Merge branch 'next' of git://selinuxproject.org/~jmorris/linux-security

* 'next' of git://selinuxproject.org/~jmorris/linux-security: (95 commits)
  TOMOYO: Fix incomplete read after seek.
  Smack: allow to access /smack/access as normal user
  TOMOYO: Fix unused kernel config option.
  Smack: fix: invalid length set for the result of /smack/access
  Smack: compilation fix
  Smack: fix for /smack/access output, use string instead of byte
  Smack: domain transition protections (v3)
  Smack: Provide information for UDS getsockopt(SO_PEERCRED)
  Smack: Clean up comments
  Smack: Repair processing of fcntl
  Smack: Rule list lookup performance
  Smack: check permissions from user space (v2)
  TOMOYO: Fix quota and garbage collector.
  TOMOYO: Remove redundant tasklist_lock.
  TOMOYO: Fix domain transition failure warning.
  TOMOYO: Remove tomoyo_policy_memory_lock spinlock.
  TOMOYO: Simplify garbage collector.
  TOMOYO: Fix make namespacecheck warnings.
  target: check hex2bin result
  encrypted-keys: check hex2bin result
  ...

17 files changed, 2128 insertions, 454 deletions

diff --git a/security/tomoyo/Kconfig b/security/tomoyo/Kconfig
index 7c7f8c16c10f..8eb779b9d77f 100644
--- a/security/tomoyo/Kconfig
+++ b/security/tomoyo/Kconfig
@@ -1,8 +1,10 @@
 config SECURITY_TOMOYO
 	bool "TOMOYO Linux Support"
 	depends on SECURITY
+	depends on NET
 	select SECURITYFS
 	select SECURITY_PATH
+	select SECURITY_NETWORK
 	default n
 	help
 	  This selects TOMOYO Linux, pathname-based access control.
diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile
index 95278b71fc21..56a0c7be409e 100644
--- a/security/tomoyo/Makefile
+++ b/security/tomoyo/Makefile
@@ -1,4 +1,4 @@
-obj-y = audit.o common.o condition.o domain.o file.o gc.o group.o load_policy.o memory.o mount.o realpath.o securityfs_if.o tomoyo.o util.o
+obj-y = audit.o common.o condition.o domain.o environ.o file.o gc.o group.o load_policy.o memory.o mount.o network.o realpath.o securityfs_if.o tomoyo.o util.o
 
 $(obj)/policy/profile.conf:
 	@mkdir -p $(obj)/policy/
@@ -27,7 +27,7 @@ $(obj)/policy/stat.conf:
 	@touch $@
 
