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

   1
   2 /*
   3  * mhlist.c -- list 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 <h/mts.h>
  15 #include <h/tws.h>
  16 #include <h/mime.h>
  17 #include <h/mhparse.h>
  18 #include <h/mhcachesbr.h>
  19 #include <h/utils.h>
  20
  21 #define MHLIST_SWITCHES \
  22     X("check", 0, CHECKSW) \
  23     X("nocheck", 0, NCHECKSW) \
  24     X("headers", 0, HEADSW) \
  25     X("noheaders", 0, NHEADSW) \
  26     X("realsize", 0, SIZESW) \
  27     X("norealsize", 0, NSIZESW) \
  28     X("verbose", 0, VERBSW) \
  29     X("noverbose", 0, NVERBSW) \
  30     X("disposition", 0, DISPOSW) \
  31     X("nodisposition", 0, NDISPOSW) \
  32     X("file file", 0, FILESW) \
  33     X("part number", 0, PARTSW) \
  34     X("type content", 0, TYPESW) \
  35     X("rcache policy", 0, RCACHESW) \
  36     X("wcache policy", 0, WCACHESW) \
  37     X("changecur", 0, CHGSW) \
  38     X("nochangecur", 0, NCHGSW) \
  39     X("version", 0, VERSIONSW) \
  40     X("help", 0, HELPSW) \
  41     X("debug", -5, DEBUGSW) \
  42
  43 #define X(sw, minchars, id) id,
  44 DEFINE_SWITCH_ENUM(MHLIST);
  45 #undef X
  46
  47 #define X(sw, minchars, id) { sw, minchars, id },
  48 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  49 #undef X
  50
  51
  52 /* mhcachesbr.c */
  53 extern int rcachesw;
  54 extern int wcachesw;
  55 extern char *cache_public;
  56 extern char *cache_private;
  57
  58 /* mhmisc.c */
  59 extern int npart;
  60 extern int ntype;
  61 extern char *parts[NPARTS + 1];
  62 extern char *types[NTYPES + 1];
  63 extern int userrs;
  64
  65 /*
  66  * This is currently needed to keep mhparse happy.
  67  * This needs to be changed.
  68  */
  69 int debugsw = 0;
  70
  71 #define quitser pipeser
  72
  73 /* mhparse.c */
  74 CT parse_mime (char *);
  75
  76 /* mhmisc.c */
  77 int part_ok (CT, int);
  78 int type_ok (CT, int);
  79 void flush_errors (void);
  80
  81 /* mhfree.c */
  82 extern CT *cts;
  83 void freects_done (int) NORETURN;
  84
  85 /*
  86  * static prototypes
  87  */
  88 static void pipeser (int);
  89
  90
  91 int
  92 main (int argc, char **argv)
  93 {
  94     int sizesw = 1, headsw = 1, chgflag = 1, verbosw = 0, dispo = 0;
  95     int msgnum, *icachesw;
  96     char *cp, *file = NULL, *folder = NULL;
  97     char *maildir, buf[100], **argp;
  98     char **arguments;
  99     struct msgs_array msgs = { 0, 0, NULL };
 100     struct msgs *mp = NULL;
 101     CT ct, *ctp;
 102
 103     if (nmh_init(argv[0], 1)) { return 1; }
 104
 105     done=freects_done;
 106
 107     arguments = getarguments (invo_name, argc, argv, 1);
 108     argp = arguments;
 109
 110     /*
 111      * Parse arguments
 112      */
 113     while ((cp = *argp++)) {
 114         if (*cp == '-') {
 115             switch (smatch (++cp, switches)) {
 116             case AMBIGSW:
 117                 ambigsw (cp, switches);
 118                 done (1);
 119             case UNKWNSW:
 120                 adios (NULL, "-%s unknown", cp);
 121
 122             case HELPSW:
 123                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 124                         invo_name);
 125                 print_help (buf, switches, 1);
 126                 done (0);
 127             case VERSIONSW:
 128                 print_version(invo_name);
 129                 done (0);
 130
 131             case RCACHESW:
 132                 icachesw = &rcachesw;
 133                 goto do_cache;
 134             case WCACHESW:
 135                 icachesw = &wcachesw;
 136 do_cache:
 137                 if (!(cp = *argp++) || *cp == '-')
 138                     adios (NULL, "missing argument to %s", argp[-2]);
 139                 switch (*icachesw = smatch (cp, caches)) {
 140                 case AMBIGSW:
 141                     ambigsw (cp, caches);
 142                     done (1);
 143                 case UNKWNSW:
 144                     adios (NULL, "%s unknown", cp);
 145                 default:
 146                     break;
 147                 }
 148                 continue;
 149
 150             case CHECKSW:
 151                 checksw++;
 152                 continue;
 153             case NCHECKSW:
 154                 checksw = 0;
 155                 continue;
 156
 157             case HEADSW:
 158                 headsw = 1;
 159                 continue;
 160             case NHEADSW:
 161                 headsw = 0;
 162                 continue;
 163
 164             case SIZESW:
 165                 sizesw = 1;
 166                 continue;
 167             case NSIZESW:
 168                 sizesw = 0;
 169                 continue;
 170
 171             case PARTSW:
 172                 if (!(cp = *argp++) || *cp == '-')
 173                     adios (NULL, "missing argument to %s", argp[-2]);
 174                 if (npart >= NPARTS)
 175                     adios (NULL, "too many parts (starting with %s), %d max",
 176                            cp, NPARTS);
 177                 parts[npart++] = cp;
 178                 continue;
 179
 180             case TYPESW:
 181                 if (!(cp = *argp++) || *cp == '-')
 182                     adios (NULL, "missing argument to %s", argp[-2]);
 183                 if (ntype >= NTYPES)
 184                     adios (NULL, "too many types (starting with %s), %d max",
 185                            cp, NTYPES);
 186                 types[ntype++] = cp;
