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/* |
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* Copyright (c) 1995 Danny Gasparovski. |
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* Portions copyright (c) 2000 Kelly Price. |
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* |
| 5 |
* Please read the file COPYRIGHT for the |
| 6 |
* terms and conditions of the copyright. |
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*/ |
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|
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#include <slirp.h> |
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|
| 11 |
FILE *dfd = NULL; |
| 12 |
#ifdef DEBUG |
| 13 |
int dostats = 1; |
| 14 |
#else |
| 15 |
int dostats = 0; |
| 16 |
#endif |
| 17 |
int slirp_debug = 0; |
| 18 |
|
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extern char *strerror _P((int)); |
| 20 |
|
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/* Carry over one item from main.c so that the tty's restored. |
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* Only done when the tty being used is /dev/tty --RedWolf */ |
| 23 |
extern struct termios slirp_tty_settings; |
| 24 |
extern int slirp_tty_restore; |
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|
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|
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void |
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debug_init(file, dbg) |
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char *file; |
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int dbg; |
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{ |
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/* Close the old debugging file */ |
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if (dfd) |
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fclose(dfd); |
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|
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dfd = fopen(file,"w"); |
| 37 |
if (dfd != NULL) { |
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#if 0 |
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fprintf(dfd,"Slirp %s - Debugging Started.\n", SLIRP_VERSION); |
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#endif |
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fprintf(dfd,"Debugging Started level %i.\r\n",dbg); |
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fflush(dfd); |
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slirp_debug = dbg; |
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} else { |
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lprint("Error: Debugging file \"%s\" could not be opened: %s\r\n", |
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file, strerror(errno)); |
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} |
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} |
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|
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/* |
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* Dump a packet in the same format as tcpdump -x |
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*/ |
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#ifdef DEBUG |
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void |
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dump_packet(dat, n) |
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void *dat; |
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int n; |
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{ |
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u_char *pptr = (u_char *)dat; |
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int j,k; |
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|
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n /= 16; |
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n++; |
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DEBUG_MISC((dfd, "PACKET DUMPED: \n")); |
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for(j = 0; j < n; j++) { |
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for(k = 0; k < 6; k++) |
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DEBUG_MISC((dfd, "%02x ", *pptr++)); |
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DEBUG_MISC((dfd, "\n")); |
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fflush(dfd); |
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} |
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} |
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#endif |
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|
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#if 0 |
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/* |
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* Statistic routines |
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* |
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* These will print statistics to the screen, the debug file (dfd), or |
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* a buffer, depending on "type", so that the stats can be sent over |
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* the link as well. |
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*/ |
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|
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void |
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ttystats(ttyp) |
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struct ttys *ttyp; |
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{ |
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struct slirp_ifstats *is = &ttyp->ifstats; |
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char buff[512]; |
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|
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lprint(" \r\n"); |
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|
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if (if_comp & IF_COMPRESS) |
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strcpy(buff, "on"); |
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else if (if_comp & IF_NOCOMPRESS) |
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strcpy(buff, "off"); |
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else |
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strcpy(buff, "off (for now)"); |
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lprint("Unit %d:\r\n", ttyp->unit); |
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lprint(" using %s encapsulation (VJ compression is %s)\r\n", ( |
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#ifdef USE_PPP |
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ttyp->proto==PROTO_PPP?"PPP": |
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#endif |
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"SLIP"), buff); |
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lprint(" %d baudrate\r\n", ttyp->baud); |
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lprint(" interface is %s\r\n", ttyp->up?"up":"down"); |
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lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid); |
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#ifndef FULL_BOLT |
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lprint(" towrite is %d bytes\r\n", ttyp->towrite); |
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#endif |
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if (ttyp->zeros) |
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lprint(" %d zeros have been typed\r\n", ttyp->zeros); |
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else if (ttyp->ones) |
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lprint(" %d ones have been typed\r\n", ttyp->ones); |
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lprint("Interface stats:\r\n"); |
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lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes); |
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lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes); |
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lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes); |
