r177: Split ntlm_auth --diagnostics into a seperate file, so as not to clutter
authorAndrew Bartlett <abartlet@samba.org>
Mon, 12 Apr 2004 14:19:48 +0000 (14:19 +0000)
committerGerald (Jerry) Carter <jerry@samba.org>
Wed, 10 Oct 2007 15:51:12 +0000 (10:51 -0500)
the main ntlm_auth program.

It quite possibly should belong in smbtorture, but relies on the
winbind client for now.

Andrew Bartlett
(This used to be commit 6e1b7a8848062a184ee293cf688135b851f2bd8d)

source3/Makefile.in
source3/utils/ntlm_auth.c
source3/utils/ntlm_auth.h [new file with mode: 0644]
source3/utils/ntlm_auth_diagnostics.c [new file with mode: 0644]

index 51b32b4431101424bd6c8aee4feb85861527ab47..de7ee10bb409f810a83b2e54468ce545e0af9992 100644 (file)
@@ -653,7 +653,8 @@ TDBBACKUP_OBJ = tdb/tdbbackup.o tdb/tdbback.o lib/snprintf.o $(TDBBASE_OBJ)
 
 TDBDUMP_OBJ = tdb/tdbdump.o $(TDBBASE_OBJ)
 
-NTLM_AUTH_OBJ = utils/ntlm_auth.o $(LIBSAMBA_OBJ) $(POPT_LIB_OBJ) \
+NTLM_AUTH_OBJ1 = utils/ntlm_auth.o utils/ntlm_auth_diagnostics.o 
+NTLM_AUTH_OBJ = ${NTLM_AUTH_OBJ1} $(LIBSAMBA_OBJ) $(POPT_LIB_OBJ) \
                libsmb/asn1.o libsmb/spnego.o libsmb/clikrb5.o libads/kerberos.o \
                libads/kerberos_verify.o $(SECRETS_OBJ) lib/server_mutex.o \
                libads/authdata.o rpc_parse/parse_prs.o rpc_parse/parse_misc.o \
@@ -1365,7 +1366,7 @@ clean: delheaders python_clean
 # afterwards.
 proto_exists: include/proto.h include/wrepld_proto.h include/build_env.h \
        nsswitch/winbindd_proto.h web/swat_proto.h \
-       client/client_proto.h utils/net_proto.h smbd/build_options.c
+       client/client_proto.h utils/net_proto.h utils/ntlm_auth_proto.h smbd/build_options.c
 
 delheaders:
        @echo Removing prototype headers
@@ -1413,6 +1414,11 @@ utils/net_proto.h:
          -h _NET_PROTO_H_ $(builddir)/utils/net_proto.h \
          $(NET_OBJ1)
 
+utils/ntlm_auth_proto.h: 
+       @cd $(srcdir) && $(SHELL) $(MKPROTO_SH) $(AWK) \
+         -h _NTLM_AUTH_PROTO_H_ $(builddir)/utils/ntlm_auth_proto.h \
+         $(NTLM_AUTH_OBJ1)
+
 # "make headers" or "make proto" calls a subshell because we need to
 # make sure these commands are executed in sequence even for a
 # parallel make.
index 45a919c584109adbaae84134102c40bbfcb4ae09..45e37dc37fffb653a2606cad337f2532aca56851 100644 (file)
@@ -23,6 +23,7 @@
 */
 
 #include "includes.h"
+#include "../utils/ntlm_auth.h"
 
 #undef DBGC_CLASS
 #define DBGC_CLASS DBGC_WINBIND
@@ -39,14 +40,6 @@ enum stdio_helper_mode {
        NUM_HELPER_MODES
 };
 
-enum ntlm_break {
-       BREAK_NONE,
-       BREAK_LM,
-       BREAK_NT,
-       NO_LM,
-       NO_NT
-};
-
 typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode, 
                                     char *buf, int length);
 
@@ -81,10 +74,10 @@ static const struct {
 
 extern int winbindd_fd;
 
-static const char *opt_username;
-static const char *opt_domain;
-static const char *opt_workstation;
-static const char *opt_password;
+const char *opt_username;
+const char *opt_domain;
+const char *opt_workstation;
+const char *opt_password;
 static DATA_BLOB opt_challenge;
 static DATA_BLOB opt_lm_response;
 static DATA_BLOB opt_nt_response;
@@ -124,7 +117,7 @@ static char winbind_separator(void)
        return sep;
 }
 
-static const char *get_winbind_domain(void)
+const char *get_winbind_domain(void)
 {
        struct winbindd_response response;
 
@@ -149,7 +142,7 @@ static const char *get_winbind_domain(void)
 
 }
 
-static const char *get_winbind_netbios_name(void)
+const char *get_winbind_netbios_name(void)
 {
        struct winbindd_response response;
 
@@ -175,6 +168,18 @@ static const char *get_winbind_netbios_name(void)
 
 }
 
+DATA_BLOB get_challenge(void) 
+{
+       static DATA_BLOB chal;
+       if (opt_challenge.length)
+               return opt_challenge;
+       
+       chal = data_blob(NULL, 8);
+
+       generate_random_buffer(chal.data, chal.length, False);
+       return chal;
+}
+
 /* Copy of parse_domain_user from winbindd_util.c.  Parse a string of the
    form DOMAIN/user into a domain and a user */
 
@@ -287,17 +292,17 @@ static BOOL check_plaintext_auth(const char *user, const char *pass,
 
