imapext-2007

annotate src/osdep/os2/dummyos2.c @ 0:ada5e610ab86

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imap-2007e
author yuuji@gentei.org
date Mon, 14 Sep 2009 15:17:45 +0900
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children
rev   line source
yuuji@0 1 /* ========================================================================
yuuji@0 2 * Copyright 1988-2006 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 for OS2
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: 24 May 1993
yuuji@0 26 * Last Edited: 30 August 2006
yuuji@0 27 */
yuuji@0 28
yuuji@0 29 /* Thanks to Nicholas Sheppard for the original version */
yuuji@0 30
yuuji@0 31
yuuji@0 32 #include <ctype.h>
yuuji@0 33 #include <stdio.h>
yuuji@0 34 #include <errno.h>
yuuji@0 35 #include <sys/types.h>
yuuji@0 36 #include <dirent.h>
yuuji@0 37 #include <pwd.h>
yuuji@0 38 #include <sys/stat.h>
yuuji@0 39 #include <io.h>
yuuji@0 40 #include <fcntl.h>
yuuji@0 41 #include <os2.h>
yuuji@0 42 #undef ADDRESS
yuuji@0 43 #include "mail.h"
yuuji@0 44 #include "osdep.h"
yuuji@0 45 #include "misc.h"
yuuji@0 46 #include "dummy.h"
yuuji@0 47
yuuji@0 48 /* Function prototypes */
yuuji@0 49
yuuji@0 50 DRIVER *dummy_valid (char *name);
yuuji@0 51 void *dummy_parameters (long function,void *value);
yuuji@0 52 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 53 long level);
yuuji@0 54 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 55 long attributes,char *contents);
yuuji@0 56 long dummy_subscribe (MAILSTREAM *stream,char *mailbox);
yuuji@0 57 MAILSTREAM *dummy_open (MAILSTREAM *stream);
yuuji@0 58 void dummy_close (MAILSTREAM *stream,long options);
yuuji@0 59 long dummy_ping (MAILSTREAM *stream);
yuuji@0 60 void dummy_check (MAILSTREAM *stream);
yuuji@0 61 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options);
yuuji@0 62 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
yuuji@0 63 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
yuuji@0 64
yuuji@0 65 /* Dummy routines */
yuuji@0 66
yuuji@0 67
yuuji@0 68 /* Driver dispatch used by MAIL */
yuuji@0 69
yuuji@0 70 DRIVER dummydriver = {
yuuji@0 71 "dummy", /* driver name */
yuuji@0 72 DR_LOCAL|DR_MAIL, /* driver flags */
yuuji@0 73 (DRIVER *) NIL, /* next driver */
yuuji@0 74 dummy_valid, /* mailbox is valid for us */
yuuji@0 75 dummy_parameters, /* manipulate parameters */
yuuji@0 76 dummy_scan, /* scan mailboxes */
yuuji@0 77 dummy_list, /* list mailboxes */
yuuji@0 78 dummy_lsub, /* list subscribed mailboxes */
yuuji@0 79 dummy_subscribe, /* subscribe to mailbox */
yuuji@0 80 NIL, /* unsubscribe from mailbox */
yuuji@0 81 dummy_create, /* create mailbox */
yuuji@0 82 dummy_delete, /* delete mailbox */
yuuji@0 83 dummy_rename, /* rename mailbox */
yuuji@0 84 mail_status_default, /* status of mailbox */
yuuji@0 85 dummy_open, /* open mailbox */
yuuji@0 86 dummy_close, /* close mailbox */
yuuji@0 87 NIL, /* fetch message "fast" attributes */
yuuji@0 88 NIL, /* fetch message flags */
yuuji@0 89 NIL, /* fetch overview */
yuuji@0 90 NIL, /* fetch message structure */
yuuji@0 91 NIL, /* fetch header */
yuuji@0 92 NIL, /* fetch text */
yuuji@0 93 NIL, /* fetch message data */
yuuji@0 94 NIL, /* unique identifier */
yuuji@0 95 NIL, /* message number from UID */
yuuji@0 96 NIL, /* modify flags */
