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