mail_elt (stream,i)->sequence) {
yuuji@0	4026 mail_append_set (set,mail_uid (stream,i));
yuuji@0	4027 if (!j) md.msgno = (j = i) - 1;
yuuji@0	4028 }
yuuji@0	4029 /* only if at least one message to copy */
yuuji@0	4030 if (j && !mail_append_multiple (NIL,mailbox,proxy_append,(void *) &md)) {
yuuji@0	4031 response = trycreate ? losetry : lose;
yuuji@0	4032 if (set) mail_free_searchset (&set);
yuuji@0	4033 return NIL;
yuuji@0	4034 }
yuuji@0	4035 if (caset) csset = set; /* set for return value now */
yuuji@0	4036 else if (set) mail_free_searchset (&set);
yuuji@0	4037 response = win; /* stomp any previous babble */
yuuji@0	4038 if (md.msgno) { /* get new driver name if was dummy */
yuuji@0	4039 sprintf (tmp,"Cross-format (%.80s -> %.80s) COPY completed",
yuuji@0	4040 stream->dtb->name,(ts = mail_open (NIL,mailbox,OP_PROTOTYPE)) ?
yuuji@0	4041 ts->dtb->name : "unknown");
yuuji@0	4042 mm_log (tmp,NIL);
yuuji@0	4043 }
yuuji@0	4044 return LONGT;
yuuji@0	4045 }
yuuji@0	4046
yuuji@0	4047 /* Proxy append message callback
yuuji@0	4048 * Accepts: MAIL stream
yuuji@0	4049 * append data package
yuuji@0	4050 * pointer to return initial flags
yuuji@0	4051 * pointer to return message internal date
yuuji@0	4052 * pointer to return stringstruct of message or NIL to stop
yuuji@0	4053 * Returns: T if success (have message or stop), NIL if error
yuuji@0	4054 */
yuuji@0	4055
yuuji@0	4056 long proxy_append (MAILSTREAM stream,void data,char flags,char date,
yuuji@0	4057 STRING **message)
yuuji@0	4058 {
yuuji@0	4059 MESSAGECACHE *elt;
yuuji@0	4060 unsigned long i;
yuuji@0	4061 char s,t,tmp[MAILTMPLEN];
yuuji@0	4062 MSGDATA md = (MSGDATA ) data;
yuuji@0	4063 if (md->flags) fs_give ((void **) &md->flags);
yuuji@0	4064 if (md->date) fs_give ((void **) &md->date);
yuuji@0	4065 message = NIL; / assume all done */
yuuji@0	4066 flags = date = NIL;
yuuji@0	4067 while (++md->msgno <= nmsgs)
yuuji@0	4068 if ((elt = mail_elt (md->stream,md->msgno))->spare) {
yuuji@0	4069 if (!(elt->valid && elt->day)) {
yuuji@0	4070 sprintf (tmp,"%lu",md->msgno);
yuuji@0	4071 mail_fetch_fast (md->stream,tmp,NIL);
yuuji@0	4072 }
yuuji@0	4073 memset (s = tmp,0,MAILTMPLEN);
yuuji@0	4074 /* copy flags */
yuuji@0	4075 if (elt->seen) strcat (s," \\Seen");
yuuji@0	4076 if (elt->deleted) strcat (s," \\Deleted");
yuuji@0	4077 if (elt->flagged) strcat (s," \\Flagged");
yuuji@0	4078 if (elt->answered) strcat (s," \\Answered");
yuuji@0	4079 if (elt->draft) strcat (s," \\Draft");
yuuji@0	4080 if (i = elt->user_flags) do
yuuji@0	4081 if ((t = md->stream->user_flags[find_rightmost_bit (&i)]) && *t &&
yuuji@0	4082 (strlen (t) < ((size_t) (MAILTMPLEN-((s += strlen (s))+2-tmp))))) {
yuuji@0	4083 s++ = ' '; / space delimiter */
yuuji@0	4084 strcpy (s,t);
