Annotation of embedaddon/libnet/src/libnet_internal.c, revision 1.1
1.1 ! misho 1: /*
! 2: * $Id: libnet_internal.c,v 1.14 2004/03/16 18:40:59 mike Exp $
! 3: *
! 4: * libnet
! 5: * libnet_internal.c - secret routines!
! 6: *
! 7: * Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
! 8: * All rights reserved.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 22: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 29: * SUCH DAMAGE.
! 30: *
! 31: */
! 32:
! 33: #if (HAVE_CONFIG_H)
! 34: #include "../include/config.h"
! 35: #endif
! 36: #if (!(_WIN32) || (__CYGWIN__))
! 37: #include "../include/libnet.h"
! 38: #else
! 39: #include "../include/win32/libnet.h"
! 40: #endif
! 41:
! 42: void
! 43: libnet_diag_dump_hex(u_int8_t *packet, u_int32_t len, int swap, FILE *stream)
! 44: {
! 45: int i, s_cnt;
! 46: u_int16_t *p;
! 47:
! 48: p = (u_int16_t *)packet;
! 49: s_cnt = len / sizeof(u_int16_t);
! 50:
! 51: fprintf(stream, "\t");
! 52: for (i = 0; --s_cnt >= 0; i++)
! 53: {
! 54: if ((!(i % 8)))
! 55: {
! 56: fprintf(stream, "\n%02x\t", (i * 2));
! 57: }
! 58: fprintf(stream, "%04x ", swap ? ntohs(*(p++)) : *(p++));
! 59: }
! 60:
! 61: /*
! 62: * Mop up an odd byte.
! 63: */
! 64: if (len & 1)
! 65: {
! 66: if ((!(i % 8)))
! 67: {
! 68: fprintf(stream, "\n%02x\t", (i * 2));
! 69: }
! 70: fprintf(stream, "%02x ", *(u_int8_t *)p);
! 71: }
! 72: fprintf(stream, "\n");
! 73: }
! 74:
! 75:
! 76: void
! 77: libnet_diag_dump_context(libnet_t *l)
! 78: {
! 79: if (l == NULL)
! 80: {
! 81: return;
! 82: }
! 83:
! 84: fprintf(stderr, "fd:\t\t%d\n", l->fd);
! 85:
! 86: switch (l->injection_type)
! 87: {
! 88: case LIBNET_LINK:
! 89: fprintf(stderr, "injection type:\tLIBNET_LINK\n");
! 90: break;
! 91: case LIBNET_RAW4:
! 92: fprintf(stderr, "injection type:\tLIBNET_RAW4\n");
! 93: break;
! 94: case LIBNET_RAW6:
! 95: fprintf(stderr, "injection type:\tLIBNET_RAW6\n");
! 96: break;
! 97: case LIBNET_LINK_ADV:
! 98: fprintf(stderr, "injection type:\tLIBNET_LINK_ADV\n");
! 99: break;
! 100: case LIBNET_RAW4_ADV:
! 101: fprintf(stderr, "injection type:\tLIBNET_RAW4_ADV\n");
! 102: break;
! 103: case LIBNET_RAW6_ADV:
! 104: fprintf(stderr, "injection type:\tLIBNET_RAW6_ADV\n");
! 105: break;
! 106: default:
! 107: fprintf(stderr, "injection type:\tinvalid injection type %d\n",
! 108: l->injection_type);
! 109: break;
! 110: }
! 111:
! 112: fprintf(stderr, "pblock start:\t%p\n", l->protocol_blocks);
! 113: fprintf(stderr, "pblock end:\t%p\n", l->pblock_end);
! 114: fprintf(stderr, "link type:\t%d\n", l->link_type);
! 115: fprintf(stderr, "link offset:\t%d\n", l->link_offset);
! 116: fprintf(stderr, "aligner:\t%d\n", l->aligner);
! 117: fprintf(stderr, "device:\t\t%s\n", l->device);
! 118: fprintf(stderr, "packets sent:\t%lld\n", l->stats.packets_sent);
! 119: fprintf(stderr, "packet errors:\t%lld\n", l->stats.packet_errors);
! 120: fprintf(stderr, "bytes written:\t%lld\n", l->stats.bytes_written);
! 121: fprintf(stderr, "ptag state:\t%d\n", l->ptag_state);
! 122: fprintf(stderr, "context label:\t%s\n", l->label);
! 123: fprintf(stderr, "last errbuf:\t%s\n", l->err_buf);
! 124: fprintf(stderr, "total size:\t%d\n", l->total_size);
