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Relicense under New BSD (2-clause) license. I don't see any advantage to

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restricting use unnecessarily, and simple attribution is fine.
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Nicholas J. Kain 2011-07-25 02:30:57 -04:00
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LICENSE
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GNU GENERAL PUBLIC LICENSE Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
Version 2, June 1991 All rights reserved.
Copyright (C) 1989, 1991 Free Software Foundation, Inc. Redistribution and use in source and binary forms, with or without
675 Mass Ave, Cambridge, MA 02139, USA modification, are permitted provided that the following conditions are met:
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble - Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
The licenses for most software are designed to take away your - Redistributions in binary form must reproduce the above copyright notice,
freedom to share and change it. By contrast, the GNU General Public this list of conditions and the following disclaimer in the documentation
License is intended to guarantee your freedom to share and change free and/or other materials provided with the distribution.
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
price. Our General Public Licenses are designed to make sure that you AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
have the freedom to distribute copies of free software (and charge for IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
this service if you wish), that you receive source code or can get it ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
if you want it, that you can change the software or use pieces of it LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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To protect your rights, we need to make restrictions that forbid INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
Appendix: How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) 19yy <name of author>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) 19yy name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

7
README
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ndhc + ifchd, Copyright (C) 2004-2011 Nicholas J. Kain. ndhc + ifchd, Copyright (C) 2004-2011 Nicholas J. Kain.
Licensed under GNU GPL v2. See LICENSE for licensing information. In short: Two-clause / New BSD.
Requirements: Requirements:
Linux kernel (2.4 used to work long ago, but I only test 2.6 now) Linux kernel
C99-compliant C compiler (any recent GCC will work)
GNU Make (tested: 3.82) or CMake (tested: 2.8) GNU Make (tested: 3.82) or CMake (tested: 2.8)
libcap (available via ftp.kernel.org) libcap (available via ftp.kernel.org)
Tested with glibc. dietlibc is not compatible. I have not tested uclibc.
INTRODUCTION INTRODUCTION
------------ ------------

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ifchd/ifchd.c
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/* ifchd.c - interface change daemon /* ifchd.c - interface change daemon
* Time-stamp: <2011-05-30 10:30:20 njk>
* *
* (C) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <unistd.h> #include <unistd.h>

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ifchd/linux.c
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/* linux.c - ifchd Linux-specific functions /* linux.c - ifchd Linux-specific functions
* Time-stamp: <2011-05-31 11:54:30 njk>
* *
* (C) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <unistd.h> #include <unistd.h>

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ifchd/linux.h
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/* linux.h - ifchd Linux-specific functions include /* linux.h - ifchd Linux-specific functions include
* Time-stamp: <2010-11-12 14:31:33 njk>
* *
* (C) 2004-2010 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2010 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef NJK_IFCHD_LINUX_H_ #ifndef NJK_IFCHD_LINUX_H_

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ndhc/arp.c
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/* arp.c - arp ping checking /* arp.c - arp ping checking
* Time-stamp: <2011-07-09 17:34:29 njk>
* *
* Copyright 2010-2011 Nicholas J. Kain <njkain@gmail.com> * Copyright (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <unistd.h> #include <unistd.h>
#include <stdlib.h> #include <stdlib.h>

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ndhc/arp.h
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/* arp.h - functions to call the interface change daemon /* arp.h - functions to call the interface change daemon
* Time-stamp: <2011-07-09 15:39:46 njk>
* *
* Copyright 2010-2011 Nicholas J. Kain <njkain@gmail.com> * Copyright (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef ARP_H_ #ifndef ARP_H_
#define ARP_H_ #define ARP_H_

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ndhc/config.h
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/* config.h - internal configuration and state for ndhc /* config.h - internal configuration and state for ndhc
* Time-stamp: <2011-07-05 15:43:16 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef NDHC_CONFIG_H_ #ifndef NDHC_CONFIG_H_

36
ndhc/dhcp.c
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@ -1,21 +1,29 @@
/* packet.c - send and react to DHCP message packets /* dhcp.c - general DHCP protocol handling
* Time-stamp: <2011-07-03 18:53:28 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <stdlib.h> #include <stdlib.h>

41
ndhc/dhcp.h
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@ -1,26 +1,33 @@
/* packet.h - send and react to DHCP message packets /* dhcp.h - general DHCP protocol handling
* Time-stamp: <2011-07-06 11:17:15 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* (c) 2001 Russ Dill <Russ.Dill@asu.edu> * All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef PACKET_H_ #ifndef NDHC_DHCP_H_
#define PACKET_H_ #define NDHC_DHCP_H_
#include <netinet/udp.h> #include <netinet/udp.h>
#include <netinet/ip.h> #include <netinet/ip.h>

34
ndhc/ifchange.c
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@ -1,21 +1,29 @@
/* ifchange.c - functions to call the interface change daemon /* ifchange.c - functions to call the interface change daemon
* Time-stamp: <2011-07-05 19:22:50 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <string.h> #include <string.h>

