Merge branch 'audit.b21' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current

* 'audit.b21' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current: (25 commits)
  [PATCH] make set_loginuid obey audit_enabled
  [PATCH] log more info for directory entry change events
  [PATCH] fix AUDIT_FILTER_PREPEND handling
  [PATCH] validate rule fields' types
  [PATCH] audit: path-based rules
  [PATCH] Audit of POSIX Message Queue Syscalls v.2
  [PATCH] fix se_sen audit filter
  [PATCH] deprecate AUDIT_POSSBILE
  [PATCH] inline more audit helpers
  [PATCH] proc_loginuid_write() uses simple_strtoul() on non-terminated array
  [PATCH] update of IPC audit record cleanup
  [PATCH] minor audit updates
  [PATCH] fix audit_krule_to_{rule,data} return values
  [PATCH] add filtering by ppid
  [PATCH] log ppid
  [PATCH] collect sid of those who send signals to auditd
  [PATCH] execve argument logging
  [PATCH] fix deadlocks in AUDIT_LIST/AUDIT_LIST_RULES
  [PATCH] audit_panic() is audit-internal
  [PATCH] inotify (5/5): update kernel documentation
  ...

Manual fixup of conflict in unclude/linux/inotify.h

4 files changed, 209 insertions, 32 deletions

diff --git a/include/linux/audit.h b/include/linux/audit.h
index 14259f6db5bc..e051ff9c5b50 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -82,7 +82,12 @@
 #define AUDIT_CONFIG_CHANGE     1305    /* Audit system configuration change */
 #define AUDIT_SOCKADDR          1306    /* sockaddr copied as syscall arg */
 #define AUDIT_CWD               1307    /* Current working directory */
+#define AUDIT_EXECVE            1309    /* execve arguments */
 #define AUDIT_IPC_SET_PERM      1311    /* IPC new permissions record type */
+#define AUDIT_MQ_OPEN           1312    /* POSIX MQ open record type */
+#define AUDIT_MQ_SENDRECV       1313    /* POSIX MQ send/receive record type */
+#define AUDIT_MQ_NOTIFY         1314    /* POSIX MQ notify record type */
+#define AUDIT_MQ_GETSETATTR     1315    /* POSIX MQ get/set attribute record type */
 
 #define AUDIT_AVC               1400    /* SE Linux avc denial or grant */
 #define AUDIT_SELINUX_ERR       1401    /* Internal SE Linux Errors */
@@ -150,6 +155,7 @@
 #define AUDIT_SE_TYPE   15      /* security label type */
 #define AUDIT_SE_SEN    16      /* security label sensitivity label */
 #define AUDIT_SE_CLR    17      /* security label clearance label */
+#define AUDIT_PPID      18
 
                                 /* These are ONLY useful when checking
                                  * at syscall exit time (AUDIT_AT_EXIT). */
@@ -158,6 +164,7 @@
 #define AUDIT_INODE     102
 #define AUDIT_EXIT      103
 #define AUDIT_SUCCESS   104     /* exit >= 0; value ignored */
+#define AUDIT_WATCH     105
 
 #define AUDIT_ARG0      200
 #define AUDIT_ARG1      (AUDIT_ARG0+1)
@@ -277,12 +284,16 @@ struct audit_rule {		/* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
 struct audit_sig_info {
         uid_t           uid;
         pid_t           pid;
+        char            ctx[0];
 };
 
 struct audit_buffer;
 struct audit_context;
 struct inode;
 struct netlink_skb_parms;
+struct linux_binprm;
+struct mq_attr;
+struct mqstat;
 
