Add empty libwbclient-sssd

11 files changed, 2120 insertions, 1 deletions

diff --git a/nsswitch/libwbclient/ABI/wbclient-sssd-0.11.sigs b/nsswitch/libwbclient/ABI/wbclient-sssd-0.11.sigs
new file mode 100644
index 00000000000..eda96f467d1
--- /dev/null
+++ b/nsswitch/libwbclient/ABI/wbclient-sssd-0.11.sigs
@@ -0,0 +1,76 @@
+wbcAddNamedBlob: wbcErr (size_t *, struct wbcNamedBlob **, const char *, uint32_t, uint8_t *, size_t)
+wbcAllocateGid: wbcErr (gid_t *)
+wbcAllocateMemory: void *(size_t, size_t, void (*)(void *))
+wbcAllocateStringArray: const char **(int)
+wbcAllocateUid: wbcErr (uid_t *)
+wbcAuthenticateUser: wbcErr (const char *, const char *)
+wbcAuthenticateUserEx: wbcErr (const struct wbcAuthUserParams *, struct wbcAuthUserInfo **, struct wbcAuthErrorInfo **)
+wbcChangeTrustCredentials: wbcErr (const char *, struct wbcAuthErrorInfo **)
+wbcChangeUserPassword: wbcErr (const char *, const char *, const char *)
+wbcChangeUserPasswordEx: wbcErr (const struct wbcChangePasswordParams *, struct wbcAuthErrorInfo **, enum wbcPasswordChangeRejectReason *, struct wbcUserPasswordPolicyInfo **)
+wbcCheckTrustCredentials: wbcErr (const char *, struct wbcAuthErrorInfo **)
+wbcCredentialCache: wbcErr (struct wbcCredentialCacheParams *, struct wbcCredentialCacheInfo **, struct wbcAuthErrorInfo **)
+wbcCredentialSave: wbcErr (const char *, const char *)
+wbcDcInfo: wbcErr (const char *, size_t *, const char ***, const char ***)
+wbcDomainInfo: wbcErr (const char *, struct wbcDomainInfo **)
+wbcEndgrent: wbcErr (void)
+wbcEndpwent: wbcErr (void)
+wbcErrorString: const char *(wbcErr)
+wbcFreeMemory: void (void *)
+wbcGetDisplayName: wbcErr (const struct wbcDomainSid *, char **, char **, enum wbcSidType *)
+wbcGetGroups: wbcErr (const char *, uint32_t *, gid_t **)
+wbcGetSidAliases: wbcErr (const struct wbcDomainSid *, struct wbcDomainSid *, uint32_t, uint32_t **, uint32_t *)
+wbcGetgrent: wbcErr (struct group **)
+wbcGetgrgid: wbcErr (gid_t, struct group **)
+wbcGetgrlist: wbcErr (struct group **)
+wbcGetgrnam: wbcErr (const char *, struct group **)
+wbcGetpwent: wbcErr (struct passwd **)
+wbcGetpwnam: wbcErr (const char *, struct passwd **)
+wbcGetpwsid: wbcErr (struct wbcDomainSid *, struct passwd **)
+wbcGetpwuid: wbcErr (uid_t, struct passwd **)
+wbcGidToSid: wbcErr (gid_t, struct wbcDomainSid *)
+wbcGuidToString: wbcErr (const struct wbcGuid *, char **)
+wbcInterfaceDetails: wbcErr (struct wbcInterfaceDetails **)
+wbcLibraryDetails: wbcErr (struct wbcLibraryDetails **)
+wbcListGroups: wbcErr (const char *, uint32_t *, const char ***)
+wbcListTrusts: wbcErr (struct wbcDomainInfo **, size_t *)
+wbcListUsers: wbcErr (const char *, uint32_t *, const char ***)
+wbcLogoffUser: wbcErr (const char *, uid_t, const char *)
+wbcLogoffUserEx: wbcErr (const struct wbcLogoffUserParams *, struct wbcAuthErrorInfo **)
+wbcLogonUser: wbcErr (const struct wbcLogonUserParams *, struct wbcLogonUserInfo **, struct wbcAuthErrorInfo **, struct wbcUserPasswordPolicyInfo **)
+wbcLookupDomainController: wbcErr (const char *, uint32_t, struct wbcDomainControllerInfo **)
+wbcLookupDomainControllerEx: wbcErr (const char *, struct wbcGuid *, const char *, uint32_t, struct wbcDomainControllerInfoEx **)
+wbcLookupName: wbcErr (const char *, const char *, struct wbcDomainSid *, enum wbcSidType *)
+wbcLookupRids: wbcErr (struct wbcDomainSid *, int, uint32_t *, const char **, const char ***, enum wbcSidType **)
+wbcLookupSid: wbcErr (const struct wbcDomainSid *, char **, char **, enum wbcSidType *)
+wbcLookupSids: wbcErr (const struct wbcDomainSid *, int, struct wbcDomainInfo **, int *, struct wbcTranslatedName **)
+wbcLookupUserSids: wbcErr (const struct wbcDomainSid *, bool, uint32_t *, struct wbcDomainSid **)
+wbcPing: wbcErr (void)
+wbcPingDc: wbcErr (const char *, struct wbcAuthErrorInfo **)
+wbcPingDc2: wbcErr (const char *, struct wbcAuthErrorInfo **, char **)
+wbcQueryGidToSid: wbcErr (gid_t, struct wbcDomainSid *)
+wbcQuerySidToGid: wbcErr (const struct wbcDomainSid *, gid_t *)
+wbcQuerySidToUid: wbcErr (const struct wbcDomainSid *, uid_t *)
+wbcQueryUidToSid: wbcErr (uid_t, struct wbcDomainSid *)
+wbcRemoveGidMapping: wbcErr (gid_t, const struct wbcDomainSid *)
+wbcRemoveUidMapping: wbcErr (uid_t, const struct wbcDomainSid *)
+wbcRequestResponse: wbcErr (int, struct winbindd_request *, struct winbindd_response *)
+wbcRequestResponsePriv: wbcErr (int, struct winbindd_request *, struct winbindd_response *)
+wbcResolveWinsByIP: wbcErr (const char *, char **)
+wbcResolveWinsByName: wbcErr (const char *, char **)
+wbcSetGidHwm: wbcErr (gid_t)
+wbcSetGidMapping: wbcErr (gid_t, const struct wbcDomainSid *)
+wbcSetUidHwm: wbcErr (uid_t)
+wbcSetUidMapping: wbcErr (uid_t, const struct wbcDomainSid *)
+wbcSetgrent: wbcErr (void)
+wbcSetpwent: wbcErr (void)
+wbcSidToGid: wbcErr (const struct wbcDomainSid *, gid_t *)
+wbcSidToString: wbcErr (const struct wbcDomainSid *, char **)
+wbcSidToStringBuf: int (const struct wbcDomainSid *, char *, int)
+wbcSidToUid: wbcErr (const struct wbcDomainSid *, uid_t *)
+wbcSidTypeString: const char *(enum wbcSidType)
+wbcSidsToUnixIds: wbcErr (const struct wbcDomainSid *, uint32_t, struct wbcUnixId *)
+wbcStrDup: char *(const char *)
+wbcStringToGuid: wbcErr (const char *, struct wbcGuid *)
+wbcStringToSid: wbcErr (const char *, struct wbcDomainSid *)
+wbcUidToSid: wbcErr (uid_t, struct wbcDomainSid *)
diff --git a/nsswitch/libwbclient/wbc_idmap_sssd.c b/nsswitch/libwbclient/wbc_idmap_sssd.c
new file mode 100644
index 00000000000..d1ef7f59ca1
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_idmap_sssd.c
@@ -0,0 +1,78 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "wbc_sssd_internal.h"
+
+/* Convert a Windows SID to a Unix uid, allocating an uid if needed */
+wbcErr wbcSidToUid(const struct wbcDomainSid *sid, uid_t *puid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Convert a Unix uid to a Windows SID, allocating a SID if needed */
+wbcErr wbcUidToSid(uid_t uid, struct wbcDomainSid *sid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/** @brief Convert a Windows SID to a Unix gid, allocating a gid if needed
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param *pgid       Pointer to the resolved gid_t value
+ *
+ * @return #wbcErr
+ *
+ **/
+
+wbcErr wbcSidToGid(const struct wbcDomainSid *sid, gid_t *pgid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Convert a Unix gid to a Windows SID, allocating a SID if needed */
+wbcErr wbcGidToSid(gid_t gid, struct wbcDomainSid *sid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Obtain a new uid from Winbind */
+wbcErr wbcAllocateUid(uid_t *puid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Obtain a new gid from Winbind */
+wbcErr wbcAllocateGid(gid_t *pgid)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Convert a list of SIDs */