yuuji@0	4085 } while (i); /* until no more user flags */
yuuji@0	4086 message = md->message; / set up return values */
yuuji@0	4087 *flags = md->flags = cpystr (tmp + 1);
yuuji@0	4088 *date = md->date = cpystr (mail_date (tmp,elt));
yuuji@0	4089 INIT (md->message,msg_string,(void *) md,elt->rfc822_size);
yuuji@0	4090 break; /* process this message */
yuuji@0	4091 }
yuuji@0	4092 return LONGT;
yuuji@0	4093 }
yuuji@0	4094
yuuji@0	4095 /* Append message callback
yuuji@0	4096 * Accepts: MAIL stream
yuuji@0	4097 * append data package
yuuji@0	4098 * pointer to return initial flags
yuuji@0	4099 * pointer to return message internal date
yuuji@0	4100 * pointer to return stringstruct of message or NIL to stop
yuuji@0	4101 * Returns: T if success (have message or stop), NIL if error
yuuji@0	4102 */
yuuji@0	4103
yuuji@0	4104 long append_msg (MAILSTREAM stream,void data,char flags,char date,
yuuji@0	4105 STRING **message)
yuuji@0	4106 {
yuuji@0	4107 unsigned long i,j;
yuuji@0	4108 char *t;
yuuji@0	4109 APPENDDATA ad = (APPENDDATA ) data;
yuuji@0	4110 unsigned char *arg = ad->arg;
yuuji@0	4111 /* flush text of previous message */
yuuji@0	4112 if (t = ad->flags) fs_give ((void **) &ad->flags);
yuuji@0	4113 if (t = ad->date) fs_give ((void **) &ad->date);
yuuji@0	4114 if (t = ad->msg) fs_give ((void **) &ad->msg);
yuuji@0	4115 flags = date = NIL; /* assume no flags or date */
yuuji@0	4116 if (t) { /* have previous message? */
yuuji@0	4117 if (!arg) { / if least one message, and no more coming */
yuuji@0	4118 message = NIL; / set stop */
yuuji@0	4119 return LONGT; /* return success */
yuuji@0	4120 }
yuuji@0	4121 else if (arg++ != ' ') { / must have a delimiter to next argument */
yuuji@0	4122 response = misarg; /* oops */
yuuji@0	4123 return NIL;
yuuji@0	4124 }
yuuji@0	4125 }
yuuji@0	4126 message = ad->message; / return pointer to message stringstruct */
yuuji@0	4127 if (arg == '(') { / parse optional flag list */
yuuji@0	4128 t = ++arg; /* pointer to flag list contents */
yuuji@0	4129 while (arg && (arg != ')')) arg++;
yuuji@0	4130 if (arg) arg++ = '\0';
yuuji@0	4131 if (*arg == ' ') arg++;
yuuji@0	4132 *flags = ad->flags = cpystr (t);
yuuji@0	4133 }
yuuji@0	4134 /* parse optional date */
yuuji@0	4135 if (arg == '"') date = ad->date = cpystr (snarf (&arg));
yuuji@0	4136 if (!arg \|\| (arg != '{')) / parse message */
yuuji@0	4137 response = "%.80s BAD Missing literal in %.80s\015\012";
yuuji@0	4138 else if (!isdigit (arg[1]))
yuuji@0	4139 response = "%.80s BAD Missing message to %.80s\015\012";
yuuji@0	4140 else if (!(i = strtoul (arg+1,&t,10)))
yuuji@0	4141 response = "%.80s NO Empty message to %.80s\015\012";
yuuji@0	4142 else if (i > MAXAPPENDTXT) /* maybe relax this a little */
yuuji@0	4143 response = "%.80s NO Excessively large message to %.80s\015\012";
