#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(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 *v3_generic_extension(const char *ext, char *value, int crit, int type);
+static char *conf_lhash_get_string(void *db, char *section, char *value);
+static STACK *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);
+/* LHASH *conf: Config file */
+/* char *name: Name */
+/* char *value: Value */
+X509_EXTENSION *X509V3_EXT_conf(LHASH *conf, X509V3_CTX *ctx, char *name,
+ char *value)
{
int crit;
int ext_type;
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 */
+/* LHASH *conf: Config file */
+/* char *value: Value */
+X509_EXTENSION *X509V3_EXT_conf_nid(LHASH *conf, X509V3_CTX *ctx, int ext_nid,
+ char *value)
{
int crit;
int ext_type;
return do_ext_conf(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 */
+/* LHASH *conf: Config file */
+/* char *value: Value */
+static X509_EXTENSION *do_ext_conf(LHASH *conf, X509V3_CTX *ctx, int ext_nid,
+ int crit, char *value)
{
- X509_EXTENSION *ext = NULL;
X509V3_EXT_METHOD *method;
+ X509_EXTENSION *ext;
STACK *nval;
- char *ext_struc;
- char *ext_der, *p;
- int ext_len;
- ASN1_OCTET_STRING *ext_oct;
+ void *ext_struc;
if(ext_nid == NID_undef) {
X509V3err(X509V3_F_DO_EXT_CONF,X509V3_R_UNKNOWN_EXTENSION_NAME);
return NULL;
if(!ext_struc) return NULL;
} else if(method->s2i) {
if(!(ext_struc = method->s2i(method, ctx, value))) return NULL;
+ } else if(method->r2i) {
+ if(!ctx->db) {
+ X509V3err(X509V3_F_X509V3_EXT_CONF,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);
ERR_add_error_data(2, "name=", OBJ_nid2sn(ext_nid));
return NULL;
}
- /* We've now got the internal representation: convert to DER */
+ ext = do_ext_i2d(method, ext_nid, crit, ext_struc);
+ method->ext_free(ext_struc);
+ return ext;
+
+}
+
+static X509_EXTENSION *do_ext_i2d(X509V3_EXT_METHOD *method, int ext_nid,
+ int crit, void *ext_struc)
+{
+ unsigned char *ext_der, *p;
+ int ext_len;
+ ASN1_OCTET_STRING *ext_oct;
+ X509_EXTENSION *ext;
+ /* Convert internal representation to DER */
ext_len = method->i2d(ext_struc, NULL);
- ext_der = Malloc(ext_len);
+ if(!(ext_der = Malloc(ext_len))) goto merr;
p = ext_der;
method->i2d(ext_struc, &p);
- method->ext_free(ext_struc);
- ext_oct = ASN1_OCTET_STRING_new();
+ if(!(ext_oct = ASN1_OCTET_STRING_new())) goto merr;
ext_oct->data = ext_der;
ext_oct->length = ext_len;
ext = X509_EXTENSION_create_by_NID(NULL, ext_nid, crit, ext_oct);
+ if(!ext) goto merr;
ASN1_OCTET_STRING_free(ext_oct);
return ext;
+ merr:
+ X509V3err(X509V3_F_DO_EXT_I2D,ERR_R_MALLOC_FAILURE);
+ 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)
+{
+ 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;
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)
{
char *p = *value;
- if((strlen(p) < 4) || strncmp(p, "RAW:,", 4)) return 0;
+ if((strlen(p) < 4) || strncmp(p, "DER:,", 4)) return 0;
p+=4;
- while(isspace(*p)) p++;
+ while(isspace((unsigned char)*p)) p++;
*value = p;
return 1;
}
/* Create a generic extension: for now just handle RAW type */
-static X509_EXTENSION *v3_generic_extension(ext, value, crit, type)
-char *ext;
-char *value;
-int crit;
-int type;
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
+ int crit, int type)
{
unsigned char *ext_der=NULL;
long ext_len;
* section
*/
-int X509V3_EXT_add_conf(conf, ctx, section, cert)
-LHASH *conf;
-X509V3_CTX *ctx;
-char *section;
-X509 *cert;
+int X509V3_EXT_add_conf(LHASH *conf, X509V3_CTX *ctx, char *section,
+ X509 *cert)
{
X509_EXTENSION *ext;
STACK *nval;
return 1;
}
-/* Just check syntax of config file as far as possible */
-int X509V3_EXT_check_conf(conf, section)
-LHASH *conf;
-char *section;
+/* Same as above but for a CRL */
+
+int X509V3_EXT_CRL_add_conf(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);
+ }
+ return 1;
+}
+
+/* Config database functions */
+
+char * X509V3_get_string(X509V3_CTX *ctx, char *name, char *section)
+{
+ if(ctx->db_meth->get_string)
+ return ctx->db_meth->get_string(ctx->db, name, section);
+ return NULL;
+}
+
+STACK * X509V3_get_section(X509V3_CTX *ctx, char *section)
+{
+ if(ctx->db_meth->get_section)
+ return ctx->db_meth->get_section(ctx->db, section);
+ return NULL;
+}
+
+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_section_free(X509V3_CTX *ctx, STACK *section)
+{
+ if(!section) return;
+ if(ctx->db_meth->free_section)
+ ctx->db_meth->free_section(ctx->db, section);
+}
+
+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(void *db, char *section)
+{
+ return CONF_get_section(db, section);
+}
+
+static X509V3_CONF_METHOD conf_lhash_method = {
+conf_lhash_get_string,
+conf_lhash_get_section,
+NULL,
+NULL
+};
+
+void X509V3_set_conf_lhash(X509V3_CTX *ctx, LHASH *lhash)
+{
+ ctx->db_meth = &conf_lhash_method;
+ ctx->db = lhash;
+}
+
+void X509V3_set_ctx(X509V3_CTX *ctx, X509 *issuer, X509 *subj, X509_REQ *req,
+ X509_CRL *crl, int flags)
{
- static X509V3_CTX ctx_tst = { CTX_TEST, NULL, NULL, NULL, NULL };
- return X509V3_EXT_add_conf(conf, &ctx_tst, section, NULL);
+ ctx->issuer_cert = issuer;
+ ctx->subject_cert = subj;
+ ctx->crl = crl;
+ ctx->subject_req = req;
+ ctx->flags = flags;
}