From 17c3fff539fce14f14706acf55dca03cbf1a9fa5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= Date: Tue, 1 Dec 2015 19:38:01 +0000 Subject: [PATCH] For testing purposes, add a pam_return module which can be configured to return any value, either by name (e.g. PAM_AUTH_ERR) or by number, even if that number is out of range. git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@873 185d5e19-27fe-0310-9dcf-9bff6b9f3609 --- modules/Makefile.am | 2 +- modules/pam_return/Makefile.am | 19 +++++ modules/pam_return/pam_return.c | 127 ++++++++++++++++++++++++++++++++ 3 files changed, 147 insertions(+), 1 deletion(-) create mode 100644 modules/pam_return/Makefile.am create mode 100644 modules/pam_return/pam_return.c diff --git a/modules/Makefile.am b/modules/Makefile.am index 3d14a47..0a0919f 100644 --- a/modules/Makefile.am +++ b/modules/Makefile.am @@ -1,6 +1,6 @@ # $Id$ -SUBDIRS = pam_deny pam_permit +SUBDIRS = pam_deny pam_permit pam_return if WITH_PAM_UNIX SUBDIRS += pam_unix diff --git a/modules/pam_return/Makefile.am b/modules/pam_return/Makefile.am new file mode 100644 index 0000000..20826a4 --- /dev/null +++ b/modules/pam_return/Makefile.am @@ -0,0 +1,19 @@ +# $Id$ + +if CUSTOM_MODULES_DIR +moduledir = $(OPENPAM_MODULES_DIR) +else +moduledir = $(libdir) +endif +AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/lib/libpam + +module_LTLIBRARIES = pam_return.la + +pam_return_la_SOURCES = pam_return.c +pam_return_la_LDFLAGS = -no-undefined -module -version-info $(LIB_MAJ) \ + -export-symbols-regex '^pam_sm_' +if WITH_SYSTEM_LIBPAM +pam_return_la_LIBADD = $(SYSTEM_LIBPAM) +else +pam_return_la_LIBADD = $(top_builddir)/lib/libpam/libpam.la +endif diff --git a/modules/pam_return/pam_return.c b/modules/pam_return/pam_return.c new file mode 100644 index 0000000..f4f46d6 --- /dev/null +++ b/modules/pam_return/pam_return.c @@ -0,0 +1,127 @@ +/*- + * Copyright (c) 2015 Dag-Erling Smørgrav + * 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. + * 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. + * + * $Id$ + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include +#include +#include + +#include +#include + +#include "openpam_impl.h" + +static int +pam_return(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + const char *errname; + char *e; + long errcode; + + (void)flags; + (void)argc; + (void)argv; + if ((errname = openpam_get_option(pamh, "error")) == NULL || + errname[0] == '\0') { + openpam_log(PAM_LOG_ERROR, "missing error parameter"); + return (PAM_SYSTEM_ERR); + } + /* is it a number? */ + errcode = strtol(errname, &e, 10); + if (e != NULL && *e == '\0') { + /* yep, check range */ + if (errcode >= INT_MIN && errcode <= INT_MAX) + return (errcode); + } else { + /* nope, look it up */ + for (errcode = 0; errcode < PAM_NUM_ERRORS; ++errcode) + if (strcmp(errname, pam_err_name[errcode]) == 0) + return (errcode); + } + openpam_log(PAM_LOG_ERROR, "invalid error code '%s'", errname); + return (PAM_SYSTEM_ERR); +} + +PAM_EXTERN int +pam_sm_authenticate(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_EXTERN int +pam_sm_setcred(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_EXTERN int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_EXTERN int +pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_EXTERN int +pam_sm_close_session(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_EXTERN int +pam_sm_chauthtok(pam_handle_t *pamh, int flags, + int argc, const char *argv[]) +{ + + return (pam_return(pamh, flags, argc, argv)); +} + +PAM_MODULE_ENTRY("pam_return");