imapext-2007

annotate src/osdep/amiga/dummy.c @ 0:ada5e610ab86

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imap-2007e
author yuuji@gentei.org
date Mon, 14 Sep 2009 15:17:45 +0900
parents
children
rev   line source
yuuji@0 1 /* ========================================================================
yuuji@0 2 * Copyright 1988-2007 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: Dummy routines
yuuji@0 16 *
yuuji@0 17 * Author: Mark Crispin
yuuji@0 18 * Networks and Distributed Computing
yuuji@0 19 * Computing & Communications
yuuji@0 20 * University of Washington
yuuji@0 21 * Administration Building, AG-44
yuuji@0 22 * Seattle, WA 98195
yuuji@0 23 * Internet: MRC@CAC.Washington.EDU
yuuji@0 24 *
yuuji@0 25 * Date: 9 May 1991
yuuji@0 26 * Last Edited: 1 June 2007
yuuji@0 27 */
yuuji@0 28
yuuji@0 29
yuuji@0 30 #include <stdio.h>
yuuji@0 31 #include <ctype.h>
yuuji@0 32 #include <errno.h>
yuuji@0 33 extern int errno; /* just in case */
yuuji@0 34 #include "mail.h"
yuuji@0 35 #include "osdep.h"
yuuji@0 36 #include <pwd.h>
yuuji@0 37 #include <sys/stat.h>
yuuji@0 38 #include "dummy.h"
yuuji@0 39 #include "misc.h"
yuuji@0 40
yuuji@0 41 /* Function prototypes */
yuuji@0 42
yuuji@0 43 DRIVER *dummy_valid (char *name);
yuuji@0 44 void *dummy_parameters (long function,void *value);
yuuji@0 45 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 46 long level);
yuuji@0 47 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 48 long attributes,char *contents);
yuuji@0 49 long dummy_subscribe (MAILSTREAM *stream,char *mailbox);
yuuji@0 50 MAILSTREAM *dummy_open (MAILSTREAM *stream);
yuuji@0 51 void dummy_close (MAILSTREAM *stream,long options);
yuuji@0 52 long dummy_ping (MAILSTREAM *stream);
yuuji@0 53 void dummy_check (MAILSTREAM *stream);
yuuji@0 54 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options);
yuuji@0 55 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
yuuji@0 56 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
yuuji@0 57
yuuji@0 58 /* Dummy routines */
yuuji@0 59
yuuji@0 60
yuuji@0 61 /* Driver dispatch used by MAIL */
yuuji@0 62
yuuji@0 63 DRIVER dummydriver = {
yuuji@0 64 "dummy", /* driver name */
yuuji@0 65 DR_LOCAL|DR_MAIL, /* driver flags */
yuuji@0 66 (DRIVER *) NIL, /* next driver */
yuuji@0 67 dummy_valid, /* mailbox is valid for us */
yuuji@0 68 dummy_parameters, /* manipulate parameters */
yuuji@0 69 dummy_scan, /* scan mailboxes */
yuuji@0 70 dummy_list, /* list mailboxes */
yuuji@0 71 dummy_lsub, /* list subscribed mailboxes */
yuuji@0 72 dummy_subscribe, /* subscribe to mailbox */
yuuji@0 73 NIL, /* unsubscribe from mailbox */
yuuji@0 74 dummy_create, /* create mailbox */
yuuji@0 75 dummy_delete, /* delete mailbox */
yuuji@0 76 dummy_rename, /* rename mailbox */
yuuji@0 77 mail_status_default, /* status of mailbox */
yuuji@0 78 dummy_open, /* open mailbox */
yuuji@0 79 dummy_close, /* close mailbox */
yuuji@0 80 NIL, /* fetch message "fast" attributes */
yuuji@0 81 NIL, /* fetch message flags */
yuuji@0 82 NIL, /* fetch overview */
yuuji@0 83 NIL, /* fetch message structure */
yuuji@0 84 NIL, /* fetch header */
yuuji@0 85 NIL, /* fetch text */
yuuji@0 86 NIL, /* fetch message data */
yuuji@0 87 NIL, /* unique identifier */
yuuji@0 88 NIL, /* message number from UID */
yuuji@0 89 NIL, /* modify flags */
yuuji@0 90 NIL, /* per-message modify flags */
yuuji@0 91 NIL, /* search for message based on criteria */
yuuji@0 92 NIL, /* sort messages */
yuuji@0 93 NIL, /* thread messages */
yuuji@0 94 dummy_ping, /* ping mailbox to see if still alive */
yuuji@0 95 dummy_check, /* check for new messages */
yuuji@0 96 dummy_expunge, /* expunge deleted messages */
yuuji@0 97 dummy_copy, /* copy messages to another mailbox */
yuuji@0 98 dummy_append, /* append string message to mailbox */
yuuji@0 99 NIL /* garbage collect stream */
yuuji@0 100 };
yuuji@0 101
yuuji@0 102 /* prototype stream */
yuuji@0 103 MAILSTREAM dummyproto = {&dummydriver};
yuuji@0 104
yuuji@0 105 /* Dummy validate mailbox
yuuji@0 106 * Accepts: mailbox name
yuuji@0 107 * Returns: our driver if name is valid, NIL otherwise
yuuji@0 108 */
yuuji@0 109
yuuji@0 110 DRIVER *dummy_valid (char *name)
yuuji@0 111 {
yuuji@0 112 char *s,tmp[MAILTMPLEN];
yuuji@0 113 struct stat sbuf;
yuuji@0 114 /* must be valid local mailbox */
yuuji@0 115 if (name && *name && (*name != '{') && (s = mailboxfile (tmp,name))) {
yuuji@0 116 /* indeterminate clearbox INBOX */
