--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/openssh/sources/audit-solaris.c	Thu Dec 04 16:14:22 2014 -0800
@@ -0,0 +1,557 @@
+/*
+ * 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 (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#include "includes.h"
+#if defined(USE_SOLARIS_AUDIT)
+
+#include "audit.h"
+#include "buffer.h"
+#include "key.h"
+#include "hostfile.h"
+#include "auth.h"
+#include "log.h"
+#include "packet.h"
+
+#include <errno.h>
+#include <pwd.h>
+#include <string.h>
+
+#include <bsm/adt.h>
+#include <bsm/adt_event.h>
+
+#ifdef	ADT_DEBUG
+#include <bsm/audit.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <values.h>
+#include <errno.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <ucred.h>
+#include <values.h>
+
+#include <bsm/adt.h>
+#include <bsm/audit.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+/* semi private adt functions to extract information */
+
+extern void adt_get_asid(const adt_session_data_t *, au_asid_t *);
+extern void adt_get_auid(const adt_session_data_t *, au_id_t *);
+extern void adt_get_mask(const adt_session_data_t *, au_mask_t *);
+extern void adt_get_termid(const adt_session_data_t *, au_tid_addr_t *);
+
+extern void __auditd_debug(char *, ...);
+
+void
+__audit_pidinfo(void)
+{
+	adt_session_data_t *ah = NULL;
+	au_id_t	auid;
+	char *auid_name = "badname";
+	struct passwd *pwd;
+	au_asid_t asid;
+	au_mask_t mask;
+	char flags[512];
+	au_tid_addr_t tid;
+	char	pbuf[INET6_ADDRSTRLEN];
+	int	af = AF_INET;
+	int	remote;
+	int	local;
+
+	if (adt_start_session(&ah, NULL, ADT_USE_PROC_DATA) != 0) {
+		__auditd_debug("cannot start session %s\n", strerror(errno));
+		return;
+	}
+	if (ah == NULL) {
+		__auditd_debug("ah is NULL\n");
+		return;
+	}
+	adt_get_auid(ah, &auid);
+	if ((pwd = getpwuid((uid_t)auid)) != NULL) {
+		auid_name = pwd->pw_name;
+	}
+	__auditd_debug("audit id = %s(%d)\n", auid_name, auid);
+
+	adt_get_mask(ah, &mask);
+	if (getauditflagschar(flags, &mask, NULL) < 0) {
+		(void) strlcpy(flags, "badflags", sizeof (flags));
+	}
+#ifdef	_LP64
+	__auditd_debug("preselection mask = %s(0x%lx,0x%lx)\n", flags,
+	    mask.am_success, mask.am_failure);
+#else	/* _ILP32 */
+	__auditd_debug("preselection mask = %s(0x%llx,0x%llx)\n", flags,
+	    mask.am_success, mask.am_failure);
+#endif	/* _LP64 */
+
+	adt_get_termid(ah, &tid);
+	__auditd_debug("tid type=%d, maj=%u, min=%u, addr=%x:%x:%x:%x\n",
+	    tid.at_type,
+	    (uint16_t)((tid.at_port) >> BITS(uint16_t)),
+	    (uint16_t)(tid.at_port & UINT16_MAX),
+	    tid.at_addr[0],
+	    tid.at_addr[1],
+	    tid.at_addr[2],
+	    tid.at_addr[3]);
+	if (tid.at_type == AU_IPv6) {
+		af = AF_INET6;
+	}
+	(void) inet_ntop(af, (void *)(tid.at_addr), pbuf,
+	    sizeof (pbuf));
+	remote = (tid.at_port >> BITS(uint16_t));
+	local = (tid.at_port & UINT16_MAX);
+	__auditd_debug("tid type-%d (remote,local,host)= %u,%u,%s\n",
+	    tid.at_type, remote, local, pbuf);
+	adt_get_asid(ah, &asid);
+	__auditd_debug("audit session id = %u\n",  asid);
+	(void) adt_end_session(ah);
+}
+#else	/* !ADT_DEBUG */
+/*ARGSUSED*/
+/*PRINTFLIKE1*/
+static void
+__auditd_debug(char *fmt, ...)
