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Avoid compilation warnings in Python wrapper.

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All these are Python interface misconceptions,
the strings (or string arrays) in parameters should be const
parameters.

To avoid gcc confusing warnings just explicitly re-cast them.
This commit is contained in:
Milan Broz
2014-08-10 16:09:32 +02:00
parent 3350ff017f
commit 210ea612b3
1 changed files with 33 additions and 30 deletions
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63
python/pycryptsetup.c
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@@ -25,6 +25,9 @@
#include "libcryptsetup.h"
/* Python API use char* where const char* should be used... */
#define CONST_CAST(x) (x)(uintptr_t)
#if PY_MAJOR_VERSION < 3
#define MOD_ERROR_VAL
#define MOD_SUCCESS_VAL(val)
@@ -43,6 +46,8 @@
ob = PyModule_Create(&moduledef);
#endif
MOD_INIT(pycryptsetup);
typedef struct {
PyObject_HEAD
@@ -185,7 +190,7 @@ constructor takes one to five arguments:\n\
static int CryptSetup_init(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"device", "name", "yesDialog", "passwordDialog", "logFunc", NULL};
static const char *kwlist[] = {"device", "name", "yesDialog", "passwordDialog", "logFunc", NULL};
PyObject *yesDialogCB = NULL,
*passwordDialogCB = NULL,
*cmdLineLogCB = NULL,
@@ -193,7 +198,7 @@ static int CryptSetup_init(CryptSetupObject* self, PyObject *args, PyObject *kwd
char *device = NULL, *deviceName = NULL;
int r;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|zzOOO", kwlist, &device, &deviceName,
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|zzOOO", CONST_CAST(char**)kwlist, &device, &deviceName,
&yesDialogCB, &passwordDialogCB, &cmdLineLogCB))
return -1;
@@ -256,14 +261,13 @@ CryptSetup_activate_HELP[] =
static PyObject *CryptSetup_activate(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"name", "passphrase", NULL};
static const char *kwlist[] = {"name", "passphrase", NULL};
char *name = NULL, *passphrase = NULL;
int is;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|s", kwlist, &name, &passphrase))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|s", CONST_CAST(char**)kwlist, &name, &passphrase))
return NULL;
// FIXME: allow keyfile and \0 in passphrase
is = crypt_activate_by_passphrase(self->device, name, CRYPT_ANY_SLOT,
passphrase, passphrase ? strlen(passphrase) : 0, 0);
@@ -300,10 +304,10 @@ CryptSetup_askyes_HELP[] =
static PyObject *CryptSetup_askyes(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"message", NULL};
static const char *kwlist[] = {"message", NULL};
PyObject *message = NULL, *result, *arglist;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", kwlist, &message))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", CONST_CAST(char**)kwlist, &message))
return NULL;
Py_INCREF(message);
@@ -328,10 +332,10 @@ CryptSetup_log_HELP[] =
static PyObject *CryptSetup_log(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"priority", "message", NULL};
static const char *kwlist[] = {"priority", "message", NULL};
PyObject *message = NULL, *priority = NULL, *result, *arglist;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO", kwlist, &message, &priority))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO", CONST_CAST(char**)kwlist, &message, &priority))
return NULL;
Py_INCREF(message);
@@ -416,12 +420,12 @@ CryptSetup_luksFormat_HELP[] =
static PyObject *CryptSetup_luksFormat(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"cipher", "cipherMode", "keysize", NULL};
static const char *kwlist[] = {"cipher", "cipherMode", "keysize", NULL};
char *cipher_mode = NULL, *cipher = NULL;
int keysize = 256;
PyObject *keysize_object = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|zzO", kwlist,
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|zzO", CONST_CAST(char**)kwlist,
&cipher, &cipher_mode, &keysize_object))
return NULL;
@@ -455,12 +459,12 @@ CryptSetup_addKeyByPassphrase_HELP[] =
static PyObject *CryptSetup_addKeyByPassphrase(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"passphrase", "newPassphrase", "slot", NULL};
static const char *kwlist[] = {"passphrase", "newPassphrase", "slot", NULL};
char *passphrase = NULL, *newpassphrase = NULL;
size_t passphrase_len = 0, newpassphrase_len = 0;
int slot = CRYPT_ANY_SLOT;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "ss|i", kwlist, &passphrase, &newpassphrase, &slot))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "ss|i", CONST_CAST(char**)kwlist, &passphrase, &newpassphrase, &slot))