yuuji@0	4144 else if (((t == '+') && (t[1] == '}') && !t[2]) \|\| ((t == '}') && !t[1])) {
yuuji@0	4145 /* get a literal buffer */
yuuji@0	4146 inliteral (ad->msg = (char *) fs_get (i+1),i);
yuuji@0	4147 /* get new command tail */
yuuji@0	4148 slurp (ad->arg,CMDLEN - (ad->arg - cmdbuf),INPUTTIMEOUT);
yuuji@0	4149 if (strchr (ad->arg,'\012')) {
yuuji@0	4150 /* reset strtok mechanism, tie off if done */
yuuji@0	4151 if (!strtok (ad->arg,"\015\012")) *ad->arg = '\0';
yuuji@0	4152 /* possible LITERAL+? */
yuuji@0	4153 if (((j = strlen (ad->arg)) > 3) && (ad->arg[j - 1] == '}') &&
yuuji@0	4154 (ad->arg[j - 2] == '+') && isdigit (ad->arg[j - 3])) {
yuuji@0	4155 /* back over possible count */
yuuji@0	4156 for (j -= 4; j && isdigit (ad->arg[j]); j--);
yuuji@0	4157 if (ad->arg[j] == '{') {/* found a literal? */
yuuji@0	4158 litplus.ok = T; /* yes, note LITERAL+ in effect, set size */
yuuji@0	4159 litplus.size = strtoul (ad->arg + j + 1,NIL,10);
yuuji@0	4160 }
yuuji@0	4161 }
yuuji@0	4162 /* initialize stringstruct */
yuuji@0	4163 INIT (ad->message,mail_string,(void *) ad->msg,i);
yuuji@0	4164 return LONGT; /* ready to go */
yuuji@0	4165 }
yuuji@0	4166 flush (); /* didn't find end of line? */
yuuji@0	4167 fs_give ((void **) &ad->msg);
yuuji@0	4168 }
yuuji@0	4169 else response = badarg; /* not a literal */
yuuji@0	4170 return NIL; /* error */
yuuji@0	4171 }
yuuji@0	4172
yuuji@0	4173 /* Got COPY UID data
yuuji@0	4174 * Accepts: MAIL stream
yuuji@0	4175 * mailbox name
yuuji@0	4176 * UID validity
yuuji@0	4177 * source set of UIDs
yuuji@0	4178 * destination set of UIDs
yuuji@0	4179 */
yuuji@0	4180
yuuji@0	4181 void copyuid (MAILSTREAM stream,char mailbox,unsigned long uidvalidity,
yuuji@0	4182 SEARCHSET sourceset,SEARCHSET destset)
yuuji@0	4183 {
yuuji@0	4184 if (cauidvalidity) fatal ("duplicate COPYUID/APPENDUID data");
yuuji@0	4185 cauidvalidity = uidvalidity;
yuuji@0	4186 csset = sourceset;
yuuji@0	4187 caset = destset;
yuuji@0	4188 }
yuuji@0	4189
yuuji@0	4190
yuuji@0	4191 /* Got APPEND UID data
yuuji@0	4192 * Accepts: mailbox name
yuuji@0	4193 * UID validity
yuuji@0	4194 * destination set of UIDs
yuuji@0	4195 */
yuuji@0	4196
yuuji@0	4197 void appenduid (char mailbox,unsigned long uidvalidity,SEARCHSET set)
yuuji@0	4198 {
yuuji@0	4199 copyuid (NIL,mailbox,uidvalidity,NIL,set);
yuuji@0	4200 }
yuuji@0	4201
yuuji@0	4202
yuuji@0	4203 /* Got a referral
yuuji@0	4204 * Accepts: MAIL stream
yuuji@0	4205 * URL
yuuji@0	4206 * referral type code
yuuji@0	4207 */
yuuji@0	4208
yuuji@0	4209 char referral (MAILSTREAM stream,char *url,long code)
yuuji@0	4210 {
yuuji@0	4211 if (lstref) fs_give ((void **) &lstref);
yuuji@0	4212 lstref = cpystr (url); /* set referral */
yuuji@0	4213 /* set error if not a logged in referral */
