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(krb5_get_host_realm): make sure we don't recurse

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@18541 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-10-17 19:28:36 +00:00
parent e64422a116
commit af2fe63339
1 changed files with 7 additions and 6 deletions
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13
lib/krb5/get_host_realm.c
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@@ -217,9 +217,10 @@ _krb5_get_host_realm_int (krb5_context context,
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_host_realm(krb5_context context,
const char *host,
const char *targethost,
krb5_realm **realms)
{
const char *host = targethost;
char hostname[MAXHOSTNAMELEN];
krb5_error_code ret;
int use_dns;
@@ -239,11 +240,11 @@ krb5_get_host_realm(krb5_context context,
use_dns = (strchr(host, '.') != NULL);
ret = _krb5_get_host_realm_int (context, host, use_dns, realms);
if (ret) {
if (ret && targethost != NULL) {
/*
* If there was no realm mapping for the host guess at the
* local realm, maybe our KDC knows better then we do and we
* get a referral back.
* If there was no realm mapping for the host (and we wasn't
* looking for ourself), guess at the local realm, maybe our
* KDC knows better then we do and we get a referral back.
*/
ret = krb5_get_default_realms(context, realms);
if (ret) {
@@ -252,5 +253,5 @@ krb5_get_host_realm(krb5_context context,
return KRB5_ERR_HOST_REALM_UNKNOWN;
}
}
return 0;
return ret;
}