+{
+}
+static void
+__audit_pidinfo()
+{
+}
+#endif	/* ADT_DEBUG */
+
+#include <security/pam_appl.h>
+
+#include <sys/types.h>
+
+extern Authctxt *the_authctxt;
+
+extern const char *audit_username(void);
+extern const char *audit_event_lookup(ssh_audit_event_t);
+
+static adt_session_data_t *ah = NULL;		/* audit session handle */
+static adt_termid_t	*tid = NULL;		/* peer terminal id */
+
+static void audit_login(void);
+static void audit_logout(void);
+static void audit_fail(int);
+
+/* Below is the sshd audit API Solaris adt interpretation */
+
+/*
+ * Called after a connection has been accepted but before any authentication
+ * has been attempted.
+ */
+/* ARGSUSED */
+void
+audit_connection_from(const char *host, int port)
+{
+	int peer = packet_get_connection_in();
+	adt_session_data_t	*ah;
+
+	if (adt_load_termid(peer, &tid) != 0) {
+		error("adt audit_connection_from: unable to load tid for %d:%s",
+		    peer, strerror(errno));
+	}
+	if (adt_start_session(&ah, NULL, 0) != 0) {
+		error("adt audit_connection_from: unable to start session "
+		    "for %s:%d:%s", host, port, strerror(errno));
+	}
+	if (adt_set_user(ah, ADT_NO_AUDIT, ADT_NO_AUDIT, 0,
+	    ADT_NO_AUDIT, tid, ADT_SETTID) != 0) {
+		error("adt audit_connection_from: unable to set user "
+		    "for %s:%d:%s", host, port, strerror(errno));
+		(void) adt_end_session(ah);
+		ah = NULL;
+	}
+	if (adt_set_proc(ah) != 0) {
+		error("adt audit_connection_from: unable to set proc "
+		    "for %s:%d:%s", host, port, strerror(errno));
+	}
+	(void) adt_end_session(ah);
+	debug("adt audit_connection_from(%s, %d): peerfd=%d", host, port,
+	    peer);
+	__auditd_debug("%d/%d:%d-adt audit_connection_from(%s, %d)ctxt=%p: "
+	    "peerfd=%d\n", getpid(), getuid(), geteuid(), host, port,
+	    (void *)the_authctxt, peer);
+	__audit_pidinfo();
+}
+
+/*
+ * Called when various events occur (see audit.h for a list of possible
+ * events and what they mean).
+ *
+ *	Entry	the_authcntxt
+ */
+void
+audit_event(ssh_audit_event_t event)
+{
+	static boolean_t logged_in = B_FALSE;	/* if user did login */
+	int fail = PAM_IGNORE;		/* default unset */
+	static boolean_t did_maxtries = B_FALSE; /* if interactive and abort */
+
+	debug("adt audit_event(%s)", audit_event_lookup(event));
+	__auditd_debug("%d/%d:%d-adt audit_event(%s/%s)ctxt=%p\n",
+	    getpid(), getuid(), geteuid(), audit_event_lookup(event),
+	    audit_username(), (void *)the_authctxt);
+	__audit_pidinfo();
+
+	switch (event) {
+	case SSH_AUTH_SUCCESS:		/* authentication success */
+		logged_in = B_TRUE;
+		audit_login(); 		/* ADT_ssh; */
+		return;
+
+	case SSH_CONNECTION_CLOSE:	/* connection closed, all done */
+		if (logged_in) {
+			audit_logout();		/* ADT_logout; */
+			logged_in = B_FALSE;
+		} else {
+			error("adt audit_event logout without login");
+		}
+		return;
+
+	/* Translate fail events to Solaris PAM errors */
+
+	/* auth2.c: userauth_finish as audit_event(SSH_LOGIN_EXCEED_MAXTRIES) */
+	/* auth1.c:do_authloop audit_event(SSH_LOGIN_EXCEED_MAXTRIES) */
+	case SSH_LOGIN_EXCEED_MAXTRIES:
+		fail = PAM_MAXTRIES;
+		did_maxtries = B_TRUE;
+		break;
+
+	/* auth2.c: userauth_finish as audit_event(SSH_LOGIN_ROOT_DENIED) */
+	/* auth1.c:do_authloop audit_event(SSH_LOGIN_ROOT_DENIED) */
