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/getarguments.h"
  10 #include "sbr/seq_setprev.h"
  11 #include "sbr/seq_setcur.h"
  12 #include "sbr/seq_save.h"
  13 #include "sbr/smatch.h"
  14 #include "sbr/m_convert.h"
  15 #include "sbr/getfolder.h"
  16 #include "sbr/folder_read.h"
  17 #include "sbr/context_save.h"
  18 #include "sbr/context_replace.h"
  19 #include "sbr/context_find.h"
  20 #include "sbr/readconfig.h"
  21 #include "sbr/ambigsw.h"
  22 #include "sbr/path.h"
  23 #include "sbr/print_version.h"
  24 #include "sbr/print_help.h"
  25 #include "sbr/error.h"
  26 #include <fcntl.h>
  27 #include "h/signals.h"
  28 #include "h/md5.h"
  29 #include "h/mts.h"
  30 #include "h/tws.h"
  31 #include "h/mime.h"
  32 #include "h/mhparse.h"
  33 #include "h/mhcachesbr.h"
  34 #include "h/done.h"
  35 #include "h/utils.h"
  36 #include "mhmisc.h"
  37 #include "sbr/m_maildir.h"
  38 #include "mhfree.h"
  39
  40 #define MHSTORE_SWITCHES \
  41     X("auto", 0, AUTOSW) \
  42     X("noauto", 0, NAUTOSW) \
  43     X("check", 0, CHECKSW) \
  44     X("nocheck", 0, NCHECKSW) \
  45     X("verbose", 0, VERBSW) \
  46     X("noverbose", 0, NVERBSW) \
  47     X("file file", 0, FILESW)           /* interface from show */ \
  48     X("outfile outfile", 0, OUTFILESW) \
  49     X("part number", 0, PARTSW) \
  50     X("type content", 0, TYPESW) \
  51     X("prefer content", 0, PREFERSW) \
  52     X("noprefer", 0, NPREFERSW) \
  53     X("rcache policy", 0, RCACHESW) \
  54     X("wcache policy", 0, WCACHESW) \
  55     X("version", 0, VERSIONSW) \
  56     X("help", 0, HELPSW) \
  57     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  58     X("debug", -5, DEBUGSW) \
  59
  60 #define X(sw, minchars, id) id,
  61 DEFINE_SWITCH_ENUM(MHSTORE);
  62 #undef X
  63
  64 #define X(sw, minchars, id) { sw, minchars, id },
  65 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  66 #undef X
  67
  68
  69 #define quitser pipeser
  70
  71 /* mhparse.c */
  72 int debugsw = 0;
  73
  74 /*
  75  * static prototypes
  76  */
  77 static void pipeser (int);
  78
  79
  80 int
  81 main (int argc, char **argv)
  82 {
  83     int msgnum, *icachesw;
  84     bool autosw = false;
  85     /* verbosw defaults to 1 for backward compatibility. */
  86     bool verbosw = true;
  87     const char *clobbersw = "always";
  88     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  89     char *maildir, buf[100], **argp;
  90     char **arguments;
  91     char *cwd;
  92     struct msgs_array msgs = { 0, 0, NULL };
  93     struct msgs *mp = NULL;
  94     CT ct, *ctp;
  95     FILE *fp;
  96     int files_not_clobbered;
  97     mhstoreinfo_t info;
  98
  99     if (nmh_init(argv[0], true, true)) { return 1; }
 100
 101     set_done(freects_done);
 102
 103     arguments = getarguments (invo_name, argc, argv, 1);
 104     argp = arguments;
 105
 106     /*
 107      * Parse arguments
 108      */
 109     while ((cp = *argp++)) {
 110         if (*cp == '-') {
 111             switch (smatch (++cp, switches)) {
 112             case AMBIGSW:
 113                 ambigsw (cp, switches);
 114                 done (1);
 115             case UNKWNSW:
 116                 die("-%s unknown", cp);
 117
 118             case HELPSW:
 119                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 120                         invo_name);
 121                 print_help (buf, switches, 1);
 122                 done (0);
 123             case VERSIONSW:
 124                 print_version(invo_name);
 125                 done (0);
 126
 127             case AUTOSW:
 128                 autosw = true;
 129                 continue;
 130             case NAUTOSW:
 131                 autosw = false;
 132                 continue;
 133
 134             case RCACHESW:
 135                 icachesw = &rcachesw;
 136                 goto do_cache;
 137             case WCACHESW:
 138                 icachesw = &wcachesw;
 139 do_cache:
 140                 if (!(cp = *argp++) || *cp == '-')
 141                     die("missing argument to %s", argp[-2]);
 142                 switch (*icachesw = smatch (cp, cache_policy)) {
 143                 case AMBIGSW:
 144                     ambigsw (cp, cache_policy);
 145                     done (1);
 146                 case UNKWNSW:
 147                     die("%s unknown", cp);
 148                 default:
 149                     break;
 150                 }
 151                 continue;
 152
 153             case CHECKSW:
 154                 checksw++;
 155                 continue;
 156             case NCHECKSW:
 157                 checksw = 0;
 158                 continue;
 159
 160             case PARTSW:
 161                 if (!(cp = *argp++) || *cp == '-')
 162                     die("missing argument to %s", argp[-2]);
 163                 if (npart >= NPARTS)
 164                     die("too many parts (starting with %s), %d max",
 165                            cp, NPARTS);
 166                 parts[npart++] = cp;
 167                 continue;
 168
 169             case TYPESW:
 170                 if (!(cp = *argp++) || *cp == '-')
 171                     die("missing argument to %s", argp[-2]);
 172                 if (ntype >= NTYPES)
 173                     die("too many types (starting with %s), %d max",
 174                            cp, NTYPES);
 175                 types[ntype++] = cp;
 176                 continue;
 177
 178             case PREFERSW:
 179                 if (!(cp = *argp++) || *cp == '-')
 180                     die("missing argument to %s", argp[-2]);
 181                 if (npreferred >= NPREFS)
 182                     die("too many preferred types (starting with %s), %d max",
 183                            cp, NPREFS);
 184                 mime_preference[npreferred].type = cp;
 185                 cp = strchr(cp, '/');
 186                 if (cp) *cp++ = '\0';
 187                 mime_preference[npreferred++].subtype = cp;
 188                 continue;
 189
 190             case NPREFERSW:
 191                 npreferred = 0;
 192                 continue;
 193
 194             case FILESW:
 195                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 196                     die("missing argument to %s", argp[-2]);
 197                 file = *cp == '-' ? cp : path (cp, TFILE);
 198                 continue;
 199
 200             case OUTFILESW:
 201                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 202                     die("missing argument to %s", argp[-2]);
 203                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 204                 continue;
 205
 206             case VERBSW:
 207                 verbosw = true;
 208                 continue;
 209             case NVERBSW:
 210                 verbosw = false;
 211                 continue;
 212             case CLOBBERSW:
 213                 if (!(cp = *argp++) || *cp == '-')
 214                     die("missing argument to %s", argp[-2]);
 215                 clobbersw = cp;
 216                 continue;
 217             case DEBUGSW:
 218                 debugsw = 1;
 219                 continue;
 220             }
 221         }
 222         if (*cp == '+' || *cp == '@') {
 223             if (folder)
 224                 die("only one folder at a time!");
 225             folder = pluspath (cp);
 226         } else
 227                 app_msgarg(&msgs, cp);
 228     }
 229
 230     /* null terminate the list of acceptable parts/types */
 231     parts[npart] = NULL;
 232     types[ntype] = NULL;
 233
 234     /*
 235      * Check if we've specified an additional profile
 236      */
 237     if ((cp = getenv ("MHSTORE"))) {
 238         if ((fp = fopen (cp, "r"))) {
 239             readconfig(NULL, fp, cp, 0);
 240             fclose (fp);
 241         } else {
 242             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 243         }
 244     }
 245
 246     /*
 247      * Read the standard profile setup
 248      */
 249     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 250         readconfig(NULL, fp, cp, 0);
 251         fclose (fp);
 252     }
 253
 254     /* Check for public cache location */
 255     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 256         cache_public = NULL;
 257
 258     /* Check for private cache location */
 259     if (!(cache_private = context_find (nmhprivcache)))
 260         cache_private = ".cache";
 261     cache_private = mh_xstrdup(m_maildir(cache_private));
 262
 263     /*
 264      * Cache the current directory before we do any chdirs()'s.
