mirror of
https://github.com/moparisthebest/curl
synced 2024-12-23 00:28:48 -05:00
92c0de518e
properly for a case, and so we did. We raised it even for non-SSPI builds but it should not do any harm. http://curl.haxx.se/bug/view.cgi?id=1356715
823 lines
23 KiB
C
823 lines
23 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
#include "setup.h"
|
|
|
|
/* NTLM details:
|
|
|
|
http://davenport.sourceforge.net/ntlm.html
|
|
http://www.innovation.ch/java/ntlm.html
|
|
|
|
*/
|
|
|
|
#ifndef CURL_DISABLE_HTTP
|
|
#ifdef USE_NTLM
|
|
|
|
/* -- WIN32 approved -- */
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <ctype.h>
|
|
|
|
#include "urldata.h"
|
|
#include "sendf.h"
|
|
#include "strequal.h"
|
|
#include "base64.h"
|
|
#include "http_ntlm.h"
|
|
#include "url.h"
|
|
#include "memory.h"
|
|
|
|
#define _MPRINTF_REPLACE /* use our functions only */
|
|
#include <curl/mprintf.h>
|
|
|
|
#ifndef USE_WINDOWS_SSPI
|
|
|
|
#include <openssl/des.h>
|
|
#include <openssl/md4.h>
|
|
#include <openssl/ssl.h>
|
|
|
|
#if OPENSSL_VERSION_NUMBER < 0x00907001L
|
|
#define DES_key_schedule des_key_schedule
|
|
#define DES_cblock des_cblock
|
|
#define DES_set_odd_parity des_set_odd_parity
|
|
#define DES_set_key des_set_key
|
|
#define DES_ecb_encrypt des_ecb_encrypt
|
|
|
|
/* This is how things were done in the old days */
|
|
#define DESKEY(x) x
|
|
#define DESKEYARG(x) x
|
|
#else
|
|
/* Modern version */
|
|
#define DESKEYARG(x) *x
|
|
#define DESKEY(x) &x
|
|
#endif
|
|
|
|
#else
|
|
|
|
#include <rpc.h>
|
|
|
|
/* Handle of security.dll or secur32.dll, depending on Windows version */
|
|
static HMODULE s_hSecDll = NULL;
|
|
/* Pointer to SSPI dispatch table */
|
|
static PSecurityFunctionTable s_pSecFn = NULL;
|
|
|
|
#endif
|
|
|
|
/* The last #include file should be: */
|
|
#include "memdebug.h"
|
|
|
|
/* Define this to make the type-3 message include the NT response message */
|
|
#define USE_NTRESPONSES 1
|
|
|
|
/*
|
|
(*) = A "security buffer" is a triplet consisting of two shorts and one
|
|
long:
|
|
|
|
1. a 'short' containing the length of the buffer in bytes
|
|
2. a 'short' containing the allocated space for the buffer in bytes
|
|
3. a 'long' containing the offset to the start of the buffer from the
|
|
beginning of the NTLM message, in bytes.