 $(obj)/builtin-policy.h: $(obj)/policy/profile.conf $(obj)/policy/exception_policy.conf $(obj)/policy/domain_policy.conf $(obj)/policy/manager.conf $(obj)/policy/stat.conf
-	@echo Generating built-in policy for TOMOYO 2.4.x.
+	@echo Generating built-in policy for TOMOYO 2.5.x.
 	@echo "static char tomoyo_builtin_profile[] __initdata =" > $@.tmp
 	@sed -e 's/\\/\\\\/g' -e 's/\"/\\"/g' -e 's/\(.*\)/"\1\\n"/' < $(obj)/policy/profile.conf >> $@.tmp
 	@echo "\"\";" >> $@.tmp
diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c
index 5dbb1f7617c0..075c3a6d1649 100644
--- a/security/tomoyo/audit.c
+++ b/security/tomoyo/audit.c
@@ -313,6 +313,7 @@ static unsigned int tomoyo_log_count;
  */
 static bool tomoyo_get_audit(const struct tomoyo_policy_namespace *ns,
 			     const u8 profile, const u8 index,
+			     const struct tomoyo_acl_info *matched_acl,
 			     const bool is_granted)
 {
 	u8 mode;
@@ -324,6 +325,9 @@ static bool tomoyo_get_audit(const struct tomoyo_policy_namespace *ns,
 	p = tomoyo_profile(ns, profile);
 	if (tomoyo_log_count >= p->pref[TOMOYO_PREF_MAX_AUDIT_LOG])
 		return false;
+	if (is_granted && matched_acl && matched_acl->cond &&
+	    matched_acl->cond->grant_log != TOMOYO_GRANTLOG_AUTO)
+		return matched_acl->cond->grant_log == TOMOYO_GRANTLOG_YES;
 	mode = p->config[index];
 	if (mode == TOMOYO_CONFIG_USE_DEFAULT)
 		mode = p->config[category];
@@ -350,7 +354,8 @@ void tomoyo_write_log2(struct tomoyo_request_info *r, int len, const char *fmt,
 	char *buf;
 	struct tomoyo_log *entry;
 	bool quota_exceeded = false;
-	if (!tomoyo_get_audit(r->domain->ns, r->profile, r->type, r->granted))
+	if (!tomoyo_get_audit(r->domain->ns, r->profile, r->type,
+			      r->matched_acl, r->granted))
 		goto out;
 	buf = tomoyo_init_log(r, len, fmt, args);
 	if (!buf)
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 2e43aec1c36b..150911c7ff08 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -20,6 +20,7 @@ const char * const tomoyo_mode[TOMOYO_CONFIG_MAX_MODE] = {
 /* String table for /sys/kernel/security/tomoyo/profile */
 const char * const tomoyo_mac_keywords[TOMOYO_MAX_MAC_INDEX
 				       + TOMOYO_MAX_MAC_CATEGORY_INDEX] = {
+	/* CONFIG::file group */
 	[TOMOYO_MAC_FILE_EXECUTE]    = "execute",
 	[TOMOYO_MAC_FILE_OPEN]       = "open",
 	[TOMOYO_MAC_FILE_CREATE]     = "create",
@@ -43,7 +44,28 @@ const char * const tomoyo_mac_keywords[TOMOYO_MAX_MAC_INDEX
 	[TOMOYO_MAC_FILE_MOUNT]      = "mount",
 	[TOMOYO_MAC_FILE_UMOUNT]     = "unmount",
 	[TOMOYO_MAC_FILE_PIVOT_ROOT] = "pivot_root",
+	/* CONFIG::network group */
+	[TOMOYO_MAC_NETWORK_INET_STREAM_BIND]       = "inet_stream_bind",
+	[TOMOYO_MAC_NETWORK_INET_STREAM_LISTEN]     = "inet_stream_listen",
+	[TOMOYO_MAC_NETWORK_INET_STREAM_CONNECT]    = "inet_stream_connect",
+	[TOMOYO_MAC_NETWORK_INET_DGRAM_BIND]        = "inet_dgram_bind",
+	[TOMOYO_MAC_NETWORK_INET_DGRAM_SEND]        = "inet_dgram_send",
+	[TOMOYO_MAC_NETWORK_INET_RAW_BIND]          = "inet_raw_bind",
+	[TOMOYO_MAC_NETWORK_INET_RAW_SEND]          = "inet_raw_send",
+	[TOMOYO_MAC_NETWORK_UNIX_STREAM_BIND]       = "unix_stream_bind",
+	[TOMOYO_MAC_NETWORK_UNIX_STREAM_LISTEN]     = "unix_stream_listen",
+	[TOMOYO_MAC_NETWORK_UNIX_STREAM_CONNECT]    = "unix_stream_connect",
+	[TOMOYO_MAC_NETWORK_UNIX_DGRAM_BIND]        = "unix_dgram_bind",
+	[TOMOYO_MAC_NETWORK_UNIX_DGRAM_SEND]        = "unix_dgram_send",
+	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_BIND]    = "unix_seqpacket_bind",
+	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_LISTEN]  = "unix_seqpacket_listen",
+	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_CONNECT] = "unix_seqpacket_connect",
+	/* CONFIG::misc group */
+	[TOMOYO_MAC_ENVIRON] = "env",
+	/* CONFIG group */
 	[TOMOYO_MAX_MAC_INDEX + TOMOYO_MAC_CATEGORY_FILE] = "file",
+	[TOMOYO_MAX_MAC_INDEX + TOMOYO_MAC_CATEGORY_NETWORK] = "network",
+	[TOMOYO_MAX_MAC_INDEX + TOMOYO_MAC_CATEGORY_MISC] = "misc",
 };
 
 /* String table for conditions. */
@@ -130,10 +152,20 @@ const char * const tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION] = {
 	[TOMOYO_TYPE_UMOUNT]     = "unmount",
 };
 
+/* String table for socket's operation. */
+const char * const tomoyo_socket_keyword[TOMOYO_MAX_NETWORK_OPERATION] = {
+	[TOMOYO_NETWORK_BIND]    = "bind",
+	[TOMOYO_NETWORK_LISTEN]  = "listen",
+	[TOMOYO_NETWORK_CONNECT] = "connect",
+	[TOMOYO_NETWORK_SEND]    = "send",
+};
+
 /* String table for categories. */
 static const char * const tomoyo_category_keywords
 [TOMOYO_MAX_MAC_CATEGORY_INDEX] = {
-	[TOMOYO_MAC_CATEGORY_FILE]       = "file",
+	[TOMOYO_MAC_CATEGORY_FILE]    = "file",
+	[TOMOYO_MAC_CATEGORY_NETWORK] = "network",
+	[TOMOYO_MAC_CATEGORY_MISC]    = "misc",
 };
 
 /* Permit policy management by non-root user? */
@@ -230,13 +262,17 @@ static void tomoyo_set_string(struct tomoyo_io_buffer *head, const char *string)
 		WARN_ON(1);
 }
 
