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netapi32: Fix to prevent access beyond nul terminator.

This commit is contained in:
Andrew Talbot 2011-08-22 21:47:07 +01:00 committed by Alexandre Julliard
parent 4aca760126
commit 18549f3357
1 changed files with 10 additions and 6 deletions
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16
dlls/netapi32/nbt.c
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@ -1497,13 +1497,17 @@ void NetBTInit(void)
NetBTNameEncode */
char *ptr, *lenPtr;
for (ptr = gScopeID + 1; ptr - gScopeID < sizeof(gScopeID) && *ptr; )
for (ptr = gScopeID + 1, lenPtr = gScopeID; ptr - gScopeID < sizeof(gScopeID) && *ptr; ++ptr)
{
for (lenPtr = ptr - 1, *lenPtr = 0;
ptr - gScopeID < sizeof(gScopeID) && *ptr && *ptr != '.';
ptr++)
*lenPtr += 1;
ptr++;
if (*ptr == '.')
{
lenPtr = ptr;
*lenPtr = 0;
}
else
{
++*lenPtr;
}
}
}
if (RegQueryValueExW(hKey, CacheTimeoutW, NULL, NULL,