mirror of
https://github.com/samba-team/samba.git
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dd896862d0
mdscli_ctx->mdscmd_open.share_path is an array of size 1025. The
boundary is 1025 and not UINT16_MAX.
"Error: OVERRUN (CWE-119):
samba-4.20.0rc2/source3/rpc_client/cli_mdssvc.c:127: cond_at_least: Checking ""share_path_len < 1UL"" implies that ""share_path_len"" is at least 1 on the false branch.
samba-4.20.0rc2/source3/rpc_client/cli_mdssvc.c:127: cond_between: Checking ""share_path_len > 65535UL"" implies that ""share_path_len"" is between 1 and 65535 (inclusive) on the false branch.
samba-4.20.0rc2/source3/rpc_client/cli_mdssvc.c:133: overrun-local: Overrunning array ""mdscli_ctx->mdscmd_open.share_path"" of 1025 bytes at byte offset 65534 using index ""share_path_len - 1UL"" (which evaluates to 65534).
131| mdscli_ctx->mdscmd_open.share_path_len = share_path_len;
132|
133|-> if (mdscli_ctx->mdscmd_open.share_path[share_path_len-1] == '/') {
134| mdscli_ctx->mdscmd_open.share_path[share_path_len-1] = '\0';
135| mdscli_ctx->mdscmd_open.share_path_len--;"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
1217 lines
29 KiB
C
1217 lines
29 KiB
C
/*
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Unix SMB/CIFS implementation.
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Main metadata server / Spotlight client functions
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Copyright (C) Ralph Boehme 2019
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "rpc_client.h"
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#include "../librpc/gen_ndr/ndr_mdssvc_c.h"
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#include "lib/util/tevent_ntstatus.h"
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#include "rpc_server/mdssvc/dalloc.h"
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#include "rpc_server/mdssvc/marshalling.h"
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#include "cli_mdssvc.h"
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#include "cli_mdssvc_private.h"
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#include "cli_mdssvc_util.h"
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struct mdsctx_id mdscli_new_ctx_id(struct mdscli_ctx *mdscli_ctx)
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{
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mdscli_ctx->ctx_id.id++;
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return mdscli_ctx->ctx_id;
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}
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char *mdscli_get_basepath(TALLOC_CTX *mem_ctx,
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struct mdscli_ctx *mdscli_ctx)
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{
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return talloc_strdup(mem_ctx, mdscli_ctx->mdscmd_open.share_path);
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}
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struct mdscli_connect_state {
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struct tevent_context *ev;
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struct mdscli_ctx *mdscli_ctx;
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struct mdssvc_blob response_blob;
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};
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static void mdscli_connect_open_done(struct tevent_req *subreq);
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static void mdscli_connect_unknown1_done(struct tevent_req *subreq);
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static void mdscli_connect_fetch_props_done(struct tevent_req *subreq);
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struct tevent_req *mdscli_connect_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *bh,
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const char *share_name,
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const char *mount_path)
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{
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struct tevent_req *req = NULL;
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struct mdscli_connect_state *state = NULL;
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struct tevent_req *subreq = NULL;
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struct mdscli_ctx *ctx = NULL;
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req = tevent_req_create(req, &state, struct mdscli_connect_state);
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if (req == NULL) {
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return NULL;
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}
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ctx = talloc_zero(state, struct mdscli_ctx);
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if (tevent_req_nomem(ctx, req)) {
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return tevent_req_post(req, ev);
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}
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*state = (struct mdscli_connect_state) {
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.ev = ev,
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.mdscli_ctx = ctx,
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};
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*ctx = (struct mdscli_ctx) {
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.bh = bh,
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.max_fragment_size = 64 * 1024,
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/*
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* The connection id is a per tcon value sent by the client,
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* 0x6b000060 is a value used most of the times for the first
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* tcon.
