X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=kernel%2Fauditsc.c;h=8fab061dfc39a4f41c0825f52a73692b3c37629b;hb=7172c64a7cee4dfa95864f49c914f7ea8cf497c8;hp=1c03a4ed1b27fb8b6f4276b3305ed10907f8f4c3;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 1c03a4ed1..8fab061df 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.
  *
@@ -49,6 +52,7 @@
 #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>
@@ -59,6 +63,8 @@
 #include <linux/list.h>
 #include <linux/tty.h>
 #include <linux/selinux.h>
+#include <linux/binfmts.h>
+#include <linux/syscalls.h>
 
 #include "audit.h"
 
@@ -76,6 +82,12 @@ extern int audit_enabled;
  * path_lookup. */
 #define AUDIT_NAMES_RESERVED 7
 
+/* Indicates that audit should log the full pathname. */
+#define AUDIT_NAME_FULL -1
+
+/* number of audit rules */
+int audit_n_rules;
+
 /* 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
  * pointers at syscall exit time).
@@ -83,8 +95,9 @@ extern int audit_enabled;
  * 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;
@@ -100,6 +113,33 @@ 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;
@@ -110,6 +150,13 @@ struct audit_aux_data_ipcctl {
 	u32			osid;
 };
 
+struct audit_aux_data_execve {
+	struct audit_aux_data	d;
+	int argc;
+	int envc;
+	char mem[0];
+};
+
 struct audit_aux_data_socketcall {
 	struct audit_aux_data	d;
 	int			nargs;
@@ -130,6 +177,7 @@ struct audit_aux_data_path {
 
 /* The per-task audit context. */
 struct audit_context {
+	int		    dummy;	/* must be the first element */
 	int		    in_syscall;	/* 1 if task is in a syscall */
 	enum audit_state    state;
 	unsigned int	    serial;     /* serial number for record */
@@ -142,13 +190,14 @@ struct audit_context {
 	int		    auditable;  /* 1 if record should be written */
 	int		    name_count;
 	struct audit_names  names[AUDIT_NAMES];
+	char *		    filterkey;	/* key for rule that triggered record */
 	struct dentry *	    pwd;
 	struct vfsmount *   pwdmnt;
 	struct audit_context *previous; /* For nested syscalls */
 	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;
@@ -160,12 +209,61 @@ struct audit_context {
 #endif
 };
 
+#define ACC_MODE(x) ("\004\002\006\006"[(x)&O_ACCMODE])
+static inline int open_arg(int flags, int mask)
+{
+	int n = ACC_MODE(flags);
+	if (flags & (O_TRUNC | O_CREAT))
+		n |= AUDIT_PERM_WRITE;
+	return n & mask;
+}
+
+static int audit_match_perm(struct audit_context *ctx, int mask)
+{
+	unsigned n = ctx->major;
+	switch (audit_classify_syscall(ctx->arch, n)) {
+	case 0:	/* native */
+		if ((mask & AUDIT_PERM_WRITE) &&
+		     audit_match_class(AUDIT_CLASS_WRITE, n))
+			return 1;
+		if ((mask & AUDIT_PERM_READ) &&
+		     audit_match_class(AUDIT_CLASS_READ, n))
+			return 1;
+		if ((mask & AUDIT_PERM_ATTR) &&
+		     audit_match_class(AUDIT_CLASS_CHATTR, n))
+			return 1;
+		return 0;
+	case 1: /* 32bit on biarch */
+		if ((mask & AUDIT_PERM_WRITE) &&
+		     audit_match_class(AUDIT_CLASS_WRITE_32, n))
+			return 1;
+		if ((mask & AUDIT_PERM_READ) &&
+		     audit_match_class(AUDIT_CLASS_READ_32, n))
+			return 1;
+		if ((mask & AUDIT_PERM_ATTR) &&
+		     audit_match_class(AUDIT_CLASS_CHATTR_32, n))
+			return 1;
+		return 0;
+	case 2: /* open */
+		return mask & ACC_MODE(ctx->argv[1]);
+	case 3: /* openat */
+		return mask & ACC_MODE(ctx->argv[2]);
+	case 4: /* socketcall */
+		return ((mask & AUDIT_PERM_WRITE) && ctx->argv[0] == SYS_BIND);
+	case 5: /* execve */
+		return mask & AUDIT_PERM_EXEC;
+	default:
+		return 0;
+	}
+}
 
