/*
* the key control system call, 32-bit compatibility version for 64-bit archs
* - this should only be called if the 64-bit arch uses weird pointers in
* 32-bit mode or doesn't guarantee that the top 32-bits of the argument
* registers on taking a 32-bit syscall are zero
* - if you can, you should call sys_keyctl directly
*/
asmlinkage long compat_sys_keyctl(u32 option,
u32 arg2, u32 arg3, u32 arg4, u32 arg5)
{
switch (option) {
case KEYCTL_GET_KEYRING_ID:
return keyctl_get_keyring_ID(arg2, arg3);
case KEYCTL_JOIN_SESSION_KEYRING:
return keyctl_join_session_keyring(compat_ptr(arg2));
case KEYCTL_UPDATE:
return keyctl_update_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_REVOKE:
return keyctl_revoke_key(arg2);
case KEYCTL_DESCRIBE:
return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_CLEAR:
return keyctl_keyring_clear(arg2);
case KEYCTL_LINK:
return keyctl_keyring_link(arg2, arg3);
case KEYCTL_UNLINK:
return keyctl_keyring_unlink(arg2, arg3);
case KEYCTL_SEARCH:
return keyctl_keyring_search(arg2, compat_ptr(arg3),
compat_ptr(arg4), arg5);
case KEYCTL_READ:
return keyctl_read_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_CHOWN:
return keyctl_chown_key(arg2, arg3, arg4);
case KEYCTL_SETPERM:
return keyctl_setperm_key(arg2, arg3);
case KEYCTL_INSTANTIATE:
return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
arg5);
case KEYCTL_NEGATE:
return keyctl_negate_key(arg2, arg3, arg4);
default:
return -EOPNOTSUPP;
}
} /* end compat_sys_keyctl() */
static void
setup (void *arg)
{
key_serial_t keyring;
struct passwd *pw;
expect_message = NULL;
keyring = keyctl_join_session_keyring (NULL);
assert (keyring >= 0);
pw = getpwuid (getuid ());
assert (pw != NULL);
user = strdup (pw->pw_name);
assert (user != NULL);
}
/*
* the key control system call, 32-bit compatibility version for 64-bit archs
* - this should only be called if the 64-bit arch uses weird pointers in
* 32-bit mode or doesn't guarantee that the top 32-bits of the argument
* registers on taking a 32-bit syscall are zero
* - if you can, you should call sys_keyctl directly
*/
asmlinkage long compat_sys_keyctl(u32 option,
u32 arg2, u32 arg3, u32 arg4, u32 arg5)
{
switch (option) {
case KEYCTL_GET_KEYRING_ID:
return keyctl_get_keyring_ID(arg2, arg3);
case KEYCTL_JOIN_SESSION_KEYRING:
return keyctl_join_session_keyring(compat_ptr(arg2));
case KEYCTL_UPDATE:
return keyctl_update_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_REVOKE:
return keyctl_revoke_key(arg2);
case KEYCTL_DESCRIBE:
return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_CLEAR:
return keyctl_keyring_clear(arg2);
case KEYCTL_LINK:
return keyctl_keyring_link(arg2, arg3);
case KEYCTL_UNLINK:
return keyctl_keyring_unlink(arg2, arg3);
case KEYCTL_SEARCH:
return keyctl_keyring_search(arg2, compat_ptr(arg3),
compat_ptr(arg4), arg5);
case KEYCTL_READ:
return keyctl_read_key(arg2, compat_ptr(arg3), arg4);
case KEYCTL_CHOWN:
return keyctl_chown_key(arg2, arg3, arg4);
case KEYCTL_SETPERM:
return keyctl_setperm_key(arg2, arg3);
case KEYCTL_INSTANTIATE:
return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
arg5);
case KEYCTL_NEGATE:
return keyctl_negate_key(arg2, arg3, arg4);
case KEYCTL_SET_REQKEY_KEYRING:
return keyctl_set_reqkey_keyring(arg2);
case KEYCTL_SET_TIMEOUT:
return keyctl_set_timeout(arg2, arg3);
case KEYCTL_ASSUME_AUTHORITY:
return keyctl_assume_authority(arg2);
case KEYCTL_GET_SECURITY:
return keyctl_get_security(arg2, compat_ptr(arg3), arg4);
case KEYCTL_SESSION_TO_PARENT:
return keyctl_session_to_parent();
default:
return -EOPNOTSUPP;
}
} /* end compat_sys_keyctl() */
int