 #define AUDITSC_INVALID 0
 #define AUDITSC_SUCCESS 1
@@ -297,15 +308,19 @@ extern void audit_syscall_entry(int arch,
                                 int major, unsigned long a0, unsigned long a1,
                                 unsigned long a2, unsigned long a3);
 extern void audit_syscall_exit(int failed, long return_code);
-extern void audit_getname(const char *name);
+extern void __audit_getname(const char *name);
 extern void audit_putname(const char *name);
-extern void __audit_inode(const char *name, const struct inode *inode, unsigned flags);
+extern void __audit_inode(const char *name, const struct inode *inode);
 extern void __audit_inode_child(const char *dname, const struct inode *inode,
                                 unsigned long pino);
-static inline void audit_inode(const char *name, const struct inode *inode,
-                               unsigned flags) {
+static inline void audit_getname(const char *name)
+{
         if (unlikely(current->audit_context))
-                __audit_inode(name, inode, flags);
+                __audit_getname(name);
+}
+static inline void audit_inode(const char *name, const struct inode *inode) {
+        if (unlikely(current->audit_context))
+                __audit_inode(name, inode);
 }
 static inline void audit_inode_child(const char *dname, 
                                      const struct inode *inode, 
@@ -320,13 +335,61 @@ extern void auditsc_get_stamp(struct audit_context *ctx,
                               struct timespec *t, unsigned int *serial);
 extern int  audit_set_loginuid(struct task_struct *task, uid_t loginuid);
 extern uid_t audit_get_loginuid(struct audit_context *ctx);
-extern int audit_ipc_obj(struct kern_ipc_perm *ipcp);
-extern int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp);
+extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
+extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
+extern int audit_bprm(struct linux_binprm *bprm);
 extern int audit_socketcall(int nargs, unsigned long *args);
 extern int audit_sockaddr(int len, void *addr);
 extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
-extern void audit_signal_info(int sig, struct task_struct *t);
 extern int audit_set_macxattr(const char *name);
+extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
+extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
+extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
+extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
+extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
+
+static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
+{
+        if (unlikely(current->audit_context))
+                return __audit_ipc_obj(ipcp);
+        return 0;
+}
+static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
+{
+        if (unlikely(current->audit_context))
+                return __audit_ipc_set_perm(qbytes, uid, gid, mode);
+        return 0;
+}
+static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
+{
+        if (unlikely(current->audit_context))
+                return __audit_mq_open(oflag, mode, u_attr);
+        return 0;
+}
+static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
+{
+        if (unlikely(current->audit_context))
+                return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
+        return 0;
+}
+static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
+{
+        if (unlikely(current->audit_context))
+                return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
+        return 0;
+}
+static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
+{
+        if (unlikely(current->audit_context))
+                return __audit_mq_notify(mqdes, u_notification);
+        return 0;
+}
+static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+        if (unlikely(current->audit_context))
+                return __audit_mq_getsetattr(mqdes, mqstat);
+        return 0;
+}
 #else
 #define audit_alloc(t) ({ 0; })
 #define audit_free(t) do { ; } while (0)
@@ -334,19 +397,24 @@ extern int audit_set_macxattr(const char *name);
 #define audit_syscall_exit(f,r) do { ; } while (0)
 #define audit_getname(n) do { ; } while (0)
 #define audit_putname(n) do { ; } while (0)
-#define __audit_inode(n,i,f) do { ; } while (0)
+#define __audit_inode(n,i) do { ; } while (0)
 #define __audit_inode_child(d,i,p) do { ; } while (0)
-#define audit_inode(n,i,f) do { ; } while (0)
+#define audit_inode(n,i) do { ; } while (0)
 #define audit_inode_child(d,i,p) do { ; } while (0)
 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
 #define audit_get_loginuid(c) ({ -1; })
 #define audit_ipc_obj(i) ({ 0; })
-#define audit_ipc_set_perm(q,u,g,m,i) ({ 0; })
+#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
+#define audit_bprm(p) ({ 0; })
 #define audit_socketcall(n,a) ({ 0; })
 #define audit_sockaddr(len, addr) ({ 0; })
 #define audit_avc_path(dentry, mnt) ({ 0; })
-#define audit_signal_info(s,t) do { ; } while (0)
 #define audit_set_macxattr(n) do { ; } while (0)
+#define audit_mq_open(o,m,a) ({ 0; })
+#define audit_mq_timedsend(d,l,p,t) ({ 0; })
+#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
+#define audit_mq_notify(d,n) ({ 0; })
+#define audit_mq_getsetattr(d,s) ({ 0; })
 #endif
 
 #ifdef CONFIG_AUDIT
@@ -364,8 +432,11 @@ extern void		    audit_log_end(struct audit_buffer *ab);
 extern void                 audit_log_hex(struct audit_buffer *ab,
                                           const unsigned char *buf,
                                           size_t len);
-extern void                 audit_log_untrustedstring(struct audit_buffer *ab,
+extern const char *         audit_log_untrustedstring(struct audit_buffer *ab,
                                                       const char *string);
+extern const char *         audit_log_n_untrustedstring(struct audit_buffer *ab,
+                                                        size_t n,
+                                                        const char *string);
 extern void                 audit_log_d_path(struct audit_buffer *ab,
                                              const char *prefix,
                                              struct dentry *dentry,
@@ -383,8 +454,8 @@ extern int  audit_receive_filter(int type, int pid, int uid, int seq,
 #define audit_log_end(b) do { ; } while (0)
 #define audit_log_hex(a,b,l) do { ; } while (0)
 #define audit_log_untrustedstring(a,s) do { ; } while (0)
+#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
 #define audit_log_d_path(b,p,d,v) do { ; } while (0)
-#define audit_panic(m) do { ; } while (0)
 #endif
 #endif
 #endif
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 11438eff4d44..cc5dec70c32c 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -54,19 +54,20 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
 
         if (isdir)
                 isdir = IN_ISDIR;
-        inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name);
-        inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name);
+        inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name,
+                                  source);
+        inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name,
+                                  source);
 
         if (target) {
-                inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL);
+                inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
                 inotify_inode_is_dead(target);
         }
 
         if (source) {
-                inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL);
+                inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
         }
-        audit_inode_child(old_name, source, old_dir->i_ino);
-        audit_inode_child(new_name, target, new_dir->i_ino);
+        audit_inode_child(new_name, source, new_dir->i_ino);
 }
 
 /*
@@ -85,7 +86,7 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
  */
 static inline void fsnotify_inoderemove(struct inode *inode)
 {
-        inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL);
+        inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
         inotify_inode_is_dead(inode);
 }
 
@@ -95,7 +96,8 @@ static inline void fsnotify_inoderemove(struct inode *inode)
 static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
 {
         inode_dir_notify(inode, DN_CREATE);
-        inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name);
+        inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
+                                  dentry->d_inode);
         audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino);
 }
 
@@ -106,7 +108,7 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
 {
         inode_dir_notify(inode, DN_CREATE);
         inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0, 
-                                  dentry->d_name.name);
+                                  dentry->d_name.name, dentry->d_inode);
         audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino);
 }
 
@@ -123,7 +125,7 @@ static inline void fsnotify_access(struct dentry *dentry)
 
         dnotify_parent(dentry, DN_ACCESS);
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -139,7 +141,7 @@ static inline void fsnotify_modify(struct dentry *dentry)
 
         dnotify_parent(dentry, DN_MODIFY);
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -154,7 +156,7 @@ static inline void fsnotify_open(struct dentry *dentry)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);        
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -172,7 +174,7 @@ static inline void fsnotify_close(struct file *file)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -187,7 +189,7 @@ static inline void fsnotify_xattr(struct dentry *dentry)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -234,7 +236,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
         if (in_mask) {
                 if (S_ISDIR(inode->i_mode))
                         in_mask |= IN_ISDIR;
-                inotify_inode_queue_event(inode, in_mask, 0, NULL);
+                inotify_inode_queue_event(inode, in_mask, 0, NULL, NULL);
                 inotify_dentry_parent_queue_event(dentry, in_mask, 0,
                                                   dentry->d_name.name);
         }
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index 71aa1553ef38..d4f48c6402e6 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -68,18 +68,65 @@ struct inotify_event {
 #include <linux/dcache.h>
 #include <linux/fs.h>
 
+/*
+ * struct inotify_watch - represents a watch request on a specific inode
+ *
+ * h_list is protected by ih->mutex of the associated inotify_handle.
+ * i_list, mask are protected by inode->inotify_mutex of the associated inode.
+ * ih, inode, and wd are never written to once the watch is created.
+ *
+ * Callers must use the established inotify interfaces to access inotify_watch
+ * contents.  The content of this structure is private to the inotify
+ * implementation.
+ */
+struct inotify_watch {
+        struct list_head        h_list; /* entry in inotify_handle's list */
+        struct list_head        i_list; /* entry in inode's list */
+        atomic_t                count;  /* reference count */
+        struct inotify_handle   *ih;    /* associated inotify handle */
+        struct inode            *inode; /* associated inode */
+        __s32                   wd;     /* watch descriptor */
+        __u32                   mask;   /* event mask for this watch */
+};
+
+struct inotify_operations {
+        void (*handle_event)(struct inotify_watch *, u32, u32, u32,
+                             const char *, struct inode *);
+        void (*destroy_watch)(struct inotify_watch *);
+};
+
 #ifdef CONFIG_INOTIFY
 
