181 lines
3.4 KiB
C
181 lines
3.4 KiB
C
/*
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Copyright (C) Andrew Tridgell 1998
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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syscall wrappers to ensure that nothing gets done in dry_run mode
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*/
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#include "rsync.h"
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extern int dry_run;
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extern int read_only;
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extern int list_only;
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#define CHECK_RO if (read_only || list_only) {errno = EROFS; return -1;}
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int do_unlink(char *fname)
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{
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if (dry_run) return 0;
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CHECK_RO
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return unlink(fname);
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}
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int do_symlink(char *fname1, char *fname2)
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{
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if (dry_run) return 0;
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CHECK_RO
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return symlink(fname1, fname2);
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}
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#if HAVE_LINK
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int do_link(char *fname1, char *fname2)
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{
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if (dry_run) return 0;
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CHECK_RO
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return link(fname1, fname2);
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}
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#endif
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int do_lchown(const char *path, uid_t owner, gid_t group)
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{
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if (dry_run) return 0;
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CHECK_RO
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return lchown(path, owner, group);
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}
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#if HAVE_MKNOD
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int do_mknod(char *pathname, mode_t mode, dev_t dev)
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{
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if (dry_run) return 0;
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CHECK_RO
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return mknod(pathname, mode, dev);
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}
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#endif
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int do_rmdir(char *pathname)
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{
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if (dry_run) return 0;
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CHECK_RO
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return rmdir(pathname);
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}
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int do_open(char *pathname, int flags, mode_t mode)
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{
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if (flags != O_RDONLY) {
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if (dry_run) return -1;
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CHECK_RO
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}
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#ifdef O_BINARY
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/* for Windows */
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flags |= O_BINARY;
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#endif
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/* some systems can't handle a double / */
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if (pathname[0] == '/' && pathname[1] == '/') pathname++;
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return open(pathname, flags, mode);
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}
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#if HAVE_CHMOD
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int do_chmod(const char *path, mode_t mode)
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{
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if (dry_run) return 0;
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CHECK_RO
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return chmod(path, mode);
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}
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#endif
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int do_rename(char *fname1, char *fname2)
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{
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if (dry_run) return 0;
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CHECK_RO
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return rename(fname1, fname2);
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}
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int do_mkdir(char *fname, mode_t mode)
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{
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if (dry_run) return 0;
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CHECK_RO
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return mkdir(fname, mode);
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}
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char *do_mktemp(char *template)
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{
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if (dry_run) return NULL;
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if (read_only) {errno = EROFS; return NULL;}
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return mktemp(template);
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}
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int do_stat(const char *fname, STRUCT_STAT *st)
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{
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#if HAVE_OFF64_T
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return stat64(fname, st);
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#else
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return stat(fname, st);
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#endif
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}
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#if SUPPORT_LINKS
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int do_lstat(const char *fname, STRUCT_STAT *st)
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{
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#if HAVE_OFF64_T
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return lstat64(fname, st);
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#else
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return lstat(fname, st);
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#endif
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}
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#endif
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int do_fstat(int fd, STRUCT_STAT *st)
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{
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#if HAVE_OFF64_T
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return fstat64(fd, st);
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#else
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return fstat(fd, st);
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#endif
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}
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OFF_T do_lseek(int fd, OFF_T offset, int whence)
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{
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#if HAVE_OFF64_T
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off64_t lseek64();
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return lseek64(fd, offset, whence);
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#else
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return lseek(fd, offset, whence);
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#endif
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}
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#ifdef USE_MMAP
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void *do_mmap(void *start, int len, int prot, int flags, int fd, OFF_T offset)
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{
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#if HAVE_OFF64_T
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return mmap64(start, len, prot, flags, fd, offset);
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#else
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return mmap(start, len, prot, flags, fd, offset);
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#endif
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}
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#endif
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char *d_name(struct dirent *di)
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{
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#if HAVE_BROKEN_READDIR
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return (di->d_name - 2);
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#else
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return di->d_name;
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#endif
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}
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