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