+/* Kernel API for producing events */
+
 extern void inotify_d_instantiate(struct dentry *, struct inode *);
 extern void inotify_d_move(struct dentry *);
 extern void inotify_inode_queue_event(struct inode *, __u32, __u32,
-                                      const char *);
+                                      const char *, struct inode *);
 extern void inotify_dentry_parent_queue_event(struct dentry *, __u32, __u32,
                                               const char *);
 extern void inotify_unmount_inodes(struct list_head *);
 extern void inotify_inode_is_dead(struct inode *);
 extern u32 inotify_get_cookie(void);
 
+/* Kernel Consumer API */
+
+extern struct inotify_handle *inotify_init(const struct inotify_operations *);
+extern void inotify_init_watch(struct inotify_watch *);
+extern void inotify_destroy(struct inotify_handle *);
+extern __s32 inotify_find_watch(struct inotify_handle *, struct inode *,
+                                struct inotify_watch **);
+extern __s32 inotify_find_update_watch(struct inotify_handle *, struct inode *,
+                                       u32);
+extern __s32 inotify_add_watch(struct inotify_handle *, struct inotify_watch *,
+                               struct inode *, __u32);
+extern int inotify_rm_watch(struct inotify_handle *, struct inotify_watch *);
+extern int inotify_rm_wd(struct inotify_handle *, __u32);
+extern void inotify_remove_watch_locked(struct inotify_handle *,
+                                        struct inotify_watch *);
+extern void get_inotify_watch(struct inotify_watch *);
+extern void put_inotify_watch(struct inotify_watch *);
+
 #else
 
 static inline void inotify_d_instantiate(struct dentry *dentry,
@@ -93,7 +140,8 @@ static inline void inotify_d_move(struct dentry *dentry)
 
 static inline void inotify_inode_queue_event(struct inode *inode,
                                              __u32 mask, __u32 cookie,
-                                             const char *filename)
+                                             const char *filename,
+                                             struct inode *n_inode)
 {
 }
 
@@ -116,6 +164,62 @@ static inline u32 inotify_get_cookie(void)
         return 0;
 }
 
+static inline struct inotify_handle *inotify_init(const struct inotify_operations *ops)
+{
+        return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void inotify_init_watch(struct inotify_watch *watch)
+{
+}
+
+static inline void inotify_destroy(struct inotify_handle *ih)
+{
+}
+
+static inline __s32 inotify_find_watch(struct inotify_handle *ih, struct inode *inode,
+                                       struct inotify_watch **watchp)
+{
+        return -EOPNOTSUPP;
+}
+
+static inline __s32 inotify_find_update_watch(struct inotify_handle *ih,
+                                              struct inode *inode, u32 mask)
+{
+        return -EOPNOTSUPP;
+}
+
+static inline __s32 inotify_add_watch(struct inotify_handle *ih,
+                                      struct inotify_watch *watch,
+                                      struct inode *inode, __u32 mask)
+{
+        return -EOPNOTSUPP;
+}
+
+static inline int inotify_rm_watch(struct inotify_handle *ih,
+                                   struct inotify_watch *watch)
+{
+        return -EOPNOTSUPP;
+}
+
+static inline int inotify_rm_wd(struct inotify_handle *ih, __u32 wd)
+{
+        return -EOPNOTSUPP;
+}
+
+static inline void inotify_remove_watch_locked(struct inotify_handle *ih,
+                                               struct inotify_watch *watch)
+{
+}
+
+static inline void get_inotify_watch(struct inotify_watch *watch)
+{
+}
+
+static inline void put_inotify_watch(struct inotify_watch *watch)
+{
+}
+
 #endif  /* CONFIG_INOTIFY */
 
 #endif  /* __KERNEL __ */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 701b8cbceb05..267f15257040 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -494,7 +494,7 @@ struct user_struct {
         atomic_t processes;     /* How many processes does this user have? */
         atomic_t files;         /* How many open files does this user have? */
         atomic_t sigpending;    /* How many pending signals does this user have? */
-#ifdef CONFIG_INOTIFY
+#ifdef CONFIG_INOTIFY_USER
         atomic_t inotify_watches; /* How many inotify watches does this user have? */
         atomic_t inotify_devs;  /* How many inotify devs does this user have opened? */
 #endif