/* 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_FIND, 0x20, true, 0); if (req == NULL) return NULL; 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); }