diff options
Diffstat (limited to 'source4/libcli')
| -rw-r--r-- | source4/libcli/smb2/ioctl.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/source4/libcli/smb2/ioctl.c b/source4/libcli/smb2/ioctl.c index d81bca517f..c0a637eb1a 100644 --- a/source4/libcli/smb2/ioctl.c +++ b/source4/libcli/smb2/ioctl.c @@ -22,6 +22,7 @@ #include "includes.h" #include "libcli/smb2/smb2.h" #include "libcli/smb2/smb2_calls.h" +#include "librpc/gen_ndr/ioctl.h" /* send a ioctl request @@ -61,17 +62,47 @@ struct smb2_request *smb2_ioctl_send(struct smb2_tree *tree, struct smb2_ioctl * return req; } +/* + * 3.3.4.4 Sending an Error Response + */ +static bool smb2_ioctl_is_failure(uint32_t ctl_code, NTSTATUS status, + size_t data_size) +{ + if (NT_STATUS_IS_OK(status)) { + return false; + } + + if (NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW) + && ((ctl_code == FSCTL_PIPE_TRANSCEIVE) + || (ctl_code == FSCTL_PIPE_PEEK) + || (ctl_code == FSCTL_DFS_GET_REFERRALS))) { + return false; + } + + if (((ctl_code == FSCTL_SRV_COPYCHUNK) + || (ctl_code == FSCTL_SRV_COPYCHUNK_WRITE)) + && (data_size == sizeof(struct srv_copychunk_rsp))) { + /* + * copychunk responses may come with copychunk data or error + * response data, independent of status. + */ + return false; + } + + return true; +} /* recv a ioctl reply */ -NTSTATUS smb2_ioctl_recv(struct smb2_request *req, +NTSTATUS smb2_ioctl_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, struct smb2_ioctl *io) { NTSTATUS status; - if (!smb2_request_receive(req) || - smb2_request_is_error(req)) { + if (!smb2_request_receive(req) || + smb2_ioctl_is_failure(io->in.function, req->status, + req->in.bufinfo.data_size)) { return smb2_request_destroy(req); } |