Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 239 insertions, 0 deletions

diff --git a/source4/libcli/smb2/getinfo.c b/source4/libcli/smb2/getinfo.c
new file mode 100644
index 0000000..5ffb988
--- /dev/null
+++ b/source4/libcli/smb2/getinfo.c
@@ -0,0 +1,239 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   SMB2 client getinfo 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 getinfo request
+*/
+struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getinfo *io)
+{
+	struct smb2_request *req;
+	NTSTATUS status;
+	size_t max_payload;
+
+	req = smb2_request_init_tree(tree, SMB2_OP_GETINFO, 0x28, true, 
+				     io->in.input_buffer.length);
+	if (req == NULL) return NULL;
+
+	SCVAL(req->out.body, 0x02, io->in.info_type);
+	SCVAL(req->out.body, 0x03, io->in.info_class);
+	SIVAL(req->out.body, 0x04, io->in.output_buffer_length);
+	/*
+	 * uint16_t input_buffer_offset
+	 * uint16_t reserved
+	 * uint32_t input_buffer_length
+	 *
+	 * We use smb2_push_o32s32_blob() which would
+	 * expect uint32_t offset, uint32_t length.
+	 *
+	 * Everything is little endian, we can just
+	 * overwrite the reserved field later.
+	 */
+	SIVAL(req->out.body, 0x10, io->in.additional_information);
+	SIVAL(req->out.body, 0x14, io->in.getinfo_flags);
+	smb2_push_handle(req->out.body+0x18, &io->in.file.handle);
+
+	/* this blob is used for quota queries */
+	status = smb2_push_o32s32_blob(&req->out, 0x08, io->in.input_buffer);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(req);
+		return NULL;
+	}
+	SSVAL(req->out.body, 0x0C, io->in.reserved);
+
+	max_payload = MAX(io->in.output_buffer_length, io->in.input_buffer.length);
+	req->credit_charge = (MAX(max_payload, 1) - 1)/ 65536 + 1;
+
+	smb2_transport_send(req);
+
+	return req;
+}
+
+
+/*
+  recv a getinfo reply
+*/
+NTSTATUS smb2_getinfo_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
+			   struct smb2_getinfo *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_o16s16_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 getinfo request
+*/
+NTSTATUS smb2_getinfo(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
+		      struct smb2_getinfo *io)
+{
+	struct smb2_request *req = smb2_getinfo_send(tree, io);
+	return smb2_getinfo_recv(req, mem_ctx, io);
+}
+
+
+/*
+  map a generic info level to a SMB2 info level
+*/
+uint16_t smb2_getinfo_map_level(uint16_t level, uint8_t info_class)
+{
+	if (info_class == SMB2_0_INFO_FILE &&
+	    level == RAW_FILEINFO_SEC_DESC) {
+		return SMB2_0_INFO_SECURITY;
+	}
+	if ((level & 0xFF) == info_class) {
+		return level;
+	} else if (level > 1000) {
+		return ((level-1000)<<8) | info_class;
+	}
+	DEBUG(0,("Unable to map SMB2 info level 0x%04x of class %d\n",
+		 level, info_class));
+	return 0;	
+}
+
+/*
+  level specific getinfo call - async send
+*/
+struct smb2_request *smb2_getinfo_file_send(struct smb2_tree *tree, union smb_fileinfo *io)
+{
+	struct smb2_getinfo b;
+	uint16_t smb2_level = smb2_getinfo_map_level(
+		io->generic.level, SMB2_0_INFO_FILE);
+	
+	if (smb2_level == 0) {
+		return NULL;
+	}
+
+	ZERO_STRUCT(b);
+	b.in.info_type            = smb2_level & 0xFF;
+	b.in.info_class           = smb2_level >> 8;
+	b.in.output_buffer_length = 0x10000;
+	b.in.input_buffer         = data_blob_null;
+	b.in.file.handle          = io->generic.in.file.handle;
+
+	if (io->generic.level == RAW_FILEINFO_SEC_DESC) {
+		b.in.additional_information = io->query_secdesc.in.secinfo_flags;
+	}
+	if (io->generic.level == RAW_FILEINFO_SMB2_ALL_EAS) {
+		b.in.getinfo_flags = io->all_eas.in.continue_flags;
+	}
+
+	return smb2_getinfo_send(tree, &b);
+}
+
+/*
+  recv a getinfo reply and parse the level info
+*/
+NTSTATUS smb2_getinfo_file_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
+				union smb_fileinfo *io)
+{
+	struct smb2_getinfo b;
+	NTSTATUS status;
+
+	status = smb2_getinfo_recv(req, mem_ctx, &b);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = smb_raw_fileinfo_passthru_parse(&b.out.blob, mem_ctx, io->generic.level, io);
+	data_blob_free(&b.out.blob);
+
+	return status;
+}
+
+/*
+  level specific getinfo call
+*/
+NTSTATUS smb2_getinfo_file(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, 
+			   union smb_fileinfo *io)
+{
+	struct smb2_request *req = smb2_getinfo_file_send(tree, io);
+	return smb2_getinfo_file_recv(req, mem_ctx, io);
+}
+
+
+/*
+  level specific getinfo call - async send
+*/
+struct smb2_request *smb2_getinfo_fs_send(struct smb2_tree *tree, union smb_fsinfo *io)
+{
+	struct smb2_getinfo b;
+	uint16_t smb2_level = smb2_getinfo_map_level(
+		io->generic.level, SMB2_0_INFO_FILESYSTEM);
+	
+	if (smb2_level == 0) {
+		return NULL;
+	}
+	
+	ZERO_STRUCT(b);
+	b.in.output_buffer_length = 0x10000;
+	b.in.file.handle          = io->generic.handle;
+	b.in.info_type            = smb2_level & 0xFF;
+	b.in.info_class           = smb2_level >> 8;
+
+	return smb2_getinfo_send(tree, &b);
+}
+
+/*
+  recv a getinfo reply and parse the level info
+*/
+NTSTATUS smb2_getinfo_fs_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
+				union smb_fsinfo *io)
+{
+	struct smb2_getinfo b = {
+		.in = {0},
+	};
+	NTSTATUS status;
+
+	status = smb2_getinfo_recv(req, mem_ctx, &b);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = smb_raw_fsinfo_passthru_parse(b.out.blob, mem_ctx, io->generic.level, io);
+	data_blob_free(&b.out.blob);
+
+	return status;
+}
+
+/*
+  level specific getinfo call
+*/
+NTSTATUS smb2_getinfo_fs(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, 
+			   union smb_fsinfo *io)
+{
+	struct smb2_request *req = smb2_getinfo_fs_send(tree, io);
+	return smb2_getinfo_fs_recv(req, mem_ctx, io);
+}
+