sys_keyctl(struct tcb *tcp)
{
int cmd = tcp->u_arg[0];
if (entering(tcp))
printxval(keyctl_commands, cmd, "KEYCTL_???");
switch (cmd) {
case KEYCTL_GET_KEYRING_ID:
return keyctl_get_keyring_id(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_JOIN_SESSION_KEYRING:
return keyctl_join_session_keyring(tcp, tcp->u_arg[1]);
case KEYCTL_UPDATE:
return keyctl_update_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_REVOKE:
case KEYCTL_CLEAR:
case KEYCTL_INVALIDATE:
case KEYCTL_ASSUME_AUTHORITY:
return keyctl_handle_key(tcp, tcp->u_arg[1]);
case KEYCTL_LINK:
case KEYCTL_UNLINK:
return keyctl_handle_key_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_DESCRIBE:
case KEYCTL_READ:
case KEYCTL_GET_SECURITY:
return keyctl_read_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SEARCH:
return keyctl_keyring_search(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_CHOWN:
return keyctl_chown_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SETPERM:
return keyctl_setperm_key(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_INSTANTIATE:
return keyctl_instantiate_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_NEGATE:
return keyctl_negate_key(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3]);
case KEYCTL_SET_REQKEY_KEYRING:
return keyctl_set_reqkey_keyring(tcp, tcp->u_arg[1]);
case KEYCTL_SET_TIMEOUT:
return keyctl_set_timeout(tcp, tcp->u_arg[1], tcp->u_arg[2]);
case KEYCTL_SESSION_TO_PARENT:
return 0;
case KEYCTL_REJECT:
return keyctl_reject_key(tcp, tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
case KEYCTL_INSTANTIATE_IOV:
return keyctl_instantiate_key_iov(tcp, tcp->u_arg[1],
tcp->u_arg[2], tcp->u_arg[3],
tcp->u_arg[4]);
case KEYCTL_GET_PERSISTENT:
return keyctl_get_persistent(tcp, tcp->u_arg[1], tcp->u_arg[2]);
default:
if (entering(tcp))
tprintf(", %#lx, %#lx, %#lx, %#lx",
tcp->u_arg[1], tcp->u_arg[2],
tcp->u_arg[3], tcp->u_arg[4]);
}
return 0;
}
/*
* the key control system call
*/
asmlinkage long sys_keyctl(int option, unsigned long arg2, unsigned long arg3,
unsigned long arg4, unsigned long arg5)
{
switch (option) {
case KEYCTL_GET_KEYRING_ID:
return keyctl_get_keyring_ID((key_serial_t) arg2,
(int) arg3);
case KEYCTL_JOIN_SESSION_KEYRING:
return keyctl_join_session_keyring((const char __user *) arg2);
case KEYCTL_UPDATE:
return keyctl_update_key((key_serial_t) arg2,
(const void __user *) arg3,
(size_t) arg4);
case KEYCTL_REVOKE:
return keyctl_revoke_key((key_serial_t) arg2);
case KEYCTL_DESCRIBE:
return keyctl_describe_key((key_serial_t) arg2,
(char __user *) arg3,
(unsigned) arg4);
case KEYCTL_CLEAR:
return keyctl_keyring_clear((key_serial_t) arg2);
case KEYCTL_LINK:
return keyctl_keyring_link((key_serial_t) arg2,
(key_serial_t) arg3);
case KEYCTL_UNLINK:
return keyctl_keyring_unlink((key_serial_t) arg2,
(key_serial_t) arg3);
case KEYCTL_SEARCH:
return keyctl_keyring_search((key_serial_t) arg2,
(const char __user *) arg3,
(const char __user *) arg4,
(key_serial_t) arg5);
case KEYCTL_READ:
return keyctl_read_key((key_serial_t) arg2,
(char __user *) arg3,
(size_t) arg4);
case KEYCTL_CHOWN:
return keyctl_chown_key((key_serial_t) arg2,
(uid_t) arg3,
(gid_t) arg4);
case KEYCTL_SETPERM:
return keyctl_setperm_key((key_serial_t) arg2,
(key_perm_t) arg3);
case KEYCTL_INSTANTIATE:
return keyctl_instantiate_key((key_serial_t) arg2,
(const void __user *) arg3,
(size_t) arg4,
(key_serial_t) arg5);
case KEYCTL_NEGATE:
return keyctl_negate_key((key_serial_t) arg2,
(unsigned) arg3,
(key_serial_t) arg4);
case KEYCTL_SET_REQKEY_KEYRING:
return keyctl_set_reqkey_keyring(arg2);
default:
return -EOPNOTSUPP;
}
} /* end sys_keyctl() */