+wbcErr wbcSidsToUnixIds(const struct wbcDomainSid *sids, uint32_t num_sids,
+			struct wbcUnixId *ids)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wbc_pam_sssd.c b/nsswitch/libwbclient/wbc_pam_sssd.c
new file mode 100644
index 00000000000..8a65fc0e19d
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_pam_sssd.c
@@ -0,0 +1,156 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Required Headers */
+#include "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "wbc_sssd_internal.h"
+
+/* Authenticate a username/password pair */
+wbcErr wbcAuthenticateUser(const char *username,
+			   const char *password)
+{
+	wbcErr wbc_status = WBC_ERR_SUCCESS;
+	struct wbcAuthUserParams params;
+
+	ZERO_STRUCT(params);
+
+	params.account_name		= username;
+	params.level			= WBC_AUTH_USER_LEVEL_PLAIN;
+	params.password.plaintext	= password;
+
+	wbc_status = wbcAuthenticateUserEx(&params, NULL, NULL);
+
+	return wbc_status;
+}
+
+
+/* Authenticate with more detailed information */
+wbcErr wbcAuthenticateUserEx(const struct wbcAuthUserParams *params,
+			     struct wbcAuthUserInfo **info,
+			     struct wbcAuthErrorInfo **error)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Trigger a verification of the trust credentials of a specific domain */
+wbcErr wbcCheckTrustCredentials(const char *domain,
+				struct wbcAuthErrorInfo **error)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Trigger a change of the trust credentials for a specific domain */
+wbcErr wbcChangeTrustCredentials(const char *domain,
+				 struct wbcAuthErrorInfo **error)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/*
+ * Trigger a no-op NETLOGON call. Lightweight version of
+ * wbcCheckTrustCredentials
+ */
+wbcErr wbcPingDc(const char *domain, struct wbcAuthErrorInfo **error)
+{
+	return wbcPingDc2(domain, error, NULL);
+}
+
+/*
+ * Trigger a no-op NETLOGON call. Lightweight version of
+ * wbcCheckTrustCredentials, optionally return attempted DC
+ */
+wbcErr wbcPingDc2(const char *domain, struct wbcAuthErrorInfo **error,
+		  char **dcname)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Trigger an extended logoff notification to Winbind for a specific user */
+wbcErr wbcLogoffUserEx(const struct wbcLogoffUserParams *params,
+		       struct wbcAuthErrorInfo **error)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Trigger a logoff notification to Winbind for a specific user */
+wbcErr wbcLogoffUser(const char *username,
+		     uid_t uid,
+		     const char *ccfilename)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Change a password for a user with more detailed information upon failure */
+wbcErr wbcChangeUserPasswordEx(const struct wbcChangePasswordParams *params,
+			       struct wbcAuthErrorInfo **error,
+			       enum wbcPasswordChangeRejectReason *reject_reason,
+			       struct wbcUserPasswordPolicyInfo **policy)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Change a password for a user */
+wbcErr wbcChangeUserPassword(const char *username,
+			     const char *old_password,
+			     const char *new_password)
+{
+	wbcErr wbc_status = WBC_ERR_SUCCESS;
+	struct wbcChangePasswordParams params;
+
+	ZERO_STRUCT(params);
+
+	params.account_name		= username;
+	params.level			= WBC_CHANGE_PASSWORD_LEVEL_PLAIN;
+	params.old_password.plaintext	= old_password;
+	params.new_password.plaintext	= new_password;
+
+	wbc_status = wbcChangeUserPasswordEx(&params,
+					     NULL,
+					     NULL,
+					     NULL);
+
+	return wbc_status;
+}
+
+/* Logon a User */
+wbcErr wbcLogonUser(const struct wbcLogonUserParams *params,
+		    struct wbcLogonUserInfo **info,
+		    struct wbcAuthErrorInfo **error,
+		    struct wbcUserPasswordPolicyInfo **policy)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Authenticate a user with cached credentials */
+wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
+                          struct wbcCredentialCacheInfo **info,
+                          struct wbcAuthErrorInfo **error)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Authenticate a user with cached credentials */
+wbcErr wbcCredentialSave(const char *user, const char *password)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wbc_pwd_sssd.c b/nsswitch/libwbclient/wbc_pwd_sssd.c
new file mode 100644
index 00000000000..164166090e1
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_pwd_sssd.c
@@ -0,0 +1,106 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "wbc_sssd_internal.h"
+
+/* Fill in a struct passwd* for a domain user based on username */
+wbcErr wbcGetpwnam(const char *name, struct passwd **pwd)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Fill in a struct passwd* for a domain user based on uid */
+wbcErr wbcGetpwuid(uid_t uid, struct passwd **pwd)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Fill in a struct passwd* for a domain user based on sid */
+wbcErr wbcGetpwsid(struct wbcDomainSid *sid, struct passwd **pwd)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Fill in a struct passwd* for a domain user based on username */
+wbcErr wbcGetgrnam(const char *name, struct group **grp)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Fill in a struct passwd* for a domain user based on uid */
+wbcErr wbcGetgrgid(gid_t gid, struct group **grp)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Reset the passwd iterator */
+wbcErr wbcSetpwent(void)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Close the passwd iterator */
+wbcErr wbcEndpwent(void)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Return the next struct passwd* entry from the pwent iterator */
+wbcErr wbcGetpwent(struct passwd **pwd)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Reset the group iterator */
+wbcErr wbcSetgrent(void)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Close the group iterator */
+wbcErr wbcEndgrent(void)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Return the next struct group* entry from the pwent iterator */
+wbcErr wbcGetgrent(struct group **grp)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Return the next struct group* entry from the pwent iterator */
+wbcErr wbcGetgrlist(struct group **grp)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Return the unix group array belonging to the given user */
+wbcErr wbcGetGroups(const char *account,
+		    uint32_t *num_groups,
+		    gid_t **_groups)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wbc_sid_sssd.c b/nsswitch/libwbclient/wbc_sid_sssd.c
new file mode 100644
index 00000000000..4826f295fb7
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_sid_sssd.c
@@ -0,0 +1,109 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "wbc_sssd_internal.h"
+
+/* Convert a domain and name to SID */
