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

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