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1.1 ! root 1: /* ! 2: * Copyright (c) 1985, 1988 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms are permitted provided ! 6: * that: (1) source distributions retain this entire copyright notice and ! 7: * comment, and (2) distributions including binaries display the following ! 8: * acknowledgement: ``This product includes software developed by the ! 9: * University of California, Berkeley and its contributors'' in the ! 10: * documentation or other materials provided with the distribution and in ! 11: * all advertising materials mentioning features or use of this software. ! 12: * Neither the name of the University nor the names of its contributors may ! 13: * be used to endorse or promote products derived from this software without ! 14: * specific prior written permission. ! 15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 16: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 17: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 18: */ ! 19: ! 20: #ifndef lint ! 21: static char sccsid[] = "@(#)ns.c 5.12 (Berkeley) 6/18/90"; ! 22: #endif /* not lint */ ! 23: ! 24: #include <stdio.h> ! 25: #include <errno.h> ! 26: #include <nlist.h> ! 27: ! 28: #include <sys/param.h> ! 29: #include <sys/socket.h> ! 30: #include <sys/socketvar.h> ! 31: #include <sys/mbuf.h> ! 32: #include <sys/protosw.h> ! 33: ! 34: #include <net/route.h> ! 35: #include <net/if.h> ! 36: ! 37: #include <netinet/tcp_fsm.h> ! 38: ! 39: #include <netns/ns.h> ! 40: #include <netns/ns_pcb.h> ! 41: #include <netns/idp.h> ! 42: #include <netns/idp_var.h> ! 43: #include <netns/ns_error.h> ! 44: #include <netns/sp.h> ! 45: #include <netns/spidp.h> ! 46: #include <netns/spp_timer.h> ! 47: #include <netns/spp_var.h> ! 48: #define SANAMES ! 49: #include <netns/spp_debug.h> ! 50: ! 51: ! 52: struct nspcb nspcb; ! 53: struct sppcb sppcb; ! 54: struct socket sockb; ! 55: extern int Aflag; ! 56: extern int aflag; ! 57: extern int nflag; ! 58: extern char *plural(); ! 59: char *ns_prpr(); ! 60: ! 61: static int first = 1; ! 62: ! 63: /* ! 64: * Print a summary of connections related to a Network Systems ! 65: * protocol. For SPP, also give state of connection. ! 66: * Listening processes (aflag) are suppressed unless the ! 67: * -a (all) flag is specified. ! 68: */ ! 69: ! 70: nsprotopr(off, name) ! 71: off_t off; ! 72: char *name; ! 73: { ! 74: struct nspcb cb; ! 75: register struct nspcb *prev, *next; ! 76: int isspp; ! 77: ! 78: if (off == 0) ! 79: return; ! 80: isspp = strcmp(name, "spp") == 0; ! 81: kvm_read(off, (char *)&cb, sizeof (struct nspcb)); ! 82: nspcb = cb; ! 83: prev = (struct nspcb *)off; ! 84: if (nspcb.nsp_next == (struct nspcb *)off) ! 85: return; ! 86: for (;nspcb.nsp_next != (struct nspcb *)off; prev = next) { ! 87: off_t ppcb; ! 88: ! 89: next = nspcb.nsp_next; ! 90: kvm_read((off_t)next, (char *)&nspcb, sizeof (nspcb)); ! 91: if (nspcb.nsp_prev != prev) { ! 92: printf("???\n"); ! 93: break; ! 94: } ! 95: if (!aflag && ns_nullhost(nspcb.nsp_faddr) ) { ! 