diplodocus.org Git - nmh/blob - uip/mhbuild.c

   1
   2 /*
   3  * mhbuild.c -- expand/translate MIME composition files
   4  *
   5  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   6  * COPYRIGHT file in the root directory of the nmh distribution for
   7  * complete copyright information.
   8  */
   9
  10 #include <h/mh.h>
  11 #include <fcntl.h>
  12 #include <h/signals.h>
  13 #include <h/md5.h>
  14 #include <errno.h>
  15 #include <signal.h>
  16 #include <h/mts.h>
  17 #include <h/tws.h>
  18 #include <h/mime.h>
  19 #include <h/mhparse.h>
  20 #include <h/mhcachesbr.h>
  21 #include <h/utils.h>
  22
  23 static struct swit switches[] = {
  24 #define CHECKSW                 0
  25     { "check", 0 },
  26 #define NCHECKSW                1
  27     { "nocheck", 0 },
  28 #define EBCDICSW                2
  29     { "ebcdicsafe", 0 },
  30 #define NEBCDICSW               3
  31     { "noebcdicsafe", 0 },
  32 #define HEADSW                  4
  33     { "headers", 0 },
  34 #define NHEADSW                 5
  35     { "noheaders", 0 },
  36 #define LISTSW                  6
  37     { "list", 0 },
  38 #define NLISTSW                 7
  39     { "nolist", 0 },
  40 #define SIZESW                  8
  41     { "realsize", 0 },
  42 #define NSIZESW                 9
  43     { "norealsize", 0 },
  44 #define RFC934SW               10
  45     { "rfc934mode", 0 },
  46 #define NRFC934SW              11
  47     { "norfc934mode", 0 },
  48 #define VERBSW                 12
  49     { "verbose", 0 },
  50 #define NVERBSW                13
  51     { "noverbose", 0 },
  52 #define RCACHESW               14
  53     { "rcache policy", 0 },
  54 #define WCACHESW               15
  55     { "wcache policy", 0 },
  56 #define CONTENTIDSW            16
  57     { "contentid", 0 },
  58 #define NCONTENTIDSW           17
  59     { "nocontentid", 0 },
  60 #define VERSIONSW              18
  61     { "version", 0 },
  62 #define HELPSW                 19
  63     { "help", 0 },
  64 #define DEBUGSW                20
  65     { "debug", -5 },
  66     { NULL, 0 }
  67 };
  68
  69
  70 /* mhbuildsbr.c */
  71 extern char *tmp;       /* directory to place temp files */
  72
  73 /* mhcachesbr.c */
  74 extern int rcachesw;
  75 extern int wcachesw;
  76 extern char *cache_public;
  77 extern char *cache_private;
  78
  79 int debugsw = 0;
  80 int verbosw = 0;
  81
  82 int ebcdicsw = 0;
  83 int listsw   = 0;
  84 int rfc934sw = 0;
  85 int contentidsw = 1;
  86
  87 /*
  88  * Temporary files
  89  */
  90 static char infile[BUFSIZ];
  91 static int unlink_infile  = 0;
  92
  93 static char outfile[BUFSIZ];
  94 static int unlink_outfile = 0;
  95
  96 static void unlink_done (int) NORETURN;
  97
  98 /* mhbuildsbr.c */
  99 CT build_mime (char *);
 100 int output_message (CT, char *);
 101 int output_message_fp (CT, FILE *, char*);
 102
 103 /* mhlistsbr.c */
 104 int list_all_messages (CT *, int, int, int, int);
 105
 106 /* mhfree.c */
 107 void free_content (CT);
 108
 109
 110 int
 111 main (int argc, char **argv)
 112 {
 113     int sizesw = 1, headsw = 1;
 114     int *icachesw;
 115     char *cp, buf[BUFSIZ];
 116     char buffer[BUFSIZ], *compfile = NULL;
 117     char **argp, **arguments;
 118     CT ct, cts[2];
 119     FILE *fp = NULL;
 120     FILE *fp_out = NULL;
 121
 122     done=unlink_done;
 123
 124 #ifdef LOCALE
 125     setlocale(LC_ALL, "");
 126 #endif
 127     invo_name = r1bindex (argv[0], '/');
 128
 129     /* read user profile/context */
 130     context_read();
 131
 132     arguments = getarguments (invo_name, argc, argv, 1);
 133     argp = arguments;
 134
 135     while ((cp = *argp++)) {
 136         if (cp[0] == '-' && cp[1] == '\0') {
 137             if (compfile)
 138                 adios (NULL, "cannot specify both standard input and a file");
 139             else
 140                 compfile = cp;
 141             listsw = 0;         /* turn off -list if using standard in/out */
 142             verbosw = 0;        /* turn off -verbose listings */
 143             break;
 144         }
 145         if (*cp == '-') {
 146             switch (smatch (++cp, switches)) {
 147             case AMBIGSW:
 148                 ambigsw (cp, switches);
 149                 done (1);