 /* authenticate a user with an encrypted username/password */
 
-static NTSTATUS contact_winbind_auth_crap(const char *username, 
-                                         const char *domain, 
-                                         const char *workstation,
-                                         const DATA_BLOB *challenge, 
-                                         const DATA_BLOB *lm_response, 
-                                         const DATA_BLOB *nt_response, 
-                                         uint32 flags, 
-                                         uint8 lm_key[8], 
-                                         uint8 user_session_key[16], 
-                                         char **error_string, 
-                                         char **unix_name) 
+NTSTATUS contact_winbind_auth_crap(const char *username, 
+                                  const char *domain, 
+                                  const char *workstation,
+                                  const DATA_BLOB *challenge, 
+                                  const DATA_BLOB *lm_response, 
+                                  const DATA_BLOB *nt_response, 
+                                  uint32 flags, 
+                                  uint8 lm_key[8], 
+                                  uint8 user_session_key[16], 
+                                  char **error_string, 
+                                  char **unix_name) 
 {
        NTSTATUS nt_status;
         NSS_STATUS result;
@@ -1490,580 +1495,6 @@ static BOOL check_auth_crap(void)
         return True;
 }
 
-/* 
-   Authenticate a user with a challenge/response, checking session key
-   and valid authentication types
-*/
-
-static DATA_BLOB get_challenge(void) 
-{
-       static DATA_BLOB chal;
-       if (opt_challenge.length)
-               return opt_challenge;
-       
-       chal = data_blob(NULL, 8);
-
-       generate_random_buffer(chal.data, chal.length, False);
-       return chal;
-}
-
-/* 
- * Test the normal 'LM and NTLM' combination
- */
-
-static BOOL test_lm_ntlm_broken(enum ntlm_break break_which) 
-{
-       BOOL pass = True;
-       NTSTATUS nt_status;
-       uint32 flags = 0;
-       DATA_BLOB lm_response = data_blob(NULL, 24);
-       DATA_BLOB nt_response = data_blob(NULL, 24);
-       DATA_BLOB session_key = data_blob(NULL, 16);
-
-       uchar lm_key[8];
-       uchar user_session_key[16];
-       uchar lm_hash[16];
-       uchar nt_hash[16];
-       DATA_BLOB chall = get_challenge();
-       char *error_string;
-       
-       ZERO_STRUCT(lm_key);
-       ZERO_STRUCT(user_session_key);
-
-       flags |= WBFLAG_PAM_LMKEY;
-       flags |= WBFLAG_PAM_USER_SESSION_KEY;
-
-       SMBencrypt(opt_password,chall.data,lm_response.data);
-       E_deshash(opt_password, lm_hash); 
-
-       SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
-       E_md4hash(opt_password, nt_hash);
-       SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
-
-       switch (break_which) {
-       case BREAK_NONE:
-               break;
-       case BREAK_LM:
-               lm_response.data[0]++;
-               break;
-       case BREAK_NT:
-               nt_response.data[0]++;
-               break;
-       case NO_LM:
-               data_blob_free(&lm_response);
-               break;
-       case NO_NT:
-               data_blob_free(&nt_response);
-               break;
-       }
-
-       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-                                             opt_workstation,
-                                             &chall,
-                                             &lm_response,
-                                             &nt_response,
-                                             flags,
-                                             lm_key, 
-                                             user_session_key,
-                                             &error_string, NULL);
-       
-       data_blob_free(&lm_response);
-
-       if (!NT_STATUS_IS_OK(nt_status)) {
-               d_printf("%s (0x%x)\n", 
-                        error_string,
-                        NT_STATUS_V(nt_status));
-               SAFE_FREE(error_string);
-               return break_which == BREAK_NT;
-       }
-
-       if (memcmp(lm_hash, lm_key, 
-                  sizeof(lm_key)) != 0) {
-               DEBUG(1, ("LM Key does not match expectations!\n"));
-               DEBUG(1, ("lm_key:\n"));
-               dump_data(1, (const char *)lm_key, 8);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, (const char *)lm_hash, 8);
-               pass = False;
-       }
-
-       if (break_which == NO_NT) {
-               if (memcmp(lm_hash, user_session_key, 
-                          8) != 0) {
-                       DEBUG(1, ("NT Session Key does not match expectations (should be LM hash)!\n"));
-                       DEBUG(1, ("user_session_key:\n"));
