/* v3_sxnet.c */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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/conf.h> #include <openssl/asn1.h> #include <openssl/asn1t.h> #include <openssl/x509v3.h> /* Support for Thawte strong extranet extension */ #define SXNET_TEST static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent); #ifdef SXNET_TEST static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval); #endif const X509V3_EXT_METHOD v3_sxnet = { NID_sxnet, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(SXNET), 0,0,0,0, 0,0, 0, #ifdef SXNET_TEST (X509V3_EXT_V2I)sxnet_v2i, #else 0, #endif (X509V3_EXT_I2R)sxnet_i2r, 0, NULL }; ASN1_SEQUENCE(SXNETID) = { ASN1_SIMPLE(SXNETID, zone, ASN1_INTEGER), ASN1_SIMPLE(SXNETID, user, ASN1_OCTET_STRING) } ASN1_SEQUENCE_END(SXNETID) IMPLEMENT_ASN1_FUNCTIONS(SXNETID) ASN1_SEQUENCE(SXNET) = { ASN1_SIMPLE(SXNET, version, ASN1_INTEGER), ASN1_SEQUENCE_OF(SXNET, ids, SXNETID) } ASN1_SEQUENCE_END(SXNET) IMPLEMENT_ASN1_FUNCTIONS(SXNET) static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent) { long v; char *tmp; SXNETID *id; int i; v = ASN1_INTEGER_get(sx->version); BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v); for(i = 0; i < sk_SXNETID_num(sx->ids); i++) { id = sk_SXNETID_value(sx->ids, i); tmp = i2s_ASN1_INTEGER(NULL, id->zone); BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp); OPENSSL_free(tmp); M_ASN1_OCTET_STRING_print(out, id->user); } return 1; } #ifdef SXNET_TEST /* NBB: this is used for testing only. It should *not* be used for anything * else because it will just take static IDs from the configuration file and * they should really be separate values for each user. */ static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval) { CONF_VALUE *cnf; SXNET *sx = NULL; int i; for(i = 0; i < sk_CONF_VALUE_num(nval); i++) { cnf = sk_CONF_VALUE_value(nval, i); if(!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1)) return NULL; } return sx; } #endif /* Strong Extranet utility functions */ /* Add an id given the zone as an ASCII number */ int SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen) { ASN1_INTEGER *izone = NULL; if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) { X509V3err(X509V3_F_SXNET_ADD_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE); return 0; } return SXNET_add_id_INTEGER(psx, izone, user, userlen); } /* Add an id given the zone as an unsigned long */ int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen) { ASN1_INTEGER *izone = NULL; if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) { X509V3err(X509V3_F_SXNET_ADD_ID_ULONG,ERR_R_MALLOC_FAILURE); M_ASN1_INTEGER_free(izone); return 0; } return SXNET_add_id_INTEGER(psx, izone, user, userlen); } /* Add an id given the zone as an ASN1_INTEGER. * Note this version uses the passed integer and doesn't make a copy so don't * free it up afterwards. */ int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, char *user, int userlen) { SXNET *sx = NULL; SXNETID *id = NULL; if(!psx || !zone || !user) { X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_INVALID_NULL_ARGUMENT); return 0; } if(userlen == -1) userlen = strlen(user); if(userlen > 64) { X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_USER_TOO_LONG); return 0; } if(!*psx) { if(!(sx = SXNET_new())) goto err; if(!ASN1_INTEGER_set(sx->version, 0)) goto err; *psx = sx; } else sx = *psx; if(SXNET_get_id_INTEGER(sx, zone)) { X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,X509V3_R_DUPLICATE_ZONE_ID); return 0; } if(!(id = SXNETID_new())) goto err; if(userlen == -1) userlen = strlen(user); if(!M_ASN1_OCTET_STRING_set(id->user, user, userlen)) goto err; if(!sk_SXNETID_push(sx->ids, id)) goto err; id->zone = zone; return 1; err: X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,ERR_R_MALLOC_FAILURE); SXNETID_free(id); SXNET_free(sx); *psx = NULL; return 0; } ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone) { ASN1_INTEGER *izone = NULL; ASN1_OCTET_STRING *oct; if(!(izone = s2i_ASN1_INTEGER(NULL, zone))) { X509V3err(X509V3_F_SXNET_GET_ID_ASC,X509V3_R_ERROR_CONVERTING_ZONE); return NULL; } oct = SXNET_get_id_INTEGER(sx, izone); M_ASN1_INTEGER_free(izone); return oct; } ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone) { ASN1_INTEGER *izone = NULL; ASN1_OCTET_STRING *oct; if(!(izone = M_ASN1_INTEGER_new()) || !ASN1_INTEGER_set(izone, lzone)) { X509V3err(X509V3_F_SXNET_GET_ID_ULONG,ERR_R_MALLOC_FAILURE); M_ASN1_INTEGER_free(izone); return NULL; } oct = SXNET_get_id_INTEGER(sx, izone); M_ASN1_INTEGER_free(izone); return oct; } ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone) { SXNETID *id; int i; for(i = 0; i < sk_SXNETID_num(sx->ids); i++) { id = sk_SXNETID_value(sx->ids, i); if(!M_ASN1_INTEGER_cmp(id->zone, zone)) return id->user; } return NULL; } IMPLEMENT_STACK_OF(SXNETID) IMPLEMENT_ASN1_SET_OF(SXNETID)