s4: Changes the old occurences of "lp_realm" in "lp_dnsdomain" where needed

For KERBEROS applications the realm should be upcase (function "lp_realm") but
for DNS ones it should be used lowcase (function "lp_dnsdomain"). This patch
implements the use of both in the right way.

2 files changed, 9 insertions, 18 deletions

diff --git a/source4/auth/gensec/gensec_gssapi.c b/source4/auth/gensec/gensec_gssapi.c
index a23f913264b..2759ab41c30 100644
--- a/source4/auth/gensec/gensec_gssapi.c
+++ b/source4/auth/gensec/gensec_gssapi.c
@@ -147,6 +147,7 @@ static NTSTATUS gensec_gssapi_start(struct gensec_security *gensec_security)
 	struct gensec_gssapi_state *gensec_gssapi_state;
 	krb5_error_code ret;
 	struct gsskrb5_send_to_kdc send_to_kdc;
+	const char *realm;
 
 	gensec_gssapi_state = talloc(gensec_security, struct gensec_gssapi_state);
 	if (!gensec_gssapi_state) {
@@ -226,15 +227,10 @@ static NTSTATUS gensec_gssapi_start(struct gensec_security *gensec_security)
 		talloc_free(gensec_gssapi_state);
 		return NT_STATUS_INTERNAL_ERROR;
 	}
-	if (lp_realm(gensec_security->settings->lp_ctx) && *lp_realm(gensec_security->settings->lp_ctx)) {
-		char *upper_realm = strupper_talloc(gensec_gssapi_state, lp_realm(gensec_security->settings->lp_ctx));
-		if (!upper_realm) {
-			DEBUG(1,("gensec_krb5_start: could not uppercase realm: %s\n", lp_realm(gensec_security->settings->lp_ctx)));
-			talloc_free(gensec_gssapi_state);
-			return NT_STATUS_NO_MEMORY;
-		}
-		ret = gsskrb5_set_default_realm(upper_realm);
-		talloc_free(upper_realm);
+
+	realm = lp_realm(gensec_security->settings->lp_ctx);
+	if (realm != NULL) {
+		ret = gsskrb5_set_default_realm(realm);
 		if (ret) {
 			DEBUG(1,("gensec_krb5_start: gsskrb5_set_default_realm failed\n"));
 			talloc_free(gensec_gssapi_state);
diff --git a/source4/auth/kerberos/krb5_init_context.c b/source4/auth/kerberos/krb5_init_context.c
index 04f0718a62e..c00d7b16182 100644
--- a/source4/auth/kerberos/krb5_init_context.c
+++ b/source4/auth/kerberos/krb5_init_context.c
@@ -368,7 +368,7 @@ krb5_error_code smb_krb5_init_context(void *parent_ctx,
 	krb5_error_code ret;
 	TALLOC_CTX *tmp_ctx;
 	char **config_files;
-	const char *config_file;
+	const char *config_file, *realm;
 	
 	initialize_krb5_error_table();
 	
@@ -415,14 +415,9 @@ krb5_error_code smb_krb5_init_context(void *parent_ctx,
 		return ret;
 	}
 						
-	if (lp_realm(lp_ctx) && *lp_realm(lp_ctx)) {
-		char *upper_realm = strupper_talloc(tmp_ctx, lp_realm(lp_ctx));
-		if (!upper_realm) {
-			DEBUG(1,("gensec_krb5_start: could not uppercase realm: %s\n", lp_realm(lp_ctx)));
-			talloc_free(tmp_ctx);
-			return ENOMEM;
-		}
-		ret = krb5_set_default_realm((*smb_krb5_context)->krb5_context, upper_realm);
+	realm = lp_realm(lp_ctx);
+	if (realm != NULL) {
+		ret = krb5_set_default_realm((*smb_krb5_context)->krb5_context, realm);
 		if (ret) {
 			DEBUG(1,("krb5_set_default_realm failed (%s)\n", 
 				 smb_get_krb5_error_message((*smb_krb5_context)->krb5_context, ret, tmp_ctx)));