X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=kernel%2Fauditsc.c;h=9ebd96fda2958835a7d0d0aa6dc1993ee11f1098;hb=4961f10e2205d0ededa291e12ec634efc58aa93c;hp=4e2256ec7cf30ff23db37d9017a964fe3baa63db;hpb=8c8570fb8feef2bc166bee75a85748b25cda22d9;p=safe%2Fjmp%2Flinux-2.6

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4e2256e..9ebd96f 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -3,7 +3,7 @@
  *
  * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
  * Copyright 2005 Hewlett-Packard Development Company, L.P.
- * Copyright (C) 2005 IBM Corporation
+ * Copyright (C) 2005, 2006 IBM Corporation
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -29,6 +29,9 @@
  * this file -- see entry.S) is based on a GPL'd patch written by
  * okir@suse.de and Copyright 2003 SuSE Linux AG.
  *
+ * POSIX message queue support added by George Wilson <ltcgcw@us.ibm.com>,
+ * 2006.
+ *
  * The support of additional filter rules compares (>, <, >=, <=) was
  * added by Dustin Kirkland <dustin.kirkland@us.ibm.com>, 2005.
  *
@@ -49,20 +52,23 @@
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/socket.h>
+#include <linux/mqueue.h>
 #include <linux/audit.h>
 #include <linux/personality.h>
 #include <linux/time.h>
-#include <linux/kthread.h>
 #include <linux/netlink.h>
 #include <linux/compiler.h>
 #include <asm/unistd.h>
 #include <linux/security.h>
+#include <linux/list.h>
+#include <linux/tty.h>
+#include <linux/selinux.h>
+#include <linux/binfmts.h>
+#include <linux/syscalls.h>
+
+#include "audit.h"
 
-/* 0 = no checking
-   1 = put_count checking
-   2 = verbose put_count checking
-*/
-#define AUDIT_DEBUG 0
+extern struct list_head audit_filter_list[];
 
 /* No syscall auditing will take place unless audit_enabled != 0. */
 extern int audit_enabled;
@@ -76,28 +82,8 @@ extern int audit_enabled;
  * path_lookup. */
 #define AUDIT_NAMES_RESERVED 7
 
-/* At task start time, the audit_state is set in the audit_context using
-   a per-task filter.  At syscall entry, the audit_state is augmented by
-   the syscall filter. */
-enum audit_state {
-	AUDIT_DISABLED,		/* Do not create per-task audit_context.
-				 * No syscall-specific audit records can
-				 * be generated. */
-	AUDIT_SETUP_CONTEXT,	/* Create the per-task audit_context,
-				 * but don't necessarily fill it in at
-				 * syscall entry time (i.e., filter
-				 * instead). */
-	AUDIT_BUILD_CONTEXT,	/* Create the per-task audit_context,
-				 * and always fill it in at syscall
-				 * entry time.  This makes a full
-				 * syscall record available if some
-				 * other part of the kernel decides it
-				 * should be recorded. */
-	AUDIT_RECORD_CONTEXT	/* Create the per-task audit_context,
-				 * always fill it in at syscall entry
-				 * time, and always write out the audit
-				 * record at syscall exit time.  */
-};
+/* Indicates that audit should log the full pathname. */
+#define AUDIT_NAME_FULL -1
 
 /* When fs/namei.c:getname() is called, we store the pointer in name and
  * we don't let putname() free it (instead we free all of the saved
@@ -106,14 +92,15 @@ enum audit_state {
  * Further, in fs/namei.c:path_lookup() we store the inode and device. */
 struct audit_names {
 	const char	*name;
+	int		name_len;	/* number of name's characters to log */
+	unsigned	name_put;	/* call __putname() for this name */
 	unsigned long	ino;
-	unsigned long	pino;
 	dev_t		dev;
 	umode_t		mode;
 	uid_t		uid;
 	gid_t		gid;
 	dev_t		rdev;
-	char		*ctx;
+	u32		osid;
 };
 
 struct audit_aux_data {
@@ -123,6 +110,33 @@ struct audit_aux_data {
 
 #define AUDIT_AUX_IPCPERM	0
 
+struct audit_aux_data_mq_open {
+	struct audit_aux_data	d;
+	int			oflag;
+	mode_t			mode;
+	struct mq_attr		attr;
+};
+
+struct audit_aux_data_mq_sendrecv {
+	struct audit_aux_data	d;
+	mqd_t			mqdes;
+	size_t			msg_len;
+	unsigned int		msg_prio;
+	struct timespec		abs_timeout;
+};
+
+struct audit_aux_data_mq_notify {
+	struct audit_aux_data	d;
+	mqd_t			mqdes;
+	struct sigevent 	notification;
+};
+
+struct audit_aux_data_mq_getsetattr {
+	struct audit_aux_data	d;
+	mqd_t			mqdes;
+	struct mq_attr 		mqstat;
+};
+
 struct audit_aux_data_ipcctl {
 	struct audit_aux_data	d;
 	struct ipc_perm		p;
@@ -130,7 +144,14 @@ struct audit_aux_data_ipcctl {
 	uid_t			uid;
 	gid_t			gid;
 	mode_t			mode;
-	char 			*ctx;
+	u32			osid;
+};
+
+struct audit_aux_data_execve {
+	struct audit_aux_data	d;
+	int argc;
+	int envc;
+	char mem[0];
 };
 
 struct audit_aux_data_socketcall {
@@ -171,7 +192,7 @@ struct audit_context {
 	struct audit_aux_data *aux;
 
 				/* Save things to print about task_struct */
-	pid_t		    pid;
+	pid_t		    pid, ppid;
 	uid_t		    uid, euid, suid, fsuid;
 	gid_t		    gid, egid, sgid, fsgid;
 	unsigned long	    personality;
@@ -183,332 +204,81 @@ struct audit_context {
 #endif
 };
 
