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/m_name.h"
  10 #include "sbr/m_gmprot.h"
  11 #include "sbr/getarguments.h"
  12 #include "sbr/seq_setprev.h"
  13 #include "sbr/seq_setcur.h"
  14 #include "sbr/seq_save.h"
  15 #include "sbr/smatch.h"
  16 #include "sbr/m_convert.h"
  17 #include "sbr/getfolder.h"
  18 #include "sbr/folder_read.h"
  19 #include "sbr/context_save.h"
  20 #include "sbr/context_replace.h"
  21 #include "sbr/context_find.h"
  22 #include "sbr/ambigsw.h"
  23 #include "sbr/path.h"
  24 #include "sbr/print_version.h"
  25 #include "sbr/print_help.h"
  26 #include "sbr/error.h"
  27 #include <fcntl.h>
  28 #include "h/signals.h"
  29 #include "h/mts.h"
  30 #include "h/tws.h"
  31 #include "h/mime.h"
  32 #include "h/mhparse.h"
  33 #include "h/mhcachesbr.h"
  34 #include "h/done.h"
  35 #include "h/utils.h"
  36 #include "mhmisc.h"
  37 #include "sbr/m_maildir.h"
  38 #include "mhfree.h"
  39
  40 #define MHLIST_SWITCHES \
  41     X("check", -5, CHECKSW) \
  42     X("nocheck", -7, NCHECKSW) \
  43     X("headers", 0, HEADSW) \
  44     X("noheaders", 0, NHEADSW) \
  45     X("realsize", 0, SIZESW) \
  46     X("norealsize", 0, NSIZESW) \
  47     X("verbose", 0, VERBSW) \
  48     X("noverbose", 0, NVERBSW) \
  49     X("disposition", 0, DISPOSW) \
  50     X("nodisposition", 0, NDISPOSW) \
  51     X("file file", 0, FILESW) \
  52     X("part number", 0, PARTSW) \
  53     X("type content", 0, TYPESW) \
  54     X("prefer content", 0, PREFERSW) \
  55     X("noprefer", 0, NPREFERSW) \
  56     X("rcache policy", 0, RCACHESW) \
  57     X("wcache policy", 0, WCACHESW) \
  58     X("changecur", 0, CHGSW) \
  59     X("nochangecur", 0, NCHGSW) \
  60     X("version", 0, VERSIONSW) \
  61     X("help", 0, HELPSW) \
  62     X("debug", -5, DEBUGSW) \
  63
  64 #define X(sw, minchars, id) id,
  65 DEFINE_SWITCH_ENUM(MHLIST);
  66 #undef X
  67
  68 #define X(sw, minchars, id) { sw, minchars, id },
  69 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  70 #undef X
  71
  72 /*
  73  * This is currently needed to keep mhparse happy.
  74  * This needs to be changed.
