--- /dev/null
+/* v3_utl.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 <ctype.h>
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+
+/* hex string utilities */
+
+/* Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its
+ * hex representation
+ * @@@ (Contents of buffer are always kept in ASCII, also on EBCDIC machines)
+ */
+
+char *hex_to_string(unsigned char *buffer, long len)
+{
+ char *tmp, *q;
+ unsigned char *p;
+ int i;
+ static char hexdig[] = "0123456789ABCDEF";
+ if(!buffer || !len) return NULL;
+ if(!(tmp = OPENSSL_malloc(len * 3 + 1))) {
+ X509V3err(X509V3_F_HEX_TO_STRING,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ q = tmp;
+ for(i = 0, p = buffer; i < len; i++,p++) {
+ *q++ = hexdig[(*p >> 4) & 0xf];
+ *q++ = hexdig[*p & 0xf];
+ *q++ = ':';
+ }
+ q[-1] = 0;
+#ifdef CHARSET_EBCDIC
+ ebcdic2ascii(tmp, tmp, q - tmp - 1);
+#endif
+
+ return tmp;
+}
+
+/* Give a string of hex digits convert to
+ * a buffer
+ */
+
+unsigned char *string_to_hex(char *str, long *len)
+{
+ unsigned char *hexbuf, *q;
+ unsigned char ch, cl, *p;
+ if(!str) {
+ X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_INVALID_NULL_ARGUMENT);
+ return NULL;
+ }
+ if(!(hexbuf = OPENSSL_malloc(strlen(str) >> 1))) goto err;
+ for(p = (unsigned char *)str, q = hexbuf; *p;) {
+ ch = *p++;
+#ifdef CHARSET_EBCDIC
+ ch = os_toebcdic[ch];
+#endif
+ if(ch == ':') continue;
+ cl = *p++;
+#ifdef CHARSET_EBCDIC
+ cl = os_toebcdic[cl];
+#endif
+ if(!cl) {
+ X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ODD_NUMBER_OF_DIGITS);
+ OPENSSL_free(hexbuf);
+ return NULL;
+ }
+ if(isupper(ch)) ch = tolower(ch);
+ if(isupper(cl)) cl = tolower(cl);
+
+ if((ch >= '0') && (ch <= '9')) ch -= '0';
+ else if ((ch >= 'a') && (ch <= 'f')) ch -= 'a' - 10;
+ else goto badhex;
+
+ if((cl >= '0') && (cl <= '9')) cl -= '0';
+ else if ((cl >= 'a') && (cl <= 'f')) cl -= 'a' - 10;
+ else goto badhex;
+
+ *q++ = (ch << 4) | cl;
+ }
+
+ if(len) *len = q - hexbuf;
+
+ return hexbuf;
+
+ err:
+ if(hexbuf) OPENSSL_free(hexbuf);
+ X509V3err(X509V3_F_STRING_TO_HEX,ERR_R_MALLOC_FAILURE);
+ return NULL;
+
+ badhex:
+ OPENSSL_free(hexbuf);
+ X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ILLEGAL_HEX_DIGIT);
+ return NULL;
+
+}
return p;
}
-/* hex string utilities */
-
-/* Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its
- * hex representation
- * @@@ (Contents of buffer are always kept in ASCII, also on EBCDIC machines)
- */
-
-char *hex_to_string(unsigned char *buffer, long len)
-{
- char *tmp, *q;
- unsigned char *p;
- int i;
- static char hexdig[] = "0123456789ABCDEF";
- if(!buffer || !len) return NULL;
- if(!(tmp = OPENSSL_malloc(len * 3 + 1))) {
- X509V3err(X509V3_F_HEX_TO_STRING,ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- q = tmp;
- for(i = 0, p = buffer; i < len; i++,p++) {
- *q++ = hexdig[(*p >> 4) & 0xf];
- *q++ = hexdig[*p & 0xf];
- *q++ = ':';
- }
- q[-1] = 0;
-#ifdef CHARSET_EBCDIC
- ebcdic2ascii(tmp, tmp, q - tmp - 1);
-#endif
-
- return tmp;
-}
-
-/* Give a string of hex digits convert to
- * a buffer
- */
-
-unsigned char *string_to_hex(char *str, long *len)
-{
- unsigned char *hexbuf, *q;
- unsigned char ch, cl, *p;
- if(!str) {
- X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_INVALID_NULL_ARGUMENT);
- return NULL;
- }
- if(!(hexbuf = OPENSSL_malloc(strlen(str) >> 1))) goto err;
- for(p = (unsigned char *)str, q = hexbuf; *p;) {
- ch = *p++;
-#ifdef CHARSET_EBCDIC
- ch = os_toebcdic[ch];
-#endif
- if(ch == ':') continue;
- cl = *p++;
-#ifdef CHARSET_EBCDIC
- cl = os_toebcdic[cl];
-#endif
- if(!cl) {
- X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ODD_NUMBER_OF_DIGITS);
- OPENSSL_free(hexbuf);
- return NULL;
- }
- if(isupper(ch)) ch = tolower(ch);
- if(isupper(cl)) cl = tolower(cl);
-
- if((ch >= '0') && (ch <= '9')) ch -= '0';
- else if ((ch >= 'a') && (ch <= 'f')) ch -= 'a' - 10;
- else goto badhex;
-
- if((cl >= '0') && (cl <= '9')) cl -= '0';
- else if ((cl >= 'a') && (cl <= 'f')) cl -= 'a' - 10;
- else goto badhex;
-
- *q++ = (ch << 4) | cl;
- }
-
- if(len) *len = q - hexbuf;
-
- return hexbuf;
-
- err:
- if(hexbuf) OPENSSL_free(hexbuf);
- X509V3err(X509V3_F_STRING_TO_HEX,ERR_R_MALLOC_FAILURE);
- return NULL;
-
- badhex:
- OPENSSL_free(hexbuf);
- X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ILLEGAL_HEX_DIGIT);
- return NULL;
-
-}
-
/* V2I name comparison function: returns zero if 'name' matches
* cmp or cmp.*
*/