diplodocus.org Git - nmh/blob - uip/mhstore.c

   1
   2 /*
   3  * mhstore.c -- store the contents of MIME messages
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <fcntl.h>
  14 #include <h/signals.h>
  15 #include <h/md5.h>
  16 #include <errno.h>
  17 #include <signal.h>
  18 #include <h/mts.h>
  19 #include <h/tws.h>
  20 #include <h/mime.h>
  21 #include <h/mhparse.h>
  22 #include <h/mhcachesbr.h>
  23 #include <h/utils.h>
  24
  25 #ifdef HAVE_SYS_WAIT_H
  26 # include <sys/wait.h>
  27 #endif
  28
  29 static struct swit switches[] = {
  30 #define AUTOSW                  0
  31     { "auto", 0 },
  32 #define NAUTOSW                 1
  33     { "noauto", 0 },
  34 #define CHECKSW                 2
  35     { "check", 0 },
  36 #define NCHECKSW                3
  37     { "nocheck", 0 },
  38 #define VERBSW                  4
  39     { "verbose", 0 },
  40 #define NVERBSW                 5
  41     { "noverbose", 0 },
  42 #define FILESW                  6       /* interface from show */
  43     { "file file", 0 },
  44 #define PARTSW                  7
  45     { "part number", 0 },
  46 #define TYPESW                  8
  47     { "type content", 0 },
  48 #define RCACHESW                9
  49     { "rcache policy", 0 },
  50 #define WCACHESW               10
  51     { "wcache policy", 0 },
  52 #define VERSIONSW              11
  53     { "version", 0 },
  54 #define HELPSW                 12
  55     { "help", 0 },
  56
  57 /*
  58  * switches for debugging
  59  */
  60 #define DEBUGSW                13
  61     { "debug", -5 },
  62     { NULL, 0 }
  63 };
  64
  65
  66 /* mhparse.c */
  67 extern int checksw;
  68 extern char *tmp;       /* directory to place temp files */
  69
  70 /* mhcachesbr.c */
  71 extern int rcachesw;
  72 extern int wcachesw;
  73 extern char *cache_public;
  74 extern char *cache_private;
  75
  76 /* mhstoresbr.c */
  77 extern int autosw;
  78 extern char *cwd;       /* cache current working directory */
  79
  80 /* mhmisc.c */
  81 extern int npart;
  82 extern int ntype;
  83 extern char *parts[NPARTS + 1];
  84 extern char *types[NTYPES + 1];
  85 extern int userrs;
  86
  87 int debugsw = 0;
  88 int verbosw = 0;
  89
  90 #define quitser pipeser
  91
  92 /* mhparse.c */
  93 CT parse_mime (char *);
  94
  95 /* mhmisc.c */
  96 int part_ok (CT, int);
  97 int type_ok (CT, int);
  98 void set_endian (void);
  99 void flush_errors (void);
 100
 101 /* mhstoresbr.c */
 102 void store_all_messages (CT *);
 103
 104 /* mhfree.c */
 105 void free_content (CT);
 106 extern CT *cts;
 107 void freects_done (int);
 108
 109 /*
 110  * static prototypes
 111  */
 112 static RETSIGTYPE pipeser (int);
 113
 114
 115 int
 116 main (int argc, char **argv)
 117 {
 118     int msgnum, *icachesw;
 119     char *cp, *file = NULL, *folder = NULL;
 120     char *maildir, buf[100], **argp;
 121     char **arguments;
 122     struct msgs_array msgs = { 0, 0, NULL };
 123     struct msgs *mp = NULL;
 124     CT ct, *ctp;
 125     FILE *fp;
 126
 127     done=freects_done;
 128
 129 #ifdef LOCALE
 130     setlocale(LC_ALL, "");
 131 #endif
 132     invo_name = r1bindex (argv[0], '/');
 133
 134     /* read user profile/context */
 135     context_read();
 136
 137     arguments = getarguments (invo_name, argc, argv, 1);
 138     argp = arguments;
 139
 140     /*
 141      * Parse arguments
 142      */
 143     while ((cp = *argp++)) {
 144         if (*cp == '-') {
 145             switch (smatch (++cp, switches)) {
 146             case AMBIGSW:
 147                 ambigsw (cp, switches);
 148                 done (1);
 149             case UNKWNSW:
 150                 adios (NULL, "-%s unknown", cp);
 151
 152             case HELPSW:
 153                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 154                         invo_name);
 155                 print_help (buf, switches, 1);
 156                 done (1);
 157             case VERSIONSW:
 158                 print_version(invo_name);
 159                 done (1);
