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/folder_read.h"
  10 #include "sbr/context_save.h"
  11 #include "sbr/context_replace.h"
  12 #include "sbr/context_find.h"
  13 #include "sbr/readconfig.h"
  14 #include "sbr/ambigsw.h"
  15 #include "sbr/path.h"
  16 #include "sbr/print_version.h"
  17 #include "sbr/print_help.h"
  18 #include "sbr/error.h"
  19 #include <fcntl.h>
  20 #include "h/signals.h"
  21 #include "h/md5.h"
  22 #include "h/mts.h"
  23 #include "h/tws.h"
  24 #include "h/mime.h"
  25 #include "h/mhparse.h"
  26 #include "h/mhcachesbr.h"
  27 #include "h/done.h"
  28 #include "h/utils.h"
  29 #include "mhmisc.h"
  30 #include "sbr/m_maildir.h"
  31 #include "mhfree.h"
  32
  33 #define MHSTORE_SWITCHES \
  34     X("auto", 0, AUTOSW) \
  35     X("noauto", 0, NAUTOSW) \
  36     X("check", 0, CHECKSW) \
  37     X("nocheck", 0, NCHECKSW) \
  38     X("verbose", 0, VERBSW) \
  39     X("noverbose", 0, NVERBSW) \
  40     X("file file", 0, FILESW)           /* interface from show */ \
  41     X("outfile outfile", 0, OUTFILESW) \
  42     X("part number", 0, PARTSW) \
  43     X("type content", 0, TYPESW) \
  44     X("prefer content", 0, PREFERSW) \
  45     X("noprefer", 0, NPREFERSW) \
  46     X("rcache policy", 0, RCACHESW) \
  47     X("wcache policy", 0, WCACHESW) \
  48     X("version", 0, VERSIONSW) \
  49     X("help", 0, HELPSW) \
  50     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  51     X("debug", -5, DEBUGSW) \
  52
  53 #define X(sw, minchars, id) id,
  54 DEFINE_SWITCH_ENUM(MHSTORE);
  55 #undef X
  56
  57 #define X(sw, minchars, id) { sw, minchars, id },
  58 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  59 #undef X
  60
  61
  62 #define quitser pipeser
  63
  64 /* mhparse.c */
  65 int debugsw = 0;
  66
  67 /*
  68  * static prototypes
  69  */
  70 static void pipeser (int);
  71
  72
  73 int
  74 main (int argc, char **argv)
  75 {
  76     int msgnum, *icachesw;
  77     bool autosw = false;
  78     /* verbosw defaults to 1 for backward compatibility. */
  79     bool verbosw = true;
  80     const char *clobbersw = "always";
  81     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  82     char *maildir, buf[100], **argp;
  83     char **arguments;
  84     char *cwd;
  85     struct msgs_array msgs = { 0, 0, NULL };
  86     struct msgs *mp = NULL;
  87     CT ct, *ctp;
  88     FILE *fp;
  89     int files_not_clobbered;
  90     mhstoreinfo_t info;
  91
  92     if (nmh_init(argv[0], true, true)) { return 1; }
  93
  94     set_done(freects_done);
  95
  96     arguments = getarguments (invo_name, argc, argv, 1);
  97     argp = arguments;
  98
  99     /*
 100      * Parse arguments
 101      */
 102     while ((cp = *argp++)) {
 103         if (*cp == '-') {
 104             switch (smatch (++cp, switches)) {
 105             case AMBIGSW:
 106                 ambigsw (cp, switches);
 107                 done (1);
 108             case UNKWNSW:
 109                 die("-%s unknown", cp);
 110
 111             case HELPSW:
 112                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 113                         invo_name);
 114                 print_help (buf, switches, 1);
 115                 done (0);
 116             case VERSIONSW:
 117                 print_version(invo_name);
 118                 done (0);
 119
 120             case AUTOSW:
 121                 autosw = true;
 122                 continue;
 123             case NAUTOSW:
 124                 autosw = false;
 125                 continue;
 126
 127             case RCACHESW:
 128                 icachesw = &rcachesw;
 129                 goto do_cache;
 130             case WCACHESW:
 131                 icachesw = &wcachesw;
 132 do_cache:
 133                 if (!(cp = *argp++) || *cp == '-')
 134                     die("missing argument to %s", argp[-2]);
 135                 switch (*icachesw = smatch (cp, cache_policy)) {
 136                 case AMBIGSW:
 137                     ambigsw (cp, cache_policy);
 138                     done (1);
 139                 case UNKWNSW:
 140                     die("%s unknown", cp);
 141                 default:
 142                     break;
