do_ext_i2d: free ext_der or ext_oct on error path
[openssl.git] / crypto / x509v3 / v3_conf.c
index 0427a3071e3aa326cc29dc246c76a8223fe0147d..6e9beeffed70c15752b1c3fa461928e1778b5fd9 100644 (file)
@@ -1,9 +1,9 @@
 /* v3_conf.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 1999.
  */
 /* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2002 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
 #include <stdio.h>
 #include <ctype.h>
 #include "cryptlib.h"
-#include "conf.h"
-#include "x509.h"
-#include "x509v3.h"
+#include <openssl/conf.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
 
-#ifndef NOPROTO
 static int v3_check_critical(char **value);
 static int v3_check_generic(char **value);
-static X509_EXTENSION *do_ext_conf(LHASH *conf, X509V3_CTX *ctx, int ext_nid, int crit, char *value);
-static X509_EXTENSION *v3_generic_extension(const char *ext, char *value, int crit, int type);
-#else
-static int v3_check_critical();
-static int v3_check_generic();
-static X509_EXTENSION *do_ext_conf();
-static X509V3_EXTENSION *v3_generic_extension();
-#endif
-
-X509_EXTENSION *X509V3_EXT_conf(conf, ctx, name, value)
-LHASH *conf;   /* Config file */
-X509V3_CTX *ctx;
-char *name;    /* Name */
-char *value;   /* Value */
-{
+static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid, int crit, char *value);
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value, int crit, int type, X509V3_CTX *ctx);
+static char *conf_lhash_get_string(void *db, char *section, char *value);
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section);
+static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid,
+                                 int crit, void *ext_struc);
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len);
+/* CONF *conf:  Config file    */
+/* char *name:  Name    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name,
+                                char *value)
+       {
        int crit;
        int ext_type;
        X509_EXTENSION *ret;
        crit = v3_check_critical(&value);
-       if((ext_type = v3_check_generic(&value))) 
-               return v3_generic_extension(name, value, crit, ext_type);
-       ret = do_ext_conf(conf, ctx, OBJ_sn2nid(name), crit, value);
-       if(!ret) {
-               X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_ERROR_IN_EXTENSION);
+       if ((ext_type = v3_check_generic(&value))) 
+               return v3_generic_extension(name, value, crit, ext_type, ctx);
+       ret = do_ext_nconf(conf, ctx, OBJ_sn2nid(name), crit, value);
+       if (!ret)
+               {
+               X509V3err(X509V3_F_X509V3_EXT_NCONF,X509V3_R_ERROR_IN_EXTENSION);
                ERR_add_error_data(4,"name=", name, ", value=", value);
-       }
+               }
        return ret;
-}
+       }
 
-X509_EXTENSION *X509V3_EXT_conf_nid(conf, ctx, ext_nid, value)
-LHASH *conf;   /* Config file */
-X509V3_CTX *ctx;
-int ext_nid;
-char *value;   /* Value */
-{
+/* CONF *conf:  Config file    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid,
+                                    char *value)
+       {
        int crit;
        int ext_type;
        crit = v3_check_critical(&value);
-       if((ext_type = v3_check_generic(&value))) 
+       if ((ext_type = v3_check_generic(&value))) 
                return v3_generic_extension(OBJ_nid2sn(ext_nid),
-                                                        value, crit, ext_type);
-       return do_ext_conf(conf, ctx, ext_nid, crit, value);
-}
+                                                value, crit, ext_type, ctx);
+       return do_ext_nconf(conf, ctx, ext_nid, crit, value);
+       }
 
