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NTLM: END of refactoring/splitting/moving 

First:

File curl_ntlm.h renamed curl_ntlm_msgs.h
File curl_ntlm.c renamed curl_ntlm_msgs.c

Afterwards:

File http_ntlm.c renamed curl_ntlm.c
File http_ntlm.h renamed curl_ntlm.h
This commit is contained in:
Yang Tse 2011-08-28 02:00:02 +02:00
parent 135f694058
commit 662c1d87f3
13 changed files with 1339 additions and 1339 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Makefile.inc
View File

@ -14,7 +14,7 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \
curl_fnmatch.c fileinfo.c ftplistparser.c wildcard.c krb5.c \
memdebug.c http_chunks.c strtok.c connect.c llist.c hash.c multi.c \
content_encoding.c share.c http_digest.c md4.c md5.c curl_rand.c \
http_negotiate.c http_ntlm.c inet_pton.c strtoofft.c strerror.c \
http_negotiate.c inet_pton.c strtoofft.c strerror.c \
hostasyn.c hostip4.c hostip6.c hostsyn.c inet_ntop.c parsedate.c \
select.c gtls.c sslgen.c tftp.c splay.c strdup.c socks.c ssh.c nss.c \
qssl.c rawstr.c curl_addrinfo.c socks_gssapi.c socks_sspi.c \
@ -23,7 +23,7 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \
curl_rtmp.c openldap.c curl_gethostname.c gopher.c axtls.c \
idn_win32.c http_negotiate_sspi.c cyassl.c http_proxy.c non-ascii.c \
asyn-ares.c asyn-thread.c curl_gssapi.c curl_ntlm.c curl_ntlm_wb.c \
curl_ntlm_core.c
curl_ntlm_core.c curl_ntlm_msgs.c
HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \
progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h \
@ -31,7 +31,7 @@ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \
getinfo.h strequal.h krb4.h memdebug.h http_chunks.h curl_rand.h \
curl_fnmatch.h wildcard.h fileinfo.h ftplistparser.h strtok.h \
connect.h llist.h hash.h content_encoding.h share.h curl_md4.h \
curl_md5.h http_digest.h http_negotiate.h http_ntlm.h inet_pton.h \
curl_md5.h http_digest.h http_negotiate.h inet_pton.h \
strtoofft.h strerror.h inet_ntop.h curlx.h curl_memory.h setup.h \
transfer.h select.h easyif.h multiif.h parsedate.h sslgen.h gtls.h \
tftp.h sockaddr.h splay.h strdup.h setup_once.h socks.h ssh.h nssg.h \
@ -39,4 +39,4 @@ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \
curl_memrchr.h imap.h pop3.h smtp.h pingpong.h rtsp.h curl_threads.h \
warnless.h curl_hmac.h polarssl.h curl_rtmp.h curl_gethostname.h \
gopher.h axtls.h cyassl.h http_proxy.h non-ascii.h asyn.h curl_ntlm.h \
curl_gssapi.h curl_ntlm_wb.h curl_ntlm_core.h
curl_gssapi.h curl_ntlm_wb.h curl_ntlm_core.h curl_ntlm_msgs.h

2
lib/Makefile.vc6
View File

@ -508,6 +508,7 @@ X_OBJS= \
$(DIROBJ)\curl_memrchr.obj \
$(DIROBJ)\curl_ntlm.obj \
$(DIROBJ)\curl_ntlm_core.obj \
$(DIROBJ)\curl_ntlm_msgs.obj \
$(DIROBJ)\curl_ntlm_wb.obj \
$(DIROBJ)\curl_rand.obj \
$(DIROBJ)\curl_rtmp.obj \
@ -536,7 +537,6 @@ X_OBJS= \
$(DIROBJ)\http_digest.obj \
$(DIROBJ)\http_negotiate.obj \
$(DIROBJ)\http_negotiate_sspi.obj \
$(DIROBJ)\http_ntlm.obj \
$(DIROBJ)\http.obj \
$(DIROBJ)\http_proxy.obj \
$(DIROBJ)\if2ip.obj \

1060
lib/curl_ntlm.c
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File diff suppressed because it is too large Load Diff

