Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 517 insertions, 132 deletions

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 1c03a4ed1b27..9ebd96fda295 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 +82,9 @@ extern int audit_enabled;
  * path_lookup. */
 #define AUDIT_NAMES_RESERVED 7
 
+/* 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
  * pointers at syscall exit time).
@@ -83,8 +92,9 @@ 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 +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;
@@ -110,6 +147,13 @@ 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;
@@ -148,7 +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;
@@ -160,12 +204,13 @@ struct audit_context {
 #endif
 };
 
-
+/* 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 +224,10 @@ 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 +273,10 @@ 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 +286,10 @@ 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;
@@ -244,16 +299,22 @@ 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)
@@ -294,7 +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;
@@ -311,7 +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;
                 }
@@ -341,8 +401,47 @@ 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;
+                        }
+                }
+        }
+        rcu_read_unlock();
+        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;
                         }
@@ -352,6 +451,11 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk,
         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)
@@ -365,12 +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;
@@ -413,7 +527,7 @@ 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;
@@ -606,7 +720,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
                 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 tty=%s",
                   context->argv[0],
@@ -614,6 +728,7 @@ 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,
@@ -630,11 +745,48 @@ 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 +804,18 @@ 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 +851,7 @@ 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 +859,47 @@ 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);
@@ -908,11 +1072,11 @@ 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 +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) {
@@ -991,11 +1157,10 @@ static void audit_inode_context(int idx, const struct inode *inode)
  * 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;
@@ -1021,20 +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;
-        }
 }
 
 /**
@@ -1056,51 +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;
@@ -1109,7 +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;
 }
 
 /**
@@ -1142,18 +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;
 }
@@ -1170,16 +1323,193 @@ 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
+ * @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
+ * @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;
 
@@ -1187,6 +1517,30 @@ int audit_ipc_obj(struct kern_ipc_perm *ipcp)
         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;
@@ -1204,17 +1558,15 @@ int audit_ipc_obj(struct kern_ipc_perm *ipcp)
  * @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_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 +1575,6 @@ 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 +1582,39 @@ 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))
+                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
@@ -1325,19 +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);
         }
 }