c05b26763a
1) Instead of a set of predefined commands, we send MSG_AGENT_TO_SERVER_TRIGGER_CONNECT_EXISTING msg with a parameter (e.g. "org.qubes-os.vm.Filecopy") defining required action 2) qrexec_daemon just forks qrexec_policy, that will take care of actually allowing and executing required action 3) after MSG_AGENT_TO_SERVER_TRIGGER_CONNECT_EXISTING, qrexec_agent does not execute a command - it justs uses already established file descriptors to send data to/from. Thus, there is no need to use ~/.xxxxxspool - a command line tool can have direct access to remote fds.
74 lines
1.9 KiB
C
74 lines
1.9 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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#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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enum {
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MSG_CLIENT_TO_SERVER_EXEC_CMDLINE = 0x100,
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MSG_CLIENT_TO_SERVER_JUST_EXEC,
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MSG_SERVER_TO_AGENT_CONNECT_EXISTING,
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MSG_SERVER_TO_AGENT_EXEC_CMDLINE,
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MSG_SERVER_TO_AGENT_JUST_EXEC,
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MSG_SERVER_TO_AGENT_INPUT,
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MSG_SERVER_TO_AGENT_CLIENT_END,
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MSG_XOFF,
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MSG_XON,
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MSG_AGENT_TO_SERVER_STDOUT,
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MSG_AGENT_TO_SERVER_STDERR,
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MSG_AGENT_TO_SERVER_EXIT_CODE,
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MSG_AGENT_TO_SERVER_TRIGGER_CONNECT_EXISTING,
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MSG_SERVER_TO_CLIENT_STDOUT,
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MSG_SERVER_TO_CLIENT_STDERR,
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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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