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/seq_setcur.h"
  10 #include "sbr/seq_save.h"
  11 #include "sbr/smatch.h"
  12 #include "sbr/m_convert.h"
  13 #include "sbr/getfolder.h"
  14 #include "sbr/folder_read.h"
  15 #include "sbr/context_save.h"
  16 #include "sbr/context_replace.h"
  17 #include "sbr/context_find.h"
  18 #include "sbr/readconfig.h"
  19 #include "sbr/ambigsw.h"
  20 #include "sbr/path.h"
  21 #include "sbr/print_version.h"
  22 #include "sbr/print_help.h"
  23 #include "sbr/error.h"
  24 #include <fcntl.h>
  25 #include "h/signals.h"
  26 #include "h/md5.h"
  27 #include "h/mts.h"
  28 #include "h/tws.h"
  29 #include "h/mime.h"
  30 #include "h/mhparse.h"
  31 #include "h/mhcachesbr.h"
  32 #include "h/done.h"
  33 #include "h/utils.h"
  34 #include "mhmisc.h"
  35 #include "sbr/m_maildir.h"
  36 #include "mhfree.h"
  37
  38 #define MHSTORE_SWITCHES \
  39     X("auto", 0, AUTOSW) \
  40     X("noauto", 0, NAUTOSW) \
  41     X("check", 0, CHECKSW) \
  42     X("nocheck", 0, NCHECKSW) \
  43     X("verbose", 0, VERBSW) \
  44     X("noverbose", 0, NVERBSW) \
  45     X("file file", 0, FILESW)           /* interface from show */ \
  46     X("outfile outfile", 0, OUTFILESW) \
  47     X("part number", 0, PARTSW) \
  48     X("type content", 0, TYPESW) \
  49     X("prefer content", 0, PREFERSW) \
  50     X("noprefer", 0, NPREFERSW) \
  51     X("rcache policy", 0, RCACHESW) \
  52     X("wcache policy", 0, WCACHESW) \
  53     X("version", 0, VERSIONSW) \
  54     X("help", 0, HELPSW) \
  55     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  56     X("debug", -5, DEBUGSW) \
  57
  58 #define X(sw, minchars, id) id,
  59 DEFINE_SWITCH_ENUM(MHSTORE);
  60 #undef X
  61
  62 #define X(sw, minchars, id) { sw, minchars, id },
  63 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  64 #undef X
  65
  66
  67 #define quitser pipeser
  68
  69 /* mhparse.c */
  70 int debugsw = 0;
  71
  72 /*
  73  * static prototypes
  74  */
  75 static void pipeser (int);
  76
  77
  78 int
  79 main (int argc, char **argv)
  80 {
  81     int msgnum, *icachesw;
  82     bool autosw = false;
  83     /* verbosw defaults to 1 for backward compatibility. */
  84     bool verbosw = true;
  85     const char *clobbersw = "always";
  86     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  87     char *maildir, buf[100], **argp;
  88     char **arguments;
  89     char *cwd;
  90     struct msgs_array msgs = { 0, 0, NULL };
  91     struct msgs *mp = NULL;
  92     CT ct, *ctp;
  93     FILE *fp;
  94     int files_not_clobbered;
  95     mhstoreinfo_t info;
  96
  97     if (nmh_init(argv[0], true, true)) { return 1; }
  98
  99     set_done(freects_done);
 100
 101     arguments = getarguments (invo_name, argc, argv, 1);
 102     argp = arguments;
 103
 104     /*
 105      * Parse arguments
 106      */
 107     while ((cp = *argp++)) {
 108         if (*cp == '-') {
 109             switch (smatch (++cp, switches)) {
 110             case AMBIGSW:
 111                 ambigsw (cp, switches);
 112                 done (1);
 113             case UNKWNSW:
 114                 die("-%s unknown", cp);
 115
 116             case HELPSW:
 117                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 118                         invo_name);
 119                 print_help (buf, switches, 1);
 120                 done (0);
 121             case VERSIONSW:
 122                 print_version(invo_name);
 123                 done (0);
 124
 125             case AUTOSW:
 126                 autosw = true;
 127                 continue;
 128             case NAUTOSW:
 129                 autosw = false;
 130                 continue;
 131
 132             case RCACHESW:
 133                 icachesw = &rcachesw;
 134                 goto do_cache;
 135             case WCACHESW:
 136                 icachesw = &wcachesw;
 137 do_cache:
 138                 if (!(cp = *argp++) || *cp == '-')
 139                     die("missing argument to %s", argp[-2]);
 140                 switch (*icachesw = smatch (cp, cache_policy)) {
 141                 case AMBIGSW:
 142                     ambigsw (cp, cache_policy);
 143                     done (1);
 144                 case UNKWNSW:
 145                     die("%s unknown", cp);
