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