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

   1
   2 /*
   3  * mhbuild.c -- expand/translate MIME composition files
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <fcntl.h>
  14 #include <h/signals.h>
  15 #include <h/md5.h>
  16 #include <errno.h>
  17 #include <signal.h>
  18 #include <h/mts.h>
  19 #include <h/tws.h>
  20 #include <h/mime.h>
  21 #include <h/mhparse.h>
  22 #include <h/mhcachesbr.h>
  23 #include <h/utils.h>
  24
  25 #ifdef HAVE_SYS_WAIT_H
  26 # include <sys/wait.h>
  27 #endif
  28
  29 static struct swit switches[] = {
  30 #define CHECKSW                 0
  31     { "check", 0 },
  32 #define NCHECKSW                1
  33     { "nocheck", 0 },
  34 #define EBCDICSW                2
  35     { "ebcdicsafe", 0 },
  36 #define NEBCDICSW               3
  37     { "noebcdicsafe", 0 },
  38 #define HEADSW                  4
  39     { "headers", 0 },
  40 #define NHEADSW                 5
  41     { "noheaders", 0 },
  42 #define LISTSW                  6
  43     { "list", 0 },
  44 #define NLISTSW                 7
  45     { "nolist", 0 },
  46 #define SIZESW                  8
  47     { "realsize", 0 },
  48 #define NSIZESW                 9
  49     { "norealsize", 0 },
  50 #define RFC934SW               10
  51     { "rfc934mode", 0 },
  52 #define NRFC934SW              11
  53     { "norfc934mode", 0 },
  54 #define VERBSW                 12
  55     { "verbose", 0 },
  56 #define NVERBSW                13
  57     { "noverbose", 0 },
  58 #define RCACHESW               14
  59     { "rcache policy", 0 },
  60 #define WCACHESW               15
  61     { "wcache policy", 0 },
  62 #define CONTENTIDSW            16
  63     { "contentid", 0 },
  64 #define NCONTENTIDSW           17
  65     { "nocontentid", 0 },
  66 #define VERSIONSW              18
  67     { "version", 0 },
  68 #define HELPSW                 19
  69     { "help", 0 },
  70 #define DEBUGSW                20
  71     { "debug", -5 },
  72     { NULL, 0 }
  73 };
  74
  75
  76 /* mhbuildsbr.c */
  77 extern int checksw;
  78 extern char *tmp;       /* directory to place temp files */
  79
  80 /* mhcachesbr.c */
  81 extern int rcachesw;
  82 extern int wcachesw;
  83 extern char *cache_public;
  84 extern char *cache_private;
  85
  86 int debugsw = 0;
  87 int verbosw = 0;
  88
  89 int ebcdicsw = 0;
  90 int listsw   = 0;
  91 int rfc934sw = 0;
  92 int contentidsw = 1;
  93
  94 /*
  95  * Temporary files
  96  */
  97 static char infile[BUFSIZ];
  98 static int unlink_infile  = 0;
  99
 100 static char outfile[BUFSIZ];
 101 static int unlink_outfile = 0;
 102
 103 static void unlink_done (int);
 104
 105 /* mhbuildsbr.c */
 106 CT build_mime (char *);
 107 int output_message (CT, char *);
 108
 109 /* mhlistsbr.c */
 110 int list_all_messages (CT *, int, int, int, int);
 111
 112 /* mhmisc.c */
 113 void set_endian (void);
 114
 115 /* mhfree.c */
 116 void free_content (CT);
 117
 118
 119 int
 120 main (int argc, char **argv)
 121 {
 122     int sizesw = 1, headsw = 1;
 123     int *icachesw;
 124     char *cp, buf[BUFSIZ];
 125     char buffer[BUFSIZ], *compfile = NULL;
 126     char **argp, **arguments;
 127     CT ct, cts[2];
 128     FILE *fp;
 129
 130     done=unlink_done;
 131
 132 #ifdef LOCALE
 133     setlocale(LC_ALL, "");
 134 #endif
 135     invo_name = r1bindex (argv[0], '/');
 136
 137     /* read user profile/context */
 138     context_read();
 139
 140     arguments = getarguments (invo_name, argc, argv, 1);
 141     argp = arguments;
 142
 143     while ((cp = *argp++)) {
 144         if (cp[0] == '-' && cp[1] == '\0') {
 145             if (compfile)
 146                 adios (NULL, "cannot specify both standard input and a file");
 147             else
 148                 compfile = cp;
 149             listsw = 0;         /* turn off -list if using standard in/out */
 150             verbosw = 0;        /* turn off -verbose listings */
 151             break;
 152         }
 153         if (*cp == '-') {
 154             switch (smatch (++cp, switches)) {
 155             case AMBIGSW:
 156                 ambigsw (cp, switches);
 157                 done (1);
 158             case UNKWNSW:
 159                 adios (NULL, "-%s unknown", cp);
 160
 161             case HELPSW:
 162                 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
 163                 print_help (buf, switches, 1);
 164                 done (1);
 165             case VERSIONSW:
 166                 print_version(invo_name);
 167                 done (1);
 168
 169             case RCACHESW:
 170                 icachesw = &rcachesw;
 171                 goto do_cache;
 172             case WCACHESW:
 173                 icachesw = &wcachesw;
 174             do_cache: ;
 175                 if (!(cp = *argp++) || *cp == '-')
 176                     adios (NULL, "missing argument to %s", argp[-2]);
 177                 switch (*icachesw = smatch (cp, caches)) {
 178                 case AMBIGSW:
 179                     ambigsw (cp, caches);
 180                     done (1);
 181                 case UNKWNSW:
 182                     adios (NULL, "%s unknown", cp);
 183                 default:
 184                     break;
 185                 }
 186                 continue;
 187
 188             case CHECKSW:
 189                 checksw++;
 190                 continue;
 191             case NCHECKSW:
 192                 checksw = 0;
 193                 continue;
 194
 195             case EBCDICSW:
 196                 ebcdicsw++;
 197                 continue;
 198             case NEBCDICSW:
 199                 ebcdicsw = 0;
 200                 continue;
 201
 202             case HEADSW:
 203                 headsw++;
 204                 continue;
 205             case NHEADSW:
 206                 headsw = 0;
 207                 continue;
 208
 209             case LISTSW:
 210                 listsw++;
 211                 continue;
 212             case NLISTSW:
 213                 listsw = 0;
 214                 continue;
 215
 216             case RFC934SW:
 217                 rfc934sw++;
 218                 continue;
 219             case NRFC934SW:
 220                 rfc934sw = 0;
 221                 continue;
 222
 223             case SIZESW:
 224                 sizesw++;
 225                 continue;
 226             case NSIZESW:
 227                 sizesw = 0;
 228                 continue;
 229
 230             case CONTENTIDSW:
 231                 contentidsw = 1;
 232                 continue;
 233             case NCONTENTIDSW:
 234                 contentidsw = 0;
 235                 continue;
 236
 237             case VERBSW:
 238                 verbosw++;
 239                 continue;
 240             case NVERBSW:
 241                 verbosw = 0;
 242                 continue;
 243             case DEBUGSW:
 244                 debugsw = 1;
 245                 continue;
 246             }
 247         }
 248         if (compfile)
 249             adios (NULL, "only one composition file allowed");
 250         else
 251             compfile = cp;
 252     }
 253
 254     set_endian ();
 255
 256     if ((cp = getenv ("MM_NOASK")) && !strcmp (cp, "1"))
 257         listsw  = 0;
 258
 259     /*
 260      * Check if we've specified an additional profile
 261      */
 262     if ((cp = getenv ("MHBUILD"))) {
 263         if ((fp = fopen (cp, "r"))) {
 264             readconfig ((struct node **) 0, fp, cp, 0);
 265             fclose (fp);
 266         } else {
 267             admonish ("", "unable to read $MHBUILD profile (%s)", cp);
 268         }
 269     }
 270
 271     /*
 272      * Read the standard profile setup
 273      */
 274     if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
 275         readconfig ((struct node **) 0, fp, cp, 0);
 276         fclose (fp);
 277     }
 278
 279     /* Check for public cache location */
 280     if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
 281         cache_public = NULL;
 282
 283     /* Check for private cache location */
 284     if (!(cache_private = context_find (nmhprivcache)))
 285         cache_private = ".cache";
 286     cache_private = getcpy (m_maildir (cache_private));
 287
 288     /*
 289      * Check for storage directory.  If defined, we
 290      * will store temporary files there.  Else we
 291      * store them in standard nmh directory.
