Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 285 insertions, 0 deletions

diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
new file mode 100644
index 000000000000..6103bcdfb16d
--- /dev/null
+++ b/fs/cifs/smbencrypt.c
@@ -0,0 +1,285 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   SMB parameters and setup
+   Copyright (C) Andrew Tridgell 1992-2000
+   Copyright (C) Luke Kenneth Casson Leighton 1996-2000
+   Modified by Jeremy Allison 1995.
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2002-2003
+   Modified by Steve French (sfrench@us.ibm.com) 2002-2003
+   
+   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.
+*/
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/random.h>
+#include "cifs_unicode.h"
+#include "cifspdu.h"
+#include "md5.h"
+#include "cifs_debug.h"
+#include "cifsencrypt.h"
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+/* following came from the other byteorder.h to avoid include conflicts */
+#define CVAL(buf,pos) (((unsigned char *)(buf))[pos])
+#define SSVALX(buf,pos,val) (CVAL(buf,pos)=(val)&0xFF,CVAL(buf,pos+1)=(val)>>8)
+#define SSVAL(buf,pos,val) SSVALX((buf),(pos),((__u16)(val)))
+
+/*The following definitions come from  libsmb/smbencrypt.c  */
+
+void SMBencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24);
+void E_md4hash(const unsigned char *passwd, unsigned char *p16);
+void nt_lm_owf_gen(char *pwd, unsigned char nt_p16[16], unsigned char p16[16]);
+static void SMBOWFencrypt(unsigned char passwd[16], unsigned char *c8,
+		   unsigned char p24[24]);
+void NTLMSSPOWFencrypt(unsigned char passwd[8],
+		       unsigned char *ntlmchalresp, unsigned char p24[24]);
+void SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24);
+
+/*
+   This implements the X/Open SMB password encryption
+   It takes a password, a 8 byte "crypt key" and puts 24 bytes of 
+   encrypted password into p24 */
+/* Note that password must be uppercased and null terminated */
+void
+SMBencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
+{
+	unsigned char p14[15], p21[21];
+
+	memset(p21, '\0', 21);
+	memset(p14, '\0', 14);
+	strncpy((char *) p14, (char *) passwd, 14);
+
+/*	strupper((char *)p14); *//* BB at least uppercase the easy range */
+	E_P16(p14, p21);
+
+	SMBOWFencrypt(p21, c8, p24);
+	
+	memset(p14,0,15);
+	memset(p21,0,21);
+}
+
+/* Routines for Windows NT MD4 Hash functions. */
+static int
+_my_wcslen(__u16 * str)
+{
+	int len = 0;
+	while (*str++ != 0)
+		len++;
+	return len;
+}
+
+/*
+ * Convert a string into an NT UNICODE string.
+ * Note that regardless of processor type 
+ * this must be in intel (little-endian)
+ * format.
+ */
+
+static int
+_my_mbstowcs(__u16 * dst, const unsigned char *src, int len)
+{				/* not a very good conversion routine - change/fix */
+	int i;
+	__u16 val;
+
+	for (i = 0; i < len; i++) {
+		val = *src;
+		SSVAL(dst, 0, val);
+		dst++;
+		src++;
+		if (val == 0)
+			break;
+	}
+	return i;
+}
+
+/* 
+ * Creates the MD4 Hash of the users password in NT UNICODE.
+ */
+
+void
+E_md4hash(const unsigned char *passwd, unsigned char *p16)
+{
+	int len;
+	__u16 wpwd[129];
+
+	/* Password cannot be longer than 128 characters */
+	if(passwd) {
+		len = strlen((char *) passwd);
+		if (len > 128) {
+			len = 128;
+		}
+		/* Password must be converted to NT unicode */
+		_my_mbstowcs(wpwd, passwd, len);
+	} else
+		len = 0;
+
+	wpwd[len] = 0;	/* Ensure string is null terminated */
+	/* Calculate length in bytes */
+	len = _my_wcslen(wpwd) * sizeof (__u16);
+
+	mdfour(p16, (unsigned char *) wpwd, len);
+	memset(wpwd,0,129 * 2);
+}
+
+/* Does both the NT and LM owfs of a user's password */
+void
+nt_lm_owf_gen(char *pwd, unsigned char nt_p16[16], unsigned char p16[16])
+{
+	char passwd[514];
+
