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https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-08 14:16:47 +00:00
cde5492f72
1.修复spinlock忘记恢复rflags的问题 2.WaitQueue增加wakeup_all的功能 3.完善tcp,udp,raw socket 4.把PollStatus结构体改为使用bitflags 5.新增iovec结构体 6.完成网络的系统调用 7.在bootstrap里面添加dnsmasq bridge-utils iptables --------- Co-authored-by: guanjinquan <1666320330@qq.com>
86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# 设置 bridge 名称
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BRIDGE=dragonos-bridge
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# 设置网络信息
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NETWORK=192.168.137.0
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NETMASK=255.255.255.0
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GATEWAY=192.168.137.1
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DHCPRANGE=192.168.137.100,192.168.137.200
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# 启用PXE支持的可选参数
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TFTPROOT=
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BOOTP=
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function check_bridge()
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{
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if brctl show | grep "^$BRIDGE" &> /dev/null; then
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return 1
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else
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return 0
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fi
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}
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function create_bridge()
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{
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brctl addbr "$BRIDGE"
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brctl stp "$BRIDGE" on
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brctl setfd "$BRIDGE" 0
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ifconfig "$BRIDGE" "$GATEWAY" netmask "$NETMASK" up
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}
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function enable_ip_forward()
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{
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echo 1 > /proc/sys/net/ipv4/ip_forward
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}
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function add_filter_rules()
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{
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iptables -t nat -A POSTROUTING -s "$NETWORK"/"$NETMASK" \
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! -d "$NETWORK"/"$NETMASK" -j MASQUERADE
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}
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function start_dnsmasq()
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{
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# 禁止重复运行dnsmasq
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ps -ef | grep "dnsmasq" | grep -v "grep" &> /dev/null
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if [ $? -eq 0 ]; then
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echo "dnsmasq 已经在运行"
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return 1
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fi
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dnsmasq \
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--strict-order \
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--except-interface=lo \
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--interface=$BRIDGE \
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--listen-address=$GATEWAY \
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--bind-interfaces \
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--dhcp-range=$DHCPRANGE \
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--conf-file="" \
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--pid-file=/var/run/qemu-dhcp-$BRIDGE.pid \
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--dhcp-leasefile=/var/run/qemu-dhcp-$BRIDGE.leases \
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--dhcp-no-override \
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${TFTPROOT:+"--enable-tftp"} \
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${TFTPROOT:+"--tftp-root=$TFTPROOT"} \
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${BOOTP:+"--dhcp-boot=$BOOTP"}
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}
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function setup_bridge_nat()
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{
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check_bridge "$BRIDGE"
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if [ $? -eq 0 ]; then
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create_bridge
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fi
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enable_ip_forward
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add_filter_rules "$BRIDGE"
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start_dnsmasq "$BRIDGE"
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}
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# 安装前需要检查$1参数
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if [ -n "$1" ]; then
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setup_bridge_nat
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brctl addif "$BRIDGE" "$1"
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ifconfig "$1" 0.0.0.0 up
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exit 0
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else
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echo "发现错误：没有指定接口"
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exit 1
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fi
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