Add copy_extensions option to 'ca' utility.

1 files changed, 56 insertions, 0 deletions

diff --git a/apps/apps.c b/apps/apps.c
index d8d9140075..4aeabdfa38 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -809,6 +809,62 @@ int set_name_ex(unsigned long *flags, const char *arg)
 	return set_multi_opts(flags, arg, ex_tbl);
 }
 
+int set_ext_copy(int *copy_type, const char *arg)
+{
+	if (!strcasecmp(arg, "none"))
+		*copy_type = EXT_COPY_NONE;
+	else if (!strcasecmp(arg, "copy"))
+		*copy_type = EXT_COPY_ADD;
+	else if (!strcasecmp(arg, "copyall"))
+		*copy_type = EXT_COPY_ALL;
+	else
+		return 0;
+	return 1;
+}
+
+int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
+{
+	STACK_OF(X509_EXTENSION) *exts = NULL;
+	X509_EXTENSION *ext, *tmpext;
+	ASN1_OBJECT *obj;
+	int i, idx, ret = 0;
+	if (!x || !req || (copy_type == EXT_COPY_NONE))
+		return 1;
+	exts = X509_REQ_get_extensions(req);
+
+	for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
+		ext = sk_X509_EXTENSION_value(exts, i);
+		obj = X509_EXTENSION_get_object(ext);
+		idx = X509_get_ext_by_OBJ(x, obj, -1);
+		/* Does extension exist? */
+		if (idx != -1) {
+			/* If normal copy don't override existing extension */
+			if (copy_type == EXT_COPY_ADD)
+				continue;
+			/* Delete all extensions of same type */
+			do {
+				tmpext = X509_get_ext(x, idx);
+				X509_delete_ext(x, idx);
+				X509_EXTENSION_free(tmpext);
+				idx = X509_get_ext_by_OBJ(x, obj, -1);
+			} while (idx != -1);
+		}
+		if (!X509_add_ext(x, ext, -1))
+			goto end;
+	}
+
+	ret = 1;
+
+	end:
+
+	sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
+
+	return ret;
+}
+		
+		
+			
+
 static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl)
 {
 	STACK_OF(CONF_VALUE) *vals;