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 /* mhmisc.c */
 107 void set_endian (void);
 108
 109 /* mhfree.c */
 110 void free_content (CT);
 111
 112
 113 int
 114 main (int argc, char **argv)
 115 {
 116     int sizesw = 1, headsw = 1;
 117     int *icachesw;
 118     char *cp, buf[BUFSIZ];
 119     char buffer[BUFSIZ], *compfile = NULL;
 120     char **argp, **arguments;
 121     CT ct, cts[2];
 122     FILE *fp = NULL;
 123     FILE *fp_out = NULL;
 124
 125     done=unlink_done;
 126
 127 #ifdef LOCALE
 128     setlocale(LC_ALL, "");
 129 #endif
 130     invo_name = r1bindex (argv[0], '/');
 131
 132     /* read user profile/context */
 133     context_read();
 134
 135     arguments = getarguments (invo_name, argc, argv, 1);
 136     argp = arguments;
 137
 138     while ((cp = *argp++)) {
 139         if (cp[0] == '-' && cp[1] == '\0') {
 140             if (compfile)
 141                 adios (NULL, "cannot specify both standard input and a file");
 142             else
 143                 compfile = cp;
 144             listsw = 0;         /* turn off -list if using standard in/out */
 145             verbosw = 0;        /* turn off -verbose listings */
 146             break;
 147         }
 148         if (*cp == '-') {
 149             switch (smatch (++cp, switches)) {
 150             case AMBIGSW:
 151                 ambigsw (cp, switches);
 152                 done (1);
 153             case UNKWNSW:
 154                 adios (NULL, "-%s unknown", cp);
 155
 156             case HELPSW:
 157                 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
 158                 print_help (buf, switches, 1);
 159                 done (1);
 160             case VERSIONSW:
 161                 print_version(invo_name);
 162                 done (1);
 163
 164             case RCACHESW:
 165                 icachesw = &rcachesw;
 166                 goto do_cache;
 167             case WCACHESW:
 168                 icachesw = &wcachesw;
 169             do_cache: ;
 170                 if (!(cp = *argp++) || *cp == '-')
 171                     adios (NULL, "missing argument to %s", argp[-2]);
 172                 switch (*icachesw = smatch (cp, caches)) {
 173                 case AMBIGSW:
 174                     ambigsw (cp, caches);
 175                     done (1);
 176                 case UNKWNSW:
 177                     adios (NULL, "%s unknown", cp);
 178                 default:
 179                     break;
 180                 }
 181                 continue;
 182
 183             case CHECKSW:
 184                 checksw++;
 185                 continue;
 186             case NCHECKSW:
 187                 checksw = 0;
 188                 continue;
 189
 190             case EBCDICSW:
 191                 ebcdicsw++;
 192                 continue;
 193             case NEBCDICSW:
 194                 ebcdicsw = 0;
 195                 continue;
 196
 197             case HEADSW:
 198                 headsw++;
 199                 continue;
 200             case NHEADSW:
 201                 headsw = 0;
 202                 continue;
 203
 204             case LISTSW:
 205                 listsw++;
 206                 continue;
 207             case NLISTSW:
 208                 listsw = 0;
 209                 continue;
 210
 211             case RFC934SW:
 212                 rfc934sw++;
 213                 continue;
 214             case NRFC934SW:
 215                 rfc934sw = 0;
 216                 continue;
 217
 218             case SIZESW:
 219                 sizesw++;
 220                 continue;
 221             case NSIZESW:
 222                 sizesw = 0;
 223                 continue;
 224
 225             case CONTENTIDSW:
 226                 contentidsw = 1;
 227                 continue;
 228             case NCONTENTIDSW:
 229                 contentidsw = 0;
 230                 continue;
 231
 232             case VERBSW:
 233                 verbosw++;
 234                 continue;
 235             case NVERBSW:
 236                 verbosw = 0;
 237                 continue;
 238             case DEBUGSW:
 239                 debugsw = 1;
 240                 continue;
 241             }
 242         }
 243         if (compfile)
 244             adios (NULL, "only one composition file allowed");
 245         else
 246             compfile = cp;
 247     }
 248
 249     set_endian ();
 250
 251     if ((cp = getenv ("MM_NOASK")) && !strcmp (cp, "1"))
 252         listsw  = 0;
 253
 254     /*
 255      * Check if we've specified an additional profile
 256      */
 257     if ((cp = getenv ("MHBUILD"))) {
 258         if ((fp = fopen (cp, "r"))) {
 259             readconfig ((struct node **) 0, fp, cp, 0);
 260             fclose (fp);
 261         } else {
 262             admonish ("", "unable to read $MHBUILD profile (%s)", cp);
 263         }
 264     }
 265
 266     /*
 267      * Read the standard profile setup
 268      */
 269     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 270         readconfig ((struct node **) 0, fp, cp, 0);
 271         fclose (fp);
 272     }
 273
 274     /* Check for public cache location */
 275     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 276         cache_public = NULL;
 277
 278     /* Check for private cache location */
 279     if (!(cache_private = context_find (nmhprivcache)))
 280         cache_private = ".cache";
 281     cache_private = getcpy (m_maildir (cache_private));
 282
 283     /*
 284      * Check for storage directory.  If defined, we
 285      * will store temporary files there.  Else we
 286      * store them in standard nmh directory.
