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
177
178
179
180
181
182
183
184
185
|
/*
* asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Kevin Harwell <kharwell@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 <pjsip_simple.h>
#include <pjlib.h>
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/res_pjsip_presence_xml.h"
void ast_sip_sanitize_xml(const char *input, char *output, size_t len)
{
char *copy = ast_strdupa(input);
char *break_point;
size_t remaining = len - 1;
output[0] = '\0';
while ((break_point = strpbrk(copy, "<>\"&'\n\r")) && remaining) {
char to_escape = *break_point;
*break_point = '\0';
strncat(output, copy, remaining);
/* The strncat function will write remaining+1 if the string length is
* equal to or greater than the size provided to it. We take this into
* account by subtracting 1, which ensures that the NULL byte is written
* inside of the provided buffer.
*/
remaining = len - strlen(output) - 1;
switch (to_escape) {
case '<':
strncat(output, "<", remaining);
break;
case '>':
strncat(output, ">", remaining);
break;
case '"':
strncat(output, """, remaining);
break;
case '&':
strncat(output, "&", remaining);
break;
case '\'':
strncat(output, "'", remaining);
break;
case '\r':
strncat(output, " ", remaining);
break;
case '\n':
strncat(output, " ", remaining);
break;
};
copy = break_point + 1;
remaining = len - strlen(output) - 1;
}
/* Be sure to copy everything after the final bracket */
if (*copy && remaining) {
strncat(output, copy, remaining);
}
}
void ast_sip_presence_exten_state_to_str(int state, char **statestring, char **pidfstate,
char **pidfnote, enum ast_sip_pidf_state *local_state,
unsigned int notify_early_inuse_ringing)
{
switch (state) {
case AST_EXTENSION_RINGING:
*statestring = "early";
*local_state = NOTIFY_INUSE;
*pidfstate = "on-the-phone";
*pidfnote = "Ringing";
break;
case (AST_EXTENSION_INUSE | AST_EXTENSION_RINGING):
if (notify_early_inuse_ringing) {
*statestring = "early";
} else {
*statestring = "confirmed";
}
*local_state = NOTIFY_INUSE;
*pidfstate = "on-the-phone";
*pidfnote = "Ringing";
break;
case AST_EXTENSION_INUSE:
*statestring = "confirmed";
*local_state = NOTIFY_INUSE;
*pidfstate = "on-the-phone";
*pidfnote = "On the phone";
break;
case AST_EXTENSION_BUSY:
*statestring = "confirmed";
*local_state = NOTIFY_INUSE;
*pidfstate = "on-the-phone";
*pidfnote = "On the phone";
break;
case AST_EXTENSION_UNAVAILABLE:
*statestring = "terminated";
*local_state = NOTIFY_CLOSED;
*pidfstate = "--";
*pidfnote = "Unavailable";
break;
case AST_EXTENSION_ONHOLD:
*statestring = "confirmed";
*local_state = NOTIFY_INUSE;
*pidfstate = "on-the-phone";
*pidfnote = "On hold";
break;
case AST_EXTENSION_NOT_INUSE:
default:
/* Default setting */
*statestring = "terminated";
*local_state = NOTIFY_OPEN;
*pidfstate = "--";
*pidfnote = "Ready";
break;
}
}
pj_xml_attr *ast_sip_presence_xml_create_attr(pj_pool_t *pool,
pj_xml_node *node, const char *name, const char *value)
{
pj_xml_attr *attr = PJ_POOL_ALLOC_T(pool, pj_xml_attr);
pj_strdup2(pool, &attr->name, name);
pj_strdup2(pool, &attr->value, value);
pj_xml_add_attr(node, attr);
return attr;
}
pj_xml_node *ast_sip_presence_xml_create_node(pj_pool_t *pool,
pj_xml_node *parent, const char* name)
{
pj_xml_node *node = PJ_POOL_ALLOC_T(pool, pj_xml_node);
pj_list_init(&node->attr_head);
pj_list_init(&node->node_head);
pj_strdup2(pool, &node->name, name);
node->content.ptr = NULL;
node->content.slen = 0;
if (parent) {
pj_xml_add_node(parent, node);
}
return node;
}
void ast_sip_presence_xml_find_node_attr(pj_pool_t* pool,
pj_xml_node *parent, const char *node_name, const char *attr_name,
pj_xml_node **node, pj_xml_attr **attr)
{
pj_str_t name;
if (!(*node = pj_xml_find_node(parent, pj_cstr(&name, node_name)))) {
*node = ast_sip_presence_xml_create_node(pool, parent, node_name);
}
if (!(*attr = pj_xml_find_attr(*node, pj_cstr(&name, attr_name), NULL))) {
*attr = ast_sip_presence_xml_create_attr(pool, *node, attr_name, "");
}
}
|
