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security: add const qualifier to struct sock in various places

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A followup change to tcp_request_sock_op would have to drop the 'const'
qualifier from the 'route_req' function as the
'security_inet_conn_request' call is moved there - and that function
expects a 'struct sock *'.

However, it turns out its also possible to add a const qualifier to
security_inet_conn_request instead.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Florian Westphal 2020-11-30 16:36:29 +01:00 committed by Jakub Kicinski
parent d4bff72c84
commit 41dd9596d6
10 changed files with 15 additions and 15 deletions
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2
include/linux/lsm_audit.h
View File

@ -26,7 +26,7 @@
struct lsm_network_audit {
int netif;
struct sock *sk;
const struct sock *sk;
u16 family;
__be16 dport;
__be16 sport;

2
include/linux/lsm_hook_defs.h
View File

@ -301,7 +301,7 @@ LSM_HOOK(void, LSM_RET_VOID, sk_clone_security, const struct sock *sk,
struct sock *newsk)
LSM_HOOK(void, LSM_RET_VOID, sk_getsecid, struct sock *sk, u32 *secid)
LSM_HOOK(void, LSM_RET_VOID, sock_graft, struct sock *sk, struct socket *parent)
LSM_HOOK(int, 0, inet_conn_request, struct sock *sk, struct sk_buff *skb,
LSM_HOOK(int, 0, inet_conn_request, const struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
LSM_HOOK(void, LSM_RET_VOID, inet_csk_clone, struct sock *newsk,
const struct request_sock *req)

4
include/linux/security.h
View File

@ -1358,7 +1358,7 @@ void security_sk_clone(const struct sock *sk, struct sock *newsk);
void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
void security_sock_graft(struct sock*sk, struct socket *parent);
int security_inet_conn_request(struct sock *sk,
int security_inet_conn_request(const struct sock *sk,
struct sk_buff *skb, struct request_sock *req);
void security_inet_csk_clone(struct sock *newsk,
const struct request_sock *req);
@ -1519,7 +1519,7 @@ static inline void security_sock_graft(struct sock *sk, struct socket *parent)
{
}
static inline int security_inet_conn_request(struct sock *sk,
static inline int security_inet_conn_request(const struct sock *sk,
struct sk_buff *skb, struct request_sock *req)
{
return 0;

2
security/apparmor/include/net.h
View File

@ -107,6 +107,6 @@ int aa_sock_file_perm(struct aa_label *label, const char *op, u32 request,
struct socket *sock);
int apparmor_secmark_check(struct aa_label *label, char *op, u32 request,
u32 secid, struct sock *sk);
u32 secid, const struct sock *sk);
#endif /* __AA_NET_H */

2
security/apparmor/lsm.c
View File

@ -1147,7 +1147,7 @@ static void apparmor_sock_graft(struct sock *sk, struct socket *parent)
}
#ifdef CONFIG_NETWORK_SECMARK
static int apparmor_inet_conn_request(struct sock *sk, struct sk_buff *skb,
static int apparmor_inet_conn_request(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
{
struct aa_sk_ctx *ctx = SK_CTX(sk);

6
security/apparmor/net.c
View File

@ -211,7 +211,7 @@ static int apparmor_secmark_init(struct aa_secmark *secmark)
}
static int aa_secmark_perm(struct aa_profile *profile, u32 request, u32 secid,
struct common_audit_data *sa, struct sock *sk)
struct common_audit_data *sa)
{
int i, ret;
struct aa_perms perms = { };
@ -244,13 +244,13 @@ static int aa_secmark_perm(struct aa_profile *profile, u32 request, u32 secid,
}
int apparmor_secmark_check(struct aa_label *label, char *op, u32 request,
u32 secid, struct sock *sk)
u32 secid, const struct sock *sk)
{
struct aa_profile *profile;
DEFINE_AUDIT_SK(sa, op, sk);
return fn_for_each_confined(label, profile,
aa_secmark_perm(profile, request, secid,
&sa, sk));
&sa));
}
#endif

4
security/lsm_audit.c
View File

@ -183,7 +183,7 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
static inline void print_ipv6_addr(struct audit_buffer *ab,
struct in6_addr *addr, __be16 port,
const struct in6_addr *addr, __be16 port,
char *name1, char *name2)
{
if (!ipv6_addr_any(addr))
@ -322,7 +322,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
}
case LSM_AUDIT_DATA_NET:
if (a->u.net->sk) {
struct sock *sk = a->u.net->sk;
const struct sock *sk = a->u.net->sk;
struct unix_sock *u;
struct unix_address *addr;
int len = 0;

2
security/security.c
View File

@ -2225,7 +2225,7 @@ void security_sock_graft(struct sock *sk, struct socket *parent)
}
EXPORT_SYMBOL(security_sock_graft);
int security_inet_conn_request(struct sock *sk,
int security_inet_conn_request(const struct sock *sk,
struct sk_buff *skb, struct request_sock *req)
{
return call_int_hook(inet_conn_request, 0, sk, skb, req);

2
security/selinux/hooks.c
View File

@ -5355,7 +5355,7 @@ static void selinux_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
selinux_netlbl_sctp_sk_clone(sk, newsk);
}
static int selinux_inet_conn_request(struct sock *sk, struct sk_buff *skb,
static int selinux_inet_conn_request(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
{
struct sk_security_struct *sksec = sk->sk_security;

4
security/smack/smack_lsm.c
View File

@ -3864,7 +3864,7 @@ static inline struct smack_known *smack_from_skb(struct sk_buff *skb)
*
* Returns smack_known of the IP options or NULL if that won't work.
*/
static struct smack_known *smack_from_netlbl(struct sock *sk, u16 family,
static struct smack_known *smack_from_netlbl(const struct sock *sk, u16 family,
struct sk_buff *skb)
{
struct netlbl_lsm_secattr secattr;
@ -4114,7 +4114,7 @@ static void smack_sock_graft(struct sock *sk, struct socket *parent)
* Returns 0 if a task with the packet label could write to
* the socket, otherwise an error code
*/
static int smack_inet_conn_request(struct sock *sk, struct sk_buff *skb,
static int smack_inet_conn_request(const struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
{
u16 family = sk->sk_family;