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7081e5b Nov 16, 2017
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65 lines (52 sloc) 1.24 KB
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <stdlib.h>
//char *socket_path = "./socket";
char *socket_path = "\0hidden";
int main(int argc, char *argv[]) {
struct sockaddr_un addr;
char buf[100];
int fd,cl,rc;
if (argc > 1) socket_path=argv[1];
if ( (fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
perror("socket error");
exit(-1);
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
if (*socket_path == '\0') {
*addr.sun_path = '\0';
strncpy(addr.sun_path+1, socket_path+1, sizeof(addr.sun_path)-2);
} else {
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path)-1);
unlink(socket_path);
}
if (bind(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
perror("bind error");
exit(-1);
}
if (listen(fd, 5) == -1) {
perror("listen error");
exit(-1);
}
while (1) {
if ( (cl = accept(fd, NULL, NULL)) == -1) {
perror("accept error");
continue;
}
while ( (rc=read(cl,buf,sizeof(buf))) > 0) {
printf("read %u bytes: %.*s\n", rc, rc, buf);
}
if (rc == -1) {
perror("read");
exit(-1);
}
else if (rc == 0) {
printf("EOF\n");
close(cl);
}
}
return 0;
}