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*/
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.ctx_id.connection = UINT64_C(0x6b000060),
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};
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subreq = dcerpc_mdssvc_open_send(state,
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state->ev,
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ctx->bh,
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&ctx->dev,
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&ctx->mdscmd_open.unkn2,
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&ctx->mdscmd_open.unkn3,
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mount_path,
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share_name,
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ctx->mdscmd_open.share_path,
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&ctx->ph);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, state->ev);
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}
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tevent_req_set_callback(subreq, mdscli_connect_open_done, req);
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ctx->async_pending++;
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return req;
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}
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static void mdscli_connect_open_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct mdscli_connect_state *state = tevent_req_data(
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req, struct mdscli_connect_state);
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struct mdscli_ctx *mdscli_ctx = state->mdscli_ctx;
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size_t share_path_len;
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NTSTATUS status;
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status = dcerpc_mdssvc_open_recv(subreq, state);
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TALLOC_FREE(subreq);
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state->mdscli_ctx->async_pending--;
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if (tevent_req_nterror(req, status)) {
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return;
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}
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share_path_len = strlen(mdscli_ctx->mdscmd_open.share_path);
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if (share_path_len < 1 ||
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share_path_len >= sizeof(mdscli_ctx->mdscmd_open.share_path))
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{
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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mdscli_ctx->mdscmd_open.share_path_len = share_path_len;
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if (mdscli_ctx->mdscmd_open.share_path[share_path_len-1] == '/') {
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mdscli_ctx->mdscmd_open.share_path[share_path_len-1] = '\0';
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mdscli_ctx->mdscmd_open.share_path_len--;
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}
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subreq = dcerpc_mdssvc_unknown1_send(
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state,
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state->ev,
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mdscli_ctx->bh,
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&mdscli_ctx->ph,
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0,
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mdscli_ctx->dev,
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mdscli_ctx->mdscmd_open.unkn2,
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0,
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geteuid(),
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getegid(),
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&mdscli_ctx->mdscmd_unknown1.status,
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&mdscli_ctx->flags,
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&mdscli_ctx->mdscmd_unknown1.unkn7);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, mdscli_connect_unknown1_done, req);
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}
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static void mdscli_connect_unknown1_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct mdscli_connect_state *state = tevent_req_data(
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req, struct mdscli_connect_state);
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struct mdscli_ctx *mdscli_ctx = state->mdscli_ctx;
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struct mdssvc_blob request_blob;
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NTSTATUS status;
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status = dcerpc_mdssvc_unknown1_recv(subreq, state);
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TALLOC_FREE(subreq);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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status = mdscli_blob_fetch_props(state,
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state->mdscli_ctx,
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&request_blob);
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if (tevent_req_nterror(req, status)) {
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return;
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}
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subreq = dcerpc_mdssvc_cmd_send(state,
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state->ev,
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mdscli_ctx->bh,
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&mdscli_ctx->ph,
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0,
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mdscli_ctx->dev,
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mdscli_ctx->mdscmd_open.unkn2,
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0,
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mdscli_ctx->flags,
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request_blob,
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0,
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mdscli_ctx->max_fragment_size,
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1,
