flash_v2: packages/net/common/current/src/ifaddrs.c annotate

annotate packages/net/common/current/src/ifaddrs.c @ 957:db3e0a2fda2f

2003-04-12 Andrew Lunn <andrew.lunn@ascom.ch> * src/network_support.c (init_loopback_interface): Close the socket when things go wrong otherwise we leak sockets. * src/tftp_server.c (tftpd_server): Added support for IPv6 as well as IPv4. Extended the multithreading support so that it works correctly when there are multiple servers on multiple ports. * doc/tcpip.sgml: Documentation for the changes made to the tftp server. 2003-04-10 Andrew Lunn <andrew.lunn@ascom.ch> * src/network_support.c (init_all_network_interfaces): Wait upto 4 seconds for a router solicit message to be received. Once we have received the message we know we have a valid IPv6 address. * src/tftp_client.c: Added support for IPv6. This requires two new functions, tftp_client_{get|put} which are protocol version independent. * tests/tftp_client_test.c (tftp_test): Added tests which use IPv6 addresses. 2003-04-07 Andrew Lunn <andrew.lunn@ascom.ch> * src/getaddrinfo.c (getaddrinfo): Correctly deal with node when its not NULL. Its OK for the address to not parse for an address family when AF_UNSPEC is passed in hints. Also get the socktype correct when wildcarding for services that use UDP. * tests/addr_test.c: Added more test cases which test IP addresses in number format as node. 2003-04-05 Andrew Lunn <andrew.lunn@ascom.ch> * cdl/net.cdl: Added addr_tests to the HW tests. * tests/addr_test.c (net_test): void function not int. * tests/ping_test.c (net_test): Added IPv6 ping test. This pings the router which answers our router solicit message. * src/ipv6_routing_thread.c (cyg_rs): Print out the router advertisement message. Cleaned up the debug messages so they can be disabled. * src/ipv6_routing_thread.c (cyg_net_get_ipv6_advrouter): New function to return the address of the router. * include/network.h: Added prototype for above and ipv6_start_routing_thread which did not have a prototype. * src/ipv6_routing_thread.c (cyg_rs): Only wait 2 seconds before sending the first solicit request rather than 10. * src/dhcp_prot.c (do_dhcp_down_net): clear the if_laddrreq before using it. If the request fails finish the IPv4 code rather than returning,. 2003-04-02 Andrew Lunn <andrew.lunn@ascom.ch> * tests/ping_lo_test.c: Added IPv6 ping test. * src/getproto.c: Added the protocol ipv6-icmp.

author	asl
date	Wed, 23 Apr 2003 08:52:08 +0000
parents	e0c0827131d1
children	16d247bb9c70

