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Diffstat (limited to 'usr.sbin/ndp/ndp.c')
-rw-r--r--usr.sbin/ndp/ndp.c295
1 files changed, 50 insertions, 245 deletions
diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c
index 339a4b6..cf681fe 100644
--- a/usr.sbin/ndp/ndp.c
+++ b/usr.sbin/ndp/ndp.c
@@ -121,28 +121,26 @@ static int32_t thiszone; /* time difference with gmt */
static int s = -1;
static int repeat = 0;
-char ntop_buf[INET6_ADDRSTRLEN]; /* inet_ntop() */
-char host_buf[NI_MAXHOST]; /* getnameinfo() */
-char ifix_buf[IFNAMSIZ]; /* if_indextoname() */
+static char host_buf[NI_MAXHOST]; /* getnameinfo() */
+static char ifix_buf[IFNAMSIZ]; /* if_indextoname() */
-int main(int, char **);
static int file(char *);
-void getsocket(void);
-int set(int, char **);
-void get(char *);
-int delete(char *);
-void dump(struct sockaddr_in6 *, int);
+static void getsocket(void);
+static int set(int, char **);
+static void get(char *);
+static int delete(char *);
+static void dump(struct sockaddr_in6 *, int);
static struct in6_nbrinfo *getnbrinfo(struct in6_addr *, int, int);
static char *ether_str(struct sockaddr_dl *);
-int ndp_ether_aton(char *, u_char *);
-void usage(void);
-int rtmsg(int);
-void ifinfo(char *, int, char **);
-void rtrlist(void);
-void plist(void);
-void pfx_flush(void);
-void rtr_flush(void);
-void harmonize_rtr(void);
+static int ndp_ether_aton(char *, u_char *);
+static void usage(void);
+static int rtmsg(int);
+static void ifinfo(char *, int, char **);
+static void rtrlist(void);
+static void plist(void);
+static void pfx_flush(void);
+static void rtr_flush(void);
+static void harmonize_rtr(void);
#ifdef SIOCSDEFIFACE_IN6 /* XXX: check SIOCGDEFIFACE_IN6 as well? */
static void getdefif(void);
static void setdefif(char *);
@@ -150,22 +148,18 @@ static void setdefif(char *);
static char *sec2str(time_t);
static void ts_print(const struct timeval *);
-#ifdef ICMPV6CTL_ND6_DRLIST
static char *rtpref_str[] = {
"medium", /* 00 */
"high", /* 01 */
"rsv", /* 10 */
"low" /* 11 */
};
-#endif
-
-int mode = 0;
-char *arg = NULL;
int
main(int argc, char **argv)
{
- int ch;
+ int ch, mode = 0;
+ char *arg = NULL;
pid = getpid();
thiszone = gmt2local(0);
@@ -348,7 +342,7 @@ file(char *name)
return (retval);
}
-void
+static void
getsocket()
{
if (s < 0) {
@@ -360,20 +354,31 @@ getsocket()
}
}
-struct sockaddr_in6 so_mask = {sizeof(so_mask), AF_INET6 };
-struct sockaddr_in6 blank_sin = {sizeof(blank_sin), AF_INET6 }, sin_m;
-struct sockaddr_dl blank_sdl = {sizeof(blank_sdl), AF_LINK }, sdl_m;
-time_t expire_time;
-int flags, found_entry;
-struct {
+static struct sockaddr_in6 so_mask = {
+ .sin6_len = sizeof(so_mask),
+ .sin6_family = AF_INET6
+};
+static struct sockaddr_in6 blank_sin = {
+ .sin6_len = sizeof(blank_sin),
+ .sin6_family = AF_INET6
+};
+static struct sockaddr_in6 sin_m;
+static struct sockaddr_dl blank_sdl = {
+ .sdl_len = sizeof(blank_sdl),
+ .sdl_family = AF_LINK
+};
+static struct sockaddr_dl sdl_m;
+static time_t expire_time;
+static int flags, found_entry;
+static struct {
struct rt_msghdr m_rtm;
char m_space[512];
-} m_rtmsg;
+} m_rtmsg;
/*
* Set an individual neighbor cache entry
*/
-int
+static int
set(int argc, char **argv)
{
register struct sockaddr_in6 *sin = &sin_m;
@@ -448,7 +453,7 @@ overwrite:
/*
* Display an individual neighbor cache entry
*/
-void
+static void
get(char *host)
{
struct sockaddr_in6 *sin = &sin_m;
@@ -480,7 +485,7 @@ get(char *host)
/*
* Delete a neighbor cache entry
*/
-int
+static int
delete(char *host)
{
struct sockaddr_in6 *sin = &sin_m;
@@ -548,7 +553,7 @@ delete:
/*
* Dump the entire neighbor cache
*/