 146                 default:
 147                     break;
 148                 }
 149                 continue;
 150
 151             case CHECKSW:
 152                 checksw++;
 153                 continue;
 154             case NCHECKSW:
 155                 checksw = 0;
 156                 continue;
 157
 158             case PARTSW:
 159                 if (!(cp = *argp++) || *cp == '-')
 160                     die("missing argument to %s", argp[-2]);
 161                 if (npart >= NPARTS)
 162                     die("too many parts (starting with %s), %d max",
 163                            cp, NPARTS);
 164                 parts[npart++] = cp;
 165                 continue;
 166
 167             case TYPESW:
 168                 if (!(cp = *argp++) || *cp == '-')
 169                     die("missing argument to %s", argp[-2]);
 170                 if (ntype >= NTYPES)
 171                     die("too many types (starting with %s), %d max",
 172                            cp, NTYPES);
 173                 types[ntype++] = cp;
 174                 continue;
 175
 176             case PREFERSW:
 177                 if (!(cp = *argp++) || *cp == '-')
 178                     die("missing argument to %s", argp[-2]);
 179                 if (npreferred >= NPREFS)
 180                     die("too many preferred types (starting with %s), %d max",
 181                            cp, NPREFS);
 182                 mime_preference[npreferred].type = cp;
 183                 cp = strchr(cp, '/');
 184                 if (cp) *cp++ = '\0';
 185                 mime_preference[npreferred++].subtype = cp;
 186                 continue;
 187
 188             case NPREFERSW:
 189                 npreferred = 0;
 190                 continue;
 191
 192             case FILESW:
 193                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 194                     die("missing argument to %s", argp[-2]);
 195                 file = *cp == '-' ? cp : path (cp, TFILE);
 196                 continue;
 197
 198             case OUTFILESW:
 199                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 200                     die("missing argument to %s", argp[-2]);
 201                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 202                 continue;
 203
 204             case VERBSW:
 205                 verbosw = true;
 206                 continue;
 207             case NVERBSW:
 208                 verbosw = false;
 209                 continue;
 210             case CLOBBERSW:
 211                 if (!(cp = *argp++) || *cp == '-')
 212                     die("missing argument to %s", argp[-2]);
 213                 clobbersw = cp;
 214                 continue;
 215             case DEBUGSW:
 216                 debugsw = 1;
 217                 continue;
 218             }
 219         }
 220         if (*cp == '+' || *cp == '@') {
 221             if (folder)
 222                 die("only one folder at a time!");
 223             folder = pluspath (cp);
 224         } else
 225                 app_msgarg(&msgs, cp);
 226     }
 227
 228     /* null terminate the list of acceptable parts/types */
 229     parts[npart] = NULL;
 230     types[ntype] = NULL;
 231
 232     /*
 233      * Check if we've specified an additional profile
 234      */
 235     if ((cp = getenv ("MHSTORE"))) {
 236         if ((fp = fopen (cp, "r"))) {
 237             readconfig(NULL, fp, cp, 0);
 238             fclose (fp);
 239         } else {
 240             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 241         }
 242     }
 243
 244     /*
 245      * Read the standard profile setup
 246      */
 247     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 248         readconfig(NULL, fp, cp, 0);
 249         fclose (fp);
 250     }
 251
 252     /* Check for public cache location */
 253     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 254         cache_public = NULL;
 255
 256     /* Check for private cache location */
 257     if (!(cache_private = context_find (nmhprivcache)))
 258         cache_private = ".cache";
 259     cache_private = mh_xstrdup(m_maildir(cache_private));
 260
 261     /*
 262      * Cache the current directory before we do any chdirs()'s.
