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 "sbr/smatch.h"
  10 #include "sbr/m_convert.h"
  11 #include "sbr/getfolder.h"
  12 #include "sbr/folder_read.h"
  13 #include "sbr/context_save.h"
  14 #include "sbr/context_replace.h"
  15 #include "sbr/context_find.h"
  16 #include "sbr/ambigsw.h"
  17 #include "sbr/path.h"
  18 #include "sbr/print_version.h"
  19 #include "sbr/print_help.h"
  20 #include "sbr/error.h"
  21 #include <fcntl.h>
  22 #include "h/signals.h"
  23 #include "h/md5.h"
  24 #include "h/mts.h"
  25 #include "h/tws.h"
  26 #include "h/mime.h"
  27 #include "h/mhparse.h"
  28 #include "h/mhcachesbr.h"
  29 #include "h/done.h"
  30 #include "h/utils.h"
  31 #include "mhmisc.h"
  32 #include "sbr/m_maildir.h"
  33 #include "mhfree.h"
  34
  35 #define MHLIST_SWITCHES \
  36     X("check", 0, CHECKSW) \
  37     X("nocheck", 0, NCHECKSW) \
  38     X("headers", 0, HEADSW) \
  39     X("noheaders", 0, NHEADSW) \
  40     X("realsize", 0, SIZESW) \
  41     X("norealsize", 0, NSIZESW) \
  42     X("verbose", 0, VERBSW) \
  43     X("noverbose", 0, NVERBSW) \
  44     X("disposition", 0, DISPOSW) \
  45     X("nodisposition", 0, NDISPOSW) \
  46     X("file file", 0, FILESW) \
  47     X("part number", 0, PARTSW) \
  48     X("type content", 0, TYPESW) \
  49     X("prefer content", 0, PREFERSW) \
  50     X("noprefer", 0, NPREFERSW) \
  51     X("rcache policy", 0, RCACHESW) \
  52     X("wcache policy", 0, WCACHESW) \
  53     X("changecur", 0, CHGSW) \
  54     X("nochangecur", 0, NCHGSW) \
  55     X("version", 0, VERSIONSW) \
  56     X("help", 0, HELPSW) \
  57     X("debug", -5, DEBUGSW) \
  58
  59 #define X(sw, minchars, id) id,
  60 DEFINE_SWITCH_ENUM(MHLIST);
  61 #undef X
  62
  63 #define X(sw, minchars, id) { sw, minchars, id },
  64 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  65 #undef X
  66
  67 /*
  68  * This is currently needed to keep mhparse happy.
  69  * This needs to be changed.
  70  */
  71 int debugsw = 0;
  72
  73 #define quitser pipeser
  74
  75 /*
  76  * static prototypes
  77  */
  78 static void pipeser (int);
  79
  80
  81 int
  82 main (int argc, char **argv)
  83 {
  84     bool sizesw = true;
  85     bool headsw = true;
  86     bool chgflag = true;
  87     bool verbosw = false;
  88     bool dispo = false;
  89     int msgnum, *icachesw;
  90     char *cp, *file = NULL, *folder = NULL;
  91     char *maildir, buf[100], **argp;
  92     char **arguments;
  93     struct msgs_array msgs = { 0, 0, NULL };
  94     struct msgs *mp = NULL;
  95     CT ct, *ctp;
  96
  97     if (nmh_init(argv[0], true, true)) { return 1; }
  98
  99     set_done(freects_done);
 100
 101     arguments = getarguments (invo_name, argc, argv, 1);
 102     argp = arguments;
 103
 104     /*
 105      * Parse arguments
 106      */
 107     while ((cp = *argp++)) {
 108         if (*cp == '-') {
 109             switch (smatch (++cp, switches)) {
 110             case AMBIGSW:
 111                 ambigsw (cp, switches);
 112                 done (1);
 113             case UNKWNSW:
 114                 die("-%s unknown", cp);
 115
 116             case HELPSW:
 117                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 118                         invo_name);
 119                 print_help (buf, switches, 1);
 120                 done (0);
 121             case VERSIONSW:
 122                 print_version(invo_name);
 123                 done (0);
 124
 125             case RCACHESW:
 126                 icachesw = &rcachesw;
 127                 goto do_cache;
 128             case WCACHESW:
 129                 icachesw = &wcachesw;
 130 do_cache:
 131                 if (!(cp = *argp++) || *cp == '-')
 132                     die("missing argument to %s", argp[-2]);
 133                 switch (*icachesw = smatch (cp, cache_policy)) {
 134                 case AMBIGSW:
 135                     ambigsw (cp, cache_policy);
 136                     done (1);
 137                 case UNKWNSW:
 138                     die("%s unknown", cp);
 139                 default:
 140                     break;
 141                 }
 142                 continue;
 143
 144             case CHECKSW:
 145                 checksw++;
 146                 continue;
 147             case NCHECKSW:
 148                 checksw = 0;
 149                 continue;
 150
 151             case HEADSW:
 152                 headsw = true;
 153                 continue;
 154             case NHEADSW:
 155                 headsw = false;
 156                 continue;
 157
 158             case SIZESW:
 159                 sizesw = true;
 160                 continue;
 161             case NSIZESW:
 162                 sizesw = false;
 163                 continue;
 164
 165             case PARTSW:
 166                 if (!(cp = *argp++) || *cp == '-')
 167                     die("missing argument to %s", argp[-2]);
 168                 if (npart >= NPARTS)
 169                     die("too many parts (starting with %s), %d max",
 170                            cp, NPARTS);
 171                 parts[npart++] = cp;
 172                 continue;
 173
 174             case TYPESW:
 175                 if (!(cp = *argp++) || *cp == '-')
 176                     die("missing argument to %s", argp[-2]);
 177                 if (ntype >= NTYPES)
 178                     die("too many types (starting with %s), %d max",
 179                            cp, NTYPES);
 180                 types[ntype++] = cp;
 181                 continue;
 182
 183             case PREFERSW:
 184                 if (!(cp = *argp++) || *cp == '-')
 185                     die("missing argument to %s", argp[-2]);