 265      */
 266     cwd = mh_xstrdup(pwd());
 267
 268     if (!context_find ("path"))
 269         free (path ("./", TFOLDER));
 270
 271     if (file && msgs.size)
 272         die("cannot specify msg and file at same time!");
 273
 274     /*
 275      * check if message is coming from file
 276      */
 277     if (file) {
 278         cts = mh_xcalloc(2, sizeof *cts);
 279         ctp = cts;
 280
 281         if ((ct = parse_mime (file))) {
 282             *ctp++ = ct;
 283             if (outfile) {
 284                 ct->c_storage = mh_xstrdup(outfile);
 285             }
 286         }
 287     } else {
 288         /*
 289          * message(s) are coming from a folder
 290          */
 291         if (!msgs.size)
 292             app_msgarg(&msgs, "cur");
 293         if (!folder)
 294             folder = getfolder (1);
 295         maildir = m_maildir (folder);
 296
 297         if (chdir (maildir) == NOTOK)
 298             adios (maildir, "unable to change directory to");
 299
 300         /* read folder and create message structure */
 301         if (!(mp = folder_read (folder, 1)))
 302             die("unable to read folder %s", folder);
 303
 304         /* check for empty folder */
 305         if (mp->nummsg == 0)
 306             die("no messages in %s", folder);
 307
 308         /* parse all the message ranges/sequences and set SELECTED */
 309         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 310             if (!m_convert (mp, msgs.msgs[msgnum]))
 311                 done (1);
 312         seq_setprev (mp);       /* set the previous-sequence */
 313
 314         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 315         ctp = cts;
 316
 317         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 318             if (is_selected(mp, msgnum)) {
 319                 char *msgnam;
 320
 321                 msgnam = m_name (msgnum);
 322                 if ((ct = parse_mime (msgnam))) {
 323                     *ctp++ = ct;
 324                     if (outfile) {
 325                         ct->c_storage = mh_xstrdup(outfile);
 326                     }
 327                 }
 328             }
 329         }
 330     }
 331
 332     if (!*cts)
 333         done (1);
 334
 335     userrs = true;
 336     SIGNAL (SIGQUIT, quitser);
 337     SIGNAL (SIGPIPE, pipeser);
 338
 339     /*
 340      * Get the associated umask for the relevant contents.
 341      */
 342     for (ctp = cts; *ctp; ctp++) {
 343         struct stat st;
 344
 345         ct = *ctp;
 346         if (type_ok (ct, 1) && !ct->c_umask) {
 347             if (stat (ct->c_file, &st) != NOTOK)
 348                 ct->c_umask = ~(st.st_mode & 0777);
 349             else
 350                 ct->c_umask = ~m_gmprot();
 351         }
 352     }
 353
 354     /*
 355      * Store the message content
 356      */
 357     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 358     store_all_messages (info);
 359     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 360     mhstoreinfo_free(info);
 361
 362     /* Now free all the structures for the content */
 363     for (ctp = cts; *ctp; ctp++)
 364         free_content (*ctp);
 365
 366     free (cts);
 367     cts = NULL;
 368
 369     /* If reading from a folder, do some updating */
 370     if (mp) {
 371         context_replace (pfolder, folder);/* update current folder  */
 372         seq_setcur (mp, mp->hghsel);      /* update current message */
 373         seq_save (mp);                    /* synchronize sequences  */
 374         context_save ();                  /* save the context file  */
 375     }
 376
 377     done (files_not_clobbered);
 378     return 1;
 379 }
 380
 381
 382 static void
 383 pipeser (int i)
 384 {
 385     if (i == SIGQUIT) {
 386         fflush (stdout);
 387         fprintf (stderr, "\n");
 388         fflush (stderr);
 389     }
 390
 391     done (1);
 392     /* NOTREACHED */
 393 }