From 2768aecae653929d89d7cd402d953571fe51486e Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Wed, 9 Feb 2000 14:45:22 +0000 Subject: Defensive programming for cli_error(). Jeremy. (This used to be commit 94ed74d5b09d6f28b47b2855c4e4a1dc5c2108d3) --- source3/libsmb/clientgen.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'source3/libsmb') diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c index c510302301..b1d8f8aa73 100644 --- a/source3/libsmb/clientgen.c +++ b/source3/libsmb/clientgen.c @@ -2685,12 +2685,18 @@ void cli_shutdown(struct cli_state *cli) ****************************************************************************/ int cli_error(struct cli_state *cli, uint8 *eclass, uint32 *num, uint32 *nt_rpc_error) { - int flgs2 = SVAL(cli->inbuf,smb_flg2); + int flgs2; char rcls; int code; if (eclass) *eclass = 0; if (num ) *num = 0; + if (nt_rpc_error) *nt_rpc_error = 0; + + if(!cli || !cli->initialised || !cli->inbuf) + return EINVAL; + + flgs2 = SVAL(cli->inbuf,smb_flg2); if (nt_rpc_error) *nt_rpc_error = cli->nt_error; if (flgs2 & FLAGS2_32_BIT_ERROR_CODES) { -- cgit