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