added some SMB2 utility functions

(This used to be commit 6a3b1cd6698faa460c6258bb41b4936e363f4387)

2 files changed, 179 insertions, 1 deletions

diff --git a/source4/libcli/smb2/config.mk b/source4/libcli/smb2/config.mk
index e653fbac1c..00b6305def 100644
--- a/source4/libcli/smb2/config.mk
+++ b/source4/libcli/smb2/config.mk
@@ -5,6 +5,6 @@ LIBCLI_SMB2_OBJ_FILES = $(addprefix $(libclisrcdir)/smb2/, \
 	transport.o request.o negprot.o session.o tcon.o \
 	create.o close.o connect.o getinfo.o write.o read.o \
 	setinfo.o find.o ioctl.o logoff.o tdis.o flush.o \
-	lock.o notify.o cancel.o keepalive.o break.o)
+	lock.o notify.o cancel.o keepalive.o break.o util.o)
 
 $(eval $(call proto_header_template,$(libclisrcdir)/smb2/smb2_proto.h,$(LIBCLI_SMB2_OBJ_FILES:.o=.c)))
diff --git a/source4/libcli/smb2/util.c b/source4/libcli/smb2/util.c
new file mode 100644
index 0000000000..0fc03b48c5
--- /dev/null
+++ b/source4/libcli/smb2/util.c
@@ -0,0 +1,178 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   SMB2 client utility functions
+
+   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"
+#include "libcli/smb_composite/smb_composite.h"
+
+/*
+  simple close wrapper with SMB2
+*/
+NTSTATUS smb2_util_close(struct smb2_tree *tree, struct smb2_handle h)
+{
+	struct smb2_close c;
+
+	ZERO_STRUCT(c);
+	c.in.file.handle = h;
+
+	return smb2_close(tree, &c);
+}
+
+/*
+  unlink a file with SMB2
+*/
+NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname)
+{
+	union smb_unlink io;
+	
+	ZERO_STRUCT(io);
+	io.unlink.in.pattern = fname;
+
+	return smb2_composite_unlink(tree, &io);
+}
+
+
+/*
+  rmdir with SMB2
+*/
+NTSTATUS smb2_util_rmdir(struct smb2_tree *tree, const char *dname)
+{
+	struct smb_rmdir io;
+	
+	ZERO_STRUCT(io);
+	io.in.path = dname;
+
+	return smb2_composite_rmdir(tree, &io);
+}
+
+
+/*
+  mkdir with SMB2
+*/
+NTSTATUS smb2_util_mkdir(struct smb2_tree *tree, const char *dname)
+{
+	union smb_mkdir io;
+	
+	ZERO_STRUCT(io);
+	io.mkdir.level = RAW_MKDIR_MKDIR;
+	io.mkdir.in.path = dname;
+
+	return smb2_composite_mkdir(tree, &io);
+}
+
+
+
+
+/* 
+   recursively descend a tree deleting all files
+   returns the number of files deleted, or -1 on error
+*/
+int smb2_deltree(struct smb2_tree *tree, const char *dname)
+{
+	NTSTATUS status;
+	uint32_t total_deleted = 0;
+	uint_t count, i;
+	union smb_search_data *list;
+	TALLOC_CTX *tmp_ctx = talloc_new(tree);
+	struct smb2_find f;
+	struct smb2_create create_parm;
+
+	/* it might be a file */
+	status = smb2_util_unlink(tree, dname);
+	if (NT_STATUS_IS_OK(status)) {
+		talloc_free(tmp_ctx);
+		return 1;
+	}
+	if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
+	    NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
+	    NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_FILE)) {
+		talloc_free(tmp_ctx);
+		return 0;
+	}
+
+	ZERO_STRUCT(create_parm);
+	create_parm.in.desired_access = SEC_FLAG_MAXIMUM_ALLOWED;
+	create_parm.in.share_access = 
+		NTCREATEX_SHARE_ACCESS_READ|
+		NTCREATEX_SHARE_ACCESS_WRITE;
+	create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
+	create_parm.in.create_disposition = NTCREATEX_DISP_OPEN;
+	create_parm.in.fname = dname;
+
+	status = smb2_create(tree, tmp_ctx, &create_parm);
+	if (NT_STATUS_IS_ERR(status)) {
+		DEBUG(2,("Failed to open %s - %s\n", dname, nt_errstr(status)));
+		talloc_free(tmp_ctx);
+		return -1;
+	}
+	
+
+	ZERO_STRUCT(f);
+	f.in.file.handle       = create_parm.out.file.handle;
+	f.in.max_response_size = 0x10000;
+	f.in.level             = SMB2_FIND_NAME_INFO;
+	f.in.pattern           = "*";
+
+	status = smb2_find_level(tree, tmp_ctx, &f, &count, &list);
+	if (NT_STATUS_IS_ERR(status)) {
+		DEBUG(2,("Failed to list %s - %s\n", 
+			 dname, nt_errstr(status)));
+		smb2_util_close(tree, create_parm.out.file.handle);
+		talloc_free(tmp_ctx);
+		return -1;
+	}
+
+	for (i=0;i<count;i++) {
+		char *name;
+		if (strcmp(".", list[i].name_info.name.s) == 0 ||
+		    strcmp("..", list[i].name_info.name.s) == 0) {
+			continue;
+		}
+		name = talloc_asprintf(tmp_ctx, "%s\\%s", dname, list[i].name_info.name.s);
+		status = smb2_util_unlink(tree, name);
+		if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
+			int ret;
+			ret = smb2_deltree(tree, name);
+			if (ret > 0) total_deleted += ret;
+		}
+		talloc_free(name);
+		if (NT_STATUS_IS_OK(status)) {
+			total_deleted++;
+		}
+	}
+
+	smb2_util_close(tree, create_parm.out.file.handle);
+
+	status = smb2_util_rmdir(tree, dname);
+	if (NT_STATUS_IS_ERR(status)) {
+		DEBUG(2,("Failed to delete %s - %s\n", 
+			 dname, nt_errstr(status)));
+		talloc_free(tmp_ctx);
+		return -1;
+	}
+
+	talloc_free(tmp_ctx);
+
+	return total_deleted;
+}