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mdscli_ctx->max_fragment_size,
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0,
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0,
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&mdscli_ctx->mdscmd_cmd.fragment,
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&state->response_blob,
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&mdscli_ctx->mdscmd_cmd.unkn9);
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if (tevent_req_nomem(subreq, req)) {
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return;
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}
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tevent_req_set_callback(subreq, mdscli_connect_fetch_props_done, req);
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mdscli_ctx->async_pending++;
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return;
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}
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static void mdscli_connect_fetch_props_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct mdscli_connect_state *state = tevent_req_data(
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req, struct mdscli_connect_state);
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struct mdscli_ctx *mdscli_ctx = state->mdscli_ctx;
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DALLOC_CTX *d = NULL;
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sl_array_t *path_scope_array = NULL;
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char *path_scope = NULL;
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NTSTATUS status;
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bool ok;
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status = dcerpc_mdssvc_cmd_recv(subreq, state);
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TALLOC_FREE(subreq);
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state->mdscli_ctx->async_pending--;
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if (tevent_req_nterror(req, status)) {
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return;
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}
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d = dalloc_new(state);
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if (tevent_req_nomem(d, req)) {
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return;
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}
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ok = sl_unpack(d,
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(char *)state->response_blob.spotlight_blob,
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state->response_blob.length);
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if (!ok) {
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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path_scope_array = dalloc_value_for_key(d,
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"DALLOC_CTX", 0,
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"kMDSStorePathScopes",
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"sl_array_t");
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if (path_scope_array == NULL) {
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DBG_ERR("Missing kMDSStorePathScopes\n");
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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path_scope = dalloc_get(path_scope_array, "char *", 0);
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if (path_scope == NULL) {
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DBG_ERR("Missing path in kMDSStorePathScopes\n");
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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mdscli_ctx->path_scope_len = strlen(path_scope);
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if (mdscli_ctx->path_scope_len < 1 ||
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mdscli_ctx->path_scope_len > UINT16_MAX)
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{
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DBG_ERR("Bad path_scope: %s\n", path_scope);
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tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
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return;
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}
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mdscli_ctx->path_scope = talloc_strdup(mdscli_ctx, path_scope);
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if (tevent_req_nomem(mdscli_ctx->path_scope, req)) {
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return;
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}
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if (mdscli_ctx->path_scope[mdscli_ctx->path_scope_len-1] == '/') {
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mdscli_ctx->path_scope[mdscli_ctx->path_scope_len-1] = '\0';
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mdscli_ctx->path_scope_len--;
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}
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tevent_req_done(req);
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}
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NTSTATUS mdscli_connect_recv(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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struct mdscli_ctx **mdscli_ctx)
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{
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struct mdscli_connect_state *state = tevent_req_data(
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req, struct mdscli_connect_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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tevent_req_received(req);
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return status;
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}
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*mdscli_ctx = talloc_move(mem_ctx, &state->mdscli_ctx);
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tevent_req_received(req);
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return NT_STATUS_OK;
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}
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NTSTATUS mdscli_connect(TALLOC_CTX *mem_ctx,
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struct dcerpc_binding_handle *bh,
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const char *share_name,
