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-rw-r--r--source3/lib/passcheck.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/source3/lib/passcheck.c b/source3/lib/passcheck.c
deleted file mode 100644
index bec6455059..0000000000
--- a/source3/lib/passcheck.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- Unix SMB/Netbios implementation.
- Version 1.9.
- Password and authentication handling
- Copyright (C) Andrew Tridgell 1992-1998
-
- 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 "includes.h"
-
-extern int DEBUGLEVEL;
-extern int Protocol;
-
-extern pstring scope;
-extern pstring global_myname;
-extern fstring global_myworkgroup;
-
-
-
-/****************************************************************************
-core of smb password checking routine.
-****************************************************************************/
-static BOOL smb_pwd_check_ntlmv1(char *password, unsigned char *part_passwd,
- unsigned char *c8,
- uchar user_sess_key[16])
-{
- /* Finish the encryption of part_passwd. */
- unsigned char p24[24];
-
- if (part_passwd == NULL)
- DEBUG(10,("No password set - allowing access\n"));
- /* No password set - always true ! */
- if (part_passwd == NULL)
- return True;
-
- SMBOWFencrypt(part_passwd, c8, p24);
- if (user_sess_key != NULL)
- {
- SMBsesskeygen_ntv1(part_passwd, NULL, user_sess_key);
- }
-
-#if DEBUG_PASSWORD
- DEBUG(100,("Part password (P16) was |"));
- dump_data(100, part_passwd, 16);
- DEBUG(100,("Password from client was |"));
- dump_data(100, password, 24);
- DEBUG(100,("Given challenge was |"));
- dump_data(100, c8, 8);
- DEBUG(100,("Value from encryption was |"));
- dump_data(100, p24, 24);
-#endif
- return (memcmp(p24, password, 24) == 0);
-}
-
-/****************************************************************************
-core of smb password checking routine.
-****************************************************************************/
-static BOOL smb_pwd_check_ntlmv2(char *password, size_t pwd_len,
- unsigned char *part_passwd,
- unsigned char const *c8,
- const char *user, const char *domain,
- char *user_sess_key)
-{
- /* Finish the encryption of part_passwd. */
- unsigned char kr[16];
- unsigned char resp[16];
-
- if (part_passwd == NULL)
- {
- DEBUG(10,("No password set - allowing access\n"));
- }
- /* No password set - always true ! */
- if (part_passwd == NULL)
- {
- return True;
- }
-
- ntv2_owf_gen(part_passwd, user, domain, kr);
- SMBOWFencrypt_ntv2(kr, c8, 8, password+16, pwd_len-16, resp);
- if (user_sess_key != NULL)
- {
- SMBsesskeygen_ntv2(kr, resp, user_sess_key);
- }
-
-#if DEBUG_PASSWORD
- DEBUG(100,("Part password (P16) was |"));
- dump_data(100, part_passwd, 16);
- DEBUG(100,("Password from client was |"));
- dump_data(100, password, pwd_len);
- DEBUG(100,("Given challenge was |"));
- dump_data(100, c8, 8);
- DEBUG(100,("Value from encryption was |"));
- dump_data(100, resp, 16);
-#endif
-
- return (memcmp(resp, password, 16) == 0);
-}
-
-/****************************************************************************
- Do a specific test for an smb password being correct, given a smb_password and
- the lanman and NT responses.
-****************************************************************************/
-BOOL smb_password_ok(struct smb_passwd *smb_pass, uchar challenge[8],
- const char *user, const char *domain,
- uchar *lm_pass, size_t lm_pwd_len,
- uchar *nt_pass, size_t nt_pwd_len,
- uchar user_sess_key[16])
-{
- if (smb_pass == NULL)
- {
- return False;
- }
-
- DEBUG(4,("Checking SMB password for user %s\n",
- smb_pass->unix_name));
-
- if (smb_pass->acct_ctrl & ACB_DISABLED)
- {
- DEBUG(3,("account for user %s was disabled.\n",
- smb_pass->unix_name));
- return False;
- }
-
- if (challenge == NULL)
- {
- DEBUG(1,("no challenge available - password failed\n"));
- return False;
- }
-
- if ((Protocol >= PROTOCOL_NT1) && (smb_pass->smb_nt_passwd != NULL))
- {
- /* We have the NT MD4 hash challenge available - see if we can
- use it (ie. does it exist in the smbpasswd file).
