mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
108 lines
2.1 KiB
C
108 lines
2.1 KiB
C
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 1998-2007 The OpenLDAP Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted only as authorized by the OpenLDAP
|
|
* Public License.
|
|
*
|
|
* A copy of this license is available in the file LICENSE in the
|
|
* top-level directory of the distribution or, alternatively, at
|
|
* <http://www.OpenLDAP.org/license.html>.
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/stdlib.h>
|
|
#include <ac/ctype.h>
|
|
#include <ac/string.h>
|
|
|
|
#ifdef HAVE_FSTAT
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#endif /* HAVE_FSTAT */
|
|
|
|
#include <lber.h>
|
|
#include <lutil.h>
|
|
|
|
/* Get a password from a file. */
|
|
int
|
|
lutil_get_filed_password(
|
|
const char *filename,
|
|
struct berval *passwd )
|
|
{
|
|
size_t nread, nleft, nr;
|
|
FILE *f = fopen( filename, "r" );
|
|
|
|
if( f == NULL ) {
|
|
perror( filename );
|
|
return -1;
|
|
}
|
|
|
|
passwd->bv_val = NULL;
|
|
passwd->bv_len = 4096;
|
|
|
|
#ifdef HAVE_FSTAT
|
|
{
|
|
struct stat sb;
|
|
if ( fstat( fileno( f ), &sb ) == 0 ) {
|
|
if( sb.st_mode & 006 ) {
|
|
fprintf( stderr, _("Warning: Password file %s"
|
|
" is publicly readable/writeable\n"),
|
|
filename );
|
|
}
|
|
|
|
if ( sb.st_size )
|
|
passwd->bv_len = sb.st_size;
|
|
}
|
|
}
|
|
#endif /* HAVE_FSTAT */
|
|
|
|
passwd->bv_val = (char *) malloc( passwd->bv_len + 1 );
|
|
if( passwd->bv_val == NULL ) {
|
|
perror( filename );
|
|
return -1;
|
|
}
|
|
|
|
nread = 0;
|
|
nleft = passwd->bv_len;
|
|
do {
|
|
if( nleft == 0 ) {
|
|
/* double the buffer size */
|
|
char *p = (char *) realloc( passwd->bv_val,
|
|
2 * passwd->bv_len + 1 );
|
|
if( p == NULL ) {
|
|
free( passwd->bv_val );
|
|
passwd->bv_val = NULL;
|
|
passwd->bv_len = 0;
|
|
return -1;
|
|
}
|
|
nleft = passwd->bv_len;
|
|
passwd->bv_len *= 2;
|
|
passwd->bv_val = p;
|
|
}
|
|
|
|
nr = fread( &passwd->bv_val[nread], 1, nleft, f );
|
|
|
|
if( nr < nleft && ferror( f ) ) {
|
|
free( passwd->bv_val );
|
|
passwd->bv_val = NULL;
|
|
passwd->bv_len = 0;
|
|
return -1;
|
|
}
|
|
|
|
nread += nr;
|
|
nleft -= nr;
|
|
} while ( !feof(f) );
|
|
|
|
passwd->bv_len = nread;
|
|
passwd->bv_val[nread] = '\0';
|
|
|
|
fclose( f );
|
|
return 0;
|
|
}
|