int main(void)
{
int sfd, cfd, bytes, ret;
char buf[16];
buf[15] = 0;
ret = sfd = create_unix_server_socket("/tmp/echosock",STREAM,0);
if ( ret < 0 )
{
perror(0);
exit(1);
}
for ( ;; )
{
ret = cfd = accept_unix_stream_socket(sfd,0);
if ( ret < 0 )
{
perror(0);
exit(1);
}
while ( 0 < ( bytes = read(cfd,buf,15) ) )
{
write(cfd,buf,bytes);
write(1,buf,bytes);
}
ret = destroy_unix_socket(cfd);
if ( ret < 0 )
{
perror(0);
exit(1);
}
}
ret = destroy_unix_socket(sfd);
if ( ret < 0 )
{
perror(0);
exit(1);
}
return 0;
}
/* main auth program. Listen on unix socket and send back response */
int authproxy (void) {
char buf[BUFSIZE];
int fd,cl;
PacketType pkt_type = UNKNOWN;
uint32_t len, readlen;
AuthFun authfun;
fd = create_unix_server_socket(socket_path,LIBSOCKET_STREAM, 0);
if (fd == -1) {
perror("socket error");
exit(-1);
}
while (1) {
cl = accept_unix_stream_socket(fd, 0);
if(cl == -1) {
perror("accept error");
break;
}
readn(cl, &pkt_type, 1);
readn(cl, &len, 4);
//len = ntohl(len);
//fprintf(stdout, "%d\n",len);
readlen = (uint32_t)readn(cl, buf, (size_t)len);
if(readlen < len) {
// incomplete packet
fprintf(stderr, "incomplete packet, skip");
close(cl);
continue;
}
authfun = GetAuthFunbyType(pkt_type);
if(authfun)
authfun(buf, cl); // make fd close_on_exec?
else {
// fail
fprintf(stderr, "unsupported auth tyep");
}
close(cl);
}
close(fd);
return 0;
}
