GitLab/ocserv
1
0
Fork 0
mirror of https://gitlab.com/openconnect/ocserv.git synced 2026-02-10 08:46:58 +08:00
Code Issues Packages Projects Releases Wiki Activity

ping a single host in IPv6

Browse Source
This commit is contained in:
Nikos Mavrogiannopoulos
2014-01-29 18:35:16 +01:00
parent ec9ee54eca
commit b7a4a098a3
2 changed files with 10 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/icmp-ping.c
View File

@@ -279,15 +279,14 @@ int icmp_ping4(main_server_st * s, struct sockaddr_in *addr1,
}
int icmp_ping6(main_server_st * s,
struct sockaddr_in6 *addr1, struct sockaddr_in6 *addr2)
struct sockaddr_in6 *addr1)
{
struct icmp6_hdr *pkt;
char buf1[64], buf2[64];
char buf1[64];
int pingsock, c;
int sockopt;
char packet1[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
char packet2[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
uint16_t id1, id2;
uint16_t id1;
unsigned gotreply = 0, unreachable = 0;
time_t now;
@@ -295,7 +294,6 @@ int icmp_ping6(main_server_st * s,
return 0;
gnutls_rnd(GNUTLS_RND_NONCE, &id1, sizeof(id1));
gnutls_rnd(GNUTLS_RND_NONCE, &id2, sizeof(id2));
pingsock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
@@ -304,11 +302,6 @@ int icmp_ping6(main_server_st * s,
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
pkt->icmp6_id = id1;
pkt = (struct icmp6_hdr *) packet2;
memset(pkt, 0, sizeof(packet2));
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
pkt->icmp6_id = id2;
#if defined(SOL_RAW) && defined(IPV6_CHECKSUM)
sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM,
@@ -320,13 +313,6 @@ int icmp_ping6(main_server_st * s,
(struct sockaddr *) addr1,
sizeof(*addr1)) == -1) && retry(errno));
while ((c =
sendto(pingsock, packet2,
DEFDATALEN +
sizeof(struct icmp6_hdr), 0,
(struct sockaddr *) addr2, sizeof(*addr2)) == -1)
&& retry(errno));
/* listen for replies */
now = time(0);
while (time(0) - now < PING_TIMEOUT
@@ -342,13 +328,10 @@ int icmp_ping6(main_server_st * s,
} else if (c >= 8 && fromlen == sizeof(struct sockaddr_in6)) { /* icmp6_hdr */
if (memcmp
(SA_IN6_P(&from), SA_IN6_P(addr1),
SA_IN_SIZE(sizeof(*addr1))) == 0 ||
memcmp(SA_IN6_P(&from),
SA_IN6_P(addr2),
SA_IN_SIZE(sizeof(*addr2))) == 0) {
SA_IN_SIZE(sizeof(*addr1))) == 0) {
pkt = (struct icmp6_hdr *) packet1;
if (pkt->icmp6_id == id1 || pkt->icmp6_id == id2) {
if (pkt->icmp6_id == id1) {
if (pkt->icmp6_type == ICMP6_ECHO_REPLY)
gotreply++;
else if (pkt->icmp6_type == ICMP_DEST_UNREACH)
@@ -362,25 +345,17 @@ int icmp_ping6(main_server_st * s,
if (gotreply > 0) {
mslog(s, NULL, LOG_INFO,
"pinged %s and %s and are in use",
"pinged %s and is in use",
human_addr((void *) addr1,
sizeof(struct sockaddr_in6), buf1,
sizeof(buf1)), human_addr((void *) addr2,
sizeof(struct
sockaddr_in6),
buf2,
sizeof(buf2)));
sizeof(buf1)));
return gotreply;
} else {
mslog(s, NULL, LOG_INFO,
"pinged %s and %s and are not in use",
"pinged %s and is not in use",
human_addr((void *) addr1,
sizeof(struct sockaddr_in6), buf1,
sizeof(buf1)), human_addr((void *) addr2,
sizeof(struct
sockaddr_in6),
buf2,
sizeof(buf2)));
sizeof(buf1)));
return 0;
}
}

2
src/icmp-ping.h
View File

@@ -26,6 +26,6 @@
/* returns the number of positive replies received or
* 0 if no host with this IP exists. */
int icmp_ping4(main_server_st* s, struct sockaddr_in* addr1, struct sockaddr_in* addr2);
int icmp_ping6(main_server_st* s, struct sockaddr_in6* addr1, struct sockaddr_in6* addr2);
int icmp_ping6(main_server_st* s, struct sockaddr_in6* addr1);
#endif