s3:s3compat Allow replacement of lp_idmap_backend() and lp_idmap_alloc_backend
[abartlet/samba.git/.git] / source3 / param / loadparm.c
index 4415804a2d6565cfc08cfd0fc282685957489249..1839a233d3485f1c7917670a7f52ad71f1360baf 100644 (file)
    Copyright (C) Stefan (metze) Metzmacher 2002
    Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
    Copyright (C) Michael Adam 2008
-   
+
    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 "printing.h"
+#include "lib/smbconf/smbconf.h"
+#include "lib/smbconf/smbconf_init.h"
+#include "lib/smbconf/smbconf_reg.h"
+
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
 
 #ifdef HAVE_HTTPCONNECTENCRYPT
 #include <cups/http.h>
@@ -60,7 +67,6 @@
 
 bool bLoaded = False;
 
-extern enum protocol_types Protocol;
 extern userdom_struct current_user_info;
 
 #ifndef GLOBAL_NAME
@@ -157,6 +163,7 @@ struct global {
        char *szRemoteAnnounce;
        char *szRemoteBrowseSync;
        char *szSocketAddress;
+       bool bNmbdBindExplicitBroadcast;
        char *szNISHomeMapName;
        char *szAnnounceVersion;        /* This is initialised in init_globals */
        char *szWorkgroup;
@@ -177,6 +184,7 @@ struct global {
        char *szShutdownScript;
        char *szAbortShutdownScript;
        char *szUsernameMapScript;
+       int iUsernameMapCacheTime;
        char *szCheckPasswordScript;
        char *szWINSHook;
        char *szUtmpDir;
@@ -199,6 +207,7 @@ struct global {
        bool bWinbindOfflineLogon;
        bool bWinbindNormalizeNames;
        bool bWinbindRpcOnly;
+       bool bCreateKrb5Conf;
        char *szIdmapBackend;
        char *szIdmapAllocBackend;
        char *szAddShareCommand;
@@ -255,6 +264,8 @@ struct global {
        char *szLdapGroupSuffix;
        int ldap_ssl;
        bool ldap_ssl_ads;
+       int ldap_deref;
+       int ldap_follow_referral;
        char *szLdapSuffix;
        char *szLdapAdminDn;
        int ldap_debug_level;
@@ -266,6 +277,8 @@ struct global {
        char *ctdbdSocket;
        char **szClusterAddresses;
        bool clustering;
+       int ctdb_timeout;
+       int ctdb_locktime_warn_threshold;
        int ldap_passwd_sync;
        int ldap_replication_sleep;
        int ldap_timeout; /* This is initialised in init_globals */
@@ -345,13 +358,17 @@ struct global {
        int iIdmapCacheTime;
        int iIdmapNegativeCacheTime;
        bool bResetOnZeroVC;
+       bool bLogWriteableFilesOnExit;
        int iKeepalive;
        int iminreceivefile;
        struct param_opt_struct *param_opt;
        int cups_connection_timeout;
        char *szSMBPerfcountModule;
        bool bMapUntrustedToDomain;
-       bool bFakeDirCreateTimes;
+       bool bAsyncSMBEchoHandler;
+       int ismb2_max_read;
+       int ismb2_max_write;
+       int ismb2_max_trans;
 };
 
 static struct global Globals;
@@ -469,6 +486,7 @@ struct service {
        bool bDosFilemode;
        bool bDosFiletimes;
        bool bDosFiletimeResolution;
+       bool bFakeDirCreateTimes;
        bool bBlockingLocks;
        bool bInheritPerms;
        bool bInheritACLS;
@@ -599,7 +617,7 @@ static struct service sDefault = {
        True,                   /* bLevel2OpLocks */
        False,                  /* bOnlyUser */
        True,                   /* bMangledNames */
-       True,                   /* bWidelinks */
+       false,                  /* bWidelinks */
        True,                   /* bSymlinks */
        False,                  /* bSyncAlways */
        False,                  /* bStrictAllocate */
@@ -612,6 +630,7 @@ static struct service sDefault = {
        False,                  /* bDosFilemode */
        True,                   /* bDosFiletimes */
        False,                  /* bDosFiletimeResolution */
+       False,                  /* bFakeDirCreateTimes */
        True,                   /* bBlockingLocks */
        False,                  /* bInheritPerms */
        False,                  /* bInheritACLS */
@@ -656,7 +675,6 @@ static int *invalid_services = NULL;
 static int num_invalid_services = 0;
 static bool bInGlobalSection = True;
 static bool bGlobalOnly = False;
-static int server_role;
 static int default_server_announce;
 
