/* v3_akey.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.
*/
/* ====================================================================
*/
#include <stdio.h>
-#include <stdlib.h>
-#include <pem.h>
-#include <asn1_mac.h>
-#include <err.h>
-#include <objects.h>
-#include <conf.h>
-#include "x509v3.h"
-
-#ifndef NOPROTO
-static STACK *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, AUTHORITY_KEYID *akeyid, STACK *extlist);
-static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK *values);
-
-#else
-
-static STACK *i2v_AUTHORITY_KEYID();
-static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID();
-
-#endif
-
-X509V3_EXT_METHOD v3_akey_id = {
-NID_authority_key_identifier, 0,
-(X509V3_EXT_NEW)AUTHORITY_KEYID_new,
-AUTHORITY_KEYID_free,
-(X509V3_EXT_D2I)d2i_AUTHORITY_KEYID,
-i2d_AUTHORITY_KEYID,
-NULL, NULL,
-(X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
-(X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
-NULL,
-NULL
-};
-
-
-/*
- * ASN1err(ASN1_F_AUTHORITY_KEYID_NEW,ERR_R_MALLOC_FAILURE);
- * ASN1err(ASN1_F_D2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE);
- */
-
-int i2d_AUTHORITY_KEYID(a,pp)
-AUTHORITY_KEYID *a;
-unsigned char **pp;
-{
- M_ASN1_I2D_vars(a);
-
- M_ASN1_I2D_len_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_len_IMP_opt (a->issuer, i2d_GENERAL_NAMES);
- M_ASN1_I2D_len_IMP_opt (a->serial, i2d_ASN1_INTEGER);
-
- M_ASN1_I2D_seq_total();
-
- M_ASN1_I2D_put_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING, 0);
- M_ASN1_I2D_put_IMP_opt (a->issuer, i2d_GENERAL_NAMES, 1);
- M_ASN1_I2D_put_IMP_opt (a->serial, i2d_ASN1_INTEGER, 2);
-
- M_ASN1_I2D_finish();
-}
-
-AUTHORITY_KEYID *AUTHORITY_KEYID_new()
-{
- AUTHORITY_KEYID *ret=NULL;
- ASN1_CTX c;
- M_ASN1_New_Malloc(ret, AUTHORITY_KEYID);
- ret->keyid = NULL;
- ret->issuer = NULL;
- ret->serial = NULL;
- return (ret);
- M_ASN1_New_Error(ASN1_F_AUTHORITY_KEYID_NEW);
-}
-
-AUTHORITY_KEYID *d2i_AUTHORITY_KEYID(a,pp,length)
-AUTHORITY_KEYID **a;
-unsigned char **pp;
-long length;
-{
- M_ASN1_D2I_vars(a,AUTHORITY_KEYID *,AUTHORITY_KEYID_new);
- M_ASN1_D2I_Init();
- M_ASN1_D2I_start_sequence();
- M_ASN1_D2I_get_IMP_opt (ret->keyid, d2i_ASN1_OCTET_STRING, 0,
- V_ASN1_OCTET_STRING);
- M_ASN1_D2I_get_IMP_opt (ret->issuer, d2i_GENERAL_NAMES, 1,
- V_ASN1_SEQUENCE);
- M_ASN1_D2I_get_IMP_opt (ret->serial, d2i_ASN1_INTEGER, 2,
- V_ASN1_INTEGER);
- M_ASN1_D2I_Finish(a, AUTHORITY_KEYID_free, ASN1_F_D2I_AUTHORITY_KEYID);
-}
-
-void AUTHORITY_KEYID_free(a)
-AUTHORITY_KEYID *a;
-{
- if (a == NULL) return;
- ASN1_OCTET_STRING_free(a->keyid);
- sk_pop_free(a->issuer, GENERAL_NAME_free);
- ASN1_INTEGER_free (a->serial);
- Free ((char *)a);
-}
-
-static STACK *i2v_AUTHORITY_KEYID(method, akeyid, extlist)
-X509V3_EXT_METHOD *method;
-AUTHORITY_KEYID *akeyid;
-STACK *extlist;
+#include "cryptlib.h"
+#include <openssl/conf.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509v3.h>
+
+static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+ AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist);
+static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+ X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
+
+const X509V3_EXT_METHOD v3_akey_id =
+ {
+ NID_authority_key_identifier,
+ X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID),
+ 0,0,0,0,
+ 0,0,
+ (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID,
+ (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID,
+ 0,0,
+ NULL
+ };
+
+static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+ AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist)
{
char *tmp;
if(akeyid->keyid) {
tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length);
X509V3_add_value("keyid", tmp, &extlist);
- Free(tmp);
+ OPENSSL_free(tmp);
}
if(akeyid->issuer)
extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist);
tmp = hex_to_string(akeyid->serial->data,
akeyid->serial->length);
X509V3_add_value("serial", tmp, &extlist);
- Free(tmp);
+ OPENSSL_free(tmp);
}
return extlist;
}
-static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(method, ctx, values)
-X509V3_EXT_METHOD *method;
-X509V3_CTX *ctx;
-STACK *values;
-{
-return NULL;
-}
+/* Currently two options:
+ * keyid: use the issuers subject keyid, the value 'always' means its is
+ * an error if the issuer certificate doesn't have a key id.
