110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/*
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* Copyright (c) 2005 , Red Hat, Inc.
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* Copyright (c) 2005 , Tomasz Kłoczko
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* Copyright (c) 2008 , Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Audit helper functions used throughout shadow
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*
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*/
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#include <config.h>
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#ifdef WITH_AUDIT
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#include <stdlib.h>
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#include <syslog.h>
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#include <stdarg.h>
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#include <libaudit.h>
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#include <errno.h>
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#include <stdio.h>
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#include "prototypes.h"
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int audit_fd;
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void audit_help_open (void)
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{
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audit_fd = audit_open ();
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if (audit_fd < 0) {
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/* You get these only when the kernel doesn't have
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* audit compiled in. */
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if ( (errno == EINVAL)
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|| (errno == EPROTONOSUPPORT)
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|| (errno == EAFNOSUPPORT)) {
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return;
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}
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(void) fputs (_("Cannot open audit interface - aborting.\n"),
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stderr);
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exit (EXIT_FAILURE);
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}
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}
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/*
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* This function will log a message to the audit system using a predefined
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* message format. Parameter usage is as follows:
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*
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* type - type of message: AUDIT_USER_CHAUTHTOK for changing any account
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* attributes.
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* pgname - program's name
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* op - operation. "adding user", "changing finger info", "deleting group"
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* name - user's account or group name. If not available use NULL.
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* id - uid or gid that the operation is being performed on. This is used
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* only when user is NULL.
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*/
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void audit_logger (int type, unused const char *pgname, const char *op,
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const char *name, unsigned int id,
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shadow_audit_result result)
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{
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if (audit_fd < 0) {
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return;
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} else {
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audit_log_acct_message (audit_fd, type, NULL, op, name, id,
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NULL, NULL, NULL, (int) result);
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}
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}
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void audit_logger_message (const char *message, shadow_audit_result result)
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{
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if (audit_fd < 0) {
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return;
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} else {
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audit_log_user_message (audit_fd,
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AUDIT_USYS_CONFIG,
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message,
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NULL, /* hostname */
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NULL, /* addr */
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NULL, /* tty */
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(int) result);
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}
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}
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#else /* WITH_AUDIT */
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extern int errno; /* warning: ANSI C forbids an empty source file */
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#endif /* WITH_AUDIT */
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