 #define NUMPARAMETERS (sizeof(parm_table) / sizeof(struct parm_struct))
@@ -675,7 +693,6 @@ static bool handle_charset( int snum, const char *pszParmValue, char **ptr );
 static bool handle_printing( int snum, const char *pszParmValue, char **ptr);
 static bool handle_ldap_debug_level( int snum, const char *pszParmValue, char **ptr);
 
-static void set_server_role(void);
 static void set_default_server_announce_type(void);
 static void set_allowed_client_auth(void);
 
@@ -739,6 +756,20 @@ static const struct enum_list enum_ldap_ssl[] = {
        {-1, NULL}
 };
 
+/* LDAP Dereferencing Alias types */
+#define SAMBA_LDAP_DEREF_NEVER         0
+#define SAMBA_LDAP_DEREF_SEARCHING     1
+#define SAMBA_LDAP_DEREF_FINDING       2
+#define SAMBA_LDAP_DEREF_ALWAYS                3
+
+static const struct enum_list enum_ldap_deref[] = {
+       {SAMBA_LDAP_DEREF_NEVER, "never"},
+       {SAMBA_LDAP_DEREF_SEARCHING, "searching"},
+       {SAMBA_LDAP_DEREF_FINDING, "finding"},
+       {SAMBA_LDAP_DEREF_ALWAYS, "always"},
+       {-1, "auto"}
+};
+
 static const struct enum_list enum_ldap_passwd_sync[] = {
        {LDAP_PASSWD_SYNC_OFF, "no"},
        {LDAP_PASSWD_SYNC_OFF, "off"},
@@ -794,12 +825,6 @@ static const struct enum_list enum_bool_auto[] = {
        {-1, NULL}
 };
 
-/* Client-side offline caching policy types */
-#define CSC_POLICY_MANUAL 0
-#define CSC_POLICY_DOCUMENTS 1
-#define CSC_POLICY_PROGRAMS 2
-#define CSC_POLICY_DISABLE 3
-
 static const struct enum_list enum_csc_policy[] = {
        {CSC_POLICY_MANUAL, "manual"},
        {CSC_POLICY_DOCUMENTS, "documents"},
@@ -2054,6 +2079,15 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
+       {
+               .label          = "log writeable files on exit",
+               .type           = P_BOOL,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.bLogWriteableFilesOnExit,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
        {
                .label          = "acl compatibility",
                .type           = P_ENUM,
@@ -2496,7 +2530,7 @@ static struct parm_struct parm_table[] = {
                .ptr            = &sDefault.iWriteCacheSize,
                .special        = NULL,
                .enum_list      = NULL,
-               .flags          = FLAG_ADVANCED | FLAG_SHARE | FLAG_DEPRECATED,
+               .flags          = FLAG_ADVANCED | FLAG_SHARE,
        },
        {
                .label          = "name cache timeout",
@@ -2534,6 +2568,51 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED | FLAG_GLOBAL,
        },
+       {
+               .label          = "ctdb timeout",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ctdb_timeout,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED | FLAG_GLOBAL,
+       },
+       {
+               .label          = "ctdb locktime warn threshold",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ctdb_locktime_warn_threshold,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED | FLAG_GLOBAL,
+       },
+       {
+               .label          = "smb2 max read",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ismb2_max_read,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
+       {
+               .label          = "smb2 max write",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ismb2_max_write,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
+       {
+               .label          = "smb2 max trans",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ismb2_max_trans,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
 
        {N_("Printing Options"), P_SEP, P_SEPARATOR},
 
@@ -3207,6 +3286,15 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
+       {
+               .label          = "username map cache time",
+               .type           = P_INTEGER,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.iUsernameMapCacheTime,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
        {
                .label          = "logon script",
                .type           = P_STRING,
@@ -3258,6 +3346,8 @@ static struct parm_struct parm_table[] = {
                .type           = P_LIST,
                .p_class        = P_GLOBAL,
                .ptr            = &Globals.szInitLogonDelayedHosts,
+               .special        = NULL,
+               .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
 
@@ -3266,6 +3356,8 @@ static struct parm_struct parm_table[] = {
                .type           = P_INTEGER,
                .p_class        = P_GLOBAL,
                .ptr            = &Globals.InitLogonDelay,
+               .special        = NULL,
+               .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
 