+static void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt,
+			     ...) __printf(2, 3);
+
 /**
  * tomoyo_io_printf - printf() to "struct tomoyo_io_buffer" structure.
  *
  * @head: Pointer to "struct tomoyo_io_buffer".
  * @fmt:  The printf()'s format string, followed by parameters.
  */
-void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
+static void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt,
+			     ...)
 {
 	va_list args;
 	size_t len;
@@ -313,7 +349,7 @@ void tomoyo_init_policy_namespace(struct tomoyo_policy_namespace *ns)
 		INIT_LIST_HEAD(&ns->group_list[idx]);
 	for (idx = 0; idx < TOMOYO_MAX_POLICY; idx++)
 		INIT_LIST_HEAD(&ns->policy_list[idx]);
-	ns->profile_version = 20100903;
+	ns->profile_version = 20110903;
 	tomoyo_namespace_enabled = !list_empty(&tomoyo_namespace_list);
 	list_add_tail_rcu(&ns->namespace_list, &tomoyo_namespace_list);
 }
@@ -466,8 +502,10 @@ static struct tomoyo_profile *tomoyo_assign_profile
 			TOMOYO_CONFIG_WANT_REJECT_LOG;
 		memset(ptr->config, TOMOYO_CONFIG_USE_DEFAULT,
 		       sizeof(ptr->config));
-		ptr->pref[TOMOYO_PREF_MAX_AUDIT_LOG] = 1024;
-		ptr->pref[TOMOYO_PREF_MAX_LEARNING_ENTRY] = 2048;
+		ptr->pref[TOMOYO_PREF_MAX_AUDIT_LOG] =
+			CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG;
+		ptr->pref[TOMOYO_PREF_MAX_LEARNING_ENTRY] =
+			CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY;
 		mb(); /* Avoid out-of-order execution. */
 		ns->profile_ptr[profile] = ptr;
 		entry = NULL;
@@ -951,14 +989,12 @@ static bool tomoyo_select_domain(struct tomoyo_io_buffer *head,
 	    (global_pid = true, sscanf(data, "global-pid=%u", &pid) == 1)) {
 		struct task_struct *p;
 		rcu_read_lock();
-		read_lock(&tasklist_lock);
 		if (global_pid)
 			p = find_task_by_pid_ns(pid, &init_pid_ns);
 		else
 			p = find_task_by_vpid(pid);
 		if (p)
 			domain = tomoyo_real_domain(p);
-		read_unlock(&tasklist_lock);
 		rcu_read_unlock();
 	} else if (!strncmp(data, "domain=", 7)) {
 		if (tomoyo_domain_def(data + 7))
@@ -982,6 +1018,48 @@ static bool tomoyo_select_domain(struct tomoyo_io_buffer *head,
 }
 
