/*
* lsar_lookup_sids3
*
* This function is only valid if the remote RPC server is a domain
* controller and requires the security extensions defined in MS-RPCE.
*
* Domain controllers will return RPC_NT_PROTSEQ_NOT_SUPPORTED here
* because we don't support the RPC_C_AUTHN_NETLOGON security provider.
* Non-domain controllers will return NT_STATUS_INVALID_SERVER_STATE.
*/
static uint32_t /*LINTED E_STATIC_UNUSED*/
lsar_lookup_sids3(mlsvc_handle_t *lsa_handle, lsa_sid_t *sid,
smb_account_t *account)
{
struct lsar_lookup_sids3 arg;
lsar_translated_name_ex_t *name_entry;
struct mslsa_lup_sid_entry sid_entry;
struct mslsa_domain_entry *domain_entry;
uint32_t status = NT_STATUS_SUCCESS;
char *name;
int opnum = LSARPC_OPNUM_LookupSids3;
bzero(&arg, sizeof (struct lsar_lookup_sids3));
sid_entry.psid = sid;
arg.lup_sid_table.n_entry = 1;
arg.lup_sid_table.entries = &sid_entry;
arg.lookup_level = LSA_LOOKUP_WKSTA;
arg.client_revision = LSA_CLIENT_REVISION_AD;
if (ndr_rpc_call(lsa_handle, opnum, &arg) != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_INVALID_PARAMETER);
}
if (arg.status != NT_STATUS_SUCCESS) {
ndr_rpc_status(lsa_handle, opnum, arg.status);
ndr_rpc_release(lsa_handle);
if (arg.status == RPC_NT_PROTSEQ_NOT_SUPPORTED ||
arg.status == NT_STATUS_INVALID_SERVER_STATE)
return (NT_STATUS_INVALID_PARAMETER);
return (NT_SC_VALUE(arg.status));
}
if (arg.mapped_count == 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
name_entry = &arg.name_table.entries[0];
if (name_entry->domain_ix != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
name = (char *)name_entry->name.str;
account->a_name = (name) ? strdup(name) : strdup("");
account->a_type = name_entry->sid_name_use;
account->a_sid = smb_sid_dup((smb_sid_t *)sid);
(void) smb_sid_getrid(account->a_sid, &account->a_rid);
domain_entry = &arg.domain_table->entries[0];
if ((name = (char *)domain_entry->domain_name.str) != NULL)
account->a_domain = strdup(name);
account->a_domsid = smb_sid_dup((smb_sid_t *)domain_entry->domain_sid);
ndr_rpc_release(lsa_handle);
return (status);
}
/*
* lsar_lookup_sids1
*/
static uint32_t
lsar_lookup_sids1(mlsvc_handle_t *lsa_handle, lsa_sid_t *sid,
smb_account_t *account)
{
struct mslsa_LookupSids arg;
struct mslsa_lup_sid_entry sid_entry;
struct mslsa_name_entry *name_entry;
struct mslsa_domain_entry *domain_entry;
uint32_t status = NT_STATUS_SUCCESS;
char *name;
int opnum = LSARPC_OPNUM_LookupSids;
bzero(&arg, sizeof (struct mslsa_LookupSids));
(void) memcpy(&arg.handle, lsa_handle, sizeof (mslsa_handle_t));
arg.lookup_level = LSA_LOOKUP_WKSTA;
sid_entry.psid = sid;
arg.lup_sid_table.n_entry = 1;
arg.lup_sid_table.entries = &sid_entry;
if (ndr_rpc_call(lsa_handle, opnum, &arg) != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_INVALID_PARAMETER);
}
if (arg.status != NT_STATUS_SUCCESS) {
ndr_rpc_status(lsa_handle, opnum, arg.status);
ndr_rpc_release(lsa_handle);
return (NT_SC_VALUE(arg.status));
}
if (arg.mapped_count == 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
name_entry = &arg.name_table.entries[0];
if (name_entry->domain_ix != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
name = (char *)name_entry->name.str;
account->a_name = (name) ? strdup(name) : strdup("");
account->a_type = name_entry->sid_name_use;
account->a_sid = smb_sid_dup((smb_sid_t *)sid);
(void) smb_sid_getrid(account->a_sid, &account->a_rid);
domain_entry = &arg.domain_table->entries[0];
if ((name = (char *)domain_entry->domain_name.str) != NULL)
account->a_domain = strdup(name);
account->a_domsid = smb_sid_dup((smb_sid_t *)domain_entry->domain_sid);
ndr_rpc_release(lsa_handle);
return (status);
}
/*
* lsar_lookup_names4
*
* This function is only valid if the remote RPC server is a domain
* controller and requires the security extensions defined in MS-RPCE.