142
lib/curl_ntlm.h
View File

@ -24,141 +24,19 @@
#ifdef USE_NTLM
/* This is to generate a base64 encoded NTLM type-1 message */
CURLcode Curl_ntlm_create_type1_message(const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr);
/* this is for ntlm header input */
CURLcode Curl_input_ntlm(struct connectdata *conn, bool proxy,
const char *header);
/* This is to generate a base64 encoded NTLM type-3 message */
CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr);
/* this is for creating ntlm header output */
CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy);
/* This is to decode a NTLM type-2 message */
CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
const char* header,
struct ntlmdata* ntlm);
void Curl_http_ntlm_cleanup(struct connectdata *conn);
#else
#define Curl_http_ntlm_cleanup(a)
/* This is to clean up the ntlm data structure */
#ifdef USE_WINDOWS_SSPI
void Curl_ntlm_sspi_cleanup(struct ntlmdata *ntlm);
#endif
/* NTLM buffer fixed size, large enough for long user + host + domain */
#define NTLM_BUFSIZE 1024
/* Stuff only required for curl_ntlm.c */
#ifdef BUILDING_CURL_NTLM_C
/* Flag bits definitions based on http://davenport.sourceforge.net/ntlm.html */
#define NTLMFLAG_NEGOTIATE_UNICODE (1<<0)
/* Indicates that Unicode strings are supported for use in security buffer
data. */
#define NTLMFLAG_NEGOTIATE_OEM (1<<1)
/* Indicates that OEM strings are supported for use in security buffer data. */
#define NTLMFLAG_REQUEST_TARGET (1<<2)
/* Requests that the server's authentication realm be included in the Type 2
message. */
/* unknown (1<<3) */
#define NTLMFLAG_NEGOTIATE_SIGN (1<<4)
/* Specifies that authenticated communication between the client and server
should carry a digital signature (message integrity). */
#define NTLMFLAG_NEGOTIATE_SEAL (1<<5)
/* Specifies that authenticated communication between the client and server
should be encrypted (message confidentiality). */
#define NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE (1<<6)
/* Indicates that datagram authentication is being used. */
#define NTLMFLAG_NEGOTIATE_LM_KEY (1<<7)
/* Indicates that the LAN Manager session key should be used for signing and
sealing authenticated communications. */
#define NTLMFLAG_NEGOTIATE_NETWARE (1<<8)
/* unknown purpose */
#define NTLMFLAG_NEGOTIATE_NTLM_KEY (1<<9)
/* Indicates that NTLM authentication is being used. */
/* unknown (1<<10) */
#define NTLMFLAG_NEGOTIATE_ANONYMOUS (1<<11)
/* Sent by the client in the Type 3 message to indicate that an anonymous
context has been established. This also affects the response fields. */
#define NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED (1<<12)
/* Sent by the client in the Type 1 message to indicate that a desired
authentication realm is included in the message. */
#define NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED (1<<13)
/* Sent by the client in the Type 1 message to indicate that the client
workstation's name is included in the message. */
#define NTLMFLAG_NEGOTIATE_LOCAL_CALL (1<<14)
/* Sent by the server to indicate that the server and client are on the same
machine. Implies that the client may use a pre-established local security
context rather than responding to the challenge. */
#define NTLMFLAG_NEGOTIATE_ALWAYS_SIGN (1<<15)
/* Indicates that authenticated communication between the client and server
should be signed with a "dummy" signature. */
#define NTLMFLAG_TARGET_TYPE_DOMAIN (1<<16)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a domain. */
#define NTLMFLAG_TARGET_TYPE_SERVER (1<<17)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a server. */
#define NTLMFLAG_TARGET_TYPE_SHARE (1<<18)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a share. Presumably, this is for share-level
authentication. Usage is unclear. */
#define NTLMFLAG_NEGOTIATE_NTLM2_KEY (1<<19)
/* Indicates that the NTLM2 signing and sealing scheme should be used for
protecting authenticated communications. */
#define NTLMFLAG_REQUEST_INIT_RESPONSE (1<<20)
/* unknown purpose */
#define NTLMFLAG_REQUEST_ACCEPT_RESPONSE (1<<21)
/* unknown purpose */
#define NTLMFLAG_REQUEST_NONNT_SESSION_KEY (1<<22)
/* unknown purpose */
#define NTLMFLAG_NEGOTIATE_TARGET_INFO (1<<23)
/* Sent by the server in the Type 2 message to indicate that it is including a
Target Information block in the message. */
/* unknown (1<24) */
/* unknown (1<25) */
/* unknown (1<26) */
/* unknown (1<27) */
/* unknown (1<28) */
#define NTLMFLAG_NEGOTIATE_128 (1<<29)
/* Indicates that 128-bit encryption is supported. */
#define NTLMFLAG_NEGOTIATE_KEY_EXCHANGE (1<<30)
/* Indicates that the client will provide an encrypted master key in
the "Session Key" field of the Type 3 message. */
#define NTLMFLAG_NEGOTIATE_56 (1<<31)
/* Indicates that 56-bit encryption is supported. */
#endif /* BUILDING_CURL_NTLM_C */
#endif /* USE_NTLM */
#endif /* HEADER_CURL_NTLM_H */

