diff options
| -rw-r--r-- | libbb/bb_askpass.c | 4 | ||||
| -rw-r--r-- | loginutils/sulogin.c | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/libbb/bb_askpass.c b/libbb/bb_askpass.c index fe2b506..77c1bcd 100644 --- a/libbb/bb_askpass.c +++ b/libbb/bb_askpass.c @@ -65,7 +65,9 @@ char* FAST_FUNC bb_ask(const int fd, int timeout, const char *prompt) i = 0; while (1) { int r = read(fd, &ret[i], 1); - if (r < 0) { + if ((i == 0 && r == 0) /* EOF (^D) with no password */ + || r < 0 + ) { /* read is interrupted by timeout or ^C */ ret = NULL; break; diff --git a/loginutils/sulogin.c b/loginutils/sulogin.c index f79802a..65e6384 100644 --- a/loginutils/sulogin.c +++ b/loginutils/sulogin.c @@ -83,8 +83,8 @@ int sulogin_main(int argc UNUSED_PARAM, char **argv) cp = bb_ask(STDIN_FILENO, timeout, "Give root password for system maintenance\n" "(or type Control-D for normal startup):"); - - if (!cp || !*cp) { + if (!cp) { + /* ^D, ^C, timeout, or read error */ bb_info_msg("Normal startup"); return 0; } |