        },
@@ -3650,6 +3742,24 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
+       {
+               .label          = "ldap deref",
+               .type           = P_ENUM,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ldap_deref,
+               .special        = NULL,
+               .enum_list      = enum_ldap_deref,
+               .flags          = FLAG_ADVANCED,
+       },
+       {
+               .label          = "ldap follow referral",
+               .type           = P_ENUM,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.ldap_follow_referral,
+               .special        = NULL,
+               .enum_list      = enum_bool_auto,
+               .flags          = FLAG_ADVANCED,
+       },
        {
                .label          = "ldap timeout",
                .type           = P_INTEGER,
@@ -3937,6 +4047,15 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
+       {
+               .label          = "nmbd bind explicit broadcast",
+               .type           = P_BOOL,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.bNmbdBindExplicitBroadcast,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
        {
                .label          = "homedir map",
                .type           = P_STRING,
@@ -4273,8 +4392,17 @@ static struct parm_struct parm_table[] = {
        {
                .label          = "fake directory create times",
                .type           = P_BOOL,
+               .p_class        = P_LOCAL,
+               .ptr            = &sDefault.bFakeDirCreateTimes,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED | FLAG_GLOBAL,
+       },
+       {
+               .label          = "async smb echo handler",
+               .type           = P_BOOL,
                .p_class        = P_GLOBAL,
-               .ptr            = &Globals.bFakeDirCreateTimes,
+               .ptr            = &Globals.bAsyncSMBEchoHandler,
                .special        = NULL,
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED | FLAG_GLOBAL,
@@ -4577,6 +4705,15 @@ static struct parm_struct parm_table[] = {
                .enum_list      = NULL,
                .flags          = FLAG_ADVANCED,
        },
+       {
+               .label          = "create krb5 conf",
+               .type           = P_BOOL,
+               .p_class        = P_GLOBAL,
+               .ptr            = &Globals.bCreateKrb5Conf,
+               .special        = NULL,
+               .enum_list      = NULL,
+               .flags          = FLAG_ADVANCED,
+       },
 
        {NULL,  P_BOOL,  P_NONE,  NULL,  NULL,  NULL,  0}
 };
@@ -4701,6 +4838,22 @@ static int max_open_files(void)
 #endif
 #endif
 
+       if (sysctl_max < MIN_OPEN_FILES_WINDOWS) {
+               DEBUG(2,("max_open_files: sysctl_max (%d) below "
+                       "minimum Windows limit (%d)\n",
+                       sysctl_max,
+                       MIN_OPEN_FILES_WINDOWS));
+               sysctl_max = MIN_OPEN_FILES_WINDOWS;
+       }
+
+       if (rlimit_max < MIN_OPEN_FILES_WINDOWS) {
+               DEBUG(2,("rlimit_max: rlimit_max (%d) below "
+                       "minimum Windows limit (%d)\n",
+                       rlimit_max,
+                       MIN_OPEN_FILES_WINDOWS));
+               rlimit_max = MIN_OPEN_FILES_WINDOWS;
+       }
+
        return MIN(sysctl_max, rlimit_max);
 }
 
@@ -4880,6 +5033,11 @@ static void init_globals(bool first_time_only)
        string_set(&Globals.szCacheDir, get_dyn_CACHEDIR());
        string_set(&Globals.szPidDir, get_dyn_PIDDIR());
        string_set(&Globals.szSocketAddress, "0.0.0.0");
+       /*
+        * By default support explicit binding to broadcast
+        * addresses.
+        */
+       Globals.bNmbdBindExplicitBroadcast = true;
 
        if (asprintf(&s, "Samba %s", samba_version_string()) < 0) {
                smb_panic("init_globals: ENOMEM");
@@ -4945,7 +5103,7 @@ static void init_globals(bool first_time_only)
        Globals.bTimestampLogs = True;
        string_set(&Globals.szLogLevel, "0");
        Globals.bDebugPrefixTimestamp = False;
-       Globals.bDebugHiresTimestamp = False;
+       Globals.bDebugHiresTimestamp = true;
        Globals.bDebugPid = False;
        Globals.bDebugUid = False;
        Globals.bDebugClass = False;
@@ -4994,6 +5152,8 @@ static void init_globals(bool first_time_only)
 #endif
        Globals.bUnixExtensions = True;
        Globals.bResetOnZeroVC = False;
+       Globals.bLogWriteableFilesOnExit = False;
+       Globals.bCreateKrb5Conf = true;
 
