diff options
Diffstat (limited to 'scripts/runqemu-ifup')
-rwxr-xr-x | scripts/runqemu-ifup | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/scripts/runqemu-ifup b/scripts/runqemu-ifup deleted file mode 100755 index d9bd894..0000000 --- a/scripts/runqemu-ifup +++ /dev/null | |||
@@ -1,121 +0,0 @@ | |||
1 | #!/bin/bash | ||
2 | # | ||
3 | # QEMU network interface configuration script. This utility needs to | ||
4 | # be run as root, and will use the tunctl binary from a native sysroot. | ||
5 | # Note: many Linux distros these days still use an older version of | ||
6 | # tunctl which does not support the group permissions option, hence | ||
7 | # the need to use build system's version. | ||
8 | # | ||
9 | # If you find yourself calling this script a lot, you can add the | ||
10 | # the following to your /etc/sudoers file to be able to run this | ||
11 | # command without entering your password each time: | ||
12 | # | ||
13 | # <my-username> ALL=NOPASSWD: /path/to/runqemu-ifup | ||
14 | # <my-username> ALL=NOPASSWD: /path/to/runqemu-ifdown | ||
15 | # | ||
16 | # If you'd like to create a bank of tap devices at once, you should use | ||
17 | # the runqemu-gen-tapdevs script instead. If tap devices are set up using | ||
18 | # that script, the runqemu script will never end up calling this | ||
19 | # script. | ||
20 | # | ||
21 | # Copyright (c) 2006-2011 Linux Foundation | ||
22 | # | ||
23 | # This program is free software; you can redistribute it and/or modify | ||
24 | # it under the terms of the GNU General Public License version 2 as | ||
25 | # published by the Free Software Foundation. | ||
26 | # | ||
27 | # This program is distributed in the hope that it will be useful, | ||
28 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
29 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
30 | # GNU General Public License for more details. | ||
31 | # | ||
32 | # You should have received a copy of the GNU General Public License along | ||
33 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
34 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
35 | |||
36 | usage() { | ||
37 | echo "sudo $(basename $0) <uid> <gid> <native-sysroot-basedir>" | ||
38 | } | ||
39 | |||
40 | if [ $EUID -ne 0 ]; then | ||
41 | echo "Error: This script (runqemu-ifup) must be run with root privileges" | ||
42 | exit 1 | ||
43 | fi | ||
44 | |||
45 | if [ $# -ne 3 ]; then | ||
46 | usage | ||
47 | exit 1 | ||
48 | fi | ||
49 | |||
50 | USERID="-u $1" | ||
51 | GROUP="-g $2" | ||
52 | NATIVE_SYSROOT_DIR=$3 | ||
53 | |||
54 | TUNCTL=$NATIVE_SYSROOT_DIR/usr/bin/tunctl | ||
55 | if [ ! -x "$TUNCTL" ]; then | ||
56 | echo "Error: Unable to find tunctl binary in '$NATIVE_SYSROOT_DIR/usr/bin', please bitbake qemu-helper-native" | ||
57 | exit 1 | ||
58 | fi | ||
59 | |||
60 | TAP=`$TUNCTL -b $GROUP 2>&1` | ||
61 | STATUS=$? | ||
62 | if [ $STATUS -ne 0 ]; then | ||
63 | # If tunctl -g fails, try using tunctl -u, for older host kernels | ||
64 | # which do not support the TUNSETGROUP ioctl | ||
65 | TAP=`$TUNCTL -b $USERID 2>&1` | ||
66 | STATUS=$? | ||
67 | if [ $STATUS -ne 0 ]; then | ||
68 | echo "tunctl failed:" | ||
69 | exit 1 | ||
70 | fi | ||
71 | fi | ||
72 | |||
73 | IFCONFIG=`which ip 2> /dev/null` | ||
74 | if [ "x$IFCONFIG" = "x" ]; then | ||
75 | # better than nothing... | ||
76 | IFCONFIG=/sbin/ip | ||
77 | fi | ||
78 | if [ ! -x "$IFCONFIG" ]; then | ||
79 | echo "$IFCONFIG cannot be executed" | ||
80 | exit 1 | ||
81 | fi | ||
82 | |||
83 | IPTABLES=`which iptables 2> /dev/null` | ||
84 | if [ "x$IPTABLES" = "x" ]; then | ||
85 | IPTABLES=/sbin/iptables | ||
86 | fi | ||
87 | if [ ! -x "$IPTABLES" ]; then | ||
88 | echo "$IPTABLES cannot be executed" | ||
89 | exit 1 | ||
90 | fi | ||
91 | |||
92 | n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ] | ||
93 | $IFCONFIG addr add 192.168.7.$n/32 broadcast 192.168.7.255 dev $TAP | ||
94 | STATUS=$? | ||
95 | if [ $STATUS -ne 0 ]; then | ||
96 | echo "Failed to set up IP addressing on $TAP" | ||
97 | exit 1 | ||
98 | fi | ||
99 | $IFCONFIG link set dev $TAP up | ||
100 | STATUS=$? | ||
101 | if [ $STATUS -ne 0 ]; then | ||
102 | echo "Failed to bring up $TAP" | ||
103 | exit 1 | ||
104 | fi | ||
105 | |||
106 | dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ] | ||
107 | $IFCONFIG route add to 192.168.7.$dest dev $TAP | ||
108 | STATUS=$? | ||
109 | if [ $STATUS -ne 0 ]; then | ||
110 | echo "Failed to add route to 192.168.7.$dest using $TAP" | ||
111 | exit 1 | ||
112 | fi | ||
113 | |||
114 | # setup NAT for tap0 interface to have internet access in QEMU | ||
115 | $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32 | ||
116 | $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32 | ||
117 | echo 1 > /proc/sys/net/ipv4/ip_forward | ||
118 | echo 1 > /proc/sys/net/ipv4/conf/$TAP/proxy_arp | ||
119 | $IPTABLES -P FORWARD ACCEPT | ||
120 | |||
121 | echo $TAP | ||