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107 lines
3.5 KiB
107 lines
3.5 KiB
/*
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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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#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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enum {
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/* messages from qrexec_client to qrexec_daemon (both in dom0) */
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/* start process in VM and pass its stdin/out/err to dom0 */
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MSG_CLIENT_TO_SERVER_EXEC_CMDLINE = 0x100,
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/* start process in VM discarding its stdin/out/err (connect to /dev/null) */
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MSG_CLIENT_TO_SERVER_JUST_EXEC,
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/* connect to existing process in VM to receive its stdin/out/err
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* struct connect_existing_params passed as data */
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MSG_CLIENT_TO_SERVER_CONNECT_EXISTING,
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/* messages qrexec_daemon(dom0)->qrexec_agent(VM) */
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/* same as MSG_CLIENT_TO_SERVER_CONNECT_EXISTING */
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MSG_SERVER_TO_AGENT_CONNECT_EXISTING,
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/* same as MSG_CLIENT_TO_SERVER_EXEC_CMDLINE */
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MSG_SERVER_TO_AGENT_EXEC_CMDLINE,
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/* same as MSG_CLIENT_TO_SERVER_JUST_EXEC */
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MSG_SERVER_TO_AGENT_JUST_EXEC,
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/* pass data to process stdin */
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MSG_SERVER_TO_AGENT_INPUT,
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/* detach from process; qrexec_agent should close pipes to process
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* stdin/out/err; it's up to the VM child process if it cause its termination */
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MSG_SERVER_TO_AGENT_CLIENT_END,
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/* flow control, qrexec_daemon->qrexec_agent */
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/* suspend reading of named fd from child process */
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MSG_XOFF,
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/* resume reading of named fd from child process */
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MSG_XON,
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/* messages qrexec_agent(VM)->qrexec_daemon(dom0) */
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/* pass data from process stdout */
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MSG_AGENT_TO_SERVER_STDOUT,
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/* pass data from process stderr */
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MSG_AGENT_TO_SERVER_STDERR,
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/* inform that process terminated and pass its exit code; this should be
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* send after all data from stdout/err are send */
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MSG_AGENT_TO_SERVER_EXIT_CODE,
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/* call Qubes RPC service
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* struct trigger_connect_params passed as data */
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MSG_AGENT_TO_SERVER_TRIGGER_CONNECT_EXISTING,
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/* messages qrexec_daemon->qrexec_client (both in dom0) */
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/* same as MSG_AGENT_TO_SERVER_STDOUT */
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MSG_SERVER_TO_CLIENT_STDOUT,
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/* same as MSG_AGENT_TO_SERVER_STDERR */
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MSG_SERVER_TO_CLIENT_STDERR,
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/* same as MSG_AGENT_TO_SERVER_EXIT_CODE */
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MSG_SERVER_TO_CLIENT_EXIT_CODE
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};
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struct server_header {
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unsigned int type;
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unsigned int client_id;
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unsigned int len;
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};
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struct client_header {
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unsigned int type;
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unsigned int len;
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};
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struct connect_existing_params {
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char ident[32];
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};
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struct trigger_connect_params {
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char exec_index[64];
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char target_vmname[32];
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struct connect_existing_params process_fds;
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};
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