*
* Domain controllers will return RPC_NT_PROTSEQ_NOT_SUPPORTED here
* because we don't support the RPC_C_AUTHN_NETLOGON security provider.
* Non-domain controllers will return NT_STATUS_INVALID_SERVER_STATE.
*/
static uint32_t /*LINTED E_STATIC_UNUSED*/
lsar_lookup_names4(mlsvc_handle_t *lsa_handle, lsa_names_t *names,
smb_account_t *info)
{
struct lsar_LookupNames4 arg;
lsar_translated_sid_ex2_t *sid_entry;
struct mslsa_domain_entry *domain_entry;
uint32_t status = NT_STATUS_SUCCESS;
char *domname;
int opnum = LSARPC_OPNUM_LookupNames4;
bzero(&arg, sizeof (struct lsar_LookupNames4));
arg.lookup_level = LSA_LOOKUP_WKSTA;
arg.client_revision = LSA_CLIENT_REVISION_AD;
arg.name_table = (struct mslsa_lup_name_table *)names;
if (ndr_rpc_call(lsa_handle, opnum, &arg) != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_INVALID_PARAMETER);
}
if (arg.status != NT_STATUS_SUCCESS) {
ndr_rpc_status(lsa_handle, opnum, arg.status);
ndr_rpc_release(lsa_handle);
if (arg.status == RPC_NT_PROTSEQ_NOT_SUPPORTED ||
arg.status == NT_STATUS_INVALID_SERVER_STATE)
return (NT_STATUS_INVALID_PARAMETER);
return (NT_SC_VALUE(arg.status));
}
if (arg.mapped_count == 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
sid_entry = &arg.translated_sids.sids[0];
if (sid_entry->domain_index != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
domain_entry = &arg.domain_table->entries[0];
info->a_type = sid_entry->sid_name_use;
info->a_domsid = smb_sid_dup((smb_sid_t *)domain_entry->domain_sid);
if ((domname = (char *)domain_entry->domain_name.str) != NULL)
info->a_domain = strdup(domname);
info->a_sid = smb_sid_dup((smb_sid_t *)sid_entry->sid);
(void) smb_sid_getrid(info->a_sid, &info->a_rid);
ndr_rpc_release(lsa_handle);
return (status);
}
/*
* Lookup well known accounts table
*
* Return status:
*
* NT_STATUS_SUCCESS Account is translated successfully
* NT_STATUS_NOT_FOUND This is not a well known account
* NT_STATUS_NONE_MAPPED Account is found but domains don't match
* NT_STATUS_NO_MEMORY Memory shortage
* NT_STATUS_INTERNAL_ERROR Internal error/unexpected failure
*/
static uint32_t
lsa_lookup_name_builtin(char *domain, char *name, smb_account_t *info)
{
smb_wka_t *wka;
char *wkadom;
bzero(info, sizeof (smb_account_t));
if ((wka = smb_wka_lookup_name(name)) == NULL)
return (NT_STATUS_NOT_FOUND);
if ((wkadom = smb_wka_get_domain(wka->wka_domidx)) == NULL)
return (NT_STATUS_INTERNAL_ERROR);
if ((domain != NULL) && (smb_strcasecmp(domain, wkadom, 0) != 0))
return (NT_STATUS_NONE_MAPPED);
info->a_name = strdup(name);
info->a_sid = smb_sid_dup(wka->wka_binsid);
info->a_domain = strdup(wkadom);
info->a_domsid = smb_sid_split(wka->wka_binsid, &info->a_rid);