yuuji@0 97 NIL, /* per-message modify flags */
yuuji@0 98 NIL, /* search for message based on criteria */
yuuji@0 99 NIL, /* sort messages */
yuuji@0 100 NIL, /* thread messages */
yuuji@0 101 dummy_ping, /* ping mailbox to see if still alive */
yuuji@0 102 dummy_check, /* check for new messages */
yuuji@0 103 dummy_expunge, /* expunge deleted messages */
yuuji@0 104 dummy_copy, /* copy messages to another mailbox */
yuuji@0 105 dummy_append, /* append string message to mailbox */
yuuji@0 106 NIL /* garbage collect stream */
yuuji@0 107 };
yuuji@0 108
yuuji@0 109
yuuji@0 110 /* prototype stream */
yuuji@0 111 MAILSTREAM dummyproto = {&dummydriver};
yuuji@0 112
yuuji@0 113 /* Dummy validate mailbox
yuuji@0 114 * Accepts: mailbox name
yuuji@0 115 * Returns: our driver if name is valid, NIL otherwise
yuuji@0 116 */
yuuji@0 117
yuuji@0 118 DRIVER *dummy_valid (char *name)
yuuji@0 119 {
yuuji@0 120 char *s,*t,tmp[MAILTMPLEN];
yuuji@0 121 struct stat sbuf;
yuuji@0 122 /* must be valid local mailbox */
yuuji@0 123 if (name && *name && (*name != '{') && (s = mailboxfile (tmp,name))) {
yuuji@0 124 /* indeterminate INBOX */
yuuji@0 125 if (!*s) return &dummydriver;
yuuji@0 126 /* remove trailing \ */
yuuji@0 127 if ((t = strrchr (s,'\\')) && !t[1]) *t = '\0';
yuuji@0 128 if (!stat (s,&sbuf)) switch (sbuf.st_mode & S_IFMT) {
yuuji@0 129 case S_IFREG: /* file */
yuuji@0 130 case S_IFDIR: /* future use */
yuuji@0 131 return &dummydriver;
yuuji@0 132 }
yuuji@0 133 }
yuuji@0 134 return NIL;
yuuji@0 135 }
yuuji@0 136
yuuji@0 137
yuuji@0 138 /* Dummy manipulate driver parameters
yuuji@0 139 * Accepts: function code
yuuji@0 140 * function-dependent value
yuuji@0 141 * Returns: function-dependent return value
yuuji@0 142 */
yuuji@0 143
yuuji@0 144 void *dummy_parameters (long function,void *value)
yuuji@0 145 {
yuuji@0 146 return NIL;
yuuji@0 147 }
yuuji@0 148
yuuji@0 149 /* Dummy scan mailboxes
yuuji@0 150 * Accepts: mail stream
yuuji@0 151 * reference
yuuji@0 152 * pattern to search
yuuji@0 153 * string to scan
yuuji@0 154 */
yuuji@0 155
yuuji@0 156 void dummy_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents)
yuuji@0 157 {
yuuji@0 158 char *s,test[MAILTMPLEN],file[MAILTMPLEN];
yuuji@0 159 long i = 0;
yuuji@0 160 if (!pat || !*pat) { /* empty pattern? */
yuuji@0 161 if (dummy_canonicalize (test,ref,"*")) {
yuuji@0 162 /* tie off name at root */
yuuji@0 163 if (s = strchr (test,'\\')) *++s = '\0';
yuuji@0 164 else test[0] = '\0';
yuuji@0 165 dummy_listed (stream,'\\',test,LATT_NOSELECT,NIL);
yuuji@0 166 }
yuuji@0 167 }
yuuji@0 168 /* get canonical form of name */
yuuji@0 169 else if (dummy_canonicalize (test,ref,pat)) {
yuuji@0 170 /* found any wildcards? */
yuuji@0 171 if (s = strpbrk (test,"%*")) {
yuuji@0 172 /* yes, copy name up to that point */
yuuji@0 173 strncpy (file,test,(size_t) (i = s - test));
yuuji@0 174 file[i] = '\0'; /* tie off */
yuuji@0 175 }
yuuji@0 176 else strcpy (file,test); /* use just that name then */
yuuji@0 177 /* find directory name */
yuuji@0 178 if (s = strrchr (file,'\\')) {
yuuji@0 179 *++s = '\0'; /* found, tie off at that point */
yuuji@0 180 s = file;
yuuji@0 181 }
yuuji@0 182 /* silly case */
yuuji@0 183 else if (file[0] == '#') s = file;
yuuji@0 184 /* do the work */
yuuji@0 185 dummy_list_work (stream,s,test,contents,0);
