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-rw-r--r--toys/net/ping.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/toys/net/ping.c b/toys/net/ping.c
index cf1081af..f7c6ca12 100644
--- a/toys/net/ping.c
+++ b/toys/net/ping.c
@@ -11,7 +11,7 @@
* Yes, I wimped out and capped -s at sizeof(toybuf), waiting for a complaint...
// -s > 4088 = sizeof(toybuf)-sizeof(struct icmphdr), then kernel adds 20 bytes
-USE_PING(NEWTOY(ping, "<1>1t#<0>255=64c#<0=3s#<0>4088=56I:i:W#<0=10w#<0qf46[-46]", TOYFLAG_USR|TOYFLAG_BIN))
+USE_PING(NEWTOY(ping, "<1>1m#t#<0>255=64c#<0=3s#<0>4088=56I:i:W#<0=10w#<0qf46[-46]", TOYFLAG_USR|TOYFLAG_BIN))
config PING
bool "ping"
@@ -31,6 +31,7 @@ config PING
-f Flood (print . and \b to show drops, default -c 15 -i 0.2)
-i TIME Interval between packets (default 1, need root for < .2)
-I IFACE/IP Source interface or address
+ -m MARK Tag outgoing packets using SO_MARK
-q Quiet (stops after one returns true if host is alive)
-s SIZE Data SIZE in bytes (default 56)
-t TTL Set Time To Live (number of hops)
@@ -52,6 +53,7 @@ GLOBALS(
long s;
long c;
long t;
+ long m;
struct sockaddr *sa;
int sock;
@@ -180,12 +182,18 @@ void ping_main(void)
}
if (TT.I && bind(TT.sock, sa, sizeof(src_addr))) perror_exit("bind");
+ if (toys.optflags&FLAG_m) {
+ int mark = TT.m;
+
+ xsetsockopt(TT.sock, SOL_SOCKET, SO_MARK, &mark, sizeof(mark));
+ }
+
if (TT.t) {
len = TT.t;
if (ai->ai_family == AF_INET)
- setsockopt(TT.sock, IPPROTO_IP, IP_TTL, &len, 4);
- else setsockopt(TT.sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &len, 4);
+ xsetsockopt(TT.sock, IPPROTO_IP, IP_TTL, &len, 4);
+ else xsetsockopt(TT.sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &len, 4);
}
if (!(toys.optflags&FLAG_q)) {