DiskBrowser/hostname.c
Stephen Heumann c237bd661f Add utility code for HTTP connections, URLs, and networking.
This is adapted from NetDisk with minor changes.
2019-04-12 23:23:39 -05:00

41 lines
921 B
C

#pragma noroot
#include <tcpip.h>
#include <misctool.h>
#include <orca.h>
#include "hostname.h"
#define DNR_WAIT_TIME 15 /*seconds*/
Boolean DoLookupName(Session *sess) {
dnrBuffer dnrInfo;
if (TCPIPValidateIPString(sess->hostName)) {
cvtRec cvtInfo;
TCPIPConvertIPToHex(&cvtInfo, sess->hostName);
sess->ipAddr = cvtInfo.cvtIPAddress;
return TRUE;
}
TCPIPDNRNameToIP(sess->hostName, &dnrInfo);
if (toolerror())
return FALSE;
sess->dnsTime = GetTick();
while (dnrInfo.DNRstatus == DNR_Pending) {
if (GetTick() - sess->dnsTime >= DNR_WAIT_TIME * 60)
break;
TCPIPPoll();
}
if (dnrInfo.DNRstatus == DNR_OK) {
sess->ipAddr = dnrInfo.DNRIPaddress;
return TRUE;
} else {
if (dnrInfo.DNRstatus == DNR_Pending) {
TCPIPCancelDNR(&dnrInfo);
}
return FALSE;
}
}