! 125: }
! 126:
! 127: void
! 128: libnet_diag_dump_pblock(libnet_t *l)
! 129: {
! 130: u_int32_t n;
! 131: libnet_pblock_t *p;
! 132:
! 133: for (p = l->protocol_blocks; p; p = p->next)
! 134: {
! 135: fprintf(stderr, "pblock type:\t%s\n",
! 136: libnet_diag_dump_pblock_type(p->type));
! 137: fprintf(stderr, "ptag number:\t%d\n", p->ptag);
! 138: fprintf(stderr, "IP offset:\t%d\n", p->ip_offset);
! 139: fprintf(stderr, "pblock address:\t%p\n", p);
! 140: fprintf(stderr, "next pblock\t%p ", p->next);
! 141: if (p->next)
! 142: {
! 143: fprintf(stderr, "(%s)",
! 144: libnet_diag_dump_pblock_type(p->next->type));
! 145: }
! 146: fprintf(stderr, "\n");
! 147: fprintf(stderr, "prev pblock\t%p ", p->prev);
! 148: if (p->prev)
! 149: {
! 150: fprintf(stderr, "(%s)",
! 151: libnet_diag_dump_pblock_type(p->prev->type));
! 152: }
! 153: fprintf(stderr, "\n");
! 154: fprintf(stderr, "buf:\t\t");
! 155: for (n = 0; n < p->b_len; n++)
! 156: {
! 157: fprintf(stderr, "%02x", p->buf[n]);
! 158: }
! 159: fprintf(stderr, "\nbuffer length:\t%d\n", p->b_len);
! 160: if ((p->flags) & LIBNET_PBLOCK_DO_CHECKSUM)
! 161: {
! 162: fprintf(stderr, "checksum flag:\tYes\n");
! 163: fprintf(stderr, "chksum length:\t%d\n", p->h_len);
! 164: }
! 165: else
! 166: {
! 167: fprintf(stderr, "checksum flag:\tNo\n");
! 168: }
! 169: fprintf(stderr, "bytes copied:\t%d\n\n", p->copied);
! 170: }
! 171: }
! 172:
! 173: char *
! 174: libnet_diag_dump_pblock_type(u_int8_t type)
! 175: {
! 176: static int8_t buf[50];
! 177: switch (type)
! 178: {
! 179: case LIBNET_PBLOCK_ARP_H:
! 180: return ("arp header");
! 181: case LIBNET_PBLOCK_DHCPV4_H:
! 182: return ("dhcpv4 header");
! 183: case LIBNET_PBLOCK_DNSV4_H:
! 184: return ("dnsv4 header");
! 185: case LIBNET_PBLOCK_ETH_H:
! 186: return ("ethernet header");
! 187: case LIBNET_PBLOCK_ICMPV4_H:
! 188: return ("icmpv4 header");
! 189: case LIBNET_PBLOCK_ICMPV4_ECHO_H:
! 190: return ("icmpv4 echo header");
! 191: case LIBNET_PBLOCK_ICMPV4_MASK_H:
! 192: return ("icmpv4 mask header");
! 193: case LIBNET_PBLOCK_ICMPV4_UNREACH_H:
! 194: return ("icmpv4 unreachable header");
! 195: case LIBNET_PBLOCK_ICMPV4_TIMXCEED_H:
! 196: return ("icmpv4 time exceeded header");
! 197: case LIBNET_PBLOCK_ICMPV4_REDIRECT_H:
! 198: return ("icmpv4 redirect header");
! 199: case LIBNET_PBLOCK_ICMPV4_TS_H:
! 200: return ("icmpv4 timestamp header");
! 201: case LIBNET_PBLOCK_IGMP_H:
! 202: return ("igmp header");
! 203: case LIBNET_PBLOCK_IPV4_H:
! 204: return ("ipv4 header");
! 205: case LIBNET_PBLOCK_IPO_H:
! 206: return ("ip options header");
! 207: case LIBNET_PBLOCK_IPDATA:
! 208: return ("ip data");
! 209: case LIBNET_PBLOCK_OSPF_H:
! 210: return ("ospf header");
! 211: case LIBNET_PBLOCK_OSPF_HELLO_H:
! 212: return ("ospf hello header");
! 213: case LIBNET_PBLOCK_OSPF_DBD_H:
! 214: return ("ospf dbd header");
! 215: case LIBNET_PBLOCK_OSPF_LSR_H:
! 216: return ("ospf lsr header");
! 217: case LIBNET_PBLOCK_OSPF_LSU_H:
! 218: return ("ospf lsu header");
! 219: case LIBNET_PBLOCK_OSPF_LSA_H:
! 220: return ("ospf lsa header");
! 221: case LIBNET_PBLOCK_OSPF_AUTH_H:
! 222: return ("ospf authentication header");
