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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "smbd/globals.h"
+#include "../libcli/auth/libcli_auth.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
-static struct nt_user_token *create_local_nt_token(TALLOC_CTX *mem_ctx,
- const DOM_SID *user_sid,
- BOOL is_guest,
- int num_groupsids,
- const DOM_SID *groupsids);
+/****************************************************************************
+ Ensure primary group SID is always at position 0 in a
+ auth_serversupplied_info struct.
+****************************************************************************/
+
+static void sort_sid_array_for_smbd(auth_serversupplied_info *result,
+ const DOM_SID *pgroup_sid)
+{
+ unsigned int i;
+
+ if (!result->sids) {
+ return;
+ }
+
+ if (sid_compare(&result->sids[0], pgroup_sid)==0) {
+ return;
+ }
+
+ for (i = 1; i < result->num_sids; i++) {
+ if (sid_compare(pgroup_sid,
+ &result->sids[i]) == 0) {
+ sid_copy(&result->sids[i], &result->sids[0]);
+ sid_copy(&result->sids[0], pgroup_sid);
+ return;
+ }
+ }
+}
/****************************************************************************
Create a UNIX user on demand.
****************************************************************************/
-static int smb_create_user(const char *domain, const char *unix_username, const char *homedir)
+static int _smb_create_user(const char *domain, const char *unix_username, const char *homedir)
{
- pstring add_script;
+ TALLOC_CTX *ctx = talloc_tos();
+ char *add_script;
int ret;
- pstrcpy(add_script, lp_adduser_script());
- if (! *add_script)
+ add_script = talloc_strdup(ctx, lp_adduser_script());
+ if (!add_script || !*add_script) {
+ return -1;
+ }
+ add_script = talloc_all_string_sub(ctx,
+ add_script,
+ "%u",
+ unix_username);
+ if (!add_script) {
return -1;
- all_string_sub(add_script, "%u", unix_username, sizeof(pstring));
- if (domain)
- all_string_sub(add_script, "%D", domain, sizeof(pstring));
- if (homedir)
- all_string_sub(add_script, "%H", homedir, sizeof(pstring));
+ }
+ if (domain) {
+ add_script = talloc_all_string_sub(ctx,
+ add_script,
+ "%D",
+ domain);
+ if (!add_script) {
+ return -1;
+ }
+ }
+ if (homedir) {
+ add_script = talloc_all_string_sub(ctx,
+ add_script,
+ "%H",
+ homedir);
+ if (!add_script) {
+ return -1;
+ }
+ }
ret = smbrun(add_script,NULL);
flush_pwnam_cache();
- DEBUG(ret ? 0 : 3,("smb_create_user: Running the command `%s' gave %d\n",add_script,ret));
+ DEBUG(ret ? 0 : 3,
+ ("smb_create_user: Running the command `%s' gave %d\n",
+ add_script,ret));
return ret;
}
Create an auth_usersupplied_data structure
****************************************************************************/
-static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
- const char *smb_name,
+static NTSTATUS make_user_info(auth_usersupplied_info **user_info,
+ const char *smb_name,
const char *internal_username,
- const char *client_domain,
+ const char *client_domain,
const char *domain,
- const char *wksta_name,
+ const char *wksta_name,
DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
- DATA_BLOB *plaintext,
- BOOL encrypted)
+ DATA_BLOB *plaintext,
+ bool encrypted)
{
DEBUG(5,("attempting to make a user_info for %s (%s)\n", internal_username, smb_name));
Create an auth_usersupplied_data structure after appropriate mapping.
****************************************************************************/
-NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
- const char *smb_name,
- const char *client_domain,
- const char *wksta_name,
- DATA_BLOB *lm_pwd, DATA_BLOB *nt_pwd,
- DATA_BLOB *lm_interactive_pwd, DATA_BLOB *nt_interactive_pwd,
- DATA_BLOB *plaintext,
- BOOL encrypted)
+NTSTATUS make_user_info_map(auth_usersupplied_info **user_info,
+ const char *smb_name,
+ const char *client_domain,
+ const char *wksta_name,
+ DATA_BLOB *lm_pwd,
+ DATA_BLOB *nt_pwd,
+ DATA_BLOB *lm_interactive_pwd,
+ DATA_BLOB *nt_interactive_pwd,
+ DATA_BLOB *plaintext,
+ bool encrypted)
{
+ struct smbd_server_connection *sconn = smbd_server_conn;
const char *domain;
NTSTATUS result;
- BOOL was_mapped;
+ bool was_mapped;
fstring internal_username;
fstrcpy(internal_username, smb_name);
- was_mapped = map_username(internal_username);
-
- DEBUG(5, ("make_user_info_map: Mapping user [%s]\\[%s] from workstation [%s]\n",
- client_domain, smb_name, wksta_name));
-
- /* don't allow "" as a domain, fixes a Win9X bug
- where it doens't supply a domain for logon script
- 'net use' commands. */
+ was_mapped = map_username(sconn, internal_username);
- if ( *client_domain )
- domain = client_domain;
- else
- domain = lp_workgroup();
+ DEBUG(5, ("Mapping user [%s]\\[%s] from workstation [%s]\n",
+ client_domain, smb_name, wksta_name));
- /* do what win2k does. Always map unknown domains to our own
- and let the "passdb backend" handle unknown users. */
+ domain = client_domain;
- if ( !is_trusted_domain(domain) && !strequal(domain, get_global_sam_name()) )
- domain = my_sam_name();
-
- /* we know that it is a trusted domain (and we are allowing them) or it is our domain */
-
- result = make_user_info(user_info, smb_name, internal_username,
- client_domain, domain, wksta_name,
+ /* If you connect to a Windows domain member using a bogus domain name,
+ * the Windows box will map the BOGUS\user to SAMNAME\user. Thus, if
+ * the Windows box is a DC the name will become DOMAIN\user and be
+ * authenticated against AD, if the Windows box is a member server but
+ * not a DC the name will become WORKSTATION\user. A standalone
+ * non-domain member box will also map to WORKSTATION\user.
+ * This also deals with the client passing in a "" domain */
+
+ if (!is_trusted_domain(domain) &&
+ !strequal(domain, my_sam_name()))
+ {
+ if (lp_map_untrusted_to_domain())
+ domain = my_sam_name();
+ else
+ domain = get_global_sam_name();
+ DEBUG(5, ("Mapped domain from [%s] to [%s] for user [%s] from "
+ "workstation [%s]\n",
+ client_domain, domain, smb_name, wksta_name));
+ }
+
+ /* We know that the given domain is trusted (and we are allowing them),
+ * it is our global SAM name, or for legacy behavior it is our
+ * primary domain name */
+
+ result = make_user_info(user_info, smb_name, internal_username,
+ client_domain, domain, wksta_name,
lm_pwd, nt_pwd,
lm_interactive_pwd, nt_interactive_pwd,
plaintext, encrypted);
Decrypt and encrypt the passwords.
****************************************************************************/
-BOOL make_user_info_netlogon_network(auth_usersupplied_info **user_info,
+bool make_user_info_netlogon_network(auth_usersupplied_info **user_info,
const char *smb_name,
const char *client_domain,
const char *wksta_name,
const uchar *nt_network_pwd,
int nt_pwd_len)
{
- BOOL ret;
+ bool ret;
NTSTATUS status;
DATA_BLOB lm_blob = data_blob(lm_network_pwd, lm_pwd_len);
DATA_BLOB nt_blob = data_blob(nt_network_pwd, nt_pwd_len);
Decrypt and encrypt the passwords.