-                       dump_data(1, (const char *)user_session_key, sizeof(user_session_key));
-                       DEBUG(1, ("expected:\n"));
-                       dump_data(1, (const char *)lm_hash, sizeof(lm_hash));
-                       pass = False;
-               }
-       } else {                
-               if (memcmp(session_key.data, user_session_key, 
-                          sizeof(user_session_key)) != 0) {
-                       DEBUG(1, ("NT Session Key does not match expectations!\n"));
-                       DEBUG(1, ("user_session_key:\n"));
-                       dump_data(1, (const char *)user_session_key, 16);
-                       DEBUG(1, ("expected:\n"));
-                       dump_data(1, (const char *)session_key.data, session_key.length);
-                       pass = False;
-               }
-       }
-        return pass;
-}
-
-/* 
- * Test LM authentication, no NT response supplied
- */
-
-static BOOL test_lm(void) 
-{
-
-       return test_lm_ntlm_broken(NO_NT);
-}
-
-/* 
- * Test the NTLM response only, no LM.
- */
-
-static BOOL test_ntlm(void) 
-{
-       return test_lm_ntlm_broken(NO_LM);
-}
-
-/* 
- * Test the NTLM response only, but in the LM field.
- */
-
-static BOOL test_ntlm_in_lm(void) 
-{
-       BOOL pass = True;
-       NTSTATUS nt_status;
-       uint32 flags = 0;
-       DATA_BLOB nt_response = data_blob(NULL, 24);
-
-       uchar lm_key[8];
-       uchar lm_hash[16];
-       uchar user_session_key[16];
-       DATA_BLOB chall = get_challenge();
-       char *error_string;
-       
-       ZERO_STRUCT(user_session_key);
-
-       flags |= WBFLAG_PAM_LMKEY;
-       flags |= WBFLAG_PAM_USER_SESSION_KEY;
-
-       SMBNTencrypt(opt_password,chall.data,nt_response.data);
-
-       E_deshash(opt_password, lm_hash); 
-
-       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-                                             opt_workstation,
-                                             &chall,
-                                             &nt_response,
-                                             NULL,
-                                             flags,
-                                             lm_key,
-                                             user_session_key,
-                                             &error_string, NULL);
-       
-       data_blob_free(&nt_response);
-
-       if (!NT_STATUS_IS_OK(nt_status)) {
-               d_printf("%s (0x%x)\n", 
-                        error_string,
-                        NT_STATUS_V(nt_status));
-               SAFE_FREE(error_string);
-               return False;
-       }
-
-       if (memcmp(lm_hash, lm_key, 
-                  sizeof(lm_key)) != 0) {
-               DEBUG(1, ("LM Key does not match expectations!\n"));
-               DEBUG(1, ("lm_key:\n"));
-               dump_data(1, (const char *)lm_key, 8);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, (const char *)lm_hash, 8);
-               pass = False;
-       }
-       if (memcmp(lm_hash, user_session_key, 8) != 0) {
-               DEBUG(1, ("Session Key (first 8 lm hash) does not match expectations!\n"));
-               DEBUG(1, ("user_session_key:\n"));
-               dump_data(1, (const char *)user_session_key, 16);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, (const char *)lm_hash, 8);
-               pass = False;
-       }
-        return pass;
-}
-
-/* 
- * Test the NTLM response only, but in the both the NT and LM fields.
- */
-
-static BOOL test_ntlm_in_both(void) 
-{
-       BOOL pass = True;
-       NTSTATUS nt_status;
-       uint32 flags = 0;
-       DATA_BLOB nt_response = data_blob(NULL, 24);
-       DATA_BLOB session_key = data_blob(NULL, 16);
-
-       char lm_key[8];
-       char lm_hash[16];
-       char user_session_key[16];
-       char nt_hash[16];
-       DATA_BLOB chall = get_challenge();
-       char *error_string;
-       
-       ZERO_STRUCT(lm_key);
-       ZERO_STRUCT(user_session_key);
-
-       flags |= WBFLAG_PAM_LMKEY;
-       flags |= WBFLAG_PAM_USER_SESSION_KEY;
-
-       SMBNTencrypt(opt_password,chall.data,nt_response.data);
-       E_md4hash(opt_password, (unsigned char *)nt_hash);
-       SMBsesskeygen_ntv1((const unsigned char *)nt_hash, NULL, session_key.data);
-
-       E_deshash(opt_password, (unsigned char *)lm_hash); 
-
-       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-                                             opt_workstation,
-                                             &chall,
-                                             &nt_response,
-                                             &nt_response,
-                                             flags,
-                                             (unsigned char *)lm_key,
-                                             (unsigned char *)user_session_key,
-                                             &error_string, NULL);