-				/* Public API */
-/* There are three lists of rules -- one to search at task creation
- * time, one to search at syscall entry time, and another to search at
- * syscall exit time. */
-static struct list_head audit_filter_list[AUDIT_NR_FILTERS] = {
-	LIST_HEAD_INIT(audit_filter_list[0]),
-	LIST_HEAD_INIT(audit_filter_list[1]),
-	LIST_HEAD_INIT(audit_filter_list[2]),
-	LIST_HEAD_INIT(audit_filter_list[3]),
-	LIST_HEAD_INIT(audit_filter_list[4]),
-	LIST_HEAD_INIT(audit_filter_list[5]),
-#if AUDIT_NR_FILTERS != 6
-#error Fix audit_filter_list initialiser
-#endif
-};
-
-struct audit_entry {
-	struct list_head  list;
-	struct rcu_head   rcu;
-	struct audit_rule rule;
-};
-
-extern int audit_pid;
-
-/* Copy rule from user-space to kernel-space.  Called from 
- * audit_add_rule during AUDIT_ADD. */
-static inline int audit_copy_rule(struct audit_rule *d, struct audit_rule *s)
-{
-	int i;
-
-	if (s->action != AUDIT_NEVER
-	    && s->action != AUDIT_POSSIBLE
-	    && s->action != AUDIT_ALWAYS)
-		return -1;
-	if (s->field_count < 0 || s->field_count > AUDIT_MAX_FIELDS)
-		return -1;
-	if ((s->flags & ~AUDIT_FILTER_PREPEND) >= AUDIT_NR_FILTERS)
-		return -1;
-
-	d->flags	= s->flags;
-	d->action	= s->action;
-	d->field_count	= s->field_count;
-	for (i = 0; i < d->field_count; i++) {
-		d->fields[i] = s->fields[i];
-		d->values[i] = s->values[i];
-	}
-	for (i = 0; i < AUDIT_BITMASK_SIZE; i++) d->mask[i] = s->mask[i];
-	return 0;
-}
-
-/* Check to see if two rules are identical.  It is called from
- * audit_add_rule during AUDIT_ADD and 
- * audit_del_rule during AUDIT_DEL. */
-static inline int audit_compare_rule(struct audit_rule *a, struct audit_rule *b)
-{
-	int i;
-
-	if (a->flags != b->flags)
-		return 1;
-
-	if (a->action != b->action)
-		return 1;
-
-	if (a->field_count != b->field_count)
-		return 1;
-
-	for (i = 0; i < a->field_count; i++) {
-		if (a->fields[i] != b->fields[i]
-		    || a->values[i] != b->values[i])
-			return 1;
-	}
-
-	for (i = 0; i < AUDIT_BITMASK_SIZE; i++)
-		if (a->mask[i] != b->mask[i])
-			return 1;
-
-	return 0;
-}
-
-/* Note that audit_add_rule and audit_del_rule are called via
- * audit_receive() in audit.c, and are protected by
- * audit_netlink_sem. */
-static inline int audit_add_rule(struct audit_rule *rule,
-				  struct list_head *list)
-{
-	struct audit_entry  *entry;
-	int i;
-
-	/* Do not use the _rcu iterator here, since this is the only
-	 * addition routine. */
-	list_for_each_entry(entry, list, list) {
-		if (!audit_compare_rule(rule, &entry->rule)) {
-			return -EEXIST;
-		}
-	}
-
-	for (i = 0; i < rule->field_count; i++) {
-		if (rule->fields[i] & AUDIT_UNUSED_BITS)
-			return -EINVAL;
-		if ( rule->fields[i] & AUDIT_NEGATE )
-			rule->fields[i] |= AUDIT_NOT_EQUAL;
-		else if ( (rule->fields[i] & AUDIT_OPERATORS) == 0 )
-			rule->fields[i] |= AUDIT_EQUAL;
-		rule->fields[i] &= (~AUDIT_NEGATE);
-	}
-
-	if (!(entry = kmalloc(sizeof(*entry), GFP_KERNEL)))
-		return -ENOMEM;
-	if (audit_copy_rule(&entry->rule, rule)) {
-		kfree(entry);
-		return -EINVAL;
-	}
-
-	if (entry->rule.flags & AUDIT_FILTER_PREPEND) {
-		entry->rule.flags &= ~AUDIT_FILTER_PREPEND;
-		list_add_rcu(&entry->list, list);
-	} else {
-		list_add_tail_rcu(&entry->list, list);
-	}
-
-	return 0;
-}
-
-static inline void audit_free_rule(struct rcu_head *head)
-{
-	struct audit_entry *e = container_of(head, struct audit_entry, rcu);
-	kfree(e);
-}
-
-/* Note that audit_add_rule and audit_del_rule are called via
- * audit_receive() in audit.c, and are protected by
- * audit_netlink_sem. */
-static inline int audit_del_rule(struct audit_rule *rule,
-				 struct list_head *list)
-{
-	struct audit_entry  *e;
-
-	/* Do not use the _rcu iterator here, since this is the only
-	 * deletion routine. */
-	list_for_each_entry(e, list, list) {
-		if (!audit_compare_rule(rule, &e->rule)) {
-			list_del_rcu(&e->list);
-			call_rcu(&e->rcu, audit_free_rule);
-			return 0;
-		}
-	}
-	return -ENOENT;		/* No matching rule */
-}
-
-static int audit_list_rules(void *_dest)
-{
-	int pid, seq;
-	int *dest = _dest;
-	struct audit_entry *entry;
-	int i;
-
-	pid = dest[0];
-	seq = dest[1];
-	kfree(dest);
-
-	down(&audit_netlink_sem);
-
-	/* The *_rcu iterators not needed here because we are
-	   always called with audit_netlink_sem held. */
-	for (i=0; i<AUDIT_NR_FILTERS; i++) {
-		list_for_each_entry(entry, &audit_filter_list[i], list)
-			audit_send_reply(pid, seq, AUDIT_LIST, 0, 1,
-					 &entry->rule, sizeof(entry->rule));
-	}
-	audit_send_reply(pid, seq, AUDIT_LIST, 1, 1, NULL, 0);
-	
-	up(&audit_netlink_sem);
-	return 0;
-}
-
-/**
- * audit_receive_filter - apply all rules to the specified message type
- * @type: audit message type
- * @pid: target pid for netlink audit messages
- * @uid: target uid for netlink audit messages
- * @seq: netlink audit message sequence (serial) number
- * @data: payload data
- * @loginuid: loginuid of sender
- */
-int audit_receive_filter(int type, int pid, int uid, int seq, void *data,
-							uid_t loginuid)
-{
-	struct task_struct *tsk;
-	int *dest;
-	int		   err = 0;
-	unsigned listnr;
-
-	switch (type) {
-	case AUDIT_LIST:
-		/* We can't just spew out the rules here because we might fill
-		 * the available socket buffer space and deadlock waiting for
-		 * auditctl to read from it... which isn't ever going to
-		 * happen if we're actually running in the context of auditctl
-		 * trying to _send_ the stuff */
-		 
-		dest = kmalloc(2 * sizeof(int), GFP_KERNEL);
-		if (!dest)
-			return -ENOMEM;
-		dest[0] = pid;
-		dest[1] = seq;
-
-		tsk = kthread_run(audit_list_rules, dest, "audit_list_rules");
-		if (IS_ERR(tsk)) {
-			kfree(dest);
-			err = PTR_ERR(tsk);
-		}
-		break;
-	case AUDIT_ADD:
-		listnr =((struct audit_rule *)data)->flags & ~AUDIT_FILTER_PREPEND;
-		if (listnr >= AUDIT_NR_FILTERS)
-			return -EINVAL;
-
-		err = audit_add_rule(data, &audit_filter_list[listnr]);
-		if (!err)
-			audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
-				  "auid=%u added an audit rule\n", loginuid);
-		break;
-	case AUDIT_DEL:
-		listnr =((struct audit_rule *)data)->flags & ~AUDIT_FILTER_PREPEND;
-		if (listnr >= AUDIT_NR_FILTERS)
-			return -EINVAL;
-
-		err = audit_del_rule(data, &audit_filter_list[listnr]);
-		if (!err)
-			audit_log(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE,
-				  "auid=%u removed an audit rule\n", loginuid);
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return err;
-}
-
-static int audit_comparator(const u32 left, const u32 op, const u32 right)
-{
-	switch (op) {
-	case AUDIT_EQUAL:
-		return (left == right);
-	case AUDIT_NOT_EQUAL:
-		return (left != right);
-	case AUDIT_LESS_THAN:
-		return (left < right);
-	case AUDIT_LESS_THAN_OR_EQUAL:
-		return (left <= right);
-	case AUDIT_GREATER_THAN:
-		return (left > right);
-	case AUDIT_GREATER_THAN_OR_EQUAL:
-		return (left >= right);
-	default:
-		return -EINVAL;
-	}
-}
-
+/* Determine if any context name data matches a rule's watch data */
 /* Compare a task_struct with an audit_rule.  Return 1 on match, 0
  * otherwise. */
 static int audit_filter_rules(struct task_struct *tsk,
-			      struct audit_rule *rule,
+			      struct audit_krule *rule,
 			      struct audit_context *ctx,
+			      struct audit_names *name,
 			      enum audit_state *state)
 {
-	int i, j;
+	int i, j, need_sid = 1;
+	u32 sid;
 
 	for (i = 0; i < rule->field_count; i++) {
-		u32 field  = rule->fields[i] & ~AUDIT_OPERATORS;
-		u32 op  = rule->fields[i] & AUDIT_OPERATORS;
-		u32 value  = rule->values[i];
+		struct audit_field *f = &rule->fields[i];
 		int result = 0;
 
