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slackbuilds_ponce/misc/chntpw/patches/chntpw-140201-port-to-gcrypt-debian.patch
Matteo Bernardini 11004b0d10 misc/chntpw: Updated for version 140201. 
Use libgcrypt instead of openssl, don't build static binaries

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
2021-04-17 23:15:55 -05:00

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diff -Naur chntpw-140201.orig/Makefile chntpw-140201/Makefile
--- chntpw-140201.orig/Makefile 2014-02-01 17:54:37.000000000 +0100
+++ chntpw-140201/Makefile 2021-04-04 19:25:52.517404000 +0200
@@ -1,32 +1,14 @@
#
# Makefile for the Offline NT Password Editor
#
-#
-# Change here to point to the needed OpenSSL libraries & .h files
-# See INSTALL for more info.
-#
-
-#SSLPATH=/usr/local/ssl
-OSSLPATH=/usr
-OSSLINC=$(OSSLPATH)/include
CC=gcc
+CFLAGS=-DUSELIBGCRYPT -g -I. $(shell libgcrypt-config --cflags) -Wall $(EXTRA_CFLAGS)
-# Force 32 bit
-CFLAGS= -DUSEOPENSSL -g -I. -I$(OSSLINC) -Wall -m32
-OSSLLIB=$(OSSLPATH)/lib
-
-# 64 bit if default for compiler setup
-#CFLAGS= -DUSEOPENSSL -g -I. -I$(OSSLINC) -Wall
-#OSSLLIB=$(OSSLPATH)/lib64
-
-
-# This is to link with whatever we have, SSL crypto lib we put in static
-#LIBS=-L$(OSSLLIB) $(OSSLLIB)/libcrypto.a
-LIBS=-L$(OSSLLIB)
+LIBS=$(shell libgcrypt-config --libs)
-all: chntpw chntpw.static cpnt reged reged.static samusrgrp samusrgrp.static sampasswd sampasswd.static
+all: chntpw cpnt reged samusrgrp sampasswd
chntpw: chntpw.o ntreg.o edlib.o libsam.o
$(CC) $(CFLAGS) -o chntpw chntpw.o ntreg.o edlib.o libsam.o $(LIBS)
diff -Naur chntpw-140201.orig/chntpw.c chntpw-140201/chntpw.c
--- chntpw-140201.orig/chntpw.c 2014-02-01 17:54:37.000000000 +0100
+++ chntpw-140201/chntpw.c 2021-04-04 19:24:37.185404000 +0200
@@ -16,6 +16,7 @@
* 2010-jun: Syskey not visible in menu, but is selectable (2)
* 2010-apr: Interactive menu adapts to show most relevant
* selections based on what is loaded
+ * 2008-may: port to libgcrypt to avoid GPL/OpenSSL incompatibility [Debian]
* 2008-mar: Minor other tweaks
* 2008-mar: Interactive reg ed moved out of this file, into edlib.c
* 2008-mar: 64 bit compatible patch by Mike Doty, via Alon Bar-Lev
@@ -79,8 +80,14 @@
*/
#ifdef DOCRYPTO
+#if defined(USEOPENSSL)
#include <openssl/des.h>
#include <openssl/md4.h>
+#elif defined(USELIBGCRYPT)
+ #include <gcrypt.h>
+#else
+ #error No DES encryption and MD4 hashing library found
+#endif
#endif
#define uchar u_char
@@ -155,7 +162,9 @@
for (i=0;i<8;i++) {
key[i] = (key[i]<<1);
}
+#if defined(USEOPENSSL)
DES_set_odd_parity((des_cblock *)key);
+#endif
}
/*
@@ -200,6 +209,7 @@
void E1(uchar *k, uchar *d, uchar *out)
{
+#if defined(USEOPENSSL)
des_key_schedule ks;
des_cblock deskey;
@@ -210,6 +220,15 @@
des_set_key((des_cblock *)deskey,ks);
#endif /* __FreeBsd__ */
des_ecb_encrypt((des_cblock *)d,(des_cblock *)out, ks, DES_ENCRYPT);
+#elif defined(USELIBGCRYPT)
+ gcry_cipher_hd_t ks;
+ uchar deskey[8];
+ str_to_key(k,deskey);
+ gcry_cipher_open(&ks, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+ gcry_cipher_setkey(ks, deskey, 8);
