#include <stdio.h>
#include <cryptlib.h>
#include <openssl/objects.h>
-#include <openssl/asn1_mac.h>
#include <openssl/x509.h>
#include <openssl/ocsp.h>
+#include <openssl/rand.h>
#include <openssl/x509v3.h>
-/* Make sure we work well with older variants of OpenSSL */
-#ifndef OPENSSL_malloc
-#define OPENSSL_malloc Malloc
-#endif
-#ifndef OPENSSL_realloc
-#define OPENSSL_realloc Realloc
-#endif
-#ifndef OPENSSL_free
-#define OPENSSL_free Free
-#endif
+/* Standard wrapper functions for extensions */
-/* also CRL Entry Extensions */
+/* OCSP request extensions */
+
+int OCSP_REQUEST_get_ext_count(OCSP_REQUEST *x)
+ {
+ return(X509v3_get_ext_count(x->tbsRequest->requestExtensions));
+ }
+
+int OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos)
+ {
+ return(X509v3_get_ext_by_NID(x->tbsRequest->requestExtensions,nid,lastpos));
+ }
+
+int OCSP_REQUEST_get_ext_by_OBJ(OCSP_REQUEST *x, ASN1_OBJECT *obj, int lastpos)
+ {
+ return(X509v3_get_ext_by_OBJ(x->tbsRequest->requestExtensions,obj,lastpos));
+ }
+
+int OCSP_REQUEST_get_ext_by_critical(OCSP_REQUEST *x, int crit, int lastpos)
+ {
+ return(X509v3_get_ext_by_critical(x->tbsRequest->requestExtensions,crit,lastpos));
+ }
+
+X509_EXTENSION *OCSP_REQUEST_get_ext(OCSP_REQUEST *x, int loc)
+ {
+ return(X509v3_get_ext(x->tbsRequest->requestExtensions,loc));
+ }
+
+X509_EXTENSION *OCSP_REQUEST_delete_ext(OCSP_REQUEST *x, int loc)
+ {
+ return(X509v3_delete_ext(x->tbsRequest->requestExtensions,loc));
+ }
+
+void *OCSP_REQUEST_get1_ext_d2i(OCSP_REQUEST *x, int nid, int *crit, int *idx)
+ {
+ return X509V3_get_d2i(x->tbsRequest->requestExtensions, nid, crit, idx);
+ }
+
+int OCSP_REQUEST_add1_ext_i2d(OCSP_REQUEST *x, int nid, void *value, int crit,
+ unsigned long flags)
+ {
+ return X509V3_add1_i2d(&x->tbsRequest->requestExtensions, nid, value, crit, flags);
+ }
+
+int OCSP_REQUEST_add_ext(OCSP_REQUEST *x, X509_EXTENSION *ex, int loc)
+ {
+ return(X509v3_add_ext(&(x->tbsRequest->requestExtensions),ex,loc) != NULL);
+ }
+
+/* Single extensions */
+
+int OCSP_ONEREQ_get_ext_count(OCSP_ONEREQ *x)
+ {
+ return(X509v3_get_ext_count(x->singleRequestExtensions));
+ }
+
+int OCSP_ONEREQ_get_ext_by_NID(OCSP_ONEREQ *x, int nid, int lastpos)
+ {
+ return(X509v3_get_ext_by_NID(x->singleRequestExtensions,nid,lastpos));
+ }
+
+int OCSP_ONEREQ_get_ext_by_OBJ(OCSP_ONEREQ *x, ASN1_OBJECT *obj, int lastpos)
+ {
+ return(X509v3_get_ext_by_OBJ(x->singleRequestExtensions,obj,lastpos));
+ }
+
+int OCSP_ONEREQ_get_ext_by_critical(OCSP_ONEREQ *x, int crit, int lastpos)
+ {
+ return(X509v3_get_ext_by_critical(x->singleRequestExtensions,crit,lastpos));
+ }
+
+X509_EXTENSION *OCSP_ONEREQ_get_ext(OCSP_ONEREQ *x, int loc)
+ {