-		switch (field) {
+		switch (f->type) {
 		case AUDIT_PID:
-			result = audit_comparator(tsk->pid, op, value);
+			result = audit_comparator(tsk->pid, f->op, f->val);
+			break;
+		case AUDIT_PPID:
+			if (ctx)
+				result = audit_comparator(ctx->ppid, f->op, f->val);
 			break;
 		case AUDIT_UID:
-			result = audit_comparator(tsk->uid, op, value);
+			result = audit_comparator(tsk->uid, f->op, f->val);
 			break;
 		case AUDIT_EUID:
-			result = audit_comparator(tsk->euid, op, value);
+			result = audit_comparator(tsk->euid, f->op, f->val);
 			break;
 		case AUDIT_SUID:
-			result = audit_comparator(tsk->suid, op, value);
+			result = audit_comparator(tsk->suid, f->op, f->val);
 			break;
 		case AUDIT_FSUID:
-			result = audit_comparator(tsk->fsuid, op, value);
+			result = audit_comparator(tsk->fsuid, f->op, f->val);
 			break;
 		case AUDIT_GID:
-			result = audit_comparator(tsk->gid, op, value);
+			result = audit_comparator(tsk->gid, f->op, f->val);
 			break;
 		case AUDIT_EGID:
-			result = audit_comparator(tsk->egid, op, value);
+			result = audit_comparator(tsk->egid, f->op, f->val);
 			break;
 		case AUDIT_SGID:
-			result = audit_comparator(tsk->sgid, op, value);
+			result = audit_comparator(tsk->sgid, f->op, f->val);
 			break;
 		case AUDIT_FSGID:
-			result = audit_comparator(tsk->fsgid, op, value);
+			result = audit_comparator(tsk->fsgid, f->op, f->val);
 			break;
 		case AUDIT_PERS:
-			result = audit_comparator(tsk->personality, op, value);
+			result = audit_comparator(tsk->personality, f->op, f->val);
 			break;
 		case AUDIT_ARCH:
  			if (ctx)
-				result = audit_comparator(ctx->arch, op, value);
+				result = audit_comparator(ctx->arch, f->op, f->val);
 			break;
 
 		case AUDIT_EXIT:
 			if (ctx && ctx->return_valid)
-				result = audit_comparator(ctx->return_code, op, value);
+				result = audit_comparator(ctx->return_code, f->op, f->val);
 			break;
 		case AUDIT_SUCCESS:
 			if (ctx && ctx->return_valid) {
-				if (value)
-					result = audit_comparator(ctx->return_valid, op, AUDITSC_SUCCESS);
+				if (f->val)
+					result = audit_comparator(ctx->return_valid, f->op, AUDITSC_SUCCESS);
 				else
-					result = audit_comparator(ctx->return_valid, op, AUDITSC_FAILURE);
+					result = audit_comparator(ctx->return_valid, f->op, AUDITSC_FAILURE);
 			}
 			break;
 		case AUDIT_DEVMAJOR:
-			if (ctx) {
+			if (name)
+				result = audit_comparator(MAJOR(name->dev),
+							  f->op, f->val);
+			else if (ctx) {
 				for (j = 0; j < ctx->name_count; j++) {
-					if (audit_comparator(MAJOR(ctx->names[j].dev),	op, value)) {
+					if (audit_comparator(MAJOR(ctx->names[j].dev),	f->op, f->val)) {
 						++result;
 						break;
 					}
@@ -516,9 +286,12 @@ static int audit_filter_rules(struct task_struct *tsk,
 			}
 			break;
 		case AUDIT_DEVMINOR:
-			if (ctx) {
+			if (name)
+				result = audit_comparator(MINOR(name->dev),
+							  f->op, f->val);
+			else if (ctx) {
 				for (j = 0; j < ctx->name_count; j++) {
-					if (audit_comparator(MINOR(ctx->names[j].dev), op, value)) {
+					if (audit_comparator(MINOR(ctx->names[j].dev), f->op, f->val)) {
 						++result;
 						break;
 					}
@@ -526,27 +299,54 @@ static int audit_filter_rules(struct task_struct *tsk,
 			}
 			break;
 		case AUDIT_INODE:
-			if (ctx) {
+			if (name)
+				result = (name->ino == f->val);
+			else if (ctx) {
 				for (j = 0; j < ctx->name_count; j++) {
-					if (audit_comparator(ctx->names[j].ino, op, value) ||
-					    audit_comparator(ctx->names[j].pino, op, value)) {
+					if (audit_comparator(ctx->names[j].ino, f->op, f->val)) {
 						++result;
 						break;
 					}
 				}
 			}
 			break;
+		case AUDIT_WATCH:
+			if (name && rule->watch->ino != (unsigned long)-1)
+				result = (name->dev == rule->watch->dev &&
+					  name->ino == rule->watch->ino);
+			break;
 		case AUDIT_LOGINUID:
 			result = 0;
 			if (ctx)
-				result = audit_comparator(ctx->loginuid, op, value);
+				result = audit_comparator(ctx->loginuid, f->op, f->val);
+			break;
+		case AUDIT_SE_USER:
+		case AUDIT_SE_ROLE:
+		case AUDIT_SE_TYPE:
+		case AUDIT_SE_SEN:
+		case AUDIT_SE_CLR:
+			/* NOTE: this may return negative values indicating
+			   a temporary error.  We simply treat this as a
+			   match for now to avoid losing information that
+			   may be wanted.   An error message will also be
+			   logged upon error */
+			if (f->se_rule) {
+				if (need_sid) {
+					selinux_task_ctxid(tsk, &sid);
+					need_sid = 0;
+				}
+				result = selinux_audit_rule_match(sid, f->type,
+				                                  f->op,
+				                                  f->se_rule,
+				                                  ctx);
+			}
 			break;
 		case AUDIT_ARG0:
 		case AUDIT_ARG1:
 		case AUDIT_ARG2:
 		case AUDIT_ARG3:
 			if (ctx)
-				result = audit_comparator(ctx->argv[field-AUDIT_ARG0], op, value);
+				result = audit_comparator(ctx->argv[f->type-AUDIT_ARG0], f->op, f->val);
 			break;
 		}
 
@@ -555,7 +355,6 @@ static int audit_filter_rules(struct task_struct *tsk,
 	}
 	switch (rule->action) {
 	case AUDIT_NEVER:    *state = AUDIT_DISABLED;	    break;
-	case AUDIT_POSSIBLE: *state = AUDIT_BUILD_CONTEXT;  break;
 	case AUDIT_ALWAYS:   *state = AUDIT_RECORD_CONTEXT; break;
 	}
 	return 1;
@@ -572,7 +371,7 @@ static enum audit_state audit_filter_task(struct task_struct *tsk)
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TASK], list) {
-		if (audit_filter_rules(tsk, &e->rule, NULL, &state)) {
+		if (audit_filter_rules(tsk, &e->rule, NULL, NULL, &state)) {
 			rcu_read_unlock();
 			return state;
 		}
@@ -602,8 +401,9 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
 		int bit  = AUDIT_BIT(ctx->major);
 
 		list_for_each_entry_rcu(e, list, list) {
-			if ((e->rule.mask[word] & bit) == bit
-					&& audit_filter_rules(tsk, &e->rule, ctx, &state)) {
+			if ((e->rule.mask[word] & bit) == bit &&
+			    audit_filter_rules(tsk, &e->rule, ctx, NULL,
+					       &state)) {
 				rcu_read_unlock();
 				return state;
 			}
@@ -613,96 +413,49 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
 	return AUDIT_BUILD_CONTEXT;
 }
 
