bool ProxyHost(EDF *pEDF)
{
STACKTRACE
int iHostname = 0, iAddress = 0;
socklen_t iSockLen = 0;
char szHostname[NI_MAXHOST], szAddress[NI_MAXSERV], pBuffer[BUFSIZ]; //, *szReturn = NULL;
struct sockaddr pSockAddr;
debug(DEBUGLEVEL_INFO, "ProxyHost entry %p\n", pEDF);
iSockLen = sizeof(pSockAddr);
if(getpeername(fileno(stdin), (struct sockaddr *)&pSockAddr, &iSockLen) < 0)
{
debug(DEBUGLEVEL_ERR, "ProxyHost getpeername failed, %s\n", strerror(errno));
iSockLen = sizeof(pSockAddr);
if(recvfrom(fileno(stdin), pBuffer, sizeof(pBuffer), MSG_PEEK, (struct sockaddr *)&pSockAddr, &iSockLen) < 0)
{
debug(DEBUGLEVEL_INFO, "ProxyHost exit false, recvfrom failed\n");
return false;
}
}
mappedtov4(&pSockAddr);
szHostname[0] = '\0';
szAddress[0] = '\0';
iHostname = getnameinfo(&pSockAddr, sizeof(struct sockaddr), szHostname, sizeof(szHostname), NULL, 0, NI_NAMEREQD);
iAddress = getnameinfo(&pSockAddr, sizeof(struct sockaddr), szAddress, sizeof(szAddress), NULL, 0, NI_NUMERICHOST);
debug(DEBUGLEVEL_INFO, "ProxyHost '%s'(%d) / '%s'(%d)\n", szHostname, iHostname, szAddress, iAddress);
if(strlen(szHostname) > 0)
{
pEDF->AddChild("hostname", szHostname);
if(strlen(szAddress) > 0 && ProtocolVersion("2.5") >= 0)
{
pEDF->AddChild("address", szAddress);
}
}
else if(strlen(szAddress) > 0)
{
pEDF->AddChild(ProtocolVersion("2.5") >= 0 ? "address" : "hostname", szAddress);
}
// debugEDFPrint("ProxyHost fields", pEDF);
debug(DEBUGLEVEL_INFO, "ProxyHost exit true\n");
return true;
}
int main(int argc,char *argv[])
//int argc;
//char *argv[];
{
int dummy;
char *proto;
int opt;
int flagremoteinfo;
unsigned long timeout;
// struct sockaddr_in *v4;
sig_pipeignore();
flagremoteinfo = 1;
timeout = 30;
while ((opt = getopt(argc,argv,"rRt:")) != opteof)
switch(opt)
{
case 'r': flagremoteinfo = 1; break;
case 'R': flagremoteinfo = 0; break;
case 't': scan_ulong(subgetoptarg,&timeout); break;
}
argv += subgetoptind;
argc -= subgetoptind;
if (argc < 1) die();
if (!env_init()) die();
proto = env_get("PROTO");
if (!proto || str_diff(proto,"TCP"))
{
if (!env_puts("PROTO=TCP")) die();
dummy = sizeof(salocal);
if (getsockname(0,(struct sockaddr *) &salocal, (socklen_t *) &dummy) == -1) die();
mappedtov4(&salocal);
switch(salocal.sa.sa_family) {
case AF_INET:
localport = ntohs(salocal.sa4.sin_port);
temp[fmt_ulong(temp,localport)] = 0;
if (!env_put("TCPLOCALPORT",temp)) die();
temp[ip4_fmt(temp,(char *) &salocal.sa4.sin_addr)] = 0;
if (!env_put("TCPLOCALIP",temp)) die();
switch(dns_ptr(&localname,&salocal.sa4.sin_addr)) {
case DNS_MEM: die();
case DNS_SOFT:
if (!stralloc_copys(&localname,"softdnserror")) die();
case 0:
if (!stralloc_0(&localname)) die();
case_lowers(localname.s);
if (!env_put("TCPLOCALHOST",localname.s)) die();
break;
default:
if (!env_unset("TCPLOCALHOST")) die();
}
break;
#ifdef INET6
case AF_INET6:
localport = ntohs(salocal.sa6.sin6_port);
temp[fmt_ulong(temp,localport)] = 0;
if (!env_put("TCPLOCALPORT",temp)) die();
temp[ip6_fmt(temp,(char *) &salocal.sa6.sin6_addr)] = 0;
if (!env_put("TCPLOCALIP",temp)) die();
switch(dns_ptr6(&localname,&salocal.sa6.sin6_addr)) {
case DNS_MEM: die();
case DNS_SOFT:
if (!stralloc_copys(&localname,"softdnserror")) die();
case 0:
if (!stralloc_0(&localname)) die();
case_lowers(localname.s);
if (!env_put("TCPLOCALHOST",localname.s)) die();
break;
default:
if (!env_unset("TCPLOCALHOST")) die();
}
break;
#endif
default:
die();
}
dummy = sizeof(saremote);
if (getpeername(0,(struct sockaddr *) &saremote, (socklen_t *) &dummy) == -1) die();
mappedtov4(&saremote);
switch(saremote.sa.sa_family) {
case AF_INET:
remoteport = ntohs(saremote.sa4.sin_port);
temp[fmt_ulong(temp,remoteport)] = 0;
if (!env_put("TCPREMOTEPORT",temp)) die();
temp[ip4_fmt(temp,(char *)&saremote.sa4.sin_addr)] = 0;
if (!env_put("TCPREMOTEIP",temp)) die();
switch(dns_ptr(&remotename,&saremote.sa4.sin_addr)) {
case DNS_MEM: die();
case DNS_SOFT:
if (!stralloc_copys(&remotename,"softdnserror")) die();
case 0:
if (!stralloc_0(&remotename)) die();
case_lowers(remotename.s);
if (!env_put("TCPREMOTEHOST",remotename.s)) die();
break;
default:
if (!env_unset("TCPREMOTEHOST")) die();
}
break;
#ifdef INET6
case AF_INET6:
remoteport = ntohs(saremote.sa6.sin6_port);
temp[fmt_ulong(temp,remoteport)] = 0;
if (!env_put("TCPREMOTEPORT",temp)) die();
temp[ip6_fmt(temp,(char *) &saremote.sa6.sin6_addr)] = 0;
if (!env_put("TCPREMOTEIP",temp)) die();
switch(dns_ptr6(&remotename,&saremote.sa6.sin6_addr)) {
case DNS_MEM: die();
case DNS_SOFT:
if (!stralloc_copys(&remotename,"softdnserror")) die();
case 0:
if (!stralloc_0(&remotename)) die();
case_lowers(remotename.s);
if (!env_put("TCPREMOTEHOST",remotename.s)) die();
break;
default:
if (!env_unset("TCPREMOTEHOST")) die();
}
break;
#endif
default:
die();
}
if (!env_unset("TCPREMOTEINFO")) die();
if (flagremoteinfo)
{
char *rinfo;
rinfo = remoteinfo_get(&saremote, &salocal,(int) timeout);
if (rinfo)
if (!env_put("TCPREMOTEINFO",rinfo)) die();
}
}
sig_pipedefault();
execvp(*argv,argv);
die();
return(0); /* never reached */
}
