gpo: Add python libgpo bindings

Split from "Initial commit for GPO work done by Luke Morrison" by David Mulder

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Luke Morrison <luke@hubtrek.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

1 files changed, 246 insertions, 0 deletions

diff --git a/libgpo/gpo_filesync.c b/libgpo/gpo_filesync.c
new file mode 100644
index 00000000000..6e3efdaf6c1
--- /dev/null
+++ b/libgpo/gpo_filesync.c
@@ -0,0 +1,246 @@
+/*
+ *  Unix SMB/CIFS implementation.
+ *  Group Policy Object Support
+ *  Copyright (C) Guenther Deschner 2006
+ *
+ *  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 "system/filesys.h"
+#include "libsmb/libsmb.h"
+#include "../libgpo/gpo.h"
+#include "libgpo/gpo_proto.h"
+
+struct sync_context {
+	TALLOC_CTX *mem_ctx;
+	struct cli_state *cli;
+	char *remote_path;
+	char *local_path;
+	char *mask;
+	uint16_t attribute;
+};
+
+static NTSTATUS gpo_sync_func(const char *mnt,
+			  struct file_info *info,
+			  const char *mask,
+			  void *state);
+
+NTSTATUS gpo_copy_file(TALLOC_CTX *mem_ctx,
+		       struct cli_state *cli,
+		       const char *nt_path,
+		       const char *unix_path)
+{
+	NTSTATUS result;
+	uint16_t fnum;
+	int fd = -1;
+	char *data = NULL;
+	static int io_bufsize = 64512;
+	int read_size = io_bufsize;
+	off_t nread = 0;
+
+	result = cli_openx(cli, nt_path, O_RDONLY, DENY_NONE, &fnum);
+	if (!NT_STATUS_IS_OK(result)) {
+		goto out;
+	}
+
+	if ((fd = open(unix_path, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) {
+		result = map_nt_error_from_unix(errno);
+		goto out;
+	}
+
+	if ((data = (char *)SMB_MALLOC(read_size)) == NULL) {
+		result = NT_STATUS_NO_MEMORY;
+		goto out;
+	}
+
+	while (1) {
+		size_t n = 0;
+
+		result = cli_read(cli, fnum, data, nread, read_size, &n);
+		if (!NT_STATUS_IS_OK(result)) {
+			goto out;
+		}
+
+		if (n == 0)
+			break;
+
+		if (write(fd, data, n) != n) {
+			break;
+		}
+
+		nread += n;
+	}
+
+	result = NT_STATUS_OK;
+
+ out:
+	SAFE_FREE(data);
+	if (fnum) {
+		cli_close(cli, fnum);
+	}
+	if (fd != -1) {
+		close(fd);
+	}
+
+	return result;
+}
+
+/****************************************************************
+ copy dir
+****************************************************************/
+
+static NTSTATUS gpo_copy_dir(const char *unix_path)
+{
+	if ((mkdir(unix_path, 0644)) < 0 && errno != EEXIST) {
+		return map_nt_error_from_unix(errno);
+	}
+
+	return NT_STATUS_OK;
+}
+
+/****************************************************************
+ sync files
+****************************************************************/
+
+static NTSTATUS gpo_sync_files(struct sync_context *ctx)
+{
+	NTSTATUS status;
+
+	DEBUG(3,("calling cli_list with mask: %s\n", ctx->mask));
+
+	status = cli_list(ctx->cli, ctx->mask, ctx->attribute, gpo_sync_func,
+			  ctx);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(1, ("listing [%s] failed with error: %s\n",
+			  ctx->mask, nt_errstr(status)));
+		return status;
+	}
+
+	return status;
+}
+
+/****************************************************************
+ syncronisation call back
+****************************************************************/
+
+static NTSTATUS gpo_sync_func(const char *mnt,
+			  struct file_info *info,
+			  const char *mask,
+			  void *state)
+{
+	NTSTATUS result;
+	struct sync_context *ctx;
+	fstring nt_filename, unix_filename;
+	fstring nt_dir, unix_dir;
+	char *old_nt_dir, *old_unix_dir;
+
+	ctx = (struct sync_context *)state;
+
+	if (strequal(info->name, ".") || strequal(info->name, "..")) {
+		return NT_STATUS_OK;
+	}
+
+	DEBUG(5,("gpo_sync_func: got mask: [%s], name: [%s]\n",
+		mask, info->name));
+
+	if (info->mode & FILE_ATTRIBUTE_DIRECTORY) {
+
+		DEBUG(3,("got dir: [%s]\n", info->name));
+
+		fstrcpy(nt_dir, ctx->remote_path);
+		fstrcat(nt_dir, "\\");
+		fstrcat(nt_dir, info->name);
+
+		fstrcpy(unix_dir, ctx->local_path);
+		fstrcat(unix_dir, "/");
+		fstrcat(unix_dir, info->name);
+
+		result = gpo_copy_dir(unix_dir);
+		if (!NT_STATUS_IS_OK(result)) {
+			DEBUG(1,("failed to copy dir: %s\n",
+				nt_errstr(result)));
+			return result;
+		}
+
+		old_nt_dir = ctx->remote_path;
+		ctx->remote_path = talloc_strdup(ctx->mem_ctx, nt_dir);
+
+		old_unix_dir = ctx->local_path;
+		ctx->local_path = talloc_strdup(ctx->mem_ctx, unix_dir);
+
+		ctx->mask = talloc_asprintf(ctx->mem_ctx,
+					"%s\\*",
+					nt_dir);
+		if (!ctx->local_path || !ctx->mask || !ctx->remote_path) {
+			DEBUG(0,("gpo_sync_func: ENOMEM\n"));
+			return NT_STATUS_NO_MEMORY;
+		}
+		result = gpo_sync_files(ctx);
+		if (!NT_STATUS_IS_OK(result)) {
+			DEBUG(0,("could not sync files\n"));
+			return result;
+		}
+
+		ctx->remote_path = old_nt_dir;
+		ctx->local_path = old_unix_dir;
+		return NT_STATUS_OK;
+	}
+
+	DEBUG(3,("got file: [%s]\n", info->name));
+
+	fstrcpy(nt_filename, ctx->remote_path);
+	fstrcat(nt_filename, "\\");
+	fstrcat(nt_filename, info->name);
+
+	fstrcpy(unix_filename, ctx->local_path);
+	fstrcat(unix_filename, "/");
+	fstrcat(unix_filename, info->name);
+
+	result = gpo_copy_file(ctx->mem_ctx, ctx->cli,
+			       nt_filename, unix_filename);
+	if (!NT_STATUS_IS_OK(result)) {
+		DEBUG(1,("failed to copy file: %s\n",
+			nt_errstr(result)));
+	}
+	return result;
+}
+
+
+/****************************************************************
+ list a remote directory and download recursivly
+****************************************************************/
+
+NTSTATUS gpo_sync_directories(TALLOC_CTX *mem_ctx,
+			      struct cli_state *cli,
+			      const char *nt_path,
+			      const char *local_path)
+{
+	struct sync_context ctx;
+
+	ctx.mem_ctx 	= mem_ctx;
+	ctx.cli 	= cli;
+	ctx.remote_path	= discard_const_p(char, nt_path);
+	ctx.local_path	= discard_const_p(char, local_path);
+	ctx.attribute 	= (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_DIRECTORY);
+
+	ctx.mask = talloc_asprintf(mem_ctx,
+				"%s\\*",
+				nt_path);
+	if (!ctx.mask) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	return gpo_sync_files(&ctx);
+}