/* TODO: if the remote server is standalone, then we should replace 'domain'
with the server name as supplied above */
- if (!SMBNTLMv2encrypt_hash(user,
+ if (!SMBNTLMv2encrypt_hash(gensec_ntlmssp_state,
+ user,
domain,
nt_hash->hash, &challenge_blob,
&struct_blob,
return response;
}
-static DATA_BLOB NTLMv2_generate_response(const uint8_t ntlm_v2_hash[16],
+static DATA_BLOB NTLMv2_generate_response(TALLOC_CTX *out_mem_ctx,
+ const uint8_t ntlm_v2_hash[16],
const DATA_BLOB *server_chal,
const DATA_BLOB *names_blob)
{
DATA_BLOB ntlmv2_client_data;
DATA_BLOB final_response;
- TALLOC_CTX *mem_ctx = talloc_init("NTLMv2_generate_response internal context");
+ TALLOC_CTX *mem_ctx = talloc_named(out_mem_ctx, 0,
+ "NTLMv2_generate_response internal context");
if (!mem_ctx) {
return data_blob(NULL, 0);
/* Given that data, and the challenge from the server, generate a response */
SMBOWFencrypt_ntv2(ntlm_v2_hash, server_chal, &ntlmv2_client_data, ntlmv2_response);
- final_response = data_blob(NULL, sizeof(ntlmv2_response) + ntlmv2_client_data.length);
+ final_response = data_blob(out_mem_ctx, sizeof(ntlmv2_response) + ntlmv2_client_data.length);
memcpy(final_response.data, ntlmv2_response, sizeof(ntlmv2_response));
return final_response;
}
-static DATA_BLOB LMv2_generate_response(const uint8_t ntlm_v2_hash[16],
+static DATA_BLOB LMv2_generate_response(TALLOC_CTX *mem_ctx,
+ const uint8_t ntlm_v2_hash[16],
const DATA_BLOB *server_chal)
{
uint8_t lmv2_response[16];
- DATA_BLOB lmv2_client_data = data_blob(NULL, 8);
- DATA_BLOB final_response = data_blob(NULL, 24);
+ DATA_BLOB lmv2_client_data = data_blob(mem_ctx, 8);
+ DATA_BLOB final_response = data_blob(mem_ctx, 24);
/* LMv2 */
/* client-supplied random data */
return final_response;
}
-BOOL SMBNTLMv2encrypt_hash(const char *user, const char *domain, const uint8_t nt_hash[16],
+BOOL SMBNTLMv2encrypt_hash(TALLOC_CTX *mem_ctx,
+ const char *user, const char *domain, const uint8_t nt_hash[16],
const DATA_BLOB *server_chal,
const DATA_BLOB *names_blob,
DATA_BLOB *lm_response, DATA_BLOB *nt_response,
}
if (nt_response) {
- *nt_response = NTLMv2_generate_response(ntlm_v2_hash, server_chal,
+ *nt_response = NTLMv2_generate_response(mem_ctx,
+ ntlm_v2_hash, server_chal,
names_blob);
if (user_session_key) {
- *user_session_key = data_blob(NULL, 16);
+ *user_session_key = data_blob(mem_ctx, 16);
/* The NTLMv2 calculations also provide a session key, for signing etc later */
/* use only the first 16 bytes of nt_response for session key */
/* LMv2 */
if (lm_response) {
- *lm_response = LMv2_generate_response(ntlm_v2_hash, server_chal);
+ *lm_response = LMv2_generate_response(mem_ctx,
+ ntlm_v2_hash, server_chal);
if (lm_session_key) {
- *lm_session_key = data_blob(NULL, 16);
+ *lm_session_key = data_blob(mem_ctx, 16);
/* The NTLMv2 calculations also provide a session key, for signing etc later */
/* use only the first 16 bytes of lm_response for session key */
return True;
}
-BOOL SMBNTLMv2encrypt(const char *user, const char *domain, const char *password,
+BOOL SMBNTLMv2encrypt(TALLOC_CTX *mem_ctx,
+ const char *user, const char *domain,
+ const char *password,
const DATA_BLOB *server_chal,
const DATA_BLOB *names_blob,
DATA_BLOB *lm_response, DATA_BLOB *nt_response,
uint8_t nt_hash[16];
E_md4hash(password, nt_hash);
- return SMBNTLMv2encrypt_hash(user, domain, nt_hash, server_chal, names_blob,
+ return SMBNTLMv2encrypt_hash(mem_ctx,
+ user, domain, nt_hash, server_chal, names_blob,
lm_response, nt_response, lm_session_key, user_session_key);
}
#include "libcli/raw/libcliraw.h"
#include "libcli/composite/composite.h"
#include "auth/auth.h"
-
+#include "version.h"
struct sesssetup_state {
union smb_sesssetup setup;
form an encrypted NT password from a plaintext password
and the server supplied challenge
*/
-static DATA_BLOB nt_blob(TALLOC_CTX *mem_ctx, const char *pass, DATA_BLOB challenge)
