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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /source4/libcli/smb2/find.c
parentInitial commit. (diff)
downloadsamba-4f5791ebd03eaec1c7da0865a383175b05102712.tar.xz
samba-4f5791ebd03eaec1c7da0865a383175b05102712.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'source4/libcli/smb2/find.c')
-rw-r--r--source4/libcli/smb2/find.c181
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);
+}