yuuji@0 117 if (!*s) return &dummydriver;
yuuji@0 118 else if (!stat (s,&sbuf)) switch (sbuf.st_mode & S_IFMT) {
yuuji@0 119 case S_IFREG:
yuuji@0 120 case S_IFDIR:
yuuji@0 121 return &dummydriver;
yuuji@0 122 }
yuuji@0 123 /* blackbox INBOX does not exist yet */
yuuji@0 124 else if (!compare_cstring (name,"INBOX")) return &dummydriver;
yuuji@0 125 }
yuuji@0 126 return NIL;
yuuji@0 127 }
yuuji@0 128
yuuji@0 129
yuuji@0 130 /* Dummy manipulate driver parameters
yuuji@0 131 * Accepts: function code
yuuji@0 132 * function-dependent value
yuuji@0 133 * Returns: function-dependent return value
yuuji@0 134 */
yuuji@0 135
yuuji@0 136 void *dummy_parameters (long function,void *value)
yuuji@0 137 {
yuuji@0 138 void *ret = NIL;
yuuji@0 139 switch ((int) function) {
yuuji@0 140 case GET_INBOXPATH:
yuuji@0 141 if (value) ret = dummy_file ((char *) value,"INBOX");
yuuji@0 142 break;
yuuji@0 143 }
yuuji@0 144 return ret;
yuuji@0 145 }
yuuji@0 146
yuuji@0 147 /* Dummy scan mailboxes
yuuji@0 148 * Accepts: mail stream
yuuji@0 149 * reference
yuuji@0 150 * pattern to search
yuuji@0 151 * string to scan
yuuji@0 152 */
yuuji@0 153
yuuji@0 154 void dummy_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents)
yuuji@0 155 {
yuuji@0 156 DRIVER *drivers;
yuuji@0 157 char *s,test[MAILTMPLEN],file[MAILTMPLEN];
yuuji@0 158 long i;
yuuji@0 159 if (!pat || !*pat) { /* empty pattern? */
yuuji@0 160 if (dummy_canonicalize (test,ref,"*")) {
yuuji@0 161 /* tie off name at root */
yuuji@0 162 if (s = strchr (test,'/')) *++s = '\0';
yuuji@0 163 else test[0] = '\0';
yuuji@0 164 dummy_listed (stream,'/',test,LATT_NOSELECT,NIL);
yuuji@0 165 }
yuuji@0 166 }
yuuji@0 167 /* get canonical form of name */
yuuji@0 168 else if (dummy_canonicalize (test,ref,pat)) {
yuuji@0 169 /* found any wildcards? */
yuuji@0 170 if (s = strpbrk (test,"%*")) {
yuuji@0 171 /* yes, copy name up to that point */
yuuji@0 172 strncpy (file,test,i = s - test);
yuuji@0 173 file[i] = '\0'; /* tie off */
yuuji@0 174 }
yuuji@0 175 else strcpy (file,test); /* use just that name then */
yuuji@0 176 if (s = strrchr (file,'/')){/* find directory name */
yuuji@0 177 *++s = '\0'; /* found, tie off at that point */
yuuji@0 178 s = file;
yuuji@0 179 }
yuuji@0 180 /* silly case */
yuuji@0 181 else if ((file[0] == '~') || (file[0] == '#')) s = file;
yuuji@0 182 /* do the work */
yuuji@0 183 dummy_list_work (stream,s,test,contents,0);
yuuji@0 184 /* always an INBOX */
yuuji@0 185 if (pmatch ("INBOX",ucase (test))) {
yuuji@0 186 /* done if have a dirfmt INBOX */
yuuji@0 187 for (drivers = (DRIVER *) mail_parameters (NIL,GET_DRIVERS,NIL);
yuuji@0 188 drivers && !(!(drivers->flags & DR_DISABLE) &&
yuuji@0 189 (drivers->flags & DR_DIRFMT) &&
yuuji@0 190 (*drivers->valid) ("INBOX")); drivers = drivers->next);
yuuji@0 191 /* list INBOX appropriately */
yuuji@0 192 dummy_listed (stream,drivers ? '/' : NIL,"INBOX",
yuuji@0 193 drivers ? NIL : LATT_NOINFERIORS,contents);
yuuji@0 194 }
yuuji@0 195 }
yuuji@0 196 }
yuuji@0 197
yuuji@0 198
yuuji@0 199 /* Dummy list mailboxes
yuuji@0 200 * Accepts: mail stream
yuuji@0 201 * reference
yuuji@0 202 * pattern to search
yuuji@0 203 */
yuuji@0 204
yuuji@0 205 void dummy_list (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 206 {
yuuji@0 207 dummy_scan (stream,ref,pat,NIL);
yuuji@0 208 }
yuuji@0 209
yuuji@0 210 /* Dummy list subscribed mailboxes
yuuji@0 211 * Accepts: mail stream
yuuji@0 212 * reference
yuuji@0 213 * pattern to search
yuuji@0 214 */
yuuji@0 215
yuuji@0 216 void dummy_lsub (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 217 {
yuuji@0 218 void *sdb = NIL;
yuuji@0 219 char *s,*t,test[MAILTMPLEN],tmp[MAILTMPLEN];
yuuji@0 220 int showuppers = pat[strlen (pat) - 1] == '%';
yuuji@0 221 /* get canonical form of name */
yuuji@0 222 if (dummy_canonicalize (test,ref,pat) && (s = sm_read (&sdb))) do
yuuji@0 223 if (*s != '{') {
yuuji@0 224 if (!compare_cstring (s,"INBOX") &&
yuuji@0 225 pmatch ("INBOX",ucase (strcpy (tmp,test))))
yuuji@0 226 mm_lsub (stream,NIL,s,LATT_NOINFERIORS);
yuuji@0 227 else if (pmatch_full (s,test,'/')) mm_lsub (stream,'/',s,NIL);
yuuji@0 228 else while (showuppers && (t = strrchr (s,'/'))) {
yuuji@0 229 *t = '\0'; /* tie off the name */
yuuji@0 230 if (pmatch_full (s,test,'/')) mm_lsub (stream,'/',s,LATT_NOSELECT);
yuuji@0 231 }
yuuji@0 232 }
yuuji@0 233 while (s = sm_read (&sdb)); /* until no more subscriptions */
