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assume the presense of getifaddrs(3). sync with kame

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This commit is contained in:
itojun 2001-11-21 06:53:13 +00:00
parent d1fee0dd15
commit f8e9dbe7d3
1 changed files with 1 additions and 113 deletions
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114
usr.sbin/faithd/faithd.c
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@ -1,4 +1,4 @@
/* $NetBSD: faithd.c,v 1.21 2001/11/21 06:52:35 itojun Exp $ */
/* $NetBSD: faithd.c,v 1.22 2001/11/21 06:53:13 itojun Exp $ */
/* $KAME: faithd.c,v 1.40 2001/07/02 14:36:48 itojun Exp $ */
/*
@ -36,7 +36,6 @@
* Usage: faithd [<port> <progpath> <arg1(progname)> <arg2> ...]
* e.g. faithd telnet /usr/local/v6/sbin/telnetd telnetd
*/
#define HAVE_GETIFADDRS
#include <sys/param.h>
#include <sys/types.h>
@ -72,9 +71,7 @@
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#ifdef HAVE_GETIFADDRS
#include <ifaddrs.h>
#endif
#ifdef FAITH4
#include <resolv.h>
@ -121,9 +118,6 @@ static void sig_terminate __P((int));
static void start_daemon __P((void));
static void exit_stderr __P((const char *, ...))
__attribute__((__format__(__printf__, 1, 2)));
#ifndef HAVE_GETIFADDRS
static unsigned int if_maxindex __P((void));
#endif
static void grab_myaddrs __P((void));
static void free_myaddrs __P((void));
static void update_myaddrs __P((void));
@ -856,27 +850,9 @@ exit_success(const char *fmt, ...)
}
#ifdef USE_ROUTE
#ifndef HAVE_GETIFADDRS
static unsigned int
if_maxindex()
{
struct if_nameindex *p, *p0;
unsigned int max = 0;
p0 = if_nameindex();
for (p = p0; p && p->if_index && p->if_name; p++) {
if (max < p->if_index)
max = p->if_index;
}
if_freenameindex(p0);
return max;
}
#endif
static void
grab_myaddrs()
{
#ifdef HAVE_GETIFADDRS
struct ifaddrs *ifap, *ifa;
struct myaddrs *p;
struct sockaddr_in6 *sin6;
@ -928,94 +904,6 @@ grab_myaddrs()
}
freeifaddrs(ifap);
#else
int s;
unsigned int maxif;
struct ifreq *iflist;
struct ifconf ifconf;
struct ifreq *ifr, *ifrp, *ifr_end;
struct myaddrs *p;
struct sockaddr_in6 *sin6;
size_t siz;
char ifrbuf[sizeof(struct ifreq) + 1024];
maxif = if_maxindex() + 1;
iflist = (struct ifreq *)malloc(maxif * BUFSIZ); /* XXX */
if (!iflist) {
exit_failure("not enough core");
/*NOTREACHED*/
}
if ((s = socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
exit_failure("socket(SOCK_DGRAM)");
/*NOTREACHED*/
}
memset(&ifconf, 0, sizeof(ifconf));
ifconf.ifc_req = iflist;
ifconf.ifc_len = maxif * BUFSIZ; /* XXX */
if (ioctl(s, SIOCGIFCONF, &ifconf) < 0) {
exit_failure("ioctl(SIOCGIFCONF)");
/*NOTREACHED*/
}
close(s);
/* Look for this interface in the list */
ifr_end = (struct ifreq *) (ifconf.ifc_buf + ifconf.ifc_len);
for (ifrp = ifconf.ifc_req;
ifrp < ifr_end;
ifrp = (struct ifreq *)((char *)ifrp + siz)) {
memcpy(ifrbuf, ifrp, sizeof(*ifrp));
ifr = (struct ifreq *)ifrbuf;
siz = ifr->ifr_addr.sa_len;
if (siz < sizeof(ifr->ifr_addr))
siz = sizeof(ifr->ifr_addr);
siz += (sizeof(*ifrp) - sizeof(ifr->ifr_addr));
if (siz > sizeof(ifrbuf)) {
/* ifr too big */
break;
}
memcpy(ifrbuf, ifrp, siz);
switch (ifr->ifr_addr.sa_family) {
case AF_INET:
case AF_INET6:
p = (struct myaddrs *)malloc(sizeof(struct myaddrs)
+ ifr->ifr_addr.sa_len);
if (!p) {
exit_failure("not enough core");
/*NOTREACHED*/
}
memcpy(p + 1, &ifr->ifr_addr, ifr->ifr_addr.sa_len);
p->next = myaddrs;
p->addr = (struct sockaddr *)(p + 1);
#ifdef __KAME__
if (ifr->ifr_addr.sa_family == AF_INET6) {
sin6 = (struct sockaddr_in6 *)p->addr;
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)
|| IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr)) {
sin6->sin6_scope_id =
ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
sin6->sin6_addr.s6_addr[2] = 0;
sin6->sin6_addr.s6_addr[3] = 0;
}
}
#endif
myaddrs = p;
if (dflag) {
char hbuf[NI_MAXHOST];
getnameinfo(p->addr, p->addr->sa_len,
hbuf, sizeof(hbuf), NULL, 0,
NI_NUMERICHOST);
syslog(LOG_INFO, "my interface: %s %s", hbuf, ifr->ifr_name);
}
break;
default:
break;
}
}
free(iflist);
#endif
}
static void