****************************************************************************/
-BOOL make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
+bool make_user_info_netlogon_interactive(auth_usersupplied_info **user_info,
const char *smb_name,
const char *client_domain,
const char *wksta_name,
const uchar nt_interactive_pwd[16],
const uchar *dc_sess_key)
{
- char lm_pwd[16];
- char nt_pwd[16];
+ unsigned char lm_pwd[16];
+ unsigned char nt_pwd[16];
unsigned char local_lm_response[24];
unsigned char local_nt_response[24];
unsigned char key[16];
- ZERO_STRUCT(key);
- memcpy(key, dc_sess_key, 8);
+ memcpy(key, dc_sess_key, 16);
if (lm_interactive_pwd)
memcpy(lm_pwd, lm_interactive_pwd, sizeof(lm_pwd));
#ifdef DEBUG_PASSWORD
DEBUG(100,("key:"));
- dump_data(100, (char *)key, sizeof(key));
+ dump_data(100, key, sizeof(key));
DEBUG(100,("lm owf password:"));
dump_data(100, lm_pwd, sizeof(lm_pwd));
#endif
if (lm_interactive_pwd)
- SamOEMhash((uchar *)lm_pwd, key, sizeof(lm_pwd));
+ arcfour_crypt(lm_pwd, key, sizeof(lm_pwd));
if (nt_interactive_pwd)
- SamOEMhash((uchar *)nt_pwd, key, sizeof(nt_pwd));
+ arcfour_crypt(nt_pwd, key, sizeof(nt_pwd));
#ifdef DEBUG_PASSWORD
DEBUG(100,("decrypt of lm owf password:"));
#endif
if (lm_interactive_pwd)
- SMBOWFencrypt((const unsigned char *)lm_pwd, chal,
+ SMBOWFencrypt(lm_pwd, chal,
local_lm_response);
if (nt_interactive_pwd)
- SMBOWFencrypt((const unsigned char *)nt_pwd, chal,
+ SMBOWFencrypt(nt_pwd, chal,
local_nt_response);
/* Password info paranoia */
ZERO_STRUCT(key);
{
- BOOL ret;
+ bool ret;
NTSTATUS nt_status;
DATA_BLOB local_lm_blob;
DATA_BLOB local_nt_blob;
Create an auth_usersupplied_data structure
****************************************************************************/
-BOOL make_user_info_for_reply(auth_usersupplied_info **user_info,
+bool make_user_info_for_reply(auth_usersupplied_info **user_info,
const char *smb_name,
const char *client_domain,
const uint8 chal[8],
#ifdef DEBUG_PASSWORD
DEBUG(10,("Unencrypted password (len %d):\n",
(int)plaintext_password.length));
- dump_data(100, (const char *)plaintext_password.data,
+ dump_data(100, plaintext_password.data,
plaintext_password.length);
#endif
/* We can't do an NT hash here, as the password needs to be
case insensitive */
- local_nt_blob = data_blob(NULL, 0);
+ local_nt_blob = data_blob_null;
} else {
- local_lm_blob = data_blob(NULL, 0);
- local_nt_blob = data_blob(NULL, 0);
+ local_lm_blob = data_blob_null;
+ local_nt_blob = data_blob_null;
}
ret = make_user_info_map(
Create a guest user_info blob, for anonymous authenticaion.
****************************************************************************/
-BOOL make_user_info_guest(auth_usersupplied_info **user_info)
+bool make_user_info_guest(auth_usersupplied_info **user_info)
{
NTSTATUS nt_status;
return NT_STATUS_IS_OK(nt_status) ? True : False;
}
-/****************************************************************************
- prints a NT_USER_TOKEN to debug output.
-****************************************************************************/
-
-void debug_nt_user_token(int dbg_class, int dbg_lev, NT_USER_TOKEN *token)
-{
- size_t i;
-
- if (!token) {
- DEBUGC(dbg_class, dbg_lev, ("NT user token: (NULL)\n"));
- return;
- }
-
- DEBUGC(dbg_class, dbg_lev,
- ("NT user token of user %s\n",
- sid_string_static(&token->user_sids[0]) ));
- DEBUGADDC(dbg_class, dbg_lev,
- ("contains %lu SIDs\n", (unsigned long)token->num_sids));
- for (i = 0; i < token->num_sids; i++)
- DEBUGADDC(dbg_class, dbg_lev,
- ("SID[%3lu]: %s\n", (unsigned long)i,
- sid_string_static(&token->user_sids[i])));
-
- dump_se_priv( dbg_class, dbg_lev, &token->privileges );
-}
-
-/****************************************************************************
- prints a UNIX 'token' to debug output.
-****************************************************************************/
-
-void debug_unix_user_token(int dbg_class, int dbg_lev, uid_t uid, gid_t gid,
- int n_groups, gid_t *groups)
-{
- int i;
- DEBUGC(dbg_class, dbg_lev,
- ("UNIX token of user %ld\n", (long int)uid));
-
- DEBUGADDC(dbg_class, dbg_lev,
- ("Primary group is %ld and contains %i supplementary "
- "groups\n", (long int)gid, n_groups));
- for (i = 0; i < n_groups; i++)
- DEBUGADDC(dbg_class, dbg_lev, ("Group[%3i]: %ld\n", i,
- (long int)groups[i]));
-}
-
-/******************************************************************************
- Create a token for the root user to be used internally by smbd.
- This is similar to running under the context of the LOCAL_SYSTEM account
- in Windows. This is a read-only token. Do not modify it or free() it.
- Create a copy if your need to change it.
-******************************************************************************/
-
-NT_USER_TOKEN *get_root_nt_token( void )
-{
- static NT_USER_TOKEN *token = NULL;
- DOM_SID u_sid, g_sid;
- struct passwd *pw;
-
- if ( token )
- return token;
-
- if ( !(pw = sys_getpwnam( "root" )) ) {
- DEBUG(0,("get_root_nt_token: getpwnam\"root\") failed!\n"));
- return NULL;
- }
-
- /* get the user and primary group SIDs; although the
- BUILTIN\Administrators SId is really the one that matters here */
-
- uid_to_sid(&u_sid, pw->pw_uid);
- gid_to_sid(&g_sid, pw->pw_gid);
-
- token = create_local_nt_token(NULL, &u_sid, False,
- 1, &global_sid_Builtin_Administrators);
- return token;
-}
-
static int server_info_dtor(auth_serversupplied_info *server_info)
{
TALLOC_FREE(server_info->sam_account);
which may save us from giving away root access if there
is a bug in allocating these fields. */
- result->uid = -1;
- result->gid = -1;
+ result->utok.uid = -1;
+ result->utok.gid = -1;
return result;
}
+static char *sanitize_username(TALLOC_CTX *mem_ctx, const char *username)
+{
+ fstring tmp;
+
+ alpha_strcpy(tmp, username, ". _-$", sizeof(tmp));
+ return talloc_strdup(mem_ctx, tmp);
+}
+
+/***************************************************************************
+ Is the incoming username our own machine account ?
+ If so, the connection is almost certainly from winbindd.
+***************************************************************************/
+
+static bool is_our_machine_account(const char *username)
+{
+ bool ret;
+ char *truncname = NULL;
+ size_t ulen = strlen(username);
+
+ if (ulen == 0 || username[ulen-1] != '$') {
+ return false;
+ }
+ truncname = SMB_STRDUP(username);
+ if (!truncname) {
+ return false;
+ }
+ truncname[ulen-1] = '\0';
+ ret = strequal(truncname, global_myname());
+ SAFE_FREE(truncname);
+ return ret;
+}
+
/***************************************************************************
Make (and fill) a user_info struct from a struct samu
***************************************************************************/
-NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
+NTSTATUS make_server_info_sam(auth_serversupplied_info **server_info,
struct samu *sampass)
{
- NTSTATUS status;
struct passwd *pwd;
gid_t *gids;
auth_serversupplied_info *result;
- int i;
- size_t num_gids;
- DOM_SID unix_group_sid;
-
+ const char *username = pdb_get_username(sampass);
+ NTSTATUS status;
+
+ if ( !(result = make_server_info(NULL)) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
- if ( !(pwd = getpwnam_alloc(NULL, pdb_get_username(sampass))) ) {
+ if ( !(pwd = getpwnam_alloc(result, username)) ) {
DEBUG(1, ("User %s in passdb, but getpwnam() fails!\n",
pdb_get_username(sampass)));
+ TALLOC_FREE(result);
return NT_STATUS_NO_SUCH_USER;
}
- if ( !(result = make_server_info(NULL)) ) {
- TALLOC_FREE(pwd);
+ result->sam_account = sampass;
+ result->unix_name = pwd->pw_name;
+ /* Ensure that we keep pwd->pw_name, because we will free pwd below */
+ talloc_steal(result, pwd->pw_name);
+ result->utok.gid = pwd->pw_gid;
+ result->utok.uid = pwd->pw_uid;
+
+ TALLOC_FREE(pwd);
+
+ result->sanitized_username = sanitize_username(result,
+ result->unix_name);
+ if (result->sanitized_username == NULL) {
+ TALLOC_FREE(result);
return NT_STATUS_NO_MEMORY;
}
- result->sam_account = sampass;
- result->unix_name = talloc_strdup(result, pwd->pw_name);
- result->gid = pwd->pw_gid;
- result->uid = pwd->pw_uid;
-
- TALLOC_FREE(pwd);
+ if (IS_DC && is_our_machine_account(username)) {
+ /*
+ * Ensure for a connection from our own
+ * machine account (from winbindd on a DC)
+ * there are no supplementary groups.
+ * Prevents loops in calling gid_to_sid().
+ */
+ result->sids = NULL;
+ gids = NULL;
+ result->num_sids = 0;
- status = pdb_enum_group_memberships(result, sampass,
+ /*
+ * This is a hack of monstrous proportions.
