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Diffstat (limited to 'login-utils/sulogin.c')
-rw-r--r--login-utils/sulogin.c48
1 files changed, 34 insertions, 14 deletions
diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
index f376bfc45..be52141c1 100644
--- a/login-utils/sulogin.c
+++ b/login-utils/sulogin.c
@@ -81,6 +81,13 @@ static volatile sig_atomic_t sigchild;
# define IUCLC 0
#endif
+static int locked_account_password(const char *passwd)
+{
+ if (passwd && (*passwd == '*' || *passwd == '!'))
+ return 1;
+ return 0;
+}
+
#ifdef TIOCGLCKTRMIOS
/*
* For the case plymouth is found on this system
@@ -485,7 +492,6 @@ static struct passwd *getrootpwent(int try_manually)
p = line;
break;
}
-
fclose(fp);
/*
@@ -522,7 +528,8 @@ static struct passwd *getrootpwent(int try_manually)
warnx(_("%s: no entry for root"), _PATH_SHADOW_PASSWD);
*pwd.pw_passwd = '\0';
}
- if (!valid(pwd.pw_passwd)) {
+ /* locked accont passwords are valid too */
+ if (!locked_account_password(pwd.pw_passwd) && !valid(pwd.pw_passwd)) {
warnx(_("%s: root password garbled"), _PATH_SHADOW_PASSWD);
*pwd.pw_passwd = '\0';
}
@@ -532,7 +539,7 @@ static struct passwd *getrootpwent(int try_manually)
/*
* Ask by prompt for the password.
*/
-static void doprompt(const char *crypted, struct console *con)
+static void doprompt(const char *crypted, struct console *con, int deny)
{
struct termios tty;
@@ -549,18 +556,25 @@ static void doprompt(const char *crypted, struct console *con)
if ((con->file = fdopen(con->fd, "r+")) == (FILE*)0)
goto err;
}
+
+ if (deny)
+ fprintf(con->file, _("\nCannot open access to console, the root account is locked.\n"
+ "See sulogin(8) man page for more details.\n\n"
+ "Press Enter to continue.\n"));
+ else {
#if defined(USE_ONELINE)
- if (crypted[0])
- fprintf(con->file, _("Give root password for login: "));
- else
- fprintf(con->file, _("Press Enter for login: "));
+ if (crypted[0] && !locked_account_password(crypted))
+ fprintf(con->file, _("Give root password for login: "));
+ else
+ fprintf(con->file, _("Press Enter for login: "));
#else
- if (crypted[0])
- fprintf(con->file, _("Give root password for maintenance\n"));
- else
- fprintf(con->file, _("Press Enter for maintenance"));
- fprintf(con->file, _("(or press Control-D to continue): "));
+ if (crypted[0] && !locked_account_password(crypted))
+ fprintf(con->file, _("Give root password for maintenance\n"));
+ else
+ fprintf(con->file, _("Press Enter for maintenance\n"));
+ fprintf(con->file, _("(or press Control-D to continue): "));
#endif
+ }
fflush(con->file);
err:
if (con->flags & CON_SERIAL)
@@ -980,6 +994,7 @@ int main(int argc, char **argv)
goto nofork;
}
+
mask_signal(SIGCHLD, chld_handler, &saved_sigchld);
do {
con = list_entry(ptr, struct console, entry);
@@ -996,12 +1011,17 @@ int main(int argc, char **argv)
const char *passwd = pwd->pw_passwd;
const char *answer;
int failed = 0, doshell = 0;
+ int deny = !opt_e && locked_account_password(pwd->pw_passwd);
+
+ doprompt(passwd, con, deny);
- doprompt(passwd, con);
if ((answer = getpasswd(con)) == NULL)
break;
+ if (deny)
+ exit(EXIT_FAILURE);
- if (passwd[0] == '\0')
+ /* no password or locked account */
+ if (!passwd[0] || locked_account_password(passwd))
doshell++;
else {
const char *cryptbuf;