yuuji@0 234 }
yuuji@0 235
yuuji@0 236
yuuji@0 237 /* Dummy subscribe to mailbox
yuuji@0 238 * Accepts: mail stream
yuuji@0 239 * mailbox to add to subscription list
yuuji@0 240 * Returns: T on success, NIL on failure
yuuji@0 241 */
yuuji@0 242
yuuji@0 243 long dummy_subscribe (MAILSTREAM *stream,char *mailbox)
yuuji@0 244 {
yuuji@0 245 char *s,tmp[MAILTMPLEN];
yuuji@0 246 struct stat sbuf;
yuuji@0 247 /* must be valid local mailbox */
yuuji@0 248 if ((s = mailboxfile (tmp,mailbox)) && *s && !stat (s,&sbuf))
yuuji@0 249 switch (sbuf.st_mode & S_IFMT) {
yuuji@0 250 case S_IFDIR: /* allow but snarl */
yuuji@0 251 sprintf (tmp,"CLIENT BUG DETECTED: subscribe of non-mailbox directory %.80s",
yuuji@0 252 mailbox);
yuuji@0 253 MM_NOTIFY (stream,tmp,WARN);
yuuji@0 254 case S_IFREG:
yuuji@0 255 return sm_subscribe (mailbox);
yuuji@0 256 }
yuuji@0 257 sprintf (tmp,"Can't subscribe %.80s: not a mailbox",mailbox);
yuuji@0 258 MM_LOG (tmp,ERROR);
yuuji@0 259 return NIL;
yuuji@0 260 }
yuuji@0 261
yuuji@0 262 /* Dummy list mailboxes worker routine
yuuji@0 263 * Accepts: mail stream
yuuji@0 264 * directory name to search
yuuji@0 265 * search pattern
yuuji@0 266 * string to scan
yuuji@0 267 * search level
yuuji@0 268 */
yuuji@0 269
yuuji@0 270 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 271 long level)
yuuji@0 272 {
yuuji@0 273 DRIVER *drivers;
yuuji@0 274 dirfmttest_t dt;
yuuji@0 275 DIR *dp;
yuuji@0 276 struct direct *d;
yuuji@0 277 struct stat sbuf;
yuuji@0 278 char tmp[MAILTMPLEN],path[MAILTMPLEN];
yuuji@0 279 size_t len = 0;
yuuji@0 280 /* punt if bogus name */
yuuji@0 281 if (!mailboxdir (tmp,dir,NIL)) return;
yuuji@0 282 if (dp = opendir (tmp)) { /* do nothing if can't open directory */
yuuji@0 283 /* see if a non-namespace directory format */
yuuji@0 284 for (drivers = (DRIVER *) mail_parameters (NIL,GET_DRIVERS,NIL), dt = NIL;
yuuji@0 285 dir && !dt && drivers; drivers = drivers->next)
yuuji@0 286 if (!(drivers->flags & DR_DISABLE) && (drivers->flags & DR_DIRFMT) &&
yuuji@0 287 (*drivers->valid) (dir))
yuuji@0 288 dt = mail_parameters ((*drivers->open) (NIL),GET_DIRFMTTEST,NIL);
yuuji@0 289 /* list it if at top-level */
yuuji@0 290 if (!level && dir && pmatch_full (dir,pat,'/') && !pmatch (dir,"INBOX"))
yuuji@0 291 dummy_listed (stream,'/',dir,dt ? NIL : LATT_NOSELECT,contents);
yuuji@0 292
yuuji@0 293 /* scan directory, ignore . and .. */
yuuji@0 294 if (!dir || dir[(len = strlen (dir)) - 1] == '/') while (d = readdir (dp))
yuuji@0 295 if ((!(dt && (*dt) (d->d_name))) &&
yuuji@0 296 ((d->d_name[0] != '.') ||
yuuji@0 297 (((long) mail_parameters (NIL,GET_HIDEDOTFILES,NIL)) ? NIL :
yuuji@0 298 (d->d_name[1] && (((d->d_name[1] != '.') || d->d_name[2]))))) &&
yuuji@0 299 ((len + strlen (d->d_name)) <= NETMAXMBX)) {
yuuji@0 300 /* see if name is useful */
yuuji@0 301 if (dir) sprintf (tmp,"%s%s",dir,d->d_name);
yuuji@0 302 else strcpy (tmp,d->d_name);
yuuji@0 303 /* make sure useful and can get info */
yuuji@0 304 if ((pmatch_full (strcpy (path,tmp),pat,'/') ||
yuuji@0 305 pmatch_full (strcat (path,"/"),pat,'/') ||
yuuji@0 306 dmatch (path,pat,'/')) &&
yuuji@0 307 mailboxdir (path,dir,"x") && (len = strlen (path)) &&
yuuji@0 308 strcpy (path+len-1,d->d_name) && !stat (path,&sbuf)) {
yuuji@0 309 /* only interested in file type */
yuuji@0 310 switch (sbuf.st_mode & S_IFMT) {
yuuji@0 311 case S_IFDIR: /* directory? */
yuuji@0 312 /* form with trailing / */
yuuji@0 313 sprintf (path,"%s/",tmp);
yuuji@0 314 /* skip listing if INBOX */
yuuji@0 315 if (!pmatch (tmp,"INBOX")) {
yuuji@0 316 if (pmatch_full (tmp,pat,'/')) {
yuuji@0 317 if (!dummy_listed (stream,'/',tmp,LATT_NOSELECT,contents))
yuuji@0 318 break;
yuuji@0 319 }
yuuji@0 320 /* try again with trailing / */
yuuji@0 321 else if (pmatch_full (path,pat,'/') &&
yuuji@0 322 !dummy_listed (stream,'/',path,LATT_NOSELECT,contents))
yuuji@0 323 break;
yuuji@0 324 }
yuuji@0 325 if (dmatch (path,pat,'/') &&
yuuji@0 326 (level < (long) mail_parameters (NIL,GET_LISTMAXLEVEL,NIL)))
yuuji@0 327 dummy_list_work (stream,path,pat,contents,level+1);
yuuji@0 328 break;
yuuji@0 329 case S_IFREG: /* ordinary name */
yuuji@0 330 /* Must use ctime for systems that don't update mtime properly */
yuuji@0 331 if (pmatch_full (tmp,pat,'/') && compare_cstring (tmp,"INBOX"))
yuuji@0 332 dummy_listed (stream,'/',tmp,LATT_NOINFERIORS +
yuuji@0 333 ((sbuf.st_size && (sbuf.st_atime < sbuf.st_ctime))?