- */
- if (lp_server_ntlmv2() != False && nt_pwd_len > 24)
- {
- DEBUG(4,("smb_password_ok: Check NTLMv2 password\n"));
- if (smb_pwd_check_ntlmv2(nt_pass, nt_pwd_len,
- (uchar *)smb_pass->smb_nt_passwd,
- challenge, user, domain,
- user_sess_key))
- {
- return True;
- }
- }
- if (lp_server_ntlmv2() != True && nt_pwd_len == 24)
- {
- DEBUG(4,("smb_password_ok: Check NT MD4 password\n"));
- if (smb_pwd_check_ntlmv1((char *)nt_pass,
- (uchar *)smb_pass->smb_nt_passwd,
- challenge,
- user_sess_key))
- {
- DEBUG(4,("NT MD4 password check succeeded\n"));
- return True;
- }
- }
- DEBUG(4,("NT MD4 password check failed\n"));
- }
-
- if (lp_server_ntlmv2() == True)
- {
- DEBUG(4,("Not checking LM MD4 password\n"));
- return False;
- }
-
- /* Try against the lanman password. smb_pass->smb_passwd == NULL means
- no password, allow access. */
-
- DEBUG(4,("Checking LM MD4 password\n"));
-
- if ((smb_pass->smb_passwd == NULL) &&
- (smb_pass->acct_ctrl & ACB_PWNOTREQ))
- {
- DEBUG(4,("no password required for user %s\n",
- smb_pass->unix_name));
- return True;
- }
-
- if ((smb_pass->smb_passwd != NULL) &&
- smb_pwd_check_ntlmv1((char *)lm_pass,
- (uchar *)smb_pass->smb_passwd,
- challenge, NULL))
- {
- DEBUG(4,("LM MD4 password check succeeded\n"));
- return(True);
- }
-
- DEBUG(4,("LM MD4 password check failed\n"));
-
- return False;
-}
-
-
-/****************************************************************************
-check if a username/password is OK assuming the password is a 24 byte
-SMB hash
-return True if the password is correct, False otherwise
-****************************************************************************/
-BOOL pass_check_smb(struct smb_passwd *smb_pass, char *domain, uchar *chal,
- uchar *lm_pwd, size_t lm_pwd_len,
- uchar *nt_pwd, size_t nt_pwd_len,
- struct passwd *pwd, uchar user_sess_key[16])
-{
- const struct passwd *pass;
- struct passwd pw;
- char *user = NULL;
-
- if (smb_pass == NULL)
- {
- DEBUG(3,("Couldn't find user %s in smb_passwd file.\n", user));
- return False;
- }
-
- user = smb_pass->unix_name;
-
- if (lm_pwd == NULL || nt_pwd == NULL)
- {
- return False;
- }
-
- if (pwd != NULL && user == NULL)
- {
- pass = (struct passwd *) pwd;
- user = pass->pw_name;
- }
- else
- {
- pass = Get_Pwnam(user,True);
- if (pass == NULL)
- {
- DEBUG(3,("Couldn't find user %s\n",user));
- return False;
- }
- memcpy(&pw, pass, sizeof(struct passwd));
- pass = &pw;
- }
-
- /* Quit if the account was disabled. */
- if (smb_pass->acct_ctrl & ACB_DISABLED) {
- DEBUG(3,("account for user %s was disabled.\n", user));
- return False;
- }
-
- /* Ensure the uid's match */
- if (smb_pass->unix_uid != pass->pw_uid)
- {
- DEBUG(3,("Error : UNIX (%d) and SMB (%d) uids in password files do not match !\n", pass->pw_uid, smb_pass->unix_uid));
- return False;
- }
-
- if (lm_pwd[0] == '\0' && IS_BITS_SET_ALL(smb_pass->acct_ctrl, ACB_PWNOTREQ) && lp_null_passwords())
- {
- DEBUG(3,("account for user %s has no password and null passwords are allowed.\n", smb_pass->unix_name));
- return(True);
- }
-
- if (smb_password_ok(smb_pass, chal, user, domain,
- lm_pwd, lm_pwd_len,
- nt_pwd, nt_pwd_len,
- user_sess_key))
- {
- if (user_sess_key != NULL)
- {
-#ifdef DEBUG_PASSWORD
- DEBUG(100,("user session key: "));
- dump_data(100, user_sess_key, 16);
-#endif
- }
- return(True);
- }
-
- DEBUG(3,("Error pass_check_smb failed\n"));
- return False;
-}
-
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