ping: add -t TTL option

function                                             old     new   delta
common_ping_main                                    1755    1796     +41
packed_usage                                       27954   27971     +17
bbconfig_config_bz2                                 4965    4966      +1
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 59/0)               Total: 59 bytes

Signed-off-by: Joachim Nilsson <joachim.nilsson@vmlinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Joachim Nilsson 2010-11-28 23:01:18 +01:00 committed by Denys Vlasenko
parent 713d241852
commit 714e2b7e6a
5 changed files with 102 additions and 91 deletions

View File

@ -263,8 +263,6 @@ IF_OPENVT(APPLET(openvt, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_PASSWD(APPLET(passwd, _BB_DIR_USR_BIN, _BB_SUID_REQUIRE))
IF_PGREP(APPLET(pgrep, _BB_DIR_USR_BIN, _BB_SUID_DROP))
IF_PIDOF(APPLET(pidof, _BB_DIR_BIN, _BB_SUID_DROP))
IF_PING(APPLET(ping, _BB_DIR_BIN, _BB_SUID_MAYBE))
IF_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_MAYBE))
IF_PIPE_PROGRESS(APPLET(pipe_progress, _BB_DIR_BIN, _BB_SUID_DROP))
IF_PIVOT_ROOT(APPLET(pivot_root, _BB_DIR_SBIN, _BB_SUID_DROP))
IF_PKILL(APPLET_ODDNAME(pkill, pgrep, _BB_DIR_USR_BIN, _BB_SUID_DROP, pkill))

View File

@ -2859,61 +2859,6 @@ INSERT
IF_FEATURE_PIDOF_OMIT( \
"$ pidof /bin/sh -o %PPID\n20351 5950")
#if !ENABLE_FEATURE_FANCY_PING
#define ping_trivial_usage \
"host"
#define ping_full_usage "\n\n" \
"Send ICMP ECHO_REQUEST packets to network hosts"
#define ping6_trivial_usage \
"host"
#define ping6_full_usage "\n\n" \
"Send ICMP ECHO_REQUEST packets to network hosts"
#else
#define ping_trivial_usage \
"[OPTIONS] HOST"
#define ping_full_usage "\n\n" \
"Send ICMP ECHO_REQUEST packets to network hosts\n" \
"\nOptions:" \
"\n -4,-6 Force IP or IPv6 name resolution" \
"\n -c CNT Send only CNT pings" \
"\n -s SIZE Send SIZE data bytes in packets (default:56)" \
"\n -I IFACE/IP Use interface or IP address as source" \
"\n -W SEC Seconds to wait for the first response (default:10)" \
"\n (after all -c CNT packets are sent)" \
"\n -w SEC Seconds until ping exits (default:infinite)" \
"\n (can exit earlier with -c CNT)" \
"\n -q Quiet, only displays output at start" \
"\n and when finished" \
#define ping6_trivial_usage \
"[OPTIONS] HOST"
#define ping6_full_usage "\n\n" \
"Send ICMP ECHO_REQUEST packets to network hosts\n" \
"\nOptions:" \
"\n -c CNT Send only CNT pings" \
"\n -s SIZE Send SIZE data bytes in packets (default:56)" \
"\n -I IFACE/IP Use interface or IP address as source" \
"\n -q Quiet, only displays output at start" \
"\n and when finished" \
#endif
#define ping_example_usage \
"$ ping localhost\n" \
"PING slag (127.0.0.1): 56 data bytes\n" \
"64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=20.1 ms\n" \
"\n" \
"--- debian ping statistics ---\n" \
"1 packets transmitted, 1 packets received, 0% packet loss\n" \
"round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
#define ping6_example_usage \
"$ ping6 ip6-localhost\n" \
"PING ip6-localhost (::1): 56 data bytes\n" \
"64 bytes from ::1: icmp6_seq=0 ttl=64 time=20.1 ms\n" \
"\n" \
"--- ip6-localhost ping statistics ---\n" \
"1 packets transmitted, 1 packets received, 0% packet loss\n" \
"round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
#define pipe_progress_trivial_usage NOUSAGE_STR
#define pipe_progress_full_usage ""

