--- /dev/null
+/* a_mbstr.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1.h>
+
+static int traverse_string(unsigned char *p, int len, int inform,
+ int (*rfunc)(unsigned long value, void *in), void *arg);
+static int in_utf8(unsigned long value, void *arg);
+static int out_utf8(unsigned long value, void *arg);
+static int type_str(unsigned long value, void *arg);
+static int cpy_asc(unsigned long value, void *arg);
+static int cpy_bmp(unsigned long value, void *arg);
+static int cpy_univ(unsigned long value, void *arg);
+static int cpy_utf8(unsigned long value, void *arg);
+static int is_printable(unsigned long value);
+
+/* This function takes a string in UTF8, ASCII or multibyte form and
+ * a mask of permissible ASN1 string types. It then works out the minimal
+ * type (using the order Printable < IA5 < T61 < BMP < Universal < UTF8)
+ * and creates a string of the correct type with the supplied data.
+ * Yes this is horrible: it has to be :-(
+ */
+
+int ASN1_mbstring_copy(ASN1_STRING **out, unsigned char *in, int len,
+ int inform, unsigned long mask)
+{
+ int str_type;
+ int ret;
+ int outform, outlen;
+ ASN1_STRING *dest;
+ unsigned char *p;
+ int nchar;
+ int (*cpyfunc)(unsigned long value, void *in) = NULL;
+ if(len == -1) len = strlen(in);
+
+ /* First do a string check and work out the number of characters */
+ switch(inform) {
+
+ case MBSTRING_BMP:
+ if(len & 1) {
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+ ASN1_R_INVALID_BMPSTRING_LENGTH);
+ return -1;
+ }
+ nchar = len >> 1;
+ break;
+
+ case MBSTRING_UNIV:
+ if(len & 3) {
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+ ASN1_R_INVALID_UNIVERSALSTRING_LENGTH);
+ return -1;
+ }
+ nchar = len >> 2;
+ break;
+
+ case MBSTRING_UTF8:
+ nchar = 0;
+ ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar);
+ if(ret < 0) {
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY,
+ ASN1_R_INVALID_UTF8STRING);
+ return -1;
+ }
+ break;
+
+ case MBSTRING_ASC:
+ nchar = len;
+ break;
+
+ default:
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_UNKNOWN_FORMAT);
+ return -1;
+ }
+
+ /* Now work out minimal type (if any) */
+ if(traverse_string(in, len, inform, type_str, &mask) < 0) {
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_ILLEGAL_CHARACTERS);
+ return -1;
+ }
+
+ /* Now work out output format and string type */
+ outform = MBSTRING_ASC;
+ if(mask & B_ASN1_PRINTABLESTRING) str_type = V_ASN1_PRINTABLESTRING;
+ else if(mask & B_ASN1_IA5STRING) str_type = V_ASN1_IA5STRING;
+ else if(mask & B_ASN1_T61STRING) str_type = V_ASN1_T61STRING;
+ else if(mask & B_ASN1_BMPSTRING) {
+ str_type = V_ASN1_BMPSTRING;
+ outform = MBSTRING_BMP;
+ } else if(mask & B_ASN1_UNIVERSALSTRING) {
+ str_type = V_ASN1_UNIVERSALSTRING;
+ outform = MBSTRING_UNIV;
+ } else {
+ str_type = V_ASN1_UTF8STRING;
+ outform = MBSTRING_UTF8;
+ }
+ if(!out) return str_type;
+ if(!(dest = ASN1_STRING_type_new(str_type))) {
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ *out = dest;
+ /* If both the same type just copy across */
+ if(inform == outform) {
+ if(!ASN1_STRING_set(dest, in, len)) {
+ ASN1_STRING_free(dest);
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ return str_type;
+ }
+
+ /* Work out how much space the destination will need */
+ switch(outform) {
+ case MBSTRING_ASC:
+ outlen = nchar;
+ cpyfunc = cpy_asc;
+ break;
+
+ case MBSTRING_BMP:
+ outlen = nchar << 1;
+ cpyfunc = cpy_bmp;
+ break;
+
+ case MBSTRING_UNIV:
+ outlen = nchar << 2;
+ cpyfunc = cpy_univ;
+ break;
+
+ case MBSTRING_UTF8:
+ outlen = 0;
+ traverse_string(in, len, inform, out_utf8, &outlen);
+ cpyfunc = cpy_utf8;
+ break;
+ }
+ if(!(p = Malloc(outlen + 1))) {
+ ASN1_STRING_free(dest);
+ ASN1err(ASN1_F_ASN1_MBSTRING_COPY,ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ dest->length = outlen;
+ dest->data = p;
+ p[outlen] = 0;
+ traverse_string(in, len, inform, cpyfunc, &p);
+ return str_type;
+}
+
+/* This function traverses a string and passes the value of each character
+ * to an optional function along with a void * argument.