|
|
*/
|
|
|
|
|
|
CURLntlm Curl_input_ntlm(struct connectdata *conn,
|
|
bool proxy, /* if proxy or not */
|
|
char *header) /* rest of the www-authenticate:
|
|
header */
|
|
{
|
|
/* point to the correct struct with this */
|
|
struct ntlmdata *ntlm;
|
|
|
|
ntlm = proxy?&conn->proxyntlm:&conn->ntlm;
|
|
|
|
/* skip initial whitespaces */
|
|
while(*header && isspace((int)*header))
|
|
header++;
|
|
|
|
if(checkprefix("NTLM", header)) {
|
|
header += strlen("NTLM");
|
|
|
|
while(*header && isspace((int)*header))
|
|
header++;
|
|
|
|
if(*header) {
|
|
/* We got a type-2 message here:
|
|
|
|
Index Description Content
|
|
0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
|
|
(0x4e544c4d53535000)
|
|
8 NTLM Message Type long (0x02000000)
|
|
12 Target Name security buffer(*)
|
|
20 Flags long
|
|
24 Challenge 8 bytes
|
|
(32) Context (optional) 8 bytes (two consecutive longs)
|
|
(40) Target Information (optional) security buffer(*)
|
|
32 (48) start of data block
|
|
*/
|
|
size_t size;
|
|
unsigned char *buffer;
|
|
size = Curl_base64_decode(header, &buffer);
|
|
if(!buffer)
|
|
return CURLNTLM_BAD;
|
|
|
|
ntlm->state = NTLMSTATE_TYPE2; /* we got a type-2 */
|
|
|
|
#ifdef USE_WINDOWS_SSPI
|
|
if ((ntlm->type_2 = malloc(size+1)) == NULL) {
|
|
free(buffer);
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
ntlm->n_type_2 = size;
|
|
memcpy(ntlm->type_2, buffer, size);
|
|
#else
|
|
if(size >= 48)
|
|
/* the nonce of interest is index [24 .. 31], 8 bytes */
|
|
memcpy(ntlm->nonce, &buffer[24], 8);
|
|
/* FIX: add an else here! */
|
|
|
|
/* at index decimal 20, there's a 32bit NTLM flag field */
|
|
|
|
free(buffer);
|
|
#endif
|
|
}
|
|
else {
|
|
if(ntlm->state >= NTLMSTATE_TYPE1)
|
|
return CURLNTLM_BAD;
|
|
|
|
ntlm->state = NTLMSTATE_TYPE1; /* we should sent away a type-1 */
|
|
}
|
|
}
|
|
return CURLNTLM_FINE;
|
|
}
|
|
|
|
#ifndef USE_WINDOWS_SSPI
|
|
|
|
/*
|
|
* Turns a 56 bit key into the 64 bit, odd parity key and sets the key. The
|
|
* key schedule ks is also set.
|
|
*/
|
|
static void setup_des_key(unsigned char *key_56,
|
|
DES_key_schedule DESKEYARG(ks))
|
|
{
|
|
DES_cblock key;
|
|
|
|
key[0] = key_56[0];
|
|
key[1] = ((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1);
|
|
key[2] = ((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2);
|
|
key[3] = ((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3);
|
|
key[4] = ((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4);
|
|
key[5] = ((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5);
|
|
key[6] = ((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6);
|
|
key[7] = (key_56[6] << 1) & 0xFF;
|
|
|
|
DES_set_odd_parity(&key);
|
|
DES_set_key(&key, ks);
|
|
}
|
|
|
|
/*
|
|
* takes a 21 byte array and treats it as 3 56-bit DES keys. The
|
|
* 8 byte plaintext is encrypted with each key and the resulting 24
|
|
* bytes are stored in the results array.