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const char *mount_path,
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struct mdscli_ctx **mdscli_ctx)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct tevent_req *req = NULL;
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struct tevent_context *ev = NULL;
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NTSTATUS status = NT_STATUS_NO_MEMORY;
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ev = samba_tevent_context_init(frame);
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if (ev == NULL) {
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goto fail;
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}
|
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|
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req = mdscli_connect_send(frame,
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ev,
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bh,
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share_name,
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mount_path);
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if (req == NULL) {
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goto fail;
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}
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if (!tevent_req_poll_ntstatus(req, ev, &status)) {
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goto fail;
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}
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status = mdscli_connect_recv(req, mem_ctx, mdscli_ctx);
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fail:
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TALLOC_FREE(frame);
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return status;
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}
|
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struct mdscli_search_state {
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struct mdscli_search_ctx *search;
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struct mdssvc_blob request_blob;
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struct mdssvc_blob response_blob;
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};
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|
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static void mdscli_search_cmd_done(struct tevent_req *subreq);
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struct tevent_req *mdscli_search_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct mdscli_ctx *mdscli_ctx,
|
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const char *mds_query,
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const char *path_scope_in,
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bool live)
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{
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struct tevent_req *req = NULL;
|
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struct mdscli_search_state *state = NULL;
|
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struct tevent_req *subreq = NULL;
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struct mdscli_search_ctx *search = NULL;
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char *path_scope = NULL;
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NTSTATUS status;
|
|
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req = tevent_req_create(req, &state, struct mdscli_search_state);
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if (req == NULL) {
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return NULL;
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}
|
|
|
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search = talloc_zero(state, struct mdscli_search_ctx);
|
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if (tevent_req_nomem(search, req)) {
|
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return tevent_req_post(req, ev);
|
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}
|
|
|
|
if (path_scope_in[0] == '/') {
|
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path_scope = talloc_strdup(search, path_scope_in);
|
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} else {
|
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path_scope = talloc_asprintf(search,
|
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"%s/%s",
|
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mdscli_ctx->mdscmd_open.share_path,
|
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path_scope_in);
|
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}
|
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if (tevent_req_nomem(path_scope, req)) {
|
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return tevent_req_post(req, ev);
|
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}
|
|
|
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*search = (struct mdscli_search_ctx) {
|
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.mdscli_ctx = mdscli_ctx,
|
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.ctx_id = mdscli_new_ctx_id(mdscli_ctx),
|
|
.unique_id = generate_random_u64(),
|
|
.live = live,
|
|
.path_scope = path_scope,
|
|
.mds_query = talloc_strdup(search, mds_query),
|
|
};
|
|
if (tevent_req_nomem(search->mds_query, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
*state = (struct mdscli_search_state) {
|
|
.search = search,
|
|
};
|
|
|
|
status = mdscli_blob_search(state,
|
|
search,
|
|
&state->request_blob);
|
|
if (tevent_req_nterror(req, status)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
subreq = dcerpc_mdssvc_cmd_send(state,
|
|
ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
0,
|
|
mdscli_ctx->flags,
|
|
state->request_blob,
|
|
0,
|
|
mdscli_ctx->max_fragment_size,
|
|
1,
|
|
mdscli_ctx->max_fragment_size,
|
|
0,
|
|
0,
|
|
&mdscli_ctx->mdscmd_cmd.fragment,
|
|
&state->response_blob,
|
|
&mdscli_ctx->mdscmd_cmd.unkn9);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, mdscli_search_cmd_done, req);
|
|
mdscli_ctx->async_pending++;
|
|
return req;
|
|
}
|
|
|
|
static void mdscli_search_cmd_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct mdscli_search_state *state = tevent_req_data(
|
|
req, struct mdscli_search_state);
|
|
DALLOC_CTX *d = NULL;
|
|
uint64_t *uint64p = NULL;
|
|
NTSTATUS status;
|
|
bool ok;
|
|
|
|
status = dcerpc_mdssvc_cmd_recv(subreq, state);
|
|
TALLOC_FREE(subreq);