info->a_type = wka->wka_type;
if (!smb_account_validate(info)) {
smb_account_free(info);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
/*
* Lookup well known accounts table for the given SID
*
* Return status:
*
* NT_STATUS_SUCCESS Account is translated successfully
* NT_STATUS_NOT_FOUND This is not a well known account
* NT_STATUS_NO_MEMORY Memory shortage
* NT_STATUS_INTERNAL_ERROR Internal error/unexpected failure
*/
static uint32_t
lsa_lookup_sid_builtin(smb_sid_t *sid, smb_account_t *ainfo)
{
smb_wka_t *wka;
char *wkadom;
bzero(ainfo, sizeof (smb_account_t));
if ((wka = smb_wka_lookup_sid(sid)) == NULL)
return (NT_STATUS_NOT_FOUND);
if ((wkadom = smb_wka_get_domain(wka->wka_domidx)) == NULL)
return (NT_STATUS_INTERNAL_ERROR);
ainfo->a_name = strdup(wka->wka_name);
ainfo->a_sid = smb_sid_dup(wka->wka_binsid);
ainfo->a_domain = strdup(wkadom);
ainfo->a_domsid = smb_sid_split(ainfo->a_sid, &ainfo->a_rid);
ainfo->a_type = wka->wka_type;
if (!smb_account_validate(ainfo)) {
smb_account_free(ainfo);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
/*
* samr_lookup_domain
*
* Lookup up the domain SID for the specified domain name. The handle
* should be one returned from samr_connect. The allocated memory for
* the returned SID must be freed by caller.
*/
smb_sid_t *
samr_lookup_domain(mlsvc_handle_t *samr_handle, char *domain_name)
{
struct samr_LookupDomain arg;
smb_sid_t *domsid = NULL;
int opnum;
size_t length;
if (ndr_is_null_handle(samr_handle) || domain_name == NULL)
return (NULL);
opnum = SAMR_OPNUM_LookupDomain;
bzero(&arg, sizeof (struct samr_LookupDomain));
(void) memcpy(&arg.handle, &samr_handle->handle,
sizeof (samr_handle_t));
length = smb_wcequiv_strlen(domain_name);
if (ndr_rpc_server_os(samr_handle) == NATIVE_OS_WIN2000)
length += sizeof (smb_wchar_t);
arg.domain_name.length = length;
arg.domain_name.allosize = length;
arg.domain_name.str = (unsigned char *)domain_name;
if (ndr_rpc_call(samr_handle, opnum, &arg) == 0)
domsid = smb_sid_dup((smb_sid_t *)arg.sid);
ndr_rpc_release(samr_handle);
return (domsid);
}
/*
* lsar_enum_accounts
*
* Enumerate the list of accounts (i.e. SIDs). Use the handle returned
* from lsa_open_policy2. The enum_context is used to support multiple
* calls to this enumeration function. It should be set to 0 on the
* first call. It will be updated by the domain controller and should
* simply be passed unchanged to subsequent calls until there are no
* more accounts. A warning status of 0x1A indicates that no more data
* is available. The list of accounts will be returned in accounts.
* This list is dynamically allocated using malloc, it should be freed
* by the caller when it is no longer required.
