Files
heimdal/lib/krb5/krbhst.c
Assar Westerlund 6a7c526452 (krb5_get_krbhst): Get all kdc's and try also with `kerberos.REALM'
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2303 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-07-14 14:39:23 +00:00

92 lines
1.7 KiB
C

#include "krb5_locl.h"
RCSID("$Id$");
krb5_error_code
krb5_get_krbhst (krb5_context context,
const krb5_realm *realm,
char ***hostlist)
{
char **res;
unsigned max, count;
krb5_config_binding *pointer;
char *r;
char *h;
krb5_boolean done;
char **tmp;
#ifdef USE_ASN1_PRINCIPAL
r = *realm;
#else
r = malloc (realm->length + 1);
strncpy (r, realm->data, realm->length);
r[realm->length] = '\0';
#endif
count = 0;
max = 10;
res = malloc(max * sizeof(*res));
if(res == NULL)
return KRB5_REALM_UNKNOWN;
pointer = NULL;
for(done = FALSE; !done;) {
char *h = (char *)krb5_config_get_next (context->cf,
&pointer,
STRING,
"realms",
r,
"kdc",
NULL);
if (count > max - 2) {
max += 10;
tmp = realloc (res, max * sizeof(*res));
if (tmp == NULL) {
res[count] = NULL;
free (r);
krb5_free_krbhst (context, res);
return KRB5_REALM_UNKNOWN;
}
res = tmp;
}
if (h == NULL) {
done = TRUE;
asprintf(&res[count], "kerberos.%s", r);
} else {
res[count] = strdup(h);
}
if (res[count] == NULL) {
free(r);
krb5_free_krbhst (context, res);
return KRB5_REALM_UNKNOWN;
}
++count;
}
#ifndef USE_ASN1_PRINCIPAL
free (r);
#endif
/* There should always be room for the NULL here */
res[count++] = NULL;
tmp = realloc (res, count * sizeof(*res));
if (tmp == NULL) {
krb5_free_krbhst (context, res);
return KRB5_REALM_UNKNOWN;
}
res = tmp;
*hostlist = res;
return 0;
}
krb5_error_code
krb5_free_krbhst (krb5_context context,
char **hostlist)
{
char **p;
for (p = hostlist; *p; ++p)
free (*p);
free (hostlist);
return 0;
}