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