+/* 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_krule *rule,
 			      struct audit_context *ctx,
+			      struct audit_names *name,
 			      enum audit_state *state)
 {
 	int i, j, need_sid = 1;
@@ -179,6 +277,10 @@ static int audit_filter_rules(struct task_struct *tsk,
 		case AUDIT_PID:
 			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, f->op, f->val);
 			break;
@@ -224,7 +326,10 @@ static int audit_filter_rules(struct task_struct *tsk,
 			}
 			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),	f->op, f->val)) {
 						++result;
@@ -234,7 +339,10 @@ 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), f->op, f->val)) {
 						++result;
@@ -244,26 +352,32 @@ 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, f->op, f->val) ||
-					    audit_comparator(ctx->names[j].pino, f->op, f->val)) {
+					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, 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:
+		case AUDIT_SUBJ_USER:
+		case AUDIT_SUBJ_ROLE:
+		case AUDIT_SUBJ_TYPE:
+		case AUDIT_SUBJ_SEN:
+		case AUDIT_SUBJ_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
@@ -280,6 +394,46 @@ static int audit_filter_rules(struct task_struct *tsk,
 				                                  ctx);
 			}
 			break;
+		case AUDIT_OBJ_USER:
+		case AUDIT_OBJ_ROLE:
+		case AUDIT_OBJ_TYPE:
+		case AUDIT_OBJ_LEV_LOW:
+		case AUDIT_OBJ_LEV_HIGH:
+			/* The above note for AUDIT_SUBJ_USER...AUDIT_SUBJ_CLR
+			   also applies here */
+			if (f->se_rule) {
+				/* Find files that match */
+				if (name) {
+					result = selinux_audit_rule_match(
+					           name->osid, f->type, f->op,
+					           f->se_rule, ctx);
+				} else if (ctx) {
+					for (j = 0; j < ctx->name_count; j++) {
+						if (selinux_audit_rule_match(
+						      ctx->names[j].osid,
+						      f->type, f->op,
+						      f->se_rule, ctx)) {
+							++result;
+							break;
+						}
+					}
+				}
+				/* Find ipc objects that match */
+				if (ctx) {
+					struct audit_aux_data *aux;
+					for (aux = ctx->aux; aux;
+					     aux = aux->next) {
+						if (aux->type == AUDIT_IPC) {
+							struct audit_aux_data_ipcctl *axi = (void *)aux;
+							if (selinux_audit_rule_match(axi->osid, f->type, f->op, f->se_rule, ctx)) {
+								++result;
+								break;
+							}
+						}
+					}
+				}
+			}
+			break;
 		case AUDIT_ARG0:
 		case AUDIT_ARG1:
 		case AUDIT_ARG2:
@@ -287,14 +441,22 @@ static int audit_filter_rules(struct task_struct *tsk,
 			if (ctx)
 				result = audit_comparator(ctx->argv[f->type-AUDIT_ARG0], f->op, f->val);
 			break;
+		case AUDIT_FILTERKEY:
+			/* ignore this field for filtering */
+			result = 1;
+			break;
+		case AUDIT_PERM:
+			result = audit_match_perm(ctx, f->val);
+			break;
 		}
 
 		if (!result)
 			return 0;
 	}
+	if (rule->filterkey)
+		ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
 	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;
@@ -311,7 +473,7 @@ 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;
 		}
@@ -341,8 +503,9 @@ 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;
 			}
@@ -352,6 +515,49 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
 	return AUDIT_BUILD_CONTEXT;
 }
 
