*
* Header file for TOMOYO.
*
- * Copyright (C) 2005-2010 NTT DATA CORPORATION
+ * Copyright (C) 2005-2011 NTT DATA CORPORATION
*/
#ifndef _SECURITY_TOMOYO_COMMON_H
#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. **********/
#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
/* Profile number is an integer between 0 and 255. */
/* 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,
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
};
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. */
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,
TOMOYO_EXCEPTIONPOLICY,
TOMOYO_PROCESS_STATUS,
TOMOYO_STAT,
- TOMOYO_SELFDOMAIN,
TOMOYO_AUDIT,
TOMOYO_VERSION,
TOMOYO_PROFILE,
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
};
*/
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;
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;
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;
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;
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. */
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];
atomic_t users; /* Number of referring credentials. */
};
+/*
+ * 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",
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;
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;
/********** 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,
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,
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);
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);
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_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
__printf(2, 3);
int tomoyo_update_domain(struct tomoyo_acl_info *new_entry, const int size,
int tomoyo_write_aggregator(struct tomoyo_acl_param *param);
int tomoyo_write_file(struct tomoyo_acl_param *param);
int tomoyo_write_group(struct tomoyo_acl_param *param, const u8 type);
+int tomoyo_write_misc(struct tomoyo_acl_param *param);
+int tomoyo_write_inet_network(struct tomoyo_acl_param *param);
int tomoyo_write_transition_control(struct tomoyo_acl_param *param,
const u8 type);
+int tomoyo_write_unix_network(struct tomoyo_acl_param *param);
ssize_t tomoyo_read_control(struct tomoyo_io_buffer *head, char __user *buffer,
const int buffer_len);
ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
void tomoyo_fill_path_info(struct tomoyo_path_info *ptr);
void tomoyo_get_attributes(struct tomoyo_obj_info *obj);
void tomoyo_init_policy_namespace(struct tomoyo_policy_namespace *ns);
-void tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
- __printf(2, 3);
void tomoyo_load_policy(const char *filename);
void tomoyo_memory_free(void *ptr);
void tomoyo_normalize_line(unsigned char *buffer);
void tomoyo_notify_gc(struct tomoyo_io_buffer *head, const bool is_register);
+void tomoyo_print_ip(char *buf, const unsigned int size,
+ const struct tomoyo_ipaddr_union *ptr);
void tomoyo_print_ulong(char *buffer, const int buffer_len,
const unsigned long value, const u8 type);
void tomoyo_put_name_union(struct tomoyo_name_union *ptr);
+ TOMOYO_MAX_MAC_CATEGORY_INDEX];
extern const char * const tomoyo_mode[TOMOYO_CONFIG_MAX_MODE];
extern const char * const tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION];
+extern const char * const tomoyo_proto_keyword[TOMOYO_SOCK_MAX];
+extern const char * const tomoyo_socket_keyword[TOMOYO_MAX_NETWORK_OPERATION];
extern const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX];
extern const u8 tomoyo_pn2mac[TOMOYO_MAX_PATH_NUMBER_OPERATION];
extern const u8 tomoyo_pnnn2mac[TOMOYO_MAX_MKDEV_OPERATION];
a->value_type[1] == b->value_type[1];
}
+/**
+ * tomoyo_same_ipaddr_union - Check for duplicated "struct tomoyo_ipaddr_union" entry.
+ *
+ * @a: Pointer to "struct tomoyo_ipaddr_union".
+ * @b: Pointer to "struct tomoyo_ipaddr_union".
+ *
+ * Returns true if @a == @b, false otherwise.
+ */
+static inline bool tomoyo_same_ipaddr_union
+(const struct tomoyo_ipaddr_union *a, const struct tomoyo_ipaddr_union *b)
+{
+ return !memcmp(a->ip, b->ip, sizeof(a->ip)) && a->group == b->group &&
+ a->is_ipv6 == b->is_ipv6;
+}
+
/**
* tomoyo_current_namespace - Get "struct tomoyo_policy_namespace" for current thread.
*
git.openpandora.org / pandora-kernel.git / blobdiff