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s3: libsmb: cli_setatr() and async version. Don't allow attribtes > 16 bits on an old protocol send.

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Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This commit is contained in:
Jeremy Allison 2020-06-03 21:11:25 -07:00
parent 7c3f3add32
commit 199a7343ee
1 changed files with 10 additions and 0 deletions
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10
source3/libsmb/clifile.c
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@ -4521,6 +4521,16 @@ struct tevent_req *cli_setatr_send(TALLOC_CTX *mem_ctx,
return NULL;
}
if (attr & 0xFFFF0000) {
/*
* Don't allow attributes greater than
* 16-bits for a 16-bit protocol value.
*/
if (tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER)) {
return tevent_req_post(req, ev);
}
}
SSVAL(state->vwv+0, 0, attr);
push_dos_date3((uint8_t *)&state->vwv[1], 0, mtime, smb1cli_conn_server_time_zone(cli->conn));