-static int audit_filter_user_rules(struct netlink_skb_parms *cb,
-				   struct audit_rule *rule,
-				   enum audit_state *state)
+/* At syscall exit time, this filter is called if any audit_names[] have been
+ * collected during syscall processing.  We only check rules in sublists at hash
+ * buckets applicable to the inode numbers in audit_names[].
+ * Regarding audit_state, same rules apply as for audit_filter_syscall().
+ */
+enum audit_state audit_filter_inodes(struct task_struct *tsk,
+				     struct audit_context *ctx)
 {
 	int i;
-
-	for (i = 0; i < rule->field_count; i++) {
-		u32 field  = rule->fields[i] & ~AUDIT_OPERATORS;
-		u32 op  = rule->fields[i] & AUDIT_OPERATORS;
-		u32 value  = rule->values[i];
-		int result = 0;
-
-		switch (field) {
-		case AUDIT_PID:
-			result = audit_comparator(cb->creds.pid, op, value);
-			break;
-		case AUDIT_UID:
-			result = audit_comparator(cb->creds.uid, op, value);
-			break;
-		case AUDIT_GID:
-			result = audit_comparator(cb->creds.gid, op, value);
-			break;
-		case AUDIT_LOGINUID:
-			result = audit_comparator(cb->loginuid, op, value);
-			break;
-		}
-
-		if (!result)
-			return 0;
-	}
-	switch (rule->action) {
-	case AUDIT_NEVER:    *state = AUDIT_DISABLED;	    break;
-	case AUDIT_POSSIBLE: *state = AUDIT_BUILD_CONTEXT;  break;
-	case AUDIT_ALWAYS:   *state = AUDIT_RECORD_CONTEXT; break;
-	}
-	return 1;
-}
-
-int audit_filter_user(struct netlink_skb_parms *cb, int type)
-{
 	struct audit_entry *e;
-	enum audit_state   state;
-	int ret = 1;
+	enum audit_state state;
+
+	if (audit_pid && tsk->tgid == audit_pid)
+		return AUDIT_DISABLED;
 
 	rcu_read_lock();
-	list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_USER], list) {
-		if (audit_filter_user_rules(cb, &e->rule, &state)) {
-			if (state == AUDIT_DISABLED)
-				ret = 0;
-			break;
-		}
-	}
-	rcu_read_unlock();
+	for (i = 0; i < ctx->name_count; i++) {
+		int word = AUDIT_WORD(ctx->major);
+		int bit  = AUDIT_BIT(ctx->major);
+		struct audit_names *n = &ctx->names[i];
+		int h = audit_hash_ino((u32)n->ino);
+		struct list_head *list = &audit_inode_hash[h];
 
-	return ret; /* Audit by default */
-}
+		if (list_empty(list))
+			continue;
 
-int audit_filter_type(int type)
-{
-	struct audit_entry *e;
-	int result = 0;
-	
-	rcu_read_lock();
-	if (list_empty(&audit_filter_list[AUDIT_FILTER_TYPE]))
-		goto unlock_and_return;
-
-	list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TYPE],
-				list) {
-		struct audit_rule *rule = &e->rule;
-		int i;
-		for (i = 0; i < rule->field_count; i++) {
-			u32 field  = rule->fields[i] & ~AUDIT_OPERATORS;
-			u32 op  = rule->fields[i] & AUDIT_OPERATORS;
-			u32 value  = rule->values[i];
-			if ( field == AUDIT_MSGTYPE ) {
-				result = audit_comparator(type, op, value); 
-				if (!result)
-					break;
+		list_for_each_entry_rcu(e, list, list) {
+			if ((e->rule.mask[word] & bit) == bit &&
+			    audit_filter_rules(tsk, &e->rule, ctx, n, &state)) {
+				rcu_read_unlock();
+				return state;
 			}
 		}
-		if (result)
-			goto unlock_and_return;
 	}
-unlock_and_return:
 	rcu_read_unlock();
-	return result;
+	return AUDIT_BUILD_CONTEXT;
 }
 
+void audit_set_auditable(struct audit_context *ctx)
+{
+	ctx->auditable = 1;
+}
 
-/* This should be called with task_lock() held. */
 static inline struct audit_context *audit_get_context(struct task_struct *tsk,
 						      int return_valid,
 						      int return_code)
@@ -716,12 +469,22 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk,
 
 	if (context->in_syscall && !context->auditable) {
 		enum audit_state state;
+
 		state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]);
+		if (state == AUDIT_RECORD_CONTEXT) {
+			context->auditable = 1;
+			goto get_context;
+		}
+
+		state = audit_filter_inodes(tsk, context);
 		if (state == AUDIT_RECORD_CONTEXT)
 			context->auditable = 1;
+
 	}
 
+get_context:
 	context->pid = tsk->pid;
+	context->ppid = sys_getppid();	/* sic.  tsk == current in all cases */
 	context->uid = tsk->uid;
 	context->gid = tsk->gid;
 	context->euid = tsk->euid;
@@ -764,10 +527,7 @@ static inline void audit_free_names(struct audit_context *context)
 #endif
 
 	for (i = 0; i < context->name_count; i++) {
-		char *p = context->names[i].ctx;
-		context->names[i].ctx = NULL;
-		kfree(p);
-		if (context->names[i].name)
+		if (context->names[i].name && context->names[i].name_put)
 			__putname(context->names[i].name);
 	}
 	context->name_count = 0;
@@ -789,11 +549,6 @@ static inline void audit_free_aux(struct audit_context *context)
 			dput(axi->dentry);
 			mntput(axi->mnt);
 		}
-		if ( aux->type == AUDIT_IPC ) {
-			struct audit_aux_data_ipcctl *axi = (void *)aux;
-			if (axi->ctx)
-				kfree(axi->ctx);
-		}
 
 		context->aux = aux->next;
 		kfree(aux);
@@ -879,7 +634,7 @@ static inline void audit_free_context(struct audit_context *context)
 		printk(KERN_ERR "audit: freed %d contexts\n", count);
 }
 
-static void audit_log_task_context(struct audit_buffer *ab, gfp_t gfp_mask)
+static void audit_log_task_context(struct audit_buffer *ab)
 {
 	char *ctx = NULL;
 	ssize_t len = 0;
@@ -891,65 +646,64 @@ static void audit_log_task_context(struct audit_buffer *ab, gfp_t gfp_mask)
 		return;
 	}
 
-	ctx = kmalloc(len, gfp_mask);
-	if (!ctx) {
+	ctx = kmalloc(len, GFP_KERNEL);
+	if (!ctx)
 		goto error_path;
-		return;
-	}
 
 	len = security_getprocattr(current, "current", ctx, len);
 	if (len < 0 )
 		goto error_path;
 
 	audit_log_format(ab, " subj=%s", ctx);
+	return;
 
 error_path:
 	if (ctx)
 		kfree(ctx);
-	audit_panic("security_getprocattr error in audit_log_task_context");
+	audit_panic("error in audit_log_task_context");
 	return;
 }
 
-static void audit_log_task_info(struct audit_buffer *ab, gfp_t gfp_mask)
+static void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
 {
-	char name[sizeof(current->comm)];
-	struct mm_struct *mm = current->mm;
+	char name[sizeof(tsk->comm)];
+	struct mm_struct *mm = tsk->mm;
 	struct vm_area_struct *vma;
 
