EBCDIC support.

Submitted by: Martin Kraemer <martin.kraemer@mch.sni.de>
This commit is contained in:
Ulf Möller 2000-02-01 02:21:16 +00:00
parent 388f2f56f2
commit 8efb60144d
8 changed files with 249 additions and 9 deletions

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@ -4,6 +4,9 @@
Changes between 0.9.4 and 0.9.5 [xx XXX 2000]
*) Support the EBCDIC character set completed.
[Martin Kraemer <Martin.Kraemer@Mch.SNI.De>]
*) Source code cleanups: use const where appropriate, eliminate casts,
use void * instead of char * in lhash.
[Ulf Möller]

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@ -281,7 +281,7 @@ my %table=(
"SINIX-N","/usr/ucb/cc:-O2 -misaligned::(unknown):-lucb:RC4_INDEX RC4_CHAR:::",
# SIEMENS BS2000/OSD: an EBCDIC-based mainframe
"BS2000-OSD","c89:-XLLML -XLLMK -XL -DB_ENDIAN -DTERMIOS -DCHARSET_EBCDIC::(unknown):-lsocket -lnsl:THIRTY_TWO_BIT DES_PTR DES_UNROLL MD2_CHAR RC4_INDEX RC4_CHAR BF_PTR:::",
"BS2000-OSD","c89:-O -XLLML -XLLMK -XL -DB_ENDIAN -DTERMIOS -DCHARSET_EBCDIC::(unknown):-lsocket -lnsl:THIRTY_TWO_BIT DES_PTR DES_UNROLL MD2_CHAR RC4_INDEX RC4_CHAR BF_PTR:::",
# Windows NT, Microsoft Visual C++ 4.0

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@ -34,8 +34,8 @@ SDIRS= md2 md5 sha mdc2 hmac ripemd \
GENERAL=Makefile README crypto-lib.com install.com
LIB= $(TOP)/libcrypto.a
LIBSRC= cryptlib.c mem.c mem_dbg.c cversion.c ex_data.c tmdiff.c cpt_err.c
LIBOBJ= cryptlib.o mem.o mem_dbg.o cversion.o ex_data.o tmdiff.o cpt_err.o
LIBSRC= cryptlib.c mem.c mem_dbg.c cversion.c ex_data.c tmdiff.c cpt_err.c ebcdic.c
LIBOBJ= cryptlib.o mem.o mem_dbg.o cversion.o ex_data.o tmdiff.o cpt_err.o ebcdic.o
SRC= $(LIBSRC)

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@ -62,6 +62,9 @@ bn_prime.h: bn_prime.pl
knuth: bn_knuth.c
cc -pg -I.. -I../../include bn_knuth.c -o knuth $(LIB) #../../../libefence.a
bnbug: bnbug.c
cc -I.. -I../../include bnbug.c -o bnbug $(LIB)
knuth.fast: bn_knuth.c
cc -pg -fast -I.. -I../../include bn_knuth.c -o knuth $(LIB) #../../../libefence.a

