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-rw-r--r--include/linux/security.h20
-rw-r--r--security/capability.c8
-rw-r--r--security/keys/keyctl.c7
-rw-r--r--security/security.c7
4 files changed, 0 insertions, 42 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index 73505f0c9b75..ac536eedec90 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1067,13 +1067,6 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
* Return the length of the string (including terminating NUL) or -ve if
* an error.
* May also return 0 (and a NULL buffer pointer) if there is no label.
- * @key_session_to_parent:
- * Forcibly assign the session keyring from a process to its parent
- * process.
- * @cred: Pointer to process's credentials
- * @parent_cred: Pointer to parent process's credentials
- * @keyring: Proposed new session keyring
- * Return 0 if permission is granted, -ve error otherwise.
*
* Security hooks affecting all System V IPC operations.
*
@@ -1642,9 +1635,6 @@ struct security_operations {
const struct cred *cred,
key_perm_t perm);
int (*key_getsecurity)(struct key *key, char **_buffer);
- int (*key_session_to_parent)(const struct cred *cred,
- const struct cred *parent_cred,
- struct key *key);
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
@@ -2918,9 +2908,6 @@ void security_key_free(struct key *key);
int security_key_permission(key_ref_t key_ref,
const struct cred *cred, key_perm_t perm);
int security_key_getsecurity(struct key *key, char **_buffer);
-int security_key_session_to_parent(const struct cred *cred,
- const struct cred *parent_cred,
- struct key *key);
#else
@@ -2948,13 +2935,6 @@ static inline int security_key_getsecurity(struct key *key, char **_buffer)
return 0;
}
-static inline int security_key_session_to_parent(const struct cred *cred,
- const struct cred *parent_cred,
- struct key *key)
-{
- return 0;
-}
-
#endif
#endif /* CONFIG_KEYS */
diff --git a/security/capability.c b/security/capability.c
index 247c04edd468..8cc2b8f3b166 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -826,13 +826,6 @@ static int cap_key_getsecurity(struct key *key, char **_buffer)
return 0;
}
-static int cap_key_session_to_parent(const struct cred *cred,
- const struct cred *parent_cred,
- struct key *key)
-{
- return 0;
-}
-
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
@@ -1053,7 +1046,6 @@ void security_fixup_ops(struct security_operations *ops)
set_to_cap_if_null(ops, key_free);
set_to_cap_if_null(ops, key_permission);
set_to_cap_if_null(ops, key_getsecurity);
- set_to_cap_if_null(ops, key_session_to_parent);
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
set_to_cap_if_null(ops, audit_rule_init);
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index e9c2e7c584d9..34b302b40dea 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1295,13 +1295,6 @@ long keyctl_session_to_parent(void)
mycred->tgcred->session_keyring->uid != mycred->euid)
goto not_permitted;
- /* the LSM must permit the replacement of the parent's keyring with the
- * keyring from this process */
- ret = security_key_session_to_parent(mycred, pcred,
- key_ref_to_ptr(keyring_r));
- if (ret < 0)
- goto not_permitted;
-
/* if there's an already pending keyring replacement, then we replace
* that */
oldcred = parent->replacement_session_keyring;
diff --git a/security/security.c b/security/security.c
index 5cf9ca6890f6..490f77753b2d 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1262,13 +1262,6 @@ int security_key_getsecurity(struct key *key, char **_buffer)
return security_ops->key_getsecurity(key, _buffer);
}
-int security_key_session_to_parent(const struct cred *cred,
- const struct cred *parent_cred,
- struct key *key)
-{
- return security_ops->key_session_to_parent(cred, parent_cred, key);
-}
-
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT