imapext-2007

annotate src/osdep/nt/dummynt.c @ 0:ada5e610ab86

find changesets by author, revision, files, or words in the commit message
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 for NT
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: 1 June 2007
yuuji@0 27 */
yuuji@0 28
yuuji@0 29
yuuji@0 30 #include <ctype.h>
yuuji@0 31 #include <stdio.h>
yuuji@0 32 #include <errno.h>
yuuji@0 33 #include <fcntl.h>
yuuji@0 34 #include <direct.h>
yuuji@0 35 #include "mail.h"
yuuji@0 36 #include "osdep.h"
yuuji@0 37 #include <sys\stat.h>
yuuji@0 38 #include <dos.h>
yuuji@0 39 #include "dummy.h"
yuuji@0 40 #include "misc.h"
yuuji@0 41
yuuji@0 42 /* Function prototypes */
yuuji@0 43
yuuji@0 44 DRIVER *dummy_valid (char *name);
yuuji@0 45 void *dummy_parameters (long function,void *value);
yuuji@0 46 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 47 long level);
yuuji@0 48 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 49 long attributes,char *contents);
yuuji@0 50 long dummy_subscribe (MAILSTREAM *stream,char *mailbox);
yuuji@0 51 MAILSTREAM *dummy_open (MAILSTREAM *stream);
yuuji@0 52 void dummy_close (MAILSTREAM *stream,long options);
yuuji@0 53 long dummy_ping (MAILSTREAM *stream);
yuuji@0 54 void dummy_check (MAILSTREAM *stream);
yuuji@0 55 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options);
yuuji@0 56 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
yuuji@0 57 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
yuuji@0 58
yuuji@0 59 /* Dummy routines */
yuuji@0 60
yuuji@0 61
yuuji@0 62 /* Driver dispatch used by MAIL */
yuuji@0 63
yuuji@0 64 DRIVER dummydriver = {
yuuji@0 65 "dummy", /* driver name */
yuuji@0 66 DR_LOCAL|DR_MAIL, /* driver flags */
yuuji@0 67 (DRIVER *) NIL, /* next driver */
yuuji@0 68 dummy_valid, /* mailbox is valid for us */
yuuji@0 69 dummy_parameters, /* manipulate parameters */
yuuji@0 70 dummy_scan, /* scan mailboxes */
yuuji@0 71 dummy_list, /* list mailboxes */
yuuji@0 72 dummy_lsub, /* list subscribed mailboxes */
yuuji@0 73 dummy_subscribe, /* subscribe to mailbox */
yuuji@0 74 NIL, /* unsubscribe from mailbox */
yuuji@0 75 dummy_create, /* create mailbox */
yuuji@0 76 dummy_delete, /* delete mailbox */
yuuji@0 77 dummy_rename, /* rename mailbox */
yuuji@0 78 mail_status_default, /* status of mailbox */
yuuji@0 79 dummy_open, /* open mailbox */
yuuji@0 80 dummy_close, /* close mailbox */
yuuji@0 81 NIL, /* fetch message "fast" attributes */
yuuji@0 82 NIL, /* fetch message flags */
yuuji@0 83 NIL, /* fetch overview */
yuuji@0 84 NIL, /* fetch message structure */
yuuji@0 85 NIL, /* fetch header */
yuuji@0 86 NIL, /* fetch text */
yuuji@0 87 NIL, /* fetch message data */
yuuji@0 88 NIL, /* unique identifier */
yuuji@0 89 NIL, /* message number from UID */
yuuji@0 90 NIL, /* modify flags */
yuuji@0 91 NIL, /* per-message modify flags */
yuuji@0 92 NIL, /* search for message based on criteria */
yuuji@0 93 NIL, /* sort messages */
yuuji@0 94 NIL, /* thread messages */
yuuji@0 95 dummy_ping, /* ping mailbox to see if still alive */
yuuji@0 96 dummy_check, /* check for new messages */
yuuji@0 97 dummy_expunge, /* expunge deleted messages */
yuuji@0 98 dummy_copy, /* copy messages to another mailbox */
yuuji@0 99 dummy_append, /* append string message to mailbox */
yuuji@0 100 NIL /* garbage collect stream */
yuuji@0 101 };
