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 <fcntl.h>
  10 #include <h/signals.h>
  11 #include <h/md5.h>
  12 #include <h/mts.h>
  13 #include <h/tws.h>
  14 #include <h/mime.h>
  15 #include <h/mhparse.h>
  16 #include <h/mhcachesbr.h>
  17 #include <h/utils.h>
  18 #include "../sbr/m_maildir.h"
  19 #include "mhfree.h"
  20
  21 #define MHLIST_SWITCHES \
  22     X("check", 0, CHECKSW) \
  23     X("nocheck", 0, NCHECKSW) \
  24     X("headers", 0, HEADSW) \
  25     X("noheaders", 0, NHEADSW) \
  26     X("realsize", 0, SIZESW) \
  27     X("norealsize", 0, NSIZESW) \
  28     X("verbose", 0, VERBSW) \
  29     X("noverbose", 0, NVERBSW) \
  30     X("disposition", 0, DISPOSW) \
  31     X("nodisposition", 0, NDISPOSW) \
  32     X("file file", 0, FILESW) \
  33     X("part number", 0, PARTSW) \
  34     X("type content", 0, TYPESW) \
  35     X("prefer content", 0, PREFERSW) \
  36     X("rcache policy", 0, RCACHESW) \
  37     X("wcache policy", 0, WCACHESW) \
  38     X("changecur", 0, CHGSW) \
  39     X("nochangecur", 0, NCHGSW) \
  40     X("version", 0, VERSIONSW) \
  41     X("help", 0, HELPSW) \
  42     X("debug", -5, DEBUGSW) \
  43
  44 #define X(sw, minchars, id) id,
  45 DEFINE_SWITCH_ENUM(MHLIST);
  46 #undef X
  47
  48 #define X(sw, minchars, id) { sw, minchars, id },
  49 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  50 #undef X
  51
  52
  53 /* mhmisc.c */
  54 extern int npart;
  55 extern int ntype;
  56 extern char *parts[NPARTS + 1];
  57 extern char *types[NTYPES + 1];
  58 extern int userrs;
  59
  60 /* mhparse.c */
  61 extern char *preferred_types[];
  62 extern  char *preferred_subtypes[];
  63 extern int npreferred;
  64
  65 /*
  66  * This is currently needed to keep mhparse happy.
  67  * This needs to be changed.
  68  */
  69 int debugsw = 0;
  70
  71 #define quitser pipeser
  72
  73 /* mhparse.c */
  74 CT parse_mime (char *);
  75
  76 /* mhmisc.c */
  77 int part_ok (CT);
  78 int type_ok (CT, int);
  79 void flush_errors (void);
  80
  81 /*
  82  * static prototypes
  83  */
  84 static void pipeser (int);
  85
  86
  87 int
  88 main (int argc, char **argv)
  89 {
  90     int sizesw = 1, headsw = 1, chgflag = 1, verbosw = 0, dispo = 0;
  91     int msgnum, *icachesw;
  92     char *cp, *file = NULL, *folder = NULL;
  93     char *maildir, buf[100], **argp;
  94     char **arguments;
  95     struct msgs_array msgs = { 0, 0, NULL };
  96     struct msgs *mp = NULL;
  97     CT ct, *ctp;
  98
  99     if (nmh_init(argv[0], 1)) { return 1; }
 100
 101     done=freects_done;
 102
 103     arguments = getarguments (invo_name, argc, argv, 1);
 104     argp = arguments;
 105
 106     /*
 107      * Parse arguments
 108      */
 109     while ((cp = *argp++)) {
 110         if (*cp == '-') {
 111             switch (smatch (++cp, switches)) {
 112             case AMBIGSW:
 113                 ambigsw (cp, switches);
 114                 done (1);
 115             case UNKWNSW:
 116                 adios (NULL, "-%s unknown", cp);
 117
 118             case HELPSW:
 119                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 120                         invo_name);
 121                 print_help (buf, switches, 1);
 122                 done (0);
 123             case VERSIONSW:
 124                 print_version(invo_name);
 125                 done (0);
 126
 127             case RCACHESW:
 128                 icachesw = &rcachesw;
 129                 goto do_cache;
 130             case WCACHESW:
 131                 icachesw = &wcachesw;
 132 do_cache:
 133                 if (!(cp = *argp++) || *cp == '-')
 134                     adios (NULL, "missing argument to %s", argp[-2]);
 135                 switch (*icachesw = smatch (cp, cache_policy)) {
 136                 case AMBIGSW:
 137                     ambigsw (cp, cache_policy);
 138                     done (1);
 139                 case UNKWNSW:
 140                     adios (NULL, "%s unknown", cp);
 141                 default:
 142                     break;
 143                 }
 144                 continue;
 145
 146             case CHECKSW:
 147                 checksw++;
 148                 continue;
 149             case NCHECKSW:
 150                 checksw = 0;
 151                 continue;
 152
 153             case HEADSW:
 154                 headsw = 1;
 155                 continue;
 156             case NHEADSW:
 157                 headsw = 0;
 158                 continue;
 159
 160             case SIZESW:
 161                 sizesw = 1;
 162                 continue;
 163             case NSIZESW:
 164                 sizesw = 0;
 165                 continue;
 166
 167             case PARTSW:
 168                 if (!(cp = *argp++) || *cp == '-')
 169                     adios (NULL, "missing argument to %s", argp[-2]);
 170                 if (npart >= NPARTS)
 171                     adios (NULL, "too many parts (starting with %s), %d max",
 172                            cp, NPARTS);
 173                 parts[npart++] = cp;
 174                 continue;
 175
 176             case TYPESW:
 177                 if (!(cp = *argp++) || *cp == '-')
 178                     adios (NULL, "missing argument to %s", argp[-2]);
 179                 if (ntype >= NTYPES)
 180                     adios (NULL, "too many types (starting with %s), %d max",
 181                            cp, NTYPES);
 182                 types[ntype++] = cp;
 183                 continue;
 184
 185             case PREFERSW:
 186                 if (!(cp = *argp++) || *cp == '-')
 187                     adios (NULL, "missing argument to %s", argp[-2]);
