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