+	case SSH_LOGIN_ROOT_DENIED:
+		fail = PAM_PERM_DENIED;
+		break;
+
+	/* auth2.c: input_userauth_request as audit_event(SSH_INVALID_USER) */
+	/* auth.c: getpwnamallow as audit_event(SSH_INVALID_USER) */
+	case SSH_INVALID_USER:
+		fail = PAM_USER_UNKNOWN;
+		break;
+
+	/* seems unused, but translate to the Solaris PAM error */
+	case SSH_NOLOGIN:
+		fail = PAM_LOGINS_DISABLED;
+		break;
+
+	/*
+	 * auth.c in auth_log as it's walking through methods calls
+	 * audit_classify_method(method) which maps
+	 *
+	 * none		-> SSH_AUTH_FAIL_NONE
+	 * password	-> SSH_AUTH_FAIL_PASSWD
+	 *
+	 * publickey	-> SSH_AUTH_FAIL_PUBKEY
+	 * rsa		-> SSH_AUTH_FAIL_PUBKEY
+	 *
+	 * keyboard-interactive	-> SSH_AUTH_FAIL_KBDINT
+	 * challenge-response	-> SSH_AUTH_FAIL_KBDINT
+	 *
+	 * hostbased	-> SSH_AUTH_FAIL_HOSTBASED
+	 * rhosts-rsa	-> SSH_AUTH_FAIL_HOSTBASED
+	 *
+	 * gssapi-with-mic	-> SSH_AUTH_FAIL_GSSAPI
+	 *
+	 * unknown method	-> SSH_AUDIT_UNKNOWN
+	 */
+	/*
+	 * see mon_table mon_dispatch_proto20[], mon_dispatch_postauth20[],
+	 * mon_dispatch_proto15[], mon_dispatch_postauth15[]:
+	 * MONITOR_REQ_AUDIT_EVENT
+	 * called from monitor.c:mm_answer_audit_event()
+	 * SSH_AUTH_FAIL_PUBKEY, SSH_AUTH_FAIL_HOSTBASED,
+	 * SSH_AUTH_FAIL_GSSAPI, SSH_LOGIN_EXCEED_MAXTRIES,
+	 * SSH_LOGIN_ROOT_DENIED, SSH_CONNECTION_CLOSE SSH_INVALID_USER
+	 * monitor_wrap.c: mm_audit_event()
+	 */
+	case SSH_AUTH_FAIL_NONE:	/* auth type none */
+	case SSH_AUTH_FAIL_PUBKEY:	/* authtype publickey */
+		break;
+
+	case SSH_AUTH_FAIL_PASSWD:	/* auth type password */
+	case SSH_AUTH_FAIL_KBDINT:	/* authtype keyboard-interactive */
+	case SSH_AUTH_FAIL_HOSTBASED:	/* auth type hostbased */
+	case SSH_AUTH_FAIL_GSSAPI:	/* auth type gssapi-with-mic */
+	case SSH_AUDIT_UNKNOWN:		/* auth type unknown */
+		fail = PAM_AUTH_ERR;
+		break;
+
+	/* sshd.c: cleanup_exit: server specific fatal cleanup */
+	case SSH_CONNECTION_ABANDON:	/* bailing with fatal error */
+		/*
+		 * This seems to occur with OpenSSH client when
+		 * the user login shell exits.
+		 */
+		if (logged_in) {
+			audit_logout();		/* ADT_logout; */
+			logged_in = B_FALSE;
+			return;
+		} else if (!did_maxtries) {
+			fail = PAM_AUTHINFO_UNAVAIL;
+		} else {
+			/* reset saw max tries */
+			did_maxtries = FALSE;
+		}
+		break;
+
+	default:
+		error("adt audit_event: unknown event %d", event);
+		__auditd_debug("%d/%d:%d-unknown event %d",
+		    getpid(), getuid(), geteuid(), event);
+		__audit_pidinfo();
+		break;
+	}
+	audit_fail(fail);
+}
+
+/*
+ * Called when a user session is started.  Argument is the tty allocated to
+ * the session, or NULL if no tty was allocated.
+ *
+ * Note that this may be called multiple times if multiple sessions are used
+ * within a single connection.
+ */
+/* ARGSUSED */
+void
+audit_session_open(struct logininfo *li)
+{
+	const char *t = li->line ? li->line : "(no tty)";
+
+	debug("adt audit_session_open: user=%s:tty=%s", audit_username(),
+	    t);
+	__auditd_debug("%d/%d:%d-adt audit_session_open:ctxt=%p "
+	    "user=%s:tty=%s\n", getpid(), getuid(), geteuid(),
+	    (void *)the_authctxt, audit_username(), t);
+	__audit_pidinfo();
+}
+
+/*
+ * Called when a user session is closed.  Argument is the tty allocated to
+ * the session, or NULL if no tty was allocated.
