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/context_find.h"
  10 #include "sbr/readconfig.h"
  11 #include "sbr/ambigsw.h"
  12 #include "sbr/path.h"
  13 #include "sbr/print_version.h"
  14 #include "sbr/print_help.h"
  15 #include "sbr/error.h"
  16 #include <fcntl.h>
  17 #include "h/signals.h"
  18 #include "h/md5.h"
  19 #include "h/mts.h"
  20 #include "h/tws.h"
  21 #include "h/mime.h"
  22 #include "h/mhparse.h"
  23 #include "h/mhcachesbr.h"
  24 #include "h/done.h"
  25 #include "h/utils.h"
  26 #include "mhmisc.h"
  27 #include "sbr/m_maildir.h"
  28 #include "mhfree.h"
  29
  30 #define MHSTORE_SWITCHES \
  31     X("auto", 0, AUTOSW) \
  32     X("noauto", 0, NAUTOSW) \
  33     X("check", 0, CHECKSW) \
  34     X("nocheck", 0, NCHECKSW) \
  35     X("verbose", 0, VERBSW) \
  36     X("noverbose", 0, NVERBSW) \
  37     X("file file", 0, FILESW)           /* interface from show */ \
  38     X("outfile outfile", 0, OUTFILESW) \
  39     X("part number", 0, PARTSW) \
  40     X("type content", 0, TYPESW) \
  41     X("prefer content", 0, PREFERSW) \
  42     X("noprefer", 0, NPREFERSW) \
  43     X("rcache policy", 0, RCACHESW) \
  44     X("wcache policy", 0, WCACHESW) \
  45     X("version", 0, VERSIONSW) \
  46     X("help", 0, HELPSW) \
  47     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  48     X("debug", -5, DEBUGSW) \
  49
  50 #define X(sw, minchars, id) id,
  51 DEFINE_SWITCH_ENUM(MHSTORE);
  52 #undef X
  53
  54 #define X(sw, minchars, id) { sw, minchars, id },
  55 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  56 #undef X
  57
  58
  59 #define quitser pipeser
  60
  61 /* mhparse.c */
  62 int debugsw = 0;
  63
  64 /*
  65  * static prototypes
  66  */
  67 static void pipeser (int);
  68
  69
  70 int
  71 main (int argc, char **argv)
  72 {
  73     int msgnum, *icachesw;
  74     bool autosw = false;
  75     /* verbosw defaults to 1 for backward compatibility. */
  76     bool verbosw = true;
  77     const char *clobbersw = "always";
  78     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  79     char *maildir, buf[100], **argp;
  80     char **arguments;
  81     char *cwd;
  82     struct msgs_array msgs = { 0, 0, NULL };
  83     struct msgs *mp = NULL;
  84     CT ct, *ctp;
  85     FILE *fp;
  86     int files_not_clobbered;
  87     mhstoreinfo_t info;
  88
  89     if (nmh_init(argv[0], true, true)) { return 1; }
  90
  91     set_done(freects_done);
  92
  93     arguments = getarguments (invo_name, argc, argv, 1);
  94     argp = arguments;
  95
  96     /*
  97      * Parse arguments
  98      */
  99     while ((cp = *argp++)) {
 100         if (*cp == '-') {
 101             switch (smatch (++cp, switches)) {
 102             case AMBIGSW:
 103                 ambigsw (cp, switches);
 104                 done (1);
 105             case UNKWNSW:
 106                 die("-%s unknown", cp);
 107
 108             case HELPSW:
 109                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 110                         invo_name);
 111                 print_help (buf, switches, 1);
 112                 done (0);
 113             case VERSIONSW:
 114                 print_version(invo_name);
 115                 done (0);
 116
 117             case AUTOSW:
 118                 autosw = true;
 119                 continue;
 120             case NAUTOSW:
 121                 autosw = false;
 122                 continue;
 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 PARTSW:
 151                 if (!(cp = *argp++) || *cp == '-')
 152                     die("missing argument to %s", argp[-2]);
 153                 if (npart >= NPARTS)
 154                     die("too many parts (starting with %s), %d max",
 155                            cp, NPARTS);
 156                 parts[npart++] = cp;
 157                 continue;
 158
 159             case TYPESW:
 160                 if (!(cp = *argp++) || *cp == '-')
 161                     die("missing argument to %s", argp[-2]);
 162                 if (ntype >= NTYPES)
 163                     die("too many types (starting with %s), %d max",
 164                            cp, NTYPES);
 165                 types[ntype++] = cp;
 166                 continue;
 167
 168             case PREFERSW:
 169                 if (!(cp = *argp++) || *cp == '-')
 170                     die("missing argument to %s", argp[-2]);
 171                 if (npreferred >= NPREFS)
 172                     die("too many preferred types (starting with %s), %d max",
 173                            cp, NPREFS);
 174                 mime_preference[npreferred].type = cp;
 175                 cp = strchr(cp, '/');
 176                 if (cp) *cp++ = '\0';
 177                 mime_preference[npreferred++].subtype = cp;
 178                 continue;
 179
 180             case NPREFERSW:
 181                 npreferred = 0;
 182                 continue;
 183
 184             case FILESW:
 185                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 186                     die("missing argument to %s", argp[-2]);
 187                 file = *cp == '-' ? cp : path (cp, TFILE);
 188                 continue;
 189
 190             case OUTFILESW:
 191                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 192                     die("missing argument to %s", argp[-2]);
 193                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 194                 continue;
 195
 196             case VERBSW:
 197                 verbosw = true;
 198                 continue;
 199             case NVERBSW:
 200                 verbosw = false;
 201                 continue;
