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authorStefan Metzmacher <metze@samba.org>2008-01-24 14:05:59 +0100
committerStefan Metzmacher <metze@samba.org>2008-02-13 13:30:15 +0100
commit9d27ded946daaa7d484f8b93921bac961ea2e071 (patch)
tree3755edbb32d34ff6be1cd78c6d6a57593bd4d198
parent3649f728ed3a449622c4e1dbc3ebf4c3536b72f7 (diff)
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libwbclient: add wbcAuthenticateUserEx() function
This function will be used by auth_winbind.c. metze (This used to be commit 72af96a320a97ce1a730d6e33d01950123d6a97c)
-rw-r--r--source3/nsswitch/libwbclient/wbc_pam.c300
-rw-r--r--source3/nsswitch/libwbclient/wbclient.c2
-rw-r--r--source3/nsswitch/libwbclient/wbclient.h159
3 files changed, 460 insertions, 1 deletions
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;
+}
diff --git a/source3/nsswitch/libwbclient/wbclient.c b/source3/nsswitch/libwbclient/wbclient.c
index 5aad378ad0..e17296283f 100644
--- a/source3/nsswitch/libwbclient/wbclient.c
+++ b/source3/nsswitch/libwbclient/wbclient.c
@@ -110,6 +110,8 @@ const char *wbcErrorString(wbcErr error)
return "WBC_INVALID_RESPONSE";
case WBC_ERR_NSS_ERROR:
return "WBC_ERR_NSS_ERROR";
+ case WBC_ERR_AUTH_ERROR:
+ return "WBC_ERR_AUTH_ERROR";
}
return "unknown wbcErr value";
diff --git a/source3/nsswitch/libwbclient/wbclient.h b/source3/nsswitch/libwbclient/wbclient.h
index ef9e3557da..c01db9618d 100644
--- a/source3/nsswitch/libwbclient/wbclient.h
+++ b/source3/nsswitch/libwbclient/wbclient.h
@@ -41,7 +41,8 @@ enum _wbcErrType {
WBC_ERR_WINBIND_NOT_AVAILABLE, /**< Winbind daemon is not available **/
WBC_ERR_DOMAIN_NOT_FOUND, /**< Domain is not trusted or cannot be found **/
WBC_INVALID_RESPONSE, /**< Winbind returned an invalid response **/
- WBC_ERR_NSS_ERROR /**< NSS_STATUS error **/
+ WBC_ERR_NSS_ERROR, /**< NSS_STATUS error **/
+ WBC_ERR_AUTH_ERROR /**< Authentication failed **/
};
typedef enum _wbcErrType wbcErr;
@@ -88,6 +89,25 @@ enum wbcSidType {
};
/**
+ * @brief Security Identifier with attributes
+ **/
+
+struct wbcSidWithAttr {
+ struct wbcDomainSid sid;
+ uint32_t attributes;
+};
+
+/* wbcSidWithAttr->attributes */
+
+#define WBC_SID_ATTR_GROUP_MANDATORY 0x00000001
+#define WBC_SID_ATTR_GROUP_ENABLED_BY_DEFAULT 0x00000002
+#define WBC_SID_ATTR_GROUP_ENABLED 0x00000004
+#define WBC_SID_ATTR_GROUP_OWNER 0x00000008
+#define WBC_SID_ATTR_GROUP_USEFOR_DENY_ONLY 0x00000010
+#define WBC_SID_ATTR_GROUP_RESOURCE 0x20000000
+#define WBC_SID_ATTR_GROUP_LOGON_ID 0xC0000000
+
+/**
* @brief Domain Information
**/
@@ -104,6 +124,140 @@ struct wbcDomainInfo {
#define WBC_DOMINFO_AD 0x00000002
#define WBC_DOMINFO_PRIMARY 0x00000004
+/**
+ * @brief Auth User Parameters
+ **/
+
+struct wbcAuthUserParams {
+ const char *account_name;
+ const char *domain_name;
+ const char *workstation_name;
+
+ uint32_t flags;
+
+ uint32_t parameter_control;
+
+ enum wbcAuthUserLevel {
+ WBC_AUTH_USER_LEVEL_PLAIN = 1,
+ WBC_AUTH_USER_LEVEL_HASH = 2,
+ WBC_AUTH_USER_LEVEL_RESPONSE = 3
+ } level;
+ union {
+ const char *plaintext;
+ struct {
+ uint8_t nt_hash[16];
+ uint8_t lm_hash[16];
+ } hash;
+ struct {
+ uint8_t challenge[8];
+ uint32_t nt_length;
+ uint8_t *nt_data;
+ uint32_t lm_length;
+ uint8_t *lm_data;
+ } response;
+ } password;
+};
+
+/* wbcAuthUserParams->parameter_control */
+
+#define WBC_MSV1_0_CLEARTEXT_PASSWORD_ALLOWED 0x00000002
+#define WBC_MSV1_0_UPDATE_LOGON_STATISTICS 0x00000004
+#define WBC_MSV1_0_RETURN_USER_PARAMETERS 0x00000008
+#define WBC_MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT 0x00000020
