~lefteris-nikoltsios/+junk/samba-lp1016895

/* 

   Unix SMB/CIFS implementation.

   Winbind Utility functions

   Copyright (C) Gerald (Jerry) Carter   2007

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "includes.h"

#include "../libcli/security/security.h"

#include "../lib/util/util_pw.h"

#include "nsswitch/libwbclient/wbclient.h"

#if defined(WITH_WINBIND)

#include "lib/winbind_util.h"

struct passwd * winbind_getpwnam(const char * name)

{

	wbcErr result;

	struct passwd * tmp_pwd = NULL;

	struct passwd * pwd = NULL;

	result = wbcGetpwnam(name, &tmp_pwd);

	if (result != WBC_ERR_SUCCESS)

		return pwd;

	pwd = tcopy_passwd(talloc_tos(), tmp_pwd);

	wbcFreeMemory(tmp_pwd);

	return pwd;

}

struct passwd * winbind_getpwsid(const struct dom_sid *sid)

{

	wbcErr result;

	struct passwd * tmp_pwd = NULL;

	struct passwd * pwd = NULL;

	struct wbcDomainSid dom_sid;

	memcpy(&dom_sid, sid, sizeof(dom_sid));

	result = wbcGetpwsid(&dom_sid, &tmp_pwd);

	if (result != WBC_ERR_SUCCESS)

		return pwd;

	pwd = tcopy_passwd(talloc_tos(), tmp_pwd);

	wbcFreeMemory(tmp_pwd);

	return pwd;

}

/* Call winbindd to convert a name to a sid */

bool winbind_lookup_name(const char *dom_name, const char *name, struct dom_sid *sid,

                         enum lsa_SidType *name_type)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	enum wbcSidType type;	

	result = wbcLookupName(dom_name, name, &dom_sid, &type);

	if (result != WBC_ERR_SUCCESS)

		return false;

	memcpy(sid, &dom_sid, sizeof(struct dom_sid));

	*name_type = (enum lsa_SidType)type;	

	return true;	

}

/* Call winbindd to convert sid to name */

bool winbind_lookup_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,

			const char **domain, const char **name,

                        enum lsa_SidType *name_type)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	enum wbcSidType type;

	char *domain_name = NULL;

	char *account_name = NULL;

	memcpy(&dom_sid, sid, sizeof(dom_sid));	

	result = wbcLookupSid(&dom_sid, &domain_name, &account_name, &type);

	if (result != WBC_ERR_SUCCESS)

		return false;

	/* Copy out result */

	if (domain) {		

		*domain = talloc_strdup(mem_ctx, domain_name);

	}

	if (name) {

		*name = talloc_strdup(mem_ctx, account_name);

	}

	*name_type = (enum lsa_SidType)type;

	DEBUG(10, ("winbind_lookup_sid: SUCCESS: SID %s -> %s %s\n", 

		   sid_string_dbg(sid), domain_name, account_name));

	wbcFreeMemory(domain_name);

	wbcFreeMemory(account_name);

	if ((domain && !*domain) || (name && !*name)) {		

		DEBUG(0,("winbind_lookup_sid: talloc() failed!\n"));

		return false;

	}	

	return true;

}

/* Ping winbindd to see it is alive */

bool winbind_ping(void)

{

	wbcErr result = wbcPing();

	return (result == WBC_ERR_SUCCESS);

}

/* Call winbindd to convert SID to uid */

bool winbind_sid_to_uid(uid_t *puid, const struct dom_sid *sid)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	memcpy(&dom_sid, sid, sizeof(dom_sid));	

	result = wbcSidToUid(&dom_sid, puid);	

	return (result == WBC_ERR_SUCCESS);	

}

/* Call winbindd to convert uid to sid */

bool winbind_uid_to_sid(struct dom_sid *sid, uid_t uid)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	result = wbcUidToSid(uid, &dom_sid);

	if (result == WBC_ERR_SUCCESS) {

		memcpy(sid, &dom_sid, sizeof(struct dom_sid));