-static X509_EXTENSION *do_ext_conf(conf, ctx, ext_nid, crit, value)
-LHASH *conf;   /* Config file */
-X509V3_CTX *ctx;
-int ext_nid;
-int crit;
-char *value;   /* Value */
-{
-       X509_EXTENSION *ext = NULL;
-       X509V3_EXT_METHOD *method;
-       STACK *nval;
-       char *ext_struc;
-       char *ext_der, *p;
-       int ext_len;
-       ASN1_OCTET_STRING *ext_oct;
-       if(ext_nid == NID_undef) {
-               X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
+/* CONF *conf:  Config file    */
+/* char *value:  Value    */
+static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
+                                   int crit, char *value)
+       {
+       const X509V3_EXT_METHOD *method;
+       X509_EXTENSION *ext;
+       STACK_OF(CONF_VALUE) *nval;
+       void *ext_struc;
+       if (ext_nid == NID_undef)
+               {
+               X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
                return NULL;
-       }
-       if(!(method = X509V3_EXT_get_nid(ext_nid))) {
-               X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION);
+               }
+       if (!(method = X509V3_EXT_get_nid(ext_nid)))
+               {
+               X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_UNKNOWN_EXTENSION);
                return NULL;
-       }
+               }
        /* Now get internal extension representation based on type */
-       if(method->v2i) {
-               if(*value == '@') nval = CONF_get_section(conf, value + 1);
+       if (method->v2i)
+               {
+               if(*value == '@') nval = NCONF_get_section(conf, value + 1);
                else nval = X509V3_parse_list(value);
-               if(!nval) {
-                       X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_INVALID_EXTENSION_STRING);
+               if(sk_CONF_VALUE_num(nval) <= 0)
+                       {
+                       X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_INVALID_EXTENSION_STRING);
                        ERR_add_error_data(4, "name=", OBJ_nid2sn(ext_nid), ",section=", value);
                        return NULL;
-               }
+                       }
                ext_struc = method->v2i(method, ctx, nval);
-               if(*value != '@') sk_pop_free(nval, X509V3_conf_free);
+               if(*value != '@') sk_CONF_VALUE_pop_free(nval,
+                                                        X509V3_conf_free);
                if(!ext_struc) return NULL;
-       } else if(method->s2i) {
+               }
+       else if(method->s2i)
+               {
                if(!(ext_struc = method->s2i(method, ctx, value))) return NULL;
-       } else {
-               X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
+               }
+       else if(method->r2i)
+               {
+               if(!ctx->db || !ctx->db_meth)
+                       {
+                       X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_NO_CONFIG_DATABASE);
+                       return NULL;
+                       }
+               if(!(ext_struc = method->r2i(method, ctx, value))) return NULL;
+               }
+       else
+               {
+               X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
                ERR_add_error_data(2, "name=", OBJ_nid2sn(ext_nid));
                return NULL;
+               }
+
+       ext  = do_ext_i2d(method, ext_nid, crit, ext_struc);
+       if(method->it) ASN1_item_free(ext_struc, ASN1_ITEM_ptr(method->it));
+       else method->ext_free(ext_struc);
+       return ext;
+
        }
 
-       /* We've now got the internal representation: convert to DER */
-       ext_len = method->i2d(ext_struc, NULL);
-       ext_der = Malloc(ext_len);
-       p = ext_der;
-       method->i2d(ext_struc, &p);
-       method->ext_free(ext_struc);
-       ext_oct = ASN1_OCTET_STRING_new();
+static X509_EXTENSION *do_ext_i2d(const X509V3_EXT_METHOD *method, int ext_nid,
+                                 int crit, void *ext_struc)
+       {
+       unsigned char *ext_der = NULL;
+       int ext_len;
+       ASN1_OCTET_STRING *ext_oct = NULL;
+       X509_EXTENSION *ext;
+       /* Convert internal representation to DER */
+       if (method->it)
+               {
+               ext_der = NULL;
+               ext_len = ASN1_item_i2d(ext_struc, &ext_der, ASN1_ITEM_ptr(method->it));
+               if (ext_len < 0) goto merr;
+               }
+        else
+               {
+               unsigned char *p;
+               ext_len = method->i2d(ext_struc, NULL);
+               if(!(ext_der = OPENSSL_malloc(ext_len))) goto merr;
+               p = ext_der;
+               method->i2d(ext_struc, &p);
+               }
+       if (!(ext_oct = M_ASN1_OCTET_STRING_new())) goto merr;
        ext_oct->data = ext_der;
+       ext_der = NULL;
        ext_oct->length = ext_len;
-       
+
        ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct);
-       ASN1_OCTET_STRING_free(ext_oct);
+       if (!ext) goto merr;
+       M_ASN1_OCTET_STRING_free(ext_oct);
 
        return ext;
 
