| /* |
| * util.c |
| * |
| * Copyright (C) AB Strakt 2001, All rights reserved |
| * Copyright (C) Jean-Paul Calderone 2009, All rights reserved |
| * |
| * Utility functions. |
| * See the file RATIONALE for a short explanation of why this module was written. |
| * |
| * Reviewed 2001-07-23 |
| */ |
| #include <Python.h> |
| #include "util.h" |
| |
| /* |
| * Flush OpenSSL's error queue and return a list of errors (a (library, |
| * function, reason) string tuple) |
| * |
| * Arguments: None |
| * Returns: A list of errors (new reference) |
| */ |
| PyObject * |
| error_queue_to_list(void) { |
| PyObject *errlist, *tuple; |
| long err; |
| |
| errlist = PyList_New(0); |
| |
| while ((err = ERR_get_error()) != 0) { |
| tuple = Py_BuildValue("(sss)", ERR_lib_error_string(err), |
| ERR_func_error_string(err), |
| ERR_reason_error_string(err)); |
| PyList_Append(errlist, tuple); |
| Py_DECREF(tuple); |
| } |
| |
| return errlist; |
| } |
| |
| void exception_from_error_queue(PyObject *the_Error) { |
| PyObject *errlist = error_queue_to_list(); |
| PyErr_SetObject(the_Error, errlist); |
| Py_DECREF(errlist); |
| } |
| |
| /* |
| * Flush OpenSSL's error queue and ignore the result |
| * |
| * Arguments: None |
| * Returns: None |
| */ |
| void |
| flush_error_queue(void) { |
| /* |
| * Make sure to save the errors to a local. Py_DECREF might expand such |
| * that it evaluates its argument more than once, which would lead to |
| * very nasty things if we just invoked it with error_queue_to_list(). |
| */ |
| PyObject *list = error_queue_to_list(); |
| Py_DECREF(list); |
| } |
| |
| #if (PY_VERSION_HEX < 0x02600000) |
| PyObject* PyOpenSSL_LongToHex(PyObject *o) { |
| PyObject *hex = NULL; |
| PyObject *format = NULL; |
| PyObject *format_args = NULL; |
| |
| if ((format_args = Py_BuildValue("(O)", o)) == NULL) { |
| goto err; |
| } |
| |
| if ((format = PyString_FromString("%x")) == NULL) { |
| goto err; |
| } |
| |
| if ((hex = PyString_Format(format, format_args)) == NULL) { |
| goto err; |
| } |
| |
| return hex; |
| |
| err: |
| if (format_args) { |
| Py_DECREF(format_args); |
| } |
| if (format) { |
| Py_DECREF(format); |
| } |
| if (hex) { |
| Py_DECREF(hex); |
| } |
| return NULL; |
| } |
| #endif |