yuuji@0 334 LATT_MARKED : LATT_UNMARKED),contents);
yuuji@0 335 break;
yuuji@0 336 }
yuuji@0 337 }
yuuji@0 338 }
yuuji@0 339 closedir (dp); /* all done, flush directory */
yuuji@0 340 }
yuuji@0 341 }
yuuji@0 342
yuuji@0 343 /* Scan file for contents
yuuji@0 344 * Accepts: driver to use
yuuji@0 345 * file name
yuuji@0 346 * desired contents
yuuji@0 347 * length of contents
yuuji@0 348 * size of file
yuuji@0 349 * Returns: NIL if contents not found, T if found
yuuji@0 350 */
yuuji@0 351
yuuji@0 352 long scan_contents (DRIVER *dtb,char *name,char *contents,
yuuji@0 353 unsigned long csiz,unsigned long fsiz)
yuuji@0 354 {
yuuji@0 355 scancontents_t sc = dtb ?
yuuji@0 356 (scancontents_t) (*dtb->parameters) (GET_SCANCONTENTS,NIL) : NIL;
yuuji@0 357 return (*(sc ? sc : dummy_scan_contents)) (name,contents,csiz,fsiz);
yuuji@0 358 }
yuuji@0 359
yuuji@0 360
yuuji@0 361 /* Scan file for contents
yuuji@0 362 * Accepts: file name
yuuji@0 363 * desired contents
yuuji@0 364 * length of contents
yuuji@0 365 * size of file
yuuji@0 366 * Returns: NIL if contents not found, T if found
yuuji@0 367 */
yuuji@0 368
yuuji@0 369 #define BUFSIZE 4*MAILTMPLEN
yuuji@0 370
yuuji@0 371 long dummy_scan_contents (char *name,char *contents,unsigned long csiz,
yuuji@0 372 unsigned long fsiz)
yuuji@0 373 {
yuuji@0 374 int fd;
yuuji@0 375 unsigned long ssiz,bsiz;
yuuji@0 376 char *buf;
yuuji@0 377 /* forget it if can't select or open */
yuuji@0 378 if ((fd = open (name,O_RDONLY,NIL)) >= 0) {
yuuji@0 379 /* get buffer including slop */
yuuji@0 380 buf = (char *) fs_get (BUFSIZE + (ssiz = 4 * ((csiz / 4) + 1)) + 1);
yuuji@0 381 memset (buf,'\0',ssiz); /* no slop area the first time */
yuuji@0 382 while (fsiz) { /* until end of file */
yuuji@0 383 read (fd,buf+ssiz,bsiz = min (fsiz,BUFSIZE));
yuuji@0 384 if (search ((unsigned char *) buf,bsiz+ssiz,
yuuji@0 385 (unsigned char *) contents,csiz)) break;
yuuji@0 386 memcpy (buf,buf+BUFSIZE,ssiz);
yuuji@0 387 fsiz -= bsiz; /* note that we read that much */
yuuji@0 388 }
yuuji@0 389 fs_give ((void **) &buf); /* flush buffer */
yuuji@0 390 close (fd); /* finished with file */
yuuji@0 391 if (fsiz) return T; /* found */
yuuji@0 392 }
yuuji@0 393 return NIL; /* not found */
yuuji@0 394 }
yuuji@0 395
yuuji@0 396 /* Mailbox found
yuuji@0 397 * Accepts: MAIL stream
yuuji@0 398 * hierarchy delimiter
yuuji@0 399 * mailbox name
yuuji@0 400 * attributes
yuuji@0 401 * contents to search before calling mm_list()
yuuji@0 402 * Returns: NIL if should abort hierarchy search, else T (currently always)
yuuji@0 403 */
yuuji@0 404
yuuji@0 405 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 406 long attributes,char *contents)
yuuji@0 407 {
yuuji@0 408 DRIVER *d;
yuuji@0 409 DIR *dp;
yuuji@0 410 struct direct *dr;
yuuji@0 411 dirfmttest_t dt;
yuuji@0 412 unsigned long csiz;
yuuji@0 413 struct stat sbuf;
yuuji@0 414 int nochild;
yuuji@0 415 char *s,tmp[MAILTMPLEN];
yuuji@0 416 if (!(attributes & LATT_NOINFERIORS) && mailboxdir (tmp,name,NIL) &&
yuuji@0 417 (dp = opendir (tmp))) { /* if not \NoInferiors */
yuuji@0 418 /* locate dirfmttest if any */
yuuji@0 419 for (d = (DRIVER *) mail_parameters (NIL,GET_DRIVERS,NIL), dt = NIL;
yuuji@0 420 !dt && d; d = d->next)
yuuji@0 421 if (!(d->flags & DR_DISABLE) && (d->flags & DR_DIRFMT) &&
yuuji@0 422 (*d->valid) (name))
yuuji@0 423 dt = mail_parameters ((*d->open) (NIL),GET_DIRFMTTEST,NIL);
yuuji@0 424 /* scan directory for children */
yuuji@0 425 for (nochild = T; nochild && (dr = readdir (dp)); )
yuuji@0 426 if ((!(dt && (*dt) (dr->d_name))) &&
yuuji@0 427 ((dr->d_name[0] != '.') ||
yuuji@0 428 (((long) mail_parameters (NIL,GET_HIDEDOTFILES,NIL)) ? NIL :
yuuji@0 429 (dr->d_name[1] && ((dr->d_name[1] != '.') || dr->d_name[2])))))
yuuji@0 430 nochild = NIL;
yuuji@0 431 attributes |= nochild ? LATT_HASNOCHILDREN : LATT_HASCHILDREN;
yuuji@0 432 closedir (dp); /* all done, flush directory */
yuuji@0 433 }
yuuji@0 434 d = NIL; /* don't \NoSelect dir if it has a driver */