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lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes); |
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lprint(" %6d bad input packets\r\n", is->in_mbad); |
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} |
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|
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void |
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allttystats() |
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{ |
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struct ttys *ttyp; |
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|
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for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
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ttystats(ttyp); |
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} |
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#endif |
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|
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void |
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ipstats() |
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{ |
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lprint(" \r\n"); |
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|
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lprint("IP stats:\r\n"); |
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lprint(" %6d total packets received (%d were unaligned)\r\n", |
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ipstat.ips_total, ipstat.ips_unaligned); |
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lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers); |
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lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum); |
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lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort); |
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lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall); |
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lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen); |
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lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen); |
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lprint(" %6d fragments received\r\n", ipstat.ips_fragments); |
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lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped); |
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lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout); |
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lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled); |
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lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented); |
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lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments); |
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lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto); |
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lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered); |
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} |
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|
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#if 0 |
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void |
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vjstats() |
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{ |
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lprint(" \r\n"); |
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|
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lprint("VJ compression stats:\r\n"); |
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|
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lprint(" %6d outbound packets (%d compressed)\r\n", |
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comp_s.sls_packets, comp_s.sls_compressed); |
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lprint(" %6d searches for connection stats (%d misses)\r\n", |
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comp_s.sls_searches, comp_s.sls_misses); |
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lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin); |
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lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin); |
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lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin); |
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lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed); |
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} |
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#endif |
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|
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void |
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tcpstats() |
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{ |
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lprint(" \r\n"); |
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|
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lprint("TCP stats:\r\n"); |
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|
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lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal); |
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lprint(" %6d data packets (%d bytes)\r\n", |
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tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte); |
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lprint(" %6d data packets retransmitted (%d bytes)\r\n", |
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tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte); |
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lprint(" %6d ack-only packets (%d delayed)\r\n", |
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tcpstat.tcps_sndacks, tcpstat.tcps_delack); |
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lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg); |
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lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe); |
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lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup); |
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lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl); |
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lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin); |
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|
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lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal); |
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lprint(" %6d acks (for %d bytes)\r\n", |
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tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte); |
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lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack); |
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lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch); |
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lprint(" %6d packets received in sequence (%d bytes)\r\n", |
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tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte); |
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lprint(" %6d completely duplicate packets (%d bytes)\r\n", |
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tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte); |
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|
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lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n", |
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tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte); |
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lprint(" %6d out-of-order packets (%d bytes)\r\n", |