|
|
*/
|
|
static void calc_resp(unsigned char *keys,
|
|
unsigned char *plaintext,
|
|
unsigned char *results)
|
|
{
|
|
DES_key_schedule ks;
|
|
|
|
setup_des_key(keys, DESKEY(ks));
|
|
DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) results,
|
|
DESKEY(ks), DES_ENCRYPT);
|
|
|
|
setup_des_key(keys+7, DESKEY(ks));
|
|
DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) (results+8),
|
|
DESKEY(ks), DES_ENCRYPT);
|
|
|
|
setup_des_key(keys+14, DESKEY(ks));
|
|
DES_ecb_encrypt((DES_cblock*) plaintext, (DES_cblock*) (results+16),
|
|
DESKEY(ks), DES_ENCRYPT);
|
|
}
|
|
|
|
/*
|
|
* Set up lanmanager and nt hashed passwords
|
|
*/
|
|
static void mkhash(char *password,
|
|
unsigned char *nonce, /* 8 bytes */
|
|
unsigned char *lmresp /* must fit 0x18 bytes */
|
|
#ifdef USE_NTRESPONSES
|
|
, unsigned char *ntresp /* must fit 0x18 bytes */
|
|
#endif
|
|
)
|
|
{
|
|
/* 21 bytes fits 3 7-bytes chunks, as we use 56 bit (7 bytes) as DES input,
|
|
and we add three different ones, see the calc_resp() function */
|
|
unsigned char lmbuffer[21];
|
|
#ifdef USE_NTRESPONSES
|
|
unsigned char ntbuffer[21];
|
|
#endif
|
|
unsigned char *pw;
|
|
static const unsigned char magic[] = {
|
|
0x4B, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25
|
|
};
|
|
unsigned int i;
|
|
size_t len = strlen(password);
|
|
|
|
/* make it fit at least 14 bytes */
|
|
pw = malloc(len<7?14:len*2);
|
|
if(!pw)
|
|
return; /* this will lead to a badly generated package */
|
|
|
|
if (len > 14)
|
|
len = 14;
|
|
|
|
for (i=0; i<len; i++)
|
|
pw[i] = toupper(password[i]);
|
|
|
|
for (; i<14; i++)
|
|
pw[i] = 0;
|
|
|
|
{
|
|
/* create LanManager hashed password */
|
|
DES_key_schedule ks;
|
|
|
|
setup_des_key(pw, DESKEY(ks));
|
|
DES_ecb_encrypt((DES_cblock *)magic, (DES_cblock *)lmbuffer,
|
|
DESKEY(ks), DES_ENCRYPT);
|
|
|
|
setup_des_key(pw+7, DESKEY(ks));
|
|
DES_ecb_encrypt((DES_cblock *)magic, (DES_cblock *)(lmbuffer+8),
|
|
DESKEY(ks), DES_ENCRYPT);
|
|
|
|
memset(lmbuffer+16, 0, sizeof(lmbuffer)-16);
|
|
}
|
|
/* create LM responses */
|
|
calc_resp(lmbuffer, nonce, lmresp);
|
|
|
|
#ifdef USE_NTRESPONSES
|
|
{
|
|
/* create NT hashed password */
|
|
MD4_CTX MD4;
|
|
|
|
len = strlen(password);
|
|
|
|
for (i=0; i<len; i++) {
|
|
pw[2*i] = password[i];
|
|
pw[2*i+1] = 0;
|
|
}
|
|
|
|
MD4_Init(&MD4);
|
|
MD4_Update(&MD4, pw, 2*len);
|
|
MD4_Final(ntbuffer, &MD4);
|
|
|
|
memset(ntbuffer+16, 0, sizeof(ntbuffer)-16);
|
|
}
|
|
|
|
calc_resp(ntbuffer, nonce, ntresp);
|
|
#endif
|
|
|
|
free(pw);
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef USE_WINDOWS_SSPI
|
|
|
|
static void
|
|
ntlm_sspi_cleanup(struct ntlmdata *ntlm)
|
|
{
|
|
if (ntlm->type_2) {
|
|
free(ntlm->type_2);
|
|
ntlm->type_2 = NULL;
|
|
}
|
|
if (ntlm->has_handles) {
|
|
s_pSecFn->DeleteSecurityContext(&ntlm->c_handle);
|
|
s_pSecFn->FreeCredentialsHandle(&ntlm->handle);
|
|
ntlm->has_handles = 0;
|
|
}
|
|
if (ntlm->p_identity) {
|
|
if (ntlm->identity.User) free(ntlm->identity.User);
|
|
if (ntlm->identity.Password) free(ntlm->identity.Password);
|
|
if (ntlm->identity.Domain) free(ntlm->identity.Domain);
|
|
ntlm->p_identity = NULL;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
#define SHORTPAIR(x) ((x) & 0xff), ((x) >> 8)
|
|
#define LONGQUARTET(x) ((x) & 0xff), (((x) >> 8)&0xff), \
