564ca98484
Implementes https://tools.ietf.org/html/rfc2132 ``` [DHCPServer] SendRawOption=26:uint32:1400 SendRawOption=23:uint8:10 ``` Frame 448: 350 bytes on wire (2800 bits), 350 bytes captured (2800 bits) on interface 0 Linux cooked capture Internet Protocol Version 4, Src: 192.168.5.1, Dst: 192.168.5.11 User Datagram Protocol, Src Port: 67, Dst Port: 68 Dynamic Host Configuration Protocol (ACK) Message type: Boot Reply (2) Hardware type: Ethernet (0x01) Hardware address length: 6 Hops: 0 Transaction ID: 0x71f8de9d Seconds elapsed: 0 Bootp flags: 0x0000 (Unicast) Client IP address: 0.0.0.0 Your (client) IP address: 192.168.5.11 Next server IP address: 0.0.0.0 Relay agent IP address: 0.0.0.0 Client MAC address: 1e:04:f8:b8:2f:d4 (1e:04:f8:b8:2f:d4) Client hardware address padding: 00000000000000000000 Server host name not given Boot file name not given Magic cookie: DHCP Option: (53) DHCP Message Type (ACK) Length: 1 DHCP: ACK (5) Option: (51) IP Address Lease Time Length: 4 IP Address Lease Time: (3600s) 1 hour Option: (1) Subnet Mask (255.255.255.0) Length: 4 Subnet Mask: 255.255.255.0 Option: (3) Router Length: 4 Router: 192.168.5.1 Option: (6) Domain Name Server Length: 4 Domain Name Server: 192.168.5.1 Option: (42) Network Time Protocol Servers Length: 4 Network Time Protocol Server: 192.168.5.1 Option: (101) TCode Length: 13 TZ TCode: Europe/Berlin Option: (43) Vendor-Specific Information Length: 9 Value: 1701311a0431343030 Option: (54) DHCP Server Identifier (192.168.5.1) Length: 4 DHCP Server Identifier: 192.168.5.1 Option: (255) End Option End: 255 ```
74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#ifndef foosddhcpserverhfoo
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#define foosddhcpserverhfoo
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/***
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Copyright © 2013 Intel Corporation. All rights reserved.
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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 <inttypes.h>
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#include <netinet/in.h>
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#include "sd-event.h"
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#include "_sd-common.h"
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_SD_BEGIN_DECLARATIONS;
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extern const struct hash_ops dhcp_raw_options_hash_ops;
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typedef struct sd_dhcp_server sd_dhcp_server;
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typedef struct sd_dhcp_raw_option sd_dhcp_raw_option;
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int sd_dhcp_server_new(sd_dhcp_server **ret, int ifindex);
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sd_dhcp_server *sd_dhcp_server_ref(sd_dhcp_server *server);
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sd_dhcp_server *sd_dhcp_server_unref(sd_dhcp_server *server);
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int sd_dhcp_raw_option_new(uint8_t type, char *data, size_t lengt, sd_dhcp_raw_option **ret);
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sd_dhcp_raw_option *sd_dhcp_raw_option_ref(sd_dhcp_raw_option *ra);
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sd_dhcp_raw_option *sd_dhcp_raw_option_unref(sd_dhcp_raw_option *ra);
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int sd_dhcp_server_attach_event(sd_dhcp_server *client, sd_event *event, int64_t priority);
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int sd_dhcp_server_detach_event(sd_dhcp_server *client);
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sd_event *sd_dhcp_server_get_event(sd_dhcp_server *client);
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int sd_dhcp_server_is_running(sd_dhcp_server *server);
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int sd_dhcp_server_start(sd_dhcp_server *server);
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int sd_dhcp_server_stop(sd_dhcp_server *server);
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int sd_dhcp_server_configure_pool(sd_dhcp_server *server, struct in_addr *address, unsigned char prefixlen, uint32_t offset, uint32_t size);
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int sd_dhcp_server_set_timezone(sd_dhcp_server *server, const char *timezone);
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int sd_dhcp_server_set_dns(sd_dhcp_server *server, const struct in_addr dns[], unsigned n);
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int sd_dhcp_server_set_ntp(sd_dhcp_server *server, const struct in_addr ntp[], unsigned n);
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int sd_dhcp_server_set_sip(sd_dhcp_server *server, const struct in_addr sip[], unsigned n);
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int sd_dhcp_server_set_emit_router(sd_dhcp_server *server, int enabled);
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int sd_dhcp_server_add_raw_option(sd_dhcp_server *server, sd_dhcp_raw_option *v);
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int sd_dhcp_server_set_max_lease_time(sd_dhcp_server *server, uint32_t t);
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int sd_dhcp_server_set_default_lease_time(sd_dhcp_server *server, uint32_t t);
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int sd_dhcp_server_forcerenew(sd_dhcp_server *server);
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_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_server, sd_dhcp_server_unref);
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_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_raw_option, sd_dhcp_raw_option_unref);
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_SD_END_DECLARATIONS;
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#endif
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