997
lib/curl_ntlm_msgs.c Normal file
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@ -0,0 +1,997 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, 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.
*
***************************************************************************/
#include "setup.h"
/* NTLM details:
http://davenport.sourceforge.net/ntlm.html
http://www.innovation.ch/java/ntlm.html
*/
#ifdef USE_NTLM
#define DEBUG_ME 0
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if (defined(NETWARE) && !defined(__NOVELL_LIBC__))
#include <netdb.h>
#endif
#define BUILDING_CURL_NTLM_MSGS_C
#include "urldata.h"
#include "non-ascii.h"
#include "sendf.h"
#include "select.h"
#include "rawstr.h"
#include "curl_base64.h"
#include "curl_ntlm_msgs.h"
#include "url.h"
#include "strerror.h"
#include "curl_gethostname.h"
#include "curl_memory.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#ifdef USE_SSLEAY
#include "ssluse.h"
# ifdef USE_OPENSSL
# include <openssl/des.h>
# ifndef OPENSSL_NO_MD4
# include <openssl/md4.h>
# endif
# include <openssl/md5.h>
# include <openssl/ssl.h>
# include <openssl/rand.h>
# else
# include <des.h>
# ifndef OPENSSL_NO_MD4
# include <md4.h>
# endif
# include <md5.h>
# include <ssl.h>
# include <rand.h>
# endif
#ifndef OPENSSL_VERSION_NUMBER
#error "OPENSSL_VERSION_NUMBER not defined"
#endif
#ifdef OPENSSL_NO_MD4
/* This requires MD4, but OpenSSL was compiled without it */
#define USE_NTRESPONSES 0
#define USE_NTLM2SESSION 0
#endif
#elif defined(USE_GNUTLS)
#include "gtls.h"
#include <gcrypt.h>
#define MD5_DIGEST_LENGTH 16
#define MD4_DIGEST_LENGTH 16
#elif defined(USE_NSS)
#include "curl_md4.h"
#include "nssg.h"
#include <nss.h>
#include <pk11pub.h>
#include <hasht.h>
#define MD5_DIGEST_LENGTH MD5_LENGTH
#elif defined(USE_WINDOWS_SSPI)
#include "curl_sspi.h"
#else
# error "Can't compile NTLM support without a crypto library."
#endif
#ifndef USE_NTRESPONSES
/* Define this to make the type-3 message include the NT response message */
#define USE_NTRESPONSES 1
/* Define this to make the type-3 message include the NTLM2Session response
message, requires USE_NTRESPONSES. */
#define USE_NTLM2SESSION 1
#endif
#include "curl_ntlm_core.h"
/* The last #include file should be: */
#include "memdebug.h"
/* Hostname buffer size */
#define HOSTNAME_MAX 1024
/* "NTLMSSP" signature is always in ASCII regardless of the platform */
#define NTLMSSP_SIGNATURE "\x4e\x54\x4c\x4d\x53\x53\x50"
#define SHORTPAIR(x) ((x) & 0xff), (((x) >> 8) & 0xff)
#define LONGQUARTET(x) ((x) & 0xff), (((x) >> 8) & 0xff), \
(((x) >> 16) & 0xff), (((x) >> 24) & 0xff)
#if DEBUG_ME
# define DEBUG_OUT(x) x
static void ntlm_print_flags(FILE *handle, unsigned long flags)
{
if(flags & NTLMFLAG_NEGOTIATE_UNICODE)
fprintf(handle, "NTLMFLAG_NEGOTIATE_UNICODE ");
if(flags & NTLMFLAG_NEGOTIATE_OEM)
fprintf(handle, "NTLMFLAG_NEGOTIATE_OEM ");
if(flags & NTLMFLAG_REQUEST_TARGET)
fprintf(handle, "NTLMFLAG_REQUEST_TARGET ");
if(flags & (1<<3))
fprintf(handle, "NTLMFLAG_UNKNOWN_3 ");
if(flags & NTLMFLAG_NEGOTIATE_SIGN)
fprintf(handle, "NTLMFLAG_NEGOTIATE_SIGN ");
if(flags & NTLMFLAG_NEGOTIATE_SEAL)
fprintf(handle, "NTLMFLAG_NEGOTIATE_SEAL ");
if(flags & NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE)
fprintf(handle, "NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE ");
if(flags & NTLMFLAG_NEGOTIATE_LM_KEY)
fprintf(handle, "NTLMFLAG_NEGOTIATE_LM_KEY ");
if(flags & NTLMFLAG_NEGOTIATE_NETWARE)
fprintf(handle, "NTLMFLAG_NEGOTIATE_NETWARE ");
if(flags & NTLMFLAG_NEGOTIATE_NTLM_KEY)
fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM_KEY ");
if(flags & (1<<10))
fprintf(handle, "NTLMFLAG_UNKNOWN_10 ");
if(flags & NTLMFLAG_NEGOTIATE_ANONYMOUS)
fprintf(handle, "NTLMFLAG_NEGOTIATE_ANONYMOUS ");
if(flags & NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED)
fprintf(handle, "NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED ");
if(flags & NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED)
fprintf(handle, "NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED ");
if(flags & NTLMFLAG_NEGOTIATE_LOCAL_CALL)
fprintf(handle, "NTLMFLAG_NEGOTIATE_LOCAL_CALL ");
if(flags & NTLMFLAG_NEGOTIATE_ALWAYS_SIGN)
fprintf(handle, "NTLMFLAG_NEGOTIATE_ALWAYS_SIGN ");
if(flags & NTLMFLAG_TARGET_TYPE_DOMAIN)
fprintf(handle, "NTLMFLAG_TARGET_TYPE_DOMAIN ");
if(flags & NTLMFLAG_TARGET_TYPE_SERVER)
fprintf(handle, "NTLMFLAG_TARGET_TYPE_SERVER ");
if(flags & NTLMFLAG_TARGET_TYPE_SHARE)
fprintf(handle, "NTLMFLAG_TARGET_TYPE_SHARE ");
if(flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY)
fprintf(handle, "NTLMFLAG_NEGOTIATE_NTLM2_KEY ");
if(flags & NTLMFLAG_REQUEST_INIT_RESPONSE)
fprintf(handle, "NTLMFLAG_REQUEST_INIT_RESPONSE ");
if(flags & NTLMFLAG_REQUEST_ACCEPT_RESPONSE)
fprintf(handle, "NTLMFLAG_REQUEST_ACCEPT_RESPONSE ");
if(flags & NTLMFLAG_REQUEST_NONNT_SESSION_KEY)
fprintf(handle, "NTLMFLAG_REQUEST_NONNT_SESSION_KEY ");
if(flags & NTLMFLAG_NEGOTIATE_TARGET_INFO)
fprintf(handle, "NTLMFLAG_NEGOTIATE_TARGET_INFO ");
if(flags & (1<<24))
fprintf(handle, "NTLMFLAG_UNKNOWN_24 ");
if(flags & (1<<25))
fprintf(handle, "NTLMFLAG_UNKNOWN_25 ");
if(flags & (1<<26))
fprintf(handle, "NTLMFLAG_UNKNOWN_26 ");
if(flags & (1<<27))
