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