yuuji@0 435 if ((attributes & LATT_NOSELECT) && (d = mail_valid (NIL,name,NIL)) &&
yuuji@0 436 (d != &dummydriver)) attributes &= ~LATT_NOSELECT;
yuuji@0 437 if (!contents || /* notify main program */
yuuji@0 438 (!(attributes & LATT_NOSELECT) && (csiz = strlen (contents)) &&
yuuji@0 439 (s = mailboxfile (tmp,name)) &&
yuuji@0 440 (*s || (s = mail_parameters (NIL,GET_INBOXPATH,tmp))) &&
yuuji@0 441 !stat (s,&sbuf) && (d || (csiz <= sbuf.st_size)) &&
yuuji@0 442 SAFE_SCAN_CONTENTS (d,tmp,contents,csiz,sbuf.st_size)))
yuuji@0 443 mm_list (stream,delimiter,name,attributes);
yuuji@0 444 return T;
yuuji@0 445 }
yuuji@0 446
yuuji@0 447 /* Dummy create mailbox
yuuji@0 448 * Accepts: mail stream
yuuji@0 449 * mailbox name to create
yuuji@0 450 * Returns: T on success, NIL on failure
yuuji@0 451 */
yuuji@0 452
yuuji@0 453 long dummy_create (MAILSTREAM *stream,char *mailbox)
yuuji@0 454 {
yuuji@0 455 char *s,tmp[MAILTMPLEN];
yuuji@0 456 long ret = NIL;
yuuji@0 457 /* validate name */
yuuji@0 458 if (!(compare_cstring (mailbox,"INBOX") && (s = dummy_file (tmp,mailbox)))) {
yuuji@0 459 sprintf (tmp,"Can't create %.80s: invalid name",mailbox);
yuuji@0 460 MM_LOG (tmp,ERROR);
yuuji@0 461 }
yuuji@0 462 /* create the name, done if made directory */
yuuji@0 463 else if ((ret = dummy_create_path (stream,tmp,get_dir_protection(mailbox)))&&
yuuji@0 464 (s = strrchr (s,'/')) && !s[1]) return T;
yuuji@0 465 return ret ? set_mbx_protections (mailbox,tmp) : NIL;
yuuji@0 466 }
yuuji@0 467
yuuji@0 468 /* Dummy create path
yuuji@0 469 * Accepts: mail stream
yuuji@0 470 * path name to create
yuuji@0 471 * directory mode
yuuji@0 472 * Returns: T on success, NIL on failure
yuuji@0 473 */
yuuji@0 474
yuuji@0 475 long dummy_create_path (MAILSTREAM *stream,char *path,long dirmode)
yuuji@0 476 {
yuuji@0 477 struct stat sbuf;
yuuji@0 478 char c,*s,tmp[MAILTMPLEN];
yuuji@0 479 int fd;
yuuji@0 480 long ret = NIL;
yuuji@0 481 char *t = strrchr (path,'/');
yuuji@0 482 int wantdir = t && !t[1];
yuuji@0 483 int mask = umask (0);
yuuji@0 484 if (wantdir) *t = '\0'; /* flush trailing delimiter for directory */
yuuji@0 485 if (s = strrchr (path,'/')) { /* found superior to this name? */
yuuji@0 486 c = *++s; /* remember first character of inferior */
yuuji@0 487 *s = '\0'; /* tie off to get just superior */
yuuji@0 488 /* name doesn't exist, create it */
yuuji@0 489 if ((stat (path,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
yuuji@0 490 !dummy_create_path (stream,path,dirmode)) {
yuuji@0 491 umask (mask); /* restore mask */
yuuji@0 492 return NIL;
yuuji@0 493 }
yuuji@0 494 *s = c; /* restore full name */
yuuji@0 495 }
yuuji@0 496 if (wantdir) { /* want to create directory? */
yuuji@0 497 ret = !mkdir (path,(int) dirmode);
yuuji@0 498 *t = '/'; /* restore directory delimiter */
yuuji@0 499 }
yuuji@0 500 /* create file */
yuuji@0 501 else if ((fd = open (path,O_WRONLY|O_CREAT|O_EXCL,
yuuji@0 502 (long) mail_parameters(NIL,GET_MBXPROTECTION,NIL))) >=0)
yuuji@0 503 ret = !close (fd);
yuuji@0 504 if (!ret) { /* error? */
yuuji@0 505 sprintf (tmp,"Can't create mailbox node %.80s: %.80s",path,strerror (errno));
yuuji@0 506 MM_LOG (tmp,ERROR);
yuuji@0 507 }
yuuji@0 508 umask (mask); /* restore mask */
yuuji@0 509 return ret; /* return status */
yuuji@0 510 }
yuuji@0 511
yuuji@0 512 /* Dummy delete mailbox
yuuji@0 513 * Accepts: mail stream
yuuji@0 514 * mailbox name to delete
yuuji@0 515 * Returns: T on success, NIL on failure
yuuji@0 516 */
yuuji@0 517
yuuji@0 518 long dummy_delete (MAILSTREAM *stream,char *mailbox)
yuuji@0 519 {
yuuji@0 520 struct stat sbuf;
yuuji@0 521 char *s,tmp[MAILTMPLEN];
yuuji@0 522 if (!(s = dummy_file (tmp,mailbox))) {
yuuji@0 523 sprintf (tmp,"Can't delete - invalid name: %.80s",s);
yuuji@0 524 MM_LOG (tmp,ERROR);
yuuji@0 525 }
yuuji@0 526 /* no trailing / (workaround BSD kernel bug) */
yuuji@0 527 if ((s = strrchr (tmp,'/')) && !s[1]) *s = '\0';
yuuji@0 528 if (stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) == S_IFDIR) ?
