diff options
Diffstat (limited to 'lib/libpam/modules/pam_rootok')
-rw-r--r-- | lib/libpam/modules/pam_rootok/Makefile | 32 | ||||
-rw-r--r-- | lib/libpam/modules/pam_rootok/pam_rootok.8 | 75 | ||||
-rw-r--r-- | lib/libpam/modules/pam_rootok/pam_rootok.c | 132 |
3 files changed, 239 insertions, 0 deletions
diff --git a/lib/libpam/modules/pam_rootok/Makefile b/lib/libpam/modules/pam_rootok/Makefile new file mode 100644 index 0000000..809bae1 --- /dev/null +++ b/lib/libpam/modules/pam_rootok/Makefile @@ -0,0 +1,32 @@ +# Copyright 2001 Mark R V Murray +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ + +LIB= pam_rootok +SHLIB_NAME= ${LIB}.so.${SHLIB_MAJOR} +SRCS= pam_rootok.c +MAN= pam_rootok.8 + +.include <bsd.lib.mk> diff --git a/lib/libpam/modules/pam_rootok/pam_rootok.8 b/lib/libpam/modules/pam_rootok/pam_rootok.8 new file mode 100644 index 0000000..4203fbd --- /dev/null +++ b/lib/libpam/modules/pam_rootok/pam_rootok.8 @@ -0,0 +1,75 @@ +.\" Copyright (c) 2001 Mark R V Murray +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd July 8, 2001 +.Dt PAM_ROOTOK 8 +.Os +.Sh NAME +.Nm pam_rootok +.Nd RootOK PAM module +.Sh SYNOPSIS +.Op Ar service-name +.Ar module-type +.Ar control-flag +.Pa pam_rootok +.Op Ar options +.Sh DESCRIPTION +The RootOK authentication service module for PAM, +.Nm +provides functionality for only one PAM category: +authentication. +In terms of the +.Ar module-type +parameter, this is the +.Dq Li auth +feature. +It also provides a null function for session management. +.Ss RootOK Authentication Module +The RootOK authentication component +.Pq Fn pam_sm_authenticate , +always returns success for the superuser; +i.e., +if +.Xr getuid 2 +returns 0. +.Pp +The following options may be passed to the authentication module: +.Bl -tag -width ".Cm no_warn" +.It Cm debug +.Xr syslog 3 +debugging information at +.Dv LOG_DEBUG +level. +.It Cm no_warn +suppress warning messages to the user. +These messages include +reasons why the user's +authentication attempt was declined. +.El +.Sh SEE ALSO +.Xr getuid 2 , +.Xr pam.conf 5 , +.Xr pam 8 diff --git a/lib/libpam/modules/pam_rootok/pam_rootok.c b/lib/libpam/modules/pam_rootok/pam_rootok.c new file mode 100644 index 0000000..1134836 --- /dev/null +++ b/lib/libpam/modules/pam_rootok/pam_rootok.c @@ -0,0 +1,132 @@ +/*- + * Copyright (c) 2001 Mark R V Murray + * All rights reserved. + * Copyright (c) 2001 Networks Associates Technology, Inc. + * All rights reserved. + * + * Portions of this software were developed for the FreeBSD Project by + * ThinkSec AS and NAI Labs, the Security Research Division of Network + * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 + * ("CBOSS"), as part of the DARPA CHATS research program. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#define _BSD_SOURCE + +#include <unistd.h> +#include <syslog.h> + +#define PAM_SM_AUTH +#define PAM_SM_ACCOUNT +#define PAM_SM_SESSION +#define PAM_SM_PASSWORD + +#include <security/pam_appl.h> +#include <security/pam_modules.h> +#include <security/pam_mod_misc.h> + +PAM_EXTERN int +pam_sm_authenticate(pam_handle_t *pamh, int flags __unused, int argc, const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + if (getuid() == 0) + PAM_RETURN(PAM_SUCCESS); + + PAM_VERBOSE_ERROR("Refused; not superuser"); + PAM_LOG("User is not superuser"); + + PAM_RETURN(PAM_AUTH_ERR); +} + +PAM_EXTERN int +pam_sm_setcred(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + PAM_RETURN(PAM_SUCCESS); +} + +PAM_EXTERN int +pam_sm_acct_mgmt(pam_handle_t *pamh __unused, int flags __unused, int argc ,const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + PAM_RETURN(PAM_IGNORE); +} + +PAM_EXTERN int +pam_sm_chauthtok(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + PAM_RETURN(PAM_IGNORE); +} + +PAM_EXTERN int +pam_sm_open_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + PAM_RETURN(PAM_IGNORE); +} + +PAM_EXTERN int +pam_sm_close_session(pam_handle_t *pamh __unused, int flags __unused, int argc, const char **argv) +{ + struct options options; + + pam_std_option(&options, NULL, argc, argv); + + PAM_LOG("Options processed"); + + PAM_RETURN(PAM_IGNORE); +} + +PAM_MODULE_ENTRY("pam_rootok"); |