diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/conftest/Makefile.am | 3 | ||||
| -rw-r--r-- | src/conftest/hooks/add_payload.c | 128 |
2 files changed, 130 insertions, 1 deletions
diff --git a/src/conftest/Makefile.am b/src/conftest/Makefile.am index a8cc7b435..3a3a45ec6 100644 --- a/src/conftest/Makefile.am +++ b/src/conftest/Makefile.am @@ -4,7 +4,8 @@ AM_CFLAGS = -rdynamic conftest_SOURCES = conftest.c conftest.h config.c config.h actions.c actions.h \ hooks/hook.h hooks/ike_auth_fill.c hooks/unsort_message.c \ - hooks/add_notify.c hooks/unencrypted_notify.c hooks/ignore_message.c + hooks/add_notify.c hooks/unencrypted_notify.c hooks/ignore_message.c \ + hooks/add_payload.c INCLUDES = \ -I$(top_srcdir)/src/libstrongswan \ diff --git a/src/conftest/hooks/add_payload.c b/src/conftest/hooks/add_payload.c new file mode 100644 index 000000000..132bac7c5 --- /dev/null +++ b/src/conftest/hooks/add_payload.c @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "hook.h" + +#include <encoding/payloads/unknown_payload.h> + +typedef struct private_add_payload_t private_add_payload_t; + +/** + * Private data of an add_payload_t object. + */ +struct private_add_payload_t { + + /** + * Implements the hook_t interface. + */ + hook_t hook; + + /** + * Alter requests or responses? + */ + bool req; + + /** + * ID of message to alter. + */ + int id; + + /** + * Payload type + */ + char *type; + + /** + * Payload data + */ + char *data; + + /** + * Set critical bit of the payload + */ + bool critical; +}; + +METHOD(listener_t, message, bool, + private_add_payload_t *this, ike_sa_t *ike_sa, message_t *message, + bool incoming) +{ + if (!incoming && + message->get_request(message) == this->req && + message->get_message_id(message) == this->id) + { + unknown_payload_t *payload; + chunk_t data = chunk_empty; + payload_type_t type; + + type = atoi(this->type); + if (!type) + { + type = enum_from_name(payload_type_short_names, this->type); + if (type == -1) + { + DBG1(DBG_CFG, "unknown payload: '%s', skipped", this->type); + return TRUE; + } + } + if (strncasecmp(this->data, "0x", 2) == 0) + { + data = chunk_skip(chunk_create(this->data, strlen(this->data)), 2); + data = chunk_from_hex(data, NULL); + } + else if (data.len) + { + data = chunk_clone(chunk_create(this->data, strlen(this->data))); + } + payload = unknown_payload_create_data(type, this->critical, data); + message->add_payload(message, &payload->payload_interface); + } + return TRUE; +} + +METHOD(hook_t, destroy, void, + private_add_payload_t *this) +{ + free(this); +} + +/** + * Create the IKE_AUTH fill hook + */ +hook_t *add_payload_hook_create(char *name) +{ + private_add_payload_t *this; + + INIT(this, + .hook = { + .listener = { + .message = _message, + }, + .destroy = _destroy, + }, + .req = conftest->test->get_bool(conftest->test, + "hooks.%s.request", TRUE, name), + .id = conftest->test->get_int(conftest->test, + "hooks.%s.id", 0, name), + .type = conftest->test->get_str(conftest->test, + "hooks.%s.type", "", name), + .data = conftest->test->get_str(conftest->test, + "hooks.%s.data", "", name), + .critical = conftest->test->get_bool(conftest->test, + "hooks.%s.critical", FALSE, name), + ); + + return &this->hook; +} |