 263      */
 264     cwd = mh_xstrdup(pwd());
 265
 266     if (!context_find ("path"))
 267         free (path ("./", TFOLDER));
 268
 269     if (file && msgs.size)
 270         die("cannot specify msg and file at same time!");
 271
 272     /*
 273      * check if message is coming from file
 274      */
 275     if (file) {
 276         cts = mh_xcalloc(2, sizeof *cts);
 277         ctp = cts;
 278
 279         if ((ct = parse_mime (file))) {
 280             *ctp++ = ct;
 281             if (outfile) {
 282                 ct->c_storage = mh_xstrdup(outfile);
 283             }
 284         }
 285     } else {
 286         /*
 287          * message(s) are coming from a folder
 288          */
 289         if (!msgs.size)
 290             app_msgarg(&msgs, "cur");
 291         if (!folder)
 292             folder = getfolder (1);
 293         maildir = m_maildir (folder);
 294
 295         if (chdir (maildir) == NOTOK)
 296             adios (maildir, "unable to change directory to");
 297
 298         /* read folder and create message structure */
 299         if (!(mp = folder_read (folder, 1)))
 300             die("unable to read folder %s", folder);
 301
 302         /* check for empty folder */
 303         if (mp->nummsg == 0)
 304             die("no messages in %s", folder);
 305
 306         /* parse all the message ranges/sequences and set SELECTED */
 307         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 308             if (!m_convert (mp, msgs.msgs[msgnum]))
 309                 done (1);
 310         seq_setprev (mp);       /* set the previous-sequence */
 311
 312         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 313         ctp = cts;
 314
 315         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 316             if (is_selected(mp, msgnum)) {
 317                 char *msgnam;
 318
 319                 msgnam = m_name (msgnum);
 320                 if ((ct = parse_mime (msgnam))) {
 321                     *ctp++ = ct;
 322                     if (outfile) {
 323                         ct->c_storage = mh_xstrdup(outfile);
 324                     }
 325                 }
 326             }
 327         }
 328     }
 329
 330     if (!*cts)
 331         done (1);
 332
 333     userrs = true;
 334     SIGNAL (SIGQUIT, quitser);
 335     SIGNAL (SIGPIPE, pipeser);
 336
 337     /*
 338      * Get the associated umask for the relevant contents.
 339      */
 340     for (ctp = cts; *ctp; ctp++) {
 341         struct stat st;
 342
 343         ct = *ctp;
 344         if (type_ok (ct, 1) && !ct->c_umask) {
 345             if (stat (ct->c_file, &st) != NOTOK)
 346                 ct->c_umask = ~(st.st_mode & 0777);
 347             else
 348                 ct->c_umask = ~m_gmprot();
 349         }
 350     }
 351
 352     /*
 353      * Store the message content
 354      */
 355     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 356     store_all_messages (info);
 357     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 358     mhstoreinfo_free(info);
 359
 360     /* Now free all the structures for the content */
 361     for (ctp = cts; *ctp; ctp++)
 362         free_content (*ctp);
 363
 364     free (cts);
 365     cts = NULL;
 366
 367     /* If reading from a folder, do some updating */
 368     if (mp) {
 369         context_replace (pfolder, folder);/* update current folder  */
 370         seq_setcur (mp, mp->hghsel);      /* update current message */
 371         seq_save (mp);                    /* synchronize sequences  */
 372         context_save ();                  /* save the context file  */
 373     }
 374
 375     done (files_not_clobbered);
 376     return 1;
 377 }
 378
 379
 380 static void
 381 pipeser (int i)
 382 {
 383     if (i == SIGQUIT) {
 384         fflush (stdout);
 385         fprintf (stderr, "\n");
 386         fflush (stderr);
 387     }
 388
 389     done (1);
 390     /* NOTREACHED */
 391 }