+       merr:
+       X509V3err(X509V3_F_DO_EXT_I2D,ERR_R_MALLOC_FAILURE);
+       if (ext_der != NULL)
+               OPENSSL_free(ext_der);
+       if (ext_oct != NULL)
+               M_ASN1_OCTET_STRING_free(ext_oct);
+       return NULL;
+
+       }
+
+/* Given an internal structure, nid and critical flag create an extension */
+
+X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext_struc)
+       {
+       const X509V3_EXT_METHOD *method;
+       if (!(method = X509V3_EXT_get_nid(ext_nid))) {
+               X509V3err(X509V3_F_X509V3_EXT_I2D,X509V3_R_UNKNOWN_EXTENSION);
+               return NULL;
+       }
+       return do_ext_i2d(method, ext_nid, crit, ext_struc);
 }
 
 /* Check the extension string for critical flag */
-static int v3_check_critical(value)
-char **value;
+static int v3_check_critical(char **value)
 {
        char *p = *value;
-       if((strlen(p) < 9) || strncmp(p, "critical,", 9)) return 0;
+       if ((strlen(p) < 9) || strncmp(p, "critical,", 9)) return 0;
        p+=9;
-       while(isspace(*p)) p++;
+       while(isspace((unsigned char)*p)) p++;
        *value = p;
        return 1;
 }
 
 /* Check extension string for generic extension and return the type */
-static int v3_check_generic(value)
-char **value;
+static int v3_check_generic(char **value)
 {
+       int gen_type = 0;
        char *p = *value;
-       if((strlen(p) < 4) || strncmp(p, "RAW:,", 4)) return 0;
-       p+=4;
-       while(isspace(*p)) p++;
+       if ((strlen(p) >= 4) && !strncmp(p, "DER:", 4))
+               {
+               p+=4;
+               gen_type = 1;
+               }
+       else if ((strlen(p) >= 5) && !strncmp(p, "ASN1:", 5))
+               {
+               p+=5;
+               gen_type = 2;
+               }
+       else
+               return 0;
+
+       while (isspace((unsigned char)*p)) p++;
        *value = p;
-       return 1;
+       return gen_type;
 }
 
-/* Create a generic extension: for now just handle RAW type */
-static X509_EXTENSION *v3_generic_extension(ext, value, crit, type)
-const char *ext;
-char *value;
-int crit;
-int type;
-{
-unsigned char *ext_der=NULL;
-long ext_len;
-ASN1_OBJECT *obj=NULL;
-ASN1_OCTET_STRING *oct=NULL;
-X509_EXTENSION *extension=NULL;
-if(!(obj = OBJ_txt2obj(ext, 0))) {
-       X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_NAME_ERROR);
-       ERR_add_error_data(2, "name=", ext);
-       goto err;
-}
+/* Create a generic extension: for now just handle DER type */
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+                                           int crit, int gen_type,
+                                           X509V3_CTX *ctx)
+       {
+       unsigned char *ext_der=NULL;
+       long ext_len;
+       ASN1_OBJECT *obj=NULL;
+       ASN1_OCTET_STRING *oct=NULL;
+       X509_EXTENSION *extension=NULL;
+       if (!(obj = OBJ_txt2obj(ext, 0)))
+               {
+               X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_NAME_ERROR);
+               ERR_add_error_data(2, "name=", ext);
+               goto err;
+               }
 
-if(!(ext_der = string_to_hex(value, &ext_len))) {
-       X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
-       ERR_add_error_data(2, "value=", value);
-       goto err;
-}
+       if (gen_type == 1)
+               ext_der = string_to_hex(value, &ext_len);
+       else if (gen_type == 2)
+               ext_der = generic_asn1(value, ctx, &ext_len);
 