+wbcErr wbcLookupName(const char *domain,
+		     const char *name,
+		     struct wbcDomainSid *sid,
+		     enum wbcSidType *name_type)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+
+/* Convert a SID to a domain and name */
+wbcErr wbcLookupSid(const struct wbcDomainSid *sid,
+		    char **pdomain,
+		    char **pname,
+		    enum wbcSidType *pname_type)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+wbcErr wbcLookupSids(const struct wbcDomainSid *sids, int num_sids,
+		     struct wbcDomainInfo **pdomains, int *pnum_domains,
+		     struct wbcTranslatedName **pnames)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Translate a collection of RIDs within a domain to names */
+
+wbcErr wbcLookupRids(struct wbcDomainSid *dom_sid,
+		     int num_rids,
+		     uint32_t *rids,
+		     const char **pp_domain_name,
+		     const char ***pnames,
+		     enum wbcSidType **ptypes)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Get the groups a user belongs to */
+wbcErr wbcLookupUserSids(const struct wbcDomainSid *user_sid,
+			 bool domain_groups_only,
+			 uint32_t *num_sids,
+			 struct wbcDomainSid **_sids)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Get alias membership for sids */
+wbcErr wbcGetSidAliases(const struct wbcDomainSid *dom_sid,
+			struct wbcDomainSid *sids,
+			uint32_t num_sids,
+			uint32_t **alias_rids,
+			uint32_t *num_alias_rids)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+
+/* Lists Users */
+wbcErr wbcListUsers(const char *domain_name,
+		    uint32_t *_num_users,
+		    const char ***_users)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Lists Groups */
+wbcErr wbcListGroups(const char *domain_name,
+		     uint32_t *_num_groups,
+		     const char ***_groups)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+wbcErr wbcGetDisplayName(const struct wbcDomainSid *sid,
+			 char **pdomain,
+			 char **pfullname,
+			 enum wbcSidType *pname_type)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wbc_sssd_internal.h b/nsswitch/libwbclient/wbc_sssd_internal.h
new file mode 100644
index 00000000000..4599a556376
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_sssd_internal.h
@@ -0,0 +1,41 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _WBC_SSSD_INTERNAL_H
+#define _WBC_SSSD_INTERNAL_H
+
+#include <syslog.h>
+
+#include "libwbclient.h"
+
+#if defined(DEVELOPER)
+#define WBC_SSSD_DEV_LOG syslog(LOG_DEBUG, "libwbclient_sssd: %s", __FUNCTION__);
+#else
+#define WBC_SSSD_DEV_LOG
+#endif
+
+#define WBC_SSSD_NOT_IMPLEMENTED \
+	do { \
+		WBC_SSSD_DEV_LOG; \
+		return WBC_ERR_NOT_IMPLEMENTED; \
+	} while(0)
+
+#endif	/* _WBC_SSSD_INTERNAL_H */
diff --git a/nsswitch/libwbclient/wbc_util_sssd.c b/nsswitch/libwbclient/wbc_util_sssd.c
new file mode 100644
index 00000000000..d1049e239b3
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_util_sssd.c
@@ -0,0 +1,104 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "wbc_sssd_internal.h"
+
+/** @brief Ping winbindd to see if the daemon is running
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcPing(void)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/**
+ * @brief Query useful information about the winbind service
+ *
+ * @param *_details	pointer to hold the struct wbcInterfaceDetails
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcInterfaceDetails(struct wbcInterfaceDetails **_details)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/** @brief Lookup the current status of a trusted domain, sync wrapper
+ *
+ * @param domain      Domain to query
+ * @param *dinfo       Pointer to returned struct wbcDomainInfo
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcDomainInfo(const char *domain, struct wbcDomainInfo **dinfo)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Get the list of current DCs */
+wbcErr wbcDcInfo(const char *domain, size_t *num_dcs,
+		 const char ***dc_names, const char ***dc_ips)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Resolve a NetbiosName via WINS */
+wbcErr wbcResolveWinsByName(const char *name, char **ip)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Resolve an IP address via WINS into a NetbiosName */
+wbcErr wbcResolveWinsByIP(const char *ip, char **name)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Enumerate the domain trusts known by Winbind */
+wbcErr wbcListTrusts(struct wbcDomainInfo **domains, size_t *num_domains)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Enumerate the domain trusts known by Winbind */
+wbcErr wbcLookupDomainController(const char *domain,
+				 uint32_t flags,
+				struct wbcDomainControllerInfo **dc_info)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+/* Get extended domain controller information */
+wbcErr wbcLookupDomainControllerEx(const char *domain,
+				   struct wbcGuid *guid,
+				   const char *site,
+				   uint32_t flags,
+				   struct wbcDomainControllerInfoEx **dc_info)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wbclient-sssd.h b/nsswitch/libwbclient/wbclient-sssd.h
new file mode 100644
index 00000000000..dc3e822b7e7
--- /dev/null
+++ b/nsswitch/libwbclient/wbclient-sssd.h
@@ -0,0 +1,1372 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API
+
+   Copyright (C) Gerald (Jerry) Carter 2007
+   Copyright (C) Volker Lendecke 2009
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _WBCLIENT_H
+#define _WBCLIENT_H
+
+#include <pwd.h>
+#include <grp.h>
+
+/* Define error types */
+
+/**
+ *  @brief Status codes returned from wbc functions
+ **/
+
+enum _wbcErrType {
+	WBC_ERR_SUCCESS = 0,    /**< Successful completion **/
+	WBC_ERR_NOT_IMPLEMENTED,/**< Function not implemented **/
+	WBC_ERR_UNKNOWN_FAILURE,/**< General failure **/
+	WBC_ERR_NO_MEMORY,      /**< Memory allocation error **/
+	WBC_ERR_INVALID_SID,    /**< Invalid SID format **/
+	WBC_ERR_INVALID_PARAM,  /**< An Invalid parameter was supplied **/
+	WBC_ERR_WINBIND_NOT_AVAILABLE,   /**< Winbind daemon is not available **/
+	WBC_ERR_DOMAIN_NOT_FOUND,        /**< Domain is not trusted or cannot be found **/
+	WBC_ERR_INVALID_RESPONSE,        /**< Winbind returned an invalid response **/
+	WBC_ERR_NSS_ERROR,            /**< NSS_STATUS error **/
+	WBC_ERR_AUTH_ERROR,        /**< Authentication failed **/
+	WBC_ERR_UNKNOWN_USER,      /**< User account cannot be found */
+	WBC_ERR_UNKNOWN_GROUP,     /**< Group account cannot be found */
+	WBC_ERR_PWD_CHANGE_FAILED  /**< Password Change has failed */
+};
+
+typedef enum _wbcErrType wbcErr;
+
+#define WBC_ERROR_IS_OK(x) ((x) == WBC_ERR_SUCCESS)
+
+const char *wbcErrorString(wbcErr error);
+
+/**
+ *  @brief Some useful details about the wbclient library
+ *
+ *  0.1: Initial version
+ *  0.2: Added wbcRemoveUidMapping()
+ *       Added wbcRemoveGidMapping()
+ *  0.3: Added wbcGetpwsid()
+ *	 Added wbcGetSidAliases()