-       
-       data_blob_free(&nt_response);
-
-       if (!NT_STATUS_IS_OK(nt_status)) {
-               d_printf("%s (0x%x)\n", 
-                        error_string,
-                        NT_STATUS_V(nt_status));
-               SAFE_FREE(error_string);
-               return False;
-       }
-
-       if (memcmp(lm_hash, lm_key, 
-                  sizeof(lm_key)) != 0) {
-               DEBUG(1, ("LM Key does not match expectations!\n"));
-               DEBUG(1, ("lm_key:\n"));
-               dump_data(1, lm_key, 8);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, lm_hash, 8);
-               pass = False;
-       }
-       if (memcmp(session_key.data, user_session_key, 
-                  sizeof(user_session_key)) != 0) {
-               DEBUG(1, ("NT Session Key does not match expectations!\n"));
-               DEBUG(1, ("user_session_key:\n"));
-               dump_data(1, user_session_key, 16);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, (const char *)session_key.data, session_key.length);
-               pass = False;
-       }
-
-
-        return pass;
-}
-
-/* 
- * Test the NTLMv2 and LMv2 responses
- */
-
-static BOOL test_lmv2_ntlmv2_broken(enum ntlm_break break_which) 
-{
-       BOOL pass = True;
-       NTSTATUS nt_status;
-       uint32 flags = 0;
-       DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
-       DATA_BLOB lmv2_response = data_blob(NULL, 0);
-       DATA_BLOB ntlmv2_session_key = data_blob(NULL, 0);
-       DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
-
-       uchar user_session_key[16];
-       DATA_BLOB chall = get_challenge();
-       char *error_string;
-
-       ZERO_STRUCT(user_session_key);
-       
-       flags |= WBFLAG_PAM_USER_SESSION_KEY;
-
-       if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
-                             &names_blob,
-                             &lmv2_response, &ntlmv2_response, 
-                             &ntlmv2_session_key)) {
-               data_blob_free(&names_blob);
-               return False;
-       }
-       data_blob_free(&names_blob);
-
-       switch (break_which) {
-       case BREAK_NONE:
-               break;
-       case BREAK_LM:
-               lmv2_response.data[0]++;
-               break;
-       case BREAK_NT:
-               ntlmv2_response.data[0]++;
-               break;
-       case NO_LM:
-               data_blob_free(&lmv2_response);
-               break;
-       case NO_NT:
-               data_blob_free(&ntlmv2_response);
-               break;
-       }
-
-       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-                                             opt_workstation,
-                                             &chall,
-                                             &lmv2_response,
-                                             &ntlmv2_response,
-                                             flags,
-                                             NULL, 
-                                             user_session_key,
-                                             &error_string, NULL);
-       
-       data_blob_free(&lmv2_response);
-       data_blob_free(&ntlmv2_response);
-
-       if (!NT_STATUS_IS_OK(nt_status)) {
-               d_printf("%s (0x%x)\n", 
-                        error_string,
-                        NT_STATUS_V(nt_status));
-               SAFE_FREE(error_string);
-               return break_which == BREAK_NT;
-       }
-
-       if (break_which != NO_NT && break_which != BREAK_NT && memcmp(ntlmv2_session_key.data, user_session_key, 
-                  sizeof(user_session_key)) != 0) {
-               DEBUG(1, ("USER (NTLMv2) Session Key does not match expectations!\n"));
-               DEBUG(1, ("user_session_key:\n"));
-               dump_data(1, (const char *)user_session_key, 16);
-               DEBUG(1, ("expected:\n"));
-               dump_data(1, (const char *)ntlmv2_session_key.data, ntlmv2_session_key.length);
-               pass = False;
-       }
-        return pass;
-}
-
-/* 
- * Test the NTLMv2 and LMv2 responses
- */
-
-static BOOL test_lmv2_ntlmv2(void) 
-{
-       return test_lmv2_ntlmv2_broken(BREAK_NONE);
-}
-
-/* 
- * Test the LMv2 response only
- */
-
-static BOOL test_lmv2(void) 
-{
-       return test_lmv2_ntlmv2_broken(NO_NT);
-}
-
-/* 
- * Test the NTLMv2 response only
- */
-
-static BOOL test_ntlmv2(void) 
-{
-       return test_lmv2_ntlmv2_broken(NO_LM);
-}
-
-static BOOL test_lm_ntlm(void) 
-{
-       return test_lm_ntlm_broken(BREAK_NONE);
-}
-
-static BOOL test_ntlm_lm_broken(void) 
-{
-       return test_lm_ntlm_broken(BREAK_LM);
-}
-
-static BOOL test_ntlm_ntlm_broken(void) 
-{
-       return test_lm_ntlm_broken(BREAK_NT);
-}
-
-static BOOL test_ntlmv2_lmv2_broken(void) 
-{
-       return test_lmv2_ntlmv2_broken(BREAK_LM);
-}
-
-static BOOL test_ntlmv2_ntlmv2_broken(void) 
-{
-       return test_lmv2_ntlmv2_broken(BREAK_NT);