|
|
(((x) >>16)&0xff), ((x)>>24)
|
|
|
|
/* this is for creating ntlm header output */
|
|
CURLcode Curl_output_ntlm(struct connectdata *conn,
|
|
bool proxy)
|
|
{
|
|
const char *domain=""; /* empty */
|
|
const char *host=""; /* empty */
|
|
#ifndef USE_WINDOWS_SSPI
|
|
int domlen=(int)strlen(domain);
|
|
int hostlen = (int)strlen(host);
|
|
int hostoff; /* host name offset */
|
|
int domoff; /* domain name offset */
|
|
#endif
|
|
size_t size;
|
|
char *base64=NULL;
|
|
unsigned char ntlmbuf[512]; /* enough, unless the host/domain is very long */
|
|
|
|
/* point to the address of the pointer that holds the string to sent to the
|
|
server, which is for a plain host or for a HTTP proxy */
|
|
char **allocuserpwd;
|
|
|
|
/* point to the name and password for this */
|
|
char *userp;
|
|
char *passwdp;
|
|
/* point to the correct struct with this */
|
|
struct ntlmdata *ntlm;
|
|
struct auth *authp;
|
|
|
|
curlassert(conn);
|
|
curlassert(conn->data);
|
|
|
|
if(proxy) {
|
|
allocuserpwd = &conn->allocptr.proxyuserpwd;
|
|
userp = conn->proxyuser;
|
|
passwdp = conn->proxypasswd;
|
|
ntlm = &conn->proxyntlm;
|
|
authp = &conn->data->state.authproxy;
|
|
}
|
|
else {
|
|
allocuserpwd = &conn->allocptr.userpwd;
|
|
userp = conn->user;
|
|
passwdp = conn->passwd;
|
|
ntlm = &conn->ntlm;
|
|
authp = &conn->data->state.authhost;
|
|
}
|
|
authp->done = FALSE;
|
|
|
|
/* not set means empty */
|
|
if(!userp)
|
|
userp=(char *)"";
|
|
|
|
if(!passwdp)
|
|
passwdp=(char *)"";
|
|
|
|
#ifdef USE_WINDOWS_SSPI
|
|
/* If security interface is not yet initialized try to do this */
|
|
if (s_hSecDll == NULL) {
|
|
/* Determine Windows version. Security functions are located in
|
|
* security.dll on WinNT 4.0 and in secur32.dll on Win9x. Win2K and XP
|
|
* contain both these DLLs (security.dll just forwards calls to
|
|
* secur32.dll)
|
|
*/
|
|
OSVERSIONINFO osver;
|
|
osver.dwOSVersionInfoSize = sizeof(osver);
|
|
GetVersionEx(&osver);
|
|
if (osver.dwPlatformId == VER_PLATFORM_WIN32_NT
|
|
&& osver.dwMajorVersion == 4)
|
|
s_hSecDll = LoadLibrary("security.dll");
|
|
else
|
|
s_hSecDll = LoadLibrary("secur32.dll");
|
|
if (s_hSecDll != NULL) {
|
|
INIT_SECURITY_INTERFACE pInitSecurityInterface;
|
|
pInitSecurityInterface =
|
|
(INIT_SECURITY_INTERFACE)GetProcAddress(s_hSecDll,
|
|
"InitSecurityInterfaceA");
|
|
if (pInitSecurityInterface != NULL)
|
|
s_pSecFn = pInitSecurityInterface();
|
|
}
|
|
}
|
|
if (s_pSecFn == NULL)
|
|
return CURLE_RECV_ERROR;
|
|
#endif
|
|
|
|
switch(ntlm->state) {
|
|
case NTLMSTATE_TYPE1:
|
|
default: /* for the weird cases we (re)start here */
|
|
#ifdef USE_WINDOWS_SSPI
|
|
{
|
|
SecBuffer buf;
|
|
SecBufferDesc desc;
|
|
SECURITY_STATUS status;
|
|
ULONG attrs;
|
|
const char *user;
|
|
int domlen;
|
|
TimeStamp tsDummy; /* For Windows 9x compatibility of SPPI calls */
|
|
|
|
ntlm_sspi_cleanup(ntlm);
|
|
|
|
user = strchr(userp, '\\');
|
|
if (!user)
|
|
user = strchr(userp, '/');
|
|
|
|
if (user) {
|
|
domain = userp;
|
|
domlen = user - userp;
|
|
user++;
|
|
}
|
|
else {
|
|
user = userp;
|
|
domain = "";
|
|
domlen = 0;
|
|
}
|
|
|
|
if (user && *user) {
|
|
/* note: initialize all of this before doing the mallocs so that
|
|
* it can be cleaned up later without leaking memory.
