+++ /dev/null
-// $Id: vcopy.c 2403 2006-11-24 23:06:08Z dhozac $ --*- c -*--
-
-// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//
-// 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; version 2 of the License.
-//
-// 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, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "util.h"
-#include "vserver.h"
-
-#include "lib_internal/matchlist.h"
-#include "lib_internal/unify.h"
-
-#include <unistd.h>
-#include <getopt.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <errno.h>
-#include <assert.h>
-#include <utime.h>
-#include <libgen.h>
-#include <sys/param.h>
-
-#define ENSC_WRAPPERS_UNISTD 1
-#define ENSC_WRAPPERS_FCNTL 1
-#define ENSC_WRAPPERS_DIRENT 1
-#include <wrappers.h>
-
-#define CMD_HELP 0x8000
-#define CMD_VERSION 0x8001
-#define CMD_MANUALLY 0x8002
-#define CMD_STRICT 0x8003
-
-struct WalkdownInfo
-{
- PathInfo state;
- struct MatchList dst_list;
- struct MatchList src_list;
-};
-
-struct Arguments {
- enum {mdMANUALLY, mdVSERVER} mode;
- bool do_dry_run;
- unsigned int verbosity;
- bool local_fs;
- bool is_strict;
-};
-
-static struct WalkdownInfo global_info;
-static struct Arguments const * global_args;
-
-int wrapper_exit_code = 1;
-
-struct option const
-CMDLINE_OPTIONS[] = {
- { "help", no_argument, 0, CMD_HELP },
- { "version", no_argument, 0, CMD_VERSION },
- { "manually", no_argument, 0, CMD_MANUALLY },
- { "strict", no_argument, 0, CMD_STRICT },
- { 0,0,0,0 }
-};
-
-typedef enum { opUNIFY, opCOPY, opDIR, opSKIP } Operation;
-
-static void
-showHelp(int fd, char const *cmd, int res)
-{
- VSERVER_DECLARE_CMD(cmd);
-
- WRITE_MSG(fd, "Usage:\n ");
- WRITE_STR(fd, cmd);
- WRITE_MSG(fd,
- " [-nv] [--strict] <dst-vserver> <src-vserver>\n or\n ");
- WRITE_STR(fd, cmd);
- WRITE_MSG(fd,
- " --manually [-nvx] [--] <dst-path> <dst-excludelist> <src-path> <src-excludelist>\n\n"
- " --manually ... unify generic paths; excludelists must be generated\n"
- " manually\n"
- " --strict ... require an existing vserver configuration for dst-vserver;\n"
- " by default, a base skeleton will be created but manual\n"
- " configuration wil be still needed to make the new vserver work\n"
- " -n ... do not modify anything; just show what there will be\n"
- " done (in combination with '-v')\n"
- " -v ... verbose mode\n"
- " -x ... do not cross filesystems; this is valid in manual\n"
- " mode only and will be ignored for vserver unification\n\n"
- "Please report bugs to " PACKAGE_BUGREPORT "\n");
- exit(res);
-}
-
-static void
-showVersion()
-{
- WRITE_MSG(1,
- "vcopy " VERSION " -- copies directories and vserver files\n"
- "This program is part of " PACKAGE_STRING "\n\n"
- "Copyright (C) 2003,2004 Enrico Scholz\n"
- VERSION_COPYRIGHT_DISCLAIMER);
- exit(0);
-}
-
-int Global_getVerbosity() {
- return global_args->verbosity;
-}
-
-bool Global_doRenew() {
- return true;
-}
-
-#include "vserver-visitdir.hc"
-
-static Operation
-checkDirEntry(PathInfo const *path, struct stat const *st)
-{
- struct WalkdownInfo const * const info = &global_info;
- MatchType res;
-
- // when marked as 'skip' in the first excludelist already, we do not need to
- // visit the second one since it could not change that.
- res=MatchList_compare(&info->dst_list, path->d);
- if (res!=stSKIP) {
- MatchType tmp = MatchList_compare(&info->src_list, path->d);
-
- // stINCLUDE gets overridden by stEXCLUDE+stSKIP, and stEXCLUDE by stSKIP.