        /* hostname lookups can be very expensive and are broken on
           a large number of sites (tridge) */
@@ -5009,9 +5169,11 @@ static void init_globals(bool first_time_only)
        string_set(&Globals.szLdapAdminDn, "");
        Globals.ldap_ssl = LDAP_SSL_START_TLS;
        Globals.ldap_ssl_ads = False;
+       Globals.ldap_deref = -1;
        Globals.ldap_passwd_sync = LDAP_PASSWD_SYNC_OFF;
        Globals.ldap_delete_dn = False;
        Globals.ldap_replication_sleep = 1000; /* wait 1 sec for replication */
+       Globals.ldap_follow_referral = Auto;
        Globals.ldap_timeout = LDAP_DEFAULT_TIMEOUT;
        Globals.ldap_connection_timeout = LDAP_CONNECTION_DEFAULT_TIMEOUT;
        Globals.ldap_page_size = LDAP_PAGE_SIZE;
@@ -5067,6 +5229,8 @@ static void init_globals(bool first_time_only)
        string_set(&Globals.ctdbdSocket, "");
        Globals.szClusterAddresses = NULL;
        Globals.clustering = False;
+       Globals.ctdb_timeout = 0;
+       Globals.ctdb_locktime_warn_threshold = 0;
 
        Globals.winbind_cache_time = 300;       /* 5 minutes */
        Globals.winbind_reconnect_delay = 30;   /* 30 seconds */
@@ -5121,6 +5285,10 @@ static void init_globals(bool first_time_only)
        Globals.iminreceivefile = 0;
 
        Globals.bMapUntrustedToDomain = false;
+
+       Globals.ismb2_max_read = 1024*1024;
+       Globals.ismb2_max_write = 1024*1024;
+       Globals.ismb2_max_trans = 1024*1024;
 }
 
 /*******************************************************************
@@ -5265,6 +5433,7 @@ FN_GLOBAL_CONST_STRING(lp_logon_drive, &Globals.szLogonDrive)
 FN_GLOBAL_CONST_STRING(lp_logon_home, &Globals.szLogonHome)
 FN_GLOBAL_STRING(lp_remote_announce, &Globals.szRemoteAnnounce)
 FN_GLOBAL_STRING(lp_remote_browse_sync, &Globals.szRemoteBrowseSync)
+FN_GLOBAL_BOOL(lp_nmbd_bind_explicit_broadcast, &Globals.bNmbdBindExplicitBroadcast)
 FN_GLOBAL_LIST(lp_wins_server_list, &Globals.szWINSservers)
 FN_GLOBAL_LIST(lp_interfaces, &Globals.szInterfaces)
 FN_GLOBAL_STRING(lp_nis_home_map_name, &Globals.szNISHomeMapName)
@@ -5274,6 +5443,7 @@ FN_GLOBAL_LIST(lp_netbios_aliases, &Globals.szNetbiosAliases)
  * lp_passdb_backend() should be replace by the this macro again after
  * some releases.
  * */
+#ifndef ENABLE_S3COMPAT
 const char *lp_passdb_backend(void)
 {
        char *delim, *quote;
@@ -5312,6 +5482,7 @@ warn:
 out:
        return Globals.szPassdbBackend;
 }
+#endif
 FN_GLOBAL_LIST(lp_preload_modules, &Globals.szPreloadModules)
 FN_GLOBAL_STRING(lp_panic_action, &Globals.szPanicAction)
 FN_GLOBAL_STRING(lp_adduser_script, &Globals.szAddUserScript)
@@ -5330,6 +5501,7 @@ FN_GLOBAL_STRING(lp_addmachine_script, &Globals.szAddMachineScript)
 FN_GLOBAL_STRING(lp_shutdown_script, &Globals.szShutdownScript)
 FN_GLOBAL_STRING(lp_abort_shutdown_script, &Globals.szAbortShutdownScript)
 FN_GLOBAL_STRING(lp_username_map_script, &Globals.szUsernameMapScript)
+FN_GLOBAL_INTEGER(lp_username_map_cache_time, &Globals.iUsernameMapCacheTime)
 
 FN_GLOBAL_STRING(lp_check_password_script, &Globals.szCheckPasswordScript)
 
@@ -5348,9 +5520,12 @@ FN_GLOBAL_BOOL(lp_winbind_refresh_tickets, &Globals.bWinbindRefreshTickets)
 FN_GLOBAL_BOOL(lp_winbind_offline_logon, &Globals.bWinbindOfflineLogon)
 FN_GLOBAL_BOOL(lp_winbind_normalize_names, &Globals.bWinbindNormalizeNames)
 FN_GLOBAL_BOOL(lp_winbind_rpc_only, &Globals.bWinbindRpcOnly)
+FN_GLOBAL_BOOL(lp_create_krb5_conf, &Globals.bCreateKrb5Conf)
 
