Annotation of embedaddon/strongswan/src/conftest/hooks/add_notify.c, revision 1.1.1.1
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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