1 files changed, 56 insertions, 17 deletions

diff --git a/src/lib/libcrypto/x509v3/v3_conf.c b/src/lib/libcrypto/x509v3/v3_conf.c
index 1284d5aaa5..2b867305fb 100644
--- a/src/lib/libcrypto/x509v3/v3_conf.c
+++ b/src/lib/libcrypto/x509v3/v3_conf.c
@@ -3,7 +3,7 @@
  * 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
@@ -69,11 +69,12 @@
 static int v3_check_critical(char **value);
 static int v3_check_generic(char **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);
+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(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    */
@@ -85,11 +86,11 @@ X509_EXTENSION *X509V3_EXT_nconf(CONF *conf, X509V3_CTX *ctx, char *name,
         X509_EXTENSION *ret;
         crit = v3_check_critical(&value);
         if ((ext_type = v3_check_generic(&value))) 
-                return v3_generic_extension(name, value, crit, ext_type);
+                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_CONF,X509V3_R_ERROR_IN_EXTENSION);
+                X509V3err(X509V3_F_X509V3_EXT_NCONF,X509V3_R_ERROR_IN_EXTENSION);
                 ERR_add_error_data(4,"name=", name, ", value=", value);
                 }
         return ret;
@@ -105,7 +106,7 @@ X509_EXTENSION *X509V3_EXT_nconf_nid(CONF *conf, X509V3_CTX *ctx, int ext_nid,
         crit = v3_check_critical(&value);
         if ((ext_type = v3_check_generic(&value))) 
                 return v3_generic_extension(OBJ_nid2sn(ext_nid),
-                                                         value, crit, ext_type);
+                                                 value, crit, ext_type, ctx);
         return do_ext_nconf(conf, ctx, ext_nid, crit, value);
         }
 
@@ -120,12 +121,12 @@ static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
         void *ext_struc;
         if (ext_nid == NID_undef)
                 {
-                X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
+                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);
+                X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_UNKNOWN_EXTENSION);
                 return NULL;
                 }
         /* Now get internal extension representation based on type */
@@ -133,9 +134,9 @@ static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
                 {
                 if(*value == '@') nval = NCONF_get_section(conf, value + 1);
                 else nval = X509V3_parse_list(value);
-                if(!nval)
+                if(sk_CONF_VALUE_num(nval) <= 0)
                         {
-                        X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_INVALID_EXTENSION_STRING);
+                        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;
                         }
@@ -150,16 +151,16 @@ static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid,
                 }
         else if(method->r2i)
                 {
-                if(!ctx->db)
+                if(!ctx->db || !ctx->db_meth)
                         {
-                        X509V3err(X509V3_F_X509V3_EXT_CONF,X509V3_R_NO_CONFIG_DATABASE);
+                        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_X509V3_EXT_CONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
+                X509V3err(X509V3_F_DO_EXT_NCONF,X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED);
                 ERR_add_error_data(2, "name=", OBJ_nid2sn(ext_nid));
                 return NULL;
                 }
@@ -235,17 +236,29 @@ static int v3_check_critical(char **value)
 /* Check extension string for generic extension and return the type */
 static int v3_check_generic(char **value)
 {
+        int gen_type = 0;
         char *p = *value;
-        if ((strlen(p) < 4) || strncmp(p, "DER:", 4)) return 0;
-        p+=4;
+        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 DER type */
 static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
-             int crit, int type)
+             int crit, int gen_type, X509V3_CTX *ctx)
         {
         unsigned char *ext_der=NULL;
         long ext_len;
@@ -259,7 +272,12 @@ static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
                 goto err;
                 }
 
-        if (!(ext_der = string_to_hex(value, &ext_len)))
+        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 (ext_der == NULL)
                 {
                 X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
                 ERR_add_error_data(2, "value=", value);
@@ -286,6 +304,17 @@ static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
 
         }
 
+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;
+        }
 
 /* This is the main function: add a bunch of extensions based on a config file
  * section to an extension STACK.
@@ -354,6 +383,11 @@ int X509V3_EXT_REQ_add_nconf(CONF *conf, X509V3_CTX *ctx, char *section,
 
 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;
@@ -361,6 +395,11 @@ char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *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;