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Fix: IPv6 support in TransparentPlugin

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This commit is contained in:
z3APA3A 2019-08-13 12:38:03 +03:00
parent 8ad8a9ccd2
commit cb217d79c1
1 changed files with 9 additions and 7 deletions
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16
src/plugins/TransparentPlugin/transparent_plugin.c
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@ -35,7 +35,7 @@ static void* transparent_filter_open(void * idata, struct srvparam * param){
static FILTER_ACTION transparent_filter_client(void *fo, struct clientparam * param, void** fc){
socklen_t len;
char addrbuf[60];
char addrbuf[64];
int i=0;
len = sizeof(param->req);
@ -44,10 +44,12 @@ static FILTER_ACTION transparent_filter_client(void *fo, struct clientparam * pa
#ifdef SO_ORIGINAL_DST
if(getsockopt(param->clisock,
#ifndef NOIPV6
#ifdef SOL_IPV6
*SAFAMILY(&param->sincr) == AF_INET6?SOL_IPV6:
#endif
SOL_IP, SO_ORIGINAL_DST,(struct sockaddr *) &param->req, &len) || (!memcmp(((struct sockaddr_in *)&param->req)->sin_family == AF_INET6? (char *)&((struct sockaddr_in6 *)&param->req)->sin6_addr : (char *)&((struct sockaddr_in *)&param->req)->sin_addr.s_addr, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", (((struct sockaddr_in *)&param->req)->sin_family == AF_INET6? 16:4)))){
#endif
SOL_IP, SO_ORIGINAL_DST,(struct sockaddr *) &param->req, &len) || !memcmp((char *)SAADDR(&param->req), "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", SAADDRLEN(&param->req))){
return PASS;
}
#else
@ -56,13 +58,13 @@ static FILTER_ACTION transparent_filter_client(void *fo, struct clientparam * pa
return REJECT;
#endif
#else
if(memcmp(&param->req, &param->sincl,sizeof(param->req))){
param->req = param->sincl;
param->sincl = param->srv->intsa;
}
param->req = param->sincl;
param->sincl = param->srv->intsa;
#endif
pl->myinet_ntop(*SAFAMILY(&param->req), SAADDR(&param->req), (char *)addrbuf, sizeof(addrbuf));
pl->parsehostname(addrbuf, param, ntohs(*SAPORT(&param->req)));
if(param->hostname) pl->myfree(param->hostname);
param->hostname = pl->mystrdup(addrbuf);
param->sinsr = param->req;
return PASS;
}