diff options
Diffstat (limited to 'openvpn/src/openvpn/socks.c')
| -rw-r--r-- | openvpn/src/openvpn/socks.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/openvpn/src/openvpn/socks.c b/openvpn/src/openvpn/socks.c index 235982e4..804c9836 100644 --- a/openvpn/src/openvpn/socks.c +++ b/openvpn/src/openvpn/socks.c @@ -55,13 +55,13 @@ void socks_adjust_frame_parameters (struct frame *frame, int proto) { - if (proto == PROTO_UDPv4) + if (proto == PROTO_UDP) frame_add_to_extra_link (frame, 10); } struct socks_proxy_info * socks_proxy_new (const char *server, - int port, + const char *port, const char *authfile, bool retry) { @@ -70,7 +70,7 @@ socks_proxy_new (const char *server, ALLOC_OBJ_CLEAR (p, struct socks_proxy_info); ASSERT (server); - ASSERT (legal_ipv4_port (port)); + ASSERT (port); strncpynt (p->server, server, sizeof (p->server)); p->port = port; @@ -389,11 +389,27 @@ recv_socks_reply (socket_descriptor_t sd, return true; } +static int +port_from_servname(const char* servname) +{ + int port =0; + port = atoi(servname); + if(port >0 && port < 65536) + return port; + + struct servent* service; + service = getservbyname(servname, NULL); + if(service) + return service->s_port; + + return 0; +} + void establish_socks_proxy_passthru (struct socks_proxy_info *p, socket_descriptor_t sd, /* already open to proxy */ const char *host, /* openvpn server remote */ - const int port, /* openvpn server port */ + const char *servname, /* openvpn server port */ volatile int *signal_received) { char buf[128]; @@ -414,6 +430,13 @@ establish_socks_proxy_passthru (struct socks_proxy_info *p, buf[4] = (char) len; memcpy(buf + 5, host, len); + int port = port_from_servname (servname); + if (port ==0) + { + msg (D_LINK_ERRORS, "establish_socks_proxy_passthrough: Cannot convert %s to port number", servname); + goto error; + } + buf[5 + len] = (char) (port >> 8); buf[5 + len + 1] = (char) (port & 0xff); @@ -425,6 +448,7 @@ establish_socks_proxy_passthru (struct socks_proxy_info *p, goto error; } } + /* receive reply from Socks proxy and discard */ if (!recv_socks_reply (sd, NULL, signal_received)) |