+ *  0.4: Added wbcSidTypeString()
+ *  0.5: Added wbcChangeTrustCredentials()
+ *  0.6: Made struct wbcInterfaceDetails char* members non-const
+ *  0.7: Added wbcSidToStringBuf()
+ *  0.8: Added wbcSidsToUnixIds() and wbcLookupSids()
+ *  0.9: Added support for WBC_ID_TYPE_BOTH
+ *  0.10: Added wbcPingDc2()
+ *  0.11: Extended wbcAuthenticateUserEx to provide PAC parsing
+ **/
+#define WBCLIENT_MAJOR_VERSION 0
+#define WBCLIENT_MINOR_VERSION 11
+#define WBCLIENT_VENDOR_VERSION "Samba libwbclient"
+struct wbcLibraryDetails {
+	uint16_t major_version;
+	uint16_t minor_version;
+	const char *vendor_version;
+};
+
+/**
+ *  @brief Some useful details about the running winbindd
+ *
+ **/
+struct wbcInterfaceDetails {
+	uint32_t interface_version;
+	char *winbind_version;
+	char winbind_separator;
+	char *netbios_name;
+	char *netbios_domain;
+	char *dns_domain;
+};
+
+/*
+ * Data types used by the Winbind Client API
+ */
+
+#ifndef WBC_MAXSUBAUTHS
+#define WBC_MAXSUBAUTHS 15 /* max sub authorities in a SID */
+#endif
+
+/**
+ *  @brief Windows Security Identifier
+ *
+ **/
+
+struct wbcDomainSid {
+	uint8_t   sid_rev_num;
+	uint8_t   num_auths;
+	uint8_t   id_auth[6];
+	uint32_t  sub_auths[WBC_MAXSUBAUTHS];
+};
+
+/**
+ * @brief Security Identifier type
+ **/
+
+enum wbcSidType {
+	WBC_SID_NAME_USE_NONE=0,
+	WBC_SID_NAME_USER=1,
+	WBC_SID_NAME_DOM_GRP=2,
+	WBC_SID_NAME_DOMAIN=3,
+	WBC_SID_NAME_ALIAS=4,
+	WBC_SID_NAME_WKN_GRP=5,
+	WBC_SID_NAME_DELETED=6,
+	WBC_SID_NAME_INVALID=7,
+	WBC_SID_NAME_UNKNOWN=8,
+	WBC_SID_NAME_COMPUTER=9
+};
+
+/**
+ * @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 Windows GUID
+ *
+ **/
+
+struct wbcGuid {
+	uint32_t time_low;
+	uint16_t time_mid;
+	uint16_t time_hi_and_version;
+	uint8_t clock_seq[2];
+	uint8_t node[6];
+};
+
+/**
+ * @brief Domain Information
+ **/
+
+struct wbcDomainInfo {
+	char *short_name;
+	char *dns_name;
+	struct wbcDomainSid sid;
+	uint32_t domain_flags;
+	uint32_t trust_flags;
+	uint32_t trust_type;
+};
+
+/* wbcDomainInfo->domain_flags */
+
+#define WBC_DOMINFO_DOMAIN_UNKNOWN    0x00000000
+#define WBC_DOMINFO_DOMAIN_NATIVE     0x00000001
+#define WBC_DOMINFO_DOMAIN_AD         0x00000002
+#define WBC_DOMINFO_DOMAIN_PRIMARY    0x00000004
+#define WBC_DOMINFO_DOMAIN_OFFLINE    0x00000008
+
+/* wbcDomainInfo->trust_flags */
+
+#define WBC_DOMINFO_TRUST_TRANSITIVE  0x00000001
+#define WBC_DOMINFO_TRUST_INCOMING    0x00000002
+#define WBC_DOMINFO_TRUST_OUTGOING    0x00000004
+
+/* wbcDomainInfo->trust_type */
+
+#define WBC_DOMINFO_TRUSTTYPE_NONE       0x00000000
+#define WBC_DOMINFO_TRUSTTYPE_FOREST     0x00000001
+#define WBC_DOMINFO_TRUSTTYPE_IN_FOREST  0x00000002
+#define WBC_DOMINFO_TRUSTTYPE_EXTERNAL   0x00000003
+
+/**
+ * @brief Generic Blob
+ **/
+
+struct wbcBlob {
+	uint8_t *data;
+	size_t length;
+};
+
+/**
+ * @brief Named Blob
+ **/
+
+struct wbcNamedBlob {
+	const char *name;
+	uint32_t flags;
+	struct wbcBlob blob;
+};
+
+/**
+ * @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,
+		WBC_AUTH_USER_LEVEL_PAC = 4
+	} 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;
+		struct wbcBlob pac;
+	} password;
+};
+
+/**
+ * @brief Logon User Parameters
+ **/
+
+struct wbcLogonUserParams {
+	const char *username;
+	const char *password;
+	size_t num_blobs;
+	struct wbcNamedBlob *blobs;
+};
+
+/**
+ * @brief ChangePassword Parameters
+ **/
+
+struct wbcChangePasswordParams {
+	const char *account_name;
+	const char *domain_name;
+
+	uint32_t flags;
+
+	enum wbcChangePasswordLevel {
+		WBC_CHANGE_PASSWORD_LEVEL_PLAIN = 1,
+		WBC_CHANGE_PASSWORD_LEVEL_RESPONSE = 2
+	} level;
+
+	union {
+		const char *plaintext;
+		struct {
+			uint32_t old_nt_hash_enc_length;
+			uint8_t *old_nt_hash_enc_data;
+			uint32_t old_lm_hash_enc_length;
+			uint8_t *old_lm_hash_enc_data;
+		} response;
+	} old_password;
+	union {
+		const char *plaintext;
+		struct {
+			uint32_t nt_length;
+			uint8_t *nt_data;
+			uint32_t lm_length;
+			uint8_t *lm_data;
+		} response;
+	} new_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;
+};
+
+/**
+ * @brief Logon User Information
+ *
+ * Some of the strings are maybe NULL
+ **/
+
+struct wbcLogonUserInfo {
+	struct wbcAuthUserInfo *info;
+	size_t num_blobs;
+	struct wbcNamedBlob *blobs;
+};
+
+/* 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;
+};
+
+/**
+ * @brief User Password Policy Information
+ **/
+
+/* wbcUserPasswordPolicyInfo->password_properties */
+
+#define WBC_DOMAIN_PASSWORD_COMPLEX		0x00000001
+#define WBC_DOMAIN_PASSWORD_NO_ANON_CHANGE	0x00000002
+#define WBC_DOMAIN_PASSWORD_NO_CLEAR_CHANGE	0x00000004
+#define WBC_DOMAIN_PASSWORD_LOCKOUT_ADMINS	0x00000008
+#define WBC_DOMAIN_PASSWORD_STORE_CLEARTEXT	0x00000010
+#define WBC_DOMAIN_REFUSE_PASSWORD_CHANGE	0x00000020
+
+struct wbcUserPasswordPolicyInfo {
+	uint32_t min_length_password;
+	uint32_t password_history;
+	uint32_t password_properties;
+	uint64_t expire;
+	uint64_t min_passwordage;
+};
+
+/**
+ * @brief Change Password Reject Reason
+ **/
+
+enum wbcPasswordChangeRejectReason {
+	WBC_PWD_CHANGE_NO_ERROR=0,
+	WBC_PWD_CHANGE_PASSWORD_TOO_SHORT=1,
+	WBC_PWD_CHANGE_PWD_IN_HISTORY=2,
+	WBC_PWD_CHANGE_USERNAME_IN_PASSWORD=3,
+	WBC_PWD_CHANGE_FULLNAME_IN_PASSWORD=4,
+	WBC_PWD_CHANGE_NOT_COMPLEX=5,
+	WBC_PWD_CHANGE_MACHINE_NOT_DEFAULT=6,
+	WBC_PWD_CHANGE_FAILED_BY_FILTER=7,
+	WBC_PWD_CHANGE_PASSWORD_TOO_LONG=8
+};
+
+/* Note: this defines exist for compatibility reasons with existing code */
+#define WBC_PWD_CHANGE_REJECT_OTHER      WBC_PWD_CHANGE_NO_ERROR
+#define WBC_PWD_CHANGE_REJECT_TOO_SHORT  WBC_PWD_CHANGE_PASSWORD_TOO_SHORT
+#define WBC_PWD_CHANGE_REJECT_IN_HISTORY WBC_PWD_CHANGE_PWD_IN_HISTORY
+#define WBC_PWD_CHANGE_REJECT_COMPLEXITY WBC_PWD_CHANGE_NOT_COMPLEX
+
+/**
+ * @brief Logoff User Parameters
+ **/
+
+struct wbcLogoffUserParams {
+	const char *username;
+	size_t num_blobs;
+	struct wbcNamedBlob *blobs;
+};
+
+/** @brief Credential cache log-on parameters
+ *
+ */
+
+struct wbcCredentialCacheParams {
+        const char *account_name;
+        const char *domain_name;
+        enum wbcCredentialCacheLevel {
+                WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP = 1
+        } level;
+        size_t num_blobs;
+        struct wbcNamedBlob *blobs;
+};
+
+
+/** @brief Info returned by credential cache auth
+ *
+ */
+
+struct wbcCredentialCacheInfo {
+        size_t num_blobs;
+        struct wbcNamedBlob *blobs;
+};
+
+/*
+ * DomainControllerInfo struct
+ */
+struct wbcDomainControllerInfo {
+	char *dc_name;
+};
+
+/*
+ * DomainControllerInfoEx struct
+ */
+struct wbcDomainControllerInfoEx {
+	const char *dc_unc;
+	const char *dc_address;
+	uint16_t dc_address_type;
+	struct wbcGuid *domain_guid;
+	const char *domain_name;
+	const char *forest_name;
+	uint32_t dc_flags;
