/* goodG2B() - use goodsource and badsink by reversing the blocks on the goto statement */
static void goodG2B()
{
char * data;
char dataBuffer[256] = "";
data = dataBuffer;
goto source;
source:
/* FIX: Use a fixed file name */
strcat(data, "Doe, XXXXX");
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
char filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snprintf(filter, 256-1, "(cn=%s)", data);
pLdapConnection = ldap_initA("localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sA(
pLdapConnection,
"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
bool AD::Connect()
{
DWORD ret;
LONG value;
//if(!Init())
//{
if(!InitSSL())
{
Util::Warn(L"Unable to initialize an LDAP context.");
return false;
}
else
{
if((ret = ldap_get_option(ldap, LDAP_OPT_SSL, (void *)&value)) != LDAP_SUCCESS)
{
Util::Error(LdapGetLastError(), L"ldap_get_option()");
}
if((void *)value == LDAP_OPT_ON)
{
if((ret = ldap_set_option(ldap, LDAP_OPT_SSL, LDAP_OPT_ON)) != LDAP_SUCCESS)
{
Util::Error(LdapGetLastError(), L"ldap_set_option()");
}
}
}
//}
if(ldap_set_option(ldap, LDAP_OPT_PROTOCOL_VERSION, (void *)LDAP_VERSION3) != LDAP_SUCCESS)
{
Util::Error(LdapGetLastError(), L"ldap_set_option()");
wprintf(L"Ret = %x\n", LdapGetLastError());
}
return (ldap_connect(ldap, NULL) == LDAP_SUCCESS) ? true : false;
}
int _LDAP_initialization(LDAP **ld, PyObject *url) {
int rc;
int portnum;
char *hoststr = NULL;
const int version = LDAP_VERSION3;
PyObject *scheme = PyObject_GetAttrString(url, "scheme");
PyObject *host = PyObject_GetAttrString(url, "host");
PyObject *port = PyObject_GetAttrString(url, "port");
if (scheme == NULL || host == NULL || port == NULL) return -1;
hoststr = PyObject2char(host);
portnum = PyLong_AsLong(port);
Py_DECREF(host);
Py_DECREF(port);
if (hoststr == NULL) return -1;
if (PyUnicode_CompareWithASCIIString(scheme, "ldaps") == 0) {
*ld = ldap_sslinit(hoststr, portnum, 1);
} else {
*ld = ldap_init(hoststr, portnum);
}
Py_DECREF(scheme);
if (ld == NULL) return -1;
ldap_set_option(*ld, LDAP_OPT_PROTOCOL_VERSION, &version);
rc = ldap_connect(*ld, NULL);
return rc;
}
void CWE90_LDAP_Injection__w32_wchar_t_environment_21_bad()
{
wchar_t * data;
wchar_t dataBuffer[256] = L"";
data = dataBuffer;
badStatic = 1; /* true */
data = badSource(data);
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
void CWE90_LDAP_Injection__w32_wchar_t_listen_socket_64b_badSink(void * dataVoidPtr)
{
/* cast void pointer to a pointer of the appropriate type */
wchar_t * * dataPtr = (wchar_t * *)dataVoidPtr;
/* dereference dataPtr into data */
wchar_t * data = (*dataPtr);
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
void badSink(vector<char *> dataVector)
{
/* copy data out of dataVector */
char * data = dataVector[2];
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
char filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snprintf(filter, 256-1, "(cn=%s)", data);
pLdapConnection = ldap_initA("localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sA(
pLdapConnection,
"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
/* -1 if trouble
0 if user is NOT member of current server group
1 if user IS MEMBER of current server group
*/
int ldap_ismember(ldap_opt_t * l, const char * user) {
LDAPMessage *res;
char * filter;
int i;
if ((!l->sgroup) || !(l->g_basedn))
return 1;
/* Am i still connected ? RETRY n times */
/* XXX TODO: setup some conf value for retrying */
if (!(l->flags & FLAG_CONNECTED))
for (i = 0 ; i < 2 ; i++)
if (ldap_connect(l) == 0)
break;
/* quick check for attempts to be evil */
if ((strchr(user, '(') != NULL) || (strchr(user, ')') != NULL) ||
(strchr(user, '*') != NULL) || (strchr(user, '\\') != NULL))
return FAILURE;
/* build filter for LDAP request */
REQUEST_GROUP(filter, l->fgroup, user);
if (ldap_search_st( l->ld,
l->g_basedn,
LDAP_SCOPE_SUBTREE,
filter,
NULL, 0, &l->s_timeout, &res) != LDAP_SUCCESS) {
ldap_perror(l->ld, "ldap_search_st()");
free(filter);
/* XXX error on search, timeout etc.. close ask for reconnect */
ldap_close(l);
return FAILURE;
}
free(filter);
/* check if any results */
if (ldap_count_entries(l->ld, res) > 0) {
ldap_msgfree(res);
return 1;
}
ldap_msgfree(res);
return 0;
}
static int
ldap_open(void)
{
struct aldap_message *amsg = NULL;
aldap = ldap_connect(url);
if (aldap == NULL) {
log_warnx("warn: table-ldap: ldap_connect error");
goto err;
}
if (aldap_bind(aldap, username, password) == -1) {
log_warnx("warn: table-ldap: aldap_bind error");
goto err;
}
if ((amsg = aldap_parse(aldap)) == NULL) {
log_warnx("warn: table-ldap: aldap_parse");
goto err;
}
switch (aldap_get_resultcode(amsg)) {
case LDAP_SUCCESS:
log_debug("debug: table-ldap: ldap server accepted credentials");
break;
case LDAP_INVALID_CREDENTIALS:
log_warnx("warn: table-ldap: ldap server refused credentials");
goto err;
default:
log_warnx("warn: table-ldap: failed to bind, result #%d",
aldap_get_resultcode(amsg));
goto err;
}
if (amsg)
aldap_freemsg(amsg);
return (1);
err:
if (aldap)
aldap_close(aldap);
if (amsg)
aldap_freemsg(amsg);
return (0);
}
int _LDAP_initialization(LDAP **ld, PyObject *url, int tls_option) {
int rc;
int portnum;
char *hoststr = NULL;
const int version = LDAP_VERSION3;
const int tls_settings = SCH_CRED_MANUAL_CRED_VALIDATION | SCH_CRED_NO_SERVERNAME_CHECK;
PyObject *scheme = PyObject_GetAttrString(url, "scheme");
PyObject *host = PyObject_GetAttrString(url, "host");
PyObject *port = PyObject_GetAttrString(url, "port");
if (scheme == NULL || host == NULL || port == NULL) return -1;
hoststr = PyObject2char(host);
portnum = PyLong_AsLong(port);
Py_DECREF(host);
Py_DECREF(port);
if (hoststr == NULL) return -1;
if (PyUnicode_CompareWithASCIIString(scheme, "ldaps") == 0) {
*ld = ldap_sslinit(hoststr, portnum, 1);
} else {
*ld = ldap_init(hoststr, portnum);
}
Py_DECREF(scheme);
if (ld == NULL) return -1;
ldap_set_option(*ld, LDAP_OPT_PROTOCOL_VERSION, &version);
switch (tls_option) {
case -1:
/* Cert policy is not set, nothing to do.*/
break;
case 2:
case 4:
/* Cert policy is demand or try, then standard procedure. */
break;
case 0:
case 3:
/* Cert policy is never or allow, then set TLS settings. */
ldap_set_option(*ld, 0x43, &tls_settings);
ldap_set_option(*ld, LDAP_OPT_SERVER_CERTIFICATE, &noverify);
break;
}
rc = ldap_connect(*ld, NULL);
return rc;
}
void AD::GetDN()
{
LPWSTR filters[2];
LDAPMessage *search;
LDAPMessage *entry;
PWCHAR attribute;
PWCHAR *value;
BerElement *berElement;
filters[0] = L"rootDomainNamingContext";
filters[1] = NULL;
ldap = ldap_init((PWCHAR)host.c_str(), LDAP_PORT);
// Null binding; to do that we simply do not call ldap_bind.
if(ldap_connect(ldap, NULL) != LDAP_SUCCESS)
{
Util::Error(LdapGetLastError(), L"ldap_connect()");
wprintf(L"Ret = %x\n", LdapGetLastError());
}
if(ldap_search_s(ldap, L"", LDAP_SCOPE_BASE, L"(&(objectClass=*))", filters, 0, &search) != LDAP_SUCCESS)
{
Util::Error(LdapGetLastError(), L"ldap_search_s()");
wprintf(L"Ret= %x\n", LdapGetLastError());
}
entry = ldap_first_entry(ldap, search);
attribute = ldap_first_attribute(ldap, entry, &berElement);
if(lstrcmpi(L"rootDomainNamingContext", attribute) == 0)
{
value = ldap_get_values(ldap, entry, attribute);
wprintf(L"value = %s\n", value[0]);
dn = value[0];
}
else
{
dn.clear();
}
ldap_value_free(value);
ldap_memfree(attribute);
ldap_msgfree(search);
ber_free(berElement, 0);
}
int ldap_reconnect(char* _ld_name)
{
int rc;
if (ldap_disconnect(_ld_name) != 0)
{
LM_ERR("[%s]: disconnect failed\n", _ld_name);
return -1;
}
if ((rc = ldap_connect(_ld_name)) != 0)
{
LM_ERR("[%s]: reconnect failed\n",
_ld_name);
}
else
{
LM_ERR("[%s]: LDAP reconnect successful\n",
_ld_name);
}
return rc;
}
static int child_init(int rank)
{
int i = 0, ld_count = 0;
char* ld_name;
/* don't do anything for non-worker process */
if (rank==PROC_MAIN || rank==PROC_TCP_MAIN) {
return 0;
}
/*
* build ld_sessions and connect all sessions
*/
ld_count = iniparser_getnsec(config_vals);
for (i = 0; i < ld_count; i++)
{
ld_name = iniparser_getsecname(config_vals, i);
if (add_ld_session(ld_name,
NULL,
config_vals)
!= 0)
{
LM_ERR("[%s]: add_ld_session failed\n", ld_name);
return -1;
}
if (ldap_connect(ld_name) != 0)
{
LM_ERR("[%s]: failed to connect to LDAP host(s)\n", ld_name);
ldap_disconnect(ld_name);
return -1;
}
}
return 0;
}
void CWE90_LDAP_Injection__w32_wchar_t_listen_socket_12_bad()
{
wchar_t * data;
wchar_t dataBuffer[256] = L"";
data = dataBuffer;
if(globalReturnsTrueOrFalse())
{
{
#ifdef _WIN32
WSADATA wsaData;
int wsaDataInit = 0;
#endif
int recvResult;
struct sockaddr_in service;
wchar_t *replace;
SOCKET listenSocket = INVALID_SOCKET;
SOCKET acceptSocket = INVALID_SOCKET;
size_t dataLen = wcslen(data);
do
{
#ifdef _WIN32
if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
{
break;
}
wsaDataInit = 1;
#endif
/* POTENTIAL FLAW: Read data using a listen socket */
listenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (listenSocket == INVALID_SOCKET)
{
break;
}
memset(&service, 0, sizeof(service));
service.sin_family = AF_INET;
service.sin_addr.s_addr = INADDR_ANY;
service.sin_port = htons(TCP_PORT);
if (bind(listenSocket, (struct sockaddr*)&service, sizeof(service)) == SOCKET_ERROR)
{
break;
}
if (listen(listenSocket, LISTEN_BACKLOG) == SOCKET_ERROR)
{
break;
}
acceptSocket = accept(listenSocket, NULL, NULL);
if (acceptSocket == SOCKET_ERROR)
{
break;
}
/* Abort on error or the connection was closed */
recvResult = recv(acceptSocket, (char *)(data + dataLen), sizeof(wchar_t) * (256 - dataLen - 1), 0);