+/* 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;
+	struct audit_entry *e;
+	enum audit_state state;
+
+	if (audit_pid && tsk->tgid == audit_pid)
+		return AUDIT_DISABLED;
+
+	rcu_read_lock();
+	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];
+
+		if (list_empty(list))
+			continue;
+
+		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;
+			}
+		}
+	}
+	rcu_read_unlock();
+	return AUDIT_BUILD_CONTEXT;
+}
+
+void audit_set_auditable(struct audit_context *ctx)
+{
+	ctx->auditable = 1;
+}
+
 static inline struct audit_context *audit_get_context(struct task_struct *tsk,
 						      int return_valid,
 						      int return_code)
@@ -363,23 +569,23 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk,
 	context->return_valid = return_valid;
 	context->return_code  = return_code;
 
-	if (context->in_syscall && !context->auditable) {
+	if (context->in_syscall && !context->dummy && !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;
+
 	}
 
-	context->pid = tsk->pid;
-	context->uid = tsk->uid;
-	context->gid = tsk->gid;
-	context->euid = tsk->euid;
-	context->suid = tsk->suid;
-	context->fsuid = tsk->fsuid;
-	context->egid = tsk->egid;
-	context->sgid = tsk->sgid;
-	context->fsgid = tsk->fsgid;
-	context->personality = tsk->personality;
+get_context:
+
 	tsk->audit_context = NULL;
 	return context;
 }
@@ -413,7 +619,7 @@ static inline void audit_free_names(struct audit_context *context)
 #endif
 
 	for (i = 0; i < context->name_count; i++) {
-		if (context->names[i].name)
+		if (context->names[i].name && context->names[i].name_put)
 			__putname(context->names[i].name);
 	}
 	context->name_count = 0;
@@ -513,6 +719,7 @@ static inline void audit_free_context(struct audit_context *context)
 		}
 		audit_free_names(context);
 		audit_free_aux(context);
+		kfree(context->filterkey);
 		kfree(context);
 		context  = previous;
 	} while (context);
@@ -544,8 +751,7 @@ static void audit_log_task_context(struct audit_buffer *ab)
 	return;
 
 error_path:
-	if (ctx)
-		kfree(ctx);
+	kfree(ctx);
 	audit_panic("error in audit_log_task_context");
 	return;
 }
@@ -588,6 +794,17 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 	const char *tty;
 
 	/* tsk == current */
+	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;
+	context->suid = tsk->suid;
+	context->fsuid = tsk->fsuid;
+	context->egid = tsk->egid;
+	context->sgid = tsk->sgid;
+	context->fsgid = tsk->fsgid;
+	context->personality = tsk->personality;
 
 	ab = audit_log_start(context, GFP_KERNEL, AUDIT_SYSCALL);
 	if (!ab)
@@ -600,13 +817,17 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 		audit_log_format(ab, " success=%s exit=%ld", 
 				 (context->return_valid==AUDITSC_SUCCESS)?"yes":"no",
 				 context->return_code);
+
+	mutex_lock(&tty_mutex);
+	read_lock(&tasklist_lock);
 	if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
 		tty = tsk->signal->tty->name;
 	else
 		tty = "(none)";
+	read_unlock(&tasklist_lock);
 	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 tty=%s",
 		  context->argv[0],
@@ -614,13 +835,22 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 		  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, tty);
+
+	mutex_unlock(&tty_mutex);
+
 	audit_log_task_info(ab, tsk);
+	if (context->filterkey) {
+		audit_log_format(ab, " key=");
+		audit_log_untrustedstring(ab, context->filterkey);
+	} else
+		audit_log_format(ab, " key=(null)");
 	audit_log_end(ab);
 
 	for (aux = context->aux; aux; aux = aux->next) {
@@ -630,11 +860,48 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 			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",
-				 axi->qbytes, axi->uid, axi->gid, axi->mode);
+				 "ouid=%u ogid=%u mode=%x",
+				 axi->uid, axi->gid, axi->mode);
 			if (axi->osid != 0) {
 				char *ctx = NULL;
 				u32 len;
@@ -652,19 +919,18 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 		case AUDIT_IPC_SET_PERM: {
 			struct audit_aux_data_ipcctl *axi = (void *)aux;
 			audit_log_format(ab,
-				" new qbytes=%lx new iuid=%u new igid=%u new mode=%x",
+				"qbytes=%lx ouid=%u ogid=%u mode=%x",
 				axi->qbytes, 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_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; }
 
