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