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Always select between IPV6_BOUND_IF and IP_BOUND_IF

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This commit is contained in:
Vladimir Dubrovin 2022-06-29 10:35:17 +03:00
parent 3dc698eccd
commit c98621aeef
2 changed files with 12 additions and 12 deletions
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20
src/common.c
View File

@ -414,6 +414,14 @@ int doconnect(struct clientparam * param){
}
if(!*SAPORT(&param->sinsr))*SAPORT(&param->sinsr) = *SAPORT(&param->req);
if ((param->remsock=so._socket(SASOCK(&param->sinsr), SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {return (11);}
if(SAISNULL(&param->sinsl)){
#ifndef NOIPV6
if(*SAFAMILY(&param->sinsr) == AF_INET6) param->sinsl = param->srv->extsa6;
else
#endif
param->sinsl = param->srv->extsa;
}
*SAPORT(&param->sinsl) = 0;
setopts(param->remsock, param->srv->srvsockopts);
so._setsockopt(param->remsock, SOL_SOCKET, SO_LINGER, (char *)&lg, sizeof(lg));
@ -440,21 +448,13 @@ int doconnect(struct clientparam * param){
if(param->srv->obindtodevice) {
int idx;
idx = if_nametoindex(param->srv->obindtodevice);
if(!idx || so._setsockopt(param->remsock, IPPROTO_IP, IP_BOUND_IF, &idx, sizeof(idx)))
if(!idx || (*SAFAMILY(&param->sinsl) == AF_INET && so._setsockopt(param->remsock, IPPROTO_IP, IP_BOUND_IF, &idx, sizeof(idx))))
return 12;
#ifndef NOIPV6
if(param->srv->family != 4 && so._setsockopt(param->remsock, IPPROTO_IPV6, IPV6_BOUND_IF, &idx, sizeof(idx))) return 12;
if(*SAFAMILY(&param->sinsl) == AF_INET6 && so._setsockopt(param->remsock, IPPROTO_IPV6, IPV6_BOUND_IF, &idx, sizeof(idx))) return 12;
#endif
}
#endif
if(SAISNULL(&param->sinsl)){
#ifndef NOIPV6
if(*SAFAMILY(&param->sinsr) == AF_INET6) param->sinsl = param->srv->extsa6;
else
#endif
param->sinsl = param->srv->extsa;
}
*SAPORT(&param->sinsl) = 0;
if(so._bind(param->remsock, (struct sockaddr*)&param->sinsl, SASIZE(&param->sinsl))==-1) {
return 12;
}

4
src/proxymain.c
View File

@ -619,12 +619,12 @@ int MODULEMAINFUNC (int argc, char** argv){
if(srv.ibindtodevice){
int idx;
idx = if_nametoindex(srv.ibindtodevice);
if(!idx || setsockopt(sock, IPPROTO_IP, IP_BOUND_IF, &idx, sizeof(idx))) {
if(!idx || (*SAFAMILY(&srv.intsa) == AF_INET && setsockopt(sock, IPPROTO_IP, IP_BOUND_IF, &idx, sizeof(idx)))) {
dolog(&defparam, (unsigned char *)"failed to bind device");
return -12;
}
#ifndef NOIPV6
if(so._setsockopt(sock, IPPROTO_IPV6, IPV6_BOUND_IF, &idx, sizeof(idx))) {
if((*SAFAMILY(&srv.intsa) == AF_INET6 && so._setsockopt(sock, IPPROTO_IPV6, IPV6_BOUND_IF, &idx, sizeof(idx)))) {
dolog(&defparam, (unsigned char *)"failed to bind device");
return -12;
}