|
|
state->search->mdscli_ctx->async_pending--;
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
d = dalloc_new(state);
|
|
if (tevent_req_nomem(d, req)) {
|
|
return;
|
|
}
|
|
|
|
ok = sl_unpack(d,
|
|
(char *)state->response_blob.spotlight_blob,
|
|
state->response_blob.length);
|
|
if (!ok) {
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
uint64p = dalloc_get(d,
|
|
"DALLOC_CTX", 0,
|
|
"uint64_t", 0);
|
|
if (uint64p == NULL) {
|
|
DBG_DEBUG("Unexpected mds response: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (*uint64p != 0) {
|
|
DBG_DEBUG("Unexpected mds result: 0x%" PRIx64 "\n", *uint64p);
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
return;
|
|
}
|
|
|
|
NTSTATUS mdscli_search_recv(struct tevent_req *req,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct mdscli_search_ctx **search)
|
|
{
|
|
struct mdscli_search_state *state = tevent_req_data(
|
|
req, struct mdscli_search_state);
|
|
NTSTATUS status;
|
|
|
|
if (tevent_req_is_nterror(req, &status)) {
|
|
tevent_req_received(req);
|
|
return status;
|
|
}
|
|
|
|
*search = talloc_move(mem_ctx, &state->search);
|
|
tevent_req_received(req);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS mdscli_search(TALLOC_CTX *mem_ctx,
|
|
struct mdscli_ctx *mdscli_ctx,
|
|
const char *mds_query,
|
|
const char *path_scope,
|
|
bool live,
|
|
struct mdscli_search_ctx **search)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct tevent_context *ev = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
|
|
if (mdscli_ctx->async_pending != 0) {
|
|
status = NT_STATUS_INVALID_PARAMETER;
|
|
goto fail;
|
|
}
|
|
|
|
ev = samba_tevent_context_init(frame);
|
|
if (ev == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
req = mdscli_search_send(frame,
|
|
ev,
|
|
mdscli_ctx,
|
|
mds_query,
|
|
path_scope,
|
|
live);
|
|
if (req == NULL) {
|
|
goto fail;
|
|
}
|
|
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = mdscli_search_recv(req, mem_ctx, search);
|
|
fail:
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
struct mdscli_get_results_state {
|
|
struct tevent_context *ev;
|
|
struct mdscli_search_ctx *search;
|
|
struct mdssvc_blob request_blob;
|
|
struct mdssvc_blob response_fragment;
|
|
DATA_BLOB response_data;
|
|
uint64_t *cnids;
|
|
uint32_t fragment;
|
|
};
|
|
|
|
static void mdscli_get_results_cmd_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *mdscli_get_results_send(
|
|
TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct mdscli_search_ctx *search)
|
|
{
|
|
struct tevent_req *req = NULL;
|
|
struct mdscli_get_results_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
struct mdscli_ctx *mdscli_ctx = search->mdscli_ctx;
|
|
NTSTATUS status;
|
|
|
|
req = tevent_req_create(req, &state, struct mdscli_get_results_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
*state = (struct mdscli_get_results_state) {
|
|
.ev = ev,
|
|
.search = search,
|
|
};
|
|
|
|
status = mdscli_blob_get_results(state,
|
|
search,
|
|
&state->request_blob);
|
|
if (tevent_req_nterror(req, status)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
subreq = dcerpc_mdssvc_cmd_send(state,
|
|
ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
0,
|
|
mdscli_ctx->flags,
|
|
state->request_blob,
|
|
0,
|
|
mdscli_ctx->max_fragment_size,
|
|
1,
|
|
mdscli_ctx->max_fragment_size,
|
|
0,
|
|
0,
|
|
&state->fragment,
|
|
&state->response_fragment,
|
|
&mdscli_ctx->mdscmd_cmd.unkn9);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, mdscli_get_results_cmd_done, req);
|
|
mdscli_ctx->async_pending++;
|
|
return req;
|
|
}
|
|
|
|
static void mdscli_get_results_cmd_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct mdscli_get_results_state *state = tevent_req_data(
|
|
req, struct mdscli_get_results_state);
|
|
struct mdscli_ctx *mdscli_ctx = state->search->mdscli_ctx;
|
|
size_t oldsize, newsize;
|
|
DALLOC_CTX *d = NULL;
|
|
uint64_t *uint64p = NULL;
|
|
bool search_in_progress = false;
|
|
sl_cnids_t *cnids = NULL;
|
|
size_t ncnids;
|
|
size_t i;
|
|
NTSTATUS status;
|
|
bool ok;
|
|
|
|
status = dcerpc_mdssvc_cmd_recv(subreq, state);
|
|
TALLOC_FREE(subreq);
|
|
state->search->mdscli_ctx->async_pending--;
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
oldsize = state->response_data.length;
|
|
newsize = oldsize + state->response_fragment.length;
|
|
if (newsize < oldsize) {
|
|
tevent_req_nterror(req, NT_STATUS_INTEGER_OVERFLOW);
|
|
return;
|
|
}
|
|
|
|
ok = data_blob_realloc(state, &state->response_data, newsize);
|
|
if (!ok) {
|
|
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
|
|
return;
|
|
}
|
|
(void)memcpy(state->response_data.data + oldsize,
|
|
state->response_fragment.spotlight_blob,
|
|
state->response_fragment.length);
|
|
|
|
TALLOC_FREE(state->response_fragment.spotlight_blob);
|
|
state->response_fragment.length = 0;
|
|
state->response_fragment.size = 0;
|
|
|
|
if (state->fragment != 0) {
|
|
subreq = dcerpc_mdssvc_cmd_send(
|
|
state,
|
|
state->ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
1,
|
|
mdscli_ctx->flags,
|
|
state->request_blob,
|
|
0,
|
|
mdscli_ctx->max_fragment_size,
|
|
1,
|
|
mdscli_ctx->max_fragment_size,
|
|
0,
|
|
0,
|
|
&state->fragment,
|
|
&state->response_fragment,
|
|
&mdscli_ctx->mdscmd_cmd.unkn9);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
tevent_req_post(req, state->ev);
|
|
return;
|
|
}
|
|
tevent_req_set_callback(subreq,
|
|
mdscli_get_results_cmd_done,
|
|
req);
|
|
mdscli_ctx->async_pending++;
|
|
return;
|
|
}
|
|
|
|
d = dalloc_new(state);
|
|
if (tevent_req_nomem(d, req)) {
|
|
return;
|
|
}
|
|
|
|
ok = sl_unpack(d,
|
|
(char *)state->response_data.data,
|
|
state->response_data.length);
|
|
if (!ok) {
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
uint64p = dalloc_get(d,
|
|
"DALLOC_CTX", 0,
|
|
"uint64_t", 0);
|
|
if (uint64p == NULL) {
|
|
DBG_DEBUG("Unexpected mds response: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (*uint64p == 35) {
|
|
DBG_DEBUG("Search in progress\n");
|
|
search_in_progress = true;
|
|
}
|
|
|
|
cnids = dalloc_get(d, "DALLOC_CTX", 0, "sl_cnids_t", 1);
|
|
if (cnids == NULL) {
|
|
DBG_DEBUG("cnids error: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
ncnids = dalloc_size(cnids->ca_cnids);
|
|
if (ncnids == 0 && !search_in_progress) {
|
|
tevent_req_nterror(req, NT_STATUS_NO_MORE_MATCHES);
|
|
return;
|
|
}
|
|
|
|
if (cnids->ca_unkn1 != 0xadd) {
|
|
/*
|
|
* Whatever 0xadd means... but it seems to be the standard value
|
|
* macOS mdssvc returns here.