+ * If we know it's winbindd talking to us,
+ * we know we must never recurse into it,
+ * so turn off contacting winbindd for this
+ * entire process. This will get fixed when
+ * winbindd doesn't need to talk to smbd on
+ * a PDC. JRA.
+ */
+
+ (void)winbind_off();
+
+ DEBUG(10, ("make_server_info_sam: our machine account %s "
+ "setting supplementary group list empty and "
+ "turning off winbindd requests.\n",
+ username));
+ } else {
+ status = pdb_enum_group_memberships(result, sampass,
&result->sids, &gids,
&result->num_sids);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
- nt_errstr(status)));
- result->sam_account = NULL; /* Don't free on error exit. */
- TALLOC_FREE(result);
- return status;
- }
-
- /* Add the "Unix Group" SID for each gid to catch mapped groups
- and their Unix equivalent. This is to solve the backwards
- compatibility problem of 'valid users = +ntadmin' where
- ntadmin has been paired with "Domain Admins" in the group
- mapping table. Otherwise smb.conf would need to be changed
- to 'valid user = "Domain Admins"'. --jerry */
-
- num_gids = result->num_sids;
- for ( i=0; i<num_gids; i++ ) {
- if ( !gid_to_unix_groups_sid( gids[i], &unix_group_sid ) ) {
- DEBUG(1,("make_server_info_sam: Failed to create SID "
- "for gid %d!\n", gids[i]));
- continue;
- }
- if (!add_sid_to_array_unique( result, &unix_group_sid,
- &result->sids, &result->num_sids )) {
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("pdb_enum_group_memberships failed: %s\n",
+ nt_errstr(status)));
result->sam_account = NULL; /* Don't free on error exit. */
TALLOC_FREE(result);
- return NT_STATUS_NO_MEMORY;
+ return status;
}
}
pdb_get_username(sampass), result->unix_name));
*server_info = result;
+ /* Ensure that the sampass will be freed with the result */
+ talloc_steal(result, sampass);
return NT_STATUS_OK;
}
-/*
- * Add alias SIDs from memberships within the partially created token SID list
- */
-
-static NTSTATUS add_aliases(const DOM_SID *domain_sid,
- struct nt_user_token *token)
-{
- uint32 *aliases;
- size_t i, num_aliases;
- NTSTATUS status;
- TALLOC_CTX *tmp_ctx;
-
- if (!(tmp_ctx = talloc_init("add_aliases"))) {
- return NT_STATUS_NO_MEMORY;
- }
-
- aliases = NULL;
- num_aliases = 0;
-
- status = pdb_enum_alias_memberships(tmp_ctx, domain_sid,
- token->user_sids,
- token->num_sids,
- &aliases, &num_aliases);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(10, ("pdb_enum_alias_memberships failed: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(tmp_ctx);
- return status;
- }
-
- for (i=0; i<num_aliases; i++) {
- DOM_SID alias_sid;
- sid_compose(&alias_sid, domain_sid, aliases[i]);
- if (!add_sid_to_array_unique(token, &alias_sid,
- &token->user_sids,
- &token->num_sids)) {
- DEBUG(0, ("add_sid_to_array failed\n"));
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_OK;
-}
-
-static NTSTATUS log_nt_token(TALLOC_CTX *tmp_ctx, NT_USER_TOKEN *token)
+static NTSTATUS log_nt_token(NT_USER_TOKEN *token)
{
+ TALLOC_CTX *frame = talloc_stackframe();
char *command;
char *group_sidstr;
size_t i;
if ((lp_log_nt_token_command() == NULL) ||
(strlen(lp_log_nt_token_command()) == 0)) {
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
- group_sidstr = talloc_strdup(tmp_ctx, "");
+ group_sidstr = talloc_strdup(frame, "");
for (i=1; i<token->num_sids; i++) {
group_sidstr = talloc_asprintf(
- tmp_ctx, "%s %s", group_sidstr,
- sid_string_static(&token->user_sids[i]));
+ frame, "%s %s", group_sidstr,
+ sid_string_talloc(frame, &token->user_sids[i]));
}
command = talloc_string_sub(
- tmp_ctx, lp_log_nt_token_command(),
- "%s", sid_string_static(&token->user_sids[0]));
- command = talloc_string_sub(tmp_ctx, command, "%t", group_sidstr);
+ frame, lp_log_nt_token_command(),
+ "%s", sid_string_talloc(frame, &token->user_sids[0]));
+ command = talloc_string_sub(frame, command, "%t", group_sidstr);
if (command == NULL) {
+ TALLOC_FREE(frame);
return NT_STATUS_NO_MEMORY;
}
DEBUG(8, ("running command: [%s]\n", command));
if (smbrun(command, NULL) != 0) {
DEBUG(0, ("Could not log NT token\n"));
+ TALLOC_FREE(frame);
return NT_STATUS_ACCESS_DENIED;
}
+ TALLOC_FREE(frame);
return NT_STATUS_OK;
}
-/*******************************************************************
-*******************************************************************/
-
-static NTSTATUS add_builtin_administrators( struct nt_user_token *token )
-{
- DOM_SID domadm;
-
- /* nothing to do if we aren't in a domain */
-
- if ( !(IS_DC || lp_server_role()==ROLE_DOMAIN_MEMBER) ) {
- return NT_STATUS_OK;
- }
-
- /* Find the Domain Admins SID */
-
- if ( IS_DC ) {
- sid_copy( &domadm, get_global_sam_sid() );
- } else {
- if ( !secrets_fetch_domain_sid( lp_workgroup(), &domadm ) )
- return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
- }
- sid_append_rid( &domadm, DOMAIN_GROUP_RID_ADMINS );
-
- /* Add Administrators if the user beloongs to Domain Admins */
-
- if ( nt_token_check_sid( &domadm, token ) ) {
- if (!add_sid_to_array(token, &global_sid_Builtin_Administrators,
- &token->user_sids, &token->num_sids)) {
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- return NT_STATUS_OK;
-}
-
-/*******************************************************************
-*******************************************************************/
+/*
+ * Create the token to use from server_info->sam_account and
+ * server_info->sids (the info3/sam groups). Find the unix gids.
+ */
-static NTSTATUS create_builtin_users( void )
+NTSTATUS create_local_token(auth_serversupplied_info *server_info)
{
NTSTATUS status;
- DOM_SID dom_users;
+ size_t i;
+ struct dom_sid tmp_sid;
- status = pdb_create_builtin_alias( BUILTIN_ALIAS_RID_USERS );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(0,("create_builtin_users: Failed to create Users\n"));
- return status;
- }
-
- /* add domain users */
- if ((IS_DC || (lp_server_role() == ROLE_DOMAIN_MEMBER))
- && secrets_fetch_domain_sid(lp_workgroup(), &dom_users))
- {
- sid_append_rid(&dom_users, DOMAIN_GROUP_RID_USERS );
- status = pdb_add_aliasmem( &global_sid_Builtin_Users, &dom_users);
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(0,("create_builtin_administrators: Failed to add Domain Users to"
- " Users\n"));
- return status;
- }
- }
-
- return NT_STATUS_OK;
-}
+ /*
+ * If winbind is not around, we can not make much use of the SIDs the
+ * domain controller provided us with. Likewise if the user name was
+ * mapped to some local unix user.
+ */
-/*******************************************************************
-*******************************************************************/
+ if (((lp_server_role() == ROLE_DOMAIN_MEMBER) && !winbind_ping()) ||
+ (server_info->nss_token)) {
+ status = create_token_from_username(server_info,
+ server_info->unix_name,
+ server_info->guest,
+ &server_info->utok.uid,
+ &server_info->utok.gid,
+ &server_info->unix_name,
+ &server_info->ptok);
-static NTSTATUS create_builtin_administrators( void )
-{
- NTSTATUS status;
- DOM_SID dom_admins, root_sid;
- fstring root_name;
- enum lsa_SidType type;
- TALLOC_CTX *ctx;
- BOOL ret;
-
- status = pdb_create_builtin_alias( BUILTIN_ALIAS_RID_ADMINS );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(0,("create_builtin_administrators: Failed to create Administrators\n"));
- return status;
- }
-
- /* add domain admins */
- if ((IS_DC || (lp_server_role() == ROLE_DOMAIN_MEMBER))
- && secrets_fetch_domain_sid(lp_workgroup(), &dom_admins))
- {
- sid_append_rid(&dom_admins, DOMAIN_GROUP_RID_ADMINS);
- status = pdb_add_aliasmem( &global_sid_Builtin_Administrators, &dom_admins );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(0,("create_builtin_administrators: Failed to add Domain Admins"
- " Administrators\n"));
- return status;
- }
- }
-
- /* add root */
- if ( (ctx = talloc_init("create_builtin_administrators")) == NULL ) {
- return NT_STATUS_NO_MEMORY;
+ } else {
+ server_info->ptok = create_local_nt_token(
+ server_info,
+ pdb_get_user_sid(server_info->sam_account),
+ server_info->guest,
+ server_info->num_sids, server_info->sids);
+ status = server_info->ptok ?