 150             case UNKWNSW:
 151                 adios (NULL, "-%s unknown", cp);
 152
 153             case HELPSW:
 154                 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
 155                 print_help (buf, switches, 1);
 156                 done (1);
 157             case VERSIONSW:
 158                 print_version(invo_name);
 159                 done (1);
 160
 161             case RCACHESW:
 162                 icachesw = &rcachesw;
 163                 goto do_cache;
 164             case WCACHESW:
 165                 icachesw = &wcachesw;
 166             do_cache: ;
 167                 if (!(cp = *argp++) || *cp == '-')
 168                     adios (NULL, "missing argument to %s", argp[-2]);
 169                 switch (*icachesw = smatch (cp, caches)) {
 170                 case AMBIGSW:
 171                     ambigsw (cp, caches);
 172                     done (1);
 173                 case UNKWNSW:
 174                     adios (NULL, "%s unknown", cp);
 175                 default:
 176                     break;
 177                 }
 178                 continue;
 179
 180             case CHECKSW:
 181                 checksw++;
 182                 continue;
 183             case NCHECKSW:
 184                 checksw = 0;
 185                 continue;
 186
 187             case EBCDICSW:
 188                 ebcdicsw++;
 189                 continue;
 190             case NEBCDICSW:
 191                 ebcdicsw = 0;
 192                 continue;
 193
 194             case HEADSW:
 195                 headsw++;
 196                 continue;
 197             case NHEADSW:
 198                 headsw = 0;
 199                 continue;
 200
 201             case LISTSW:
 202                 listsw++;
 203                 continue;
 204             case NLISTSW:
 205                 listsw = 0;
 206                 continue;
 207
 208             case RFC934SW:
 209                 rfc934sw++;
 210                 continue;
 211             case NRFC934SW:
 212                 rfc934sw = 0;
 213                 continue;
 214
 215             case SIZESW:
 216                 sizesw++;
 217                 continue;
 218             case NSIZESW:
 219                 sizesw = 0;
 220                 continue;
 221
 222             case CONTENTIDSW:
 223                 contentidsw = 1;
 224                 continue;
 225             case NCONTENTIDSW:
 226                 contentidsw = 0;
 227                 continue;
 228
 229             case VERBSW:
 230                 verbosw++;
 231                 continue;
 232             case NVERBSW:
 233                 verbosw = 0;
 234                 continue;
 235             case DEBUGSW:
 236                 debugsw = 1;
 237                 continue;
 238             }
 239         }
 240         if (compfile)
 241             adios (NULL, "only one composition file allowed");
 242         else
 243             compfile = cp;
 244     }
 245
 246     set_endian ();
 247
 248     if ((cp = getenv ("MM_NOASK")) && !strcmp (cp, "1"))
 249         listsw  = 0;
 250
 251     /*
 252      * Check if we've specified an additional profile
 253      */
 254     if ((cp = getenv ("MHBUILD"))) {
 255         if ((fp = fopen (cp, "r"))) {
 256             readconfig ((struct node **) 0, fp, cp, 0);
 257             fclose (fp);
 258         } else {
 259             admonish ("", "unable to read $MHBUILD profile (%s)", cp);
 260         }
 261     }
 262
 263     /*
 264      * Read the standard profile setup
 265      */
 266     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 267         readconfig ((struct node **) 0, fp, cp, 0);
 268         fclose (fp);
 269     }
 270
 271     /* Check for public cache location */
 272     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 273         cache_public = NULL;
 274
 275     /* Check for private cache location */
 276     if (!(cache_private = context_find (nmhprivcache)))
 277         cache_private = ".cache";
 278     cache_private = getcpy (m_maildir (cache_private));
 279
 280     /*
 281      * Check for storage directory.  If defined, we
 282      * will store temporary files there.  Else we
 283      * store them in standard nmh directory.