  75  */
  76 int debugsw = 0;
  77
  78 #define quitser pipeser
  79
  80 /*
  81  * static prototypes
  82  */
  83 static void pipeser (int);
  84
  85
  86 int
  87 main (int argc, char **argv)
  88 {
  89     bool sizesw = true;
  90     bool headsw = true;
  91     bool chgflag = true;
  92     bool verbosw = false;
  93     bool dispo = false;
  94     int msgnum, *icachesw;
  95     char *cp, *file = NULL, *folder = NULL;
  96     char *maildir, buf[100], **argp;
  97     char **arguments;
  98     struct msgs_array msgs = { 0, 0, NULL };
  99     struct msgs *mp = NULL;
 100     CT ct, *ctp;
 101
 102     if (nmh_init(argv[0], true, true)) { return 1; }
 103
 104     set_done(freects_done);
 105
 106     arguments = getarguments (invo_name, argc, argv, 1);
 107     argp = arguments;
 108
 109     /*
 110      * Parse arguments
 111      */
 112     while ((cp = *argp++)) {
 113         if (*cp == '-') {
 114             switch (smatch (++cp, switches)) {
 115             case AMBIGSW:
 116                 ambigsw (cp, switches);
 117                 done (1);
 118             case UNKWNSW:
 119                 die("-%s unknown", cp);
 120
 121             case HELPSW:
 122                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 123                         invo_name);
 124                 print_help (buf, switches, 1);
 125                 done (0);
 126             case VERSIONSW:
 127                 print_version(invo_name);
 128                 done (0);
 129
 130             case RCACHESW:
 131                 icachesw = &rcachesw;
 132                 goto do_cache;
 133             case WCACHESW:
 134                 icachesw = &wcachesw;
 135 do_cache:
 136                 if (!(cp = *argp++) || *cp == '-')
 137                     die("missing argument to %s", argp[-2]);
 138                 switch (*icachesw = smatch (cp, cache_policy)) {
 139                 case AMBIGSW:
 140                     ambigsw (cp, cache_policy);
 141                     done (1);
 142                 case UNKWNSW:
 143                     die("%s unknown", cp);
 144                 default:
 145                     break;
 146                 }
 147                 continue;
 148
 149             case CHECKSW:
 150             case NCHECKSW:
 151                 /* Currently a NOP */
 152                 continue;
 153
 154             case HEADSW:
 155                 headsw = true;
 156                 continue;
 157             case NHEADSW:
 158                 headsw = false;
 159                 continue;
 160
 161             case SIZESW:
 162                 sizesw = true;
 163                 continue;
 164             case NSIZESW:
 165                 sizesw = false;
 166                 continue;
 167
 168             case PARTSW:
 169                 if (!(cp = *argp++) || *cp == '-')
 170                     die("missing argument to %s", argp[-2]);
 171                 if (npart >= NPARTS)
 172                     die("too many parts (starting with %s), %d max",
 173                            cp, NPARTS);
 174                 parts[npart++] = cp;
 175                 continue;
 176
 177             case TYPESW:
 178                 if (!(cp = *argp++) || *cp == '-')
 179                     die("missing argument to %s", argp[-2]);
 180                 if (ntype >= NTYPES)
 181                     die("too many types (starting with %s), %d max",
 182                            cp, NTYPES);
 183                 types[ntype++] = cp;
 184                 continue;
 185
 186             case PREFERSW:
 187                 if (!(cp = *argp++) || *cp == '-')
 188                     die("missing argument to %s", argp[-2]);
 189                 if (npreferred >= NPREFS)
 190                     die("too many preferred types (starting with %s), %d max",
 191                            cp, NPREFS);
 192                 mime_preference[npreferred].type = cp;
 193                 cp = strchr(cp, '/');
 194                 if (cp) *cp++ = '\0';
 195                 mime_preference[npreferred++].subtype = cp;
 196                 continue;
 197
 198             case NPREFERSW:
 199                 npreferred = 0;
 200                 continue;
 201
 202             case FILESW:
 203                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 204                     die("missing argument to %s", argp[-2]);
 205                 file = *cp == '-' ? cp : path (cp, TFILE);
 206                 continue;
 207
 208             case CHGSW:
 209                 chgflag = true;
 210                 continue;
 211             case NCHGSW:
 212                 chgflag = false;
 213                 continue;
 214
 215             case VERBSW:
 216                 verbosw = true;
 217                 continue;
 218             case NVERBSW:
 219                 verbosw = false;
 220                 continue;
 221             case DISPOSW:
 222                 dispo = true;
 223                 continue;
 224             case NDISPOSW:
 225                 dispo = false;
 226                 continue;
 227             case DEBUGSW:
 228                 debugsw = 1;
 229                 continue;
 230             }
 231         }
 232         if (*cp == '+' || *cp == '@') {
 233             if (folder)
 234                 die("only one folder at a time!");
 235             folder = pluspath (cp);
 236         } else
 237                 app_msgarg(&msgs, cp);
 238     }
 239
 240     /* null terminate the list of acceptable parts/types */
 241     parts[npart] = NULL;
 242     types[ntype] = NULL;
 243
 244     /* Check for public cache location */
 245     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 246         cache_public = NULL;
 247
 248     /* Check for private cache location */
 249     if (!(cache_private = context_find (nmhprivcache)))
 250         cache_private = ".cache";
 251     cache_private = mh_xstrdup(m_maildir(cache_private));
 252
 253     if (!context_find ("path"))
 254         free (path ("./", TFOLDER));
 255
 256     if (file && msgs.size)
 257         die("cannot specify msg and file at same time!");
 258
 259     /*
 260      * check if message is coming from file
 261      */
 262     if (file) {
 263         cts = mh_xcalloc(2, sizeof *cts);
 264         ctp = cts;
 265
 266         if ((ct = parse_mime (file)))
 267             *ctp++ = ct;
 268     } else {
 269         /*
 270          * message(s) are coming from a folder
 271          */
 272         if (!msgs.size)
 273             app_msgarg(&msgs, "cur");
 274         if (!folder)
 275             folder = getfolder (1);
 276         maildir = m_maildir (folder);
 277
 278         if (chdir (maildir) == NOTOK)
 279             adios (maildir, "unable to change directory to");
 280
 281         /* read folder and create message structure */
 282         if (!(mp = folder_read (folder, 0)))
 283             die("unable to read folder %s", folder);
 284
 285         /* check for empty folder */
 286         if (mp->nummsg == 0)
 287             die("no messages in %s", folder);
 288
 289         /* parse all the message ranges/sequences and set SELECTED */
 290         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 291             if (!m_convert (mp, msgs.msgs[msgnum]))
 292                 done (1);
 293         seq_setprev (mp);       /* set the previous-sequence */
 294
 295         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 296         ctp = cts;
 297
 298         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 299             if (is_selected(mp, msgnum)) {
 300                 char *msgnam;
 301
 302                 msgnam = m_name (msgnum);
 303                 if ((ct = parse_mime (msgnam)))
 304                     *ctp++ = ct;
 305             }
 306         }
 307     }
 308
 309     if (!*cts)
 310         done (1);
 311
 312     userrs = true;
 313     SIGNAL (SIGQUIT, quitser);
 314     SIGNAL (SIGPIPE, pipeser);
 315
 316     /*
 317      * Get the associated umask for the relevant contents.
 318      */
 319     for (ctp = cts; *ctp; ctp++) {
 320         struct stat st;
 321
 322         ct = *ctp;
 323         if (type_ok (ct, 1) && !ct->c_umask) {
 324             if (stat (ct->c_file, &st) != NOTOK)
 325                 ct->c_umask = ~(st.st_mode & 0777);
 326             else
 327                 ct->c_umask = ~m_gmprot();
 328         }
 329     }
 330
 331     /*
 332      * List the message content
 333      */
 334     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 335
 336     /* Now free all the structures for the content */
 337     for (ctp = cts; *ctp; ctp++)
 338         free_content (*ctp);
 339
 340     free(cts);
 341     cts = NULL;
 342
 343     /* If reading from a folder, do some updating */
 344     if (mp) {
 345         context_replace (pfolder, folder);/* update current folder  */
 346         if (chgflag)
 347             seq_setcur (mp, mp->hghsel);  /* update current message */
 348         seq_save (mp);                    /* synchronize sequences  */
 349         context_save ();                  /* save the context file  */
 350     }
 351
 352     done (0);
 353     return 1;
 354 }
 355
 356
 357 static void
 358 pipeser (int i)
 359 {
 360     if (i == SIGQUIT) {
 361         fflush (stdout);
 362         fprintf (stderr, "\n");
 363         fflush (stderr);
 364     }
 365
 366     done (1);
 367     /* NOTREACHED */
 368 }