@@ -700,8 +966,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 		}
 	}
 	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_KERNEL, AUDIT_PATH);
 		if (!ab)
@@ -709,33 +974,47 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
 
 		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].osid != 0) {
+		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(
-				context->names[i].osid, &ctx, &len)) {
-				audit_log_format(ab, " osid=%u",
-						context->names[i].osid);
+				n->osid, &ctx, &len)) {
+				audit_log_format(ab, " osid=%u", n->osid);
 				call_panic = 2;
 			} else
 				audit_log_format(ab, " obj=%s", ctx);
@@ -850,7 +1129,8 @@ void audit_syscall_entry(int arch, int major,
 	context->argv[3]    = a4;
 
 	state = context->state;
-	if (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT)
+	context->dummy = !audit_n_rules;
+	if (!context->dummy && (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT))
 		state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_ENTRY]);
 	if (likely(state == AUDIT_DISABLED))
 		return;
@@ -897,6 +1177,8 @@ void audit_syscall_exit(int valid, long return_code)
 	} else {
 		audit_free_names(context);
 		audit_free_aux(context);
+		kfree(context->filterkey);
+		context->filterkey = NULL;
 		tsk->audit_context = context;
 	}
 }
@@ -908,11 +1190,11 @@ void audit_syscall_exit(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) {
@@ -925,6 +1207,8 @@ 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) {
@@ -979,23 +1263,26 @@ void audit_putname(const char *name)
 #endif
 }
 
-static void audit_inode_context(int idx, const struct inode *inode)
+/* Copy inode data into an audit_names. */
+static void audit_copy_inode(struct audit_names *name, const struct inode *inode)
 {
-	struct audit_context *context = current->audit_context;
-
-	selinux_get_inode_sid(inode, &context->names[idx].osid);
+	name->ino   = inode->i_ino;
+	name->dev   = inode->i_sb->s_dev;
+	name->mode  = inode->i_mode;
+	name->uid   = inode->i_uid;
+	name->gid   = inode->i_gid;
+	name->rdev  = inode->i_rdev;
+	selinux_get_inode_sid(inode, &name->osid);
 }
 
-
 /**
  * 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;
@@ -1015,33 +1302,28 @@ void __audit_inode(const char *name, const struct inode *inode, unsigned flags)
 		 * associated name? */
 		if (context->name_count >= AUDIT_NAMES - AUDIT_NAMES_RESERVED)
 			return;
-		idx = context->name_count++;
+		idx = context->name_count;
+		if (context->name_count == (AUDIT_NAMES - 1)) {
+			printk(KERN_DEBUG
+				"name_count maxed and losing entry [%d]=%s\n",
+				context->name_count, 
+				context->names[context->name_count].name ?:
+				"(null)");
+		} else
+			context->name_count++;
 		context->names[idx].name = NULL;
 #if AUDIT_DEBUG
 		++context->ino_count;
 #endif
 	}
-	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;
-	}
+	audit_copy_inode(&context->names[idx], inode);
 }
 