+ return(X509v3_get_ext(x->singleRequestExtensions,loc));
+ }
+
+X509_EXTENSION *OCSP_ONEREQ_delete_ext(OCSP_ONEREQ *x, int loc)
+ {
+ return(X509v3_delete_ext(x->singleRequestExtensions,loc));
+ }
+
+void *OCSP_ONEREQ_get1_ext_d2i(OCSP_ONEREQ *x, int nid, int *crit, int *idx)
+ {
+ return X509V3_get_d2i(x->singleRequestExtensions, nid, crit, idx);
+ }
+
+int OCSP_ONEREQ_add1_ext_i2d(OCSP_ONEREQ *x, int nid, void *value, int crit,
+ unsigned long flags)
+ {
+ return X509V3_add1_i2d(&x->singleRequestExtensions, nid, value, crit, flags);
+ }
+
+int OCSP_ONEREQ_add_ext(OCSP_ONEREQ *x, X509_EXTENSION *ex, int loc)
+ {
+ return(X509v3_add_ext(&(x->singleRequestExtensions),ex,loc) != NULL);
+ }
+
+/* OCSP Basic response */
+
+int OCSP_BASICRESP_get_ext_count(OCSP_BASICRESP *x)
+ {
+ return(X509v3_get_ext_count(x->tbsResponseData->responseExtensions));
+ }
+
+int OCSP_BASICRESP_get_ext_by_NID(OCSP_BASICRESP *x, int nid, int lastpos)
+ {
+ return(X509v3_get_ext_by_NID(x->tbsResponseData->responseExtensions,nid,lastpos));
+ }
+
+int OCSP_BASICRESP_get_ext_by_OBJ(OCSP_BASICRESP *x, ASN1_OBJECT *obj, int lastpos)
+ {
+ return(X509v3_get_ext_by_OBJ(x->tbsResponseData->responseExtensions,obj,lastpos));
+ }
+
+int OCSP_BASICRESP_get_ext_by_critical(OCSP_BASICRESP *x, int crit, int lastpos)
+ {
+ return(X509v3_get_ext_by_critical(x->tbsResponseData->responseExtensions,crit,lastpos));
+ }
+
+X509_EXTENSION *OCSP_BASICRESP_get_ext(OCSP_BASICRESP *x, int loc)
+ {
+ return(X509v3_get_ext(x->tbsResponseData->responseExtensions,loc));
+ }
+
+X509_EXTENSION *OCSP_BASICRESP_delete_ext(OCSP_BASICRESP *x, int loc)
+ {
+ return(X509v3_delete_ext(x->tbsResponseData->responseExtensions,loc));
+ }
+
+void *OCSP_BASICRESP_get1_ext_d2i(OCSP_BASICRESP *x, int nid, int *crit, int *idx)
+ {
+ return X509V3_get_d2i(x->tbsResponseData->responseExtensions, nid, crit, idx);
+ }
+
+int OCSP_BASICRESP_add1_ext_i2d(OCSP_BASICRESP *x, int nid, void *value, int crit,
+ unsigned long flags)
+ {
+ return X509V3_add1_i2d(&x->tbsResponseData->responseExtensions, nid, value, crit, flags);
+ }
+
+int OCSP_BASICRESP_add_ext(OCSP_BASICRESP *x, X509_EXTENSION *ex, int loc)
+ {
+ return(X509v3_add_ext(&(x->tbsResponseData->responseExtensions),ex,loc) != NULL);
+ }
+
+/* OCSP single response extensions */
+
+int OCSP_SINGLERESP_get_ext_count(OCSP_SINGLERESP *x)
+ {
+ return(X509v3_get_ext_count(x->singleExtensions));
+ }
+
+int OCSP_SINGLERESP_get_ext_by_NID(OCSP_SINGLERESP *x, int nid, int lastpos)
+ {
+ return(X509v3_get_ext_by_NID(x->singleExtensions,nid,lastpos));
+ }
+
+int OCSP_SINGLERESP_get_ext_by_OBJ(OCSP_SINGLERESP *x, ASN1_OBJECT *obj, int lastpos)
+ {
