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Diffstat (limited to 'source4/libcli/smb2/find.c')
| -rw-r--r-- | source4/libcli/smb2/find.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/source4/libcli/smb2/find.c b/source4/libcli/smb2/find.c new file mode 100644 index 0000000..23ac737 --- /dev/null +++ b/source4/libcli/smb2/find.c @@ -0,0 +1,181 @@ +/* + Unix SMB/CIFS implementation. + + SMB2 client find calls + + Copyright (C) Andrew Tridgell 2005 + + 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 "libcli/raw/libcliraw.h" +#include "libcli/raw/raw_proto.h" +#include "libcli/smb2/smb2.h" +#include "libcli/smb2/smb2_calls.h" + +/* + send a find request +*/ +struct smb2_request *smb2_find_send(struct smb2_tree *tree, struct smb2_find *io) +{ + struct smb2_request *req; + NTSTATUS status; + + req = smb2_request_init_tree(tree, SMB2_OP_QUERY_DIRECTORY, 0x20, true, 0); + if (req == NULL) return NULL; + req->credit_charge = (MAX(io->in.max_response_size, 1) - 1)/ 65536 + 1; + + SCVAL(req->out.body, 0x02, io->in.level); + SCVAL(req->out.body, 0x03, io->in.continue_flags); + SIVAL(req->out.body, 0x04, io->in.file_index); + smb2_push_handle(req->out.body+0x08, &io->in.file.handle); + + status = smb2_push_o16s16_string(&req->out, 0x18, io->in.pattern); + if (!NT_STATUS_IS_OK(status)) { + talloc_free(req); + return NULL; + } + + SIVAL(req->out.body, 0x1C, io->in.max_response_size); + + smb2_transport_send(req); + + return req; +} + + +/* + recv a find reply +*/ +NTSTATUS smb2_find_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, + struct smb2_find *io) +{ + NTSTATUS status; + + if (!smb2_request_receive(req) || + smb2_request_is_error(req)) { + return smb2_request_destroy(req); + } + + SMB2_CHECK_PACKET_RECV(req, 0x08, true); + + status = smb2_pull_o16s32_blob(&req->in, mem_ctx, + req->in.body+0x02, &io->out.blob); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + return smb2_request_destroy(req); +} + +/* + sync find request +*/ +NTSTATUS smb2_find(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, + struct smb2_find *io) +{ + struct smb2_request *req = smb2_find_send(tree, io); + return smb2_find_recv(req, mem_ctx, io); +} + + +/* + a varient of smb2_find_recv that parses the resulting blob into + smb_search_data structures +*/ +NTSTATUS smb2_find_level_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx, + uint8_t level, unsigned int *count, + union smb_search_data **io) +{ + struct smb2_find f; + NTSTATUS status; + DATA_BLOB b; + enum smb_search_data_level smb_level; + unsigned int next_ofs=0; + + switch (level) { + case SMB2_FIND_DIRECTORY_INFO: + smb_level = RAW_SEARCH_DATA_DIRECTORY_INFO; + break; + case SMB2_FIND_FULL_DIRECTORY_INFO: + smb_level = RAW_SEARCH_DATA_FULL_DIRECTORY_INFO; + break; + case SMB2_FIND_BOTH_DIRECTORY_INFO: + smb_level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO; + break; + case SMB2_FIND_NAME_INFO: + smb_level = RAW_SEARCH_DATA_NAME_INFO; + break; + case SMB2_FIND_ID_FULL_DIRECTORY_INFO: + smb_level = RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO; + break; + case SMB2_FIND_ID_BOTH_DIRECTORY_INFO: + smb_level = RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO; + break; + default: + return NT_STATUS_INVALID_INFO_CLASS; + } + + status = smb2_find_recv(req, mem_ctx, &f); + NT_STATUS_NOT_OK_RETURN(status); + + b = f.out.blob; + *io = NULL; + *count = 0; + + do { + union smb_search_data *io2; + + io2 = talloc_realloc(mem_ctx, *io, union smb_search_data, (*count)+1); + if (io2 == NULL) { + data_blob_free(&f.out.blob); + talloc_free(*io); + return NT_STATUS_NO_MEMORY; + } + *io = io2; + + status = smb_raw_search_common(*io, smb_level, &b, (*io) + (*count), + &next_ofs, STR_UNICODE); + + if (NT_STATUS_IS_OK(status) && + next_ofs >= b.length) { + data_blob_free(&f.out.blob); + talloc_free(*io); + return NT_STATUS_INFO_LENGTH_MISMATCH; + } + + (*count)++; + + b = data_blob_const(b.data+next_ofs, b.length - next_ofs); + } while (NT_STATUS_IS_OK(status) && next_ofs != 0); + + data_blob_free(&f.out.blob); + + return NT_STATUS_OK; +} + +/* + a varient of smb2_find that parses the resulting blob into + smb_search_data structures +*/ +NTSTATUS smb2_find_level(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, + struct smb2_find *f, + unsigned int *count, union smb_search_data **io) +{ + struct smb2_request *req; + + req = smb2_find_send(tree, f); + return smb2_find_level_recv(req, mem_ctx, f->in.level, count, io); +} |