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/* See https://www.python-ldap.org/ for details. */
#include "common.h"
#include "constants.h"
#include "LDAPObject.h"
#include "ldapcontrol.h"
#include "options.h"
#include "berval.h"
void
set_timeval_from_double(struct timeval *tv, double d)
{
tv->tv_usec = (long)(fmod(d, 1.0) * 1000000.0);
tv->tv_sec = (long)floor(d);
}
/**
* Converts a return code from ldap_set_option() or ldap_get_option()
* into a python error, and returns NULL.
*/
static PyObject *
option_error(int res, const char *fn)
{
if (res == LDAP_OPT_ERROR)
PyErr_SetString(PyExc_ValueError, "option error");
else if (res == LDAP_PARAM_ERROR)
PyErr_SetString(PyExc_ValueError, "parameter error");
else if (res == LDAP_NO_MEMORY)
PyErr_NoMemory();
else
PyErr_Format(PyExc_SystemError, "error %d from %s", res, fn);
return NULL;
}
/**
* Sets an LDAP option.
* Returns 0 on failure, 1 on success
*/
int
LDAP_set_option(LDAPObject *self, int option, PyObject *value)
{
int res;
int intval;
unsigned int uintval;
double doubleval;
char *strval;
struct timeval tv;
#if HAVE_SASL
/* unsigned long */
ber_len_t blen;
#endif
void *ptr;
LDAP *ld;
LDAPControl **controls = NULL;
ld = self ? self->ldap : NULL;
switch (option) {
case LDAP_OPT_API_INFO:
case LDAP_OPT_API_FEATURE_INFO:
case LDAP_OPT_DESC:
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_SSF:
#endif
#ifdef LDAP_OPT_X_TLS_PEERCERT
case LDAP_OPT_X_TLS_PEERCERT:
#endif
/* Read-only options */
PyErr_SetString(PyExc_ValueError, "read-only option");
return 0;
case LDAP_OPT_REFERRALS:
case LDAP_OPT_RESTART:
#ifdef LDAP_OPT_X_SASL_NOCANON
case LDAP_OPT_X_SASL_NOCANON:
#endif
#ifdef LDAP_OPT_CONNECT_ASYNC
case LDAP_OPT_CONNECT_ASYNC:
#endif
/* Truth-value options */
ptr = PyObject_IsTrue(value) ? LDAP_OPT_ON : LDAP_OPT_OFF;
break;
case LDAP_OPT_DEREF:
case LDAP_OPT_SIZELIMIT:
case LDAP_OPT_TIMELIMIT:
case LDAP_OPT_PROTOCOL_VERSION:
case LDAP_OPT_ERROR_NUMBER:
case LDAP_OPT_DEBUG_LEVEL:
#ifdef HAVE_TLS
case LDAP_OPT_X_TLS:
case LDAP_OPT_X_TLS_REQUIRE_CERT:
#ifdef LDAP_OPT_X_TLS_CRLCHECK
case LDAP_OPT_X_TLS_CRLCHECK:
#endif
#ifdef LDAP_OPT_X_TLS_NEWCTX
case LDAP_OPT_X_TLS_NEWCTX:
#endif
#ifdef LDAP_OPT_X_TLS_PROTOCOL_MIN
case LDAP_OPT_X_TLS_PROTOCOL_MIN:
#endif
#ifdef LDAP_OPT_X_TLS_PROTOCOL_MAX
case LDAP_OPT_X_TLS_PROTOCOL_MAX:
#endif
#ifdef LDAP_OPT_X_TLS_REQUIRE_SAN
case LDAP_OPT_X_TLS_REQUIRE_SAN:
#endif
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_IDLE
case LDAP_OPT_X_KEEPALIVE_IDLE:
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_PROBES
case LDAP_OPT_X_KEEPALIVE_PROBES:
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_INTERVAL
case LDAP_OPT_X_KEEPALIVE_INTERVAL:
#endif
/* integer value options */
if (!PyArg_Parse(value, "i:set_option", &intval))
return 0;
ptr = &intval;
break;
#ifdef LDAP_OPT_TCP_USER_TIMEOUT
case LDAP_OPT_TCP_USER_TIMEOUT:
#endif
if (!PyArg_Parse(value, "I:set_option", &uintval))
return 0;
ptr = &uintval;
break;
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_SSF_MIN:
case LDAP_OPT_X_SASL_SSF_MAX:
case LDAP_OPT_X_SASL_SSF_EXTERNAL:
case LDAP_OPT_X_SASL_MAXBUFSIZE:
if (!PyArg_Parse(value, "k:set_option", &blen))
return 0;
ptr = &blen;
break;
#endif
case LDAP_OPT_HOST_NAME:
case LDAP_OPT_URI:
#ifdef LDAP_OPT_DEFBASE
case LDAP_OPT_DEFBASE:
#endif
case LDAP_OPT_ERROR_STRING:
case LDAP_OPT_MATCHED_DN:
#ifdef HAVE_TLS
case LDAP_OPT_X_TLS_CACERTFILE:
case LDAP_OPT_X_TLS_CACERTDIR:
case LDAP_OPT_X_TLS_CERTFILE:
case LDAP_OPT_X_TLS_KEYFILE:
case LDAP_OPT_X_TLS_CIPHER_SUITE:
case LDAP_OPT_X_TLS_RANDOM_FILE:
case LDAP_OPT_X_TLS_DHFILE:
#ifdef LDAP_OPT_X_TLS_CRLFILE
case LDAP_OPT_X_TLS_CRLFILE:
#endif
#ifdef LDAP_OPT_X_TLS_ECNAME
case LDAP_OPT_X_TLS_ECNAME:
#endif
#endif
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_SECPROPS:
#endif
#ifdef LDAP_OPT_SOCKET_BIND_ADDRESSES
case LDAP_OPT_SOCKET_BIND_ADDRESSES:
#endif
/* String valued options */
if (!PyArg_Parse(value, "s:set_option", &strval))
return 0;
ptr = strval;
break;
case LDAP_OPT_TIMEOUT:
case LDAP_OPT_NETWORK_TIMEOUT:
/* Float valued timeval options */
if (value == Py_None) {
/* None is mapped to infinity timeout */
doubleval = -1;
}
else {
/* 'd' handles int/long */
if (!PyArg_Parse(value, "d:set_option", &doubleval)) {
if (PyErr_ExceptionMatches(PyExc_TypeError)) {
/* TypeError: mention either float or None is expected */
PyErr_Clear();
PyErr_Format(PyExc_TypeError,
"A float or None is expected for timeout, got %.100s",
Py_TYPE(value)->tp_name);
}
return 0;
}
}
if (doubleval >= 0) {
set_timeval_from_double(&tv, doubleval);
ptr = &tv;
}
else if (doubleval == -1) {
/* -1 is infinity timeout */
tv.tv_sec = -1;
tv.tv_usec = 0;
ptr = &tv;
}
else {
PyErr_Format(PyExc_ValueError,
"timeout must be >= 0 or -1/None for infinity, got %S",
value);
return 0;
}
break;
case LDAP_OPT_SERVER_CONTROLS:
case LDAP_OPT_CLIENT_CONTROLS:
if (!LDAPControls_from_object(value, &controls))
return 0;
ptr = controls;
break;
default:
PyErr_Format(PyExc_ValueError, "unknown option %d", option);
return 0;
}
if (self) {
LDAP_BEGIN_ALLOW_THREADS(self);
res = ldap_set_option(ld, option, ptr);
LDAP_END_ALLOW_THREADS(self);
}
else {
PyThreadState *save;
save = PyEval_SaveThread();
res = ldap_set_option(NULL, option, ptr);
PyEval_RestoreThread(save);
}
if ((option == LDAP_OPT_SERVER_CONTROLS) ||
(option == LDAP_OPT_CLIENT_CONTROLS))
LDAPControl_List_DEL(controls);
if (res != LDAP_OPT_SUCCESS) {
option_error(res, "ldap_set_option");
return 0;
}
return 1;
}
static int
LDAP_int_get_option(LDAPObject *self, int option, void *value)
{
int res;
if (self != NULL) {
LDAP_BEGIN_ALLOW_THREADS(self);
res = ldap_get_option(self->ldap, option, value);
LDAP_END_ALLOW_THREADS(self);
}
else {
PyThreadState *save;