yuuji@0 186 if (pmatch ("INBOX",test)) /* always an INBOX */
yuuji@0 187 dummy_listed (stream,NIL,"INBOX",LATT_NOINFERIORS,contents);
yuuji@0 188 }
yuuji@0 189 }
yuuji@0 190
yuuji@0 191 /* Dummy list mailboxes
yuuji@0 192 * Accepts: mail stream
yuuji@0 193 * reference
yuuji@0 194 * pattern to search
yuuji@0 195 */
yuuji@0 196
yuuji@0 197 void dummy_list (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 198 {
yuuji@0 199 dummy_scan (stream,ref,pat,NIL);
yuuji@0 200 }
yuuji@0 201
yuuji@0 202
yuuji@0 203 /* Dummy list subscribed mailboxes
yuuji@0 204 * Accepts: mail stream
yuuji@0 205 * reference
yuuji@0 206 * pattern to search
yuuji@0 207 */
yuuji@0 208
yuuji@0 209 void dummy_lsub (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 210 {
yuuji@0 211 void *sdb = NIL;
yuuji@0 212 char *s,*t,test[MAILTMPLEN];
yuuji@0 213 int showuppers = pat[strlen (pat) - 1] == '%';
yuuji@0 214 /* get canonical form of name */
yuuji@0 215 if (dummy_canonicalize (test,ref,pat) && (s = sm_read (&sdb))) do
yuuji@0 216 if (*s != '{') {
yuuji@0 217 if (pmatch_full (s,test,'\\')) {
yuuji@0 218 if (pmatch (s,"INBOX")) mm_lsub (stream,NIL,s,LATT_NOINFERIORS);
yuuji@0 219 else mm_lsub (stream,'\\',s,NIL);
yuuji@0 220 }
yuuji@0 221 else while (showuppers && (t = strrchr (s,'\\'))) {
yuuji@0 222 *t = '\0'; /* tie off the name */
yuuji@0 223 if (pmatch_full (s,test,'\\')) mm_lsub (stream,'\\',s,LATT_NOSELECT);
yuuji@0 224 }
yuuji@0 225 }
yuuji@0 226 while (s = sm_read (&sdb)); /* until no more subscriptions */
yuuji@0 227 }
yuuji@0 228
yuuji@0 229
yuuji@0 230 /* Dummy subscribe to mailbox
yuuji@0 231 * Accepts: mail stream
yuuji@0 232 * mailbox to add to subscription list
yuuji@0 233 * Returns: T on success, NIL on failure
yuuji@0 234 */
yuuji@0 235
yuuji@0 236 long dummy_subscribe (MAILSTREAM *stream,char *mailbox)
yuuji@0 237 {
yuuji@0 238 char *s,tmp[MAILTMPLEN];
yuuji@0 239 struct stat sbuf;
yuuji@0 240 /* must be valid local mailbox */
yuuji@0 241 if ((s = mailboxfile (tmp,mailbox)) && *s && !stat (s,&sbuf) &&
yuuji@0 242 ((sbuf.st_mode & S_IFMT) == S_IFREG)) return sm_subscribe (mailbox);
yuuji@0 243 sprintf (tmp,"Can't subscribe %.80s: not a mailbox",mailbox);
yuuji@0 244 mm_log (tmp,ERROR);
yuuji@0 245 return NIL;
yuuji@0 246 }
yuuji@0 247
yuuji@0 248 /* Dummy list mailboxes worker routine
yuuji@0 249 * Accepts: mail stream
yuuji@0 250 * directory name to search
yuuji@0 251 * search pattern
yuuji@0 252 * string to scan
yuuji@0 253 * search level
yuuji@0 254 */
yuuji@0 255
yuuji@0 256 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 257 long level)
yuuji@0 258 {
yuuji@0 259 unsigned long i = 1;
yuuji@0 260 FILEFINDBUF3 f;
yuuji@0 261 HDIR hd = HDIR_CREATE;
yuuji@0 262 struct stat sbuf;
yuuji@0 263 char tmp[MAILTMPLEN];
yuuji@0 264 /* punt if bogus name */
yuuji@0 265 if (!mailboxdir (tmp,dir,NIL)) return;
yuuji@0 266 /* make directory wildcard */
yuuji@0 267 strcat (tmp,(tmp[strlen (tmp) -1] == '\\') ? "*.*" : "\\*.*");
yuuji@0 268 /* do nothing if can't open directory */
yuuji@0 269 if (!DosFindFirst (tmp,&hd,FILE_NORMAL,&f,sizeof (f),&i,FIL_STANDARD)) {
yuuji@0 270 /* list it if not at top-level */
yuuji@0 271 if (!level && dir && pmatch_full (dir,pat,'\\'))
yuuji@0 272 dummy_listed (stream,'\\',dir,LATT_NOSELECT,contents);
yuuji@0 273 /* scan directory */
