[Dovecot] Segmentation fault when only use pop3

17 Mar 2009


      Hi.
I found the problem when only use POP3 at v1.1.12.
[root@kessel]# diff /usr/local/etc/dovecot-example.conf
/usr/local/etc/dovecot.conf
23a24
...
protocols = pop3
47a49
disable_plaintext_auth = no
88a91
ssl_disable = yes
[root@kessel]# /usr/local/sbin/dovecot
Segmentation fault
Cause, call null-pointer's pointer.
The following is quick-hack patch,
[toyota@kessel]% diff -c master-settings.c.org master-settings.c
*** master-settings.c.org       2009-03-14 04:11:53.000000000 +0900
--- master-settings.c   2009-03-17 10:39:38.000000000 +0900

*** 908,919 ****
{
const char *p;
!       p = strstr(set->server->pop3->login_executable, " -D");
!       if (p != NULL && p[3] == '\0')
!               return TRUE;
!       p = strstr(set->server->imap->login_executable, " -D");
!       if (p != NULL && p[3] == '\0')
!               return TRUE;
return FALSE;
}
--- 908,923 ----
{
const char *p;
!       if(set->server->pop3) {
!               p = strstr(set->server->pop3->login_executable, " -D");
!               if (p != NULL && p[3] == '\0')
!                       return TRUE;
!     }
!       if(set->server->imap) {
!               p = strstr(set->server->imap->login_executable, " -D");
!               if (p != NULL && p[3] == '\0')
!                       return TRUE;
!       }
return FALSE;
}
Regards.
--
Tatsuyoshi Toyota
rs27@tatsuyoshi.net