yuuji@0	4214 if (code != REFAUTH) response = lose;
yuuji@0	4215 if (!lsterr) lsterr = cpystr ("Try referral URL");
yuuji@0	4216 return NIL; /* don't chase referrals for now */
yuuji@0	4217 }
yuuji@0	4218
yuuji@0	4219 /* Co-routines from MAIL library */
yuuji@0	4220
yuuji@0	4221
yuuji@0	4222 /* Message matches a search
yuuji@0	4223 * Accepts: MAIL stream
yuuji@0	4224 * message number
yuuji@0	4225 */
yuuji@0	4226
yuuji@0	4227 void mm_searched (MAILSTREAM *s,unsigned long msgno)
yuuji@0	4228 {
yuuji@0	4229 /* nothing to do here */
yuuji@0	4230 }
yuuji@0	4231
yuuji@0	4232
yuuji@0	4233 /* Message exists (i.e. there are that many messages in the mailbox)
yuuji@0	4234 * Accepts: MAIL stream
yuuji@0	4235 * message number
yuuji@0	4236 */
yuuji@0	4237
yuuji@0	4238 void mm_exists (MAILSTREAM *s,unsigned long number)
yuuji@0	4239 {
yuuji@0	4240 /* note change in number of messages */
yuuji@0	4241 if ((s != tstream) && (nmsgs != number)) {
yuuji@0	4242 nmsgs = number; /* always update number of messages */
yuuji@0	4243 if (quell_events) existsquelled = T;
yuuji@0	4244 else {
yuuji@0	4245 PSOUT ("* ");
yuuji@0	4246 pnum (nmsgs);
yuuji@0	4247 PSOUT (" EXISTS\015\012");
yuuji@0	4248 }
yuuji@0	4249 recent = 0xffffffff; /* make sure update recent too */
yuuji@0	4250 }
yuuji@0	4251 }
yuuji@0	4252
yuuji@0	4253
yuuji@0	4254 /* Message expunged
yuuji@0	4255 * Accepts: MAIL stream
yuuji@0	4256 * message number
yuuji@0	4257 */
yuuji@0	4258
yuuji@0	4259 void mm_expunged (MAILSTREAM *s,unsigned long number)
yuuji@0	4260 {
yuuji@0	4261 if (quell_events) fatal ("Impossible EXPUNGE event");
yuuji@0	4262 if (s != tstream) {
yuuji@0	4263 PSOUT ("* ");
yuuji@0	4264 pnum (number);
yuuji@0	4265 PSOUT (" EXPUNGE\015\012");
yuuji@0	4266 }
yuuji@0	4267 nmsgs--;
yuuji@0	4268 existsquelled = T; /* do EXISTS when command done */
yuuji@0	4269 }
yuuji@0	4270
yuuji@0	4271
yuuji@0	4272 /* Message status changed
yuuji@0	4273 * Accepts: MAIL stream
yuuji@0	4274 * message number
yuuji@0	4275 */
yuuji@0	4276
yuuji@0	4277 void mm_flags (MAILSTREAM *s,unsigned long number)
yuuji@0	4278 {
yuuji@0	4279 if (s != tstream) mail_elt (s,number)->spare2 = T;
yuuji@0	4280 }
yuuji@0	4281
yuuji@0	4282 /* Mailbox found
yuuji@0	4283 * Accepts: hierarchy delimiter
yuuji@0	4284 * mailbox name
yuuji@0	4285 * attributes
yuuji@0	4286 */
yuuji@0	4287
yuuji@0	4288 void mm_list (MAILSTREAM stream,int delimiter,char name,long attributes)
yuuji@0	4289 {
yuuji@0	4290 mm_list_work ("LIST",delimiter,name,attributes);
yuuji@0	4291 }
yuuji@0	4292
yuuji@0	4293
yuuji@0	4294 /* Subscribed mailbox found
yuuji@0	4295 * Accepts: hierarchy delimiter
yuuji@0	4296 * mailbox name
yuuji@0	4297 * attributes
yuuji@0	4298 */
yuuji@0	4299
yuuji@0	4300 void mm_lsub (MAILSTREAM stream,int delimiter,char name,long attributes)