rev	line source
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	1 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	2 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	3 // src/ifaddrs.c
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	4 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	5 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	6 //####BSDCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	7 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	8 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	9 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	10 // Portions of this software may have been derived from OpenBSD,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	11 // FreeBSD or other sources, and are covered by the appropriate
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	12 // copyright disclaimers included herein.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	13 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	14 // Portions created by Red Hat are
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	15 // Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	17 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	18 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	19 //####BSDCOPYRIGHTEND####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	20 //==========================================================================
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	21
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	22 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	23 // Adapted from KAME getifaddrs.c, if_nametoindex.c, if_indextoname.c
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	24 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	25
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	26 /* $KAME: getifaddrs.c,v 1.9 2001/08/20 02:31:20 itojun Exp $ */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	27 /* $KAME: if_nametoindex.c,v 1.6 2000/11/24 08:18:54 itojun Exp $ */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	28 /* $KAME: if_indextoname.c,v 1.7 2000/11/08 03:09:30 itojun Exp $ */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	29
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	30 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	31 * Copyright (c) 1995, 1999
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	32 * Berkeley Software Design, Inc. All rights reserved.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	33 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	34 * Redistribution and use in source and binary forms, with or without
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	35 * modification, are permitted provided that the following conditions
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	36 * are met:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	37 * 1. Redistributions of source code must retain the above copyright
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	38 * notice, this list of conditions and the following disclaimer.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	39 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	40 * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	43 * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	50 * SUCH DAMAGE.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	51 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	52 * BSDI getifaddrs.c,v 2.12 2000/02/23 14:51:59 dab Exp
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	53 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	54
957 db3e0a2fda2f 2003-04-12 Andrew Lunn <andrew.lunn@ascom.ch> asl parents: 208 diff changeset	55 #include <cyg/infra/diag.h>
db3e0a2fda2f 2003-04-12 Andrew Lunn <andrew.lunn@ascom.ch> asl parents: 208 diff changeset	56
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	57 #include <unistd.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	58 #include <stdlib.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	59 #include <string.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	60
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	61 #undef _KERNEL
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	62 #undef __INSIDE_NET
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	63 #include <sys/param.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	64 #include <sys/types.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	65 #include <sys/ioctl.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	66 #include <sys/socket.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	67 #include <net/if.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	68 #include <net/if_dl.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	69 #include <errno.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	70 #include <netinet/in.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	71 #include <net/netdb.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	72 #include <ifaddrs.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	73
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	74 #if !defined(AF_LINK)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	75 #define SA_LEN(sa) sizeof(struct sockaddr)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	76 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	77
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	78 #if !defined(SA_LEN)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	79 #define SA_LEN(sa) (sa)->sa_len
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	80 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	81
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	82 #define SALIGN (sizeof(long) - 1)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	83 #define SA_RLEN(sa) ((sa)->sa_len ? (((sa)->sa_len + SALIGN) & ~SALIGN) : (SALIGN + 1))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	84
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	85 #ifndef ALIGNBYTES
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	86 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	87 * On systems with a routing socket, ALIGNBYTES should match the value
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	88 * that the kernel uses when building the messages.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	89 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	90 #define ALIGNBYTES XXX
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	91 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	92 #ifndef ALIGN
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	93 #define ALIGN(p) (((u_long)(p) + ALIGNBYTES) &~ ALIGNBYTES)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	94 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	95
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	96 int
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	97 getifaddrs(struct ifaddrs **pif)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	98 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	99 int icnt = 1; // Interface count
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	100 int dcnt = 0; // Data [length] count
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	101 int ncnt = 0; // Length of interface names
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	102 char buf[1024];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	103 int i, sock;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	104 struct ifconf ifc;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	105 struct ifreq ifr, lifr;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	106 char data, names;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	107 struct ifaddrs ifa, ift;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	108
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	109 ifc.ifc_buf = buf;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	110 ifc.ifc_len = sizeof(buf);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	111
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	112 if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	113 return (-1);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	114 i = ioctl(sock, SIOCGIFCONF, (char *)&ifc);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	115 close(sock);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	116 if (i < 0)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	117 return (-1);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	118
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	119 ifr = ifc.ifc_req;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	120 lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	121
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	122 while (ifr < lifr) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	123 struct sockaddr *sa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	124
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	125 sa = &ifr->ifr_addr;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	126 ++icnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	127 dcnt += SA_RLEN(sa);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	128 ncnt += sizeof(ifr->ifr_name) + 1;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	129
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	130 if (SA_LEN(sa) < sizeof(*sa))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	131 ifr = (struct ifreq )(((char )sa) + sizeof(*sa));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	132 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	133 ifr = (struct ifreq )(((char )sa) + SA_LEN(sa));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	134 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	135
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	136 if (icnt + dcnt + ncnt == 1) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	137 // Nothing found
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	138 *pif = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	139 free(buf);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	140 return (0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	141 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	142 data = malloc(sizeof(struct ifaddrs) * icnt + dcnt + ncnt);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	143 if (data == NULL) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	144 free(buf);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	145 return(-1);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	146 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	147
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	148 ifa = (struct ifaddrs )(void )data;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	149 data += sizeof(struct ifaddrs) * icnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	150 names = data + dcnt;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	151
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	152 memset(ifa, 0, sizeof(struct ifaddrs) * icnt);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	153 ift = ifa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	154
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	155 ifr = ifc.ifc_req;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	156 lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	157
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	158 while (ifr < lifr) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	159 struct sockaddr *sa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	160
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	161 ift->ifa_name = names;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	162 names[sizeof(ifr->ifr_name)] = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	163 strncpy(names, ifr->ifr_name, sizeof(ifr->ifr_name));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	164 while (*names++) ;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	165
