Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\tomoyo\network.c Create Date:2022-07-28 19:45:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:moyo_write_inet_network - Write "struct tomoyo_inet_acl" list.*@param: Pointer to "struct tomoyo_acl_param".* Returns 0 on success, negative value otherwise.* Caller holds tomoyo_read_lock().

Proto:int tomoyo_write_inet_network(struct tomoyo_acl_param *param)

Type:int

Parameter:

TypeParameterName
struct tomoyo_acl_param *param
284  struct tomoyo_inet_acl e = { One of values in "enum tomoyo_acl_entry_type_index". = TOMOYO_TYPE_INET_ACL}
285  error = -EINVAL
287  protocol = tomoyo_read_token(param)
288  operation = tomoyo_read_token(param)
290  When protocol < TOMOYO checks only SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET.* Therefore, we don't need SOCK_MAX. cycle If Not strcmp(protocol, String table for socket's protocols. [protocol]) Then
292  Break
293  When type < TOMOYO_MAX_NETWORK_OPERATION cycle If tomoyo_permstr(operation, String table for socket's operation. [type]) Then
295  Bitmask of values in "enum tomoyo_network_acl_index" |= 1 << type
296  If protocol == TOMOYO checks only SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET.* Therefore, we don't need SOCK_MAX. || Not Bitmask of values in "enum tomoyo_network_acl_index" Then Return -EINVAL
298  If data[0] == '@' Then
299  data++
300  Pointer to address group. = moyo_get_group - Allocate memory for "struct tomoyo_path_group"/"struct tomoyo_number_group".*@param: Pointer to "struct tomoyo_acl_param".*@idx: Index number.* Returns pointer to "struct tomoyo_group" on success, NULL otherwise.
302  If Not Pointer to address group. Then Return -ENOMEM
304  Else
305  If Not moyo_parse_ipaddr_union - Parse an IP address.*@param: Pointer to "struct tomoyo_acl_param".*@ptr: Pointer to "struct tomoyo_ipaddr_union".* Returns true on success, false otherwise. Then Go to out
308  If Not moyo_parse_number_union - Parse a tomoyo_number_union.*@param: Pointer to "struct tomoyo_acl_param".*@ptr: Pointer to "struct tomoyo_number_union".* Returns true on success, false otherwise. || values[1] > 65535 Then Go to out
311  error = moyo_update_domain - Update an entry for domain policy.*@new_entry: Pointer to "struct tomoyo_acl_info".*@size: Size of @new_entry in bytes.*@param: Pointer to "struct tomoyo_acl_param".*@check_duplicate: Callback function to find duplicated entry.
314  out :
315  moyo_put_group - Drop reference on "struct tomoyo_group".*@group: Pointer to "struct tomoyo_group". Maybe NULL.* Returns nothing.
316  moyo_put_number_union - Drop reference on "struct tomoyo_number_union".*@ptr: Pointer to "struct tomoyo_number_union".* Returns nothing.
317  Return error