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(srv_find_realm): make sure res' and count' have good values

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@15200 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-05-20 09:07:18 +00:00
parent 305ca701d3
commit ea49018330
1 changed files with 5 additions and 4 deletions
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9
lib/krb5/krbhst.c
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@@ -66,6 +66,9 @@ srv_find_realm(krb5_context context, krb5_krbhst_info ***res, int *count,
int proto_num;
int def_port;
*res = NULL;
*count = 0;
proto_num = string_to_proto(proto);
if(proto_num < 0) {
krb5_set_error_string(context, "unknown protocol `%s'", proto);
@@ -82,11 +85,8 @@ srv_find_realm(krb5_context context, krb5_krbhst_info ***res, int *count,
snprintf(domain, sizeof(domain), "_%s._%s.%s.", service, proto, realm);
r = dns_lookup(domain, dns_type);
if(r == NULL) {
*res = NULL;
*count = 0;
if(r == NULL)
return KRB5_KDC_UNREACH;
}
for(num_srv = 0, rr = r->head; rr; rr = rr->next)
if(rr->type == T_SRV)
@@ -112,6 +112,7 @@ srv_find_realm(krb5_context context, krb5_krbhst_info ***res, int *count,
while(--num_srv >= 0)
free((*res)[num_srv]);
free(*res);
*res = NULL;
return ENOMEM;
}
(*res)[num_srv++] = hi;