yuuji@0	4301 {
yuuji@0	4302 mm_list_work ("LSUB",delimiter,name,attributes);
yuuji@0	4303 }
yuuji@0	4304
yuuji@0	4305
yuuji@0	4306 /* Mailbox status
yuuji@0	4307 * Accepts: MAIL stream
yuuji@0	4308 * mailbox name
yuuji@0	4309 * mailbox status
yuuji@0	4310 */
yuuji@0	4311
yuuji@0	4312 void mm_status (MAILSTREAM stream,char mailbox,MAILSTATUS *status)
yuuji@0	4313 {
yuuji@0	4314 if (!quell_events) {
yuuji@0	4315 char tmp[MAILTMPLEN];
yuuji@0	4316 tmp[0] = tmp[1] = '\0';
yuuji@0	4317 if (status->flags & SA_MESSAGES)
yuuji@0	4318 sprintf (tmp + strlen (tmp)," MESSAGES %lu",status->messages);
yuuji@0	4319 if (status->flags & SA_RECENT)
yuuji@0	4320 sprintf (tmp + strlen (tmp)," RECENT %lu",status->recent);
yuuji@0	4321 if (status->flags & SA_UNSEEN)
yuuji@0	4322 sprintf (tmp + strlen (tmp)," UNSEEN %lu",status->unseen);
yuuji@0	4323 if (status->flags & SA_UIDNEXT)
yuuji@0	4324 sprintf (tmp + strlen (tmp)," UIDNEXT %lu",status->uidnext);
yuuji@0	4325 if (status->flags & SA_UIDVALIDITY)
yuuji@0	4326 sprintf (tmp + strlen(tmp)," UIDVALIDITY %lu",status->uidvalidity);
yuuji@0	4327 PSOUT ("* STATUS ");
yuuji@0	4328 pastring (mailbox);
yuuji@0	4329 PSOUT (" (");
yuuji@0	4330 PSOUT (tmp+1);
yuuji@0	4331 PBOUT (')');
yuuji@0	4332 CRLF;
yuuji@0	4333 }
yuuji@0	4334 }
yuuji@0	4335
yuuji@0	4336 /* Worker routine for LIST and LSUB
yuuji@0	4337 * Accepts: name of response
yuuji@0	4338 * hierarchy delimiter
yuuji@0	4339 * mailbox name
yuuji@0	4340 * attributes
yuuji@0	4341 */
yuuji@0	4342
yuuji@0	4343 void mm_list_work (char what,int delimiter,char name,long attributes)
yuuji@0	4344 {
yuuji@0	4345 char *s;
yuuji@0	4346 if (!quell_events) {
yuuji@0	4347 char tmp[MAILTMPLEN];
yuuji@0	4348 if (finding) {
yuuji@0	4349 PSOUT ("* MAILBOX ");
yuuji@0	4350 PSOUT (name);
yuuji@0	4351 }
yuuji@0	4352 /* new form */
yuuji@0	4353 else if ((cmd[0] == 'R') \|\| !(attributes & LATT_REFERRAL)) {
yuuji@0	4354 PSOUT ("* ");
yuuji@0	4355 PSOUT (what);
yuuji@0	4356 PSOUT (" (");
yuuji@0	4357 tmp[0] = tmp[1] = '\0';
yuuji@0	4358 if (attributes & LATT_NOINFERIORS) strcat (tmp," \\NoInferiors");
yuuji@0	4359 if (attributes & LATT_NOSELECT) strcat (tmp," \\NoSelect");
yuuji@0	4360 if (attributes & LATT_MARKED) strcat (tmp," \\Marked");
yuuji@0	4361 if (attributes & LATT_UNMARKED) strcat (tmp," \\UnMarked");
yuuji@0	4362 if (attributes & LATT_HASCHILDREN) strcat (tmp," \\HasChildren");
yuuji@0	4363 if (attributes & LATT_HASNOCHILDREN) strcat (tmp," \\HasNoChildren");
yuuji@0	4364 PSOUT (tmp+1);
yuuji@0	4365 switch (delimiter) {
yuuji@0	4366 case '\\': /* quoted delimiter */
yuuji@0	4367 case '"':
yuuji@0	4368 PSOUT (") \"\\");
yuuji@0	4369 PBOUT (delimiter);
yuuji@0	4370 PBOUT ('"');
yuuji@0	4371 break;
yuuji@0	4372 case '\0': /* no delimiter */
