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/ambigsw.h"
  10 #include "sbr/path.h"
  11 #include "sbr/print_version.h"
  12 #include "sbr/print_help.h"
  13 #include "sbr/error.h"
  14 #include <fcntl.h>
  15 #include "h/signals.h"
  16 #include "h/md5.h"
  17 #include "h/mts.h"
  18 #include "h/tws.h"
  19 #include "h/mime.h"
  20 #include "h/mhparse.h"
  21 #include "h/mhcachesbr.h"
  22 #include "h/done.h"
  23 #include "h/utils.h"
  24 #include "mhmisc.h"
  25 #include "sbr/m_maildir.h"
  26 #include "mhfree.h"
  27
  28 #define MHSTORE_SWITCHES \
  29     X("auto", 0, AUTOSW) \
  30     X("noauto", 0, NAUTOSW) \
  31     X("check", 0, CHECKSW) \
  32     X("nocheck", 0, NCHECKSW) \
  33     X("verbose", 0, VERBSW) \
  34     X("noverbose", 0, NVERBSW) \
  35     X("file file", 0, FILESW)           /* interface from show */ \
  36     X("outfile outfile", 0, OUTFILESW) \
  37     X("part number", 0, PARTSW) \
  38     X("type content", 0, TYPESW) \
  39     X("prefer content", 0, PREFERSW) \
  40     X("noprefer", 0, NPREFERSW) \
  41     X("rcache policy", 0, RCACHESW) \
  42     X("wcache policy", 0, WCACHESW) \
  43     X("version", 0, VERSIONSW) \
  44     X("help", 0, HELPSW) \
  45     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  46     X("debug", -5, DEBUGSW) \
  47
  48 #define X(sw, minchars, id) id,
  49 DEFINE_SWITCH_ENUM(MHSTORE);
  50 #undef X
  51
  52 #define X(sw, minchars, id) { sw, minchars, id },
  53 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  54 #undef X
  55
  56
  57 #define quitser pipeser
  58
  59 /* mhparse.c */
  60 int debugsw = 0;
  61
  62 /*
  63  * static prototypes
  64  */
  65 static void pipeser (int);
  66
  67
  68 int
  69 main (int argc, char **argv)
  70 {
  71     int msgnum, *icachesw;
  72     bool autosw = false;
  73     /* verbosw defaults to 1 for backward compatibility. */
  74     bool verbosw = true;
  75     const char *clobbersw = "always";
  76     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  77     char *maildir, buf[100], **argp;
  78     char **arguments;
  79     char *cwd;
  80     struct msgs_array msgs = { 0, 0, NULL };
  81     struct msgs *mp = NULL;
  82     CT ct, *ctp;
  83     FILE *fp;
  84     int files_not_clobbered;
  85     mhstoreinfo_t info;
  86
  87     if (nmh_init(argv[0], true, true)) { return 1; }
  88
  89     set_done(freects_done);
  90
  91     arguments = getarguments (invo_name, argc, argv, 1);
  92     argp = arguments;
  93
  94     /*
  95      * Parse arguments
  96      */
  97     while ((cp = *argp++)) {
  98         if (*cp == '-') {
  99             switch (smatch (++cp, switches)) {
 100             case AMBIGSW:
 101                 ambigsw (cp, switches);
 102                 done (1);
 103             case UNKWNSW:
 104                 die("-%s unknown", cp);
 105
 106             case HELPSW:
 107                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 108                         invo_name);
 109                 print_help (buf, switches, 1);
 110                 done (0);
 111             case VERSIONSW:
 112                 print_version(invo_name);
 113                 done (0);
 114
 115             case AUTOSW:
 116                 autosw = true;
 117                 continue;
 118             case NAUTOSW:
 119                 autosw = false;
 120                 continue;
 121
 122             case RCACHESW:
 123                 icachesw = &rcachesw;
 124                 goto do_cache;
 125             case WCACHESW:
 126                 icachesw = &wcachesw;
 127 do_cache:
 128                 if (!(cp = *argp++) || *cp == '-')
 129                     die("missing argument to %s", argp[-2]);
 130                 switch (*icachesw = smatch (cp, cache_policy)) {
 131                 case AMBIGSW:
 132                     ambigsw (cp, cache_policy);
 133                     done (1);
 134                 case UNKWNSW:
 135                     die("%s unknown", cp);
 136                 default:
 137                     break;
 138                 }
 139                 continue;
 140
 141             case CHECKSW:
 142                 checksw++;
 143                 continue;
 144             case NCHECKSW:
 145                 checksw = 0;
 146                 continue;
 147
 148             case PARTSW:
 149                 if (!(cp = *argp++) || *cp == '-')
 150                     die("missing argument to %s", argp[-2]);
 151                 if (npart >= NPARTS)
 152                     die("too many parts (starting with %s), %d max",
 153                            cp, NPARTS);
 154                 parts[npart++] = cp;
 155                 continue;
 156
 157             case TYPESW:
 158                 if (!(cp = *argp++) || *cp == '-')
 159                     die("missing argument to %s", argp[-2]);
 160                 if (ntype >= NTYPES)
 161                     die("too many types (starting with %s), %d max",
 162                            cp, NTYPES);
 163                 types[ntype++] = cp;
 164                 continue;
 165
 166             case PREFERSW:
 167                 if (!(cp = *argp++) || *cp == '-')
 168                     die("missing argument to %s", argp[-2]);
 169                 if (npreferred >= NPREFS)
 170                     die("too many preferred types (starting with %s), %d max",
 171                            cp, NPREFS);
 172                 mime_preference[npreferred].type = cp;
 173                 cp = strchr(cp, '/');
 174                 if (cp) *cp++ = '\0';
 175                 mime_preference[npreferred++].subtype = cp;
 176                 continue;
 177
 178             case NPREFERSW:
 179                 npreferred = 0;
 180                 continue;
 181
 182             case FILESW:
 183                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 184                     die("missing argument to %s", argp[-2]);
 185                 file = *cp == '-' ? cp : path (cp, TFILE);
 186                 continue;
 187
 188             case OUTFILESW:
 189                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 190                     die("missing argument to %s", argp[-2]);
 191                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 192                 continue;
 193
 194             case VERBSW:
 195                 verbosw = true;
 196                 continue;
 197             case NVERBSW:
 198                 verbosw = false;
 199                 continue;
 200             case CLOBBERSW:
 201                 if (!(cp = *argp++) || *cp == '-')
 202                     die("missing argument to %s", argp[-2]);
 203                 clobbersw = cp;
 204                 continue;
 205             case DEBUGSW:
 206                 debugsw = 1;
 207                 continue;
 208             }
 209         }
 210         if (*cp == '+' || *cp == '@') {
 211             if (folder)
 212                 die("only one folder at a time!");
 213             folder = pluspath (cp);
 214         } else
 215                 app_msgarg(&msgs, cp);
 216     }
 217
 218     /* null terminate the list of acceptable parts/types */
 219     parts[npart] = NULL;
 220     types[ntype] = NULL;
 221
 222     /*
 223      * Check if we've specified an additional profile
 224      */
 225     if ((cp = getenv ("MHSTORE"))) {
 226         if ((fp = fopen (cp, "r"))) {
 227             readconfig(NULL, fp, cp, 0);
 228             fclose (fp);
 229         } else {
 230             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 231         }
 232     }
 233
 234     /*
 235      * Read the standard profile setup
 236      */
 237     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 238         readconfig(NULL, fp, cp, 0);
 239         fclose (fp);
 240     }
 241
 242     /* Check for public cache location */
 243     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 244         cache_public = NULL;
 245
 246     /* Check for private cache location */
 247     if (!(cache_private = context_find (nmhprivcache)))
 248         cache_private = ".cache";
 249     cache_private = mh_xstrdup(m_maildir(cache_private));
 250
 251     /*
 252      * Cache the current directory before we do any chdirs()'s.