 143                 }
 144                 continue;
 145
 146             case CHECKSW:
 147                 checksw++;
 148                 continue;
 149             case NCHECKSW:
 150                 checksw = 0;
 151                 continue;
 152
 153             case PARTSW:
 154                 if (!(cp = *argp++) || *cp == '-')
 155                     die("missing argument to %s", argp[-2]);
 156                 if (npart >= NPARTS)
 157                     die("too many parts (starting with %s), %d max",
 158                            cp, NPARTS);
 159                 parts[npart++] = cp;
 160                 continue;
 161
 162             case TYPESW:
 163                 if (!(cp = *argp++) || *cp == '-')
 164                     die("missing argument to %s", argp[-2]);
 165                 if (ntype >= NTYPES)
 166                     die("too many types (starting with %s), %d max",
 167                            cp, NTYPES);
 168                 types[ntype++] = cp;
 169                 continue;
 170
 171             case PREFERSW:
 172                 if (!(cp = *argp++) || *cp == '-')
 173                     die("missing argument to %s", argp[-2]);
 174                 if (npreferred >= NPREFS)
 175                     die("too many preferred types (starting with %s), %d max",
 176                            cp, NPREFS);
 177                 mime_preference[npreferred].type = cp;
 178                 cp = strchr(cp, '/');
 179                 if (cp) *cp++ = '\0';
 180                 mime_preference[npreferred++].subtype = cp;
 181                 continue;
 182
 183             case NPREFERSW:
 184                 npreferred = 0;
 185                 continue;
 186
 187             case FILESW:
 188                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 189                     die("missing argument to %s", argp[-2]);
 190                 file = *cp == '-' ? cp : path (cp, TFILE);
 191                 continue;
 192
 193             case OUTFILESW:
 194                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 195                     die("missing argument to %s", argp[-2]);
 196                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 197                 continue;
 198
 199             case VERBSW:
 200                 verbosw = true;
 201                 continue;
 202             case NVERBSW:
 203                 verbosw = false;
 204                 continue;
 205             case CLOBBERSW:
 206                 if (!(cp = *argp++) || *cp == '-')
 207                     die("missing argument to %s", argp[-2]);
 208                 clobbersw = cp;
 209                 continue;
 210             case DEBUGSW:
 211                 debugsw = 1;
 212                 continue;
 213             }
 214         }
 215         if (*cp == '+' || *cp == '@') {
 216             if (folder)
 217                 die("only one folder at a time!");
 218             folder = pluspath (cp);
 219         } else
 220                 app_msgarg(&msgs, cp);
 221     }
 222
 223     /* null terminate the list of acceptable parts/types */
 224     parts[npart] = NULL;
 225     types[ntype] = NULL;
 226
 227     /*
 228      * Check if we've specified an additional profile
 229      */
 230     if ((cp = getenv ("MHSTORE"))) {
 231         if ((fp = fopen (cp, "r"))) {
 232             readconfig(NULL, fp, cp, 0);
 233             fclose (fp);
 234         } else {
 235             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 236         }
 237     }
 238
 239     /*
 240      * Read the standard profile setup
 241      */
 242     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 243         readconfig(NULL, fp, cp, 0);
 244         fclose (fp);
 245     }
 246
 247     /* Check for public cache location */
 248     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 249         cache_public = NULL;
 250
 251     /* Check for private cache location */
 252     if (!(cache_private = context_find (nmhprivcache)))
 253         cache_private = ".cache";
 254     cache_private = mh_xstrdup(m_maildir(cache_private));
 255
 256     /*
 257      * Cache the current directory before we do any chdirs()'s.