View File

@ -684,29 +684,6 @@ config FEATURE_NTPD_SERVER
Make ntpd usable as a NTP server. If you disable this option
ntpd will be usable only as a NTP client.
config PING
bool "ping"
default y
depends on PLATFORM_LINUX
help
ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to
elicit an ICMP ECHO_RESPONSE from a host or gateway.
config PING6
bool "ping6"
default y
depends on FEATURE_IPV6 && PING
help
This will give you a ping that can talk IPv6.
config FEATURE_FANCY_PING
bool "Enable fancy ping output"
default y
depends on PING
help
Make the output from the ping applet include statistics, and at the
same time provide full support for ICMP packets.
config PSCAN
bool "pscan"
default y

View File

@ -30,8 +30,6 @@ lib-$(CONFIG_NC) += nc.o
lib-$(CONFIG_NETSTAT) += netstat.o
lib-$(CONFIG_NSLOOKUP) += nslookup.o
lib-$(CONFIG_NTPD) += ntpd.o
lib-$(CONFIG_PING) += ping.o
lib-$(CONFIG_PING6) += ping.o
lib-$(CONFIG_PSCAN) += pscan.o
lib-$(CONFIG_ROUTE) += route.o
lib-$(CONFIG_SLATTACH) += slattach.o

View File

@ -29,6 +29,92 @@
#include <netinet/ip_icmp.h>
#include "libbb.h"
//config:config PING
//config: bool "ping"
//config: default y
//config: depends on PLATFORM_LINUX
//config: help
//config: ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to
//config: elicit an ICMP ECHO_RESPONSE from a host or gateway.
//config:
//config:config PING6
//config: bool "ping6"
//config: default y
//config: depends on FEATURE_IPV6 && PING
//config: help
//config: This will give you a ping that can talk IPv6.
//config:
//config:config FEATURE_FANCY_PING
//config: bool "Enable fancy ping output"
//config: default y
//config: depends on PING
//config: help
//config: Make the output from the ping applet include statistics, and at the
//config: same time provide full support for ICMP packets.
//applet:IF_PING(APPLET(ping, _BB_DIR_BIN, _BB_SUID_MAYBE))
//applet:IF_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_MAYBE))
//kbuild:lib-$(CONFIG_PING) += ping.o
//kbuild:lib-$(CONFIG_PING6) += ping.o
//usage:#if !ENABLE_FEATURE_FANCY_PING
//usage:# define ping_trivial_usage
//usage: "HOST"
//usage:# define ping_full_usage "\n\n"
//usage: "Send ICMP ECHO_REQUEST packets to network hosts"
//usage:# define ping6_trivial_usage
//usage: "HOST"
//usage:# define ping6_full_usage "\n\n"
//usage: "Send ICMP ECHO_REQUEST packets to network hosts"
//usage:#else
//usage:# define ping_trivial_usage
//usage: "[OPTIONS] HOST"
//usage:# define ping_full_usage "\n\n"
//usage: "Send ICMP ECHO_REQUEST packets to network hosts\n"
//usage: "\nOptions:"
//usage: "\n -4,-6 Force IP or IPv6 name resolution"
//usage: "\n -c CNT Send only CNT pings"
//usage: "\n -s SIZE Send SIZE data bytes in packets (default:56)"
//usage: "\n -t TTL Set TTL"
//usage: "\n -I IFACE/IP Use interface or IP address as source"
//usage: "\n -W SEC Seconds to wait for the first response (default:10)"
//usage: "\n (after all -c CNT packets are sent)"
//usage: "\n -w SEC Seconds until ping exits (default:infinite)"
//usage: "\n (can exit earlier with -c CNT)"
//usage: "\n -q Quiet, only displays output at start"
//usage: "\n and when finished"
//usage:
//usage:# define ping6_trivial_usage
//usage: "[OPTIONS] HOST"
//usage:# define ping6_full_usage "\n\n"
