+{
+ if ((req == NULL) || (req->req_info == NULL))
+ return (NULL);
+ return (X509_PUBKEY_get(req->req_info->pubkey));
+}
+
+int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
+{
+ EVP_PKEY *xk = NULL;
+ int ok = 0;
+
+ xk = X509_REQ_get_pubkey(x);
+ switch (EVP_PKEY_cmp(xk, k)) {
+ case 1:
+ ok = 1;
+ break;
+ case 0:
+ X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
+ X509_R_KEY_VALUES_MISMATCH);
+ break;
+ case -1:
+ X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);
+ break;
+ case -2:
+#ifndef OPENSSL_NO_EC
+ if (k->type == EVP_PKEY_EC) {
+ X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
+ break;
+ }
+#endif
+#ifndef OPENSSL_NO_DH
+ if (k->type == EVP_PKEY_DH) {
+ /* No idea */
+ X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
+ X509_R_CANT_CHECK_DH_KEY);
+ break;
+ }
+#endif
+ X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);
+ }
+
+ EVP_PKEY_free(xk);
+ return (ok);
+}
+
+/*
+ * It seems several organisations had the same idea of including a list of
+ * extensions in a certificate request. There are at least two OIDs that are
+ * used and there may be more: so the list is configurable.
+ */
+
+static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef };
+
+static int *ext_nids = ext_nid_list;
+
+int X509_REQ_extension_nid(int req_nid)
+{
+ int i, nid;
+ for (i = 0;; i++) {
+ nid = ext_nids[i];
+ if (nid == NID_undef)
+ return 0;
+ else if (req_nid == nid)
+ return 1;
+ }
+}
+
+int *X509_REQ_get_extension_nids(void)
+{
+ return ext_nids;
+}
+
+void X509_REQ_set_extension_nids(int *nids)
+{
+ ext_nids = nids;
+}
+
+STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
+{
+ X509_ATTRIBUTE *attr;
+ ASN1_TYPE *ext = NULL;
+ int idx, *pnid;
+ const unsigned char *p;
+
+ if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
+ return (NULL);
+ for (pnid = ext_nids; *pnid != NID_undef; pnid++) {
+ idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
+ if (idx == -1)
+ continue;
+ attr = X509_REQ_get_attr(req, idx);
+ if (attr->single)
+ ext = attr->value.single;
+ else if (sk_ASN1_TYPE_num(attr->value.set))
+ ext = sk_ASN1_TYPE_value(attr->value.set, 0);
+ break;
+ }
+ if (!ext || (ext->type != V_ASN1_SEQUENCE))
+ return NULL;
+ p = ext->value.sequence->data;
+ return d2i_ASN1_SET_OF_X509_EXTENSION(NULL, &p,
+ ext->value.sequence->length,
+ d2i_X509_EXTENSION,
+ X509_EXTENSION_free,
+ V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
+}
+
+/*
+ * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
+ * in case we want to create a non standard one.
+ */
+
+int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
+ int nid)
+{
+ unsigned char *p = NULL, *q;
+ long len;
+ ASN1_TYPE *at = NULL;
+ X509_ATTRIBUTE *attr = NULL;
+ if (!(at = ASN1_TYPE_new()) || !(at->value.sequence = ASN1_STRING_new()))
+ goto err;
+
+ at->type = V_ASN1_SEQUENCE;
+ /* Generate encoding of extensions */
+ len = i2d_ASN1_SET_OF_X509_EXTENSION(exts, NULL, i2d_X509_EXTENSION,
+ V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL,
+ IS_SEQUENCE);
+ if (!(p = OPENSSL_malloc(len)))
+ goto err;
+ q = p;
+ i2d_ASN1_SET_OF_X509_EXTENSION(exts, &q, i2d_X509_EXTENSION,
+ V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL,
+ IS_SEQUENCE);
+ at->value.sequence->data = p;
+ p = NULL;
+ at->value.sequence->length = len;
+ if (!(attr = X509_ATTRIBUTE_new()))
+ goto err;
+ if (!(attr->value.set = sk_ASN1_TYPE_new_null()))
+ goto err;
+ if (!sk_ASN1_TYPE_push(attr->value.set, at))
+ goto err;
+ at = NULL;
+ attr->single = 0;
+ attr->object = OBJ_nid2obj(nid);
+ if (!req->req_info->attributes) {
+ if (!(req->req_info->attributes = sk_X509_ATTRIBUTE_new_null()))
+ goto err;
+ }
+ if (!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr))
+ goto err;
+ return 1;
+ err:
+ if (p)
+ OPENSSL_free(p);
+ X509_ATTRIBUTE_free(attr);
+ ASN1_TYPE_free(at);
+ return 0;
+}
+
+/* This is the normal usage: use the "official" OID */
+int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
+{
+ return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
+}
+
+/* Request attribute functions */
+
+int X509_REQ_get_attr_count(const X509_REQ *req)
+{
+ return X509at_get_attr_count(req->req_info->attributes);
+}
+
+int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos)
+{
+ return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
+}
+
+int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
+ int lastpos)
+{
+ return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
+}
+
+X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
+{
+ return X509at_get_attr(req->req_info->attributes, loc);
+}
+
+X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
+{
+ return X509at_delete_attr(req->req_info->attributes, loc);
+}
+
+int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
+{
+ if (X509at_add1_attr(&req->req_info->attributes, attr))
+ return 1;
+ return 0;
+}
+
+int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
+ const ASN1_OBJECT *obj, int type,
+ const unsigned char *bytes, int len)
+{
+ if (X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
+ type, bytes, len))
+ return 1;
+ return 0;
+}
+
+int X509_REQ_add1_attr_by_NID(X509_REQ *req,
+ int nid, int type,
+ const unsigned char *bytes, int len)
+{
+ if (X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
+ type, bytes, len))
+ return 1;
+ return 0;
+}