diff options
Diffstat (limited to 'scripts/runqemu-ifup')
-rwxr-xr-x | scripts/runqemu-ifup | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/scripts/runqemu-ifup b/scripts/runqemu-ifup index 987a37a1a7..870cb6bcb7 100755 --- a/scripts/runqemu-ifup +++ b/scripts/runqemu-ifup | |||
@@ -69,12 +69,29 @@ if [ "x$IFCONFIG" = "x" ]; then | |||
69 | # better than nothing... | 69 | # better than nothing... |
70 | IFCONFIG=/sbin/ifconfig | 70 | IFCONFIG=/sbin/ifconfig |
71 | fi | 71 | fi |
72 | if [ ! -x "$IFCONFIG" ]; then | ||
73 | echo "$IFCONFIG cannot be executed" | ||
74 | exit 1 | ||
75 | fi | ||
72 | 76 | ||
73 | ROUTE=`which route` | 77 | ROUTE=`which route` |
74 | if [ "x$ROUTE" = "x" ]; then | 78 | if [ "x$ROUTE" = "x" ]; then |
75 | # better than nothing... | 79 | # better than nothing... |
76 | ROUTE=/sbin/route | 80 | ROUTE=/sbin/route |
77 | fi | 81 | fi |
82 | if [ ! -x "$ROUTE" ]; then | ||
83 | echo "$ROUTE cannot be executed" | ||
84 | exit 1 | ||
85 | fi | ||
86 | |||
87 | IPTABLES=`which iptables 2> /dev/null` | ||
88 | if [ "x$IPTABLES" = "x" ]; then | ||
89 | IPTABLES=/sbin/iptables | ||
90 | fi | ||
91 | if [ ! -x "$IPTABLES" ]; then | ||
92 | echo "$IPTABLES cannot be executed" | ||
93 | exit 1 | ||
94 | fi | ||
78 | 95 | ||
79 | n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ] | 96 | n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ] |
80 | $IFCONFIG $TAP 192.168.7.$n | 97 | $IFCONFIG $TAP 192.168.7.$n |
@@ -83,11 +100,6 @@ dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ] | |||
83 | $ROUTE add -host 192.168.7.$dest $TAP | 100 | $ROUTE add -host 192.168.7.$dest $TAP |
84 | 101 | ||
85 | # setup NAT for tap0 interface to have internet access in QEMU | 102 | # setup NAT for tap0 interface to have internet access in QEMU |
86 | IPTABLES=`which iptables` | ||
87 | if [ "x$IPTABLES" = "x" ]; then | ||
88 | IPTABLES=/sbin/iptables | ||
89 | fi | ||
90 | |||
91 | $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.0/24 | 103 | $IPTABLES -A POSTROUTING -t nat -j MASQUERADE -s 192.168.7.0/24 |
92 | echo 1 > /proc/sys/net/ipv4/ip_forward | 104 | echo 1 > /proc/sys/net/ipv4/ip_forward |
93 | $IPTABLES -P FORWARD ACCEPT | 105 | $IPTABLES -P FORWARD ACCEPT |