109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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* The Qubes OS Project, http://www.qubes-os.org
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*
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* Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/* See also http://wiki.qubes-os.org/trac/wiki/Qrexec */
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#include <stdint.h>
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#define QREXEC_DAEMON_SOCKET_DIR "/var/run/qubes"
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#define MAX_FDS 256
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#define MAX_DATA_CHUNK 4096
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#define REXEC_PORT 512
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#define QREXEC_AGENT_TRIGGER_PATH "/var/run/qubes/qrexec-agent"
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#define QREXEC_AGENT_FDPASS_PATH "/var/run/qubes/qrexec-agent-fdpass"
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#define MEMINFO_WRITER_PIDFILE "/var/run/meminfo-writer.pid"
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#define QUBES_RPC_MULTIPLEXER_PATH "/usr/lib/qubes/qubes-rpc-multiplexer"
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#define QUBES_RPC_MAGIC_CMD "QUBESRPC"
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/* Messages sent over control vchan between daemon(dom0) and agent(vm).
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* The same are used between client(dom0) and daemon(dom0).
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*/
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enum {
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/* daemon->agent messages */
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/* start process in VM and pass its stdin/out/err to dom0
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* struct exec_params passed as data */
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MSG_EXEC_CMDLINE = 0x200,
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/* start process in VM discarding its stdin/out/err (connect to /dev/null)
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* struct exec_params passed as data */
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MSG_JUST_EXEC,
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/* connect to existing process in VM to receive its stdin/out/err
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* struct service_params passed as cmdline field in exec_params */
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MSG_SERVICE_CONNECT,
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/* refuse to start a service (denied by policy, invalid parameters etc)
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* struct service_params passed as data to identify which service call was
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* refused */
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MSG_SERVICE_REFUSED,
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/* agent->daemon messages */
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/* call Qubes RPC service
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* struct trigger_service_params passed as data */
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MSG_TRIGGER_SERVICE = 0x210,
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};
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/* daemon<->agent and daemon->client */
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struct server_header {
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uint32_t type;
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uint32_t connect_domain;
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uint32_t connect_port;
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uint32_t len;
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};
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/* client->daemon */
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struct client_header {
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uint32_t type;
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uint32_t len;
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};
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struct service_params {
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char ident[32];
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};
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struct trigger_service_params {
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char service_name[64];
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char target_domain[32];
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struct service_params process_fds;
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};
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/* data vchan client<->agent, separate for each VM process */
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enum {
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/* stdin dom0->VM */
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MSG_DATA_STDIN = 0x190,
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/* stdout VM->dom0 */
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MSG_DATA_STDOUT,
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/* stderr VM->dom0 */
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MSG_DATA_STDERR,
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/* VM process exit code VM->dom0 (int) */
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MSG_DATA_EXIT_CODE,
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};
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struct data_header {
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uint32_t type;
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uint32_t len;
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};
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