 188                 if (npreferred >= NPREFS)
 189                     adios (NULL, "too many preferred types (starting with %s), %d max",
 190                            cp, NPREFS);
 191                 preferred_types[npreferred] = cp;
 192                 cp = strchr(cp, '/');
 193                 if (cp) *cp++ = '\0';
 194                 preferred_subtypes[npreferred++] = cp;
 195                 continue;
 196
 197             case FILESW:
 198                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 199                     adios (NULL, "missing argument to %s", argp[-2]);
 200                 file = *cp == '-' ? cp : path (cp, TFILE);
 201                 continue;
 202
 203             case CHGSW:
 204                 chgflag++;
 205                 continue;
 206             case NCHGSW:
 207                 chgflag = 0;
 208                 continue;
 209
 210             case VERBSW:
 211                 verbosw = 1;
 212                 continue;
 213             case NVERBSW:
 214                 verbosw = 0;
 215                 continue;
 216             case DISPOSW:
 217                 dispo = 1;
 218                 continue;
 219             case NDISPOSW:
 220                 dispo = 0;
 221                 continue;
 222             case DEBUGSW:
 223                 debugsw = 1;
 224                 continue;
 225             }
 226         }
 227         if (*cp == '+' || *cp == '@') {
 228             if (folder)
 229                 adios (NULL, "only one folder at a time!");
 230             else
 231                 folder = pluspath (cp);
 232         } else
 233                 app_msgarg(&msgs, cp);
 234     }
 235
 236     /* null terminate the list of acceptable parts/types */
 237     parts[npart] = NULL;
 238     types[ntype] = NULL;
 239
 240     /* Check for public cache location */
 241     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 242         cache_public = NULL;
 243
 244     /* Check for private cache location */
 245     if (!(cache_private = context_find (nmhprivcache)))
 246         cache_private = ".cache";
 247     cache_private = getcpy (m_maildir (cache_private));
 248
 249     if (!context_find ("path"))
 250         free (path ("./", TFOLDER));
 251
 252     if (file && msgs.size)
 253         adios (NULL, "cannot specify msg and file at same time!");
 254
 255     /*
 256      * check if message is coming from file
 257      */
 258     if (file) {
 259         cts = mh_xcalloc(2, sizeof *cts);
 260         ctp = cts;
 261
 262         if ((ct = parse_mime (file)))
 263             *ctp++ = ct;
 264     } else {
 265         /*
 266          * message(s) are coming from a folder
 267          */
 268         if (!msgs.size)
 269             app_msgarg(&msgs, "cur");
 270         if (!folder)
 271             folder = getfolder (1);
 272         maildir = m_maildir (folder);
 273
 274         if (chdir (maildir) == NOTOK)
 275             adios (maildir, "unable to change directory to");
 276
 277         /* read folder and create message structure */
 278         if (!(mp = folder_read (folder, 0)))
 279             adios (NULL, "unable to read folder %s", folder);
 280
 281         /* check for empty folder */
 282         if (mp->nummsg == 0)
 283             adios (NULL, "no messages in %s", folder);
 284
 285         /* parse all the message ranges/sequences and set SELECTED */
 286         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 287             if (!m_convert (mp, msgs.msgs[msgnum]))
 288                 done (1);
 289         seq_setprev (mp);       /* set the previous-sequence */
 290
 291         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 292         ctp = cts;
 293
 294         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 295             if (is_selected(mp, msgnum)) {
 296                 char *msgnam;
 297
 298                 msgnam = m_name (msgnum);
 299                 if ((ct = parse_mime (msgnam)))
 300                     *ctp++ = ct;
 301             }
 302         }
 303     }
 304
 305     if (!*cts)
 306         done (1);
 307
 308     userrs = 1;
 309     SIGNAL (SIGQUIT, quitser);
 310     SIGNAL (SIGPIPE, pipeser);
 311
 312     /*
 313      * Get the associated umask for the relevant contents.
 314      */
 315     for (ctp = cts; *ctp; ctp++) {
 316         struct stat st;
 317
 318         ct = *ctp;
 319         if (type_ok (ct, 1) && !ct->c_umask) {
 320             if (stat (ct->c_file, &st) != NOTOK)
 321                 ct->c_umask = ~(st.st_mode & 0777);
 322             else
 323                 ct->c_umask = ~m_gmprot();
 324         }
 325     }
 326
 327     /*
 328      * List the message content
 329      */
 330     list_all_messages (cts, headsw, sizesw, verbosw, debugsw, dispo);
 331
 332     /* Now free all the structures for the content */
 333     for (ctp = cts; *ctp; ctp++)
 334         free_content (*ctp);
 335
 336     free(cts);
 337     cts = NULL;
 338
 339     /* If reading from a folder, do some updating */
 340     if (mp) {
 341         context_replace (pfolder, folder);/* update current folder  */
 342         if (chgflag)
 343             seq_setcur (mp, mp->hghsel);  /* update current message */
 344         seq_save (mp);                    /* synchronize sequences  */
 345         context_save ();                  /* save the context file  */
 346     }
 347
 348     done (0);
 349     return 1;
 350 }
 351
 352
 353 static void
 354 pipeser (int i)
 355 {
 356     if (i == SIGQUIT) {
 357         fflush (stdout);
 358         fprintf (stderr, "\n");
 359         fflush (stderr);
 360     }
 361
 362     done (1);
 363     /* NOTREACHED */
 364 }