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/getfolder.h"
  10 #include "sbr/folder_read.h"
  11 #include "sbr/context_save.h"
  12 #include "sbr/context_replace.h"
  13 #include "sbr/context_find.h"
  14 #include "sbr/readconfig.h"
  15 #include "sbr/ambigsw.h"
  16 #include "sbr/path.h"
  17 #include "sbr/print_version.h"
  18 #include "sbr/print_help.h"
  19 #include "sbr/error.h"
  20 #include <fcntl.h>
  21 #include "h/signals.h"
  22 #include "h/md5.h"
  23 #include "h/mts.h"
  24 #include "h/tws.h"
  25 #include "h/mime.h"
  26 #include "h/mhparse.h"
  27 #include "h/mhcachesbr.h"
  28 #include "h/done.h"
  29 #include "h/utils.h"
  30 #include "mhmisc.h"
  31 #include "sbr/m_maildir.h"
  32 #include "mhfree.h"
  33
  34 #define MHSTORE_SWITCHES \
  35     X("auto", 0, AUTOSW) \
  36     X("noauto", 0, NAUTOSW) \
  37     X("check", 0, CHECKSW) \
  38     X("nocheck", 0, NCHECKSW) \
  39     X("verbose", 0, VERBSW) \
  40     X("noverbose", 0, NVERBSW) \
  41     X("file file", 0, FILESW)           /* interface from show */ \
  42     X("outfile outfile", 0, OUTFILESW) \
  43     X("part number", 0, PARTSW) \
  44     X("type content", 0, TYPESW) \
  45     X("prefer content", 0, PREFERSW) \
  46     X("noprefer", 0, NPREFERSW) \
  47     X("rcache policy", 0, RCACHESW) \
  48     X("wcache policy", 0, WCACHESW) \
  49     X("version", 0, VERSIONSW) \
  50     X("help", 0, HELPSW) \
  51     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  52     X("debug", -5, DEBUGSW) \
  53
  54 #define X(sw, minchars, id) id,
  55 DEFINE_SWITCH_ENUM(MHSTORE);
  56 #undef X
  57
  58 #define X(sw, minchars, id) { sw, minchars, id },
  59 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  60 #undef X
  61
  62
  63 #define quitser pipeser
  64
  65 /* mhparse.c */
  66 int debugsw = 0;
  67
  68 /*
  69  * static prototypes
  70  */
  71 static void pipeser (int);
  72
  73
  74 int
  75 main (int argc, char **argv)
  76 {
  77     int msgnum, *icachesw;
  78     bool autosw = false;
  79     /* verbosw defaults to 1 for backward compatibility. */
  80     bool verbosw = true;
  81     const char *clobbersw = "always";
  82     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  83     char *maildir, buf[100], **argp;
  84     char **arguments;
  85     char *cwd;
  86     struct msgs_array msgs = { 0, 0, NULL };
  87     struct msgs *mp = NULL;
  88     CT ct, *ctp;
  89     FILE *fp;
  90     int files_not_clobbered;
  91     mhstoreinfo_t info;
  92
  93     if (nmh_init(argv[0], true, true)) { return 1; }
  94
  95     set_done(freects_done);
  96
  97     arguments = getarguments (invo_name, argc, argv, 1);
  98     argp = arguments;
  99
 100     /*
 101      * Parse arguments
 102      */
 103     while ((cp = *argp++)) {
 104         if (*cp == '-') {
 105             switch (smatch (++cp, switches)) {
 106             case AMBIGSW:
 107                 ambigsw (cp, switches);
 108                 done (1);
 109             case UNKWNSW:
 110                 die("-%s unknown", cp);
 111
 112             case HELPSW:
 113                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 114                         invo_name);
 115                 print_help (buf, switches, 1);
 116                 done (0);
 117             case VERSIONSW:
 118                 print_version(invo_name);
 119                 done (0);
 120
 121             case AUTOSW:
 122                 autosw = true;
 123                 continue;
 124             case NAUTOSW:
 125                 autosw = false;
 126                 continue;
 127
 128             case RCACHESW:
 129                 icachesw = &rcachesw;
 130                 goto do_cache;
 131             case WCACHESW:
 132                 icachesw = &wcachesw;
 133 do_cache:
 134                 if (!(cp = *argp++) || *cp == '-')
 135                     die("missing argument to %s", argp[-2]);
 136                 switch (*icachesw = smatch (cp, cache_policy)) {
 137                 case AMBIGSW:
 138                     ambigsw (cp, cache_policy);
 139                     done (1);
 140                 case UNKWNSW:
 141                     die("%s unknown", cp);
 142                 default:
