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drop the code for the environment where getifaddrs(3) is not

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supported.

Obtained from:	KAME
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2003-08-08 16:52:31 +00:00
parent 8198209700
commit 5ed8c16b88
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118663
3 changed files with 1 additions and 91 deletions
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2
usr.sbin/rtsold/Makefile
View File

@ -19,7 +19,7 @@ MAN= rtsold.8
MLINKS= rtsold.8 rtsol.8
SRCS= rtsold.c rtsol.c if.c probe.c dump.c rtsock.c
CFLAGS+= -DINET6 -DHAVE_GETIFADDRS -DHAVE_ARC4RANDOM
CFLAGS+= -DINET6 -DHAVE_ARC4RANDOM
DPADD= ${LIBKVM}
LDADD= -lkvm

86
usr.sbin/rtsold/if.c
View File

@ -68,9 +68,7 @@
#include <fcntl.h>
#include <errno.h>
#include <limits.h>
#ifdef HAVE_GETIFADDRS
#include <ifaddrs.h>
#endif
#include "rtsold.h"
@ -78,9 +76,6 @@ extern int rssock;
static int ifsock;
static int get_llflag __P((const char *name));
#ifndef HAVE_GETIFADDRS
static unsigned int if_maxindex __P((void));
#endif
static void get_rtaddrs __P((int addrs, struct sockaddr *sa,
struct sockaddr **rti_info));
@ -326,7 +321,6 @@ getinet6sysctl(int code)
static int
get_llflag(const char *name)
{
#ifdef HAVE_GETIFADDRS
struct ifaddrs *ifap, *ifa;
struct in6_ifreq ifr6;
struct sockaddr_in6 *sin6;
@ -370,88 +364,8 @@ get_llflag(const char *name)
freeifaddrs(ifap);
close(s);
return -1;
#else
int s;
unsigned int maxif;
struct ifreq *iflist;
struct ifconf ifconf;
struct ifreq *ifr, *ifr_end;
struct sockaddr_in6 *sin6;
struct in6_ifreq ifr6;
maxif = if_maxindex() + 1;
iflist = (struct ifreq *)malloc(maxif * BUFSIZ); /* XXX */
if (iflist == NULL) {
warnmsg(LOG_ERR, __func__, "not enough core");
exit(1);
}
if ((s = socket(PF_INET6, SOCK_DGRAM, 0)) < 0) {
warnmsg(LOG_ERR, __func__, "socket(SOCK_DGRAM): %s",
strerror(errno));
exit(1);
}
memset(&ifconf, 0, sizeof(ifconf));
ifconf.ifc_req = iflist;
ifconf.ifc_len = maxif * BUFSIZ; /* XXX */
if (ioctl(s, SIOCGIFCONF, &ifconf) < 0) {
warnmsg(LOG_ERR, __func__, "ioctl(SIOCGIFCONF): %s",
strerror(errno));
exit(1);
}
/* Look for this interface in the list */
ifr_end = (struct ifreq *) (ifconf.ifc_buf + ifconf.ifc_len);
for (ifr = ifconf.ifc_req;
ifr < ifr_end;
ifr = (struct ifreq *) ((char *) &ifr->ifr_addr
+ ifr->ifr_addr.sa_len)) {
if (strlen(ifr->ifr_name) != strlen(name)
|| strncmp(ifr->ifr_name, name, strlen(name)) != 0)
continue;
if (ifr->ifr_addr.sa_family != AF_INET6)
continue;
sin6 = (struct sockaddr_in6 *)&ifr->ifr_addr;
if (!IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
continue;
memset(&ifr6, 0, sizeof(ifr6));
strcpy(ifr6.ifr_name, name);
memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);
if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) < 0) {
warnmsg(LOG_ERR, __func__,
"ioctl(SIOCGIFAFLAG_IN6): %s", strerror(errno));
exit(1);
}
free(iflist);
close(s);
return ifr6.ifr_ifru.ifru_flags6;
}
free(iflist);
close(s);
return -1;
#endif
}
#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
get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info)
{

4
usr.sbin/rtsold/rtsold.c
View File

@ -751,9 +751,6 @@ warnmsg(priority, func, msg, va_alist)
static char **
autoifprobe()
{
#ifndef HAVE_GETIFADDRS
errx(1, "-a is not available with the configuration");
#else
static char ifname[IFNAMSIZ + 1];
static char *argv[2];
struct ifaddrs *ifap, *ifa, *target;
@ -804,5 +801,4 @@ autoifprobe()
return argv;
else
return (char **)NULL;
#endif
}