if (recvResult == SOCKET_ERROR || recvResult == 0)
{
break;
}
/* Append null terminator */
data[dataLen + recvResult / sizeof(wchar_t)] = L'\0';
/* Eliminate CRLF */
replace = wcschr(data, L'\r');
if (replace)
{
*replace = L'\0';
}
replace = wcschr(data, L'\n');
if (replace)
{
*replace = L'\0';
}
}
while (0);
if (listenSocket != INVALID_SOCKET)
{
CLOSE_SOCKET(listenSocket);
}
if (acceptSocket != INVALID_SOCKET)
{
CLOSE_SOCKET(acceptSocket);
}
#ifdef _WIN32
if (wsaDataInit)
{
WSACleanup();
}
#endif
}
}
else
{
/* FIX: Use a fixed file name */
wcscat(data, L"Doe, XXXXX");
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
/* goodG2B1() - use goodsource and badsink by changing the staticFive==5 to staticFive!=5 */
static void goodG2B1()
{
wchar_t * data;
wchar_t dataBuffer[256] = L"";
data = dataBuffer;
if(staticFive!=5)
{
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
printLine("Benign, fixed string");
}
else
{
/* FIX: Use a fixed file name */
wcscat(data, L"Doe, XXXXX");
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
void CWE90_LDAP_Injection__w32_wchar_t_environment_12_bad()
{
wchar_t * data;
wchar_t dataBuffer[256] = L"";
data = dataBuffer;
if(globalReturnsTrueOrFalse())
{
{
/* Append input from an environment variable to data */
size_t dataLen = wcslen(data);
wchar_t * environment = GETENV(ENV_VARIABLE);
/* If there is data in the environment variable */
if (environment != NULL)
{
/* POTENTIAL FLAW: Read data from an environment variable */
wcsncat(data+dataLen, environment, 256-dataLen-1);
}
}
}
else
{
/* FIX: Use a fixed file name */
wcscat(data, L"Doe, XXXXX");
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
void CWE90_LDAP_Injection__w32_char_connect_socket_08_bad()
{
char * data;
char dataBuffer[256] = "";
data = dataBuffer;
if(staticReturnsTrue())
{
{
#ifdef _WIN32
WSADATA wsaData;
int wsaDataInit = 0;
#endif
int recvResult;
struct sockaddr_in service;
char *replace;
SOCKET connectSocket = INVALID_SOCKET;
size_t dataLen = strlen(data);
do
{
#ifdef _WIN32
if (WSAStartup(MAKEWORD(2,2), &wsaData) != NO_ERROR)
{
break;
}
wsaDataInit = 1;
#endif
/* POTENTIAL FLAW: Read data using a connect socket */
connectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (connectSocket == INVALID_SOCKET)
{
break;
}
memset(&service, 0, sizeof(service));
service.sin_family = AF_INET;
service.sin_addr.s_addr = inet_addr(IP_ADDRESS);
service.sin_port = htons(TCP_PORT);
if (connect(connectSocket, (struct sockaddr*)&service, sizeof(service)) == SOCKET_ERROR)
{
break;
}
/* Abort on error or the connection was closed, make sure to recv one
* less char than is in the recv_buf in order to append a terminator */
/* Abort on error or the connection was closed */
recvResult = recv(connectSocket, (char *)(data + dataLen), sizeof(char) * (256 - dataLen - 1), 0);
if (recvResult == SOCKET_ERROR || recvResult == 0)
{
break;
}
/* Append null terminator */
data[dataLen + recvResult / sizeof(char)] = '\0';
/* Eliminate CRLF */
replace = strchr(data, '\r');
if (replace)
{
*replace = '\0';
}
replace = strchr(data, '\n');
if (replace)
{
*replace = '\0';
}
}
while (0);
if (connectSocket != INVALID_SOCKET)
{
CLOSE_SOCKET(connectSocket);
}
#ifdef _WIN32
if (wsaDataInit)
{
WSACleanup();
}
#endif
}
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
char filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snprintf(filter, 256-1, "(cn=%s)", data);
pLdapConnection = ldap_initA("localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sA(
pLdapConnection,
"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
/*%
* This function is the real core of the driver. Zone, record
* and client strings are passed in (or NULL is passed if the
* string is not available). The type of query we want to run
* is indicated by the query flag, and the dbdata object is passed
* passed in to. dbdata really holds either:
* 1) a list of database instances (in multithreaded mode) OR
* 2) a single database instance (in single threaded mode)
* The function will construct the query and obtain an available
* database instance (DBI). It will then run the query and hopefully
* obtain a result set.
*/
static isc_result_t
ldap_get_results(const char *zone, const char *record,
const char *client, unsigned int query,
void *dbdata, void *ptr)
{
isc_result_t result;
ldap_instance_t *db = (ldap_instance_t *)dbdata;
dbinstance_t *dbi = NULL;
char *querystring = NULL;
LDAPURLDesc *ldap_url = NULL;
int ldap_result = 0;
LDAPMessage *ldap_msg = NULL;
int i;
int entries;
/* get db instance / connection */
#if PTHREADS
/* find an available DBI from the list */
dbi = ldap_find_avail_conn(db);
#else /* PTHREADS */
/*
* only 1 DBI - no need to lock instance lock either
* only 1 thread in the whole process, no possible contention.
