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sd-dhcp-server: do not assign address reserved for static leases to non-matching clients

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This fix the root cause of the issue #22253.

(cherry picked from commit bd1a3eb65b)
This commit is contained in:
Yu Watanabe 2022-01-28 02:25:37 +09:00 committed by Luca Boccassi
parent 0478298bf9
commit 995086918c
1 changed files with 3 additions and 0 deletions
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src/libsystemd-network/sd-dhcp-server.c
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@ -756,6 +756,9 @@ static bool address_is_in_pool(sd_dhcp_server *server, be32_t address) {
be32toh(address) >= (be32toh(server->subnet) | (server->pool_offset + server->pool_size)))
return false;
if (hashmap_contains(server->static_leases_by_address, UINT32_TO_PTR(address)))
return false;
return true;
}