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/seq_save.h"
  10 #include "sbr/smatch.h"
  11 #include "sbr/m_convert.h"
  12 #include "sbr/getfolder.h"
  13 #include "sbr/folder_read.h"
  14 #include "sbr/context_save.h"
  15 #include "sbr/context_replace.h"
  16 #include "sbr/context_find.h"
  17 #include "sbr/ambigsw.h"
  18 #include "sbr/path.h"
  19 #include "sbr/print_version.h"
  20 #include "sbr/print_help.h"
  21 #include "sbr/error.h"
  22 #include <fcntl.h>
  23 #include "h/signals.h"
  24 #include "h/md5.h"
  25 #include "h/mts.h"
  26 #include "h/tws.h"
  27 #include "h/mime.h"
  28 #include "h/mhparse.h"
  29 #include "h/mhcachesbr.h"
  30 #include "h/done.h"
  31 #include "h/utils.h"
  32 #include "mhmisc.h"
  33 #include "sbr/m_maildir.h"
  34 #include "mhfree.h"
  35
  36 #define MHLIST_SWITCHES \
  37     X("check", 0, CHECKSW) \
  38     X("nocheck", 0, NCHECKSW) \
  39     X("headers", 0, HEADSW) \
  40     X("noheaders", 0, NHEADSW) \
  41     X("realsize", 0, SIZESW) \
  42     X("norealsize", 0, NSIZESW) \
  43     X("verbose", 0, VERBSW) \
  44     X("noverbose", 0, NVERBSW) \
  45     X("disposition", 0, DISPOSW) \
  46     X("nodisposition", 0, NDISPOSW) \
  47     X("file file", 0, FILESW) \
  48     X("part number", 0, PARTSW) \
  49     X("type content", 0, TYPESW) \
  50     X("prefer content", 0, PREFERSW) \
  51     X("noprefer", 0, NPREFERSW) \
  52     X("rcache policy", 0, RCACHESW) \
  53     X("wcache policy", 0, WCACHESW) \
  54     X("changecur", 0, CHGSW) \
  55     X("nochangecur", 0, NCHGSW) \
  56     X("version", 0, VERSIONSW) \
  57     X("help", 0, HELPSW) \
  58     X("debug", -5, DEBUGSW) \
  59
  60 #define X(sw, minchars, id) id,
  61 DEFINE_SWITCH_ENUM(MHLIST);
  62 #undef X
  63
  64 #define X(sw, minchars, id) { sw, minchars, id },
  65 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  66 #undef X
  67
  68 /*
  69  * This is currently needed to keep mhparse happy.
  70  * This needs to be changed.
  71  */
  72 int debugsw = 0;
  73
  74 #define quitser pipeser
  75
  76 /*
  77  * static prototypes
  78  */
  79 static void pipeser (int);
  80
  81
  82 int
  83 main (int argc, char **argv)
  84 {
  85     bool sizesw = true;
  86     bool headsw = true;
  87     bool chgflag = true;
  88     bool verbosw = false;
  89     bool dispo = false;
  90     int msgnum, *icachesw;
  91     char *cp, *file = NULL, *folder = NULL;
  92     char *maildir, buf[100], **argp;
  93     char **arguments;
  94     struct msgs_array msgs = { 0, 0, NULL };
  95     struct msgs *mp = NULL;
  96     CT ct, *ctp;
  97
  98     if (nmh_init(argv[0], true, true)) { return 1; }
  99
 100     set_done(freects_done);
 101
 102     arguments = getarguments (invo_name, argc, argv, 1);
 103     argp = arguments;
 104
 105     /*
 106      * Parse arguments
 107      */
 108     while ((cp = *argp++)) {
 109         if (*cp == '-') {
 110             switch (smatch (++cp, switches)) {
 111             case AMBIGSW:
 112                 ambigsw (cp, switches);
 113                 done (1);
 114             case UNKWNSW:
 115                 die("-%s unknown", cp);
 116
 117             case HELPSW:
 118                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 119                         invo_name);
 120                 print_help (buf, switches, 1);
 121                 done (0);
 122             case VERSIONSW:
 123                 print_version(invo_name);
 124                 done (0);
 125
 126             case RCACHESW:
 127                 icachesw = &rcachesw;
 128                 goto do_cache;
 129             case WCACHESW:
 130                 icachesw = &wcachesw;
 131 do_cache:
 132                 if (!(cp = *argp++) || *cp == '-')
 133                     die("missing argument to %s", argp[-2]);
 134                 switch (*icachesw = smatch (cp, cache_policy)) {
 135                 case AMBIGSW:
 136                     ambigsw (cp, cache_policy);
 137                     done (1);
 138                 case UNKWNSW:
 139                     die("%s unknown", cp);
 140                 default:
 141                     break;
 142                 }
 143                 continue;
 144
 145             case CHECKSW:
 146                 checksw++;
 147                 continue;
 148             case NCHECKSW:
 149                 checksw = 0;
 150                 continue;
 151
 152             case HEADSW:
 153                 headsw = true;
 154                 continue;
 155             case NHEADSW:
 156                 headsw = false;
 157                 continue;
 158
 159             case SIZESW:
 160                 sizesw = true;
 161                 continue;
 162             case NSIZESW:
 163                 sizesw = false;
 164                 continue;
 165
 166             case PARTSW:
 167                 if (!(cp = *argp++) || *cp == '-')
 168                     die("missing argument to %s", argp[-2]);
 169                 if (npart >= NPARTS)
 170                     die("too many parts (starting with %s), %d max",
 171                            cp, NPARTS);
 172                 parts[npart++] = cp;
 173                 continue;
 174
 175             case TYPESW:
 176                 if (!(cp = *argp++) || *cp == '-')
 177                     die("missing argument to %s", argp[-2]);
 178                 if (ntype >= NTYPES)
 179                     die("too many types (starting with %s), %d max",
 180                            cp, NTYPES);
 181                 types[ntype++] = cp;
 182                 continue;
 183
 184             case PREFERSW:
 185                 if (!(cp = *argp++) || *cp == '-')
 186                     die("missing argument to %s", argp[-2]);