- // Using the MAX() macro is a hack but it works
- res=MAX(res,tmp);
- }
-
- // non-skipped directories are marked as opDIR
- if (res!=stSKIP && S_ISDIR(st->st_mode))
- return opDIR;
-
- // non-skipped symlinks will be copied always
- if (res!=stSKIP && S_ISLNK(st->st_mode))
- return opCOPY;
-
- // skipped files or non regular files (character/block devices) will be skipped
- // always
- if (res==stSKIP || !S_ISREG(st->st_mode))
- return opSKIP;
-
- switch (res) {
- case stINCLUDE : return opUNIFY;
- case stEXCLUDE : return opCOPY;
- case stSKIP : assert(false); // already handled above
- default : assert(false); abort();
- }
-}
-
-static bool
-doit(Operation op,
- PathInfo const *dst_path,
- PathInfo const *src_path, struct stat const *exp_stat,
- PathInfo const *show_path)
-{
-#if 0
- struct stat st;
-
- if (lstat(dst_path->d, &st)!=-1) {
- if (global_args->do_keep &&
- (!S_ISDIR(exp_stat->st_mode) || S_ISDIR(st.st_mode))) {
- // when keep-mode is enable and, do nothing
- if (global_args->do_dry_run || global_args->verbosity>1) {
- WRITE_MSG(1, "keeping '");
- write(1, show_path->d, show_path->l);
- WRITE_MSG(1, "'\n");
- }
- return true;
- }
-
- }
-#endif
-
- if (global_args->do_dry_run || global_args->verbosity>1) {
- if (op==opUNIFY) WRITE_MSG(1, "linking '");
- else if (op==opCOPY) WRITE_MSG(1, "copying '");
- else if (op==opDIR) WRITE_MSG(1, "creating '");
- else if (op==opSKIP) WRITE_MSG(1, "skipping '");
- else { assert(false); abort(); }
-
- Vwrite(1, show_path->d, show_path->l);
- WRITE_MSG(1, "'\n");
- }
-
- return (global_args->do_dry_run ||
- ( op==opSKIP) ||
- ( op==opUNIFY && Unify_unify(src_path->d, exp_stat, dst_path->d, false)) ||
- ((op==opCOPY ||
- op==opDIR) && Unify_copy (src_path->d, exp_stat, dst_path->d)));
-}
-
-static uint64_t
-visitDirEntry(struct dirent const *ent)
-{
- char const * dirname = ent->d_name;
- if (isDotfile(dirname)) return 0;
-
- uint64_t res = 1;
- PathInfo src_path = global_info.state;
- PathInfo src_d_path = {
- .d = dirname,
- .l = strlen(dirname)
- };
- char path_buf[ENSC_PI_APPSZ(src_path, src_d_path)];
- struct stat f_stat = { .st_dev = 0 };
-
- PathInfo_append(&src_path, &src_d_path, path_buf);
-
-
- if (lstat(dirname, &f_stat)==-1)
- perror("lstat()");
- else {
- Operation op = checkDirEntry(&src_path, &f_stat);
- PathInfo dst_path = global_info.dst_list.root;
- char dst_path_buf[ENSC_PI_APPSZ(dst_path, src_path)];
-
- PathInfo_append(&dst_path, &src_path, dst_path_buf);
- if (!doit(op, &dst_path, &src_d_path, &f_stat, &src_path))
- perror(src_path.d);
- else if (op==opDIR) {
- res = visitDir(dirname, &f_stat);
- if (!global_args->do_dry_run &&
- !Unify_setTime(dst_path.d, &f_stat))
- perror("utime()");
- }
- else
- res = 0;
- }
-
- return res;
-}
-
-#include "vcopy-init.hc"
-
-int main(int argc, char *argv[])
-{
- struct Arguments args = {
- .mode = mdVSERVER,
- .do_dry_run = false,
- .verbosity = 0,
- .local_fs = false,
- };
- uint64_t res;
-
- global_args = &args;
- while (1) {
- int c = getopt_long(argc, argv, "nvcx",
- CMDLINE_OPTIONS, 0);
- if (c==-1) break;
-
- switch (c) {
- case CMD_HELP : showHelp(1, argv[0], 0);
- case CMD_VERSION : showVersion();
- case CMD_MANUALLY : args.mode = mdMANUALLY; break;
- case CMD_STRICT : args.is_strict = true; break;
- case 'n' : args.do_dry_run = true; break;
- case 'x' : args.local_fs = true; break;
- case 'v' : ++args.verbosity; break;
- default :
- WRITE_MSG(2, "Try '");
- WRITE_STR(2, argv[0]);
- WRITE_MSG(2, " --help' for more information.\n");
- return EXIT_FAILURE;
- break;
- }
- }
-
- if (argc==optind) {
- WRITE_MSG(2, "No directory/vserver given\n");
- return EXIT_FAILURE;
- }
-
- switch (args.mode) {
- case mdMANUALLY : initModeManually(argc-optind, argv+optind); break;
- case mdVSERVER : initModeVserver (argc-optind, argv+optind); break;
- default : assert(false); return EXIT_FAILURE;
- }
-
- if (global_args->verbosity>3)
- WRITE_MSG(1, "Starting to traverse directories...\n");
-
- Echdir(global_info.src_list.root.d);
- res = visitDir("/", 0);
-
-#ifndef NDEBUG
- {
- MatchList_destroy(&global_info.dst_list);
- MatchList_destroy(&global_info.src_list);
- }
-#endif
-
- return res>0 ? 1 : 0;
-}
git://git.onelab.eu / util-vserver.git / blobdiff