AMajor/SoftEtherVPN
1
0
Fork 0
mirror of https://github.com/SoftEtherVPN/SoftEtherVPN.git synced 2024-11-23 01:49:53 +03:00
Code Releases Activity

Merge PR #754: Cedar/Bridge.c: fix NULL pointer dereference in GetEthDeviceHash()

Browse Source
This commit is contained in:
Davide Beatrici 2018-10-16 10:21:20 +02:00 committed by GitHub
commit 966a5e6dea
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/Cedar/Bridge.c
View File

@ -136,19 +136,23 @@ UINT GetEthDeviceHash()
{ {
#ifdef OS_UNIX #ifdef OS_UNIX
// UNIX // UNIX
UINT num; UINT num = 0;
UINT i; UINT i;
char tmp[4096]; char tmp[4096];
UCHAR hash[SHA1_SIZE]; UCHAR hash[SHA1_SIZE];
TOKEN_LIST *t = GetEthList(); TOKEN_LIST *t = GetEthList();
num = t->NumTokens;
tmp[0] = 0; tmp[0] = 0;
for (i = 0;i < t->NumTokens;i++)
if (t != NULL)
{
num = t->NumTokens;
for (i = 0; i < t->NumTokens; i++)
{ {
StrCat(tmp, sizeof(tmp), t->Token[i]); StrCat(tmp, sizeof(tmp), t->Token[i]);
} }
FreeToken(t); FreeToken(t);
}
Sha0(hash, tmp, StrLen(tmp)); Sha0(hash, tmp, StrLen(tmp));