 143                     break;
 144                 }
 145                 continue;
 146
 147             case CHECKSW:
 148                 checksw++;
 149                 continue;
 150             case NCHECKSW:
 151                 checksw = 0;
 152                 continue;
 153
 154             case PARTSW:
 155                 if (!(cp = *argp++) || *cp == '-')
 156                     die("missing argument to %s", argp[-2]);
 157                 if (npart >= NPARTS)
 158                     die("too many parts (starting with %s), %d max",
 159                            cp, NPARTS);
 160                 parts[npart++] = cp;
 161                 continue;
 162
 163             case TYPESW:
 164                 if (!(cp = *argp++) || *cp == '-')
 165                     die("missing argument to %s", argp[-2]);
 166                 if (ntype >= NTYPES)
 167                     die("too many types (starting with %s), %d max",
 168                            cp, NTYPES);
 169                 types[ntype++] = cp;
 170                 continue;
 171
 172             case PREFERSW:
 173                 if (!(cp = *argp++) || *cp == '-')
 174                     die("missing argument to %s", argp[-2]);
 175                 if (npreferred >= NPREFS)
 176                     die("too many preferred types (starting with %s), %d max",
 177                            cp, NPREFS);
 178                 mime_preference[npreferred].type = cp;
 179                 cp = strchr(cp, '/');
 180                 if (cp) *cp++ = '\0';
 181                 mime_preference[npreferred++].subtype = cp;
 182                 continue;
 183
 184             case NPREFERSW:
 185                 npreferred = 0;
 186                 continue;
 187
 188             case FILESW:
 189                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 190                     die("missing argument to %s", argp[-2]);
 191                 file = *cp == '-' ? cp : path (cp, TFILE);
 192                 continue;
 193
 194             case OUTFILESW:
 195                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 196                     die("missing argument to %s", argp[-2]);
 197                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 198                 continue;
 199
 200             case VERBSW:
 201                 verbosw = true;
 202                 continue;
 203             case NVERBSW:
 204                 verbosw = false;
 205                 continue;
 206             case CLOBBERSW:
 207                 if (!(cp = *argp++) || *cp == '-')
 208                     die("missing argument to %s", argp[-2]);
 209                 clobbersw = cp;
 210                 continue;
 211             case DEBUGSW:
 212                 debugsw = 1;
 213                 continue;
 214             }
 215         }
 216         if (*cp == '+' || *cp == '@') {
 217             if (folder)
 218                 die("only one folder at a time!");
 219             folder = pluspath (cp);
 220         } else
 221                 app_msgarg(&msgs, cp);
 222     }
 223
 224     /* null terminate the list of acceptable parts/types */
 225     parts[npart] = NULL;
 226     types[ntype] = NULL;
 227
 228     /*
 229      * Check if we've specified an additional profile
 230      */
 231     if ((cp = getenv ("MHSTORE"))) {
 232         if ((fp = fopen (cp, "r"))) {
 233             readconfig(NULL, fp, cp, 0);
 234             fclose (fp);
 235         } else {
 236             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 237         }
 238     }
 239
 240     /*
 241      * Read the standard profile setup
 242      */
 243     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 244         readconfig(NULL, fp, cp, 0);
 245         fclose (fp);
 246     }
 247
 248     /* Check for public cache location */
 249     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 250         cache_public = NULL;
 251
 252     /* Check for private cache location */
 253     if (!(cache_private = context_find (nmhprivcache)))
 254         cache_private = ".cache";
 255     cache_private = mh_xstrdup(m_maildir(cache_private));
 256
 257     /*
 258      * Cache the current directory before we do any chdirs()'s.