 292      */
 293     if ((cp = context_find (nmhstorage)) && *cp)
 294         tmp = concat (cp, "/", invo_name, NULL);
 295     else
 296         tmp = add (m_maildir (invo_name), NULL);
 297
 298     if (!context_find ("path"))
 299         free (path ("./", TFOLDER));
 300
 301     /* Check if we have a file to process */
 302     if (!compfile)
 303         adios (NULL, "need to specify a %s composition file", invo_name);
 304
 305     /*
 306      * Process the composition file from standard input.
 307      */
 308     if (compfile[0] == '-' && compfile[1] == '\0') {
 309
 310         /* copy standard input to temporary file */
 311         strncpy (infile, m_scratch ("", invo_name), sizeof(infile));
 312         if ((fp = fopen (infile, "w")) == NULL)
 313             adios (infile, "unable to open");
 314         while (fgets (buffer, BUFSIZ, stdin))
 315             fputs (buffer, fp);
 316         fclose (fp);
 317         unlink_infile = 1;
 318
 319         /* build the content structures for MIME message */
 320         ct = build_mime (infile);
 321         cts[0] = ct;
 322         cts[1] = NULL;
 323
 324         /* output MIME message to this temporary file */
 325         strncpy (outfile, m_scratch ("", invo_name), sizeof(outfile));
 326         unlink_outfile = 1;
 327
 328         /* output the message */
 329         output_message (ct, outfile);
 330
 331         /* output the temp file to standard output */
 332         if ((fp = fopen (outfile, "r")) == NULL)
 333             adios (outfile, "unable to open");
 334         while (fgets (buffer, BUFSIZ, fp))
 335             fputs (buffer, stdout);
 336         fclose (fp);
 337
 338         unlink (infile);
 339         unlink_infile = 0;
 340
 341         unlink (outfile);
 342         unlink_outfile = 0;
 343
 344         free_content (ct);
 345         done (0);
 346     }
 347
 348     /*
 349      * Process the composition file from a file.
 350      */
 351
 352     /* build the content structures for MIME message */
 353     ct = build_mime (compfile);
 354     cts[0] = ct;
 355     cts[1] = NULL;
 356
 357     /* output MIME message to this temporary file */
 358     strncpy (outfile, m_scratch (compfile, invo_name), sizeof(outfile));
 359     unlink_outfile = 1;
 360
 361     /* output the message */
 362     output_message (ct, outfile);
 363
 364     /*
 365      * List the message info
 366      */
 367     if (listsw)
 368         list_all_messages (cts, headsw, sizesw, verbosw, debugsw);
 369
 370     /* Rename composition draft */
 371     snprintf (buffer, sizeof(buffer), "%s.orig", m_backup (compfile));
 372     if (rename (compfile, buffer) == NOTOK)
 373         adios (compfile, "unable to rename %s to", buffer);
 374
 375     /* Rename output file to take its place */
 376     if (rename (outfile, compfile) == NOTOK) {
 377         advise (outfile, "unable to rename %s to", compfile);
 378         rename (buffer, compfile);
 379         done (1);
 380     }
 381     unlink_outfile = 0;
 382
 383     free_content (ct);
 384     done (0);
 385     return 1;
 386 }
 387
 388
 389 static void
 390 unlink_done (int status)
 391 {
 392     /*
 393      * Check if we need to remove stray
 394      * temporary files.
 395      */
 396     if (unlink_infile)
 397         unlink (infile);
 398     if (unlink_outfile)
 399         unlink (outfile);
 400
 401     exit (status);
 402 }