diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile.inc | 5 | ||||
| -rw-r--r-- | lib/Makefile.vc6 | 1 | ||||
| -rw-r--r-- | lib/curl_ntlm.c | 352 | ||||
| -rw-r--r-- | lib/curl_ntlm_core.c | 412 | ||||
| -rw-r--r-- | lib/curl_ntlm_core.h | 43 | ||||
| -rw-r--r-- | lib/curl_ntlm_wb.c | 8 |
6 files changed, 483 insertions, 338 deletions
diff --git a/lib/Makefile.inc b/lib/Makefile.inc index a724f605b..3778fbcf0 100644 --- a/lib/Makefile.inc +++ b/lib/Makefile.inc @@ -22,7 +22,8 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \ pingpong.c rtsp.c curl_threads.c warnless.c hmac.c polarssl.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 + asyn-ares.c asyn-thread.c curl_gssapi.c curl_ntlm.c curl_ntlm_wb.c \ + curl_ntlm_core.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 \ @@ -38,4 +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_gssapi.h curl_ntlm_wb.h curl_ntlm_core.h diff --git a/lib/Makefile.vc6 b/lib/Makefile.vc6 index cbf4b8a03..d3b11d993 100644 --- a/lib/Makefile.vc6 +++ b/lib/Makefile.vc6 @@ -507,6 +507,7 @@ X_OBJS= \ $(DIROBJ)\curl_gethostname.obj \
$(DIROBJ)\curl_memrchr.obj \
$(DIROBJ)\curl_ntlm.obj \
+ $(DIROBJ)\curl_ntlm_core.obj \
$(DIROBJ)\curl_ntlm_wb.obj \
$(DIROBJ)\curl_rand.obj \
$(DIROBJ)\curl_rtmp.obj \
diff --git a/lib/curl_ntlm.c b/lib/curl_ntlm.c index d4f2cc20b..4398d146c 100644 --- a/lib/curl_ntlm.c +++ b/lib/curl_ntlm.c @@ -35,12 +35,6 @@ #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> @@ -49,7 +43,7 @@ #define BUILDING_CURL_NTLM_C #include "urldata.h" -#include "non-ascii.h" /* for Curl_convert_... prototypes */ +#include "non-ascii.h" #include "sendf.h" #include "select.h" #include "rawstr.h" @@ -87,22 +81,6 @@ #error "OPENSSL_VERSION_NUMBER not defined" #endif -#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 - #ifdef OPENSSL_NO_MD4 /* This requires MD4, but OpenSSL was compiled without it */ #define USE_NTRESPONSES 0 @@ -134,15 +112,6 @@ # error "Can't compile NTLM support without a crypto library." #endif -/* 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" - #ifndef USE_NTRESPONSES /* Define this to make the type-3 message include the NT response message */ #define USE_NTRESPONSES 1 @@ -152,6 +121,17 @@ #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) @@ -229,6 +209,7 @@ static void ntlm_print_flags(FILE *handle, unsigned long flags) 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++); @@ -360,293 +341,6 @@ CURLcode Curl_ntlm_decode_type2_message(struct SessionHandle *data, return CURLE_OK; } -#ifndef USE_WINDOWS_SSPI - -#ifdef USE_SSLEAY -/* - * 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(const unsigned char *key_56, - DES_key_schedule DESKEYARG(ks)) -{ - DES_cblock key; - - key[0] = key_56[0]; - key[1] = (unsigned char)(((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1)); - key[2] = (unsigned char)(((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2)); - key[3] = (unsigned char)(((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3)); - key[4] = (unsigned char)(((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4)); - key[5] = (unsigned char)(((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5)); - key[6] = (unsigned char)(((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6)); - key[7] = (unsigned char) ((key_56[6] << 1) & 0xFF); - - DES_set_odd_parity(&key); - DES_set_key(&key, ks); -} - -#else /* defined(USE_SSLEAY) */ - -/* - * Turns a 56 bit key into the 64 bit, odd parity key. Used by GnuTLS and NSS. - */ -static void extend_key_56_to_64(const unsigned char *key_56, char *key) -{ - key[0] = key_56[0]; - key[1] = (unsigned char)(((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1)); - key[2] = (unsigned char)(((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2)); - key[3] = (unsigned char)(((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3)); - key[4] = (unsigned char)(((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4)); - key[5] = (unsigned char)(((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5)); - key[6] = (unsigned char)(((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6)); - key[7] = (unsigned char) ((key_56[6] << 1) & 0xFF); -} - -#if defined(USE_GNUTLS) - -/* - * Turns a 56 bit key into the 64 bit, odd parity key and sets the key. - */ -static void setup_des_key(const unsigned char *key_56, - gcry_cipher_hd_t *des) -{ - char key[8]; - extend_key_56_to_64(key_56, key); - gcry_cipher_setkey(*des, key, 8); -} - -#elif defined(USE_NSS) - -/* - * Expands a 56 bit key KEY_56 to 64 bit and encrypts 64 bit of data, using - * the expanded key. The caller is responsible for giving 64 bit of valid - * data is IN and (at least) 64 bit large buffer as OUT. - */ -static bool encrypt_des(const unsigned char *in, unsigned char *out, - const unsigned char *key_56) -{ - const CK_MECHANISM_TYPE mech = CKM_DES_ECB; /* DES cipher in ECB mode */ - PK11SlotInfo *slot = NULL; - char key[8]; /* expanded 64 bit key */ - SECItem key_item; - PK11SymKey *symkey = NULL; - SECItem *param = NULL; - PK11Context *ctx = NULL; - int out_len; /* not used, required by NSS */ - bool rv = FALSE; - - /* use internal slot for DES encryption (requires NSS to be initialized) */ - slot = PK11_GetInternalKeySlot(); - if(!slot) - return FALSE; - - /* expand the 56 bit key to 64 bit and wrap by NSS */ - extend_key_56_to_64(key_56, key); - key_item.data = (unsigned char *)key; - key_item.len = /* hard-wired */ 8; - symkey = PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, CKA_ENCRYPT, - &key_item, NULL); - if(!symkey) - goto fail; - - /* create DES encryption context */ - param = PK11_ParamFromIV(mech, /* no IV in ECB mode */ NULL); - if(!param) - goto fail; - ctx = PK11_CreateContextBySymKey(mech, CKA_ENCRYPT, symkey, param); - if(!ctx) - goto fail; - - /* perform the encryption */ - if(SECSuccess == PK11_CipherOp(ctx, out, &out_len, /* outbuflen */ 8, - (unsigned char *)in, /* inbuflen */ 8) - && SECSuccess == PK11_Finalize(ctx)) - rv = /* all OK */ TRUE; - -fail: - /* cleanup */ - if(ctx) - PK11_DestroyContext(ctx, PR_TRUE); - if(symkey) - PK11_FreeSymKey(symkey); - if(param) - SECITEM_FreeItem(param, PR_TRUE); - PK11_FreeSlot(slot); - return rv; -} - -#endif /* defined(USE_NSS) */ - -#endif /* defined(USE_SSLEAY) */ - - /* - * 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 lm_resp(const unsigned char *keys, - const unsigned char *plaintext, - unsigned char *results) -{ -#ifdef USE_SSLEAY - 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); -#elif defined(USE_GNUTLS) - gcry_cipher_hd_t des; - - gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); - setup_des_key(keys, &des); - gcry_cipher_encrypt(des, results, 8, plaintext, 8); - gcry_cipher_close(des); - - gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); - setup_des_key(keys + 7, &des); - gcry_cipher_encrypt(des, results + 8, 8, plaintext, 8); - gcry_cipher_close(des); - - gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); - setup_des_key(keys + 14, &des); - gcry_cipher_encrypt(des, results + 16, 8, plaintext, 8); - gcry_cipher_close(des); -#elif defined(USE_NSS) - encrypt_des(plaintext, results, keys); - encrypt_des(plaintext, results + 8, keys + 7); - encrypt_des(plaintext, results + 16, keys + 14); -#endif -} - -/* - * Set up lanmanager hashed password - */ -static void mk_lm_hash(struct SessionHandle *data, - const char *password, - unsigned char *lmbuffer /* 21 bytes */) -{ - CURLcode res; - unsigned char pw[14]; - static const unsigned char magic[] = { - 0x4B, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25 /* i.e. KGS!@#$% */ - }; - size_t len = CURLMIN(strlen(password), 14); - - Curl_strntoupper((char *)pw, password, len); - memset(&pw[len], 0, 14 - len); - - /* - * The LanManager hashed password needs to be created using the - * password in the network encoding not the host encoding. - */ - res = Curl_convert_to_network(data, (char *)pw, 14); - if(res) - return; - - { - /* Create LanManager hashed password. */ - -#ifdef USE_SSLEAY - 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); -#elif defined(USE_GNUTLS) - gcry_cipher_hd_t des; - - gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); - setup_des_key(pw, &des); - gcry_cipher_encrypt(des, lmbuffer, 8, magic, 8); - gcry_cipher_close(des); - - gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); - setup_des_key(pw + 7, &des); - gcry_cipher_encrypt(des, lmbuffer + 8, 8, magic, 8); - gcry_cipher_close(des); -#elif defined(USE_NSS) - encrypt_des(magic, lmbuffer, pw); - encrypt_des(magic, lmbuffer + 8, pw + 7); -#endif - - memset(lmbuffer + 16, 0, 21 - 16); - } -} - -#if USE_NTRESPONSES -static void ascii_to_unicode_le(unsigned char *dest, const char *src, - size_t srclen) -{ - size_t i; - for(i = 0; i < srclen; i++) { - dest[2 * i] = (unsigned char)src[i]; - dest[2 * i + 1] = '\0'; - } -} - -/* - * Set up nt hashed passwords - */ -static CURLcode mk_nt_hash(struct SessionHandle *data, - const char *password, - unsigned char *ntbuffer /* 21 bytes */) -{ - size_t len = strlen(password); - unsigned char *pw = malloc(len * 2); - CURLcode result; - if(!pw) - return CURLE_OUT_OF_MEMORY; - - ascii_to_unicode_le(pw, password, len); - - /* - * The NT hashed password needs to be created using the password in the - * network encoding not the host encoding. - */ - result = Curl_convert_to_network(data, (char *)pw, len * 2); - if(result) - return result; - - { - /* Create NT hashed password. */ -#ifdef USE_SSLEAY - MD4_CTX MD4pw; - MD4_Init(&MD4pw); - MD4_Update(&MD4pw, pw, 2 * len); - MD4_Final(ntbuffer, &MD4pw); -#elif defined(USE_GNUTLS) - gcry_md_hd_t MD4pw; - gcry_md_open(&MD4pw, GCRY_MD_MD4, 0); - gcry_md_write(MD4pw, pw, 2 * len); - memcpy (ntbuffer, gcry_md_read (MD4pw, 0), MD4_DIGEST_LENGTH); - gcry_md_close(MD4pw); -#elif defined(USE_NSS) - Curl_md4it(ntbuffer, pw, 2 * len); -#endif - - memset(ntbuffer + 16, 0, 21 - 16); - } - - free(pw); - - return CURLE_OK; -} -#endif - -#endif - #ifdef USE_WINDOWS_SSPI void Curl_ntlm_sspi_cleanup(struct ntlmdata *ntlm) { @@ -1096,11 +790,12 @@ CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data, PK11_DestroyContext(MD5pw, PR_TRUE); #endif - /* We