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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
*/
#include <sys/types.h>
#include <sys/param.h>
#include <stdio.h>
#include <sys/fcntl.h>
#include <bsm/audit.h>
#include <bsm/audit_record.h>
#include <bsm/audit_uevents.h>
#include <bsm/libbsm.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <rpc/rpc.h>
#include <tiuser.h>
#include <unistd.h>
#include <generic.h>
#include <note.h>
#ifdef C2_DEBUG2
#define dprintf(x) { (void) printf x; }
#else
#define dprintf(x)
#endif
/*
* netbuf2pm()
*
* Given an endpt in netbuf form, return the port and machine.
* kadmind (currently) only works over IPv4, so only handle IPv4 addresses.
*/
static void
netbuf2pm(
struct netbuf *addr,
in_port_t *port,
uint32_t *machine)
{
struct sockaddr_in sin4;
if (!addr) {
syslog(LOG_DEBUG, "netbuf2pm: addr == NULL");
return;
}
if (!addr->buf) {
syslog(LOG_DEBUG, "netbuf2pm: addr->buf == NULL");
return;
}
(void) memcpy(&sin4, addr->buf, sizeof (struct sockaddr_in));
if (sin4.sin_family == AF_INET) {
if (machine)
*machine = sin4.sin_addr.s_addr;
if (port)
*port = sin4.sin_port;
} else {
dprintf(("netbuf2pm: unknown caller IP address family %d",
sin4.sin_family));
syslog(LOG_DEBUG,
"netbuf2pm: unknown caller IP address family %d",
sin4.sin_family);
}
}
#define AUD_NULL_STR(s) ((s) ? (s) : "(null)")
static void
common_audit(
au_event_t event, /* audit event */
SVCXPRT *xprt, /* net transport handle */
in_port_t l_port, /* local port */
char *op, /* requested operation */
char *prime_arg, /* argument for op */
char *clnt_name, /* client principal name */
int sorf) /* flag for success or failure */
{
auditinfo_t ai;
in_port_t r_port = 0;
dev_t port;
uint32_t machine = 0;
char text_buf[512];
dprintf(("common_audit() start\n"));
/* if auditing turned off, then don't do anything */
if (cannot_audit(0))
return;
(void) aug_save_namask();
/*
* set default values. We will overwrite them if appropriate.
*/
if (getaudit(&ai)) {
perror("kadmind");
return;
}
aug_save_auid(ai.ai_auid); /* Audit ID */
aug_save_uid(getuid()); /* User ID */
aug_save_euid(geteuid()); /* Effective User ID */
aug_save_gid(getgid()); /* Group ID */
aug_save_egid(getegid()); /* Effective Group ID */
aug_save_pid(getpid()); /* process ID */
aug_save_asid(getpid()); /* session ID */
aug_save_event(event);
aug_save_sorf(sorf);
(void) snprintf(text_buf, sizeof (text_buf), "Op: %s",
AUD_NULL_STR(op));
aug_save_text(text_buf);
(void) snprintf(text_buf, sizeof (text_buf), "Arg: %s",
AUD_NULL_STR(prime_arg));
aug_save_text1(text_buf);
(void) snprintf(text_buf, sizeof (text_buf), "Client: %s",
AUD_NULL_STR(clnt_name));
aug_save_text2(text_buf);
netbuf2pm(svc_getrpccaller(xprt), &r_port, &machine);
dprintf(("common_audit(): l_port=%d, r_port=%d,\n",
ntohs(l_port), ntohs(r_port)));
port = (r_port<<16 | l_port);
aug_save_tid_ex(port, &machine, AU_IPv4);
(void) aug_audit();
}
void
audit_kadmind_auth(
SVCXPRT *xprt,
in_port_t l_port,
char *op,
char *prime_arg,
char *clnt_name,
int sorf)
{
common_audit(AUE_kadmind_auth, xprt, l_port, op, prime_arg,
clnt_name, sorf);
}
void
audit_kadmind_unauth(
SVCXPRT *xprt,
in_port_t l_port,
char *op,
char *prime_arg,
char *clnt_name)
{
common_audit(AUE_kadmind_unauth, xprt, l_port, op, prime_arg,
clnt_name, 1);
}
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