yuuji@0 102
yuuji@0 103
yuuji@0 104 /* prototype stream */
yuuji@0 105 MAILSTREAM dummyproto = {&dummydriver};
yuuji@0 106
yuuji@0 107 /* Dummy validate mailbox
yuuji@0 108 * Accepts: mailbox name
yuuji@0 109 * Returns: our driver if name is valid, NIL otherwise
yuuji@0 110 */
yuuji@0 111
yuuji@0 112 DRIVER *dummy_valid (char *name)
yuuji@0 113 {
yuuji@0 114 char *s,*t,tmp[MAILTMPLEN];
yuuji@0 115 struct stat sbuf;
yuuji@0 116 /* must be valid local mailbox */
yuuji@0 117 if (name && *name && (*name != '{') && (s = mailboxfile (tmp,name))) {
yuuji@0 118 /* indeterminate INBOX */
yuuji@0 119 if (!*s) return &dummydriver;
yuuji@0 120 /* remove trailing \ */
yuuji@0 121 if ((t = strrchr (s,'\\')) && !t[1]) *t = '\0';
yuuji@0 122 if (!stat (s,&sbuf)) switch (sbuf.st_mode & S_IFMT) {
yuuji@0 123 case S_IFREG: /* file */
yuuji@0 124 case S_IFDIR: /* future use */
yuuji@0 125 return &dummydriver;
yuuji@0 126 }
yuuji@0 127 }
yuuji@0 128 return NIL;
yuuji@0 129 }
yuuji@0 130
yuuji@0 131
yuuji@0 132 /* Dummy manipulate driver parameters
yuuji@0 133 * Accepts: function code
yuuji@0 134 * function-dependent value
yuuji@0 135 * Returns: function-dependent return value
yuuji@0 136 */
yuuji@0 137
yuuji@0 138 void *dummy_parameters (long function,void *value)
yuuji@0 139 {
yuuji@0 140 return NIL;
yuuji@0 141 }
yuuji@0 142
yuuji@0 143 /* Dummy scan mailboxes
yuuji@0 144 * Accepts: mail stream
yuuji@0 145 * reference
yuuji@0 146 * pattern to search
yuuji@0 147 * string to scan
yuuji@0 148 */
yuuji@0 149
yuuji@0 150 void dummy_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents)
yuuji@0 151 {
yuuji@0 152 char *s,test[MAILTMPLEN],file[MAILTMPLEN];
yuuji@0 153 long i = 0;
yuuji@0 154 if (!pat || !*pat) { /* empty pattern? */
yuuji@0 155 if (dummy_canonicalize (test,ref,"*")) {
yuuji@0 156 /* tie off name at root */
yuuji@0 157 if (s = strchr (test,'\\')) *++s = '\0';
yuuji@0 158 else test[0] = '\0';
yuuji@0 159 dummy_listed (stream,'\\',test,LATT_NOSELECT,NIL);
yuuji@0 160 }
yuuji@0 161 }
yuuji@0 162 /* get canonical form of name */
yuuji@0 163 else if (dummy_canonicalize (test,ref,pat)) {
yuuji@0 164 /* found any wildcards? */
yuuji@0 165 if (s = strpbrk (test,"%*")) {
yuuji@0 166 /* yes, copy name up to that point */
yuuji@0 167 strncpy (file,test,(size_t) (i = s - test));
yuuji@0 168 file[i] = '\0'; /* tie off */
yuuji@0 169 }
yuuji@0 170 else strcpy (file,test); /* use just that name then */
yuuji@0 171 /* find directory name */
yuuji@0 172 if (s = strrchr (file,'\\')) {
yuuji@0 173 *++s = '\0'; /* found, tie off at that point */
yuuji@0 174 s = file;
yuuji@0 175 }
yuuji@0 176 /* silly case */
yuuji@0 177 else if (file[0] == '#') s = file;
yuuji@0 178 /* do the work */
yuuji@0 179 dummy_list_work (stream,s,test,contents,0);
yuuji@0 180 if (pmatch ("INBOX",test)) /* always an INBOX */
yuuji@0 181 dummy_listed (stream,NIL,"INBOX",LATT_NOINFERIORS,contents);
yuuji@0 182 }
yuuji@0 183 }
yuuji@0 184
yuuji@0 185 /* Dummy list mailboxes
yuuji@0 186 * Accepts: mail stream
yuuji@0 187 * reference
yuuji@0 188 * pattern to search
yuuji@0 189 */
yuuji@0 190
yuuji@0 191 void dummy_list (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 192 {
yuuji@0 193 dummy_scan (stream,ref,pat,NIL);
yuuji@0 194 }
yuuji@0 195
yuuji@0 196
yuuji@0 197 /* Dummy list subscribed mailboxes
yuuji@0 198 * Accepts: mail stream