 202             case CLOBBERSW:
 203                 if (!(cp = *argp++) || *cp == '-')
 204                     die("missing argument to %s", argp[-2]);
 205                 clobbersw = cp;
 206                 continue;
 207             case DEBUGSW:
 208                 debugsw = 1;
 209                 continue;
 210             }
 211         }
 212         if (*cp == '+' || *cp == '@') {
 213             if (folder)
 214                 die("only one folder at a time!");
 215             folder = pluspath (cp);
 216         } else
 217                 app_msgarg(&msgs, cp);
 218     }
 219
 220     /* null terminate the list of acceptable parts/types */
 221     parts[npart] = NULL;
 222     types[ntype] = NULL;
 223
 224     /*
 225      * Check if we've specified an additional profile
 226      */
 227     if ((cp = getenv ("MHSTORE"))) {
 228         if ((fp = fopen (cp, "r"))) {
 229             readconfig(NULL, fp, cp, 0);
 230             fclose (fp);
 231         } else {
 232             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 233         }
 234     }
 235
 236     /*
 237      * Read the standard profile setup
 238      */
 239     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 240         readconfig(NULL, fp, cp, 0);
 241         fclose (fp);
 242     }
 243
 244     /* Check for public cache location */
 245     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 246         cache_public = NULL;
 247
 248     /* Check for private cache location */
 249     if (!(cache_private = context_find (nmhprivcache)))
 250         cache_private = ".cache";
 251     cache_private = mh_xstrdup(m_maildir(cache_private));
 252
 253     /*
 254      * Cache the current directory before we do any chdirs()'s.
 255      */
 256     cwd = mh_xstrdup(pwd());
 257
 258     if (!context_find ("path"))
 259         free (path ("./", TFOLDER));
 260
 261     if (file && msgs.size)
 262         die("cannot specify msg and file at same time!");
 263
 264     /*
 265      * check if message is coming from file
 266      */
 267     if (file) {
 268         cts = mh_xcalloc(2, sizeof *cts);
 269         ctp = cts;
 270
 271         if ((ct = parse_mime (file))) {
 272             *ctp++ = ct;
 273             if (outfile) {
 274                 ct->c_storage = mh_xstrdup(outfile);
 275             }
 276         }
 277     } else {
 278         /*
 279          * message(s) are coming from a folder
 280          */
 281         if (!msgs.size)
 282             app_msgarg(&msgs, "cur");
 283         if (!folder)
 284             folder = getfolder (1);
 285         maildir = m_maildir (folder);
 286
 287         if (chdir (maildir) == NOTOK)
 288             adios (maildir, "unable to change directory to");
 289
 290         /* read folder and create message structure */
 291         if (!(mp = folder_read (folder, 1)))
 292             die("unable to read folder %s", folder);
 293
 294         /* check for empty folder */
 295         if (mp->nummsg == 0)
 296             die("no messages in %s", folder);
 297
 298         /* parse all the message ranges/sequences and set SELECTED */
 299         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 300             if (!m_convert (mp, msgs.msgs[msgnum]))
 301                 done (1);
 302         seq_setprev (mp);       /* set the previous-sequence */
 303
 304         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 305         ctp = cts;
 306
 307         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 308             if (is_selected(mp, msgnum)) {
 309                 char *msgnam;
 310
 311                 msgnam = m_name (msgnum);
 312                 if ((ct = parse_mime (msgnam))) {
 313                     *ctp++ = ct;
 314                     if (outfile) {
 315                         ct->c_storage = mh_xstrdup(outfile);
 316                     }
 317                 }
 318             }
 319         }
 320     }
 321
 322     if (!*cts)
 323         done (1);
 324
 325     userrs = true;
 326     SIGNAL (SIGQUIT, quitser);
 327     SIGNAL (SIGPIPE, pipeser);
 328
 329     /*
 330      * Get the associated umask for the relevant contents.
 331      */
 332     for (ctp = cts; *ctp; ctp++) {
 333         struct stat st;
 334
 335         ct = *ctp;
 336         if (type_ok (ct, 1) && !ct->c_umask) {
 337             if (stat (ct->c_file, &st) != NOTOK)
 338                 ct->c_umask = ~(st.st_mode & 0777);
 339             else
 340                 ct->c_umask = ~m_gmprot();
 341         }
 342     }
 343
 344     /*
 345      * Store the message content
 346      */
 347     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 348     store_all_messages (info);
 349     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 350     mhstoreinfo_free(info);
 351
 352     /* Now free all the structures for the content */
 353     for (ctp = cts; *ctp; ctp++)
 354         free_content (*ctp);
 355
 356     free (cts);
 357     cts = NULL;
 358
 359     /* If reading from a folder, do some updating */
 360     if (mp) {
 361         context_replace (pfolder, folder);/* update current folder  */
 362         seq_setcur (mp, mp->hghsel);      /* update current message */
 363         seq_save (mp);                    /* synchronize sequences  */
 364         context_save ();                  /* save the context file  */
 365     }
 366
 367     done (files_not_clobbered);
 368     return 1;
 369 }
 370
 371
 372 static void
 373 pipeser (int i)
 374 {
 375     if (i == SIGQUIT) {
 376         fflush (stdout);
 377         fprintf (stderr, "\n");
 378         fflush (stderr);
 379     }
 380
 381     done (1);
 382     /* NOTREACHED */
 383 }