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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <netinet/in.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
const char* kDomainSocketName = "@RunasConnectAppSocket";
void SetUnixSocketAddr(const char* name, struct sockaddr_un* addr_un,
socklen_t* addr_len) {
memset(addr_un, 0, sizeof(*addr_un));
addr_un->sun_family = AF_UNIX;
strcpy(addr_un->sun_path, name);
*addr_len = offsetof(struct sockaddr_un, sun_path) + strlen(name);
if (addr_un->sun_path[0] == '@') {
addr_un->sun_path[0] = '\0';
}
}
int main() {
int fd;
struct sockaddr_un addr_un;
socklen_t addr_len;
if ((fd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) == -1) {
perror("socket error");
}
SetUnixSocketAddr(kDomainSocketName, &addr_un, &addr_len);
if (connect(fd, (struct sockaddr*)&addr_un, addr_len) == -1) {
perror("connect error");
return EXIT_FAILURE;
}
const int kBufferSize = 128;
char buf[kBufferSize];
memset(buf, 0, kBufferSize);
ssize_t result = TEMP_FAILURE_RETRY(read(fd, buf, kBufferSize - 1));
if (result >= 0) {
printf("%s\n", buf);
} else {
printf("[connector] read() failed");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}