yuuji@0 199 * reference
yuuji@0 200 * pattern to search
yuuji@0 201 */
yuuji@0 202
yuuji@0 203 void dummy_lsub (MAILSTREAM *stream,char *ref,char *pat)
yuuji@0 204 {
yuuji@0 205 void *sdb = NIL;
yuuji@0 206 char *s,*t,test[MAILTMPLEN];
yuuji@0 207 int showuppers = pat[strlen (pat) - 1] == '%';
yuuji@0 208 /* get canonical form of name */
yuuji@0 209 if (dummy_canonicalize (test,ref,pat) && (s = sm_read (&sdb))) do
yuuji@0 210 if (*s != '{') {
yuuji@0 211 if (pmatch_full (s,test,'\\')) {
yuuji@0 212 if (pmatch (s,"INBOX")) mm_lsub (stream,NIL,s,LATT_NOINFERIORS);
yuuji@0 213 else mm_lsub (stream,'\\',s,NIL);
yuuji@0 214 }
yuuji@0 215 else while (showuppers && (t = strrchr (s,'\\'))) {
yuuji@0 216 *t = '\0'; /* tie off the name */
yuuji@0 217 if (pmatch_full (s,test,'\\')) mm_lsub (stream,'\\',s,LATT_NOSELECT);
yuuji@0 218 }
yuuji@0 219 }
yuuji@0 220 while (s = sm_read (&sdb)); /* until no more subscriptions */
yuuji@0 221 }
yuuji@0 222
yuuji@0 223
yuuji@0 224 /* Dummy subscribe to mailbox
yuuji@0 225 * Accepts: mail stream
yuuji@0 226 * mailbox to add to subscription list
yuuji@0 227 * Returns: T on success, NIL on failure
yuuji@0 228 */
yuuji@0 229
yuuji@0 230 long dummy_subscribe (MAILSTREAM *stream,char *mailbox)
yuuji@0 231 {
yuuji@0 232 char *s,tmp[MAILTMPLEN];
yuuji@0 233 struct stat sbuf;
yuuji@0 234 /* must be valid local mailbox */
yuuji@0 235 if ((s = mailboxfile (tmp,mailbox)) && *s && !stat (s,&sbuf) &&
yuuji@0 236 ((sbuf.st_mode & S_IFMT) == S_IFREG)) return sm_subscribe (mailbox);
yuuji@0 237 sprintf (tmp,"Can't subscribe %.80s: not a mailbox",mailbox);
yuuji@0 238 mm_log (tmp,ERROR);
yuuji@0 239 return NIL;
yuuji@0 240 }
yuuji@0 241
yuuji@0 242 /* Dummy list mailboxes worker routine
yuuji@0 243 * Accepts: mail stream
yuuji@0 244 * directory name to search
yuuji@0 245 * search pattern
yuuji@0 246 * string to scan
yuuji@0 247 * search level
yuuji@0 248 */
yuuji@0 249
yuuji@0 250 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
yuuji@0 251 long level)
yuuji@0 252 {
yuuji@0 253 struct _finddata_t f;
yuuji@0 254 struct stat sbuf;
yuuji@0 255 long fhandle;
yuuji@0 256 char tmp[MAILTMPLEN];
yuuji@0 257 size_t len = 0;
yuuji@0 258 /* punt if bogus name */
yuuji@0 259 if (!mailboxdir (tmp,dir,NIL)) return;
yuuji@0 260 /* make directory wildcard */
yuuji@0 261 strcat (tmp,(tmp[strlen (tmp) -1] == '\\') ? "*.*" : "\\*.*");
yuuji@0 262 /* do nothing if can't open directory */
yuuji@0 263 if ((fhandle = _findfirst (tmp,&f)) >= 0) {
yuuji@0 264 /* list it if at top-level */
yuuji@0 265 if (!level && dir && pmatch_full (dir,pat,'\\'))
yuuji@0 266 dummy_listed (stream,'\\',dir,LATT_NOSELECT,contents);
yuuji@0 267 /* scan directory */
yuuji@0 268 if (!dir || dir[(len = strlen (dir)) - 1] == '\\') do
yuuji@0 269 if (((f.name[0] != '.') ||
yuuji@0 270 (f.name[1] && ((f.name[1] != '.') || f.name[2]))) &&
yuuji@0 271 ((len + strlen (f.name)) <= NETMAXMBX)) {
yuuji@0 272 /* see if name is useful */
yuuji@0 273 if (dir) sprintf (tmp,"%s%s",dir,f.name);
yuuji@0 274 else strcpy (tmp,f.name);
yuuji@0 275 /* make sure useful and can get info */
yuuji@0 276 if ((pmatch_full (tmp,pat,'\\') ||
yuuji@0 277 pmatch_full (strcat (tmp,"\\"),pat,'\\') ||
yuuji@0 278 dmatch (tmp,pat,'\\')) &&
yuuji@0 279 mailboxdir (tmp,dir,f.name) && tmp[0] && !stat (tmp,&sbuf)) {
yuuji@0 280 /* now make name we'd return */
