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#if HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "mutt.h"
#ifndef STDC_HEADERS
int fclose ();
#endif
/* poor man's version of getdomainname() for systems where it does not return
* return the DNS domain, but the NIS domain.
*/
static void strip_trailing_dot (char *q)
{
char *p = q;
for (; *q; q++)
p = q;
if (*p == '.')
*p = '\0';
}
int getdnsdomainname (char *s, size_t l)
{
FILE *f;
char tmp[1024];
char *p = NULL;
char *q;
if ((f = fopen ("/etc/resolv.conf", "r")) == NULL) return (-1);
tmp[sizeof (tmp) - 1] = 0;
l--; /* save room for the terminal \0 */
while (fgets (tmp, sizeof (tmp) - 1, f) != NULL)
{
p = tmp;
while (ISSPACE (*p)) p++;
if (mutt_strncmp ("domain", p, 6) == 0 || mutt_strncmp ("search", p, 6) == 0)
{
p += 6;
for (q = strtok (p, " \t\n"); q; q = strtok (NULL, " \t\n"))
if (strcmp (q, "."))
break;
if (q)
{
strip_trailing_dot (q);
strfcpy (s, q, l);
safe_fclose (&f);
return 0;
}
}
}
safe_fclose (&f);
return (-1);
}
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