|
|
*/
|
|
ntlm->p_identity = &ntlm->identity;
|
|
memset(ntlm->p_identity, 0, sizeof(*ntlm->p_identity));
|
|
if ((ntlm->identity.User = (unsigned char *)strdup(user)) == NULL)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
ntlm->identity.UserLength = strlen(user);
|
|
if ((ntlm->identity.Password = (unsigned char *)strdup(passwdp)) == NULL)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
ntlm->identity.PasswordLength = strlen(passwdp);
|
|
if ((ntlm->identity.Domain = malloc(domlen+1)) == NULL)
|
|
return CURLE_OUT_OF_MEMORY;
|
|
strncpy((char *)ntlm->identity.Domain, domain, domlen);
|
|
ntlm->identity.Domain[domlen] = '\0';
|
|
ntlm->identity.DomainLength = domlen;
|
|
ntlm->identity.Flags = SEC_WINNT_AUTH_IDENTITY_ANSI;
|
|
}
|
|
else {
|
|
ntlm->p_identity = NULL;
|
|
}
|
|
|
|
if (s_pSecFn->AcquireCredentialsHandle(
|
|
NULL, (char *)"NTLM", SECPKG_CRED_OUTBOUND, NULL, ntlm->p_identity,
|
|
NULL, NULL, &ntlm->handle, &tsDummy
|
|
) != SEC_E_OK) {
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
desc.ulVersion = SECBUFFER_VERSION;
|
|
desc.cBuffers = 1;
|
|
desc.pBuffers = &buf;
|
|
buf.cbBuffer = sizeof(ntlmbuf);
|
|
buf.BufferType = SECBUFFER_TOKEN;
|
|
buf.pvBuffer = ntlmbuf;
|
|
|
|
status = s_pSecFn->InitializeSecurityContext(&ntlm->handle, NULL,
|
|
(char *) host,
|
|
ISC_REQ_CONFIDENTIALITY |
|
|
ISC_REQ_REPLAY_DETECT |
|
|
ISC_REQ_CONNECTION,
|
|
0, SECURITY_NETWORK_DREP,
|
|
NULL, 0,
|
|
&ntlm->c_handle, &desc,
|
|
&attrs, &tsDummy);
|
|
|
|
if (status == SEC_I_COMPLETE_AND_CONTINUE ||
|
|
status == SEC_I_CONTINUE_NEEDED) {
|
|
s_pSecFn->CompleteAuthToken(&ntlm->c_handle, &desc);
|
|
}
|
|
else if (status != SEC_E_OK) {
|
|
s_pSecFn->FreeCredentialsHandle(&ntlm->handle);
|
|
return CURLE_RECV_ERROR;
|
|
}
|
|
|
|
ntlm->has_handles = 1;
|
|
size = buf.cbBuffer;
|
|
}
|
|
#else
|
|
hostoff = 32;
|
|
domoff = hostoff + hostlen;
|
|
|
|
/* Create and send a type-1 message:
|
|
|
|
Index Description Content
|
|
0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
|
|
(0x4e544c4d53535000)
|
|
8 NTLM Message Type long (0x01000000)
|
|
12 Flags long
|
|
16 Supplied Domain security buffer(*)
|
|
24 Supplied Workstation security buffer(*)
|
|
32 start of data block
|
|
|
|
*/
|
|
|
|
snprintf((char *)ntlmbuf, sizeof(ntlmbuf), "NTLMSSP%c"
|
|
"\x01%c%c%c" /* 32-bit type = 1 */
|
|
"%c%c%c%c" /* 32-bit NTLM flag field */
|
|
"%c%c" /* domain length */
|
|
"%c%c" /* domain allocated space */
|
|
"%c%c" /* domain name offset */