-}
-
-static BOOL test_plaintext(enum ntlm_break break_which)
-{
-       NTSTATUS nt_status;
-       uint32 flags = 0;
-       DATA_BLOB nt_response = data_blob(NULL, 0);
-       DATA_BLOB lm_response = data_blob(NULL, 0);
-       char *password;
-
-       uchar user_session_key[16];
-       uchar lm_key[16];
-       static const uchar zeros[8];
-       DATA_BLOB chall = data_blob(zeros, sizeof(zeros));
-       char *error_string;
-
-       ZERO_STRUCT(user_session_key);
-       
-       flags |= WBFLAG_PAM_LMKEY;
-       flags |= WBFLAG_PAM_USER_SESSION_KEY;
-
-       if ((push_ucs2_allocate((smb_ucs2_t **)&nt_response.data, opt_password)) == -1) {
-               DEBUG(0, ("push_ucs2_allocate failed!\n"));
-               exit(1);
-       }
-
-       nt_response.length = strlen_w(((void *)nt_response.data))*sizeof(smb_ucs2_t);
-
-       password = strdup_upper(opt_password);
-
-       if ((convert_string_allocate(NULL, CH_UNIX, 
-                                    CH_DOS, password,
-                                    strlen(password)+1, 
-                                    (void**)&lm_response.data,True)) == -1) {
-               DEBUG(0, ("push_ascii_allocate failed!\n"));
-               exit(1);
-       }
-
-       SAFE_FREE(password);
-
-       lm_response.length = strlen(lm_response.data);
-
-       switch (break_which) {
-       case BREAK_NONE:
-               break;
-       case BREAK_LM:
-               lm_response.data[0]++;
-               break;
-       case BREAK_NT:
-               nt_response.data[0]++;
-               break;
-       case NO_LM:
-               SAFE_FREE(lm_response.data);
-               lm_response.length = 0;
-               break;
-       case NO_NT:
-               SAFE_FREE(nt_response.data);
-               nt_response.length = 0;
-               break;
-       }
-
-       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
-                                             opt_workstation,
-                                             &chall,
-                                             &lm_response,
-                                             &nt_response,
-                                             flags,
-                                             lm_key,
-                                             user_session_key,
-                                             &error_string, NULL);
-       
-       SAFE_FREE(nt_response.data);
-       SAFE_FREE(lm_response.data);
-       data_blob_free(&chall);
-
-       if (!NT_STATUS_IS_OK(nt_status)) {
-               d_printf("%s (0x%x)\n", 
-                        error_string,
-                        NT_STATUS_V(nt_status));
-               SAFE_FREE(error_string);
-               return break_which == BREAK_NT;
-       }
-
-        return break_which != BREAK_NT;
-}
-
-static BOOL test_plaintext_none_broken(void) {
-       return test_plaintext(BREAK_NONE);
-}
-
-static BOOL test_plaintext_lm_broken(void) {
-       return test_plaintext(BREAK_LM);
-}
-
-static BOOL test_plaintext_nt_broken(void) {
-       return test_plaintext(BREAK_NT);
-}
-
-static BOOL test_plaintext_nt_only(void) {
-       return test_plaintext(NO_LM);
-}
-
-static BOOL test_plaintext_lm_only(void) {
-       return test_plaintext(NO_NT);
-}
-
-/* 
-   Tests:
-   
-   - LM only
-   - NT and LM            
-   - NT
-   - NT in LM field
-   - NT in both fields
-   - NTLMv2
-   - NTLMv2 and LMv2
-   - LMv2
-   - plaintext tests (in challenge-response feilds)
-  
-   check we get the correct session key in each case
-   check what values we get for the LM session key
-   
-*/
-
-static const struct ntlm_tests {
-       BOOL (*fn)(void);
-       const char *name;
-} test_table[] = {
-       {test_lm, "LM"},
-       {test_lm_ntlm, "LM and NTLM"},
-       {test_ntlm, "NTLM"},
-       {test_ntlm_in_lm, "NTLM in LM"},
-       {test_ntlm_in_both, "NTLM in both"},
-       {test_ntlmv2, "NTLMv2"},
-       {test_lmv2_ntlmv2, "NTLMv2 and LMv2"},
-       {test_lmv2, "LMv2"},
-       {test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken"},
-       {test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken"},
-       {test_ntlm_lm_broken, "NTLM and LM, LM broken"},
-       {test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"},
-       {test_plaintext_none_broken, "Plaintext"},
-       {test_plaintext_lm_broken, "Plaintext LM broken"},
-       {test_plaintext_nt_broken, "Plaintext NT broken"},
-       {test_plaintext_nt_only, "Plaintext NT only"},
-       {test_plaintext_lm_only, "Plaintext LM only"}
-};
-
-static BOOL diagnose_ntlm_auth(void)
-{
-       unsigned int i;
-       BOOL pass = True;
-
-       for (i=0; test_table[i].fn; i++) {
-               if (!test_table[i].fn()) {
-                       DEBUG(1, ("Test %s failed!\n", test_table[i].name));
-                       pass = False;
-               }
-       }
-
-        return pass;
-}
-
 /* Main program */
 