+ gcry_cipher_encrypt(ks, out, 8, d, 8);
+ gcry_cipher_close(ks);
+#endif
}
#endif /* DOCRYPTO */
@@ -343,9 +362,16 @@
int i;
char md4[32],lanman[32];
char newunipw[34], despw[20], newlanpw[16], newlandes[20];
+#ifdef USEOPENSSL
des_key_schedule ks1, ks2;
des_cblock deskey1, deskey2;
MD4_CTX context;
+#elif defined(USELIBGCRYPT)
+ gcry_cipher_hd_t ks1, ks2;
+ uchar deskey1[8], deskey2[8];
+ unsigned char *p;
+ gcry_md_hd_t context;
+#endif
unsigned char digest[16];
uchar x1[] = {0x4B,0x47,0x53,0x21,0x40,0x23,0x24,0x25};
#endif
@@ -460,6 +486,7 @@
}
#ifdef DOCRYPTO
+#if defined(USEOPENSSL)
/* Get the two decrpt keys. */
sid_to_key1(rid,(unsigned char *)deskey1);
des_set_key((des_cblock *)deskey1,ks1);
@@ -477,6 +504,25 @@
(des_cblock *)lanman, ks1, DES_DECRYPT);
des_ecb_encrypt((des_cblock *)(vp+lmpw_offs + 8),
(des_cblock *)&lanman[8], ks2, DES_DECRYPT);
+#elif defined(USELIBGCRYPT)
+ /* Start the keys */
+ gcry_cipher_open(&ks1, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+ gcry_cipher_open(&ks2, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0);
+
+ /* Get the two decrpt keys. */
+ sid_to_key1(rid,deskey1);
+ gcry_cipher_setkey(ks1, deskey1, 8);
+ sid_to_key2(rid,deskey2);
+ gcry_cipher_setkey(ks2, deskey2, 8);
+
+ /* Decrypt the NT md4 password hash as two 8 byte blocks. */
+ gcry_cipher_decrypt(ks1, md4, 8, vp+ntpw_offs, 8);
+ gcry_cipher_decrypt(ks2, &md4[8], 8, vp+ntpw_offs+8, 8);
+
+ /* Decrypt the lanman password hash as two 8 byte blocks. */
+ gcry_cipher_decrypt(ks1, lanman, 8, vp+lmpw_offs, 8);
+ gcry_cipher_decrypt(ks2, &lanman[8], 8, vp+lmpw_offs+8, 8);
+#endif
if (gverbose) {
hexprnt("MD4 hash : ",(unsigned char *)md4,16);
@@ -544,9 +590,17 @@
/* printf("Ucase Lanman: %s\n",newlanpw); */
+#if defined(USEOPENSSL)
MD4Init (&context);
MD4Update (&context, newunipw, pl<<1);
MD4Final (digest, &context);
+#elif defined(USELIBGCRYPT)
+ gcry_md_open(&context, GCRY_MD_MD4, 0);
+ gcry_md_write(context, newunipw, pl<<1);
+ p = gcry_md_read(context, GCRY_MD_MD4);
+ if(p) memcpy(digest, p, gcry_md_get_algo_dlen(GCRY_MD_MD4));
+ gcry_md_close(context);
+#endif
if (gverbose) hexprnt("\nNEW MD4 hash : ",digest,16);
@@ -555,6 +609,7 @@
if (gverbose) hexprnt("NEW LANMAN hash : ",(unsigned char *)lanman,16);
+#if defined(USEOPENSSL)
/* Encrypt the NT md4 password hash as two 8 byte blocks. */
des_ecb_encrypt((des_cblock *)digest,
(des_cblock *)despw, ks1, DES_ENCRYPT);
@@ -565,6 +620,18 @@
(des_cblock *)newlandes, ks1, DES_ENCRYPT);
des_ecb_encrypt((des_cblock *)(lanman+8),
(des_cblock *)&newlandes[8], ks2, DES_ENCRYPT);
+#elif defined(USELIBGCRYPT)
+ /* Encrypt the NT md4 password hash as two 8 byte blocks. */
+ gcry_cipher_encrypt(ks1, despw, 8, digest, 8);
+ gcry_cipher_encrypt(ks2, &despw[8], 8, digest+8, 8);
+
+ gcry_cipher_encrypt(ks1, newlandes, 8, lanman, 8);
+ gcry_cipher_encrypt(ks2, &newlandes[8], 8, lanman+8, 8);
+
+ /* Close keys, not needed after this */
+ gcry_cipher_close(ks1);
+ gcry_cipher_close(ks2);
+#endif
if (gverbose) {
hexprnt("NEW DES crypt : ",(unsigned char *)despw,16);
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