+ NT_STATUS_OK : NT_STATUS_NO_SUCH_USER;
}
- fstr_sprintf( root_name, "%s\\root", get_global_sam_name() );
- ret = lookup_name( ctx, root_name, 0, NULL, NULL, &root_sid, &type );
- TALLOC_FREE( ctx );
- if ( ret ) {
- status = pdb_add_aliasmem( &global_sid_Builtin_Administrators, &root_sid );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(0,("create_builtin_administrators: Failed to add root"
- " Administrators\n"));
- return status;
- }
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
-
- return NT_STATUS_OK;
-}
-
-/*******************************************************************
- Create a NT token for the user, expanding local aliases
-*******************************************************************/
-
-static struct nt_user_token *create_local_nt_token(TALLOC_CTX *mem_ctx,
- const DOM_SID *user_sid,
- BOOL is_guest,
- int num_groupsids,
- const DOM_SID *groupsids)
-{
- struct nt_user_token *result = NULL;
- int i;
- NTSTATUS status;
- gid_t gid;
- DEBUG(10, ("Create local NT token for %s\n", sid_string_static(user_sid)));
+ /* Convert the SIDs to gids. */
- if (!(result = TALLOC_ZERO_P(mem_ctx, NT_USER_TOKEN))) {
- DEBUG(0, ("talloc failed\n"));
- return NULL;
- }
+ server_info->utok.ngroups = 0;
+ server_info->utok.groups = NULL;
- /* Add the user and primary group sid */
+ /* Start at index 1, where the groups start. */
- if (!add_sid_to_array(result, user_sid,
- &result->user_sids, &result->num_sids)) {
- return NULL;
- }
+ for (i=1; i<server_info->ptok->num_sids; i++) {
+ gid_t gid;
+ DOM_SID *sid = &server_info->ptok->user_sids[i];
- /* For guest, num_groupsids may be zero. */
- if (num_groupsids) {
- if (!add_sid_to_array(result, &groupsids[0],
- &result->user_sids, &result->num_sids)) {
- return NULL;
+ if (!sid_to_gid(sid, &gid)) {
+ DEBUG(10, ("Could not convert SID %s to gid, "
+ "ignoring it\n", sid_string_dbg(sid)));
+ continue;
}
- }
-
- /* Add in BUILTIN sids */
-
- if (!add_sid_to_array(result, &global_sid_World,
- &result->user_sids, &result->num_sids)) {
- return NULL;
- }
- if (!add_sid_to_array(result, &global_sid_Network,
- &result->user_sids, &result->num_sids)) {
- return NULL;
+ add_gid_to_array_unique(server_info, gid,
+ &server_info->utok.groups,
+ &server_info->utok.ngroups);
}
- if (is_guest) {
- if (!add_sid_to_array(result, &global_sid_Builtin_Guests,
- &result->user_sids, &result->num_sids)) {
- return NULL;
- }
- } else {
- if (!add_sid_to_array(result, &global_sid_Authenticated_Users,
- &result->user_sids, &result->num_sids)) {
- return NULL;
- }
- }
-
- /* Now the SIDs we got from authentication. These are the ones from
- * the info3 struct or from the pdb_enum_group_memberships, depending
- * on who authenticated the user.
- * Note that we start the for loop at "1" here, we already added the
- * first group sid as primary above. */
-
- for (i=1; i<num_groupsids; i++) {
- if (!add_sid_to_array_unique(result, &groupsids[i],
- &result->user_sids, &result->num_sids)) {
- return NULL;
- }
+ /*
+ * Add the "Unix Group" SID for each gid to catch mapped groups
+ * and their Unix equivalent. This is to solve the backwards
+ * compatibility problem of 'valid users = +ntadmin' where
+ * ntadmin has been paired with "Domain Admins" in the group
+ * mapping table. Otherwise smb.conf would need to be changed
+ * to 'valid user = "Domain Admins"'. --jerry
+ *
+ * For consistency we also add the "Unix User" SID,
+ * so that the complete unix token is represented within
+ * the nt token.
+ */
+
+ if (!uid_to_unix_users_sid(server_info->utok.uid, &tmp_sid)) {
+ DEBUG(1,("create_local_token: Failed to create SID "
+ "for uid %u!\n", (unsigned int)server_info->utok.uid));
}
-
- /* Deal with the BUILTIN\Administrators group. If the SID can
- be resolved then assume that the add_aliasmem( S-1-5-32 )
- handled it. */
+ add_sid_to_array_unique(server_info->ptok, &tmp_sid,
+ &server_info->ptok->user_sids,
+ &server_info->ptok->num_sids);
- if ( !sid_to_gid( &global_sid_Builtin_Administrators, &gid ) ) {
- /* We can only create a mapping if winbind is running
- and the nested group functionality has been enabled */
-
- if ( lp_winbind_nested_groups() && winbind_ping() ) {
- become_root();
- status = create_builtin_administrators( );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(2,("create_local_nt_token: Failed to create BUILTIN\\Administrators group!\n"));
- /* don't fail, just log the message */
- }
- unbecome_root();
- }
- else {
- status = add_builtin_administrators( result );
- if ( !NT_STATUS_IS_OK(status) ) {
- /* just log a complaint but do not fail */
- DEBUG(3,("create_local_nt_token: failed to check for local Administrators"
- " membership (%s)\n", nt_errstr(status)));
- }
- }
- }
-
- /* Deal with the BUILTIN\Users group. If the SID can
- be resolved then assume that the add_aliasmem( S-1-5-32 )
- handled it. */
-
- if ( !sid_to_gid( &global_sid_Builtin_Users, &gid ) ) {
- /* We can only create a mapping if winbind is running
- and the nested group functionality has been enabled */
-
- if ( lp_winbind_nested_groups() && winbind_ping() ) {
- become_root();
- status = create_builtin_users( );
- if ( !NT_STATUS_IS_OK(status) ) {
- DEBUG(2,("create_local_nt_token: Failed to create BUILTIN\\Users group!\n"));
- /* don't fail, just log the message */
- }
- unbecome_root();
+ for ( i=0; i<server_info->utok.ngroups; i++ ) {
+ if (!gid_to_unix_groups_sid( server_info->utok.groups[i], &tmp_sid ) ) {
+ DEBUG(1,("create_local_token: Failed to create SID "
+ "for gid %u!\n", (unsigned int)server_info->utok.groups[i]));
+ continue;
}
+ add_sid_to_array_unique(server_info->ptok, &tmp_sid,
+ &server_info->ptok->user_sids,
+ &server_info->ptok->num_sids);
}
- /* Deal with local groups */
-
- if (lp_winbind_nested_groups()) {
-
- /* Now add the aliases. First the one from our local SAM */
+ debug_nt_user_token(DBGC_AUTH, 10, server_info->ptok);
+ debug_unix_user_token(DBGC_AUTH, 10,
+ server_info->utok.uid,
+ server_info->utok.gid,
+ server_info->utok.ngroups,
+ server_info->utok.groups);
- status = add_aliases(get_global_sam_sid(), result);
-
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(result);
- return NULL;
- }
-
- /* Finally the builtin ones */
-
- status = add_aliases(&global_sid_Builtin, result);
-
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(result);
- return NULL;
- }
- }
-
-
- get_privileges_for_sids(&result->privileges, result->user_sids,
- result->num_sids);
- return result;
-}
-
-/*
- * Create the token to use from server_info->sam_account and
- * server_info->sids (the info3/sam groups). Find the unix gids.
- */
-
-NTSTATUS create_local_token(auth_serversupplied_info *server_info)
-{
- TALLOC_CTX *mem_ctx;
- struct id_map *ids;
- NTSTATUS status;
- size_t i;
-
-
- mem_ctx = talloc_new(NULL);
- if (mem_ctx == NULL) {
- DEBUG(0, ("talloc_new failed\n"));
- return NT_STATUS_NO_MEMORY;
- }
-
- /*
- * If winbind is not around, we can not make much use of the SIDs the
- * domain controller provided us with. Likewise if the user name was
- * mapped to some local unix user.
- */
-
- if (((lp_server_role() == ROLE_DOMAIN_MEMBER) && !winbind_ping()) ||
- (server_info->was_mapped)) {
- status = create_token_from_username(server_info,
- server_info->unix_name,
- server_info->guest,
- &server_info->uid,
- &server_info->gid,
- &server_info->unix_name,
- &server_info->ptok);
-
- } else {
- server_info->ptok = create_local_nt_token(
- server_info,
- pdb_get_user_sid(server_info->sam_account),
- server_info->guest,
- server_info->num_sids, server_info->sids);
- status = server_info->ptok ?
