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/***************************************************************************
* ICMPv6RRBody.h -- The ICMPv6RRBody Class represents an ICMP version 6 *
* Router Renumbering message body. It contains methods to set any header *
* field. In general, these methods do error checkings and byte order *
* conversions. *
* *
***********************IMPORTANT NMAP LICENSE TERMS************************
*
* The Nmap Security Scanner is (C) 1996-2023 Nmap Software LLC ("The Nmap
* Project"). Nmap is also a registered trademark of the Nmap Project.
*
* This program is distributed under the terms of the Nmap Public Source
* License (NPSL). The exact license text applying to a particular Nmap
* release or source code control revision is contained in the LICENSE
* file distributed with that version of Nmap or source code control
* revision. More Nmap copyright/legal information is available from
* https://nmap.org/book/man-legal.html, and further information on the
* NPSL license itself can be found at https://nmap.org/npsl/ . This
* header summarizes some key points from the Nmap license, but is no
* substitute for the actual license text.
*
* Nmap is generally free for end users to download and use themselves,
* including commercial use. It is available from https://nmap.org.
*
* The Nmap license generally prohibits companies from using and
* redistributing Nmap in commercial products, but we sell a special Nmap
* OEM Edition with a more permissive license and special features for
* this purpose. See https://nmap.org/oem/
*
* If you have received a written Nmap license agreement or contract
* stating terms other than these (such as an Nmap OEM license), you may
* choose to use and redistribute Nmap under those terms instead.
*
* The official Nmap Windows builds include the Npcap software
* (https://npcap.com) for packet capture and transmission. It is under
* separate license terms which forbid redistribution without special
* permission. So the official Nmap Windows builds may not be redistributed
* without special permission (such as an Nmap OEM license).
*
* Source is provided to this software because we believe users have a
* right to know exactly what a program is going to do before they run it.
* This also allows you to audit the software for security holes.
*
* Source code also allows you to port Nmap to new platforms, fix bugs, and add
* new features. You are highly encouraged to submit your changes as a Github PR
* or by email to the dev@nmap.org mailing list for possible incorporation into
* the main distribution. Unless you specify otherwise, it is understood that
* you are offering us very broad rights to use your submissions as described in
* the Nmap Public Source License Contributor Agreement. This is important
* because we fund the project by selling licenses with various terms, and also
* because the inability to relicense code has caused devastating problems for
* other Free Software projects (such as KDE and NASM).
*
* The free version of Nmap 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. Warranties,
* indemnification and commercial support are all available through the
* Npcap OEM program--see https://nmap.org/oem/
*
***************************************************************************/
/* This code was originally part of the Nping tool. */
#include "ICMPv6RRBody.h"
ICMPv6RRBody::ICMPv6RRBody() {
this->reset();
} /* End of ICMPv6RRBody constructor */
ICMPv6RRBody::~ICMPv6RRBody() {
} /* End of ICMPv6RRBody destructor */
/** Sets every class attribute to zero */
void ICMPv6RRBody::reset(){
memset(&this->h, 0, sizeof(nping_icmpv6_rr_body_t));
h_mp = (rr_match_prefix_t *)this->h.data;
h_up = (rr_use_prefix_t *)this->h.data;
h_r = (rr_result_msg_t *)this->h.data;
} /* End of reset() */
/** @warning This method is essential for the superclass getBinaryBuffer()
* method to work. Do NOT change a thing unless you know what you're doing */
u8 *ICMPv6RRBody::getBufferPointer(){
return (u8*)(&this->h);
} /* End of getBufferPointer() */
/** Stores supplied packet in the internal buffer so the information
* can be accessed using the standard get & set methods.
* @warning The ICMPv6RRBody class is able to hold a maximum of
* sizeof(nping_icmpv6_rr_body_t) bytes. If the supplied buffer is longer than
* that, only the first sizeof(nping_icmpv6_rr_body_t) bytes will be stored in
* the internal buffer.
* @warning Supplied len MUST be at least ICMPv6_RR_MIN_LENGTH bytes
* @return OP_SUCCESS on success and OP_FAILURE in case of error */
int ICMPv6RRBody::storeRecvData(const u8 *buf, size_t len){
if(buf==NULL || len<ICMPv6_RR_MIN_LENGTH){
return OP_FAILURE;
}else{
int stored_len = MIN( sizeof(nping_icmpv6_rr_body_t), len);
this->reset(); /* Re-init the object, just in case the caller had used it already */
this->length=stored_len;
memcpy(&(this->h), buf, stored_len);
}
return OP_SUCCESS;
} /* End of storeRecvData() */
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