//usage: "Send ICMP ECHO_REQUEST packets to network hosts\n"
//usage: "\nOptions:"
//usage: "\n -c CNT Send only CNT pings"
//usage: "\n -s SIZE Send SIZE data bytes in packets (default:56)"
//usage: "\n -I IFACE/IP Use interface or IP address as source"
//usage: "\n -q Quiet, only displays output at start"
//usage: "\n and when finished"
//usage:
//usage:#endif
//usage:
//usage:#define ping_example_usage
//usage: "$ ping localhost\n"
//usage: "PING slag (127.0.0.1): 56 data bytes\n"
//usage: "64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=20.1 ms\n"
//usage: "\n"
//usage: "--- debian ping statistics ---\n"
//usage: "1 packets transmitted, 1 packets received, 0% packet loss\n"
//usage: "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
//usage:#define ping6_example_usage
//usage: "$ ping6 ip6-localhost\n"
//usage: "PING ip6-localhost (::1): 56 data bytes\n"
//usage: "64 bytes from ::1: icmp6_seq=0 ttl=64 time=20.1 ms\n"
//usage: "\n"
//usage: "--- ip6-localhost ping statistics ---\n"
//usage: "1 packets transmitted, 1 packets received, 0% packet loss\n"
//usage: "round-trip min/avg/max = 20.1/20.1/20.1 ms\n"
#if ENABLE_PING6
# include <netinet/icmp6.h>
/* I see RENUMBERED constants in bits/in.h - !!?
@ -223,17 +309,18 @@ static int common_ping_main(sa_family_t af, char **argv)
/* Full(er) version */
#define OPT_STRING ("qvc:s:w:W:I:4" IF_PING6("6"))
#define OPT_STRING ("qvc:s:t:w:W:I:4" IF_PING6("6"))
enum {
OPT_QUIET = 1 << 0,
OPT_VERBOSE = 1 << 1,
OPT_c = 1 << 2,
OPT_s = 1 << 3,
OPT_w = 1 << 4,
OPT_W = 1 << 5,
OPT_I = 1 << 6,
OPT_IPV4 = 1 << 7,
OPT_IPV6 = (1 << 8) * ENABLE_PING6,
OPT_t = 1 << 4,
OPT_w = 1 << 5,
OPT_W = 1 << 6,
OPT_I = 1 << 7,
OPT_IPV4 = 1 << 8,
OPT_IPV6 = (1 << 9) * ENABLE_PING6,
};
@ -244,6 +331,7 @@ struct globals {
len_and_sockaddr *source_lsa;
unsigned datalen;
unsigned pingcount; /* must be int-sized */
unsigned opt_ttl;
unsigned long ntransmitted, nreceived, nrepeats;
uint16_t myid;
unsigned tmin, tmax; /* in us */
@ -275,6 +363,7 @@ struct globals {
#define nreceived (G.nreceived )
#define nrepeats (G.nrepeats )
#define pingcount (G.pingcount )
#define opt_ttl (G.opt_ttl )
#define myid (G.myid )
#define tmin (G.tmin )
#define tmax (G.tmax )
@ -586,6 +675,10 @@ static void ping4(len_and_sockaddr *lsa)
sockopt = (datalen * 2) + 7 * 1024; /* giving it a bit of extra room */
setsockopt(pingsock, SOL_SOCKET, SO_RCVBUF, &sockopt, sizeof(sockopt));
if (opt_ttl != 0)
//setsockopt(pingsock, IPPROTO_IP, IP_MULTICAST_TTL, &opt_ttl, sizeof(opt_ttl));
setsockopt(pingsock, IPPROTO_IP, IP_TTL, &opt_ttl, sizeof(opt_ttl));
signal(SIGINT, print_stats_and_exit);
/* start the ping's going ... */
@ -735,9 +828,9 @@ static int common_ping_main(int opt, char **argv)
INIT_G();
/* exactly one argument needed; -v and -q don't mix; -c NUM, -w NUM, -W NUM */
opt_complementary = "=1:q--v:v--q:c+:w+:W+";
opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &deadline, &timeout, &str_I);
/* exactly one argument needed; -v and -q don't mix; -c NUM, -t NUM, -w NUM, -W NUM */
opt_complementary = "=1:q--v:v--q:c+:t+:w+:W+";
opt |= getopt32(argv, OPT_STRING, &pingcount, &str_s, &opt_ttl, &deadline, &timeout, &str_I);
if (opt & OPT_s)
datalen = xatou16(str_s); // -s
if (opt & OPT_I) { // -I