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rfe2636157 - bring in missing submission for 3.0

This commit is contained in:
mtbishop 2010-04-14 08:48:09 +00:00
parent 4542a7822d
commit 0c08446338
1 changed files with 32 additions and 2 deletions
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34
cfg_file.y
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@ -18,7 +18,7 @@
*/
/*
* $Id: cfg_file.y,v 1.8.2.3 2008/12/08 13:01:23 mtbishop Exp $
* $Id: cfg_file.y,v 1.8.2.4 2010/04/14 08:48:09 mtbishop Exp $
*/
#include "config.h"
@ -74,7 +74,7 @@ int yyerror(char *s);
%token K_OPTIONS K_DEFAULT K_PORT K_BINDADDR K_PERSIST K_TIMEOUT
%token K_PASSWD K_PROG K_PPP K_SPEED K_IFCFG K_FWALL K_ROUTE K_DEVICE
%token K_MULTI K_SRCADDR K_IFACE K_ADDR
%token K_TYPE K_PROT K_COMPRESS K_ENCRYPT K_KALIVE K_STAT
%token K_TYPE K_PROT K_NAT_HACK K_COMPRESS K_ENCRYPT K_KALIVE K_STAT
%token K_UP K_DOWN K_SYSLOG K_IPROUTE
%token <str> K_HOST K_ERROR
@ -321,6 +321,15 @@ host_option: '\n'
parse_host->flags |= $2;
}
| K_NAT_HACK NUM {
#ifdef ENABLE_NAT_HACK
parse_host->flags &= ~VTUN_NAT_HACK_MASK;
parse_host->flags |= $2;
#else
cfg_error("This vtund binary was built with the NAT hack disabled for security purposes.");
#endif
}
| K_SRCADDR '{' srcaddr_options '}'
| K_UP {
@ -587,6 +596,27 @@ inline struct vtun_host* find_host(char *host)
return (struct vtun_host *)llist_free(&host_list, free_host, host);
}
int clear_nat_hack_server(void *d, void *u)
{
((struct vtun_host*)d)->flags &= ~VTUN_NAT_HACK_CLIENT;
return 0;
}
int clear_nat_hack_client(void *d, void *u)
{
((struct vtun_host*)d)->flags &= ~VTUN_NAT_HACK_SERVER;
return 0;
}
/* Clear the VTUN_NAT_HACK flag which are not relevant to the current operation mode */
inline void clear_nat_hack_flags(int svr)
{
if (svr)
llist_trav(&host_list,clear_nat_hack_server,NULL);
else
llist_trav(&host_list,clear_nat_hack_client,NULL);
}
inline void free_host_list(void)
{
llist_free(&host_list, free_host, NULL);