 160
 161             case AUTOSW:
 162                 autosw++;
 163                 continue;
 164             case NAUTOSW:
 165                 autosw = 0;
 166                 continue;
 167
 168             case RCACHESW:
 169                 icachesw = &rcachesw;
 170                 goto do_cache;
 171             case WCACHESW:
 172                 icachesw = &wcachesw;
 173 do_cache:
 174                 if (!(cp = *argp++) || *cp == '-')
 175                     adios (NULL, "missing argument to %s", argp[-2]);
 176                 switch (*icachesw = smatch (cp, caches)) {
 177                 case AMBIGSW:
 178                     ambigsw (cp, caches);
 179                     done (1);
 180                 case UNKWNSW:
 181                     adios (NULL, "%s unknown", cp);
 182                 default:
 183                     break;
 184                 }
 185                 continue;
 186
 187             case CHECKSW:
 188                 checksw++;
 189                 continue;
 190             case NCHECKSW:
 191                 checksw = 0;
 192                 continue;
 193
 194             case PARTSW:
 195                 if (!(cp = *argp++) || *cp == '-')
 196                     adios (NULL, "missing argument to %s", argp[-2]);
 197                 if (npart >= NPARTS)
 198                     adios (NULL, "too many parts (starting with %s), %d max",
 199                            cp, NPARTS);
 200                 parts[npart++] = cp;
 201                 continue;
 202
 203             case TYPESW:
 204                 if (!(cp = *argp++) || *cp == '-')
 205                     adios (NULL, "missing argument to %s", argp[-2]);
 206                 if (ntype >= NTYPES)
 207                     adios (NULL, "too many types (starting with %s), %d max",
 208                            cp, NTYPES);
 209                 types[ntype++] = cp;
 210                 continue;
 211
 212             case FILESW:
 213                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 214                     adios (NULL, "missing argument to %s", argp[-2]);
 215                 file = *cp == '-' ? cp : path (cp, TFILE);
 216                 continue;
 217
 218             case VERBSW:
 219                 verbosw = 1;
 220                 continue;
 221             case NVERBSW:
 222                 verbosw = 0;
 223                 continue;
 224             case DEBUGSW:
 225                 debugsw = 1;
 226                 continue;
 227             }
 228         }
 229         if (*cp == '+' || *cp == '@') {
 230             if (folder)
 231                 adios (NULL, "only one folder at a time!");
 232             else
 233                 folder = pluspath (cp);
 234         } else
 235                 app_msgarg(&msgs, cp);
 236     }
 237
 238     /* null terminate the list of acceptable parts/types */
 239     parts[npart] = NULL;
 240     types[ntype] = NULL;
 241
 242     set_endian ();
 243
 244     /*
 245      * Check if we've specified an additional profile
 246      */
 247     if ((cp = getenv ("MHSTORE"))) {
 248         if ((fp = fopen (cp, "r"))) {
 249             readconfig ((struct node **) 0, fp, cp, 0);
 250             fclose (fp);
 251         } else {
 252             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 253         }
 254     }
 255
 256     /*
 257      * Read the standard profile setup
 258      */
 259     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 260         readconfig ((struct node **) 0, fp, cp, 0);
 261         fclose (fp);
 262     }
 263
 264     /* Check for public cache location */
 265     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 266         cache_public = NULL;
 267
 268     /* Check for private cache location */
 269     if (!(cache_private = context_find (nmhprivcache)))
 270         cache_private = ".cache";
 271     cache_private = getcpy (m_maildir (cache_private));
 272
 273     /*
 274      * Cache the current directory before we do any chdirs()'s.
