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, 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(); case KEYCTL_REJECT: return keyctl_reject_key(arg2, arg3, arg4, arg5); case KEYCTL_INSTANTIATE_IOV: return compat_keyctl_instantiate_key_iov( arg2, compat_ptr(arg3), arg4, arg5); default: return -EOPNOTSUPP; } }