zhao/nft-fullcone
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nf_nat_fullcone.c: fix missing prandom_u32() with Linux >= 6.1.0

Browse Source 
prandom_u32() previously was only calling get_random_u32() so it's been
dropped with Linux 6.1.0. So let's directly call get_random_u32() if Linux
version >= 6.1.0.

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>
This commit is contained in:
Syrone Wong 2023-01-10 11:04:25 +08:00 committed by GitHub
parent 0d3e2bedf9
commit 95ad79bc6d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
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/nf_nat_fullcone.c
View File

@ -854,7 +854,11 @@ static uint16_t find_appropriate_port6(struct net *net, const u16 zone,
/* for now we do the same thing for both --random and --random-fully */
/* select a random starting point */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
start = (uint16_t) (get_random_u32() % (u32) range_size);
#else
start = (uint16_t) (prandom_u32() % (u32) range_size);
#endif
} else {
if ((original_port >= min && original_port <= min + range_size - 1)
@ -927,7 +931,11 @@ static uint16_t find_appropriate_port(struct net *net, const u16 zone,
/* for now we do the same thing for both --random and --random-fully */
/* select a random starting point */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 1, 0)
start = (uint16_t) (get_random_u32() % (u32) range_size);
#else
start = (uint16_t) (prandom_u32() % (u32) range_size);
#endif
} else {
if ((original_port >= min && original_port <= min + range_size - 1)