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/md5.h"
  30 #include "h/mts.h"
  31 #include "h/tws.h"
  32 #include "h/mime.h"
  33 #include "h/mhparse.h"
  34 #include "h/mhcachesbr.h"
  35 #include "h/done.h"
  36 #include "h/utils.h"
  37 #include "mhmisc.h"
  38 #include "sbr/m_maildir.h"
  39 #include "mhfree.h"
  40
  41 #define MHLIST_SWITCHES \
  42     X("check", 0, CHECKSW) \
  43     X("nocheck", 0, NCHECKSW) \
  44     X("headers", 0, HEADSW) \
  45     X("noheaders", 0, NHEADSW) \
  46     X("realsize", 0, SIZESW) \
  47     X("norealsize", 0, NSIZESW) \
  48     X("verbose", 0, VERBSW) \
  49     X("noverbose", 0, NVERBSW) \
  50     X("disposition", 0, DISPOSW) \
  51     X("nodisposition", 0, NDISPOSW) \
  52     X("file file", 0, FILESW) \
  53     X("part number", 0, PARTSW) \
  54     X("type content", 0, TYPESW) \
  55     X("prefer content", 0, PREFERSW) \
  56     X("noprefer", 0, NPREFERSW) \
  57     X("rcache policy", 0, RCACHESW) \
  58     X("wcache policy", 0, WCACHESW) \
  59     X("changecur", 0, CHGSW) \
  60     X("nochangecur", 0, NCHGSW) \
  61     X("version", 0, VERSIONSW) \
  62     X("help", 0, HELPSW) \
  63     X("debug", -5, DEBUGSW) \
  64
  65 #define X(sw, minchars, id) id,
  66 DEFINE_SWITCH_ENUM(MHLIST);
  67 #undef X
  68
  69 #define X(sw, minchars, id) { sw, minchars, id },
  70 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  71 #undef X
  72
  73 /*
  74  * This is currently needed to keep mhparse happy.
  75  * This needs to be changed.
  76  */
  77 int debugsw = 0;
  78
  79 #define quitser pipeser
  80
  81 /*
  82  * static prototypes
  83  */
  84 static void pipeser (int);
  85
  86
  87 int
  88 main (int argc, char **argv)
  89 {
  90     bool sizesw = true;
  91     bool headsw = true;
  92     bool chgflag = true;
  93     bool verbosw = false;
  94     bool dispo = false;
  95     int msgnum, *icachesw;
  96     char *cp, *file = NULL, *folder = NULL;
  97     char *maildir, buf[100], **argp;
  98     char **arguments;
  99     struct msgs_array msgs = { 0, 0, NULL };
 100     struct msgs *mp = NULL;
 101     CT ct, *ctp;
 102
 103     if (nmh_init(argv[0], true, true)) { return 1; }
 104
 105     set_done(freects_done);
 106
 107     arguments = getarguments (invo_name, argc, argv, 1);
 108     argp = arguments;
 109
 110     /*
 111      * Parse arguments
 112      */
 113     while ((cp = *argp++)) {
 114         if (*cp == '-') {
 115             switch (smatch (++cp, switches)) {
 116             case AMBIGSW:
 117                 ambigsw (cp, switches);
 118                 done (1);
 119             case UNKWNSW:
 120                 die("-%s unknown", cp);
 121
 122             case HELPSW:
 123                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 124                         invo_name);
 125                 print_help (buf, switches, 1);
 126                 done (0);
 127             case VERSIONSW:
 128                 print_version(invo_name);
 129                 done (0);
 130
 131             case RCACHESW:
 132                 icachesw = &rcachesw;
 133                 goto do_cache;
 134             case WCACHESW:
 135                 icachesw = &wcachesw;
 136 do_cache:
 137                 if (!(cp = *argp++) || *cp == '-')
 138                     die("missing argument to %s", argp[-2]);
 139                 switch (*icachesw = smatch (cp, cache_policy)) {
 140                 case AMBIGSW:
 141                     ambigsw (cp, cache_policy);
 142                     done (1);
 143                 case UNKWNSW:
 144                     die("%s unknown", cp);
 145                 default:
 146                     break;
 147                 }
 148                 continue;
 149
 150             case CHECKSW:
 151                 checksw++;
 152                 continue;
 153             case NCHECKSW:
 154                 checksw = 0;
 155                 continue;
 156
 157             case HEADSW:
 158                 headsw = true;
 159                 continue;
 160             case NHEADSW:
 161                 headsw = false;
 162                 continue;
 163
 164             case SIZESW:
 165                 sizesw = true;
 166                 continue;
 167             case NSIZESW:
 168                 sizesw = false;
 169                 continue;
 170
 171             case PARTSW:
 172                 if (!(cp = *argp++) || *cp == '-')
 173                     die("missing argument to %s", argp[-2]);
 174                 if (npart >= NPARTS)
 175                     die("too many parts (starting with %s), %d max",
 176                            cp, NPARTS);
 177                 parts[npart++] = cp;
 178                 continue;
 179
 180             case TYPESW:
 181                 if (!(cp = *argp++) || *cp == '-')
 182                     die("missing argument to %s", argp[-2]);
 183                 if (ntype >= NTYPES)
 184                     die("too many types (starting with %s), %d max",
 185                            cp, NTYPES);
 186                 types[ntype++] = cp;
 187                 continue;
 188
 189             case PREFERSW:
 190                 if (!(cp = *argp++) || *cp == '-')
 191                     die("missing argument to %s", argp[-2]);
 192                 if (npreferred >= NPREFS)
 193                     die("too many preferred types (starting with %s), %d max",
 194                            cp, NPREFS);
 195                 mime_preference[npreferred].type = cp;
