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