Respect const X509_get_*_name() return value

Author: mtrojnar

src/libp11-int.h

@@ -197,13 +197,13 @@ typedef struct pkcs11_template_st {
 	CK_ATTRIBUTE attrs[32];
 } PKCS11_TEMPLATE;
 
-typedef int (*pkcs11_i2d_fn) (void *, unsigned char **);
+typedef int (*pkcs11_i2d_fn) (const void *, unsigned char **);
 extern unsigned int pkcs11_addattr(PKCS11_TEMPLATE *, int, void *, size_t);
 #define pkcs11_addattr_var(_tmpl, _type, _var) pkcs11_addattr(_tmpl, _type, &(_var), sizeof(_var))
 extern void pkcs11_addattr_bool(PKCS11_TEMPLATE *, int, int);
 extern void pkcs11_addattr_s(PKCS11_TEMPLATE *, int, const char *);
 extern void pkcs11_addattr_bn(PKCS11_TEMPLATE *, int, const BIGNUM *);
-extern void pkcs11_addattr_obj(PKCS11_TEMPLATE *, int, pkcs11_i2d_fn, void *);
+extern void pkcs11_addattr_obj(PKCS11_TEMPLATE *, int, pkcs11_i2d_fn, const void *);
 extern void pkcs11_zap_attrs(PKCS11_TEMPLATE *);
 
 /* Internal implementation of current features */

src/p11_attr.c

@@ -145,7 +145,7 @@ void pkcs11_addattr_bn(PKCS11_TEMPLATE *tmpl, int type, const BIGNUM *bn)
 	}
 }
 
-void pkcs11_addattr_obj(PKCS11_TEMPLATE *tmpl, int type, pkcs11_i2d_fn enc, void *obj)
+void pkcs11_addattr_obj(PKCS11_TEMPLATE *tmpl, int type, pkcs11_i2d_fn enc, const void *obj)
 {
 	unsigned char *buf, *p;
 	unsigned int i;