| 1 | /*
|
|---|
| 2 | * Copyright (c) 1995 Danny Gasparovski.
|
|---|
| 3 | * Portions copyright (c) 2000 Kelly Price.
|
|---|
| 4 | *
|
|---|
| 5 | * Please read the file COPYRIGHT for the
|
|---|
| 6 | * terms and conditions of the copyright.
|
|---|
| 7 | */
|
|---|
| 8 |
|
|---|
| 9 | #include <slirp.h>
|
|---|
| 10 |
|
|---|
| 11 |
|
|---|
| 12 | /* Carry over one item from main.c so that the tty's restored.
|
|---|
| 13 | * Only done when the tty being used is /dev/tty --RedWolf */
|
|---|
| 14 | extern struct termios slirp_tty_settings;
|
|---|
| 15 | extern int slirp_tty_restore;
|
|---|
| 16 | #ifdef DEBUG
|
|---|
| 17 | void dump_packet(void *, int);
|
|---|
| 18 | #endif
|
|---|
| 19 |
|
|---|
| 20 |
|
|---|
| 21 | /*
|
|---|
| 22 | * Dump a packet in the same format as tcpdump -x
|
|---|
| 23 | */
|
|---|
| 24 | #ifdef DEBUG
|
|---|
| 25 | void
|
|---|
| 26 | dump_packet(void *dat, int n)
|
|---|
| 27 | {
|
|---|
| 28 | Log(("nat: PACKET DUMPED:\n%.*Vhxd\n", n, dat));
|
|---|
| 29 | }
|
|---|
| 30 | #endif
|
|---|
| 31 |
|
|---|
| 32 | #if 0
|
|---|
| 33 | /*
|
|---|
| 34 | * Statistic routines
|
|---|
| 35 | *
|
|---|
| 36 | * These will print statistics to the screen, the debug file (dfd), or
|
|---|
| 37 | * a buffer, depending on "type", so that the stats can be sent over
|
|---|
| 38 | * the link as well.
|
|---|
| 39 | */
|
|---|
| 40 |
|
|---|
| 41 | void
|
|---|
| 42 | ttystats(ttyp)
|
|---|
| 43 | struct ttys *ttyp;
|
|---|
| 44 | {
|
|---|
| 45 | struct slirp_ifstats *is = &ttyp->ifstats;
|
|---|
| 46 | char buff[512];
|
|---|
| 47 |
|
|---|
| 48 | lprint(" \r\n");
|
|---|
| 49 |
|
|---|
| 50 | if (if_comp & IF_COMPRESS)
|
|---|
| 51 | strcpy(buff, "on");
|
|---|
| 52 | else if (if_comp & IF_NOCOMPRESS)
|
|---|
| 53 | strcpy(buff, "off");
|
|---|
| 54 | else
|
|---|
| 55 | strcpy(buff, "off (for now)");
|
|---|
| 56 | lprint("Unit %d:\r\n", ttyp->unit);
|
|---|
| 57 | lprint(" using %s encapsulation (VJ compression is %s)\r\n", (
|
|---|
| 58 | #ifdef USE_PPP
|
|---|
| 59 | ttyp->proto==PROTO_PPP?"PPP":
|
|---|
| 60 | #endif
|
|---|
| 61 | "SLIP"), buff);
|
|---|
| 62 | lprint(" %d baudrate\r\n", ttyp->baud);
|
|---|
| 63 | lprint(" interface is %s\r\n", ttyp->up?"up":"down");
|
|---|
| 64 | lprint(" using fd %d, guardian pid is %d\r\n", ttyp->fd, ttyp->pid);
|
|---|
| 65 | #ifndef FULL_BOLT
|
|---|
| 66 | lprint(" towrite is %d bytes\r\n", ttyp->towrite);
|
|---|
| 67 | #endif
|
|---|
| 68 | if (ttyp->zeros)
|
|---|
| 69 | lprint(" %d zeros have been typed\r\n", ttyp->zeros);
|
|---|
| 70 | else if (ttyp->ones)
|
|---|
| 71 | lprint(" %d ones have been typed\r\n", ttyp->ones);
|
|---|
| 72 | lprint("Interface stats:\r\n");
|
|---|
| 73 | lprint(" %6d output packets sent (%d bytes)\r\n", is->out_pkts, is->out_bytes);
|
|---|
