shell bypass 403
UnknownSec Shell
:
/
usr
/
src
/
linux-headers-6.8.0-83-generic
/
tools
/
testing
/
selftests
/
net
/
forwarding
/ [
drwxr-xr-x
]
upload
mass deface
mass delete
console
info server
name :
ipip_lib.sh
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Handles creation and destruction of IP-in-IP or GRE tunnels over the given # topology. Supports both flat and hierarchical models. # # Flat Model: # Overlay and underlay share the same VRF. # SW1 uses default VRF so tunnel has no bound dev. # SW2 uses non-default VRF tunnel has a bound dev. # +-------------------------+ # | H1 | # | $h1 + | # | 192.0.2.1/28 | | # +-------------------|-----+ # | # +-------------------|-----+ # | SW1 | | # | $ol1 + | # | 192.0.2.2/28 | # | | # | + g1a (gre) | # | loc=192.0.2.65 | # | rem=192.0.2.66 --. | # | tos=inherit | | # | .------------------' | # | | | # | v | # | + $ul1.111 (vlan) | # | | 192.0.2.129/28 | # | \ | # | \_______ | # | | | # |VRF default + $ul1 | # +------------|------------+ # | # +------------|------------+ # | SW2 + $ul2 | # | _______| | # | / | # | / | # | + $ul2.111 (vlan) | # | ^ 192.0.2.130/28 | # | | | # | | | # | '------------------. | # | + g2a (gre) | | # | loc=192.0.2.66 | | # | rem=192.0.2.65 --' | # | tos=inherit | # | | # | $ol2 + | # | 192.0.2.17/28 | | # | VRF v$ol2 | | # +-------------------|-----+ # | # +-------------------|-----+ # | H2 | | # | $h2 + | # | 192.0.2.18/28 | # +-------------------------+ # # Hierarchical model: # The tunnel is bound to a device in a different VRF # # +---------------------------+ # | H1 | # | $h1 + | # | 192.0.2.1/28 | | # +-------------------|-------+ # | # +-------------------|-------+ # | SW1 | | # | +-----------------|-----+ | # | | $ol1 + | | # | | 192.0.2.2/28 | | # | | | | # | | + g1a (gre) | | # | | rem=192.0.2.66 | | # | | tos=inherit | | # | | loc=192.0.2.65 | | # | | ^ | | # | | VRF v$ol1 | | | # | +-----------|-----------+ | # | | | # | +-----------|-----------+ | # | | VRF v$ul1 | | | # | | | | | # | | | | | # | | v | | # | | dummy1 + | | # | | 192.0.2.65 | | # | | .-------' | | # | | | | | # | | v | | # | | + $ul1.111 (vlan) | | # | | | 192.0.2.129/28 | | # | | \ | | # | | \_____ | | # | | | | | # | | + $ul1 | | # | +----------|------------+ | # +------------|--------------+ # | # +------------|--------------+ # | SW2 | | # | +----------|------------+ | # | | + $ul2 | | # | | _____| | | # | | / | | # | | / | | # | | | $ul2.111 (vlan) | | # | | + 192.0.2.130/28 | | # | | ^ | | # | | | | | # | | '-------. | | # | | dummy2 + | | # | | 192.0.2.66 | | # | | ^ | | # | | | | | # | | | | | # | | VRF v$ul2 | | | # | +-----------|-----------+ | # | | | # | +-----------|-----------+ | # | | VRF v$ol2 | | | # | | | | | # | | v | | # | | g2a (gre)+ | | # | | loc=192.0.2.66 | | # | | rem=192.0.2.65 | | # | | tos=inherit | | # | | | | # | | $ol2 + | | # | | 192.0.2.17/28 | | | # | +-----------------|-----+ | # +-------------------|-------+ # | # +-------------------|-------+ # | H2 | | # | $h2 + | # | 192.0.2.18/28 | # +---------------------------+ source lib.sh h1_create() { simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64 ip route add vrf v$h1 192.0.2.16/28 via 192.0.2.2 } h1_destroy() { ip route del vrf v$h1 192.0.2.16/28 via 192.0.2.2 simple_if_fini $h1 192.0.2.1/28 } h2_create() { simple_if_init $h2 192.0.2.18/28 ip route add vrf v$h2 192.0.2.0/28 via 192.0.2.17 } h2_destroy() { ip route del vrf v$h2 192.0.2.0/28 via 192.0.2.17 simple_if_fini $h2 192.0.2.18/28 } sw1_flat_create() { local type=$1; shift