media/webrtc/signaling/src/sipcc/plat/common/dns_utils.c@ac0c01689b40
media/webrtc/signaling/src/sipcc/plat/common/dns_utils.c
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 #include "cpr_ipc.h"
6 #include "cpr_types.h"
8 #ifndef SIP_OS_WINDOWS
9 #include "netdb.h"
10 #include "arpa/inet.h"
11 #endif
13 #include "dns_utils.h"
14 #include "phone_debug.h"
15 #include "util_string.h"
17 #ifdef SIP_OS_WINDOWS
18 cc_int32_t
19 dnsGetHostByName (const char *hname,
20 cpr_ip_addr_t *ipaddr_ptr,
21 cc_int32_t timeout,
22 cc_int32_t retries)
23 {
24 return DNS_ERR_NOHOST;
25 }
26 #else
27 /*
28 * dnsGetHostByName
29 *
30 * DESCRIPTION: Perform an DNS lookup of the name specified
31 *
32 * RETURNS: returns 0 for success or DNS_ERR_NOHOST
33 *
34 */
35 cc_int32_t
36 dnsGetHostByName (const char *hname,
37 cpr_ip_addr_t *ipaddr_ptr,
38 cc_int32_t timeout,
39 cc_int32_t retries)
40 {
41 uint32_t ip_address;
42 struct hostent *dns_response;
43 #ifdef IPV6_STACK_ENABLED
44 uint32_t err;
45 uint16_t ip_valid;
46 char ip_addr[MAX_IPADDR_STR_LEN];
47 struct addrinfo hints, *result;
48 struct sockaddr sa;
49 #endif
51 #ifdef IPV6_STACK_ENABLED
52 /* Check if the IPv6 address */
53 ip_valid = cpr_inet_pton(AF_INET6, hname, ip_addr);
55 if (ip_valid) {
56 ipaddr_ptr->type = CPR_IP_ADDR_IPV6;
57 cpr_memcopy(ipaddr_ptr->u.ip6.addr.base8, ip_addr, 16);
58 return(0);
59 }
60 #endif
62 ip_address = inet_addr(hname);
63 if (ip_address != INADDR_NONE) {
64 ipaddr_ptr->u.ip4 = ip_address;
65 ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
66 return 0;
67 } else {
69 #ifdef IPV6_STACK_ENABLED
70 memset(&hints, 0, sizeof(hints));
71 hints.ai_family = PF_INET6;
72 err = getaddrinfo(hname, NULL, &hints, &result);
74 if (err) {
75 return DNS_ERR_NOHOST;
77 }
79 while (result) {
80 sa = result->ai_addr;
81 if (sa->family == AF_INET) {
82 ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
83 ip_addr->u.ip4 = ((cpr_sockaddr_in_t *)from)->sin_addr.s_addr;
85 } else if (sa->family == AF_INET6) {
87 //Todo IPv6: Add getaddrinfo() functioncall to get the IPv6 address.
88 ipaddr_ptr->type = CPR_IP_ADDR_IPV6;
89 ip_addr->u.ip6 = ((cpr_sockaddr_in6_t *)sa)->sin6_addr;
90 }
91 }
93 freeaddrinfo(result);
94 #endif
96 dns_response = gethostbyname(hname);
97 if (dns_response) {
98 ipaddr_ptr->u.ip4 = *(uint32_t *) dns_response->h_addr_list[0];
99 ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
100 return 0;
101 }
104 }
105 return DNS_ERR_NOHOST;
106 }
108 #endif
110 #ifdef SIP_OS_WINDOWS
112 cc_int32_t
113 dnsGetHostBySRV (cc_int8_t *service,
114 cc_int8_t *protocol,
115 cc_int8_t *domain,
116 cpr_ip_addr_t *ipaddr_ptr,
117 cc_uint16_t *port,
118 cc_int32_t timeout,
119 cc_int32_t retries,
120 srv_handle_t *psrv_handle)
121 {
122 return DNS_ERR_NOHOST;
123 }
125 #else
126 /*
127 * dnsGetHostBySRV
128 *
129 * DESCRIPTION: This function calls the dns api to
130 * perform a dns srv query
131 *
132 * RETURNS: returns 0 for success or
133 * DNS_ERR_NOHOST, DNS_ERR_HOST_UNAVAIL
134 *
135 */
136 cc_int32_t
137 dnsGetHostBySRV (cc_int8_t *service,
138 cc_int8_t *protocol,
139 cc_int8_t *domain,
140 cpr_ip_addr_t *ipaddr_ptr,
141 cc_uint16_t *port,
142 cc_int32_t timeout,
143 cc_int32_t retries,
144 srv_handle_t *psrv_handle)
145 {
146 uint32_t ip_address;
149 ip_address = inet_addr(domain);
150 if (ip_address != INADDR_NONE) {
151 ipaddr_ptr->u.ip4 = ip_address;
152 ipaddr_ptr->type = CPR_IP_ADDR_IPV4;
153 return 0;
154 }
156 return DNS_ERR_NOBUF; /* not yet implemented */
157 }
158 #endif
160 void
161 dnsFreeSrvHandle (srv_handle_t srv_handle)
162 {
163 // this function does nothing
164 // srv_handle = NULL;
165 }
