diff options
Diffstat (limited to 'lib/libcrypto/asn1/x_exten.c')
| -rw-r--r-- | lib/libcrypto/asn1/x_exten.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/lib/libcrypto/asn1/x_exten.c b/lib/libcrypto/asn1/x_exten.c new file mode 100644 index 00000000000..54ffe2f00b2 --- /dev/null +++ b/lib/libcrypto/asn1/x_exten.c @@ -0,0 +1,156 @@ +/* crypto/asn1/x_exten.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 "objects.h" +#include "asn1_mac.h" + +/* + * ASN1err(ASN1_F_D2I_X509_EXTENSION,ASN1_R_LENGTH_MISMATCH); + * ASN1err(ASN1_F_X509_EXTENSION_NEW,ASN1_R_LENGTH_MISMATCH); + */ + +int i2d_X509_EXTENSION(a,pp) +X509_EXTENSION *a; +unsigned char **pp; + { + int k=0; + int r=0,ret=0; + unsigned char **p=NULL; + + if (a == NULL) return(0); + + p=NULL; + for (;;) + { + if (k) + { + r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE); + if (pp == NULL) return(r); + p=pp; + ASN1_put_object(p,1,ret,V_ASN1_SEQUENCE, + V_ASN1_UNIVERSAL); + } + + ret+=i2d_ASN1_OBJECT(a->object,p); + if ((a->critical) || a->netscape_hack) + ret+=i2d_ASN1_BOOLEAN(a->critical,p); + ret+=i2d_ASN1_OCTET_STRING(a->value,p); + if (k++) return(r); + } + } + +X509_EXTENSION *d2i_X509_EXTENSION(a,pp,length) +X509_EXTENSION **a; +unsigned char **pp; +long length; + { + int i; + M_ASN1_D2I_vars(a,X509_EXTENSION *,X509_EXTENSION_new); + + M_ASN1_D2I_Init(); + M_ASN1_D2I_start_sequence(); + M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT); + + if ((ret->argp != NULL) && (ret->ex_free != NULL)) + ret->ex_free(ret); + ret->argl=0; + ret->argp=NULL; + ret->netscape_hack=0; + if ((c.slen != 0) && + (M_ASN1_next == (V_ASN1_UNIVERSAL|V_ASN1_BOOLEAN))) + { + c.q=c.p; + if (d2i_ASN1_BOOLEAN(&i,&c.p,c.slen) < 0) goto err; + ret->critical=i; + c.slen-=(c.p-c.q); + if (ret->critical == 0) ret->netscape_hack=1; + } + M_ASN1_D2I_get(ret->value,d2i_ASN1_OCTET_STRING); + + M_ASN1_D2I_Finish(a,X509_EXTENSION_free,ASN1_F_D2I_X509_EXTENSION); + } + +X509_EXTENSION *X509_EXTENSION_new() + { + X509_EXTENSION *ret=NULL; + + M_ASN1_New_Malloc(ret,X509_EXTENSION); + M_ASN1_New(ret->object,ASN1_OBJECT_new); + M_ASN1_New(ret->value,ASN1_OCTET_STRING_new); + ret->critical=0; + ret->netscape_hack=0; + ret->argl=0L; + ret->argp=NULL; + ret->ex_free=NULL; + return(ret); + M_ASN1_New_Error(ASN1_F_X509_EXTENSION_NEW); + } + +void X509_EXTENSION_free(a) +X509_EXTENSION *a; + { + if (a == NULL) return; + if ((a->argp != NULL) && (a->ex_free != NULL)) + a->ex_free(a); + ASN1_OBJECT_free(a->object); + ASN1_OCTET_STRING_free(a->value); + Free((char *)a); + } + |