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/m_gmprot.h"
  10 #include "sbr/getarguments.h"
  11 #include "sbr/seq_setprev.h"
  12 #include "sbr/seq_setcur.h"
  13 #include "sbr/seq_save.h"
  14 #include "sbr/smatch.h"
  15 #include "sbr/m_convert.h"
  16 #include "sbr/getfolder.h"
  17 #include "sbr/folder_read.h"
  18 #include "sbr/context_save.h"
  19 #include "sbr/context_replace.h"
  20 #include "sbr/context_find.h"
  21 #include "sbr/readconfig.h"
  22 #include "sbr/ambigsw.h"
  23 #include "sbr/path.h"
  24 #include "sbr/print_version.h"
  25 #include "sbr/print_help.h"
  26 #include "sbr/error.h"
  27 #include <fcntl.h>
  28 #include "h/signals.h"
  29 #include "h/md5.h"
  30 #include "h/mts.h"
  31 #include "h/tws.h"
  32 #include "h/mime.h"
  33 #include "h/mhparse.h"
  34 #include "h/mhcachesbr.h"
  35 #include "h/done.h"
  36 #include "h/utils.h"
  37 #include "mhmisc.h"
  38 #include "sbr/m_maildir.h"
  39 #include "mhfree.h"
  40
  41 #define MHSTORE_SWITCHES \
  42     X("auto", 0, AUTOSW) \
  43     X("noauto", 0, NAUTOSW) \
  44     X("check", 0, CHECKSW) \
  45     X("nocheck", 0, NCHECKSW) \
  46     X("verbose", 0, VERBSW) \
  47     X("noverbose", 0, NVERBSW) \
  48     X("file file", 0, FILESW)           /* interface from show */ \
  49     X("outfile outfile", 0, OUTFILESW) \
  50     X("part number", 0, PARTSW) \
  51     X("type content", 0, TYPESW) \
  52     X("prefer content", 0, PREFERSW) \
  53     X("noprefer", 0, NPREFERSW) \
  54     X("rcache policy", 0, RCACHESW) \
  55     X("wcache policy", 0, WCACHESW) \
  56     X("version", 0, VERSIONSW) \
  57     X("help", 0, HELPSW) \
  58     X("clobber always|auto|suffix|ask|never", 0, CLOBBERSW) \
  59     X("debug", -5, DEBUGSW) \
  60
  61 #define X(sw, minchars, id) id,
  62 DEFINE_SWITCH_ENUM(MHSTORE);
  63 #undef X
  64
  65 #define X(sw, minchars, id) { sw, minchars, id },
  66 DEFINE_SWITCH_ARRAY(MHSTORE, switches);
  67 #undef X
  68
  69
  70 #define quitser pipeser
  71
  72 /* mhparse.c */
  73 int debugsw = 0;
  74
  75 /*
  76  * static prototypes
  77  */
  78 static void pipeser (int);
  79
  80
  81 int
  82 main (int argc, char **argv)
  83 {
  84     int msgnum, *icachesw;
  85     bool autosw = false;
  86     /* verbosw defaults to 1 for backward compatibility. */
  87     bool verbosw = true;
  88     const char *clobbersw = "always";
  89     char *cp, *file = NULL, *outfile = NULL, *folder = NULL;
  90     char *maildir, buf[100], **argp;
  91     char **arguments;
  92     char *cwd;
  93     struct msgs_array msgs = { 0, 0, NULL };
  94     struct msgs *mp = NULL;
  95     CT ct, *ctp;
  96     FILE *fp;
  97     int files_not_clobbered;
  98     mhstoreinfo_t info;
  99
 100     if (nmh_init(argv[0], true, true)) { return 1; }
 101
 102     set_done(freects_done);
 103
 104     arguments = getarguments (invo_name, argc, argv, 1);
 105     argp = arguments;
 106
 107     /*
 108      * Parse arguments
 109      */
 110     while ((cp = *argp++)) {
 111         if (*cp == '-') {
 112             switch (smatch (++cp, switches)) {
 113             case AMBIGSW:
 114                 ambigsw (cp, switches);
 115                 done (1);
 116             case UNKWNSW:
 117                 die("-%s unknown", cp);
 118
 119             case HELPSW:
 120                 snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
 121                         invo_name);
 122                 print_help (buf, switches, 1);
 123                 done (0);
 124             case VERSIONSW:
 125                 print_version(invo_name);
 126                 done (0);
 127
 128             case AUTOSW:
 129                 autosw = true;
 130                 continue;
 131             case NAUTOSW:
 132                 autosw = false;
 133                 continue;
 134
 135             case RCACHESW:
 136                 icachesw = &rcachesw;
 137                 goto do_cache;
 138             case WCACHESW:
 139                 icachesw = &wcachesw;
 140 do_cache:
 141                 if (!(cp = *argp++) || *cp == '-')
 142                     die("missing argument to %s", argp[-2]);
 143                 switch (*icachesw = smatch (cp, cache_policy)) {
 144                 case AMBIGSW:
 145                     ambigsw (cp, cache_policy);
 146                     done (1);
