core-admin/appvm/qubes_penctl.c

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/*
* The Qubes OS Project, http://www.qubes-os.org
*
* Copyright (C) 2010 Rafal Wojtczuk <rafal@invisiblethingslab.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <xs.h>
int check_name(unsigned char *s)
{
int c;
for (; *s; s++) {
c = *s;
if (c >= 'a' && c <= 'z')
continue;
if (c >= 'A' && c <= 'Z')
continue;
if (c == '_' || c == '-')
continue;
return 0;
}
return 1;
}
int main(int argc, char **argv)
{
char buf[256] = "new";
struct xs_handle *xs;
xs = xs_domain_open();
setuid(getuid());
if (!xs) {
perror("xs_domain_open");
exit(1);
}
if (argc < 2) {
fprintf(stderr, "usage: %s new\n"
"%s send vmname\n", argv[0], argv[0]);
exit(1);
}
if (argc > 2) {
if (!check_name((unsigned char*)argv[2])) {
fprintf(stderr, "invalid vmname %s\n", argv[2]);
exit(1);
}
snprintf(buf, sizeof(buf), "send %s", argv[2]);
}
if (!xs_write(xs, 0, "device/qpen", buf, strlen(buf))) {
perror("xs_write");
exit(1);
}
xs_daemon_close(xs);
return 0;
}