Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 1 | /* |
| 2 | * util.c |
| 3 | * |
Jean-Paul Calderone | 8671c85 | 2011-03-02 19:26:20 -0500 | [diff] [blame] | 4 | * Copyright (C) AB Strakt |
| 5 | * Copyright (C) Jean-Paul Calderone |
| 6 | * See LICENSE for details. |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 7 | * |
| 8 | * Utility functions. |
| 9 | * See the file RATIONALE for a short explanation of why this module was written. |
| 10 | * |
| 11 | * Reviewed 2001-07-23 |
| 12 | */ |
| 13 | #include <Python.h> |
| 14 | #include "util.h" |
| 15 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 16 | /* |
| 17 | * Flush OpenSSL's error queue and return a list of errors (a (library, |
| 18 | * function, reason) string tuple) |
| 19 | * |
| 20 | * Arguments: None |
| 21 | * Returns: A list of errors (new reference) |
| 22 | */ |
| 23 | PyObject * |
Jean-Paul Calderone | 88f38b2 | 2009-07-16 16:25:19 -0400 | [diff] [blame] | 24 | error_queue_to_list(void) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 25 | PyObject *errlist, *tuple; |
| 26 | long err; |
| 27 | |
| 28 | errlist = PyList_New(0); |
| 29 | |
Jean-Paul Calderone | 88f38b2 | 2009-07-16 16:25:19 -0400 | [diff] [blame] | 30 | while ((err = ERR_get_error()) != 0) { |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 31 | tuple = Py_BuildValue("(sss)", ERR_lib_error_string(err), |
| 32 | ERR_func_error_string(err), |
| 33 | ERR_reason_error_string(err)); |
| 34 | PyList_Append(errlist, tuple); |
| 35 | Py_DECREF(tuple); |
| 36 | } |
| 37 | |
| 38 | return errlist; |
| 39 | } |
| 40 | |
Jean-Paul Calderone | 88f38b2 | 2009-07-16 16:25:19 -0400 | [diff] [blame] | 41 | void exception_from_error_queue(PyObject *the_Error) { |
Rick Dean | d369c93 | 2009-07-08 11:48:33 -0500 | [diff] [blame] | 42 | PyObject *errlist = error_queue_to_list(); |
| 43 | PyErr_SetObject(the_Error, errlist); |
| 44 | Py_DECREF(errlist); |
| 45 | } |
| 46 | |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 47 | /* |
| 48 | * Flush OpenSSL's error queue and ignore the result |
| 49 | * |
| 50 | * Arguments: None |
| 51 | * Returns: None |
| 52 | */ |
| 53 | void |
Jean-Paul Calderone | 88f38b2 | 2009-07-16 16:25:19 -0400 | [diff] [blame] | 54 | flush_error_queue(void) { |
Jean-Paul Calderone | 5026f15 | 2009-07-16 18:47:27 -0400 | [diff] [blame] | 55 | /* |
| 56 | * Make sure to save the errors to a local. Py_DECREF might expand such |
| 57 | * that it evaluates its argument more than once, which would lead to |
| 58 | * very nasty things if we just invoked it with error_queue_to_list(). |
| 59 | */ |
Jean-Paul Calderone | a193328 | 2009-07-16 16:20:42 -0400 | [diff] [blame] | 60 | PyObject *list = error_queue_to_list(); |
| 61 | Py_DECREF(list); |
Jean-Paul Calderone | 897bc25 | 2008-02-18 20:50:23 -0500 | [diff] [blame] | 62 | } |
Jean-Paul Calderone | a5a032f | 2010-08-12 20:03:32 -0400 | [diff] [blame] | 63 | |
Jean-Paul Calderone | dd467fb | 2010-08-12 20:44:32 -0400 | [diff] [blame] | 64 | #if (PY_VERSION_HEX < 0x02600000) |
Jean-Paul Calderone | a5a032f | 2010-08-12 20:03:32 -0400 | [diff] [blame] | 65 | PyObject* PyOpenSSL_LongToHex(PyObject *o) { |
| 66 | PyObject *hex = NULL; |
| 67 | PyObject *format = NULL; |
| 68 | PyObject *format_args = NULL; |
| 69 | |
| 70 | if ((format_args = Py_BuildValue("(O)", o)) == NULL) { |
| 71 | goto err; |
| 72 | } |
| 73 | |
| 74 | if ((format = PyString_FromString("%x")) == NULL) { |
| 75 | goto err; |
| 76 | } |
| 77 | |
| 78 | if ((hex = PyString_Format(format, format_args)) == NULL) { |
| 79 | goto err; |
| 80 | } |
| 81 | |
| 82 | return hex; |
| 83 | |
| 84 | err: |
| 85 | if (format_args) { |
| 86 | Py_DECREF(format_args); |
| 87 | } |
| 88 | if (format) { |
| 89 | Py_DECREF(format); |
| 90 | } |
| 91 | if (hex) { |
| 92 | Py_DECREF(hex); |
| 93 | } |
| 94 | return NULL; |
| 95 | } |
Jean-Paul Calderone | dd467fb | 2010-08-12 20:44:32 -0400 | [diff] [blame] | 96 | #endif |