167 lines
4.4 KiB
C
167 lines
4.4 KiB
C
/*
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* iface.h - Network interface configuration API
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*
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* Copyright (C) 2006, 2007, 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author(s): David Cantrell <dcantrell@redhat.com>
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*/
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#ifndef ISYSIFACE_H
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#define ISYSIFACE_H
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#include <resolv.h>
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#include <net/if.h>
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#include <netlink/cache.h>
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#include <netlink/socket.h>
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#include <glib.h>
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/* Enumerated types used in iface.c as well as loader's network code */
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enum { IPUNUSED = -1, IPV4, IPV6 };
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enum { IPV4_UNUSED_METHOD, IPV4_DHCP_METHOD, IPV4_MANUAL_METHOD, IPV4_IBFT_METHOD, IPV4_IBFT_DHCP_METHOD };
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enum { IPV6_UNUSED_METHOD, IPV6_AUTO_METHOD, IPV6_DHCP_METHOD,
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IPV6_MANUAL_METHOD };
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#define IPV4_FIRST_METHOD IPV4_DHCP_METHOD
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#define IPV4_LAST_METHOD IPV4_MANUAL_METHOD
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#define IPV6_FIRST_METHOD IPV6_AUTO_METHOD
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#define IPV6_LAST_METHOD IPV6_MANUAL_METHOD
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/* Flags for the iface_t (do we need these?) */
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#define IFACE_FLAGS_NO_WRITE_RESOLV_CONF (((uint64_t) 1) << 0)
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#define IFACE_NO_WRITE_RESOLV_CONF(a) ((a) & IFACE_FLAGS_NO_WRITE_RESOLV_CONF)
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/* Macros for starting NetworkManager */
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#define NETWORKMANAGER "/usr/sbin/NetworkManager"
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/* Per-interface configuration information */
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typedef struct _iface_t {
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/* device name (e.g., eth0) */
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char device[IF_NAMESIZE];
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/* MAC address as xx:xx:xx:xx:xx:xx */
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char *macaddr;
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/* IPv4 (store addresses in in_addr format, use inet_pton() to display) */
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struct in_addr ipaddr;
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struct in_addr netmask;
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struct in_addr broadcast;
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/* IPv6 (store addresses in in6_addr format, prefix is just an int) */
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struct in6_addr ip6addr;
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int ip6prefix;
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/* Gateway settings */
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struct in_addr gateway;
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struct in6_addr gateway6;
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/* BOOTP (these can be IPv4 or IPv6, store human-readable version as str) */
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char *nextserver;
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char *bootfile;
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/* DNS (these can be IPv4 or IPv6, store human-readable version as str) */
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char *dns[MAXNS];
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int numdns;
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char *hostname;
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char *domain;
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char *search;
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/* Misc DHCP settings */
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int dhcptimeout;
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char *vendorclass;
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/* Wireless settings */
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char *ssid;
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char *wepkey;
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/* s390 specifics */
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int mtu;
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char *subchannels;
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char *portname;
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char *peerid;
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char *nettype;
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char *ctcprot;
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char *layer2;
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char *portno;
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/* flags */
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uint64_t flags;
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int ipv4method;
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int ipv6method;
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int isiBFT;
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} iface_t;
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/* Function prototypes */
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/*
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* Given an interface name (e.g., eth0) and address family (e.g., AF_INET),
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* return the IP address in human readable format (i.e., the output from
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* inet_ntop()). Return NULL for no match or error.
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*/
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char *iface_ip2str(char *, int);
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/*
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* Given an interface name (e.g., eth0), return the MAC address in human
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* readable format (e.g., 00:11:52:12:D9:A0). Return NULL for no match.
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*/
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char *iface_mac2str(char *);
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/* Given an interface's MAC address, return the name (e.g., eth0) in human
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* readable format. Return NULL for no match
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*/
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char *iface_mac2device(char *);
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/*
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* Convert an IPv4 CIDR prefix to a dotted-quad netmask. Return NULL on
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* failure.
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*/
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struct in_addr *iface_prefix2netmask(int);
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/*
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* Initialize a new iface_t structure to default values.
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*/
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void iface_init_iface_t(iface_t *);
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/*
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* Given a pointer to a struct in_addr, return 1 if it contains a valid
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* address, 0 otherwise.
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*/
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int iface_have_in_addr(struct in_addr *addr);
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/*
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* Given a pointer to a struct in6_addr, return 1 if it contains a valid
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* address, 0 otherwise.
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*/
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int iface_have_in6_addr(struct in6_addr *addr6);
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/*
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* Checks if NetworkManager has an active connection.
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*/
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gboolean is_nm_connected(void);
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/*
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* Start NetworkManager
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*/
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int iface_start_NetworkManager(void);
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/*
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* Set Maximum Transfer Unit (MTU) on specified interface
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*/
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int iface_set_interface_mtu(char *ifname, int mtu);
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#endif /* ISYSIFACE_H */
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