diff options
Diffstat (limited to 'security/security.c')
| -rw-r--r-- | security/security.c | 91 |
1 files changed, 74 insertions, 17 deletions
diff --git a/security/security.c b/security/security.c index e60d560e45f8..9c59f6f83e66 100644 --- a/security/security.c +++ b/security/security.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ +#include <linux/bpf.h> #include <linux/capability.h> #include <linux/dcache.h> #include <linux/module.h> @@ -130,25 +131,25 @@ int __init security_module_enable(const char *module) /* Security operations */ -int security_binder_set_context_mgr(struct task_struct *mgr) +int security_binder_set_context_mgr(const struct cred *mgr) { return call_int_hook(binder_set_context_mgr, 0, mgr); } -int security_binder_transaction(struct task_struct *from, - struct task_struct *to) +int security_binder_transaction(const struct cred *from, + const struct cred *to) { return call_int_hook(binder_transaction, 0, from, to); } -int security_binder_transfer_binder(struct task_struct *from, - struct task_struct *to) +int security_binder_transfer_binder(const struct cred *from, + const struct cred *to) { return call_int_hook(binder_transfer_binder, 0, from, to); } -int security_binder_transfer_file(struct task_struct *from, - struct task_struct *to, struct file *file) +int security_binder_transfer_file(const struct cred *from, + const struct cred *to, struct file *file) { return call_int_hook(binder_transfer_file, 0, from, to, file); } @@ -706,7 +707,7 @@ int security_inode_killpriv(struct dentry *dentry) return call_int_hook(inode_killpriv, 0, dentry); } -int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) +int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) { if (unlikely(IS_PRIVATE(inode))) return -EOPNOTSUPP; @@ -730,7 +731,7 @@ int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer } EXPORT_SYMBOL(security_inode_listsecurity); -void security_inode_getsecid(const struct inode *inode, u32 *secid) +void security_inode_getsecid(struct inode *inode, u32 *secid) { call_void_hook(inode_getsecid, inode, secid); } @@ -1177,6 +1178,12 @@ void security_release_secctx(char *secdata, u32 seclen) } EXPORT_SYMBOL(security_release_secctx); +void security_inode_invalidate_secctx(struct inode *inode) +{ + call_void_hook(inode_invalidate_secctx, inode); +} +EXPORT_SYMBOL(security_inode_invalidate_secctx); + int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) { return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen); @@ -1313,15 +1320,16 @@ void security_sk_clone(const struct sock *sk, struct sock *newsk) } EXPORT_SYMBOL(security_sk_clone); -void security_sk_classify_flow(struct sock *sk, struct flowi *fl) +void security_sk_classify_flow(struct sock *sk, struct flowi_common *flic) { - call_void_hook(sk_getsecid, sk, &fl->flowi_secid); + call_void_hook(sk_getsecid, sk, &flic->flowic_secid); } EXPORT_SYMBOL(security_sk_classify_flow); -void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) +void security_req_classify_flow(const struct request_sock *req, + struct flowi_common *flic) { - call_void_hook(req_classify_flow, req, fl); + call_void_hook(req_classify_flow, req, flic); } EXPORT_SYMBOL(security_req_classify_flow); @@ -1464,7 +1472,7 @@ int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) int security_xfrm_state_pol_flow_match(struct xfrm_state *x, struct xfrm_policy *xp, - const struct flowi *fl) + const struct flowi_common *flic) { struct security_hook_list *hp; int rc = 1; @@ -1480,7 +1488,7 @@ int security_xfrm_state_pol_flow_match(struct xfrm_state *x, */ list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match, list) { - rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl); + rc = hp->hook.xfrm_state_pol_flow_match(x, xp, flic); break; } return rc; @@ -1491,9 +1499,9 @@ int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) return call_int_hook(xfrm_decode_session, 0, skb, secid, 1); } -void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) +void security_skb_classify_flow(struct sk_buff *skb, struct flowi_common *flic) { - int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid, + int rc = call_int_hook(xfrm_decode_session, 0, skb, &flic->flowic_secid, 0); BUG_ON(rc); @@ -1554,6 +1562,37 @@ int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, } #endif /* CONFIG_AUDIT */ +#ifdef CONFIG_BPF_SYSCALL +int security_bpf(int cmd, union bpf_attr *attr, unsigned int size) +{ + return call_int_hook(bpf, 0, cmd, attr, size); +} +int security_bpf_map(struct bpf_map *map, fmode_t fmode) +{ + return call_int_hook(bpf_map, 0, map, fmode); +} +int security_bpf_prog(struct bpf_prog *prog) +{ + return call_int_hook(bpf_prog, 0, prog); +} +int security_bpf_map_alloc(struct bpf_map *map) +{ + return call_int_hook(bpf_map_alloc_security, 0, map); +} +int security_bpf_prog_alloc(struct bpf_prog_aux *aux) +{ + return call_int_hook(bpf_prog_alloc_security, 0, aux); +} +void security_bpf_map_free(struct bpf_map *map) +{ + call_void_hook(bpf_map_free_security, map); +} +void security_bpf_prog_free(struct bpf_prog_aux *aux) +{ + call_void_hook(bpf_prog_free_security, aux); +} +#endif /* CONFIG_BPF_SYSCALL */ + struct security_hook_heads security_hook_heads = { .binder_set_context_mgr = LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr), @@ -1781,6 +1820,8 @@ struct security_hook_heads security_hook_heads = { LIST_HEAD_INIT(security_hook_heads.secctx_to_secid), .release_secctx = LIST_HEAD_INIT(security_hook_heads.release_secctx), + .inode_invalidate_secctx = + LIST_HEAD_INIT(security_hook_heads.inode_invalidate_secctx), .inode_notifysecctx = LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx), .inode_setsecctx = @@ -1900,4 +1941,20 @@ struct security_hook_heads security_hook_heads = { .audit_rule_free = LIST_HEAD_INIT(security_hook_heads.audit_rule_free), #endif /* CONFIG_AUDIT */ +#ifdef CONFIG_BPF_SYSCALL + .bpf = + LIST_HEAD_INIT(security_hook_heads.bpf), + .bpf_map = + LIST_HEAD_INIT(security_hook_heads.bpf_map), + .bpf_prog = + LIST_HEAD_INIT(security_hook_heads.bpf_prog), + .bpf_map_alloc_security = + LIST_HEAD_INIT(security_hook_heads.bpf_map_alloc_security), + .bpf_map_free_security = + LIST_HEAD_INIT(security_hook_heads.bpf_map_free_security), + .bpf_prog_alloc_security = + LIST_HEAD_INIT(security_hook_heads.bpf_prog_alloc_security), + .bpf_prog_free_security = + LIST_HEAD_INIT(security_hook_heads.bpf_prog_free_security), +#endif /* CONFIG_BPF_SYSCALL */ }; 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