+ return(X509v3_get_ext_by_OBJ(x->singleExtensions,obj,lastpos));
+ }
+
+int OCSP_SINGLERESP_get_ext_by_critical(OCSP_SINGLERESP *x, int crit, int lastpos)
+ {
+ return(X509v3_get_ext_by_critical(x->singleExtensions,crit,lastpos));
+ }
+
+X509_EXTENSION *OCSP_SINGLERESP_get_ext(OCSP_SINGLERESP *x, int loc)
+ {
+ return(X509v3_get_ext(x->singleExtensions,loc));
+ }
+
+X509_EXTENSION *OCSP_SINGLERESP_delete_ext(OCSP_SINGLERESP *x, int loc)
+ {
+ return(X509v3_delete_ext(x->singleExtensions,loc));
+ }
+
+void *OCSP_SINGLERESP_get1_ext_d2i(OCSP_SINGLERESP *x, int nid, int *crit, int *idx)
+ {
+ return X509V3_get_d2i(x->singleExtensions, nid, crit, idx);
+ }
+
+int OCSP_SINGLERESP_add1_ext_i2d(OCSP_SINGLERESP *x, int nid, void *value, int crit,
+ unsigned long flags)
+ {
+ return X509V3_add1_i2d(&x->singleExtensions, nid, value, crit, flags);
+ }
-ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, int (*i2d)(),
- char *data, STACK_OF(ASN1_OBJECT) *sk)
+int OCSP_SINGLERESP_add_ext(OCSP_SINGLERESP *x, X509_EXTENSION *ex, int loc)
+ {
+ return(X509v3_add_ext(&(x->singleExtensions),ex,loc) != NULL);
+ }
+
+/* also CRL Entry Extensions */
+#if 0
+ASN1_STRING *ASN1_STRING_encode(ASN1_STRING *s, i2d_of_void *i2d,
+ void *data, STACK_OF(ASN1_OBJECT) *sk)
{
int i;
unsigned char *p, *b = NULL;
if (data)
{
if ((i=i2d(data,NULL)) <= 0) goto err;
- if (!(b=p=(unsigned char*)OPENSSL_malloc((unsigned int)i)))
+ if (!(b=p=OPENSSL_malloc((unsigned int)i)))
goto err;
if (i2d(data, &p) <= 0) goto err;
}
else if (sk)
{
- if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL,i2d,V_ASN1_SEQUENCE,
- V_ASN1_UNIVERSAL,IS_SEQUENCE))<=0) goto err;
- if (!(b=p=(unsigned char*)OPENSSL_malloc((unsigned int)i)))
+ if ((i=i2d_ASN1_SET_OF_ASN1_OBJECT(sk,NULL,
+ (I2D_OF(ASN1_OBJECT))i2d,
+ V_ASN1_SEQUENCE,
+ V_ASN1_UNIVERSAL,
+ IS_SEQUENCE))<=0) goto err;
+ if (!(b=p=OPENSSL_malloc((unsigned int)i)))
goto err;
- if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,i2d,V_ASN1_SEQUENCE,
- V_ASN1_UNIVERSAL,IS_SEQUENCE)<=0) goto err;
+ if (i2d_ASN1_SET_OF_ASN1_OBJECT(sk,&p,(I2D_OF(ASN1_OBJECT))i2d,
+ V_ASN1_SEQUENCE,
+ V_ASN1_UNIVERSAL,
+ IS_SEQUENCE)<=0) goto err;
}
else
{
if (b) OPENSSL_free(b);
return NULL;
}
+#endif
-X509_EXTENSION *OCSP_nonce_new(void *p, unsigned int len)
- {
- X509_EXTENSION *x=NULL;
- if (!(x = X509_EXTENSION_new())) goto err;
- if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_Nonce))) goto err;
- if (!(ASN1_OCTET_STRING_set(x->value, p, len))) goto err;
- return x;
-err:
- if (x) X509_EXTENSION_free(x);
- return NULL;
+/* Nonce handling functions */
+
+/* Add a nonce to an extension stack. A nonce can be specificed or if NULL
+ * a random nonce will be generated.