+ * issuer: use the issuers cert issuer and serial number. The default is
+ * to only use this if keyid is not present. With the option 'always'
+ * this is always included.
+ */
+static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method,
+ X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
+ {
+ char keyid=0, issuer=0;
+ int i;
+ CONF_VALUE *cnf;
+ ASN1_OCTET_STRING *ikeyid = NULL;
+ X509_NAME *isname = NULL;
+ GENERAL_NAMES * gens = NULL;
+ GENERAL_NAME *gen = NULL;
+ ASN1_INTEGER *serial = NULL;
+ X509_EXTENSION *ext;
+ X509 *cert;
+ AUTHORITY_KEYID *akeyid;
+
+ for(i = 0; i < sk_CONF_VALUE_num(values); i++)
+ {
+ cnf = sk_CONF_VALUE_value(values, i);
+ if(!strcmp(cnf->name, "keyid"))
+ {
+ keyid = 1;
+ if(cnf->value && !strcmp(cnf->value, "always"))
+ keyid = 2;
+ }
+ else if(!strcmp(cnf->name, "issuer"))
+ {
+ issuer = 1;
+ if(cnf->value && !strcmp(cnf->value, "always"))
+ issuer = 2;
+ }
+ else
+ {
+ X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNKNOWN_OPTION);
+ ERR_add_error_data(2, "name=", cnf->name);
+ return NULL;
+ }
+ }
+
+ if(!ctx || !ctx->issuer_cert)
+ {
+ if(ctx && (ctx->flags==CTX_TEST))
+ return AUTHORITY_KEYID_new();
+ X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_NO_ISSUER_CERTIFICATE);
+ return NULL;
+ }
+
+ cert = ctx->issuer_cert;
+
+ if(keyid)
+ {
+ i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1);
+ if((i >= 0) && (ext = X509_get_ext(cert, i)))
+ ikeyid = X509V3_EXT_d2i(ext);
+ if(keyid==2 && !ikeyid)
+ {
+ X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID);
+ return NULL;
+ }
+ }
+
+ if((issuer && !ikeyid) || (issuer == 2))
+ {
+ isname = X509_NAME_dup(X509_get_issuer_name(cert));
+ serial = M_ASN1_INTEGER_dup(X509_get_serialNumber(cert));
+ if(!isname || !serial)
+ {
+ X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS);
+ goto err;
+ }
+ }
+
+ if(!(akeyid = AUTHORITY_KEYID_new())) goto err;
+
+ if(isname)
+ {
+ if(!(gens = sk_GENERAL_NAME_new_null())
+ || !(gen = GENERAL_NAME_new())
+ || !sk_GENERAL_NAME_push(gens, gen))
+ {
+ X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ gen->type = GEN_DIRNAME;
+ gen->d.dirn = isname;
+ }
+
+ akeyid->issuer = gens;
+ akeyid->serial = serial;
+ akeyid->keyid = ikeyid;
+
+ return akeyid;
+
+ err:
+ X509_NAME_free(isname);
+ M_ASN1_INTEGER_free(serial);
+ M_ASN1_OCTET_STRING_free(ikeyid);
+ return NULL;
+ }
projects / openssl.git / blobdiff