diff options
Diffstat (limited to 'source/libsmb/pwd_cache.c')
| -rw-r--r-- | source/libsmb/pwd_cache.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/source/libsmb/pwd_cache.c b/source/libsmb/pwd_cache.c new file mode 100644 index 00000000000..bbd5f63d4b7 --- /dev/null +++ b/source/libsmb/pwd_cache.c @@ -0,0 +1,247 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + Password cacheing. obfuscation is planned + Copyright (C) Luke Kenneth Casson Leighton 1996-1998 + + 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; + + +/**************************************************************************** +initialises a password structure +****************************************************************************/ +void pwd_init(struct pwd_info *pwd) +{ + bzero(pwd->password , sizeof(pwd->password )); + bzero(pwd->smb_lm_pwd, sizeof(pwd->smb_lm_pwd)); + bzero(pwd->smb_nt_pwd, sizeof(pwd->smb_nt_pwd)); + bzero(pwd->smb_lm_owf, sizeof(pwd->smb_lm_owf)); + bzero(pwd->smb_nt_owf, sizeof(pwd->smb_nt_owf)); + + pwd->null_pwd = True; /* safest option... */ + pwd->cleartext = False; + pwd->crypted = False; +} + +/**************************************************************************** +de-obfuscates a password +****************************************************************************/ +static void pwd_deobfuscate(struct pwd_info *pwd) +{ +} + +/**************************************************************************** +obfuscates a password +****************************************************************************/ +static void pwd_obfuscate(struct pwd_info *pwd) +{ +} + +/**************************************************************************** +sets the obfuscation key info +****************************************************************************/ +void pwd_obfuscate_key(struct pwd_info *pwd, uint32 int_key, char *str_key) +{ +} + +/**************************************************************************** +reads a password +****************************************************************************/ +void pwd_read(struct pwd_info *pwd, char *passwd_report, BOOL do_encrypt) +{ + /* grab a password */ + char *user_pass; + + pwd_init(pwd); + + user_pass = (char*)getpass(passwd_report); + + if (user_pass == NULL || user_pass[0] == 0) + { + pwd_set_nullpwd(pwd); + } + else if (do_encrypt) + { + pwd_make_lm_nt_16(pwd, user_pass); + } + else + { + pwd_set_cleartext(pwd, user_pass); + } +} + +/**************************************************************************** + stores a cleartext password + ****************************************************************************/ +void pwd_set_nullpwd(struct pwd_info *pwd) +{ + pwd_init(pwd); + + pwd->cleartext = False; + pwd->null_pwd = True; + pwd->crypted = False; +} + +/**************************************************************************** + stores a cleartext password + ****************************************************************************/ +void pwd_set_cleartext(struct pwd_info *pwd, char *clr) +{ + pwd_init(pwd); + fstrcpy(pwd->password, clr); + pwd->cleartext = True; + pwd->null_pwd = False; + pwd->crypted = False; + + pwd_obfuscate(pwd); +} + +/**************************************************************************** + gets a cleartext password + ****************************************************************************/ +void pwd_get_cleartext(struct pwd_info *pwd, char *clr) +{ + pwd_deobfuscate(pwd); + if (pwd->cleartext) + { + fstrcpy(clr, pwd->password); + } + else + { + clr[0] = 0; + } + pwd_obfuscate(pwd); +} + +/**************************************************************************** + stores lm and nt hashed passwords + ****************************************************************************/ +void pwd_set_lm_nt_16(struct pwd_info *pwd, uchar lm_pwd[16], uchar nt_pwd[16]) +{ + pwd_init(pwd); + + if (lm_pwd) + { + memcpy(pwd->smb_lm_pwd, lm_pwd, 16); + } + else + { + bzero(pwd->smb_lm_pwd, 16); + } + + if (nt_pwd) + { + memcpy(pwd->smb_nt_pwd, nt_pwd, 16); + } + else + { + bzero(pwd->smb_nt_pwd, 16); + } + + pwd->null_pwd = False; + pwd->cleartext = False; + pwd->crypted = False; + + pwd_obfuscate(pwd); +} + +/**************************************************************************** + gets lm and nt hashed passwords + ****************************************************************************/ +void pwd_get_lm_nt_16(struct pwd_info *pwd, uchar lm_pwd[16], uchar nt_pwd[16]) +{ + pwd_deobfuscate(pwd); + if (lm_pwd != NULL) + { + memcpy(lm_pwd, pwd->smb_lm_pwd, 16); + } + if (nt_pwd != NULL) + { + memcpy(nt_pwd, pwd->smb_nt_pwd, 16); + } + pwd_obfuscate(pwd); +} + +/**************************************************************************** + makes lm and nt hashed passwords + ****************************************************************************/ +void pwd_make_lm_nt_16(struct pwd_info *pwd, char *clr) +{ + pwd_init(pwd); + + nt_lm_owf_gen(clr, pwd->smb_nt_pwd, pwd->smb_lm_pwd); + pwd->null_pwd = False; + pwd->cleartext = False; + pwd->crypted = False; + + pwd_obfuscate(pwd); +} + +/**************************************************************************** + makes lm and nt OWF crypts + ****************************************************************************/ +void pwd_make_lm_nt_owf(struct pwd_info *pwd, uchar cryptkey[8]) +{ + pwd_deobfuscate(pwd); + +#ifdef DEBUG_PASSWORD + DEBUG(100,("client cryptkey: ")); + dump_data(100, cryptkey, 8); +#endif + + SMBOWFencrypt(pwd->smb_nt_pwd, cryptkey, pwd->smb_nt_owf); + +#ifdef DEBUG_PASSWORD + DEBUG(100,("nt_owf_passwd: ")); + dump_data(100, pwd->smb_nt_owf, sizeof(pwd->smb_nt_owf)); + DEBUG(100,("nt_sess_pwd: ")); + dump_data(100, pwd->smb_nt_pwd, sizeof(pwd->smb_nt_pwd)); +#endif + + SMBOWFencrypt(pwd->smb_lm_pwd, cryptkey, pwd->smb_lm_owf); + +#ifdef DEBUG_PASSWORD + DEBUG(100,("lm_owf_passwd: ")); + dump_data(100, pwd->smb_lm_owf, sizeof(pwd->smb_lm_owf)); + DEBUG(100,("lm_sess_pwd: ")); + dump_data(100, pwd->smb_lm_pwd, sizeof(pwd->smb_lm_pwd)); +#endif + + pwd->crypted = True; + + pwd_obfuscate(pwd); +} + +/**************************************************************************** + gets lm and nt crypts + ****************************************************************************/ +void pwd_get_lm_nt_owf(struct pwd_info *pwd, uchar lm_owf[24], uchar nt_owf[24]) +{ + pwd_deobfuscate(pwd); + if (lm_owf != NULL) + { + memcpy(lm_owf, pwd->smb_lm_owf, 24); + } + if (nt_owf != NULL) + { + memcpy(nt_owf, pwd->smb_nt_owf, 24); + } + pwd_obfuscate(pwd); +} |