shall only use the first 8 bytes of md5sum, - but the des code in lm_resp only encrypt the first 8 bytes */ - if(mk_nt_hash(data, passwdp, ntbuffer) == CURLE_OUT_OF_MEMORY) + /* 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; - lm_resp(ntbuffer, md5sum, ntresp); + Curl_ntlm_core_lm_resp(ntbuffer, md5sum, ntresp); /* End of NTLM2 Session code */ } @@ -1114,15 +809,16 @@ CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data, unsigned char lmbuffer[0x18]; #if USE_NTRESPONSES - if(mk_nt_hash(data, passwdp, ntbuffer) == CURLE_OUT_OF_MEMORY) + if(CURLE_OUT_OF_MEMORY == + Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer)) return CURLE_OUT_OF_MEMORY; - lm_resp(ntbuffer, &ntlm->nonce[0], ntresp); + Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp); #endif - mk_lm_hash(data, passwdp, lmbuffer); - lm_resp(lmbuffer, &ntlm->nonce[0], lmresp); + 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: - * lm_resp(ntbuffer, &ntlm->nonce[0], lmresp); + * Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp); * See http://davenport.sourceforge.net/ntlm.html#ntlmVersion2 */ } diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c new file mode 100644 index 000000000..b8cc4c691 --- /dev/null +++ b/lib/curl_ntlm_core.c @@ -0,0 +1,412 @@ +/*************************************************************************** + * _ _ ____ _ + * 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 + +#include "non-ascii.h" +#include "rawstr.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 + +#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 + +#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" + +#ifndef USE_WINDOWS_SSPI + +#ifdef USE_SSLEAY +/* + * 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(const unsigned char *key_56, + DES_key_schedule DESKEYARG(ks)) +{ + DES_cblock key; + + key[0] = key_56[0]; + key[1] = (unsigned char)(((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1)); + key[2] = (unsigned char)(((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2)); + key[3] = (unsigned char)(((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3)); + key[4] = (unsigned char)(((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4)); + key[5] = (unsigned char)(((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5)); + key[6] = (unsigned char)(((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6)); + key[7] = (unsigned char) ((key_56[6] << 1) & 0xFF); + + DES_set_odd_parity(&key); + DES_set_key(&key, ks); +} + +#else /* defined(USE_SSLEAY) */ + +/* + * Turns a 56 bit key into the 64 bit, odd parity key. Used by GnuTLS and NSS. + */ +static void extend_key_56_to_64(const unsigned char *key_56, char *key) +{ + key[0] = key_56[0]; + key[1] = (unsigned char)(((key_56[0] << 7) & 0xFF) | (key_56[1] >> 1)); + key[2] = (unsigned char)(((key_56[1] << 6) & 0xFF) | (key_56[2] >> 2)); + key[3] = (unsigned char)(((key_56[2] << 5) & 0xFF) | (key_56[3] >> 3)); + key[4] = (unsigned char)(((key_56[3] << 4) & 0xFF) | (key_56[4] >> 4)); + key[5] = (unsigned char)(((key_56[4] << 3) & 0xFF) | (key_56[5] >> 5)); + key[6] = (unsigned char)(((key_56[5] << 2) & 0xFF) | (key_56[6] >> 6)); + key[7] = (unsigned char) ((key_56[6] << 1) & 0xFF); +} + +#if defined(USE_GNUTLS) + +/* + * Turns a 56 bit key into the 64 bit, odd parity key and sets the key. + */ +static void setup_des_key(const unsigned char *key_56, + gcry_cipher_hd_t *des) +{ + char key[8]; + extend_key_56_to_64(key_56, key); + gcry_cipher_setkey(*des, key, 8); +} + +#elif defined(USE_NSS) + +/* + * Expands a 56 bit key KEY_56 to 64 bit and encrypts 64 bit of data, using + * the expanded key. The caller is responsible for giving 64 bit of valid + * data is IN and (at least) 64 bit large buffer as OUT. + */ +static bool encrypt_des(const unsigned char *in, unsigned char *out, + const unsigned char *key_56) +{ + const CK_MECHANISM_TYPE mech = CKM_DES_ECB; /* DES cipher in ECB mode */ + PK11SlotInfo *slot = NULL; + char key[8]; /* expanded 64 bit key */ + SECItem key_item; + PK11SymKey *symkey = NULL; + SECItem *param = NULL; + PK11Context *ctx = NULL; + int out_len; /* not used, required by NSS */ + bool rv = FALSE; + + /* use internal slot for DES encryption (requires NSS to be initialized) */ + slot = PK11_GetInternalKeySlot(); + if(!slot) + return FALSE; + + /* expand the 56 bit key to 64 bit and wrap by NSS */ + extend_key_56_to_64(key_56, key); + key_item.data = (unsigned char *)key; + key_item.len = /* hard-wired */ 8; + symkey = PK11_ImportSymKey(slot, mech, PK11_OriginUnwrap, CKA_ENCRYPT, + &key_item, NULL); + if(!symkey) + goto fail; + + /* create DES encryption context */ + param = PK11_ParamFromIV(mech, /* no IV in ECB mode */ NULL); + if(!param) + goto fail; + ctx = PK11_CreateContextBySymKey(mech, CKA_ENCRYPT, symkey, param); + if(!ctx) + goto fail; + + /* perform the encryption */ + if(SECSuccess == PK11_CipherOp(ctx, out, &out_len, /* outbuflen */ 8, + (unsigned char *)in, /* inbuflen */ 8) + && SECSuccess == PK11_Finalize(ctx)) + rv = /* all OK */ TRUE; + +fail: + /* cleanup */ + if(ctx) + PK11_DestroyContext(ctx, PR_TRUE); + if(symkey) + PK11_FreeSymKey(symkey); + if(param) + SECITEM_FreeItem(param, PR_TRUE); + PK11_FreeSlot(slot); + return rv; +} + +#endif /* defined(USE_NSS) */ + +#endif /* defined(USE_SSLEAY) */ + + /* + * 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. + */ +void Curl_ntlm_core_lm_resp(const unsigned char *keys, + const unsigned char *plaintext, + unsigned char *results) +{ +#ifdef USE_SSLEAY + 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); +#elif defined(USE_GNUTLS) + gcry_cipher_hd_t des; + + gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); + setup_des_key(keys, &des); + gcry_cipher_encrypt(des, results, 8, plaintext, 8); + gcry_cipher_close(des); + + gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); + setup_des_key(keys + 7, &des); + gcry_cipher_encrypt(des, results + 8, 8, plaintext, 8); + gcry_cipher_close(des); + + gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); + setup_des_key(keys + 14, &des); + gcry_cipher_encrypt(des, results + 16, 8, plaintext, 8); + gcry_cipher_close(des); +#elif defined(USE_NSS) + encrypt_des(plaintext, results, keys); + encrypt_des(plaintext, results + 8, keys + 7); + encrypt_des(plaintext, results + 16, keys + 14); +#endif +} + +/* + * Set up lanmanager hashed password + */ +void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data, + const char *password, + unsigned char *lmbuffer /* 21 bytes */) +{ + CURLcode res; + unsigned char pw[14]; + static const unsigned char magic[] = { + 0x4B, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25 /* i.e. KGS!