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