 186                 if (npreferred >= NPREFS)
 187                     die("too many preferred types (starting with %s), %d max",
 188                            cp, NPREFS);
 189                 mime_preference[npreferred].type = cp;
 190                 cp = strchr(cp, '/');
 191                 if (cp) *cp++ = '\0';
 192                 mime_preference[npreferred++].subtype = cp;
 193                 continue;
 194
 195             case NPREFERSW:
 196                 npreferred = 0;
 197                 continue;
 198
 199             case FILESW:
 200                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 201                     die("missing argument to %s", argp[-2]);
 202                 file = *cp == '-' ? cp : path (cp, TFILE);
 203                 continue;
 204
 205             case CHGSW:
 206                 chgflag = true;
 207                 continue;
 208             case NCHGSW:
 209                 chgflag = false;
 210                 continue;
 211
 212             case VERBSW:
 213                 verbosw = true;
 214                 continue;
 215             case NVERBSW:
 216                 verbosw = false;
 217                 continue;
 218             case DISPOSW:
 219                 dispo = true;
 220                 continue;
 221             case NDISPOSW:
 222                 dispo = false;
 223                 continue;
 224             case DEBUGSW:
 225                 debugsw = 1;
 226                 continue;
 227             }
 228         }
 229         if (*cp == '+' || *cp == '@') {
 230             if (folder)
 231                 die("only one folder at a time!");
 232             folder = pluspath (cp);
 233         } else
 234                 app_msgarg(&msgs, cp);
 235     }
 236
 237     /* null terminate the list of acceptable parts/types */
 238     parts[npart] = NULL;
 239     types[ntype] = NULL;
 240
 241     /* Check for public cache location */
 242     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 243         cache_public = NULL;
 244
 245     /* Check for private cache location */
 246     if (!(cache_private = context_find (nmhprivcache)))
 247         cache_private = ".cache";
 248     cache_private = mh_xstrdup(m_maildir(cache_private));
 249
 250     if (!context_find ("path"))
 251         free (path ("./", TFOLDER));
 252
 253     if (file && msgs.size)
 254         die("cannot specify msg and file at same time!");
 255
 256     /*
 257      * check if message is coming from file
 258      */
 259     if (file) {
 260         cts = mh_xcalloc(2, sizeof *cts);
 261         ctp = cts;
 262
 263         if ((ct = parse_mime (file)))
 264             *ctp++ = ct;
 265     } else {
 266         /*
 267          * message(s) are coming from a folder
 268          */
 269         if (!msgs.size)
 270             app_msgarg(&msgs, "cur");
 271         if (!folder)
 272             folder = getfolder (1);
 273         maildir = m_maildir (folder);
 274
 275         if (chdir (maildir) == NOTOK)
 276             adios (maildir, "unable to change directory to");
 277
 278         /* read folder and create message structure */
 279         if (!(mp = folder_read (folder, 0)))
 280             die("unable to read folder %s", folder);
 281
 282         /* check for empty folder */
 283         if (mp->nummsg == 0)
 284             die("no messages in %s", folder);
 285
 286         /* parse all the message ranges/sequences and set SELECTED */
 287         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 288             if (!m_convert (mp, msgs.msgs[msgnum]))
 289                 done (1);
 290         seq_setprev (mp);       /* set the previous-sequence */
 291
 292         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 293         ctp = cts;
 294
 295         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 296             if (is_selected(mp, msgnum)) {
 297                 char *msgnam;
 298
 299                 msgnam = m_name (msgnum);
 300                 if ((ct = parse_mime (msgnam)))
 301                     *ctp++ = ct;
 302             }
 303         }
 304     }
 305
 306     if (!*cts)
 307         done (1);
 308
 309     userrs = true;
 310     SIGNAL (SIGQUIT, quitser);
 311     SIGNAL (SIGPIPE, pipeser);
 312
 313     /*
 314      * Get the associated umask for the relevant contents.
 315      */
 316     for (ctp = cts; *ctp; ctp++) {
 317         struct stat st;
 318
 319         ct = *ctp;
 320         if (type_ok (ct, 1) && !ct->c_umask) {
 321             if (stat (ct->c_file, &st) != NOTOK)
 322                 ct->c_umask = ~(st.st_mode & 0777);
 323             else
 324                 ct->c_umask = ~m_gmprot();
 325         }
 326     }
 327
 328     /*
 329      * List the message content
 330      */
 331     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 332
 333     /* Now free all the structures for the content */
 334     for (ctp = cts; *ctp; ctp++)
 335         free_content (*ctp);
 336
 337     free(cts);
 338     cts = NULL;
 339
 340     /* If reading from a folder, do some updating */
 341     if (mp) {
 342         context_replace (pfolder, folder);/* update current folder  */
 343         if (chgflag)
 344             seq_setcur (mp, mp->hghsel);  /* update current message */
 345         seq_save (mp);                    /* synchronize sequences  */
 346         context_save ();                  /* save the context file  */
 347     }
 348
 349     done (0);
 350     return 1;
 351 }
 352
 353
 354 static void
 355 pipeser (int i)
 356 {
 357     if (i == SIGQUIT) {
 358         fflush (stdout);
 359         fprintf (stderr, "\n");
 360         fflush (stderr);
 361     }
 362
 363     done (1);
 364     /* NOTREACHED */
 365 }