diplodocus.org Git - nmh/blob - uip/mhstore.c

   1 /* mhstore.c -- store 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 MHSTORE_SWITCHES \
  25     X("auto", 0, AUTOSW) \
  26     X("noauto", 0, NAUTOSW) \
  27     X("check", 0, CHECKSW) \
  28     X("nocheck", 0, NCHECKSW) \
  29     X("verbose", 0, VERBSW) \
  30     X("noverbose", 0, NVERBSW) \
  31     X("file file", 0, FILESW)           /* interface from show */ \
  32     X("outfile outfile", 0, OUTFILESW) \
  33     X("part number", 0, PARTSW) \
  34     X("type content", 0, TYPESW) \
  35     X("prefer content", 0, PREFERSW) \
  36     X("noprefer", 0, NPREFERSW) \
  37     X("rcache policy", 0, RCACHESW) \
  38     X("wcache policy", 0, WCACHESW) \
  39     X("version", 0, VERSIONSW) \
  40     X("help", 0, HELPSW) \
  41     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  42     X("debug", -5, DEBUGSW) \
  43
  44 #define X(sw, minchars, id) id,
  45 DEFINE_SWITCH_ENUM(MHSTORE);
  46 #undef X
  47
  48 #define X(sw, minchars, id) { sw, minchars, id },
  49 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  50 #undef X
  51
  52
  53 #define quitser pipeser
  54
  55 /* mhparse.c */
  56 int debugsw = 0;
  57
  58 /*
  59  * static prototypes
  60  */
  61 static void pipeser (int);
  62
  63
  64 int
  65 main (int argc, char **argv)
  66 {
  67     int msgnum, *icachesw;
  68     bool autosw = false;
  69     /* verbosw defaults to 1 for backward compatibility. */
  70     bool verbosw = true;
  71     const char *clobbersw = "always";
  72     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  73     char *maildir, buf[100], **argp;
  74     char **arguments;
  75     char *cwd;
  76     struct msgs_array msgs = { 0, 0, NULL };
  77     struct msgs *mp = NULL;
  78     CT ct, *ctp;
  79     FILE *fp;
  80     int files_not_clobbered;
  81     mhstoreinfo_t info;
  82
  83     if (nmh_init(argv[0], true, true)) { return 1; }
  84
  85     set_done(freects_done);
  86
  87     arguments = getarguments (invo_name, argc, argv, 1);
  88     argp = arguments;
  89
  90     /*
  91      * Parse arguments
  92      */
  93     while ((cp = *argp++)) {
  94         if (*cp == '-') {
  95             switch (smatch (++cp, switches)) {
  96             case AMBIGSW:
  97                 ambigsw (cp, switches);
  98                 done (1);
  99             case UNKWNSW:
 100                 die("-%s unknown", cp);
 101
 102             case HELPSW:
 103                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 104                         invo_name);
 105                 print_help (buf, switches, 1);
 106                 done (0);
 107             case VERSIONSW:
 108                 print_version(invo_name);
 109                 done (0);
 110
 111             case AUTOSW:
 112                 autosw = true;
 113                 continue;
 114             case NAUTOSW:
 115                 autosw = false;
 116                 continue;
 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 PARTSW:
 145                 if (!(cp = *argp++) || *cp == '-')
 146                     die("missing argument to %s", argp[-2]);
 147                 if (npart >= NPARTS)
 148                     die("too many parts (starting with %s), %d max",
 149                            cp, NPARTS);
 150                 parts[npart++] = cp;
 151                 continue;
 152
 153             case TYPESW:
 154                 if (!(cp = *argp++) || *cp == '-')
 155                     die("missing argument to %s", argp[-2]);
 156                 if (ntype >= NTYPES)
 157                     die("too many types (starting with %s), %d max",
 158                            cp, NTYPES);
 159                 types[ntype++] = cp;
 160                 continue;
 161
 162             case PREFERSW:
 163                 if (!(cp = *argp++) || *cp == '-')
 164                     die("missing argument to %s", argp[-2]);
 165                 if (npreferred >= NPREFS)
 166                     die("too many preferred types (starting with %s), %d max",
 167                            cp, NPREFS);
 168                 mime_preference[npreferred].type = cp;
 169                 cp = strchr(cp, '/');
 170                 if (cp) *cp++ = '\0';
 171                 mime_preference[npreferred++].subtype = cp;
 172                 continue;
 173
 174             case NPREFERSW:
 175                 npreferred = 0;
 176                 continue;
 177
 178             case FILESW:
 179                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 180                     die("missing argument to %s", argp[-2]);
 181                 file = *cp == '-' ? cp : path (cp, TFILE);
 182                 continue;
 183
 184             case OUTFILESW:
 185                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 186                     die("missing argument to %s", argp[-2]);
 187                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 188                 continue;
 189
 190             case VERBSW:
 191                 verbosw = true;
 192                 continue;
 193             case NVERBSW:
 194                 verbosw = false;
 195                 continue;
 196             case CLOBBERSW:
 197                 if (!(cp = *argp++) || *cp == '-')
 198                     die("missing argument to %s", argp[-2]);
 199                 clobbersw = cp;
 200                 continue;
 201             case DEBUGSW:
 202                 debugsw = 1;
 203                 continue;
 204             }
 205         }
 206         if (*cp == '+' || *cp == '@') {
 207             if (folder)
 208                 die("only one folder at a time!");
 209             folder = pluspath (cp);
 210         } else
 211                 app_msgarg(&msgs, cp);
 212     }
 213
 214     /* null terminate the list of acceptable parts/types */
 215     parts[npart] = NULL;
 216     types[ntype] = NULL;
 217
 218     /*
 219      * Check if we've specified an additional profile
 220      */
 221     if ((cp = getenv ("MHSTORE"))) {
 222         if ((fp = fopen (cp, "r"))) {
 223             readconfig(NULL, fp, cp, 0);
 224             fclose (fp);
 225         } else {
 226             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 227         }
 228     }
 229
 230     /*
 231      * Read the standard profile setup
 232      */
 233     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 234         readconfig(NULL, fp, cp, 0);
 235         fclose (fp);
 236     }
 237
 238     /* Check for public cache location */
 239     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 240         cache_public = NULL;
 241
 242     /* Check for private cache location */
 243     if (!(cache_private = context_find (nmhprivcache)))
 244         cache_private = ".cache";
 245     cache_private = mh_xstrdup(m_maildir(cache_private));
 246
 247     /*
 248      * Cache the current directory before we do any chdirs()'s.
