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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:42:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:42:04 +0000 |
commit | 0d47952611198ef6b1163f366dc03922d20b1475 (patch) | |
tree | 3d840a3b8c0daef0754707bfb9f5e873b6b1ac13 /libnetutil/ICMPv6RRBody.cc | |
parent | Initial commit. (diff) | |
download | nmap-upstream.tar.xz nmap-upstream.zip |
Adding upstream version 7.94+git20230807.3be01efb1+dfsg.upstream/7.94+git20230807.3be01efb1+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libnetutil/ICMPv6RRBody.cc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/libnetutil/ICMPv6RRBody.cc b/libnetutil/ICMPv6RRBody.cc new file mode 100644 index 0000000..8d72cda --- /dev/null +++ b/libnetutil/ICMPv6RRBody.cc @@ -0,0 +1,111 @@ +/*************************************************************************** + * 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() */ + |