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