+#ifndef ENABLE_S3COMPAT
 FN_GLOBAL_CONST_STRING(lp_idmap_backend, &Globals.szIdmapBackend)
 FN_GLOBAL_STRING(lp_idmap_alloc_backend, &Globals.szIdmapAllocBackend)
+#endif
 FN_GLOBAL_INTEGER(lp_idmap_cache_time, &Globals.iIdmapCacheTime)
 FN_GLOBAL_INTEGER(lp_idmap_negative_cache_time, &Globals.iIdmapNegativeCacheTime)
 FN_GLOBAL_INTEGER(lp_keepalive, &Globals.iKeepalive)
@@ -5360,6 +5535,8 @@ FN_GLOBAL_STRING(lp_ldap_suffix, &Globals.szLdapSuffix)
 FN_GLOBAL_STRING(lp_ldap_admin_dn, &Globals.szLdapAdminDn)
 FN_GLOBAL_INTEGER(lp_ldap_ssl, &Globals.ldap_ssl)
 FN_GLOBAL_BOOL(lp_ldap_ssl_ads, &Globals.ldap_ssl_ads)
+FN_GLOBAL_INTEGER(lp_ldap_deref, &Globals.ldap_deref)
+FN_GLOBAL_INTEGER(lp_ldap_follow_referral, &Globals.ldap_follow_referral)
 FN_GLOBAL_INTEGER(lp_ldap_passwd_sync, &Globals.ldap_passwd_sync)
 FN_GLOBAL_BOOL(lp_ldap_delete_dn, &Globals.ldap_delete_dn)
 FN_GLOBAL_INTEGER(lp_ldap_replication_sleep, &Globals.ldap_replication_sleep)
@@ -5382,6 +5559,8 @@ FN_GLOBAL_BOOL(lp_usershare_allow_guests, &Globals.bUsershareAllowGuests)
 FN_GLOBAL_BOOL(lp_usershare_owner_only, &Globals.bUsershareOwnerOnly)
 FN_GLOBAL_BOOL(lp_disable_netbios, &Globals.bDisableNetbios)
 FN_GLOBAL_BOOL(lp_reset_on_zero_vc, &Globals.bResetOnZeroVC)
+FN_GLOBAL_BOOL(lp_log_writeable_files_on_exit,
+              &Globals.bLogWriteableFilesOnExit)
 FN_GLOBAL_BOOL(lp_ms_add_printer_wizard, &Globals.bMsAddPrinterWizard)
 FN_GLOBAL_BOOL(lp_dns_proxy, &Globals.bDNSproxy)
 FN_GLOBAL_BOOL(lp_wins_support, &Globals.bWINSsupport)
@@ -5392,9 +5571,9 @@ FN_GLOBAL_BOOL(lp_domain_logons, &Globals.bDomainLogons)
 FN_GLOBAL_LIST(lp_init_logon_delayed_hosts, &Globals.szInitLogonDelayedHosts)
 FN_GLOBAL_INTEGER(lp_init_logon_delay, &Globals.InitLogonDelay)
 FN_GLOBAL_BOOL(lp_load_printers, &Globals.bLoadPrinters)
-FN_GLOBAL_BOOL(lp_readraw, &Globals.bReadRaw)
+FN_GLOBAL_BOOL(_lp_readraw, &Globals.bReadRaw)
 FN_GLOBAL_BOOL(lp_large_readwrite, &Globals.bLargeReadwrite)
-FN_GLOBAL_BOOL(lp_writeraw, &Globals.bWriteRaw)
+FN_GLOBAL_BOOL(_lp_writeraw, &Globals.bWriteRaw)
 FN_GLOBAL_BOOL(lp_null_passwords, &Globals.bNullPasswords)
 FN_GLOBAL_BOOL(lp_obey_pam_restrictions, &Globals.bObeyPamRestrictions)
 FN_GLOBAL_BOOL(lp_encrypted_passwords, &Globals.bEncryptPasswords)
@@ -5459,7 +5638,9 @@ FN_GLOBAL_INTEGER(lp_deadtime, &Globals.deadtime)
 FN_GLOBAL_BOOL(lp_getwd_cache, &Globals.getwd_cache)
 FN_GLOBAL_INTEGER(lp_maxprotocol, &Globals.maxprotocol)
 FN_GLOBAL_INTEGER(lp_minprotocol, &Globals.minprotocol)
+#ifndef ENABLE_S3COMPAT
 FN_GLOBAL_INTEGER(lp_security, &Globals.security)
+#endif
 FN_GLOBAL_LIST(lp_auth_methods, &Globals.AuthMethods)
 FN_GLOBAL_BOOL(lp_paranoid_server_security, &Globals.paranoid_server_security)
 FN_GLOBAL_INTEGER(lp_maxdisksize, &Globals.maxdisksize)
@@ -5477,6 +5658,9 @@ FN_GLOBAL_INTEGER(lp_lock_spin_time, &Globals.iLockSpinTime)
 FN_GLOBAL_INTEGER(lp_usershare_max_shares, &Globals.iUsershareMaxShares)
 FN_GLOBAL_CONST_STRING(lp_socket_options, &Globals.szSocketOptions)
 FN_GLOBAL_INTEGER(lp_config_backend, &Globals.ConfigBackend)
+FN_GLOBAL_INTEGER(lp_smb2_max_read, &Globals.ismb2_max_read)
+FN_GLOBAL_INTEGER(lp_smb2_max_write, &Globals.ismb2_max_write)
+FN_GLOBAL_INTEGER(lp_smb2_max_trans, &Globals.ismb2_max_trans)
 
