crypto/ebcdic.c

   1 /* crypto/ebcdic.c */
   2
   3 #ifdef CHARSET_EBCDIC
   4 #include "ebcdic.h"
   5 /*      Initial Port for  Apache-1.3     by <Martin.Kraemer@Mch.SNI.De>
   6  *      Adapted for       OpenSSL-0.9.4  by <Martin.Kraemer@Mch.SNI.De>
   7  */
   8
   9 #ifdef _OSD_POSIX
  10 /*
  11     "BS2000 OSD" is a POSIX subsystem on a main frame.
  12     It is made by Siemens AG, Germany, for their BS2000 mainframe machines.
  13     Within the POSIX subsystem, the same character set was chosen as in
  14     "native BS2000", namely EBCDIC. (EDF04)
  15
  16     The name "ASCII" in these routines is misleading: actually, conversion
  17     is not between EBCDIC and ASCII, but EBCDIC(EDF04) and ISO-8859.1;
  18     that means that (western european) national characters are preserved.
  19
  20     This table is identical to the one used by rsh/rcp/ftp and other POSIX tools.
  21 */
  22
  23 /* Here's the bijective ebcdic-to-ascii table: */
  24 const unsigned char os_toascii[256] = {
  25 /*00*/ 0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f,
  26        0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /*................*/
  27 /*10*/ 0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97,
  28        0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /*................*/
  29 /*20*/ 0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b,
  30        0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /*................*/
  31 /*30*/ 0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04,
  32        0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /*................*/
  33 /*40*/ 0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5,
  34        0xe7, 0xf1, 0x60, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /* .........`.<(+|*/
  35 /*50*/ 0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef,
  36        0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x9f, /*&.........!$*);.*/
  37 /*60*/ 0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5,
  38        0xc7, 0xd1, 0x5e, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, /*-/........^,%_>?*/
  39 /*70*/ 0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf,
  40        0xcc, 0xa8, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /*..........:#@'="*/
  41 /*80*/ 0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
  42        0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /*.abcdefghi......*/
  43 /*90*/ 0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
  44        0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /*.jklmnopqr......*/
  45 /*a0*/ 0xb5, 0xaf, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
  46        0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0xdd, 0xde, 0xae, /*..stuvwxyz......*/
  47 /*b0*/ 0xa2, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc,
  48        0xbd, 0xbe, 0xac, 0x5b, 0x5c, 0x5d, 0xb4, 0xd7, /*...........[\]..*/
  49 /*c0*/ 0xf9, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
  50        0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /*.ABCDEFGHI......*/
  51 /*d0*/ 0xa6, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
  52        0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xdb, 0xfa, 0xff, /*.JKLMNOPQR......*/
  53 /*e0*/ 0xd9, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
  54        0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /*..STUVWXYZ......*/
  55 /*f0*/ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
  56        0x38, 0x39, 0xb3, 0x7b, 0xdc, 0x7d, 0xda, 0x7e  /*0123456789.{.}.~*/
  57 };
  58
  59
  60 /* The ascii-to-ebcdic table: */
  61 const unsigned char os_toebcdic[256] = {
  62 /*00*/  0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f,
  63         0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,  /*................*/
  64 /*10*/  0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26,
  65         0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f,  /*................*/
  66 /*20*/  0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d,
  67         0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61,  /* !"#$%&'()*+,-./ */
  68 /*30*/  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
  69         0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f,  /*0123456789:;<=>?*/
  70 /*40*/  0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
  71         0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6,  /*@ABCDEFGHIJKLMNO*/
  72 /*50*/  0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6,
  73         0xe7, 0xe8, 0xe9, 0xbb, 0xbc, 0xbd, 0x6a, 0x6d,  /*PQRSTUVWXYZ[\]^_*/
  74 /*60*/  0x4a, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
  75         0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,  /*`abcdefghijklmno*/
  76 /*70*/  0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6,
  77         0xa7, 0xa8, 0xa9, 0xfb, 0x4f, 0xfd, 0xff, 0x07,  /*pqrstuvwxyz{|}~.*/
  78 /*80*/  0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08,
  79         0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14,  /*................*/
  80 /*90*/  0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17,
  81         0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0x5f,  /*................*/
  82 /*a0*/  0x41, 0xaa, 0xb0, 0xb1, 0x9f, 0xb2, 0xd0, 0xb5,
  83         0x79, 0xb4, 0x9a, 0x8a, 0xba, 0xca, 0xaf, 0xa1,  /*................*/
  84 /*b0*/  0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3,
  85         0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab,  /*................*/
  86 /*c0*/  0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68,
  87         0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77,  /*................*/
  88 /*d0*/  0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf,
  89         0x80, 0xe0, 0xfe, 0xdd, 0xfc, 0xad, 0xae, 0x59,  /*................*/
  90 /*e0*/  0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48,
  91         0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57,  /*................*/
  92 /*f0*/  0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1,
  93         0x70, 0xc0, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf   /*................*/
  94 };