yuuji@0 274 if (!dir || dir[strlen (dir) -1] == '\\') do {
yuuji@0 275 if (((f.name[0] != '.') ||
yuuji@0 276 (f.name[1] && ((f.name[1] != '.') || f.name[2]))) &&
yuuji@0 277 (strlen (f.name) <= NETMAXMBX)) {
yuuji@0 278 /* see if name is useful */
yuuji@0 279 if (dir) sprintf (tmp,"%s%s",dir,f.name);
yuuji@0 280 else strcpy (tmp,f.name);
yuuji@0 281 /* make sure useful and can get info */
yuuji@0 282 if ((pmatch_full (tmp,pat,'\\') ||
yuuji@0 283 pmatch_full (strcat (tmp,"\\"),pat,'\\') ||
yuuji@0 284 dmatch (tmp,pat,'\\')) &&
yuuji@0 285 mailboxdir (tmp,dir,f.name) && tmp[0] && !stat (tmp,&sbuf)) {
yuuji@0 286 /* now make name we'd return */
yuuji@0 287 if (dir) sprintf (tmp,"%s%s",dir,f.name);
yuuji@0 288 else strcpy (tmp,f.name);
yuuji@0 289 /* only interested in file type */
yuuji@0 290 switch (sbuf.st_mode & S_IFMT) {
yuuji@0 291 case S_IFDIR: /* directory? */
yuuji@0 292 if (pmatch_full (tmp,pat,'\\')) {
yuuji@0 293 if (!dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents))break;
yuuji@0 294 strcat (tmp,"\\");/* set up for dmatch call */
yuuji@0 295 }
yuuji@0 296 /* try again with trailing \ */
yuuji@0 297 else if (pmatch_full (strcat (tmp,"\\"),pat,'\\') &&
yuuji@0 298 !dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents))
yuuji@0 299 break;
yuuji@0 300 if (dmatch (tmp,pat,'\\') &&
yuuji@0 301 (level < (long) mail_parameters (NIL,GET_LISTMAXLEVEL,NIL)))
yuuji@0 302 dummy_list_work (stream,tmp,pat,contents,level+1);
yuuji@0 303 break;
yuuji@0 304 case S_IFREG: /* ordinary name */
yuuji@0 305 if (pmatch_full (tmp,pat,'\\') && !pmatch ("INBOX",tmp))
yuuji@0 306 dummy_listed (stream,'\\',tmp,LATT_NOINFERIORS,contents);
yuuji@0 307 break;
yuuji@0 308 }
yuuji@0 309 }
yuuji@0 310 }
yuuji@0 311 i = 1;
yuuji@0 312 } while (!DosFindNext (h,&f,sizeof (f),&i));
yuuji@0 313 }
yuuji@0 314 }
yuuji@0 315
yuuji@0 316 /* Mailbox found
yuuji@0 317 * Accepts: hierarchy delimiter
yuuji@0 318 * mailbox name
yuuji@0 319 * attributes
yuuji@0 320 * contents to search before calling mm_list()
yuuji@0 321 * Returns: T, always
yuuji@0 322 */
yuuji@0 323
yuuji@0 324 #define BUFSIZE 4*MAILTMPLEN
yuuji@0 325
yuuji@0 326 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 327 long attributes,char *contents)
yuuji@0 328 {
yuuji@0 329 struct stat sbuf;
yuuji@0 330 int fd;
yuuji@0 331 long csiz,ssiz,bsiz;
yuuji@0 332 char *s,*buf,tmp[MAILTMPLEN];
yuuji@0 333 if (contents) { /* want to search contents? */
yuuji@0 334 /* forget it if can't select or open */
yuuji@0 335 if ((attributes & LATT_NOSELECT) || !(csiz = strlen (contents)) ||
yuuji@0 336 !(s = dummy_file (tmp,name)) || stat (s,&sbuf) ||
yuuji@0 337 (csiz > sbuf.st_size) || ((fd = open (tmp,O_RDONLY,NIL)) < 0))
yuuji@0 338 return T;
yuuji@0 339 /* get buffer including slop */
yuuji@0 340 buf = (char *) fs_get (BUFSIZE + (ssiz = 4 * ((csiz / 4) + 1)) + 1);
yuuji@0 341 memset (buf,'\0',ssiz); /* no slop area the first time */
yuuji@0 342 while (sbuf.st_size) { /* until end of file */
yuuji@0 343 read (fd,buf+ssiz,bsiz = min (sbuf.st_size,BUFSIZE));
yuuji@0 344 if (search ((unsigned char *) buf,bsiz+ssiz,
yuuji@0 345 (unsigned char *) contents,csiz)) break;
yuuji@0 346 memcpy (buf,buf+BUFSIZE,ssiz);
yuuji@0 347 sbuf.st_size -= bsiz; /* note that we read that much */
yuuji@0 348 }
yuuji@0 349 fs_give ((void **) &buf); /* flush buffer */