 enum {
diff --git a/source3/utils/ntlm_auth.h b/source3/utils/ntlm_auth.h
new file mode 100644 (file)
index 0000000..a96067f
--- /dev/null
@@ -0,0 +1,27 @@
+/* 
+   Samba Unix/Linux NTLM authentication tool
+   
+   Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "../utils/ntlm_auth_proto.h"
+/* Some of the popt variables are needed in the diagnostics code */
+extern const char *opt_username;
+extern const char *opt_domain;
+extern const char *opt_workstation;
+extern const char *opt_password;
+
diff --git a/source3/utils/ntlm_auth_diagnostics.c b/source3/utils/ntlm_auth_diagnostics.c
new file mode 100644 (file)
index 0000000..40c6275
--- /dev/null
@@ -0,0 +1,600 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Winbind status program.
+
+   Copyright (C) Tim Potter      2000-2003
+   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
+   Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000 
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "../utils/ntlm_auth.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+enum ntlm_break {
+       BREAK_NONE,
+       BREAK_LM,
+       BREAK_NT,
+       NO_LM,
+       NO_NT
+};
+
+/* 
+   Authenticate a user with a challenge/response, checking session key
+   and valid authentication types
+*/
+
+/* 
+ * Test the normal 'LM and NTLM' combination
+ */
+
+static BOOL test_lm_ntlm_broken(enum ntlm_break break_which) 
+{
+       BOOL pass = True;
+       NTSTATUS nt_status;
+       uint32 flags = 0;
+       DATA_BLOB lm_response = data_blob(NULL, 24);
+       DATA_BLOB nt_response = data_blob(NULL, 24);
+       DATA_BLOB session_key = data_blob(NULL, 16);
+
+       uchar lm_key[8];
+       uchar user_session_key[16];
+       uchar lm_hash[16];
+       uchar nt_hash[16];
+       DATA_BLOB chall = get_challenge();
+       char *error_string;
+       
+       ZERO_STRUCT(lm_key);
+       ZERO_STRUCT(user_session_key);
+
+       flags |= WBFLAG_PAM_LMKEY;
+       flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+       SMBencrypt(opt_password,chall.data,lm_response.data);
+       E_deshash(opt_password, lm_hash); 
+
+       SMBNTencrypt(opt_password,chall.data,nt_response.data);
+
+       E_md4hash(opt_password, nt_hash);
+       SMBsesskeygen_ntv1(nt_hash, NULL, session_key.data);
+
+       switch (break_which) {
+       case BREAK_NONE:
+               break;
+       case BREAK_LM:
+               lm_response.data[0]++;
+               break;
+       case BREAK_NT:
+               nt_response.data[0]++;
+               break;
+       case NO_LM:
+               data_blob_free(&lm_response);
+               break;
+       case NO_NT:
+               data_blob_free(&nt_response);
+               break;
+       }
+
+       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
+                                             opt_workstation,
+                                             &chall,
+                                             &lm_response,
+                                             &nt_response,
+                                             flags,
+                                             lm_key, 
+                                             user_session_key,
+                                             &error_string, NULL);
+       
+       data_blob_free(&lm_response);
+
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               d_printf("%s (0x%x)\n", 
+                        error_string,
+                        NT_STATUS_V(nt_status));
+               SAFE_FREE(error_string);
+               return break_which == BREAK_NT;
+       }
+
+       if (memcmp(lm_hash, lm_key, 
+                  sizeof(lm_key)) != 0) {
+               DEBUG(1, ("LM Key does not match expectations!\n"));
+               DEBUG(1, ("lm_key:\n"));
+               dump_data(1, (const char *)lm_key, 8);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, (const char *)lm_hash, 8);
+               pass = False;
+       }
+
+       if (break_which == NO_NT) {
+               if (memcmp(lm_hash, user_session_key, 
+                          8) != 0) {
+                       DEBUG(1, ("NT Session Key does not match expectations (should be LM hash)!\n"));
+                       DEBUG(1, ("user_session_key:\n"));
+                       dump_data(1, (const char *)user_session_key, sizeof(user_session_key));
+                       DEBUG(1, ("expected:\n"));
+                       dump_data(1, (const char *)lm_hash, sizeof(lm_hash));
+                       pass = False;
+               }
+       } else {                
+               if (memcmp(session_key.data, user_session_key, 
+                          sizeof(user_session_key)) != 0) {
+                       DEBUG(1, ("NT Session Key does not match expectations!\n"));
+                       DEBUG(1, ("user_session_key:\n"));
+                       dump_data(1, (const char *)user_session_key, 16);
+                       DEBUG(1, ("expected:\n"));
+                       dump_data(1, (const char *)session_key.data, session_key.length);
+                       pass = False;
+               }
+       }
+        return pass;
+}
+
+/* 
+ * Test LM authentication, no NT response supplied
+ */
+
+static BOOL test_lm(void) 
+{
+
+       return test_lm_ntlm_broken(NO_NT);
+}
+
+/* 
+ * Test the NTLM response only, no LM.
+ */
+
+static BOOL test_ntlm(void) 
+{
+       return test_lm_ntlm_broken(NO_LM);
+}
+
+/* 
+ * Test the NTLM response only, but in the LM field.
+ */
+
+static BOOL test_ntlm_in_lm(void) 
+{
+       BOOL pass = True;
+       NTSTATUS nt_status;
+       uint32 flags = 0;
+       DATA_BLOB nt_response = data_blob(NULL, 24);
+
+       uchar lm_key[8];
+       uchar lm_hash[16];
+       uchar user_session_key[16];
+       DATA_BLOB chall = get_challenge();
+       char *error_string;
+       
+       ZERO_STRUCT(user_session_key);
+
+       flags |= WBFLAG_PAM_LMKEY;
+       flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+       SMBNTencrypt(opt_password,chall.data,nt_response.data);
+
+       E_deshash(opt_password, lm_hash); 
+
+       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
+                                             opt_workstation,
+                                             &chall,
+                                             &nt_response,
+                                             NULL,