213
crypto/ebcdic.c Normal file
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@ -0,0 +1,213 @@
/* crypto/ebcdic.c */
#ifdef CHARSET_EBCDIC
#include "ebcdic.h"
/* Initial Port for Apache-1.3 by <Martin.Kraemer@Mch.SNI.De>
* Adapted for OpenSSL-0.9.4 by <Martin.Kraemer@Mch.SNI.De>
*/
#ifdef _OSD_POSIX
/*
"BS2000 OSD" is a POSIX subsystem on a main frame.
It is made by Siemens AG, Germany, for their BS2000 mainframe machines.
Within the POSIX subsystem, the same character set was chosen as in
"native BS2000", namely EBCDIC. (EDF04)
The name "ASCII" in these routines is misleading: actually, conversion
is not between EBCDIC and ASCII, but EBCDIC(EDF04) and ISO-8859.1;
that means that (western european) national characters are preserved.
This table is identical to the one used by rsh/rcp/ftp and other POSIX tools.
*/
/* Here's the bijective ebcdic-to-ascii table: */
const unsigned char os_toascii[256] = {
/*00*/ 0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f,
0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /*................*/
/*10*/ 0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97,
0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /*................*/
/*20*/ 0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /*................*/
/*30*/ 0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04,
0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /*................*/
/*40*/ 0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5,
0xe7, 0xf1, 0x60, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /* .........`.<(+|*/
/*50*/ 0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef,
0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x9f, /*&.........!$*);.*/
/*60*/ 0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5,
0xc7, 0xd1, 0x5e, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, /*-/........^,%_>?*/
/*70*/ 0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf,
0xcc, 0xa8, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /*..........:#@'="*/
/*80*/ 0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /*.abcdefghi......*/
/*90*/ 0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /*.jklmnopqr......*/
/*a0*/ 0xb5, 0xaf, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0xdd, 0xde, 0xae, /*..stuvwxyz......*/
/*b0*/ 0xa2, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc,
0xbd, 0xbe, 0xac, 0x5b, 0x5c, 0x5d, 0xb4, 0xd7, /*...........[\]..*/
/*c0*/ 0xf9, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /*.ABCDEFGHI......*/
/*d0*/ 0xa6, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xdb, 0xfa, 0xff, /*.JKLMNOPQR......*/
/*e0*/ 0xd9, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /*..STUVWXYZ......*/
/*f0*/ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0xb3, 0x7b, 0xdc, 0x7d, 0xda, 0x7e /*0123456789.{.}.~*/
};
/* The ascii-to-ebcdic table: */
const unsigned char os_toebcdic[256] = {
/*00*/ 0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f,
0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /*................*/
/*10*/ 0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26,
0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, /*................*/
/*20*/ 0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d,
0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, /* !"#$%&'()*+,-./ */
/*30*/ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, /*0123456789:;<=>?*/
/*40*/ 0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, /*@ABCDEFGHIJKLMNO*/
/*50*/ 0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6,
0xe7, 0xe8, 0xe9, 0xbb, 0xbc, 0xbd, 0x6a, 0x6d, /*PQRSTUVWXYZ[\]^_*/
/*60*/ 0x4a, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, /*`abcdefghijklmno*/
/*70*/ 0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6,
0xa7, 0xa8, 0xa9, 0xfb, 0x4f, 0xfd, 0xff, 0x07, /*pqrstuvwxyz{|}~.*/
/*80*/ 0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14, /*................*/
/*90*/ 0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17,
0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0x5f, /*................*/
/*a0*/ 0x41, 0xaa, 0xb0, 0xb1, 0x9f, 0xb2, 0xd0, 0xb5,
0x79, 0xb4, 0x9a, 0x8a, 0xba, 0xca, 0xaf, 0xa1, /*................*/
/*b0*/ 0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3,
0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab, /*................*/
/*c0*/ 0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68,
0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77, /*................*/
/*d0*/ 0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf,
0x80, 0xe0, 0xfe, 0xdd, 0xfc, 0xad, 0xae, 0x59, /*................*/
/*e0*/ 0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48,
0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57, /*................*/
/*f0*/ 0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1,
0x70, 0xc0, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf /*................*/
};
#else /*_OSD_POSIX*/
/*
This code does basic character mapping for IBM's TPF and OS/390 operating systems.
It is a modified version of the BS2000 table.
Bijective EBCDIC (character set IBM-1047) to US-ASCII table:
This table is bijective - there are no ambigous or duplicate characters.
*/
const unsigned char os_toascii[256] = {
0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f, /* 00-0f: */
0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97, /* 10-1f: */
0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b, /* 20-2f: */
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /* ................ */
0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, /* 30-3f: */
0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /* ................ */
0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5, /* 40-4f: */
0xe7, 0xf1, 0xa2, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /* ...........<(+| */
0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, /* 50-5f: */
0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x5e, /* &.........!$*);^ */
0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5, /* 60-6f: */
0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, /* -/.........,%_>? */
0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, /* 70-7f: */
0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /* .........`:#@'=" */
0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 80-8f: */
0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /* .abcdefghi...... */
0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, /* 90-9f: */
0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /* .jklmnopqr...... */
0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, /* a0-af: */
0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0x5b, 0xde, 0xae, /* .~stuvwxyz...[.. */
0xac, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, /* b0-bf: */
0xbd, 0xbe, 0xdd, 0xa8, 0xaf, 0x5d, 0xb4, 0xd7, /* .............].. */
0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* c0-cf: */
0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /* {ABCDEFGHI...... */
0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, /* d0-df: */
0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff, /* }JKLMNOPQR...... */
0x5c, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, /* e0-ef: */
0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /* \.STUVWXYZ...... */
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* f0-ff: */
0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f /* 0123456789...... */
};
/*
The US-ASCII to EBCDIC (character set IBM-1047) table:
This table is bijective (no ambiguous or duplicate characters)
*/
const unsigned char os_toebcdic[256] = {
0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, /* 00-0f: */
0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, /* 10-1f: */
0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, /* 20-2f: */
0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, /* !"#$%&'()*+,-./ */
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 30-3f: */
0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, /* 0123456789:;<=>? */
0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 40-4f: */
0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, /* @ABCDEFGHIJKLMNO */
0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, /* 50-5f: */
0xe7, 0xe8, 0xe9, 0xad, 0xe0, 0xbd, 0x5f, 0x6d, /* PQRSTUVWXYZ[\]^_ */
0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 60-6f: */
0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, /* `abcdefghijklmno */
0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, /* 70-7f: */
0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07, /* pqrstuvwxyz{|}~. */
0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08, /* 80-8f: */
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14, /* ................ */
0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17, /* 90-9f: */
0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0xff, /* ................ */
0x41, 0xaa, 0x4a, 0xb1, 0x9f, 0xb2, 0x6a, 0xb5, /* a0-af: */
0xbb, 0xb4, 0x9a, 0x8a, 0xb0, 0xca, 0xaf, 0xbc, /* ................ */
0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3, /* b0-bf: */
0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab, /* ................ */
0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68, /* c0-cf: */
0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77, /* ................ */
0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf, /* d0-df: */
0x80, 0xfd, 0xfe, 0xfb, 0xfc, 0xba, 0xae, 0x59, /* ................ */
0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48, /* e0-ef: */
0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57, /* ................ */
0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1, /* f0-ff: */
0x70, 0xdd, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf /* ................ */
};
#endif /*_OSD_POSIX*/
/* Translate a memory block from EBCDIC (host charset) to ASCII (net charset)
* dest and srce may be identical, or separate memory blocks, but
* should not overlap. These functions intentionally have an interface
* compatible to memcpy(3).
*/
void *
ebcdic2ascii(void *dest, const void *srce, size_t count)
{
unsigned char *udest = dest;
const unsigned char *usrce = srce;
while (count-- != 0) {
*udest++ = os_toascii[*usrce++];
}
return dest;
}
void *
ascii2ebcdic(void *dest, const void *srce, size_t count)
{
unsigned char *udest = dest;
const unsigned char *usrce = srce;
while (count-- != 0) {
*udest++ = os_toebcdic[*usrce++];
}
return dest;
}
#endif /*CHARSET_EBCDIC*/

