From 9d27ded946daaa7d484f8b93921bac961ea2e071 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Thu, 24 Jan 2008 14:05:59 +0100 Subject: libwbclient: add wbcAuthenticateUserEx() function This function will be used by auth_winbind.c. metze (This used to be commit 72af96a320a97ce1a730d6e33d01950123d6a97c) --- source3/nsswitch/libwbclient/wbc_pam.c | 300 +++++++++++++++++++++++++++++++++ 1 file changed, 300 insertions(+) (limited to 'source3/nsswitch/libwbclient/wbc_pam.c') diff --git a/source3/nsswitch/libwbclient/wbc_pam.c b/source3/nsswitch/libwbclient/wbc_pam.c index 7f7c7b8140..e7bcdfe20d 100644 --- a/source3/nsswitch/libwbclient/wbc_pam.c +++ b/source3/nsswitch/libwbclient/wbc_pam.c @@ -63,3 +63,303 @@ wbcErr wbcAuthenticateUser(const char *username, done: return wbc_status; } + +static wbcErr wbc_create_auth_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcAuthUserInfo **_i) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcAuthUserInfo *i; + struct wbcDomainSid domain_sid; + char *p; + uint32_t sn = 0; + uint32_t j; + + i = talloc(mem_ctx, struct wbcAuthUserInfo); + BAIL_ON_PTR_ERROR(i, wbc_status); + + i->user_flags = resp->data.auth.info3.user_flgs; + + i->account_name = talloc_strdup(i, resp->data.auth.info3.user_name); + BAIL_ON_PTR_ERROR(i->account_name, wbc_status); + i->user_principal= NULL; + i->full_name = talloc_strdup(i, resp->data.auth.info3.full_name); + BAIL_ON_PTR_ERROR(i->full_name, wbc_status); + i->domain_name = talloc_strdup(i, resp->data.auth.info3.logon_dom); + BAIL_ON_PTR_ERROR(i->domain_name, wbc_status); + i->dns_domain_name= NULL; + + i->acct_flags = resp->data.auth.info3.acct_flags; + memcpy(i->user_session_key, + resp->data.auth.user_session_key, + sizeof(i->user_session_key)); + memcpy(i->lm_session_key, + resp->data.auth.first_8_lm_hash, + sizeof(i->lm_session_key)); + + i->logon_count = resp->data.auth.info3.logon_count; + i->bad_password_count = resp->data.auth.info3.bad_pw_count; + + i->logon_time = resp->data.auth.info3.logon_time; + i->logoff_time = resp->data.auth.info3.logoff_time; + i->kickoff_time = resp->data.auth.info3.kickoff_time; + i->pass_last_set_time = resp->data.auth.info3.pass_last_set_time; + i->pass_can_change_time = resp->data.auth.info3.pass_can_change_time; + i->pass_must_change_time= resp->data.auth.info3.pass_must_change_time; + + i->logon_server = talloc_strdup(i, resp->data.auth.info3.logon_srv); + BAIL_ON_PTR_ERROR(i->logon_server, wbc_status); + i->logon_script = talloc_strdup(i, resp->data.auth.info3.logon_script); + BAIL_ON_PTR_ERROR(i->logon_script, wbc_status); + i->profile_path = talloc_strdup(i, resp->data.auth.info3.profile_path); + BAIL_ON_PTR_ERROR(i->profile_path, wbc_status); + i->home_directory= talloc_strdup(i, resp->data.auth.info3.home_dir); + BAIL_ON_PTR_ERROR(i->home_directory, wbc_status); + i->home_drive = talloc_strdup(i, resp->data.auth.info3.dir_drive); + BAIL_ON_PTR_ERROR(i->home_drive, wbc_status); + + i->num_sids = 2; + i->num_sids += resp->data.auth.info3.num_groups; + i->num_sids += resp->data.auth.info3.num_other_sids; + + i->sids = talloc_array(i, struct wbcSidWithAttr, i->num_sids); + BAIL_ON_PTR_ERROR(i->sids, wbc_status); + + wbc_status = wbcStringToSid(resp->data.auth.info3.dom_sid, + &domain_sid); + BAIL_ON_WBC_ERROR(wbc_status); + +#define _SID_COMPOSE(s, d, r, a) { \ + (s).sid = d; \ + if ((s).sid.num_auths < MAXSUBAUTHS) { \ + (s).sid.sub_auths[(s).sid.num_auths++] = r; \ + } else { \ + wbc_status = WBC_ERR_INVALID_SID; \ + BAIL_ON_WBC_ERROR(wbc_status); \ + } \ + (s).attributes = a; \ +} while (0) + + sn = 0; + _SID_COMPOSE(i->sids[sn], domain_sid, + resp->data.auth.info3.user_rid, + 0); + sn++; + _SID_COMPOSE(i->sids[sn], domain_sid, + resp->data.auth.info3.group_rid, + 0); + sn++; + + p = resp->extra_data.data; + if (!p) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + for (j=0; j < resp->data.auth.info3.num_groups; j++) { + uint32_t rid; + uint32_t attrs; + int ret; + char *s = p; + char *e = strchr(p, '\n'); + if (!e) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + p = &e[1]; + + ret = sscanf(s, "0x%08X:0x%08X", &rid, &attrs); + if (ret != 2) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + _SID_COMPOSE(i->sids[sn], domain_sid, + rid, attrs); + sn++; + } + + for (j=0; j < resp->data.auth.info3.num_other_sids; j++) { + uint32_t attrs; + int ret; + char *s = p; + char *a; + char *e = strchr(p, '\n'); + if (!e) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + p = &e[1]; + + e = strchr(s, ':'); + if (!e) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + e[0] = '\0'; + a = &e[1]; + + ret = sscanf(a, "0x%08X", + &attrs); + if (ret != 1) { + wbc_status = WBC_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = wbcStringToSid(s, &i->sids[sn].sid); + BAIL_ON_WBC_ERROR(wbc_status); + + i->sids[sn].attributes = attrs; + sn++; + } + + i->num_sids = sn; + + *_i = i; + i = NULL; +done: + talloc_free(i); + return wbc_status; +} + +static wbcErr wbc_create_error_info(TALLOC_CTX *mem_ctx, + const struct winbindd_response *resp, + struct wbcAuthErrorInfo **_e) +{ + wbcErr wbc_status = WBC_ERR_SUCCESS; + struct wbcAuthErrorInfo *e; + + e = talloc(mem_ctx, struct wbcAuthErrorInfo); + BAIL_ON_PTR_ERROR(e, wbc_status); + + e->nt_status = resp->data.auth.nt_status; + e->pam_error = resp->data.auth.pam_error; + e->nt_string = talloc_strdup(e, resp->data.auth.nt_status_string); + BAIL_ON_PTR_ERROR(e->nt_string, wbc_status); + + e->display_string = talloc_strdup(e, resp->data.auth.error_string); + BAIL_ON_PTR_ERROR(e->display_string, wbc_status); + + *_e = e; + e = NULL; + +done: + talloc_free(e); + return wbc_status; +} + +/** @brief Authenticate with more detailed information + * + * @param params Input parameters, only WBC_AUTH_USER_LEVEL_RESPONSE + * is supported yet + * @param info Output details on WBC_ERR_SUCCESS + * @param error Output details on WBC_ERR_AUTH_ERROR + * + * @return #wbcErr + **/ + +wbcErr wbcAuthenticateUserEx(const struct wbcAuthUserParams *params, + struct wbcAuthUserInfo **info, + struct wbcAuthErrorInfo **error) +{ + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + int cmd; + struct winbindd_request request; + struct winbindd_response response; + + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + if (error) { + *error = NULL; + } + + if (!params) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + /* Initialize request */ + + switch (params->level) { + case WBC_AUTH_USER_LEVEL_PLAIN: + wbc_status = WBC_ERR_NOT_IMPLEMENTED; + BAIL_ON_WBC_ERROR(wbc_status); + break; + + case WBC_AUTH_USER_LEVEL_HASH: + wbc_status = WBC_ERR_NOT_IMPLEMENTED; + BAIL_ON_WBC_ERROR(wbc_status); + break; + + case WBC_AUTH_USER_LEVEL_RESPONSE: + cmd = WINBINDD_PAM_AUTH_CRAP; + request.flags = WBFLAG_PAM_INFO3_TEXT | + WBFLAG_PAM_USER_SESSION_KEY | + WBFLAG_PAM_LMKEY; + + strncpy(request.data.auth_crap.user, + params->account_name, + sizeof(request.data.auth_crap.user)-1); + strncpy(request.data.auth_crap.domain, + params->domain_name, + sizeof(request.data.auth_crap.domain)-1); + if (params->workstation_name) { + strncpy(request.data.auth_crap.workstation, + params->workstation_name, + sizeof(request.data.auth_crap.workstation)-1); + } + + request.data.auth_crap.logon_parameters = + params->parameter_control; + + memcpy(request.data.auth_crap.chal, + params->password.response.challenge, + sizeof(request.data.auth_crap.chal)); + + request.data.auth_crap.lm_resp_len = + MIN(params->password.response.lm_length, + sizeof(request.data.auth_crap.lm_resp)); + request.data.auth_crap.nt_resp_len = + MIN(params->password.response.nt_length, + sizeof(request.data.auth_crap.nt_resp)); + memcpy(request.data.auth_crap.lm_resp, + params->password.response.lm_data, + request.data.auth_crap.lm_resp_len); + memcpy(request.data.auth_crap.nt_resp, + params->password.response.nt_data, + request.data.auth_crap.nt_resp_len); + + break; + } + + wbc_status = wbcRequestResponse(cmd, + &request, + &response); + if (response.data.auth.nt_status != 0) { + if (error) { + wbc_status = wbc_create_error_info(NULL, + &response, + error); + BAIL_ON_WBC_ERROR(wbc_status); + } + + wbc_status = WBC_ERR_AUTH_ERROR; + BAIL_ON_WBC_ERROR(wbc_status); + } + BAIL_ON_WBC_ERROR(wbc_status); + + if (info) { + wbc_status = wbc_create_auth_info(NULL, + &response, + info); + BAIL_ON_WBC_ERROR(wbc_status); + } + +done: + + return wbc_status; +} -- cgit