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-rw-r--r--security/security.c58
1 files changed, 1 insertions, 57 deletions
diff --git a/security/security.c b/security/security.c
index 2e1b35dd2550..0e1f1f124368 100644
--- a/security/security.c
+++ b/security/security.c
@@ -71,8 +71,7 @@ int __init security_init(void)
71 * 71 *
72 * This function is to allow a security module to register itself with the 72 * This function is to allow a security module to register itself with the
73 * kernel security subsystem. Some rudimentary checking is done on the @ops 73 * kernel security subsystem. Some rudimentary checking is done on the @ops
74 * value passed to this function. A call to unregister_security() should be 74 * value passed to this function.
75 * done to remove this security_options structure from the kernel.
76 * 75 *
77 * If there is already a security module registered with the kernel, 76 * If there is already a security module registered with the kernel,
78 * an error will be returned. Otherwise 0 is returned on success. 77 * an error will be returned. Otherwise 0 is returned on success.
@@ -94,31 +93,6 @@ int register_security(struct security_operations *ops)
94} 93}
95 94
96/** 95/**
97 * unregister_security - unregisters a security framework with the kernel
98 * @ops: a pointer to the struct security_options that is to be registered
99 *
100 * This function removes a struct security_operations variable that had
101 * previously been registered with a successful call to register_security().
102 *
103 * If @ops does not match the valued previously passed to register_security()
104 * an error is returned. Otherwise the default security options is set to the
105 * the dummy_security_ops structure, and 0 is returned.
106 */
107int unregister_security(struct security_operations *ops)
108{
109 if (ops != security_ops) {
110 printk(KERN_INFO "%s: trying to unregister "
111 "a security_opts structure that is not "
112 "registered, failing.\n", __FUNCTION__);
113 return -EINVAL;
114 }
115
116 security_ops = &dummy_security_ops;
117
118 return 0;
119}
120
121/**
122 * mod_reg_security - allows security modules to be "stacked" 96 * mod_reg_security - allows security modules to be "stacked"
123 * @name: a pointer to a string with the name of the security_options to be registered 97 * @name: a pointer to a string with the name of the security_options to be registered
124 * @ops: a pointer to the struct security_options that is to be registered 98 * @ops: a pointer to the struct security_options that is to be registered
@@ -147,30 +121,6 @@ int mod_reg_security(const char *name, struct security_operations *ops)
147 return security_ops->register_security(name, ops); 121 return security_ops->register_security(name, ops);
148} 122}
149 123
150/**
151 * mod_unreg_security - allows a security module registered with mod_reg_security() to be unloaded
152 * @name: a pointer to a string with the name of the security_options to be removed
153 * @ops: a pointer to the struct security_options that is to be removed
154 *
155 * This function allows security modules that have been successfully registered
156 * with a call to mod_reg_security() to be unloaded from the system.
157 * This calls the currently loaded security module's unregister_security() call
158 * with the @name and @ops variables.
159 *
160 * The return value depends on the currently loaded security module, with 0 as
161 * success.
162 */
163int mod_unreg_security(const char *name, struct security_operations *ops)
164{
165 if (ops == security_ops) {
166 printk(KERN_INFO "%s invalid attempt to unregister "
167 " primary security ops.\n", __FUNCTION__);
168 return -EINVAL;
169 }
170
171 return security_ops->unregister_security(name, ops);
172}
173
174/* Security operations */ 124/* Security operations */
175 125
176int security_ptrace(struct task_struct *parent, struct task_struct *child) 126int security_ptrace(struct task_struct *parent, struct task_struct *child)
@@ -528,11 +478,6 @@ int security_inode_killpriv(struct dentry *dentry)
528 return security_ops->inode_killpriv(dentry); 478 return security_ops->inode_killpriv(dentry);
529} 479}
530 480
531const char *security_inode_xattr_getsuffix(void)
532{
533 return security_ops->inode_xattr_getsuffix();
534}
535
536int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err) 481int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
537{ 482{
538 if (unlikely(IS_PRIVATE(inode))) 483 if (unlikely(IS_PRIVATE(inode)))
@@ -858,7 +803,6 @@ int security_netlink_send(struct sock *sk, struct sk_buff *skb)
858{ 803{
859 return security_ops->netlink_send(sk, skb); 804 return security_ops->netlink_send(sk, skb);
860} 805}
861EXPORT_SYMBOL(security_netlink_send);
862 806
863int security_netlink_recv(struct sk_buff *skb, int cap) 807int security_netlink_recv(struct sk_buff *skb, int cap)
864{ 808{