yuuji@0 281 if (dir) sprintf (tmp,"%s%s",dir,f.name);
yuuji@0 282 else strcpy (tmp,f.name);
yuuji@0 283 /* only interested in file type */
yuuji@0 284 switch (sbuf.st_mode & S_IFMT) {
yuuji@0 285 case S_IFDIR: /* directory? */
yuuji@0 286 if (pmatch_full (tmp,pat,'\\')) {
yuuji@0 287 if (!dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents))break;
yuuji@0 288 strcat (tmp,"\\");/* set up for dmatch call */
yuuji@0 289 }
yuuji@0 290 /* try again with trailing \ */
yuuji@0 291 else if (pmatch_full (strcat (tmp,"\\"),pat,'\\') &&
yuuji@0 292 !dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents))
yuuji@0 293 break;
yuuji@0 294 if (dmatch (tmp,pat,'\\') &&
yuuji@0 295 (level < (long) mail_parameters (NIL,GET_LISTMAXLEVEL,NIL)))
yuuji@0 296 dummy_list_work (stream,tmp,pat,contents,level+1);
yuuji@0 297 break;
yuuji@0 298 case S_IFREG: /* ordinary name */
yuuji@0 299 if (pmatch_full (tmp,pat,'\\') && !pmatch ("INBOX",tmp))
yuuji@0 300 dummy_listed (stream,'\\',tmp,LATT_NOINFERIORS,contents);
yuuji@0 301 break;
yuuji@0 302 }
yuuji@0 303 }
yuuji@0 304 }
yuuji@0 305 while (!_findnext (fhandle,&f));
yuuji@0 306 _findclose(fhandle);
yuuji@0 307 }
yuuji@0 308 }
yuuji@0 309
yuuji@0 310 /* Mailbox found
yuuji@0 311 * Accepts: hierarchy delimiter
yuuji@0 312 * mailbox name
yuuji@0 313 * attributes
yuuji@0 314 * contents to search before calling mm_list()
yuuji@0 315 * Returns: T, always
yuuji@0 316 */
yuuji@0 317
yuuji@0 318 #define BUFSIZE 4*MAILTMPLEN
yuuji@0 319
yuuji@0 320 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
yuuji@0 321 long attributes,char *contents)
yuuji@0 322 {
yuuji@0 323 struct stat sbuf;
yuuji@0 324 struct _finddata_t f;
yuuji@0 325 int fd,nochild;
yuuji@0 326 long fhandle,csiz,ssiz,bsiz;
yuuji@0 327 char *s,*buf,tmp[MAILTMPLEN];
yuuji@0 328 /* if not \NoInferiors */
yuuji@0 329 if (!(attributes & LATT_NOINFERIORS) && mailboxdir (tmp,name,NIL) &&
yuuji@0 330 strcat (tmp,(tmp[strlen (tmp) -1] == '\\') ? "*.*" : "\\*.*") &&
yuuji@0 331 ((fhandle = _findfirst (tmp,&f)) >= 0)) {
yuuji@0 332 nochild = T;
yuuji@0 333 do if ((f.name[0] != '.') || (f.name[1] && ((f.name[1] != '.') ||
yuuji@0 334 f.name[2]))) nochild = NIL;
yuuji@0 335 while (nochild && !_findnext (fhandle,&f));
yuuji@0 336 attributes |= nochild ? LATT_HASNOCHILDREN : LATT_HASCHILDREN;
yuuji@0 337 _findclose (fhandle); /* all done, flush directory */
yuuji@0 338 }
yuuji@0 339 if (contents) { /* want to search contents? */
yuuji@0 340 /* forget it if can't select or open */
yuuji@0 341 if ((attributes & LATT_NOSELECT) || !(csiz = strlen (contents)) ||
yuuji@0 342 !(s = dummy_file (tmp,name)) || stat (s,&sbuf) ||
yuuji@0 343 (csiz > sbuf.st_size) || ((fd = open (tmp,O_RDONLY,NIL)) < 0))
yuuji@0 344 return T;
yuuji@0 345 /* get buffer including slop */
yuuji@0 346 buf = (char *) fs_get (BUFSIZE + (ssiz = 4 * ((csiz / 4) + 1)) + 1);
yuuji@0 347 memset (buf,'\0',ssiz); /* no slop area the first time */
yuuji@0 348 while (sbuf.st_size) { /* until end of file */
yuuji@0 349 read (fd,buf+ssiz,bsiz = min (sbuf.st_size,BUFSIZE));
yuuji@0 350 if (search ((unsigned char *) buf,bsiz+ssiz,
yuuji@0 351 (unsigned char *) contents,csiz)) break;
yuuji@0 352 memcpy (buf,buf+BUFSIZE,ssiz);
yuuji@0 353 sbuf.st_size -= bsiz; /* note that we read that much */
yuuji@0 354 }
yuuji@0 355 fs_give ((void **) &buf); /* flush buffer */