+	const char *dc_site_name;
+	const char *client_site_name;
+};
+
+/**********************************************************
+ * Memory Management
+ **********************************************************/
+
+/**
+ * @brief Free library allocated memory
+ *
+ * @param * Pointer to free
+ *
+ * @return void
+ **/
+void wbcFreeMemory(void*);
+
+
+/*
+ * Utility functions for dealing with SIDs
+ */
+
+/**
+ * @brief Get a string representation of the SID type
+ *
+ * @param type		type of the SID
+ *
+ * @return string representation of the SID type
+ */
+const char* wbcSidTypeString(enum wbcSidType type);
+
+#define WBC_SID_STRING_BUFLEN (15*11+25)
+
+/*
+ * @brief Print a sid into a buffer
+ *
+ * @param sid		Binary Security Identifier
+ * @param buf		Target buffer
+ * @param buflen	Target buffer length
+ *
+ * @return Resulting string length.
+ */
+int wbcSidToStringBuf(const struct wbcDomainSid *sid, char *buf, int buflen);
+
+/**
+ * @brief Convert a binary SID to a character string
+ *
+ * @param sid           Binary Security Identifier
+ * @param **sid_string  Resulting character string
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcSidToString(const struct wbcDomainSid *sid,
+		      char **sid_string);
+
+/**
+ * @brief Convert a character string to a binary SID
+ *
+ * @param *sid_string   Character string in the form of S-...
+ * @param sid           Resulting binary SID
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcStringToSid(const char *sid_string,
+		      struct wbcDomainSid *sid);
+
+/*
+ * Utility functions for dealing with GUIDs
+ */
+
+/**
+ * @brief Convert a binary GUID to a character string
+ *
+ * @param guid           Binary Guid
+ * @param **guid_string  Resulting character string
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGuidToString(const struct wbcGuid *guid,
+		       char **guid_string);
+
+/**
+ * @brief Convert a character string to a binary GUID
+ *
+ * @param *guid_string  Character string
+ * @param guid          Resulting binary GUID
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcStringToGuid(const char *guid_string,
+		       struct wbcGuid *guid);
+
+/**
+ * @brief Ping winbindd to see if the daemon is running
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcPing(void);
+
+wbcErr wbcLibraryDetails(struct wbcLibraryDetails **details);
+
+wbcErr wbcInterfaceDetails(struct wbcInterfaceDetails **details);
+
+/**********************************************************
+ * Name/SID conversion
+ **********************************************************/
+
+/**
+ * @brief Convert a domain and name to SID
+ *
+ * @param dom_name    Domain name (possibly "")
+ * @param name        User or group name
+ * @param *sid        Pointer to the resolved domain SID
+ * @param *name_type  Pointer to the SID type
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLookupName(const char *dom_name,
+		     const char *name,
+		     struct wbcDomainSid *sid,
+		     enum wbcSidType *name_type);
+
+/**
+ * @brief Convert a SID to a domain and name
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param domain     Resolved Domain name (possibly "")
+ * @param name       Resolved User or group name
+ * @param *name_type Pointer to the resolved SID type
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLookupSid(const struct wbcDomainSid *sid,
+		    char **domain,
+		    char **name,
+		    enum wbcSidType *name_type);
+
+struct wbcTranslatedName {
+	enum wbcSidType type;
+	char *name;
+	int domain_index;
+};
+
+wbcErr wbcLookupSids(const struct wbcDomainSid *sids, int num_sids,
+		     struct wbcDomainInfo **domains, int *num_domains,
+		     struct wbcTranslatedName **names);
+
+/**
+ * @brief Translate a collection of RIDs within a domain to names
+ */
+wbcErr wbcLookupRids(struct wbcDomainSid *dom_sid,
+		     int num_rids,
+		     uint32_t *rids,
+		     const char **domain_name,
+		     const char ***names,
+		     enum wbcSidType **types);
+
+/*
+ * @brief Get the groups a user belongs to
+ **/
+wbcErr wbcLookupUserSids(const struct wbcDomainSid *user_sid,
+			 bool domain_groups_only,
+			 uint32_t *num_sids,
+			 struct wbcDomainSid **sids);
+
+/*
+ * @brief Get alias membership for sids
+ **/
+wbcErr wbcGetSidAliases(const struct wbcDomainSid *dom_sid,
+			struct wbcDomainSid *sids,
+			uint32_t num_sids,
+			uint32_t **alias_rids,
+			uint32_t *num_alias_rids);
+
+/**
+ * @brief Lists Users
+ **/
+wbcErr wbcListUsers(const char *domain_name,
+		    uint32_t *num_users,
+		    const char ***users);
+
+/**
+ * @brief Lists Groups
+ **/
+wbcErr wbcListGroups(const char *domain_name,
+		     uint32_t *num_groups,
+		     const char ***groups);
+
+wbcErr wbcGetDisplayName(const struct wbcDomainSid *sid,
+			 char **pdomain,
+			 char **pfullname,
+			 enum wbcSidType *pname_type);
+
+/**********************************************************
+ * SID/uid/gid Mappings
+ **********************************************************/
+
+/**
+ * @brief Convert a Windows SID to a Unix uid, allocating an uid if needed
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param *puid       Pointer to the resolved uid_t value
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcSidToUid(const struct wbcDomainSid *sid,
+		   uid_t *puid);
+
+/**
+ * @brief Convert a Windows SID to a Unix uid if there already is a mapping
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param *puid       Pointer to the resolved uid_t value
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcQuerySidToUid(const struct wbcDomainSid *sid,
+			uid_t *puid);
+
+/**
+ * @brief Convert a Unix uid to a Windows SID, allocating a SID if needed
+ *
+ * @param uid         Unix uid to be resolved
+ * @param *sid        Pointer to the resolved domain SID
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcUidToSid(uid_t uid,
+		   struct wbcDomainSid *sid);
+
+/**
+ * @brief Convert a Unix uid to a Windows SID if there already is a mapping
+ *
+ * @param uid         Unix uid to be resolved
+ * @param *sid        Pointer to the resolved domain SID
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcQueryUidToSid(uid_t uid,
+			struct wbcDomainSid *sid);
+
+/**
+ * @brief Convert a Windows SID to a Unix gid, allocating a gid if needed
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param *pgid       Pointer to the resolved gid_t value
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcSidToGid(const struct wbcDomainSid *sid,
+		   gid_t *pgid);
+
+/**
+ * @brief Convert a Windows SID to a Unix gid if there already is a mapping
+ *
+ * @param *sid        Pointer to the domain SID to be resolved
+ * @param *pgid       Pointer to the resolved gid_t value
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcQuerySidToGid(const struct wbcDomainSid *sid,