- NT_STATUS_OK : NT_STATUS_NO_SUCH_USER;
- }
-
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(mem_ctx);
- return status;
- }
-
- /* Convert the SIDs to gids. */
-
- server_info->n_groups = 0;
- server_info->groups = NULL;
-
- /* Start at index 1, where the groups start. */
- ids = talloc_zero_array(mem_ctx, struct id_map, server_info->ptok->num_sids);
- for (i = 0; i < server_info->ptok->num_sids-1; i++) {
- ids[i].sid = &server_info->ptok->user_sids[i + 1]; /* store the sids */
- }
-
- if (!winbind_sids_to_unixids(ids, server_info->ptok->num_sids-1)) {
- DEBUG(2, ("Query to map secondary SIDs failed!\n"));
- }
-
- for (i = 0; i < server_info->ptok->num_sids-1; i++) {
- if ( ! ids[i].mapped) {
- DEBUG(10, ("Could not convert SID %s to gid, "
- "ignoring it\n", sid_string_static(ids[i].sid)));
- continue;
- }
- if ( ! ids[i].xid.type == ID_TYPE_UID) {
- DEBUG(10, ("SID %s is a User ID (%u) not a Group ID, "
- "ignoring it\n", sid_string_static(ids[i].sid), ids[i].xid.id));
- continue;
- }
- if (!add_gid_to_array_unique(server_info, (gid_t)ids[i].xid.id, &server_info->groups,
- &server_info->n_groups)) {
- TALLOC_FREE(mem_ctx);
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- debug_nt_user_token(DBGC_AUTH, 10, server_info->ptok);
-
- status = log_nt_token(mem_ctx, server_info->ptok);
-
- TALLOC_FREE(mem_ctx);
- return status;
-}
+ status = log_nt_token(server_info->ptok);
+ return status;
+}
/*
- * Create an artificial NT token given just a username. (Initially indended
+ * Create an artificial NT token given just a username. (Initially intended
* for force user)
*
* We go through lookup_name() to avoid problems we had with 'winbind use
*/
NTSTATUS create_token_from_username(TALLOC_CTX *mem_ctx, const char *username,
- BOOL is_guest,
+ bool is_guest,
uid_t *uid, gid_t *gid,
char **found_username,
struct nt_user_token **token)
goto done;
}
- if (!sid_to_uid(&user_sid, uid)) {
- DEBUG(1, ("sid_to_uid for %s (%s) failed\n",
- username, sid_string_static(&user_sid)));
- goto done;
- }
-
if (sid_check_is_in_our_domain(&user_sid)) {
+ bool ret;
/* This is a passdb user, so ask passdb */
goto done;
}
- if (!pdb_getsampwsid(sam_acct, &user_sid)) {
+ become_root();
+ ret = pdb_getsampwsid(sam_acct, &user_sid);
+ unbecome_root();
+
+ if (!ret) {
DEBUG(1, ("pdb_getsampwsid(%s) for user %s failed\n",
- sid_string_static(&user_sid), username));
+ sid_string_dbg(&user_sid), username));
DEBUGADD(1, ("Fall back to unix user %s\n", username));
goto unix_user;
}
&group_sids, &gids,
&num_group_sids);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("enum_group_memberships failed for %s\n",
- username));
+ DEBUG(1, ("enum_group_memberships failed for %s (%s): "
+ "%s\n", username, sid_string_dbg(&user_sid),
+ nt_errstr(result)));
DEBUGADD(1, ("Fall back to unix user %s\n", username));
goto unix_user;
}
*found_username = talloc_strdup(mem_ctx,
pdb_get_username(sam_acct));
+ /*
+ * If the SID from lookup_name() was the guest sid, passdb knows
+ * about the mapping of guest sid to lp_guestaccount()
+ * username and will return the unix_pw info for a guest
+ * user. Use it if it's there, else lookup the *uid details
+ * using getpwnam_alloc(). See bug #6291 for details. JRA.
+ */
+
+ /* We must always assign the *uid. */
+ if (sam_acct->unix_pw == NULL) {
+ struct passwd *pwd = getpwnam_alloc(sam_acct, *found_username );
+ if (!pwd) {
+ DEBUG(10, ("getpwnam_alloc failed for %s\n",
+ *found_username));
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
+ }
+ result = samu_set_unix(sam_acct, pwd );
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(10, ("samu_set_unix failed for %s\n",
+ *found_username));
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
+ }
+ }
+ *uid = sam_acct->unix_pw->pw_uid;
+
} else if (sid_check_is_in_unix_users(&user_sid)) {
/* This is a unix user not in passdb. We need to ask nss
unix_user:
+ if (!sid_to_uid(&user_sid, uid)) {
+ DEBUG(1, ("unix_user case, sid_to_uid for %s (%s) failed\n",
+ username, sid_string_dbg(&user_sid)));
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
+ }
+
uid_to_unix_users_sid(*uid, &user_sid);
pass = getpwuid_alloc(tmp_ctx, *uid);
if (pass == NULL) {
- DEBUG(1, ("getpwuid(%d) for user %s failed\n",
- *uid, username));
+ DEBUG(1, ("getpwuid(%u) for user %s failed\n",
+ (unsigned int)*uid, username));
goto done;
}
goto done;
}
- group_sids = talloc_array(tmp_ctx, DOM_SID, num_group_sids);
- if (group_sids == NULL) {
- DEBUG(1, ("talloc_array failed\n"));
- result = NT_STATUS_NO_MEMORY;
- goto done;
+ if (num_group_sids) {
+ group_sids = TALLOC_ARRAY(tmp_ctx, DOM_SID, num_group_sids);
+ if (group_sids == NULL) {
+ DEBUG(1, ("TALLOC_ARRAY failed\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ } else {
+ group_sids = NULL;
}
for (i=0; i<num_group_sids; i++) {
uint32 dummy;
+ /* We must always assign the *uid. */
+ if (!sid_to_uid(&user_sid, uid)) {
+ DEBUG(1, ("winbindd case, sid_to_uid for %s (%s) failed\n",
+ username, sid_string_dbg(&user_sid)));
+ result = NT_STATUS_NO_SUCH_USER;
+ goto done;
+ }
+
num_group_sids = 1;
- group_sids = talloc_array(tmp_ctx, DOM_SID, num_group_sids);
+ group_sids = TALLOC_ARRAY(tmp_ctx, DOM_SID, num_group_sids);
if (group_sids == NULL) {
- DEBUG(1, ("talloc_array failed\n"));
+ DEBUG(1, ("TALLOC_ARRAY failed\n"));
result = NT_STATUS_NO_MEMORY;
goto done;
}
if (!sid_to_gid(&group_sids[0], gid)) {
DEBUG(1, ("sid_to_gid(%s) failed\n",
- sid_string_static(&group_sids[0])));
+ sid_string_dbg(&group_sids[0])));
goto done;
}
if ( !gid_to_unix_groups_sid( gids[i], &unix_group_sid ) ) {
DEBUG(1,("create_token_from_username: Failed to create SID "
- "for gid %d!\n", gids[i]));
+ "for gid %u!\n", (unsigned int)gids[i]));
continue;
}
- if (!add_sid_to_array_unique(tmp_ctx, &unix_group_sid,
- &group_sids, &num_group_sids )) {
- result = NT_STATUS_NO_MEMORY;
+ result = add_sid_to_array_unique(tmp_ctx, &unix_group_sid,
+ &group_sids, &num_group_sids);
+ if (!NT_STATUS_IS_OK(result)) {
goto done;
}
}
member of a particular group.
***************************************************************************/
-BOOL user_in_group_sid(const char *username, const DOM_SID *group_sid)
+bool user_in_group_sid(const char *username, const DOM_SID *group_sid)
{
NTSTATUS status;
uid_t uid;
gid_t gid;
char *found_username;
struct nt_user_token *token;
- BOOL result;
+ bool result;
TALLOC_CTX *mem_ctx;
}
-BOOL user_in_group(const char *username, const char *groupname)
+bool user_in_group(const char *username, const char *groupname)
{
TALLOC_CTX *mem_ctx;
DOM_SID group_sid;
- BOOL ret;
+ bool ret;
mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
return user_in_group_sid(username, &group_sid);
}
-
/***************************************************************************
- Make (and fill) a user_info struct from a 'struct passwd' by conversion
+ Make (and fill) a server_info struct from a 'struct passwd' by conversion
to a struct samu
***************************************************************************/
NTSTATUS status;
struct samu *sampass = NULL;
gid_t *gids;
+ char *qualified_name = NULL;
+ TALLOC_CTX *mem_ctx = NULL;
+ DOM_SID u_sid;
+ enum lsa_SidType type;
auth_serversupplied_info *result;
if ( !(sampass = samu_new( NULL )) ) {
}
result->sam_account = sampass;
+
result->unix_name = talloc_strdup(result, unix_username);
- result->uid = pwd->pw_uid;
- result->gid = pwd->pw_gid;
+ result->sanitized_username = sanitize_username(result, unix_username);
+
+ if ((result->unix_name == NULL)
+ || (result->sanitized_username == NULL)) {
+ TALLOC_FREE(sampass);
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ result->utok.uid = pwd->pw_uid;
+ result->utok.gid = pwd->pw_gid;
status = pdb_enum_group_memberships(result, sampass,
&result->sids, &gids,
return status;
}
+ /*
+ * The SID returned in server_info->sam_account is based
+ * on our SAM sid even though for a pure UNIX account this should
+ * not be the case as it doesn't really exist in the SAM db.