-	get_task_comm(name, current);
+	/* tsk == current */
+
+	get_task_comm(name, tsk);
 	audit_log_format(ab, " comm=");
 	audit_log_untrustedstring(ab, name);
 
-	if (!mm)
-		return;
-
-	/*
-	 * this is brittle; all callers that pass GFP_ATOMIC will have
-	 * NULL current->mm and we won't get here.
-	 */
-	down_read(&mm->mmap_sem);
-	vma = mm->mmap;
-	while (vma) {
-		if ((vma->vm_flags & VM_EXECUTABLE) &&
-		    vma->vm_file) {
-			audit_log_d_path(ab, "exe=",
-					 vma->vm_file->f_dentry,
-					 vma->vm_file->f_vfsmnt);
-			break;
+	if (mm) {
+		down_read(&mm->mmap_sem);
+		vma = mm->mmap;
+		while (vma) {
+			if ((vma->vm_flags & VM_EXECUTABLE) &&
+			    vma->vm_file) {
+				audit_log_d_path(ab, "exe=",
+						 vma->vm_file->f_dentry,
+						 vma->vm_file->f_vfsmnt);
+				break;
+			}
+			vma = vma->vm_next;
 		}
-		vma = vma->vm_next;
+		up_read(&mm->mmap_sem);
 	}
-	up_read(&mm->mmap_sem);
-	audit_log_task_context(ab, gfp_mask);
+	audit_log_task_context(ab);
 }
 
-static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
+static void audit_log_exit(struct audit_context *context, struct task_struct *tsk)
 {
-	int i;
+	int i, call_panic = 0;
 	struct audit_buffer *ab;
 	struct audit_aux_data *aux;
+	const char *tty;
 
-	ab = audit_log_start(context, gfp_mask, AUDIT_SYSCALL);
+	/* tsk == current */
+
+	ab = audit_log_start(context, GFP_KERNEL, AUDIT_SYSCALL);
 	if (!ab)
 		return;		/* audit_panic has been called */
 	audit_log_format(ab, "arch=%x syscall=%d",
@@ -960,37 +714,109 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
 		audit_log_format(ab, " success=%s exit=%ld", 
 				 (context->return_valid==AUDITSC_SUCCESS)?"yes":"no",
 				 context->return_code);
+	if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
+		tty = tsk->signal->tty->name;
+	else
+		tty = "(none)";
 	audit_log_format(ab,
 		  " a0=%lx a1=%lx a2=%lx a3=%lx items=%d"
-		  " pid=%d auid=%u uid=%u gid=%u"
+		  " ppid=%d pid=%d auid=%u uid=%u gid=%u"
 		  " euid=%u suid=%u fsuid=%u"
-		  " egid=%u sgid=%u fsgid=%u",
+		  " egid=%u sgid=%u fsgid=%u tty=%s",
 		  context->argv[0],
 		  context->argv[1],
 		  context->argv[2],
 		  context->argv[3],
 		  context->name_count,
+		  context->ppid,
 		  context->pid,
 		  context->loginuid,
 		  context->uid,
 		  context->gid,
 		  context->euid, context->suid, context->fsuid,
-		  context->egid, context->sgid, context->fsgid);
-	audit_log_task_info(ab, gfp_mask);
+		  context->egid, context->sgid, context->fsgid, tty);
+	audit_log_task_info(ab, tsk);
 	audit_log_end(ab);
 
 	for (aux = context->aux; aux; aux = aux->next) {
 
-		ab = audit_log_start(context, gfp_mask, aux->type);
+		ab = audit_log_start(context, GFP_KERNEL, aux->type);
 		if (!ab)
 			continue; /* audit_panic has been called */
 
 		switch (aux->type) {
+		case AUDIT_MQ_OPEN: {
+			struct audit_aux_data_mq_open *axi = (void *)aux;
+			audit_log_format(ab,
+				"oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld "
+				"mq_msgsize=%ld mq_curmsgs=%ld",
+				axi->oflag, axi->mode, axi->attr.mq_flags,
+				axi->attr.mq_maxmsg, axi->attr.mq_msgsize,
+				axi->attr.mq_curmsgs);
+			break; }
+
+		case AUDIT_MQ_SENDRECV: {
+			struct audit_aux_data_mq_sendrecv *axi = (void *)aux;
+			audit_log_format(ab,
+				"mqdes=%d msg_len=%zd msg_prio=%u "
+				"abs_timeout_sec=%ld abs_timeout_nsec=%ld",
+				axi->mqdes, axi->msg_len, axi->msg_prio,
+				axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec);
+			break; }
+
+		case AUDIT_MQ_NOTIFY: {
+			struct audit_aux_data_mq_notify *axi = (void *)aux;
+			audit_log_format(ab,
+				"mqdes=%d sigev_signo=%d",
+				axi->mqdes,
+				axi->notification.sigev_signo);
+			break; }
+
+		case AUDIT_MQ_GETSETATTR: {
+			struct audit_aux_data_mq_getsetattr *axi = (void *)aux;
+			audit_log_format(ab,
+				"mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld "
+				"mq_curmsgs=%ld ",
+				axi->mqdes,
+				axi->mqstat.mq_flags, axi->mqstat.mq_maxmsg,
+				axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs);
+			break; }
+
 		case AUDIT_IPC: {
 			struct audit_aux_data_ipcctl *axi = (void *)aux;
 			audit_log_format(ab, 
-					 " qbytes=%lx iuid=%u igid=%u mode=%x obj=%s",
-					 axi->qbytes, axi->uid, axi->gid, axi->mode, axi->ctx);
+				 "ouid=%u ogid=%u mode=%x",
+				 axi->uid, axi->gid, axi->mode);
+			if (axi->osid != 0) {
+				char *ctx = NULL;
+				u32 len;
+				if (selinux_ctxid_to_string(
+						axi->osid, &ctx, &len)) {
+					audit_log_format(ab, " osid=%u",
+							axi->osid);
+					call_panic = 1;
+				} else
+					audit_log_format(ab, " obj=%s", ctx);
+				kfree(ctx);
+			}
+			break; }
+
+		case AUDIT_IPC_SET_PERM: {
+			struct audit_aux_data_ipcctl *axi = (void *)aux;
+			audit_log_format(ab,
+				"qbytes=%lx ouid=%u ogid=%u mode=%x",
+				axi->qbytes, axi->uid, axi->gid, axi->mode);
+			break; }
+
+		case AUDIT_EXECVE: {
+			struct audit_aux_data_execve *axi = (void *)aux;
+			int i;
+			const char *p;
+			for (i = 0, p = axi->mem; i < axi->argc; i++) {
+				audit_log_format(ab, "a%d=", i);
+				p = audit_log_untrustedstring(ab, p);
+				audit_log_format(ab, "\n");
+			}
 			break; }
 
 		case AUDIT_SOCKETCALL: {
@@ -1018,65 +844,85 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask)
 	}
 
 	if (context->pwd && context->pwdmnt) {
-		ab = audit_log_start(context, gfp_mask, AUDIT_CWD);
+		ab = audit_log_start(context, GFP_KERNEL, AUDIT_CWD);
 		if (ab) {
 			audit_log_d_path(ab, "cwd=", context->pwd, context->pwdmnt);
 			audit_log_end(ab);
 		}
 	}
 	for (i = 0; i < context->name_count; i++) {
-		unsigned long ino  = context->names[i].ino;
-		unsigned long pino = context->names[i].pino;
+		struct audit_names *n = &context->names[i];
 
