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Diffstat (limited to 'private/utils/ntbackup/src/passdb.c')
| -rw-r--r-- | private/utils/ntbackup/src/passdb.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/private/utils/ntbackup/src/passdb.c b/private/utils/ntbackup/src/passdb.c new file mode 100644 index 000000000..a1e3443b3 --- /dev/null +++ b/private/utils/ntbackup/src/passdb.c @@ -0,0 +1,383 @@ +/***************************************************************************** +Copyright(c) Maynard Electronics, Inc. 1984-89 + + + Name: passdb.c + + Description: The Password Database Interface offers the following + functionality: PD_Open, PD_Close, + PD_Read, and PD_Write. + + $Log: G:/UI/LOGFILES/PASSDB.C_V $ + + Rev 1.13 28 Jul 1993 14:41:04 DARRYLP + + Rev 1.12 26 Jul 1993 18:25:30 MARINA +enable c++ + + Rev 1.11 01 Nov 1992 16:04:24 DAVEV +Unicode changes + + Rev 1.10 07 Oct 1992 14:54:20 DARRYLP +Precompiled header revisions. + + Rev 1.9 04 Oct 1992 19:39:38 DAVEV +Unicode Awk pass + + Rev 1.8 30 Sep 1992 10:45:48 DAVEV +Unicode strlen verification, MikeP's chgs from MS + + Rev 1.7 28 Jul 1992 14:43:16 CHUCKB +Fixed warnings for NT. + + Rev 1.6 27 Jul 1992 11:10:30 JOHNWT +ChuckB checked in for John Wright, who is no longer with us. + + Rev 1.5 14 May 1992 17:24:10 MIKEP +nt pass 2 + + Rev 1.4 18 Mar 1992 16:57:36 JOHNWT +*** TOTALLY NEW CODE *** + + Rev 1.3 21 Jan 1992 13:50:48 JOHNWT +remove partially created/init file + + Rev 1.2 20 Dec 1991 09:33:34 DAVEV +16/32 bit port - 2nd pass + + Rev 1.1 04 Dec 1991 15:21:14 MIKEP +remoce pwxface.h + + Rev 1.0 20 Nov 1991 19:20:14 SYSTEM +Initial revision. + +*****************************************************************************/ + + +#include "all.h" + +#ifdef SOME +#include "some.h" +#endif + +static UINT16 PD_WriteThePassword( DB_HAND_PTR pd_hnd, CHAR_PTR key, CHAR_PTR pswd ) ; +static UINT16 PD_GetTheRecordNumber( DB_HAND_PTR pd_hnd, CHAR_PTR key ) ; + +/***************************************************************************** + + Name: PD_Open + + Description: PD_Open provides the caller with a database file_ptr for the + given file. If the file does not exist, it will be created. + + Modified: 9/18/1989 3/12/1992 + + Returns: The database file_ptr is NULL if an error occurs opening the file. + The following errors are returned: + PD_RECORD_LENGTH_INVALID, PD_MEMORY_ERROR, PD_FILE_FAILED_INIT, PD_READ_ERROR, + PD_REBUILD_ERROR, and PD_NO_ERROR. + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +UINT16 PD_Open( + DB_HAND_PTR pd_hnd , /* O - file pointer to the PWDatabase */ + CHAR_PTR pwd_name ) /* I - Name of PWDatabase file to open */ +{ + + /* clear the file pointer */ + pd_hnd->fhand = NULL ; + + /* open the specified "existing" database file */ + if( ( pd_hnd->fhand = UNI_fopen( pwd_name, 0) ) == NULL ) { + + return (UINT16) PD_FILE_OPEN_ERROR ; + } + + return PD_NO_ERROR ; +} + +/***************************************************************************** + + Name: PD_Close + + Description: PD_Close attempts to close the file and free the memory associated with + the handle. + + Modified: 9/18/1989 + + Returns: The following error values are returned PD_NULL_HANDLE, PD_NO_ERROR, and + PD_CLOSE_ERROR. + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +UINT16 PD_Close( + DB_HAND_PTR pd_hnd ) /* I - Close and free memory */ +{ + + /* validate pwd file pointer */ + if( pd_hnd->fhand == NULL ) { + return (UINT16) PD_NULL_HANDLE ; + } + + /* close the password database file */ + if( !fclose( pd_hnd->fhand ) ) { + + pd_hnd->fhand = NULL ; + return PD_NO_ERROR ; + + } else { + return (UINT16) PD_CLOSE_ERROR ; + } +} + +/***************************************************************************** + + Name: PD_Write + + Description: PD_Write places the given key and password into the password + database. If the password already exist, it is over written. + + Modified: 9/18/1989 + + Returns: The following error values are returned: PD_NO_ERROR, PD_WRITE_ERROR, + PD_READ_ERROR, PD_FULL. + + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +UINT16 PD_Write( + DB_HAND_PTR pd_hnd , /* I - PWDatabase file pointer */ + CHAR_PTR key , /* I - Key -- Server/User/Alias name */ + CHAR_PTR pswd ) /* I - Password */ +{ + UINT16 error ; + + /* validate pwd file pointer */ + if( pd_hnd->fhand == NULL ) { + return (UINT16) PD_NULL_HANDLE ; + } + + PD_GetTheRecordNumber( pd_hnd, key ) ; + + /* add a new record */ + error = PD_WriteThePassword( pd_hnd, key, pswd ) ; + + return error ; +} + +/***************************************************************************** + + Name: WritePasswordFile + + Description: Checks the length of the key and password before writing it to the Password + Database. + + Modified: 9/18/1989 + + Returns: PD_NO_ERROR and PD_EXCEEDED_RECORD_LENGTH + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +static UINT16 PD_WriteThePassword( + DB_HAND_PTR pd_hnd , /* I - Required DB handle */ + CHAR_PTR key , /* I - Server/User name */ + CHAR_PTR pswd ) /* I - Password */ +{ + + UINT8 password_size ; /* size of password */ + + + /* Seek to record number */ + + fseek( pd_hnd->fhand, + ((INT32)(MAX_PSWD_RECORD_SIZE * sizeof (CHAR))) * pd_hnd->record_number, + SEEK_SET ) ; + + + /* Initialize the pad amount */ + memset( pd_hnd->buffer, TEXT('Û'), MAX_PSWD_RECORD_SIZE * sizeof (CHAR) ) ; + + /* get the password size */ + password_size = (UINT8)( strsize( pswd ) - sizeof (CHAR) ) ; + + + /* 1 the byte for storing the password size */ + + if( (INT16)( strsize( key ) + password_size + 1 ) <= MAX_PSWD_RECORD_SIZE ) { + + /* fill the buffer */ + memcpy( pd_hnd->buffer, key, strsize ( key ) ) ; + + pd_hnd->buffer[strlen( key )] = TEXT('\0') ; + + /* encrypt the password */ + CryptPassword( (INT16) ENCRYPT, ENC_ALGOR_3, (INT8_PTR)pswd, (INT16) password_size ) ; + + memcpy( &(pd_hnd->buffer)[ ( strlen( key ) + 1 ) ], + &password_size, 1 ) ; + + memcpy( &(pd_hnd->buffer)[ ( strlen( pd_hnd->buffer ) + 2 ) ], + pswd, password_size ) ; + + + /* write the buffer to file */ + fwrite( pd_hnd->buffer, MAX_PSWD_RECORD_SIZE*sizeof(CHAR), 1, pd_hnd->fhand ) ; + if( ferror( pd_hnd->fhand ) ) { + return (UINT16) PD_WRITE_ERROR ; + } + + return PD_NO_ERROR ; + + } + + return (UINT16) PD_EXCEEDED_RECORD_LENGTH ; + +} + +/***************************************************************************** + + Name: PD_Read + + Description: PD_Read matches the given key to the key and password in + the database. The password is copied to the pswd parameter. + + + Modified: 9/18/1989 + + Returns: The following error values : PD_NULL_HANDLE, PD_MEMORY_ERROR, + PD_READ_ERROR, PD_NOT_FOUND, and PD_NO_ERROR. + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +INT16 PD_Read( + DB_HAND_PTR pd_hnd , /* I - PWDatabase file pointer */ + CHAR_PTR key , /* I - key -- Server/User/Alias name */ + CHAR_PTR pswd ) /* O - password */ +{ + + CHAR tmp_pwd[MAX_PSWD_SIZE] ; /* current password */ + UINT16 error ; /* return value */ + UINT8 pswd_size ; /* size of the password */ + + /* validate file pointer */ + if( pd_hnd->fhand == NULL ) { + return PD_NULL_HANDLE ; + } + + error = PD_GetTheRecordNumber( pd_hnd, key ) ; + + if( error == PD_NO_ERROR ) { + + /* Retrieve the password */ + memcpy( &pswd_size, &(pd_hnd->buffer)[ ( strlen( pd_hnd->buffer ) + 1 ) ], 1 ) ; + + memcpy( tmp_pwd, &(pd_hnd->buffer)[ ( strlen( pd_hnd->buffer ) + 2 ) ], pswd_size ) ; + + CryptPassword( (INT16) DECRYPT, ENC_ALGOR_3, (INT8_PTR)tmp_pwd, (INT16) pswd_size ) ; + + memcpy( pswd, tmp_pwd, pswd_size ) ; + + pswd[ pswd_size/sizeof(CHAR) ] = TEXT('\0') ; + + } + return error ; +} + +/***************************************************************************** + + Name: PD_GetTheRecordNumber + + Description: Performs a linear search of the password database file and + attempts to match the key. + + + Modified: 3/11/1992 + + Returns: The following error values : + PD_NOT_FOUND, and PD_NO_ERROR. + + Notes: + + See also: $/SEE( )$ + + Declaration: + +*****************************************************************************/ + +UINT16 PD_GetTheRecordNumber( + DB_HAND_PTR pd_hnd, /* I - PWDatabase file pointer */ + CHAR_PTR key ) /* I - key -- Server/User/Alias name */ +{ + + UINT16 cmp_error ; /* compare error variable */ + + + /* ensure that the ptr is at the beginning of file */ + fseek( pd_hnd->fhand , 0L, SEEK_SET ) ; + + /* Set the record number */ + pd_hnd->record_number = 0 ; + + /* match key name */ + while( !feof( pd_hnd->fhand ) ) { + + /* fill buffer */ + fread( pd_hnd->buffer, MAX_PSWD_RECORD_SIZE*sizeof(CHAR), 1, pd_hnd->fhand ) ; + if( ferror( pd_hnd->fhand ) ){ + + clearerr( pd_hnd->fhand ) ; + return (UINT16) PD_READ_ERROR ; + } + + /* match the key name */ + cmp_error = strcmpi( pd_hnd->buffer, key ) ; + if( ( cmp_error == 0 ) ) { + + return PD_NO_ERROR ; + } + + /* if eof, return */ + if ( feof( pd_hnd->fhand ) ) { + + return (UINT16) PD_NOT_FOUND; + + } + + /* Increment the record number */ + pd_hnd->record_number++ ; + + } + + return (UINT16) PD_NOT_FOUND ; + +} |