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/m_convert.h"
  10 #include "sbr/getfolder.h"
  11 #include "sbr/folder_read.h"
  12 #include "sbr/context_save.h"
  13 #include "sbr/context_replace.h"
  14 #include "sbr/context_find.h"
  15 #include "sbr/ambigsw.h"
  16 #include "sbr/path.h"
  17 #include "sbr/print_version.h"
  18 #include "sbr/print_help.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/signals.h"
  22 #include "h/md5.h"
  23 #include "h/mts.h"
  24 #include "h/tws.h"
  25 #include "h/mime.h"
  26 #include "h/mhparse.h"
  27 #include "h/mhcachesbr.h"
  28 #include "h/done.h"
  29 #include "h/utils.h"
  30 #include "mhmisc.h"
  31 #include "sbr/m_maildir.h"
  32 #include "mhfree.h"
  33
  34 #define MHLIST_SWITCHES \
  35     X("check", 0, CHECKSW) \
  36     X("nocheck", 0, NCHECKSW) \
  37     X("headers", 0, HEADSW) \
  38     X("noheaders", 0, NHEADSW) \
  39     X("realsize", 0, SIZESW) \
  40     X("norealsize", 0, NSIZESW) \
  41     X("verbose", 0, VERBSW) \
  42     X("noverbose", 0, NVERBSW) \
  43     X("disposition", 0, DISPOSW) \
  44     X("nodisposition", 0, NDISPOSW) \
  45     X("file file", 0, FILESW) \
  46     X("part number", 0, PARTSW) \
  47     X("type content", 0, TYPESW) \
  48     X("prefer content", 0, PREFERSW) \
  49     X("noprefer", 0, NPREFERSW) \
  50     X("rcache policy", 0, RCACHESW) \
  51     X("wcache policy", 0, WCACHESW) \
  52     X("changecur", 0, CHGSW) \
  53     X("nochangecur", 0, NCHGSW) \
  54     X("version", 0, VERSIONSW) \
  55     X("help", 0, HELPSW) \
  56     X("debug", -5, DEBUGSW) \
  57
  58 #define X(sw, minchars, id) id,
  59 DEFINE_SWITCH_ENUM(MHLIST);
  60 #undef X
  61
  62 #define X(sw, minchars, id) { sw, minchars, id },
  63 DEFINE_SWITCH_ARRAY(MHLIST, switches);
  64 #undef X
  65
  66 /*
  67  * This is currently needed to keep mhparse happy.
  68  * This needs to be changed.
  69  */
  70 int debugsw = 0;
  71
  72 #define quitser pipeser
  73
  74 /*
  75  * static prototypes
  76  */
  77 static void pipeser (int);
  78
  79
  80 int
  81 main (int argc, char **argv)
  82 {
  83     bool sizesw = true;
  84     bool headsw = true;
  85     bool chgflag = true;
  86     bool verbosw = false;
  87     bool dispo = false;
  88     int msgnum, *icachesw;
  89     char *cp, *file = NULL, *folder = NULL;
  90     char *maildir, buf[100], **argp;
  91     char **arguments;
  92     struct msgs_array msgs = { 0, 0, NULL };
  93     struct msgs *mp = NULL;
  94     CT ct, *ctp;
  95
  96     if (nmh_init(argv[0], true, true)) { return 1; }
  97
  98     set_done(freects_done);
  99
 100     arguments = getarguments (invo_name, argc, argv, 1);
 101     argp = arguments;
 102
 103     /*
 104      * Parse arguments
 105      */
 106     while ((cp = *argp++)) {
 107         if (*cp == '-') {
 108             switch (smatch (++cp, switches)) {
 109             case AMBIGSW:
 110                 ambigsw (cp, switches);
 111                 done (1);
 112             case UNKWNSW:
 113                 die("-%s unknown", cp);
 114
 115             case HELPSW:
 116                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 117                         invo_name);
 118                 print_help (buf, switches, 1);
 119                 done (0);
 120             case VERSIONSW:
 121                 print_version(invo_name);
 122                 done (0);
 123
 124             case RCACHESW:
 125                 icachesw = &rcachesw;
 126                 goto do_cache;
 127             case WCACHESW:
 128                 icachesw = &wcachesw;
 129 do_cache:
 130                 if (!(cp = *argp++) || *cp == '-')
 131                     die("missing argument to %s", argp[-2]);
 132                 switch (*icachesw = smatch (cp, cache_policy)) {
 133                 case AMBIGSW:
 134                     ambigsw (cp, cache_policy);
 135                     done (1);