yuuji@0 356 close (fd); /* finished with file */
yuuji@0 357 if (!sbuf.st_size) return T;/* not found */
yuuji@0 358 }
yuuji@0 359 /* notify main program */
yuuji@0 360 mm_list (stream,delimiter,name,attributes);
yuuji@0 361 return T;
yuuji@0 362 }
yuuji@0 363
yuuji@0 364 /* Dummy create mailbox
yuuji@0 365 * Accepts: mail stream
yuuji@0 366 * mailbox name to create
yuuji@0 367 * Returns: T on success, NIL on failure
yuuji@0 368 */
yuuji@0 369
yuuji@0 370 long dummy_create (MAILSTREAM *stream,char *mailbox)
yuuji@0 371 {
yuuji@0 372 char tmp[MAILTMPLEN];
yuuji@0 373 if (compare_cstring (mailbox,"INBOX") && dummy_file (tmp,mailbox))
yuuji@0 374 return dummy_create_path (stream,tmp,NIL);
yuuji@0 375 sprintf (tmp,"Can't create %.80s: invalid name",mailbox);
yuuji@0 376 mm_log (tmp,ERROR);
yuuji@0 377 return NIL;
yuuji@0 378 }
yuuji@0 379
yuuji@0 380
yuuji@0 381 /* Dummy create path
yuuji@0 382 * Accepts: mail stream
yuuji@0 383 * path name to create
yuuji@0 384 * directory mode
yuuji@0 385 * Returns: T on success, NIL on failure
yuuji@0 386 */
yuuji@0 387
yuuji@0 388 long dummy_create_path (MAILSTREAM *stream,char *path,long dirmode)
yuuji@0 389 {
yuuji@0 390 struct stat sbuf;
yuuji@0 391 char c,*s,tmp[MAILTMPLEN];
yuuji@0 392 int fd;
yuuji@0 393 long ret = NIL;
yuuji@0 394 char *t = strrchr (path,'\\');
yuuji@0 395 char *pt = (path[1] == ':') ? path + 2 : path;
yuuji@0 396 int wantdir = t && !t[1];
yuuji@0 397 if (wantdir) *t = '\0'; /* flush trailing delimiter for directory */
yuuji@0 398 /* found superior to this name? */
yuuji@0 399 if ((s = strrchr (pt,'\\')) && (s != pt)) {
yuuji@0 400 strncpy (tmp,path,(size_t) (s - path));
yuuji@0 401 tmp[s - path] = '\0'; /* make directory name for stat */
yuuji@0 402 c = *++s; /* tie off in case need to recurse */
yuuji@0 403 *s = '\0';
yuuji@0 404 /* name doesn't exist, create it */
yuuji@0 405 if ((stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
yuuji@0 406 !dummy_create_path (stream,path,dirmode)) return NIL;
yuuji@0 407 *s = c; /* restore full name */
yuuji@0 408 }
yuuji@0 409 if (wantdir) { /* want to create directory? */
yuuji@0 410 ret = !mkdir (path);
yuuji@0 411 *t = '\\'; /* restore directory delimiter */
yuuji@0 412 }
yuuji@0 413 /* create file */
yuuji@0 414 else if ((fd = open (path,O_WRONLY|O_CREAT|O_EXCL,S_IREAD|S_IWRITE)) >= 0)
yuuji@0 415 ret = !close (fd); /* close file */
yuuji@0 416 if (!ret) { /* error? */
yuuji@0 417 sprintf (tmp,"Can't create mailbox node %.80s: %.80s",path,
yuuji@0 418 strerror (errno));
yuuji@0 419 mm_log (tmp,ERROR);
yuuji@0 420 }
yuuji@0 421 return ret; /* return status */
yuuji@0 422 }
yuuji@0 423
yuuji@0 424 /* Dummy delete mailbox
yuuji@0 425 * Accepts: mail stream
yuuji@0 426 * mailbox name to delete
yuuji@0 427 * Returns: T on success, NIL on failure
yuuji@0 428 */
yuuji@0 429
yuuji@0 430 long dummy_delete (MAILSTREAM *stream,char *mailbox)
yuuji@0 431 {
yuuji@0 432 struct stat sbuf;
yuuji@0 433 char *s,tmp[MAILTMPLEN];
yuuji@0 434 if (!(s = dummy_file (tmp,mailbox))) {
yuuji@0 435 sprintf (tmp,"Can't delete - invalid name: %.80s",s);
yuuji@0 436 mm_log (tmp,ERROR);
yuuji@0 437 }
yuuji@0 438 /* no trailing \ */
yuuji@0 439 if ((s = strrchr (tmp,'\\')) && !s[1]) *s = '\0';
yuuji@0 440 if (stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) == S_IFDIR) ?
