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