Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 288 insertions, 0 deletions

diff --git a/libraries/liblutil/sha1.c b/libraries/liblutil/sha1.c
new file mode 100644
index 0000000..ae153c2
--- /dev/null
+++ b/libraries/liblutil/sha1.c
@@ -0,0 +1,288 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* This work was derived from code developed by Steve Reid and
+ * adapted for use in OpenLDAP by Kurt D. Zeilenga.
+ */
+
+
+/*	Acquired from:
+ *	$OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $	*/
+/*
+ * SHA-1 in C
+ * By Steve Reid <steve@edmweb.com>
+ * 100% Public Domain
+ *
+ * Test Vectors (from FIPS PUB 180-1)
+ * "abc"
+ *   A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
+ * "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+ *   84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
+ * A million repetitions of "a"
+ *   34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
+ */
+/*
+ * This code assumes uint32 is 32 bits and char is 8 bits
+ */
+
+#include "portable.h"
+#include <ac/param.h>
+#include <ac/string.h>
+#include <ac/socket.h>
+#include <ac/bytes.h>
+
+#include "lutil_sha1.h"
+
+#ifdef LUTIL_SHA1_BYTES
+
+/* undefining this will cause pointer alignment errors */
+#define SHA1HANDSOFF		/* Copies data before messing with it. */
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+/*
+ * blk0() and blk() perform the initial expand.
+ * I got the idea of expanding during the round function from SSLeay
+ */
+#if BYTE_ORDER == LITTLE_ENDIAN
+# define blk0(i) (block[i] = (rol(block[i],24)&0xFF00FF00) \
+    |(rol(block[i],8)&0x00FF00FF))
+#else
+# define blk0(i) block[i]
+#endif
+#define blk(i) (block[i&15] = rol(block[(i+13)&15]^block[(i+8)&15] \
+    ^block[(i+2)&15]^block[i&15],1))
+
+/*
+ * (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
+ */
+#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+
+/*
+ * Hash a single 512-bit block. This is the core of the algorithm.
+ */
+void
+lutil_SHA1Transform( uint32 *state, const unsigned char *buffer )
+{
+    uint32 a, b, c, d, e;
+
+#ifdef SHA1HANDSOFF
+    uint32 block[16];
+    (void)AC_MEMCPY(block, buffer, 64);
+#else
+    uint32 *block = (u_int32 *) buffer;
+#endif
+
+    /* Copy context->state[] to working vars */
+    a = state[0];
+    b = state[1];
+    c = state[2];
+    d = state[3];
+    e = state[4];
+
+    /* 4 rounds of 20 operations each. Loop unrolled. */
+    R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+    R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+    R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+    R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+    R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+    R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+    R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+    R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+    R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+    R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+    R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+    R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+    R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+    R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+    R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+    R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+    R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+    R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+    R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+    R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+
+    /* Add the working vars back into context.state[] */
+    state[0] += a;
+    state[1] += b;
+    state[2] += c;
+    state[3] += d;
+    state[4] += e;
+
+    /* Wipe variables */
+    a = b = c = d = e = 0;
+}
+
+
+/*
+ * lutil_SHA1Init - Initialize new context
+ */
+void
+lutil_SHA1Init( lutil_SHA1_CTX *context )
+{
+
+    /* SHA1 initialization constants */
+    context->state[0] = 0x67452301;
+    context->state[1] = 0xEFCDAB89;
+    context->state[2] = 0x98BADCFE;
+    context->state[3] = 0x10325476;
+    context->state[4] = 0xC3D2E1F0;
+    context->count[0] = context->count[1] = 0;
+}
+
+
+/*
+ * Run your data through this.
+ */
+void
+lutil_SHA1Update(
+    lutil_SHA1_CTX	*context,
+    const unsigned char	*data,
+    uint32		len
+)
+{
+    u_int i, j;
+
+    j = context->count[0];
+    if ((context->count[0] += len << 3) < j)
+	context->count[1] += (len>>29)+1;
+    j = (j >> 3) & 63;
+    if ((j + len) > 63) {
+	(void)AC_MEMCPY(&context->buffer[j], data, (i = 64-j));
+	lutil_SHA1Transform(context->state, context->buffer);
+	for ( ; i + 63 < len; i += 64)
+	    lutil_SHA1Transform(context->state, &data[i]);
+	j = 0;
+    } else {
+	i = 0;
+    }
+    (void)AC_MEMCPY(&context->buffer[j], &data[i], len - i);
+}
+
+
+/*
+ * Add padding and return the message digest.
+ */
+void
+lutil_SHA1Final( unsigned char *digest, lutil_SHA1_CTX *context )
+{
+    u_int i;
+    unsigned char finalcount[8];
+
+    for (i = 0; i < 8; i++) {
+	finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
+	 >> ((3-(i & 3)) * 8) ) & 255);	 /* Endian independent */
+    }
+    lutil_SHA1Update(context, (unsigned char *)"\200", 1);
+    while ((context->count[0] & 504) != 448)
+	lutil_SHA1Update(context, (unsigned char *)"\0", 1);
+    lutil_SHA1Update(context, finalcount, 8);  /* Should cause a SHA1Transform() */
+
+    if (digest) {
+	for (i = 0; i < 20; i++)
+	    digest[i] = (unsigned char)
+		((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
+    }
+}
+
+
+/* sha1hl.c
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@login.dkuug.dk> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$OpenBSD: sha1hl.c,v 1.1 1997/07/12 20:06:03 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <ac/stdlib.h>
+
+#include <ac/errno.h>
+#include <ac/unistd.h>
+
+#ifdef HAVE_SYS_FILE_H
+#include <sys/file.h>
+#endif
+
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+
+/* ARGSUSED */
+char *
+lutil_SHA1End( lutil_SHA1_CTX *ctx, char *buf )
+{
+    int i;
+    char *p = buf;
+    unsigned char digest[20];
+    static const char hex[]="0123456789abcdef";
+
+    if (p == NULL && (p = malloc(41)) == NULL)
+	return 0;
+
+    lutil_SHA1Final(digest,ctx);
+    for (i = 0; i < 20; i++) {
+	p[i + i] = hex[digest[i] >> 4];
+	p[i + i + 1] = hex[digest[i] & 0x0f];
+    }
+    p[i + i] = '\0';
+    return(p);
+}
+
+char *
+lutil_SHA1File( char *filename, char *buf )
+{
+    unsigned char buffer[BUFSIZ];
+    lutil_SHA1_CTX ctx;
+    int fd, num, oerrno;
+
+    lutil_SHA1Init(&ctx);
+
+    if ((fd = open(filename,O_RDONLY)) < 0)
+	return(0);
+
+    while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+	lutil_SHA1Update(&ctx, buffer, num);
+
+    oerrno = errno;
+    close(fd);
+    errno = oerrno;
+    return(num < 0 ? 0 : lutil_SHA1End(&ctx, buf));
+}
+
+char *
+lutil_SHA1Data( const unsigned char *data, size_t len, char *buf )
+{
+    lutil_SHA1_CTX ctx;
+
+    lutil_SHA1Init(&ctx);
+    lutil_SHA1Update(&ctx, data, len);
+    return(lutil_SHA1End(&ctx, buf));
+}
+
+#endif