 /**
+ * tomoyo_same_task_acl - Check for duplicated "struct tomoyo_task_acl" entry.
+ *
+ * @a: Pointer to "struct tomoyo_acl_info".
+ * @b: Pointer to "struct tomoyo_acl_info".
+ *
+ * Returns true if @a == @b, false otherwise.
+ */
+static bool tomoyo_same_task_acl(const struct tomoyo_acl_info *a,
+			      const struct tomoyo_acl_info *b)
+{
+	const struct tomoyo_task_acl *p1 = container_of(a, typeof(*p1), head);
+	const struct tomoyo_task_acl *p2 = container_of(b, typeof(*p2), head);
+	return p1->domainname == p2->domainname;
+}
+
+/**
+ * tomoyo_write_task - Update task related list.
+ *
+ * @param: Pointer to "struct tomoyo_acl_param".
+ *
+ * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
+ */
+static int tomoyo_write_task(struct tomoyo_acl_param *param)
+{
+	int error = -EINVAL;
+	if (tomoyo_str_starts(&param->data, "manual_domain_transition ")) {
+		struct tomoyo_task_acl e = {
+			.head.type = TOMOYO_TYPE_MANUAL_TASK_ACL,
+			.domainname = tomoyo_get_domainname(param),
+		};
+		if (e.domainname)
+			error = tomoyo_update_domain(&e.head, sizeof(e), param,
+						     tomoyo_same_task_acl,
+						     NULL);
+		tomoyo_put_name(e.domainname);
+	}
+	return error;
+}
+
+/**
  * tomoyo_delete_domain - Delete a domain.
  *
  * @domainname: The name of domain.
@@ -1039,11 +1117,16 @@ static int tomoyo_write_domain2(struct tomoyo_policy_namespace *ns,
 	static const struct {
 		const char *keyword;
 		int (*write) (struct tomoyo_acl_param *);
-	} tomoyo_callback[1] = {
+	} tomoyo_callback[5] = {
 		{ "file ", tomoyo_write_file },
+		{ "network inet ", tomoyo_write_inet_network },
+		{ "network unix ", tomoyo_write_unix_network },
+		{ "misc ", tomoyo_write_misc },
+		{ "task ", tomoyo_write_task },
 	};
 	u8 i;
-	for (i = 0; i < 1; i++) {
+
+	for (i = 0; i < ARRAY_SIZE(tomoyo_callback); i++) {
 		if (!tomoyo_str_starts(&param.data,
 				       tomoyo_callback[i].keyword))
 			continue;
@@ -1127,6 +1210,10 @@ static bool tomoyo_print_condition(struct tomoyo_io_buffer *head,
 	case 0:
 		head->r.cond_index = 0;
 		head->r.cond_step++;
+		if (cond->transit) {
+			tomoyo_set_space(head);
+			tomoyo_set_string(head, cond->transit->name);
+		}
 		/* fall through */
 	case 1:
 		{
@@ -1239,6 +1326,10 @@ static bool tomoyo_print_condition(struct tomoyo_io_buffer *head,
 		head->r.cond_step++;
 		/* fall through */
 	case 3:
+		if (cond->grant_log != TOMOYO_GRANTLOG_AUTO)
+			tomoyo_io_printf(head, " grant_log=%s",
+					 tomoyo_yesno(cond->grant_log ==
+						      TOMOYO_GRANTLOG_YES));
 		tomoyo_set_lf(head);
 		return true;
 	}
@@ -1306,6 +1397,12 @@ static bool tomoyo_print_entry(struct tomoyo_io_buffer *head,
 		if (first)
 			return true;
 		tomoyo_print_name_union(head, &ptr->name);
+	} else if (acl_type == TOMOYO_TYPE_MANUAL_TASK_ACL) {
+		struct tomoyo_task_acl *ptr =
+			container_of(acl, typeof(*ptr), head);
+		tomoyo_set_group(head, "task ");
+		tomoyo_set_string(head, "manual_domain_transition ");
+		tomoyo_set_string(head, ptr->domainname->name);
 	} else if (head->r.print_transition_related_only) {
 		return true;
 	} else if (acl_type == TOMOYO_TYPE_PATH2_ACL) {
@@ -1370,6 +1467,60 @@ static bool tomoyo_print_entry(struct tomoyo_io_buffer *head,
 		tomoyo_print_number_union(head, &ptr->mode);
 		tomoyo_print_number_union(head, &ptr->major);
 		tomoyo_print_number_union(head, &ptr->minor);
+	} else if (acl_type == TOMOYO_TYPE_INET_ACL) {
+		struct tomoyo_inet_acl *ptr =
+			container_of(acl, typeof(*ptr), head);
+		const u8 perm = ptr->perm;
+
+		for (bit = 0; bit < TOMOYO_MAX_NETWORK_OPERATION; bit++) {
+			if (!(perm & (1 << bit)))
+				continue;
+			if (first) {
+				tomoyo_set_group(head, "network inet ");
+				tomoyo_set_string(head, tomoyo_proto_keyword
+						  [ptr->protocol]);
+				tomoyo_set_space(head);
+				first = false;
+			} else {
+				tomoyo_set_slash(head);
+			}
+			tomoyo_set_string(head, tomoyo_socket_keyword[bit]);
+		}
+		if (first)
+			return true;
+		tomoyo_set_space(head);
+		if (ptr->address.group) {
+			tomoyo_set_string(head, "@");
+			tomoyo_set_string(head, ptr->address.group->group_name
+					  ->name);
+		} else {
+			char buf[128];
+			tomoyo_print_ip(buf, sizeof(buf), &ptr->address);
+			tomoyo_io_printf(head, "%s", buf);
+		}
+		tomoyo_print_number_union(head, &ptr->port);
+	} else if (acl_type == TOMOYO_TYPE_UNIX_ACL) {
+		struct tomoyo_unix_acl *ptr =
+			container_of(acl, typeof(*ptr), head);
+		const u8 perm = ptr->perm;
+
+		for (bit = 0; bit < TOMOYO_MAX_NETWORK_OPERATION; bit++) {
+			if (!(perm & (1 << bit)))
+				continue;
+			if (first) {
+				tomoyo_set_group(head, "network unix ");
+				tomoyo_set_string(head, tomoyo_proto_keyword
+						  [ptr->protocol]);
+				tomoyo_set_space(head);
+				first = false;
+			} else {
+				tomoyo_set_slash(head);
+			}
+			tomoyo_set_string(head, tomoyo_socket_keyword[bit]);
+		}
+		if (first)
+			return true;
+		tomoyo_print_name_union(head, &ptr->name);
 	} else if (acl_type == TOMOYO_TYPE_MOUNT_ACL) {
 		struct tomoyo_mount_acl *ptr =
 			container_of(acl, typeof(*ptr), head);
@@ -1378,6 +1529,12 @@ static bool tomoyo_print_entry(struct tomoyo_io_buffer *head,
 		tomoyo_print_name_union(head, &ptr->dir_name);
 		tomoyo_print_name_union(head, &ptr->fs_type);
 		tomoyo_print_number_union(head, &ptr->flags);
+	} else if (acl_type == TOMOYO_TYPE_ENV_ACL) {
+		struct tomoyo_env_acl *ptr =
+			container_of(acl, typeof(*ptr), head);
+
+		tomoyo_set_group(head, "misc env ");
+		tomoyo_set_string(head, ptr->env->name);
 	}
 	if (acl->cond) {
 		head->r.print_cond_part = true;
@@ -1510,14 +1667,12 @@ static void tomoyo_read_pid(struct tomoyo_io_buffer *head)
 		global_pid = true;
 	pid = (unsigned int) simple_strtoul(buf, NULL, 10);
 	rcu_read_lock();
-	read_lock(&tasklist_lock);
 	if (global_pid)
 		p = find_task_by_pid_ns(pid, &init_pid_ns);
 	else
 		p = find_task_by_vpid(pid);
 	if (p)
 		domain = tomoyo_real_domain(p);
-	read_unlock(&tasklist_lock);
 	rcu_read_unlock();
 	if (!domain)
 		return;
@@ -1537,8 +1692,9 @@ static const char *tomoyo_transition_type[TOMOYO_MAX_TRANSITION_TYPE] = {
 