fprintf(handle, "NTLMFLAG_UNKNOWN_27 ");
if(flags & (1<<28))
fprintf(handle, "NTLMFLAG_UNKNOWN_28 ");
if(flags & NTLMFLAG_NEGOTIATE_128)
fprintf(handle, "NTLMFLAG_NEGOTIATE_128 ");
if(flags & NTLMFLAG_NEGOTIATE_KEY_EXCHANGE)
fprintf(handle, "NTLMFLAG_NEGOTIATE_KEY_EXCHANGE ");
if(flags & NTLMFLAG_NEGOTIATE_56)
fprintf(handle, "NTLMFLAG_NEGOTIATE_56 ");
}
static void ntlm_print_hex(FILE *handle, const char *buf, size_t len)
{
const char *p = buf;
(void)handle;
fprintf(stderr, "0x");
while(len-- > 0)
fprintf(stderr, "%02.2x", (unsigned int)*p++);
}
#else
# define DEBUG_OUT(x)
#endif
#ifndef USE_WINDOWS_SSPI
/*
* This function converts from the little endian format used in the
* incoming package to whatever endian format we're using natively.
* Argument is a pointer to a 4 byte buffer.
*/
static unsigned int readint_le(unsigned char *buf)
{
return ((unsigned int)buf[0]) | ((unsigned int)buf[1] << 8) |
((unsigned int)buf[2] << 16) | ((unsigned int)buf[3] << 24);
}
#endif
/*
NTLM message structure notes:
A 'short' is a 'network short', a little-endian 16-bit unsigned value.
A 'long' is a 'network long', a little-endian, 32-bit unsigned value.
A 'security buffer' represents a triplet used to point to a buffer,
consisting of two shorts and one long:
1. A 'short' containing the length of the buffer content 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 in bytes,
from the beginning of the NTLM message.
*/
/*
* Curl_ntlm_decode_type2_message()
*
* This is used to decode a ntlm type-2 message received from a: HTTP, SMTP
* or POP3 server. The message is first decoded from a base64 string into a
* raw ntlm message and checked for validity before the appropriate data for
* creating a type-3 message is written to the given ntlm data structure.
*
* Parameters:
*
* data [in] - Pointer to session handle.
* header [in] - Pointer to the input buffer.
* ntlm [in] - Pointer to ntlm data struct being used and modified.
*
* Returns CURLE_OK on success.
*/
CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
const char* header,
struct ntlmdata* ntlm)
{
#ifndef USE_WINDOWS_SSPI
static const char type2_marker[] = { 0x02, 0x00, 0x00, 0x00 };
#endif
/* NTLM type-2 message structure:
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 8 bytes (two consecutive longs) (*)
(40) Target Information security buffer (*)
(48) OS Version Structure 8 bytes (*)
32 (48) (56) Start of data block (*)
(*) -> Optional
*/
size_t size = 0;
unsigned char *buffer = NULL;
CURLcode error;
#if defined(CURL_DISABLE_VERBOSE_STRINGS) || defined(USE_WINDOWS_SSPI)
(void)data;
#endif
error = Curl_base64_decode(header, &buffer, &size);
if(error)
return error;
if(!buffer) {
infof(data, "NTLM handshake failure (unhandled condition)\n");
return CURLE_REMOTE_ACCESS_DENIED;
}
#ifdef USE_WINDOWS_SSPI
ntlm->type_2 = malloc(size + 1);
if(ntlm->type_2 == NULL) {
free(buffer);
return CURLE_OUT_OF_MEMORY;
}
ntlm->n_type_2 = (unsigned long)size;
memcpy(ntlm->type_2, buffer, size);
#else
ntlm->flags = 0;
if((size < 32) ||
(memcmp(buffer, NTLMSSP_SIGNATURE, 8) != 0) ||
(memcmp(buffer + 8, type2_marker, sizeof(type2_marker)) != 0)) {
/* This was not a good enough type-2 message */
free(buffer);
infof(data, "NTLM handshake failure (bad type-2 message)\n");
return CURLE_REMOTE_ACCESS_DENIED;
}
ntlm->flags = readint_le(&buffer[20]);
memcpy(ntlm->nonce, &buffer[24], 8);
DEBUG_OUT({
fprintf(stderr, "**** TYPE2 header flags=0x%08.8lx ", ntlm->flags);
ntlm_print_flags(stderr, ntlm->flags);
fprintf(stderr, "\n nonce=");
ntlm_print_hex(stderr, (char *)ntlm->nonce, 8);
fprintf(stderr, "\n****\n");
fprintf(stderr, "**** Header %s\n ", header);
});
#endif
free(buffer);
return CURLE_OK;
}
#ifdef USE_WINDOWS_SSPI
void Curl_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
#ifndef USE_WINDOWS_SSPI
/* copy the source to the destination and fill in zeroes in every
other destination byte! */
static void unicodecpy(unsigned char *dest,
const char *src, size_t length)
{
size_t i;
for(i = 0; i < length; i++) {
dest[2 * i] = (unsigned char)src[i];
dest[2 * i + 1] = '\0';
}
}
#endif
/*
* Curl_ntlm_create_type1_message()
*
* This is used to generate an already encoded NTLM type-1 message ready
* for sending to the recipient, be it a: HTTP, SMTP or POP3 server,
* using the appropriate compile time crypo API.
*
* Parameters:
*
* userp [in] - The user name in the format User or Domain\User.
* passdwp [in] - The user's password.
* ntlm [in/out] - The ntlm data struct being used and modified.
* outptr [in/out] - The adress where a pointer to newly allocated memory
* holding the result will be stored upon completion.
*
* Returns CURLE_OK on success.
*/
CURLcode Curl_ntlm_create_type1_message(const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr)
{
/* NTLM type-1 message structure:
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) OS Version Structure 8 bytes (*)
(32) (40) Start of data block (*)
(*) -> Optional
*/
unsigned char ntlmbuf[NTLM_BUFSIZE];
size_t base64_sz = 0;
size_t size;
#ifdef USE_WINDOWS_SSPI
SecBuffer buf;
SecBufferDesc desc;
SECURITY_STATUS status;
ULONG attrs;
const char *dest = "";
const char *user;
const char *domain = "";
size_t userlen = 0;
size_t domlen = 0;
size_t passwdlen = 0;