+ * This causes lookups on "[in]valid users" to fail as they
+ * will lookup this name as a "Unix User" SID to check against
+ * the user token. Fix this by adding the "Unix User"\unix_username
+ * SID to the sid array. The correct fix should probably be
+ * changing the server_info->sam_account user SID to be a
+ * S-1-22 Unix SID, but this might break old configs where
+ * plaintext passwords were used with no SAM backend.
+ */
+
+ mem_ctx = talloc_init("make_server_info_pw_tmp");
+ if (!mem_ctx) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ qualified_name = talloc_asprintf(mem_ctx, "%s\\%s",
+ unix_users_domain_name(),
+ unix_username );
+ if (!qualified_name) {
+ TALLOC_FREE(result);
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!lookup_name(mem_ctx, qualified_name, LOOKUP_NAME_ALL,
+ NULL, NULL,
+ &u_sid, &type)) {
+ TALLOC_FREE(result);
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ TALLOC_FREE(mem_ctx);
+
+ if (type != SID_NAME_USER) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ status = add_sid_to_array_unique(result, &u_sid,
+ &result->sids,
+ &result->num_sids);
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(result);
+ return status;
+ }
+
/* For now we throw away the gids and convert via sid_to_gid
* later. This needs fixing, but I'd like to get the code straight and
* simple first. */
NTSTATUS status;
struct samu *sampass = NULL;
DOM_SID guest_sid;
- BOOL ret;
- static const char zeros[16] = { 0, };
+ bool ret;
+ char zeros[16];
+ fstring tmp;
if ( !(sampass = samu_new( NULL )) ) {
return NT_STATUS_NO_MEMORY;
/* annoying, but the Guest really does have a session key, and it is
all zeros! */
+ ZERO_STRUCT(zeros);
(*server_info)->user_session_key = data_blob(zeros, sizeof(zeros));
(*server_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
+ alpha_strcpy(tmp, pdb_get_username(sampass), ". _-$", sizeof(tmp));
+ (*server_info)->sanitized_username = talloc_strdup(*server_info, tmp);
+
return NT_STATUS_OK;
}
-static auth_serversupplied_info *copy_serverinfo(auth_serversupplied_info *src)
+/****************************************************************************
+ Fake a auth_serversupplied_info just from a username
+****************************************************************************/
+
+NTSTATUS make_serverinfo_from_username(TALLOC_CTX *mem_ctx,
+ const char *username,
+ bool is_guest,
+ struct auth_serversupplied_info **presult)
+{
+ struct auth_serversupplied_info *result;
+ struct passwd *pwd;
+ NTSTATUS status;
+
+ pwd = getpwnam_alloc(talloc_tos(), username);
+ if (pwd == NULL) {
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ status = make_server_info_pw(&result, pwd->pw_name, pwd);
+
+ TALLOC_FREE(pwd);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ result->nss_token = true;
+ result->guest = is_guest;
+
+ status = create_local_token(result);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(result);
+ return status;
+ }
+
+ *presult = result;
+ return NT_STATUS_OK;
+}
+
+
+struct auth_serversupplied_info *copy_serverinfo(TALLOC_CTX *mem_ctx,
+ const auth_serversupplied_info *src)
{
auth_serversupplied_info *dst;
- dst = make_server_info(NULL);
+ dst = make_server_info(mem_ctx);
if (dst == NULL) {
return NULL;
}
dst->guest = src->guest;
- dst->uid = src->uid;
- dst->gid = src->gid;
- dst->n_groups = src->n_groups;
- if (src->n_groups != 0) {
- dst->groups = (gid_t *)talloc_memdup(
- dst, src->groups, sizeof(gid_t)*dst->n_groups);
+ dst->utok.uid = src->utok.uid;
+ dst->utok.gid = src->utok.gid;
+ dst->utok.ngroups = src->utok.ngroups;
+ if (src->utok.ngroups != 0) {
+ dst->utok.groups = (gid_t *)TALLOC_MEMDUP(
+ dst, src->utok.groups,
+ sizeof(gid_t)*dst->utok.ngroups);
} else {
- dst->groups = NULL;
+ dst->utok.groups = NULL;
}
if (src->ptok) {
return NULL;
}
+ dst->sanitized_username = talloc_strdup(dst, src->sanitized_username);
+ if (!dst->sanitized_username) {
+ TALLOC_FREE(dst);
+ return NULL;
+ }
+
return dst;
}
+/*
+ * Set a new session key. Used in the rpc server where we have to override the
+ * SMB level session key with SystemLibraryDTC
+ */
+
+bool server_info_set_session_key(struct auth_serversupplied_info *info,
+ DATA_BLOB session_key)
+{
+ TALLOC_FREE(info->user_session_key.data);
+
+ info->user_session_key = data_blob_talloc(
+ info, session_key.data, session_key.length);
+
+ return (info->user_session_key.data != NULL);
+}
+
static auth_serversupplied_info *guest_info = NULL;
-BOOL init_guest_info(void)
+bool init_guest_info(void)
{
if (guest_info != NULL)
return True;
return NT_STATUS_IS_OK(make_new_server_info_guest(&guest_info));
}
-NTSTATUS make_server_info_guest(auth_serversupplied_info **server_info)
+NTSTATUS make_server_info_guest(TALLOC_CTX *mem_ctx,
+ auth_serversupplied_info **server_info)
{
- *server_info = copy_serverinfo(guest_info);
+ *server_info = copy_serverinfo(mem_ctx, guest_info);
return (*server_info != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
}
-BOOL copy_current_user(struct current_user *dst, struct current_user *src)
+bool copy_current_user(struct current_user *dst, struct current_user *src)
{
gid_t *groups;
NT_USER_TOKEN *nt_token;
return True;
}
-BOOL set_current_user_guest(struct current_user *dst)
-{
- gid_t *groups;
- NT_USER_TOKEN *nt_token;
-
- groups = (gid_t *)memdup(guest_info->groups,
- sizeof(gid_t) * guest_info->n_groups);
- if (groups == NULL) {
- return False;
- }
-
- nt_token = dup_nt_token(NULL, guest_info->ptok);
- if (nt_token == NULL) {
- SAFE_FREE(groups);
- return False;
- }
-
- TALLOC_FREE(dst->nt_user_token);
- SAFE_FREE(dst->ut.groups);
-
- /* dst->conn is never really dereferenced, it's only tested for
- * equality in uid.c */
- dst->conn = NULL;
-
- dst->vuid = UID_FIELD_INVALID;
- dst->ut.uid = guest_info->uid;
- dst->ut.gid = guest_info->gid;
- dst->ut.ngroups = guest_info->n_groups;
- dst->ut.groups = groups;
- dst->nt_user_token = nt_token;
- return True;
-}
-
/***************************************************************************
Purely internal function for make_server_info_info3
Fill the sam account from getpwnam
char **found_username,
uid_t *uid, gid_t *gid,
struct samu *account,
- BOOL *username_was_mapped)
+ bool *username_was_mapped)
{
+ struct smbd_server_connection *sconn = smbd_server_conn;
NTSTATUS nt_status;
fstring dom_user, lower_username;
fstring real_username;
/* Get the passwd struct. Try to create the account is necessary. */
- *username_was_mapped = map_username( dom_user );
+ *username_was_mapped = map_username(sconn, dom_user);
if ( !(passwd = smb_getpwnam( NULL, dom_user, real_username, True )) )
return NT_STATUS_NO_SUCH_USER;
****************************************************************************/
struct passwd *smb_getpwnam( TALLOC_CTX *mem_ctx, char *domuser,
- fstring save_username, BOOL create )
+ fstring save_username, bool create )
{
struct passwd *pw = NULL;
char *p;
if (username[strlen(username)-1] == '$')
return NULL;
- smb_create_user(NULL, username, NULL);
+ _smb_create_user(NULL, username, NULL);
pw = Get_Pwnam_alloc(mem_ctx, username);
}
const char *sent_nt_username,
const char *domain,
auth_serversupplied_info **server_info,
- NET_USER_INFO_3 *info3)
+ struct netr_SamInfo3 *info3)
{
- static const char zeros[16] = { 0, };
+ char zeros[16];
NTSTATUS nt_status = NT_STATUS_OK;
- char *found_username;
+ char *found_username = NULL;
const char *nt_domain;
const char *nt_username;
struct samu *sam_account = NULL;
DOM_SID user_sid;
DOM_SID group_sid;
- BOOL username_was_mapped;
+ bool username_was_mapped;
- uid_t uid;
- gid_t gid;
-
- size_t i;
+ uid_t uid = (uid_t)-1;
+ gid_t gid = (gid_t)-1;
auth_serversupplied_info *result;
matches.