| 74 | lprint(" %6d output packets dropped (%d bytes)\r\n", is->out_errpkts, is->out_errbytes);
|
|---|
| 75 | lprint(" %6d input packets received (%d bytes)\r\n", is->in_pkts, is->in_bytes);
|
|---|
| 76 | lprint(" %6d input packets dropped (%d bytes)\r\n", is->in_errpkts, is->in_errbytes);
|
|---|
| 77 | lprint(" %6d bad input packets\r\n", is->in_mbad);
|
|---|
| 78 | }
|
|---|
| 79 |
|
|---|
| 80 | void
|
|---|
| 81 | allttystats()
|
|---|
| 82 | {
|
|---|
| 83 | struct ttys *ttyp;
|
|---|
| 84 |
|
|---|
| 85 | for (ttyp = ttys; ttyp; ttyp = ttyp->next)
|
|---|
| 86 | ttystats(ttyp);
|
|---|
| 87 | }
|
|---|
| 88 | #endif
|
|---|
| 89 |
|
|---|
| 90 | void
|
|---|
| 91 | ipstats(PNATState pData)
|
|---|
| 92 | {
|
|---|
| 93 | lprint(" \r\n");
|
|---|
| 94 |
|
|---|
| 95 | lprint("IP stats:\r\n");
|
|---|
| 96 | lprint(" %6d total packets received (%d were unaligned)\r\n",
|
|---|
| 97 | ipstat.ips_total, ipstat.ips_unaligned);
|
|---|
| 98 | lprint(" %6d with incorrect version\r\n", ipstat.ips_badvers);
|
|---|
| 99 | lprint(" %6d with bad header checksum\r\n", ipstat.ips_badsum);
|
|---|
| 100 | lprint(" %6d with length too short (len < sizeof(iphdr))\r\n", ipstat.ips_tooshort);
|
|---|
| 101 | lprint(" %6d with length too small (len < ip->len)\r\n", ipstat.ips_toosmall);
|
|---|
| 102 | lprint(" %6d with bad header length\r\n", ipstat.ips_badhlen);
|
|---|
| 103 | lprint(" %6d with bad packet length\r\n", ipstat.ips_badlen);
|
|---|
| 104 | lprint(" %6d fragments received\r\n", ipstat.ips_fragments);
|
|---|
| 105 | lprint(" %6d fragments dropped\r\n", ipstat.ips_fragdropped);
|
|---|
| 106 | lprint(" %6d fragments timed out\r\n", ipstat.ips_fragtimeout);
|
|---|
| 107 | lprint(" %6d packets reassembled ok\r\n", ipstat.ips_reassembled);
|
|---|
| 108 | lprint(" %6d outgoing packets fragmented\r\n", ipstat.ips_fragmented);
|
|---|
| 109 | lprint(" %6d total outgoing fragments\r\n", ipstat.ips_ofragments);
|
|---|
| 110 | lprint(" %6d with bad protocol field\r\n", ipstat.ips_noproto);
|
|---|
| 111 | lprint(" %6d total packets delivered\r\n", ipstat.ips_delivered);
|
|---|
| 112 | }
|
|---|
| 113 |
|
|---|
| 114 | #if 0
|
|---|
| 115 | void
|
|---|
| 116 | vjstats()
|
|---|
| 117 | {
|
|---|
| 118 | lprint(" \r\n");
|
|---|
| 119 |
|
|---|
| 120 | lprint("VJ compression stats:\r\n");
|
|---|
| 121 |
|
|---|
| 122 | lprint(" %6d outbound packets (%d compressed)\r\n",
|
|---|
| 123 | comp_s.sls_packets, comp_s.sls_compressed);
|
|---|
| 124 | lprint(" %6d searches for connection stats (%d misses)\r\n",
|
|---|
| 125 | comp_s.sls_searches, comp_s.sls_misses);
|
|---|
| 126 | lprint(" %6d inbound uncompressed packets\r\n", comp_s.sls_uncompressedin);
|
|---|
| 127 | lprint(" %6d inbound compressed packets\r\n", comp_s.sls_compressedin);
|
|---|