96: continue; ! 97: } ! 98: kvm_read((off_t)nspcb.nsp_socket, ! 99: (char *)&sockb, sizeof (sockb)); ! 100: ppcb = (off_t) nspcb.nsp_pcb; ! 101: if (ppcb) { ! 102: if (isspp) { ! 103: kvm_read(ppcb, (char *)&sppcb, sizeof (sppcb)); ! 104: } else continue; ! 105: } else ! 106: if (isspp) continue; ! 107: if (first) { ! 108: printf("Active NS connections"); ! 109: if (aflag) ! 110: printf(" (including servers)"); ! 111: putchar('\n'); ! 112: if (Aflag) ! 113: printf("%-8.8s ", "PCB"); ! 114: printf(Aflag ? ! 115: "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" : ! 116: "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n", ! 117: "Proto", "Recv-Q", "Send-Q", ! 118: "Local Address", "Foreign Address", "(state)"); ! 119: first = 0; ! 120: } ! 121: if (Aflag) ! 122: printf("%8x ", ppcb); ! 123: printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc, ! 124: sockb.so_snd.sb_cc); ! 125: printf(" %-22.22s", ns_prpr(&nspcb.nsp_laddr)); ! 126: printf(" %-22.22s", ns_prpr(&nspcb.nsp_faddr)); ! 127: if (isspp) { ! 128: extern char *tcpstates[]; ! 129: if (sppcb.s_state >= TCP_NSTATES) ! 130: printf(" %d", sppcb.s_state); ! 131: else ! 132: printf(" %s", tcpstates[sppcb.s_state]); ! 133: } ! 134: putchar('\n'); ! 135: prev = next; ! 136: } ! 137: } ! 138: #define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s -- %s\n",x,y,plural(x),z,"x") : 0) ! 139: ! 140: /* ! 141: * Dump SPP statistics structure. ! 142: */ ! 143: spp_stats(off, name) ! 144: off_t off; ! 145: char *name; ! 146: { ! 147: struct spp_istat spp_istat; ! 148: #define sppstat spp_istat.newstats ! 149: ! 150: if (off == 0) ! 151: return; ! 152: kvm_read(off, (char *)&spp_istat, sizeof (spp_istat)); ! 153: printf("%s:\n", name); ! 154: ANY(spp_istat.nonucn, "connection", " dropped due to no new sockets "); ! 155: ANY(spp_istat.gonawy, "connection", " terminated due to our end dying"); ! 156: ANY(spp_istat.nonucn, "connection", " dropped due to inability to connect"); ! 157: ANY(spp_istat.noconn, "connection", " dropped due to inability to connect"); ! 158: ANY(spp_istat.notme, "connection", " incompleted due to mismatched id's"); ! 159: ANY(spp_istat.wrncon, "connection", " dropped due to mismatched id's"); ! 160: ANY(spp_istat.bdreas, "packet", " dropped out of sequence"); ! 161: ANY(spp_istat.lstdup, "packet", " duplicating the highest packet"); ! 162: ANY(spp_istat.notyet, "packet", " refused as exceeding allocation"); ! 163: ANY(sppstat.spps_connattempt, "connection", " initiated"); ! 164: ANY(sppstat.spps_accepts, "connection", " accepted"); ! 165: ANY(sppstat.spps_connects, "connection", " established"); ! 166: ANY(sppstat.spps_drops, "connection", " dropped"); ! 167: ANY(sppstat.spps_conndrops, "embryonic connection", " dropped"); ! 168: ANY(sppstat.spps_closed, "connection", " closed (includes drops)"); ! 169: ANY(sppstat.spps_segstimed, "packet", " where we tried to get rtt"); ! 170: ANY(sppstat.spps_rttupdated, "time", " we got rtt"); ! 171: ANY(sppstat.spps_delack, "delayed ack", " sent"); ! 