/* * Unix SMB/CIFS implementation. * Group Policy Object Support * * Copyright (C) Guenther Deschner 2006 * Copyright (C) Wilco Baan Hofman 2008 * * 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/libcli.h" #include "system/filesys.h" struct sync_context { TALLOC_CTX *mem_ctx; struct smbcli_state *cli; char *remote_path; char *local_path; char *mask; uint16_t attribute; }; static void gpo_sync_func(struct clilist_file_info *info, const char *mask, void *state); NTSTATUS gpo_copy_file(TALLOC_CTX *mem_ctx, struct smbcli_state *cli, const char *nt_path, const char *unix_path) { NTSTATUS result; int fnum; int fd = 0; char *data = NULL; static int io_bufsize = 64512; int read_size = io_bufsize; off_t nread = 0; if ((fnum = smbcli_open(cli->tree, nt_path, O_RDONLY, DENY_NONE)) == -1) { result = NT_STATUS_NO_SUCH_FILE; 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 = talloc_size(mem_ctx, read_size)) == NULL) { result = NT_STATUS_NO_MEMORY; goto out; } while (1) { int n = smbcli_read(cli->tree, fnum, data, nread, read_size); if (n <= 0) break; if (write(fd, data, n) != n) { break; } nread += n; } result = NT_STATUS_OK; out: SAFE_FREE(data); if (fnum) { smbcli_close(cli->tree, fnum); } if (fd) { close(fd); } return result; } /**************************************************************** copy dir ****************************************************************/ static NTSTATUS gpo_copy_dir(const char *nt_dir, const char *unix_path) { if ((mkdir(unix_path, 0644)) < 0 && errno != EEXIST) { return NT_STATUS_ACCESS_DENIED; } return NT_STATUS_OK; } /**************************************************************** sync files ****************************************************************/ static bool gpo_sync_files(struct sync_context *ctx) { DEBUG(3,("calling cli_list with mask: %s\n", ctx->mask)); if (smbcli_list(ctx->cli->tree, ctx->mask, ctx->attribute, gpo_sync_func, ctx) == -1) { DEBUG(1,("listing [%s] failed with error: %s\n", ctx->mask, smbcli_errstr(ctx->cli->tree))); return false; } return true; } /**************************************************************** syncronisation call back ****************************************************************/ static void gpo_sync_func(struct clilist_file_info *info, const char *mask, void *state) { NTSTATUS result; struct sync_context *ctx; char *nt_filename, *unix_filename; char *nt_dir, *unix_dir; char *old_nt_dir, *old_unix_dir; ctx = (struct sync_context *)state; if (strequal(info->name, ".") || strequal(info->name, "..")) { return; } DEBUG(5,("gpo_sync_func: got mask: [%s], name: [%s]\n", mask, info->name)); if (info->attrib & FILE_ATTRIBUTE_DIRECTORY) { DEBUG(3,("got dir: [%s]\n", info->name)); nt_dir = talloc_asprintf(ctx->mem_ctx, "%s\\%s", ctx->remote_path, info->name); unix_dir = talloc_asprintf(ctx->mem_ctx, "%s/%s", ctx->local_path, info->name); result = gpo_copy_dir(nt_dir, unix_dir); if (!NT_STATUS_IS_OK(result)) { DEBUG(1,("failed to copy dir: %s\n", nt_errstr(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; } if (!gpo_sync_files(ctx)) { DEBUG(0,("could not sync files\n")); } ctx->remote_path = old_nt_dir; ctx->local_path = old_unix_dir; return; } DEBUG(3,("got file: [%s]\n", info->name)); nt_filename = talloc_asprintf(ctx->mem_ctx, "%s\\%s", ctx->remote_path, info->name); unix_filename = talloc_asprintf(ctx->mem_ctx, "%s/%s", ctx->local_path, 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))); } } /**************************************************************** list a remote directory and download recursivly ****************************************************************/ NTSTATUS gpo_sync_directories(TALLOC_CTX *mem_ctx, struct smbcli_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; } if (!gpo_sync_files(&ctx)) { return NT_STATUS_NO_SUCH_FILE; } return NT_STATUS_OK; }