imapext-2007

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

UW-IMAP'd extensions by yuuji