save = PyEval_SaveThread();
res = ldap_get_option(NULL, option, value);
PyEval_RestoreThread(save);
}
return res;
}
PyObject *
LDAP_get_option(LDAPObject *self, int option)
{
int res;
int intval;
unsigned int uintval;
struct timeval *tv;
LDAPAPIInfo apiinfo;
LDAPControl **lcs;
char *strval;
struct berval berbytes;
#if HAVE_SASL
/* unsigned long */
ber_len_t blen;
#endif
PyObject *extensions, *v;
Py_ssize_t i, num_extensions;
switch (option) {
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_SECPROPS:
case LDAP_OPT_X_SASL_SSF_EXTERNAL:
/* Write-only options */
PyErr_SetString(PyExc_ValueError, "write-only option");
return NULL;
#endif
case LDAP_OPT_API_INFO:
apiinfo.ldapai_info_version = LDAP_API_INFO_VERSION;
res = LDAP_int_get_option(self, option, &apiinfo);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
/* put the extensions into tuple form */
num_extensions = 0;
while (apiinfo.ldapai_extensions[num_extensions])
num_extensions++;
extensions = PyTuple_New(num_extensions);
for (i = 0; i < num_extensions; i++)
PyTuple_SET_ITEM(extensions, i,
PyUnicode_FromString(apiinfo.ldapai_extensions
[i]));
/* return api info as a dictionary */
v = Py_BuildValue("{s:i, s:i, s:i, s:s, s:i, s:O}",
"info_version", apiinfo.ldapai_info_version,
"api_version", apiinfo.ldapai_api_version,
"protocol_version", apiinfo.ldapai_protocol_version,
"vendor_name", apiinfo.ldapai_vendor_name,
"vendor_version", apiinfo.ldapai_vendor_version,
"extensions", extensions);
if (apiinfo.ldapai_vendor_name)
ldap_memfree(apiinfo.ldapai_vendor_name);
for (i = 0; i < num_extensions; i++)
ldap_memfree(apiinfo.ldapai_extensions[i]);
ldap_memfree(apiinfo.ldapai_extensions);
Py_DECREF(extensions);
return v;
case LDAP_OPT_REFERRALS:
case LDAP_OPT_RESTART:
case LDAP_OPT_DEREF:
case LDAP_OPT_SIZELIMIT:
case LDAP_OPT_TIMELIMIT:
case LDAP_OPT_PROTOCOL_VERSION:
case LDAP_OPT_ERROR_NUMBER:
case LDAP_OPT_DEBUG_LEVEL:
case LDAP_OPT_DESC:
#ifdef HAVE_TLS
case LDAP_OPT_X_TLS:
case LDAP_OPT_X_TLS_REQUIRE_CERT:
#ifdef LDAP_OPT_X_TLS_CRLCHECK
case LDAP_OPT_X_TLS_CRLCHECK:
#endif
#ifdef LDAP_OPT_X_TLS_PROTOCOL_MIN
case LDAP_OPT_X_TLS_PROTOCOL_MIN:
#endif
#ifdef LDAP_OPT_X_TLS_PROTOCOL_MAX
case LDAP_OPT_X_TLS_PROTOCOL_MAX:
#endif
#ifdef LDAP_OPT_X_TLS_REQUIRE_SAN
case LDAP_OPT_X_TLS_REQUIRE_SAN:
#endif
#endif
#ifdef LDAP_OPT_X_SASL_NOCANON
case LDAP_OPT_X_SASL_NOCANON:
#endif
#ifdef LDAP_OPT_CONNECT_ASYNC
case LDAP_OPT_CONNECT_ASYNC:
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_IDLE
case LDAP_OPT_X_KEEPALIVE_IDLE:
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_PROBES
case LDAP_OPT_X_KEEPALIVE_PROBES:
#endif
#ifdef LDAP_OPT_X_KEEPALIVE_INTERVAL
case LDAP_OPT_X_KEEPALIVE_INTERVAL:
#endif
/* Integer-valued options */
res = LDAP_int_get_option(self, option, &intval);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
return PyInt_FromLong(intval);