@#$% */ + }; + size_t len = CURLMIN(strlen(password), 14); + + Curl_strntoupper((char *)pw, password, len); + memset(&pw[len], 0, 14 - len); + + /* + * The LanManager hashed password needs to be created using the + * password in the network encoding not the host encoding. + */ + res = Curl_convert_to_network(data, (char *)pw, 14); + if(res) + return; + + { + /* Create LanManager hashed password. */ + +#ifdef USE_SSLEAY + 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); +#elif defined(USE_GNUTLS) + gcry_cipher_hd_t des; + + gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); + setup_des_key(pw, &des); + gcry_cipher_encrypt(des, lmbuffer, 8, magic, 8); + gcry_cipher_close(des); + + gcry_cipher_open(&des, GCRY_CIPHER_DES, GCRY_CIPHER_MODE_ECB, 0); + setup_des_key(pw + 7, &des); + gcry_cipher_encrypt(des, lmbuffer + 8, 8, magic, 8); + gcry_cipher_close(des); +#elif defined(USE_NSS) + encrypt_des(magic, lmbuffer, pw); + encrypt_des(magic, lmbuffer + 8, pw + 7); +#endif + + memset(lmbuffer + 16, 0, 21 - 16); + } +} + +#if USE_NTRESPONSES +static void ascii_to_unicode_le(unsigned char *dest, const char *src, + size_t srclen) +{ + size_t i; + for(i = 0; i < srclen; i++) { + dest[2 * i] = (unsigned char)src[i]; + dest[2 * i + 1] = '\0'; + } +} + +/* + * Set up nt hashed passwords + */ +CURLcode Curl_ntlm_core_mk_nt_hash(struct SessionHandle *data, + const char *password, + unsigned char *ntbuffer /* 21 bytes */) +{ + size_t len = strlen(password); + unsigned char *pw = malloc(len * 2); + CURLcode result; + if(!pw) + return CURLE_OUT_OF_MEMORY; + + ascii_to_unicode_le(pw, password, len); + + /* + * The NT hashed password needs to be created using the password in the + * network encoding not the host encoding. + */ + result = Curl_convert_to_network(data, (char *)pw, len * 2); + if(result) + return result; + + { + /* Create NT hashed password. */ +#ifdef USE_SSLEAY + MD4_CTX MD4pw; + MD4_Init(&MD4pw); + MD4_Update(&MD4pw, pw, 2 * len); + MD4_Final(ntbuffer, &MD4pw); +#elif defined(USE_GNUTLS) + gcry_md_hd_t MD4pw; + gcry_md_open(&MD4pw, GCRY_MD_MD4, 0); + gcry_md_write(MD4pw, pw, 2 * len); + memcpy (ntbuffer, gcry_md_read (MD4pw, 0), MD4_DIGEST_LENGTH); + gcry_md_close(MD4pw); +#elif defined(USE_NSS) + Curl_md4it(ntbuffer, pw, 2 * len); +#endif + + memset(ntbuffer + 16, 0, 21 - 16); + } + + free(pw); + + return CURLE_OK; +} +#endif /* USE_NTRESPONSES */ + +#endif /* !USE_WINDOWS_SSPI */ + +#endif /* USE_NTLM */ diff --git a/lib/curl_ntlm_core.h b/lib/curl_ntlm_core.h new file mode 100644 index 000000000..ea855905f --- /dev/null +++ b/lib/curl_ntlm_core.h @@ -0,0 +1,43 @@ +#ifndef HEADER_CURL_NTLM_CORE_H +#define HEADER_CURL_NTLM_CORE_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 + +void Curl_ntlm_core_lm_resp(const unsigned char *keys, + const unsigned char *plaintext, + unsigned char *results); + +void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data, + const char *password, + unsigned char *lmbuffer /* 21 bytes */); + +#if !defined(USE_WINDOWS_SSPI) && (USE_NTRESPONSES != 0) +CURLcode Curl_ntlm_core_mk_nt_hash(struct SessionHandle *data, + const char *password, + unsigned char *ntbuffer /* 21 bytes */); +#endif + +#endif /* USE_NTLM */ + +#endif /* HEADER_CURL_NTLM_CORE_H */ diff --git a/lib/curl_ntlm_wb.c b/lib/curl_ntlm_wb.c index fc7e09a57..2b400e8a6 100644 --- a/lib/curl_ntlm_wb.c +++ b/lib/curl_ntlm_wb.c @@ -36,20 +36,12 @@ #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 "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 */ |