diff options
-rw-r--r-- | contrib/telnet/telnetd/sys_term.c | 8 | ||||
-rw-r--r-- | crypto/telnet/telnetd/sys_term.c | 8 | ||||
-rw-r--r-- | libexec/telnetd/sys_term.c | 8 |
3 files changed, 24 insertions, 0 deletions
diff --git a/contrib/telnet/telnetd/sys_term.c b/contrib/telnet/telnetd/sys_term.c index 419f4fb..1e832e3 100644 --- a/contrib/telnet/telnetd/sys_term.c +++ b/contrib/telnet/telnetd/sys_term.c @@ -1317,8 +1317,16 @@ void cleanup(int sig __unused) { char *p; + sigset_t mask; p = line + sizeof(_PATH_DEV) - 1; + /* + * Block all signals before clearing the utmp entry. We don't want to + * be called again after calling logout() and then not add the wtmp + * entry because of not finding the corresponding entry in utmp. + */ + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, NULL); if (logout(p)) logwtmp(p, "", ""); (void)chmod(line, 0666); diff --git a/crypto/telnet/telnetd/sys_term.c b/crypto/telnet/telnetd/sys_term.c index 419f4fb..1e832e3 100644 --- a/crypto/telnet/telnetd/sys_term.c +++ b/crypto/telnet/telnetd/sys_term.c @@ -1317,8 +1317,16 @@ void cleanup(int sig __unused) { char *p; + sigset_t mask; p = line + sizeof(_PATH_DEV) - 1; + /* + * Block all signals before clearing the utmp entry. We don't want to + * be called again after calling logout() and then not add the wtmp + * entry because of not finding the corresponding entry in utmp. + */ + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, NULL); if (logout(p)) logwtmp(p, "", ""); (void)chmod(line, 0666); diff --git a/libexec/telnetd/sys_term.c b/libexec/telnetd/sys_term.c index 089b0db..17686b3 100644 --- a/libexec/telnetd/sys_term.c +++ b/libexec/telnetd/sys_term.c @@ -1170,8 +1170,16 @@ void cleanup(int sig __unused) { char *p; + sigset_t mask; p = line + sizeof(_PATH_DEV) - 1; + /* + * Block all signals before clearing the utmp entry. We don't want to + * be called again after calling logout() and then not add the wtmp + * entry because of not finding the corresponding entry in utmp. + */ + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, NULL); if (logout(p)) logwtmp(p, "", ""); (void)chmod(line, 0666); |