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tests: Correctly handle domain search list in dhclient-script

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Currently our small custom dhclient-script only handles the 'domain-name'
option, which can just list a single domain, not the 'domain-search'
option, which can handle several.  Correct it to handle both.

We also weren't emptying the resolv.conf file before we began, which
could lead to surprising contents after multiple DHCP transactions.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2022-07-15 15:21:30 +10:00 committed by Stefano Brivio
parent a47ac6160b
commit 181efaa3fa
1 changed files with 3 additions and 3 deletions
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6
test/passt.mbuto
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@ -34,13 +34,13 @@ set >> \$LOG
[ -n "\${new_ip_address}" ] && ip addr add \${new_ip_address}/\${new_subnet_mask} dev \${interface}
[ -n "\${new_routers}" ] && for r in \${new_routers}; do ip route add default via \${r} dev \${interface}; done
:> /etc/resolv.conf
[ -n "\${new_domain_name_servers}" ] && for d in \${new_domain_name_servers}; do echo "nameserver \${d}" >> /etc/resolv.conf; done
[ -n "\${new_domain_name}" ] && (printf "search"; for d in \${new_domain_name}; do printf " %s" "\${d}"; done; printf "\n") >> /etc/resolv.conf
[ -n "\${new_domain_name}" ] && echo "search \${new_domain_name}" >> /etc/resolf.conf
[ -n "\${new_domain_search}" ] && (printf "search"; for d in \${new_domain_search}; do printf " %s" "\${d}"; done; printf "\n") >> /etc/resolv.conf
[ -n "\${new_ip6_address}" ] && ip addr add \${new_ip6_address}/\${new_ip6_prefixlen} dev \${interface}
[ -n "\${new_dhcp6_name_servers}" ] && for d in \${new_dhcp6_name_servers}; do echo "nameserver \${d}%\${interface}" >> /etc/resolv.conf; done
[ -n "\${new_dhcp6_domain_search}" ] && (printf "search"; for d in \${new_dhcp6_domain_search}; do printf " %s" "\${d}"; done; printf "\n") >> /etc/resolv.conf
[ -n "\${new_host_name}" ] && hostname "\${new_host_name}"
exit 0
EOF