+			gid_t *pgid);
+
+/**
+ * @brief Convert a Unix gid to a Windows SID, allocating a SID if needed
+ *
+ * @param gid         Unix gid to be resolved
+ * @param *sid        Pointer to the resolved domain SID
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcGidToSid(gid_t gid,
+		   struct wbcDomainSid *sid);
+
+/**
+ * @brief Convert a Unix gid to a Windows SID if there already is a mapping
+ *
+ * @param gid         Unix gid to be resolved
+ * @param *sid        Pointer to the resolved domain SID
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcQueryGidToSid(gid_t gid,
+			struct wbcDomainSid *sid);
+
+enum wbcIdType {
+	WBC_ID_TYPE_NOT_SPECIFIED,
+	WBC_ID_TYPE_UID,
+	WBC_ID_TYPE_GID,
+	WBC_ID_TYPE_BOTH
+};
+
+union wbcUnixIdContainer {
+	uid_t uid;
+	gid_t gid;
+};
+
+struct wbcUnixId {
+	enum wbcIdType type;
+	union wbcUnixIdContainer id;
+};
+
+/**
+ * @brief Convert a list of sids to unix ids
+ *
+ * @param sids        Pointer to an array of SIDs to convert
+ * @param num_sids    Number of SIDs
+ * @param ids         Preallocated output array for translated IDs
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcSidsToUnixIds(const struct wbcDomainSid *sids, uint32_t num_sids,
+			struct wbcUnixId *ids);
+
+/**
+ * @brief Obtain a new uid from Winbind
+ *
+ * @param *puid      *pointer to the allocated uid
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcAllocateUid(uid_t *puid);
+
+/**
+ * @brief Obtain a new gid from Winbind
+ *
+ * @param *pgid      Pointer to the allocated gid
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcAllocateGid(gid_t *pgid);
+
+/**
+ * @brief Set an user id mapping
+ *
+ * @param uid       Uid of the desired mapping.
+ * @param *sid      Pointer to the sid of the desired mapping.
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcSetUidMapping(uid_t uid, const struct wbcDomainSid *sid);
+
+/**
+ * @brief Set a group id mapping
+ *
+ * @param gid       Gid of the desired mapping.
+ * @param *sid      Pointer to the sid of the desired mapping.
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcSetGidMapping(gid_t gid, const struct wbcDomainSid *sid);
+
+/**
+ * @brief Remove a user id mapping
+ *
+ * @param uid       Uid of the mapping to remove.
+ * @param *sid      Pointer to the sid of the mapping to remove.
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcRemoveUidMapping(uid_t uid, const struct wbcDomainSid *sid);
+
+/**
+ * @brief Remove a group id mapping
+ *
+ * @param gid       Gid of the mapping to remove.
+ * @param *sid      Pointer to the sid of the mapping to remove.
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcRemoveGidMapping(gid_t gid, const struct wbcDomainSid *sid);
+
+/**
+ * @brief Set the highwater mark for allocated uids.
+ *
+ * @param uid_hwm      The new uid highwater mark value
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcSetUidHwm(uid_t uid_hwm);
+
+/**
+ * @brief Set the highwater mark for allocated gids.
+ *
+ * @param gid_hwm      The new gid highwater mark value
+ *
+ * @return #wbcErr
+ *
+ * @deprecated      This method is not impemented any more and should
+ *                  be removed in the next major version change.
+ **/
+wbcErr wbcSetGidHwm(gid_t gid_hwm);
+
+/**********************************************************
+ * NSS Lookup User/Group details
+ **********************************************************/
+
+/**
+ * @brief Fill in a struct passwd* for a domain user based
+ *   on username
+ *
+ * @param *name     Username to lookup
+ * @param **pwd     Pointer to resulting struct passwd* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetpwnam(const char *name, struct passwd **pwd);
+
+/**
+ * @brief Fill in a struct passwd* for a domain user based
+ *   on uid
+ *
+ * @param uid       Uid to lookup
+ * @param **pwd     Pointer to resulting struct passwd* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetpwuid(uid_t uid, struct passwd **pwd);
+
+/**
+ * @brief Fill in a struct passwd* for a domain user based
+ *   on sid
+ *
+ * @param sid       Sid to lookup
+ * @param **pwd     Pointer to resulting struct passwd* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetpwsid(struct wbcDomainSid * sid, struct passwd **pwd);
+
+/**
+ * @brief Fill in a struct passwd* for a domain user based
+ *   on username
+ *
+ * @param *name     Username to lookup
+ * @param **grp     Pointer to resulting struct group* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetgrnam(const char *name, struct group **grp);
+
+/**
+ * @brief Fill in a struct passwd* for a domain user based
+ *   on uid
+ *
+ * @param gid       Uid to lookup
+ * @param **grp     Pointer to resulting struct group* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetgrgid(gid_t gid, struct group **grp);
+
+/**
+ * @brief Reset the passwd iterator
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcSetpwent(void);
+
+/**
+ * @brief Close the passwd iterator
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcEndpwent(void);
+
+/**
+ * @brief Return the next struct passwd* entry from the pwent iterator
+ *
+ * @param **pwd       Pointer to resulting struct passwd* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetpwent(struct passwd **pwd);
+
+/**
+ * @brief Reset the group iterator
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcSetgrent(void);
+
+/**
+ * @brief Close the group iterator
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcEndgrent(void);
+
+/**
+ * @brief Return the next struct group* entry from the pwent iterator
+ *
+ * @param **grp       Pointer to resulting struct group* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetgrent(struct group **grp);
+
+/**
+ * @brief Return the next struct group* entry from the pwent iterator
+ *
+ * This is similar to #wbcGetgrent, just that the member list is empty
+ *
+ * @param **grp       Pointer to resulting struct group* from the query.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetgrlist(struct group **grp);
+
+/**
+ * @brief Return the unix group array belonging to the given user
+ *
+ * @param *account       The given user name
+ * @param *num_groups    Number of elements returned in the groups array
+ * @param **_groups      Pointer to resulting gid_t array.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcGetGroups(const char *account,
+		    uint32_t *num_groups,
+		    gid_t **_groups);
+
+
+/**********************************************************
+ * Lookup Domain information
+ **********************************************************/
+
+/**
+ * @brief Lookup the current status of a trusted domain
+ *
+ * @param domain        The domain to query
+ *
+ * @param dinfo          A pointer to store the returned domain_info struct.