*/
dbi = (dbinstance_t *)(db->db);
#endif /* PTHREADS */
/* if DBI is null, can't do anything else */
if (dbi == NULL)
return (ISC_R_FAILURE);
/* set fields */
if (zone != NULL) {
dbi->zone = strdup(zone);
if (dbi->zone == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
} else
dbi->zone = NULL;
if (record != NULL) {
dbi->record = strdup(record);
if (dbi->record == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
} else
dbi->record = NULL;
if (client != NULL) {
dbi->client = strdup(client);
if (dbi->client == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
} else
dbi->client = NULL;
/* what type of query are we going to run? */
switch (query) {
case ALLNODES:
/*
* if the query was not passed in from the config file
* then we can't run it. return not_implemented, so
* it's like the code for that operation was never
* built into the driver.... AHHH flexibility!!!
*/
if (dbi->allnodes_q == NULL) {
result = ISC_R_NOTIMPLEMENTED;
goto cleanup;
} else
querystring = build_querystring(dbi->allnodes_q);
break;
case ALLOWXFR:
/* same as comments as ALLNODES */
if (dbi->allowxfr_q == NULL) {
result = ISC_R_NOTIMPLEMENTED;
goto cleanup;
} else
querystring = build_querystring(dbi->allowxfr_q);
break;
case AUTHORITY:
/* same as comments as ALLNODES */
if (dbi->authority_q == NULL) {
result = ISC_R_NOTIMPLEMENTED;
goto cleanup;
} else
querystring = build_querystring(dbi->authority_q);
break;
case FINDZONE:
/* this is required. It's the whole point of DLZ! */
if (dbi->findzone_q == NULL) {
db->log(ISC_LOG_DEBUG(2),
"No query specified for findzone. "
"Findzone requires a query");
result = ISC_R_FAILURE;
goto cleanup;
} else
querystring = build_querystring(dbi->findzone_q);
break;
case LOOKUP:
/* this is required. It's also a major point of DLZ! */
if (dbi->lookup_q == NULL) {
db->log(ISC_LOG_DEBUG(2),
"No query specified for lookup. "
"Lookup requires a query");
result = ISC_R_FAILURE;
goto cleanup;
} else
querystring = build_querystring(dbi->lookup_q);
break;
default:
/*
* this should never happen. If it does, the code is
* screwed up!
*/
db->log(ISC_LOG_ERROR,
"Incorrect query flag passed to ldap_get_results");
result = ISC_R_UNEXPECTED;
goto cleanup;
}
/* if the querystring is null, Bummer, outta RAM. UPGRADE TIME!!! */
if (querystring == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
/*
* output the full query string during debug so we can see
* what lame error the query has.
*/
db->log(ISC_LOG_DEBUG(1), "Query String: %s", querystring);
/* break URL down into it's component parts, if error cleanup */
ldap_result = ldap_url_parse(querystring, &ldap_url);
if (ldap_result != LDAP_SUCCESS || ldap_url == NULL) {
result = ISC_R_FAILURE;
goto cleanup;
}
for (i = 0; i < 3; i++) {
/*
* dbi->dbconn may be null if trying to reconnect on a
* previous query failed.
*/
if (dbi->dbconn == NULL) {
db->log(ISC_LOG_INFO,
"LDAP driver attempting to re-connect");
result = ldap_connect((ldap_instance_t *) dbdata, dbi);
if (result != ISC_R_SUCCESS) {
result = ISC_R_FAILURE;
continue;
}
}
/* perform ldap search syncronously */
ldap_result = ldap_search_s((LDAP *) dbi->dbconn,
ldap_url->lud_dn,
ldap_url->lud_scope,
ldap_url->lud_filter,
ldap_url->lud_attrs, 0, &ldap_msg);
/*
* check return code. No such object is ok, just
* didn't find what we wanted
*/
switch (ldap_result) {
case LDAP_NO_SUCH_OBJECT:
db->log(ISC_LOG_DEBUG(1),
"No object found matching query requirements");
result = ISC_R_NOTFOUND;
goto cleanup;
break;
case LDAP_SUCCESS: /* on success do nothing */
result = ISC_R_SUCCESS;
i = 3;
break;
case LDAP_SERVER_DOWN:
db->log(ISC_LOG_INFO,
"LDAP driver attempting to re-connect");
result = ldap_connect((ldap_instance_t *) dbdata, dbi);
if (result != ISC_R_SUCCESS)
result = ISC_R_FAILURE;
break;
default:
/*
* other errors not ok. Log error message and
* get out
*/
db->log(ISC_LOG_ERROR, "LDAP error: %s",
ldap_err2string(ldap_result));
result = ISC_R_FAILURE;
goto cleanup;
break;
}
}
if (result != ISC_R_SUCCESS)
goto cleanup;
switch (query) {
case ALLNODES:
result = ldap_process_results(db, (LDAP *) dbi->dbconn,
ldap_msg, ldap_url->lud_attrs,
ptr, ISC_TRUE);
break;
case AUTHORITY:
case LOOKUP:
result = ldap_process_results(db, (LDAP *) dbi->dbconn,
ldap_msg, ldap_url->lud_attrs,
ptr, ISC_FALSE);
break;
case ALLOWXFR:
entries = ldap_count_entries((LDAP *) dbi->dbconn, ldap_msg);
if (entries == 0)
result = ISC_R_NOPERM;
else if (entries > 0)
result = ISC_R_SUCCESS;
else
result = ISC_R_FAILURE;
break;
case FINDZONE:
entries = ldap_count_entries((LDAP *) dbi->dbconn, ldap_msg);
if (entries == 0)
result = ISC_R_NOTFOUND;
else if (entries > 0)
result = ISC_R_SUCCESS;
else
result = ISC_R_FAILURE;
break;
default:
/*
* this should never happen. If it does, the code is
* screwed up!
