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