 284      */
 285     if ((cp = context_find (nmhstorage)) && *cp)
 286         tmp = concat (cp, "/", invo_name, NULL);
 287     else
 288         tmp = add (m_maildir (invo_name), NULL);
 289
 290     if (!context_find ("path"))
 291         free (path ("./", TFOLDER));
 292
 293     /* Check if we have a file to process */
 294     if (!compfile)
 295         adios (NULL, "need to specify a %s composition file", invo_name);
 296
 297     /*
 298      * Process the composition file from standard input.
 299      */
 300     if (compfile[0] == '-' && compfile[1] == '\0') {
 301         /* copy standard input to temporary file */
 302         strncpy (infile, m_mktemp(invo_name, NULL, &fp), sizeof(infile));
 303         while (fgets (buffer, BUFSIZ, stdin))
 304             fputs (buffer, fp);
 305         fclose (fp);
 306         unlink_infile = 1;
 307
 308         /* build the content structures for MIME message */
 309         ct = build_mime (infile);
 310         cts[0] = ct;
 311         cts[1] = NULL;
 312
 313         /* output MIME message to this temporary file */
 314         strncpy (outfile, m_mktemp(invo_name, NULL, &fp_out), sizeof(outfile));
 315         unlink_outfile = 1;
 316
 317         /* output the message */
 318         output_message_fp (ct, fp_out, outfile);
 319         fclose(fp_out);
 320
 321         /* output the temp file to standard output */
 322         if ((fp = fopen (outfile, "r")) == NULL)
 323             adios (outfile, "unable to open");
 324         while (fgets (buffer, BUFSIZ, fp))
 325             fputs (buffer, stdout);
 326         fclose (fp);
 327
 328         unlink (infile);
 329         unlink_infile = 0;
 330
 331         unlink (outfile);
 332         unlink_outfile = 0;
 333
 334         free_content (ct);
 335         done (0);
 336     }
 337
 338     /*
 339      * Process the composition file from a file.
 340      */
 341
 342     /* build the content structures for MIME message */
 343     ct = build_mime (compfile);
 344     cts[0] = ct;
 345     cts[1] = NULL;
 346
 347     /* output MIME message to this temporary file */
 348     strncpy(outfile, m_mktemp2(compfile, invo_name, NULL, &fp_out),
 349             sizeof(outfile));
 350     unlink_outfile = 1;
 351
 352     /* output the message */
 353     output_message_fp (ct, fp_out, outfile);
 354     fclose(fp_out);
 355
 356     /*
 357      * List the message info
 358      */
 359     if (listsw)
 360         list_all_messages (cts, headsw, sizesw, verbosw, debugsw);
 361
 362     /* Rename composition draft */
 363     snprintf (buffer, sizeof(buffer), "%s.orig", m_backup (compfile));
 364     if (rename (compfile, buffer) == NOTOK) {
 365         adios (compfile, "unable to rename comp draft %s to", buffer);
 366     }
 367
 368     /* Rename output file to take its place */
 369     if (rename (outfile, compfile) == NOTOK) {
 370         advise (outfile, "unable to rename output %s to", compfile);
 371         rename (buffer, compfile);
 372         done (1);
 373     }
 374     unlink_outfile = 0;
 375
 376     free_content (ct);
 377     done (0);
 378     return 1;
 379 }
 380
 381
 382 static void
 383 unlink_done (int status)
 384 {
 385     /*
 386      * Check if we need to remove stray
 387      * temporary files.
 388      */
 389     if (unlink_infile)
 390         unlink (infile);
 391     if (unlink_outfile)
 392         unlink (outfile);
 393
 394     exit (status);
 395 }