void create_socket(int family, int type, char *server, char *port)
{
struct addrinfo hints = {
.ai_flags = AI_NUMERICSERV,
.ai_family = family,
.ai_socktype = type,
};
struct addrinfo *records;
struct addrinfo *r;
int error;
log_print(INFO, "Connecting to %s port %s via %s", server, port, interface);
error = getaddrinfo(server, port, &hints, &records);
if (error) {
log_print(FATAL, "Getaddrinfo() %s", (error == EAI_SYSTEM) ?
strerror(errno) : gai_strerror(error));
exit(NETWORK_ERROR);
}
for (r = records; r; r = r->ai_next) {
int s = socket(r->ai_family, r->ai_socktype, r->ai_protocol);
if (!setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE, interface,
strlen(interface)) && !connect(s, r->ai_addr, r->ai_addrlen)) {
the_socket = s;
break;
}
close(s);
}
freeaddrinfo(records);
if (the_socket == -1) {
log_print(FATAL, "Connect() %s", strerror(errno));
exit(NETWORK_ERROR);
}
#ifdef ANDROID_CHANGES
protectFromVpn(the_socket);
#endif
fcntl(the_socket, F_SETFD, FD_CLOEXEC);
log_print(INFO, "Connection established (socket = %d)", the_socket);
}
static jboolean android_net_utils_protectFromVpn(JNIEnv *env, jobject thiz, jint socket)
{
return (jboolean) !protectFromVpn(socket);
}
