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

   1 /*
   2  * mhstore.c -- store the contents of MIME messages
   3  *
   4  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   5  * COPYRIGHT file in the root directory of the nmh distribution for
   6  * complete copyright information.
   7  */
   8
   9 #include <h/mh.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/utils.h>
  19
  20 #define MHSTORE_SWITCHES \
  21     X("auto", 0, AUTOSW) \
  22     X("noauto", 0, NAUTOSW) \
  23     X("check", 0, CHECKSW) \
  24     X("nocheck", 0, NCHECKSW) \
  25     X("verbose", 0, VERBSW) \
  26     X("noverbose", 0, NVERBSW) \
  27     X("file file", 0, FILESW)           /* interface from show */ \
  28     X("outfile outfile", 0, OUTFILESW) \
  29     X("part number", 0, PARTSW) \
  30     X("type content", 0, TYPESW) \
  31     X("prefer content", 0, PREFERSW) \
  32     X("rcache policy", 0, RCACHESW) \
  33     X("wcache policy", 0, WCACHESW) \
  34     X("version", 0, VERSIONSW) \
  35     X("help", 0, HELPSW) \
  36     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  37     X("debug", -5, DEBUGSW) \
  38
  39 #define X(sw, minchars, id) id,
  40 DEFINE_SWITCH_ENUM(MHSTORE);
  41 #undef X
  42
  43 #define X(sw, minchars, id) { sw, minchars, id },
  44 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  45 #undef X
  46
  47
  48 /* mhcachesbr.c */
  49 extern int rcachesw;
  50 extern int wcachesw;
  51 extern char *cache_public;
  52 extern char *cache_private;
  53
  54 /* mhmisc.c */
  55 extern int npart;
  56 extern int ntype;
  57 extern char *parts[NPARTS + 1];
  58 extern char *types[NTYPES + 1];
  59 extern int userrs;
  60
  61 /* mhparse.c */
  62 extern char *preferred_types[];
  63 extern  char *preferred_subtypes[];
  64 extern int npreferred;
  65
  66 #define quitser pipeser
  67
  68 /* mhparse.c */
  69 int debugsw = 0;
  70 CT parse_mime (char *);
  71
  72 /* mhmisc.c */
  73 int part_ok (CT);
  74 int type_ok (CT, int);
  75 void flush_errors (void);
  76
  77 /* mhfree.c */
  78 extern CT *cts;
  79 void freects_done (int) NORETURN;
  80
  81 /*
  82  * static prototypes
  83  */
  84 static void pipeser (int);
  85
  86
  87 int
  88 main (int argc, char **argv)
  89 {
  90     /* verbosw defaults to 1 for backward compatibility. */
  91     int msgnum, *icachesw, autosw = 0, verbosw = 1;
  92     const char *clobbersw = "always";
  93     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  94     char *maildir, buf[100], **argp;
  95     char **arguments;
  96     char *cwd;
  97     struct msgs_array msgs = { 0, 0, NULL };
  98     struct msgs *mp = NULL;
  99     CT ct, *ctp;
 100     FILE *fp;
 101     int files_not_clobbered;
 102     mhstoreinfo_t info;
 103
 104     if (nmh_init(argv[0], 1)) { return 1; }
 105
 106     done=freects_done;
 107
 108     arguments = getarguments (invo_name, argc, argv, 1);
 109     argp = arguments;
 110
 111     /*
 112      * Parse arguments
 113      */
 114     while ((cp = *argp++)) {
 115         if (*cp == '-') {
 116             switch (smatch (++cp, switches)) {
 117             case AMBIGSW:
 118                 ambigsw (cp, switches);
 119                 done (1);
 120             case UNKWNSW:
 121                 adios (NULL, "-%s unknown", cp);
 122
 123             case HELPSW:
 124                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 125                         invo_name);
 126                 print_help (buf, switches, 1);
 127                 done (0);
 128             case VERSIONSW:
 129                 print_version(invo_name);
 130                 done (0);
 131
 132             case AUTOSW:
 133                 autosw++;
 134                 continue;
 135             case NAUTOSW:
 136                 autosw = 0;
 137                 continue;
 138
 139             case RCACHESW:
 140                 icachesw = &rcachesw;
 141                 goto do_cache;
 142             case WCACHESW:
 143                 icachesw = &wcachesw;
 144 do_cache:
 145                 if (!(cp = *argp++) || *cp == '-')
 146                     adios (NULL, "missing argument to %s", argp[-2]);
 147                 switch (*icachesw = smatch (cp, caches)) {
 148                 case AMBIGSW:
 149                     ambigsw (cp, caches);
 150                     done (1);
 151                 case UNKWNSW:
 152                     adios (NULL, "%s unknown", cp);
 153                 default:
 154                     break;
 155                 }
 156                 continue;
 157
 158             case CHECKSW:
 159                 checksw++;
 160                 continue;
 161             case NCHECKSW:
 162                 checksw = 0;
 163                 continue;
 164
 165             case PARTSW:
 166                 if (!(cp = *argp++) || *cp == '-')
 167                     adios (NULL, "missing argument to %s", argp[-2]);
 168                 if (npart >= NPARTS)
 169                     adios (NULL, "too many parts (starting with %s), %d max",
 170                            cp, NPARTS);
 171                 parts[npart++] = cp;
 172                 continue;
 173
 174             case TYPESW:
 175                 if (!(cp = *argp++) || *cp == '-')
 176                     adios (NULL, "missing argument to %s", argp[-2]);
 177                 if (ntype >= NTYPES)
 178                     adios (NULL, "too many types (starting with %s), %d max",
 179                            cp, NTYPES);
 180                 types[ntype++] = cp;
 181                 continue;
 182
 183             case PREFERSW:
 184                 if (!(cp = *argp++) || *cp == '-')
 185                     adios (NULL, "missing argument to %s", argp[-2]);
 186                 if (npreferred >= NPREFS)
 187                     adios (NULL, "too many preferred types (starting with %s), %d max",
 188                            cp, NPREFS);
 189                 preferred_types[npreferred] = cp;
 190                 cp = strchr(cp, '/');
 191                 if (cp) *cp++ = '\0';
 192                 preferred_subtypes[npreferred++] = cp;
 193                 continue;
 194
 195             case FILESW:
 196                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 197                     adios (NULL, "missing argument to %s", argp[-2]);
 198                 file = *cp == '-' ? cp : path (cp, TFILE);
 199                 continue;
 200
 201             case OUTFILESW:
 202                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 203                     adios (NULL, "missing argument to %s", argp[-2]);
 204                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 205                 continue;
 206
 207             case VERBSW:
 208                 verbosw = 1;
 209                 continue;
 210             case NVERBSW:
 211                 verbosw = 0;
 212                 continue;
 213             case CLOBBERSW:
 214                 if (!(cp = *argp++) || *cp == '-')
 215                     adios (NULL, "missing argument to %s", argp[-2]);
 216                 clobbersw = cp;
 217                 continue;
 218             case DEBUGSW:
 219                 debugsw = 1;
 220                 continue;
 221             }
 222         }
 223         if (*cp == '+' || *cp == '@') {
 224             if (folder)
 225                 adios (NULL, "only one folder at a time!");
 226             else
 227                 folder = pluspath (cp);
 228         } else
 229                 app_msgarg(&msgs, cp);
 230     }
 231
 232     /* null terminate the list of acceptable parts/types */
 233     parts[npart] = NULL;
 234     types[ntype] = NULL;
 235
 236     /*
 237      * Check if we've specified an additional profile
 238      */
 239     if ((cp = getenv ("MHSTORE"))) {
 240         if ((fp = fopen (cp, "r"))) {
 241             readconfig ((struct node **) 0, fp, cp, 0);
 242             fclose (fp);
 243         } else {
 244             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 245         }
 246     }
 247
 248     /*
 249      * Read the standard profile setup
 250      */
 251     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 252         readconfig ((struct node **) 0, fp, cp, 0);
 253         fclose (fp);
 254     }
 255
 256     /* Check for public cache location */
 257     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 258         cache_public = NULL;
 259
 260     /* Check for private cache location */
 261     if (!(cache_private = context_find (nmhprivcache)))
 262         cache_private = ".cache";
 263     cache_private = getcpy (m_maildir (cache_private));
 264
 265     /*
 266      * Cache the current directory before we do any chdirs()'s.
