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-rw-r--r--source3/libsmb/clireadwrite.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/source3/libsmb/clireadwrite.c b/source3/libsmb/clireadwrite.c
index 1ee2196b76..e8c901755d 100644
--- a/source3/libsmb/clireadwrite.c
+++ b/source3/libsmb/clireadwrite.c
@@ -155,10 +155,17 @@ struct tevent_req *cli_read_andx_create(TALLOC_CTX *mem_ctx,
SSVAL(state->vwv + 8, 0, 0);
SSVAL(state->vwv + 9, 0, 0);
- if ((uint64_t)offset >> 32) {
+ if (cli_state_capabilities(cli) & CAP_LARGE_FILES) {
SIVAL(state->vwv + 10, 0,
(((uint64_t)offset)>>32) & 0xffffffff);
- wct += 2;
+ wct = 12;
+ } else {
+ if ((((uint64_t)offset) & 0xffffffff00000000LL) != 0) {
+ DEBUG(10, ("cli_read_andx_send got large offset where "
+ "the server does not support it\n"));
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
}
subreq = cli_smb_req_create(state, ev, cli, SMBreadX, 0, wct,