*
* Copyright (C) 2001 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
#include <stdlib.h>
#include <string.h>
-#include "busybox.h"
+#include "libbb.h"
+
+/* Compiler version-specific crap that should be in a header file somewhere. */
+
+#if !((__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1))
+#define lchown chown
+#endif
+
int copy_file(const char *source, const char *dest, int flags)
{
}
} else {
if (source_stat.st_dev == dest_stat.st_dev &&
- source_stat.st_ino == dest_stat.st_ino) {
- bb_error_msg("`%s' and `%s' are the same file", source, dest);
- return -1;
- }
+ source_stat.st_ino == dest_stat.st_ino)
+ {
+ bb_error_msg("`%s' and `%s' are the same file", source, dest);
+ return -1;
+ }
dest_exists = 1;
}
}
/* Recursively copy files in SOURCE. */
- if ((dp = opendir(source)) == NULL) {
- bb_perror_msg("unable to open directory `%s'", source);
+ if ((dp = bb_opendir(source)) == NULL) {
status = -1;
- goto end;
+ goto preserve_status;
}
while ((d = readdir(dp)) != NULL) {
char *new_source, *new_dest;
- if (strcmp(d->d_name, ".") == 0 ||
- strcmp(d->d_name, "..") == 0)
+ new_source = concat_subpath_file(source, d->d_name);
+ if(new_source == NULL)
continue;
-
- new_source = concat_path_file(source, d->d_name);
new_dest = concat_path_file(dest, d->d_name);
if (copy_file(new_source, new_dest, flags) < 0)
status = -1;
bb_perror_msg("unable to change permissions of `%s'", dest);
status = -1;
}
- } else if (S_ISREG(source_stat.st_mode)) {
- FILE *sfp, *dfp=NULL;
+ } else if (S_ISREG(source_stat.st_mode) || (flags & FILEUTILS_DEREFERENCE))
+ {
+ int src_fd;
+ int dst_fd;
#ifdef CONFIG_FEATURE_PRESERVE_HARDLINKS
char *link_name;
return 0;
}
+ add_to_ino_dev_hashtable(&source_stat, dest);
#endif
-
- if ((sfp = bb_wfopen(source, "r")) == NULL) {
- return -1;
+ src_fd = open(source, O_RDONLY);
+ if (src_fd == -1) {
+ bb_perror_msg("unable to open `%s'", source);
+ return(-1);
}
if (dest_exists) {
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: overwrite `%s'? ", bb_applet_name, dest);
if (!bb_ask_confirmation()) {
- fclose (sfp);
+ close (src_fd);
return 0;
}
}
- if ((dfp = fopen(dest, "w")) == NULL) {
+ dst_fd = open(dest, O_WRONLY|O_TRUNC);
+ if (dst_fd == -1) {
if (!(flags & FILEUTILS_FORCE)) {
bb_perror_msg("unable to open `%s'", dest);
- fclose (sfp);
+ close(src_fd);
return -1;
}
if (unlink(dest) < 0) {
bb_perror_msg("unable to remove `%s'", dest);
- fclose (sfp);
+ close(src_fd);
return -1;
}
- dest_exists = 0;
+ goto dest_removed;
}
- }
-
- if (!dest_exists) {
- int fd;
-
- if ((fd = open(dest, O_WRONLY|O_CREAT, source_stat.st_mode)) < 0 ||
- (dfp = fdopen(fd, "w")) == NULL) {
- if (fd >= 0)
- close(fd);
+ } else {
+dest_removed:
+ dst_fd = open(dest, O_WRONLY|O_CREAT, source_stat.st_mode);
+ if (dst_fd == -1) {
bb_perror_msg("unable to open `%s'", dest);
- fclose (sfp);
- return -1;
+ close(src_fd);
+ return(-1);
}
}
- if (bb_copyfd(fileno(sfp), fileno(dfp), 0) == -1)
+ if (bb_copyfd_eof(src_fd, dst_fd) == -1)
status = -1;
- if (fclose(dfp) < 0) {
+ if (close(dst_fd) < 0) {
bb_perror_msg("unable to close `%s'", dest);
status = -1;
}
- if (fclose(sfp) < 0) {
+ if (close(src_fd) < 0) {
