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- /* $Id$ */
- /*
- * Copyright (c) 2001-2010 Aaron Turner <aturner at synfin dot net>
- * Copyright (c) 2013-2017 Fred Klassen <tcpreplay at appneta dot com> - AppNeta
- *
- * The Tcpreplay Suite of tools is free software: you can redistribute it
- * and/or modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or with the authors permission any later version.
- *
- * The Tcpreplay Suite is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Tcpreplay Suite. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef _TCPEDIT_TYPES_H_
- #define _TCPEDIT_TYPES_H_
- #include "defines.h"
- #include "common.h"
- #include "tcpr.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define TCPEDIT_SOFT_ERROR -2
- #define TCPEDIT_ERROR -1
- #define TCPEDIT_OK 0
- #define TCPEDIT_WARN 1
- typedef enum {
- TCPEDIT_FIXLEN_OFF = 0,
- TCPEDIT_FIXLEN_PAD,
- TCPEDIT_FIXLEN_TRUNC,
- TCPEDIT_FIXLEN_DEL
- } tcpedit_fixlen;
- typedef enum {
- TCPEDIT_TTL_MODE_OFF = 0,
- TCPEDIT_TTL_MODE_SET,
- TCPEDIT_TTL_MODE_ADD,
- TCPEDIT_TTL_MODE_SUB
- } tcpedit_ttl_mode;
- typedef enum {
- TCPEDIT_EDIT_BOTH = 0,
- TCPEDIT_EDIT_C2S,
- TCPEDIT_EDIT_S2C
- } tcpedit_direction;
- typedef enum {
- BEFORE_PROCESS,
- AFTER_PROCESS
- } tcpedit_coder;
- #define TCPEDIT_ERRSTR_LEN 1024
- typedef struct {
- COUNTER packetnum;
- COUNTER total_bytes;
- COUNTER pkts_edited;
- int dlt1;
- int dlt2;
- char errstr[TCPEDIT_ERRSTR_LEN];
- char warnstr[TCPEDIT_ERRSTR_LEN];
- #ifdef FORCE_ALIGN
- u_char *l3buff;
- #endif
- } tcpedit_runtime_t;
- /*
- * need to track some packet info at runtime
- */
- typedef struct {
- int l2len;
- int l3len;
- int datalen;
- u_int8_t l4proto;
- u_char *l4data;
- u_int16_t sport, dport;
- union {
- u_int32_t ipv4;
- struct tcpr_in6_addr ipv6;
- } sip, dip;
- } tcpedit_packet_t;
- /*
- * portmap data struct
- */
- typedef struct tcpedit_portmap_s {
- long from;
- long to;
- struct tcpedit_portmap_s *next;
- } tcpedit_portmap_t;
- /*
- * all the arguments that the packet editing library supports
- */
- typedef struct {
- bool validated; /* have we run tcpedit_validate()? */
- struct tcpeditdlt_s *dlt_ctx;
- tcpedit_packet_t *packet;
-
- /* runtime variables, don't mess with these */
- tcpedit_runtime_t runtime;
-
- /* skip rewriting IP/MAC's which are broadcast or multicast? */
- bool skip_broadcast;
- /* pad or truncate packets */
- tcpedit_fixlen fixlen;
- tcpedit_direction editdir;
- /* rewrite ip? */
- bool rewrite_ip;
-
- /* fix IP/TCP/UDP checksums */
- bool fixcsum;
- /* remove ethernet FCS */
- bool efcs;
- tcpedit_ttl_mode ttl_mode;
- u_int8_t ttl_value;
- /* TOS/DiffServ/ECN, -1 is disabled, else copy value */
- int tos;
-
- /* IPv6 FlowLabel, -1 is disabled, else copy value */
- int flowlabel;
-
- /* IPv6 TClass, -1 is disabled, else copy value */
- int tclass;
-
- /* rewrite end-point IP addresses between cidrmap1 & cidrmap2 */
- tcpr_cidrmap_t *cidrmap1; /* tcpprep cache data */
- tcpr_cidrmap_t *cidrmap2;
-
- /* src & dst IP mapping */
- tcpr_cidrmap_t *srcipmap;
- tcpr_cidrmap_t *dstipmap;
-
- /* pseudo-randomize IP addresses using a seed */
- uint32_t seed;
-
- /* rewrite tcp/udp ports */
- tcpedit_portmap_t *portmap;
-
- int mtu; /* Deal with different MTU's */
- bool mtu_truncate; /* Should we truncate frames > MTU? */
- int maxpacket; /* L2 header + MTU */
- uint32_t fuzz_seed;
- uint32_t fuzz_factor;
- } tcpedit_t;
- #ifdef __cplusplus
- }
- #endif
- #endif
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