diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/clifile.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c index b40f7d15d9..331777b725 100644 --- a/source3/libsmb/clifile.c +++ b/source3/libsmb/clifile.c @@ -5338,3 +5338,152 @@ NTSTATUS cli_flush(TALLOC_CTX *mem_ctx, struct cli_state *cli, uint16_t fnum) } return status; } + +struct cli_shadow_copy_data_state { + uint16_t setup[4]; + uint8_t *data; + uint32_t num_data; + bool get_names; +}; + +static void cli_shadow_copy_data_done(struct tevent_req *subreq); + +struct tevent_req *cli_shadow_copy_data_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct cli_state *cli, + uint16_t fnum, + bool get_names) +{ + struct tevent_req *req, *subreq; + struct cli_shadow_copy_data_state *state; + uint32_t ret_size; + + req = tevent_req_create(mem_ctx, &state, + struct cli_shadow_copy_data_state); + if (req == NULL) { + return NULL; + } + state->get_names = get_names; + ret_size = get_names ? cli->max_xmit : 16; + + SIVAL(state->setup + 0, 0, FSCTL_GET_SHADOW_COPY_DATA); + SSVAL(state->setup + 2, 0, fnum); + SCVAL(state->setup + 3, 0, 0); /* isFsctl */ + SCVAL(state->setup + 3, 1, 0); /* compfilter, isFlags (WSSP) */ + + subreq = cli_trans_send( + state, ev, cli, SMBnttrans, NULL, 0, NT_TRANSACT_IOCTL, 0, + state->setup, ARRAY_SIZE(state->setup), 0, + NULL, 0, 0, + NULL, 0, ret_size); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, cli_shadow_copy_data_done, req); + return req; +} + +static void cli_shadow_copy_data_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct cli_shadow_copy_data_state *state = tevent_req_data( + req, struct cli_shadow_copy_data_state); + NTSTATUS status; + + status = cli_trans_recv(subreq, state, NULL, + NULL, 0, NULL, /* setup */ + NULL, 0, NULL, /* param */ + &state->data, 12, &state->num_data); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return; + } + tevent_req_done(req); +} + +NTSTATUS cli_shadow_copy_data_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + char ***pnames, int *pnum_names) +{ + struct cli_shadow_copy_data_state *state = tevent_req_data( + req, struct cli_shadow_copy_data_state); + char **names; + int i, num_names; + uint32_t dlength; + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + return status; + } + num_names = IVAL(state->data, 4); + dlength = IVAL(state->data, 8); + + if (!state->get_names) { + *pnum_names = num_names; + return NT_STATUS_OK; + } + + if (dlength+12 > state->num_data) { + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + names = talloc_array(mem_ctx, char *, num_names); + if (names == NULL) { + return NT_STATUS_NO_MEMORY; + } + + for (i=0; i<num_names; i++) { + bool ret; + uint8_t *src; + size_t converted_size; + + src = state->data + 12 + i * 2 * sizeof(SHADOW_COPY_LABEL); + ret = convert_string_talloc( + names, CH_UTF16LE, CH_UNIX, + src, 2 * sizeof(SHADOW_COPY_LABEL), + &names[i], &converted_size, True); + if (!ret) { + TALLOC_FREE(names); + return NT_STATUS_INVALID_NETWORK_RESPONSE; + } + } + *pnum_names = num_names; + *pnames = names; + return NT_STATUS_OK; +} + +NTSTATUS cli_shadow_copy_data(TALLOC_CTX *mem_ctx, struct cli_state *cli, + uint16_t fnum, bool get_names, + char ***pnames, int *pnum_names) +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct event_context *ev; + struct tevent_req *req; + NTSTATUS status = NT_STATUS_NO_MEMORY; + + if (cli_has_async_calls(cli)) { + /* + * Can't use sync call while an async call is in flight + */ + status = NT_STATUS_INVALID_PARAMETER; + goto fail; + } + ev = event_context_init(frame); + if (ev == NULL) { + goto fail; + } + req = cli_shadow_copy_data_send(frame, ev, cli, fnum, get_names); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = cli_shadow_copy_data_recv(req, mem_ctx, pnames, pnum_names); + fail: + TALLOC_FREE(frame); + if (!NT_STATUS_IS_OK(status)) { + cli_set_error(cli, status); + } + return status; +} |