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