 267      */
 268     cwd = mh_xstrdup(pwd());
 269
 270     if (!context_find ("path"))
 271         free (path ("./", TFOLDER));
 272
 273     if (file && msgs.size)
 274         adios (NULL, "cannot specify msg and file at same time!");
 275
 276     /*
 277      * check if message is coming from file
 278      */
 279     if (file) {
 280         cts = mh_xcalloc(2, sizeof *cts);
 281         ctp = cts;
 282
 283         if ((ct = parse_mime (file))) {
 284             *ctp++ = ct;
 285             if (outfile) {
 286                 ct->c_storage = mh_xstrdup(outfile);
 287             }
 288         }
 289     } else {
 290         /*
 291          * message(s) are coming from a folder
 292          */
 293         if (!msgs.size)
 294             app_msgarg(&msgs, "cur");
 295         if (!folder)
 296             folder = getfolder (1);
 297         maildir = m_maildir (folder);
 298
 299         if (chdir (maildir) == NOTOK)
 300             adios (maildir, "unable to change directory to");
 301
 302         /* read folder and create message structure */
 303         if (!(mp = folder_read (folder, 1)))
 304             adios (NULL, "unable to read folder %s", folder);
 305
 306         /* check for empty folder */
 307         if (mp->nummsg == 0)
 308             adios (NULL, "no messages in %s", folder);
 309
 310         /* parse all the message ranges/sequences and set SELECTED */
 311         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 312             if (!m_convert (mp, msgs.msgs[msgnum]))
 313                 done (1);
 314         seq_setprev (mp);       /* set the previous-sequence */
 315
 316         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 317         ctp = cts;
 318
 319         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 320             if (is_selected(mp, msgnum)) {
 321                 char *msgnam;
 322
 323                 msgnam = m_name (msgnum);
 324                 if ((ct = parse_mime (msgnam))) {
 325                     *ctp++ = ct;
 326                     if (outfile) {
 327                         ct->c_storage = mh_xstrdup(outfile);
 328                     }
 329                 }
 330             }
 331         }
 332     }
 333
 334     if (!*cts)
 335         done (1);
 336
 337     userrs = 1;
 338     SIGNAL (SIGQUIT, quitser);
 339     SIGNAL (SIGPIPE, pipeser);
 340
 341     /*
 342      * Get the associated umask for the relevant contents.
 343      */
 344     for (ctp = cts; *ctp; ctp++) {
 345         struct stat st;
 346
 347         ct = *ctp;
 348         if (type_ok (ct, 1) && !ct->c_umask) {
 349             if (stat (ct->c_file, &st) != NOTOK)
 350                 ct->c_umask = ~(st.st_mode & 0777);
 351             else
 352                 ct->c_umask = ~m_gmprot();
 353         }
 354     }
 355
 356     /*
 357      * Store the message content
 358      */
 359     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 360     store_all_messages (info);
 361     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 362     mhstoreinfo_free(info);
 363
 364     /* Now free all the structures for the content */
 365     for (ctp = cts; *ctp; ctp++)
 366         free_content (*ctp);
 367
 368     free (cts);
 369     cts = NULL;
 370
 371     /* If reading from a folder, do some updating */
 372     if (mp) {
 373         context_replace (pfolder, folder);/* update current folder  */
 374         seq_setcur (mp, mp->hghsel);      /* update current message */
 375         seq_save (mp);                    /* synchronize sequences  */
 376         context_save ();                  /* save the context file  */
 377     }
 378
 379     done (files_not_clobbered);
 380     return 1;
 381 }
 382
 383
 384 static void
 385 pipeser (int i)
 386 {
 387     if (i == SIGQUIT) {
 388         fflush (stdout);
 389         fprintf (stderr, "\n");
 390         fflush (stderr);
 391     }
 392
 393     done (1);
 394     /* NOTREACHED */
 395 }