*/
int
lsar_enum_accounts(mlsvc_handle_t *lsa_handle, DWORD *enum_context,
struct mslsa_EnumAccountBuf *accounts)
{
struct mslsa_EnumerateAccounts arg;
struct mslsa_AccountInfo *info;
int opnum;
int rc;
DWORD n_entries;
DWORD i;
int nbytes;
if (lsa_handle == NULL || enum_context == NULL || accounts == NULL)
return (-1);
accounts->entries_read = 0;
accounts->info = 0;
opnum = LSARPC_OPNUM_EnumerateAccounts;
bzero(&arg, sizeof (struct mslsa_EnumerateAccounts));
(void) memcpy(&arg.handle, lsa_handle, sizeof (mslsa_handle_t));
arg.enum_context = *enum_context;
arg.max_length = MLSVC_MAX_RESPONSE_LEN;
rc = ndr_rpc_call(lsa_handle, opnum, &arg);
if (rc == 0) {
if (arg.status != 0) {
if (arg.status == NT_STATUS_NO_MORE_ENTRIES) {
*enum_context = arg.enum_context;
} else {
ndr_rpc_status(lsa_handle, opnum, arg.status);
rc = -1;
}
} else if (arg.enum_buf->entries_read != 0) {
n_entries = arg.enum_buf->entries_read;
nbytes = n_entries * sizeof (struct mslsa_AccountInfo);
if ((info = malloc(nbytes)) == NULL) {
ndr_rpc_release(lsa_handle);
return (-1);
}
for (i = 0; i < n_entries; ++i)
info[i].sid = (lsa_sid_t *)smb_sid_dup(
(smb_sid_t *)arg.enum_buf->info[i].sid);
accounts->entries_read = n_entries;
accounts->info = info;
*enum_context = arg.enum_context;
}
}
ndr_rpc_release(lsa_handle);
return (rc);
}
/*
* Converts groups information in the returned structure by domain controller
* (info3) to an internal representation (gids)
*/
static uint32_t
netr_setup_domain_groups(struct netr_validation_info3 *info3, smb_ids_t *gids)
{
smb_sid_t *domain_sid;
smb_id_t *ids;
int i, total_cnt;
if ((i = info3->GroupCount) == 0)
i++;
i += info3->SidCount;
total_cnt = gids->i_cnt + i;
gids->i_ids = realloc(gids->i_ids, total_cnt * sizeof (smb_id_t));
if (gids->i_ids == NULL)
return (NT_STATUS_NO_MEMORY);
domain_sid = (smb_sid_t *)info3->LogonDomainId;
ids = gids->i_ids + gids->i_cnt;
for (i = 0; i < info3->GroupCount; i++, gids->i_cnt++, ids++) {
ids->i_sid = smb_sid_splice(domain_sid, info3->GroupIds[i].rid);
if (ids->i_sid == NULL)
return (NT_STATUS_NO_MEMORY);
ids->i_attrs = info3->GroupIds[i].attributes;
}
if (info3->GroupCount == 0) {
/*
* if there's no global group should add the primary group.
*/
ids->i_sid = smb_sid_splice(domain_sid, info3->PrimaryGroupId);
if (ids->i_sid == NULL)
return (NT_STATUS_NO_MEMORY);
ids->i_attrs = 0x7;
gids->i_cnt++;
ids++;
}
/* Add the extra SIDs */
for (i = 0; i < info3->SidCount; i++, gids->i_cnt++, ids++) {
ids->i_sid = smb_sid_dup((smb_sid_t *)info3->ExtraSids[i].sid);
if (ids->i_sid == NULL)
return (NT_STATUS_NO_MEMORY);
ids->i_attrs = info3->ExtraSids[i].attributes;
}
return (NT_STATUS_SUCCESS);
}
/*
* Lookup local SMB group account database (/var/smb/smbgroup.db)
* The memory for the returned SID must be freed by the caller.
