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* author: Darren Bounds <dbounds@intrusense.com>
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* copyright: Copyright (C) 2002 by Darren Bounds
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* license: This software is under GPL version 2 of license
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* 4g8 official page at http://.net
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udp_hdr(u_int8_t *packet, u_int16_t diff)
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struct libnet_udp_hdr *udphdr;
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fprintf(stdout, "DEBUG: udp_hdr()\n");
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udphdr = (struct libnet_udp_hdr *)(packet + IPV4_H + hdr_len);
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fprintf(stdout, "UDP header: Src Port: %d Dst Port: %d Len: %d ",
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htons(udphdr->uh_sport),
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htons(udphdr->uh_dport),
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ntohs(udphdr->uh_ulen));
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fprintf(stdout, "\n");
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payload_len = ntohs(udphdr->uh_ulen) - 8;
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htons(udphdr->uh_sport),
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htons(udphdr->uh_dport),
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ntohs(udphdr->uh_ulen),
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(payload_len == 0) ? NULL : packet + hdr_len + IPV4_H + 8,
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fatal_error("Unable to build UDP header: %s", libnet_geterror(pkt_d));
added
removed
src/udp_hdr.c
