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ITS#8753 Move base64 decoding to separate file
This commit is contained in:
Ondřej Kuzník
parent
3d5a7545b9
commit
91ebfc82ea
6 changed files with 129 additions and 70 deletions
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@ -28,7 +28,7 @@ SRCS = bind.c open.c result.c error.c compare.c search.c \
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charray.c os-local.c dnssrv.c utf-8.c utf-8-conv.c \
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tls2.c tls_o.c tls_g.c tls_m.c \
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turn.c ppolicy.c dds.c txn.c ldap_sync.c stctrl.c \
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assertion.c deref.c ldifutil.c ldif.c fetch.c
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assertion.c deref.c ldifutil.c ldif.c fetch.c lbase64.c
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OBJS = bind.lo open.lo result.lo error.lo compare.lo search.lo \
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controls.lo messages.lo references.lo extended.lo cyrus.lo \
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@ -41,7 +41,7 @@ OBJS = bind.lo open.lo result.lo error.lo compare.lo search.lo \
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charray.lo os-local.lo dnssrv.lo utf-8.lo utf-8-conv.lo \
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tls2.lo tls_o.lo tls_g.lo tls_m.lo \
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turn.lo ppolicy.lo dds.lo txn.lo ldap_sync.lo stctrl.lo \
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assertion.lo deref.lo ldifutil.lo ldif.lo fetch.lo
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assertion.lo deref.lo ldifutil.lo ldif.lo fetch.lo lbase64.lo
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LDAP_INCDIR= ../../include
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LDAP_LIBDIR= ../../libraries
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108
libraries/libldap/lbase64.c
Normal file
108
libraries/libldap/lbase64.c
Normal file
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@ -0,0 +1,108 @@
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/* lbase64.c - routines for dealing with base64 strings */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2017 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* Portions Copyright (c) 1992-1996 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission. This
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* software is provided ``as is'' without express or implied warranty.
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*/
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/* This work was originally developed by the University of Michigan
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* and distributed as part of U-MICH LDAP.
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*/
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#include "portable.h"
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#include "ldap-int.h"
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#define RIGHT2 0x03
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#define RIGHT4 0x0f
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static const unsigned char b642nib[0x80] = {
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0x3e, 0xff, 0xff, 0xff, 0x3f,
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0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
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0x3c, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
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0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
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0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
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0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
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0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
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0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
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0x31, 0x32, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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int
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ldap_int_decode_b64_inplace( struct berval *value )
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{
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char *p, *end, *byte;
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char nib;
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byte = value->bv_val;
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end = value->bv_val + value->bv_len;
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for ( p = value->bv_val, value->bv_len = 0;
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p < end;
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p += 4, value->bv_len += 3 )
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{
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int i;
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for ( i = 0; i < 4; i++ ) {
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if ( p[i] != '=' && (p[i] & 0x80 ||
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b642nib[ p[i] & 0x7f ] > 0x3f) ) {
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Debug( LDAP_DEBUG_ANY,
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_("ldap_pvt_decode_b64_inplace: invalid base64 encoding"
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" char (%c) 0x%x\n"), p[i], p[i], 0 );
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return( -1 );
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}
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}
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/* first digit */
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nib = b642nib[ p[0] & 0x7f ];
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byte[0] = nib << 2;
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/* second digit */
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nib = b642nib[ p[1] & 0x7f ];
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byte[0] |= nib >> 4;
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byte[1] = (nib & RIGHT4) << 4;
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/* third digit */
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if ( p[2] == '=' ) {
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value->bv_len += 1;
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break;
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}
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nib = b642nib[ p[2] & 0x7f ];
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byte[1] |= nib >> 2;
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byte[2] = (nib & RIGHT2) << 6;
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/* fourth digit */
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if ( p[3] == '=' ) {
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value->bv_len += 2;
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break;
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}
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nib = b642nib[ p[3] & 0x7f ];
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byte[2] |= nib;
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byte += 3;
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}
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value->bv_val[ value->bv_len ] = '\0';
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return LDAP_SUCCESS;
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}
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@ -548,6 +548,13 @@ LDAP_F (BerElement *) ldap_build_add_req LDAP_P((
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LDAPControl **cctrls,
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ber_int_t *msgidp ));
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/*
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* in lbase64.c
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*/
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LDAP_F (int) ldap_int_decode_b64_inplace LDAP_P((
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struct berval *value ));
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/*
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* in compare.c
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*/
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@ -40,12 +40,9 @@
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int ldif_debug = 0;
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#include "ldap_log.h"