34
ndhc/ifchange.h
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@ -1,21 +1,29 @@
/* ifchange.h - functions to call the interface change daemon /* ifchange.h - functions to call the interface change daemon
* Time-stamp: <2011-07-04 20:47:58 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef IFCHANGE_H_ #ifndef IFCHANGE_H_

34
ndhc/leasefile.c
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@ -1,21 +1,29 @@
/* leasefile.c - functions for writing the lease file /* leasefile.c - functions for writing the lease file
* Time-stamp: <2011-04-25 01:02:26 njk>
* *
* (c) 2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <stdlib.h> #include <stdlib.h>

34
ndhc/leasefile.h
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@ -1,21 +1,29 @@
/* leasefile.h - functions for writing the lease file /* leasefile.h - functions for writing the lease file
* Time-stamp: <2011-04-19 16:22:47 njk>
* *
* (c) 2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
void set_leasefile(char *lf); void set_leasefile(char *lf);

34
ndhc/ndhc.c
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@ -1,21 +1,29 @@
/* ndhc.c - DHCP client /* ndhc.c - DHCP client
* Time-stamp: <2011-07-05 13:04:13 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <stdio.h> #include <stdio.h>

33
ndhc/netlink.c
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@ -1,20 +1,29 @@
/* netlink.c - netlink physical link notification handling and info retrieval /* netlink.c - netlink physical link notification handling and info retrieval
* *
* (c) 2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <arpa/inet.h> #include <arpa/inet.h>

33
ndhc/netlink.h
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@ -1,20 +1,29 @@
/* netlink.h - netlink physical link notification handling and info retrieval /* netlink.h - netlink physical link notification handling and info retrieval
* *
* (c) 2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef NK_NETLINK_H_ #ifndef NK_NETLINK_H_

28
ndhc/nl.c
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@ -1,3 +1,31 @@
/* nl.c - low level netlink protocol functions
*
* Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <assert.h> #include <assert.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/socket.h> #include <sys/socket.h>

28
ndhc/nl.h
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@ -1,10 +1,36 @@
/* nl.h - low level netlink protocol functions
*
* Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#ifndef NK_NL_H_ #ifndef NK_NL_H_
#define NK_NL_H_ #define NK_NL_H_
// Limited netlink code. The horrors... // Limited netlink code. The horrors...
#include <linux/netlink.h> #include <linux/netlink.h>
//#include <linux/rtnetlink.h>
static inline int nl_attr_ok(const struct nlattr *attr, size_t len) static inline int nl_attr_ok(const struct nlattr *attr, size_t len)
{ {

34
ndhc/options.c
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@ -1,21 +1,29 @@
/* options.c - DHCP options handling /* options.c - DHCP options handling
* Time-stamp: <2011-07-05 16:11:32 njk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <stdio.h> #include <stdio.h>

34
ndhc/options.h
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@ -1,21 +1,29 @@
/* options.h - DHCP options handling /* options.h - DHCP options handling
* Time-stamp: <2011-03-30 16:34:55 nk>
* *
* (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2004-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef OPTIONS_H_ #ifndef OPTIONS_H_
#define OPTIONS_H_ #define OPTIONS_H_

27
ndhc/state.c
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@ -1,3 +1,30 @@
/* state.c - high level DHCP state machine
*
* Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <unistd.h> #include <unistd.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>

27
ndhc/state.h
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@ -1,3 +1,30 @@
/* state.h - high level DHCP state machine
*
* Copyright (c) 2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#ifndef NDHC_STATE_H_ #ifndef NDHC_STATE_H_
#define NDHC_STATE_H_ #define NDHC_STATE_H_

34
ndhc/sys.c
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@ -1,21 +1,29 @@
/* sys.c - linux-specific signal and epoll functions /* sys.c - linux-specific signal and epoll functions
* Time-stamp: <2011-03-30 23:40:33 nk>
* *
* (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 <unistd.h> #include <unistd.h>

35
ndhc/sys.h
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@ -1,23 +1,30 @@
/* sys.h - linux-specific signal and epoll functions /* sys.h - linux-specific signal and epoll functions
* Time-stamp: <2011-03-30 23:41:04 nk>
* *
* (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com> * Copyright (c) 2010-2011 Nicholas J. Kain <njkain at gmail dot com>
* All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * Redistribution and use in source and binary forms, with or without
* it under the terms of the GNU General Public License as published by * modification, are permitted provided that the following conditions are met:
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * - Redistributions of source code must retain the above copyright notice,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * this list of conditions and the following disclaimer.
* 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 * - Redistributions in binary form must reproduce the above copyright notice,
* along with this program; if not, write to the Free Software * this list of conditions and the following disclaimer in the documentation
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/ */
#ifndef SYS_H_ #ifndef SYS_H_
#define SYS_H_ #define SYS_H_