yuuji@0	4373 PSOUT (") NIL");
yuuji@0	4374 break;
yuuji@0	4375 default: /* unquoted delimiter */
yuuji@0	4376 PSOUT (") \"");
yuuji@0	4377 PBOUT (delimiter);
yuuji@0	4378 PBOUT ('"');
yuuji@0	4379 break;
yuuji@0	4380 }
yuuji@0	4381 PBOUT (' ');
yuuji@0	4382 /* output mailbox name */
yuuji@0	4383 if (proxylist && (s = strchr (name,'}'))) pastring (s+1);
yuuji@0	4384 else pastring (name);
yuuji@0	4385 }
yuuji@0	4386 CRLF;
yuuji@0	4387 }
yuuji@0	4388 }
yuuji@0	4389
yuuji@0	4390 /* Notification event
yuuji@0	4391 * Accepts: MAIL stream
yuuji@0	4392 * string to log
yuuji@0	4393 * error flag
yuuji@0	4394 */
yuuji@0	4395
yuuji@0	4396 void mm_notify (MAILSTREAM stream,char string,long errflg)
yuuji@0	4397 {
yuuji@0	4398 SIZEDTEXT msg;
yuuji@0	4399 char s,code;
yuuji@0	4400 if (!quell_events && (!tstream \|\| (stream != tstream))) {
yuuji@0	4401 switch (errflg) {
yuuji@0	4402 case NIL: /* information message, set as OK response */
yuuji@0	4403 if ((string[0] == '[') &&
yuuji@0	4404 ((string[1] == 'T') \|\| (string[1] == 't')) &&
yuuji@0	4405 ((string[2] == 'R') \|\| (string[2] == 'r')) &&
yuuji@0	4406 ((string[3] == 'Y') \|\| (string[3] == 'y')) &&
yuuji@0	4407 ((string[4] == 'C') \|\| (string[4] == 'c')) &&
yuuji@0	4408 ((string[5] == 'R') \|\| (string[5] == 'r')) &&
yuuji@0	4409 ((string[6] == 'E') \|\| (string[6] == 'e')) &&
yuuji@0	4410 ((string[7] == 'A') \|\| (string[7] == 'a')) &&
yuuji@0	4411 ((string[8] == 'T') \|\| (string[8] == 't')) &&
yuuji@0	4412 ((string[9] == 'E') \|\| (string[9] == 'e')) && (string[10] == ']'))
yuuji@0	4413 trycreate = T;
yuuji@0	4414 case BYE: /* some other server signing off */
yuuji@0	4415 case PARSE: /* parse glitch, output unsolicited OK */
yuuji@0	4416 code = "* OK ";
yuuji@0	4417 break;
yuuji@0	4418 case WARN: /* warning, output unsolicited NO (kludge!) */
yuuji@0	4419 code = "* NO ";
yuuji@0	4420 break;
yuuji@0	4421 case ERROR: /* error that broke command */
yuuji@0	4422 default: /* default should never happen */
yuuji@0	4423 code = "* BAD ";
yuuji@0	4424 break;
yuuji@0	4425 }
yuuji@0	4426 PSOUT (code);
yuuji@0	4427 msg.size = (s = strpbrk ((char ) (msg.data = (unsigned char ) string),
yuuji@0	4428 "\015\012")) ?
yuuji@0	4429 (s - string) : strlen (string);
yuuji@0	4430 PSOUTR (&msg);
yuuji@0	4431 CRLF;
yuuji@0	4432 PFLUSH (); /* let client see it immediately */
yuuji@0	4433 }
yuuji@0	4434 }
yuuji@0	4435
yuuji@0	4436 /* Log an event for the user to see
yuuji@0	4437 * Accepts: string to log
yuuji@0	4438 * error flag
yuuji@0	4439 */
yuuji@0	4440
yuuji@0	4441 void mm_log (char *string,long errflg)
yuuji@0	4442 {
yuuji@0	4443 SIZEDTEXT msg;
yuuji@0	4444 char *s;
yuuji@0	4445 msg.size =
yuuji@0	4446 (s = strpbrk ((char ) (msg.data = (unsigned char ) string),"\015\012")) ?