 FN_LOCAL_STRING(lp_preexec, szPreExec)
 FN_LOCAL_STRING(lp_postexec, szPostExec)
@@ -5495,26 +5679,29 @@ FN_LOCAL_STRING(lp_cups_options, szCupsOptions)
 FN_GLOBAL_STRING(lp_cups_server, &Globals.szCupsServer)
 int lp_cups_encrypt(void)
 {
+       int result = 0;
 #ifdef HAVE_HTTPCONNECTENCRYPT
        switch (Globals.CupsEncrypt) {
                case Auto:
-                       Globals.CupsEncrypt = HTTP_ENCRYPT_REQUIRED;
+                       result = HTTP_ENCRYPT_REQUIRED;
                        break;
                case True:
-                       Globals.CupsEncrypt = HTTP_ENCRYPT_ALWAYS;
+                       result = HTTP_ENCRYPT_ALWAYS;
                        break;
                case False:
-                       Globals.CupsEncrypt = HTTP_ENCRYPT_NEVER;
+                       result = HTTP_ENCRYPT_NEVER;
                        break;
        }
 #endif
-       return Globals.CupsEncrypt;
+       return result;
 }
 FN_GLOBAL_STRING(lp_iprint_server, &Globals.szIPrintServer)
 FN_GLOBAL_INTEGER(lp_cups_connection_timeout, &Globals.cups_connection_timeout)
 FN_GLOBAL_CONST_STRING(lp_ctdbd_socket, &Globals.ctdbdSocket)
 FN_GLOBAL_LIST(lp_cluster_addresses, &Globals.szClusterAddresses)
 FN_GLOBAL_BOOL(lp_clustering, &Globals.clustering)
+FN_GLOBAL_INTEGER(lp_ctdb_timeout, &Globals.ctdb_timeout)
+FN_GLOBAL_INTEGER(lp_ctdb_locktime_warn_threshold, &Globals.ctdb_locktime_warn_threshold)
 FN_LOCAL_STRING(lp_printcommand, szPrintcommand)
 FN_LOCAL_STRING(lp_lpqcommand, szLpqcommand)
 FN_LOCAL_STRING(lp_lprmcommand, szLprmcommand)
@@ -5574,7 +5761,6 @@ FN_LOCAL_BOOL(lp_oplocks, bOpLocks)
 FN_LOCAL_BOOL(lp_level2_oplocks, bLevel2OpLocks)
 FN_LOCAL_BOOL(lp_onlyuser, bOnlyUser)
 FN_LOCAL_PARM_BOOL(lp_manglednames, bMangledNames)
-FN_LOCAL_BOOL(lp_widelinks, bWidelinks)
 FN_LOCAL_BOOL(lp_symlinks, bSymlinks)
 FN_LOCAL_BOOL(lp_syncalways, bSyncAlways)
 FN_LOCAL_BOOL(lp_strict_allocate, bStrictAllocate)
@@ -5586,7 +5772,8 @@ FN_LOCAL_BOOL(lp_recursive_veto_delete, bDeleteVetoFiles)
 FN_LOCAL_BOOL(lp_dos_filemode, bDosFilemode)
 FN_LOCAL_BOOL(lp_dos_filetimes, bDosFiletimes)
 FN_LOCAL_BOOL(lp_dos_filetime_resolution, bDosFiletimeResolution)
-FN_GLOBAL_BOOL(lp_fake_dir_create_times, &Globals.bFakeDirCreateTimes)
+FN_LOCAL_BOOL(lp_fake_dir_create_times, bFakeDirCreateTimes)
+FN_GLOBAL_BOOL(lp_async_smb_echo_handler, &Globals.bAsyncSMBEchoHandler)
 FN_LOCAL_BOOL(lp_blocking_locks, bBlockingLocks)
 FN_LOCAL_BOOL(lp_inherit_perms, bInheritPerms)
 FN_LOCAL_BOOL(lp_inherit_acls, bInheritACLS)
@@ -5655,7 +5842,6 @@ static void init_copymap(struct service *pservice);
 static bool hash_a_service(const char *name, int number);
 static void free_service_byindex(int iService);
 static void free_param_opts(struct param_opt_struct **popts);
-static char * canonicalize_servicename(const char *name);
 static void show_parameter(int parmIndex);
 static bool is_synonym_of(int parm1, int parm2, bool *inverse);
 
