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