 287      */
 288     if ((cp = context_find (nmhstorage)) && *cp)
 289         tmp = concat (cp, "/", invo_name, NULL);
 290     else
 291         tmp = add (m_maildir (invo_name), NULL);
 292
 293     if (!context_find ("path"))
 294         free (path ("./", TFOLDER));
 295
 296     /* Check if we have a file to process */
 297     if (!compfile)
 298         adios (NULL, "need to specify a %s composition file", invo_name);
 299
 300     /*
 301      * Process the composition file from standard input.
 302      */
 303     if (compfile[0] == '-' && compfile[1] == '\0') {
 304         /* copy standard input to temporary file */
 305         strncpy (infile, m_mktemp(invo_name, NULL, &fp), sizeof(infile));
 306         while (fgets (buffer, BUFSIZ, stdin))
 307             fputs (buffer, fp);
 308         fclose (fp);
 309         unlink_infile = 1;
 310
 311         /* build the content structures for MIME message */
 312         ct = build_mime (infile);
 313         cts[0] = ct;
 314         cts[1] = NULL;
 315
 316         /* output MIME message to this temporary file */
 317         strncpy (outfile, m_mktemp(invo_name, NULL, &fp_out), sizeof(outfile));
 318         unlink_outfile = 1;
 319
 320         /* output the message */
 321         output_message_fp (ct, fp_out, outfile);
 322         fclose(fp_out);
 323
 324         /* output the temp file to standard output */
 325         if ((fp = fopen (outfile, "r")) == NULL)
 326             adios (outfile, "unable to open");
 327         while (fgets (buffer, BUFSIZ, fp))
 328             fputs (buffer, stdout);
 329         fclose (fp);
 330
 331         unlink (infile);
 332         unlink_infile = 0;
 333
 334         unlink (outfile);
 335         unlink_outfile = 0;
 336
 337         free_content (ct);
 338         done (0);
 339     }
 340
 341     /*
 342      * Process the composition file from a file.
 343      */
 344
 345     /* build the content structures for MIME message */
 346     ct = build_mime (compfile);
 347     cts[0] = ct;
 348     cts[1] = NULL;
 349
 350     /* output MIME message to this temporary file */
 351     strncpy(outfile, m_mktemp2(compfile, invo_name, NULL, &fp_out),
 352             sizeof(outfile));
 353     unlink_outfile = 1;
 354
 355     /* output the message */
 356     output_message_fp (ct, fp_out, outfile);
 357     fclose(fp_out);
 358
 359     /*
 360      * List the message info
 361      */
 362     if (listsw)
 363         list_all_messages (cts, headsw, sizesw, verbosw, debugsw);
 364
 365     /* Rename composition draft */
 366     snprintf (buffer, sizeof(buffer), "%s.orig", m_backup (compfile));
 367     if (rename (compfile, buffer) == NOTOK) {
 368         adios (compfile, "unable to rename comp draft %s to", buffer);
 369     }
 370
 371     /* Rename output file to take its place */
 372     if (rename (outfile, compfile) == NOTOK) {
 373         advise (outfile, "unable to rename output %s to", compfile);
 374         rename (buffer, compfile);
 375         done (1);
 376     }
 377     unlink_outfile = 0;
 378
 379     free_content (ct);
 380     done (0);
 381     return 1;
 382 }
 383
 384
 385 static void
 386 unlink_done (int status)
 387 {
 388     /*
 389      * Check if we need to remove stray
 390      * temporary files.
 391      */
 392     if (unlink_infile)
 393         unlink (infile);
 394     if (unlink_outfile)
 395         unlink (outfile);
 396
 397     exit (status);
 398 }