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- /* $Id: tcpedit.h 1841 2007-04-26 03:43:14Z aturner $ */
- /*
- * Copyright (c) 2001-2007 Aaron Turner.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the names of the copyright owners nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "defines.h"
- #include "common.h"
- #include "parse_args.h"
- #ifndef _TCPEDIT_H_
- #define _TCPEDIT_H_
- #define TCPEDIT_SOFT_ERROR -2
- #define TCPEDIT_ERROR -1
- #define TCPEDIT_OK 0
- #define TCPEDIT_WARN 1
- typedef struct tcpedit_s tcpedit_t;
- int tcpedit_init(tcpedit_t **tcpedit_ex, int dlt);
- char *tcpedit_geterr(tcpedit_t *tcpedit);
- char *tcpedit_getwarn(tcpedit_t *tcpedit);
- int tcpedit_checkerror(tcpedit_t *tcpedit, const int rcode, const char *prefix);
- int tcpedit_validate(tcpedit_t *tcpedit);
- int tcpedit_packet(tcpedit_t *tcpedit, struct pcap_pkthdr **pkthdr,
- u_char **pktdata, tcpr_dir_t direction);
- int tcpedit_close(tcpedit_t *tcpedit);
- int tcpedit_get_output_dlt(tcpedit_t *tcpedit);
- enum tcpedit_coder_s {
- BEFORE_PROCESS,
- AFTER_PROCESS
- };
- typedef enum tcpedit_coder_s tcpedit_coder_t;
- /*
- * semi-direct packet access methods. Use when you're not using tcpedit_packet()
- * all these methods either return NULL or a TCPEDIT_(SOFT_)ERROR code on error
- */
- int tcpedit_l2len(tcpedit_t *tcpedit, tcpedit_coder_t code, u_char *packet, const int pktlen);
- /* on strictly aligned systems, this may return a pointer to a temporary static buffer */
- const u_char *tcpedit_l3data(tcpedit_t *tcpedit, tcpedit_coder_t code, u_char *packet, const int pktlen);
- int tcpedit_l3proto(tcpedit_t *tcpedit, tcpedit_coder_t code, const u_char *packet, const int pktlen);
- // u_char *tcpedit_srcmac(tcpedit_t *tcpedit, tcpedit_coder_t code, u_char *packet, const int pktlen);
- // u_char *tcpedit_dstmac(tcpedit_t *tcpedit, tcpedit_coder_t code, u_char *packet, const int pktlen);
- // int tcpedit_maclen(tcpedit_t *tcpedit, tcpedit_coder_t code);
- COUNTER tcpedit_get_total_bytes(tcpedit_t *tcpedit);
- COUNTER tcpedit_get_pkts_edited(tcpedit_t *tcpedit);
- #endif
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