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From 8d3fc4e28975b6789d6ccbf9b12bc3bb811dfc2d Mon Sep 17 00:00:00 2001
From: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Date: Thu, 5 Nov 2015 16:27:35 +0200
Subject: [PATCH 09/15] libbb: allow_blank argument for
ask_and_check_password_extended()
---
include/libbb.h | 2 +-
libbb/correct_password.c | 6 +++---
loginutils/sulogin.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/libbb.h b/include/libbb.h
index 25c5868..1348a46 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1376,7 +1376,7 @@ void setup_environment(const char *shell, int flags, const struct passwd *pw) FA
void nuke_str(char *str) FAST_FUNC;
int check_securetty(const char *short_tty);
int check_password(const struct passwd *pw, const char *plaintext) FAST_FUNC;
-int ask_and_check_password_extended(const struct passwd *pw, int timeout, const char *prompt) FAST_FUNC;
+int ask_and_check_password_extended(const struct passwd *pw, int timeout, int allow_blank, const char *prompt) FAST_FUNC;
int ask_and_check_password(const struct passwd *pw) FAST_FUNC;
/* Returns a malloced string */
#if !ENABLE_USE_BB_CRYPT
diff --git a/libbb/correct_password.c b/libbb/correct_password.c
index 513c930..57cd2b8 100644
--- a/libbb/correct_password.c
+++ b/libbb/correct_password.c
@@ -96,7 +96,7 @@ int FAST_FUNC check_password(const struct passwd *pw, const char *plaintext)
* NULL pw means "just fake it for login with bad username"
*/
int FAST_FUNC ask_and_check_password_extended(const struct passwd *pw,
- int timeout, const char *prompt)
+ int timeout, int allow_blank, const char *prompt)
{
IF_FEATURE_SHADOWPASSWDS(char buffer[SHADOW_BUFSIZE];)
char *plaintext;
@@ -105,7 +105,7 @@ int FAST_FUNC ask_and_check_password_extended(const struct passwd *pw,
pw_pass = get_passwd(pw, buffer);
if (!pw_pass[0]) /* empty password field? */
- return 1;
+ return allow_blank;
plaintext = bb_ask(STDIN_FILENO, timeout, prompt);
if (!plaintext) {
@@ -120,5 +120,5 @@ int FAST_FUNC ask_and_check_password_extended(const struct passwd *pw,
int FAST_FUNC ask_and_check_password(const struct passwd *pw)
{
- return ask_and_check_password_extended(pw, 0, "Password: ");
+ return ask_and_check_password_extended(pw, 0, 1, "Password: ");
}
diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c
index f324695..b26db96 100644
--- a/loginutils/sulogin.c
+++ b/loginutils/sulogin.c
@@ -63,7 +63,7 @@ int sulogin_main(int argc UNUSED_PARAM, char **argv)
while (1) {
int r;
- r = ask_and_check_password_extended(pwd, timeout,
+ r = ask_and_check_password_extended(pwd, timeout, 1,
"Give root password for system maintenance\n"
"(or type Control-D for normal startup):"
);
--
2.9.1
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