From 6a7c52645208d70079072ed5908c3e676387e989 Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Mon, 14 Jul 1997 14:39:23 +0000
Subject: [PATCH] (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
---
 lib/krb5/krbhst.c | 69 ++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 56 insertions(+), 13 deletions(-)

diff --git a/lib/krb5/krbhst.c b/lib/krb5/krbhst.c
index 549de880c..7614dedd3 100644
--- a/lib/krb5/krbhst.c
+++ b/lib/krb5/krbhst.c
@@ -7,8 +7,13 @@ krb5_get_krbhst (krb5_context context,
 		 const krb5_realm *realm,
 		 char ***hostlist)
 {
-     char *r;
-     const char *val;
+    char **res;
+    unsigned max, count;
+    krb5_config_binding *pointer;
+    char *r;
+    char *h;
+    krb5_boolean done;
+    char **tmp;
 
 #ifdef USE_ASN1_PRINCIPAL
      r = *realm;
@@ -18,21 +23,59 @@ krb5_get_krbhst (krb5_context context,
      r[realm->length] = '\0';
 #endif
 
-     val = krb5_config_get_string (context->cf,
-				   "realms",
-				   r,
-				   "kdc",
-				   NULL);
+    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
-     if (val == NULL)
-	 return KRB5_REALM_UNKNOWN;
 
-     *hostlist = malloc (2 * sizeof (char *));
-     (*hostlist)[0] = strdup(val);
-     (*hostlist)[1] = NULL;
-     return 0;
+    /* 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