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