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- Use getnameinfo() for both of AF_INET and AF_INET6 in routename().

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- Add missing "static".
This commit is contained in:
Hiroki Sato 2013-07-21 14:27:07 +00:00
parent f44fbb4c13
commit 9ae3241587
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=253519
1 changed files with 57 additions and 49 deletions
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106
sbin/route/route.c
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@ -135,7 +135,7 @@ static int fiboptlist_range(const char *, struct fibl_head_t *);
static void usage(const char *) __dead2;
void
static void
usage(const char *cp)
{
if (cp != NULL)
@ -489,15 +489,12 @@ flushroutes_fib(int fib)
return (error);
}
const char *
static const char *
routename(struct sockaddr *sa)
{
struct sockaddr_dl *sdl;
const char *cp;
static char line[MAXHOSTNAMELEN + 1];
#ifdef INET
struct hostent *hp;
#endif
static char line[NI_MAXHOST];
static char domain[MAXHOSTNAMELEN + 1];
static int first = 1, n;
@ -511,63 +508,71 @@ routename(struct sockaddr *sa)
domain[0] = '\0';
}
/* If the address is zero-filled, use "default". */
if (sa->sa_len == 0 && nflag == 0)
return ("default");
#if defined(INET) || defined(INET6)
switch (sa->sa_family) {
#ifdef INET
case AF_INET:
{
struct in_addr in;
in = ((struct sockaddr_in *)(void *)sa)->sin_addr;
cp = NULL;
if (in.s_addr == INADDR_ANY && nflag == 0)
return ("default");
if (nflag == 0) {
hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
AF_INET);
if (hp != NULL) {
char *cptr;
cptr = strchr(hp->h_name, '.');
if (cptr != NULL &&
strcmp(cptr + 1, domain) == 0)
*cptr = '\0';
cp = hp->h_name;
}
}
if (cp != NULL) {
strncpy(line, cp, sizeof(line) - 1);
line[sizeof(line) - 1] = '\0';
} else
(void)sprintf(line, "%s", inet_ntoa(in));
/* If the address is zero-filled, use "default". */
if (nflag == 0 &&
((struct sockaddr_in *)(void *)sa)->sin_addr.s_addr ==
INADDR_ANY)
return("default");
break;
}
#endif
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 sin6; /* use static var for safety */
int niflags = 0;
/* Check if the address is ::. If true, use "default". */
/* If the address is zero-filled, use "default". */
if (nflag == 0 &&
IN6_IS_ADDR_UNSPECIFIED(&((struct sockaddr_in6 *)(void *)sa)->sin6_addr))
return("default");
memset(&sin6, 0, sizeof(sin6));
memcpy(&sin6, sa, sa->sa_len);
sin6.sin6_len = sizeof(struct sockaddr_in6);
sin6.sin6_family = AF_INET6;
if (nflag)
niflags |= NI_NUMERICHOST;
if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
line, sizeof(line), NULL, 0, niflags) != 0)
strncpy(line, "invalid", sizeof(line));
return (line);
break;
#endif
}
#endif
switch (sa->sa_family) {
#if defined(INET) || defined(INET6)
#ifdef INET
case AF_INET:
#endif
#ifdef INET6
case AF_INET6:
#endif
{
struct sockaddr_storage ss;
int error;
char *p;
memset(&ss, 0, sizeof(ss));
if (sa->sa_len == 0)
ss.ss_family = sa->sa_family;
else
memcpy(&ss, sa, sa->sa_len);
/* Expand sa->sa_len because it could be shortened. */
if (sa->sa_family == AF_INET)
ss.ss_len = sizeof(struct sockaddr_in);
else if (sa->sa_family == AF_INET6)
ss.ss_len = sizeof(struct sockaddr_in6);
error = getnameinfo((struct sockaddr *)&ss, ss.ss_len,
line, sizeof(line), NULL, 0,
(nflag == 0) ? 0 : NI_NUMERICHOST);
if (error) {
warnx("getnameinfo(): %s", gai_strerror(error));
strncpy(line, "invalid", sizeof(line));
}
/* Remove the domain part if any. */
p = strchr(line, '.');
if (p != NULL && strcmp(p + 1, domain) == 0)
*p = '\0';
return (line);
break;
}
#endif
case AF_APPLETALK:
(void)snprintf(line, sizeof(line), "atalk %s",
atalk_ntoa(((struct sockaddr_at *)(void *)sa)->sat_addr));
@ -610,7 +615,7 @@ routename(struct sockaddr *sa)
* Return the name of the network whose address is given.
* The address is assumed to be that of a net, not a host.
*/
const char *
static const char *
netname(struct sockaddr *sa)
{
struct sockaddr_dl *sdl;
@ -1153,6 +1158,9 @@ getaddr(int idx, char *str, struct hostent **hpp, int nrflags)
aflen = sizeof(struct sockaddr_dl);
#endif
}
#ifndef INET
hpp = NULL;
#endif
rtm_addrs |= (1 << idx);
if (idx > RTAX_MAX)