diff options
Diffstat (limited to 'openssl/crypto/x509v3/v3_ncons.c')
| -rw-r--r-- | openssl/crypto/x509v3/v3_ncons.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/openssl/crypto/x509v3/v3_ncons.c b/openssl/crypto/x509v3/v3_ncons.c new file mode 100644 index 000000000..4e706be3e --- /dev/null +++ b/openssl/crypto/x509v3/v3_ncons.c @@ -0,0 +1,220 @@ +/* v3_ncons.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 2003 The OpenSSL Project. All rights reserved. + * + * 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 above 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 acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/asn1t.h> +#include <openssl/conf.h> +#include <openssl/x509v3.h> + +static void *v2i_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); +static int i2r_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method, + void *a, BIO *bp, int ind); +static int do_i2r_name_constraints(X509V3_EXT_METHOD *method, + STACK_OF(GENERAL_SUBTREE) *trees, + BIO *bp, int ind, char *name); +static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip); + +const X509V3_EXT_METHOD v3_name_constraints = { + NID_name_constraints, 0, + ASN1_ITEM_ref(NAME_CONSTRAINTS), + 0,0,0,0, + 0,0, + 0, v2i_NAME_CONSTRAINTS, + i2r_NAME_CONSTRAINTS,0, + NULL +}; + +ASN1_SEQUENCE(GENERAL_SUBTREE) = { + ASN1_SIMPLE(GENERAL_SUBTREE, base, GENERAL_NAME), + ASN1_IMP_OPT(GENERAL_SUBTREE, minimum, ASN1_INTEGER, 0), + ASN1_IMP_OPT(GENERAL_SUBTREE, maximum, ASN1_INTEGER, 1) +} ASN1_SEQUENCE_END(GENERAL_SUBTREE) + +ASN1_SEQUENCE(NAME_CONSTRAINTS) = { + ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, permittedSubtrees, + GENERAL_SUBTREE, 0), + ASN1_IMP_SEQUENCE_OF_OPT(NAME_CONSTRAINTS, excludedSubtrees, + GENERAL_SUBTREE, 1), +} ASN1_SEQUENCE_END(NAME_CONSTRAINTS) + + +IMPLEMENT_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE) +IMPLEMENT_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS) + +static void *v2i_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) + { + int i; + CONF_VALUE tval, *val; + STACK_OF(GENERAL_SUBTREE) **ptree = NULL; + NAME_CONSTRAINTS *ncons = NULL; + GENERAL_SUBTREE *sub = NULL; + ncons = NAME_CONSTRAINTS_new(); + if (!ncons) + goto memerr; + for(i = 0; i < sk_CONF_VALUE_num(nval); i++) + { + val = sk_CONF_VALUE_value(nval, i); + if (!strncmp(val->name, "permitted", 9) && val->name[9]) + { + ptree = &ncons->permittedSubtrees; + tval.name = val->name + 10; + } + else if (!strncmp(val->name, "excluded", 8) && val->name[8]) + { + ptree = &ncons->excludedSubtrees; + tval.name = val->name + 9; + } + else + { + X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, X509V3_R_INVALID_SYNTAX); + goto err; + } + tval.value = val->value; + sub = GENERAL_SUBTREE_new(); + if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1)) + goto err; + if (!*ptree) + *ptree = sk_GENERAL_SUBTREE_new_null(); + if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub)) + goto memerr; + sub = NULL; + } + + return ncons; + + memerr: + X509V3err(X509V3_F_V2I_NAME_CONSTRAINTS, ERR_R_MALLOC_FAILURE); + err: + if (ncons) + NAME_CONSTRAINTS_free(ncons); + if (sub) + GENERAL_SUBTREE_free(sub); + + return NULL; + } + + + + +static int i2r_NAME_CONSTRAINTS(X509V3_EXT_METHOD *method, + void *a, BIO *bp, int ind) + { + NAME_CONSTRAINTS *ncons = a; + do_i2r_name_constraints(method, ncons->permittedSubtrees, + bp, ind, "Permitted"); + do_i2r_name_constraints(method, ncons->excludedSubtrees, + bp, ind, "Excluded"); + return 1; + } + +static int do_i2r_name_constraints(X509V3_EXT_METHOD *method, + STACK_OF(GENERAL_SUBTREE) *trees, + BIO *bp, int ind, char *name) + { + GENERAL_SUBTREE *tree; + int i; + if (sk_GENERAL_SUBTREE_num(trees) > 0) + BIO_printf(bp, "%*s%s:\n", ind, "", name); + for(i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) + { + tree = sk_GENERAL_SUBTREE_value(trees, i); + BIO_printf(bp, "%*s", ind + 2, ""); + if (tree->base->type == GEN_IPADD) + print_nc_ipadd(bp, tree->base->d.ip); + else + GENERAL_NAME_print(bp, tree->base); + tree = sk_GENERAL_SUBTREE_value(trees, i); + BIO_puts(bp, "\n"); + } + return 1; + } + +static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip) + { + int i, len; + unsigned char *p; + p = ip->data; + len = ip->length; + BIO_puts(bp, "IP:"); + if(len == 8) + { + BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d", + p[0], p[1], p[2], p[3], + p[4], p[5], p[6], p[7]); + } + else if(len == 32) + { + for (i = 0; i < 16; i++) + { + BIO_printf(bp, "%X", p[0] << 8 | p[1]); + p += 2; + if (i == 7) + BIO_puts(bp, "/"); + else if (i != 15) + BIO_puts(bp, ":"); + } + } + else + BIO_printf(bp, "IP Address:<invalid>"); + return 1; + } + |