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
|
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Mark Michelson <mmichelson@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
#include "asterisk.h"
#include <pjsip.h>
#include <pjlib.h>
#include "asterisk/res_pjsip.h"
#include "include/res_pjsip_private.h"
#include "asterisk/sorcery.h"
#include "asterisk/ast_version.h"
#define DEFAULT_MAX_FORWARDS 70
#define DEFAULT_USERAGENT_PREFIX "Asterisk PBX"
#define DEFAULT_OUTBOUND_ENDPOINT "default_outbound_endpoint"
static char default_useragent[128];
struct global_config {
SORCERY_OBJECT(details);
AST_DECLARE_STRING_FIELDS(
AST_STRING_FIELD(useragent);
AST_STRING_FIELD(default_outbound_endpoint);
/*! Debug logging yes|no|host */
AST_STRING_FIELD(debug);
);
/* Value to put in Max-Forwards header */
unsigned int max_forwards;
};
static void global_destructor(void *obj)
{
struct global_config *cfg = obj;
ast_string_field_free_memory(cfg);
}
static void *global_alloc(const char *name)
{
struct global_config *cfg = ast_sorcery_generic_alloc(sizeof(*cfg), global_destructor);
if (!cfg || ast_string_field_init(cfg, 80)) {
return NULL;
}
return cfg;
}
static int global_apply(const struct ast_sorcery *sorcery, void *obj)
{
struct global_config *cfg = obj;
char max_forwards[10];
snprintf(max_forwards, sizeof(max_forwards), "%u", cfg->max_forwards);
ast_sip_add_global_request_header("Max-Forwards", max_forwards, 1);
ast_sip_add_global_request_header("User-Agent", cfg->useragent, 1);
ast_sip_add_global_response_header("Server", cfg->useragent, 1);
return 0;
}
static struct global_config *get_global_cfg(void)
{
RAII_VAR(struct ao2_container *, globals, ast_sorcery_retrieve_by_fields(
ast_sip_get_sorcery(), "global", AST_RETRIEVE_FLAG_MULTIPLE,
NULL), ao2_cleanup);
if (!globals) {
return NULL;
}
return ao2_find(globals, NULL, 0);
}
char *ast_sip_global_default_outbound_endpoint(void)
{
RAII_VAR(struct global_config *, cfg, get_global_cfg(), ao2_cleanup);
if (!cfg) {
return NULL;
}
return ast_strdup(cfg->default_outbound_endpoint);
}
char *ast_sip_get_debug(void)
{
char *res;
struct global_config *cfg = get_global_cfg();
if (!cfg) {
return ast_strdup("no");
}
res = ast_strdup(cfg->debug);
ao2_ref(cfg, -1);
return res;
}
int ast_sip_initialize_sorcery_global(void)
{
struct ast_sorcery *sorcery = ast_sip_get_sorcery();
snprintf(default_useragent, sizeof(default_useragent), "%s %s", DEFAULT_USERAGENT_PREFIX, ast_get_version());
ast_sorcery_apply_default(sorcery, "global", "config", "pjsip.conf,criteria=type=global");
if (ast_sorcery_object_register(sorcery, "global", global_alloc, NULL, global_apply)) {
return -1;
}
ast_sorcery_object_field_register(sorcery, "global", "type", "", OPT_NOOP_T, 0, 0);
ast_sorcery_object_field_register(sorcery, "global", "max_forwards", __stringify(DEFAULT_MAX_FORWARDS),
OPT_UINT_T, 0, FLDSET(struct global_config, max_forwards));
ast_sorcery_object_field_register(sorcery, "global", "user_agent", default_useragent,
OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, useragent));
ast_sorcery_object_field_register(sorcery, "global", "default_outbound_endpoint", DEFAULT_OUTBOUND_ENDPOINT,
OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, default_outbound_endpoint));
ast_sorcery_object_field_register(sorcery, "global", "debug", "no",
OPT_STRINGFIELD_T, 0, STRFLDSET(struct global_config, debug));
return 0;
}
|
