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pscan: new applet (portscanner). ~1350 bytes. By Tito <farmatito@tiscali.it>
wget: lift 256 chars limitation on terminal width
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53a0e97196
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@ -257,6 +257,7 @@ USE_HALT(APPLET_ODDNAME(poweroff, halt, _BB_DIR_SBIN, _BB_SUID_NEVER, poweroff))
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USE_PRINTENV(APPLET(printenv, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_PRINTF(APPLET(printf, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_PS(APPLET(ps, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_PSCAN(APPLET(pscan, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_PWD(APPLET_NOFORK(pwd, pwd, _BB_DIR_BIN, _BB_SUID_NEVER, pwd))
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USE_RAIDAUTORUN(APPLET(raidautorun, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_RDATE(APPLET(rdate, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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@ -2676,6 +2676,16 @@
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" 2990 andersen andersen R ps\n"
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#define pscan_trivial_usage \
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"[-p MIN_PORT] [-P MAX_PORT] [-t TIMEOUT] [-T MIN_RTT] HOST"
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#define pscan_full_usage \
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"Scan a host, print all open ports" \
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"\n\nOptions:" \
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"\n -p Scan from this port (default 1)" \
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"\n -P Scan up to this port (default 1024)" \
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"\n -t Timeout (default 5000 ms)" \
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"\n -T Minimum rtt (default 5 ms, increase for congested hosts)" \
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#define pwd_trivial_usage \
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""
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#define pwd_full_usage \
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@ -527,6 +527,12 @@ config PING6
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help
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This will give you a ping that can talk IPv6.
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config PSCAN
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bool "pscan"
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default n
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help
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Simple network port scanner.
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config FEATURE_FANCY_PING
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bool "Enable fancy ping output"
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default y
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@ -25,6 +25,7 @@ lib-$(CONFIG_NETSTAT) += netstat.o
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lib-$(CONFIG_NSLOOKUP) += nslookup.o
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lib-$(CONFIG_PING) += ping.o
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lib-$(CONFIG_PING6) += ping.o
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lib-$(CONFIG_PSCAN) += pscan.o
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lib-$(CONFIG_ROUTE) += route.o
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lib-$(CONFIG_TELNET) += telnet.o
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lib-$(CONFIG_TELNETD) += telnetd.o
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@ -341,7 +341,12 @@ static void sendping4(int junk ATTRIBUTE_UNUSED)
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pkt->icmp_cksum = 0;
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pkt->icmp_seq = htons(ntransmitted); /* don't ++ here, it can be a macro */
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pkt->icmp_id = myid;
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// I can't fucking believe someone thought it's okay to do it like this...
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// where's hton? Where is a provision for different word size, structure padding, etc??
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// FIXME!
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gettimeofday((struct timeval *) &pkt->icmp_dun, NULL);
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pkt->icmp_cksum = in_cksum((unsigned short *) pkt, datalen + ICMP_MINLEN);
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sendping_tail(sendping4, pkt, datalen + ICMP_MINLEN);
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@ -356,6 +361,8 @@ static void sendping6(int junk ATTRIBUTE_UNUSED)
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pkt->icmp6_cksum = 0;
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pkt->icmp6_seq = htons(ntransmitted); /* don't ++ here, it can be a macro */
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pkt->icmp6_id = myid;
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// FIXME!
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gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL);
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sendping_tail(sendping6, pkt, datalen + sizeof(struct icmp6_hdr));
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@ -693,16 +693,15 @@ progressmeter(int flag)
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struct timeval now, td, tvwait;
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off_t abbrevsize;
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int elapsed, ratio, barlength, i;
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char buf[256];
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if (flag == -1) { /* first call to progressmeter */
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gettimeofday(&start, (struct timezone *) 0);
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gettimeofday(&start, NULL);
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lastupdate = start;
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lastsize = 0;
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totalsize = content_len + beg_range; /* as content_len changes.. */
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}
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gettimeofday(&now, (struct timezone *) 0);
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gettimeofday(&now, NULL);
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ratio = 100;
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if (totalsize != 0 && !chunked) {
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/* long long helps to have working ETA even if !LFS */
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@ -713,7 +712,9 @@ progressmeter(int flag)
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fprintf(stderr, "\r%-20.20s%4d%% ", curfile, ratio);
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barlength = getttywidth() - 51;
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if (barlength > 0 && barlength < sizeof(buf)) {
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if (barlength > 0) {
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/* god bless gcc for variable arrays :) */
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char buf[barlength+1];
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i = barlength * ratio / 100;
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memset(buf, '*', i);
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memset(buf + i, ' ', barlength - i);
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