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-rw-r--r--networking/ftpd.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/networking/ftpd.c b/networking/ftpd.c
index 7735b72..8345ae6 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -1223,11 +1223,26 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv)
#endif
argv += optind;
if (argv[0]) {
+ const char *basedir = argv[0];
#if !BB_MMU
G.root_fd = xopen("/", O_RDONLY | O_DIRECTORY);
close_on_exec_on(G.root_fd);
#endif
- xchroot(argv[0]);
+ if (chroot(basedir) == 0)
+ basedir = "/";
+#if !BB_MMU
+ else {
+ close(G.root_fd);
+ G.root_fd = -1;
+ }
+#endif
+ /*
+ * If chroot failed, assume that we aren't root,
+ * and at least chdir to the specified DIR
+ * (older versions were dying with error message).
+ * If chroot worked, move current dir to new "/":
+ */
+ xchdir(basedir);
}
#if ENABLE_FEATURE_FTP_AUTHENTICATION