*/
static uint32_t
smb_sam_lookup_group(char *name, smb_sid_t **sid)
{
smb_group_t grp;
if (smb_lgrp_getbyname(name, &grp) != SMB_LGRP_SUCCESS)
return (NT_STATUS_NO_SUCH_ALIAS);
*sid = smb_sid_dup(grp.sg_id.gs_sid);
smb_lgrp_free(&grp);
return ((*sid == NULL) ? NT_STATUS_NO_MEMORY : NT_STATUS_SUCCESS);
}
/*
* lsar_lookup_names2
*/
static uint32_t
lsar_lookup_names2(mlsvc_handle_t *lsa_handle, lsa_names_t *names,
smb_account_t *info)
{
struct lsar_LookupNames2 arg;
struct lsar_rid_entry2 *rid_entry;
struct mslsa_domain_entry *domain_entry;
uint32_t status = NT_STATUS_SUCCESS;
char *domname;
int opnum = LSARPC_OPNUM_LookupNames2;
bzero(&arg, sizeof (struct lsar_LookupNames2));
(void) memcpy(&arg.policy_handle, lsa_handle, sizeof (mslsa_handle_t));
arg.lookup_level = LSA_LOOKUP_WKSTA;
arg.client_revision = LSA_CLIENT_REVISION_AD;
arg.name_table = (struct mslsa_lup_name_table *)names;
if (ndr_rpc_call(lsa_handle, opnum, &arg) != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_INVALID_PARAMETER);
}
if (arg.status != NT_STATUS_SUCCESS) {
ndr_rpc_status(lsa_handle, opnum, arg.status);
ndr_rpc_release(lsa_handle);
return (NT_SC_VALUE(arg.status));
}
if (arg.mapped_count == 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
rid_entry = &arg.translated_sids.rids[0];
if (rid_entry->domain_index != 0) {
ndr_rpc_release(lsa_handle);
return (NT_STATUS_NONE_MAPPED);
}
domain_entry = &arg.domain_table->entries[0];
info->a_type = rid_entry->sid_name_use;
info->a_domsid = smb_sid_dup((smb_sid_t *)domain_entry->domain_sid);
if ((domname = (char *)domain_entry->domain_name.str) != NULL)
info->a_domain = strdup(domname);
info->a_rid = rid_entry->rid;
info->a_sid = smb_sid_splice(info->a_domsid, info->a_rid);
ndr_rpc_release(lsa_handle);
return (status);
}
/*
* smb_acl_from_zfs
*
* Converts given ZFS ACL to a Windows ACL.
*
* A pointer to allocated memory for the Win ACL will be
* returned upon successful conversion.
*/
smb_acl_t *
smb_acl_from_zfs(acl_t *zacl)
{
ace_t *zace;
int numaces;
smb_acl_t *acl;
smb_ace_t *ace;
smb_idmap_batch_t sib;
smb_idmap_t *sim;
idmap_stat idm_stat;
idm_stat = smb_idmap_batch_create(&sib, zacl->acl_cnt,
SMB_IDMAP_ID2SID);
if (idm_stat != IDMAP_SUCCESS)
return (NULL);
if (smb_fsacl_getsids(&sib, zacl) != IDMAP_SUCCESS) {
smb_idmap_batch_destroy(&sib);
return (NULL);
}
acl = smb_acl_alloc(ACL_REVISION, SMB_ACL_HDRSIZE, zacl->acl_cnt);
sim = sib.sib_maps;
for (numaces = 0, zace = zacl->acl_aclp;
numaces < zacl->acl_cnt;
zace++, numaces++, sim++) {
ASSERT(sim->sim_sid);
if (sim->sim_sid == NULL) {
smb_acl_free(acl);
acl = NULL;
break;
}
ace = &acl->sl_aces[numaces];
ace->se_hdr.se_type = zace->a_type;
ace->se_hdr.se_flags = smb_ace_flags_fromzfs(zace->a_flags);
ace->se_mask = zace->a_access_mask;
ace->se_sid = smb_sid_dup(sim->sim_sid);
ace->se_hdr.se_bsize = smb_ace_len(ace);
acl->sl_bsize += ace->se_hdr.se_bsize;
}
smb_idmap_batch_destroy(&sib);
return (acl);
}
smb_sid_t *
smb_sid_fromstr(const char *sidstr)
{
smb_sid_t *sid;
smb_sid_t *retsid;
const char *p;
int size;
uint8_t i;
unsigned long sua;
if (sidstr == NULL)
return (NULL);
if (strncmp(sidstr, "S-1-", 4) != 0)
return (NULL);
size = sizeof (smb_sid_t) + (NT_SID_SUBAUTH_MAX * sizeof (uint32_t));
sid = kmem_zalloc(size, KM_SLEEP);
sid->sid_revision = NT_SID_REVISION;
sua = 0;
(void) ddi_strtoul(&sidstr[4], 0, 10, &sua);
sid->sid_authority[5] = (uint8_t)sua;
for (i = 0, p = &sidstr[5]; i < NT_SID_SUBAUTH_MAX && *p; ++i) {
while (*p && *p == '-')
++p;
if (*p < '0' || *p > '9') {
kmem_free(sid, size);
return (NULL);
}
sua = 0;
(void) ddi_strtoul(p, 0, 10, &sua);
sid->sid_subauth[i] = (uint32_t)sua;
while (*p && *p != '-')
++p;
}
sid->sid_subauthcnt = i;
retsid = smb_sid_dup(sid);
kmem_free(sid, size);
return (retsid);
}
/*
* smb_sid_split
*
* Take a full sid and split it into a domain sid and a relative id (rid).
