+++ /dev/null
-/* crypto/x509v3/v3_ku.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 <ctype.h>
-#include "stack.h"
-#include "cryptlib.h"
-#include "bio.h"
-#include "asn1.h"
-#include "objects.h"
-#include "x509.h"
-
-X509_EXTENSION_METHOD X509v3_key_usage_method=
- {
- NID_key_usage,
- ku_clear,
- ex_get_bool,
- ex_set_bool,
- NULL,
- NULL,
- NULL,
- NULL,
- ku_a2i,
- ku_i2a,
- };
-
-static void ku_clear(a)
-X509_EXTENSION *a;
- {
- }
-
-static int ku_expand(a)
-X509_EXTENSION *a;
- {
- ASN1_BIT_STRING *bs;
-
- if (a->argp == NULL)
- {
- bs=X509v3_unpack_string(NULL,V_ASN1_BIT_STRING,value);
- if (bs == NULL) return(0);
- a->argp=(char *)bs;
- a->ex_free=ASN1_STRING_free;
- }
- return(1);
- }
-
-static int ku_get_bool(a,num)
-X509_EXTENSION *a;
-int num;
- {
- int ret;
- ASN1_BIT_STRING *bs;
-
- if ((a->argp == NULL) && !ku_expand(a))
- return(-1);
- bs=(ASN1_BIT_STRING *)a->argp;
- ret=ASN1_BIT_STRING_get_bit(bs,num);
- return(ret);
- }
-
-static int ku_set_bool(a,num,value)
-X509_EXTENSION *a;
-int num;
-int value;
- {
- ASN1_BIT_STRING *a;
-
- if ((a->argp == NULL) && !ku_expand(a))
- return(0);
- bs=(ASN1_BIT_STRING *)a->argp;
- ret=ASN1_BIT_STRING_set_bit(bs,num,value);
- }
-
-static int ku_a2i(bio,a,buf,len)
-BIO *bio;
-X509_EXTENSION *a;
-char *buf;
-int len;
- {
- get token
- }
-
-static char ku_names[X509v3_N_KU_NUM]={
- X509v3_S_KU_digitalSignature,
- X509v3_S_KU_nonRepudiation,
- X509v3_S_KU_keyEncipherment,
- X509v3_S_KU_dataEncipherment,
- X509v3_S_KU_keyAgreement,
- X509v3_S_KU_keyCertSign,
- X509v3_S_KU_cRLSign,
- X509v3_S_KU_encipherOnly,
- X509v3_S_KU_decipherOnly,
- };
-
-static int ku_i2a(bio,a);
-BIO *bio;
-X509_EXTENSION *a;
- {
- int i,first=1;
- char *c;
-
- for (i=0; i<X509v3_N_KU_NUM; i++)
- {
- if (ku_get_bool(a,i) > 0)
- {
- BIO_printf(bio,"%s%s",((first)?"":" "),ku_names[i]);
- first=0;
- }
- }
- }
-
-/***********************/
-
-int X509v3_get_key_usage(x,ret)
-STACK *x;
-unsigned long *ret;
- {
- X509_EXTENSION *ext;
- ASN1_STRING *st;
- char *p;
- int i;
-
- i=X509_get_ext_by_NID(x,NID_key_usage,-1);
- if (i < 0) return(X509v3_KU_UNDEF);
- ext=X509_get_ext(x,i);
- st=X509v3_unpack_string(NULL,V_ASN1_BIT_STRING,
- X509_EXTENSION_get_data(X509_get_ext(x,i)));
-
- p=ASN1_STRING_data(st);
- if (ASN1_STRING_length(st) == 1)
- i=p[0];
- else if (ASN1_STRING_length(st) == 2)
- i=p[0]|(p[1]<<8);
- else
- i=0;
- return(i);
- }
-
-static struct
- {
- char *name;
- unsigned int value;
- } key_usage_data[] ={
- {"digitalSignature", X509v3_KU_DIGITAL_SIGNATURE},
- {"nonRepudiation", X509v3_KU_NON_REPUDIATION},
- {"keyEncipherment", X509v3_KU_KEY_ENCIPHERMENT},
- {"dataEncipherment", X509v3_KU_DATA_ENCIPHERMENT},
- {"keyAgreement", X509v3_KU_KEY_AGREEMENT},
- {"keyCertSign", X509v3_KU_KEY_CERT_SIGN},
- {"cRLSign", X509v3_KU_CRL_SIGN},
- {"encipherOnly", X509v3_KU_ENCIPHER_ONLY},
- {"decipherOnly", X509v3_KU_DECIPHER_ONLY},
- {NULL,0},
- };
-
-#if 0
-static int a2i_key_usage(x,str,len)
-X509 *x;
-char *str;
-int len;
- {
- return(X509v3_set_key_usage(x,a2i_X509v3_key_usage(str)));
- }
-
-static int i2a_key_usage(bp,x)
-BIO *bp;
-X509 *x;
- {
- return(i2a_X509v3_key_usage(bp,X509v3_get_key_usage(x)));
- }
-#endif
-
-int i2a_X509v3_key_usage(bp,use)
-BIO *bp;
-unsigned int use;
- {
- int i=0,first=1;
-
- for (;;)
- {
- if (use | key_usage_data[i].value)
- {
- BIO_printf(bp,"%s%s",((first)?"":" "),
- key_usage_data[i].name);
- first=0;
- }
- }
- return(1);
- }
-
-unsigned int a2i_X509v3_key_usage(p)
-char *p;
- {
- unsigned int ret=0;
- char *q,*s;
- int i,n;
-
- q=p;
- for (;;)
- {
- while ((*q != '\0') && isalnum(*q))
- q++;
- if (*q == '\0') break;
- s=q++;
- while (isalnum(*q))
- q++;
- n=q-s;
- i=0;
- for (;;)
- {
- if (strncmp(key_usage_data[i].name,s,n) == 0)
- {
- ret|=key_usage_data[i].value;
- break;
- }
- i++;
- if (key_usage_data[i].name == NULL)
- return(X509v3_KU_UNDEF);
- }
- }
- return(ret);
- }
-
-int X509v3_set_key_usage(x,use)
-X509 *x;
-unsigned int use;
- {
- ASN1_OCTET_STRING *os;
- X509_EXTENSION *ext;
- int i;
- unsigned char data[4];
-
- i=X509_get_ext_by_NID(x,NID_key_usage,-1);
- if (i < 0)
- {
- i=X509_get_ext_count(x)+1;
- if ((ext=X509_EXTENSION_new()) == NULL) return(0);
- if (!X509_add_ext(x,ext,i))
- {
- X509_EXTENSION_free(ext);
- return(0);
- }
- }
- else
- ext=X509_get_ext(x,i);
-
- /* fill in 'ext' */
- os=X509_EXTENSION_get_data(ext);
-
- i=0;
- if (use > 0)
- {
- i=1;
- data[0]=use&0xff;
- }
- if (use > 0xff)
- {
- i=2;
- data[1]=(use>>8)&0xff;
- }
- return((X509v3_pack_string(&os,V_ASN1_BIT_STRING,data,i) == NULL)?0:1);
- }
-
projects / oweals / openssl.git / commitdiff