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