+ */
+
+static int traverse_string(unsigned char *p, int len, int inform,
+ int (*rfunc)(unsigned long value, void *in), void *arg)
+{
+ unsigned long value;
+ int ret;
+ while(len) {
+ if(inform == MBSTRING_ASC) {
+ value = *p++;
+ len--;
+ } else if(inform == MBSTRING_BMP) {
+ value = *p++ << 8;
+ value |= *p++;
+ len -= 2;
+ } else if(inform == MBSTRING_UNIV) {
+ value = *p++ << 24;
+ value |= *p++ << 16;
+ value |= *p++ << 8;
+ value |= *p++;
+ len -= 4;
+ } else {
+ ret = UTF8_getc(p, len, &value);
+ if(ret < 0) return -1;
+ len -= ret;
+ p += ret;
+ }
+ if(rfunc) {
+ ret = rfunc(value, arg);
+ if(ret <= 0) return ret;
+ }
+ }
+ return 1;
+}
+
+/* Various utility functions for traverse_string */
+
+/* Just count number of characters */
+
+static int in_utf8(unsigned long value, void *arg)
+{
+ int *nchar;
+ nchar = arg;
+ (*nchar)++;
+ return 1;
+}
+
+/* Determine size of output as a UTF8 String */
+
+static int out_utf8(unsigned long value, void *arg)
+{
+ long *outlen;
+ outlen = arg;
+ *outlen += UTF8_putc(NULL, -1, value);
+ return 1;
+}
+
+/* Determine the "type" of a string: check each character against a
+ * supplied "mask".
+ */
+
+static int type_str(unsigned long value, void *arg)
+{
+ unsigned long types;
+ types = *((unsigned long *)arg);
+ if((types & B_ASN1_PRINTABLESTRING) && !is_printable(value))
+ types &= ~B_ASN1_PRINTABLESTRING;
+ if((types & B_ASN1_IA5STRING) && (value > 127))
+ types &= ~B_ASN1_IA5STRING;
+ if((types & B_ASN1_T61STRING) && (value > 0xff))
+ types &= ~B_ASN1_T61STRING;
+ if((types & B_ASN1_BMPSTRING) && (value > 0xffff))
+ types &= ~B_ASN1_BMPSTRING;
+ if(!types) return -1;
+ *((unsigned long *)arg) = types;
+ return 1;
+}
+
+/* Copy one byte per character ASCII like strings */
+
+static int cpy_asc(unsigned long value, void *arg)
+{
+ unsigned char **p, *q;
+ p = arg;
+ q = *p;
+ *q = (unsigned char) value;
+ (*p)++;
+ return 1;
+}
+
+/* Copy two byte per character BMPStrings */
+
+static int cpy_bmp(unsigned long value, void *arg)
+{
+ unsigned char **p, *q;
+ p = arg;
+ q = *p;
+ *q++ = (unsigned char) ((value >> 8) & 0xff);
+ *q = (unsigned char) (value & 0xff);
+ *p += 2;
+ return 1;
+}
+
+/* Copy four byte per character UniversalStrings */
+
+static int cpy_univ(unsigned long value, void *arg)
+{
+ unsigned char **p, *q;
+ p = arg;
+ q = *p;
+ *q++ = (unsigned char) ((value >> 24) & 0xff);
+ *q++ = (unsigned char) ((value >> 16) & 0xff);
+ *q++ = (unsigned char) ((value >> 8) & 0xff);
+ *q = (unsigned char) (value & 0xff);
+ *p += 4;
+ return 1;
+}
+
+/* Copy to a UTF8String */
+
+static int cpy_utf8(unsigned long value, void *arg)
+{
+ unsigned char **p;
+ int ret;
+ p = arg;
+ /* We already know there is enough room so pass 0xff as the length */
+ ret = UTF8_putc(*p, 0xff, value);
+ *p += ret;
+ return 1;
+}
+
+/* Return 1 if the character is permitted in a PrintableString */
+static int is_printable(unsigned long value)
+{
+ int ch;
+ if(value > 0x7f) return 0;
+ ch = (int) value;
+ /* Note: we can't use 'isalnum' because certain accented
+ * characters may count as alphanumeric in some environments.