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	166 ift->ifa_addr = (struct sockaddr *)data;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	167 sa = &ifr->ifr_addr;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	168 memcpy(data, sa, SA_LEN(sa));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	169 data += SA_RLEN(sa);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	170
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	171 if (SA_LEN(sa) < sizeof(*sa))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	172 ifr = (struct ifreq )(((char )sa) + sizeof(*sa));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	173 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	174 ifr = (struct ifreq )(((char )sa) + SA_LEN(sa));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	175 ift = (ift->ifa_next = ift + 1);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	176 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	177
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	178 if (--ift >= ifa) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	179 ift->ifa_next = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	180 *pif = ifa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	181 } else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	182 *pif = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	183 free(ifa);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	184 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	185 return (0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	186 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	187
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	188 void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	189 freeifaddrs(struct ifaddrs *ifp)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	190 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	191 free(ifp);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	192 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	193
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	194 void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	195 _show_all_interfaces(void)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	196 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	197 struct ifaddrs iflist, ifp;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	198 char addr[64];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	199 int indx;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	200
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	201 if (getifaddrs(&iflist) < 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	202 diag_printf("Can't get interface information!!\n");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	203 return;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	204 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	205 ifp = iflist;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	206 while (ifp != (struct ifaddrs *)NULL) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	207 if (ifp->ifa_addr->sa_family != AF_LINK) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	208 getnameinfo (ifp->ifa_addr, ifp->ifa_addr->sa_len, addr, sizeof(addr), 0, 0, 0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	209 diag_printf("%p - %s - %s\n", ifp, ifp->ifa_name, addr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	210 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	211 ifp = ifp->ifa_next;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	212 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	213 indx = if_nametoindex(iflist->ifa_name);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	214 diag_printf("indx(%s) = %d\n", iflist->ifa_name, indx);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	215 if (indx > 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	216 if (if_indextoname(indx, addr)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	217 diag_printf("index(%s) = %d/%s\n", iflist->ifa_name, indx, addr);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	218 } else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	219 diag_printf("index(%s) = %d: %s\n", iflist->ifa_name, indx, strerror(errno));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	220 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	221 } else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	222 diag_printf("index(%s): %s\n", iflist->ifa_name, strerror(errno));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	223 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	224 freeifaddrs(iflist);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	225 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	226
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	227 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	228 * From RFC 2553:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	229 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	230 * 4.1 Name-to-Index
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	231 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	232 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	233 * The first function maps an interface name into its corresponding
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	234 * index.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	235 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	236 * #include <net/if.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	237 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	238 * unsigned int if_nametoindex(const char *ifname);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	239 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	240 * If the specified interface name does not exist, the return value is
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	241 * 0, and errno is set to ENXIO. If there was a system error (such as
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	242 * running out of memory), the return value is 0 and errno is set to the
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	243 * proper value (e.g., ENOMEM).
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	244 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	245
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	246 unsigned int
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	247 if_nametoindex(const char *ifname)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	248 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	249 struct ifaddrs ifaddrs, ifa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	250 unsigned int ni;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	251
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	252 if (getifaddrs(&ifaddrs) < 0)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	253 return(0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	254
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	255 ni = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	256
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	257 for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	258 if (ifa->ifa_addr &&
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	259 ifa->ifa_addr->sa_family == AF_LINK &&
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	260 strcmp(ifa->ifa_name, ifname) == 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	261 ni = ((struct sockaddr_dl*)ifa->ifa_addr)->sdl_index;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	262 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	263 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	264 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	265
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	266 freeifaddrs(ifaddrs);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	267 if (!ni)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	268 errno = ENXIO;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	269 return(ni);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	270 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	271
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	272 /*
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	273 * From RFC 2533:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	274 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	275 * The second function maps an interface index into its corresponding
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	276 * name.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	277 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	278 * #include <net/if.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	279 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	280 * char if_indextoname(unsigned int ifindex, char ifname);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	281 *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	282 * The ifname argument must point to a buffer of at least IF_NAMESIZE
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	283 * bytes into which the interface name corresponding to the specified
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	284 * index is returned. (IF_NAMESIZE is also defined in <net/if.h> and
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	285 * its value includes a terminating null byte at the end of the
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	286 * interface name.) This pointer is also the return value of the
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	287 * function. If there is no interface corresponding to the specified
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	288 * index, NULL is returned, and errno is set to ENXIO, if there was a
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	289 * system error (such as running out of memory), if_indextoname returns
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	290 * NULL and errno would be set to the proper value (e.g., ENOMEM).
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	291 */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	292
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	293 char *
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	294 if_indextoname(unsigned int ifindex, char *ifname)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	295 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	296 struct ifaddrs ifaddrs, ifa;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	297 int error = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	298
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	299 if (getifaddrs(&ifaddrs) < 0)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	300 return(NULL); /* getifaddrs properly set errno */
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	301
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	302 for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	303 if (ifa->ifa_addr &&
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	304 ifa->ifa_addr->sa_family == AF_LINK &&
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	305 ifindex == ((struct sockaddr_dl*)ifa->ifa_addr)->sdl_index)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	306 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	307 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	308
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	309 if (ifa == NULL) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	310 error = ENXIO;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	311 ifname = NULL;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	312 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	313 else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	314 strncpy(ifname, ifa->ifa_name, IFNAMSIZ);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	315
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	316 freeifaddrs(ifaddrs);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	317
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	318 errno = error;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	319 return(ifname);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: diff changeset	320 }

Mercurial > flash_v2

annotate packages/net/common/current/src/ifaddrs.c @ 957:db3e0a2fda2f