diff options
Diffstat (limited to 'usr.sbin/ndp')
-rw-r--r-- | usr.sbin/ndp/ndp.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c index 37aa26a4352..d358a912ea0 100644 --- a/usr.sbin/ndp/ndp.c +++ b/usr.sbin/ndp/ndp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ndp.c,v 1.107 2022/12/28 21:30:17 jmc Exp $ */ +/* $OpenBSD: ndp.c,v 1.108 2023/04/04 21:18:04 bluhm Exp $ */ /* $KAME: ndp.c,v 1.101 2002/07/17 08:46:33 itojun Exp $ */ /* @@ -137,8 +137,7 @@ static int rdomain; int main(int argc, char *argv[]) { - int ch; - int mode = 0; + int ch, mode = 0, error = 0; char *arg = NULL; const char *errstr; @@ -209,7 +208,7 @@ main(int argc, char *argv[]) if (argc != 0) { usage(); } - delete(arg); + error = delete(arg); break; case 'f': if (argc != 0) @@ -232,7 +231,7 @@ main(int argc, char *argv[]) get(argv[0]); break; } - exit(0); + return (error); } /* @@ -414,46 +413,46 @@ get(const char *host) int delete(const char *host) { - struct sockaddr_in6 *sin = &sin_m; - struct rt_msghdr *rtm = &m_rtmsg.m_rtm; + struct sockaddr_in6 *sin; + struct rt_msghdr *rtm; struct sockaddr_dl *sdl; + sin = &sin_m; + rtm = &m_rtmsg.m_rtm; + getsocket(); - sin_m = blank_sin; + sin_m = blank_sin; /* struct copy */ if (parse_host(host, sin)) return 1; if (rtget(&sin, &sdl)) { - errx(1, "RTM_GET(%s) failed", host); + warn("%s", host); + return 1; } - if (IN6_ARE_ADDR_EQUAL(&sin->sin6_addr, &sin_m.sin6_addr) && sin->sin6_scope_id == sin_m.sin6_scope_id) { if (sdl->sdl_family == AF_LINK && rtm->rtm_flags & RTF_LLINFO) { if (rtm->rtm_flags & RTF_LOCAL) - return (0); - if (!(rtm->rtm_flags & RTF_GATEWAY)) + return 0; + if ((rtm->rtm_flags & RTF_GATEWAY) == 0) goto delete; } /* * IPv4 arp command retries with sin_other = SIN_PROXY here. */ - warnx("delete: cannot delete non-NDP entry"); + warnx("delete: cannot locate %s", host); return 1; } delete: if (sdl->sdl_family != AF_LINK) { printf("cannot locate %s\n", host); - return (1); - } - if (rtmsg(RTM_DELETE) == 0) { - getnameinfo((struct sockaddr *)sin, - sin->sin6_len, host_buf, - sizeof(host_buf), NULL, 0, - (nflag ? NI_NUMERICHOST : 0)); - printf("%s (%s) deleted\n", host, host_buf); + return 1; } - + if (rtmsg(RTM_DELETE)) + return 1; + getnameinfo((struct sockaddr *)sin, sin->sin6_len, host_buf, + sizeof(host_buf), NULL, 0, (nflag ? NI_NUMERICHOST : 0)); + printf("%s (%s) deleted\n", host, host_buf); return 0; } |