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