+ * Note: OpenSSL 0.9.7d and later create an OCTET STRING containing the
+ * nonce, previous versions used the raw nonce.
+ */
+
+static int ocsp_add1_nonce(STACK_OF(X509_EXTENSION) **exts, unsigned char *val, int len)
+ {
+ unsigned char *tmpval;
+ ASN1_OCTET_STRING os;
+ int ret = 0;
+ if (len <= 0) len = OCSP_DEFAULT_NONCE_LENGTH;
+ /* Create the OCTET STRING manually by writing out the header and
+ * appending the content octets. This avoids an extra memory allocation
+ * operation in some cases. Applications should *NOT* do this because
+ * it relies on library internals.
+ */
+ os.length = ASN1_object_size(0, len, V_ASN1_OCTET_STRING);
+ os.data = OPENSSL_malloc(os.length);
+ if (os.data == NULL)
+ goto err;
+ tmpval = os.data;
+ ASN1_put_object(&tmpval, 0, len, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL);
+ if (val)
+ memcpy(tmpval, val, len);
+ else
+ RAND_pseudo_bytes(tmpval, len);
+ if(!X509V3_add1_i2d(exts, NID_id_pkix_OCSP_Nonce,
+ &os, 0, X509V3_ADD_REPLACE))
+ goto err;
+ ret = 1;
+ err:
+ if (os.data)
+ OPENSSL_free(os.data);
+ return ret;
+ }
+
+
+/* Add nonce to an OCSP request */
+
+int OCSP_request_add1_nonce(OCSP_REQUEST *req, unsigned char *val, int len)
+ {
+ return ocsp_add1_nonce(&req->tbsRequest->requestExtensions, val, len);
+ }
+
+/* Same as above but for a response */
+
+int OCSP_basic_add1_nonce(OCSP_BASICRESP *resp, unsigned char *val, int len)
+ {
+ return ocsp_add1_nonce(&resp->tbsResponseData->responseExtensions, val, len);
+ }
+
+/* Check nonce validity in a request and response.
+ * Return value reflects result:
+ * 1: nonces present and equal.
+ * 2: nonces both absent.
+ * 3: nonce present in response only.
+ * 0: nonces both present and not equal.
+ * -1: nonce in request only.
+ *
+ * For most responders clients can check return > 0.
+ * If responder doesn't handle nonces return != 0 may be
+ * necessary. return == 0 is always an error.
+ */
+
+int OCSP_check_nonce(OCSP_REQUEST *req, OCSP_BASICRESP *bs)
+ {
+ /*
+ * Since we are only interested in the presence or absence of
+ * the nonce and comparing its value there is no need to use
+ * the X509V3 routines: this way we can avoid them allocating an
+ * ASN1_OCTET_STRING structure for the value which would be
+ * freed immediately anyway.
+ */
+
+ int req_idx, resp_idx;
+ X509_EXTENSION *req_ext, *resp_ext;
+ req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
+ resp_idx = OCSP_BASICRESP_get_ext_by_NID(bs, NID_id_pkix_OCSP_Nonce, -1);
+ /* Check both absent */
+ if((req_idx < 0) && (resp_idx < 0))
+ return 2;
+ /* Check in request only */
+ if((req_idx >= 0) && (resp_idx < 0))
+ return -1;
+ /* Check in response but not request */
+ if((req_idx < 0) && (resp_idx >= 0))
+ return 3;
+ /* Otherwise nonce in request and response so retrieve the extensions */
+ req_ext = OCSP_REQUEST_get_ext(req, req_idx);
+ resp_ext = OCSP_BASICRESP_get_ext(bs, resp_idx);
+ if(ASN1_OCTET_STRING_cmp(req_ext->value, resp_ext->value))
+ return 0;
+ return 1;
+ }
+
+/* Copy the nonce value (if any) from an OCSP request to
+ * a response.