-if(!(oct = ASN1_OCTET_STRING_new())) {
-       X509V3err(X509V3_F_V3_GENERIC_EXTENSION,ERR_R_MALLOC_FAILURE);
-       goto err;
-}
+       if (ext_der == NULL)
+               {
+               X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
+               ERR_add_error_data(2, "value=", value);
+               goto err;
+               }
 
-oct->data = ext_der;
-oct->length = ext_len;
-ext_der = NULL;
+       if (!(oct = M_ASN1_OCTET_STRING_new()))
+               {
+               X509V3err(X509V3_F_V3_GENERIC_EXTENSION,ERR_R_MALLOC_FAILURE);
+               goto err;
+               }
 
-extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
+       oct->data = ext_der;
+       oct->length = ext_len;
+       ext_der = NULL;
 
-err:
-ASN1_OBJECT_free(obj);
-ASN1_OCTET_STRING_free(oct);
-if(ext_der) Free(ext_der);
-return extension;
-}
+       extension = X509_EXTENSION_create_by_OBJ(NULL, obj, crit, oct);
+
+       err:
+       ASN1_OBJECT_free(obj);
+       M_ASN1_OCTET_STRING_free(oct);
+       if(ext_der) OPENSSL_free(ext_der);
+       return extension;
 
+       }
+
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len)
+       {
+       ASN1_TYPE *typ;
+       unsigned char *ext_der = NULL;
+       typ = ASN1_generate_v3(value, ctx);
+       if (typ == NULL)
+               return NULL;
+       *ext_len = i2d_ASN1_TYPE(typ, &ext_der);
+       ASN1_TYPE_free(typ);
+       return ext_der;
+       }
+
+static void delete_ext(STACK_OF(X509_EXTENSION) *sk, X509_EXTENSION *dext)
+       {
+       int idx;
+       ASN1_OBJECT *obj;
+       obj = X509_EXTENSION_get_object(dext);
+       while ((idx = X509v3_get_ext_by_OBJ(sk, obj, -1)) >= 0)
+               {
+               X509_EXTENSION *tmpext = X509v3_get_ext(sk, idx);
+               X509v3_delete_ext(sk, idx);
+               X509_EXTENSION_free(tmpext);
+               }
+       }
 
 /* This is the main function: add a bunch of extensions based on a config file
- * section
+ * section to an extension STACK.
  */
 
-int X509V3_EXT_add_conf(conf, ctx, section, cert)
-LHASH *conf;
-X509V3_CTX *ctx;
-char *section;
-X509 *cert;
-{
+
+int X509V3_EXT_add_nconf_sk(CONF *conf, X509V3_CTX *ctx, char *section,
+                           STACK_OF(X509_EXTENSION) **sk)
+       {
        X509_EXTENSION *ext;
-       STACK *nval;
+       STACK_OF(CONF_VALUE) *nval;
        CONF_VALUE *val;        
        int i;
-       if(!(nval = CONF_get_section(conf, section))) return 0;
-       for(i = 0; i < sk_num(nval); i++) {
-               val = (CONF_VALUE *)sk_value(nval, i);
-               if(!(ext = X509V3_EXT_conf(conf, ctx, val->name, val->value)))
+       if (!(nval = NCONF_get_section(conf, section))) return 0;
+       for (i = 0; i < sk_CONF_VALUE_num(nval); i++)
+               {
+               val = sk_CONF_VALUE_value(nval, i);
+               if (!(ext = X509V3_EXT_nconf(conf, ctx, val->name, val->value)))
                                                                return 0;
-               if(cert) X509_add_ext(cert, ext, -1);
+               if (ctx->flags == X509V3_CTX_REPLACE)   
+                       delete_ext(*sk, ext);
+               if (sk) X509v3_add_ext(sk, ext, -1);
                X509_EXTENSION_free(ext);
-       }
+               }
        return 1;
-}
+       }
+
+/* Convenience functions to add extensions to a certificate, CRL and request */
+
+int X509V3_EXT_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+                        X509 *cert)
+       {
+       STACK_OF(X509_EXTENSION) **sk = NULL;
+       if (cert)
+               sk = &cert->cert_info->extensions;
+       return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
+       }
 
