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867626abca
If needed, the callback functions can count themselves
241 lines
5.5 KiB
C
241 lines
5.5 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Group Policy Object Support
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* Copyright (C) Guenther Deschner 2006
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "../libgpo/gpo.h"
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#include "libgpo/gpo_proto.h"
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struct sync_context {
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TALLOC_CTX *mem_ctx;
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struct cli_state *cli;
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char *remote_path;
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char *local_path;
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char *mask;
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uint16_t attribute;
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};
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static void gpo_sync_func(const char *mnt,
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struct file_info *info,
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const char *mask,
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void *state);
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NTSTATUS gpo_copy_file(TALLOC_CTX *mem_ctx,
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struct cli_state *cli,
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const char *nt_path,
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const char *unix_path)
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{
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NTSTATUS result;
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uint16_t fnum;
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int fd = -1;
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char *data = NULL;
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static int io_bufsize = 64512;
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int read_size = io_bufsize;
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off_t nread = 0;
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result = cli_open(cli, nt_path, O_RDONLY, DENY_NONE, &fnum);
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if (!NT_STATUS_IS_OK(result)) {
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goto out;
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}
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if ((fd = sys_open(unix_path, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) {
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result = map_nt_error_from_unix(errno);
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goto out;
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}
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if ((data = (char *)SMB_MALLOC(read_size)) == NULL) {
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result = NT_STATUS_NO_MEMORY;
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goto out;
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}
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while (1) {
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int n = cli_read(cli, fnum, data, nread, read_size);
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if (n <= 0)
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break;
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if (write(fd, data, n) != n) {
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break;
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}
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nread += n;
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}
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result = NT_STATUS_OK;
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out:
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SAFE_FREE(data);
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if (fnum) {
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cli_close(cli, fnum);
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}
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if (fd != -1) {
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close(fd);
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}
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return result;
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}
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/****************************************************************
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copy dir
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****************************************************************/
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static NTSTATUS gpo_copy_dir(const char *unix_path)
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{
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if ((mkdir(unix_path, 0644)) < 0 && errno != EEXIST) {
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return NT_STATUS_ACCESS_DENIED;
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}
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return NT_STATUS_OK;
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}
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/****************************************************************
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sync files
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****************************************************************/
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static bool gpo_sync_files(struct sync_context *ctx)
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{
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NTSTATUS status;
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DEBUG(3,("calling cli_list with mask: %s\n", ctx->mask));
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status = cli_list(ctx->cli, ctx->mask, ctx->attribute, gpo_sync_func,
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ctx);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(1, ("listing [%s] failed with error: %s\n",
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ctx->mask, nt_errstr(status)));
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return false;
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}
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return true;
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}
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/****************************************************************
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syncronisation call back
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****************************************************************/
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static void gpo_sync_func(const char *mnt,
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struct file_info *info,
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const char *mask,
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void *state)
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{
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NTSTATUS result;
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struct sync_context *ctx;
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fstring nt_filename, unix_filename;
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fstring nt_dir, unix_dir;
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char *old_nt_dir, *old_unix_dir;
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ctx = (struct sync_context *)state;
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if (strequal(info->name, ".") || strequal(info->name, "..")) {
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return;
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}
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DEBUG(5,("gpo_sync_func: got mask: [%s], name: [%s]\n",
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mask, info->name));
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if (info->mode & aDIR) {
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DEBUG(3,("got dir: [%s]\n", info->name));
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fstrcpy(nt_dir, ctx->remote_path);
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fstrcat(nt_dir, "\\");
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fstrcat(nt_dir, info->name);
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fstrcpy(unix_dir, ctx->local_path);
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fstrcat(unix_dir, "/");
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fstrcat(unix_dir, info->name);
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result = gpo_copy_dir(unix_dir);
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if (!NT_STATUS_IS_OK(result)) {
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DEBUG(1,("failed to copy dir: %s\n",
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nt_errstr(result)));
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}
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old_nt_dir = ctx->remote_path;
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ctx->remote_path = talloc_strdup(ctx->mem_ctx, nt_dir);
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old_unix_dir = ctx->local_path;
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ctx->local_path = talloc_strdup(ctx->mem_ctx, unix_dir);
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ctx->mask = talloc_asprintf(ctx->mem_ctx,
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"%s\\*",
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nt_dir);
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if (!ctx->local_path || !ctx->mask || !ctx->remote_path) {
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DEBUG(0,("gpo_sync_func: ENOMEM\n"));
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return;
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}
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if (!gpo_sync_files(ctx)) {
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DEBUG(0,("could not sync files\n"));
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}
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ctx->remote_path = old_nt_dir;
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ctx->local_path = old_unix_dir;
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return;
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}
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DEBUG(3,("got file: [%s]\n", info->name));
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fstrcpy(nt_filename, ctx->remote_path);
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fstrcat(nt_filename, "\\");
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fstrcat(nt_filename, info->name);
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fstrcpy(unix_filename, ctx->local_path);
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fstrcat(unix_filename, "/");
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fstrcat(unix_filename, info->name);
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result = gpo_copy_file(ctx->mem_ctx, ctx->cli,
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nt_filename, unix_filename);
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if (!NT_STATUS_IS_OK(result)) {
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DEBUG(1,("failed to copy file: %s\n",
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nt_errstr(result)));
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}
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}
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/****************************************************************
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list a remote directory and download recursivly
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****************************************************************/
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NTSTATUS gpo_sync_directories(TALLOC_CTX *mem_ctx,
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struct cli_state *cli,
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const char *nt_path,
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const char *local_path)
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{
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struct sync_context ctx;
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ctx.mem_ctx = mem_ctx;
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ctx.cli = cli;
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ctx.remote_path = CONST_DISCARD(char *, nt_path);
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ctx.local_path = CONST_DISCARD(char *, local_path);
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ctx.attribute = (aSYSTEM | aHIDDEN | aDIR);
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ctx.mask = talloc_asprintf(mem_ctx,
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"%s\\*",
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nt_path);
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if (!ctx.mask) {
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return NT_STATUS_NO_MEMORY;
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}
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if (!gpo_sync_files(&ctx)) {
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return NT_STATUS_NO_SUCH_FILE;
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}
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return NT_STATUS_OK;
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}
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