local ol1=$1; shift local ul1=$1; shift ip link set dev $ol1 up __addr_add_del $ol1 add "192.0.2.2/28" ip link set dev $ul1 up vlan_create $ul1 111 "" 192.0.2.129/28 tunnel_create g1a $type 192.0.2.65 192.0.2.66 tos inherit "$@" ip link set dev g1a up __addr_add_del g1a add "192.0.2.65/32" ip route add 192.0.2.66/32 via 192.0.2.130 ip route add 192.0.2.16/28 nexthop dev g1a } sw1_flat_destroy() { local ol1=$1; shift local ul1=$1; shift ip route del 192.0.2.16/28 ip route del 192.0.2.66/32 via 192.0.2.130 __simple_if_fini g1a 192.0.2.65/32 tunnel_destroy g1a vlan_destroy $ul1 111 __simple_if_fini $ul1 __simple_if_fini $ol1 192.0.2.2/28 } sw2_flat_create() { local type=$1; shift local ol2=$1; shift local ul2=$1; shift simple_if_init $ol2 192.0.2.17/28 __simple_if_init $ul2 v$ol2 vlan_create $ul2 111 v$ol2 192.0.2.130/28 tunnel_create g2a $type 192.0.2.66 192.0.2.65 tos inherit dev v$ol2 \ "$@" __simple_if_init g2a v$ol2 192.0.2.66/32 ip route add vrf v$ol2 192.0.2.65/32 via 192.0.2.129 ip route add vrf v$ol2 192.0.2.0/28 nexthop dev g2a } sw2_flat_destroy() { local ol2=$1; shift local ul2=$1; shift ip route del vrf v$ol2 192.0.2.0/28 ip route del vrf v$ol2 192.0.2.65/32 via 192.0.2.129 __simple_if_fini g2a 192.0.2.66/32 tunnel_destroy g2a vlan_destroy $ul2 111 __simple_if_fini $ul2 simple_if_fini $ol2 192.0.2.17/28 } sw1_hierarchical_create() { local type=$1; shift local ol1=$1; shift local ul1=$1; shift simple_if_init $ol1 192.0.2.2/28 simple_if_init $ul1 ip link add name dummy1 type dummy __simple_if_init dummy1 v$ul1 192.0.2.65/32 vlan_create $ul1 111 v$ul1 192.0.2.129/28 tunnel_create g1a $type 192.0.2.65 192.0.2.66 tos inherit dev dummy1 \ "$@" ip link set dev g1a master v$ol1 ip route add vrf v$ul1 192.0.2.66/32 via 192.0.2.130 ip route add vrf v$ol1 192.0.2.16/28 nexthop dev g1a } sw1_hierarchical_destroy() { local ol1=$1; shift local ul1=$1; shift ip route del vrf v$ol1 192.0.2.16/28 ip route del vrf v$ul1 192.0.2.66/32 tunnel_destroy g1a vlan_destroy $ul1 111 __simple_if_fini dummy1 192.0.2.65/32 ip link del dev dummy1 simple_if_fini $ul1 simple_if_fini $ol1 192.0.2.2/28 } sw2_hierarchical_create() { local type=$1; shift local ol2=$1; shift local ul2=$1; shift simple_if_init $ol2 192.0.2.17/28 simple_if_init $ul2 ip link add name dummy2 type dummy __simple_if_init dummy2 v$ul2 192.0.2.66/32 vlan_create $ul2 111 v$ul2 192.0.2.130/28 tunnel_create g2a $type 192.0.2.66 192.0.2.65 tos inherit dev dummy2 \ "$@" ip link set dev g2a master v$ol2 ip route add vrf v$ul2 192.0.2.65/32 via 192.0.2.129 ip route add vrf v$ol2 192.0.2.0/28 nexthop dev g2a } sw2_hierarchical_destroy() { local ol2=$1; shift local ul2=$1; shift ip route del vrf v$ol2 192.0.2.0/28 ip route del vrf v$ul2 192.0.2.65/32 tunnel_destroy g2a vlan_destroy $ul2 111 __simple_if_fini dummy2 192.0.2.66/32 ip link del dev dummy2 simple_if_fini $ul2 simple_if_fini $ol2 192.0.2.17/28 } topo_mtu_change() { local mtu=$1 ip link set mtu $mtu dev $h1 ip link set mtu $mtu dev $ol1 ip link set mtu $mtu dev g1a ip link set mtu $mtu dev $ul1 ip link set mtu $mtu dev $ul1.111 ip link set mtu $mtu dev $h2 ip link set mtu $mtu dev $ol2 ip link set mtu $mtu dev g2a ip link set mtu $mtu dev $ul2 ip link set mtu $mtu dev $ul2.111 } test_mtu_change() { local encap=$1; shift RET=0 ping_do $h1 192.0.2.18 "-s 1800 -w 3" check_fail $? "ping $encap should not pass with size 1800" RET=0 topo_mtu_change 2000 ping_do $h1 192.0.2.18 "-s 1800 -w 3" check_err $? log_test "ping $encap packet size 1800 after MTU change" }
© 2026 UnknownSec