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#include "lber_pvt.h"
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#include "ldap-int.h"
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#include "ldif.h"
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#define RIGHT2 0x03
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#define RIGHT4 0x0f
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#define CONTINUED_LINE_MARKER '\r'
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#ifdef CSRIMALLOC
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@ -58,25 +55,6 @@ int ldif_debug = 0;
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static const char nib2b64[0x40] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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static const unsigned char b642nib[0x80] = {
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0x3e, 0xff, 0xff, 0xff, 0x3f,
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0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
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0x3c, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
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0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
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0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
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0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
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0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
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0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
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0x31, 0x32, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff
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};
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/*
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* ldif_parse_line - takes a line of the form "type:[:] value" and splits it
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* into components "type" and "value". if a double colon separates type from
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@ -117,7 +95,6 @@ ldif_parse_line2(
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)
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{
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char *s, *p, *d;
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char nib;
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int b64, url;
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BER_BVZERO( type );
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@ -196,49 +173,15 @@ ldif_parse_line2(
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return( -1 );
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}
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byte = value->bv_val = s;
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for ( p = s, value->bv_len = 0; p < d; p += 4, value->bv_len += 3 ) {
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int i;
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for ( i = 0; i < 4; i++ ) {
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if ( p[i] != '=' && (p[i] & 0x80 ||
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b642nib[ p[i] & 0x7f ] > 0x3f) ) {
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ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
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_("ldif_parse_line: %s: invalid base64 encoding"
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" char (%c) 0x%x\n"),
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type->bv_val, p[i], p[i] );
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if ( !freeval ) ber_memfree( line );
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return( -1 );
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}
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}
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/* first digit */
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nib = b642nib[ p[0] & 0x7f ];
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byte[0] = nib << 2;
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/* second digit */
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nib = b642nib[ p[1] & 0x7f ];
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byte[0] |= nib >> 4;
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byte[1] = (nib & RIGHT4) << 4;
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/* third digit */
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if ( p[2] == '=' ) {
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value->bv_len += 1;
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break;
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}
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nib = b642nib[ p[2] & 0x7f ];
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byte[1] |= nib >> 2;
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byte[2] = (nib & RIGHT2) << 6;
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/* fourth digit */
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if ( p[3] == '=' ) {
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value->bv_len += 2;
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break;
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}
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nib = b642nib[ p[3] & 0x7f ];
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byte[2] |= nib;
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byte += 3;
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value->bv_val = s;
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value->bv_len = d - s;
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if ( ldap_int_decode_b64_inplace( value ) != LDAP_SUCCESS ) {
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ber_pvt_log_printf( LDAP_DEBUG_PARSE, ldif_debug,
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_("ldif_parse_line: %s base64 decode failed\n"),
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type->bv_val );
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if ( !freeval ) ber_memfree( line );
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return( -1 );
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}
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s[ value->bv_len ] = '\0';
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} else if ( url ) {
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if ( *s == '\0' ) {
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/* no value is present, error out */
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@ -30,7 +30,7 @@ XXSRCS = apitest.c test.c \
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charray.c os-local.c dnssrv.c utf-8.c utf-8-conv.c \
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tls2.c tls_o.c tls_g.c tls_m.c \
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turn.c ppolicy.c dds.c txn.c ldap_sync.c stctrl.c \
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assertion.c deref.c ldifutil.c ldif.c fetch.c
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assertion.c deref.c ldifutil.c ldif.c fetch.c lbase64.c
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SRCS = threads.c rdwr.c rmutex.c tpool.c rq.c \
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thr_posix.c thr_cthreads.c thr_thr.c thr_nt.c \
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thr_pth.c thr_stub.c thr_debug.c
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@ -48,7 +48,7 @@ OBJS = threads.lo rdwr.lo rmutex.lo tpool.lo rq.lo \
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charray.lo os-local.lo dnssrv.lo utf-8.lo utf-8-conv.lo \
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tls2.lo tls_o.lo tls_g.lo tls_m.lo \
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turn.lo ppolicy.lo dds.lo txn.lo ldap_sync.lo stctrl.lo \
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assertion.lo deref.lo ldifutil.lo ldif.lo fetch.lo
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assertion.lo deref.lo ldifutil.lo ldif.lo fetch.lo lbase64.lo
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LDAP_INCDIR= ../../include
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LDAP_LIBDIR= ../../libraries
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1
libraries/libldap_r/lbase64.c
Symbolic link
1
libraries/libldap_r/lbase64.c
Symbolic link
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@ -0,0 +1 @@
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../libldap/lbase64.c
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