TimeStamp tsDummy; /* For Windows 9x compatibility of SSPI calls */
Curl_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)
userlen = strlen(user);
if(passwdp)
passwdlen = strlen(passwdp);
if(userlen > 0) {
/* 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 = (unsigned long)userlen;
if((ntlm->identity.Password = (unsigned char *)strdup(passwdp)) == NULL)
return CURLE_OUT_OF_MEMORY;
ntlm->identity.PasswordLength = (unsigned long)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 = (unsigned long)domlen;
ntlm->identity.Flags = SEC_WINNT_AUTH_IDENTITY_ANSI;
}
else
ntlm->p_identity = NULL;
status = s_pSecFn->AcquireCredentialsHandleA(NULL, (void *)"NTLM",
SECPKG_CRED_OUTBOUND, NULL,
ntlm->p_identity, NULL, NULL,
&ntlm->handle, &tsDummy);
if(status != SEC_E_OK)
return CURLE_OUT_OF_MEMORY;
desc.ulVersion = SECBUFFER_VERSION;
desc.cBuffers = 1;
desc.pBuffers = &buf;
buf.cbBuffer = NTLM_BUFSIZE;
buf.BufferType = SECBUFFER_TOKEN;
buf.pvBuffer = ntlmbuf;
status = s_pSecFn->InitializeSecurityContextA(&ntlm->handle, NULL,
(void *)dest,
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
const char *host = ""; /* empty */
const char *domain = ""; /* empty */
size_t hostlen = 0;
size_t domlen = 0;
size_t hostoff = 0;
size_t domoff = hostoff + hostlen; /* This is 0: remember that host and
domain are empty */
(void)userp;
(void)passwdp;
(void)ntlm;
#if USE_NTLM2SESSION
#define NTLM2FLAG NTLMFLAG_NEGOTIATE_NTLM2_KEY
#else
#define NTLM2FLAG 0
#endif
snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
NTLMSSP_SIGNATURE "%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 |
NTLMFLAG_REQUEST_TARGET |
NTLMFLAG_NEGOTIATE_NTLM_KEY |
NTLM2FLAG |
NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
SHORTPAIR(domlen),
SHORTPAIR(domlen),
SHORTPAIR(domoff),
0, 0,
SHORTPAIR(hostlen),
SHORTPAIR(hostlen),
SHORTPAIR(hostoff),
0, 0,
host, /* this is empty */
domain /* this is empty */);
/* Initial packet length */
size = 32 + hostlen + domlen;
#endif
DEBUG_OUT({
fprintf(stderr, "* TYPE1 header flags=0x%02.2x%02.2x%02.2x%02.2x "
"0x%08.8x ",
LONGQUARTET(NTLMFLAG_NEGOTIATE_OEM |
NTLMFLAG_REQUEST_TARGET |
NTLMFLAG_NEGOTIATE_NTLM_KEY |
NTLM2FLAG |
NTLMFLAG_NEGOTIATE_ALWAYS_SIGN),
NTLMFLAG_NEGOTIATE_OEM |
NTLMFLAG_REQUEST_TARGET |
NTLMFLAG_NEGOTIATE_NTLM_KEY |
NTLM2FLAG |
NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
ntlm_print_flags(stderr,
NTLMFLAG_NEGOTIATE_OEM |
NTLMFLAG_REQUEST_TARGET |
NTLMFLAG_NEGOTIATE_NTLM_KEY |
NTLM2FLAG |
NTLMFLAG_NEGOTIATE_ALWAYS_SIGN);
fprintf(stderr, "\n****\n");
});
/* Return with binary blob encoded into base64 */
return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, &base64_sz);
}
/*
* Curl_ntlm_create_type3_message()
*
* This is used to generate an already encoded NTLM type-3 message ready
* for sending to the recipient, be it a: HTTP, SMTP or POP3 server,
* using the appropriate compile time crypo API.
*
* Parameters:
*
* data [in] - The session handle.
* userp [in] - The user name in the format User or Domain\User.
* passdwp [in] - The user's password.
* ntlm [in/out] - The ntlm data struct being used and modified.
* outptr [in/out] - The adress where a pointer to newly allocated memory
* holding the result will be stored upon completion.
*
* Returns CURLE_OK on success.
*/
CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr)
{
/* NTLM type-3 message structure:
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 Target Name security buffer
36 User Name security buffer
44 Workstation Name security buffer
(52) Session Key security buffer (*)
(60) Flags long (*)
(64) OS Version Structure 8 bytes (*)
52 (64) (72) Start of data block
(*) -> Optional
*/
unsigned char ntlmbuf[NTLM_BUFSIZE];
size_t base64_sz = 0;
size_t size;
#ifdef USE_WINDOWS_SSPI
const char *dest = "";
SecBuffer type_2;
SecBuffer type_3;
SecBufferDesc type_2_desc;
SecBufferDesc type_3_desc;
SECURITY_STATUS status;
ULONG attrs;
TimeStamp tsDummy; /* For Windows 9x compatibility of SSPI calls */
(void)passwdp;
(void)userp;
(void)data;
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 = NTLM_BUFSIZE;
status = s_pSecFn->InitializeSecurityContextA(&ntlm->handle,
&ntlm->c_handle,
(void *)dest,
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;
Curl_ntlm_sspi_cleanup(ntlm);
#else
int lmrespoff;
unsigned char lmresp[24]; /* fixed-size */
#if USE_NTRESPONSES
int ntrespoff;
unsigned char ntresp[24]; /* fixed-size */
#endif
bool unicode = (ntlm->flags & NTLMFLAG_NEGOTIATE_UNICODE) ? TRUE : FALSE;
char host[HOSTNAME_MAX + 1] = "";
const char *user;
const char *domain = "";
size_t hostoff = 0;
size_t useroff = 0;
size_t domoff = 0;
size_t hostlen = 0;
size_t userlen = 0;
size_t domlen = 0;
CURLcode res;
user = strchr(userp, '\\');
if(!user)
user = strchr(userp, '/');
if(user) {
domain = userp;
domlen = (user - domain);
user++;
}
else
user = userp;
if(user)
userlen = strlen(user);
if(Curl_gethostname(host, HOSTNAME_MAX)) {
infof(data, "gethostname() failed, continuing without!");
hostlen = 0;
}
else {
/* If the workstation if configured with a full DNS name (i.e.
* workstation.somewhere.net) gethostname() returns the fully qualified
* name, which NTLM doesn't like.
*/
char *dot = strchr(host, '.');
if(dot)
*dot = '\0';
hostlen = strlen(host);