yuuji@0	4447 (s - string) : strlen (string);
yuuji@0	4448 switch (errflg) {
yuuji@0	4449 case NIL: /* information message, set as OK response */
yuuji@0	4450 if (response == win) { /* only if no other response yet */
yuuji@0	4451 if (lsterr) { /* if there was a previous message */
yuuji@0	4452 if (!quell_events) {
yuuji@0	4453 PSOUT ("* OK "); /* blat it out */
yuuji@0	4454 PSOUT (lsterr);
yuuji@0	4455 CRLF;
yuuji@0	4456 PFLUSH (); /* let client see it immediately */
yuuji@0	4457 }
yuuji@0	4458 fs_give ((void **) &lsterr);
yuuji@0	4459 }
yuuji@0	4460 lsterr = cpystr (string); /* copy string for later use */
yuuji@0	4461 if (s) lsterr[s - string] = NIL;
yuuji@0	4462 }
yuuji@0	4463 break;
yuuji@0	4464 case PARSE: /* parse glitch, output unsolicited OK */
yuuji@0	4465 if (!quell_events) {
yuuji@0	4466 PSOUT ("* OK [PARSE] ");
yuuji@0	4467 PSOUTR (&msg);
yuuji@0	4468 CRLF;
yuuji@0	4469 PFLUSH (); /* let client see it immediately */
yuuji@0	4470 }
yuuji@0	4471 break;
yuuji@0	4472 case WARN: /* warning, output unsolicited NO */
yuuji@0	4473 /* ignore "Mailbox is empty" (KLUDGE!) */
yuuji@0	4474 if (strcmp (string,"Mailbox is empty")) {
yuuji@0	4475 if (lstwrn) { /* have previous warning? */
yuuji@0	4476 if (!quell_events) {
yuuji@0	4477 PSOUT ("* NO ");
yuuji@0	4478 PSOUT (lstwrn);
yuuji@0	4479 CRLF;
yuuji@0	4480 PFLUSH (); /* make sure client sees it immediately */
yuuji@0	4481 }
yuuji@0	4482 fs_give ((void **) &lstwrn);
yuuji@0	4483 }
yuuji@0	4484 lstwrn = cpystr (string); /* note last warning */
yuuji@0	4485 if (s) lstwrn[s - string] = NIL;
yuuji@0	4486 }
yuuji@0	4487 break;
yuuji@0	4488 case ERROR: /* error that broke command */
yuuji@0	4489 default: /* default should never happen */
yuuji@0	4490 response = trycreate ? losetry : lose;
yuuji@0	4491 if (lsterr) fs_give ((void **) &lsterr);
yuuji@0	4492 lsterr = cpystr (string); /* note last error */
yuuji@0	4493 if (s) lsterr[s - string] = NIL;
yuuji@0	4494 break;
yuuji@0	4495 }
yuuji@0	4496 }
yuuji@0	4497
yuuji@0	4498 /* Return last error
yuuji@0	4499 */
yuuji@0	4500
yuuji@0	4501 char *lasterror (void)
yuuji@0	4502 {
yuuji@0	4503 if (lsterr) return lsterr;
yuuji@0	4504 if (lstwrn) return lstwrn;
yuuji@0	4505 return "<unknown>";
yuuji@0	4506 }
yuuji@0	4507
yuuji@0	4508
yuuji@0	4509 /* Log an event to debugging telemetry
yuuji@0	4510 * Accepts: string to log
yuuji@0	4511 */
yuuji@0	4512
yuuji@0	4513 void mm_dlog (char *string)
yuuji@0	4514 {
yuuji@0	4515 mm_log (string,WARN); /* shouldn't happen normally */
yuuji@0	4516 }
yuuji@0	4517
yuuji@0	4518 /* Get user name and password for this host
yuuji@0	4519 * Accepts: parse of network user name
yuuji@0	4520 * where to return user name
yuuji@0	4521 * where to return password
yuuji@0	4522 * trial count
yuuji@0	4523 */
yuuji@0	4524
yuuji@0	4525 void mm_login (NETMBX mb,char username,char *password,long trial)
yuuji@0	4526 {
yuuji@0	4527 /* set user name */