|
|
"%c%c" /* 2 zeroes */
|
|
"%c%c" /* host length */
|
|
"%c%c" /* host allocated space */
|
|
"%c%c" /* host name offset */
|
|
"%c%c" /* 2 zeroes */
|
|
"%s" /* host name */
|
|
"%s", /* domain string */
|
|
0, /* trailing zero */
|
|
0,0,0, /* part of type-1 long */
|
|
|
|
LONGQUARTET(
|
|
NTLMFLAG_NEGOTIATE_OEM| /* 2 */
|
|
NTLMFLAG_NEGOTIATE_NTLM_KEY /* 200 */
|
|
/* equals 0x0202 */
|
|
),
|
|
SHORTPAIR(domlen),
|
|
SHORTPAIR(domlen),
|
|
SHORTPAIR(domoff),
|
|
0,0,
|
|
SHORTPAIR(hostlen),
|
|
SHORTPAIR(hostlen),
|
|
SHORTPAIR(hostoff),
|
|
0,0,
|
|
host, domain);
|
|
|
|
/* initial packet length */
|
|
size = 32 + hostlen + domlen;
|
|
#endif
|
|
|
|
/* now keeper of the base64 encoded package size */
|
|
size = Curl_base64_encode((char *)ntlmbuf, size, &base64);
|
|
|
|
if(size >0 ) {
|
|
Curl_safefree(*allocuserpwd);
|
|
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
|
|
proxy?"Proxy-":"",
|
|
base64);
|
|
free(base64);
|
|
}
|
|
else
|
|
return CURLE_OUT_OF_MEMORY; /* FIX TODO */
|
|
|
|
break;
|
|
|
|
case NTLMSTATE_TYPE2:
|
|
/* We received the type-2 already, create a type-3 message:
|
|
|
|
Index Description Content
|
|
0 NTLMSSP Signature Null-terminated ASCII "NTLMSSP"
|
|
(0x4e544c4d53535000)
|
|
8 NTLM Message Type long (0x03000000)
|
|
12 LM/LMv2 Response security buffer(*)
|
|
20 NTLM/NTLMv2 Response security buffer(*)
|
|
28 Domain Name security buffer(*)
|
|
36 User Name security buffer(*)
|
|
44 Workstation Name security buffer(*)
|
|
(52) Session Key (optional) security buffer(*)
|
|
(60) Flags (optional) long
|
|
52 (64) start of data block
|
|
|
|
*/
|
|
|
|
{
|
|
#ifdef USE_WINDOWS_SSPI
|
|
SecBuffer type_2, type_3;
|
|
SecBufferDesc type_2_desc, type_3_desc;
|
|
SECURITY_STATUS status;
|
|
ULONG attrs;
|
|
TimeStamp tsDummy; /* For Windows 9x compatibility of SPPI calls */
|
|
|
|
type_2_desc.ulVersion = type_3_desc.ulVersion = SECBUFFER_VERSION;
|
|
type_2_desc.cBuffers = type_3_desc.cBuffers = 1;
|
|
type_2_desc.pBuffers = &type_2;
|
|
type_3_desc.pBuffers = &type_3;
|
|
|
|
type_2.BufferType = SECBUFFER_TOKEN;
|
|
type_2.pvBuffer = ntlm->type_2;
|
|
type_2.cbBuffer = ntlm->n_type_2;
|
|
type_3.BufferType = SECBUFFER_TOKEN;
|
|
type_3.pvBuffer = ntlmbuf;
|
|
type_3.cbBuffer = sizeof(ntlmbuf);
|
|
|
|
status = s_pSecFn->InitializeSecurityContext(&ntlm->handle, &ntlm->c_handle,
|
|
(char *) host,
|
|
ISC_REQ_CONFIDENTIALITY |
|
|
ISC_REQ_REPLAY_DETECT |
|
|
ISC_REQ_CONNECTION,
|