172: ANY(sppstat.spps_timeoutdrop, "connection", " dropped in rxmt timeout"); ! 173: ANY(sppstat.spps_rexmttimeo, "retransmit timeout", ""); ! 174: ANY(sppstat.spps_persisttimeo, "persist timeout", ""); ! 175: ANY(sppstat.spps_keeptimeo, "keepalive timeout", ""); ! 176: ANY(sppstat.spps_keepprobe, "keepalive probe", " sent"); ! 177: ANY(sppstat.spps_keepdrops, "connection", " dropped in keepalive"); ! 178: ANY(sppstat.spps_sndtotal, "total packet", " sent"); ! 179: ANY(sppstat.spps_sndpack, "data packet", " sent"); ! 180: ANY(sppstat.spps_sndbyte, "data byte", " sent"); ! 181: ANY(sppstat.spps_sndrexmitpack, "data packet", " retransmitted"); ! 182: ANY(sppstat.spps_sndrexmitbyte, "data byte", " retransmitted"); ! 183: ANY(sppstat.spps_sndacks, "ack-only packet", " sent"); ! 184: ANY(sppstat.spps_sndprobe, "window probe", " sent"); ! 185: ANY(sppstat.spps_sndurg, "packet", " sent with URG only"); ! 186: ANY(sppstat.spps_sndwinup, "window update-only packet", " sent"); ! 187: ANY(sppstat.spps_sndctrl, "control (SYN|FIN|RST) packet", " sent"); ! 188: ANY(sppstat.spps_sndvoid, "request", " to send a non-existant packet"); ! 189: ANY(sppstat.spps_rcvtotal, "total packet", " received"); ! 190: ANY(sppstat.spps_rcvpack, "packet", " received in sequence"); ! 191: ANY(sppstat.spps_rcvbyte, "byte", " received in sequence"); ! 192: ANY(sppstat.spps_rcvbadsum, "packet", " received with ccksum errs"); ! 193: ANY(sppstat.spps_rcvbadoff, "packet", " received with bad offset"); ! 194: ANY(sppstat.spps_rcvshort, "packet", " received too short"); ! 195: ANY(sppstat.spps_rcvduppack, "duplicate-only packet", " received"); ! 196: ANY(sppstat.spps_rcvdupbyte, "duplicate-only byte", " received"); ! 197: ANY(sppstat.spps_rcvpartduppack, "packet", " with some duplicate data"); ! 198: ANY(sppstat.spps_rcvpartdupbyte, "dup. byte", " in part-dup. packet"); ! 199: ANY(sppstat.spps_rcvoopack, "out-of-order packet", " received"); ! 200: ANY(sppstat.spps_rcvoobyte, "out-of-order byte", " received"); ! 201: ANY(sppstat.spps_rcvpackafterwin, "packet", " with data after window"); ! 202: ANY(sppstat.spps_rcvbyteafterwin, "byte", " rcvd after window"); ! 203: ANY(sppstat.spps_rcvafterclose, "packet", " rcvd after 'close'"); ! 204: ANY(sppstat.spps_rcvwinprobe, "rcvd window probe packet", ""); ! 205: ANY(sppstat.spps_rcvdupack, "rcvd duplicate ack", ""); ! 206: ANY(sppstat.spps_rcvacktoomuch, "rcvd ack", " for unsent data"); ! 207: ANY(sppstat.spps_rcvackpack, "rcvd ack packet", ""); ! 208: ANY(sppstat.spps_rcvackbyte, "byte", " acked by rcvd acks"); ! 209: ANY(sppstat.spps_rcvwinupd, "rcvd window update packet", ""); ! 210: } ! 211: #undef ANY ! 212: #define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0) ! 213: ! 214: /* ! 215: * Dump IDP statistics structure. ! 216: */ ! 217: idp_stats(off, name) ! 218: off_t off; ! 219: char *name; ! 220: { ! 221: struct idpstat idpstat; ! 222: ! 223: if (off == 0) ! 224: return; ! 225: kvm_read(off, (char *)&idpstat, sizeof (idpstat)); ! 226: printf("%s:\n", name); ! 