 /* Same as above but for a CRL */
 
-int X509V3_EXT_CRL_add_conf(conf, ctx, section, crl)
-LHASH *conf;
-X509V3_CTX *ctx;
-char *section;
-X509_CRL *crl;
-{
-       X509_EXTENSION *ext;
-       STACK *nval;
-       CONF_VALUE *val;        
-       int i;
-       if(!(nval = CONF_get_section(conf, section))) return 0;
-       for(i = 0; i < sk_num(nval); i++) {
-               val = (CONF_VALUE *)sk_value(nval, i);
-               if(!(ext = X509V3_EXT_conf(conf, ctx, val->name, val->value)))
-                                                               return 0;
-               if(crl) X509_CRL_add_ext(crl, ext, -1);
-               X509_EXTENSION_free(ext);
+int X509V3_EXT_CRL_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+                            X509_CRL *crl)
+       {
+       STACK_OF(X509_EXTENSION) **sk = NULL;
+       if (crl)
+               sk = &crl->crl->extensions;
+       return X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
        }
-       return 1;
-}
 
-/* Just check syntax of config file as far as possible */
-int X509V3_EXT_check_conf(conf, section)
-LHASH *conf;
-char *section;
-{
-       static X509V3_CTX ctx_tst = { CTX_TEST, NULL, NULL, NULL, NULL };
-       return X509V3_EXT_add_conf(conf, &ctx_tst, section, NULL);
-}
+/* Add extensions to certificate request */
+
+int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
+            X509_REQ *req)
+       {
+       STACK_OF(X509_EXTENSION) *extlist = NULL, **sk = NULL;
+       int i;
+       if (req)
+               sk = &extlist;
+       i = X509V3_EXT_add_nconf_sk(conf, ctx, section, sk);
+       if (!i || !sk)
+               return i;
+       i = X509_REQ_add_extensions(req, extlist);
+       sk_X509_EXTENSION_pop_free(extlist, X509_EXTENSION_free);
+       return i;
+       }
 
 /* Config database functions */
 
-char * X509V3_get_string(ctx, name, section)
-X509V3_CTX *ctx;
-char *name;
-char *section;
-{
-       if(ctx->db_meth->get_string)
+char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section)
+       {
+       if(!ctx->db || !ctx->db_meth || !ctx->db_meth->get_string)
+               {
+               X509V3err(X509V3_F_X509V3_GET_STRING,X509V3_R_OPERATION_NOT_DEFINED);
+               return NULL;
+               }
+       if (ctx->db_meth->get_string)
                        return ctx->db_meth->get_string(ctx->db, name, section);
        return NULL;
-}
+       }
 
-STACK * X509V3_get_section(ctx, section)
-X509V3_CTX *ctx;
-char *section;
-{
-       if(ctx->db_meth->get_section)
+STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX *ctx, char *section)
+       {
+       if(!ctx->db || !ctx->db_meth || !ctx->db_meth->get_section)
+               {
+               X509V3err(X509V3_F_X509V3_GET_SECTION,X509V3_R_OPERATION_NOT_DEFINED);
+               return NULL;
+               }
+       if (ctx->db_meth->get_section)
                        return ctx->db_meth->get_section(ctx->db, section);
        return NULL;
-}
+       }
 
-void X509V3_free_string(ctx, str)
-X509V3_CTX *ctx;
-char *str;
-{
-       if(ctx->db_meth->free_string)
-                       return ctx->db_meth->free_string(ctx->db, str);
-}
+void X509V3_string_free(X509V3_CTX *ctx, char *str)
+       {
+       if (!str) return;
+       if (ctx->db_meth->free_string)
+                       ctx->db_meth->free_string(ctx->db, str);
+       }
 
-void X509V3_free_section(ctx, section)
-X509V3_CTX *ctx;
-STACK *section;
-{
-       if(ctx->db_meth->free_section)
-                       return ctx->db_meth->free_section(ctx->db, section);
-}
+void X509V3_section_free(X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *section)
+       {
+       if (!section) return;
+       if (ctx->db_meth->free_section)
+                       ctx->db_meth->free_section(ctx->db, section);
+       }
 