| 128 | lprint(" %6d inbound unknown type packets\r\n", comp_s.sls_errorin);
|
|---|
| 129 | lprint(" %6d inbound packets tossed due to error\r\n", comp_s.sls_tossed);
|
|---|
| 130 | }
|
|---|
| 131 | #endif
|
|---|
| 132 |
|
|---|
| 133 | void
|
|---|
| 134 | tcpstats(PNATState pData)
|
|---|
| 135 | {
|
|---|
| 136 | lprint(" \r\n");
|
|---|
| 137 |
|
|---|
| 138 | lprint("TCP stats:\r\n");
|
|---|
| 139 |
|
|---|
| 140 | lprint(" %6d packets sent\r\n", tcpstat.tcps_sndtotal);
|
|---|
| 141 | lprint(" %6d data packets (%d bytes)\r\n",
|
|---|
| 142 | tcpstat.tcps_sndpack, tcpstat.tcps_sndbyte);
|
|---|
| 143 | lprint(" %6d data packets retransmitted (%d bytes)\r\n",
|
|---|
| 144 | tcpstat.tcps_sndrexmitpack, tcpstat.tcps_sndrexmitbyte);
|
|---|
| 145 | lprint(" %6d ack-only packets (%d delayed)\r\n",
|
|---|
| 146 | tcpstat.tcps_sndacks, tcpstat.tcps_delack);
|
|---|
| 147 | lprint(" %6d URG only packets\r\n", tcpstat.tcps_sndurg);
|
|---|
| 148 | lprint(" %6d window probe packets\r\n", tcpstat.tcps_sndprobe);
|
|---|
| 149 | lprint(" %6d window update packets\r\n", tcpstat.tcps_sndwinup);
|
|---|
| 150 | lprint(" %6d control (SYN/FIN/RST) packets\r\n", tcpstat.tcps_sndctrl);
|
|---|
| 151 | lprint(" %6d times tcp_output did nothing\r\n", tcpstat.tcps_didnuttin);
|
|---|
| 152 |
|
|---|
| 153 | lprint(" %6d packets received\r\n", tcpstat.tcps_rcvtotal);
|
|---|
| 154 | lprint(" %6d acks (for %d bytes)\r\n",
|
|---|
| 155 | tcpstat.tcps_rcvackpack, tcpstat.tcps_rcvackbyte);
|
|---|
| 156 | lprint(" %6d duplicate acks\r\n", tcpstat.tcps_rcvdupack);
|
|---|
| 157 | lprint(" %6d acks for unsent data\r\n", tcpstat.tcps_rcvacktoomuch);
|
|---|
| 158 | lprint(" %6d packets received in sequence (%d bytes)\r\n",
|
|---|
| 159 | tcpstat.tcps_rcvpack, tcpstat.tcps_rcvbyte);
|
|---|
| 160 | lprint(" %6d completely duplicate packets (%d bytes)\r\n",
|
|---|
| 161 | tcpstat.tcps_rcvduppack, tcpstat.tcps_rcvdupbyte);
|
|---|
| 162 |
|
|---|
| 163 | lprint(" %6d packets with some duplicate data (%d bytes duped)\r\n",
|
|---|
| 164 | tcpstat.tcps_rcvpartduppack, tcpstat.tcps_rcvpartdupbyte);
|
|---|
| 165 | lprint(" %6d out-of-order packets (%d bytes)\r\n",
|
|---|
| 166 | tcpstat.tcps_rcvoopack, tcpstat.tcps_rcvoobyte);
|
|---|
| 167 | lprint(" %6d packets of data after window (%d bytes)\r\n",
|
|---|
| 168 | tcpstat.tcps_rcvpackafterwin, tcpstat.tcps_rcvbyteafterwin);
|
|---|
| 169 | lprint(" %6d window probes\r\n", tcpstat.tcps_rcvwinprobe);
|
|---|
| 170 | lprint(" %6d window update packets\r\n", tcpstat.tcps_rcvwinupd);
|
|---|
| 171 | lprint(" %6d packets received after close\r\n", tcpstat.tcps_rcvafterclose);
|
|---|
| 172 | lprint(" %6d discarded for bad checksums\r\n", tcpstat.tcps_rcvbadsum);
|
|---|
| 173 | lprint(" %6d discarded for bad header offset fields\r\n",