+ */
+ if((ch >= 'a') && (ch <= 'z')) return 1;
+ if((ch >= 'A') && (ch <= 'Z')) return 1;
+ if((ch >= '0') && (ch <= '9')) return 1;
+ if ((ch == ' ') || strchr("'()+,-./:=?", ch)) return 1;
+ return 0;
+}
#define B_ASN1_UNKNOWN 0x1000
#define B_ASN1_UTF8STRING 0x2000
+/* For use with ASN1_mbstring_copy() */
+#define MBSTRING_ASC 1
+#define MBSTRING_BMP 2
+#define MBSTRING_UNIV 3
+#define MBSTRING_UTF8 4
+
#define DECLARE_ASN1_SET_OF(type) \
int i2d_ASN1_SET_OF_##type(STACK_OF(type) *a,unsigned char **pp, \
int (*func)(type *,unsigned char **), int ex_tag, \
int *len );
void *ASN1_unpack_string(ASN1_STRING *oct, char *(*d2i)());
ASN1_STRING *ASN1_pack_string(void *obj, int (*i2d)(), ASN1_OCTET_STRING **oct);
+int ASN1_mbstring_copy(ASN1_STRING **out, unsigned char *in, int len,
+ int inform, unsigned long mask);
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
#define ASN1_F_ASN1_I2D_FP 110
#define ASN1_F_ASN1_INTEGER_SET 111
#define ASN1_F_ASN1_INTEGER_TO_BN 112
+#define ASN1_F_ASN1_MBSTRING_COPY 282
#define ASN1_F_ASN1_OBJECT_NEW 113
#define ASN1_F_ASN1_PACK_STRING 245
#define ASN1_F_ASN1_PBE_SET 253
#define ASN1_R_FIRST_NUM_TOO_LARGE 119
#define ASN1_R_GENERALIZEDTIME_TOO_LONG 153
#define ASN1_R_HEADER_TOO_LONG 120
+#define ASN1_R_ILLEGAL_CHARACTERS 158
+#define ASN1_R_INVALID_BMPSTRING_LENGTH 159
#define ASN1_R_INVALID_DIGIT 121
#define ASN1_R_INVALID_SEPARATOR 122
#define ASN1_R_INVALID_TIME_FORMAT 123
+#define ASN1_R_INVALID_UNIVERSALSTRING_LENGTH 160
+#define ASN1_R_INVALID_UTF8STRING 161
#define ASN1_R_IV_TOO_LARGE 124
#define ASN1_R_LENGTH_ERROR 125
#define ASN1_R_MISSING_SECOND_NUMBER 126
#define ASN1_R_UNABLE_TO_DECODE_RSA_KEY 138
#define ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY 139
#define ASN1_R_UNKNOWN_ATTRIBUTE_TYPE 140
+#define ASN1_R_UNKNOWN_FORMAT 162
#define ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM 141
#define ASN1_R_UNKNOWN_OBJECT_TYPE 142
#define ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE 143
{ERR_PACK(0,ASN1_F_ASN1_DUP,0), "ASN1_dup"},
{ERR_PACK(0,ASN1_F_ASN1_ENUMERATED_SET,0), "ASN1_ENUMERATED_set"},
{ERR_PACK(0,ASN1_F_ASN1_ENUMERATED_TO_BN,0), "ASN1_ENUMERATED_to_BN"},
-{ERR_PACK(0,ASN1_F_ASN1_GENERALIZEDTIME_NEW,0), "ASN1_GENERALIZEDTIME_NEW"},
+{ERR_PACK(0,ASN1_F_ASN1_GENERALIZEDTIME_NEW,0), "ASN1_GENERALIZEDTIME_new"},
