1 files changed, 403 insertions, 0 deletions
diff --git a/source3/lib/winbind_util.c b/source3/lib/winbind_util.c
new file mode 100644
index 0000000..7e3f8ab
--- /dev/null
+++ b/source3/lib/winbind_util.c
@@ -0,0 +1,403 @@
+/*
+   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"
+
+#include "lib/winbind_util.h"
+
+#if defined(WITH_WINBIND)
+
+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;
+	struct dom_sid_buf buf;
+
+	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",
+		   dom_sid_str_buf(sid, &buf), 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 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);
+}
+
+bool winbind_xid_to_sid(struct dom_sid *sid, const struct unixid *xid)
+{
+	struct wbcUnixId wbc_xid;
+	struct wbcDomainSid dom_sid;
+	wbcErr result;
+
+	switch (xid->type) {
+	case ID_TYPE_UID:
+		wbc_xid = (struct wbcUnixId) {
+			.type = WBC_ID_TYPE_UID, .id.uid = xid->id
+		};
+		break;
+	case ID_TYPE_GID:
+		wbc_xid = (struct wbcUnixId) {
+			.type = WBC_ID_TYPE_GID, .id.gid = xid->id
+		};
+		break;
+	default:
+		return false;
+	}
+
+	result = wbcUnixIdsToSids(&wbc_xid, 1, &dom_sid);
+	if (result != WBC_ERR_SUCCESS) {
+		return false;
+	}
+
+	memcpy(sid, &dom_sid, sizeof(struct dom_sid));
+	return true;
+}
+
+/* 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_t *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(discard_const_p(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_lookup_usersids(TALLOC_CTX *mem_ctx,
+			     const struct dom_sid *user_sid,
+			     uint32_t *p_num_sids,
+			     struct dom_sid **p_sids)
+{
+	wbcErr ret;
+	struct wbcDomainSid dom_sid;
+	struct wbcDomainSid *sid_list = NULL;
+	uint32_t num_sids;
+
+	memcpy(&dom_sid, user_sid, sizeof(dom_sid));
+
+	ret = wbcLookupUserSids(&dom_sid,
+				false,
+				&num_sids,
+				&sid_list);
+	if (ret != WBC_ERR_SUCCESS) {
+		return false;
+	}
+
+	*p_sids = talloc_array(mem_ctx, struct dom_sid, num_sids);
+	if (*p_sids == NULL) {
+		wbcFreeMemory(sid_list);
+		return false;
+	}
+
+	memcpy(*p_sids, sid_list, sizeof(dom_sid) * num_sids);
+
+	*p_num_sids = num_sids;
+	wbcFreeMemory(sid_list);
+
+	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 SID to gid */
+
+bool winbind_sid_to_gid(gid_t *pgid, const struct dom_sid *sid)
+{
+	return false;
+}
+
+/* Call winbindd to convert uid or gid to SID */
+
+bool winbind_xid_to_sid(struct dom_sid *sid, const struct unixid *xid)
+{
+	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_t *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_lookup_usersids(TALLOC_CTX *mem_ctx,
+			     const struct dom_sid *user_sid,
+			     uint32_t *p_num_sids,
+			     struct dom_sid **p_sids)
+{
+	return false;
+}
+
+#endif     /* WITH_WINBIND */