|
|
*/
|
|
DBG_DEBUG("unexpected ca_unkn1: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (cnids->ca_context != state->search->ctx_id.connection ) {
|
|
DBG_DEBUG("unexpected ca_context: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
state->cnids = talloc_zero_array(state, uint64_t, ncnids);
|
|
if (tevent_req_nomem(state->cnids, req)) {
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < ncnids; i++) {
|
|
uint64_t *cnid = NULL;
|
|
|
|
cnid = dalloc_get(cnids->ca_cnids, "uint64_t", i);
|
|
if (cnid == NULL) {
|
|
DBG_DEBUG("cnids error: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
state->cnids[i] = *cnid;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
return;
|
|
}
|
|
|
|
NTSTATUS mdscli_get_results_recv(struct tevent_req *req,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint64_t **cnids)
|
|
{
|
|
struct mdscli_get_results_state *state = tevent_req_data(
|
|
req, struct mdscli_get_results_state);
|
|
NTSTATUS status;
|
|
|
|
if (tevent_req_is_nterror(req, &status)) {
|
|
tevent_req_received(req);
|
|
return status;
|
|
}
|
|
|
|
*cnids = talloc_move(mem_ctx, &state->cnids);
|
|
|
|
tevent_req_received(req);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS mdscli_get_results(TALLOC_CTX *mem_ctx,
|
|
struct mdscli_search_ctx *search,
|
|
uint64_t **_cnids)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct tevent_context *ev = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
|
|
if (search->mdscli_ctx->async_pending != 0) {
|
|
status = NT_STATUS_INVALID_PARAMETER;
|
|
goto fail;
|
|
}
|
|
|
|
ev = samba_tevent_context_init(frame);
|
|
if (ev == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
req = mdscli_get_results_send(frame,
|
|
ev,
|
|
search);
|
|
if (req == NULL) {
|
|
goto fail;
|
|
}
|
|
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = mdscli_get_results_recv(req, mem_ctx, _cnids);
|
|
fail:
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
struct mdscli_get_path_state {
|
|
struct mdscli_ctx *mdscli_ctx;
|
|
struct mdssvc_blob request_blob;
|
|
struct mdssvc_blob response_blob;
|
|
char *path;
|
|
};
|
|
|
|
static void mdscli_get_path_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *mdscli_get_path_send(TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct mdscli_ctx *mdscli_ctx,
|
|
uint64_t cnid)
|
|
{
|
|
struct tevent_req *req = NULL;
|
|
struct mdscli_get_path_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
NTSTATUS status;
|
|
|
|
req = tevent_req_create(req, &state, struct mdscli_get_path_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
*state = (struct mdscli_get_path_state) {
|
|
.mdscli_ctx = mdscli_ctx,
|
|
};
|
|
|
|
status = mdscli_blob_get_path(state,
|
|
mdscli_ctx,
|
|
cnid,
|
|
&state->request_blob);
|
|
if (tevent_req_nterror(req, status)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
subreq = dcerpc_mdssvc_cmd_send(state,
|
|
ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
0,
|
|
mdscli_ctx->flags,
|
|
state->request_blob,
|
|
0,
|
|
mdscli_ctx->max_fragment_size,
|
|
1,
|
|
mdscli_ctx->max_fragment_size,
|
|
0,
|
|
0,
|
|
&mdscli_ctx->mdscmd_cmd.fragment,
|
|
&state->response_blob,
|
|
&mdscli_ctx->mdscmd_cmd.unkn9);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, mdscli_get_path_done, req);
|
|
mdscli_ctx->async_pending++;
|
|
return req;
|
|
}
|
|
|
|
static void mdscli_get_path_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct mdscli_get_path_state *state = tevent_req_data(
|
|
req, struct mdscli_get_path_state);
|
|
DALLOC_CTX *d = NULL;
|
|
size_t pathlen;
|
|
size_t prefixlen;
|
|
char *path = NULL;
|
|
const char *p = NULL;
|
|
NTSTATUS status;
|
|
bool ok;
|
|
|
|
status = dcerpc_mdssvc_cmd_recv(subreq, state);
|
|
TALLOC_FREE(subreq);
|
|
state->mdscli_ctx->async_pending--;
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
d = dalloc_new(state);
|
|