#ifdef LDAP_OPT_TCP_USER_TIMEOUT
case LDAP_OPT_TCP_USER_TIMEOUT:
#endif
/* unsigned int options */
res = LDAP_int_get_option(self, option, &uintval);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
return PyLong_FromUnsignedLong(uintval);
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_SSF:
case LDAP_OPT_X_SASL_SSF_MIN:
case LDAP_OPT_X_SASL_SSF_MAX:
case LDAP_OPT_X_SASL_MAXBUFSIZE:
/* ber_len_t options (unsigned long)*/
res = LDAP_int_get_option(self, option, &blen);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
return PyLong_FromUnsignedLong(blen);
#endif
case LDAP_OPT_HOST_NAME:
case LDAP_OPT_URI:
#ifdef LDAP_OPT_DEFBASE
case LDAP_OPT_DEFBASE:
#endif
case LDAP_OPT_ERROR_STRING:
case LDAP_OPT_MATCHED_DN:
#ifdef HAVE_TLS
case LDAP_OPT_X_TLS_CACERTFILE:
case LDAP_OPT_X_TLS_CACERTDIR:
case LDAP_OPT_X_TLS_CERTFILE:
case LDAP_OPT_X_TLS_KEYFILE:
case LDAP_OPT_X_TLS_CIPHER_SUITE:
case LDAP_OPT_X_TLS_RANDOM_FILE:
case LDAP_OPT_X_TLS_DHFILE:
#ifdef LDAP_OPT_X_TLS_CRLFILE
case LDAP_OPT_X_TLS_CRLFILE:
#endif
#ifdef LDAP_OPT_X_TLS_VERSION
case LDAP_OPT_X_TLS_VERSION:
#endif
#ifdef LDAP_OPT_X_TLS_CIPHER
case LDAP_OPT_X_TLS_CIPHER:
#endif
#ifdef LDAP_OPT_X_TLS_PACKAGE
case LDAP_OPT_X_TLS_PACKAGE:
#endif
#ifdef LDAP_OPT_X_TLS_ECNAME
case LDAP_OPT_X_TLS_ECNAME:
#endif
#endif
#ifdef HAVE_SASL
case LDAP_OPT_X_SASL_MECH:
case LDAP_OPT_X_SASL_REALM:
case LDAP_OPT_X_SASL_AUTHCID:
case LDAP_OPT_X_SASL_AUTHZID:
#ifdef LDAP_OPT_X_SASL_USERNAME
case LDAP_OPT_X_SASL_USERNAME:
#endif
#endif
#ifdef LDAP_OPT_SOCKET_BIND_ADDRESSES
case LDAP_OPT_SOCKET_BIND_ADDRESSES:
#endif
/* String-valued options */
res = LDAP_int_get_option(self, option, &strval);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
if (strval == NULL) {
Py_INCREF(Py_None);
return Py_None;
}
v = PyUnicode_FromString(strval);
ldap_memfree(strval);
return v;
#ifdef HAVE_TLS
#ifdef LDAP_OPT_X_TLS_PEERCERT
case LDAP_OPT_X_TLS_PEERCERT:
#endif
#endif
/* Options dealing with raw data */
res = LDAP_int_get_option(self, option, &berbytes);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
v = LDAPberval_to_object(&berbytes);
ldap_memfree(berbytes.bv_val);
return v;
case LDAP_OPT_TIMEOUT:
case LDAP_OPT_NETWORK_TIMEOUT:
/* Double-valued timeval options */
res = LDAP_int_get_option(self, option, &tv);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
if (tv == NULL) {
Py_INCREF(Py_None);
return Py_None;
}
v = PyFloat_FromDouble((double)tv->tv_sec +
((double)tv->tv_usec / 1000000.0)
);
ldap_memfree(tv);
return v;
case LDAP_OPT_SERVER_CONTROLS:
case LDAP_OPT_CLIENT_CONTROLS:
res = LDAP_int_get_option(self, option, &lcs);
if (res != LDAP_OPT_SUCCESS)
return option_error(res, "ldap_get_option");
v = LDAPControls_to_List(lcs);
ldap_controls_free(lcs);
return v;
default:
PyErr_Format(PyExc_ValueError, "unknown option %d", option);
return NULL;
}
}