227: ANY(idpstat.idps_toosmall, "packet", " smaller than a header"); ! 228: ANY(idpstat.idps_tooshort, "packet", " smaller than advertised"); ! 229: ANY(idpstat.idps_badsum, "packet", " with bad checksums"); ! 230: } ! 231: ! 232: static struct { ! 233: u_short code; ! 234: char *name; ! 235: char *where; ! 236: } ns_errnames[] = { ! 237: {0, "Unspecified Error", " at Destination"}, ! 238: {1, "Bad Checksum", " at Destination"}, ! 239: {2, "No Listener", " at Socket"}, ! 240: {3, "Packet", " Refused due to lack of space at Destination"}, ! 241: {01000, "Unspecified Error", " while gatewayed"}, ! 242: {01001, "Bad Checksum", " while gatewayed"}, ! 243: {01002, "Packet", " forwarded too many times"}, ! 244: {01003, "Packet", " too large to be forwarded"}, ! 245: {-1, 0, 0}, ! 246: }; ! 247: ! 248: /* ! 249: * Dump NS Error statistics structure. ! 250: */ ! 251: /*ARGSUSED*/ ! 252: nserr_stats(off, name) ! 253: off_t off; ! 254: char *name; ! 255: { ! 256: struct ns_errstat ns_errstat; ! 257: register int j; ! 258: register int histoprint = 1; ! 259: int z; ! 260: ! 261: if (off == 0) ! 262: return; ! 263: kvm_read(off, (char *)&ns_errstat, sizeof (ns_errstat)); ! 264: printf("NS error statistics:\n"); ! 265: ANY(ns_errstat.ns_es_error, "call", " to ns_error"); ! 266: ANY(ns_errstat.ns_es_oldshort, "error", ! 267: " ignored due to insufficient addressing"); ! 268: ANY(ns_errstat.ns_es_oldns_err, "error request", ! 269: " in response to error packets"); ! 270: ANY(ns_errstat.ns_es_tooshort, "error packet", ! 271: " received incomplete"); ! 272: ANY(ns_errstat.ns_es_badcode, "error packet", ! 273: " received of unknown type"); ! 274: for(j = 0; j < NS_ERR_MAX; j ++) { ! 275: z = ns_errstat.ns_es_outhist[j]; ! 276: if (z && histoprint) { ! 277: printf("Output Error Histogram:\n"); ! 278: histoprint = 0; ! 279: } ! 280: ns_erputil(z, ns_errstat.ns_es_codes[j]); ! 281: ! 282: } ! 283: histoprint = 1; ! 284: for(j = 0; j < NS_ERR_MAX; j ++) { ! 285: z = ns_errstat.ns_es_inhist[j]; ! 286: if (z && histoprint) { ! 287: printf("Input Error Histogram:\n"); ! 288: histoprint = 0; ! 289: } ! 290: ns_erputil(z, ns_errstat.ns_es_codes[j]); ! 291: } ! 292: } ! 293: static ! 294: ns_erputil(z, c) ! 295: { ! 296: int j; ! 297: char codebuf[30]; ! 298: char *name, *where; ! 299: for(j = 0;; j ++) { ! 300: if ((name = ns_errnames[j].name) == 0) ! 301: break; ! 302: if (ns_errnames[j].code == c) ! 303: break; ! 304: } ! 305: if (name == 0) { ! 306: if (c > 01000) ! 307: where = "in transit"; ! 308: else ! 309: where = "at destination"; ! 310: sprintf(codebuf, "Unknown XNS error code 0%o", c); ! 311: name = codebuf; ! 312: } else ! 313: where = ns_errnames[j].where; ! 314: ANY(z, name, where); ! 315: } ! 316: static struct sockaddr_ns ssns = {AF_NS}; ! 317: ! 318: char *ns_prpr(x) ! 319: struct ns_addr *x; ! 320: { ! 321: extern char *ns_print(); ! 322: struct sockaddr_ns *sns = &ssns; ! 323: sns->sns_addr = *x; ! 324: return(ns_print(sns)); ! 325: }
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