 258      */
 259     cwd = mh_xstrdup(pwd());
 260
 261     if (!context_find ("path"))
 262         free (path ("./", TFOLDER));
 263
 264     if (file && msgs.size)
 265         die("cannot specify msg and file at same time!");
 266
 267     /*
 268      * check if message is coming from file
 269      */
 270     if (file) {
 271         cts = mh_xcalloc(2, sizeof *cts);
 272         ctp = cts;
 273
 274         if ((ct = parse_mime (file))) {
 275             *ctp++ = ct;
 276             if (outfile) {
 277                 ct->c_storage = mh_xstrdup(outfile);
 278             }
 279         }
 280     } else {
 281         /*
 282          * message(s) are coming from a folder
 283          */
 284         if (!msgs.size)
 285             app_msgarg(&msgs, "cur");
 286         if (!folder)
 287             folder = getfolder (1);
 288         maildir = m_maildir (folder);
 289
 290         if (chdir (maildir) == NOTOK)
 291             adios (maildir, "unable to change directory to");
 292
 293         /* read folder and create message structure */
 294         if (!(mp = folder_read (folder, 1)))
 295             die("unable to read folder %s", folder);
 296
 297         /* check for empty folder */
 298         if (mp->nummsg == 0)
 299             die("no messages in %s", folder);
 300
 301         /* parse all the message ranges/sequences and set SELECTED */
 302         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 303             if (!m_convert (mp, msgs.msgs[msgnum]))
 304                 done (1);
 305         seq_setprev (mp);       /* set the previous-sequence */
 306
 307         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 308         ctp = cts;
 309
 310         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 311             if (is_selected(mp, msgnum)) {
 312                 char *msgnam;
 313
 314                 msgnam = m_name (msgnum);
 315                 if ((ct = parse_mime (msgnam))) {
 316                     *ctp++ = ct;
 317                     if (outfile) {
 318                         ct->c_storage = mh_xstrdup(outfile);
 319                     }
 320                 }
 321             }
 322         }
 323     }
 324
 325     if (!*cts)
 326         done (1);
 327
 328     userrs = true;
 329     SIGNAL (SIGQUIT, quitser);
 330     SIGNAL (SIGPIPE, pipeser);
 331
 332     /*
 333      * Get the associated umask for the relevant contents.
 334      */
 335     for (ctp = cts; *ctp; ctp++) {
 336         struct stat st;
 337
 338         ct = *ctp;
 339         if (type_ok (ct, 1) && !ct->c_umask) {
 340             if (stat (ct->c_file, &st) != NOTOK)
 341                 ct->c_umask = ~(st.st_mode & 0777);
 342             else
 343                 ct->c_umask = ~m_gmprot();
 344         }
 345     }
 346
 347     /*
 348      * Store the message content
 349      */
 350     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 351     store_all_messages (info);
 352     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 353     mhstoreinfo_free(info);
 354
 355     /* Now free all the structures for the content */
 356     for (ctp = cts; *ctp; ctp++)
 357         free_content (*ctp);
 358
 359     free (cts);
 360     cts = NULL;
 361
 362     /* If reading from a folder, do some updating */
 363     if (mp) {
 364         context_replace (pfolder, folder);/* update current folder  */
 365         seq_setcur (mp, mp->hghsel);      /* update current message */
 366         seq_save (mp);                    /* synchronize sequences  */
 367         context_save ();                  /* save the context file  */
 368     }
 369
 370     done (files_not_clobbered);
 371     return 1;
 372 }
 373
 374
 375 static void
 376 pipeser (int i)
 377 {
 378     if (i == SIGQUIT) {
 379         fflush (stdout);
 380         fprintf (stderr, "\n");
 381         fflush (stderr);
 382     }
 383
 384     done (1);
 385     /* NOTREACHED */
 386 }