* The domain SID is allocated and a pointer to it will be returned. The
* RID value is passed back in 'rid' arg if it's not NULL. The allocated
* memory for the domain SID must be freed by caller.
*/
smb_sid_t *
smb_sid_split(smb_sid_t *sid, uint32_t *rid)
{
smb_sid_t *domsid;
if (!smb_sid_isvalid(sid) || (sid->sid_subauthcnt == 0))
return (NULL);
if ((domsid = smb_sid_dup(sid)) == NULL)
return (NULL);
--domsid->sid_subauthcnt;
if (rid)
*rid = domsid->sid_subauth[domsid->sid_subauthcnt];
return (domsid);
}
/*
* Looks up the given name in local account databases:
*
* SMB Local users are looked up in /var/smb/smbpasswd
* SMB Local groups are looked up in /var/smb/smbgroup.db
*
* If the account is found, its information is populated
* in the passed smb_account_t structure. Caller must free
* allocated memories by calling smb_account_free() upon
* successful return.
*
* The type of account is specified by 'type', which can be user,
* alias (local group) or unknown. If the caller doesn't know
* whether the name is a user or group name then SidTypeUnknown
* should be passed.
*
* If a local user and group have the same name, the user will
* always be picked. Note that this situation cannot happen on
* Windows systems.
*
* If a SMB local user/group is found but it turns out that
* it'll be mapped to a domain user/group the lookup is considered
* failed and NT_STATUS_NONE_MAPPED is returned.
*
* Return status:
*
* NT_STATUS_NOT_FOUND This is not a local account
* NT_STATUS_NONE_MAPPED It's a local account but cannot be
* translated.
* other error status codes.
*/
uint32_t
smb_sam_lookup_name(char *domain, char *name, uint16_t type,
smb_account_t *account)
{
smb_domain_t di;
smb_sid_t *sid;
uint32_t status;
smb_lwka_t *lwka;
bzero(account, sizeof (smb_account_t));
if (domain != NULL) {
if (!smb_domain_lookup_name(domain, &di) ||
(di.di_type != SMB_DOMAIN_LOCAL))
return (NT_STATUS_NOT_FOUND);
/* Only Netbios hostname is accepted */
if (smb_strcasecmp(domain, di.di_nbname, 0) != 0)
return (NT_STATUS_NONE_MAPPED);
} else {
if (!smb_domain_lookup_type(SMB_DOMAIN_LOCAL, &di))
return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
}
if (smb_strcasecmp(name, di.di_nbname, 0) == 0) {
/* This is the local domain name */
account->a_type = SidTypeDomain;
account->a_name = strdup("");
account->a_domain = strdup(di.di_nbname);
account->a_sid = smb_sid_dup(di.di_binsid);
account->a_domsid = smb_sid_dup(di.di_binsid);
account->a_rid = (uint32_t)-1;
if (!smb_account_validate(account)) {
smb_account_free(account);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
if ((lwka = smb_lwka_lookup_name(name)) != NULL) {
sid = smb_sid_splice(di.di_binsid, lwka->lwka_rid);
type = lwka->lwka_type;
} else {
switch (type) {
case SidTypeUser:
status = smb_sam_lookup_user(name, &sid);
if (status != NT_STATUS_SUCCESS)
return (status);
break;
case SidTypeAlias:
status = smb_sam_lookup_group(name, &sid);
if (status != NT_STATUS_SUCCESS)
return (status);
break;
case SidTypeUnknown:
type = SidTypeUser;
status = smb_sam_lookup_user(name, &sid);
if (status == NT_STATUS_SUCCESS)
break;
if (status == NT_STATUS_NONE_MAPPED)
return (status);
type = SidTypeAlias;
status = smb_sam_lookup_group(name, &sid);
if (status != NT_STATUS_SUCCESS)
return (status);
break;
default:
return (NT_STATUS_INVALID_PARAMETER);
}
}
account->a_name = strdup(name);
account->a_sid = sid;
account->a_domain = strdup(di.di_nbname);
account->a_domsid = smb_sid_split(sid, &account->a_rid);
account->a_type = type;
if (!smb_account_validate(account)) {
smb_account_free(account);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
/*
* Updates a list of groups in which the given user is a member
* by adding any local (SAM) groups.
