X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fx509%2Fx509_obj.c;h=1229c01b6b4909d855145e58d95851cebe4c8e79;hp=c0576fd6f6f40e5bca9f1796dcc82ee2d6f72e04;hb=852c2ed260860b6b85c84f9fe96fb4d23d49c9f2;hpb=58964a492275ca9a59a0cd9c8155cb2491b4b909 diff --git a/crypto/x509/x509_obj.c b/crypto/x509/x509_obj.c index c0576fd6f6..1229c01b6b 100644 --- a/crypto/x509/x509_obj.c +++ b/crypto/x509/x509_obj.c @@ -1,179 +1,183 @@ -/* crypto/x509/x509_obj.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2017 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 Apache License 2.0 (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 -#include "cryptlib.h" -#include "lhash.h" -#include "objects.h" -#include "x509.h" -#include "buffer.h" +#include "internal/cryptlib.h" +#include +#include +#include +#include "crypto/x509.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; - char *s,*p; - unsigned char *q; - BUF_MEM *b=NULL; - static char hex[17]="0123456789ABCDEF"; - int gs_doit[4]; - char tmp_buf[80]; +DEFINE_STACK_OF(X509_NAME_ENTRY) - if (a == NULL) return("NO X509_NAME"); - 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; - } +/* + * Limit to ensure we don't overflow: much greater than + * anything encountered in practice. + */ + +#define NAME_ONELINE_MAX (1024 * 1024) + +char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len) +{ + const 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)ientries); 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; jvalue->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 '~')) 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 '~')) - { - *(p++)='\\'; - *(p++)='x'; - *(p++)=hex[(n>>4)&0x0f]; - *(p++)=hex[n&0x0f]; - } - else - *(p++)=n; - } - *p='\0'; - } - if (b != NULL) - { - p=b->data; - Free((char *)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; +}