 /* String table for grouping keywords. */
 static const char *tomoyo_group_name[TOMOYO_MAX_GROUP] = {
-	[TOMOYO_PATH_GROUP]   = "path_group ",
-	[TOMOYO_NUMBER_GROUP] = "number_group ",
+	[TOMOYO_PATH_GROUP]    = "path_group ",
+	[TOMOYO_NUMBER_GROUP]  = "number_group ",
+	[TOMOYO_ADDRESS_GROUP] = "address_group ",
 };
 
 /**
@@ -1580,7 +1736,7 @@ static int tomoyo_write_exception(struct tomoyo_io_buffer *head)
 }
 
 /**
- * tomoyo_read_group - Read "struct tomoyo_path_group"/"struct tomoyo_number_group" list.
+ * tomoyo_read_group - Read "struct tomoyo_path_group"/"struct tomoyo_number_group"/"struct tomoyo_address_group" list.
  *
  * @head: Pointer to "struct tomoyo_io_buffer".
  * @idx:  Index number.
@@ -1617,6 +1773,15 @@ static bool tomoyo_read_group(struct tomoyo_io_buffer *head, const int idx)
 							  (ptr,
 						   struct tomoyo_number_group,
 							   head)->number);
+			} else if (idx == TOMOYO_ADDRESS_GROUP) {
+				char buffer[128];
+
+				struct tomoyo_address_group *member =
+					container_of(ptr, typeof(*member),
+						     head);
+				tomoyo_print_ip(buffer, sizeof(buffer),
+						&member->address);
+				tomoyo_io_printf(head, " %s", buffer);
 			}
 			tomoyo_set_lf(head);
 		}
@@ -2066,27 +2231,7 @@ static int tomoyo_write_answer(struct tomoyo_io_buffer *head)
 static void tomoyo_read_version(struct tomoyo_io_buffer *head)
 {
 	if (!head->r.eof) {
-		tomoyo_io_printf(head, "2.4.0");
-		head->r.eof = true;
-	}
-}
-
-/**
- * tomoyo_read_self_domain - Get the current process's domainname.
- *
- * @head: Pointer to "struct tomoyo_io_buffer".
- *
- * Returns the current process's domainname.
- */
-static void tomoyo_read_self_domain(struct tomoyo_io_buffer *head)
-{
-	if (!head->r.eof) {
-		/*
-		 * tomoyo_domain()->domainname != NULL
-		 * because every process belongs to a domain and
-		 * the domain's name cannot be NULL.
-		 */
-		tomoyo_io_printf(head, "%s", tomoyo_domain()->domainname->name);
+		tomoyo_io_printf(head, "2.5.0");
 		head->r.eof = true;
 	}
 }
@@ -2221,10 +2366,6 @@ int tomoyo_open_control(const u8 type, struct file *file)
 		head->poll = tomoyo_poll_log;
 		head->read = tomoyo_read_log;
 		break;
-	case TOMOYO_SELFDOMAIN:
-		/* /sys/kernel/security/tomoyo/self_domain */
-		head->read = tomoyo_read_self_domain;
-		break;
 	case TOMOYO_PROCESS_STATUS:
 		/* /sys/kernel/security/tomoyo/.process_status */
 		head->write = tomoyo_write_pid;
@@ -2453,6 +2594,7 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
 		return -EFAULT;
 	if (mutex_lock_interruptible(&head->io_sem))
 		return -EINTR;
+	head->read_user_buf_avail = 0;
 	idx = tomoyo_read_lock();
 	/* Read a line and dispatch it to the policy handler. */
 	while (avail_len > 0) {
@@ -2562,11 +2704,11 @@ void tomoyo_check_profile(void)
 	struct tomoyo_domain_info *domain;
 	const int idx = tomoyo_read_lock();
 	tomoyo_policy_loaded = true;
-	printk(KERN_INFO "TOMOYO: 2.4.0\n");
+	printk(KERN_INFO "TOMOYO: 2.5.0\n");
 	list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
 		const u8 profile = domain->profile;
 		const struct tomoyo_policy_namespace *ns = domain->ns;
-		if (ns->profile_version != 20100903)
+		if (ns->profile_version != 20110903)
 			printk(KERN_ERR
 			       "Profile version %u is not supported.\n",
 			       ns->profile_version);
@@ -2577,9 +2719,9 @@ void tomoyo_check_profile(void)
 		else
 			continue;
 		printk(KERN_ERR
-		       "Userland tools for TOMOYO 2.4 must be installed and "
+		       "Userland tools for TOMOYO 2.5 must be installed and "
 		       "policy must be initialized.\n");
-		printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/2.4/ "
+		printk(KERN_ERR "Please see http://tomoyo.sourceforge.jp/2.5/ "
 		       "for more information.\n");
 		panic("STOP!");
 	}
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index f7fbaa66e443..ed311d7a8ce0 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -3,7 +3,7 @@
  *
  * Header file for TOMOYO.
  *
- * Copyright (C) 2005-2010  NTT DATA CORPORATION
+ * Copyright (C) 2005-2011  NTT DATA CORPORATION
  */
 
 #ifndef _SECURITY_TOMOYO_COMMON_H
@@ -23,6 +23,16 @@
 #include <linux/poll.h>
 #include <linux/binfmts.h>
 #include <linux/highmem.h>
+#include <linux/net.h>
+#include <linux/inet.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/un.h>
+#include <net/sock.h>
+#include <net/af_unix.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <net/udp.h>
 