-static char *conf_lhash_get_string(db, section, value)
-void *db;
-char *section;
-char *value;
-{
+static char *nconf_get_string(void *db, char *section, char *value)
+       {
+       return NCONF_get_string(db, section, value);
+       }
+
+static STACK_OF(CONF_VALUE) *nconf_get_section(void *db, char *section)
+       {
+       return NCONF_get_section(db, section);
+       }
+
+static X509V3_CONF_METHOD nconf_method = {
+nconf_get_string,
+nconf_get_section,
+NULL,
+NULL
+};
+
+void X509V3_set_nconf(X509V3_CTX *ctx, CONF *conf)
+       {
+       ctx->db_meth = &nconf_method;
+       ctx->db = conf;
+       }
+
+void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subj, X509_REQ *req,
+                   X509_CRL *crl, int flags)
+       {
+       ctx->issuer_cert = issuer;
+       ctx->subject_cert = subj;
+       ctx->crl = crl;
+       ctx->subject_req = req;
+       ctx->flags = flags;
+       }
+
+/* Old conf compatibility functions */
+
+X509_EXTENSION *X509V3_EXT_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+                               char *name, char *value)
+       {
+       CONF ctmp;
+       CONF_set_nconf(&ctmp, conf);
+       return X509V3_EXT_nconf(&ctmp, ctx, name, value);
+       }
+
+/* LHASH *conf:  Config file    */
+/* char *value:  Value    */
+X509_EXTENSION *X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+                                   int ext_nid, char *value)
+       {
+       CONF ctmp;
+       CONF_set_nconf(&ctmp, conf);
+       return X509V3_EXT_nconf_nid(&ctmp, ctx, ext_nid, value);
+       }
+
+static char *conf_lhash_get_string(void *db, char *section, char *value)
+       {
        return CONF_get_string(db, section, value);
-}
+       }
 
-static STACK *conf_lhash_get_section(db, section)
-void *db;
-char *section;
-{
+static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section)
+       {
        return CONF_get_section(db, section);
-}
+       }
 
 static X509V3_CONF_METHOD conf_lhash_method = {
 conf_lhash_get_string,
@@ -355,25 +510,36 @@ NULL,
 NULL
 };
 
-void X509V3_set_conf_lhash(ctx, lhash)
-X509V3_CTX *ctx;
-LHASH *lhash;
-{
+void X509V3_set_conf_lhash(X509V3_CTX *ctx, LHASH_OF(CONF_VALUE) *lhash)
+       {
        ctx->db_meth = &conf_lhash_method;
        ctx->db = lhash;
-}
+       }
 
-void X509V3_set_ctx(ctx, issuer, subj, req, crl, flags)
-X509V3_CTX *ctx;
-X509 *issuer;
-X509 *subj;
-X509_REQ *req;
-X509_CRL *crl;
-int flags;
-{
-       ctx->issuer_cert = issuer;
-       ctx->subject_cert = subj;
-       ctx->crl = crl;
-       ctx->subject_req = req;
-       ctx->flags = flags;
-}
+int X509V3_EXT_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+                       char *section, X509 *cert)
+       {
+       CONF ctmp;
+       CONF_set_nconf(&ctmp, conf);
+       return X509V3_EXT_add_nconf(&ctmp, ctx, section, cert);
+       }
+
+/* Same as above but for a CRL */
+
+int X509V3_EXT_CRL_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+                           char *section, X509_CRL *crl)
+       {
+       CONF ctmp;
+       CONF_set_nconf(&ctmp, conf);
+       return X509V3_EXT_CRL_add_nconf(&ctmp, ctx, section, crl);
+       }
+
+/* Add extensions to certificate request */
+
+int X509V3_EXT_REQ_add_conf(LHASH_OF(CONF_VALUE) *conf, X509V3_CTX *ctx,
+                           char *section, X509_REQ *req)
+       {
+       CONF ctmp;
+       CONF_set_nconf(&ctmp, conf);
+       return X509V3_EXT_REQ_add_nconf(&ctmp, ctx, section, req);
+       }