*/
- sid_copy(&user_sid, &info3->dom_sid.sid);
- if (!sid_append_rid(&user_sid, info3->user_rid)) {
+ sid_copy(&user_sid, info3->base.domain_sid);
+ if (!sid_append_rid(&user_sid, info3->base.rid)) {
return NT_STATUS_INVALID_PARAMETER;
}
- sid_copy(&group_sid, &info3->dom_sid.sid);
- if (!sid_append_rid(&group_sid, info3->group_rid)) {
+ sid_copy(&group_sid, info3->base.domain_sid);
+ if (!sid_append_rid(&group_sid, info3->base.primary_gid)) {
return NT_STATUS_INVALID_PARAMETER;
}
- if (!(nt_username = unistr2_tdup(mem_ctx, &(info3->uni_user_name)))) {
+ nt_username = talloc_strdup(mem_ctx, info3->base.account_name.string);
+ if (!nt_username) {
/* If the server didn't give us one, just use the one we sent
* them */
nt_username = sent_nt_username;
}
- if (!(nt_domain = unistr2_tdup(mem_ctx, &(info3->uni_logon_dom)))) {
+ nt_domain = talloc_strdup(mem_ctx, info3->base.domain.string);
+ if (!nt_domain) {
/* If the server didn't give us one, just use the one we sent
* them */
nt_domain = domain;
if (!NT_STATUS_IS_OK(nt_status)) {
TALLOC_FREE( sam_account );
if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID ) {
- make_server_info_guest(server_info);
+ make_server_info_guest(NULL, server_info);
return NT_STATUS_OK;
}
return nt_status;
TALLOC_FREE(sam_account);
return NT_STATUS_UNSUCCESSFUL;
}
-
+
if (!pdb_set_fullname(sam_account,
- unistr2_static(&(info3->uni_full_name)),
+ info3->base.full_name.string,
PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_logon_script(sam_account,
- unistr2_static(&(info3->uni_logon_script)),
+ info3->base.logon_script.string,
PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_profile_path(sam_account,
- unistr2_static(&(info3->uni_profile_path)),
+ info3->base.profile_path.string,
PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_homedir(sam_account,
- unistr2_static(&(info3->uni_home_dir)),
+ info3->base.home_directory.string,
PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
if (!pdb_set_dir_drive(sam_account,
- unistr2_static(&(info3->uni_dir_drive)),
+ info3->base.home_drive.string,
PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
- if (!pdb_set_acct_ctrl(sam_account, info3->acct_flags, PDB_CHANGED)) {
+ if (!pdb_set_acct_ctrl(sam_account, info3->base.acct_flags, PDB_CHANGED)) {
+ TALLOC_FREE(sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_last_set_time(
+ sam_account,
+ nt_time_to_unix(info3->base.last_password_change),
+ PDB_CHANGED)) {
+ TALLOC_FREE(sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_can_change_time(
+ sam_account,
+ nt_time_to_unix(info3->base.allow_password_change),
+ PDB_CHANGED)) {
+ TALLOC_FREE(sam_account);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_must_change_time(
+ sam_account,
+ nt_time_to_unix(info3->base.force_password_change),
+ PDB_CHANGED)) {
TALLOC_FREE(sam_account);
return NT_STATUS_NO_MEMORY;
}
result->sam_account = sam_account;
result->unix_name = talloc_strdup(result, found_username);
+ result->sanitized_username = sanitize_username(result,
+ result->unix_name);
+ if (result->sanitized_username == NULL) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
/* Fill in the unix info we found on the way */
- result->uid = uid;
- result->gid = gid;
+ result->utok.uid = uid;
+ result->utok.gid = gid;
/* Create a 'combined' list of all SIDs we might want in the SD */
result->num_sids = 0;
result->sids = NULL;
- /* and create (by appending rids) the 'domain' sids */
-
- for (i = 0; i < info3->num_groups2; i++) {
- DOM_SID sid;
- if (!sid_compose(&sid, &info3->dom_sid.sid,
- info3->gids[i].g_rid)) {
- DEBUG(3,("could not append additional group rid "
- "0x%x\n", info3->gids[i].g_rid));
- TALLOC_FREE(result);
- return NT_STATUS_INVALID_PARAMETER;
- }
- if (!add_sid_to_array(result, &sid, &result->sids,
- &result->num_sids)) {
- TALLOC_FREE(result);
- return NT_STATUS_NO_MEMORY;
- }
+ nt_status = sid_array_from_info3(result, info3,
+ &result->sids,
+ &result->num_sids,
+ false, false);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(result);
+ return nt_status;
}
- /* Copy 'other' sids. We need to do sid filtering here to
- prevent possible elevation of privileges. See:
+ /* Ensure the primary group sid is at position 0. */
+ sort_sid_array_for_smbd(result, &group_sid);
- http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp
- */
+ result->login_server = talloc_strdup(result,
+ info3->base.logon_server.string);
- for (i = 0; i < info3->num_other_sids; i++) {
- if (!add_sid_to_array(result, &info3->other_sids[i].sid,
- &result->sids,
- &result->num_sids)) {
- TALLOC_FREE(result);
- return NT_STATUS_NO_MEMORY;
+ /* ensure we are never given NULL session keys */
+
+ ZERO_STRUCT(zeros);
+
+ if (memcmp(info3->base.key.key, zeros, sizeof(zeros)) == 0) {
+ result->user_session_key = data_blob_null;
+ } else {
+ result->user_session_key = data_blob_talloc(
+ result, info3->base.key.key,
+ sizeof(info3->base.key.key));
+ }
+
+ if (memcmp(info3->base.LMSessKey.key, zeros, 8) == 0) {
+ result->lm_session_key = data_blob_null;
+ } else {
+ result->lm_session_key = data_blob_talloc(
+ result, info3->base.LMSessKey.key,
+ sizeof(info3->base.LMSessKey.key));
+ }
+
+ result->nss_token |= username_was_mapped;
+
+ *server_info = result;
+
+ return NT_STATUS_OK;
+}
+
+/*****************************************************************************
+ Make a server_info struct from the wbcAuthUserInfo returned by a domain logon
+******************************************************************************/
+
+NTSTATUS make_server_info_wbcAuthUserInfo(TALLOC_CTX *mem_ctx,
+ const char *sent_nt_username,
+ const char *domain,
+ const struct wbcAuthUserInfo *info,
+ auth_serversupplied_info **server_info)
+{
+ char zeros[16];
+
+ NTSTATUS nt_status = NT_STATUS_OK;
+ char *found_username = NULL;
+ const char *nt_domain;
+ const char *nt_username;
+ struct samu *sam_account = NULL;
+ DOM_SID user_sid;
+ DOM_SID group_sid;
+ bool username_was_mapped;
+ uint32_t i;
+
+ uid_t uid = (uid_t)-1;
+ gid_t gid = (gid_t)-1;
+
+ auth_serversupplied_info *result;
+
+ result = make_server_info(NULL);
+ if (result == NULL) {
+ DEBUG(4, ("make_server_info failed!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /*
+ Here is where we should check the list of
+ trusted domains, and verify that the SID
+ matches.
+ */
+
+ memcpy(&user_sid, &info->sids[0].sid, sizeof(user_sid));
+ memcpy(&group_sid, &info->sids[1].sid, sizeof(group_sid));
+
+ if (info->account_name) {
+ nt_username = talloc_strdup(result, info->account_name);
+ } else {
+ /* If the server didn't give us one, just use the one we sent
+ * them */
+ nt_username = talloc_strdup(result, sent_nt_username);
+ }
+ if (!nt_username) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (info->domain_name) {
+ nt_domain = talloc_strdup(result, info->domain_name);
+ } else {
+ /* If the server didn't give us one, just use the one we sent
+ * them */
+ nt_domain = talloc_strdup(result, domain);
+ }
+ if (!nt_domain) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* try to fill the SAM account.. If getpwnam() fails, then try the
+ add user script (2.2.x behavior).
