diff options
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/ping/ping.8 | 6 | ||||
| -rw-r--r-- | sbin/ping/ping.c | 14 |
2 files changed, 17 insertions, 3 deletions
diff --git a/sbin/ping/ping.8 b/sbin/ping/ping.8 index 71fa31a..49223e4 100644 --- a/sbin/ping/ping.8 +++ b/sbin/ping/ping.8 @@ -42,7 +42,7 @@ packets to network hosts .Sh SYNOPSIS .Nm -.Op Fl AaDdfnoQqRrv +.Op Fl AaDdEfnoQqRrv .Op Fl c Ar count .Op Fl i Ar wait .Op Fl l Ar preload @@ -56,7 +56,7 @@ packets to network hosts .Op Fl z Ar tos .Ar host .Nm -.Op Fl AaDdfLnoQqRrv +.Op Fl AaDdEfLnoQqRrv .Op Fl c Ar count .Op Fl I Ar iface .Op Fl i Ar wait @@ -122,6 +122,8 @@ If this option is not specified, will operate until interrupted. .It Fl D Set the Don't Fragment bit. +.It Fl E +Set the EVIL bit. .It Fl d Set the .Dv SO_DEBUG diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c index 0d41c92..01a1459 100644 --- a/sbin/ping/ping.c +++ b/sbin/ping/ping.c @@ -143,6 +143,7 @@ int options; #define F_HDRINCL 0x40000 #define F_MASK 0x80000 #define F_TIME 0x100000 +#define F_SO_EVIL 0x200000 /* * MAX_DUP_CHK is the number of bits in received table, i.e. the maximum @@ -256,7 +257,7 @@ main(argc, argv) outpack = outpackhdr + sizeof(struct ip); while ((ch = getopt(argc, argv, - "Aac:DdfI:i:Ll:M:m:nop:QqRrS:s:T:t:vz:" + "Aac:DdEfI:i:Ll:M:m:nop:QqRrS:s:T:t:vz:" #ifdef IPSEC #ifdef IPSEC_POLICY_IPSEC "P:" @@ -286,6 +287,9 @@ main(argc, argv) case 'd': options |= F_SO_DEBUG; break; + case 'E': + options |= F_SO_EVIL; + break; case 'f': if (uid) { errno = EPERM; @@ -547,6 +551,10 @@ main(argc, argv) if (options & F_SO_DONTROUTE) (void)setsockopt(s, SOL_SOCKET, SO_DONTROUTE, (char *)&hold, sizeof(hold)); + if (options & F_SO_EVIL) + if (setsockopt(s, IPPROTO_IP, IP_EVIL_INTENT, (char *)&hold, + sizeof(hold)) != 0) + err(EX_OSERR, "setsockopt(s, IPPROTO_IP, IP_EVIL_INTENT, ...)"); #ifdef IPSEC #ifdef IPSEC_POLICY_IPSEC if (options & F_POLICY) { @@ -593,6 +601,8 @@ main(argc, argv) ip->ip_tos = tos; ip->ip_id = 0; ip->ip_off = df ? IP_DF : 0; + if (options & F_SO_EVIL) + ip->ip_off |= IP_EVIL; ip->ip_ttl = ttl; ip->ip_p = IPPROTO_ICMP; ip->ip_src.s_addr = source ? sock_in.sin_addr.s_addr : INADDR_ANY; @@ -991,6 +1001,8 @@ pr_pack(buf, cc, from, tv) (void)printf(" ttl=%d", ip->ip_ttl); if (timing) (void)printf(" time=%.3f ms", triptime); + if (ip->ip_off & IP_EVIL) + (void)printf(" (EVIL)"); if (dupflag) (void)printf(" (DUP!)"); if (options & F_AUDIBLE) |