 187                 continue;
 188
 189             case FILESW:
 190                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 191                     adios (NULL, "missing argument to %s", argp[-2]);
 192                 file = *cp == '-' ? cp : path (cp, TFILE);
 193                 continue;
 194
 195             case CHGSW:
 196                 chgflag++;
 197                 continue;
 198             case NCHGSW:
 199                 chgflag = 0;
 200                 continue;
 201
 202             case VERBSW:
 203                 verbosw = 1;
 204                 continue;
 205             case NVERBSW:
 206                 verbosw = 0;
 207                 continue;
 208             case DISPOSW:
 209                 dispo = 1;
 210                 continue;
 211             case NDISPOSW:
 212                 dispo = 0;
 213                 continue;
 214             case DEBUGSW:
 215                 debugsw = 1;
 216                 continue;
 217             }
 218         }
 219         if (*cp == '+' || *cp == '@') {
 220             if (folder)
 221                 adios (NULL, "only one folder at a time!");
 222             else
 223                 folder = pluspath (cp);
 224         } else
 225                 app_msgarg(&msgs, cp);
 226     }
 227
 228     /* null terminate the list of acceptable parts/types */
 229     parts[npart] = NULL;
 230     types[ntype] = NULL;
 231
 232     /* Check for public cache location */
 233     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 234         cache_public = NULL;
 235
 236     /* Check for private cache location */
 237     if (!(cache_private = context_find (nmhprivcache)))
 238         cache_private = ".cache";
 239     cache_private = getcpy (m_maildir (cache_private));
 240
 241     if (!context_find ("path"))
 242         free (path ("./", TFOLDER));
 243
 244     if (file && msgs.size)
 245         adios (NULL, "cannot specify msg and file at same time!");
 246
 247     /*
 248      * check if message is coming from file
 249      */
 250     if (file) {
 251         if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts))))
 252             adios (NULL, "out of memory");
 253         ctp = cts;
 254
 255         if ((ct = parse_mime (file)))
 256             *ctp++ = ct;
 257     } else {
 258         /*
 259          * message(s) are coming from a folder
 260          */
 261         if (!msgs.size)
 262             app_msgarg(&msgs, "cur");
 263         if (!folder)
 264             folder = getfolder (1);
 265         maildir = m_maildir (folder);
 266
 267         if (chdir (maildir) == NOTOK)
 268             adios (maildir, "unable to change directory to");
 269
 270         /* read folder and create message structure */
 271         if (!(mp = folder_read (folder, 0)))
 272             adios (NULL, "unable to read folder %s", folder);
 273
 274         /* check for empty folder */
 275         if (mp->nummsg == 0)
 276             adios (NULL, "no messages in %s", folder);
 277
 278         /* parse all the message ranges/sequences and set SELECTED */
 279         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 280             if (!m_convert (mp, msgs.msgs[msgnum]))
 281                 done (1);
 282         seq_setprev (mp);       /* set the previous-sequence */
 283
 284         if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts))))
 285             adios (NULL, "out of memory");
 286         ctp = cts;
 287
 288         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 289             if (is_selected(mp, msgnum)) {
 290                 char *msgnam;
 291
 292                 msgnam = m_name (msgnum);
 293                 if ((ct = parse_mime (msgnam)))
 294                     *ctp++ = ct;
 295             }
 296         }
 297     }
 298
 299     if (!*cts)
 300         done (1);
 301
 302     userrs = 1;
 303     SIGNAL (SIGQUIT, quitser);
 304     SIGNAL (SIGPIPE, pipeser);
 305
 306     /*
 307      * Get the associated umask for the relevant contents.
 308      */
 309     for (ctp = cts; *ctp; ctp++) {
 310         struct stat st;
 311
 312         ct = *ctp;
 313         if (type_ok (ct, 1) && !ct->c_umask) {
 314             if (stat (ct->c_file, &st) != NOTOK)
 315                 ct->c_umask = ~(st.st_mode & 0777);
 316             else
 317                 ct->c_umask = ~m_gmprot();
 318         }
 319     }
 320
 321     /*
 322      * List the message content
 323      */
 324     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 325
 326     /* Now free all the structures for the content */
 327     for (ctp = cts; *ctp; ctp++)
 328         free_content (*ctp);
 329
 330     free ((char *) cts);
 331     cts = NULL;
 332
 333     /* If reading from a folder, do some updating */
 334     if (mp) {
 335         context_replace (pfolder, folder);/* update current folder  */
 336         if (chgflag)
 337             seq_setcur (mp, mp->hghsel);  /* update current message */
 338         seq_save (mp);                    /* synchronize sequences  */
 339         context_save ();                  /* save the context file  */
 340     }
 341
 342     done (0);
 343     return 1;
 344 }
 345
 346
 347 static void
 348 pipeser (int i)
 349 {
 350     if (i == SIGQUIT) {
 351         fflush (stdout);
 352         fprintf (stderr, "\n");
 353         fflush (stderr);
 354     }
 355
 356     done (1);
 357     /* NOTREACHED */
 358 }