-		ab = audit_log_start(context, gfp_mask, AUDIT_PATH);
+		ab = audit_log_start(context, GFP_KERNEL, AUDIT_PATH);
 		if (!ab)
 			continue; /* audit_panic has been called */
 
 		audit_log_format(ab, "item=%d", i);
 
-		audit_log_format(ab, " name=");
-		if (context->names[i].name)
-			audit_log_untrustedstring(ab, context->names[i].name);
-		else
-			audit_log_format(ab, "(null)");
-
-		if (pino != (unsigned long)-1)
-			audit_log_format(ab, " parent=%lu",  pino);
-		if (ino != (unsigned long)-1)
-			audit_log_format(ab, " inode=%lu",  ino);
-		if ((pino != (unsigned long)-1) || (ino != (unsigned long)-1))
-			audit_log_format(ab, " dev=%02x:%02x mode=%#o" 
-					 " ouid=%u ogid=%u rdev=%02x:%02x", 
-					 MAJOR(context->names[i].dev), 
-					 MINOR(context->names[i].dev), 
-					 context->names[i].mode, 
-					 context->names[i].uid, 
-					 context->names[i].gid, 
-					 MAJOR(context->names[i].rdev), 
-					 MINOR(context->names[i].rdev));
-		if (context->names[i].ctx) {
-			audit_log_format(ab, " obj=%s",
-					context->names[i].ctx);
+		if (n->name) {
+			switch(n->name_len) {
+			case AUDIT_NAME_FULL:
+				/* log the full path */
+				audit_log_format(ab, " name=");
+				audit_log_untrustedstring(ab, n->name);
+				break;
+			case 0:
+				/* name was specified as a relative path and the
+				 * directory component is the cwd */
+				audit_log_d_path(ab, " name=", context->pwd,
+						 context->pwdmnt);
+				break;
+			default:
+				/* log the name's directory component */
+				audit_log_format(ab, " name=");
+				audit_log_n_untrustedstring(ab, n->name_len,
+							    n->name);
+			}
+		} else
+			audit_log_format(ab, " name=(null)");
+
+		if (n->ino != (unsigned long)-1) {
+			audit_log_format(ab, " inode=%lu"
+					 " dev=%02x:%02x mode=%#o"
+					 " ouid=%u ogid=%u rdev=%02x:%02x",
+					 n->ino,
+					 MAJOR(n->dev),
+					 MINOR(n->dev),
+					 n->mode,
+					 n->uid,
+					 n->gid,
+					 MAJOR(n->rdev),
+					 MINOR(n->rdev));
+		}
+		if (n->osid != 0) {
+			char *ctx = NULL;
+			u32 len;
+			if (selinux_ctxid_to_string(
+				n->osid, &ctx, &len)) {
+				audit_log_format(ab, " osid=%u", n->osid);
+				call_panic = 2;
+			} else
+				audit_log_format(ab, " obj=%s", ctx);
+			kfree(ctx);
 		}
 
 		audit_log_end(ab);
 	}
+	if (call_panic)
+		audit_panic("error converting sid to string");
 }
 
 /**
  * audit_free - free a per-task audit context
  * @tsk: task whose audit context block to free
  *
- * Called from copy_process and __put_task_struct.
+ * Called from copy_process and do_exit
  */
 void audit_free(struct task_struct *tsk)
 {
 	struct audit_context *context;
 
-	task_lock(tsk);
 	context = audit_get_context(tsk, 0, 0);
-	task_unlock(tsk);
-
 	if (likely(!context))
 		return;
 
@@ -1084,8 +930,9 @@ void audit_free(struct task_struct *tsk)
 	 * function (e.g., exit_group), then free context block. 
 	 * We use GFP_ATOMIC here because we might be doing this 
 	 * in the context of the idle thread */
+	/* that can happen only if we are called from do_exit() */
 	if (context->in_syscall && context->auditable)
-		audit_log_exit(context, GFP_ATOMIC);
+		audit_log_exit(context, tsk);
 
 	audit_free_context(context);
 }
@@ -1108,10 +955,11 @@ void audit_free(struct task_struct *tsk)
  * will only be written if another part of the kernel requests that it
  * be written).
  */
-void audit_syscall_entry(struct task_struct *tsk, int arch, int major,
+void audit_syscall_entry(int arch, int major,
 			 unsigned long a1, unsigned long a2,
 			 unsigned long a3, unsigned long a4)
 {
+	struct task_struct *tsk = current;
 	struct audit_context *context = tsk->audit_context;
 	enum audit_state     state;
 
@@ -1126,7 +974,7 @@ void audit_syscall_entry(struct task_struct *tsk, int arch, int major,
 	 *
 	 * i386     no
 	 * x86_64   no
-	 * ppc64    yes (see arch/ppc64/kernel/misc.S)
+	 * ppc64    yes (see arch/powerpc/platforms/iseries/misc.S)
 	 *
 	 * This also happens with vm86 emulation in a non-nested manner
 	 * (entries without exits), so this case must be caught.
@@ -1189,22 +1037,18 @@ void audit_syscall_entry(struct task_struct *tsk, int arch, int major,
  * message), then write out the syscall information.  In call cases,
  * free the names stored from getname().
  */
-void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
+void audit_syscall_exit(int valid, long return_code)
 {
+	struct task_struct *tsk = current;
 	struct audit_context *context;
 
-	get_task_struct(tsk);
-	task_lock(tsk);
 	context = audit_get_context(tsk, valid, return_code);
-	task_unlock(tsk);
 
-	/* Not having a context here is ok, since the parent may have
-	 * called __put_task_struct. */
 	if (likely(!context))
-		goto out;
+		return;
 
 	if (context->in_syscall && context->auditable)
-		audit_log_exit(context, GFP_KERNEL);
+		audit_log_exit(context, tsk);
 
 	context->in_syscall = 0;
 	context->auditable  = 0;
@@ -1219,8 +1063,6 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
 		audit_free_aux(context);
 		tsk->audit_context = context;
 	}
- out:
-	put_task_struct(tsk);
 }
 
 /**
@@ -1230,11 +1072,11 @@ void audit_syscall_exit(struct task_struct *tsk, int valid, long return_code)
  * Add a name to the list of audit names for this context.
  * Called from fs/namei.c:getname().
  */
-void audit_getname(const char *name)
+void __audit_getname(const char *name)
 {
 	struct audit_context *context = current->audit_context;
 
-	if (!context || IS_ERR(name) || !name)
+	if (IS_ERR(name) || !name)
 		return;
 
 	if (!context->in_syscall) {
@@ -1247,6 +1089,8 @@ void audit_getname(const char *name)
 	}
 	BUG_ON(context->name_count >= AUDIT_NAMES);
 	context->names[context->name_count].name = name;
+	context->names[context->name_count].name_len = AUDIT_NAME_FULL;
+	context->names[context->name_count].name_put = 1;
 	context->names[context->name_count].ino  = (unsigned long)-1;
 	++context->name_count;
 	if (!context->pwd) {
@@ -1301,36 +1145,11 @@ void audit_putname(const char *name)
 #endif
 }
 
-void audit_inode_context(int idx, const struct inode *inode)
+static void audit_inode_context(int idx, const struct inode *inode)
 {
 	struct audit_context *context = current->audit_context;
-	char *ctx = NULL;
-	int len = 0;
-
-	if (!security_inode_xattr_getsuffix())
-		return;
-
-	len = security_inode_getsecurity(inode, (char *)security_inode_xattr_getsuffix(), NULL, 0, 0);
-	if (len < 0) 
-		goto error_path;
 