  95
  96 #else  /*_OSD_POSIX*/
  97
  98 /*
  99 This code does basic character mapping for IBM's TPF and OS/390 operating systems.
 100 It is a modified version of the BS2000 table.
 101
 102 Bijective EBCDIC (character set IBM-1047) to US-ASCII table:
 103 This table is bijective - there are no ambigous or duplicate characters.
 104 */
 105 const unsigned char os_toascii[256] = {
 106     0x00, 0x01, 0x02, 0x03, 0x85, 0x09, 0x86, 0x7f, /* 00-0f:           */
 107     0x87, 0x8d, 0x8e, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 108     0x10, 0x11, 0x12, 0x13, 0x8f, 0x0a, 0x08, 0x97, /* 10-1f:           */
 109     0x18, 0x19, 0x9c, 0x9d, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 110     0x80, 0x81, 0x82, 0x83, 0x84, 0x92, 0x17, 0x1b, /* 20-2f:           */
 111     0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x05, 0x06, 0x07, /* ................ */
 112     0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, /* 30-3f:           */
 113     0x98, 0x99, 0x9a, 0x9b, 0x14, 0x15, 0x9e, 0x1a, /* ................ */
 114     0x20, 0xa0, 0xe2, 0xe4, 0xe0, 0xe1, 0xe3, 0xe5, /* 40-4f:           */
 115     0xe7, 0xf1, 0xa2, 0x2e, 0x3c, 0x28, 0x2b, 0x7c, /*  ...........<(+| */
 116     0x26, 0xe9, 0xea, 0xeb, 0xe8, 0xed, 0xee, 0xef, /* 50-5f:           */
 117     0xec, 0xdf, 0x21, 0x24, 0x2a, 0x29, 0x3b, 0x5e, /* &.........!$*);^ */
 118     0x2d, 0x2f, 0xc2, 0xc4, 0xc0, 0xc1, 0xc3, 0xc5, /* 60-6f:           */
 119     0xc7, 0xd1, 0xa6, 0x2c, 0x25, 0x5f, 0x3e, 0x3f, /* -/.........,%_>? */
 120     0xf8, 0xc9, 0xca, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, /* 70-7f:           */
 121     0xcc, 0x60, 0x3a, 0x23, 0x40, 0x27, 0x3d, 0x22, /* .........`:#@'=" */
 122     0xd8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 80-8f:           */
 123     0x68, 0x69, 0xab, 0xbb, 0xf0, 0xfd, 0xfe, 0xb1, /* .abcdefghi...... */
 124     0xb0, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, /* 90-9f:           */
 125     0x71, 0x72, 0xaa, 0xba, 0xe6, 0xb8, 0xc6, 0xa4, /* .jklmnopqr...... */
 126     0xb5, 0x7e, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, /* a0-af:           */
 127     0x79, 0x7a, 0xa1, 0xbf, 0xd0, 0x5b, 0xde, 0xae, /* .~stuvwxyz...[.. */
 128     0xac, 0xa3, 0xa5, 0xb7, 0xa9, 0xa7, 0xb6, 0xbc, /* b0-bf:           */
 129     0xbd, 0xbe, 0xdd, 0xa8, 0xaf, 0x5d, 0xb4, 0xd7, /* .............].. */
 130     0x7b, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* c0-cf:           */
 131     0x48, 0x49, 0xad, 0xf4, 0xf6, 0xf2, 0xf3, 0xf5, /* {ABCDEFGHI...... */
 132     0x7d, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, /* d0-df:           */
 133     0x51, 0x52, 0xb9, 0xfb, 0xfc, 0xf9, 0xfa, 0xff, /* }JKLMNOPQR...... */
 134     0x5c, 0xf7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, /* e0-ef:           */
 135     0x59, 0x5a, 0xb2, 0xd4, 0xd6, 0xd2, 0xd3, 0xd5, /* \.STUVWXYZ...... */
 136     0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* f0-ff:           */
 137     0x38, 0x39, 0xb3, 0xdb, 0xdc, 0xd9, 0xda, 0x9f  /* 0123456789...... */
 138 };
 139
 140
 141 /*
 142 The US-ASCII to EBCDIC (character set IBM-1047) table:
 143 This table is bijective (no ambiguous or duplicate characters)
 144 */
 145 const unsigned char os_toebcdic[256] = {
 146     0x00, 0x01, 0x02, 0x03, 0x37, 0x2d, 0x2e, 0x2f, /* 00-0f:           */
 147     0x16, 0x05, 0x15, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, /* ................ */
 148     0x10, 0x11, 0x12, 0x13, 0x3c, 0x3d, 0x32, 0x26, /* 10-1f:           */