 147                 case UNKWNSW:
 148                     die("%s unknown", cp);
 149                 default:
 150                     break;
 151                 }
 152                 continue;
 153
 154             case CHECKSW:
 155                 checksw++;
 156                 continue;
 157             case NCHECKSW:
 158                 checksw = 0;
 159                 continue;
 160
 161             case PARTSW:
 162                 if (!(cp = *argp++) || *cp == '-')
 163                     die("missing argument to %s", argp[-2]);
 164                 if (npart >= NPARTS)
 165                     die("too many parts (starting with %s), %d max",
 166                            cp, NPARTS);
 167                 parts[npart++] = cp;
 168                 continue;
 169
 170             case TYPESW:
 171                 if (!(cp = *argp++) || *cp == '-')
 172                     die("missing argument to %s", argp[-2]);
 173                 if (ntype >= NTYPES)
 174                     die("too many types (starting with %s), %d max",
 175                            cp, NTYPES);
 176                 types[ntype++] = cp;
 177                 continue;
 178
 179             case PREFERSW:
 180                 if (!(cp = *argp++) || *cp == '-')
 181                     die("missing argument to %s", argp[-2]);
 182                 if (npreferred >= NPREFS)
 183                     die("too many preferred types (starting with %s), %d max",
 184                            cp, NPREFS);
 185                 mime_preference[npreferred].type = cp;
 186                 cp = strchr(cp, '/');
 187                 if (cp) *cp++ = '\0';
 188                 mime_preference[npreferred++].subtype = cp;
 189                 continue;
 190
 191             case NPREFERSW:
 192                 npreferred = 0;
 193                 continue;
 194
 195             case FILESW:
 196                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 197                     die("missing argument to %s", argp[-2]);
 198                 file = *cp == '-' ? cp : path (cp, TFILE);
 199                 continue;
 200
 201             case OUTFILESW:
 202                 if (!(cp = *argp++) || (*cp == '-' && cp[1]))
 203                     die("missing argument to %s", argp[-2]);
 204                 outfile = *cp == '-' ? cp : path (cp, TFILE);
 205                 continue;
 206
 207             case VERBSW:
 208                 verbosw = true;
 209                 continue;
 210             case NVERBSW:
 211                 verbosw = false;
 212                 continue;
 213             case CLOBBERSW:
 214                 if (!(cp = *argp++) || *cp == '-')
 215                     die("missing argument to %s", argp[-2]);
 216                 clobbersw = cp;
 217                 continue;
 218             case DEBUGSW:
 219                 debugsw = 1;
 220                 continue;
 221             }
 222         }
 223         if (*cp == '+' || *cp == '@') {
 224             if (folder)
 225                 die("only one folder at a time!");
 226             folder = pluspath (cp);
 227         } else
 228                 app_msgarg(&msgs, cp);
 229     }
 230
 231     /* null terminate the list of acceptable parts/types */
 232     parts[npart] = NULL;
 233     types[ntype] = NULL;
 234
 235     /*
 236      * Check if we've specified an additional profile
 237      */
 238     if ((cp = getenv ("MHSTORE"))) {
 239         if ((fp = fopen (cp, "r"))) {
 240             readconfig(NULL, fp, cp, 0);
 241             fclose (fp);
 242         } else {
 243             admonish ("", "unable to read $MHSTORE profile (%s)", cp);
 244         }
 245     }
 246
 247     /*
 248      * Read the standard profile setup
 249      */
 250     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 251         readconfig(NULL, fp, cp, 0);
 252         fclose (fp);
 253     }
 254
 255     /* Check for public cache location */
 256     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 257         cache_public = NULL;
 258
 259     /* Check for private cache location */
 260     if (!(cache_private = context_find (nmhprivcache)))
 261         cache_private = ".cache";
 262     cache_private = mh_xstrdup(m_maildir(cache_private));
 263
 264     /*
 265      * Cache the current directory before we do any chdirs()'s.