+ */
+
+int OCSP_copy_nonce(OCSP_BASICRESP *resp, OCSP_REQUEST *req)
+ {
+ X509_EXTENSION *req_ext;
+ int req_idx;
+ /* Check for nonce in request */
+ req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
+ /* If no nonce that's OK */
+ if (req_idx < 0) return 2;
+ req_ext = OCSP_REQUEST_get_ext(req, req_idx);
+ return OCSP_BASICRESP_add_ext(resp, req_ext, -1);
}
X509_EXTENSION *OCSP_crlID_new(char *url, long *n, char *tim)
if (!(ASN1_GENERALIZEDTIME_set_string(cid->crlTime, tim)))
goto err;
}
- if (!(x = X509_EXTENSION_new())) goto err;
- if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_CrlID))) goto err;
- if (!(ASN1_STRING_encode(x->value,i2d_OCSP_CRLID,(char*)cid,NULL)))
- goto err;
- OCSP_CRLID_free(cid);
- return x;
+ x = X509V3_EXT_i2d(NID_id_pkix_OCSP_CrlID, 0, cid);
err:
- if (x) X509_EXTENSION_free(x);
if (cid) OCSP_CRLID_free(cid);
- return NULL;
+ return x;
}
/* AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER */
ASN1_OBJECT *o = NULL;
X509_EXTENSION *x = NULL;
- if (!(sk = sk_ASN1_OBJECT_new(NULL))) goto err;
+ if (!(sk = sk_ASN1_OBJECT_new_null())) goto err;
while (oids && *oids)
{
if ((nid=OBJ_txt2nid(*oids))!=NID_undef&&(o=OBJ_nid2obj(nid)))
sk_ASN1_OBJECT_push(sk, o);
oids++;
}
- if (!(x = X509_EXTENSION_new())) goto err;
- if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_acceptableResponses)))
- goto err;
- if (!(ASN1_STRING_encode(x->value,i2d_ASN1_OBJECT,NULL,sk)))
- goto err;
- sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
- return x;
+ x = X509V3_EXT_i2d(NID_id_pkix_OCSP_acceptableResponses, 0, sk);
err:
- if (x) X509_EXTENSION_free(x);
if (sk) sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
- return NULL;
+ return x;
}
/* ArchiveCutoff ::= GeneralizedTime */
if (!(gt = ASN1_GENERALIZEDTIME_new())) goto err;
if (!(ASN1_GENERALIZEDTIME_set_string(gt, tim))) goto err;
- if (!(x = X509_EXTENSION_new())) goto err;
- if (!(x->object=OBJ_nid2obj(NID_id_pkix_OCSP_archiveCutoff)))goto err;
- if (!(ASN1_STRING_encode(x->value,i2d_ASN1_GENERALIZEDTIME,
- (char*)gt,NULL))) goto err;
- ASN1_GENERALIZEDTIME_free(gt);
- return x;
+ x = X509V3_EXT_i2d(NID_id_pkix_OCSP_archiveCutoff, 0, gt);
err:
if (gt) ASN1_GENERALIZEDTIME_free(gt);
- if (x) X509_EXTENSION_free(x);
- return NULL;
+ return x;
}
/* per ACCESS_DESCRIPTION parameter are oids, of which there are currently
if (!(sloc = OCSP_SERVICELOC_new())) goto err;
if (!(sloc->issuer = X509_NAME_dup(issuer))) goto err;
- if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new(NULL))) goto err;
+ if (urls && *urls && !(sloc->locator = sk_ACCESS_DESCRIPTION_new_null())) goto err;
while (urls && *urls)
{
if (!(ad = ACCESS_DESCRIPTION_new())) goto err;
if (!sk_ACCESS_DESCRIPTION_push(sloc->locator, ad)) goto err;
urls++;
}
- if (!(x = X509_EXTENSION_new())) goto err;
- if (!(x->object = OBJ_nid2obj(NID_id_pkix_OCSP_serviceLocator)))
