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

   1 /* mhlist.c -- list the contents of MIME messages
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include <h/mh.h>
   9 #include <fcntl.h>
  10 #include <h/signals.h>
  11 #include <h/md5.h>
  12 #include <h/mts.h>
  13 #include <h/tws.h>
  14 #include <h/mime.h>
  15 #include <h/mhparse.h>
  16 #include <h/mhcachesbr.h>
  17 #include <h/utils.h>
  18 #include "mhmisc.h"
  19 #include "sbr/m_maildir.h"
  20 #include "mhfree.h"
  21
  22 #define MHLIST_SWITCHES \
  23     X("check", 0, CHECKSW) \
  24     X("nocheck", 0, NCHECKSW) \
  25     X("headers", 0, HEADSW) \
  26     X("noheaders", 0, NHEADSW) \
  27     X("realsize", 0, SIZESW) \
  28     X("norealsize", 0, NSIZESW) \
  29     X("verbose", 0, VERBSW) \
  30     X("noverbose", 0, NVERBSW) \
  31     X("disposition", 0, DISPOSW) \
  32     X("nodisposition", 0, NDISPOSW) \
  33     X("file file", 0, FILESW) \
  34     X("part number", 0, PARTSW) \
  35     X("type content", 0, TYPESW) \
  36     X("prefer content", 0, PREFERSW) \
  37     X("noprefer", 0, NPREFERSW) \
  38     X("rcache policy", 0, RCACHESW) \
  39     X("wcache policy", 0, WCACHESW) \
  40     X("changecur", 0, CHGSW) \
  41     X("nochangecur", 0, NCHGSW) \
  42     X("version", 0, VERSIONSW) \
  43     X("help", 0, HELPSW) \
  44     X("debug", -5, DEBUGSW) \
  45
  46 #define X(sw, minchars, id) id,
  47 DEFINE_SWITCH_ENUM(MHLIST);
  48 #undef X
  49
  50 #define X(sw, minchars, id) { sw, minchars, id },
  51 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  52 #undef X
  53
  54 /*
  55  * This is currently needed to keep mhparse happy.
  56  * This needs to be changed.
  57  */
  58 int debugsw = 0;
  59
  60 #define quitser pipeser
  61
  62 /*
  63  * static prototypes
  64  */
  65 static void pipeser (int);
  66
  67
  68 int
  69 main (int argc, char **argv)
  70 {
  71     int sizesw = 1, headsw = 1, chgflag = 1, verbosw = 0, dispo = 0;
  72     int msgnum, *icachesw;
  73     char *cp, *file = NULL, *folder = NULL;
  74     char *maildir, buf[100], **argp;
  75     char **arguments;
  76     struct msgs_array msgs = { 0, 0, NULL };
  77     struct msgs *mp = NULL;
  78     CT ct, *ctp;
  79
  80     if (nmh_init(argv[0], 1)) { return 1; }
  81
  82     done=freects_done;
  83
  84     arguments = getarguments (invo_name, argc, argv, 1);
  85     argp = arguments;
  86
  87     /*
  88      * Parse arguments
  89      */
  90     while ((cp = *argp++)) {
  91         if (*cp == '-') {
  92             switch (smatch (++cp, switches)) {
  93             case AMBIGSW:
  94                 ambigsw (cp, switches);
  95                 done (1);
  96             case UNKWNSW:
  97                 adios (NULL, "-%s unknown", cp);
  98
  99             case HELPSW:
 100                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 101                         invo_name);
 102                 print_help (buf, switches, 1);
 103                 done (0);
 104             case VERSIONSW:
 105                 print_version(invo_name);
 106                 done (0);
 107
 108             case RCACHESW:
 109                 icachesw = &rcachesw;
 110                 goto do_cache;
 111             case WCACHESW:
 112                 icachesw = &wcachesw;
 113 do_cache:
 114                 if (!(cp = *argp++) || *cp == '-')
 115                     adios (NULL, "missing argument to %s", argp[-2]);
 116                 switch (*icachesw = smatch (cp, cache_policy)) {
 117                 case AMBIGSW:
 118                     ambigsw (cp, cache_policy);
 119                     done (1);
 120                 case UNKWNSW:
 121                     adios (NULL, "%s unknown", cp);
 122                 default:
 123                     break;
 124                 }
 125                 continue;
 126
 127             case CHECKSW:
 128                 checksw++;
 129                 continue;
 130             case NCHECKSW:
 131                 checksw = 0;
 132                 continue;
 133
 134             case HEADSW:
 135                 headsw = 1;
 136                 continue;
 137             case NHEADSW:
 138                 headsw = 0;
 139                 continue;
 140
 141             case SIZESW:
 142                 sizesw = 1;
 143                 continue;
 144             case NSIZESW:
 145                 sizesw = 0;
 146                 continue;
 147
 148             case PARTSW:
 149                 if (!(cp = *argp++) || *cp == '-')
 150                     adios (NULL, "missing argument to %s", argp[-2]);
 151                 if (npart >= NPARTS)
 152                     adios (NULL, "too many parts (starting with %s), %d max",
 153                            cp, NPARTS);
 154                 parts[npart++] = cp;
 155                 continue;
 156
 157             case TYPESW:
 158                 if (!(cp = *argp++) || *cp == '-')
 159                     adios (NULL, "missing argument to %s", argp[-2]);
 160                 if (ntype >= NTYPES)
 161                     adios (NULL, "too many types (starting with %s), %d max",
 162                            cp, NTYPES);
 163                 types[ntype++] = cp;
 164                 continue;
 165
 166             case PREFERSW:
 167                 if (!(cp = *argp++) || *cp == '-')
 168                     adios (NULL, "missing argument to %s", argp[-2]);
 169                 if (npreferred >= NPREFS)
 170                     adios (NULL, "too many preferred types (starting with %s), %d max",
 171                            cp, NPREFS);
