x509: Replace the comma separated string AC group builder with a list based one

src/libstrongswan/credentials/builder.c

@@ -38,7 +38,7 @@ ENUM(builder_part_names, BUILD_FROM_FILE, BUILD_END,
 	"BUILD_SERIAL",
 	"BUILD_DIGEST_ALG",
 	"BUILD_ENCRYPTION_ALG",
-	"BUILD_IETF_GROUP_ATTR",
+	"BUILD_AC_GROUP_STRINGS",
 	"BUILD_CA_CERT",
 	"BUILD_CERT",
 	"BUILD_CRL_DISTRIBUTION_POINTS",
@@ -72,4 +72,3 @@ ENUM(builder_part_names, BUILD_FROM_FILE, BUILD_END,
 	"BUILD_THRESHOLD",
 	"BUILD_END",
 );
-

src/libstrongswan/credentials/builder.h

@@ -87,8 +87,8 @@ enum builder_part_t {
 	BUILD_DIGEST_ALG,
 	/** encryption algorithm to use, encryption_algorithm_t */
 	BUILD_ENCRYPTION_ALG,
-	/** a comma-separated list of ietf group attributes, char* */
-	BUILD_IETF_GROUP_ATTR,
+	/** list of AC group memberships, linked_list_t* with char* */
+	BUILD_AC_GROUP_STRINGS,
 	/** a ca certificate, certificate_t* */
 	BUILD_CA_CERT,
 	/** a certificate, certificate_t* */

src/libstrongswan/plugins/x509/x509_ac.c

@@ -1065,15 +1065,15 @@ x509_ac_t *x509_ac_load(certificate_type_t type, va_list args)
 }
 
 /**
- * Parse a comma separated group list into AC group memberships
+ * Add groups from a list into AC group memberships
  */
-static void add_groups_from_string(private_x509_ac_t *this, char *str)
+static void add_groups_from_list(private_x509_ac_t *this, linked_list_t *list)
 {
 	enumerator_t *enumerator;
 	group_t *group;
 	char *name;
 
-	enumerator = enumerator_create_token(str, ",", " ");
+	enumerator = list->create_enumerator(list);
 	while (enumerator->enumerate(enumerator, &name))
 	{
 		INIT(group,
@@ -1106,8 +1106,8 @@ x509_ac_t *x509_ac_gen(certificate_type_t type, va_list args)
 			case BUILD_SERIAL:
 				ac->serialNumber = chunk_clone(va_arg(args, chunk_t));
 				continue;
-			case BUILD_IETF_GROUP_ATTR:
-				add_groups_from_string(ac, va_arg(args, char*));
+			case BUILD_AC_GROUP_STRINGS:
+				add_groups_from_list(ac, va_arg(args, linked_list_t*));
 				continue;
 			case BUILD_CERT:
 				ac->holderCert = va_arg(args, certificate_t*);

src/openac/openac.c

@@ -495,6 +495,18 @@ int main(int argc, char **argv)
 	if (userCert != NULL && signerCert != NULL && signerKey != NULL &&
 		outfile != NULL)
 	{
+		linked_list_t *group_list;
+		enumerator_t *enumerator;
+		char *group;
+
+		group_list = linked_list_create();
+		enumerator = enumerator_create_token(groups, ",", " ");
+		while (enumerator->enumerate(enumerator, &group))
+		{
+			group_list->insert_last(group_list, strdup(group));
+		}
+		enumerator->destroy(enumerator);
+
 		/* read the serial number and increment it by one */
 		serial = read_serial();
 
@@ -504,10 +516,11 @@ int main(int argc, char **argv)
 							BUILD_NOT_BEFORE_TIME, notBefore,
 							BUILD_NOT_AFTER_TIME, notAfter,
 							BUILD_SERIAL, serial,
-							BUILD_IETF_GROUP_ATTR, groups,
+							BUILD_AC_GROUP_STRINGS, group_list,
 							BUILD_SIGNING_CERT, signerCert,
 							BUILD_SIGNING_KEY, signerKey,
 							BUILD_END);
+		group_list->destroy_function(group_list, free);
 		if (!attr_cert)
 		{
 			goto end;