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tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte); |
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lprint(" %6d packets of data after window (%d bytes)\r\n", |
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tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin); |
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lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe); |
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lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd); |
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lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose); |
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lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum); |
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lprint(" %6d discarded for bad header offset fields\r\n", |
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tcpstat.tcps_rcvbadoff); |
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|
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lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt); |
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lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts); |
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lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects); |
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lprint(" %6d connections closed (including %d drop)\r\n", |
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tcpstat.tcps_closed, tcpstat.tcps_drops); |
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lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops); |
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lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n", |
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tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated); |
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lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo); |
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lprint(" %6d connections dropped by rxmt timeout\r\n", |
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tcpstat.tcps_timeoutdrop); |
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lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo); |
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lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo); |
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lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe); |
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lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops); |
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lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack); |
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lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat); |
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lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss); |
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|
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|
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/* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */ |
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/* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */ |
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|
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} |
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|
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void |
| 244 |
udpstats() |
| 245 |
{ |
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lprint(" \r\n"); |
| 247 |
|
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lprint("UDP stats:\r\n"); |
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lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets); |
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lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops); |
| 251 |
lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum); |
| 252 |
lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen); |
| 253 |
lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss); |
| 254 |
lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets); |
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} |
| 256 |
|
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void |
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icmpstats() |
| 259 |
{ |
| 260 |
lprint(" \r\n"); |
| 261 |
lprint("ICMP stats:\r\n"); |
| 262 |
lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received); |
| 263 |
lprint(" %6d were too short\r\n", icmpstat.icps_tooshort); |
| 264 |
lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum); |
| 265 |
lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp); |
| 266 |
lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype); |
| 267 |
lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect); |
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} |
| 269 |
|
| 270 |
void |
| 271 |
mbufstats() |
| 272 |
{ |
| 273 |
struct mbuf *m; |
| 274 |
int i; |
| 275 |
|
| 276 |
lprint(" \r\n"); |
| 277 |
|
| 278 |
lprint("Mbuf stats:\r\n"); |
| 279 |
|
| 280 |
lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max); |
| 281 |
|
| 282 |
i = 0; |
| 283 |
for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next) |
| 284 |
i++; |
| 285 |
lprint(" %6d mbufs on free list\r\n", i); |
| 286 |
|
| 287 |
i = 0; |
| 288 |
for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next) |
| 289 |
i++; |
| 290 |
lprint(" %6d mbufs on used list\r\n", i); |
| 291 |
lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued); |
| 292 |
} |
| 293 |
|
| 294 |
void |
| 295 |
sockstats() |
| 296 |
{ |
| 297 |
char buff[256]; |
| 298 |
int n; |
| 299 |
struct socket *so; |
| 300 |
|
| 301 |
lprint(" \r\n"); |
| 302 |
|
| 303 |
lprint( |
| 304 |
"Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n"); |
| 305 |
|
| 306 |
for (so = tcb.so_next; so != &tcb; so = so->so_next) { |
| 307 |
|
| 308 |
n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE"); |
| 309 |
while (n < 17) |
| 310 |
buff[n++] = ' '; |
| 311 |
buff[17] = 0; |
| 312 |
lprint("%s %3d %15s %5d ", |
| 313 |
buff, so->s, |
| 314 |
inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| 315 |
lprint("%15s %5d %5d %5d\r\n", |
| 316 |
inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| 317 |
so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| 318 |
} |
| 319 |
|
| 320 |
for (so = udb.so_next; so != &udb; so = so->so_next) { |
| 321 |
|
| 322 |
n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000); |
| 323 |
while (n < 17) |
| 324 |
buff[n++] = ' '; |
| 325 |
buff[17] = 0; |
| 326 |
lprint("%s %3d %15s %5d ", |
| 327 |
buff, so->s, |
| 328 |
inet_ntoa(so->so_laddr), ntohs(so->so_lport)); |
| 329 |
lprint("%15s %5d %5d %5d\r\n", |
| 330 |
inet_ntoa(so->so_faddr), ntohs(so->so_fport), |
| 331 |
so->so_rcv.sb_cc, so->so_snd.sb_cc); |
| 332 |
} |
| 333 |
} |
| 334 |
|
| 335 |
#if 0 |
| 336 |
void |
| 337 |
slirp_exit(exit_status) |
| 338 |
int exit_status; |
| 339 |
{ |
| 340 |
struct ttys *ttyp; |
| 341 |
|
| 342 |
DEBUG_CALL("slirp_exit"); |
| 343 |
DEBUG_ARG("exit_status = %d", exit_status); |
| 344 |
|
| 345 |
if (dostats) { |
| 346 |
lprint_print = (int (*) _P((void *, const char *, va_list)))vfprintf; |
| 347 |
if (!dfd) |
| 348 |
debug_init("slirp_stats", 0xf); |
| 349 |
lprint_arg = (char **)&dfd; |
| 350 |
|
| 351 |
ipstats(); |
| 352 |
tcpstats(); |
| 353 |
udpstats(); |
| 354 |
icmpstats(); |
| 355 |
mbufstats(); |
| 356 |
sockstats(); |
| 357 |
allttystats(); |
| 358 |
vjstats(); |
| 359 |
} |
| 360 |
|
| 361 |
for (ttyp = ttys; ttyp; ttyp = ttyp->next) |
| 362 |
tty_detached(ttyp, 1); |
| 363 |
|
| 364 |
if (slirp_forked) { |
| 365 |
/* Menendez time */ |
| 366 |
if (kill(getppid(), SIGQUIT) < 0) |
| 367 |
lprint("Couldn't kill parent process %ld!\n", |
| 368 |
(long) getppid()); |
| 369 |
} |
| 370 |
|
| 371 |
/* Restore the terminal if we gotta */ |
| 372 |
if(slirp_tty_restore) |
| 373 |
tcsetattr(0,TCSANOW, &slirp_tty_settings); /* NOW DAMMIT! */ |
| 374 |
exit(exit_status); |
| 375 |
} |
| 376 |
#endif |