 136                 case UNKWNSW:
 137                     die("%s unknown", cp);
 138                 default:
 139                     break;
 140                 }
 141                 continue;
 142
 143             case CHECKSW:
 144                 checksw++;
 145                 continue;
 146             case NCHECKSW:
 147                 checksw = 0;
 148                 continue;
 149
 150             case HEADSW:
 151                 headsw = true;
 152                 continue;
 153             case NHEADSW:
 154                 headsw = false;
 155                 continue;
 156
 157             case SIZESW:
 158                 sizesw = true;
 159                 continue;
 160             case NSIZESW:
 161                 sizesw = false;
 162                 continue;
 163
 164             case PARTSW:
 165                 if (!(cp = *argp++) || *cp == '-')
 166                     die("missing argument to %s", argp[-2]);
 167                 if (npart >= NPARTS)
 168                     die("too many parts (starting with %s), %d max",
 169                            cp, NPARTS);
 170                 parts[npart++] = cp;
 171                 continue;
 172
 173             case TYPESW:
 174                 if (!(cp = *argp++) || *cp == '-')
 175                     die("missing argument to %s", argp[-2]);
 176                 if (ntype >= NTYPES)
 177                     die("too many types (starting with %s), %d max",
 178                            cp, NTYPES);
 179                 types[ntype++] = cp;
 180                 continue;
 181
 182             case PREFERSW:
 183                 if (!(cp = *argp++) || *cp == '-')
 184                     die("missing argument to %s", argp[-2]);
 185                 if (npreferred >= NPREFS)
 186                     die("too many preferred types (starting with %s), %d max",
 187                            cp, NPREFS);
 188                 mime_preference[npreferred].type = cp;
 189                 cp = strchr(cp, '/');
 190                 if (cp) *cp++ = '\0';
 191                 mime_preference[npreferred++].subtype = cp;
 192                 continue;
 193
 194             case NPREFERSW:
 195                 npreferred = 0;
 196                 continue;
 197
 198             case FILESW:
 199                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 200                     die("missing argument to %s", argp[-2]);
 201                 file = *cp == '-' ? cp : path (cp, TFILE);
 202                 continue;
 203
 204             case CHGSW:
 205                 chgflag = true;
 206                 continue;
 207             case NCHGSW:
 208                 chgflag = false;
 209                 continue;
 210
 211             case VERBSW:
 212                 verbosw = true;
 213                 continue;
 214             case NVERBSW:
 215                 verbosw = false;
 216                 continue;
 217             case DISPOSW:
 218                 dispo = true;
 219                 continue;
 220             case NDISPOSW:
 221                 dispo = false;
 222                 continue;
 223             case DEBUGSW:
 224                 debugsw = 1;
 225                 continue;
 226             }
 227         }
 228         if (*cp == '+' || *cp == '@') {
 229             if (folder)
 230                 die("only one folder at a time!");
 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 = mh_xstrdup(m_maildir(cache_private));
 248
 249     if (!context_find ("path"))
 250         free (path ("./", TFOLDER));
 251
 252     if (file && msgs.size)
 253         die("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             die("unable to read folder %s", folder);
 280
 281         /* check for empty folder */
 282         if (mp->nummsg == 0)
 283             die("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 = true;
 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 }