From a7d6c8bab919e1a537f8b7db7b8676484e60f550 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Wed, 19 Mar 2008 23:15:26 +0000
Subject: adduser/addgroup: check username for invalid chars (by Tito
 <farmatito AT tiscali.it>). +129 bytes when enabled.

---
 include/libbb.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'include/libbb.h')

diff --git a/include/libbb.h b/include/libbb.h
index d059ac9de..19b3bba5f 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -637,7 +637,11 @@ const char* get_cached_groupname(gid_t gid);
 void clear_username_cache(void);
 /* internally usernames are saved in fixed-sized char[] buffers */
 enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
-
+#if ENABLE_FEATURE_CHECK_NAMES
+void die_if_bad_username(const char* name);
+#else
+#define die_if_bad_username(name) ((void)(name))
+#endif
 
 int execable_file(const char *name);
 char *find_execable(const char *filename);
-- 
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