-/* crypto/x509/x509_obj.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
-#include "lhash.h"
-#include "objects.h"
-#include "x509.h"
-#include "buffer.h"
+#include "internal/cryptlib.h"
+#include <openssl/lhash.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/buffer.h>
+#include "internal/x509_int.h"
-char *X509_NAME_oneline(a,buf,len)
-X509_NAME *a;
-char *buf;
-int len;
- {
- X509_NAME_ENTRY *ne;
- unsigned int i;
- int n,lold,l,l1,l2,num,j,type;
- const char *s;
- char *p;
- unsigned char *q;
- BUF_MEM *b=NULL;
- static char hex[17]="0123456789ABCDEF";
- int gs_doit[4];
- char tmp_buf[80];
+/*
+ * Limit to ensure we don't overflow: much greater than
+ * anything enountered in practice.
+ */
+
+#define NAME_ONELINE_MAX (1024 * 1024)
- if (buf == NULL)
- {
- if ((b=BUF_MEM_new()) == NULL) goto err;
- if (!BUF_MEM_grow(b,200)) goto err;
- b->data[0]='\0';
- len=200;
- }
- if (a == NULL)
- {
- if(b)
- {
- buf=b->data;
- Free(b);
- }
- strncpy(buf,"NO X509_NAME",len);
- return buf;
- }
+char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
+{
+ X509_NAME_ENTRY *ne;
+ int i;
+ int n, lold, l, l1, l2, num, j, type;
+ const char *s;
+ char *p;
+ unsigned char *q;
+ BUF_MEM *b = NULL;
+ static const char hex[17] = "0123456789ABCDEF";
+ int gs_doit[4];
+ char tmp_buf[80];
+#ifdef CHARSET_EBCDIC
+ unsigned char ebcdic_buf[1024];
+#endif
- len--; /* space for '\0' */
- l=0;
- for (i=0; (int)i<sk_num(a->entries); i++)
- {
- ne=(X509_NAME_ENTRY *)sk_value(a->entries,i);
- n=OBJ_obj2nid(ne->object);
- if ((n == NID_undef) || ((s=OBJ_nid2sn(n)) == NULL))
- {
- i2t_ASN1_OBJECT(tmp_buf,sizeof(tmp_buf),ne->object);
- s=tmp_buf;
- }
- l1=strlen(s);
+ if (buf == NULL) {
+ if ((b = BUF_MEM_new()) == NULL)
+ goto err;
+ if (!BUF_MEM_grow(b, 200))
+ goto err;
+ b->data[0] = '\0';
+ len = 200;
+ } else if (len == 0) {
+ return NULL;
+ }
+ if (a == NULL) {
+ if (b) {
+ buf = b->data;
+ OPENSSL_free(b);
+ }
+ strncpy(buf, "NO X509_NAME", len);
+ buf[len - 1] = '\0';
+ return buf;
+ }
- type=ne->value->type;
- num=ne->value->length;
- q=ne->value->data;
+ len--; /* space for '\0' */
+ l = 0;
+ for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
+ ne = sk_X509_NAME_ENTRY_value(a->entries, i);
+ n = OBJ_obj2nid(ne->object);
+ if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
+ i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
+ s = tmp_buf;
+ }
+ l1 = strlen(s);
- if ((type == V_ASN1_GENERALSTRING) && ((num%4) == 0))
- {
- gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=0;
- for (j=0; j<num; j++)
- if (q[j] != 0) gs_doit[j&3]=1;
+ type = ne->value->type;
+ num = ne->value->length;
+ if (num > NAME_ONELINE_MAX) {
+ X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
+ goto end;
+ }
+ q = ne->value->data;
+#ifdef CHARSET_EBCDIC
+ if (type == V_ASN1_GENERALSTRING ||
+ type == V_ASN1_VISIBLESTRING ||
+ type == V_ASN1_PRINTABLESTRING ||
+ type == V_ASN1_TELETEXSTRING ||
+ type == V_ASN1_IA5STRING) {
+ if (num > (int)sizeof(ebcdic_buf))
