Annotation of embedaddon/strongswan/src/conftest/hooks/unsort_message.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_unsort_message_t private_unsort_message_t;
19:
20: /**
21: * Private data of an unsort_message_t object.
22: */
23: struct private_unsort_message_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: * Order of payloads we want
42: */
43: char *order;
44: };
45:
46: METHOD(listener_t, message, bool,
47: private_unsort_message_t *this, ike_sa_t *ike_sa, message_t *message,
48: bool incoming, bool plain)
49: {
50: if (!incoming && plain &&
51: message->get_request(message) == this->req &&
52: message->get_message_id(message) == this->id)
53: {
54: enumerator_t *enumerator, *order;
55: linked_list_t *list;
56: payload_type_t type;
57: payload_t *payload;
58: char *name;
59:
60: list = linked_list_create();
61: enumerator = message->create_payload_enumerator(message);
62: while (enumerator->enumerate(enumerator, &payload))
63: {
64: message->remove_payload_at(message, enumerator);
65: list->insert_last(list, payload);
66: }
67: enumerator->destroy(enumerator);
68:
69: order = enumerator_create_token(this->order, ", ", " ");
70: while (order->enumerate(order, &name))
71: {
72: if (enum_from_name(payload_type_short_names, name, &type))
73: {
74: enumerator = list->create_enumerator(list);
75: while (enumerator->enumerate(enumerator, &payload))
76: {
77: if (payload->get_type(payload) == type)
78: {
79: list->remove_at(list, enumerator);
80: message->add_payload(message, payload);
81: }
82: }
83: enumerator->destroy(enumerator);
84: }
85: else
86: {
87: DBG1(DBG_CFG, "unknown payload to sort: '%s', skipped", name);
88: }
89: }
90: order->destroy(order);
91:
92: while (list->remove_first(list, (void**)&payload) == SUCCESS)
93: {
94: message->add_payload(message, payload);
95: }
96: list->destroy(list);
97:
98: message->disable_sort(message);
99: }
100: return TRUE;
101: }
102:
103: METHOD(hook_t, destroy, void,
104: private_unsort_message_t *this)
105: {
106: free(this);
107: }
108:
109: /**
110: * Create the IKE_AUTH fill hook
111: */
112: hook_t *unsort_message_hook_create(char *name)
113: {
114: private_unsort_message_t *this;
115:
116: INIT(this,
117: .hook = {
118: .listener = {
119: .message = _message,
120: },
121: .destroy = _destroy,
122: },
123: .req = conftest->test->get_bool(conftest->test,
124: "hooks.%s.request", TRUE, name),
125: .id = conftest->test->get_int(conftest->test,
126: "hooks.%s.id", 0, name),
127: .order = conftest->test->get_str(conftest->test,
128: "hooks.%s.order", "", name),
129: );
130:
131: return &this->hook;
132: }
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