+ *
+ * Note that this may be called multiple times if multiple sessions are used
+ * within a single connection.
+ */
+/* ARGSUSED */
+void
+audit_session_close(struct logininfo *li)
+{
+	const char *t = li->line ? li->line : "(no tty)";
+
+	debug("adt audit_session_close: user=%s:tty=%s", audit_username(),
+	    t);
+	__auditd_debug("%d/%d:%d-adt audit_session_close:ctxt=%p "
+	    "user=%s:tty=%s\n", getpid(), getuid(), geteuid(),
+	    (void *)the_authctxt, audit_username(), t);
+	__audit_pidinfo();
+}
+
+/*
+ * This will be called when a user runs a non-interactive command.  Note that
+ * it may be called multiple times for a single connection since SSH2 allows
+ * multiple sessions within a single connection.
+ */
+/* ARGSUSED */
+void
+audit_run_command(const char *command)
+{
+	debug("adt audit_run_command: \"%s\"", command);
+	__auditd_debug("%d/%d:%d-adt audit_run_command:ctxt=%p \"%s\"\n",
+	    getpid(), getuid(), geteuid(), (void *)the_authctxt, command);
+	__audit_pidinfo();
+}
+
+/*
+ * audit_login - audit successful login
+ *
+ *	Entry	the_authctxt should be valid ;-)
+ *		and pam_setcred called.
+ *		adt_info &  ADT_INFO_PW_SUCCESS if successful
+ *		password change.
+ *
+ *	Exit	ah = audit session established for audit_logout();
+ */
+static void
+audit_login(void)
+{
+	adt_event_data_t *event;
+	uid_t uid = ADT_NO_ATTRIB;
+	gid_t gid = (gid_t)ADT_NO_ATTRIB;
+	au_id_t	auid;
+
+	if ((the_authctxt != NULL) && (the_authctxt->valid != 0)) {
+		uid = the_authctxt->pw->pw_uid;
+		gid = the_authctxt->pw->pw_gid;
+	}
+
+	if (adt_start_session(&ah, NULL, ADT_USE_PROC_DATA) != 0) {
+		error("adt_start_session: %s", strerror(errno));
+		return;
+	}
+
+	adt_get_auid(ah, &auid);
+
+	if (adt_set_user(ah, uid, gid, uid, gid, NULL,
+	    auid == AU_NOAUDITID ? ADT_NEW : ADT_USER)) {
+		error("adt_set_user auid=%d, uid=%d", auid, uid);
+		(void) adt_end_session(ah);
+		ah = NULL;
+		free(tid);
+		tid = NULL;
+		return;
+	}
+	if ((event = adt_alloc_event(ah, ADT_ssh)) == NULL) {
+		error("adt_alloc_event(ADT_ssh): %s", strerror(errno));
+		return;
+	}
+	if (adt_put_event(event, ADT_SUCCESS, ADT_SUCCESS) != 0) {
+		error("adt_put_event(ADT_ssh, ADT_SUCCESS): %s",
+		    strerror(errno));
+	}
+	/* should audit successful password change here */
+	adt_free_event(event);
+}
+
+/*
+ * audit_logout - audit the logout
+ *
+ *	Entry	ah = audit session.
+ */
+static void
+audit_logout(void)
+{
+	adt_event_data_t *event;
+
+	if ((event = adt_alloc_event(ah, ADT_logout)) == NULL) {
+		error("adt_alloc_event(ADT_logout): %s", strerror(errno));
+		return;
+	}
+	if (adt_put_event(event, ADT_SUCCESS, ADT_SUCCESS) != 0) {
+		error("adt_put_event(ADT_logout, ADT_SUCCESS): %s",
+		    strerror(errno));
+	}
+	adt_free_event(event);
+	(void) adt_end_session(ah);
+	ah = NULL;
+	free(tid);
+	tid = NULL;
+}
+
+/*
+ * audit_fail - audit login failure.
+ *
+ *	Entry	the_authctxt assumed to have some info.
+ *			user = user who asked to be authenticated.
+ *		tid = connection audit TID set by audit_connect_from();
+ *
+ *	N.B.	pam_strerror() prototype takes a pam handle and error number.