 187                 if (npreferred >= NPREFS)
 188                     die("too many preferred types (starting with %s), %d max",
 189                            cp, NPREFS);
 190                 mime_preference[npreferred].type = cp;
 191                 cp = strchr(cp, '/');
 192                 if (cp) *cp++ = '\0';
 193                 mime_preference[npreferred++].subtype = cp;
 194                 continue;
 195
 196             case NPREFERSW:
 197                 npreferred = 0;
 198                 continue;
 199
 200             case FILESW:
 201                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 202                     die("missing argument to %s", argp[-2]);
 203                 file = *cp == '-' ? cp : path (cp, TFILE);
 204                 continue;
 205
 206             case CHGSW:
 207                 chgflag = true;
 208                 continue;
 209             case NCHGSW:
 210                 chgflag = false;
 211                 continue;
 212
 213             case VERBSW:
 214                 verbosw = true;
 215                 continue;
 216             case NVERBSW:
 217                 verbosw = false;
 218                 continue;
 219             case DISPOSW:
 220                 dispo = true;
 221                 continue;
 222             case NDISPOSW:
 223                 dispo = false;
 224                 continue;
 225             case DEBUGSW:
 226                 debugsw = 1;
 227                 continue;
 228             }
 229         }
 230         if (*cp == '+' || *cp == '@') {
 231             if (folder)
 232                 die("only one folder at a time!");
 233             folder = pluspath (cp);
 234         } else
 235                 app_msgarg(&msgs, cp);
 236     }
 237
 238     /* null terminate the list of acceptable parts/types */
 239     parts[npart] = NULL;
 240     types[ntype] = NULL;
 241
 242     /* Check for public cache location */
 243     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 244         cache_public = NULL;
 245
 246     /* Check for private cache location */
 247     if (!(cache_private = context_find (nmhprivcache)))
 248         cache_private = ".cache";
 249     cache_private = mh_xstrdup(m_maildir(cache_private));
 250
 251     if (!context_find ("path"))
 252         free (path ("./", TFOLDER));
 253
 254     if (file && msgs.size)
 255         die("cannot specify msg and file at same time!");
 256
 257     /*
 258      * check if message is coming from file
 259      */
 260     if (file) {
 261         cts = mh_xcalloc(2, sizeof *cts);
 262         ctp = cts;
 263
 264         if ((ct = parse_mime (file)))
 265             *ctp++ = ct;
 266     } else {
 267         /*
 268          * message(s) are coming from a folder
 269          */
 270         if (!msgs.size)
 271             app_msgarg(&msgs, "cur");
 272         if (!folder)
 273             folder = getfolder (1);
 274         maildir = m_maildir (folder);
 275
 276         if (chdir (maildir) == NOTOK)
 277             adios (maildir, "unable to change directory to");
 278
 279         /* read folder and create message structure */
 280         if (!(mp = folder_read (folder, 0)))
 281             die("unable to read folder %s", folder);
 282
 283         /* check for empty folder */
 284         if (mp->nummsg == 0)
 285             die("no messages in %s", folder);
 286
 287         /* parse all the message ranges/sequences and set SELECTED */
 288         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 289             if (!m_convert (mp, msgs.msgs[msgnum]))
 290                 done (1);
 291         seq_setprev (mp);       /* set the previous-sequence */
 292
 293         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 294         ctp = cts;
 295
 296         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 297             if (is_selected(mp, msgnum)) {
 298                 char *msgnam;
 299
 300                 msgnam = m_name (msgnum);
 301                 if ((ct = parse_mime (msgnam)))
 302                     *ctp++ = ct;
 303             }
 304         }
 305     }
 306
 307     if (!*cts)
 308         done (1);
 309
 310     userrs = true;
 311     SIGNAL (SIGQUIT, quitser);
 312     SIGNAL (SIGPIPE, pipeser);
 313
 314     /*
 315      * Get the associated umask for the relevant contents.
 316      */
 317     for (ctp = cts; *ctp; ctp++) {
 318         struct stat st;
 319
 320         ct = *ctp;
 321         if (type_ok (ct, 1) && !ct->c_umask) {
 322             if (stat (ct->c_file, &st) != NOTOK)
 323                 ct->c_umask = ~(st.st_mode & 0777);
 324             else
 325                 ct->c_umask = ~m_gmprot();
 326         }
 327     }
 328
 329     /*
 330      * List the message content
 331      */
 332     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 333
 334     /* Now free all the structures for the content */
 335     for (ctp = cts; *ctp; ctp++)
 336         free_content (*ctp);
 337
 338     free(cts);
 339     cts = NULL;
 340
 341     /* If reading from a folder, do some updating */
 342     if (mp) {
 343         context_replace (pfolder, folder);/* update current folder  */
 344         if (chgflag)
 345             seq_setcur (mp, mp->hghsel);  /* update current message */
 346         seq_save (mp);                    /* synchronize sequences  */
 347         context_save ();                  /* save the context file  */
 348     }
 349
 350     done (0);
 351     return 1;
 352 }
 353
 354
 355 static void
 356 pipeser (int i)
 357 {
 358     if (i == SIGQUIT) {
 359         fflush (stdout);
 360         fprintf (stderr, "\n");
 361         fflush (stderr);
 362     }
 363
 364     done (1);
 365     /* NOTREACHED */
 366 }