*
* Copyright (C) 1998 Andrew Tridgell
* Copyright (C) 2002 Martin Pool
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2009 Wayne Davison
*
* 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
extern int dry_run;
extern int am_root;
+extern int am_sender;
extern int read_only;
extern int list_only;
extern int preserve_perms;
+extern int preserve_executability;
#define RETURN_ERROR_IF(x,e) \
do { \
return unlink(fname);
}
-int do_symlink(const char *fname1, const char *fname2)
+#ifdef SUPPORT_LINKS
+int do_symlink(const char *lnk, const char *fname)
{
if (dry_run) return 0;
RETURN_ERROR_IF_RO_OR_LO;
- return symlink(fname1, fname2);
+
+#ifdef NO_SYMLINK_XATTRS
+ /* For --fake-super, we create a normal file with mode 0600
+ * and write the lnk into it. */
+ if (am_root < 0) {
+ int ok, len = strlen(lnk);
+ int fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, S_IWUSR|S_IRUSR);
+ if (fd < 0)
+ return -1;
+ ok = write(fd, lnk, len) == len;
+ if (close(fd) < 0)
+ ok = 0;
+ return ok ? 0 : -1;
+ }
+#endif
+
+ return symlink(lnk, fname);
}
+#ifdef NO_SYMLINK_XATTRS
+ssize_t do_readlink(const char *path, char *buf, size_t bufsiz)
+{
+ /* For --fake-super, we read the link from the file. */
+ if (am_root < 0) {
+ int fd = open(path, O_RDONLY|O_NOFOLLOW);
+ if (fd >= 0) {
+ int len = read(fd, buf, bufsiz);
+ close(fd);
+ return len;
+ }
+ if (errno != ELOOP)
+ return -1;
+ /* A real symlink needs to be turned into a fake one on the receiving
+ * side, so tell the generator that the link has no length. */
+ if (!am_sender)
+ return 0;
+ /* Otherwise fall through and let the sender report the real length. */
+ }
+
+ return readlink(path, buf, bufsiz);
+}
+#endif
+#endif
+
#ifdef HAVE_LINK
int do_link(const char *fname1, const char *fname2)
{
code = 1;
#endif
} else
- code = chmod(path, mode & CHMOD_BITS);
- if (code != 0 && preserve_perms)
- return code;
+ code = chmod(path, mode & CHMOD_BITS); /* DISCOURAGED FUNCTION */
+ if (code != 0 && (preserve_perms || preserve_executability))
+ return code;
return 0;
}
#endif
return lseek(fd, offset, whence);
#endif
}
-
-char *d_name(struct dirent *di)
-{
-#ifdef HAVE_BROKEN_READDIR
- return (di->d_name - 2);
-#else
- return di->d_name;
-#endif
-}