 259      */
 260     cwd = mh_xstrdup(pwd());
 261
 262     if (!context_find ("path"))
 263         free (path ("./", TFOLDER));
 264
 265     if (file && msgs.size)
 266         die("cannot specify msg and file at same time!");
 267
 268     /*
 269      * check if message is coming from file
 270      */
 271     if (file) {
 272         cts = mh_xcalloc(2, sizeof *cts);
 273         ctp = cts;
 274
 275         if ((ct = parse_mime (file))) {
 276             *ctp++ = ct;
 277             if (outfile) {
 278                 ct->c_storage = mh_xstrdup(outfile);
 279             }
 280         }
 281     } else {
 282         /*
 283          * message(s) are coming from a folder
 284          */
 285         if (!msgs.size)
 286             app_msgarg(&msgs, "cur");
 287         if (!folder)
 288             folder = getfolder (1);
 289         maildir = m_maildir (folder);
 290
 291         if (chdir (maildir) == NOTOK)
 292             adios (maildir, "unable to change directory to");
 293
 294         /* read folder and create message structure */
 295         if (!(mp = folder_read (folder, 1)))
 296             die("unable to read folder %s", folder);
 297
 298         /* check for empty folder */
 299         if (mp->nummsg == 0)
 300             die("no messages in %s", folder);
 301
 302         /* parse all the message ranges/sequences and set SELECTED */
 303         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 304             if (!m_convert (mp, msgs.msgs[msgnum]))
 305                 done (1);
 306         seq_setprev (mp);       /* set the previous-sequence */
 307
 308         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 309         ctp = cts;
 310
 311         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 312             if (is_selected(mp, msgnum)) {
 313                 char *msgnam;
 314
 315                 msgnam = m_name (msgnum);
 316                 if ((ct = parse_mime (msgnam))) {
 317                     *ctp++ = ct;
 318                     if (outfile) {
 319                         ct->c_storage = mh_xstrdup(outfile);
 320                     }
 321                 }
 322             }
 323         }
 324     }
 325
 326     if (!*cts)
 327         done (1);
 328
 329     userrs = true;
 330     SIGNAL (SIGQUIT, quitser);
 331     SIGNAL (SIGPIPE, pipeser);
 332
 333     /*
 334      * Get the associated umask for the relevant contents.
 335      */
 336     for (ctp = cts; *ctp; ctp++) {
 337         struct stat st;
 338
 339         ct = *ctp;
 340         if (type_ok (ct, 1) && !ct->c_umask) {
 341             if (stat (ct->c_file, &st) != NOTOK)
 342                 ct->c_umask = ~(st.st_mode & 0777);
 343             else
 344                 ct->c_umask = ~m_gmprot();
 345         }
 346     }
 347
 348     /*
 349      * Store the message content
 350      */
 351     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 352     store_all_messages (info);
 353     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 354     mhstoreinfo_free(info);
 355
 356     /* Now free all the structures for the content */
 357     for (ctp = cts; *ctp; ctp++)
 358         free_content (*ctp);
 359
 360     free (cts);
 361     cts = NULL;
 362
 363     /* If reading from a folder, do some updating */
 364     if (mp) {
 365         context_replace (pfolder, folder);/* update current folder  */
 366         seq_setcur (mp, mp->hghsel);      /* update current message */
 367         seq_save (mp);                    /* synchronize sequences  */
 368         context_save ();                  /* save the context file  */
 369     }
 370
 371     done (files_not_clobbered);
 372     return 1;
 373 }
 374
 375
 376 static void
 377 pipeser (int i)
 378 {
 379     if (i == SIGQUIT) {
 380         fflush (stdout);
 381         fprintf (stderr, "\n");
 382         fflush (stderr);
 383     }
 384
 385     done (1);
 386     /* NOTREACHED */
 387 }