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/* * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include <stdio.h> #include "internal/cryptlib.h" #include <openssl/asn1.h> #include <openssl/asn1t.h> #include <openssl/conf.h> #include <openssl/x509v3.h> #include "ext_dat.h" static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist); static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); const X509V3_EXT_METHOD v3_bcons = { NID_basic_constraints, 0, ASN1_ITEM_ref(BASIC_CONSTRAINTS), 0, 0, 0, 0, 0, 0, (X509V3_EXT_I2V) i2v_BASIC_CONSTRAINTS, (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS, NULL, NULL, NULL }; ASN1_SEQUENCE(BASIC_CONSTRAINTS) = { ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN), ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER) } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS) IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS) static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist) { X509V3_add_value_bool("CA", bcons->ca, &extlist); X509V3_add_value_int("pathlen", bcons->pathlen, &extlist); return extlist; } static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) { BASIC_CONSTRAINTS *bcons = NULL; CONF_VALUE *val; int i; if ((bcons = BASIC_CONSTRAINTS_new()) == NULL) { X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE); return NULL; } for (i = 0; i < sk_CONF_VALUE_num(values); i++) { val = sk_CONF_VALUE_value(values, i); if (strcmp(val->name, "CA") == 0) { if (!X509V3_get_value_bool(val, &bcons->ca)) goto err; } else if (strcmp(val->name, "pathlen") == 0) { if (!X509V3_get_value_int(val, &bcons->pathlen)) goto err; } else { X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME); X509V3_conf_err(val); goto err; } } return bcons; err: BASIC_CONSTRAINTS_free(bcons); return NULL; }