4 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
6 * Contact: Jayoun Lee <airjany@samsung.com>, Sewook Park <sewook7.park@samsung.com>, Jaeho Lee <jaeho81.lee@samsung.com>
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
23 #include <sys/types.h>
35 static int __connect_client_sock(int sockfd, const struct sockaddr *saptr, socklen_t salen,
38 static inline void __set_sock_option(int fd, int cli)
41 struct timeval tv = { 5, 200 * 1000 }; /* 5.2 sec */
43 size = AC_SOCK_MAXBUFF;
44 setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &size, sizeof(size));
45 setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
47 setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
50 int _create_server_sock()
52 struct sockaddr_un saddr;
55 fd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
56 /* support above version 2.6.27*/
59 fd = socket(AF_UNIX, SOCK_STREAM, 0);
61 _E("second chance - socket create error");
70 bzero(&saddr, sizeof(saddr));
71 saddr.sun_family = AF_UNIX;
72 snprintf(saddr.sun_path, UNIX_PATH_MAX, "%s",AC_SOCK_NAME);
73 unlink(saddr.sun_path);
75 if (bind(fd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) {
80 if (chmod(saddr.sun_path, (S_IRWXU | S_IRWXG | S_IRWXO)) < 0) {
81 /* Flawfinder: ignore*/
82 _E("failed to change the socket permission");
86 __set_sock_option(fd, 0);
88 if (listen(fd, 10) == -1) {
96 int _create_client_sock()
99 struct sockaddr_un saddr = { 0, };
103 fd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
104 /* support above version 2.6.27*/
106 if (errno == EINVAL) {
107 fd = socket(AF_UNIX, SOCK_STREAM, 0);
109 _E("second chance - socket create error");
118 saddr.sun_family = AF_UNIX;
119 snprintf(saddr.sun_path, UNIX_PATH_MAX, "%s", AC_SOCK_NAME);
121 ret = __connect_client_sock(fd, (struct sockaddr *)&saddr, sizeof(saddr),
124 _E("maybe peer not launched or peer daed\n");
136 __set_sock_option(fd, 1);
141 static int __connect_client_sock(int fd, const struct sockaddr *saptr, socklen_t salen,
150 struct timeval timeout;
152 flags = fcntl(fd, F_GETFL, 0);
153 fcntl(fd, F_SETFL, flags | O_NONBLOCK);
156 if ((ret = connect(fd, (struct sockaddr *)saptr, salen)) < 0) {
157 if (errno != EAGAIN && errno != EINPROGRESS) {
158 fcntl(fd, F_SETFL, flags);
163 /* Do whatever we want while the connect is taking place. */
165 goto done; /* connect completed immediately */
168 FD_SET(fd, &readfds);
171 timeout.tv_usec = nsec;
173 if ((ret = select(fd + 1, &readfds, &writefds, NULL,
174 nsec ? &timeout : NULL)) == 0) {
175 close(fd); /* timeout */
180 if (FD_ISSET(fd, &readfds) || FD_ISSET(fd, &writefds)) {
182 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) < 0)
183 return (-1); /* Solaris pending error */
185 return (-1); /* select error: sockfd not set*/
188 fcntl(fd, F_SETFL, flags);
198 * @brief Send data (in raw) to the process with 'pid' via socket
200 int _app_send_raw(int cmd, unsigned char *data, int datalen)
205 ac_pkt_t *pkt = NULL;
207 if (data == NULL || datalen > AC_SOCK_MAXBUFF - 8) {
208 _E("keybundle error\n");
212 fd = _create_client_sock();
216 pkt = (ac_pkt_t *) malloc(sizeof(char) * AC_SOCK_MAXBUFF);
218 _E("Malloc Failed!");
221 memset(pkt, 0, AC_SOCK_MAXBUFF);
225 memcpy(pkt->data, data, datalen);
227 if ((len = send(fd, pkt, datalen + 8, 0)) != datalen + 8) {
228 _E("sendto() failed - %d %d", len, datalen + 8);
229 if (errno == EPIPE) {
244 len = recv(fd, &res, sizeof(int), 0);
246 if (errno == EAGAIN) {
247 _E("recv timeout \n");
254 _D("recv result = %d (%d)", res, len);
260 ac_pkt_t *_app_recv_raw(int fd, int *clifd, struct ucred *cr)
263 struct sockaddr_un aul_addr = { 0, };
265 ac_pkt_t *pkt = NULL;
266 int cl = sizeof(struct ucred);
268 sun_size = sizeof(struct sockaddr_un);
270 if ((*clifd = accept(fd, (struct sockaddr *)&aul_addr,
271 (socklen_t *) &sun_size)) == -1) {
277 if (getsockopt(*clifd, SOL_SOCKET, SO_PEERCRED, cr,
278 (socklen_t *) &cl) < 0) {
279 _E("peer information error");
284 pkt = (ac_pkt_t *) malloc(sizeof(char) * AC_SOCK_MAXBUFF);
289 memset(pkt, 0, AC_SOCK_MAXBUFF);
291 __set_sock_option(*clifd, 1);
294 /* receive single packet from socket */
295 len = recv(*clifd, pkt, AC_SOCK_MAXBUFF, 0);
300 if ((len < 8) || (len != (pkt->len + 8))) {
301 _E("recv error %d %d", len, pkt->len);
310 int _send_result_to_server(int fd, int res)
312 if (send(fd, &res, sizeof(int), MSG_NOSIGNAL) < 0) {
314 _E("send failed due to EPIPE.\n");
315 _E("send fail to client");