|
|---|
| 174 | tcpstat.tcps_rcvbadoff);
|
|---|
| 175 |
|
|---|
| 176 | lprint(" %6d connection requests\r\n", tcpstat.tcps_connattempt);
|
|---|
| 177 | lprint(" %6d connection accepts\r\n", tcpstat.tcps_accepts);
|
|---|
| 178 | lprint(" %6d connections established (including accepts)\r\n", tcpstat.tcps_connects);
|
|---|
| 179 | lprint(" %6d connections closed (including %d drop)\r\n",
|
|---|
| 180 | tcpstat.tcps_closed, tcpstat.tcps_drops);
|
|---|
| 181 | lprint(" %6d embryonic connections dropped\r\n", tcpstat.tcps_conndrops);
|
|---|
| 182 | lprint(" %6d segments we tried to get rtt (%d succeeded)\r\n",
|
|---|
| 183 | tcpstat.tcps_segstimed, tcpstat.tcps_rttupdated);
|
|---|
| 184 | lprint(" %6d retransmit timeouts\r\n", tcpstat.tcps_rexmttimeo);
|
|---|
| 185 | lprint(" %6d connections dropped by rxmt timeout\r\n",
|
|---|
| 186 | tcpstat.tcps_timeoutdrop);
|
|---|
| 187 | lprint(" %6d persist timeouts\r\n", tcpstat.tcps_persisttimeo);
|
|---|
| 188 | lprint(" %6d keepalive timeouts\r\n", tcpstat.tcps_keeptimeo);
|
|---|
| 189 | lprint(" %6d keepalive probes sent\r\n", tcpstat.tcps_keepprobe);
|
|---|
| 190 | lprint(" %6d connections dropped by keepalive\r\n", tcpstat.tcps_keepdrops);
|
|---|
| 191 | lprint(" %6d correct ACK header predictions\r\n", tcpstat.tcps_predack);
|
|---|
| 192 | lprint(" %6d correct data packet header predictions\n", tcpstat.tcps_preddat);
|
|---|
| 193 | lprint(" %6d TCP cache misses\r\n", tcpstat.tcps_socachemiss);
|
|---|
| 194 |
|
|---|
| 195 |
|
|---|
| 196 | /* lprint(" Packets received too short: %d\r\n", tcpstat.tcps_rcvshort); */
|
|---|
| 197 | /* lprint(" Segments dropped due to PAWS: %d\r\n", tcpstat.tcps_pawsdrop); */
|
|---|
| 198 |
|
|---|
| 199 | }
|
|---|
| 200 |
|
|---|
| 201 | void
|
|---|
| 202 | udpstats(PNATState pData)
|
|---|
| 203 | {
|
|---|
| 204 | lprint(" \r\n");
|
|---|
| 205 |
|
|---|
| 206 | lprint("UDP stats:\r\n");
|
|---|
| 207 | lprint(" %6d datagrams received\r\n", udpstat.udps_ipackets);
|
|---|
| 208 | lprint(" %6d with packets shorter than header\r\n", udpstat.udps_hdrops);
|
|---|
| 209 | lprint(" %6d with bad checksums\r\n", udpstat.udps_badsum);
|
|---|
| 210 | lprint(" %6d with data length larger than packet\r\n", udpstat.udps_badlen);
|
|---|
| 211 | lprint(" %6d UDP socket cache misses\r\n", udpstat.udpps_pcbcachemiss);
|
|---|
| 212 | lprint(" %6d datagrams sent\r\n", udpstat.udps_opackets);
|
|---|
| 213 | }
|
|---|
| 214 |
|
|---|
| 215 | void
|
|---|
| 216 | icmpstats(PNATState pData)
|
|---|
| 217 | {
|
|---|
| 218 | lprint(" \r\n");
|
|---|
| 219 | lprint("ICMP stats:\r\n");
|
|---|
| 220 | lprint(" %6d ICMP packets received\r\n", icmpstat.icps_received);
|
|---|
| 221 | lprint(" %6d were too short\r\n", icmpstat.icps_tooshort);
|
|---|
