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libfreerdp-core: fix possible crash on unauthorized TS Gateway error

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This commit is contained in:
Marc-André Moreau 2013-12-05 17:31:33 -05:00
parent 4d6f3b6de4
commit 85b7ad90fe
1 changed files with 6 additions and 0 deletions
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6
libfreerdp/core/gateway/rpc.c
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@ -360,6 +360,12 @@ int rpc_write(rdpRpc* rpc, BYTE* data, int length, UINT16 opnum)
ntlm = rpc->ntlm;
if ((!ntlm) || (!ntlm->table))
{
fprintf(stderr, "rpc_write: invalid ntlm context\n");
return -1;
}
if (ntlm->table->QueryContextAttributes(&ntlm->context, SECPKG_ATTR_SIZES, &ntlm->ContextSizes) != SEC_E_OK)
{
fprintf(stderr, "QueryContextAttributes SECPKG_ATTR_SIZES failure\n");