yuuji@0 350 close (fd); /* finished with file */
yuuji@0 351 if (!sbuf.st_size) return T;/* not found */
yuuji@0 352 }
yuuji@0 353 /* notify main program */
yuuji@0 354 mm_list (stream,delimiter,name,attributes);
yuuji@0 355 return T;
yuuji@0 356 }
yuuji@0 357
yuuji@0 358 /* Dummy create mailbox
yuuji@0 359 * Accepts: mail stream
yuuji@0 360 * mailbox name to create
yuuji@0 361 * Returns: T on success, NIL on failure
yuuji@0 362 */
yuuji@0 363
yuuji@0 364 long dummy_create (MAILSTREAM *stream,char *mailbox)
yuuji@0 365 {
yuuji@0 366 char tmp[MAILTMPLEN];
yuuji@0 367 if (compare_cstring (mailbox,"INBOX") && dummy_file (tmp,mailbox))
yuuji@0 368 return dummy_create_path (stream,tmp,NIL);
yuuji@0 369 sprintf (tmp,"Can't create %.80s: invalid name",mailbox);
yuuji@0 370 mm_log (tmp,ERROR);
yuuji@0 371 return NIL;
yuuji@0 372 }
yuuji@0 373
yuuji@0 374
yuuji@0 375 /* Dummy create path
yuuji@0 376 * Accepts: mail stream
yuuji@0 377 * path name to create
yuuji@0 378 * directory mode
yuuji@0 379 * Returns: T on success, NIL on failure
yuuji@0 380 */
yuuji@0 381
yuuji@0 382 long dummy_create_path (MAILSTREAM *stream,char *path,long dirmode)
yuuji@0 383 {
yuuji@0 384 struct stat sbuf;
yuuji@0 385 char c,*s,tmp[MAILTMPLEN];
yuuji@0 386 int fd;
yuuji@0 387 long ret = NIL;
yuuji@0 388 char *t = strrchr (path,'\\');
yuuji@0 389 char *pt = (path[1] == ':') ? path + 2 : path;
yuuji@0 390 int wantdir = t && !t[1];
yuuji@0 391 if (wantdir) *t = '\0'; /* flush trailing delimiter for directory */
yuuji@0 392 /* found superior to this name? */
yuuji@0 393 if ((s = strrchr (pt,'\\')) && (s != pt)) {
yuuji@0 394 strncpy (tmp,path,(size_t) (s - path));
yuuji@0 395 tmp[s - path] = '\0'; /* make directory name for stat */
yuuji@0 396 c = *++s; /* tie off in case need to recurse */
yuuji@0 397 *s = '\0';
yuuji@0 398 /* name doesn't exist, create it */
yuuji@0 399 if ((stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
yuuji@0 400 !dummy_create_path (stream,path,dirmode)) return NIL;
yuuji@0 401 *s = c; /* restore full name */
yuuji@0 402 }
yuuji@0 403 if (wantdir) { /* want to create directory? */
yuuji@0 404 ret = !mkdir (path);
yuuji@0 405 *t = '\\'; /* restore directory delimiter */
yuuji@0 406 }
yuuji@0 407 /* create file */
yuuji@0 408 else if ((fd = open (path,O_WRONLY|O_CREAT|O_EXCL,S_IREAD|S_IWRITE)) >= 0)
yuuji@0 409 ret = !close (fd); /* close file */
yuuji@0 410 if (!ret) { /* error? */
yuuji@0 411 sprintf (tmp,"Can't create mailbox node %.80s: %.80s",path,
yuuji@0 412 strerror (errno));
yuuji@0 413 mm_log (tmp,ERROR);
yuuji@0 414 }
yuuji@0 415 return ret; /* return status */
yuuji@0 416 }
yuuji@0 417
yuuji@0 418 /* Dummy delete mailbox
yuuji@0 419 * Accepts: mail stream
yuuji@0 420 * mailbox name to delete
yuuji@0 421 * Returns: T on success, NIL on failure
yuuji@0 422 */
yuuji@0 423
yuuji@0 424 long dummy_delete (MAILSTREAM *stream,char *mailbox)
yuuji@0 425 {
yuuji@0 426 struct stat sbuf;
yuuji@0 427 char *s,tmp[MAILTMPLEN];
yuuji@0 428 if (!(s = dummy_file (tmp,mailbox))) {
yuuji@0 429 sprintf (tmp,"Can't delete - invalid name: %.80s",s);
yuuji@0 430 mm_log (tmp,ERROR);
yuuji@0 431 }
yuuji@0 432 /* no trailing \ */
yuuji@0 433 if ((s = strrchr (tmp,'\\')) && !s[1]) *s = '\0';
yuuji@0 434 if (stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) == S_IFDIR) ?