yuuji@0 441 rmdir (tmp) : unlink (tmp)) {
yuuji@0 442 sprintf (tmp,"Can't delete mailbox %.80s: %.80s",mailbox,strerror (errno));
yuuji@0 443 mm_log (tmp,ERROR);
yuuji@0 444 return NIL;
yuuji@0 445 }
yuuji@0 446 return T; /* return success */
yuuji@0 447 }
yuuji@0 448
yuuji@0 449
yuuji@0 450 /* Mail rename mailbox
yuuji@0 451 * Accepts: mail stream
yuuji@0 452 * old mailbox name
yuuji@0 453 * new mailbox name
yuuji@0 454 * Returns: T on success, NIL on failure
yuuji@0 455 */
yuuji@0 456
yuuji@0 457 long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
yuuji@0 458 {
yuuji@0 459 struct stat sbuf;
yuuji@0 460 char c,*s,tmp[MAILTMPLEN],mbx[MAILTMPLEN],oldname[MAILTMPLEN];
yuuji@0 461 long ret = NIL;
yuuji@0 462 /* no trailing \ allowed */
yuuji@0 463 if (!dummy_file (oldname,old) || !(s = dummy_file (mbx,newname)) ||
yuuji@0 464 stat (oldname,&sbuf) || ((s = strrchr (s,'\\')) && !s[1] &&
yuuji@0 465 ((sbuf.st_mode & S_IFMT) != S_IFDIR))) {
yuuji@0 466 sprintf (mbx,"Can't rename %.80s to %.80s: invalid name",old,newname);
yuuji@0 467 mm_log (mbx,ERROR);
yuuji@0 468 return NIL;
yuuji@0 469 }
yuuji@0 470 if (s) { /* found a directory delimiter? */
yuuji@0 471 if (!s[1]) *s = '\0'; /* ignore trailing delimiter */
yuuji@0 472 /* found superior to destination name? */
yuuji@0 473 else if ((s != mbx) && ((mbx[1] != ':') || (s != mbx + 2))) {
yuuji@0 474 c = s[1]; /* remember character after delimiter */
yuuji@0 475 *s = s[1] = '\0'; /* tie off name at delimiter */
yuuji@0 476 /* name doesn't exist, create it */
yuuji@0 477 if (stat (mbx,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) {
yuuji@0 478 *s = '\\'; /* restore delimiter */
yuuji@0 479 if (!dummy_create (stream,mbx)) return NIL;
yuuji@0 480 }
yuuji@0 481 else *s = '\\'; /* restore delimiter */
yuuji@0 482 s[1] = c; /* restore character after delimiter */
yuuji@0 483 }
yuuji@0 484 }
yuuji@0 485 /* rename of non-ex INBOX creates dest */
yuuji@0 486 if (!compare_cstring (old,"INBOX") && stat (oldname,&sbuf))
yuuji@0 487 return dummy_create (NIL,mbx);
yuuji@0 488 if (rename (oldname,mbx)) {
yuuji@0 489 sprintf (tmp,"Can't rename mailbox %.80s to %.80s: %.80s",old,newname,
yuuji@0 490 strerror (errno));
yuuji@0 491 mm_log (tmp,ERROR);
yuuji@0 492 return NIL;
yuuji@0 493 }
yuuji@0 494 return LONGT; /* return success */
yuuji@0 495 }
yuuji@0 496
yuuji@0 497 /* Dummy open
yuuji@0 498 * Accepts: stream to open
yuuji@0 499 * Returns: stream on success, NIL on failure
yuuji@0 500 */
yuuji@0 501
yuuji@0 502 MAILSTREAM *dummy_open (MAILSTREAM *stream)
yuuji@0 503 {
yuuji@0 504 int fd;
yuuji@0 505 char err[MAILTMPLEN],tmp[MAILTMPLEN];
yuuji@0 506 struct stat sbuf;
yuuji@0 507 /* OP_PROTOTYPE call */
yuuji@0 508 if (!stream) return &dummyproto;
yuuji@0 509 err[0] = '\0'; /* no error message yet */
yuuji@0 510 /* can we open the file? */
yuuji@0 511 if (!dummy_file (tmp,stream->mailbox))
yuuji@0 512 sprintf (err,"Can't open this name: %.80s",stream->mailbox);
yuuji@0 513 else if ((fd = open (tmp,O_RDONLY,NIL)) < 0) {
yuuji@0 514 /* no, error unless INBOX */
yuuji@0 515 if (compare_cstring (stream->mailbox,"INBOX"))
yuuji@0 516 sprintf (err,"%.80s: %.80s",strerror (errno),stream->mailbox);
yuuji@0 517 }
yuuji@0 518 else { /* file had better be empty then */
yuuji@0 519 fstat (fd,&sbuf); /* sniff at its size */
yuuji@0 520 close (fd);
yuuji@0 521 if (sbuf.st_size) /* bogus format if non-empty */
yuuji@0 522 sprintf (err,"%.80s (file %.80s) is not in valid mailbox format",
yuuji@0 523 stream->mailbox,tmp);
yuuji@0 524 }
yuuji@0 525 if (err[0]) { /* if an error happened */
yuuji@0 526 mm_log (err,stream->silent ? WARN : ERROR);
yuuji@0 527 return NIL;