bb_perror_msg("unable to close `%s'", source);
status = -1;
}
- }
- else if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) ||
+ } else if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) ||
S_ISSOCK(source_stat.st_mode) || S_ISFIFO(source_stat.st_mode) ||
S_ISLNK(source_stat.st_mode)) {
- if (dest_exists &&
- ((flags & FILEUTILS_FORCE) == 0 || unlink(dest) < 0)) {
+ if (dest_exists) {
+ if((flags & FILEUTILS_FORCE) == 0) {
+ fprintf(stderr, "`%s' exists\n", dest);
+ return -1;
+ }
+ if(unlink(dest) < 0) {
bb_perror_msg("unable to remove `%s'", dest);
return -1;
-
}
- } else {
- bb_error_msg("internal error: unrecognized file type");
- return -1;
- }
- if (S_ISBLK(source_stat.st_mode) || S_ISCHR(source_stat.st_mode) ||
- S_ISSOCK(source_stat.st_mode)) {
- if (mknod(dest, source_stat.st_mode, source_stat.st_rdev) < 0) {
- bb_perror_msg("unable to create `%s'", dest);
- return -1;
}
- } else if (S_ISFIFO(source_stat.st_mode)) {
- if (mkfifo(dest, source_stat.st_mode) < 0) {
- bb_perror_msg("cannot create fifo `%s'", dest);
- return -1;
- }
- } else if (S_ISLNK(source_stat.st_mode)) {
- char *lpath;
+ if (S_ISFIFO(source_stat.st_mode)) {
+ if (mkfifo(dest, source_stat.st_mode) < 0) {
+ bb_perror_msg("cannot create fifo `%s'", dest);
+ return -1;
+ }
+ } else if (S_ISLNK(source_stat.st_mode)) {
+ char *lpath;
- lpath = xreadlink(source);
- if (symlink(lpath, dest) < 0) {
- bb_perror_msg("cannot create symlink `%s'", dest);
- return -1;
- }
- free(lpath);
+ lpath = xreadlink(source);
+ if (symlink(lpath, dest) < 0) {
+ bb_perror_msg("cannot create symlink `%s'", dest);
+ return -1;
+ }
+ free(lpath);
-#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
- if (flags & FILEUTILS_PRESERVE_STATUS)
- if (lchown(dest, source_stat.st_uid, source_stat.st_gid) < 0)
- bb_perror_msg("unable to preserve ownership of `%s'", dest);
-#endif
+ if (flags & FILEUTILS_PRESERVE_STATUS)
+ if (lchown(dest, source_stat.st_uid, source_stat.st_gid) < 0)
+ bb_perror_msg("unable to preserve ownership of `%s'", dest);
-#ifdef CONFIG_FEATURE_PRESERVE_HARDLINKS
- add_to_ino_dev_hashtable(&source_stat, dest);
-#endif
+ return 0;
- return 0;
+ } else {
+ if (mknod(dest, source_stat.st_mode, source_stat.st_rdev) < 0) {
+ bb_perror_msg("unable to create `%s'", dest);
+ return -1;
+ }
+ }
+ } else {
+ bb_error_msg("internal error: unrecognized file type");
+ return -1;
}
-#ifdef CONFIG_FEATURE_PRESERVE_HARDLINKS
- add_to_ino_dev_hashtable(&source_stat, dest);
-#endif
-
-end:
+preserve_status:
if (flags & FILEUTILS_PRESERVE_STATUS) {
struct utimbuf times;
+ char *msg="unable to preserve %s of `%s'";
times.actime = source_stat.st_atime;
times.modtime = source_stat.st_mtime;
if (utime(dest, ×) < 0)
- bb_perror_msg("unable to preserve times of `%s'", dest);
+ bb_perror_msg(msg, "times", dest);
if (chown(dest, source_stat.st_uid, source_stat.st_gid) < 0) {
source_stat.st_mode &= ~(S_ISUID | S_ISGID);
- bb_perror_msg("unable to preserve ownership of `%s'", dest);
+ bb_perror_msg(msg, "ownership", dest);
}
if (chmod(dest, source_stat.st_mode) < 0)
- bb_perror_msg("unable to preserve permissions of `%s'", dest);
+ bb_perror_msg(msg, "permissions", dest);
}
return status;