}
if(unicode) {
domlen = domlen * 2;
userlen = userlen * 2;
hostlen = hostlen * 2;
}
#if USE_NTLM2SESSION
/* We don't support NTLM2 if we don't have USE_NTRESPONSES */
if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY) {
unsigned char ntbuffer[0x18];
unsigned char tmp[0x18];
unsigned char md5sum[MD5_DIGEST_LENGTH];
unsigned char entropy[8];
/* Need to create 8 bytes random data */
#ifdef USE_SSLEAY
MD5_CTX MD5pw;
Curl_ossl_seed(data); /* Initiate the seed if not already done */
RAND_bytes(entropy, 8);
#elif defined(USE_GNUTLS)
gcry_md_hd_t MD5pw;
Curl_gtls_seed(data); /* Initiate the seed if not already done */
gcry_randomize(entropy, 8, GCRY_STRONG_RANDOM);
#elif defined(USE_NSS)
PK11Context *MD5pw;
unsigned int outlen;
Curl_nss_seed(data); /* Initiate the seed if not already done */
PK11_GenerateRandom(entropy, 8);
#endif
/* 8 bytes random data as challenge in lmresp */
memcpy(lmresp, entropy, 8);
/* Pad with zeros */
memset(lmresp + 8, 0, 0x10);
/* Fill tmp with challenge(nonce?) + entropy */
memcpy(tmp, &ntlm->nonce[0], 8);
memcpy(tmp + 8, entropy, 8);
#ifdef USE_SSLEAY
MD5_Init(&MD5pw);
MD5_Update(&MD5pw, tmp, 16);
MD5_Final(md5sum, &MD5pw);
#elif defined(USE_GNUTLS)
gcry_md_open(&MD5pw, GCRY_MD_MD5, 0);
gcry_md_write(MD5pw, tmp, MD5_DIGEST_LENGTH);
memcpy(md5sum, gcry_md_read (MD5pw, 0), MD5_DIGEST_LENGTH);
gcry_md_close(MD5pw);
#elif defined(USE_NSS)
MD5pw = PK11_CreateDigestContext(SEC_OID_MD5);
PK11_DigestOp(MD5pw, tmp, 16);
PK11_DigestFinal(MD5pw, md5sum, &outlen, MD5_DIGEST_LENGTH);
PK11_DestroyContext(MD5pw, PR_TRUE);
#endif
/* We shall only use the first 8 bytes of md5sum, but the des
code in Curl_ntlm_core_lm_resp only encrypt the first 8 bytes */
if(CURLE_OUT_OF_MEMORY ==
Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer))
return CURLE_OUT_OF_MEMORY;
Curl_ntlm_core_lm_resp(ntbuffer, md5sum, ntresp);
/* End of NTLM2 Session code */
}
else
#endif
{
#if USE_NTRESPONSES
unsigned char ntbuffer[0x18];
#endif
unsigned char lmbuffer[0x18];
#if USE_NTRESPONSES
if(CURLE_OUT_OF_MEMORY ==
Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer))
return CURLE_OUT_OF_MEMORY;
Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp);
#endif
Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
/* A safer but less compatible alternative is:
* Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);
* See http://davenport.sourceforge.net/ntlm.html#ntlmVersion2 */
}
lmrespoff = 64; /* size of the message header */
#if USE_NTRESPONSES
ntrespoff = lmrespoff + 0x18;
domoff = ntrespoff + 0x18;
#else
domoff = lmrespoff + 0x18;
#endif
useroff = domoff + domlen;
hostoff = useroff + userlen;
/* Create the big type-3 message binary blob */
size = snprintf((char *)ntlmbuf, NTLM_BUFSIZE,
NTLMSSP_SIGNATURE "%c"
"\x03%c%c%c" /* 32-bit type = 3 */
"%c%c" /* LanManager length */
"%c%c" /* LanManager 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" /* 2 zeroes */
"%c%c" /* session key length (unknown purpose) */
"%c%c" /* session key allocated space (unknown purpose) */
"%c%c" /* session key offset (unknown purpose) */
"%c%c" /* 2 zeroes */
"%c%c%c%c", /* flags */
/* 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,
#if USE_NTRESPONSES
SHORTPAIR(0x18), /* NT-response length, twice */
SHORTPAIR(0x18),
SHORTPAIR(ntrespoff),
0x0, 0x0,
#else
0x0, 0x0,
0x0, 0x0,
0x0, 0x0,
0x0, 0x0,
#endif
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,
LONGQUARTET(ntlm->flags));
DEBUGASSERT(size == 64);
DEBUGASSERT(size == (size_t)lmrespoff);
/* We append the binary hashes */
if(size < (NTLM_BUFSIZE - 0x18)) {
memcpy(&ntlmbuf[size], lmresp, 0x18);
size += 0x18;
}
DEBUG_OUT({
fprintf(stderr, "**** TYPE3 header lmresp=");
ntlm_print_hex(stderr, (char *)&ntlmbuf[lmrespoff], 0x18);
});
#if USE_NTRESPONSES
if(size < (NTLM_BUFSIZE - 0x18)) {
DEBUGASSERT(size == (size_t)ntrespoff);
memcpy(&ntlmbuf[size], ntresp, 0x18);
size += 0x18;
}
DEBUG_OUT({
fprintf(stderr, "\n ntresp=");
ntlm_print_hex(stderr, (char *)&ntlmbuf[ntrespoff], 0x18);
});
#endif
DEBUG_OUT({
fprintf(stderr, "\n flags=0x%02.2x%02.2x%02.2x%02.2x 0x%08.8x ",
LONGQUARTET(ntlm->flags), ntlm->flags);
ntlm_print_flags(stderr, ntlm->flags);
fprintf(stderr, "\n****\n");
});
/* Make sure that the domain, user and host strings fit in the
buffer before we copy them there. */
if(size + userlen + domlen + hostlen >= NTLM_BUFSIZE) {
failf(data, "user + domain + host name too big");
return CURLE_OUT_OF_MEMORY;
}
DEBUGASSERT(size == domoff);
if(unicode)
unicodecpy(&ntlmbuf[size], domain, domlen / 2);
else
memcpy(&ntlmbuf[size], domain, domlen);
size += domlen;
DEBUGASSERT(size == useroff);
if(unicode)
unicodecpy(&ntlmbuf[size], user, userlen / 2);
else
memcpy(&ntlmbuf[size], user, userlen);
size += userlen;
DEBUGASSERT(size == hostoff);
if(unicode)
unicodecpy(&ntlmbuf[size], host, hostlen / 2);
else
memcpy(&ntlmbuf[size], host, hostlen);
size += hostlen;
/* Convert domain, user, and host to ASCII but leave the rest as-is */
res = Curl_convert_to_network(data, (char *)&ntlmbuf[domoff],
size - domoff);
if(res)
return CURLE_CONV_FAILED;
#endif
/* Return with binary blob encoded into base64 */
return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, &base64_sz);
}
#endif /* USE_NTLM */