yuuji@0 529 rmdir (tmp) : unlink (tmp)) {
yuuji@0 530 sprintf (tmp,"Can't delete mailbox %.80s: %.80s",mailbox,strerror (errno));
yuuji@0 531 MM_LOG (tmp,ERROR);
yuuji@0 532 return NIL;
yuuji@0 533 }
yuuji@0 534 return T; /* return success */
yuuji@0 535 }
yuuji@0 536
yuuji@0 537 /* Mail rename mailbox
yuuji@0 538 * Accepts: mail stream
yuuji@0 539 * old mailbox name
yuuji@0 540 * new mailbox name
yuuji@0 541 * Returns: T on success, NIL on failure
yuuji@0 542 */
yuuji@0 543
yuuji@0 544 long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
yuuji@0 545 {
yuuji@0 546 struct stat sbuf;
yuuji@0 547 char c,*s,tmp[MAILTMPLEN],mbx[MAILTMPLEN],oldname[MAILTMPLEN];
yuuji@0 548 /* no trailing / allowed */
yuuji@0 549 if (!dummy_file (oldname,old) || !(s = dummy_file (mbx,newname)) ||
yuuji@0 550 stat (oldname,&sbuf) || ((s = strrchr (s,'/')) && !s[1] &&
yuuji@0 551 ((sbuf.st_mode & S_IFMT) != S_IFDIR))) {
yuuji@0 552 sprintf (mbx,"Can't rename %.80s to %.80s: invalid name",old,newname);
yuuji@0 553 MM_LOG (mbx,ERROR);
yuuji@0 554 return NIL;
yuuji@0 555 }
yuuji@0 556 if (s) { /* found a directory delimiter? */
yuuji@0 557 if (!s[1]) *s = '\0'; /* ignore trailing delimiter */
yuuji@0 558 else { /* found superior to destination name? */
yuuji@0 559 c = *++s; /* remember first character of inferior */
yuuji@0 560 *s = '\0'; /* tie off to get just superior */
yuuji@0 561 /* name doesn't exist, create it */
yuuji@0 562 if ((stat (mbx,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
yuuji@0 563 !dummy_create (stream,mbx)) return NIL;
yuuji@0 564 *s = c; /* restore full name */
yuuji@0 565 }
yuuji@0 566 }
yuuji@0 567 /* rename of non-ex INBOX creates dest */
yuuji@0 568 if (!compare_cstring (old,"INBOX") && stat (oldname,&sbuf))
yuuji@0 569 return dummy_create (NIL,mbx);
yuuji@0 570 if (rename (oldname,mbx)) {
yuuji@0 571 sprintf (tmp,"Can't rename mailbox %.80s to %.80s: %.80s",old,newname,
yuuji@0 572 strerror (errno));
yuuji@0 573 MM_LOG (tmp,ERROR);
yuuji@0 574 return NIL;
yuuji@0 575 }
yuuji@0 576 return T; /* return success */
yuuji@0 577 }
yuuji@0 578
yuuji@0 579 /* Dummy open
yuuji@0 580 * Accepts: stream to open
yuuji@0 581 * Returns: stream on success, NIL on failure
yuuji@0 582 */
yuuji@0 583
yuuji@0 584 MAILSTREAM *dummy_open (MAILSTREAM *stream)
yuuji@0 585 {
yuuji@0 586 int fd;
yuuji@0 587 char err[MAILTMPLEN],tmp[MAILTMPLEN];
yuuji@0 588 struct stat sbuf;
yuuji@0 589 /* OP_PROTOTYPE call */
yuuji@0 590 if (!stream) return &dummyproto;
yuuji@0 591 err[0] = '\0'; /* no error message yet */
yuuji@0 592 /* can we open the file? */
yuuji@0 593 if (!dummy_file (tmp,stream->mailbox))
yuuji@0 594 sprintf (err,"Can't open this name: %.80s",stream->mailbox);
yuuji@0 595 else if ((fd = open (tmp,O_RDONLY,NIL)) < 0) {
yuuji@0 596 /* no, error unless INBOX */
yuuji@0 597 if (compare_cstring (stream->mailbox,"INBOX"))
yuuji@0 598 sprintf (err,"%.80s: %.80s",strerror (errno),stream->mailbox);
yuuji@0 599 }
