/* crypto/x509/x509pack.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * 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.] */ #include #include "stack.h" #include "cryptlib.h" #include "asn1.h" #include "objects.h" #include "evp.h" #include "x509.h" ASN1_OCTET_STRING *X509v3_pack_string(ex,type,bytes,len) ASN1_OCTET_STRING **ex; int type; unsigned char *bytes; int len; { ASN1_OCTET_STRING *os; ASN1_STRING str; unsigned char *p; int i; if ((ex == NULL) || (*ex == NULL)) os=ASN1_OCTET_STRING_new(); else os= *ex; if (len < 0) len=strlen((char *)bytes); str.length=len; str.type=type; str.data=bytes; /* str now holds the data, we just have to copy it into ->value */ switch (type) { case V_ASN1_BIT_STRING: i=i2d_ASN1_BIT_STRING((ASN1_BIT_STRING *)&str,NULL); if (!ASN1_STRING_set((ASN1_STRING *)os,NULL,i)) goto err; p=(unsigned char *)os->data; i2d_ASN1_BIT_STRING((ASN1_BIT_STRING *)&str,&p); break; case V_ASN1_OCTET_STRING: i=i2d_ASN1_OCTET_STRING((ASN1_OCTET_STRING *)&str,NULL); if (!ASN1_STRING_set((ASN1_STRING *)os,NULL,i)) goto err; p=(unsigned char *)os->data; i2d_ASN1_OCTET_STRING((ASN1_OCTET_STRING *)&str,&p); break; case V_ASN1_IA5STRING: case V_ASN1_PRINTABLESTRING: case V_ASN1_T61STRING: i=i2d_ASN1_bytes(&str,NULL,type,V_ASN1_UNIVERSAL); if (!ASN1_STRING_set((ASN1_STRING *)os,NULL,i)) goto err; p=(unsigned char *)os->data; i=i2d_ASN1_bytes(&str,&p,type,V_ASN1_UNIVERSAL); break; default: X509err(X509_F_X509V3_PACK_STRING,X509_R_UNKNOWN_STRING_TYPE); goto err; } os->length=i; if ((ex != NULL) && (os != *ex)) *ex=os; return(os); err: return(NULL); } ASN1_STRING *X509v3_unpack_string(ex,type,os) ASN1_STRING **ex; int type; ASN1_OCTET_STRING *os; { unsigned char *p; ASN1_STRING *ret=NULL; p=os->data; switch (type) { case V_ASN1_BIT_STRING: ret=(ASN1_STRING *)d2i_ASN1_BIT_STRING( (ASN1_BIT_STRING **)ex,&p,os->length); break; case V_ASN1_OCTET_STRING: ret=(ASN1_STRING *)d2i_ASN1_OCTET_STRING( (ASN1_BIT_STRING **)ex,&p,os->length); break; case V_ASN1_IA5STRING: case V_ASN1_PRINTABLESTRING: case V_ASN1_T61STRING: ret=(ASN1_STRING *)d2i_ASN1_PRINTABLE(ex,&p,os->length); break; default: X509err(X509_F_X509V3_UNPACK_STRING,X509_R_UNKNOWN_STRING_TYPE); } return(ret); }