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Merge branch 'master' of git://tinc-vpn.org/tinc into 1.1

Browse source 
Conflicts:
	NEWS
	README
	configure.in
	lib/utils.c
	src/linux/device.c
	src/meta.c
	src/net.h
	src/net_setup.c
	src/net_socket.c
	src/protocol.c
	src/protocol_auth.c
	src/tincd.c
This commit is contained in:
Guus Sliepen 2012-06-26 13:24:20 +02:00
commit 19be9cf715
16 changed files with 517 additions and 52 deletions
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90
src/protocol_auth.c
View file

@ -42,6 +42,92 @@
#include "utils.h"
#include "xalloc.h"
static bool send_proxyrequest(connection_t *c) {
switch(proxytype) {
case PROXY_HTTP: {
char *host;
char *port;
sockaddr2str(&c->address, &host, &port);
send_request(c, "CONNECT %s:%s HTTP/1.1\r\n\r", host, port);
free(host);
free(port);
return true;
}
case PROXY_SOCKS4: {
if(c->address.sa.sa_family != AF_INET) {
logger(DEBUG_ALWAYS, LOG_ERR, "Cannot connect to an IPv6 host through a SOCKS 4 proxy!");
return false;
}
char s4req[9 + (proxyuser ? strlen(proxyuser) : 0)];
s4req[0] = 4;
s4req[1] = 1;
memcpy(s4req + 2, &c->address.in.sin_port, 2);
memcpy(s4req + 4, &c->address.in.sin_addr, 4);
if(proxyuser)
strcpy(s4req + 8, proxyuser);
s4req[sizeof s4req - 1] = 0;
c->tcplen = 8;
return send_meta(c, s4req, sizeof s4req);
}
case PROXY_SOCKS5: {
int len = 3 + 6 + (c->address.sa.sa_family == AF_INET ? 4 : 16);
c->tcplen = 2;
if(proxypass)
len += 3 + strlen(proxyuser) + strlen(proxypass);
char s5req[len];
int i = 0;
s5req[i++] = 5;
s5req[i++] = 1;
if(proxypass) {
s5req[i++] = 2;
s5req[i++] = 1;
s5req[i++] = strlen(proxyuser);
strcpy(s5req + i, proxyuser);
i += strlen(proxyuser);
s5req[i++] = strlen(proxypass);
strcpy(s5req + i, proxypass);
i += strlen(proxypass);
c->tcplen += 2;
} else {
s5req[i++] = 0;
}
s5req[i++] = 5;
s5req[i++] = 1;
s5req[i++] = 0;
if(c->address.sa.sa_family == AF_INET) {
s5req[i++] = 1;
memcpy(s5req + i, &c->address.in.sin_addr, 4);
i += 4;
memcpy(s5req + i, &c->address.in.sin_port, 2);
i += 2;
c->tcplen += 10;
} else if(c->address.sa.sa_family == AF_INET6) {
s5req[i++] = 3;
memcpy(s5req + i, &c->address.in6.sin6_addr, 16);
i += 16;
memcpy(s5req + i, &c->address.in6.sin6_port, 2);
i += 2;
c->tcplen += 22;
} else {
logger(DEBUG_ALWAYS, LOG_ERR, "Address family %hx not supported for SOCKS 5 proxies!", c->address.sa.sa_family);
return false;
}
if(i > len)
abort();
return send_meta(c, s5req, sizeof s5req);
}
case PROXY_SOCKS4A:
logger(DEBUG_ALWAYS, LOG_ERR, "Proxy type not implemented yet");
return false;
case PROXY_EXEC:
return true;
default:
logger(DEBUG_ALWAYS, LOG_ERR, "Unknown proxy type");
return false;
}
}
bool send_id(connection_t *c) {
gettimeofday(&c->start, NULL);
@ -54,6 +140,10 @@ bool send_id(connection_t *c) {
minor = myself->connection->protocol_minor;
}
if(proxytype)
if(!send_proxyrequest(c))
return false;
return send_request(c, "%d %s %d.%d", ID, myself->connection->name, myself->connection->protocol_major, minor);
}