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5e3934b15a
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user or with the express written consent of
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* Sun Microsystems, Inc.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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/*
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* Copyright (C) 1986, Sun Microsystems, Inc.
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*/
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#include <sys/cdefs.h>
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#include <sys/file.h>
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#include <rpc/rpc.h>
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#include <rpc/key_prot.h>
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#include <mp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "extern.h"
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static void adjust(char[HEXKEYBYTES + 1], char *);
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static void getseed(char *, int, unsigned char *);
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/*
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* Generate a seed
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*/
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static void
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getseed(char *seed, int seedsize, unsigned char *pass)
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{
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int i;
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for (i = 0; i < seedsize; i++) {
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seed[i] = (arc4random() & 0xff) ^ pass[i % 8];
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}
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}
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/*
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* Generate a random public/secret key pair
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*/
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void
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genkeys(char *public, char *secret, char *pass)
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{
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unsigned int i;
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# define BASEBITS (8*sizeof (short) - 1)
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# define BASE (1 << BASEBITS)
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MINT *pk = mp_itom(0);
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MINT *sk = mp_itom(0);
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MINT *tmp;
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MINT *base = mp_itom((short)BASE);
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MINT *root = mp_itom(PROOT);
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MINT *modulus = mp_xtom(HEXMODULUS);
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short r;
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unsigned short seed[KEYSIZE/BASEBITS + 1];
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char *xkey;
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getseed((char *)seed, sizeof (seed), (u_char *)pass);
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for (i = 0; i < KEYSIZE/BASEBITS + 1; i++) {
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r = seed[i] % BASE;
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tmp = mp_itom(r);
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mp_mult(sk, base, sk);
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mp_madd(sk, tmp, sk);
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mp_mfree(tmp);
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}
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tmp = mp_itom(0);
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mp_mdiv(sk, modulus, tmp, sk);
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mp_mfree(tmp);
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mp_pow(root, sk, modulus, pk);
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xkey = mp_mtox(sk);
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adjust(secret, xkey);
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xkey = mp_mtox(pk);
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adjust(public, xkey);
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mp_mfree(sk);
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mp_mfree(base);
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mp_mfree(pk);
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mp_mfree(root);
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mp_mfree(modulus);
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}
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/*
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* Adjust the input key so that it is 0-filled on the left
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*/
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static void
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adjust(char keyout[HEXKEYBYTES+1], char *keyin)
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{
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char *p;
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char *s;
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for (p = keyin; *p; p++)
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;
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for (s = keyout + HEXKEYBYTES; p >= keyin; p--, s--) {
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*s = *p;
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}
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while (s >= keyout) {
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*s-- = '0';
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}
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}
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