	} else {

		sid_copy(sid, &global_sid_NULL);

	}

	return (result == WBC_ERR_SUCCESS);

}

/* Call winbindd to convert SID to gid */

bool winbind_sid_to_gid(gid_t *pgid, const struct dom_sid *sid)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	memcpy(&dom_sid, sid, sizeof(dom_sid));	

	result = wbcSidToGid(&dom_sid, pgid);	

	return (result == WBC_ERR_SUCCESS);	

}

/* Call winbindd to convert gid to sid */

bool winbind_gid_to_sid(struct dom_sid *sid, gid_t gid)

{

	struct wbcDomainSid dom_sid;

	wbcErr result;

	result = wbcGidToSid(gid, &dom_sid);

	if (result == WBC_ERR_SUCCESS) {

		memcpy(sid, &dom_sid, sizeof(struct dom_sid));

	} else {

		sid_copy(sid, &global_sid_NULL);

	}

	return (result == WBC_ERR_SUCCESS);

}

/* Check for a trusted domain */

wbcErr wb_is_trusted_domain(const char *domain)

{

	wbcErr result;

	struct wbcDomainInfo *info = NULL;

	result = wbcDomainInfo(domain, &info);

	if (WBC_ERROR_IS_OK(result)) {

		wbcFreeMemory(info);

	}

	return result;	

}

/* Lookup a set of rids in a given domain */

bool winbind_lookup_rids(TALLOC_CTX *mem_ctx,

			 const struct dom_sid *domain_sid,

			 int num_rids, uint32 *rids,

			 const char **domain_name,

			 const char ***names, enum lsa_SidType **types)

{

	const char *dom_name = NULL;

	const char **namelist = NULL;

	enum wbcSidType *name_types = NULL;

	struct wbcDomainSid dom_sid;

	wbcErr ret;

	int i;	

	memcpy(&dom_sid, domain_sid, sizeof(struct wbcDomainSid));

	ret = wbcLookupRids(&dom_sid, num_rids, rids,

			    &dom_name, &namelist, &name_types);

	if (ret != WBC_ERR_SUCCESS) {		

		return false;

	}	

	*domain_name = talloc_strdup(mem_ctx, dom_name);

	*names       = TALLOC_ARRAY(mem_ctx, const char*, num_rids);

	*types       = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_rids);

	for(i=0; i<num_rids; i++) {

		(*names)[i] = talloc_strdup(*names, namelist[i]);

		(*types)[i] = (enum lsa_SidType)name_types[i];

	}

	wbcFreeMemory(CONST_DISCARD(char*, dom_name));

	wbcFreeMemory(namelist);

	wbcFreeMemory(name_types);

	return true;	

}

/* Ask Winbind to allocate a new uid for us */

bool winbind_allocate_uid(uid_t *uid)

{

	wbcErr ret;

	ret = wbcAllocateUid(uid);

	return (ret == WBC_ERR_SUCCESS);

}

/* Ask Winbind to allocate a new gid for us */

bool winbind_allocate_gid(gid_t *gid)

{

	wbcErr ret;

	ret = wbcAllocateGid(gid);

	return (ret == WBC_ERR_SUCCESS);

}

bool winbind_get_groups(TALLOC_CTX * mem_ctx, const char *account, uint32_t *num_groups, gid_t **_groups)

{

	wbcErr ret;

	uint32_t ngroups;

	gid_t *group_list = NULL;

	ret = wbcGetGroups(account, &ngroups, &group_list);

	if (ret != WBC_ERR_SUCCESS)

		return false;

	*_groups = TALLOC_ARRAY(mem_ctx, gid_t, ngroups);

	if (*_groups == NULL) {

	    wbcFreeMemory(group_list);

	    return false;

	}

	memcpy(*_groups, group_list, ngroups* sizeof(gid_t));

	*num_groups = ngroups;

	wbcFreeMemory(group_list);

	return true;

