1 /*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "libtrusty"
18
19 #include <errno.h>
20 #include <fcntl.h>
21 #include <stdbool.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25
26 #include <cutils/log.h>
27
28 #include "tipc_ioctl.h"
29
tipc_connect(const char * dev_name,const char * srv_name)30 int tipc_connect(const char *dev_name, const char *srv_name)
31 {
32 int fd;
33 int rc;
34
35 fd = open(dev_name, O_RDWR);
36 if (fd < 0) {
37 rc = -errno;
38 ALOGE("%s: cannot open tipc device \"%s\": %s\n",
39 __func__, dev_name, strerror(errno));
40 return rc < 0 ? rc : -1;
41 }
42
43 rc = ioctl(fd, TIPC_IOC_CONNECT, srv_name);
44 if (rc < 0) {
45 rc = -errno;
46 ALOGE("%s: can't connect to tipc service \"%s\" (err=%d)\n",
47 __func__, srv_name, errno);
48 close(fd);
49 return rc < 0 ? rc : -1;
50 }
51
52 ALOGV("%s: connected to \"%s\" fd %d\n", __func__, srv_name, fd);
53 return fd;
54 }
55
tipc_close(int fd)56 void tipc_close(int fd)
57 {
58 close(fd);
59 }
60