+ *		At least on Solaris, pam_strerror never uses the pam handle.
+ *		Since there doesn't seem to be a pam handle available, this
+ *		code just uses NULL.
+ */
+static void
+audit_fail(int pamerr)
+{
+	adt_session_data_t *ah = NULL;
+	adt_event_data_t *event;
+	uid_t	uid = ADT_NO_ATTRIB;
+	gid_t	gid = (gid_t)ADT_NO_ATTRIB;
+
+	__auditd_debug("%d/%d:%d-audit_fail(%s) ctxt=%p\n",
+	    getpid(), getuid(), geteuid(), pam_strerror(NULL, pamerr),
+	    (void *)the_authctxt);
+	if (the_authctxt != NULL) {
+		__auditd_debug("valid=%d, user=%s, uid=%d\n",
+		    the_authctxt->valid, the_authctxt->user,
+		    the_authctxt->pw->pw_uid);
+	} else {
+		__auditd_debug("\tNo autxctxt\n");
+	}
+	__audit_pidinfo();
+	if (pamerr == PAM_IGNORE) {
+		return;
+	}
+	if ((the_authctxt != NULL) || (the_authctxt->valid != 0)) {
+		uid = the_authctxt->pw->pw_uid;
+		gid = the_authctxt->pw->pw_gid;
+	} else if ((the_authctxt != NULL) || (the_authctxt->user != NULL)) {
+		struct passwd *pw;
+
+		if ((pw = getpwnam(the_authctxt->user)) != NULL) {
+			uid = pw->pw_uid;
+			gid = pw->pw_gid;
+		}
+	}
+	if (adt_start_session(&ah, NULL, 0) != 0) {
+		error("adt_start_session(ADT_ssh, 0, fail=%s):"
+		    " %s", pam_strerror(NULL, pamerr), strerror(errno));
+		__auditd_debug("%d/%d:%d-adt_start_session(ADT_ssh, "
+		    "PROC_DATA, fail=%s): %s", getpid(), getuid(),
+		    geteuid(), pam_strerror(NULL, pamerr),
+		    strerror(errno));
+		return;
+	}
+	__auditd_debug("%d/%d:%d-audit_fail+start_session() ah=%p\n",
+	    getpid(), getuid(), geteuid(), (void *)ah);
+	if (adt_set_user(ah, uid, gid, uid, gid, tid, ADT_NEW) != 0) {
+		error("adt_set_user(ADT_ssh, PROC_DATA, fail=%s): %s",
+		    pam_strerror(NULL, pamerr), strerror(errno));
+		__auditd_debug("%d/%d:%d-adt_set_user(ADT_ssh, "
+		    "PROC_DATA, fail=%s): %s", getpid(), getuid(),
+		    geteuid(), pam_strerror(NULL, pamerr),
+		    strerror(errno));
+		goto done;
+	}
+	__auditd_debug("%d/%d:%d-audit_fail+set_user() ah=%p\n", getpid(),
+	    getuid(), geteuid(), (void *)ah);
+	if ((event = adt_alloc_event(ah, ADT_ssh)) == NULL) {
+		error("adt_alloc_event(ADT_ssh, fail=%s): %s",
+		    pam_strerror(NULL, pamerr), strerror(errno));
+		__auditd_debug("%d/%d:%d-adt_set_user(ADT_ssh, 0, "
+		    "fail=%s): %s", getpid(), getuid(), geteuid(),
+		    pam_strerror(NULL, pamerr), strerror(errno));
+	} else if (adt_put_event(event, ADT_FAILURE,
+	    ADT_FAIL_PAM + pamerr) != 0) {
+		error("adt_put_event(ADT_ssh, fail=%s): %s",
+		    pam_strerror(NULL, pamerr), strerror(errno));
+		__auditd_debug("%d/%d:%d-adt_put_event(ADT_ssh, fail=%s): %s",
+		    getpid(), getuid(), geteuid(), pam_strerror(NULL, pamerr),
+		    strerror(errno));
+	}
+	__auditd_debug("%d/%d:%d-audit_fail+put_event() ah=%p\n", getpid(),
+	    getuid(), geteuid(), (void *)ah);
+	/* should audit authentication with failed password change here. */
+	adt_free_event(event);
+done:
+	(void) adt_end_session(ah);
+}
+#endif	/* USE_SOLARIS_AUDIT */