164
lib/curl_ntlm_msgs.h Normal file
View File

@ -0,0 +1,164 @@
#ifndef HEADER_CURL_NTLM_MSGS_H
#define HEADER_CURL_NTLM_MSGS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, 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.
*
***************************************************************************/
#ifdef USE_NTLM
/* This is to generate a base64 encoded NTLM type-1 message */
CURLcode Curl_ntlm_create_type1_message(const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr);
/* This is to generate a base64 encoded NTLM type-3 message */
CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data,
const char *userp,
const char *passwdp,
struct ntlmdata *ntlm,
char **outptr);
/* This is to decode a NTLM type-2 message */
CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data,
const char* header,
struct ntlmdata* ntlm);
/* This is to clean up the ntlm data structure */
#ifdef USE_WINDOWS_SSPI
void Curl_ntlm_sspi_cleanup(struct ntlmdata *ntlm);
#endif
/* NTLM buffer fixed size, large enough for long user + host + domain */
#define NTLM_BUFSIZE 1024
/* Stuff only required for curl_ntlm_msgs.c */
#ifdef BUILDING_CURL_NTLM_MSGS_C
/* Flag bits definitions based on http://davenport.sourceforge.net/ntlm.html */
#define NTLMFLAG_NEGOTIATE_UNICODE (1<<0)
/* Indicates that Unicode strings are supported for use in security buffer
data. */
#define NTLMFLAG_NEGOTIATE_OEM (1<<1)
/* Indicates that OEM strings are supported for use in security buffer data. */
#define NTLMFLAG_REQUEST_TARGET (1<<2)
/* Requests that the server's authentication realm be included in the Type 2
message. */
/* unknown (1<<3) */
#define NTLMFLAG_NEGOTIATE_SIGN (1<<4)
/* Specifies that authenticated communication between the client and server
should carry a digital signature (message integrity). */
#define NTLMFLAG_NEGOTIATE_SEAL (1<<5)
/* Specifies that authenticated communication between the client and server
should be encrypted (message confidentiality). */
#define NTLMFLAG_NEGOTIATE_DATAGRAM_STYLE (1<<6)
/* Indicates that datagram authentication is being used. */
#define NTLMFLAG_NEGOTIATE_LM_KEY (1<<7)
/* Indicates that the LAN Manager session key should be used for signing and
sealing authenticated communications. */
#define NTLMFLAG_NEGOTIATE_NETWARE (1<<8)
/* unknown purpose */
#define NTLMFLAG_NEGOTIATE_NTLM_KEY (1<<9)
/* Indicates that NTLM authentication is being used. */
/* unknown (1<<10) */
#define NTLMFLAG_NEGOTIATE_ANONYMOUS (1<<11)
/* Sent by the client in the Type 3 message to indicate that an anonymous
context has been established. This also affects the response fields. */
#define NTLMFLAG_NEGOTIATE_DOMAIN_SUPPLIED (1<<12)
/* Sent by the client in the Type 1 message to indicate that a desired
authentication realm is included in the message. */
#define NTLMFLAG_NEGOTIATE_WORKSTATION_SUPPLIED (1<<13)
/* Sent by the client in the Type 1 message to indicate that the client
workstation's name is included in the message. */
#define NTLMFLAG_NEGOTIATE_LOCAL_CALL (1<<14)
/* Sent by the server to indicate that the server and client are on the same
machine. Implies that the client may use a pre-established local security
context rather than responding to the challenge. */
#define NTLMFLAG_NEGOTIATE_ALWAYS_SIGN (1<<15)
/* Indicates that authenticated communication between the client and server
should be signed with a "dummy" signature. */
#define NTLMFLAG_TARGET_TYPE_DOMAIN (1<<16)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a domain. */
#define NTLMFLAG_TARGET_TYPE_SERVER (1<<17)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a server. */
#define NTLMFLAG_TARGET_TYPE_SHARE (1<<18)
/* Sent by the server in the Type 2 message to indicate that the target
authentication realm is a share. Presumably, this is for share-level
authentication. Usage is unclear. */
#define NTLMFLAG_NEGOTIATE_NTLM2_KEY (1<<19)
/* Indicates that the NTLM2 signing and sealing scheme should be used for
protecting authenticated communications. */
#define NTLMFLAG_REQUEST_INIT_RESPONSE (1<<20)
/* unknown purpose */
#define NTLMFLAG_REQUEST_ACCEPT_RESPONSE (1<<21)
/* unknown purpose */
#define NTLMFLAG_REQUEST_NONNT_SESSION_KEY (1<<22)
/* unknown purpose */
#define NTLMFLAG_NEGOTIATE_TARGET_INFO (1<<23)
/* Sent by the server in the Type 2 message to indicate that it is including a
Target Information block in the message. */
/* unknown (1<24) */
/* unknown (1<25) */
/* unknown (1<26) */
/* unknown (1<27) */
/* unknown (1<28) */
#define NTLMFLAG_NEGOTIATE_128 (1<<29)
/* Indicates that 128-bit encryption is supported. */
#define NTLMFLAG_NEGOTIATE_KEY_EXCHANGE (1<<30)
/* Indicates that the client will provide an encrypted master key in
the "Session Key" field of the Type 3 message. */
#define NTLMFLAG_NEGOTIATE_56 (1<<31)
/* Indicates that 56-bit encryption is supported. */
#endif /* BUILDING_CURL_NTLM_MSGS_C */
#endif /* USE_NTLM */
#endif /* HEADER_CURL_NTLM_MSGS_H */

2
lib/easy.c
View File

@ -63,7 +63,7 @@
#include "easyif.h"
#include "select.h"
#include "sendf.h" /* for failf function prototype */
#include "http_ntlm.h"
#include "curl_ntlm.h"
#include "connect.h" /* for Curl_getconnectinfo */
#include "slist.h"
#include "curl_rand.h"

2
lib/http.c
View File

@ -62,7 +62,7 @@
#include "strequal.h"
#include "sslgen.h"
#include "http_digest.h"
#include "http_ntlm.h"
#include "curl_ntlm.h"
#include "curl_ntlm_wb.h"
#include "http_negotiate.h"
#include "url.h"