yuuji@0	4528 strncpy (username,mb->user ? mb->user : (char ) user,NETMAXUSER);
yuuji@0	4529 strncpy (password,pass,256); /* and password */
yuuji@0	4530 }
yuuji@0	4531
yuuji@0	4532
yuuji@0	4533 /* About to enter critical code
yuuji@0	4534 * Accepts: stream
yuuji@0	4535 */
yuuji@0	4536
yuuji@0	4537 void mm_critical (MAILSTREAM *s)
yuuji@0	4538 {
yuuji@0	4539 ++critical;
yuuji@0	4540 }
yuuji@0	4541
yuuji@0	4542
yuuji@0	4543 /* About to exit critical code
yuuji@0	4544 * Accepts: stream
yuuji@0	4545 */
yuuji@0	4546
yuuji@0	4547 void mm_nocritical (MAILSTREAM *s)
yuuji@0	4548 {
yuuji@0	4549 /* go non-critical, pending death? */
yuuji@0	4550 if (!--critical && (state == LOGOUT)) {
yuuji@0	4551 /* clean up iff needed */
yuuji@0	4552 if (s && (stream != s) && !s->lock && (s->dtb->flags & DR_XPOINT))
yuuji@0	4553 s = mail_close (s);
yuuji@0	4554 longjmp (jmpenv,1); /* die now */
yuuji@0	4555 }
yuuji@0	4556 }
yuuji@0	4557
yuuji@0	4558 /* Disk error found
yuuji@0	4559 * Accepts: stream
yuuji@0	4560 * system error code
yuuji@0	4561 * flag indicating that mailbox may be clobbered
yuuji@0	4562 * Returns: abort flag
yuuji@0	4563 */
yuuji@0	4564
yuuji@0	4565 long mm_diskerror (MAILSTREAM *s,long errcode,long serious)
yuuji@0	4566 {
yuuji@0	4567 if (serious) { /* try your damnest if clobberage likely */
yuuji@0	4568 mm_notify (s,"Retrying to fix probable mailbox damage!",ERROR);
yuuji@0	4569 PFLUSH (); /* dump output buffer */
yuuji@0	4570 syslog (LOG_ALERT,
yuuji@0	4571 "Retrying after disk error user=%.80s host=%.80s mbx=%.80s: %.80s",
yuuji@0	4572 user ? (char *) user : "???",tcp_clienthost (),
yuuji@0	4573 (stream && stream->mailbox) ? stream->mailbox : "???",
yuuji@0	4574 strerror (errcode));
yuuji@0	4575 settimeout (0); /* make damn sure timeout disabled */
yuuji@0	4576 sleep (60); /* give it some time to clear up */
yuuji@0	4577 return NIL;
yuuji@0	4578 }
yuuji@0	4579 if (!quell_events) { /* otherwise die before more damage is done */
yuuji@0	4580 PSOUT ("* NO Disk error: ");
yuuji@0	4581 PSOUT (strerror (errcode));
yuuji@0	4582 CRLF;
yuuji@0	4583 }
yuuji@0	4584 return T;
yuuji@0	4585 }
yuuji@0	4586
yuuji@0	4587
yuuji@0	4588 /* Log a fatal error event
yuuji@0	4589 * Accepts: string to log
yuuji@0	4590 */
yuuji@0	4591
yuuji@0	4592 void mm_fatal (char *string)
yuuji@0	4593 {
yuuji@0	4594 SIZEDTEXT msg;
yuuji@0	4595 char *s;
yuuji@0	4596 msg.size =
yuuji@0	4597 (s = strpbrk ((char ) (msg.data = (unsigned char ) string),"\015\012")) ?
yuuji@0	4598 (s - string) : strlen (string);
yuuji@0	4599 if (!quell_events) {
yuuji@0	4600 PSOUT ("* BYE [ALERT] IMAP4rev1 server crashing: ");
yuuji@0	4601 PSOUTR (&msg);
yuuji@0	4602 CRLF;
yuuji@0	4603 PFLUSH ();
yuuji@0	4604 }
yuuji@0	4605 syslog (LOG_ALERT,"Fatal error user=%.80s host=%.80s mbx=%.80s: %.80s",
yuuji@0	4606 user ? (char *) user : "???",tcp_clienthost (),
yuuji@0	4607 (stream && stream->mailbox) ? stream->mailbox : "???",string);
yuuji@0	4608 }