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e43a8393ea
This adds support for option 43 (Vendor Specific Information) to libsystemd-network DHCP code. The option carries an opaque object of n octets, interpreted by vendor-specific code on the clients and servers. [@zonque: adopted to new unhexmem() API]
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright (C) 2013 Intel Corporation. All rights reserved.
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Copyright (C) 2014 Tom Gundersen
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdint.h>
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#include <linux/if_packet.h>
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#include "refcnt.h"
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#include "util.h"
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#include "dhcp-protocol.h"
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#include "sd-dhcp-client.h"
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struct sd_dhcp_route {
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struct in_addr dst_addr;
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struct in_addr gw_addr;
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unsigned char dst_prefixlen;
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};
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struct sd_dhcp_lease {
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RefCount n_ref;
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int32_t time_offset;
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uint32_t t1;
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uint32_t t2;
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uint32_t lifetime;
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uint32_t mtu_aging_timeout;
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be32_t address;
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be32_t server_address;
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be32_t subnet_mask;
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be32_t router;
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be32_t next_server;
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be32_t broadcast;
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struct in_addr *dns;
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size_t dns_size;
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struct in_addr *ntp;
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size_t ntp_size;
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struct in_addr *policy_filter;
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size_t policy_filter_size;
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struct sd_dhcp_route *static_route;
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size_t static_route_size;
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size_t static_route_allocated;
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uint16_t boot_file_size;
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uint16_t mdr;
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uint16_t mtu;
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uint8_t ttl;
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bool ip_forward;
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bool ip_forward_non_local;
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char *domainname;
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char *hostname;
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char *root_path;
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uint8_t *client_id;
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size_t client_id_len;
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uint8_t *vendor_specific;
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size_t vendor_specific_len;
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};
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int dhcp_lease_new(sd_dhcp_lease **ret);
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int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option,
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void *user_data);
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int dhcp_lease_set_default_subnet_mask(sd_dhcp_lease *lease);
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int dhcp_lease_set_client_id(sd_dhcp_lease *lease, const uint8_t *client_id,
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size_t client_id_len);
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DEFINE_TRIVIAL_CLEANUP_FUNC(sd_dhcp_lease*, sd_dhcp_lease_unref);
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#define _cleanup_dhcp_lease_unref_ _cleanup_(sd_dhcp_lease_unrefp)
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