+static DATA_BLOB nt_blob(TALLOC_CTX *mem_ctx, const struct samr_Password *nt_hash, DATA_BLOB challenge)
{
DATA_BLOB blob = data_blob_talloc(mem_ctx, NULL, 24);
- SMBNTencrypt(pass, challenge.data, blob.data);
+ SMBOWFencrypt(nt_hash->hash, challenge.data, blob.data);
return blob;
}
session_key->length);
}
-/*
- setup signing for a NT1 style session setup
-*/
-static void use_nt1_session_keys(struct smbcli_session *session,
- const char *password, const DATA_BLOB *nt_response)
-{
- struct smbcli_transport *transport = session->transport;
- uint8_t nt_hash[16];
- DATA_BLOB session_key = data_blob_talloc(session, NULL, 16);
-
- E_md4hash(password, nt_hash);
- SMBsesskeygen_ntv1(nt_hash, session_key.data);
-
- smbcli_transport_simple_set_signing(transport, session_key, *nt_response);
-
- set_user_session_key(session, &session_key);
- data_blob_free(&session_key);
-}
-
-
/*
handler for completion of a smbcli_request sub-request
*/
struct smb_composite_sesssetup *io)
{
struct sesssetup_state *state = talloc_get_type(c->private, struct sesssetup_state);
+ const struct samr_Password *nt_hash = cli_credentials_get_nt_hash(io->in.credentials, state);
const char *password = cli_credentials_get_password(io->in.credentials);
state->setup.nt1.level = RAW_SESSSETUP_NT1;
state->setup.nt1.in.sesskey = io->in.sesskey;
state->setup.nt1.in.capabilities = io->in.capabilities;
state->setup.nt1.in.os = "Unix";
- state->setup.nt1.in.lanman = "Samba";
+ state->setup.nt1.in.lanman = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
state->setup.nt1.in.user = cli_credentials_get_username(io->in.credentials);
state->setup.nt1.in.domain = cli_credentials_get_domain(io->in.credentials);
state->setup.nt1.in.password2 = data_blob(NULL, 0);
} else if (session->transport->negotiate.sec_mode &
NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
- state->setup.nt1.in.password1 = lanman_blob(state, password,
- session->transport->negotiate.secblob);
- state->setup.nt1.in.password2 = nt_blob(state, password,
- session->transport->negotiate.secblob);
- use_nt1_session_keys(session, password, &state->setup.nt1.in.password2);
- } else {
+ DATA_BLOB session_key;
+ /* TODO: NTLMv2 in the client session setup */
+ if (lp_client_ntlmv2_auth()) {
+ DATA_BLOB names_blob = NTLMv2_generate_names_blob(state, lp_netbios_name(), lp_workgroup());
+ DATA_BLOB lmv2_response, ntlmv2_response, lmv2_session_key;
+
+ /* TODO - test with various domain cases, and without domain */
+ if (!SMBNTLMv2encrypt_hash(state,
+ state->setup.nt1.in.user, state->setup.nt1.in.domain,
+ nt_hash->hash, &session->transport->negotiate.secblob,
+ &names_blob,
+ &lmv2_response, &ntlmv2_response,
+ &lmv2_session_key, &session_key)) {
+ data_blob_free(&names_blob);
+ return NULL;
+ }
+ data_blob_free(&names_blob);
+ state->setup.nt1.in.password1 = lmv2_response;
+ state->setup.nt1.in.password2 = ntlmv2_response;
+
+ smbcli_transport_simple_set_signing(session->transport, session_key,
+ state->setup.nt1.in.password2);
+ set_user_session_key(session, &session_key);
+
+ data_blob_free(&lmv2_session_key);
+ data_blob_free(&session_key);
+ } else {
+
+ state->setup.nt1.in.password2 = nt_blob(state, nt_hash,
+ session->transport->negotiate.secblob);
+ if (lp_client_lanman_auth()) {
+ state->setup.nt1.in.password1 = lanman_blob(state, password,
+ session->transport->negotiate.secblob);
+ } else {
+ /* if not sending the LM password, send the NT password twice */
+ state->setup.nt1.in.password1 = state->setup.nt1.in.password2;
+ }
+
+ session_key = data_blob_talloc(session, NULL, 16);
+ SMBsesskeygen_ntv1(nt_hash->hash, session_key.data);
+ smbcli_transport_simple_set_signing(session->transport, session_key,
+ state->setup.nt1.in.password2);
+ set_user_session_key(session, &session_key);
+
+ data_blob_free(&session_key);
+ }
+
+ } else if (lp_client_plaintext_auth()) {
state->setup.nt1.in.password1 = data_blob_talloc(state, password, strlen(password));
