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Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security

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* 'for-linus' of git://selinuxproject.org/~jmorris/linux-security:
  capabilities: remove __cap_full_set definition
  security: remove the security_netlink_recv hook as it is equivalent to capable()
  ptrace: do not audit capability check when outputing /proc/pid/stat
  capabilities: remove task_ns_* functions
  capabitlies: ns_capable can use the cap helpers rather than lsm call
  capabilities: style only - move capable below ns_capable
  capabilites: introduce new has_ns_capabilities_noaudit
  capabilities: call has_ns_capability from has_capability
  capabilities: remove all _real_ interfaces
  capabilities: introduce security_capable_noaudit
  capabilities: reverse arguments to security_capable
  capabilities: remove the task from capable LSM hook entirely
  selinux: sparse fix: fix several warnings in the security server cod
  selinux: sparse fix: fix warnings in netlink code
  selinux: sparse fix: eliminate warnings for selinuxfs
  selinux: sparse fix: declare selinux_disable() in security.h
  selinux: sparse fix: move selinux_complete_init
  selinux: sparse fix: make selinux_secmark_refcount static
  SELinux: Fix RCU deref check warning in sel_netport_insert()

Manually fix up a semantic mis-merge wrt security_netlink_recv():

 - the interface was removed in commit fd77846152 ("security: remove
   the security_netlink_recv hook as it is equivalent to capable()")

 - a new user of it appeared in commit a38f7907b9 ("crypto: Add
   userspace configuration API")

causing no automatic merge conflict, but Eric Paris pointed out the
issue.
This commit is contained in:
Linus Torvalds 2012-01-14 18:36:33 -08:00
commit c49c41a413
24 changed files with 134 additions and 203 deletions
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60
include/linux/security.h
View file

@ -54,8 +54,8 @@ struct user_namespace;
* These functions are in security/capability.c and are used
* as the default capabilities functions
*/
extern int cap_capable(struct task_struct *tsk, const struct cred *cred,
struct user_namespace *ns, int cap, int audit);
extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
int cap, int audit);
extern int cap_settime(const struct timespec *ts, const struct timezone *tz);
extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
extern int cap_ptrace_traceme(struct task_struct *parent);
@ -96,7 +96,6 @@ struct xfrm_user_sec_ctx;
struct seq_file;
extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
extern int cap_netlink_recv(struct sk_buff *skb, int cap);
void reset_security_ops(void);
@ -799,12 +798,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* @skb contains the sk_buff structure for the netlink message.
* Return 0 if the information was successfully saved and message
* is allowed to be transmitted.
* @netlink_recv:
* Check permission before processing the received netlink message in
* @skb.
* @skb contains the sk_buff structure for the netlink message.
* @cap indicates the capability required
* Return 0 if permission is granted.
*
* Security hooks for Unix domain networking.
*
@ -1268,7 +1261,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* @capable:
* Check whether the @tsk process has the @cap capability in the indicated
* credentials.
* @tsk contains the task_struct for the process.
* @cred contains the credentials to use.
* @ns contains the user namespace we want the capability in
* @cap contains the capability <include/linux/capability.h>.
@ -1392,8 +1384,8 @@ struct security_operations {
const kernel_cap_t *effective,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted);
int (*capable) (struct task_struct *tsk, const struct cred *cred,
struct user_namespace *ns, int cap, int audit);
int (*capable) (const struct cred *cred, struct user_namespace *ns,
int cap, int audit);
int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
int (*quota_on) (struct dentry *dentry);
int (*syslog) (int type);
@ -1563,7 +1555,6 @@ struct security_operations {
struct sembuf *sops, unsigned nsops, int alter);
int (*netlink_send) (struct sock *sk, struct sk_buff *skb);
int (*netlink_recv) (struct sk_buff *skb, int cap);
void (*d_instantiate) (struct dentry *dentry, struct inode *inode);
@ -1675,12 +1666,10 @@ int security_capset(struct cred *new, const struct cred *old,
const kernel_cap_t *effective,
const kernel_cap_t *inheritable,
const kernel_cap_t *permitted);
int security_capable(struct user_namespace *ns, const struct cred *cred,
int security_capable(const struct cred *cred, struct user_namespace *ns,
int cap);
int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
int cap);
int security_real_capable_noaudit(struct task_struct *tsk,
struct user_namespace *ns, int cap);
int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
int cap);
int security_quotactl(int cmds, int type, int id, struct super_block *sb);
int security_quota_on(struct dentry *dentry);
int security_syslog(int type);
@ -1817,7 +1806,6 @@ void security_d_instantiate(struct dentry *dentry, struct inode *inode);
int security_getprocattr(struct task_struct *p, char *name, char **value);
int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size);
int security_netlink_send(struct sock *sk, struct sk_buff *skb);
int security_netlink_recv(struct sk_buff *skb, int cap);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
void security_release_secctx(char *secdata, u32 seclen);
@ -1875,32 +1863,15 @@ static inline int security_capset(struct cred *new,
return cap_capset(new, old, effective, inheritable, permitted);
}
static inline int security_capable(struct user_namespace *ns,
const struct cred *cred, int cap)
static inline int security_capable(const struct cred *cred,
struct user_namespace *ns, int cap)
{
return cap_capable(current, cred, ns, cap, SECURITY_CAP_AUDIT);
return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
}
static inline int security_real_capable(struct task_struct *tsk, struct user_namespace *ns, int cap)
{
int ret;
rcu_read_lock();
ret = cap_capable(tsk, __task_cred(tsk), ns, cap, SECURITY_CAP_AUDIT);
rcu_read_unlock();
return ret;
}
static inline
int security_real_capable_noaudit(struct task_struct *tsk, struct user_namespace *ns, int cap)
{
int ret;
rcu_read_lock();
ret = cap_capable(tsk, __task_cred(tsk), ns, cap,
SECURITY_CAP_NOAUDIT);
rcu_read_unlock();
return ret;
static inline int security_capable_noaudit(const struct cred *cred,
struct user_namespace *ns, int cap) {
return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
}
static inline int security_quotactl(int cmds, int type, int id,
@ -2517,11 +2488,6 @@ static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
return cap_netlink_send(sk, skb);
}
static inline int security_netlink_recv(struct sk_buff *skb, int cap)
{
return cap_netlink_recv(skb, cap);
}
static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
return -EOPNOTSUPP;