@@ -5670,16 +5856,16 @@ static struct param_opt_struct *get_parametrics(int snum, const char *type,
        bool global_section = False;
        char* param_key;
         struct param_opt_struct *data;
-       
+
        if (snum >= iNumServices) return NULL;
-       
+
        if (snum < 0) { 
                data = Globals.param_opt;
                global_section = True;
        } else {
                data = ServicePtrs[snum]->param_opt;
        }
-    
+
        if (asprintf(&param_key, "%s:%s", type, option) == -1) {
                DEBUG(0,("asprintf failed!\n"));
                return NULL;
@@ -5707,7 +5893,7 @@ static struct param_opt_struct *get_parametrics(int snum, const char *type,
        }
 
        string_free(&param_key);
-       
+
        return NULL;
 }
 
@@ -5754,7 +5940,7 @@ static bool lp_bool(const char *s)
                MISSING_PARAMETER(lp_bool);
                return False;
        }
-       
+
        if (!set_boolean(s, &ret)) {
                DEBUG(0,("lp_bool(%s): value is not boolean!\n",s));
                return False;
@@ -5774,7 +5960,7 @@ static int lp_enum(const char *s,const struct enum_list *_enum)
                MISSING_PARAMETER(lp_enum);
                return (-1);
        }
-       
+
        for (i=0; _enum[i].name; i++) {
                if (strequal(_enum[i].name,s))
                        return _enum[i].value;
@@ -5804,7 +5990,7 @@ static int lp_enum(const char *s,const struct enum_list *_enum)
 char *lp_parm_talloc_string(int snum, const char *type, const char *option, const char *def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data == NULL||data->value==NULL) {
                if (def) {
                        return lp_string(def);
@@ -5821,10 +6007,10 @@ char *lp_parm_talloc_string(int snum, const char *type, const char *option, cons
 const char *lp_parm_const_string(int snum, const char *type, const char *option, const char *def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data == NULL||data->value==NULL)
                return def;
-               
+
        return data->value;
 }
 
@@ -5837,7 +6023,7 @@ const char **lp_parm_string_list(int snum, const char *type, const char *option,
 
        if (data == NULL||data->value==NULL)
                return (const char **)def;
-               
+
        if (data->list==NULL) {
                data->list = str_list_make_v3(talloc_autofree_context(), data->value, NULL);
        }
@@ -5851,7 +6037,7 @@ const char **lp_parm_string_list(int snum, const char *type, const char *option,
 int lp_parm_int(int snum, const char *type, const char *option, int def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data && data->value && *data->value)
                return lp_int(data->value);
 
@@ -5864,7 +6050,7 @@ int lp_parm_int(int snum, const char *type, const char *option, int def)
 unsigned long lp_parm_ulong(int snum, const char *type, const char *option, unsigned long def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data && data->value && *data->value)
                return lp_ulong(data->value);
 
@@ -5877,7 +6063,7 @@ unsigned long lp_parm_ulong(int snum, const char *type, const char *option, unsi
 bool lp_parm_bool(int snum, const char *type, const char *option, bool def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data && data->value && *data->value)
                return lp_bool(data->value);
 
@@ -5891,7 +6077,7 @@ int lp_parm_enum(int snum, const char *type, const char *option,
                 const struct enum_list *_enum, int def)
 {
        struct param_opt_struct *data = get_parametrics(snum, type, option);
-       
+
        if (data && data->value && *data->value && _enum)
                return lp_enum(data->value, _enum);
 