{ERR_PACK(0,ASN1_F_ASN1_GET_OBJECT,0), "ASN1_get_object"},
{ERR_PACK(0,ASN1_F_ASN1_HEADER_NEW,0), "ASN1_HEADER_new"},
{ERR_PACK(0,ASN1_F_ASN1_I2D_BIO,0), "ASN1_i2d_bio"},
{ERR_PACK(0,ASN1_F_ASN1_I2D_FP,0), "ASN1_i2d_fp"},
{ERR_PACK(0,ASN1_F_ASN1_INTEGER_SET,0), "ASN1_INTEGER_set"},
{ERR_PACK(0,ASN1_F_ASN1_INTEGER_TO_BN,0), "ASN1_INTEGER_to_BN"},
+{ERR_PACK(0,ASN1_F_ASN1_MBSTRING_COPY,0), "ASN1_mbstring_copy"},
{ERR_PACK(0,ASN1_F_ASN1_OBJECT_NEW,0), "ASN1_OBJECT_new"},
{ERR_PACK(0,ASN1_F_ASN1_PACK_STRING,0), "ASN1_pack_string"},
{ERR_PACK(0,ASN1_F_ASN1_PBE_SET,0), "ASN1_PBE_SET"},
{ERR_PACK(0,ASN1_F_ASN1_TYPE_GET_OCTETSTRING,0), "ASN1_TYPE_get_octetstring"},
{ERR_PACK(0,ASN1_F_ASN1_TYPE_NEW,0), "ASN1_TYPE_new"},
{ERR_PACK(0,ASN1_F_ASN1_UNPACK_STRING,0), "ASN1_unpack_string"},
-{ERR_PACK(0,ASN1_F_ASN1_UTCTIME_NEW,0), "ASN1_UTCTIME_NEW"},
+{ERR_PACK(0,ASN1_F_ASN1_UTCTIME_NEW,0), "ASN1_UTCTIME_new"},
{ERR_PACK(0,ASN1_F_ASN1_VERIFY,0), "ASN1_verify"},
{ERR_PACK(0,ASN1_F_AUTHORITY_KEYID_NEW,0), "AUTHORITY_KEYID_new"},
{ERR_PACK(0,ASN1_F_BASIC_CONSTRAINTS_NEW,0), "BASIC_CONSTRAINTS_new"},
{ASN1_R_FIRST_NUM_TOO_LARGE ,"first num too large"},
{ASN1_R_GENERALIZEDTIME_TOO_LONG ,"generalizedtime too long"},
{ASN1_R_HEADER_TOO_LONG ,"header too long"},
+{ASN1_R_ILLEGAL_CHARACTERS ,"illegal characters"},
+{ASN1_R_INVALID_BMPSTRING_LENGTH ,"invalid bmpstring length"},
{ASN1_R_INVALID_DIGIT ,"invalid digit"},
{ASN1_R_INVALID_SEPARATOR ,"invalid separator"},
{ASN1_R_INVALID_TIME_FORMAT ,"invalid time format"},
+{ASN1_R_INVALID_UNIVERSALSTRING_LENGTH ,"invalid universalstring length"},
+{ASN1_R_INVALID_UTF8STRING ,"invalid utf8string"},
{ASN1_R_IV_TOO_LARGE ,"iv too large"},
{ASN1_R_LENGTH_ERROR ,"length error"},
{ASN1_R_MISSING_SECOND_NUMBER ,"missing second number"},
{ASN1_R_UNABLE_TO_DECODE_RSA_KEY ,"unable to decode rsa key"},
{ASN1_R_UNABLE_TO_DECODE_RSA_PRIVATE_KEY ,"unable to decode rsa private key"},
{ASN1_R_UNKNOWN_ATTRIBUTE_TYPE ,"unknown attribute type"},
+{ASN1_R_UNKNOWN_FORMAT ,"unknown format"},
{ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM ,"unknown message digest algorithm"},
{ASN1_R_UNKNOWN_OBJECT_TYPE ,"unknown object type"},
{ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE ,"unknown public key type"},
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