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcDomainInfo(const char *domain,
+		     struct wbcDomainInfo **dinfo);
+
+/**
+ * @brief Lookup the currently contacted DCs
+ *
+ * @param domain        The domain to query
+ *
+ * @param num_dcs       Number of DCs currently known
+ * @param dc_names      Names of the currently known DCs
+ * @param dc_ips        IP addresses of the currently known DCs
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcDcInfo(const char *domain, size_t *num_dcs,
+		 const char ***dc_names, const char ***dc_ips);
+
+/**
+ * @brief Enumerate the domain trusts known by Winbind
+ *
+ * @param **domains     Pointer to the allocated domain list array
+ * @param *num_domains  Pointer to number of domains returned
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcListTrusts(struct wbcDomainInfo **domains,
+		     size_t *num_domains);
+
+/* Flags for wbcLookupDomainController */
+
+#define WBC_LOOKUP_DC_FORCE_REDISCOVERY        0x00000001
+#define WBC_LOOKUP_DC_DS_REQUIRED              0x00000010
+#define WBC_LOOKUP_DC_DS_PREFERRED             0x00000020
+#define WBC_LOOKUP_DC_GC_SERVER_REQUIRED       0x00000040
+#define WBC_LOOKUP_DC_PDC_REQUIRED             0x00000080
+#define WBC_LOOKUP_DC_BACKGROUND_ONLY          0x00000100
+#define WBC_LOOKUP_DC_IP_REQUIRED              0x00000200
+#define WBC_LOOKUP_DC_KDC_REQUIRED             0x00000400
+#define WBC_LOOKUP_DC_TIMESERV_REQUIRED        0x00000800
+#define WBC_LOOKUP_DC_WRITABLE_REQUIRED        0x00001000
+#define WBC_LOOKUP_DC_GOOD_TIMESERV_PREFERRED  0x00002000
+#define WBC_LOOKUP_DC_AVOID_SELF               0x00004000
+#define WBC_LOOKUP_DC_ONLY_LDAP_NEEDED         0x00008000
+#define WBC_LOOKUP_DC_IS_FLAT_NAME             0x00010000
+#define WBC_LOOKUP_DC_IS_DNS_NAME              0x00020000
+#define WBC_LOOKUP_DC_TRY_NEXTCLOSEST_SITE     0x00040000
+#define WBC_LOOKUP_DC_DS_6_REQUIRED            0x00080000
+#define WBC_LOOKUP_DC_RETURN_DNS_NAME          0x40000000
+#define WBC_LOOKUP_DC_RETURN_FLAT_NAME         0x80000000
+
+/**
+ * @brief Enumerate the domain trusts known by Winbind
+ *
+ * @param domain        Name of the domain to query for a DC
+ * @param flags         Bit flags used to control the domain location query
+ * @param *dc_info      Pointer to the returned domain controller information
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLookupDomainController(const char *domain,
+				 uint32_t flags,
+				 struct wbcDomainControllerInfo **dc_info);
+
+/**
+ * @brief Get extended domain controller information
+ *
+ * @param domain        Name of the domain to query for a DC
+ * @param guid          Guid of the domain to query for a DC
+ * @param site          Site of the domain to query for a DC
+ * @param flags         Bit flags used to control the domain location query
+ * @param *dc_info      Pointer to the returned extended domain controller information
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLookupDomainControllerEx(const char *domain,
+				   struct wbcGuid *guid,
+				   const char *site,
+				   uint32_t flags,
+				   struct wbcDomainControllerInfoEx **dc_info);
+
+/**********************************************************
+ * Athenticate functions
+ **********************************************************/
+
+/**
+ * @brief Authenticate a username/password pair
+ *
+ * @param username     Name of user to authenticate
+ * @param password     Clear text password os user
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcAuthenticateUser(const char *username,
+			   const char *password);
+
+/**
+ * @brief Authenticate with more detailed information
+ *
+ * @param params       Input parameters, WBC_AUTH_USER_LEVEL_HASH
+ *                     is not 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);
+
+/**
+ * @brief Logon a User
+ *
+ * @param[in]  params      Pointer to a wbcLogonUserParams structure
+ * @param[out] info        Pointer to a pointer to a wbcLogonUserInfo structure
+ * @param[out] error       Pointer to a pointer to a wbcAuthErrorInfo structure
+ * @param[out] policy      Pointer to a pointer to a wbcUserPasswordPolicyInfo structure
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLogonUser(const struct wbcLogonUserParams *params,
+		    struct wbcLogonUserInfo **info,
+		    struct wbcAuthErrorInfo **error,
+		    struct wbcUserPasswordPolicyInfo **policy);
+
+/**
+ * @brief Trigger a logoff notification to Winbind for a specific user
+ *
+ * @param username    Name of user to remove from Winbind's list of
+ *                    logged on users.