*
* We are a member of local groups where the local group
* contains either the user's primary SID, or any of their
* other SIDs such as from domain groups, SID history, etc.
* We can have indirect membership via domain groups.
*/
uint32_t
smb_sam_usr_groups(smb_sid_t *user_sid, smb_ids_t *gids)
{
smb_ids_t new_gids;
smb_id_t *ids, *new_ids;
smb_giter_t gi;
smb_group_t lgrp;
int i, gcnt, total_cnt;
uint32_t ret;
boolean_t member;
/*
* First pass: count groups to be added (gcnt)
*/
gcnt = 0;
if (smb_lgrp_iteropen(&gi) != SMB_LGRP_SUCCESS)
return (NT_STATUS_INTERNAL_ERROR);
while (smb_lgrp_iterate(&gi, &lgrp) == SMB_LGRP_SUCCESS) {
member = B_FALSE;
if (smb_lgrp_is_member(&lgrp, user_sid))
member = B_TRUE;
else for (i = 0, ids = gids->i_ids;
i < gids->i_cnt; i++, ids++) {
if (smb_lgrp_is_member(&lgrp, ids->i_sid)) {
member = B_TRUE;
break;
}
}
/* Careful: only count lgrp once */
if (member)
gcnt++;
smb_lgrp_free(&lgrp);
}
smb_lgrp_iterclose(&gi);
if (gcnt == 0)
return (NT_STATUS_SUCCESS);
/*
* Second pass: add to groups list.
* Do not modify gcnt after here.
*/
if (smb_lgrp_iteropen(&gi) != SMB_LGRP_SUCCESS)
return (NT_STATUS_INTERNAL_ERROR);
/*
* Expand the list (copy to a new, larger one)
* Note: were're copying pointers from the old
* array to the new (larger) array, and then
* adding new pointers after what we copied.
*/
ret = 0;
new_gids.i_cnt = gids->i_cnt;
total_cnt = gids->i_cnt + gcnt;
new_gids.i_ids = malloc(total_cnt * sizeof (smb_id_t));
if (new_gids.i_ids == NULL) {
ret = NT_STATUS_NO_MEMORY;
goto out;
}
(void) memcpy(new_gids.i_ids, gids->i_ids,
gids->i_cnt * sizeof (smb_id_t));
new_ids = new_gids.i_ids + gids->i_cnt;
(void) memset(new_ids, 0, gcnt * sizeof (smb_id_t));
/*
* Add group SIDs starting at the end of the
* previous list. (new_ids)
*/
while (smb_lgrp_iterate(&gi, &lgrp) == SMB_LGRP_SUCCESS) {
member = B_FALSE;
if (smb_lgrp_is_member(&lgrp, user_sid))
member = B_TRUE;
else for (i = 0, ids = gids->i_ids;
i < gids->i_cnt; i++, ids++) {
if (smb_lgrp_is_member(&lgrp, ids->i_sid)) {
member = B_TRUE;
break;
}
}
if (member && (new_gids.i_cnt < (gids->i_cnt + gcnt))) {
new_ids->i_sid = smb_sid_dup(lgrp.sg_id.gs_sid);
if (new_ids->i_sid == NULL) {
smb_lgrp_free(&lgrp);
ret = NT_STATUS_NO_MEMORY;
goto out;
}
new_ids->i_attrs = lgrp.sg_attr;
new_ids++;
new_gids.i_cnt++;
}
smb_lgrp_free(&lgrp);
}
out:
smb_lgrp_iterclose(&gi);
if (ret != 0) {
if (new_gids.i_ids != NULL) {
/*
* Free only the new sids we added.