if (tevent_req_nomem(d, req)) {
|
|
return;
|
|
}
|
|
|
|
ok = sl_unpack(d,
|
|
(char *)state->response_blob.spotlight_blob,
|
|
state->response_blob.length);
|
|
if (!ok) {
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
path = dalloc_get(d,
|
|
"DALLOC_CTX", 0,
|
|
"DALLOC_CTX", 2,
|
|
"DALLOC_CTX", 0,
|
|
"DALLOC_CTX", 1,
|
|
"char *", 0);
|
|
if (path == NULL) {
|
|
DBG_DEBUG("No path in mds response: %s", dalloc_dump(d, 0));
|
|
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
|
|
return;
|
|
}
|
|
|
|
/* Path is prefixed by /PATHSCOPE/SHARENAME/, strip it */
|
|
pathlen = strlen(path);
|
|
|
|
/*
|
|
* path_scope_len and share_path_len are already checked to be smaller
|
|
* then UINT16_MAX so this can't overflow
|
|
*/
|
|
prefixlen = state->mdscli_ctx->path_scope_len
|
|
+ state->mdscli_ctx->mdscmd_open.share_path_len;
|
|
|
|
if (pathlen < prefixlen) {
|
|
DBG_DEBUG("Bad path: %s\n", path);
|
|
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
|
return;
|
|
}
|
|
|
|
p = path + prefixlen;
|
|
while (*p == '/') {
|
|
p++;
|
|
}
|
|
if (*p == '\0') {
|
|
DBG_DEBUG("Bad path: %s\n", path);
|
|
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
|
|
return;
|
|
}
|
|
|
|
state->path = talloc_strdup(state, p);
|
|
if (state->path == NULL) {
|
|
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
|
|
return;
|
|
}
|
|
DBG_DEBUG("path: %s\n", state->path);
|
|
|
|
tevent_req_done(req);
|
|
return;
|
|
}
|
|
|
|
NTSTATUS mdscli_get_path_recv(struct tevent_req *req,
|
|
TALLOC_CTX *mem_ctx,
|
|
char **path)
|
|
{
|
|
struct mdscli_get_path_state *state = tevent_req_data(
|
|
req, struct mdscli_get_path_state);
|
|
NTSTATUS status;
|
|
|
|
if (tevent_req_is_nterror(req, &status)) {
|
|
tevent_req_received(req);
|
|
return status;
|
|
}
|
|
|
|
*path = talloc_move(mem_ctx, &state->path);
|
|
tevent_req_received(req);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS mdscli_get_path(TALLOC_CTX *mem_ctx,
|
|
struct mdscli_ctx *mdscli_ctx,
|
|
uint64_t cnid,
|
|
char **path)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct tevent_context *ev = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
|
|
if (mdscli_ctx->async_pending != 0) {
|
|
status = NT_STATUS_INVALID_PARAMETER;
|
|
goto fail;
|
|
}
|
|
|
|
ev = samba_tevent_context_init(frame);
|
|
if (ev == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
req = mdscli_get_path_send(frame, ev, mdscli_ctx, cnid);
|
|
if (req == NULL) {
|
|
goto fail;
|
|
}
|
|
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = mdscli_get_path_recv(req, mem_ctx, path);
|
|
fail:
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
struct mdscli_close_search_state {
|
|
struct mdscli_search_ctx *search;
|
|
struct mdssvc_blob request_blob;
|
|
struct mdssvc_blob response_blob;
|
|
};
|
|
|
|
static void mdscli_close_search_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *mdscli_close_search_send(TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct mdscli_search_ctx **search)
|
|
{
|
|
struct mdscli_ctx *mdscli_ctx = NULL;
|
|
struct tevent_req *req = NULL;
|
|
struct mdscli_close_search_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
NTSTATUS status;
|
|
|
|
req = tevent_req_create(req, &state, struct mdscli_close_search_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
*state = (struct mdscli_close_search_state) {
|
|
.search = talloc_move(state, search),
|
|
};
|
|
mdscli_ctx = state->search->mdscli_ctx;
|
|
|
|
status = mdscli_blob_close_search(state,
|
|
state->search,
|
|
&state->request_blob);
|
|
if (tevent_req_nterror(req, status)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
subreq = dcerpc_mdssvc_cmd_send(state,
|
|
ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
0,
|
|
mdscli_ctx->flags,
|
|
state->request_blob,
|
|
0,
|
|
mdscli_ctx->max_fragment_size,
|
|
1,
|
|
mdscli_ctx->max_fragment_size,
|
|
0,
|
|
0,
|
|
