Merge upstream r948: fix race condition in openpam_ttyconv(3).

This commit is contained in:
Dag-Erling Smørgrav 2020-11-19 05:46:59 +00:00
commit a90c7d9aa8
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=367832
2 changed files with 7 additions and 6 deletions

View file

@ -18,6 +18,7 @@ ideas:
Ankita Pal <pal.ankita.ankita@gmail.com>
Baptiste Daroussin <bapt@freebsd.org>
Brian Fundakowski Feldman <green@freebsd.org>
Brooks Davis <brooks@freebsd.org>
Christos Zoulas <christos@netbsd.org>
Daniel Richard G. <skunk@iskunk.org>
Darren J. Moffat <darren.moffat@sun.com>

View file

@ -94,12 +94,6 @@ prompt_tty(int ifd, int ofd, const char *message, char *response, int echo)
int pos, ret;
char ch;
/* write prompt */
if (write(ofd, message, strlen(message)) < 0) {
openpam_log(PAM_LOG_ERROR, "write(): %m");
return (-1);
}
/* turn echo off if requested */
slflag = 0; /* prevent bogus uninitialized variable warning */
if (!echo) {
@ -115,6 +109,12 @@ prompt_tty(int ifd, int ofd, const char *message, char *response, int echo)
}
}
/* write prompt */
if (write(ofd, message, strlen(message)) < 0) {
openpam_log(PAM_LOG_ERROR, "write(): %m");
return (-1);
}
/* install signal handlers */
caught_signal = 0;
action.sa_handler = &catch_signal;