diff options
Diffstat (limited to 'source3/auth')
-rw-r--r-- | source3/auth/auth_domain.c | 10 | ||||
-rw-r--r-- | source3/auth/auth_ntlmssp.c | 7 | ||||
-rw-r--r-- | source3/auth/auth_util.c | 285 | ||||
-rw-r--r-- | source3/auth/auth_winbind.c | 113 |
4 files changed, 315 insertions, 100 deletions
diff --git a/source3/auth/auth_domain.c b/source3/auth/auth_domain.c index 40a2985600..df51966f4c 100644 --- a/source3/auth/auth_domain.c +++ b/source3/auth/auth_domain.c @@ -189,7 +189,7 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, struct sockaddr_storage *dc_ss) { - NET_USER_INFO_3 info3; + struct netr_SamInfo3 *info3 = NULL; struct cli_state *cli = NULL; struct rpc_pipe_client *netlogon_pipe = NULL; NTSTATUS nt_status = NT_STATUS_NO_LOGON_SERVERS; @@ -227,8 +227,6 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, saf_store( domain, cli->desthost ); - ZERO_STRUCT(info3); - /* * If this call succeeds, we now have lots of info about the user * in the info3 structure. @@ -267,7 +265,7 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, user_info->smb_name, domain, server_info, - &info3); + info3); if (NT_STATUS_IS_OK(nt_status)) { if (user_info->was_mapped) { @@ -281,12 +279,14 @@ static NTSTATUS domain_client_validate(TALLOC_CTX *mem_ctx, if ( !NT_STATUS_IS_OK(nt_status)) { DEBUG(1, ("PAM account restriction prevents user login\n")); cli_shutdown(cli); + TALLOC_FREE(info3); return nt_status; } } } - netsamlogon_cache_store( user_info->smb_name, &info3 ); + netsamlogon_cache_store(user_info->smb_name, info3); + TALLOC_FREE(info3); } /* Note - once the cli stream is shutdown the mem_ctx used diff --git a/source3/auth/auth_ntlmssp.c b/source3/auth/auth_ntlmssp.c index 526f2c93df..ed66d0db0a 100644 --- a/source3/auth/auth_ntlmssp.c +++ b/source3/auth/auth_ntlmssp.c @@ -186,8 +186,13 @@ NTSTATUS auth_ntlmssp_start(AUTH_NTLMSSP_STATE **auth_ntlmssp_state) void auth_ntlmssp_end(AUTH_NTLMSSP_STATE **auth_ntlmssp_state) { - TALLOC_CTX *mem_ctx = (*auth_ntlmssp_state)->mem_ctx; + TALLOC_CTX *mem_ctx; + + if (*auth_ntlmssp_state == NULL) { + return; + } + mem_ctx = (*auth_ntlmssp_state)->mem_ctx; if ((*auth_ntlmssp_state)->ntlmssp_state) { ntlmssp_end(&(*auth_ntlmssp_state)->ntlmssp_state); } diff --git a/source3/auth/auth_util.c b/source3/auth/auth_util.c index ce47e94eb5..a95a59ea46 100644 --- a/source3/auth/auth_util.c +++ b/source3/auth/auth_util.c @@ -1422,7 +1422,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, const char *sent_nt_username, const char *domain, auth_serversupplied_info **server_info, - NET_USER_INFO_3 *info3) + struct netr_SamInfo3 *info3) { char zeros[16]; @@ -1446,23 +1446,25 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, matches. */ - sid_copy(&user_sid, &info3->dom_sid.sid); - if (!sid_append_rid(&user_sid, info3->user_rid)) { + sid_copy(&user_sid, info3->base.domain_sid); + if (!sid_append_rid(&user_sid, info3->base.rid)) { return NT_STATUS_INVALID_PARAMETER; } - sid_copy(&group_sid, &info3->dom_sid.sid); - if (!sid_append_rid(&group_sid, info3->group_rid)) { + sid_copy(&group_sid, info3->base.domain_sid); + if (!sid_append_rid(&group_sid, info3->base.primary_gid)) { return NT_STATUS_INVALID_PARAMETER; } - if (!(nt_username = unistr2_to_ascii_talloc(mem_ctx, &(info3->uni_user_name)))) { + nt_username = talloc_strdup(mem_ctx, info3->base.account_name.string); + if (!nt_username) { /* If the server didn't give us one, just use the one we sent * them */ nt_username = sent_nt_username; } - if (!(nt_domain = unistr2_to_ascii_talloc(mem_ctx, &(info3->uni_logon_dom)))) { + nt_domain = talloc_strdup(mem_ctx, info3->base.domain.string); + if (!nt_domain) { /* If the server didn't give us one, just use the one we sent * them */ nt_domain = domain; @@ -1527,50 +1529,50 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, TALLOC_FREE(sam_account); return NT_STATUS_UNSUCCESSFUL; } - + if (!pdb_set_fullname(sam_account, - unistr2_static(&(info3->uni_full_name)), + info3->base.full_name.string, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } if (!pdb_set_logon_script(sam_account, - unistr2_static(&(info3->uni_logon_script)), + info3->base.logon_script.string, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } if (!pdb_set_profile_path(sam_account, - unistr2_static(&(info3->uni_profile_path)), + info3->base.profile_path.string, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } if (!pdb_set_homedir(sam_account, - unistr2_static(&(info3->uni_home_dir)), + info3->base.home_directory.string, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } if (!pdb_set_dir_drive(sam_account, - unistr2_static(&(info3->uni_dir_drive)), + info3->base.home_drive.string, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } - if (!pdb_set_acct_ctrl(sam_account, info3->acct_flags, PDB_CHANGED)) { + if (!pdb_set_acct_ctrl(sam_account, info3->base.acct_flags, PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; } if (!pdb_set_pass_last_set_time( sam_account, - nt_time_to_unix(info3->pass_last_set_time), + nt_time_to_unix(info3->base.last_password_change), PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; @@ -1578,7 +1580,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, if (!pdb_set_pass_can_change_time( sam_account, - nt_time_to_unix(info3->pass_can_change_time), + nt_time_to_unix(info3->base.allow_password_change), PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; @@ -1586,7 +1588,7 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, if (!pdb_set_pass_must_change_time( sam_account, - nt_time_to_unix(info3->pass_must_change_time), + nt_time_to_unix(info3->base.force_password_change), PDB_CHANGED)) { TALLOC_FREE(sam_account); return NT_STATUS_NO_MEMORY; @@ -1624,27 +1626,260 @@ NTSTATUS make_server_info_info3(TALLOC_CTX *mem_ctx, return nt_status; } - result->login_server = unistr2_to_ascii_talloc(result, - &(info3->uni_logon_srv)); + result->login_server = talloc_strdup(result, + info3->base.logon_server.string); + + /* ensure we are never given NULL session keys */ + + ZERO_STRUCT(zeros); + + if (memcmp(info3->base.key.key, zeros, sizeof(zeros)) == 0) { + result->user_session_key = data_blob_null; + } else { + result->user_session_key = data_blob_talloc( + result, info3->base.key.key, + sizeof(info3->base.key.key)); + } + + if (memcmp(info3->base.LMSessKey.key, zeros, 8) == 0) { + result->lm_session_key = data_blob_null; + } else { + result->lm_session_key = data_blob_talloc( + result, info3->base.LMSessKey.key, + sizeof(info3->base.LMSessKey.key)); + } + + result->was_mapped = username_was_mapped; + + *server_info = result; + + return NT_STATUS_OK; +} + +/***************************************************************************** + Make a server_info struct from the wbcAuthUserInfo returned by a domain logon +******************************************************************************/ + +NTSTATUS make_server_info_wbcAuthUserInfo(TALLOC_CTX *mem_ctx, + const char *sent_nt_username, + const char *domain, + const struct wbcAuthUserInfo *info, + auth_serversupplied_info **server_info) +{ + char zeros[16]; + + NTSTATUS nt_status = NT_STATUS_OK; + char *found_username = NULL; + const char *nt_domain; + const char *nt_username; + struct samu *sam_account = NULL; + DOM_SID user_sid; + DOM_SID group_sid; + bool username_was_mapped; + uint32_t i; + + uid_t uid = (uid_t)-1; + gid_t gid = (gid_t)-1; + + auth_serversupplied_info *result; + + result = make_server_info(NULL); + if (result == NULL) { + DEBUG(4, ("make_server_info failed!\n")); + return NT_STATUS_NO_MEMORY; + } + + /* + Here is where we should check the list of + trusted domains, and verify that the SID + matches. + */ + + memcpy(&user_sid, &info->sids[0].sid, sizeof(user_sid)); + memcpy(&group_sid, &info->sids[1].sid, sizeof(group_sid)); + + if (info->account_name) { + nt_username = talloc_strdup(result, info->account_name); + } else { + /* If the server didn't give us one, just use the one we sent + * them */ + nt_username = talloc_strdup(result, sent_nt_username); + } + if (!nt_username) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (info->domain_name) { + nt_domain = talloc_strdup(result, info->domain_name); + } else { + /* If the server didn't give us one, just use the one we sent + * them */ + nt_domain = talloc_strdup(result, domain); + } + if (!nt_domain) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + /* try to fill the SAM account.. If getpwnam() fails, then try the + add user script (2.2.x behavior). + + We use the _unmapped_ username here in an attempt to provide + consistent username mapping behavior between kerberos and NTLM[SSP] + authentication in domain mode security. I.E. Username mapping + should be applied to the fully qualified username + (e.g. DOMAIN\user) and not just the login name. Yes this means we + called map_username() unnecessarily in make_user_info_map() but + that is how the current code is designed. Making the change here + is the least disruptive place. -- jerry */ + + if ( !