Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\tomoyo\network.c Create Date:2022-07-28 19:45:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:moyo_check_inet_address - Check permission for inet domain socket's operation.*@addr: Pointer to "struct sockaddr".*@addr_len: Size of @addr.*@port: Port number.*@address: Pointer to "struct tomoyo_addr_info".

Proto:static int tomoyo_check_inet_address(const struct sockaddr *addr, const unsigned int addr_len, const u16 port, struct tomoyo_addr_info *address)

Type:int

Parameter:

TypeParameterName
const struct sockaddr *addr
const unsigned intaddr_len
const u16port
struct tomoyo_addr_info *address
506  i = inet
508  If addr_len < get the member end offset of(structsockaddr, sa_family) Then Return 0
511  Case address family, AF_xxx == IP version 6
512  If addr_len < SIN6_LEN_RFC2133 Then Go to skip
514  is_ipv6 = true
515  In network byte order. = s6_addr
517  In network byte order. = sin6_port
518  Break
519  Case address family, AF_xxx == Internet IP Protocol
520  If addr_len < sizeof(structsockaddr_in) Then Go to skip
522  is_ipv6 = false
523  In network byte order. = (__be32 * ) & sin_addr
525  In network byte order. = sin_port
526  Break
527  Default
528  Go to skip
530  If protocol == SOCK_RAW Then In network byte order. = htons(port)
532  Return moyo_inet_entry - Check permission for INET network operation.*@address: Pointer to "struct tomoyo_addr_info".* Returns 0 on success, negative value otherwise.
533  :
534  Return 0
Caller
NameDescribe
tomoyo_socket_listen_permissionmoyo_socket_listen_permission - Check permission for listening a socket.*@sock: Pointer to "struct socket".* Returns 0 on success, negative value otherwise.
tomoyo_socket_connect_permissionmoyo_socket_connect_permission - Check permission for setting the remote address of a socket.*@sock: Pointer to "struct socket".*@addr: Pointer to "struct sockaddr".*@addr_len: Size of @addr.* Returns 0 on success, negative value otherwise.
tomoyo_socket_bind_permissionmoyo_socket_bind_permission - Check permission for setting the local address of a socket.*@sock: Pointer to "struct socket".*@addr: Pointer to "struct sockaddr".*@addr_len: Size of @addr.* Returns 0 on success, negative value otherwise.
tomoyo_socket_sendmsg_permissionmoyo_socket_sendmsg_permission - Check permission for sending a datagram.*@sock: Pointer to "struct socket".*@msg: Pointer to "struct msghdr".*@size: Unused.* Returns 0 on success, negative value otherwise.