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temp_utils�util)�get_interface_mac�is_ib_interfacez/run/systemd/netif/leasesz/var/lib/dhclientz .+\.leases?$aN #!/bin/sh
log() {
echo "udhcpc[$PPID]" "$interface: $2"
}
[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
case $1 in
bound|renew)
cat <<JSON > "$LEASE_FILE"
{
"interface": "$interface",
"fixed-address": "$ip",
"subnet-mask": "$subnet",
"routers": "${router%% *}",
"static_routes" : "${staticroutes}"
}
JSON
;;
deconfig)
log err "Not supported"
exit 1
;;
leasefail | nak)
log err "configuration failed: $1: $message"
exit 1
;;
*)
echo "$0: Unknown udhcpc command: $1" >&2
exit 1
;;
esac
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parse rfc3442 format and return a list containing tuple of strings.
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rfc3442, one from dhcpcd and one from dhclient (isc).
@param rfc3442: string in rfc3442 format (isc or dhcpd)
@returns: list of tuple(str, str) for all valid parsed routes until the
first parsing error.
e.g.:
sr=parse_static_routes( "32,169,254,169,254,130,56,248,255,0,130,56,240,1")
sr=[
("169.254.169.254/32", "130.56.248.255"), ("0.0.0.0/0", "130.56.240.1")
]
sr2 = parse_static_routes( "24.191.168.128 192.168.128.1,0 192.168.128.1")
sr2 = [
("191.168.128.0/24", "192.168.128.1"), ("0.0.0.0/0", "192.168.128.1")
]
# unknown-121 option format
sr3 = parse_static_routes( "0:a:0:0:1:20:a8:3f:81:10:a:0:0:1:20:a9:fe:a9:fe:a:0:0:1")
sr3 = [
("0.0.0.0/0", "10.0.0.1"),
("168.63.129.16/32", "10.0.0.1"),
("169.254.169.254/32", "10.0.0.1"),
]
Python version of isc-dhclient's hooks:
/etc/dhcp/dhclient-exit-hooks.d/rfc3442-classless-routes
re c S s g | ] }|r|�qS r r �r� �tokr r r �
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N)r� r
r- �reversedrx r4 )r? r r� ra r& rt Zserverr r r �get_key_from_latest_leaseQ s
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@return: dict of lease options representing the most recent dhcp lease
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r� r� z
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��zDhcpcd.dhcp_discovery)r5 �dhcp_option_numberr c C s< d}t td�dd�}|| |�D ]\}}||kr | S q dS )aV get a specific option from a binary lease file
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upstream bug: https://github.com/NetworkConfiguration/dhcpcd/issues/282
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@param number: Option number to return
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�� )r5 �indexc s sX t | �|d krT| | }| d| }| d| d| | � }||fV d| | }q dS )z�options are variable length, and consist of the following format
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broadcast_address='192.168.15.255'
dhcp_lease_time='3600'
dhcp_message_type='5'
dhcp_server_identifier='192.168.0.1'
domain_name='us-east-2.compute.internal'
domain_name_servers='192.168.0.2'
host_name='ip-192-168-0-212'
interface_mtu='9001'
ip_address='192.168.0.212'
network_number='192.168.0.0'
routers='192.168.0.1'
subnet_cidr='20'
subnet_mask='255.255.240.0'
z)Parsing dhcpcd lease for interface %s: %rc S s" g | ]}d |v r|j d dd��qS )�=rA )�maxsplit)rn )r� �ar r r r� ( s �z-Dhcpcd.parse_dhcpcd_lease.<locals>.<listcomp>�'r8 �
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r� r r< r� r� r r r� r� r )r? r" r� r r r rS T s& ��� �zDhcpcd.get_newest_leaserT c C sD | � � }|r4dd� t|ddd� |ddd� �D �S t�d| � g S )a�
classless static routes as returned from dhcpcd --dumplease and return
a list containing tuple of strings.
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gateway for a parsed static route.
@param routes: string containing classless static routes
@returns: list of tuple(str, str) for all valid parsed routes until the
first parsing error.
e.g.:
sr=parse_static_routes(
"0.0.0.0/0 10.0.0.1 168.63.129.16/32 10.0.0.1"
)
sr=[
("0.0.0.0/0", "10.0.0.1"),
("169.63.129.16/32", "10.0.0.1"),
]
c S s g | ]}|�qS r r �r� �ir r r r� � r� z.Dhcpcd.parse_static_routes.<locals>.<listcomp>Nr� rA z'Malformed classless static routes: [%s])rn �zipr r� �rU r� r r r rV q s
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