state->setup.nt1.in.password2 = data_blob(NULL, 0);
+ } else {
+ /* could match windows client and return 'cannot logon from this workstation', but it just confuses everybody */
+ return NULL;
}
return smb_raw_session_setup_send(session, &state->setup);
state->setup.old.in.domain = cli_credentials_get_domain(io->in.credentials);
state->setup.old.in.user = cli_credentials_get_username(io->in.credentials);
state->setup.old.in.os = "Unix";
- state->setup.old.in.lanman = "Samba";
+ state->setup.old.in.lanman = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
if (!password) {
state->setup.old.in.password = data_blob(NULL, 0);
state->setup.spnego.in.sesskey = io->in.sesskey;
state->setup.spnego.in.capabilities = io->in.capabilities;
state->setup.spnego.in.os = "Unix";
- state->setup.spnego.in.lanman = "Samba";
+ state->setup.spnego.in.lanman = talloc_asprintf(state, "Samba %s", SAMBA_VERSION_STRING);
state->setup.spnego.in.workgroup = io->in.workgroup;
state->setup.spnego.out.vuid = session->vuid;
BOOL bNTSmbSupport;
BOOL bNTStatusSupport;
BOOL bAllowTrustedDomains;
+ BOOL bPlaintextAuth;
BOOL bLanmanAuth;
BOOL bNTLMAuth;
BOOL bUseSpnego;
int server_signing;
int client_signing;
+ BOOL bClientPlaintextAuth;
BOOL bClientLanManAuth;
BOOL bClientNTLMv2Auth;
BOOL bHostMSDfs;
{"password level", P_INTEGER, P_GLOBAL, &Globals.pwordlevel, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"username level", P_INTEGER, P_GLOBAL, &Globals.unamelevel, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"restrict anonymous", P_INTEGER, P_GLOBAL, &Globals.restrict_anonymous, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
+ {"plaintext auth", P_BOOL, P_GLOBAL, &Globals.bPlaintextAuth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"lanman auth", P_BOOL, P_GLOBAL, &Globals.bLanmanAuth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"ntlm auth", P_BOOL, P_GLOBAL, &Globals.bNTLMAuth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"client NTLMv2 auth", P_BOOL, P_GLOBAL, &Globals.bClientNTLMv2Auth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"client lanman auth", P_BOOL, P_GLOBAL, &Globals.bClientLanManAuth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
+ {"client plaintext auth", P_BOOL, P_GLOBAL, &Globals.bClientPlaintextAuth, NULL, NULL, FLAG_ADVANCED | FLAG_DEVELOPER},
{"username", P_STRING, P_LOCAL, &sDefault.szUsername, NULL, NULL, FLAG_GLOBAL | FLAG_SHARE},
{"user", P_STRING, P_LOCAL, &sDefault.szUsername, NULL, NULL, FLAG_HIDE},
FN_GLOBAL_BOOL(lp_nt_status_support, &Globals.bNTStatusSupport)
FN_GLOBAL_BOOL(lp_allow_trusted_domains, &Globals.bAllowTrustedDomains)
FN_GLOBAL_INTEGER(lp_restrict_anonymous, &Globals.restrict_anonymous)
+FN_GLOBAL_BOOL(lp_plaintext_auth, &Globals.bPlaintextAuth)
FN_GLOBAL_BOOL(lp_lanman_auth, &Globals.bLanmanAuth)
FN_GLOBAL_BOOL(lp_ntlm_auth, &Globals.bNTLMAuth)
+FN_GLOBAL_BOOL(lp_client_plaintext_auth, &Globals.bClientPlaintextAuth)
FN_GLOBAL_BOOL(lp_client_lanman_auth, &Globals.bClientLanManAuth)
FN_GLOBAL_BOOL(lp_client_ntlmv2_auth, &Globals.bClientNTLMv2Auth)
FN_GLOBAL_BOOL(lp_host_msdfs, &Globals.bHostMSDfs)
ZERO_STRUCT(user_session_key);
/* TODO - test with various domain cases, and without domain */
- if (!SMBNTLMv2encrypt(samlogon_state->account_name, samlogon_state->account_domain,
+ if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx,
+ samlogon_state->account_name, samlogon_state->account_domain,
samlogon_state->password, &samlogon_state->chall,
&names_blob,
&lmv2_response, &ntlmv2_response,
ZERO_STRUCT(user_session_key);
/* TODO - test with various domain cases, and without domain */
- if (!SMBNTLMv2encrypt(samlogon_state->account_name, samlogon_state->account_domain,
+ if (!SMBNTLMv2encrypt(samlogon_state->mem_ctx,
+ samlogon_state->account_name, samlogon_state->account_domain,
samlogon_state->password, &samlogon_state->chall,
&names_blob,
&lmv2_response, &ntlmv2_response,