 249      */
 250     cwd = mh_xstrdup(pwd());
 251
 252     if (!context_find ("path"))
 253         free (path ("./", TFOLDER));
 254
 255     if (file && msgs.size)
 256         die("cannot specify msg and file at same time!");
 257
 258     /*
 259      * check if message is coming from file
 260      */
 261     if (file) {
 262         cts = mh_xcalloc(2, sizeof *cts);
 263         ctp = cts;
 264
 265         if ((ct = parse_mime (file))) {
 266             *ctp++ = ct;
 267             if (outfile) {
 268                 ct->c_storage = mh_xstrdup(outfile);
 269             }
 270         }
 271     } else {
 272         /*
 273          * message(s) are coming from a folder
 274          */
 275         if (!msgs.size)
 276             app_msgarg(&msgs, "cur");
 277         if (!folder)
 278             folder = getfolder (1);
 279         maildir = m_maildir (folder);
 280
 281         if (chdir (maildir) == NOTOK)
 282             adios (maildir, "unable to change directory to");
 283
 284         /* read folder and create message structure */
 285         if (!(mp = folder_read (folder, 1)))
 286             die("unable to read folder %s", folder);
 287
 288         /* check for empty folder */
 289         if (mp->nummsg == 0)
 290             die("no messages in %s", folder);
 291
 292         /* parse all the message ranges/sequences and set SELECTED */
 293         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 294             if (!m_convert (mp, msgs.msgs[msgnum]))
 295                 done (1);
 296         seq_setprev (mp);       /* set the previous-sequence */
 297
 298         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 299         ctp = cts;
 300
 301         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 302             if (is_selected(mp, msgnum)) {
 303                 char *msgnam;
 304
 305                 msgnam = m_name (msgnum);
 306                 if ((ct = parse_mime (msgnam))) {
 307                     *ctp++ = ct;
 308                     if (outfile) {
 309                         ct->c_storage = mh_xstrdup(outfile);
 310                     }
 311                 }
 312             }
 313         }
 314     }
 315
 316     if (!*cts)
 317         done (1);
 318
 319     userrs = true;
 320     SIGNAL (SIGQUIT, quitser);
 321     SIGNAL (SIGPIPE, pipeser);
 322
 323     /*
 324      * Get the associated umask for the relevant contents.
 325      */
 326     for (ctp = cts; *ctp; ctp++) {
 327         struct stat st;
 328
 329         ct = *ctp;
 330         if (type_ok (ct, 1) && !ct->c_umask) {
 331             if (stat (ct->c_file, &st) != NOTOK)
 332                 ct->c_umask = ~(st.st_mode & 0777);
 333             else
 334                 ct->c_umask = ~m_gmprot();
 335         }
 336     }
 337
 338     /*
 339      * Store the message content
 340      */
 341     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 342     store_all_messages (info);
 343     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 344     mhstoreinfo_free(info);
 345
 346     /* Now free all the structures for the content */
 347     for (ctp = cts; *ctp; ctp++)
 348         free_content (*ctp);
 349
 350     free (cts);
 351     cts = NULL;
 352
 353     /* If reading from a folder, do some updating */
 354     if (mp) {
 355         context_replace (pfolder, folder);/* update current folder  */
 356         seq_setcur (mp, mp->hghsel);      /* update current message */
 357         seq_save (mp);                    /* synchronize sequences  */
 358         context_save ();                  /* save the context file  */
 359     }
 360
 361     done (files_not_clobbered);
 362     return 1;
 363 }
 364
 365
 366 static void
 367 pipeser (int i)
 368 {
 369     if (i == SIGQUIT) {
 370         fflush (stdout);
 371         fprintf (stderr, "\n");
 372         fflush (stderr);
 373     }
 374
 375     done (1);
 376     /* NOTREACHED */
 377 }