| 222 | lprint(" %6d with bad checksums\r\n", icmpstat.icps_checksum);
|
|---|
| 223 | lprint(" %6d with type not supported\r\n", icmpstat.icps_notsupp);
|
|---|
| 224 | lprint(" %6d with bad type feilds\r\n", icmpstat.icps_badtype);
|
|---|
| 225 | lprint(" %6d ICMP packets sent in reply\r\n", icmpstat.icps_reflect);
|
|---|
| 226 | }
|
|---|
| 227 |
|
|---|
| 228 | void
|
|---|
| 229 | mbufstats(PNATState pData)
|
|---|
| 230 | {
|
|---|
| 231 | struct mbuf *m;
|
|---|
| 232 | int i;
|
|---|
| 233 |
|
|---|
| 234 | lprint(" \r\n");
|
|---|
| 235 |
|
|---|
| 236 | lprint("Mbuf stats:\r\n");
|
|---|
| 237 |
|
|---|
| 238 | lprint(" %6d mbufs allocated (%d max)\r\n", mbuf_alloced, mbuf_max);
|
|---|
| 239 |
|
|---|
| 240 | i = 0;
|
|---|
| 241 | for (m = m_freelist.m_next; m != &m_freelist; m = m->m_next)
|
|---|
| 242 | i++;
|
|---|
| 243 | lprint(" %6d mbufs on free list\r\n", i);
|
|---|
| 244 |
|
|---|
| 245 | i = 0;
|
|---|
| 246 | for (m = m_usedlist.m_next; m != &m_usedlist; m = m->m_next)
|
|---|
| 247 | i++;
|
|---|
| 248 | lprint(" %6d mbufs on used list\r\n", i);
|
|---|
| 249 | lprint(" %6d mbufs queued as packets\r\n\r\n", if_queued);
|
|---|
| 250 | }
|
|---|
| 251 |
|
|---|
| 252 | void
|
|---|
| 253 | sockstats(PNATState pData)
|
|---|
| 254 | {
|
|---|
| 255 | char buff[256];
|
|---|
| 256 | int n;
|
|---|
| 257 | struct socket *so;
|
|---|
| 258 |
|
|---|
| 259 | lprint(" \r\n");
|
|---|
| 260 |
|
|---|
| 261 | lprint(
|
|---|
| 262 | "Proto[state] Sock Local Address, Port Remote Address, Port RecvQ SendQ\r\n");
|
|---|
| 263 |
|
|---|
| 264 | for (so = tcb.so_next; so != &tcb; so = so->so_next) {
|
|---|
| 265 |
|
|---|
| 266 | n = sprintf(buff, "tcp[%s]", so->so_tcpcb?tcpstates[so->so_tcpcb->t_state]:"NONE");
|
|---|
| 267 | while (n < 17)
|
|---|
| 268 | buff[n++] = ' ';
|
|---|
| 269 | buff[17] = 0;
|
|---|
| 270 | lprint("%s %3d %15s %5d ",
|
|---|
| 271 | buff, so->s,
|
|---|
| 272 | inet_ntoa(so->so_laddr), ntohs(so->so_lport));
|
|---|
| 273 | lprint("%15s %5d %5d %5d\r\n",
|
|---|
| 274 | inet_ntoa(so->so_faddr), ntohs(so->so_fport),
|
|---|
| 275 | so->so_rcv.sb_cc, so->so_snd.sb_cc);
|
|---|
| 276 | }
|
|---|
| 277 |
|
|---|
| 278 | for (so = udb.so_next; so != &udb; so = so->so_next) {
|
|---|
| 279 |
|
|---|
| 280 | n = sprintf(buff, "udp[%d sec]", (so->so_expire - curtime) / 1000);
|
|---|
| 281 | while (n < 17)
|
|---|
| 282 | buff[n++] = ' ';
|
|---|
| 283 | buff[17] = 0;
|
|---|
| 284 | lprint("%s %3d %15s %5d ",
|
|---|
| 285 | buff, so->s,
|
|---|
| 286 | inet_ntoa(so->so_laddr), ntohs(so->so_lport));
|
|---|
| 287 | lprint("%15s %5d %5d %5d\r\n",
|
|---|
| 288 | inet_ntoa(so->so_faddr), ntohs(so->so_fport),
|
|---|
| 289 | so->so_rcv.sb_cc, so->so_snd.sb_cc);
|
|---|
| 290 | }
|
|---|
| 291 | }
|
|---|
| 292 |
|
|---|