-	ctx = kmalloc(len, GFP_KERNEL);
-	if (!ctx) 
-		goto error_path;
-
-	len = security_inode_getsecurity(inode, (char *)security_inode_xattr_getsuffix(), ctx, len, 0);
-	if (len < 0)
-		goto error_path;
-
-	kfree(context->names[idx].ctx);
-	context->names[idx].ctx = ctx;
-	return;
-
-error_path:
-	if (ctx)
-		kfree(ctx);
-	audit_panic("error in audit_inode_context");
-	return;
+	selinux_get_inode_sid(inode, &context->names[idx].osid);
 }
 
 
@@ -1338,11 +1157,10 @@ error_path:
  * audit_inode - store the inode and device from a lookup
  * @name: name being audited
  * @inode: inode being audited
- * @flags: lookup flags (as used in path_lookup())
  *
  * Called from fs/namei.c:path_lookup().
  */
-void __audit_inode(const char *name, const struct inode *inode, unsigned flags)
+void __audit_inode(const char *name, const struct inode *inode)
 {
 	int idx;
 	struct audit_context *context = current->audit_context;
@@ -1368,20 +1186,13 @@ void __audit_inode(const char *name, const struct inode *inode, unsigned flags)
 		++context->ino_count;
 #endif
 	}
+	context->names[idx].ino   = inode->i_ino;
 	context->names[idx].dev	  = inode->i_sb->s_dev;
 	context->names[idx].mode  = inode->i_mode;
 	context->names[idx].uid   = inode->i_uid;
 	context->names[idx].gid   = inode->i_gid;
 	context->names[idx].rdev  = inode->i_rdev;
 	audit_inode_context(idx, inode);
-	if ((flags & LOOKUP_PARENT) && (strcmp(name, "/") != 0) && 
-	    (strcmp(name, ".") != 0)) {
-		context->names[idx].ino   = (unsigned long)-1;
-		context->names[idx].pino  = inode->i_ino;
-	} else {
-		context->names[idx].ino   = inode->i_ino;
-		context->names[idx].pino  = (unsigned long)-1;
-	}
 }
 
 /**
@@ -1403,51 +1214,40 @@ void __audit_inode_child(const char *dname, const struct inode *inode,
 {
 	int idx;
 	struct audit_context *context = current->audit_context;
+	const char *found_name = NULL;
+	int dirlen = 0;
 
 	if (!context->in_syscall)
 		return;
 
 	/* determine matching parent */
-	if (dname)
-		for (idx = 0; idx < context->name_count; idx++)
-			if (context->names[idx].pino == pino) {
-				const char *n;
-				const char *name = context->names[idx].name;
-				int dlen = strlen(dname);
-				int nlen = name ? strlen(name) : 0;
-
-				if (nlen < dlen)
-					continue;
-				
-				/* disregard trailing slashes */
-				n = name + nlen - 1;
-				while ((*n == '/') && (n > name))
-					n--;
-
-				/* find last path component */
-				n = n - dlen + 1;
-				if (n < name)
-					continue;
-				else if (n > name) {
-					if (*--n != '/')
-						continue;
-					else
-						n++;
-				}
-
-				if (strncmp(n, dname, dlen) == 0)
-					goto update_context;
+	if (!dname)
+		goto update_context;
+	for (idx = 0; idx < context->name_count; idx++)
+		if (context->names[idx].ino == pino) {
+			const char *name = context->names[idx].name;
+
+			if (!name)
+				continue;
+
+			if (audit_compare_dname_path(dname, name, &dirlen) == 0) {
+				context->names[idx].name_len = dirlen;
+				found_name = name;
+				break;
 			}
+		}
 
-	/* catch-all in case match not found */
+update_context:
 	idx = context->name_count++;
-	context->names[idx].name  = NULL;
-	context->names[idx].pino  = pino;
 #if AUDIT_DEBUG
 	context->ino_count++;
 #endif
+	/* Re-use the name belonging to the slot for a matching parent directory.
+	 * All names for this context are relinquished in audit_free_names() */
+	context->names[idx].name = found_name;
+	context->names[idx].name_len = AUDIT_NAME_FULL;
+	context->names[idx].name_put = 0;	/* don't call __putname() */
 
-update_context:
 	if (inode) {
 		context->names[idx].ino   = inode->i_ino;
 		context->names[idx].dev	  = inode->i_sb->s_dev;
@@ -1456,7 +1256,8 @@ update_context:
 		context->names[idx].gid   = inode->i_gid;
 		context->names[idx].rdev  = inode->i_rdev;
 		audit_inode_context(idx, inode);
-	}
+	} else
+		context->names[idx].ino   = (unsigned long)-1;
 }
 
 /**
@@ -1489,18 +1290,23 @@ void auditsc_get_stamp(struct audit_context *ctx,
  */
 int audit_set_loginuid(struct task_struct *task, uid_t loginuid)
 {
-	if (task->audit_context) {
-		struct audit_buffer *ab;
-
-		ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_LOGIN);
-		if (ab) {
-			audit_log_format(ab, "login pid=%d uid=%u "
-				"old auid=%u new auid=%u",
-				task->pid, task->uid, 
-				task->audit_context->loginuid, loginuid);
-			audit_log_end(ab);
+	struct audit_context *context = task->audit_context;
+
+	if (context) {
+		/* Only log if audit is enabled */
+		if (context->in_syscall) {
+			struct audit_buffer *ab;
+
+			ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_LOGIN);
+			if (ab) {
+				audit_log_format(ab, "login pid=%d uid=%u "
+					"old auid=%u new auid=%u",
+					task->pid, task->uid,
+					context->loginuid, loginuid);
+				audit_log_end(ab);
+			}
 		}
-		task->audit_context->loginuid = loginuid;
+		context->loginuid = loginuid;
 	}
 	return 0;
 }
@@ -1516,55 +1322,251 @@ uid_t audit_get_loginuid(struct audit_context *ctx)
 	return ctx ? ctx->loginuid : -1;
 }
 
-static char *audit_ipc_context(struct kern_ipc_perm *ipcp)
+/**
+ * __audit_mq_open - record audit data for a POSIX MQ open
+ * @oflag: open flag
+ * @mode: mode bits
+ * @u_attr: queue attributes
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
 {
+	struct audit_aux_data_mq_open *ax;
 	struct audit_context *context = current->audit_context;
-	char *ctx = NULL;
-	int len = 0;
+
+	if (!audit_enabled)
+		return 0;
 
 	if (likely(!context))
-		return NULL;
+		return 0;
 
-	len = security_ipc_getsecurity(ipcp, NULL, 0);
-	if (len == -EOPNOTSUPP)
-		goto ret;
-	if (len < 0)
-		goto error_path;
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
 
-	ctx = kmalloc(len, GFP_ATOMIC);
-	if (!ctx)
-		goto error_path;
+	if (u_attr != NULL) {
+		if (copy_from_user(&ax->attr, u_attr, sizeof(ax->attr))) {
+			kfree(ax);
+			return -EFAULT;
+		}
+	} else
+		memset(&ax->attr, 0, sizeof(ax->attr));
 
-	len = security_ipc_getsecurity(ipcp, ctx, len);
-	if (len < 0)
-		goto error_path;
+	ax->oflag = oflag;
+	ax->mode = mode;
+
+	ax->d.type = AUDIT_MQ_OPEN;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+/**
+ * __audit_mq_timedsend - record audit data for a POSIX MQ timed send
+ * @mqdes: MQ descriptor
+ * @msg_len: Message length
+ * @msg_prio: Message priority
+ * @abs_timeout: Message timeout in absolute time
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio,
+			const struct timespec __user *u_abs_timeout)
+{
+	struct audit_aux_data_mq_sendrecv *ax;
+	struct audit_context *context = current->audit_context;
 