+ * @param uid         Uid assigned to the username
+ * @param ccfilename  Absolute path to the Krb5 credentials cache to
+ *                    be removed
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLogoffUser(const char *username,
+		     uid_t uid,
+		     const char *ccfilename);
+
+/**
+ * @brief Trigger an extended logoff notification to Winbind for a specific user
+ *
+ * @param params      A wbcLogoffUserParams structure
+ * @param error       User output details on error
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcLogoffUserEx(const struct wbcLogoffUserParams *params,
+		       struct wbcAuthErrorInfo **error);
+
+/**
+ * @brief Change a password for a user
+ *
+ * @param username      Name of user to authenticate
+ * @param old_password  Old clear text password of user
+ * @param new_password  New clear text password of user
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcChangeUserPassword(const char *username,
+			     const char *old_password,
+			     const char *new_password);
+
+/**
+ * @brief Change a password for a user with more detailed information upon
+ *   failure
+ *
+ * @param params                Input parameters
+ * @param error                 User output details on WBC_ERR_PWD_CHANGE_FAILED
+ * @param reject_reason         New password reject reason on WBC_ERR_PWD_CHANGE_FAILED
+ * @param policy                Password policy output details on WBC_ERR_PWD_CHANGE_FAILED
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcChangeUserPasswordEx(const struct wbcChangePasswordParams *params,
+			       struct wbcAuthErrorInfo **error,
+			       enum wbcPasswordChangeRejectReason *reject_reason,
+			       struct wbcUserPasswordPolicyInfo **policy);
+
+/**
+ * @brief Authenticate a user with cached credentials
+ *
+ * @param *params    Pointer to a wbcCredentialCacheParams structure
+ * @param **info     Pointer to a pointer to a wbcCredentialCacheInfo structure
+ * @param **error    Pointer to a pointer to a wbcAuthErrorInfo structure
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcCredentialCache(struct wbcCredentialCacheParams *params,
+                          struct wbcCredentialCacheInfo **info,
+                          struct wbcAuthErrorInfo **error);
+
+/**
+ * @brief Save a password with winbind for doing wbcCredentialCache() later
+ *
+ * @param *user	     Username
+ * @param *password  Password
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcCredentialSave(const char *user, const char *password);
+
+/**********************************************************
+ * Resolve functions
+ **********************************************************/
+
+/**
+ * @brief Resolve a NetbiosName via WINS
+ *
+ * @param name         Name to resolve
+ * @param *ip          Pointer to the ip address string
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcResolveWinsByName(const char *name, char **ip);
+
+/**
+ * @brief Resolve an IP address via WINS into a NetbiosName
+ *
+ * @param ip          The ip address string
+ * @param *name       Pointer to the name
+ *
+ * @return #wbcErr
+ *
+ **/
+wbcErr wbcResolveWinsByIP(const char *ip, char **name);
+
+/**********************************************************
+ * Trusted domain functions
+ **********************************************************/
+
+/**
+ * @brief Trigger a verification of the trust credentials of a specific domain
+ *
+ * @param *domain      The name of the domain.
+ * @param error        Output details on WBC_ERR_AUTH_ERROR
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcCheckTrustCredentials(const char *domain,
+				struct wbcAuthErrorInfo **error);
+
+/**
+ * @brief Trigger a change of the trust credentials for a specific domain
+ *
+ * @param *domain      The name of the domain.
+ * @param error        Output details on WBC_ERR_AUTH_ERROR
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcChangeTrustCredentials(const char *domain,
+				 struct wbcAuthErrorInfo **error);
+
+/**
+ * @brief Trigger a no-op call through the NETLOGON pipe. Low-cost
+ *        version of wbcCheckTrustCredentials
+ *
+ * @param *domain      The name of the domain, only NULL for the default domain is
+ *                     supported yet. Other values than NULL will result in
+ *                     WBC_ERR_NOT_IMPLEMENTED.
+ * @param error        Output details on WBC_ERR_AUTH_ERROR
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcPingDc(const char *domain, struct wbcAuthErrorInfo **error);
+
+/**
+ * @brief Trigger a no-op call through the NETLOGON pipe. Low-cost
+ *        version of wbcCheckTrustCredentials
+ *
+ * @param *domain      The name of the domain, only NULL for the default domain is
+ *                     supported yet. Other values than NULL will result in
+ *                     WBC_ERR_NOT_IMPLEMENTED.
+ * @param error        Output details on WBC_ERR_AUTH_ERROR
+ * @param dcname       DC that was attempted to ping
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcPingDc2(const char *domain, struct wbcAuthErrorInfo **error,
+		  char **dcname);
+
+/**********************************************************
+ * Helper functions
+ **********************************************************/
+
+/**
+ * @brief Initialize a named blob and add to list of blobs
+ *
+ * @param[in,out] num_blobs     Pointer to the number of blobs
+ * @param[in,out] blobs         Pointer to an array of blobs
+ * @param[in]     name          Name of the new named blob
+ * @param[in]     flags         Flags of the new named blob
+ * @param[in]     data          Blob data of new blob
+ * @param[in]     length        Blob data length of new blob
+ *
+ * @return #wbcErr
+ **/
+wbcErr wbcAddNamedBlob(size_t *num_blobs,
+		       struct wbcNamedBlob **blobs,
+		       const char *name,
+		       uint32_t flags,
+		       uint8_t *data,
+		       size_t length);
+
+#endif      /* _WBCLIENT_H */
diff --git a/nsswitch/libwbclient/wbclient-sssd.pc.in b/nsswitch/libwbclient/wbclient-sssd.pc.in
new file mode 100644
index 00000000000..c7b199b4c08
--- /dev/null
+++ b/nsswitch/libwbclient/wbclient-sssd.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+modulesdir=${prefix}/modules/gensec
+
+Name: wbclient
+Description: Winbind client
+Version: @PACKAGE_VERSION@
+Libs: @LIB_RPATH@ -L${libdir} -lwbclient
+Cflags: -I${includedir}  -DHAVE_IMMEDIATE_STRUCTURES=1
diff --git a/nsswitch/libwbclient/wbclient_sssd.c b/nsswitch/libwbclient/wbclient_sssd.c
new file mode 100644
index 00000000000..2c975f5bcfe
--- /dev/null
+++ b/nsswitch/libwbclient/wbclient_sssd.c
@@ -0,0 +1,39 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind client API - SSSD version
+
+   Copyright (C) Sumit Bose <sbose@redhat.com> 2014
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/* Required Headers */
+
+#include "replace.h"
+#include "libwbclient.h"
+#include "wbc_sssd_internal.h"
+
+wbcErr wbcRequestResponse(int cmd,
+			  struct winbindd_request *request,
+			  struct winbindd_response *response)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
+
+wbcErr wbcRequestResponsePriv(int cmd,
+			      struct winbindd_request *request,
+			      struct winbindd_response *response)
+{
+	WBC_SSSD_NOT_IMPLEMENTED;
+}
diff --git a/nsswitch/libwbclient/wscript b/nsswitch/libwbclient/wscript
index 7632425399f..5413aacfedd 100644
--- a/nsswitch/libwbclient/wscript
+++ b/nsswitch/libwbclient/wscript
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-import Options, Logs
+import Options, Logs, os
 
 # Remember to also update wbclient.h
 VERSION="0.11"
@@ -47,3 +47,30 @@ def build(bld):
                       abi_directory='ABI',
                       abi_match=abi_match,
                       vnum=VERSION)
+
+    if bld.CONFIG_SET('WITH_WBCLIENT_SSSD'):
+        version = "wbclient_%s" % VERSION
+        bld.ABI_VSCRIPT('wbclient', 'ABI', version,
+                        'wbclient-sssd.vscript', abi_match)
+        vscript = os.path.join(bld.path.abspath(bld.env), 'wbclient-sssd.vscript')
+
+        bld.SAMBA_LIBRARY('wbclient-sssd',
+                          source='''
+                                 wbc_guid.c
+                                 wbc_idmap_sssd.c
+                                 wbc_idmap_common.c
+                                 wbclient_sssd.c
+                                 wbclient_common.c
+                                 wbc_pam_sssd.c
+                                 wbc_pwd_sssd.c
+                                 wbc_sid_sssd.c
+                                 wbc_sid_common.c
+                                 wbc_util_sssd.c
+                                 wbc_util_common.c''',
+                          deps='replace sss_nss_idmap',
+                          pc_files='wbclient-sssd.pc',
+                          public_headers='wbclient-sssd.h',
+                          abi_directory='ABI',
+                          abi_match=abi_match,
+                          vscript = vscript,
+                          vnum=VERSION)