1 /*
2 * Copyright (C) 2020 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 #include <errno.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <sys/socket.h>
21 #include <sys/un.h>
22 #include <unistd.h>
23 #include <cstdlib>
24
main(int argc,char * argv[])25 int main(int argc, char* argv[]) {
26 if (argc != 3) {
27 fprintf(stderr, "syntax: %s <path> <command>\n", argv[0]);
28 return 1;
29 }
30
31 int fd = socket(AF_UNIX, SOCK_STREAM, 0);
32 if (fd < 0) {
33 fprintf(stderr, "socket creation failed: %d\n", errno);
34 return 1;
35 }
36
37 struct sockaddr_un addr;
38 memset(&addr, 0, sizeof(addr));
39 addr.sun_family = AF_UNIX;
40 strncpy(addr.sun_path, argv[1], sizeof(addr.sun_path));
41
42 int ok = connect(fd, (struct sockaddr*)&addr, sizeof(addr));
43 if (ok < 0) {
44 fprintf(stderr, "connection could not be established: %d\n", errno);
45 return 1;
46 }
47
48 ok = write(fd, argv[2], strlen(argv[2]));
49 if (ok < 0) {
50 fprintf(stderr, "write failed: %d\n", errno);
51 return 1;
52 }
53
54 return 0;
55 }
56