+#define WBC_MSV1_0_RETURN_PROFILE_PATH 0x00000200
+#define WBC_MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT 0x00000800
+
+/* wbcAuthUserParams->flags */
+
+#define WBC_AUTH_PARAM_FLAGS_INTERACTIVE_LOGON 0x00000001
+
+/**
+ * @brief Auth User Information
+ *
+ * Some of the strings are maybe NULL
+ **/
+
+struct wbcAuthUserInfo {
+ uint32_t user_flags;
+
+ char *account_name;
+ char *user_principal;
+ char *full_name;
+ char *domain_name;
+ char *dns_domain_name;
+
+ uint32_t acct_flags;
+ uint8_t user_session_key[16];
+ uint8_t lm_session_key[8];
+
+ uint16_t logon_count;
+ uint16_t bad_password_count;
+
+ uint64_t logon_time;
+ uint64_t logoff_time;
+ uint64_t kickoff_time;
+ uint64_t pass_last_set_time;
+ uint64_t pass_can_change_time;
+ uint64_t pass_must_change_time;
+
+ char *logon_server;
+ char *logon_script;
+ char *profile_path;
+ char *home_directory;
+ char *home_drive;
+
+ /*
+ * the 1st one is the account sid
+ * the 2nd one is the primary_group sid
+ * followed by the rest of the groups
+ */
+ uint32_t num_sids;
+ struct wbcSidWithAttr *sids;
+};
+
+/* wbcAuthUserInfo->user_flags */
+
+#define WBC_AUTH_USER_INFO_GUEST 0x00000001
+#define WBC_AUTH_USER_INFO_NOENCRYPTION 0x00000002
+#define WBC_AUTH_USER_INFO_CACHED_ACCOUNT 0x00000004
+#define WBC_AUTH_USER_INFO_USED_LM_PASSWORD 0x00000008
+#define WBC_AUTH_USER_INFO_EXTRA_SIDS 0x00000020
+#define WBC_AUTH_USER_INFO_SUBAUTH_SESSION_KEY 0x00000040
+#define WBC_AUTH_USER_INFO_SERVER_TRUST_ACCOUNT 0x00000080
+#define WBC_AUTH_USER_INFO_NTLMV2_ENABLED 0x00000100
+#define WBC_AUTH_USER_INFO_RESOURCE_GROUPS 0x00000200
+#define WBC_AUTH_USER_INFO_PROFILE_PATH_RETURNED 0x00000400
+#define WBC_AUTH_USER_INFO_GRACE_LOGON 0x01000000
+
+/* wbcAuthUserInfo->acct_flags */
+
+#define WBC_ACB_DISABLED 0x00000001 /* 1 User account disabled */
+#define WBC_ACB_HOMDIRREQ 0x00000002 /* 1 Home directory required */
+#define WBC_ACB_PWNOTREQ 0x00000004 /* 1 User password not required */
+#define WBC_ACB_TEMPDUP 0x00000008 /* 1 Temporary duplicate account */
+#define WBC_ACB_NORMAL 0x00000010 /* 1 Normal user account */
+#define WBC_ACB_MNS 0x00000020 /* 1 MNS logon user account */
+#define WBC_ACB_DOMTRUST 0x00000040 /* 1 Interdomain trust account */
+#define WBC_ACB_WSTRUST 0x00000080 /* 1 Workstation trust account */
+#define WBC_ACB_SVRTRUST 0x00000100 /* 1 Server trust account */
+#define WBC_ACB_PWNOEXP 0x00000200 /* 1 User password does not expire */
+#define WBC_ACB_AUTOLOCK 0x00000400 /* 1 Account auto locked */
+#define WBC_ACB_ENC_TXT_PWD_ALLOWED 0x00000800 /* 1 Encryped text password is allowed */
+#define WBC_ACB_SMARTCARD_REQUIRED 0x00001000 /* 1 Smart Card required */
+#define WBC_ACB_TRUSTED_FOR_DELEGATION 0x00002000 /* 1 Trusted for Delegation */
+#define WBC_ACB_NOT_DELEGATED 0x00004000 /* 1 Not delegated */
+#define WBC_ACB_USE_DES_KEY_ONLY 0x00008000 /* 1 Use DES key only */
+#define WBC_ACB_DONT_REQUIRE_PREAUTH 0x00010000 /* 1 Preauth not required */
+#define WBC_ACB_PW_EXPIRED 0x00020000 /* 1 Password Expired */
+#define WBC_ACB_NO_AUTH_DATA_REQD 0x00080000 /* 1 = No authorization data required */
+
+struct wbcAuthErrorInfo {
+ uint32_t nt_status;
+ char *nt_string;
+ int32_t pam_error;
+ char *display_string;
+};
+
/*
* Memory Management
*/
@@ -205,5 +359,8 @@ wbcErr wbcDomainSequenceNumbers(void);
wbcErr wbcAuthenticateUser(const char *username,
const char *password);
+wbcErr wbcAuthenticateUserEx(const struct wbcAuthUserParams *params,
+ struct wbcAuthUserInfo **info,
+ struct wbcAuthErrorInfo **error);
#endif /* _WBCLIENT_H */