*/
db->log(ISC_LOG_ERROR,
"Incorrect query flag passed to ldap_get_results");
result = ISC_R_UNEXPECTED;
}
cleanup:
/* it's always good to cleanup after yourself */
/* if we retrieved results, free them */
if (ldap_msg != NULL)
ldap_msgfree(ldap_msg);
if (ldap_url != NULL)
ldap_free_urldesc(ldap_url);
/* cleanup */
if (dbi->zone != NULL)
free(dbi->zone);
if (dbi->record != NULL)
free(dbi->record);
if (dbi->client != NULL)
free(dbi->client);
dbi->zone = dbi->record = dbi->client = NULL;
/* release the lock so another thread can use this dbi */
(void) dlz_mutex_unlock(&dbi->lock);
/* release query string */
if (querystring != NULL)
free(querystring);
/* return result */
return (result);
}
void CWE90_LDAP_Injection__w32_char_console_14_bad()
{
char * data;
char dataBuffer[256] = "";
data = dataBuffer;
if(globalFive==5)
{
{
/* Read input from the console */
size_t dataLen = strlen(data);
/* if there is room in data, read into it from the console */
if (256-dataLen > 1)
{
/* POTENTIAL FLAW: Read data from the console */
if (fgets(data+dataLen, (int)(256-dataLen), stdin) != NULL)
{
/* The next few lines remove the carriage return from the string that is
* inserted by fgets() */
dataLen = strlen(data);
if (dataLen > 0 && data[dataLen-1] == '\n')
{
data[dataLen-1] = '\0';
}
}
else
{
printLine("fgets() failed");
/* Restore NUL terminator if fgets fails */
data[dataLen] = '\0';
}
}
}
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
char filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snprintf(filter, 256-1, "(cn=%s)", data);
pLdapConnection = ldap_initA("localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sA(
pLdapConnection,
"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
void CWE90_LDAP_Injection__w32_wchar_t_file_10_bad()
{
wchar_t * data;
wchar_t dataBuffer[256] = L"";
data = dataBuffer;
if(globalTrue)
{
{
/* Read input from a file */
size_t dataLen = wcslen(data);
FILE * pFile;
/* if there is room in data, attempt to read the input from a file */
if (256-dataLen > 1)
{
pFile = fopen(FILENAME, "r");
if (pFile != NULL)
{
/* POTENTIAL FLAW: Read data from a file */
if (fgetws(data+dataLen, (int)(256-dataLen), pFile) == NULL)
{
printLine("fgetws() failed");
/* Restore NUL terminator if fgetws fails */
data[dataLen] = L'\0';
}
fclose(pFile);
}
}
}
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
wchar_t filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snwprintf(filter, 256-1, L"(cn=%s)", data);
pLdapConnection = ldap_initW(L"localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sW(
pLdapConnection,
L"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
isc_result_t
dlz_create(const char *dlzname, unsigned int argc, char *argv[],
void **dbdata, ...)
{
isc_result_t result = ISC_R_FAILURE;
ldap_instance_t *ldap = NULL;
dbinstance_t *dbi = NULL;
const char *helper_name;
int protocol;
int method;
#if PTHREADS
int dbcount;
char *endp;
int i;
#endif /* PTHREADS */
va_list ap;
UNUSED(dlzname);
/* allocate memory for LDAP instance */
ldap = calloc(1, sizeof(ldap_instance_t));
if (ldap == NULL)
return (ISC_R_NOMEMORY);
memset(ldap, 0, sizeof(ldap_instance_t));
/* Fill in the helper functions */
va_start(ap, dbdata);
while ((helper_name = va_arg(ap, const char*)) != NULL)
b9_add_helper(ldap, helper_name, va_arg(ap, void*));
va_end(ap);
#if PTHREADS
/* if debugging, let user know we are multithreaded. */
ldap->log(ISC_LOG_DEBUG(1), "LDAP driver running multithreaded");
#else /* PTHREADS */
/* if debugging, let user know we are single threaded. */
ldap->log(ISC_LOG_DEBUG(1), "LDAP driver running single threaded");
#endif /* PTHREADS */
if (argc < 9) {
ldap->log(ISC_LOG_ERROR,
"LDAP driver requires at least "
"8 command line args.");
goto cleanup;
}
/* no more than 13 arg's should be passed to the driver */
if (argc > 12) {
ldap->log(ISC_LOG_ERROR,
"LDAP driver cannot accept more than "
"11 command line args.");
goto cleanup;
}
/* determine protocol version. */
if (strncasecmp(argv[2], V2, strlen(V2)) == 0)
protocol = 2;
else if (strncasecmp(argv[2], V3, strlen(V3)) == 0)
protocol = 3;
else {
ldap->log(ISC_LOG_ERROR,
"LDAP driver protocol must be either %s or %s",
V2, V3);
goto cleanup;
}
/* determine connection method. */
if (strncasecmp(argv[3], SIMPLE, strlen(SIMPLE)) == 0)
method = LDAP_AUTH_SIMPLE;
else if (strncasecmp(argv[3], KRB41, strlen(KRB41)) == 0)
method = LDAP_AUTH_KRBV41;
else if (strncasecmp(argv[3], KRB42, strlen(KRB42)) == 0)
method = LDAP_AUTH_KRBV42;
else {
ldap->log(ISC_LOG_ERROR,
"LDAP driver authentication method must be "
"one of %s, %s or %s", SIMPLE, KRB41, KRB42);
goto cleanup;
}
/* multithreaded build can have multiple DB connections */
#if PTHREADS
/* check how many db connections we should create */