return NULL;
if(passphrase)
@@ -483,12 +487,12 @@ CryptSetup_addKeyByVolumeKey_HELP[] =
static PyObject *CryptSetup_addKeyByVolumeKey(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"newPassphrase", "slot", NULL};
static const char *kwlist[] = {"newPassphrase", "slot", NULL};
char *newpassphrase = NULL;
size_t newpassphrase_len = 0;
int slot = CRYPT_ANY_SLOT;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|i", kwlist, &newpassphrase, &slot))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s|i", CONST_CAST(char**)kwlist, &newpassphrase, &slot))
return NULL;
if (newpassphrase)
@@ -506,12 +510,12 @@ CryptSetup_removePassphrase_HELP[] =
static PyObject *CryptSetup_removePassphrase(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"passphrase", NULL};
static const char *kwlist[] = {"passphrase", NULL};
char *passphrase = NULL;
size_t passphrase_len = 0;
int is;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s", kwlist, &passphrase))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s", CONST_CAST(char**)kwlist, &passphrase))
return NULL;
if (passphrase)
@@ -533,10 +537,10 @@ CryptSetup_killSlot_HELP[] =
static PyObject *CryptSetup_killSlot(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"slot", NULL};
static const char *kwlist[] = {"slot", NULL};
int slot = CRYPT_ANY_SLOT;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", kwlist, &slot))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", CONST_CAST(char**)kwlist, &slot))
return NULL;
switch (crypt_keyslot_status(self->device, slot)) {
@@ -579,7 +583,7 @@ CryptSetup_Resume_HELP[] =
static PyObject *CryptSetup_Resume(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"passphrase", NULL};
static const char *kwlist[] = {"passphrase", NULL};
char* passphrase = NULL;
size_t passphrase_len = 0;
@@ -588,10 +592,9 @@ static PyObject *CryptSetup_Resume(CryptSetupObject* self, PyObject *args, PyObj
return NULL;
}
if (! PyArg_ParseTupleAndKeywords(args, kwds, "|s", kwlist, &passphrase))
if (! PyArg_ParseTupleAndKeywords(args, kwds, "|s", CONST_CAST(char**)kwlist, &passphrase))
return NULL;
if (passphrase)
passphrase_len = strlen(passphrase);
@@ -622,10 +625,10 @@ CryptSetup_debugLevel_HELP[] =
static PyObject *CryptSetup_debugLevel(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"level", NULL};
static const char *kwlist[] = {"level", NULL};
int level = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", kwlist, &level))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "i", CONST_CAST(char**)kwlist, &level))
return NULL;
crypt_set_debug_level(level);
@@ -641,10 +644,10 @@ CryptSetup_iterationTime_HELP[] =
static PyObject *CryptSetup_iterationTime(CryptSetupObject* self, PyObject *args, PyObject *kwds)
{
static char *kwlist[] = {"time_ms", NULL};
static const char *kwlist[] = {"time_ms", NULL};
uint64_t time_ms = 0;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "K", kwlist, &time_ms))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "K", CONST_CAST(char**)kwlist, &time_ms))
return NULL;
crypt_set_iteration_time(self->device, time_ms);
@@ -653,9 +656,9 @@ static PyObject *CryptSetup_iterationTime(CryptSetupObject* self, PyObject *args
}
static PyMemberDef CryptSetup_members[] = {
{"yesDialogCB", T_OBJECT_EX, offsetof(CryptSetupObject, yesDialogCB), 0, "confirmation dialog callback"},
{"cmdLineLogCB", T_OBJECT_EX, offsetof(CryptSetupObject, cmdLineLogCB), 0, "logging callback"},
{"passwordDialogCB", T_OBJECT_EX, offsetof(CryptSetupObject, passwordDialogCB), 0, "password dialog callback"},
{CONST_CAST(char*)"yesDialogCB", T_OBJECT_EX, offsetof(CryptSetupObject, yesDialogCB), 0, CONST_CAST(char*)"confirmation dialog callback"},
{CONST_CAST(char*)"cmdLineLogCB", T_OBJECT_EX, offsetof(CryptSetupObject, cmdLineLogCB), 0, CONST_CAST(char*)"logging callback"},
{CONST_CAST(char*)"passwordDialogCB", T_OBJECT_EX, offsetof(CryptSetupObject, passwordDialogCB), 0, CONST_CAST(char*)"password dialog callback"},
{NULL}
};
@@ -671,7 +674,7 @@ static PyMethodDef CryptSetup_methods[] = {
/* cryptsetup info entrypoints */
{"luksUUID", (PyCFunction)CryptSetup_luksUUID, METH_NOARGS, CryptSetup_luksUUID_HELP},
{"isLuks", (PyCFunction)CryptSetup_isLuks, METH_NOARGS, CryptSetup_isLuks_HELP},
{"info", (PyCFunction)CryptSetup_Info, METH_NOARGS, CryptSetup_Info_HELP},
{"info", (PyCFunction)CryptSetup_Info, METH_NOARGS, CryptSetup_Info_HELP},
{"status", (PyCFunction)CryptSetup_Status, METH_NOARGS, CryptSetup_Status_HELP},
/* cryptsetup mgmt entrypoints */