yuuji@0 600 else { /* file had better be empty then */
yuuji@0 601 fstat (fd,&sbuf); /* sniff at its size */
yuuji@0 602 close (fd);
yuuji@0 603 if ((sbuf.st_mode & S_IFMT) != S_IFREG)
yuuji@0 604 sprintf (err,"Can't open %.80s: not a selectable mailbox",
yuuji@0 605 stream->mailbox);
yuuji@0 606 else if (sbuf.st_size) /* bogus format if non-empty */
yuuji@0 607 sprintf (err,"Can't open %.80s (file %.80s): not in valid mailbox format",
yuuji@0 608 stream->mailbox,tmp);
yuuji@0 609 }
yuuji@0 610 if (err[0]) { /* if an error happened */
yuuji@0 611 MM_LOG (err,stream->silent ? WARN : ERROR);
yuuji@0 612 return NIL;
yuuji@0 613 }
yuuji@0 614 else if (!stream->silent) { /* only if silence not requested */
yuuji@0 615 mail_exists (stream,0); /* say there are 0 messages */
yuuji@0 616 mail_recent (stream,0); /* and certainly no recent ones! */
yuuji@0 617 stream->uid_validity = time (0);
yuuji@0 618 }
yuuji@0 619 stream->inbox = T; /* note that it's an INBOX */
yuuji@0 620 return stream; /* return success */
yuuji@0 621 }
yuuji@0 622
yuuji@0 623
yuuji@0 624 /* Dummy close
yuuji@0 625 * Accepts: MAIL stream
yuuji@0 626 * options
yuuji@0 627 */
yuuji@0 628
yuuji@0 629 void dummy_close (MAILSTREAM *stream,long options)
yuuji@0 630 {
yuuji@0 631 /* return silently */
yuuji@0 632 }
yuuji@0 633
yuuji@0 634 /* Dummy ping mailbox
yuuji@0 635 * Accepts: MAIL stream
yuuji@0 636 * Returns: T if stream alive, else NIL
yuuji@0 637 */
yuuji@0 638
yuuji@0 639 long dummy_ping (MAILSTREAM *stream)
yuuji@0 640 {
yuuji@0 641 MAILSTREAM *test;
yuuji@0 642 if (time (0) >= /* time to do another test? */
yuuji@0 643 ((time_t) (stream->gensym +
yuuji@0 644 (long) mail_parameters (NIL,GET_SNARFINTERVAL,NIL)))) {
yuuji@0 645 /* has mailbox format changed? */
yuuji@0 646 if ((test = mail_open (NIL,stream->mailbox,OP_PROTOTYPE)) &&
yuuji@0 647 (test->dtb != stream->dtb) &&
yuuji@0 648 (test = mail_open (NIL,stream->mailbox,NIL))) {
yuuji@0 649 /* preserve some resources */
yuuji@0 650 test->original_mailbox = stream->original_mailbox;
yuuji@0 651 stream->original_mailbox = NIL;
yuuji@0 652 test->sparep = stream->sparep;
yuuji@0 653 stream->sparep = NIL;
yuuji@0 654 test->sequence = stream->sequence;
yuuji@0 655 mail_close ((MAILSTREAM *) /* flush resources used by dummy stream */
yuuji@0 656 memcpy (fs_get (sizeof (MAILSTREAM)),stream,
yuuji@0 657 sizeof (MAILSTREAM)));
yuuji@0 658 /* swap the streams */
yuuji@0 659 memcpy (stream,test,sizeof (MAILSTREAM));
yuuji@0 660 fs_give ((void **) &test);/* flush test now that copied */
yuuji@0 661 /* make sure application knows */
yuuji@0 662 mail_exists (stream,stream->recent = stream->nmsgs);
yuuji@0 663 }
yuuji@0 664 /* still hasn't changed */
yuuji@0 665 else stream->gensym = time (0);
yuuji@0 666 }
yuuji@0 667 return T;
yuuji@0 668 }
yuuji@0 669
yuuji@0 670
yuuji@0 671 /* Dummy check mailbox
yuuji@0 672 * Accepts: MAIL stream
yuuji@0 673 * No-op for readonly files, since read/writer can expunge it from under us!
