/* a_strex.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
#include <stdio.h>
#include <string.h>
+#include "cryptlib.h"
#include <openssl/crypto.h>
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include "charmap.h"
-#include "cryptlib.h"
/* ASN1_STRING_print_ex() and X509_NAME_print_ex().
* Enhanced string and name printing routines handling
#define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253)
+#define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \
+ ASN1_STRFLGS_ESC_QUOTE | \
+ ASN1_STRFLGS_ESC_CTRL | \
+ ASN1_STRFLGS_ESC_MSB)
+
/* Three IO functions for sending data to memory, a BIO and
* and a FILE pointer.
if(!io_ch(arg, tmphex, 3)) return -1;
return 3;
}
+ /* If we get this far and do any escaping at all must escape
+ * the escape character itself: backslash.
+ */
+ if (chtmp == '\\' && flags & ESC_FLAGS) {
+ if(!io_ch(arg, "\\\\", 2)) return -1;
+ return 2;
+ }
if(!io_ch(arg, &chtmp, 1)) return -1;
return 1;
}
q = buf + buflen;
outlen = 0;
while(p != q) {
- if(p == buf) orflags = CHARTYPE_FIRST_ESC_2253;
+ if(p == buf && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_FIRST_ESC_2253;
else orflags = 0;
switch(type & BUF_TYPE_WIDTH_MASK) {
case 4:
if(i < 0) return -1; /* Invalid UTF8String */
p += i;
break;
+ default:
+ return -1; /* invalid width */
}
- if (p == q) orflags = CHARTYPE_LAST_ESC_2253;
+ if (p == q && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_LAST_ESC_2253;
if(type & BUF_TYPE_CONVUTF8) {
unsigned char utfbuf[6];
int utflen;
static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, int buflen)
{
- const static char hexdig[] = "0123456789ABCDEF";
+ static const char hexdig[] = "0123456789ABCDEF";
unsigned char *p, *q;
char hextmp[2];
if(arg) {
* otherwise it is the number of bytes per character
*/
-const static signed char tag2nbyte[] = {
+static const signed char tag2nbyte[] = {
-1, -1, -1, -1, -1, /* 0-4 */
-1, -1, -1, -1, -1, /* 5-9 */
-1, -1, 0, -1, /* 10-13 */
-1, -1, -1, -1, /* 15-17 */
-1, 1, 1, /* 18-20 */
- -1, 1, -1,-1, /* 21-24 */
+ -1, 1, 1, 1, /* 21-24 */
-1, 1, -1, /* 25-27 */
4, -1, 2 /* 28-30 */
};
-#define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \
- ASN1_STRFLGS_ESC_QUOTE | \
- ASN1_STRFLGS_ESC_CTRL | \
- ASN1_STRFLGS_ESC_MSB)
-
/* This is the main function, print out an
* ASN1_STRING taking note of various escape
* and display options. Returns number of
}
len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL);
- if(outlen < 0) return -1;
+ if(len < 0) return -1;
outlen += len;
if(quotes) outlen += 2;
if(!arg) return outlen;
if(quotes && !io_ch(arg, "\"", 1)) return -1;
- do_buf(str->data, str->length, type, flags, NULL, io_ch, arg);
+ if(do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0)
+ return -1;
if(quotes && !io_ch(arg, "\"", 1)) return -1;
return outlen;
}
return do_name_ex(send_bio_chars, out, nm, indent, flags);
}
-
+#ifndef OPENSSL_NO_FP_API
int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags)
{
if(flags == XN_FLAG_COMPAT)
}
return do_name_ex(send_fp_chars, fp, nm, indent, flags);
}
+#endif
int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags)
{
return do_print_ex(send_bio_chars, out, flags, str);
}
-
+#ifndef OPENSSL_NO_FP_API
int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags)
{
return do_print_ex(send_fp_chars, fp, flags, str);
}
+#endif
/* Utility function: convert any string type to UTF8, returns number of bytes
* in output string or a negative error code