CRED: Make execve() take advantage of copy-on-write credentials

[linux-2.6-block.git] / security / capability.c

diff --git a/security/capability.c b/security/capability.c
index 2458748190361328b3862092c82563fbb587bcf1..185804f99ad13a8913f0c5199e70ae27528fca8e 100644 (file)
--- a/security/capability.c
+++ b/security/capability.c
@@ -32,24 +32,19 @@ static int cap_quota_on(struct dentry *dentry)
        return 0;
 }
 
-static int cap_bprm_alloc_security(struct linux_binprm *bprm)
+static int cap_bprm_check_security (struct linux_binprm *bprm)
 {
        return 0;
 }
 
-static void cap_bprm_free_security(struct linux_binprm *bprm)
+static void cap_bprm_committing_creds(struct linux_binprm *bprm)
 {
 }
 
-static void cap_bprm_post_apply_creds(struct linux_binprm *bprm)
+static void cap_bprm_committed_creds(struct linux_binprm *bprm)
 {
 }
 
-static int cap_bprm_check_security(struct linux_binprm *bprm)
-{
-       return 0;
-}
-
 static int cap_sb_alloc_security(struct super_block *sb)
 {
        return 0;
@@ -330,7 +325,7 @@ static int cap_file_receive(struct file *file)
        return 0;
 }
 
-static int cap_dentry_open(struct file *file)
+static int cap_dentry_open(struct file *file, const struct cred *cred)
 {
        return 0;
 }
@@ -340,12 +335,16 @@ static int cap_task_create(unsigned long clone_flags)
        return 0;
 }
 
-static int cap_task_alloc_security(struct task_struct *p)
+static void cap_cred_free(struct cred *cred)
+{
+}
+
+static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
 {
        return 0;
 }
 
-static void cap_task_free_security(struct task_struct *p)
+static void cap_cred_commit(struct cred *new, const struct cred *old)
 {
 }
 
@@ -750,7 +749,7 @@ static void cap_release_secctx(char *secdata, u32 seclen)
 }
 
 #ifdef CONFIG_KEYS
-static int cap_key_alloc(struct key *key, struct task_struct *ctx,
+static int cap_key_alloc(struct key *key, const struct cred *cred,
                         unsigned long flags)
 {
        return 0;
@@ -760,7 +759,7 @@ static void cap_key_free(struct key *key)
 {
 }
 
-static int cap_key_permission(key_ref_t key_ref, struct task_struct *context,
+static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
                              key_perm_t perm)
 {
        return 0;
@@ -814,8 +813,7 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, ptrace_may_access);
        set_to_cap_if_null(ops, ptrace_traceme);
        set_to_cap_if_null(ops, capget);
-       set_to_cap_if_null(ops, capset_check);
-       set_to_cap_if_null(ops, capset_set);
+       set_to_cap_if_null(ops, capset);
        set_to_cap_if_null(ops, acct);
        set_to_cap_if_null(ops, capable);
        set_to_cap_if_null(ops, quotactl);
@@ -824,11 +822,9 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, syslog);
        set_to_cap_if_null(ops, settime);
        set_to_cap_if_null(ops, vm_enough_memory);
-       set_to_cap_if_null(ops, bprm_alloc_security);
-       set_to_cap_if_null(ops, bprm_free_security);
-       set_to_cap_if_null(ops, bprm_apply_creds);
-       set_to_cap_if_null(ops, bprm_post_apply_creds);
-       set_to_cap_if_null(ops, bprm_set_security);
+       set_to_cap_if_null(ops, bprm_set_creds);
+       set_to_cap_if_null(ops, bprm_committing_creds);
+       set_to_cap_if_null(ops, bprm_committed_creds);
        set_to_cap_if_null(ops, bprm_check_security);
        set_to_cap_if_null(ops, bprm_secureexec);
        set_to_cap_if_null(ops, sb_alloc_security);
@@ -890,10 +886,11 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, file_receive);
        set_to_cap_if_null(ops, dentry_open);
        set_to_cap_if_null(ops, task_create);
-       set_to_cap_if_null(ops, task_alloc_security);
-       set_to_cap_if_null(ops, task_free_security);
+       set_to_cap_if_null(ops, cred_free);
+       set_to_cap_if_null(ops, cred_prepare);
+       set_to_cap_if_null(ops, cred_commit);
        set_to_cap_if_null(ops, task_setuid);
-       set_to_cap_if_null(ops, task_post_setuid);
+       set_to_cap_if_null(ops, task_fix_setuid);
        set_to_cap_if_null(ops, task_setgid);
        set_to_cap_if_null(ops, task_setpgid);
        set_to_cap_if_null(ops, task_getpgid);
@@ -910,7 +907,6 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, task_wait);
        set_to_cap_if_null(ops, task_kill);
        set_to_cap_if_null(ops, task_prctl);
-       set_to_cap_if_null(ops, task_reparent_to_init);
        set_to_cap_if_null(ops, task_to_inode);
        set_to_cap_if_null(ops, ipc_permission);
        set_to_cap_if_null(ops, ipc_getsecid);