 /********** Constants definitions. **********/
 
@@ -34,8 +44,17 @@
 #define TOMOYO_HASH_BITS  8
 #define TOMOYO_MAX_HASH (1u<<TOMOYO_HASH_BITS)
 
+/*
+ * TOMOYO checks only SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET.
+ * Therefore, we don't need SOCK_MAX.
+ */
+#define TOMOYO_SOCK_MAX 6
+
 #define TOMOYO_EXEC_TMPSIZE     4096
 
+/* Garbage collector is trying to kfree() this element. */
+#define TOMOYO_GC_IN_PROGRESS -1
+
 /* Profile number is an integer between 0 and 255. */
 #define TOMOYO_MAX_PROFILES 256
 
@@ -136,6 +155,7 @@ enum tomoyo_mode_index {
 /* Index numbers for entry type. */
 enum tomoyo_policy_id {
 	TOMOYO_ID_GROUP,
+	TOMOYO_ID_ADDRESS_GROUP,
 	TOMOYO_ID_PATH_GROUP,
 	TOMOYO_ID_NUMBER_GROUP,
 	TOMOYO_ID_TRANSITION_CONTROL,
@@ -162,10 +182,21 @@ enum tomoyo_domain_info_flags_index {
 	TOMOYO_MAX_DOMAIN_INFO_FLAGS
 };
 
+/* Index numbers for audit type. */
+enum tomoyo_grant_log {
+	/* Follow profile's configuration. */
+	TOMOYO_GRANTLOG_AUTO,
+	/* Do not generate grant log. */
+	TOMOYO_GRANTLOG_NO,
+	/* Generate grant_log. */
+	TOMOYO_GRANTLOG_YES,
+};
+
 /* Index numbers for group entries. */
 enum tomoyo_group_id {
 	TOMOYO_PATH_GROUP,
 	TOMOYO_NUMBER_GROUP,
+	TOMOYO_ADDRESS_GROUP,
 	TOMOYO_MAX_GROUP
 };
 
@@ -196,6 +227,10 @@ enum tomoyo_acl_entry_type_index {
 	TOMOYO_TYPE_PATH_NUMBER_ACL,
 	TOMOYO_TYPE_MKDEV_ACL,
 	TOMOYO_TYPE_MOUNT_ACL,
+	TOMOYO_TYPE_INET_ACL,
+	TOMOYO_TYPE_UNIX_ACL,
+	TOMOYO_TYPE_ENV_ACL,
+	TOMOYO_TYPE_MANUAL_TASK_ACL,
 };
 
 /* Index numbers for access controls with one pathname. */
@@ -228,6 +263,15 @@ enum tomoyo_mkdev_acl_index {
 	TOMOYO_MAX_MKDEV_OPERATION
 };
 
+/* Index numbers for socket operations. */
+enum tomoyo_network_acl_index {
+	TOMOYO_NETWORK_BIND,    /* bind() operation. */
+	TOMOYO_NETWORK_LISTEN,  /* listen() operation. */
+	TOMOYO_NETWORK_CONNECT, /* connect() operation. */
+	TOMOYO_NETWORK_SEND,    /* send() operation. */
+	TOMOYO_MAX_NETWORK_OPERATION
+};
+
 /* Index numbers for access controls with two pathnames. */
 enum tomoyo_path2_acl_index {
 	TOMOYO_TYPE_LINK,
@@ -255,7 +299,6 @@ enum tomoyo_securityfs_interface_index {
 	TOMOYO_EXCEPTIONPOLICY,
 	TOMOYO_PROCESS_STATUS,
 	TOMOYO_STAT,
-	TOMOYO_SELFDOMAIN,
 	TOMOYO_AUDIT,
 	TOMOYO_VERSION,
 	TOMOYO_PROFILE,
@@ -300,12 +343,30 @@ enum tomoyo_mac_index {
 	TOMOYO_MAC_FILE_MOUNT,
 	TOMOYO_MAC_FILE_UMOUNT,
 	TOMOYO_MAC_FILE_PIVOT_ROOT,
+	TOMOYO_MAC_NETWORK_INET_STREAM_BIND,
+	TOMOYO_MAC_NETWORK_INET_STREAM_LISTEN,
+	TOMOYO_MAC_NETWORK_INET_STREAM_CONNECT,
+	TOMOYO_MAC_NETWORK_INET_DGRAM_BIND,
+	TOMOYO_MAC_NETWORK_INET_DGRAM_SEND,
+	TOMOYO_MAC_NETWORK_INET_RAW_BIND,
+	TOMOYO_MAC_NETWORK_INET_RAW_SEND,
+	TOMOYO_MAC_NETWORK_UNIX_STREAM_BIND,
+	TOMOYO_MAC_NETWORK_UNIX_STREAM_LISTEN,
+	TOMOYO_MAC_NETWORK_UNIX_STREAM_CONNECT,
+	TOMOYO_MAC_NETWORK_UNIX_DGRAM_BIND,
+	TOMOYO_MAC_NETWORK_UNIX_DGRAM_SEND,
+	TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_BIND,
+	TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_LISTEN,
+	TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_CONNECT,
+	TOMOYO_MAC_ENVIRON,
 	TOMOYO_MAX_MAC_INDEX
 };
 
 /* Index numbers for category of functionality. */
 enum tomoyo_mac_category_index {
 	TOMOYO_MAC_CATEGORY_FILE,
+	TOMOYO_MAC_CATEGORY_NETWORK,
+	TOMOYO_MAC_CATEGORY_MISC,
 	TOMOYO_MAX_MAC_CATEGORY_INDEX
 };
 
@@ -340,7 +401,7 @@ enum tomoyo_pref_index {
 /* Common header for holding ACL entries. */
 struct tomoyo_acl_head {
 	struct list_head list;
-	bool is_deleted;
+	s8 is_deleted; /* true or false or TOMOYO_GC_IN_PROGRESS */
 } __packed;
 
 /* Common header for shared entries. */
@@ -397,13 +458,36 @@ struct tomoyo_request_info {
 			u8 operation;
 		} path_number;
 		struct {
+			const struct tomoyo_path_info *name;
+		} environ;
+		struct {
+			const __be32 *address;
+			u16 port;
+			/* One of values smaller than TOMOYO_SOCK_MAX. */
+			u8 protocol;
+			/* One of values in "enum tomoyo_network_acl_index". */
+			u8 operation;
+			bool is_ipv6;
+		} inet_network;
+		struct {
+			const struct tomoyo_path_info *address;
+			/* One of values smaller than TOMOYO_SOCK_MAX. */
+			u8 protocol;
+			/* One of values in "enum tomoyo_network_acl_index". */
+			u8 operation;
+		} unix_network;
+		struct {
 			const struct tomoyo_path_info *type;
 			const struct tomoyo_path_info *dir;
 			const struct tomoyo_path_info *dev;
 			unsigned long flags;
 			int need_dev;
 		} mount;
+		struct {
+			const struct tomoyo_path_info *domainname;
+		} task;
 	} param;
+	struct tomoyo_acl_info *matched_acl;
 	u8 param_type;
 	bool granted;
 	u8 retry;
@@ -442,7 +526,14 @@ struct tomoyo_number_union {
 	u8 value_type[2];
 };
 
-/* Structure for "path_group"/"number_group" directive. */
+/* Structure for holding an IP address. */
+struct tomoyo_ipaddr_union {
+	struct in6_addr ip[2]; /* Big endian. */
+	struct tomoyo_group *group; /* Pointer to address group. */
+	bool is_ipv6; /* Valid only if @group == NULL. */
+};
+
+/* Structure for "path_group"/"number_group"/"address_group" directive. */
 struct tomoyo_group {
 	struct tomoyo_shared_acl_head head;
 	const struct tomoyo_path_info *group_name;
@@ -461,6 +552,13 @@ struct tomoyo_number_group {
 	struct tomoyo_number_union number;
 };
 
+/* Structure for "address_group" directive. */
+struct tomoyo_address_group {
+	struct tomoyo_acl_head head;
+	/* Structure for holding an IP address. */
+	struct tomoyo_ipaddr_union address;
+};
+
 /* Subset of "struct stat". Used by conditional ACL and audit logs. */
 struct tomoyo_mini_stat {
 	uid_t uid;
@@ -520,6 +618,7 @@ struct tomoyo_execve {
 	struct tomoyo_request_info r;
 	struct tomoyo_obj_info obj;
 	struct linux_binprm *bprm;
+	const struct tomoyo_path_info *transition;
 	/* For dumping argv[] and envp[]. */
 	struct tomoyo_page_dump dump;
 	/* For temporary use. */
@@ -554,6 +653,8 @@ struct tomoyo_condition {
 	u16 names_count; /* Number of "struct tomoyo_name_union names". */
 	u16 argc; /* Number of "struct tomoyo_argv". */
 	u16 envc; /* Number of "struct tomoyo_envp". */
+	u8 grant_log; /* One of values in "enum tomoyo_grant_log". */
+	const struct tomoyo_path_info *transit; /* Maybe NULL. */
 	/*
 	 * struct tomoyo_condition_element condition[condc];
 	 * struct tomoyo_number_union values[numbers_count];
@@ -567,7 +668,7 @@ struct tomoyo_condition {
 struct tomoyo_acl_info {
 	struct list_head list;
 	struct tomoyo_condition *cond; /* Maybe NULL. */
-	bool is_deleted;
+	s8 is_deleted; /* true or false or TOMOYO_GC_IN_PROGRESS */
 	u8 type; /* One of values in "enum tomoyo_acl_entry_type_index". */
 } __packed;
 
@@ -587,6 +688,15 @@ struct tomoyo_domain_info {
 };
 
 /*
+ * Structure for "task manual_domain_transition" directive.
+ */
+struct tomoyo_task_acl {
+	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_MANUAL_TASK_ACL */
+	/* Pointer to domainname. */
+	const struct tomoyo_path_info *domainname;
+};
+
+/*
  * Structure for "file execute", "file read", "file write", "file append",
  * "file unlink", "file getattr", "file rmdir", "file truncate",
  * "file symlink", "file chroot" and "file unmount" directive.
@@ -638,6 +748,29 @@ struct tomoyo_mount_acl {
 	struct tomoyo_number_union flags;
 };
 
