/* crypto/asn1/x_x509.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 <stdio.h> #include "cryptlib.h" #include <openssl/evp.h> #include <openssl/asn1_mac.h> #include <openssl/x509.h> #include <openssl/x509v3.h> static int x509_meth_num = 0; static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_meth = NULL; static ASN1_METHOD meth={ (int (*)()) i2d_X509, (char *(*)())d2i_X509, (char *(*)())X509_new, (void (*)()) X509_free}; ASN1_METHOD *X509_asn1_meth(void) { return(&meth); } int i2d_X509(X509 *a, unsigned char **pp) { M_ASN1_I2D_vars(a); M_ASN1_I2D_len(a->cert_info, i2d_X509_CINF); M_ASN1_I2D_len(a->sig_alg, i2d_X509_ALGOR); M_ASN1_I2D_len(a->signature, i2d_ASN1_BIT_STRING); M_ASN1_I2D_seq_total(); M_ASN1_I2D_put(a->cert_info, i2d_X509_CINF); M_ASN1_I2D_put(a->sig_alg, i2d_X509_ALGOR); M_ASN1_I2D_put(a->signature, i2d_ASN1_BIT_STRING); M_ASN1_I2D_finish(); } X509 *d2i_X509(X509 **a, unsigned char **pp, long length) { M_ASN1_D2I_vars(a,X509 *,X509_new); M_ASN1_D2I_Init(); M_ASN1_D2I_start_sequence(); M_ASN1_D2I_get(ret->cert_info,d2i_X509_CINF); M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR); M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING); if (ret->name != NULL) OPENSSL_free(ret->name); ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0); M_ASN1_D2I_Finish(a,X509_free,ASN1_F_D2I_X509); } X509 *X509_new(void) { X509 *ret=NULL; ASN1_CTX c; M_ASN1_New_Malloc(ret,X509); ret->valid=0; ret->references=1; ret->name = NULL; ret->ex_flags = 0; ret->ex_pathlen = -1; ret->skid = NULL; ret->akid = NULL; ret->aux = NULL; M_ASN1_New(ret->cert_info,X509_CINF_new); M_ASN1_New(ret->sig_alg,X509_ALGOR_new); M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new); CRYPTO_new_ex_data(x509_meth, ret, &ret->ex_data); return(ret); M_ASN1_New_Error(ASN1_F_X509_NEW); } void X509_free(X509 *a) { int i; if (a == NULL) return; i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509); #ifdef REF_PRINT REF_PRINT("X509",a); #endif if (i > 0) return; #ifdef REF_CHECK if (i < 0) { fprintf(stderr,"X509_free, bad reference count\n"); abort(); } #endif CRYPTO_free_ex_data(x509_meth,a,&a->ex_data); X509_CINF_free(a->cert_info); X509_ALGOR_free(a->sig_alg); M_ASN1_BIT_STRING_free(a->signature); X509_CERT_AUX_free(a->aux); ASN1_OCTET_STRING_free(a->skid); AUTHORITY_KEYID_free(a->akid); if (a->name != NULL) OPENSSL_free(a->name); OPENSSL_free(a); } int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) { x509_meth_num++; return(CRYPTO_get_ex_new_index(x509_meth_num-1, &x509_meth,argl,argp,new_func,dup_func,free_func)); } int X509_set_ex_data(X509 *r, int idx, void *arg) { return(CRYPTO_set_ex_data(&r->ex_data,idx,arg)); } void *X509_get_ex_data(X509 *r, int idx) { return(CRYPTO_get_ex_data(&r->ex_data,idx)); } /* X509_AUX ASN1 routines. X509_AUX is the name given to * a certificate with extra info tagged on the end. Since these * functions set how a certificate is trusted they should only * be used when the certificate comes from a reliable source * such as local storage. * */ X509 *d2i_X509_AUX(X509 **a, unsigned char **pp, long length) { unsigned char *q; X509 *ret; /* Save start position */ q = *pp; ret = d2i_X509(a, pp, length); /* If certificate unreadable then forget it */ if(!ret) return NULL; /* update length */ length -= *pp - q; if(!length) return ret; if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err; return ret; err: X509_free(ret); return NULL; } int i2d_X509_AUX(X509 *a, unsigned char **pp) { int length; length = i2d_X509(a, pp); if(a) length += i2d_X509_CERT_AUX(a->aux, pp); return length; }