From 0e74f780545b1aa8f6a5277b3cfdc9887c37ed5e Mon Sep 17 00:00:00 2001 From: Jiri Moskovcak Date: Wed, 8 Jun 2011 17:27:42 +0200 Subject: split libreport to a separate package --- src/lib/copy_file_recursive.c | 149 ------------------------------------------ 1 file changed, 149 deletions(-) delete mode 100644 src/lib/copy_file_recursive.c (limited to 'src/lib/copy_file_recursive.c') diff --git a/src/lib/copy_file_recursive.c b/src/lib/copy_file_recursive.c deleted file mode 100644 index 48108a1d..00000000 --- a/src/lib/copy_file_recursive.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - Copyright (C) 2011 ABRT team - Copyright (C) 2011 RedHat Inc - - 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 2 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, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#include "abrtlib.h" - -int copy_file_recursive(const char *source, const char *dest) -{ - /* This is a recursive function, try to minimize stack usage */ - /* NB: each struct stat is ~100 bytes */ - struct stat source_stat; - struct stat dest_stat; - int retval = 0; - int dest_exists = 0; - - if (strcmp(source, ".lock") == 0) - goto skip; - - if (stat(source, &source_stat) < 0) { - perror_msg("Can't stat '%s'", source); - return -1; - } - - if (lstat(dest, &dest_stat) < 0) { - if (errno != ENOENT) { - perror_msg("Can't stat '%s'", dest); - return -1; - } - } else { - if (source_stat.st_dev == dest_stat.st_dev - && source_stat.st_ino == dest_stat.st_ino - ) { - error_msg("'%s' and '%s' are the same file", source, dest); - return -1; - } - dest_exists = 1; - } - - if (S_ISDIR(source_stat.st_mode)) { - DIR *dp; - struct dirent *d; - - if (dest_exists) { - if (!S_ISDIR(dest_stat.st_mode)) { - error_msg("Target '%s' is not a directory", dest); - return -1; - } - /* race here: user can substitute a symlink between - * this check and actual creation of files inside dest */ - } else { - /* Create DEST */ - mode_t mode = source_stat.st_mode; - /* Allow owner to access new dir (at least for now) */ - mode |= S_IRWXU; - if (mkdir(dest, mode) < 0) { - perror_msg("Can't create directory '%s'", dest); - return -1; - } - } - /* Recursively copy files in SOURCE */ - dp = opendir(source); - if (dp == NULL) { - retval = -1; - goto ret; - } - - while (retval == 0 && (d = readdir(dp)) != NULL) { - char *new_source, *new_dest; - - if (dot_or_dotdot(d->d_name)) - continue; - new_source = concat_path_file(source, d->d_name); - new_dest = concat_path_file(dest, d->d_name); - if (copy_file_recursive(new_source, new_dest) < 0) - retval = -1; - free(new_source); - free(new_dest); - } - closedir(dp); - - goto ret; - } - - if (S_ISREG(source_stat.st_mode)) { - int src_fd; - int dst_fd; - mode_t new_mode; - - src_fd = open(source, O_RDONLY); - if (src_fd < 0) { - perror_msg("Can't open '%s'", source); - return -1; - } - - /* Do not try to open with weird mode fields */ - new_mode = source_stat.st_mode; - - // security problem versus (sym)link attacks - // dst_fd = open(dest, O_WRONLY|O_CREAT|O_TRUNC, new_mode); - /* safe way: */ - dst_fd = open(dest, O_WRONLY|O_CREAT|O_EXCL, new_mode); - if (dst_fd < 0) { - close(src_fd); - return -1; - } - - if (copyfd_eof(src_fd, dst_fd, COPYFD_SPARSE) == -1) - retval = -1; - close(src_fd); - /* Careful: do check that buffered writes succeeded... */ - if (close(dst_fd) < 0) { - perror_msg("Error writing to '%s'", dest); - retval = -1; - } else { - /* (Try to) copy atime and mtime */ - struct timeval atime_mtime[2]; - atime_mtime[0].tv_sec = source_stat.st_atime; - // note: if "st_atim.tv_nsec" doesn't compile, try "st_atimensec": - atime_mtime[0].tv_usec = source_stat.st_atim.tv_nsec / 1000; - atime_mtime[1].tv_sec = source_stat.st_mtime; - atime_mtime[1].tv_usec = source_stat.st_mtim.tv_nsec / 1000; - // note: can use utimensat when it is more widely supported: - utimes(dest, atime_mtime); - } - goto ret; - } - - /* Neither dir not regular file: skip */ - - skip: - log("Skipping '%s'", source); - ret: - return retval; -} -- cgit