 196                 cp = strchr(cp, '/');
 197                 if (cp) *cp++ = '\0';
 198                 mime_preference[npreferred++].subtype = cp;
 199                 continue;
 200
 201             case NPREFERSW:
 202                 npreferred = 0;
 203                 continue;
 204
 205             case FILESW:
 206                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 207                     die("missing argument to %s", argp[-2]);
 208                 file = *cp == '-' ? cp : path (cp, TFILE);
 209                 continue;
 210
 211             case CHGSW:
 212                 chgflag = true;
 213                 continue;
 214             case NCHGSW:
 215                 chgflag = false;
 216                 continue;
 217
 218             case VERBSW:
 219                 verbosw = true;
 220                 continue;
 221             case NVERBSW:
 222                 verbosw = false;
 223                 continue;
 224             case DISPOSW:
 225                 dispo = true;
 226                 continue;
 227             case NDISPOSW:
 228                 dispo = false;
 229                 continue;
 230             case DEBUGSW:
 231                 debugsw = 1;
 232                 continue;
 233             }
 234         }
 235         if (*cp == '+' || *cp == '@') {
 236             if (folder)
 237                 die("only one folder at a time!");
 238             folder = pluspath (cp);
 239         } else
 240                 app_msgarg(&msgs, cp);
 241     }
 242
 243     /* null terminate the list of acceptable parts/types */
 244     parts[npart] = NULL;
 245     types[ntype] = NULL;
 246
 247     /* Check for public cache location */
 248     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 249         cache_public = NULL;
 250
 251     /* Check for private cache location */
 252     if (!(cache_private = context_find (nmhprivcache)))
 253         cache_private = ".cache";
 254     cache_private = mh_xstrdup(m_maildir(cache_private));
 255
 256     if (!context_find ("path"))
 257         free (path ("./", TFOLDER));
 258
 259     if (file && msgs.size)
 260         die("cannot specify msg and file at same time!");
 261
 262     /*
 263      * check if message is coming from file
 264      */
 265     if (file) {
 266         cts = mh_xcalloc(2, sizeof *cts);
 267         ctp = cts;
 268
 269         if ((ct = parse_mime (file)))
 270             *ctp++ = ct;
 271     } else {
 272         /*
 273          * message(s) are coming from a folder
 274          */
 275         if (!msgs.size)
 276             app_msgarg(&msgs, "cur");
 277         if (!folder)
 278             folder = getfolder (1);
 279         maildir = m_maildir (folder);
 280
 281         if (chdir (maildir) == NOTOK)
 282             adios (maildir, "unable to change directory to");
 283
 284         /* read folder and create message structure */
 285         if (!(mp = folder_read (folder, 0)))
 286             die("unable to read folder %s", folder);
 287
 288         /* check for empty folder */
 289         if (mp->nummsg == 0)
 290             die("no messages in %s", folder);
 291
 292         /* parse all the message ranges/sequences and set SELECTED */
 293         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 294             if (!m_convert (mp, msgs.msgs[msgnum]))
 295                 done (1);
 296         seq_setprev (mp);       /* set the previous-sequence */
 297
 298         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 299         ctp = cts;
 300
 301         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 302             if (is_selected(mp, msgnum)) {
 303                 char *msgnam;
 304
 305                 msgnam = m_name (msgnum);
 306                 if ((ct = parse_mime (msgnam)))
 307                     *ctp++ = ct;
 308             }
 309         }
 310     }
 311
 312     if (!*cts)
 313         done (1);
 314
 315     userrs = true;
 316     SIGNAL (SIGQUIT, quitser);
 317     SIGNAL (SIGPIPE, pipeser);
 318
 319     /*
 320      * Get the associated umask for the relevant contents.
 321      */
 322     for (ctp = cts; *ctp; ctp++) {
 323         struct stat st;
 324
 325         ct = *ctp;
 326         if (type_ok (ct, 1) && !ct->c_umask) {
 327             if (stat (ct->c_file, &st) != NOTOK)
 328                 ct->c_umask = ~(st.st_mode & 0777);
 329             else
 330                 ct->c_umask = ~m_gmprot();
 331         }
 332     }
 333
 334     /*
 335      * List the message content
 336      */
 337     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 338
 339     /* Now free all the structures for the content */
 340     for (ctp = cts; *ctp; ctp++)
 341         free_content (*ctp);
 342
 343     free(cts);
 344     cts = NULL;
 345
 346     /* If reading from a folder, do some updating */
 347     if (mp) {
 348         context_replace (pfolder, folder);/* update current folder  */
 349         if (chgflag)
 350             seq_setcur (mp, mp->hghsel);  /* update current message */
 351         seq_save (mp);                    /* synchronize sequences  */
 352         context_save ();                  /* save the context file  */
 353     }
 354
 355     done (0);
 356     return 1;
 357 }
 358
 359
 360 static void
 361 pipeser (int i)
 362 {
 363     if (i == SIGQUIT) {
 364         fflush (stdout);
 365         fprintf (stderr, "\n");
 366         fflush (stderr);
 367     }
 368
 369     done (1);
 370     /* NOTREACHED */
 371 }