|
0, SECURITY_NETWORK_DREP, &type_2_desc,
|
|
0, &ntlm->c_handle, &type_3_desc,
|
|
&attrs, &tsDummy);
|
|
|
|
if (status != SEC_E_OK)
|
|
return CURLE_RECV_ERROR;
|
|
|
|
size = type_3.cbBuffer;
|
|
|
|
ntlm_sspi_cleanup(ntlm);
|
|
|
|
#else
|
|
int lmrespoff;
|
|
int ntrespoff;
|
|
int useroff;
|
|
unsigned char lmresp[0x18]; /* fixed-size */
|
|
#ifdef USE_NTRESPONSES
|
|
unsigned char ntresp[0x18]; /* fixed-size */
|
|
#endif
|
|
const char *user;
|
|
int userlen;
|
|
|
|
user = strchr(userp, '\\');
|
|
if(!user)
|
|
user = strchr(userp, '/');
|
|
|
|
if (user) {
|
|
domain = userp;
|
|
domlen = (int)(user - domain);
|
|
user++;
|
|
}
|
|
else
|
|
user = userp;
|
|
userlen = (int)strlen(user);
|
|
|
|
mkhash(passwdp, &ntlm->nonce[0], lmresp
|
|
#ifdef USE_NTRESPONSES
|
|
, ntresp
|
|
#endif
|
|
);
|
|
|
|
domoff = 64; /* always */
|
|
useroff = domoff + domlen;
|
|
hostoff = useroff + userlen;
|
|
lmrespoff = hostoff + hostlen;
|
|
ntrespoff = lmrespoff + 0x18;
|
|
|
|
/* Create the big type-3 message binary blob */
|
|
size = snprintf((char *)ntlmbuf, sizeof(ntlmbuf),
|
|
"NTLMSSP%c"
|
|
"\x03%c%c%c" /* type-3, 32 bits */
|
|
|
|
"%c%c%c%c" /* LanManager length + allocated space */
|
|
"%c%c" /* LanManager offset */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
"%c%c" /* NT-response length */
|
|
"%c%c" /* NT-response allocated space */
|
|
"%c%c" /* NT-response offset */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
"%c%c" /* domain length */
|
|
"%c%c" /* domain allocated space */
|
|
"%c%c" /* domain name offset */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
"%c%c" /* user length */
|
|
"%c%c" /* user allocated space */
|
|
"%c%c" /* user offset */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
"%c%c" /* host length */
|
|
"%c%c" /* host allocated space */
|
|
"%c%c" /* host offset */
|
|
"%c%c%c%c%c%c" /* 6 zeroes */
|
|
|
|
"\xff\xff" /* message length */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
"\x01\x82" /* flags */
|
|
"%c%c" /* 2 zeroes */
|
|
|
|
/* domain string */
|
|
/* user string */
|
|
/* host string */
|
|
/* LanManager response */
|
|
/* NT response */
|
|
,
|
|
0, /* zero termination */
|
|
0,0,0, /* type-3 long, the 24 upper bits */
|
|
|
|
SHORTPAIR(0x18), /* LanManager response length, twice */
|
|
SHORTPAIR(0x18),
|
|
SHORTPAIR(lmrespoff),
|
|
0x0, 0x0,
|
|
|
|
#ifdef USE_NTRESPONSES
|
|
SHORTPAIR(0x18), /* NT-response length, twice */
|
|
SHORTPAIR(0x18),
|
|
#else