+	memset(passwd, '\0', 514);
+	if (strlen(pwd) < 513)
+		strcpy(passwd, pwd);
+	else
+		memcpy(passwd, pwd, 512);
+	/* Calculate the MD4 hash (NT compatible) of the password */
+	memset(nt_p16, '\0', 16);
+	E_md4hash(passwd, nt_p16);
+
+	/* Mangle the passwords into Lanman format */
+	passwd[14] = '\0';
+/*	strupper(passwd); */
+
+	/* Calculate the SMB (lanman) hash functions of the password */
+
+	memset(p16, '\0', 16);
+	E_P16((unsigned char *) passwd, (unsigned char *) p16);
+
+	/* clear out local copy of user's password (just being paranoid). */
+	memset(passwd, '\0', sizeof (passwd));
+}
+
+/* Does the NTLMv2 owfs of a user's password */
+#if 0  /* function not needed yet - but will be soon */
+static void
+ntv2_owf_gen(const unsigned char owf[16], const char *user_n,
+		const char *domain_n, unsigned char kr_buf[16],
+		const struct nls_table *nls_codepage)
+{
+	wchar_t * user_u;
+	wchar_t * dom_u;
+	int user_l, domain_l;
+	struct HMACMD5Context ctx;
+
+	/* might as well do one alloc to hold both (user_u and dom_u) */
+	user_u = kmalloc(2048 * sizeof(wchar_t),GFP_KERNEL); 
+	if(user_u == NULL)
+		return;
+	dom_u = user_u + 1024;
+    
+	/* push_ucs2(NULL, user_u, user_n, (user_l+1)*2, STR_UNICODE|STR_NOALIGN|STR_TERMINATE|STR_UPPER);
+	   push_ucs2(NULL, dom_u, domain_n, (domain_l+1)*2, STR_UNICODE|STR_NOALIGN|STR_TERMINATE|STR_UPPER); */
+
+	/* BB user and domain may need to be uppercased */
+	user_l = cifs_strtoUCS(user_u, user_n, 511, nls_codepage);
+	domain_l = cifs_strtoUCS(dom_u, domain_n, 511, nls_codepage);
+
+	user_l++;		/* trailing null */
+	domain_l++;
+
+	hmac_md5_init_limK_to_64(owf, 16, &ctx);
+	hmac_md5_update((const unsigned char *) user_u, user_l * 2, &ctx);
+	hmac_md5_update((const unsigned char *) dom_u, domain_l * 2, &ctx);
+	hmac_md5_final(kr_buf, &ctx);
+
+	kfree(user_u);
+}
+#endif 
+
+/* Does the des encryption from the NT or LM MD4 hash. */
+static void
+SMBOWFencrypt(unsigned char passwd[16], unsigned char *c8,
+	      unsigned char p24[24])
+{
+	unsigned char p21[21];
+
+	memset(p21, '\0', 21);
+
+	memcpy(p21, passwd, 16);
+	E_P24(p21, c8, p24);
+}
+
+/* Does the des encryption from the FIRST 8 BYTES of the NT or LM MD4 hash. */
+void
+NTLMSSPOWFencrypt(unsigned char passwd[8],
+		  unsigned char *ntlmchalresp, unsigned char p24[24])
+{
+	unsigned char p21[21];
+
+	memset(p21, '\0', 21);
+	memcpy(p21, passwd, 8);
+	memset(p21 + 8, 0xbd, 8);
+
+	E_P24(p21, ntlmchalresp, p24);
+}
+
+/* Does the NT MD4 hash then des encryption. */
+
+void
+SMBNTencrypt(unsigned char *passwd, unsigned char *c8, unsigned char *p24)
+{
+	unsigned char p21[21];
+
+	memset(p21, '\0', 21);
+
+	E_md4hash(passwd, p21);
+	SMBOWFencrypt(p21, c8, p24);
+}
+
+
+/* Does the md5 encryption from the NT hash for NTLMv2. */
+/* These routines will be needed later */
+#if 0
+static void
+SMBOWFencrypt_ntv2(const unsigned char kr[16],
+                   const struct data_blob * srv_chal,
+                   const struct data_blob * cli_chal, unsigned char resp_buf[16])
+{
+        struct HMACMD5Context ctx;
+
+        hmac_md5_init_limK_to_64(kr, 16, &ctx);
+        hmac_md5_update(srv_chal->data, srv_chal->length, &ctx);
+        hmac_md5_update(cli_chal->data, cli_chal->length, &ctx);
+        hmac_md5_final(resp_buf, &ctx);
+}
+
+static void
+SMBsesskeygen_ntv2(const unsigned char kr[16],
+		   const unsigned char *nt_resp, __u8 sess_key[16])
+{
+	struct HMACMD5Context ctx;
+
+	hmac_md5_init_limK_to_64(kr, 16, &ctx);
+	hmac_md5_update(nt_resp, 16, &ctx);
+	hmac_md5_final((unsigned char *) sess_key, &ctx);
+}
+
+static void
+SMBsesskeygen_ntv1(const unsigned char kr[16],
+		   const unsigned char *nt_resp, __u8 sess_key[16])
+{
+	mdfour((unsigned char *) sess_key, (unsigned char *) kr, 16);
+}
+#endif