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