Annotation of embedaddon/strongswan/src/conftest/hooks/add_notify.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2010 Martin Willi
! 3: * Copyright (C) 2010 revosec AG
! 4: *
! 5: * This program is free software; you can redistribute it and/or modify it
! 6: * under the terms of the GNU General Public License as published by the
! 7: * Free Software Foundation; either version 2 of the License, or (at your
! 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
! 9: *
! 10: * This program is distributed in the hope that it will be useful, but
! 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
! 13: * for more details.
! 14: */
! 15:
! 16: #include "hook.h"
! 17:
! 18: typedef struct private_add_notify_t private_add_notify_t;
! 19:
! 20: /**
! 21: * Private data of an add_notify_t object.
! 22: */
! 23: struct private_add_notify_t {
! 24:
! 25: /**
! 26: * Implements the hook_t interface.
! 27: */
! 28: hook_t hook;
! 29:
! 30: /**
! 31: * Alter requests or responses?
! 32: */
! 33: bool req;
! 34:
! 35: /**
! 36: * ID of message to alter.
! 37: */
! 38: int id;
! 39:
! 40: /**
! 41: * Notify type
! 42: */
! 43: char *type;
! 44:
! 45: /**
! 46: * Notify data
! 47: */
! 48: char *data;
! 49:
! 50: /**
! 51: * SPI of notify
! 52: */
! 53: int spi;
! 54:
! 55: /**
! 56: * TRUE for a ESP protocol notify, FALSE for IKE
! 57: */
! 58: bool esp;
! 59: };
! 60:
! 61: METHOD(listener_t, message, bool,
! 62: private_add_notify_t *this, ike_sa_t *ike_sa, message_t *message,
! 63: bool incoming, bool plain)
! 64: {
! 65: if (!incoming && plain &&
! 66: message->get_request(message) == this->req &&
! 67: message->get_message_id(message) == this->id)
! 68: {
! 69: notify_type_t type;
! 70: notify_payload_t *notify;
! 71: chunk_t data = chunk_empty;
! 72:
! 73: type = atoi(this->type);
! 74: if (!type)
! 75: {
! 76: if (!enum_from_name(notify_type_names, this->type, &type))
! 77: {
! 78: DBG1(DBG_CFG, "unknown notify: '%s', skipped", this->type);
! 79: return TRUE;
! 80: }
! 81: }
! 82: if (strncaseeq(this->data, "0x", 2))
! 83: {
! 84: data = chunk_skip(chunk_create(this->data, strlen(this->data)), 2);
! 85: data = chunk_from_hex(data, NULL);
! 86: }
! 87: else if (strlen(this->data))
! 88: {
! 89: data = chunk_clone(chunk_create(this->data, strlen(this->data)));
! 90: }
! 91: notify = notify_payload_create_from_protocol_and_type(PLV2_NOTIFY,
! 92: this->esp ? PROTO_ESP : PROTO_IKE, type);
! 93: notify->set_spi(notify, this->spi);
! 94: if (data.len)
! 95: {
! 96: notify->set_notification_data(notify, data);
! 97: free(data.ptr);
! 98: }
! 99: message->add_payload(message, ¬ify->payload_interface);
! 100: }
! 101: return TRUE;
! 102: }
! 103:
! 104: METHOD(hook_t, destroy, void,
! 105: private_add_notify_t *this)
! 106: {
! 107: free(this);
! 108: }
! 109:
! 110: /**
! 111: * Create the IKE_AUTH fill hook
! 112: */
! 113: hook_t *add_notify_hook_create(char *name)
! 114: {
! 115: private_add_notify_t *this;
! 116:
! 117: INIT(this,
! 118: .hook = {
! 119: .listener = {
! 120: .message = _message,
! 121: },
! 122: .destroy = _destroy,
! 123: },
! 124: .req = conftest->test->get_bool(conftest->test,
! 125: "hooks.%s.request", TRUE, name),
! 126: .id = conftest->test->get_int(conftest->test,
! 127: "hooks.%s.id", 0, name),
! 128: .type = conftest->test->get_str(conftest->test,
! 129: "hooks.%s.type", "", name),
! 130: .data = conftest->test->get_str(conftest->test,
! 131: "hooks.%s.data", "", name),
! 132: .spi = conftest->test->get_int(conftest->test,
! 133: "hooks.%s.spi", 0, name),
! 134: .esp = conftest->test->get_bool(conftest->test,
! 135: "hooks.%s.esp", FALSE, name),
! 136: );
! 137:
! 138: return &this->hook;
! 139: }
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