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