yuuji@0 528 }
yuuji@0 529 else if (!stream->silent) { /* only if silence not requested */
yuuji@0 530 mail_exists (stream,0); /* say there are 0 messages */
yuuji@0 531 mail_recent (stream,0); /* and certainly no recent ones! */
yuuji@0 532 stream->uid_validity = (unsigned long) time (0);
yuuji@0 533 }
yuuji@0 534 stream->inbox = T; /* note that it's an INBOX */
yuuji@0 535 return stream; /* return success */
yuuji@0 536 }
yuuji@0 537
yuuji@0 538
yuuji@0 539 /* Dummy close
yuuji@0 540 * Accepts: MAIL stream
yuuji@0 541 * options
yuuji@0 542 */
yuuji@0 543
yuuji@0 544 void dummy_close (MAILSTREAM *stream,long options)
yuuji@0 545 {
yuuji@0 546 /* return silently */
yuuji@0 547 }
yuuji@0 548
yuuji@0 549 /* Dummy ping mailbox
yuuji@0 550 * Accepts: MAIL stream
yuuji@0 551 * Returns: T if stream alive, else NIL
yuuji@0 552 */
yuuji@0 553
yuuji@0 554 long dummy_ping (MAILSTREAM *stream)
yuuji@0 555 {
yuuji@0 556 MAILSTREAM *test;
yuuji@0 557 /* time to do another test? */
yuuji@0 558 if (time (0) >= ((time_t) (stream->gensym + 30))) {
yuuji@0 559 /* has mailbox format changed? */
yuuji@0 560 if ((test = mail_open (NIL,stream->mailbox,OP_PROTOTYPE)) &&
yuuji@0 561 (test->dtb != stream->dtb) &&
yuuji@0 562 (test = mail_open (NIL,stream->mailbox,NIL))) {
yuuji@0 563 /* preserve some resources */
yuuji@0 564 test->original_mailbox = stream->original_mailbox;
yuuji@0 565 stream->original_mailbox = NIL;
yuuji@0 566 test->sparep = stream->sparep;
yuuji@0 567 stream->sparep = NIL;
yuuji@0 568 test->sequence = stream->sequence;
yuuji@0 569 mail_close ((MAILSTREAM *) /* flush resources used by dummy stream */
yuuji@0 570 memcpy (fs_get (sizeof (MAILSTREAM)),stream,
yuuji@0 571 sizeof (MAILSTREAM)));
yuuji@0 572 /* swap the streams */
yuuji@0 573 memcpy (stream,test,sizeof (MAILSTREAM));
yuuji@0 574 fs_give ((void **) &test);/* flush test now that copied */
yuuji@0 575 /* make sure application knows */
yuuji@0 576 mail_exists (stream,stream->recent = stream->nmsgs);
yuuji@0 577 }
yuuji@0 578 /* still hasn't changed */
yuuji@0 579 else stream->gensym = (unsigned long) time (0);
yuuji@0 580 }
yuuji@0 581 return T;
yuuji@0 582 }
yuuji@0 583
yuuji@0 584
yuuji@0 585 /* Dummy check mailbox
yuuji@0 586 * Accepts: MAIL stream
yuuji@0 587 * No-op for readonly files, since read/writer can expunge it from under us!
yuuji@0 588 */
yuuji@0 589
yuuji@0 590 void dummy_check (MAILSTREAM *stream)
yuuji@0 591 {
yuuji@0 592 dummy_ping (stream); /* invoke ping */
yuuji@0 593 }
yuuji@0 594
yuuji@0 595
yuuji@0 596 /* Dummy expunge mailbox
yuuji@0 597 * Accepts: MAIL stream
yuuji@0 598 * sequence to expunge if non-NIL
yuuji@0 599 * expunge options
yuuji@0 600 * Returns: T, always
yuuji@0 601 */
yuuji@0 602
yuuji@0 603 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options)
yuuji@0 604 {
yuuji@0 605 return LONGT;
yuuji@0 606 }
yuuji@0 607
yuuji@0 608 /* Dummy copy message(s)
yuuji@0 609 * Accepts: MAIL stream
yuuji@0 610 * sequence
yuuji@0 611 * destination mailbox
yuuji@0 612 * options
yuuji@0 613 * Returns: T if copy successful, else NIL
yuuji@0 614 */
yuuji@0 615
yuuji@0 616 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
yuuji@0 617 {
yuuji@0 618 if ((options & CP_UID) ? mail_uid_sequence (stream,sequence) :
yuuji@0 619 mail_sequence (stream,sequence)) fatal ("Impossible dummy_copy");
yuuji@0 620 return NIL;
yuuji@0 621 }
yuuji@0 622
yuuji@0 623
yuuji@0 624 /* Dummy append message string
yuuji@0 625 * Accepts: mail stream
yuuji@0 626 * destination mailbox
yuuji@0 627 * append callback function
yuuji@0 628 * data for callback
yuuji@0 629 * Returns: T on success, NIL on failure
yuuji@0 630 */
yuuji@0 631