(sam_account = samu_new( result )) ) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + /* this call will try to create the user if necessary */ + + nt_status = fill_sam_account(result, nt_domain, sent_nt_username, + &found_username, &uid, &gid, sam_account, + &username_was_mapped); + + /* if we still don't have a valid unix account check for + 'map to guest = bad uid' */ + + if (!NT_STATUS_IS_OK(nt_status)) { + TALLOC_FREE( result ); + if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID ) { + make_server_info_guest(server_info); + return NT_STATUS_OK; + } + return nt_status; + } + + if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_UNSUCCESSFUL; + } + + if (!pdb_set_fullname(sam_account, info->full_name, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_logon_script(sam_account, info->logon_script, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_profile_path(sam_account, info->profile_path, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_homedir(sam_account, info->home_directory, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_dir_drive(sam_account, info->home_drive, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_acct_ctrl(sam_account, info->acct_flags, PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_pass_last_set_time( + sam_account, + nt_time_to_unix(info->pass_last_set_time), + PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_pass_can_change_time( + sam_account, + nt_time_to_unix(info->pass_can_change_time), + PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + if (!pdb_set_pass_must_change_time( + sam_account, + nt_time_to_unix(info->pass_must_change_time), + PDB_CHANGED)) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + /* save this here to _net_sam_logon() doesn't fail (it assumes a + valid struct samu) */ + + result->sam_account = sam_account; + result->unix_name = talloc_strdup(result, found_username); + + result->login_server = talloc_strdup(result, info->logon_server); + + /* Fill in the unix info we found on the way */ + + result->uid = uid; + result->gid = gid; + + /* Create a 'combined' list of all SIDs we might want in the SD */ + + result->num_sids = info->num_sids - 2; + result->sids = talloc_array(result, DOM_SID, result->num_sids); + if (result->sids == NULL) { + TALLOC_FREE(result); + return NT_STATUS_NO_MEMORY; + } + + for (i=0; i < result->num_sids; i++) { + memcpy(&result->sids[i], &info->sids[i+2].sid, sizeof(result->sids[i])); + } /* ensure we are never given NULL session keys */ ZERO_STRUCT(zeros); - if (memcmp(info3->user_sess_key, zeros, sizeof(zeros)) == 0) { + if (memcmp(info->user_session_key, zeros, sizeof(zeros)) == 0) { result->user_session_key = data_blob_null; } else { result->user_session_key = data_blob_talloc( - result, info3->user_sess_key, - sizeof(info3->user_sess_key)); + result, info->user_session_key, + sizeof(info->user_session_key)); } - if (memcmp(info3->lm_sess_key, zeros, 8) == 0) { + if (memcmp(info->lm_session_key, zeros, 8) == 0) { result->lm_session_key = data_blob_null; } else { result->lm_session_key = data_blob_talloc( - result, info3->lm_sess_key, - sizeof(info3->lm_sess_key)); + result, info->lm_session_key, + sizeof(info->lm_session_key)); } result->was_mapped = username_was_mapped; diff --git a/source3/auth/auth_winbind.c b/source3/auth/auth_winbind.c index b24aa3a75b..26a1b7f101 100644 --- a/source3/auth/auth_winbind.c +++ b/source3/auth/auth_winbind.c @@ -25,31 +25,6 @@ #undef DBGC_CLASS #define DBGC_CLASS DBGC_AUTH -static NTSTATUS get_info3_from_ndr(TALLOC_CTX *mem_ctx, struct winbindd_response *response, NET_USER_INFO_3 *info3) -{ - uint8 *info3_ndr; - size_t len = response->length - sizeof(struct winbindd_response); - prs_struct ps; - if (len > 0) { - info3_ndr = (uint8 *)response->extra_data.data; - if (!prs_init(&ps, len, mem_ctx, UNMARSHALL)) { - return NT_STATUS_NO_MEMORY; - } - prs_copy_data_in(&ps, (char *)info3_ndr, len); - prs_set_offset(&ps,0); - if (!net_io_user_info3("", info3, &ps, 1, 3, False)) { - DEBUG(2, ("get_info3_from_ndr: could not parse info3 struct!