+/* Structure for "misc env" directive in domain policy. */
+struct tomoyo_env_acl {
+	struct tomoyo_acl_info head;        /* type = TOMOYO_TYPE_ENV_ACL  */
+	const struct tomoyo_path_info *env; /* environment variable */
+};
+
+/* Structure for "network inet" directive. */
+struct tomoyo_inet_acl {
+	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_INET_ACL */
+	u8 protocol;
+	u8 perm; /* Bitmask of values in "enum tomoyo_network_acl_index" */
+	struct tomoyo_ipaddr_union address;
+	struct tomoyo_number_union port;
+};
+
+/* Structure for "network unix" directive. */
+struct tomoyo_unix_acl {
+	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_UNIX_ACL */
+	u8 protocol;
+	u8 perm; /* Bitmask of values in "enum tomoyo_network_acl_index" */
+	struct tomoyo_name_union name;
+};
+
 /* Structure for holding a line from /sys/kernel/security/tomoyo/ interface. */
 struct tomoyo_acl_param {
 	char *data;
@@ -773,7 +906,7 @@ struct tomoyo_policy_namespace {
 	struct list_head acl_group[TOMOYO_MAX_ACL_GROUPS];
 	/* List for connecting to tomoyo_namespace_list list. */
 	struct list_head namespace_list;
-	/* Profile version. Currently only 20100903 is defined. */
+	/* Profile version. Currently only 20110903 is defined. */
 	unsigned int profile_version;
 	/* Name of this namespace (e.g. "<kernel>", "</usr/sbin/httpd>" ). */
 	const char *name;
@@ -781,6 +914,8 @@ struct tomoyo_policy_namespace {
 
 /********** Function prototypes. **********/
 
+bool tomoyo_address_matches_group(const bool is_ipv6, const __be32 *address,
+				  const struct tomoyo_group *group);
 bool tomoyo_compare_number_union(const unsigned long value,
 				 const struct tomoyo_number_union *ptr);
 bool tomoyo_condition(struct tomoyo_request_info *r,
@@ -796,6 +931,8 @@ bool tomoyo_memory_ok(void *ptr);
 bool tomoyo_number_matches_group(const unsigned long min,
 				 const unsigned long max,
 				 const struct tomoyo_group *group);
+bool tomoyo_parse_ipaddr_union(struct tomoyo_acl_param *param,
+			       struct tomoyo_ipaddr_union *ptr);
 bool tomoyo_parse_name_union(struct tomoyo_acl_param *param,
 			     struct tomoyo_name_union *ptr);
 bool tomoyo_parse_number_union(struct tomoyo_acl_param *param,
@@ -805,6 +942,7 @@ bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
 bool tomoyo_permstr(const char *string, const char *keyword);
 bool tomoyo_str_starts(char **src, const char *find);
 char *tomoyo_encode(const char *str);
+char *tomoyo_encode2(const char *str, int str_len);
 char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
 		      va_list args);
 char *tomoyo_read_token(struct tomoyo_acl_param *param);
@@ -814,12 +952,17 @@ const char *tomoyo_get_exe(void);
 const char *tomoyo_yesno(const unsigned int value);
 const struct tomoyo_path_info *tomoyo_compare_name_union
 (const struct tomoyo_path_info *name, const struct tomoyo_name_union *ptr);
+const struct tomoyo_path_info *tomoyo_get_domainname
+(struct tomoyo_acl_param *param);
 const struct tomoyo_path_info *tomoyo_get_name(const char *name);
 const struct tomoyo_path_info *tomoyo_path_matches_group
 (const struct tomoyo_path_info *pathname, const struct tomoyo_group *group);
 int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
 				 struct path *path, const int flag);
 int tomoyo_close_control(struct tomoyo_io_buffer *head);
+int tomoyo_env_perm(struct tomoyo_request_info *r, const char *env);
+int tomoyo_execute_permission(struct tomoyo_request_info *r,
+			      const struct tomoyo_path_info *filename);
 int tomoyo_find_next_domain(struct linux_binprm *bprm);
 int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile,
 		    const u8 index);
@@ -838,10 +981,15 @@ int tomoyo_path_number_perm(const u8 operation, struct path *path,
 			    unsigned long number);
 int tomoyo_path_perm(const u8 operation, struct path *path,
 		     const char *target);
-int tomoyo_path_permission(struct tomoyo_request_info *r, u8 operation,
-			   const struct tomoyo_path_info *filename);
 int tomoyo_poll_control(struct file *file, poll_table *wait);
 int tomoyo_poll_log(struct file *file, poll_table *wait);
+int tomoyo_socket_bind_permission(struct socket *sock, struct sockaddr *addr,
+				  int addr_len);
+int tomoyo_socket_connect_permission(struct socket *sock,
+				     struct sockaddr *addr, int addr_len);
+int tomoyo_socket_listen_permission(struct socket *sock);
+int tomoyo_socket_sendmsg_permission(struct socket *sock, struct msghdr *msg,
+				     int size);
 int tomoyo_s