dbcount = strtol(argv[1], &endp, 10);
if (*endp != '\0' || dbcount < 0) {
ldap->log(ISC_LOG_ERROR,
"LDAP driver database connection count "
"must be positive.");
goto cleanup;
}
#endif
/* check that LDAP URL parameters make sense */
switch (argc) {
case 12:
result = ldap_checkURL(ldap, argv[11], 0,
"allow zone transfer");
if (result != ISC_R_SUCCESS)
goto cleanup;
case 11:
result = ldap_checkURL(ldap, argv[10], 3, "all nodes");
if (result != ISC_R_SUCCESS)
goto cleanup;
case 10:
if (strlen(argv[9]) > 0) {
result = ldap_checkURL(ldap, argv[9], 3, "authority");
if (result != ISC_R_SUCCESS)
goto cleanup;
}
case 9:
result = ldap_checkURL(ldap, argv[8], 3, "lookup");
if (result != ISC_R_SUCCESS)
goto cleanup;
result = ldap_checkURL(ldap, argv[7], 0, "find zone");
if (result != ISC_R_SUCCESS)
goto cleanup;
break;
default:
/* not really needed, should shut up compiler. */
result = ISC_R_FAILURE;
}
/* store info needed to automatically re-connect. */
ldap->protocol = protocol;
ldap->method = method;
ldap->hosts = strdup(argv[6]);
if (ldap->hosts == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
ldap->user = strdup(argv[4]);
if (ldap->user == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
ldap->cred = strdup(argv[5]);
if (ldap->cred == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
#if PTHREADS
/* allocate memory for database connection list */
ldap->db = calloc(1, sizeof(db_list_t));
if (ldap->db == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup;
}
/* initialize DB connection list */
DLZ_LIST_INIT(*(ldap->db));
/*
* create the appropriate number of database instances (DBI)
* append each new DBI to the end of the list
*/
for (i = 0; i < dbcount; i++) {
#endif /* PTHREADS */
/* how many queries were passed in from config file? */
switch (argc) {
case 9:
result = build_dbinstance(NULL, NULL, NULL, argv[7],
argv[8], NULL, &dbi,
ldap->log);
break;
case 10:
result = build_dbinstance(NULL, NULL, argv[9],
argv[7], argv[8],
NULL, &dbi, ldap->log);
break;
case 11:
result = build_dbinstance(argv[10], NULL, argv[9],
argv[7], argv[8],
NULL, &dbi, ldap->log);
break;
case 12:
result = build_dbinstance(argv[10], argv[11],
argv[9], argv[7],
argv[8], NULL, &dbi,
ldap->log);
break;
default:
/* not really needed, should shut up compiler. */
result = ISC_R_FAILURE;
}
if (result == ISC_R_SUCCESS) {
ldap->log(ISC_LOG_DEBUG(2),
"LDAP driver created "
"database instance object.");
} else { /* unsuccessful?, log err msg and cleanup. */
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not create "
"database instance object.");
goto cleanup;
}
#if PTHREADS
/* when multithreaded, build a list of DBI's */
DLZ_LINK_INIT(dbi, link);
DLZ_LIST_APPEND(*(ldap->db), dbi, link);
#else
/*
* when single threaded, hold onto the one connection
* instance.
*/
ldap->db = dbi;
#endif
/* attempt to connect */
result = ldap_connect(ldap, dbi);
/*
* if db connection cannot be created, log err msg and
* cleanup.
*/
switch (result) {
/* success, do nothing */
case ISC_R_SUCCESS:
break;
/*
* no memory means ldap_init could not
* allocate memory
*/
case ISC_R_NOMEMORY:
#if PTHREADS
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not allocate memory "
"for connection number %u", i + 1);
#else
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not allocate memory "
"for connection");
#endif
goto cleanup;
/*
* no perm means ldap_set_option could not set
* protocol version
*/
case ISC_R_NOPERM:
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not "
"set protocol version.");
result = ISC_R_FAILURE;
goto cleanup;
/* failure means couldn't connect to ldap server */
case ISC_R_FAILURE:
#if PTHREADS
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not bind "
"connection number %u to server.", i + 1);
#else
ldap->log(ISC_LOG_ERROR,
"LDAP driver could not "
"bind connection to server.");
#endif
goto cleanup;
/*
* default should never happen. If it does,
* major errors.
*/
default:
ldap->log(ISC_LOG_ERROR,
"dlz_create() failed (%d)", result);
result = ISC_R_UNEXPECTED;
goto cleanup;
}
#if PTHREADS
/* set DBI = null for next loop through. */
dbi = NULL;
}
#endif /* PTHREADS */
/* set dbdata to the ldap_instance we created. */
*dbdata = ldap;
return (ISC_R_SUCCESS);
cleanup:
dlz_destroy(ldap);
return (result);
}
STDMETHODIMP CLDAPQuery::connect(
/* [in] */ BSTR username,
/* [in] */ BSTR password,
/* [in] */ BSTR host,
/* [in] */ VARIANT_BOOL usessl,
/* [retval][out] */ LONG *connect_id)
{
m_errorCode = 0L;
const ULONG no_limit = LDAP_NO_LIMIT;
PLDAP ld = NULL;
bool useSSL = (usessl==VARIANT_TRUE)? true : false;
bool canFindFromRoot = true;
CAttributesSchema *attrsSchema = NULL;
ULONG ulPort = useSSL?LDAP_SSL_PORT:LDAP_PORT;
PTCHAR port = NULL;
CString defaultNamingContext;
CString csHost = host;
