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

   1
   2 /*
   3  * mhparse.c -- misc routines to process MIME messages
   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 <h/mime.h>
  12 #include <h/mhparse.h>
  13 #include <h/utils.h>
  14
  15 extern int debugsw;
  16
  17 /*
  18  * limit actions to specified parts or content types
  19  */
  20 int npart = 0;
  21 int ntype = 0;
  22 char *parts[NPARTS + 1];
  23 char *types[NTYPES + 1];
  24
  25 int userrs = 0;
  26
  27 static char *errs = NULL;
  28
  29
  30 /*
  31  * prototypes
  32  */
  33 int part_ok (CT, int);
  34 int type_ok (CT, int);
  35 void content_error (char *, CT, char *, ...);
  36 void flush_errors (void);
  37
  38
  39 int
  40 part_ok (CT ct, int sP)
  41 {
  42     char **ap;
  43     int len;
  44
  45     if (npart == 0 || (ct->c_type == CT_MULTIPART && (sP || ct->c_subtype)))
  46         return 1;
  47
  48     for (ap = parts; *ap; ap++) {
  49         len = strlen(*ap);
  50         if (!strncmp (*ap, ct->c_partno, len) &&
  51                 (!ct->c_partno[len] || ct->c_partno[len] == '.' ))
  52             return 1;
  53     }
  54
  55     return 0;
  56 }
  57
  58
  59 int
  60 type_ok (CT ct, int sP)
  61 {
  62     char **ap;
  63     char buffer[BUFSIZ];
  64     CI ci = &ct->c_ctinfo;
  65
  66     if (ntype == 0 || (ct->c_type == CT_MULTIPART && (sP || ct->c_subtype)))
  67         return 1;
  68
  69     snprintf (buffer, sizeof(buffer), "%s/%s", ci->ci_type, ci->ci_subtype);
  70     for (ap = types; *ap; ap++)
  71         if (!strcasecmp (*ap, ci->ci_type) || !strcasecmp (*ap, buffer))
  72             return 1;
  73
  74     return 0;
  75 }
  76
  77
  78 int
  79 make_intermediates (char *file)
  80 {
  81     char *cp;
  82
  83     for (cp = file + 1; (cp = strchr(cp, '/')); cp++) {
  84         struct stat st;
  85
  86         *cp = '\0';
  87         if (stat (file, &st) == NOTOK) {
  88             int answer;
  89             char *ep;
  90             if (errno != ENOENT) {
  91                 advise (file, "error on directory");
  92 losing_directory:
  93                 *cp = '/';
  94                 return NOTOK;
  95             }
  96
  97             ep = concat ("Create directory \"", file, "\"? ", NULL);
  98             answer = getanswer (ep);
  99             free (ep);
 100
 101             if (!answer)
 102                 goto losing_directory;
 103             if (!makedir (file)) {
 104                 advise (NULL, "unable to create directory %s", file);
 105                 goto losing_directory;
 106             }
 107         }
 108
 109         *cp = '/';
 110     }
 111
 112     return OK;
 113 }
 114
 115
 116 /*
 117  * Construct error message for content
 118  */
 119
 120 void
 121 content_error (char *what, CT ct, char *fmt, ...)
 122 {
 123     va_list arglist;
 124     int i, len, buflen;
 125     char *bp, buffer[BUFSIZ];
 126     CI ci;
 127
 128     bp = buffer;
 129     buflen = sizeof(buffer);
 130
 131     if (userrs && invo_name && *invo_name) {
 132         snprintf (bp, buflen, "%s: ", invo_name);
 133         len = strlen (bp);
 134         bp += len;
 135         buflen -= len;
 136     }
 137
 138     va_start (arglist, fmt);
 139
 140     vsnprintf (bp, buflen, fmt, arglist);
 141     len = strlen (bp);
 142     bp += len;
 143     buflen -= len;
 144
 145     ci = &ct->c_ctinfo;
 146
 147     if (what) {
 148         char *s;
 149
 150         if (*what) {
 151             snprintf (bp, buflen, " %s: ", what);
 152             len = strlen (bp);
 153             bp += len;
 154             buflen -= len;
 155         }
 156
 157         if ((s = strerror (errno)))
 158             snprintf (bp, buflen, "%s", s);
 159         else
 160             snprintf (bp, buflen, "Error %d", errno);
 161
 162         len = strlen (bp);
 163         bp += len;
 164         buflen -= len;
 165     }
 166
 167     i = strlen (invo_name) + 2;
 168
 169     /* Now add content type and subtype */
 170     snprintf (bp, buflen, "\n%*.*s(content %s/%s", i, i, "",
 171         ci->ci_type, ci->ci_subtype);
 172     len = strlen (bp);
 173     bp += len;
 174     buflen -= len;
 175
 176     /* Now add the message/part number */
 177     if (ct->c_file) {
 178         snprintf (bp, buflen, " in message %s", ct->c_file);
 179         len = strlen (bp);
 180         bp += len;
 181         buflen -= len;
 182
 183         if (ct->c_partno) {
 184             snprintf (bp, buflen, ", part %s", ct->c_partno);
 185             len = strlen (bp);
 186             bp += len;
 187             buflen -= len;
 188         }
 189     }
 190
 191     snprintf (bp, buflen, ")");
 192     len = strlen (bp);
 193     bp += len;
 194     buflen -= len;
 195
 196     if (userrs) {
 197         *bp++ = '\n';
 198         *bp = '\0';
 199         buflen--;
 200
 201         errs = add (buffer, errs);
 202     } else {
 203         advise (NULL, "%s", buffer);
 204     }
 205 }
 206
 207
 208 void
 209 flush_errors (void)
 210 {
 211     if (errs) {
 212         fflush (stdout);
 213         fprintf (stderr, "%s", errs);
 214         free (errs);
 215         errs = NULL;
 216     }
 217 }