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Cedar/Bridge.c: fix NULL pointer dereference in GetEthDeviceHash()

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This commit is contained in:
Davide Beatrici 2018-10-16 04:40:22 +02:00
parent 2d3469909b
commit 91c5d5feb8
1 changed files with 9 additions and 5 deletions
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10
src/Cedar/Bridge.c
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@ -136,19 +136,23 @@ UINT GetEthDeviceHash()
{
#ifdef OS_UNIX
// UNIX
UINT num;
UINT num = 0;
UINT i;
char tmp[4096];
UCHAR hash[SHA1_SIZE];
TOKEN_LIST *t = GetEthList();
num = t->NumTokens;
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]);
}
FreeToken(t);
}
Sha0(hash, tmp, StrLen(tmp));