Добавлен вызов pam_acct_mgmt() после pam_authenticate() для проверки
прав доступа на уровне PAM (HBAC, истечение пароля, блокировка учётки)
Исправлена передача реального username в pam_start() вместо '3proxy@'
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Added pam_acct_mgmt() call after pam_authenticate() to enable PAM
account checks (HBAC, password expiration, account lockout).
Fixed pam_start() to pass actual username instead of hardcoded '3proxy@'
Tested with FreeIPA 4.12 + SSSD Rocky Linux 9
ssl_client_mode
0 (default) - handshake immediately after connect() (with first parent or with destination if there is no parent)
1 - handshake with destination server (handshake after connection via parents is established)
2 - handshake after data channel is established (e.g. after CONNECT)