}

bool winbind_get_sid_aliases(TALLOC_CTX *mem_ctx,

			     const struct dom_sid *dom_sid,

			     const struct dom_sid *members,

			     size_t num_members,

			     uint32_t **pp_alias_rids,

			     size_t *p_num_alias_rids)

{

	wbcErr ret;

	struct wbcDomainSid domain_sid;

	struct wbcDomainSid *sid_list = NULL;

	size_t i;

	uint32_t * rids;

	uint32_t num_rids;

	memcpy(&domain_sid, dom_sid, sizeof(*dom_sid));

	sid_list = TALLOC_ARRAY(mem_ctx, struct wbcDomainSid, num_members);

	for (i=0; i < num_members; i++) {

	    memcpy(&sid_list[i], &members[i], sizeof(sid_list[i]));

	}

	ret = wbcGetSidAliases(&domain_sid,

			       sid_list,

			       num_members,

			       &rids,

			       &num_rids);

	if (ret != WBC_ERR_SUCCESS) {

		return false;

	}

	*pp_alias_rids = TALLOC_ARRAY(mem_ctx, uint32_t, num_rids);

	if (*pp_alias_rids == NULL) {

		wbcFreeMemory(rids);

		return false;

	}

	memcpy(*pp_alias_rids, rids, sizeof(uint32_t) * num_rids);

	*p_num_alias_rids = num_rids;

	wbcFreeMemory(rids);

	return true;

}

#else      /* WITH_WINBIND */

struct passwd * winbind_getpwnam(const char * name)

{

	return NULL;

}

struct passwd * winbind_getpwsid(const struct dom_sid *sid)

{

	return NULL;

}

bool winbind_lookup_name(const char *dom_name, const char *name, struct dom_sid *sid,

                         enum lsa_SidType *name_type)

{

	return false;

}

/* Call winbindd to convert sid to name */

bool winbind_lookup_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,

			const char **domain, const char **name,

                        enum lsa_SidType *name_type)

{

	return false;

}

/* Ping winbindd to see it is alive */

bool winbind_ping(void)

{

	return false;

}

/* Call winbindd to convert SID to uid */

bool winbind_sid_to_uid(uid_t *puid, const struct dom_sid *sid)

{

	return false;

}

/* Call winbindd to convert uid to sid */

bool winbind_uid_to_sid(struct dom_sid *sid, uid_t uid)

{

	return false;

}

/* Call winbindd to convert SID to gid */

bool winbind_sid_to_gid(gid_t *pgid, const struct dom_sid *sid)

{

	return false;	

}

/* Call winbindd to convert gid to sid */

bool winbind_gid_to_sid(struct dom_sid *sid, gid_t gid)

{

	return false;

}

/* Check for a trusted domain */

wbcErr wb_is_trusted_domain(const char *domain)

{

	return WBC_ERR_UNKNOWN_FAILURE;

}

/* Lookup a set of rids in a given domain */

bool winbind_lookup_rids(TALLOC_CTX *mem_ctx,

			 const struct dom_sid *domain_sid,

			 int num_rids, uint32 *rids,

			 const char **domain_name,

			 const char ***names, enum lsa_SidType **types)

{

	return false;

}

/* Ask Winbind to allocate a new uid for us */

bool winbind_allocate_uid(uid_t *uid)

{

	return false;

}

/* Ask Winbind to allocate a new gid for us */

bool winbind_allocate_gid(gid_t *gid)

{

	return false;

}

bool winbind_get_groups(TALLOC_CTX *mem_ctx, const char *account, uint32_t *num_groups, gid_t **_groups)

{

	return false;

}

bool winbind_get_sid_aliases(TALLOC_CTX *mem_ctx,

			     const struct dom_sid *dom_sid,

			     const struct dom_sid *members,

			     size_t num_members,

			     uint32_t **pp_alias_rids,

			     size_t *p_num_alias_rids)

{

	return false;

}

#endif     /* WITH_WINBIND */