 172                 mime_preference[npreferred].type = cp;
 173                 cp = strchr(cp, '/');
 174                 if (cp) *cp++ = '\0';
 175                 mime_preference[npreferred++].subtype = cp;
 176                 continue;
 177
 178             case NPREFERSW:
 179                 npreferred = 0;
 180                 continue;
 181
 182             case FILESW:
 183                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 184                     adios (NULL, "missing argument to %s", argp[-2]);
 185                 file = *cp == '-' ? cp : path (cp, TFILE);
 186                 continue;
 187
 188             case CHGSW:
 189                 chgflag++;
 190                 continue;
 191             case NCHGSW:
 192                 chgflag = 0;
 193                 continue;
 194
 195             case VERBSW:
 196                 verbosw = 1;
 197                 continue;
 198             case NVERBSW:
 199                 verbosw = 0;
 200                 continue;
 201             case DISPOSW:
 202                 dispo = 1;
 203                 continue;
 204             case NDISPOSW:
 205                 dispo = 0;
 206                 continue;
 207             case DEBUGSW:
 208                 debugsw = 1;
 209                 continue;
 210             }
 211         }
 212         if (*cp == '+' || *cp == '@') {
 213             if (folder)
 214                 adios (NULL, "only one folder at a time!");
 215             folder = pluspath (cp);
 216         } else
 217                 app_msgarg(&msgs, cp);
 218     }
 219
 220     /* null terminate the list of acceptable parts/types */
 221     parts[npart] = NULL;
 222     types[ntype] = NULL;
 223
 224     /* Check for public cache location */
 225     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 226         cache_public = NULL;
 227
 228     /* Check for private cache location */
 229     if (!(cache_private = context_find (nmhprivcache)))
 230         cache_private = ".cache";
 231     cache_private = getcpy (m_maildir (cache_private));
 232
 233     if (!context_find ("path"))
 234         free (path ("./", TFOLDER));
 235
 236     if (file && msgs.size)
 237         adios (NULL, "cannot specify msg and file at same time!");
 238
 239     /*
 240      * check if message is coming from file
 241      */
 242     if (file) {
 243         cts = mh_xcalloc(2, sizeof *cts);
 244         ctp = cts;
 245
 246         if ((ct = parse_mime (file)))
 247             *ctp++ = ct;
 248     } else {
 249         /*
 250          * message(s) are coming from a folder
 251          */
 252         if (!msgs.size)
 253             app_msgarg(&msgs, "cur");
 254         if (!folder)
 255             folder = getfolder (1);
 256         maildir = m_maildir (folder);
 257
 258         if (chdir (maildir) == NOTOK)
 259             adios (maildir, "unable to change directory to");
 260
 261         /* read folder and create message structure */
 262         if (!(mp = folder_read (folder, 0)))
 263             adios (NULL, "unable to read folder %s", folder);
 264
 265         /* check for empty folder */
 266         if (mp->nummsg == 0)
 267             adios (NULL, "no messages in %s", folder);
 268
 269         /* parse all the message ranges/sequences and set SELECTED */
 270         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 271             if (!m_convert (mp, msgs.msgs[msgnum]))
 272                 done (1);
 273         seq_setprev (mp);       /* set the previous-sequence */
 274
 275         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 276         ctp = cts;
 277
 278         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 279             if (is_selected(mp, msgnum)) {
 280                 char *msgnam;
 281
 282                 msgnam = m_name (msgnum);
 283                 if ((ct = parse_mime (msgnam)))
 284                     *ctp++ = ct;
 285             }
 286         }
 287     }
 288
 289     if (!*cts)
 290         done (1);
 291
 292     userrs = 1;
 293     SIGNAL (SIGQUIT, quitser);
 294     SIGNAL (SIGPIPE, pipeser);
 295
 296     /*
 297      * Get the associated umask for the relevant contents.
 298      */
 299     for (ctp = cts; *ctp; ctp++) {
 300         struct stat st;
 301
 302         ct = *ctp;
 303         if (type_ok (ct, 1) && !ct->c_umask) {
 304             if (stat (ct->c_file, &st) != NOTOK)
 305                 ct->c_umask = ~(st.st_mode & 0777);
 306             else
 307                 ct->c_umask = ~m_gmprot();
 308         }
 309     }
 310
 311     /*
 312      * List the message content
 313      */
 314     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 315
 316     /* Now free all the structures for the content */
 317     for (ctp = cts; *ctp; ctp++)
 318         free_content (*ctp);
 319
 320     free(cts);
 321     cts = NULL;
 322
 323     /* If reading from a folder, do some updating */
 324     if (mp) {
 325         context_replace (pfolder, folder);/* update current folder  */
 326         if (chgflag)
 327             seq_setcur (mp, mp->hghsel);  /* update current message */
 328         seq_save (mp);                    /* synchronize sequences  */
 329         context_save ();                  /* save the context file  */
 330     }
 331
 332     done (0);
 333     return 1;
 334 }
 335
 336
 337 static void
 338 pipeser (int i)
 339 {
 340     if (i == SIGQUIT) {
 341         fflush (stdout);
 342         fprintf (stderr, "\n");
 343         fflush (stderr);
 344     }
 345
 346     done (1);
 347     /* NOTREACHED */
 348 }