CString hostname = _tcstok_s(csHost.GetBuffer(), _T(":"), &port);
if(port && _tcslen(port) > 0)
ulPort = _tcstol(port, NULL, 10);
csHost.ReleaseBuffer();
try
{
if (useSSL)
{
if((ld = ldap_sslinit(hostname.GetBuffer(), ulPort, 1))==NULL)
{
m_errorCode = LdapGetLastError();
return S_FALSE;
}
m_errorCode = ldap_set_option(ld, LDAP_OPT_SERVER_CERTIFICATE, &CertRoutine);
if (m_errorCode != LDAP_SUCCESS)
throw _T("error LDAP_OPT_SERVER_CERTIFICATE");
}
else
{
if((ld = ldap_init(hostname.GetBuffer(), ulPort))==NULL)
{
m_errorCode = LdapGetLastError();
return S_FALSE;
}
}
const ULONG version = LDAP_VERSION3;
m_errorCode = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, (void*)&version);
if (m_errorCode != LDAP_SUCCESS)
throw _T("error LDAP_OPT_PROTOCOL_VERSION");
m_errorCode = ldap_set_option(ld, LDAP_OPT_SIZELIMIT, (void*)&no_limit);
if (m_errorCode != LDAP_SUCCESS)
throw _T("error LDAP_OPT_SIZELIMIT");
ld->ld_sizelimit = no_limit;
m_errorCode = ldap_set_option(ld, LDAP_OPT_TIMELIMIT, (void*)&no_limit);
if (m_errorCode != LDAP_SUCCESS)
throw _T("error LDAP_OPT_TIMELIMIT");
ld->ld_timelimit = no_limit;
m_errorCode = ldap_connect(ld, 0);
if (m_errorCode != LDAP_SUCCESS )
throw _T("error ldap_connect");
m_errorCode = ldap_bind_s(ld, CString(username).GetBuffer(), CString(password).GetBuffer(), LDAP_AUTH_SIMPLE);
if (m_errorCode != LDAP_SUCCESS)
throw _T("error LDAP_AUTH_SIMPLE");
/* Get the RootDSE and BaseDN attribute (add checks on use this code).*/
CSimpleArray<PTCHAR> a;
a.Add(_T("defaultNamingContext"));
a.Add(_T("subschemaSubentry"));
a.Add(NULL);
PLDAPMessage pBaseMsg = NULL;
if(ldap_search_s(ld, _T(""), LDAP_SCOPE_BASE, _T("(objectClass=*)"), a.GetData(), 0, &pBaseMsg) == LDAP_SUCCESS)
{
PLDAPMessage const entry = ldap_first_entry(ld, pBaseMsg);
if(entry)
{
PTCHAR * const pschema = ldap_get_values(ld, entry, _T("subschemaSubentry"));
if(pschema)
{
attrsSchema = new CAttributesSchema(ld, *pschema);
ldap_value_free(pschema);
}
//try to find one item in subtree from root, if found it is Global Catalog search
PLDAPSearch const pPages = ldap_search_init_page(ld, NULL, LDAP_SCOPE_SUBTREE, _T("(objectClass=*)"), NULL, 0, NULL, NULL, no_limit, 1, NULL);
if(pPages)
{
PLDAPMessage pMsg = NULL;
canFindFromRoot = (ldap_get_next_page_s(ld, pPages, NULL, 1, NULL, &pMsg) == LDAP_SUCCESS);
if(pMsg)
ldap_msgfree(pMsg);
ldap_search_abandon_page(ld, pPages);
}
PTCHAR * const pDefaultNamingContext = ldap_get_values(ld, entry, _T("defaultNamingContext"));
if(pDefaultNamingContext)
{
defaultNamingContext = *pDefaultNamingContext;
ldap_value_free(pDefaultNamingContext);
}
}
ldap_msgfree(pBaseMsg);
}
ÑConnectInfo * const cinfo = new ÑConnectInfo(ld, attrsSchema, defaultNamingContext, canFindFromRoot);
*connect_id = ++m_maxConnectionId;
m_connections.Add(*connect_id, cinfo);
}
catch (PTCHAR /*e*/)
{
if (ld)
ldap_unbind_s(ld);
*connect_id = -1;
return S_FALSE;
}
return S_OK;
}
//----------------------------------------------------------------------------
//
// RestoreDeletedObject()
//
// Restores a deleted object.
//
// pwszDeletedDN - Contains the fully-qualified distinguished name of the
// deleted object.
//
// pwszDestContainerDN - Contains the fully-qualified distinguished name of
// the folder that the delted object should be moved to.
//
// Returns S_OK if successful or an HRESULT or LDAP error code otherwise.
//
//----------------------------------------------------------------------------
HRESULT RestoreDeletedObject(LPCWSTR pwszDeletedDN, LPCWSTR pwszDestContainerDN)
{
if((NULL == pwszDeletedDN) || (NULL == pwszDestContainerDN))
{
return E_POINTER;
}
HRESULT hr = E_FAIL;
// Build the new distinguished name.
LPWSTR pwszNewDN = new WCHAR[lstrlenW(pwszDeletedDN) + lstrlenW(pwszDestContainerDN) + 1];
if(pwszNewDN)
{
lstrcpyW(pwszNewDN, pwszDeletedDN);
// Search for the first 0x0A character. This is the delimiter in the deleted object name.
LPWSTR pwszChar;
for(pwszChar = pwszNewDN; *pwszChar; pwszChar = CharNextW(pwszChar))
{
if(('\\' == *pwszChar) && ('0' == *(pwszChar + 1)) && ('A' == *(pwszChar + 2)))
{
break;
}
}
if(0 != *pwszChar)
{
// Truncate the name string at the delimiter.
*pwszChar = 0;
// Add the last known parent DN to complete the DN.
lstrcatW(pwszNewDN, L",");
lstrcatW(pwszNewDN, pwszDestContainerDN);
PLDAP ld;
// Initialize LDAP.
ld = ldap_init(NULL, LDAP_PORT);
if(NULL != ld)
{
ULONG ulRC;
ULONG version = LDAP_VERSION3;
// Set the LDAP version.
ulRC = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, (void*)&version);
if(LDAP_SUCCESS == ulRC)
{
// Establish a connection with the server.
ulRC = ldap_connect(ld, NULL);
if(LDAP_SUCCESS == ulRC)
{
// Bind to the LDAP server.
ulRC = ldap_bind_s(ld, NULL, NULL, LDAP_AUTH_NEGOTIATE);
if(LDAP_SUCCESS == ulRC)
{
// Setup the new values.