253
lib/http_ntlm.c
View File

@ -1,253 +0,0 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, 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.
*
***************************************************************************/
#include "setup.h"
/* NTLM details:
http://davenport.sourceforge.net/ntlm.html
http://www.innovation.ch/java/ntlm.html
*/
#ifdef USE_NTLM
#define DEBUG_ME 0
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#if (defined(NETWARE) && !defined(__NOVELL_LIBC__))
#include <netdb.h>
#endif
#include "urldata.h"
#include "non-ascii.h" /* for Curl_convert_... prototypes */
#include "sendf.h"
#include "select.h"
#include "rawstr.h"
#include "curl_base64.h"
#include "http_ntlm.h"
#include "curl_ntlm.h"
#include "curl_ntlm_wb.h"
#include "url.h"
#include "strerror.h"
#include "curl_gethostname.h"
#include "curl_memory.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#if defined(USE_NSS)
#include "nssg.h"
#elif defined(USE_WINDOWS_SSPI)
#include "curl_sspi.h"
#endif
/* The last #include file should be: */
#include "memdebug.h"
#if DEBUG_ME
# define DEBUG_OUT(x) x
#else
# define DEBUG_OUT(x)
#endif
CURLcode Curl_input_ntlm(struct connectdata *conn,
bool proxy, /* if proxy or not */
const char *header) /* rest of the www-authenticate:
header */
{
/* point to the correct struct with this */
struct ntlmdata *ntlm;
CURLcode result = CURLE_OK;
#ifdef USE_NSS
result = Curl_nss_force_init(conn->data);
if(result)
return result;
#endif
ntlm = proxy ? &conn->proxyntlm : &conn->ntlm;
/* skip initial whitespaces */
while(*header && ISSPACE(*header))
header++;
if(checkprefix("NTLM", header)) {
header += strlen("NTLM");
while(*header && ISSPACE(*header))
header++;
if(*header) {
result = Curl_ntlm_decode_type2_message(conn->data, header, ntlm);
if(CURLE_OK != result)
return result;
ntlm->state = NTLMSTATE_TYPE2; /* We got a type-2 message */
}
else {
if(ntlm->state >= NTLMSTATE_TYPE1) {
infof(conn->data, "NTLM handshake failure (internal error)\n");
return CURLE_REMOTE_ACCESS_DENIED;
}
ntlm->state = NTLMSTATE_TYPE1; /* We should send away a type-1 */
}
}
return result;
}
/*
* This is for creating ntlm header output
*/
CURLcode Curl_output_ntlm(struct connectdata *conn,
bool proxy)
{
char *base64 = NULL;
CURLcode error;
/* point to the address of the pointer that holds the string to send to the
server, which is for a plain host or for a HTTP proxy */
char **allocuserpwd;
/* point to the name and password for this */
const char *userp;
const char *passwdp;
/* point to the correct struct with this */
struct ntlmdata *ntlm;
struct auth *authp;
DEBUGASSERT(conn);
DEBUGASSERT(conn->data);
#ifdef USE_NSS
if(CURLE_OK != Curl_nss_force_init(conn->data))
return CURLE_OUT_OF_MEMORY;
#endif
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 = "";
if(!passwdp)
passwdp = "";
#ifdef USE_WINDOWS_SSPI
if(s_hSecDll == NULL) {
/* not thread safe and leaks - use curl_global_init() to avoid */
CURLcode err = Curl_sspi_global_init();
if(s_hSecDll == NULL)
return err;
}
#endif
switch(ntlm->state) {
case NTLMSTATE_TYPE1:
default: /* for the weird cases we (re)start here */
/* Create a type-1 message */
error = Curl_ntlm_create_type1_message(userp, passwdp, ntlm, &base64);
if(error)
return error;
if(base64) {
Curl_safefree(*allocuserpwd);
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
proxy ? "Proxy-" : "",
base64);
DEBUG_OUT(fprintf(stderr, "**** Header %s\n ", *allocuserpwd));
free(base64);
}
break;
case NTLMSTATE_TYPE2:
/* We already received the type-2 message, create a type-3 message */
error = Curl_ntlm_create_type3_message(conn->data, userp, passwdp,
ntlm, &base64);
if(error)
return error;
if(base64) {
Curl_safefree(*allocuserpwd);
*allocuserpwd = aprintf("%sAuthorization: NTLM %s\r\n",
proxy ? "Proxy-" : "",
base64);
DEBUG_OUT(fprintf(stderr, "**** %s\n ", *allocuserpwd));
free(base64);
ntlm->state = NTLMSTATE_TYPE3; /* we send 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_http_ntlm_cleanup(struct connectdata *conn)
{
#ifdef USE_WINDOWS_SSPI
Curl_ntlm_sspi_cleanup(&conn->ntlm);
Curl_ntlm_sspi_cleanup(&conn->proxyntlm);
#elif defined(NTLM_WB_ENABLED)
Curl_ntlm_wb_cleanup(conn);
#else
(void)conn;
#endif
}
#endif /* USE_NTLM */

42
lib/http_ntlm.h
View File

@ -1,42 +0,0 @@
#ifndef HEADER_CURL_HTTP_NTLM_H
#define HEADER_CURL_HTTP_NTLM_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, 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.
*
***************************************************************************/
#ifdef USE_NTLM
/* this is for ntlm header input */
CURLcode Curl_input_ntlm(struct connectdata *conn, bool proxy,
const char *header);
/* this is for creating ntlm header output */
CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy);
void Curl_http_ntlm_cleanup(struct connectdata *conn);
#else
#define Curl_http_ntlm_cleanup(a)
#endif
#endif /* HEADER_CURL_HTTP_NTLM_H */

2
lib/transfer.c
View File

@ -78,7 +78,7 @@
#include "getinfo.h"
#include "sslgen.h"
#include "http_digest.h"
#include "http_ntlm.h"
#include "curl_ntlm.h"
#include "http_negotiate.h"
#include "share.h"
#include "curl_memory.h"

2
lib/url.c
View File

@ -119,7 +119,7 @@ int curl_win32_idn_to_ascii(const char *in, char **out);
#include "url.h"
#include "connect.h"
#include "inet_ntop.h"
#include "http_ntlm.h"
#include "curl_ntlm.h"
#include "socks.h"
#include "curl_rtmp.h"
#include "gopher.h"

2
packages/Symbian/group/libcurl.mmp
View File

@ -28,7 +28,7 @@ SOURCE \
curl_fnmatch.c fileinfo.c ftplistparser.c wildcard.c krb5.c \
memdebug.c http_chunks.c strtok.c connect.c llist.c hash.c multi.c \
content_encoding.c share.c http_digest.c md4.c md5.c curl_rand.c \
http_negotiate.c http_ntlm.c inet_pton.c strtoofft.c strerror.c \
http_negotiate.c curl_ntlm_msgs.c inet_pton.c strtoofft.c strerror.c \
hostasyn.c hostip4.c hostip6.c hostsyn.c inet_ntop.c parsedate.c \
select.c gtls.c sslgen.c tftp.c splay.c strdup.c socks.c ssh.c nss.c \
qssl.c rawstr.c curl_addrinfo.c socks_gssapi.c socks_sspi.c \