 266      */
 267     cwd = mh_xstrdup(pwd());
 268
 269     if (!context_find ("path"))
 270         free (path ("./", TFOLDER));
 271
 272     if (file && msgs.size)
 273         die("cannot specify msg and file at same time!");
 274
 275     /*
 276      * check if message is coming from file
 277      */
 278     if (file) {
 279         cts = mh_xcalloc(2, sizeof *cts);
 280         ctp = cts;
 281
 282         if ((ct = parse_mime (file))) {
 283             *ctp++ = ct;
 284             if (outfile) {
 285                 ct->c_storage = mh_xstrdup(outfile);
 286             }
 287         }
 288     } else {
 289         /*
 290          * message(s) are coming from a folder
 291          */
 292         if (!msgs.size)
 293             app_msgarg(&msgs, "cur");
 294         if (!folder)
 295             folder = getfolder (1);
 296         maildir = m_maildir (folder);
 297
 298         if (chdir (maildir) == NOTOK)
 299             adios (maildir, "unable to change directory to");
 300
 301         /* read folder and create message structure */
 302         if (!(mp = folder_read (folder, 1)))
 303             die("unable to read folder %s", folder);
 304
 305         /* check for empty folder */
 306         if (mp->nummsg == 0)
 307             die("no messages in %s", folder);
 308
 309         /* parse all the message ranges/sequences and set SELECTED */
 310         for (msgnum = 0; msgnum < msgs.size; msgnum++)
 311             if (!m_convert (mp, msgs.msgs[msgnum]))
 312                 done (1);
 313         seq_setprev (mp);       /* set the previous-sequence */
 314
 315         cts = mh_xcalloc(mp->numsel + 1, sizeof *cts);
 316         ctp = cts;
 317
 318         for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
 319             if (is_selected(mp, msgnum)) {
 320                 char *msgnam;
 321
 322                 msgnam = m_name (msgnum);
 323                 if ((ct = parse_mime (msgnam))) {
 324                     *ctp++ = ct;
 325                     if (outfile) {
 326                         ct->c_storage = mh_xstrdup(outfile);
 327                     }
 328                 }
 329             }
 330         }
 331     }
 332
 333     if (!*cts)
 334         done (1);
 335
 336     userrs = true;
 337     SIGNAL (SIGQUIT, quitser);
 338     SIGNAL (SIGPIPE, pipeser);
 339
 340     /*
 341      * Get the associated umask for the relevant contents.
 342      */
 343     for (ctp = cts; *ctp; ctp++) {
 344         struct stat st;
 345
 346         ct = *ctp;
 347         if (type_ok (ct, 1) && !ct->c_umask) {
 348             if (stat (ct->c_file, &st) != NOTOK)
 349                 ct->c_umask = ~(st.st_mode & 0777);
 350             else
 351                 ct->c_umask = ~m_gmprot();
 352         }
 353     }
 354
 355     /*
 356      * Store the message content
 357      */
 358     info = mhstoreinfo_create (cts, cwd, clobbersw, autosw, verbosw);
 359     store_all_messages (info);
 360     files_not_clobbered = mhstoreinfo_files_not_clobbered(info);
 361     mhstoreinfo_free(info);
 362
 363     /* Now free all the structures for the content */
 364     for (ctp = cts; *ctp; ctp++)
 365         free_content (*ctp);
 366
 367     free (cts);
 368     cts = NULL;
 369
 370     /* If reading from a folder, do some updating */
 371     if (mp) {
 372         context_replace (pfolder, folder);/* update current folder  */
 373         seq_setcur (mp, mp->hghsel);      /* update current message */
 374         seq_save (mp);                    /* synchronize sequences  */
 375         context_save ();                  /* save the context file  */
 376     }
 377
 378     done (files_not_clobbered);
 379     return 1;
 380 }
 381
 382
 383 static void
 384 pipeser (int i)
 385 {
 386     if (i == SIGQUIT) {
 387         fflush (stdout);
 388         fprintf (stderr, "\n");
 389         fflush (stderr);
 390     }
 391
 392     done (1);
 393     /* NOTREACHED */
 394 }