yuuji@0 632 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
yuuji@0 633 {
yuuji@0 634 struct stat sbuf;
yuuji@0 635 int fd = -1;
yuuji@0 636 int e;
yuuji@0 637 char tmp[MAILTMPLEN];
yuuji@0 638 MAILSTREAM *ts = default_proto (T);
yuuji@0 639 if (compare_cstring (mailbox,"INBOX") && dummy_file (tmp,mailbox) &&
yuuji@0 640 ((fd = open (tmp,O_RDONLY,NIL)) < 0)) {
yuuji@0 641 if ((e = errno) == ENOENT) /* failed, was it no such file? */
yuuji@0 642 mm_notify (stream,"[TRYCREATE] Must create mailbox before append",
yuuji@0 643 (long) NIL);
yuuji@0 644 sprintf (tmp,"%.80s: %.80s",strerror (e),mailbox);
yuuji@0 645 mm_log (tmp,ERROR); /* pass up error */
yuuji@0 646 return NIL; /* always fails */
yuuji@0 647 }
yuuji@0 648 if (fd >= 0) { /* found file? */
yuuji@0 649 fstat (fd,&sbuf); /* get its size */
yuuji@0 650 close (fd); /* toss out the fd */
yuuji@0 651 if (sbuf.st_size) ts = NIL; /* non-empty file? */
yuuji@0 652 }
yuuji@0 653 if (ts) return (*ts->dtb->append) (stream,mailbox,af,data);
yuuji@0 654 sprintf (tmp,"Indeterminate mailbox format: %.80s",mailbox);
yuuji@0 655 mm_log (tmp,ERROR);
yuuji@0 656 return NIL;
yuuji@0 657 }
yuuji@0 658
yuuji@0 659 /* Dummy mail generate file string
yuuji@0 660 * Accepts: temporary buffer to write into
yuuji@0 661 * mailbox name string
yuuji@0 662 * Returns: local file string or NIL if failure
yuuji@0 663 */
yuuji@0 664
yuuji@0 665 char *dummy_file (char *dst,char *name)
yuuji@0 666 {
yuuji@0 667 char *s = mailboxfile (dst,name);
yuuji@0 668 /* return our standard inbox */
yuuji@0 669 return (s && !*s) ? strcpy (dst,sysinbox ()) : s;
yuuji@0 670 }
yuuji@0 671
yuuji@0 672
yuuji@0 673 /* Dummy canonicalize name
yuuji@0 674 * Accepts: buffer to write name
yuuji@0 675 * reference
yuuji@0 676 * pattern
yuuji@0 677 * Returns: T if success, NIL if failure
yuuji@0 678 */
yuuji@0 679
yuuji@0 680 long dummy_canonicalize (char *tmp,char *ref,char *pat)
yuuji@0 681 {
yuuji@0 682 unsigned long i;
yuuji@0 683 char *s,dev[4];
yuuji@0 684 /* initially no device */
yuuji@0 685 dev[0] = dev[1] = dev[2] = dev[3] = '\0';
yuuji@0 686 if (ref) switch (*ref) { /* preliminary reference check */
yuuji@0 687 case '{': /* remote names not allowed */
yuuji@0 688 return NIL; /* disallowed */
yuuji@0 689 case '\0': /* empty reference string */
yuuji@0 690 break;
yuuji@0 691 default: /* all other names */
yuuji@0 692 if (ref[1] == ':') { /* start with device name? */
yuuji@0 693 dev[0] = *ref++; dev[1] = *ref++;
yuuji@0 694 }
yuuji@0 695 break;
yuuji@0 696 }
yuuji@0 697 if (pat[1] == ':') { /* device name in pattern? */
yuuji@0 698 dev[0] = *pat++; dev[1] = *pat++;
yuuji@0 699 ref = NIL; /* ignore reference */
yuuji@0 700 }
yuuji@0 701 switch (*pat) {
yuuji@0 702 case '#': /* namespace names */
yuuji@0 703 if (mailboxfile (tmp,pat)) strcpy (tmp,pat);
yuuji@0 704 else return NIL; /* unknown namespace */
yuuji@0 705 break;
yuuji@0 706 case '{': /* remote names not allowed */
yuuji@0 707 return NIL;
yuuji@0 708 case '\\': /* rooted name */
yuuji@0 709 ref = NIL; /* ignore reference */
yuuji@0 710 break;
yuuji@0 711 }
yuuji@0 712 /* make sure device names are rooted */
yuuji@0 713 if (dev[0] && (*(ref ? ref : pat) != '\\')) dev[2] = '\\';
yuuji@0 714 /* build name */
yuuji@0 715 sprintf (tmp,"%s%s%s",dev,ref ? ref : "",pat);
yuuji@0 716 ucase (tmp); /* force upper case */
yuuji@0 717 /* count wildcards */
yuuji@0 718 for (i = 0, s = tmp; *s; *s++) if ((*s == '*') || (*s == '%')) ++i;
yuuji@0 719 if (i > MAXWILDCARDS) { /* ridiculous wildcarding? */
yuuji@0 720 MM_LOG ("Excessive wildcards in LIST/LSUB",ERROR);
yuuji@0 721 return NIL;
yuuji@0 722 }
yuuji@0 723 return T;
yuuji@0 724 }

UW-IMAP'd extensions by yuuji