+
+ We use the _unmapped_ username here in an attempt to provide
+ consistent username mapping behavior between kerberos and NTLM[SSP]
+ authentication in domain mode security. I.E. Username mapping
+ should be applied to the fully qualified username
+ (e.g. DOMAIN\user) and not just the login name. Yes this means we
+ called map_username() unnecessarily in make_user_info_map() but
+ that is how the current code is designed. Making the change here
+ is the least disruptive place. -- jerry */
+
+ if ( !(sam_account = samu_new( result )) ) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* this call will try to create the user if necessary */
+
+ nt_status = fill_sam_account(result, nt_domain, sent_nt_username,
+ &found_username, &uid, &gid, sam_account,
+ &username_was_mapped);
+
+ /* if we still don't have a valid unix account check for
+ 'map to guest = bad uid' */
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE( result );
+ if ( lp_map_to_guest() == MAP_TO_GUEST_ON_BAD_UID ) {
+ make_server_info_guest(NULL, server_info);
+ return NT_STATUS_OK;
}
+ return nt_status;
+ }
+
+ if (!pdb_set_nt_username(sam_account, nt_username, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_username(sam_account, nt_username, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_domain(sam_account, nt_domain, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_user_sid(sam_account, &user_sid, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!pdb_set_group_sid(sam_account, &group_sid, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (!pdb_set_fullname(sam_account, info->full_name, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_logon_script(sam_account, info->logon_script, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_profile_path(sam_account, info->profile_path, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_homedir(sam_account, info->home_directory, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_dir_drive(sam_account, info->home_drive, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_acct_ctrl(sam_account, info->acct_flags, PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_last_set_time(
+ sam_account,
+ nt_time_to_unix(info->pass_last_set_time),
+ PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
}
- result->login_server = unistr2_tdup(result,
- &(info3->uni_logon_srv));
+ if (!pdb_set_pass_can_change_time(
+ sam_account,
+ nt_time_to_unix(info->pass_can_change_time),
+ PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_must_change_time(
+ sam_account,
+ nt_time_to_unix(info->pass_must_change_time),
+ PDB_CHANGED)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* save this here to _net_sam_logon() doesn't fail (it assumes a
+ valid struct samu) */
+
+ result->sam_account = sam_account;
+ result->unix_name = talloc_strdup(result, found_username);
+
+ result->sanitized_username = sanitize_username(result,
+ result->unix_name);
+ result->login_server = talloc_strdup(result, info->logon_server);
+
+ if ((result->unix_name == NULL)
+ || (result->sanitized_username == NULL)
+ || (result->login_server == NULL)) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* Fill in the unix info we found on the way */
+
+ result->utok.uid = uid;
+ result->utok.gid = gid;
+
+ /* Create a 'combined' list of all SIDs we might want in the SD */
+
+ result->num_sids = info->num_sids - 2;
+ result->sids = talloc_array(result, DOM_SID, result->num_sids);
+ if (result->sids == NULL) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i=0; i < result->num_sids; i++) {
+ memcpy(&result->sids[i], &info->sids[i+2].sid, sizeof(result->sids[i]));
+ }
+
+ /* Ensure the primary group sid is at position 0. */
+ sort_sid_array_for_smbd(result, &group_sid);
/* ensure we are never given NULL session keys */
-
- if (memcmp(info3->user_sess_key, zeros, sizeof(zeros)) == 0) {
- result->user_session_key = data_blob(NULL, 0);
+
+ ZERO_STRUCT(zeros);
+
+ if (memcmp(info->user_session_key, zeros, sizeof(zeros)) == 0) {
+ result->user_session_key = data_blob_null;
} else {
result->user_session_key = data_blob_talloc(
- result, info3->user_sess_key,
- sizeof(info3->user_sess_key));
+ result, info->user_session_key,
+ sizeof(info->user_session_key));
}
- if (memcmp(info3->lm_sess_key, zeros, 8) == 0) {
- result->lm_session_key = data_blob(NULL, 0);
+ if (memcmp(info->lm_session_key, zeros, 8) == 0) {
+ result->lm_session_key = data_blob_null;
} else {
result->lm_session_key = data_blob_talloc(
- result, info3->lm_sess_key,
- sizeof(info3->lm_sess_key));
+ result, info->lm_session_key,
+ sizeof(info->lm_session_key));
}
- result->was_mapped = username_was_mapped;
+ result->nss_token |= username_was_mapped;
*server_info = result;
Make an auth_methods struct
***************************************************************************/
-BOOL make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
+bool make_auth_methods(struct auth_context *auth_context, auth_methods **auth_method)
{
if (!auth_context) {
smb_panic("no auth_context supplied to "
return True;
}
-/****************************************************************************
- Duplicate a SID token.
-****************************************************************************/
-
-NT_USER_TOKEN *dup_nt_token(TALLOC_CTX *mem_ctx, const NT_USER_TOKEN *ptoken)
-{
- NT_USER_TOKEN *token;
-
- if (!ptoken)
- return NULL;
-
- token = TALLOC_P(mem_ctx, NT_USER_TOKEN);
- if (token == NULL) {
- DEBUG(0, ("talloc failed\n"));
- return NULL;
- }
-
- ZERO_STRUCTP(token);
-
- if (ptoken->user_sids && ptoken->num_sids) {
- token->user_sids = (DOM_SID *)talloc_memdup(
- token, ptoken->user_sids, sizeof(DOM_SID) * ptoken->num_sids );
-
- if (token->user_sids == NULL) {
- DEBUG(0, ("talloc_memdup failed\n"));
- TALLOC_FREE(token);
- return NULL;
- }
- token->num_sids = ptoken->num_sids;
- }
-
- /* copy the privileges; don't consider failure to be critical here */
-
- if ( !se_priv_copy( &token->privileges, &ptoken->privileges ) ) {
- DEBUG(0,("dup_nt_token: Failure to copy SE_PRIV!. "
- "Continuing with 0 privileges assigned.\n"));
- }
-
- return token;
-}
-
-/****************************************************************************
- Check for a SID in an NT_USER_TOKEN
-****************************************************************************/
-
-BOOL nt_token_check_sid ( const DOM_SID *sid, const NT_USER_TOKEN *token )
-{
- int i;
-
- if ( !sid || !token )
- return False;
-
- for ( i=0; i<token->num_sids; i++ ) {
- if ( sid_equal( sid, &token->user_sids[i] ) )
- return True;
- }
-
- return False;
-}
-
-BOOL nt_token_check_domain_rid( NT_USER_TOKEN *token, uint32 rid )
-{
- DOM_SID domain_sid;
-
- /* if we are a domain member, the get the domain SID, else for
- a DC or standalone server, use our own SID */
-
- if ( lp_server_role() == ROLE_DOMAIN_MEMBER ) {
- if ( !secrets_fetch_domain_sid( lp_workgroup(),
- &domain_sid ) ) {
- DEBUG(1,("nt_token_check_domain_rid: Cannot lookup "
- "SID for domain [%s]\n", lp_workgroup()));
- return False;
- }
- }
- else
- sid_copy( &domain_sid, get_global_sam_sid() );
-
- sid_append_rid( &domain_sid, rid );
-
- return nt_token_check_sid( &domain_sid, token );\
-}
-
/**
* Verify whether or not given domain is trusted.
*
* false if otherwise
**/
-BOOL is_trusted_domain(const char* dom_name)
+bool is_trusted_domain(const char* dom_name)
{
DOM_SID trustdom_sid;
- BOOL ret;
+ bool ret;
/* no trusted domains for a standalone server */
if ( lp_server_role() == ROLE_STANDALONE )
return False;
+ if (dom_name == NULL || dom_name[0] == '\0') {
+ return false;
+ }
+
+ if (strequal(dom_name, get_global_sam_name())) {
+ return false;
+ }
+
/* if we are a DC, then check for a direct trust relationships */
if ( IS_DC ) {
become_root();
DEBUG (5,("is_trusted_domain: Checking for domain trust with "
"[%s]\n", dom_name ));
- ret = secrets_fetch_trusted_domain_password(dom_name, NULL,
- NULL, NULL);
+ ret = pdb_get_trusteddom_pw(dom_name, NULL, NULL, NULL);
unbecome_root();
if (ret)
return True;
}
else {
- NSS_STATUS result;
+ wbcErr result;
/* If winbind is around, ask it */
result = wb_is_trusted_domain(dom_name);
- if (result == NSS_STATUS_SUCCESS) {
+ if (result == WBC_ERR_SUCCESS) {
return True;
}
- if (result == NSS_STATUS_NOTFOUND) {
+ if (result == WBC_ERR_DOMAIN_NOT_FOUND) {
/* winbind could not find the domain */
return False;
}
git.samba.org / samba.git / blobdiff