diff options
Diffstat (limited to 'libcli')
| -rw-r--r-- | libcli/smb/smb2cli_query_directory.c | 208 | ||||
| -rw-r--r-- | libcli/smb/smbXcli_base.h | 32 | ||||
| -rwxr-xr-x | libcli/smb/wscript_build | 1 |
3 files changed, 241 insertions, 0 deletions
diff --git a/libcli/smb/smb2cli_query_directory.c b/libcli/smb/smb2cli_query_directory.c new file mode 100644 index 0000000000..efc52d1ea7 --- /dev/null +++ b/libcli/smb/smb2cli_query_directory.c @@ -0,0 +1,208 @@ +/* + Unix SMB/CIFS implementation. + smb2 lib + Copyright (C) Volker Lendecke 2011 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "system/network.h" +#include "lib/util/tevent_ntstatus.h" +#include "smb_common.h" +#include "smbXcli_base.h" + +struct smb2cli_query_directory_state { + uint8_t fixed[32]; + uint8_t dyn_pad[1]; + struct iovec *recv_iov; + uint8_t *data; + uint32_t data_length; +}; + +static void smb2cli_query_directory_done(struct tevent_req *subreq); + +struct tevent_req *smb2cli_query_directory_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct smbXcli_conn *conn, + uint32_t timeout_msec, + struct smbXcli_session *session, + uint32_t tcon_id, + uint8_t level, + uint8_t flags, + uint32_t file_index, + uint64_t fid_persistent, + uint64_t fid_volatile, + const char *mask, + uint32_t outbuf_len) +{ + struct tevent_req *req, *subreq; + struct smb2cli_query_directory_state *state; + uint8_t *fixed; + uint8_t *dyn; + size_t dyn_len; + + req = tevent_req_create(mem_ctx, &state, + struct smb2cli_query_directory_state); + if (req == NULL) { + return NULL; + } + + if (!convert_string_talloc(state, CH_UNIX, CH_UTF16, + mask, strlen(mask), + &dyn, &dyn_len)) { + tevent_req_oom(req); + return tevent_req_post(req, ev); + } + + if (strlen(mask) == 0) { + TALLOC_FREE(dyn); + dyn_len = 0; + } + + fixed = state->fixed; + SSVAL(fixed, 0, 33); + SCVAL(fixed, 2, level); + SCVAL(fixed, 3, flags); + SIVAL(fixed, 4, file_index); + SBVAL(fixed, 8, fid_persistent); + SBVAL(fixed, 16, fid_volatile); + SSVAL(fixed, 24, SMB2_HDR_BODY + 32); + SSVAL(fixed, 26, dyn_len); + SSVAL(fixed, 28, outbuf_len); + + if (dyn_len == 0) { + dyn = state->dyn_pad; + dyn_len = sizeof(state->dyn_pad); + } + + subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_FIND, + 0, 0, /* flags */ + timeout_msec, + 0xFEFF, /* pid */ + tcon_id, + session, + state->fixed, sizeof(state->fixed), + dyn, dyn_len); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, smb2cli_query_directory_done, req); + return req; +} + +static void smb2cli_query_directory_done(struct tevent_req *subreq) +{ + struct tevent_req *req = + tevent_req_callback_data(subreq, + struct tevent_req); + struct smb2cli_query_directory_state *state = + tevent_req_data(req, + struct smb2cli_query_directory_state); + NTSTATUS status; + struct iovec *iov; + uint16_t data_offset; + static const struct smb2cli_req_expected_response expected[] = { + { + .status = NT_STATUS_OK, + .body_size = 0x09 + } + }; + + status = smb2cli_req_recv(subreq, state, &iov, + expected, ARRAY_SIZE(expected)); + if (tevent_req_nterror(req, status)) { + return; + } + + data_offset = SVAL(iov[1].iov_base, 2); + state->data_length = IVAL(iov[1].iov_base, 4); + + if ((data_offset != SMB2_HDR_BODY + 8) || + (state->data_length > iov[2].iov_len)) { + tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); + return; + } + + state->recv_iov = iov; + state->data = (uint8_t *)iov[2].iov_base; + tevent_req_done(req); +} + +NTSTATUS smb2cli_query_directory_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + uint8_t **data, + uint32_t *data_length) +{ + struct smb2cli_query_directory_state *state = + tevent_req_data(req, + struct smb2cli_query_directory_state); + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + return status; + } + talloc_steal(mem_ctx, state->recv_iov); + *data_length = state->data_length; + *data = state->data; + return NT_STATUS_OK; +} + +NTSTATUS smb2cli_query_directory(struct smbXcli_conn *conn, + uint32_t timeout_msec, + struct smbXcli_session *session, + uint32_t tcon_id, + uint8_t level, + uint8_t flags, + uint32_t file_index, + uint64_t fid_persistent, + uint64_t fid_volatile, + const char *mask, + uint32_t outbuf_len, + TALLOC_CTX *mem_ctx, + uint8_t **data, + uint32_t *data_length) +{ + TALLOC_CTX *frame = talloc_stackframe(); + struct tevent_context *ev; + struct tevent_req *req; + NTSTATUS status = NT_STATUS_NO_MEMORY; + + if (smbXcli_conn_has_async_calls(conn)) { + /* + * Can't use sync call while an async call is in flight + */ + status = NT_STATUS_INVALID_PARAMETER; + goto fail; + } + ev = tevent_context_init(frame); + if (ev == NULL) { + goto fail; + } + req = smb2cli_query_directory_send(frame, ev, conn, timeout_msec, + session, tcon_id, level, flags, + file_index, fid_persistent, + fid_volatile, mask, outbuf_len); + if (req == NULL) { + goto fail; + } + if (!tevent_req_poll_ntstatus(req, ev, &status)) { + goto fail; + } + status = smb2cli_query_directory_recv(req, mem_ctx, + data, data_length); + fail: + TALLOC_FREE(frame); + return status; +} diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h index 14d33ec678..9d0db39eb8 100644 --- a/libcli/smb/smbXcli_base.h +++ b/libcli/smb/smbXcli_base.h @@ -469,4 +469,36 @@ NTSTATUS smb2cli_query_info(struct smbXcli_conn *conn, TALLOC_CTX *mem_ctx, DATA_BLOB *out_output_buffer); +struct tevent_req *smb2cli_query_directory_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct smbXcli_conn *conn, + uint32_t timeout_msec, + struct smbXcli_session *session, + uint32_t tcon_id, + uint8_t level, + uint8_t flags, + uint32_t file_index, + uint64_t fid_persistent, + uint64_t fid_volatile, + const char *mask, + uint32_t outbuf_len); +NTSTATUS smb2cli_query_directory_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + uint8_t **data, + uint32_t *data_length); +NTSTATUS smb2cli_query_directory(struct smbXcli_conn *conn, + uint32_t timeout_msec, + struct smbXcli_session *session, + uint32_t tcon_id, + uint8_t level, + uint8_t flags, + uint32_t file_index, + uint64_t fid_persistent, + uint64_t fid_volatile, + const char *mask, + uint32_t outbuf_len, + TALLOC_CTX *mem_ctx, + uint8_t **data, + uint32_t *data_length); + #endif /* _SMBXCLI_BASE_H_ */ diff --git a/libcli/smb/wscript_build b/libcli/smb/wscript_build index f7df3eee41..391c0541d2 100755 --- a/libcli/smb/wscript_build +++ b/libcli/smb/wscript_build @@ -16,6 +16,7 @@ bld.SAMBA_LIBRARY('cli_smb_common', smb2cli_flush.c smb2cli_set_info.c smb2cli_query_info.c + smb2cli_query_directory.c ''', deps='LIBCRYPTO errors gensec krb5samba LIBASYNC_REQ', public_deps='talloc samba-util', |