-void
+static void
dump(struct sockaddr_in6 *addr, int cflag)
{
int mib[6];
@@ -782,7 +787,6 @@ static char *
ether_str(struct sockaddr_dl *sdl)
{
static char hbuf[NI_MAXHOST];
- char *cp;
if (sdl->sdl_alen == ETHER_ADDR_LEN) {
strlcpy(hbuf, ether_ntoa((struct ether_addr *)LLADDR(sdl)),
@@ -796,7 +800,7 @@ ether_str(struct sockaddr_dl *sdl)
return(hbuf);
}
-int
+static int
ndp_ether_aton(char *a, u_char *n)
{
int i, o[6];
@@ -812,7 +816,7 @@ ndp_ether_aton(char *a, u_char *n)
return (0);
}
-void
+static void
usage()
{
printf("usage: ndp [-nt] hostname\n");
@@ -828,7 +832,7 @@ usage()
exit(1);
}
-int
+static int
rtmsg(int cmd)
{
static int seq;
@@ -893,7 +897,7 @@ doit:
return (0);
}
-void
+static void
ifinfo(char *ifname, int argc, char **argv)
{
struct in6_ndireq nd;
@@ -1053,10 +1057,9 @@ ifinfo(char *ifname, int argc, char **argv)
#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
#endif
-void
+static void
rtrlist()
{
-#ifdef ICMPV6CTL_ND6_DRLIST
int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_DRLIST };
char *buf;
struct in6_defrouter *p, *ep;
@@ -1104,54 +1107,11 @@ rtrlist()
sec2str(p->expire - now.tv_sec));
}
free(buf);
-#else
- struct in6_drlist dr;
- int s, i;
- struct timeval now;
-
- if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
- err(1, "socket");
- /* NOTREACHED */
- }
- bzero(&dr, sizeof(dr));
- strlcpy(dr.ifname, "lo0", sizeof(dr.ifname)); /* dummy */
- if (ioctl(s, SIOCGDRLST_IN6, (caddr_t)&dr) < 0) {
- err(1, "ioctl(SIOCGDRLST_IN6)");
- /* NOTREACHED */
- }
-#define DR dr.defrouter[i]
- for (i = 0 ; DR.if_index && i < DRLSTSIZ ; i++) {
- struct sockaddr_in6 sin6;
-
- bzero(&sin6, sizeof(sin6));
- sin6.sin6_family = AF_INET6;
- sin6.sin6_len = sizeof(sin6);
- sin6.sin6_addr = DR.rtaddr;
- getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, host_buf,
- sizeof(host_buf), NULL, 0,
- (nflag ? NI_NUMERICHOST : 0));
-
- printf("%s if=%s", host_buf,
- if_indextoname(DR.if_index, ifix_buf));
- printf(", flags=%s%s",
- DR.flags & ND_RA_FLAG_MANAGED ? "M" : "",
- DR.flags & ND_RA_FLAG_OTHER ? "O" : "");
- gettimeofday(&now, 0);
- if (DR.expire == 0)
- printf(", expire=Never\n");
- else
- printf(", expire=%s\n",
- sec2str(DR.expire - now.tv_sec));
- }
-#undef DR
- close(s);
-#endif
}
-void
+static void
plist()
{
-#ifdef ICMPV6CTL_ND6_PRLIST
int mib[] = { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_ND6_PRLIST };
char *buf;
struct in6_prefix *p, *ep, *n;
@@ -1261,164 +1221,9 @@ plist()
printf(" No advertising router\n");
}
free(buf);
-#else
- struct in6_prlist pr;
- int s, i;
- struct timeval now;
-
- gettimeofday(&now, 0);
-
- if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
- err(1, "socket");
- /* NOTREACHED */
- }
- bzero(&pr, sizeof(pr));
- strlcpy(pr.ifname, "lo0", sizeof(pr.ifname)); /* dummy */
- if (ioctl(s, SIOCGPRLST_IN6, (caddr_t)&pr) < 0) {
- err(1, "ioctl(SIOCGPRLST_IN6)");
- /* NOTREACHED */
- }
-#define PR pr.prefix[i]
- for (i = 0; PR.if_index && i < PRLSTSIZ ; i++) {
- struct sockaddr_in6 p6;
- char namebuf[NI_MAXHOST];
- int niflags;
-
-#ifdef NDPRF_ONLINK
- p6 = PR.prefix;
-#else
- memset(&p6, 0, sizeof(p6));
- p6.sin6_family = AF_INET6;
- p6.sin6_len = sizeof(p6);
- p6.sin6_addr = PR.prefix;
-#endif
- niflags = NI_NUMERICHOST;
- if (getnameinfo((struct sockaddr *)&p6,
- sizeof(p6), namebuf, sizeof(namebuf),
- NULL, 0, niflags)) {
- warnx("getnameinfo failed");
- continue;
- }
- printf("%s/%d if=%s\n", namebuf, PR.prefixlen,
- if_indextoname(PR.if_index, ifix_buf));
-
- gettimeofday(&now, 0);
- /*
- * meaning of fields, especially flags, is very different
- * by origin. notify the difference to the users.
