diff options
-rw-r--r-- | libbb/obscure.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libbb/obscure.c b/libbb/obscure.c index 1a99b7cf9..537d4484f 100644 --- a/libbb/obscure.c +++ b/libbb/obscure.c @@ -157,8 +157,11 @@ password_check(const char *old, const char *newval, const struct passwd *pwdp) else if (similiar(wrapped, newmono)) msg = "too similiar"; - else if (strstr(strcat(wrapped, wrapped), newmono)) - msg = "rotated"; + else { + safe_strncpy(wrapped + lenwrap, wrapped, lenwrap + 1); + if (strstr(wrapped, newmono)) + msg = "rotated"; + } bzero(newmono, strlen(newmono)); bzero(wrapped, lenwrap); |