|
|
0x0, 0x0,
|
|
0x0, 0x0,
|
|
#endif
|
|
SHORTPAIR(ntrespoff),
|
|
0x0, 0x0,
|
|
|
|
SHORTPAIR(domlen),
|
|
SHORTPAIR(domlen),
|
|
SHORTPAIR(domoff),
|
|
0x0, 0x0,
|
|
|
|
SHORTPAIR(userlen),
|
|
SHORTPAIR(userlen),
|
|
SHORTPAIR(useroff),
|
|
0x0, 0x0,
|
|
|
|
SHORTPAIR(hostlen),
|
|
SHORTPAIR(hostlen),
|
|
SHORTPAIR(hostoff),
|
|
0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
|
|
|
|
0x0, 0x0,
|
|
|
|
0x0, 0x0);
|
|
|
|
/* size is now 64 */
|
|
size=64;
|
|
ntlmbuf[62]=ntlmbuf[63]=0;
|
|
|
|
/* Make sure that the user and domain strings fit in the target buffer
|
|
before we copy them there. */
|
|
if(size + userlen + domlen >= sizeof(ntlmbuf)) {
|
|
failf(conn->data, "user + domain name too big");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
memcpy(&ntlmbuf[size], domain, domlen);
|
|
size += domlen;
|
|
|
|
memcpy(&ntlmbuf[size], user, userlen);
|
|
size += userlen;
|
|
|
|
/* we append the binary hashes to the end of the blob */
|
|
if(size < ((int)sizeof(ntlmbuf) - 0x18)) {
|
|
memcpy(&ntlmbuf[size], lmresp, 0x18);
|
|
size += 0x18;
|
|
}
|
|
|
|
#ifdef USE_NTRESPONSES
|
|
if(size < ((int)sizeof(ntlmbuf) - 0x18)) {
|
|
memcpy(&ntlmbuf[size], ntresp, 0x18);
|
|
size += 0x18;
|
|
}
|
|
#endif
|
|
|
|
ntlmbuf[56] = (unsigned char)(size & 0xff);
|
|
ntlmbuf[57] = (unsigned char)(size >> 8);
|
|
|
|
#endif
|
|
|
|
/* convert the binary blob into base64 */
|
|
size = Curl_base64_encode((char *)ntlmbuf, size, &base64);
|
|
|
|
if(size >0 ) {
|
|
Curl_safefree(*allocuserpwd);
|
|
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
|
|
proxy?"Proxy-":"",
|
|
base64);
|
|
free(base64);
|
|
}
|
|
else
|
|
return CURLE_OUT_OF_MEMORY; /* FIX TODO */
|
|
|
|
ntlm->state = NTLMSTATE_TYPE3; /* we sent a type-3 */
|
|
authp->done = TRUE;
|
|
}
|
|
break;
|
|
|
|
case NTLMSTATE_TYPE3:
|
|
/* connection is already authenticated,
|
|
* don't send a header in future requests */
|
|
if(*allocuserpwd) {
|
|
free(*allocuserpwd);
|
|
*allocuserpwd=NULL;
|
|
}
|
|
authp->done = TRUE;
|
|
break;
|
|
}
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
|
|
void
|
|
Curl_ntlm_cleanup(struct connectdata *conn)
|
|
{
|
|
#ifdef USE_WINDOWS_SSPI
|
|
ntlm_sspi_cleanup(&conn->ntlm);
|
|
ntlm_sspi_cleanup(&conn->proxyntlm);
|
|
if (s_hSecDll != NULL) {
|
|
FreeLibrary(s_hSecDll);
|
|
s_hSecDll = NULL;
|
|
s_pSecFn = NULL;
|
|
}
|
|
#else
|
|
(void)conn;
|
|
#endif
|
|
}
|
|
|
|
#endif /* USE_NTLM */
|
|
#endif /* !CURL_DISABLE_HTTP */
|