-	return ctx;
+	if (!audit_enabled)
+		return 0;
 
-error_path:
-	kfree(ctx);
-	audit_panic("error in audit_ipc_context");
-ret:
-	return NULL;
+	if (likely(!context))
+		return 0;
+
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
+
+	if (u_abs_timeout != NULL) {
+		if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
+			kfree(ax);
+			return -EFAULT;
+		}
+	} else
+		memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
+
+	ax->mqdes = mqdes;
+	ax->msg_len = msg_len;
+	ax->msg_prio = msg_prio;
+
+	ax->d.type = AUDIT_MQ_SENDRECV;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+/**
+ * __audit_mq_timedreceive - record audit data for a POSIX MQ timed receive
+ * @mqdes: MQ descriptor
+ * @msg_len: Message length
+ * @msg_prio: Message priority
+ * @abs_timeout: Message timeout in absolute time
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len,
+				unsigned int __user *u_msg_prio,
+				const struct timespec __user *u_abs_timeout)
+{
+	struct audit_aux_data_mq_sendrecv *ax;
+	struct audit_context *context = current->audit_context;
+
+	if (!audit_enabled)
+		return 0;
+
+	if (likely(!context))
+		return 0;
+
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
+
+	if (u_msg_prio != NULL) {
+		if (get_user(ax->msg_prio, u_msg_prio)) {
+			kfree(ax);
+			return -EFAULT;
+		}
+	} else
+		ax->msg_prio = 0;
+
+	if (u_abs_timeout != NULL) {
+		if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) {
+			kfree(ax);
+			return -EFAULT;
+		}
+	} else
+		memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout));
+
+	ax->mqdes = mqdes;
+	ax->msg_len = msg_len;
+
+	ax->d.type = AUDIT_MQ_SENDRECV;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+/**
+ * __audit_mq_notify - record audit data for a POSIX MQ notify
+ * @mqdes: MQ descriptor
+ * @u_notification: Notification event
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+
+int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
+{
+	struct audit_aux_data_mq_notify *ax;
+	struct audit_context *context = current->audit_context;
+
+	if (!audit_enabled)
+		return 0;
+
+	if (likely(!context))
+		return 0;
+
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
+
+	if (u_notification != NULL) {
+		if (copy_from_user(&ax->notification, u_notification, sizeof(ax->notification))) {
+			kfree(ax);
+			return -EFAULT;
+		}
+	} else
+		memset(&ax->notification, 0, sizeof(ax->notification));
+
+	ax->mqdes = mqdes;
+
+	ax->d.type = AUDIT_MQ_NOTIFY;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+/**
+ * __audit_mq_getsetattr - record audit data for a POSIX MQ get/set attribute
+ * @mqdes: MQ descriptor
+ * @mqstat: MQ flags
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+	struct audit_aux_data_mq_getsetattr *ax;
+	struct audit_context *context = current->audit_context;
+
+	if (!audit_enabled)
+		return 0;
+
+	if (likely(!context))
+		return 0;
+
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
+
+	ax->mqdes = mqdes;
+	ax->mqstat = *mqstat;
+
+	ax->d.type = AUDIT_MQ_GETSETATTR;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+/**
+ * audit_ipc_obj - record audit data for ipc object
+ * @ipcp: ipc permissions
+ *
+ * Returns 0 for success or NULL context or < 0 on error.
+ */
+int __audit_ipc_obj(struct kern_ipc_perm *ipcp)
+{
+	struct audit_aux_data_ipcctl *ax;
+	struct audit_context *context = current->audit_context;
+
+	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
+	if (!ax)
+		return -ENOMEM;
+
+	ax->uid = ipcp->uid;
+	ax->gid = ipcp->gid;
+	ax->mode = ipcp->mode;
+	selinux_get_ipc_sid(ipcp, &ax->osid);
+
+	ax->d.type = AUDIT_IPC;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
 }
 
 /**
- * audit_ipc_perms - record audit data for ipc
+ * audit_ipc_set_perm - record audit data for new ipc permissions
  * @qbytes: msgq bytes
  * @uid: msgq user id
  * @gid: msgq group id
  * @mode: msgq mode (permissions)
+ * @ipcp: in-kernel IPC permissions
  *
  * Returns 0 for success or NULL context or < 0 on error.
  */
-int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp)
+int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
 {
 	struct audit_aux_data_ipcctl *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (likely(!context))
-		return 0;
-
 	ax = kmalloc(sizeof(*ax), GFP_ATOMIC);
 	if (!ax)
 		return -ENOMEM;
@@ -1573,14 +1575,46 @@ int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, str
 	ax->uid = uid;
 	ax->gid = gid;
 	ax->mode = mode;
-	ax->ctx = audit_ipc_context(ipcp);
 
-	ax->d.type = AUDIT_IPC;
+	ax->d.type = AUDIT_IPC_SET_PERM;
+	ax->d.next = context->aux;
+	context->aux = (void *)ax;
+	return 0;
+}
+
+int audit_bprm(struct linux_binprm *bprm)
+{
+	struct audit_aux_data_execve *ax;
+	struct audit_context *context = current->audit_context;
+	unsigned long p, next;
+	void *to;
+
+	if (likely(!audit_enabled || !context))
+		return 0;
+
+	ax = kmalloc(sizeof(*ax) + PAGE_SIZE * MAX_ARG_PAGES - bprm->p,
+				GFP_KERNEL);
+	if (!ax)
+		return -ENOMEM;
+
+	ax->argc = bprm->argc;
+	ax->envc = bprm->envc;
+	for (p = bprm->p, to = ax->mem; p < MAX_ARG_PAGES*PAGE_SIZE; p = next) {
+		struct page *page = bprm->page[p / PAGE_SIZE];
+		void *kaddr = kmap(page);
+		next = (p + PAGE_SIZE) & ~(PAGE_SIZE - 1);
+		memcpy(to, kaddr + (p & (PAGE_SIZE - 1)), next - p);
+		to += next - p;
+		kunmap(page);
+	}
+
+	ax->d.type = AUDIT_EXECVE;
 	ax->d.next = context->aux;
 	context->aux = (void *)ax;
 	return 0;
 }
 
+
 /**
  * audit_socketcall - record audit data for sys_socketcall
  * @nargs: number of args
@@ -1675,19 +1709,20 @@ int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt)
  * If the audit subsystem is being terminated, record the task (pid)
  * and uid that is doing that.
  */
-void audit_signal_info(int sig, struct task_struct *t)
+void __audit_signal_info(int sig, struct task_struct *t)
 {
 	extern pid_t audit_sig_pid;
 	extern uid_t audit_sig_uid;
-
-	if (unlikely(audit_pid && t->tgid == audit_pid)) {
-		if (sig == SIGTERM || sig == SIGHUP) {
-			struct audit_context *ctx = current->audit_context;
-			audit_sig_pid = current->pid;
-			if (ctx)
-				audit_sig_uid = ctx->loginuid;
-			else
-				audit_sig_uid = current->uid;
-		}
+	extern u32 audit_sig_sid;
+
+	if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
+		struct task_struct *tsk = current;
+		struct audit_context *ctx = tsk->audit_context;
+		audit_sig_pid = tsk->pid;
+		if (ctx)
+			audit_sig_uid = ctx->loginuid;
+		else
+			audit_sig_uid = tsk->uid;
+		selinux_get_task_sid(tsk, &audit_sig_sid);
 	}
 }