yuuji@0 435 rmdir (tmp) : unlink (tmp)) {
yuuji@0 436 sprintf (tmp,"Can't delete mailbox %.80s: %.80s",mailbox,strerror (errno));
yuuji@0 437 mm_log (tmp,ERROR);
yuuji@0 438 return NIL;
yuuji@0 439 }
yuuji@0 440 return T; /* return success */
yuuji@0 441 }
yuuji@0 442
yuuji@0 443
yuuji@0 444 /* Mail rename mailbox
yuuji@0 445 * Accepts: mail stream
yuuji@0 446 * old mailbox name
yuuji@0 447 * new mailbox name
yuuji@0 448 * Returns: T on success, NIL on failure
yuuji@0 449 */
yuuji@0 450
yuuji@0 451 long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
yuuji@0 452 {
yuuji@0 453 struct stat sbuf;
yuuji@0 454 char c,*s,tmp[MAILTMPLEN],mbx[MAILTMPLEN],oldname[MAILTMPLEN];
yuuji@0 455 long ret = NIL;
yuuji@0 456 /* no trailing \ allowed */
yuuji@0 457 if (!dummy_file (oldname,old) || !(s = dummy_file (mbx,newname)) ||
yuuji@0 458 ((s = strrchr (s,'\\')) && !s[1])) {
yuuji@0 459 sprintf (mbx,"Can't rename %.80s to %.80s: invalid name",old,newname);
yuuji@0 460 mm_log (mbx,ERROR);
yuuji@0 461 return NIL;
yuuji@0 462 }
yuuji@0 463 /* found superior to destination name? */
yuuji@0 464 if (s && (s != mbx) && ((mbx[1] != ':') || (s != mbx + 2))) {
yuuji@0 465 c = s[1]; /* remember character after delimiter */
yuuji@0 466 *s = s[1] = '\0'; /* tie off name at delimiter */
yuuji@0 467 /* name doesn't exist, create it */
yuuji@0 468 if (stat (mbx,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) {
yuuji@0 469 *s = '\\'; /* restore delimiter */
yuuji@0 470 if (!dummy_create (stream,mbx)) return NIL;
yuuji@0 471 }
yuuji@0 472 else *s = '\\'; /* restore delimiter */
yuuji@0 473 s[1] = c; /* restore character after delimiter */
yuuji@0 474 }
yuuji@0 475 /* rename of non-ex INBOX creates dest */
yuuji@0 476 if (!compare_cstring (old,"INBOX") && stat (oldname,&sbuf))
yuuji@0 477 return dummy_create (NIL,mbx);
yuuji@0 478 if (rename (oldname,mbx)) {
yuuji@0 479 sprintf (tmp,"Can't rename mailbox %.80s to %.80s: %.80s",old,newname,
yuuji@0 480 strerror (errno));
yuuji@0 481 mm_log (tmp,ERROR);
yuuji@0 482 return NIL;
yuuji@0 483 }
yuuji@0 484 return LONGT; /* return success */
yuuji@0 485 }
yuuji@0 486
yuuji@0 487 /* Dummy open
yuuji@0 488 * Accepts: stream to open
yuuji@0 489 * Returns: stream on success, NIL on failure
yuuji@0 490 */
yuuji@0 491
yuuji@0 492 MAILSTREAM *dummy_open (MAILSTREAM *stream)
yuuji@0 493 {
yuuji@0 494 int fd;
yuuji@0 495 char err[MAILTMPLEN],tmp[MAILTMPLEN];
yuuji@0 496 struct stat sbuf;
yuuji@0 497 /* OP_PROTOTYPE call */
yuuji@0 498 if (!stream) return &dummyproto;
yuuji@0 499 err[0] = '\0'; /* no error message yet */
yuuji@0 500 /* can we open the file? */
yuuji@0 501 if (!dummy_file (tmp,stream->mailbox))
yuuji@0 502 sprintf (err,"Can't open this name: %.80s",stream->mailbox);
yuuji@0 503 else if ((fd = open (tmp,O_RDONLY,NIL)) < 0) {
yuuji@0 504 /* no, error unless INBOX */
yuuji@0 505 if (compare_cstring (stream->mailbox,"INBOX"))
yuuji@0 506 sprintf (err,"%.80s: %.80s",strerror (errno),stream->mailbox);
yuuji@0 507 }
yuuji@0 508 else { /* file had better be empty then */
yuuji@0 509 fstat (fd,&sbuf); /* sniff at its size */
yuuji@0 510 close (fd);
yuuji@0 511 if (sbuf.st_size) /* bogus format if non-empty */
yuuji@0 512 sprintf (err,"%.80s (file %.80s) is not in valid mailbox format",
yuuji@0 513 stream->mailbox,tmp);
yuuji@0 514 }
yuuji@0 515 if (err[0]) { /* if an error happened */
yuuji@0 516 mm_log (err,stream->silent ? WARN : ERROR);
yuuji@0 517 return NIL;
yuuji@0 518 }
yuuji@0 519 else if (!stream->silent) { /* only if silence not requested */
yuuji@0 520 mail_exists (stream,0); /* say there are 0 messages */
