pam_smbpass/pam_smb_acct.c

ソースコードを見る。

関数
int	pam_sm_acct_mgmt (pam_handle_t *pamh, int flags, int argc, const char **argv)
変数
pam_module	_pam_smbpass_acct_modstruct

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関数

int pam_sm_acct_mgmt	(	pam_handle_t *	pamh,
		int	flags,
		int	argc,
		const char **	argv
	)

pam_smb_acct.c の 42 行で定義されています。

参照先 _log_err()・CatchSignal()・in_client・initialize_password_db()・load_case_tables()・make_remark()・name・nt_status_to_pam()・pdb_get_acct_ctrl()・pdb_get_username()・pdb_getsampwnam()・samu_new()・set_ctrl()・setup_logging().

{
        unsigned int ctrl;
        int retval;

        const char *name;
        struct samu *sampass = NULL;
        void (*oldsig_handler)(int);
        extern BOOL in_client;

        /* Samba initialization. */
        load_case_tables();
        setup_logging( "pam_smbpass", False );
        in_client = True;

        ctrl = set_ctrl( flags, argc, argv );

        /* get the username */

        retval = pam_get_user( pamh, &name, "Username: " );
        if (retval != PAM_SUCCESS) {
                if (on( SMB_DEBUG, ctrl )) {
                        _log_err( LOG_DEBUG, "acct: could not identify user" );
                }
                return retval;
        }
        if (on( SMB_DEBUG, ctrl )) {
                _log_err( LOG_DEBUG, "acct: username [%s] obtained", name );
        }

        if (geteuid() != 0) {
                _log_err( LOG_DEBUG, "Cannot access samba password database, not running as root.");
                return PAM_AUTHINFO_UNAVAIL;
        }

        /* Getting into places that might use LDAP -- protect the app
                from a SIGPIPE it's not expecting */
        oldsig_handler = CatchSignal(SIGPIPE, SIGNAL_CAST SIG_IGN);
        if (!initialize_password_db(True)) {
                _log_err( LOG_ALERT, "Cannot access samba password database" );
                CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
                return PAM_AUTHINFO_UNAVAIL;
        }

        /* Get the user's record. */

        if (!(sampass = samu_new( NULL ))) {
                CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
                /* malloc fail. */
                return nt_status_to_pam(NT_STATUS_NO_MEMORY);
        }

        if (!pdb_getsampwnam(sampass, name )) {
                _log_err( LOG_DEBUG, "acct: could not identify user" );
                CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
                return PAM_USER_UNKNOWN;
        }

        /* check for lookup failure */
        if (!strlen(pdb_get_username(sampass)) ) {
                CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
                return PAM_USER_UNKNOWN;
        }

        if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
                if (on( SMB_DEBUG, ctrl )) {
                        _log_err( LOG_DEBUG
                                , "acct: account %s is administratively disabled", name );
                }
                make_remark( pamh, ctrl, PAM_ERROR_MSG
                        , "Your account has been disabled; "
                        "please see your system administrator." );

                CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
                return PAM_ACCT_EXPIRED;
        }

        /* TODO: support for expired passwords. */

        CatchSignal(SIGPIPE, SIGNAL_CAST oldsig_handler);
        return PAM_SUCCESS;
}

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変数

struct pam_module _pam_smbpass_acct_modstruct

初期値:

 {
     "pam_smbpass",
     NULL,
     NULL,
     pam_sm_acct_mgmt,
     NULL,
     NULL,
     NULL
}

pam_smb_acct.c の 128 行で定義されています。

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