+                                             flags,
+                                             lm_key,
+                                             user_session_key,
+                                             &error_string, NULL);
+       
+       data_blob_free(&nt_response);
+
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               d_printf("%s (0x%x)\n", 
+                        error_string,
+                        NT_STATUS_V(nt_status));
+               SAFE_FREE(error_string);
+               return False;
+       }
+
+       if (memcmp(lm_hash, lm_key, 
+                  sizeof(lm_key)) != 0) {
+               DEBUG(1, ("LM Key does not match expectations!\n"));
+               DEBUG(1, ("lm_key:\n"));
+               dump_data(1, (const char *)lm_key, 8);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, (const char *)lm_hash, 8);
+               pass = False;
+       }
+       if (memcmp(lm_hash, user_session_key, 8) != 0) {
+               DEBUG(1, ("Session Key (first 8 lm hash) does not match expectations!\n"));
+               DEBUG(1, ("user_session_key:\n"));
+               dump_data(1, (const char *)user_session_key, 16);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, (const char *)lm_hash, 8);
+               pass = False;
+       }
+        return pass;
+}
+
+/* 
+ * Test the NTLM response only, but in the both the NT and LM fields.
+ */
+
+static BOOL test_ntlm_in_both(void) 
+{
+       BOOL pass = True;
+       NTSTATUS nt_status;
+       uint32 flags = 0;
+       DATA_BLOB nt_response = data_blob(NULL, 24);
+       DATA_BLOB session_key = data_blob(NULL, 16);
+
+       char lm_key[8];
+       char lm_hash[16];
+       char user_session_key[16];
+       char nt_hash[16];
+       DATA_BLOB chall = get_challenge();
+       char *error_string;
+       
+       ZERO_STRUCT(lm_key);
+       ZERO_STRUCT(user_session_key);
+
+       flags |= WBFLAG_PAM_LMKEY;
+       flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+       SMBNTencrypt(opt_password,chall.data,nt_response.data);
+       E_md4hash(opt_password, (unsigned char *)nt_hash);
+       SMBsesskeygen_ntv1((const unsigned char *)nt_hash, NULL, session_key.data);
+
+       E_deshash(opt_password, (unsigned char *)lm_hash); 
+
+       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
+                                             opt_workstation,
+                                             &chall,
+                                             &nt_response,
+                                             &nt_response,
+                                             flags,
+                                             (unsigned char *)lm_key,
+                                             (unsigned char *)user_session_key,
+                                             &error_string, NULL);
+       
+       data_blob_free(&nt_response);
+
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               d_printf("%s (0x%x)\n", 
+                        error_string,
+                        NT_STATUS_V(nt_status));
+               SAFE_FREE(error_string);
+               return False;
+       }
+
+       if (memcmp(lm_hash, lm_key, 
+                  sizeof(lm_key)) != 0) {
+               DEBUG(1, ("LM Key does not match expectations!\n"));
+               DEBUG(1, ("lm_key:\n"));
+               dump_data(1, lm_key, 8);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, lm_hash, 8);
+               pass = False;
+       }
+       if (memcmp(session_key.data, user_session_key, 
+                  sizeof(user_session_key)) != 0) {
+               DEBUG(1, ("NT Session Key does not match expectations!\n"));
+               DEBUG(1, ("user_session_key:\n"));
+               dump_data(1, user_session_key, 16);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, (const char *)session_key.data, session_key.length);
+               pass = False;
+       }
+
+
+        return pass;
+}
+
+/* 
+ * Test the NTLMv2 and LMv2 responses
+ */
+
+static BOOL test_lmv2_ntlmv2_broken(enum ntlm_break break_which) 
+{
+       BOOL pass = True;
+       NTSTATUS nt_status;
+       uint32 flags = 0;
+       DATA_BLOB ntlmv2_response = data_blob(NULL, 0);
+       DATA_BLOB lmv2_response = data_blob(NULL, 0);
+       DATA_BLOB ntlmv2_session_key = data_blob(NULL, 0);
+       DATA_BLOB names_blob = NTLMv2_generate_names_blob(get_winbind_netbios_name(), get_winbind_domain());
+
+       uchar user_session_key[16];
+       DATA_BLOB chall = get_challenge();
+       char *error_string;
+
+       ZERO_STRUCT(user_session_key);
+       
+       flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+       if (!SMBNTLMv2encrypt(opt_username, opt_domain, opt_password, &chall,
+                             &names_blob,
+                             &lmv2_response, &ntlmv2_response, 
+                             &ntlmv2_session_key)) {
+               data_blob_free(&names_blob);
+               return False;
+       }
+       data_blob_free(&names_blob);
+
+       switch (break_which) {
+       case BREAK_NONE:
+               break;
+       case BREAK_LM:
+               lmv2_response.data[0]++;
+               break;
+       case BREAK_NT:
+               ntlmv2_response.data[0]++;
+               break;
+       case NO_LM:
+               data_blob_free(&lmv2_response);
+               break;
+       case NO_NT:
+               data_blob_free(&ntlmv2_response);
+               break;
+       }
+
+       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
+                                             opt_workstation,
+                                             &chall,
+                                             &lmv2_response,
+                                             &ntlmv2_response,
+                                             flags,
+                                             NULL, 
+                                             user_session_key,
+                                             &error_string, NULL);
+       
+       data_blob_free(&lmv2_response);
+       data_blob_free(&ntlmv2_response);
+
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               d_printf("%s (0x%x)\n", 
+                        error_string,
+                        NT_STATUS_V(nt_status));
+               SAFE_FREE(error_string);
+               return break_which == BREAK_NT;
+       }
+