 149     0x18, 0x19, 0x3f, 0x27, 0x1c, 0x1d, 0x1e, 0x1f, /* ................ */
 150     0x40, 0x5a, 0x7f, 0x7b, 0x5b, 0x6c, 0x50, 0x7d, /* 20-2f:           */
 151     0x4d, 0x5d, 0x5c, 0x4e, 0x6b, 0x60, 0x4b, 0x61, /*  !"#$%&'()*+,-./ */
 152     0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 30-3f:           */
 153     0xf8, 0xf9, 0x7a, 0x5e, 0x4c, 0x7e, 0x6e, 0x6f, /* 0123456789:;<=>? */
 154     0x7c, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 40-4f:           */
 155     0xc8, 0xc9, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, /* @ABCDEFGHIJKLMNO */
 156     0xd7, 0xd8, 0xd9, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, /* 50-5f:           */
 157     0xe7, 0xe8, 0xe9, 0xad, 0xe0, 0xbd, 0x5f, 0x6d, /* PQRSTUVWXYZ[\]^_ */
 158     0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 60-6f:           */
 159     0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, /* `abcdefghijklmno */
 160     0x97, 0x98, 0x99, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, /* 70-7f:           */
 161     0xa7, 0xa8, 0xa9, 0xc0, 0x4f, 0xd0, 0xa1, 0x07, /* pqrstuvwxyz{|}~. */
 162     0x20, 0x21, 0x22, 0x23, 0x24, 0x04, 0x06, 0x08, /* 80-8f:           */
 163     0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x09, 0x0a, 0x14, /* ................ */
 164     0x30, 0x31, 0x25, 0x33, 0x34, 0x35, 0x36, 0x17, /* 90-9f:           */
 165     0x38, 0x39, 0x3a, 0x3b, 0x1a, 0x1b, 0x3e, 0xff, /* ................ */
 166     0x41, 0xaa, 0x4a, 0xb1, 0x9f, 0xb2, 0x6a, 0xb5, /* a0-af:           */
 167     0xbb, 0xb4, 0x9a, 0x8a, 0xb0, 0xca, 0xaf, 0xbc, /* ................ */
 168     0x90, 0x8f, 0xea, 0xfa, 0xbe, 0xa0, 0xb6, 0xb3, /* b0-bf:           */
 169     0x9d, 0xda, 0x9b, 0x8b, 0xb7, 0xb8, 0xb9, 0xab, /* ................ */
 170     0x64, 0x65, 0x62, 0x66, 0x63, 0x67, 0x9e, 0x68, /* c0-cf:           */
 171     0x74, 0x71, 0x72, 0x73, 0x78, 0x75, 0x76, 0x77, /* ................ */
 172     0xac, 0x69, 0xed, 0xee, 0xeb, 0xef, 0xec, 0xbf, /* d0-df:           */
 173     0x80, 0xfd, 0xfe, 0xfb, 0xfc, 0xba, 0xae, 0x59, /* ................ */
 174     0x44, 0x45, 0x42, 0x46, 0x43, 0x47, 0x9c, 0x48, /* e0-ef:           */
 175     0x54, 0x51, 0x52, 0x53, 0x58, 0x55, 0x56, 0x57, /* ................ */
 176     0x8c, 0x49, 0xcd, 0xce, 0xcb, 0xcf, 0xcc, 0xe1, /* f0-ff:           */
 177     0x70, 0xdd, 0xde, 0xdb, 0xdc, 0x8d, 0x8e, 0xdf  /* ................ */
 178 };
 179 #endif /*_OSD_POSIX*/
 180
 181 /* Translate a memory block from EBCDIC (host charset) to ASCII (net charset)
 182  * dest and srce may be identical, or separate memory blocks, but
 183  * should not overlap. These functions intentionally have an interface
 184  * compatible to memcpy(3).
 185  */
 186
 187 void *
 188 ebcdic2ascii(void *dest, const void *srce, size_t count)
 189 {
 190     unsigned char *udest = dest;
 191     const unsigned char *usrce = srce;
 192
 193     while (count-- != 0) {
 194         *udest++ = os_toascii[*usrce++];
 195     }
 196
 197     return dest;
 198 }
 199
 200 void *
 201 ascii2ebcdic(void *dest, const void *srce, size_t count)
 202 {
 203     unsigned char *udest = dest;
 204     const unsigned char *usrce = srce;
 205
 206     while (count-- != 0) {
 207         *udest++ = os_toebcdic[*usrce++];
 208     }
 209
 210     return dest;
 211 }
 212
 213 #else /*CHARSET_EBCDIC*/
 214 #include <openssl/e_os2.h>
 215 #if defined(PEDANTIC) || defined(__DECC) || defined(OPENSSL_SYS_MACOSX)
 216 static void *dummy=&dummy;
 217 #endif
 218 #endif