diff options
author | Joachim Nilsson <joachim.nilsson@vmlinux.org> | 2010-11-29 01:01:18 +0300 |
---|---|---|
committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-11-29 01:01:18 +0300 |
commit | 714e2b7e6ab9cef6cb853c52b6c128d390964a25 (patch) | |
tree | 9286fc497e4e710c2670e815e3e96a0fb45f189c | |
parent | 713d241852ec726ad07920476fa18d0f9d455246 (diff) |
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>
-rw-r--r-- | include/applets.src.h | 2 | ||||
-rw-r--r-- | include/usage.src.h | 55 | ||||
-rw-r--r-- | networking/Config.src | 23 | ||||
-rw-r--r-- | networking/Kbuild.src | 2 | ||||
-rw-r--r-- | networking/ping.c | 111 |
5 files changed, 102 insertions, 91 deletions
diff --git a/include/applets.src.h b/include/applets.src.h index 06b4fff35..131fca504 100644 --- a/include/applets.src.h +++ b/include/applets.src.h @@ -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)) diff --git a/include/usage.src.h b/include/usage.src.h index 30fef2440..7de2c6928 100644 --- a/include/usage.src.h +++ b/include/usage.src.h @@ -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 "" diff --git a/networking/Config.src b/networking/Config.src index 6dd7df754..274fcae3a 100644 --- a/networking/Config.src +++ b/networking/Config.src @@ -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 diff --git a/networking/Kbuild.src b/networking/Kbuild.src index f41a2df70..944f27be1 100644 --- a/networking/Kbuild.src +++ b/networking/Kbuild.src @@ -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-$(CONFIG_SLATTACH) += slattach.o diff --git a/networking/ping.c b/networking/ping.c index 3aba4906e..8571d179b 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -29,6 +29,92 @@ #include <netinet/ip_icmp.h> #include "libbb.h" +//config:config PING +//config: bool "ping" +//config: default y +//config: depends on PLATFORM_LINUX +//config: help +//config: ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to +//config: elicit an ICMP ECHO_RESPONSE from a host or gateway. +//config: +//config:config PING6 +//config: bool "ping6" +//config: default y +//config: depends on FEATURE_IPV6 && PING +//config: help +//config: This will give you a ping that can talk IPv6. +//config: +//config:config FEATURE_FANCY_PING +//config: bool "Enable fancy ping output" +//config: default y +//config: depends on PING +//config: help +//config: Make the output from the ping applet include statistics, and at the +//config: same time provide full support for ICMP packets. + +//applet:IF_PING(APPLET(ping, _BB_DIR_BIN, _BB_SUID_MAYBE)) +//applet:IF_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_MAYBE)) + +//kbuild:lib-$(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 |