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@ -1,17 +1,19 @@
/* crypto/ebcdic.h */
#ifndef HEADER_EBCDIC_H
#define HEADER_EBCDIC_H
#include <sys/types.h>
/* Avoid name clashes with other applications */
#define os_toascii _eay2000_os_toascii
#define os_toebcdic _eay2000_os_toebcdic
#define ebcdic2ascii _eay2000_ebcdic2ascii
#define ascii2ebcdic _eay2000_ascii2ebcdic
#define os_toascii _openssl_os_toascii
#define os_toebcdic _openssl_os_toebcdic
#define ebcdic2ascii _openssl_ebcdic2ascii
#define ascii2ebcdic _openssl_ascii2ebcdic
extern const unsigned char os_toascii[256];
extern const unsigned char os_toebcdic[256];
void ebcdic2ascii(unsigned char *dest, const unsigned char *srce, size_t count);
void ascii2ebcdic(unsigned char *dest, const unsigned char *srce, size_t count);
void *ebcdic2ascii(void *dest, const void *srce, size_t count);
void *ascii2ebcdic(void *dest, const void *srce, size_t count);
#endif

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@ -102,6 +102,9 @@ static ASN1_IA5STRING *s2i_ASN1_IA5STRING(X509V3_EXT_METHOD *method,
M_ASN1_IA5STRING_free(ia5);
goto err;
}
#ifdef CHARSET_EBCDIC
ebcdic2ascii(ia5->data, ia5->data, ia5->length);
#endif /*CHARSET_EBCDIC*/
return ia5;
err:
X509V3err(X509V3_F_S2I_ASN1_IA5STRING,ERR_R_MALLOC_FAILURE);

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@ -81,7 +81,15 @@ void X509V3_EXT_val_prn(BIO *out, STACK_OF(CONF_VALUE) *val, int indent, int ml)
nval = sk_CONF_VALUE_value(val, i);
if(!nval->name) BIO_puts(out, nval->value);
else if(!nval->value) BIO_puts(out, nval->name);
#ifndef CHARSET_EBCDIC
else BIO_printf(out, "%s:%s", nval->name, nval->value);
#else
else {
char tmp[10240]; /* 10k is BIO_printf's limit anyway */
ascii2ebcdic(tmp, nval->value, strlen(nval->value)+1);
BIO_printf(out, "%s:%s", nval->name, tmp);
}
#endif
if(ml) BIO_puts(out, "\n");
}
}
@ -103,7 +111,15 @@ int X509V3_EXT_print(BIO *out, X509_EXTENSION *ext, int flag, int indent)
ok = 0;
goto err;
}
#ifndef CHARSET_EBCDIC
BIO_printf(out, "%*s%s", indent, "", value);
#else
{
char tmp[10240]; /* 10k is BIO_printf's limit anyway */
ascii2ebcdic(tmp, value, strlen(value)+1);
BIO_printf(out, "%*s%s", indent, "", tmp);
}
#endif
} else if(method->i2v) {
if(!(nval = method->i2v(method, ext_str, NULL))) {
ok = 0;