! 223: case LIBNET_PBLOCK_OSPF_CKSUM:
! 224: return ("ospf checksum");
! 225: case LIBNET_PBLOCK_LS_RTR_H:
! 226: return ("ospf ls rtr header");
! 227: case LIBNET_PBLOCK_LS_NET_H:
! 228: return ("ospf ls net header");
! 229: case LIBNET_PBLOCK_LS_SUM_H:
! 230: return ("ospf ls sum header");
! 231: case LIBNET_PBLOCK_LS_AS_EXT_H:
! 232: return ("ospf ls as extension header");
! 233: case LIBNET_PBLOCK_NTP_H:
! 234: return ("ntp header");
! 235: case LIBNET_PBLOCK_RIP_H:
! 236: return ("rip header");
! 237: case LIBNET_PBLOCK_TCP_H:
! 238: return ("tcp header");
! 239: case LIBNET_PBLOCK_TCPO_H:
! 240: return ("tcp options header");
! 241: case LIBNET_PBLOCK_TCPDATA:
! 242: return ("tcp data");
! 243: case LIBNET_PBLOCK_UDP_H:
! 244: return ("udp header");
! 245: case LIBNET_PBLOCK_VRRP_H:
! 246: return ("vrrp header");
! 247: case LIBNET_PBLOCK_DATA_H:
! 248: return ("data");
! 249: case LIBNET_PBLOCK_CDP_H:
! 250: return ("cdp header");
! 251: case LIBNET_PBLOCK_IPSEC_ESP_HDR_H:
! 252: return ("ipsec esp header");
! 253: case LIBNET_PBLOCK_IPSEC_ESP_FTR_H:
! 254: return ("ipsec esp footer");
! 255: case LIBNET_PBLOCK_IPSEC_AH_H:
! 256: return ("ipsec authentication header");
! 257: case LIBNET_PBLOCK_802_1Q_H:
! 258: return ("802.1q header");
! 259: case LIBNET_PBLOCK_802_2_H:
! 260: return ("802.2 header");
! 261: case LIBNET_PBLOCK_802_2SNAP_H:
! 262: return ("802.2SNAP header");
! 263: case LIBNET_PBLOCK_802_3_H:
! 264: return ("802.3 header");
! 265: case LIBNET_PBLOCK_STP_CONF_H:
! 266: return ("stp configuration header");
! 267: case LIBNET_PBLOCK_STP_TCN_H:
! 268: return ("stp tcn header");
! 269: case LIBNET_PBLOCK_ISL_H:
! 270: return ("isl header");
! 271: case LIBNET_PBLOCK_IPV6_H:
! 272: return ("ipv6 header");
! 273: case LIBNET_PBLOCK_802_1X_H:
! 274: return ("802.1x header");
! 275: case LIBNET_PBLOCK_RPC_CALL_H:
! 276: return ("rpc call header");
! 277: case LIBNET_PBLOCK_MPLS_H:
! 278: return ("mlps header");
! 279: case LIBNET_PBLOCK_FDDI_H:
! 280: return ("fddi header");
! 281: case LIBNET_PBLOCK_TOKEN_RING_H:
! 282: return ("token ring header");
! 283: case LIBNET_PBLOCK_BGP4_HEADER_H:
! 284: return ("bgp header");
! 285: case LIBNET_PBLOCK_BGP4_OPEN_H:
! 286: return ("bgp open header");
! 287: case LIBNET_PBLOCK_BGP4_UPDATE_H:
! 288: return ("bgp update header");
! 289: case LIBNET_PBLOCK_BGP4_NOTIFICATION_H:
! 290: return ("bgp notification header");
! 291: case LIBNET_PBLOCK_GRE_H:
! 292: return ("gre header");
! 293: case LIBNET_PBLOCK_GRE_SRE_H:
! 294: return ("gre sre header");
! 295: case LIBNET_PBLOCK_IPV6_FRAG_H:
! 296: return ("ipv6 fragmentation header");
! 297: case LIBNET_PBLOCK_IPV6_ROUTING_H:
! 298: return ("ipv6 routing header");
! 299: case LIBNET_PBLOCK_IPV6_DESTOPTS_H:
! 300: return ("ipv6 destination options header");
! 301: case LIBNET_PBLOCK_IPV6_HBHOPTS_H:
! 302: return ("ipv6 hop by hop options header");
! 303: default:
! 304: snprintf(buf, sizeof(buf),
! 305: "%s(): unknown pblock type: %d", __func__, type);
! 306: return (buf);
! 307: }
! 308: return ("unreachable code");
! 309: }
! 310: /* EOF */
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