thirdpartymirrors/RingRacers
1
0
Fork 0
mirror of https://github.com/KartKrewDev/RingRacers.git synced 2026-05-03 23:42:07 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fail loudly on big-endian systems

Browse source
This commit is contained in:
AJ Martinez 2023-03-27 23:12:27 -07:00 • committed by James R
parent 119f23bd7b
commit 6510628586
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/d_clisrv.c
View file

@ -247,6 +247,10 @@ static int IsExternalAddress (const void *p)
// Generate a message for an authenticating client to sign, with some guarantees about who we are. // Generate a message for an authenticating client to sign, with some guarantees about who we are.
void GenerateChallenge(uint8_t *buf) void GenerateChallenge(uint8_t *buf)
{ {
#ifndef SRB2_LITTLE_ENDIAN
#error "FIXME: 64-bit timestamp field is not supported on Big Endian"
#endif
UINT64 now = time(NULL); UINT64 now = time(NULL);
csprng(buf, sizeof(&buf)); // Random noise as a baseline, but... csprng(buf, sizeof(&buf)); // Random noise as a baseline, but...
memcpy(buf, &now, sizeof(now)); // Timestamp limits the reuse window. memcpy(buf, &now, sizeof(now)); // Timestamp limits the reuse window.
@ -273,6 +277,10 @@ void GenerateChallenge(uint8_t *buf)
// Don't sign anything that wasn't generated just for us! // Don't sign anything that wasn't generated just for us!
shouldsign_t ShouldSignChallenge(uint8_t *message) shouldsign_t ShouldSignChallenge(uint8_t *message)
{ {
#ifndef SRB2_LITTLE_ENDIAN
#error "FIXME: 64-bit timestamp field is not supported on Big Endian"
#endif
UINT64 then, now; UINT64 then, now;
UINT32 claimedIP, realIP; UINT32 claimedIP, realIP;