1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
* Copyright (C) 2009-2010 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tsdp_header_K.c
* @brief SDP "k=" header (Encryption Key).
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*
* @date Created: Iat Nov 8 16:54:58 2009 mdiop
*/
#include "tinysdp/headers/tsdp_header_K.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
#include "tsk_string.h"
#include <string.h>
/***********************************
* Ragel state machine.
*/
%%{
machine tsdp_machine_parser_header_K;
# Includes
include tsdp_machine_utils "./ragel/tsdp_machine_utils.rl";
action tag{
tag_start = p;
}
action parse_value{
TSK_PARSER_SET_STRING(hdr_K->value);
}
K = 'k' SP* "=" SP*<: any*>tag %parse_value;
# Entry point
main := K :>CRLF?;
}%%
tsdp_header_K_t* tsdp_header_K_create(const char* value)
{
return tsk_object_new(TSDP_HEADER_K_VA_ARGS(value));
}
tsdp_header_K_t* tsdp_header_K_create_null()
{
return tsdp_header_K_create(tsk_null);
}
int tsdp_header_K_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsdp_header_K_t *K = (const tsdp_header_K_t *)header;
if(K->value){
tsk_buffer_append(output, K->value, tsk_strlen(K->value));
}
return 0;
}
return -1;
}
tsdp_header_t* tsdp_header_K_clone(const tsdp_header_t* header)
{
if(header){
const tsdp_header_K_t *K = (const tsdp_header_K_t *)header;
return (tsdp_header_t*)tsdp_header_K_create(K->value);
}
return tsk_null;
}
tsdp_header_K_t *tsdp_header_K_parse(const char *data, tsk_size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsdp_header_K_t *hdr_K = tsdp_header_K_create_null();
const char *tag_start;
%%write data;
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse \"k=\" header.");
TSK_OBJECT_SAFE_FREE(hdr_K);
}
return hdr_K;
}
//========================================================
// K header object definition
//
static tsk_object_t* tsdp_header_K_ctor(tsk_object_t *self, va_list * app)
{
tsdp_header_K_t *K = self;
if(K){
TSDP_HEADER(K)->type = tsdp_htype_K;
TSDP_HEADER(K)->tostring = tsdp_header_K_tostring;
TSDP_HEADER(K)->clone = tsdp_header_K_clone;
TSDP_HEADER(K)->rank = TSDP_HTYPE_P_RANK;
K->value = tsk_strdup(va_arg(*app, const char*));
}
else{
TSK_DEBUG_ERROR("Failed to create new K header.");
}
return self;
}
static tsk_object_t* tsdp_header_K_dtor(tsk_object_t *self)
{
tsdp_header_K_t *K = self;
if(K){
TSK_FREE(K->value);
}
else{
TSK_DEBUG_ERROR("Null K header.");
}
return self;
}
static int tsdp_header_K_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
{
if(obj1 && obj2){
return tsdp_header_rank_cmp(obj1, obj2);
}
else{
return -1;
}
}
static const tsk_object_def_t tsdp_header_K_def_s =
{
sizeof(tsdp_header_K_t),
tsdp_header_K_ctor,
tsdp_header_K_dtor,
tsdp_header_K_cmp
};
const tsk_object_def_t *tsdp_header_K_def_t = &tsdp_header_K_def_s;
|