\n")); - return NT_STATUS_UNSUCCESSFUL; - } - prs_mem_free(&ps); - - return NT_STATUS_OK; - } else { - DEBUG(2, ("get_info3_from_ndr: No info3 struct found!\n")); - return NT_STATUS_UNSUCCESSFUL; - } -} - /* Authenticate a user with a challenge/response */ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, @@ -58,11 +33,11 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info) { - struct winbindd_request request; - struct winbindd_response response; - NSS_STATUS result; NTSTATUS nt_status; - NET_USER_INFO_3 info3; + wbcErr wbc_status; + struct wbcAuthUserParams params; + struct wbcAuthUserInfo *info = NULL; + struct wbcAuthErrorInfo *err = NULL; if (!user_info) { return NT_STATUS_INVALID_PARAMETER; @@ -82,36 +57,34 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, /* Send off request */ - ZERO_STRUCT(request); - ZERO_STRUCT(response); + params.account_name = user_info->smb_name; + params.domain_name = user_info->domain; + params.workstation_name = user_info->wksta_name; - request.flags = WBFLAG_PAM_INFO3_NDR; + params.flags = 0; + params.parameter_control= user_info->logon_parameters; - request.data.auth_crap.logon_parameters = user_info->logon_parameters; + params.level = WBC_AUTH_USER_LEVEL_RESPONSE; - fstrcpy(request.data.auth_crap.user, user_info->smb_name); - fstrcpy(request.data.auth_crap.domain, user_info->domain); - fstrcpy(request.data.auth_crap.workstation, user_info->wksta_name); + memcpy(params.password.response.challenge, + auth_context->challenge.data, + sizeof(params.password.response.challenge)); - memcpy(request.data.auth_crap.chal, auth_context->challenge.data, sizeof(request.data.auth_crap.chal)); - - request.data.auth_crap.lm_resp_len = MIN(user_info->lm_resp.length, - sizeof(request.data.auth_crap.lm_resp)); - request.data.auth_crap.nt_resp_len = MIN(user_info->nt_resp.length, - sizeof(request.data.auth_crap.nt_resp)); - - memcpy(request.data.auth_crap.lm_resp, user_info->lm_resp.data, - request.data.auth_crap.lm_resp_len); - memcpy(request.data.auth_crap.nt_resp, user_info->nt_resp.data, - request.data.auth_crap.nt_resp_len); + params.password.response.nt_length = user_info->nt_resp.length; + params.password.response.nt_data = user_info->nt_resp.data; + params.password.response.lm_length = user_info->lm_resp.length; + params.password.response.lm_data = user_info->lm_resp.data; /* we are contacting the privileged pipe */ become_root(); - result = winbindd_priv_request_response(WINBINDD_PAM_AUTH_CRAP, - &request, &response); + wbc_status = wbcAuthenticateUserEx(¶ms, &info, &err); unbecome_root(); - if ( result == NSS_STATUS_UNAVAIL ) { + if (wbc_status == WBC_ERR_NO_MEMORY) { + return NT_STATUS_NO_MEMORY; + } + + if (wbc_status == WBC_ERR_WINBIND_NOT_AVAILABLE) { struct auth_methods *auth_method = (struct auth_methods *)my_private_data; @@ -123,27 +96,29 @@ static NTSTATUS check_winbind_security(const struct auth_context *auth_context, DEBUG(0,("check_winbind_security: ERROR! my_private_data == NULL!\n")); } - nt_status = NT_STATUS(response.data.auth.nt_status); - - if (result == NSS_STATUS_SUCCESS && response.extra_data.data) { - if (NT_STATUS_IS_OK(nt_status)) { - if (NT_STATUS_IS_OK(nt_status = get_info3_from_ndr(mem_ctx, &response, &info3))) { - nt_status = make_server_info_info3(mem_ctx, - user_info->smb_name, user_info->domain, - server_info, &info3); - } - - if (NT_STATUS_IS_OK(nt_status)) { - if (user_info->was_mapped) { - (*server_info)->was_mapped = user_info->was_mapped; - } - } - } - } else if (NT_STATUS_IS_OK(nt_status)) { - nt_status = NT_STATUS_NO_LOGON_SERVERS; + if (wbc_status == WBC_ERR_AUTH_ERROR) { + nt_status = NT_STATUS(err->nt_status); + wbcFreeMemory(err); + return nt_status; + } + + if (!WBC_ERROR_IS_OK(wbc_status)) { + return NT_STATUS_LOGON_FAILURE; + } + + nt_status = make_server_info_wbcAuthUserInfo(mem_ctx, + user_info->smb_name, + user_info->domain, + info, server_info); + wbcFreeMemory(info); + if (!NT_STATUS_IS_OK(nt_status)) { + return nt_status; + } + + if (user_info->was_mapped) { + (*server_info)->was_mapped = user_info->was_mapped; } - SAFE_FREE(response.extra_data.data); return nt_status; } |