yuuji@0 521 mail_recent (stream,0); /* and certainly no recent ones! */
yuuji@0 522 stream->uid_validity = time (0);
yuuji@0 523 }
yuuji@0 524 stream->inbox = T; /* note that it's an INBOX */
yuuji@0 525 return stream; /* return success */
yuuji@0 526 }
yuuji@0 527
yuuji@0 528
yuuji@0 529 /* Dummy close
yuuji@0 530 * Accepts: MAIL stream
yuuji@0 531 * options
yuuji@0 532 */
yuuji@0 533
yuuji@0 534 void dummy_close (MAILSTREAM *stream,long options)
yuuji@0 535 {
yuuji@0 536 /* return silently */
yuuji@0 537 }
yuuji@0 538
yuuji@0 539 /* Dummy ping mailbox
yuuji@0 540 * Accepts: MAIL stream
yuuji@0 541 * Returns: T if stream alive, else NIL
yuuji@0 542 */
yuuji@0 543
yuuji@0 544 long dummy_ping (MAILSTREAM *stream)
yuuji@0 545 {
yuuji@0 546 MAILSTREAM *test;
yuuji@0 547 /* time to do another test? */
yuuji@0 548 if (time (0) >= ((time_t) (stream->gensym + 30))) {
yuuji@0 549 /* has mailbox format changed? */
yuuji@0 550 if ((test = mail_open (NIL,stream->mailbox,OP_PROTOTYPE)) &&
yuuji@0 551 (test->dtb != stream->dtb) &&
yuuji@0 552 (test = mail_open (NIL,stream->mailbox,NIL))) {
yuuji@0 553 /* preserve some resources */
yuuji@0 554 test->original_mailbox = stream->original_mailbox;
yuuji@0 555 stream->original_mailbox = NIL;
yuuji@0 556 test->sparep = stream->sparep;
yuuji@0 557 stream->sparep = NIL;
yuuji@0 558 test->sequence = stream->sequence;
yuuji@0 559 mail_close ((MAILSTREAM *) /* flush resources used by dummy stream */
yuuji@0 560 memcpy (fs_get (sizeof (MAILSTREAM)),stream,
yuuji@0 561 sizeof (MAILSTREAM)));
yuuji@0 562 /* swap the streams */
yuuji@0 563 memcpy (stream,test,sizeof (MAILSTREAM));
yuuji@0 564 fs_give ((void **) &test);/* flush test now that copied */
yuuji@0 565 /* make sure application knows */
yuuji@0 566 mail_exists (stream,stream->recent = stream->nmsgs);
yuuji@0 567 }
yuuji@0 568 /* still hasn't changed */
yuuji@0 569 else stream->gensym = time (0);
yuuji@0 570 }
yuuji@0 571 return T;
yuuji@0 572 }
yuuji@0 573
yuuji@0 574
yuuji@0 575 /* Dummy check mailbox
yuuji@0 576 * Accepts: MAIL stream
yuuji@0 577 * No-op for readonly files, since read/writer can expunge it from under us!
yuuji@0 578 */
yuuji@0 579
yuuji@0 580 void dummy_check (MAILSTREAM *stream)
yuuji@0 581 {
yuuji@0 582 dummy_ping (stream); /* invoke ping */
yuuji@0 583 }
yuuji@0 584
yuuji@0 585
yuuji@0 586 /* Dummy expunge mailbox
yuuji@0 587 * Accepts: MAIL stream
yuuji@0 588 * sequence to expunge if non-NIL
yuuji@0 589 * expunge options
yuuji@0 590 * Returns: T, always
yuuji@0 591 */
yuuji@0 592
yuuji@0 593 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options)
yuuji@0 594 {
yuuji@0 595 return LONGT;
yuuji@0 596 }
yuuji@0 597
yuuji@0 598 /* Dummy copy message(s)
yuuji@0 599 * Accepts: MAIL stream
yuuji@0 600 * sequence
yuuji@0 601 * destination mailbox
yuuji@0 602 * options
yuuji@0 603 * Returns: T if copy successful, else NIL
yuuji@0 604 */
yuuji@0 605
yuuji@0 606 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
yuuji@0 607 {
yuuji@0 608 if ((options & CP_UID) ? mail_uid_sequence (stream,sequence) :
yuuji@0 609 mail_sequence (stream,sequence)) fatal ("Impossible dummy_copy");
yuuji@0 610 return NIL;
yuuji@0 611 }
yuuji@0 612
yuuji@0 613
yuuji@0 614 /* Dummy append message string
yuuji@0 615 * Accepts: mail stream
yuuji@0 616 * destination mailbox
yuuji@0 617 * append callback function
yuuji@0 618 * data for callback
yuuji@0 619 * Returns: T on success, NIL on failure
yuuji@0 620 */
yuuji@0 621
yuuji@0 622 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
yuuji@0 623 {
yuuji@0 624 struct stat sbuf;
