From 7b72fc12000c878e11d5f0b245f83c0d71b29f58 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 16 Jun 2007 13:37:59 +0000 Subject: pscan: new applet (portscanner). ~1350 bytes. By Tito wget: lift 256 chars limitation on terminal width --- networking/Config.in | 6 ++++++ networking/Kbuild | 1 + networking/ping.c | 7 +++++++ networking/wget.c | 9 +++++---- 4 files changed, 19 insertions(+), 4 deletions(-) (limited to 'networking') diff --git a/networking/Config.in b/networking/Config.in index 5ccc4836a..efa6aaec2 100644 --- a/networking/Config.in +++ b/networking/Config.in @@ -527,6 +527,12 @@ config PING6 help This will give you a ping that can talk IPv6. +config PSCAN + bool "pscan" + default n + help + Simple network port scanner. + config FEATURE_FANCY_PING bool "Enable fancy ping output" default y diff --git a/networking/Kbuild b/networking/Kbuild index 13b4452bd..0f4ab7ba6 100644 --- a/networking/Kbuild +++ b/networking/Kbuild @@ -25,6 +25,7 @@ lib-$(CONFIG_NETSTAT) += netstat.o lib-$(CONFIG_NSLOOKUP) += nslookup.o lib-$(CONFIG_PING) += ping.o lib-$(CONFIG_PING6) += ping.o +lib-$(CONFIG_PSCAN) += pscan.o lib-$(CONFIG_ROUTE) += route.o lib-$(CONFIG_TELNET) += telnet.o lib-$(CONFIG_TELNETD) += telnetd.o diff --git a/networking/ping.c b/networking/ping.c index 6b5045eb3..e94b7914f 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -341,7 +341,12 @@ static void sendping4(int junk ATTRIBUTE_UNUSED) pkt->icmp_cksum = 0; pkt->icmp_seq = htons(ntransmitted); /* don't ++ here, it can be a macro */ pkt->icmp_id = myid; + +// I can't fucking believe someone thought it's okay to do it like this... +// where's hton? Where is a provision for different word size, structure padding, etc?? +// FIXME! gettimeofday((struct timeval *) &pkt->icmp_dun, NULL); + pkt->icmp_cksum = in_cksum((unsigned short *) pkt, datalen + ICMP_MINLEN); sendping_tail(sendping4, pkt, datalen + ICMP_MINLEN); @@ -356,6 +361,8 @@ static void sendping6(int junk ATTRIBUTE_UNUSED) pkt->icmp6_cksum = 0; pkt->icmp6_seq = htons(ntransmitted); /* don't ++ here, it can be a macro */ pkt->icmp6_id = myid; + +// FIXME! gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL); sendping_tail(sendping6, pkt, datalen + sizeof(struct icmp6_hdr)); diff --git a/networking/wget.c b/networking/wget.c index 2c060d77d..fe669bbdd 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -693,16 +693,15 @@ progressmeter(int flag) struct timeval now, td, tvwait; off_t abbrevsize; int elapsed, ratio, barlength, i; - char buf[256]; if (flag == -1) { /* first call to progressmeter */ - gettimeofday(&start, (struct timezone *) 0); + gettimeofday(&start, NULL); lastupdate = start; lastsize = 0; totalsize = content_len + beg_range; /* as content_len changes.. */ } - gettimeofday(&now, (struct timezone *) 0); + gettimeofday(&now, NULL); ratio = 100; if (totalsize != 0 && !chunked) { /* long long helps to have working ETA even if !LFS */ @@ -713,7 +712,9 @@ progressmeter(int flag) fprintf(stderr, "\r%-20.20s%4d%% ", curfile, ratio); barlength = getttywidth() - 51; - if (barlength > 0 && barlength < sizeof(buf)) { + if (barlength > 0) { + /* god bless gcc for variable arrays :) */ + char buf[barlength+1]; i = barlength * ratio / 100; memset(buf, '*', i); memset(buf + i, ' ', barlength - i); -- cgit v1.2.3