- goto err;
- if (!(ASN1_STRING_encode(x->value, i2d_OCSP_SERVICELOC,
- (char*)sloc, NULL))) goto err;
- OCSP_SERVICELOC_free(sloc);
- return x;
+ x = X509V3_EXT_i2d(NID_id_pkix_OCSP_serviceLocator, 0, sloc);
err:
- if (x) X509_EXTENSION_free(x);
if (sloc) OCSP_SERVICELOC_free(sloc);
- return NULL;
- }
-
-int OCSP_extensions_print(BIO *bp,
- STACK_OF(X509_EXTENSION) *sk,
- char *title)
- {
- int i;
- if (!sk) return 1;
- if (BIO_printf(bp, "%s:\n", title) <= 0) return 0;
- for (i=0; i<sk_X509_EXTENSION_num(sk); i++)
- OCSP_extension_print(bp, sk_X509_EXTENSION_value(sk,i), 4);
- return sk_X509_EXTENSION_num(sk);
+ return x;
}
-int OCSP_extension_print(BIO *bp,
- X509_EXTENSION *x,
- int ind)
- {
- int i, j;
- STACK_OF(ASN1_OBJECT) *sk = NULL;
- unsigned char *p;
- OCSP_CRLID *crlid = NULL;
- OCSP_SERVICELOC *sloc = NULL;
- ASN1_GENERALIZEDTIME *gt = NULL;
-
- if (!x) return 1;
- switch (OBJ_obj2nid(x->object))
- {
- case NID_id_pkix_OCSP_Nonce:
- if (BIO_printf(bp, "%*snonce: ", ind, "") <= 0)
- goto err;
- if (M_ASN1_OCTET_STRING_print(bp, x->value) <= 0)
- goto err;
- if (BIO_write(bp, "\n", 1) <= 0) goto err;
- break;
- case NID_id_pkix_OCSP_CrlID:
- if (BIO_printf(bp, "%*scrlId:\n", ind, "") <= 0)
- goto err;
- p = x->value->data;
- if (!(d2i_OCSP_CRLID(&crlid, &p, x->value->length)))
- goto err;
- if (!OCSP_CRLID_print(bp, crlid, (2*ind))) goto err;
- OCSP_CRLID_free(crlid);
- break;
- case NID_id_pkix_OCSP_acceptableResponses:
- if (BIO_printf(bp,
- "%*sacceptable responses: ",
- ind, "") <= 0)
- goto err;
- p = x->value->data;
- if (!(d2i_ASN1_SET_OF_ASN1_OBJECT(&sk, &p, x->value->length,
- d2i_ASN1_OBJECT,
- ASN1_OBJECT_free,
- V_ASN1_SEQUENCE,
- V_ASN1_UNIVERSAL)))
- goto err;
- for (i = 0; i < sk_ASN1_OBJECT_num(sk); i++)
- {
- j=OBJ_obj2nid(sk_ASN1_OBJECT_value(sk,i));
- if (BIO_printf(bp," %s ",
- (j == NID_undef)?"UNKNOWN":
- OBJ_nid2ln(j)) <= 0)
- goto err;
- }
- if (BIO_write(bp, "\n", 1) <= 0) goto err;
- sk_ASN1_OBJECT_pop_free(sk, ASN1_OBJECT_free);
- break;
- case NID_id_pkix_OCSP_archiveCutoff:
- if (BIO_printf(bp, "%*sarchive cutoff: ", ind, "")<=0)
- goto err;
- p = x->value->data;
- if (!d2i_ASN1_GENERALIZEDTIME(>, &p,
- x->value->length))
- goto err;
- if (!ASN1_GENERALIZEDTIME_print(bp, gt)) goto err;
- if (BIO_write(bp, "\n", 1) <= 0) goto err;
- ASN1_GENERALIZEDTIME_free(gt);
- break;
- case NID_id_pkix_OCSP_serviceLocator:
- if (BIO_printf(bp, "%*sservice locator:\n", ind, "") <= 0)
- goto err;
- p = x->value->data;
- if (!d2i_OCSP_SERVICELOC(&sloc, &p,
- x->value->length))
- goto err;
- if (!OCSP_SERVICELOC_print(bp,sloc,(2*ind))) goto err;
- OCSP_SERVICELOC_free(sloc);
- break;
- case NID_undef:
- default:
- if (BIO_printf(bp,"%*sunrecognized oid: ",ind,"") <= 0)
- goto err;
- break;
- }
- return 1;
-err:
- return 0;
- }
projects / openssl.git / blobdiff