+       if (break_which != NO_NT && break_which != BREAK_NT && memcmp(ntlmv2_session_key.data, user_session_key, 
+                  sizeof(user_session_key)) != 0) {
+               DEBUG(1, ("USER (NTLMv2) Session Key does not match expectations!\n"));
+               DEBUG(1, ("user_session_key:\n"));
+               dump_data(1, (const char *)user_session_key, 16);
+               DEBUG(1, ("expected:\n"));
+               dump_data(1, (const char *)ntlmv2_session_key.data, ntlmv2_session_key.length);
+               pass = False;
+       }
+        return pass;
+}
+
+/* 
+ * Test the NTLMv2 and LMv2 responses
+ */
+
+static BOOL test_lmv2_ntlmv2(void) 
+{
+       return test_lmv2_ntlmv2_broken(BREAK_NONE);
+}
+
+/* 
+ * Test the LMv2 response only
+ */
+
+static BOOL test_lmv2(void) 
+{
+       return test_lmv2_ntlmv2_broken(NO_NT);
+}
+
+/* 
+ * Test the NTLMv2 response only
+ */
+
+static BOOL test_ntlmv2(void) 
+{
+       return test_lmv2_ntlmv2_broken(NO_LM);
+}
+
+static BOOL test_lm_ntlm(void) 
+{
+       return test_lm_ntlm_broken(BREAK_NONE);
+}
+
+static BOOL test_ntlm_lm_broken(void) 
+{
+       return test_lm_ntlm_broken(BREAK_LM);
+}
+
+static BOOL test_ntlm_ntlm_broken(void) 
+{
+       return test_lm_ntlm_broken(BREAK_NT);
+}
+
+static BOOL test_ntlmv2_lmv2_broken(void) 
+{
+       return test_lmv2_ntlmv2_broken(BREAK_LM);
+}
+
+static BOOL test_ntlmv2_ntlmv2_broken(void) 
+{
+       return test_lmv2_ntlmv2_broken(BREAK_NT);
+}
+
+static BOOL test_plaintext(enum ntlm_break break_which)
+{
+       NTSTATUS nt_status;
+       uint32 flags = 0;
+       DATA_BLOB nt_response = data_blob(NULL, 0);
+       DATA_BLOB lm_response = data_blob(NULL, 0);
+       char *password;
+
+       uchar user_session_key[16];
+       uchar lm_key[16];
+       static const uchar zeros[8];
+       DATA_BLOB chall = data_blob(zeros, sizeof(zeros));
+       char *error_string;
+
+       ZERO_STRUCT(user_session_key);
+       
+       flags |= WBFLAG_PAM_LMKEY;
+       flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+       if ((push_ucs2_allocate((smb_ucs2_t **)&nt_response.data, opt_password)) == -1) {
+               DEBUG(0, ("push_ucs2_allocate failed!\n"));
+               exit(1);
+       }
+
+       nt_response.length = strlen_w(((void *)nt_response.data))*sizeof(smb_ucs2_t);
+
+       password = strdup_upper(opt_password);
+
+       if ((convert_string_allocate(NULL, CH_UNIX, 
+                                    CH_DOS, password,
+                                    strlen(password)+1, 
+                                    (void**)&lm_response.data,True)) == -1) {
+               DEBUG(0, ("push_ascii_allocate failed!\n"));
+               exit(1);
+       }
+
+       SAFE_FREE(password);
+
+       lm_response.length = strlen(lm_response.data);
+
+       switch (break_which) {
+       case BREAK_NONE:
+               break;
+       case BREAK_LM:
+               lm_response.data[0]++;
+               break;
+       case BREAK_NT:
+               nt_response.data[0]++;
+               break;
+       case NO_LM:
+               SAFE_FREE(lm_response.data);
+               lm_response.length = 0;
+               break;
+       case NO_NT:
+               SAFE_FREE(nt_response.data);
+               nt_response.length = 0;
+               break;
+       }
+
+       nt_status = contact_winbind_auth_crap(opt_username, opt_domain, 
+                                             opt_workstation,
+                                             &chall,
+                                             &lm_response,
+                                             &nt_response,
+                                             flags,
+                                             lm_key,
+                                             user_session_key,
+                                             &error_string, NULL);
+       
+       SAFE_FREE(nt_response.data);
+       SAFE_FREE(lm_response.data);
+       data_blob_free(&chall);
+
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               d_printf("%s (0x%x)\n", 
+                        error_string,
+                        NT_STATUS_V(nt_status));
+               SAFE_FREE(error_string);
+               return break_which == BREAK_NT;
+       }
+
+        return break_which != BREAK_NT;
+}
+
+static BOOL test_plaintext_none_broken(void) {
+       return test_plaintext(BREAK_NONE);
+}
+
+static BOOL test_plaintext_lm_broken(void) {
+       return test_plaintext(BREAK_LM);
+}
+
+static BOOL test_plaintext_nt_broken(void) {
+       return test_plaintext(BREAK_NT);
+}
+
+static BOOL test_plaintext_nt_only(void) {
+       return test_plaintext(NO_LM);
+}
+
+static BOOL test_plaintext_lm_only(void) {
+       return test_plaintext(NO_NT);
+}
+
+/* 
+   Tests:
+   
+   - LM only
+   - NT and LM            
+   - NT
+   - NT in LM field
+   - NT in both fields
+   - NTLMv2
+   - NTLMv2 and LMv2
+   - LMv2
+   - plaintext tests (in challenge-response feilds)
+  
+   check we get the correct session key in each case
+   check what values we get for the LM session key
+   
+*/
+
+static const struct ntlm_tests {
+       BOOL (*fn)(void);
+       const char *name;
+} test_table[] = {
+       {test_lm, "LM"},
+       {test_lm_ntlm, "LM and NTLM"},
+       {test_ntlm, "NTLM"},
+       {test_ntlm_in_lm, "NTLM in LM"},
+       {test_ntlm_in_both, "NTLM in both"},
+       {test_ntlmv2, "NTLMv2"},
+       {test_lmv2_ntlmv2, "NTLMv2 and LMv2"},
+       {test_lmv2, "LMv2"},
+       {test_ntlmv2_lmv2_broken, "NTLMv2 and LMv2, LMv2 broken"},
+       {test_ntlmv2_ntlmv2_broken, "NTLMv2 and LMv2, NTLMv2 broken"},
+       {test_ntlm_lm_broken, "NTLM and LM, LM broken"},
+       {test_ntlm_ntlm_broken, "NTLM and LM, NTLM broken"},
+       {test_plaintext_none_broken, "Plaintext"},
+       {test_plaintext_lm_broken, "Plaintext LM broken"},
+       {test_plaintext_nt_broken, "Plaintext NT broken"},
+       {test_plaintext_nt_only, "Plaintext NT only"},
+       {test_plaintext_lm_only, "Plaintext LM only"}
+};
+
+BOOL diagnose_ntlm_auth(void)
+{
+       unsigned int i;
+       BOOL pass = True;
+
+       for (i=0; test_table[i].fn; i++) {
+               if (!test_table[i].fn()) {
+                       DEBUG(1, ("Test %s failed!\n", test_table[i].name));
+                       pass = False;
+               }
+       }
+
+        return pass;
+}
+