 253      */
 254     cwd = mh_xstrdup(pwd());
 255
 256     if (!context_find ("path"))
 257         free (path ("./", TFOLDER));
 258
 259     if (file && msgs.size)
 260         die("cannot specify msg and file at same time!");
 261
 262     /*
 263      * check if message is coming from file
 264      */
 265     if (file) {
 266         cts = mh_xcalloc(2, sizeof *cts);
 267         ctp = cts;
 268
 269         if ((ct = parse_mime (file))) {
 270             *ctp++ = ct;
 271             if (outfile) {
 272                 ct->c_storage = mh_xstrdup(outfile);
 273             }
 274         }
 275     } else {
 276         /*
 277          * message(s) are coming from a folder
 278          */
 279         if (!msgs.size)
 280             app_msgarg(&msgs, "cur");
 281         if (!folder)
 282             folder = getfolder (1);
 283         maildir = m_maildir (folder);
 284
 285         if (chdir (maildir) == NOTOK)
 286             adios (maildir, "unable to change directory to");
 287
 288         /* read folder and create message structure */
 289         if (!(mp = folder_read (folder, 1)))
 290             die("unable to read folder %s", folder);
 291
 292         /* check for empty folder */
 293         if (mp->nummsg == 0)
 294             die("no messages in %s", folder);
 295
 296         /* parse all the message ranges/sequences and set SELECTED */
 297         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 298             if (!m_convert (mp, msgs.msgs[msgnum]))
 299                 done (1);
 300         seq_setprev (mp);       /* set the previous-sequence */
 301
 302         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 303         ctp = cts;
 304
 305         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 306             if (is_selected(mp, msgnum)) {
 307                 char *msgnam;
 308
 309                 msgnam = m_name (msgnum);
 310                 if ((ct = parse_mime (msgnam))) {
 311                     *ctp++ = ct;
 312                     if (outfile) {
 313                         ct->c_storage = mh_xstrdup(outfile);
 314                     }
 315                 }
 316             }
 317         }
 318     }
 319
 320     if (!*cts)
 321         done (1);
 322
 323     userrs = true;
 324     SIGNAL (SIGQUIT, quitser);
 325     SIGNAL (SIGPIPE, pipeser);
 326
 327     /*
 328      * Get the associated umask for the relevant contents.
 329      */
 330     for (ctp = cts; *ctp; ctp++) {
 331         struct stat st;
 332
 333         ct = *ctp;
 334         if (type_ok (ct, 1) && !ct->c_umask) {
 335             if (stat (ct->c_file, &st) != NOTOK)
 336                 ct->c_umask = ~(st.st_mode & 0777);
 337             else
 338                 ct->c_umask = ~m_gmprot();
 339         }
 340     }
 341
 342     /*
 343      * Store the message content
 344      */
 345     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 346     store_all_messages (info);
 347     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 348     mhstoreinfo_free(info);
 349
 350     /* Now free all the structures for the content */
 351     for (ctp = cts; *ctp; ctp++)
 352         free_content (*ctp);
 353
 354     free (cts);
 355     cts = NULL;
 356
 357     /* If reading from a folder, do some updating */
 358     if (mp) {
 359         context_replace (pfolder, folder);/* update current folder  */
 360         seq_setcur (mp, mp->hghsel);      /* update current message */
 361         seq_save (mp);                    /* synchronize sequences  */
 362         context_save ();                  /* save the context file  */
 363     }
 364
 365     done (files_not_clobbered);
 366     return 1;
 367 }
 368
 369
 370 static void
 371 pipeser (int i)
 372 {
 373     if (i == SIGQUIT) {
 374         fflush (stdout);
 375         fprintf (stderr, "\n");
 376         fflush (stderr);
 377     }
 378
 379     done (1);
 380     /* NOTREACHED */
 381 }