- */
-#if 0
- printf(" %s",
- PR.origin == PR_ORIG_RA ? "" : "advertise: ");
-#endif
-#ifdef NDPRF_ONLINK
- printf("flags=%s%s%s%s%s",
- PR.raflags.onlink ? "L" : "",
- PR.raflags.autonomous ? "A" : "",
- (PR.flags & NDPRF_ONLINK) != 0 ? "O" : "",
- (PR.flags & NDPRF_DETACHED) != 0 ? "D" : "",
-#ifdef NDPRF_HOME
- (PR.flags & NDPRF_HOME) != 0 ? "H" : ""
-#else
- ""
-#endif
- );
-#else
- printf("flags=%s%s",
- PR.raflags.onlink ? "L" : "",
- PR.raflags.autonomous ? "A" : "");
-#endif
- if (PR.vltime == ND6_INFINITE_LIFETIME)
- printf(" vltime=infinity");
- else
- printf(" vltime=%lu", PR.vltime);
- if (PR.pltime == ND6_INFINITE_LIFETIME)
- printf(", pltime=infinity");
- else
- printf(", pltime=%lu", PR.pltime);
- if (PR.expire == 0)
- printf(", expire=Never");
- else if (PR.expire >= now.tv_sec)
- printf(", expire=%s",
- sec2str(PR.expire - now.tv_sec));
- else
- printf(", expired");
-#ifdef NDPRF_ONLINK
- printf(", ref=%d", PR.refcnt);
-#endif
-#if 0
- switch (PR.origin) {
- case PR_ORIG_RA:
- printf(", origin=RA");
- break;
- case PR_ORIG_RR:
- printf(", origin=RR");
- break;
- case PR_ORIG_STATIC:
- printf(", origin=static");
- break;
- case PR_ORIG_KERNEL:
- printf(", origin=kernel");
- break;
- default:
- printf(", origin=?");
- break;
- }
-#endif
- printf("\n");
- /*
- * "advertising router" list is meaningful only if the prefix
- * information is from RA.
- */
- if (0 && /* prefix origin is almost obsolted */
- PR.origin != PR_ORIG_RA)
- ;
- else if (PR.advrtrs) {
- int j;
- printf(" advertised by\n");
- for (j = 0; j < PR.advrtrs; j++) {
- struct sockaddr_in6 sin6;
- struct in6_nbrinfo *nbi;
-
- bzero(&sin6, sizeof(sin6));
- sin6.sin6_family = AF_INET6;
- sin6.sin6_len = sizeof(sin6);
- sin6.sin6_addr = PR.advrtr[j];
- sin6.sin6_scope_id = PR.if_index; /* XXX */
- getnameinfo((struct sockaddr *)&sin6,
- sin6.sin6_len, host_buf,
- sizeof(host_buf), NULL, 0,
- (nflag ? NI_NUMERICHOST : 0));
- printf(" %s", host_buf);
-
- nbi = getnbrinfo(&sin6.sin6_addr,
- PR.if_index, 0);
- if (nbi) {
- switch (nbi->state) {
- case ND6_LLINFO_REACHABLE:
- case ND6_LLINFO_STALE:
- case ND6_LLINFO_DELAY:
- case ND6_LLINFO_PROBE:
- printf(" (reachable)\n");
- break;
- default:
- printf(" (unreachable)\n");
- }
- } else
- printf(" (no neighbor state)\n");
- }
- if (PR.advrtrs > DRLSTSIZ)
- printf(" and %d routers\n",
- PR.advrtrs - DRLSTSIZ);
- } else
- printf(" No advertising router\n");
- }
-#undef PR
- close(s);
-#endif
}
-void
+static void
pfx_flush()
{
char dummyif[IFNAMSIZ+8];
@@ -1431,7 +1236,7 @@ pfx_flush()
err(1, "ioctl(SIOCSPFXFLUSH_IN6)");
}
-void
+static void
rtr_flush()
{
char dummyif[IFNAMSIZ+8];
@@ -1446,7 +1251,7 @@ rtr_flush()
close(s);
}
-void
+static void
harmonize_rtr()
{
char dummyif[IFNAMSIZ+8];
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