* The old ones were copied ptrs.
*/
ids = new_gids.i_ids + gids->i_cnt;
for (i = 0; i < gcnt; i++, ids++) {
smb_sid_free(ids->i_sid);
}
free(new_gids.i_ids);
}
return (ret);
}
/*
* Success! Update passed gids and
* free the old array.
*/
free(gids->i_ids);
*gids = new_gids;
return (NT_STATUS_SUCCESS);
}
/*
* Looks up the given SID in local account databases:
*
* SMB Local users are looked up in /var/smb/smbpasswd
* SMB Local groups are looked up in /var/smb/smbgroup.db
*
* If the account is found, its information is populated
* in the passed smb_account_t structure. Caller must free
* allocated memories by calling smb_account_free() upon
* successful return.
*
* Return status:
*
* NT_STATUS_NOT_FOUND This is not a local account
* NT_STATUS_NONE_MAPPED It's a local account but cannot be
* translated.
* other error status codes.
*/
uint32_t
smb_sam_lookup_sid(smb_sid_t *sid, smb_account_t *account)
{
char hostname[MAXHOSTNAMELEN];
smb_passwd_t smbpw;
smb_group_t grp;
smb_lwka_t *lwka;
smb_domain_t di;
uint32_t rid;
uid_t id;
int id_type;
int rc;
bzero(account, sizeof (smb_account_t));
if (!smb_domain_lookup_type(SMB_DOMAIN_LOCAL, &di))
return (NT_STATUS_CANT_ACCESS_DOMAIN_INFO);
if (smb_sid_cmp(sid, di.di_binsid)) {
/* This is the local domain SID */
account->a_type = SidTypeDomain;
account->a_name = strdup("");
account->a_domain = strdup(di.di_nbname);
account->a_sid = smb_sid_dup(sid);
account->a_domsid = smb_sid_dup(sid);
account->a_rid = (uint32_t)-1;
if (!smb_account_validate(account)) {
smb_account_free(account);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
if (!smb_sid_indomain(di.di_binsid, sid)) {
/* This is not a local SID */
return (NT_STATUS_NOT_FOUND);
}
if ((lwka = smb_lwka_lookup_sid(sid)) != NULL) {
account->a_type = lwka->lwka_type;
account->a_name = strdup(lwka->lwka_name);
} else {
id_type = SMB_IDMAP_UNKNOWN;
if (smb_idmap_getid(sid, &id, &id_type) != IDMAP_SUCCESS)
return (NT_STATUS_NONE_MAPPED);
switch (id_type) {
case SMB_IDMAP_USER:
account->a_type = SidTypeUser;
if (smb_pwd_getpwuid(id, &smbpw) == NULL)
return (NT_STATUS_NO_SUCH_USER);
account->a_name = strdup(smbpw.pw_name);
break;
case SMB_IDMAP_GROUP:
account->a_type = SidTypeAlias;
(void) smb_sid_getrid(sid, &rid);
rc = smb_lgrp_getbyrid(rid, SMB_DOMAIN_LOCAL, &grp);
if (rc != SMB_LGRP_SUCCESS)
return (NT_STATUS_NO_SUCH_ALIAS);
account->a_name = strdup(grp.sg_name);
smb_lgrp_free(&grp);
break;
default:
return (NT_STATUS_NONE_MAPPED);
}
}
if (smb_getnetbiosname(hostname, MAXHOSTNAMELEN) == 0)
account->a_domain = strdup(hostname);
account->a_sid = smb_sid_dup(sid);
account->a_domsid = smb_sid_split(sid, &account->a_rid);
if (!smb_account_validate(account)) {
smb_account_free(account);
return (NT_STATUS_NO_MEMORY);
}
return (NT_STATUS_SUCCESS);
}