yuuji@0 674 */
yuuji@0 675
yuuji@0 676 void dummy_check (MAILSTREAM *stream)
yuuji@0 677 {
yuuji@0 678 dummy_ping (stream); /* invoke ping */
yuuji@0 679 }
yuuji@0 680
yuuji@0 681
yuuji@0 682 /* Dummy expunge mailbox
yuuji@0 683 * Accepts: MAIL stream
yuuji@0 684 * sequence to expunge if non-NIL
yuuji@0 685 * expunge options
yuuji@0 686 * Returns: T, always
yuuji@0 687 */
yuuji@0 688
yuuji@0 689 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options)
yuuji@0 690 {
yuuji@0 691 return LONGT;
yuuji@0 692 }
yuuji@0 693
yuuji@0 694 /* Dummy copy message(s)
yuuji@0 695 * Accepts: MAIL stream
yuuji@0 696 * sequence
yuuji@0 697 * destination mailbox
yuuji@0 698 * options
yuuji@0 699 * Returns: T if copy successful, else NIL
yuuji@0 700 */
yuuji@0 701
yuuji@0 702 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
yuuji@0 703 {
yuuji@0 704 if ((options & CP_UID) ? mail_uid_sequence (stream,sequence) :
yuuji@0 705 mail_sequence (stream,sequence)) fatal ("Impossible dummy_copy");
yuuji@0 706 return NIL;
yuuji@0 707 }
yuuji@0 708
yuuji@0 709
yuuji@0 710 /* Dummy append message string
yuuji@0 711 * Accepts: mail stream
yuuji@0 712 * destination mailbox
yuuji@0 713 * append callback function
yuuji@0 714 * data for callback
yuuji@0 715 * Returns: T on success, NIL on failure
yuuji@0 716 */
yuuji@0 717
yuuji@0 718 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
yuuji@0 719 {
yuuji@0 720 struct stat sbuf;
yuuji@0 721 int fd = -1;
yuuji@0 722 int e;
yuuji@0 723 char tmp[MAILTMPLEN];
yuuji@0 724 MAILSTREAM *ts = default_proto (T);
yuuji@0 725 /* append to INBOX? */
yuuji@0 726 if (!compare_cstring (mailbox,"INBOX")) {
yuuji@0 727 /* yes, if no empty proto try creating */
yuuji@0 728 if (!ts && !(*(ts = default_proto (NIL))->dtb->create) (ts,"INBOX"))
yuuji@0 729 ts = NIL;
yuuji@0 730 }
yuuji@0 731 else if (dummy_file (tmp,mailbox) && ((fd = open (tmp,O_RDONLY,NIL)) < 0)) {
yuuji@0 732 if ((e = errno) == ENOENT) /* failed, was it no such file? */
yuuji@0 733 MM_NOTIFY (stream,"[TRYCREATE] Must create mailbox before append",NIL);
yuuji@0 734 sprintf (tmp,"%.80s: %.80s",strerror (e),mailbox);
yuuji@0 735 MM_LOG (tmp,ERROR); /* pass up error */
yuuji@0 736 return NIL; /* always fails */
yuuji@0 737 }
yuuji@0 738 else if (fd >= 0) { /* found file? */
yuuji@0 739 fstat (fd,&sbuf); /* get its size */
yuuji@0 740 close (fd); /* toss out the fd */
yuuji@0 741 if (sbuf.st_size) ts = NIL; /* non-empty file? */
yuuji@0 742 }
yuuji@0 743 if (ts) return (*ts->dtb->append) (stream,mailbox,af,data);
yuuji@0 744 sprintf (tmp,"Indeterminate mailbox format: %.80s",mailbox);
yuuji@0 745 MM_LOG (tmp,ERROR);
yuuji@0 746 return NIL;
yuuji@0 747 }
yuuji@0 748
yuuji@0 749 /* Dummy mail generate file string
yuuji@0 750 * Accepts: temporary buffer to write into
yuuji@0 751 * mailbox name string
yuuji@0 752 * Returns: local file string or NIL if failure
yuuji@0 753 */
yuuji@0 754
yuuji@0 755 char *dummy_file (char *dst,char *name)
yuuji@0 756 {
yuuji@0 757 char *s = mailboxfile (dst,name);
yuuji@0 758 /* return our standard inbox */
yuuji@0 759 return (s && !*s) ? strcpy (dst,sysinbox ()) : s;
yuuji@0 760 }
yuuji@0 761
yuuji@0 762
yuuji@0 763 /* Dummy canonicalize name
yuuji@0 764 * Accepts: buffer to write name
yuuji@0 765 * reference
yuuji@0 766 * pattern
yuuji@0 767 * Returns: T if success, NIL if failure
yuuji@0 768 */
yuuji@0 769
yuuji@0 770 long dummy_canonicalize (char *tmp,char *ref,char *pat)
yuuji@0 771 {
yuuji@0 772 unsigned long i;
yuuji@0 773 char *s;
yuuji@0 774 if (ref) { /* preliminary reference check */
yuuji@0 775 if (*ref == '{') return NIL;/* remote reference not allowed */
yuuji@0 776 else if (!*ref) ref = NIL; /* treat empty reference as no reference */
yuuji@0 777 }
yuuji@0 778 switch (*pat) {
yuuji@0 779 case '#': /* namespace name */
yuuji@0 780 if (mailboxfile (tmp,pat)) strcpy (tmp,pat);
yuuji@0 781 else return NIL; /* unknown namespace */
yuuji@0 782 break;
yuuji@0 783 case '{': /* remote names not allowed */
yuuji@0 784 return NIL;
yuuji@0 785 case '/': /* rooted name */
yuuji@0 786 case '~': /* home directory name */
yuuji@0 787 if (!ref || (*ref != '#')) {/* non-namespace reference? */
yuuji@0 788 strcpy (tmp,pat); /* yes, ignore */
yuuji@0 789 break;
yuuji@0 790 }
yuuji@0 791 /* fall through */
yuuji@0 792 default: /* apply reference for all other names */
yuuji@0 793 if (!ref) strcpy (tmp,pat); /* just copy if no namespace */
yuuji@0 794 else if ((*ref != '#') || mailboxfile (tmp,ref)) {
yuuji@0 795 /* wants root of name? */
yuuji@0 796 if (*pat == '/') strcpy (strchr (strcpy (tmp,ref),'/'),pat);
yuuji@0 797 /* otherwise just append */
yuuji@0 798 else sprintf (tmp,"%s%s",ref,pat);
yuuji@0 799 }
yuuji@0 800 else return NIL; /* unknown namespace */
yuuji@0 801 }
yuuji@0 802 /* count wildcards */
yuuji@0 803 for (i = 0, s = tmp; *s; *s++) if ((*s == '*') || (*s == '%')) ++i;
yuuji@0 804 if (i > MAXWILDCARDS) { /* ridiculous wildcarding? */
yuuji@0 805 MM_LOG ("Excessive wildcards in LIST/LSUB",ERROR);
yuuji@0 806 return NIL;
yuuji@0 807 }
yuuji@0 808 return T;
yuuji@0 809 }

UW-IMAP'd extensions by yuuji