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