 /**
  * audit_inode_child - collect inode info for created/removed objects
  * @dname: inode's dentry name
  * @inode: inode being audited
- * @pino: inode number of dentry parent
+ * @parent: inode of dentry parent
  *
  * For syscalls that create or remove filesystem objects, audit_inode
  * can only collect information for the filesystem object's parent.
@@ -1052,66 +1334,103 @@ void __audit_inode(const char *name, const struct inode *inode, unsigned flags)
  * unsuccessful attempts.
  */
 void __audit_inode_child(const char *dname, const struct inode *inode,
-			 unsigned long pino)
+			 const struct inode *parent)
 {
 	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 == parent->i_ino) {
+			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 */
-	idx = context->name_count++;
-	context->names[idx].name  = NULL;
-	context->names[idx].pino  = pino;
+update_context:
+	idx = context->name_count;
+	if (context->name_count == (AUDIT_NAMES - 1)) {
+		printk(KERN_DEBUG "name_count maxed and losing entry [%d]=%s\n",
+			context->name_count, 
+			context->names[context->name_count].name ?: "(null)");
+	} else
+		context->name_count++;
 #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() */
+
+	if (!inode)
+		context->names[idx].ino = (unsigned long)-1;
+	else
+		audit_copy_inode(&context->names[idx], inode);
+
+	/* A parent was not found in audit_names, so copy the inode data for the
+	 * provided parent. */
+	if (!found_name) {
+		idx = context->name_count;
+		if (context->name_count == (AUDIT_NAMES - 1)) {
+			printk(KERN_DEBUG 
+				"name_count maxed and losing entry [%d]=%s\n",
+				context->name_count, 
+				context->names[context->name_count].name ?:
+				"(null)");
+		} else
+			context->name_count++;
+#if AUDIT_DEBUG
+		context->ino_count++;
+#endif
+		audit_copy_inode(&context->names[idx], parent);
+	}
+}
 
-update_context:
-	if (inode) {
-		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);
+/**
+ * audit_inode_update - update inode info for last collected name
+ * @inode: inode being audited
+ *
+ * When open() is called on an existing object with the O_CREAT flag, the inode
+ * data audit initially collects is incorrect.  This additional hook ensures
+ * audit has the inode data for the actual object to be opened.
+ */
+void __audit_inode_update(const struct inode *inode)
+{
+	struct audit_context *context = current->audit_context;
+	int idx;
+
+	if (!context->in_syscall || !inode)
+		return;
+
+	if (context->name_count == 0) {
+		context->name_count++;
+#if AUDIT_DEBUG
+		context->ino_count++;
+#endif
 	}
+	idx = context->name_count - 1;
+
+	audit_copy_inode(&context->names[idx], inode);
 }
 
+EXPORT_SYMBOL_GPL(__audit_inode_child);
+
 /**
  * auditsc_get_stamp - get local copies of audit_context values
  * @ctx: audit_context for the task
@@ -1142,18 +1461,23 @@ 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;
 }
@@ -1170,19 +1494,220 @@ uid_t audit_get_loginuid(struct audit_context *ctx)
 }
 
 /**
- * audit_ipc_obj - record audit data for ipc object
- * @ipcp: ipc permissions
+ * __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_ipc_obj(struct kern_ipc_perm *ipcp)
+int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
 {
-	struct audit_aux_data_ipcctl *ax;
+	struct audit_aux_data_mq_open *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_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));
+
+	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
+ * @u_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;
+
+	if (!audit_enabled)
+		return 0;
+
+	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
+ * @u_msg_prio: Message priority
+ * @u_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;
@@ -1207,14 +1732,11 @@ int audit_ipc_obj(struct kern_ipc_perm *ipcp)
  *
  * Returns 0 for success or NULL context or < 0 on error.
  */
-int audit_ipc_set_perm(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;
@@ -1223,7 +1745,6 @@ int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode,
 	ax->uid = uid;
 	ax->gid = gid;
 	ax->mode = mode;
-	selinux_get_ipc_sid(ipcp, &ax->osid);
 
 	ax->d.type = AUDIT_IPC_SET_PERM;
 	ax->d.next = context->aux;
@@ -1231,6 +1752,39 @@ int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode,
 	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 || context->dummy))
+		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
@@ -1243,7 +1797,7 @@ int audit_socketcall(int nargs, unsigned long *args)
 	struct audit_aux_data_socketcall *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (likely(!context))
+	if (likely(!context || context->dummy))
 		return 0;
 
 	ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL);
@@ -1271,7 +1825,7 @@ int audit_sockaddr(int len, void *a)
 	struct audit_aux_data_sockaddr *ax;
 	struct audit_context *context = current->audit_context;
 
-	if (likely(!context))
+	if (likely(!context || context->dummy))
 		return 0;
 
 	ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL);
@@ -1325,19 +1879,20 @@ 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);
 	}
 }