&mdscli_ctx->mdscmd_cmd.fragment,
|
|
&state->response_blob,
|
|
&mdscli_ctx->mdscmd_cmd.unkn9);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, mdscli_close_search_done, req);
|
|
mdscli_ctx->async_pending++;
|
|
return req;
|
|
}
|
|
|
|
static void mdscli_close_search_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct mdscli_close_search_state *state = tevent_req_data(
|
|
req, struct mdscli_close_search_state);
|
|
NTSTATUS status;
|
|
|
|
status = dcerpc_mdssvc_cmd_recv(subreq, state);
|
|
TALLOC_FREE(subreq);
|
|
state->search->mdscli_ctx->async_pending--;
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
return;
|
|
}
|
|
|
|
NTSTATUS mdscli_close_search_recv(struct tevent_req *req)
|
|
{
|
|
return tevent_req_simple_recv_ntstatus(req);
|
|
}
|
|
|
|
NTSTATUS mdscli_close_search(struct mdscli_search_ctx **search)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct tevent_context *ev = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
|
|
if ((*search)->mdscli_ctx->async_pending != 0) {
|
|
status = NT_STATUS_INVALID_PARAMETER;
|
|
goto fail;
|
|
}
|
|
|
|
ev = samba_tevent_context_init(frame);
|
|
if (ev == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
req = mdscli_close_search_send(frame, ev, search);
|
|
if (req == NULL) {
|
|
goto fail;
|
|
}
|
|
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = mdscli_close_search_recv(req);
|
|
fail:
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
struct mdscli_disconnect_state {
|
|
struct mdscli_ctx *mdscli_ctx;
|
|
};
|
|
|
|
static void mdscli_disconnect_done(struct tevent_req *subreq);
|
|
|
|
struct tevent_req *mdscli_disconnect_send(TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
struct mdscli_ctx *mdscli_ctx)
|
|
{
|
|
struct tevent_req *req = NULL;
|
|
struct mdscli_disconnect_state *state = NULL;
|
|
struct tevent_req *subreq = NULL;
|
|
|
|
req = tevent_req_create(req, &state, struct mdscli_disconnect_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
*state = (struct mdscli_disconnect_state) {
|
|
.mdscli_ctx = mdscli_ctx,
|
|
};
|
|
|
|
subreq = dcerpc_mdssvc_close_send(state,
|
|
ev,
|
|
mdscli_ctx->bh,
|
|
&mdscli_ctx->ph,
|
|
0,
|
|
mdscli_ctx->dev,
|
|
mdscli_ctx->mdscmd_open.unkn2,
|
|
0,
|
|
&mdscli_ctx->ph,
|
|
&mdscli_ctx->mdscmd_close.status);
|
|
if (tevent_req_nomem(subreq, req)) {
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
tevent_req_set_callback(subreq, mdscli_disconnect_done, req);
|
|
mdscli_ctx->async_pending++;
|
|
return req;
|
|
}
|
|
|
|
static void mdscli_disconnect_done(struct tevent_req *subreq)
|
|
{
|
|
struct tevent_req *req = tevent_req_callback_data(
|
|
subreq, struct tevent_req);
|
|
struct mdscli_disconnect_state *state = tevent_req_data(
|
|
req, struct mdscli_disconnect_state);
|
|
NTSTATUS status;
|
|
|
|
status = dcerpc_mdssvc_close_recv(subreq, state);
|
|
TALLOC_FREE(subreq);
|
|
state->mdscli_ctx->async_pending--;
|
|
if (tevent_req_nterror(req, status)) {
|
|
return;
|
|
}
|
|
|
|
tevent_req_done(req);
|
|
return;
|
|
}
|
|
|
|
NTSTATUS mdscli_disconnect_recv(struct tevent_req *req)
|
|
{
|
|
return tevent_req_simple_recv_ntstatus(req);
|
|
}
|
|
|
|
NTSTATUS mdscli_disconnect(struct mdscli_ctx *mdscli_ctx)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct tevent_req *req = NULL;
|
|
struct tevent_context *ev = NULL;
|
|
NTSTATUS status = NT_STATUS_NO_MEMORY;
|
|
|
|
if (mdscli_ctx->async_pending != 0) {
|
|
status = NT_STATUS_INVALID_PARAMETER;
|
|
goto fail;
|
|
}
|
|
|
|
ev = samba_tevent_context_init(frame);
|
|
if (ev == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
req = mdscli_disconnect_send(frame, ev, mdscli_ctx);
|
|
if (req == NULL) {
|
|
goto fail;
|
|
}
|
|
if (!tevent_req_poll_ntstatus(req, ev, &status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = mdscli_disconnect_recv(req);
|
|
fail:
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|