 275      */
 276     cwd = getcpy (pwd());
 277
 278     /*
 279      * Check for storage directory.  If specified,
 280      * then store temporary files there.  Else we
 281      * store them in standard nmh directory.
 282      */
 283     if ((cp = context_find (nmhstorage)) && *cp)
 284         tmp = concat (cp, "/", invo_name, NULL);
 285     else
 286         tmp = add (m_maildir (invo_name), NULL);
 287
 288     if (!context_find ("path"))
 289         free (path ("./", TFOLDER));
 290
 291     if (file && msgs.size)
 292         adios (NULL, "cannot specify msg and file at same time!");
 293
 294     /*
 295      * check if message is coming from file
 296      */
 297     if (file) {
 298         if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts))))
 299             adios (NULL, "out of memory");
 300         ctp = cts;
 301
 302         if ((ct = parse_mime (file)));
 303             *ctp++ = ct;
 304     } else {
 305         /*
 306          * message(s) are coming from a folder
 307          */
 308         if (!msgs.size)
 309             app_msgarg(&msgs, "cur");
 310         if (!folder)
 311             folder = getfolder (1);
 312         maildir = m_maildir (folder);
 313
 314         if (chdir (maildir) == NOTOK)
 315             adios (maildir, "unable to change directory to");
 316
 317         /* read folder and create message structure */
 318         if (!(mp = folder_read (folder)))
 319             adios (NULL, "unable to read folder %s", folder);
 320
 321         /* check for empty folder */
 322         if (mp->nummsg == 0)
 323             adios (NULL, "no messages in %s", folder);
 324
 325         /* parse all the message ranges/sequences and set SELECTED */
 326         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 327             if (!m_convert (mp, msgs.msgs[msgnum]))
 328                 done (1);
 329         seq_setprev (mp);       /* set the previous-sequence */
 330
 331         if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts))))
 332             adios (NULL, "out of memory");
 333         ctp = cts;
 334
 335         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 336             if (is_selected(mp, msgnum)) {
 337                 char *msgnam;
 338
 339                 msgnam = m_name (msgnum);
 340                 if ((ct = parse_mime (msgnam)))
 341                     *ctp++ = ct;
 342             }
 343         }
 344     }
 345
 346     if (!*cts)
 347         done (1);
 348
 349     userrs = 1;
 350     SIGNAL (SIGQUIT, quitser);
 351     SIGNAL (SIGPIPE, pipeser);
 352
 353     /*
 354      * Get the associated umask for the relevant contents.
 355      */
 356     for (ctp = cts; *ctp; ctp++) {
 357         struct stat st;
 358
 359         ct = *ctp;
 360         if (type_ok (ct, 1) && !ct->c_umask) {
 361             if (stat (ct->c_file, &st) != NOTOK)
 362                 ct->c_umask = ~(st.st_mode & 0777);
 363             else
 364                 ct->c_umask = ~m_gmprot();
 365         }
 366     }
 367
 368     /*
 369      * Store the message content
 370      */
 371     store_all_messages (cts);
 372
 373     /* Now free all the structures for the content */
 374     for (ctp = cts; *ctp; ctp++)
 375         free_content (*ctp);
 376
 377     free ((char *) cts);
 378     cts = NULL;
 379
 380     /* If reading from a folder, do some updating */
 381     if (mp) {
 382         context_replace (pfolder, folder);/* update current folder  */
 383         seq_setcur (mp, mp->hghsel);      /* update current message */
 384         seq_save (mp);                    /* synchronize sequences  */
 385         context_save ();                  /* save the context file  */
 386     }
 387
 388     done (0);
 389     return 1;
 390 }
 391
 392
 393 static RETSIGTYPE
 394 pipeser (int i)
 395 {
 396     if (i == SIGQUIT) {
 397         unlink ("core");
 398         fflush (stdout);
 399         fprintf (stderr, "\n");
 400         fflush (stderr);
 401     }
 402
 403     done (1);
 404     /* NOTREACHED */
 405 }