+ num = sizeof(ebcdic_buf);
+ ascii2ebcdic(ebcdic_buf, q, num);
+ q = ebcdic_buf;
+ }
+#endif
- if (gs_doit[0]|gs_doit[1]|gs_doit[2])
- gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
- else
- {
- gs_doit[0]=gs_doit[1]=gs_doit[2]=0;
- gs_doit[3]=1;
- }
- }
- else
- gs_doit[0]=gs_doit[1]=gs_doit[2]=gs_doit[3]=1;
+ if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
+ gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
+ for (j = 0; j < num; j++)
+ if (q[j] != 0)
+ gs_doit[j & 3] = 1;
- for (l2=j=0; j<num; j++)
- {
- if (!gs_doit[j&3]) continue;
- l2++;
- if ((q[j] < ' ') || (q[j] > '~')) l2+=3;
- }
+ if (gs_doit[0] | gs_doit[1] | gs_doit[2])
+ gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
+ else {
+ gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
+ gs_doit[3] = 1;
+ }
+ } else
+ gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
- lold=l;
- l+=1+l1+1+l2;
- if (b != NULL)
- {
- if (!BUF_MEM_grow(b,l+1)) goto err;
- p= &(b->data[lold]);
- }
- else if (l > len)
- {
- break;
- }
- else
- p= &(buf[lold]);
- *(p++)='/';
- memcpy(p,s,(unsigned int)l1); p+=l1;
- *(p++)='=';
+ for (l2 = j = 0; j < num; j++) {
+ if (!gs_doit[j & 3])
+ continue;
+ l2++;
+#ifndef CHARSET_EBCDIC
+ if ((q[j] < ' ') || (q[j] > '~'))
+ l2 += 3;
+#else
+ if ((os_toascii[q[j]] < os_toascii[' ']) ||
+ (os_toascii[q[j]] > os_toascii['~']))
+ l2 += 3;
+#endif
+ }
- q=ne->value->data;
+ lold = l;
+ l += 1 + l1 + 1 + l2;
+ if (l > NAME_ONELINE_MAX) {
+ X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
+ goto end;
+ }
+ if (b != NULL) {
+ if (!BUF_MEM_grow(b, l + 1))
+ goto err;
+ p = &(b->data[lold]);
+ } else if (l > len) {
+ break;
+ } else
+ p = &(buf[lold]);
+ *(p++) = '/';
+ memcpy(p, s, (unsigned int)l1);
+ p += l1;
+ *(p++) = '=';
- for (j=0; j<num; j++)
- {
- if (!gs_doit[j&3]) continue;
- n=q[j];
- if ((n < ' ') || (n > '~'))
- {
- *(p++)='\\';
- *(p++)='x';
- *(p++)=hex[(n>>4)&0x0f];
- *(p++)=hex[n&0x0f];
- }
- else
- *(p++)=n;
- }
- *p='\0';
- }
- if (b != NULL)
- {
- p=b->data;
- Free(b);
- }
- else
- p=buf;
- return(p);
-err:
- X509err(X509_F_X509_NAME_ONELINE,ERR_R_MALLOC_FAILURE);
- if (b != NULL) BUF_MEM_free(b);
- return(NULL);
- }
+#ifndef CHARSET_EBCDIC /* q was assigned above already. */
+ q = ne->value->data;
+#endif
+ for (j = 0; j < num; j++) {
+ if (!gs_doit[j & 3])
+ continue;
+#ifndef CHARSET_EBCDIC
+ n = q[j];
+ if ((n < ' ') || (n > '~')) {
+ *(p++) = '\\';
+ *(p++) = 'x';
+ *(p++) = hex[(n >> 4) & 0x0f];
+ *(p++) = hex[n & 0x0f];
+ } else
+ *(p++) = n;
+#else
+ n = os_toascii[q[j]];
+ if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
+ *(p++) = '\\';
+ *(p++) = 'x';
+ *(p++) = hex[(n >> 4) & 0x0f];
+ *(p++) = hex[n & 0x0f];
+ } else
+ *(p++) = q[j];
+#endif
+ }
+ *p = '\0';
+ }
+ if (b != NULL) {
+ p = b->data;
+ OPENSSL_free(b);
+ } else
+ p = buf;
+ if (i == 0)
+ *p = '\0';
+ return (p);
+ err:
+ X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
+ end:
+ BUF_MEM_free(b);
+ return (NULL);
+}
projects / openssl.git / blobdiff