yuuji@0 625 int fd = -1;
yuuji@0 626 int e;
yuuji@0 627 char tmp[MAILTMPLEN];
yuuji@0 628 MAILSTREAM *ts = default_proto (T);
yuuji@0 629 if (compare_cstring (mailbox,"INBOX") && dummy_file (tmp,mailbox) &&
yuuji@0 630 ((fd = open (tmp,O_RDONLY,NIL)) < 0)) {
yuuji@0 631 if ((e = errno) == ENOENT) /* failed, was it no such file? */
yuuji@0 632 mm_notify (stream,"[TRYCREATE] Must create mailbox before append",
yuuji@0 633 (long) NIL);
yuuji@0 634 sprintf (tmp,"%.80s: %.80s",strerror (e),mailbox);
yuuji@0 635 mm_log (tmp,ERROR); /* pass up error */
yuuji@0 636 return NIL; /* always fails */
yuuji@0 637 }
yuuji@0 638 if (fd >= 0) { /* found file? */
yuuji@0 639 fstat (fd,&sbuf); /* get its size */
yuuji@0 640 close (fd); /* toss out the fd */
yuuji@0 641 if (sbuf.st_size) ts = NIL; /* non-empty file? */
yuuji@0 642 }
yuuji@0 643 if (ts) return (*ts->dtb->append) (stream,mailbox,af,data);
yuuji@0 644 sprintf (tmp,"Indeterminate mailbox format: %.80s",mailbox);
yuuji@0 645 mm_log (tmp,ERROR);
yuuji@0 646 return NIL;
yuuji@0 647 }
yuuji@0 648
yuuji@0 649 /* Dummy mail generate file string
yuuji@0 650 * Accepts: temporary buffer to write into
yuuji@0 651 * mailbox name string
yuuji@0 652 * Returns: local file string or NIL if failure
yuuji@0 653 */
yuuji@0 654
yuuji@0 655 char *dummy_file (char *dst,char *name)
yuuji@0 656 {
yuuji@0 657 char *s = mailboxfile (dst,name);
yuuji@0 658 /* return our standard inbox */
yuuji@0 659 return (s && !*s) ? strcpy (dst,sysinbox ()) : s;
yuuji@0 660 }
yuuji@0 661
yuuji@0 662
yuuji@0 663 /* Dummy canonicalize name
yuuji@0 664 * Accepts: buffer to write name
yuuji@0 665 * reference
yuuji@0 666 * pattern
yuuji@0 667 * Returns: T if success, NIL if failure
yuuji@0 668 */
yuuji@0 669
yuuji@0 670 long dummy_canonicalize (char *tmp,char *ref,char *pat)
yuuji@0 671 {
yuuji@0 672 unsigned long i;
yuuji@0 673 char *s,dev[4];
yuuji@0 674 /* initially no device */
yuuji@0 675 dev[0] = dev[1] = dev[2] = dev[3] = '\0';
yuuji@0 676 if (ref) switch (*ref) { /* preliminary reference check */
yuuji@0 677 case '{': /* remote names not allowed */
yuuji@0 678 return NIL; /* disallowed */
yuuji@0 679 case '\0': /* empty reference string */
yuuji@0 680 break;
yuuji@0 681 default: /* all other names */
yuuji@0 682 if (ref[1] == ':') { /* start with device name? */
yuuji@0 683 dev[0] = *ref++; dev[1] = *ref++;
yuuji@0 684 }
yuuji@0 685 break;
yuuji@0 686 }
yuuji@0 687 if (pat[1] == ':') { /* device name in pattern? */
yuuji@0 688 dev[0] = *pat++; dev[1] = *pat++;
yuuji@0 689 ref = NIL; /* ignore reference */
yuuji@0 690 }
yuuji@0 691 switch (*pat) {
yuuji@0 692 case '#': /* namespace names */
yuuji@0 693 if (mailboxfile (tmp,pat)) strcpy (tmp,pat);
yuuji@0 694 else return NIL; /* unknown namespace */
yuuji@0 695 break;
yuuji@0 696 case '{': /* remote names not allowed */
yuuji@0 697 return NIL;
yuuji@0 698 case '\\': /* rooted name */
yuuji@0 699 ref = NIL; /* ignore reference */
yuuji@0 700 break;
yuuji@0 701 }
yuuji@0 702 /* make sure device names are rooted */
yuuji@0 703 if (dev[0] && (*(ref ? ref : pat) != '\\')) dev[2] = '\\';
yuuji@0 704 /* build name */
yuuji@0 705 sprintf (tmp,"%s%s%s",dev,ref ? ref : "",pat);
yuuji@0 706 ucase (tmp); /* force upper case */
yuuji@0 707 /* count wildcards */
yuuji@0 708 for (i = 0, s = tmp; *s; *s++) if ((*s == '*') || (*s == '%')) ++i;
yuuji@0 709 if (i > MAXWILDCARDS) { /* ridiculous wildcarding? */
yuuji@0 710 MM_LOG ("Excessive wildcards in LIST/LSUB",ERROR);
yuuji@0 711 return NIL;
yuuji@0 712 }
yuuji@0 713 return T;
yuuji@0 714 }

UW-IMAP'd extensions by yuuji