LPWSTR rgNewVals[] = {pwszNewDN, NULL};
/*
Remove the isDeleted attribute. This cannot be set
to FALSE or the restore operation will not work.
*/
LDAPModW modIsDeleted = { LDAP_MOD_DELETE, L"isDeleted", NULL };
/*
Set the new DN, in effect, moving the deleted
object to where it resided before the deletion.
*/
LDAPModW modDN = { LDAP_MOD_REPLACE, L"distinguishedName", rgNewVals };
// Initialize the LDAPMod structure.
PLDAPModW ldapMods[] =
{
&modIsDeleted,
&modDN,
NULL
};
/*
Use the LDAP_SERVER_SHOW_DELETED_OID control to
modify deleted objects.
*/
LDAPControlW showDeletedControl;
showDeletedControl.ldctl_oid = LDAP_SERVER_SHOW_DELETED_OID_W;
showDeletedControl.ldctl_value.bv_len = 0;
showDeletedControl.ldctl_value.bv_val = NULL;
showDeletedControl.ldctl_iscritical = TRUE;
// Initialzie the LDAPControl structure
PLDAPControlW ldapControls[] = { &showDeletedControl, NULL };
/*
Modify the specified attributes. This must performed
in one step, which is why the LDAP APIs must be used
to restore a deleted object.
*/
ulRC = ldap_modify_ext_sW(ld, (PWCHAR)pwszDeletedDN, ldapMods, ldapControls, NULL);
if(LDAP_SUCCESS == ulRC)
{
hr = S_OK;
}
else if(LDAP_ALREADY_EXISTS == ulRC)
{
/*
An object already exists with the specified name
in the specified target container. At this point,
a new name must be selected.
*/
}
}
}
}
if(LDAP_SUCCESS != ulRC)
{
hr = ulRC;
OutputDebugString(ldap_err2string(ulRC));
}
// Release the LDAP session.
ldap_unbind(ld);
}
}
else
{
/*
If the end of the string is reached before the delimiter is found, just
end and fail.
*/
hr = E_INVALIDARG;
}
delete pwszNewDN;
}
else
{
hr = E_OUTOFMEMORY;
}
return hr;
}
void CWE90_LDAP_Injection__w32_char_environment_18_bad()
{
char * data;
char dataBuffer[256] = "";
data = dataBuffer;
goto source;
source:
{
/* Append input from an environment variable to data */
size_t dataLen = strlen(data);
char * environment = GETENV(ENV_VARIABLE);
/* If there is data in the environment variable */
if (environment != NULL)
{
/* POTENTIAL FLAW: Read data from an environment variable */
strncat(data+dataLen, environment, 256-dataLen-1);
}
}
{
LDAP* pLdapConnection = NULL;
ULONG connectSuccess = 0L;
ULONG searchSuccess = 0L;
LDAPMessage *pMessage = NULL;
char filter[256];
/* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection*/
_snprintf(filter, 256-1, "(cn=%s)", data);
pLdapConnection = ldap_initA("localhost", LDAP_PORT);
if (pLdapConnection == NULL)
{
printLine("Initialization failed");
exit(1);
}
connectSuccess = ldap_connect(pLdapConnection, NULL);
if (connectSuccess != LDAP_SUCCESS)
{
printLine("Connection failed");
exit(1);
}
searchSuccess = ldap_search_ext_sA(
pLdapConnection,
"base",
LDAP_SCOPE_SUBTREE,
filter,
NULL,
0,
NULL,
NULL,
LDAP_NO_LIMIT,
LDAP_NO_LIMIT,
&pMessage);
if (searchSuccess != LDAP_SUCCESS)
{
printLine("Search failed");
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
exit(1);
}
/* Typically you would do something with the search results, but this is a test case and we can ignore them */
/* Free the results to avoid incidentals */
if (pMessage != NULL)
{
ldap_msgfree(pMessage);
}
/* Close the connection */
ldap_unbind(pLdapConnection);
}
}
ldap_key_t * ldap_getuserkey(ldap_opt_t *l, const char * user) {
ldap_key_t * k = (ldap_key_t *) calloc (1, sizeof(ldap_key_t));
LDAPMessage *res, *e;
char * filter;
int i;
char *attrs[] = {
l->pub_key_attr,
NULL
};
if ((!k) || (!l))
return NULL;
/* Am i still connected ? RETRY n times */
/* XXX TODO: setup some conf value for retrying */
if (!(l->flags & FLAG_CONNECTED))
for (i = 0 ; i < 2 ; i++)
if (ldap_connect(l) == 0)
break;
/* quick check for attempts to be evil */
if ((strchr(user, '(') != NULL) || (strchr(user, ')') != NULL) ||
(strchr(user, '*') != NULL) || (strchr(user, '\\') != NULL))
return NULL;
/* build filter for LDAP request */
REQUEST_USER(filter, user, l->filter);
if ( ldap_search_st( l->ld,
l->u_basedn,
LDAP_SCOPE_SUBTREE,
filter,
attrs, 0, &l->s_timeout, &res ) != LDAP_SUCCESS) {
ldap_perror(l->ld, "ldap_search_st()");
free(filter);
free(k);
/* XXX error on search, timeout etc.. close ask for reconnect */
ldap_close(l);
return NULL;
}
/* free */
free(filter);
/* check if any results */
i = ldap_count_entries(l->ld,res);
if (i <= 0) {
ldap_msgfree(res);
free(k);
return NULL;
}
if (i > 1)
debug("[LDAP] duplicate entries, using the FIRST entry returned");
e = ldap_first_entry(l->ld, res);
k->keys = ldap_get_values_len(l->ld, e, l->pub_key_attr);
k->num = ldap_count_values_len(k->keys);
ldap_msgfree(res);
return k;
}