@@ -5955,7 +6141,7 @@ static void free_service(struct service *pservice)
        free_parameters(pservice);
 
        string_free(&pservice->szService);
-       bitmap_free(pservice->copymap);
+       TALLOC_FREE(pservice->copymap);
 
        free_param_opts(&pservice->param_opt);
 
@@ -5980,8 +6166,9 @@ static void free_service_byindex(int idx)
 
        if (ServicePtrs[idx]->szService) {
                char *canon_name = canonicalize_servicename(
+                       talloc_tos(),
                        ServicePtrs[idx]->szService );
-               
+
                dbwrap_delete_bystring(ServiceHash, canon_name );
                TALLOC_FREE(canon_name);
        }
@@ -6023,7 +6210,7 @@ static int add_a_service(const struct service *pservice, const char *name)
        if (i == iNumServices) {
                struct service **tsp;
                int *tinvalid;
-               
+
                tsp = SMB_REALLOC_ARRAY_KEEP_OLD_ON_ERROR(ServicePtrs, struct service *, num_to_alloc);
                if (tsp == NULL) {
                        DEBUG(0,("add_a_service: failed to enlarge ServicePtrs!\n"));
@@ -6056,14 +6243,14 @@ static int add_a_service(const struct service *pservice, const char *name)
        copy_service(ServicePtrs[i], &tservice, NULL);
        if (name)
                string_set(&ServicePtrs[i]->szService, name);
-               
+
        DEBUG(8,("add_a_service: Creating snum = %d for %s\n", 
                i, ServicePtrs[i]->szService));
 
        if (!hash_a_service(ServicePtrs[i]->szService, i)) {
                return (-1);
        }
-               
+
        return (i);
 }
 
@@ -6071,7 +6258,7 @@ static int add_a_service(const struct service *pservice, const char *name)
   Convert a string to uppercase and remove whitespaces.
 ***************************************************************************/
 
-static char *canonicalize_servicename(const char *src)
+char *canonicalize_servicename(TALLOC_CTX *ctx, const char *src)
 {
        char *result;
 
@@ -6080,7 +6267,7 @@ static char *canonicalize_servicename(const char *src)
                return NULL;
        }
 
-       result = talloc_strdup(talloc_tos(), src);
+       result = talloc_strdup(ctx, src);
        SMB_ASSERT(result != NULL);
 
        strlower_m(result);
@@ -6107,7 +6294,7 @@ static bool hash_a_service(const char *name, int idx)
        DEBUG(10,("hash_a_service: hashing index %d for service name %s\n",
                idx, name));
 
-       canon_name = canonicalize_servicename( name );
+       canon_name = canonicalize_servicename(talloc_tos(), name );
 
        dbwrap_store_bystring(ServiceHash, canon_name,
                              make_tdb_data((uint8 *)&idx, sizeof(idx)),
@@ -6128,6 +6315,11 @@ bool lp_add_home(const char *pszHomename, int iDefaultService,
 {
        int i;
 
+       if (pszHomename == NULL || user == NULL || pszHomedir == NULL ||
+                       pszHomedir[0] == '\0') {
+               return false;
+       }
+
        i = add_a_service(ServicePtrs[iDefaultService], pszHomename);
 
        if (i < 0)
@@ -6241,7 +6433,7 @@ bool lp_add_printer(const char *pszPrintername, int iDefaultService)
        ServicePtrs[i]->bOpLocks = False;
        /* Printer services must be printable. */
        ServicePtrs[i]->bPrint_ok = True;
-       
+
        DEBUG(3, ("adding printer service %s\n", pszPrintername));
 
        return (True);
@@ -6609,7 +6801,7 @@ static int getservicebyname(const char *pszServiceName, struct service *pservice
                return -1;
        }
 
-       canon_name = canonicalize_servicename(pszServiceName);
+       canon_name = canonicalize_servicename(talloc_tos(), pszServiceName);
 
        data = dbwrap_fetch_bystring(ServiceHash, canon_name, canon_name);
 
@@ -6731,7 +6923,7 @@ static void copy_service(struct service *pserviceDest, struct service *pserviceS
                        bitmap_copy(pserviceDest->copymap,
                                    pserviceSource->copymap);
        }
-       
+
        data = pserviceSource->param_opt;
        while (data) {
                set_param_opt(&pserviceDest->param_opt, data->key, data->value);
@@ -6967,6 +7159,7 @@ static void add_to_file_list(const char *fname, const char *subfname)
                }
                f->subfname = SMB_STRDUP(subfname);
                if (!f->subfname) {
+                       SAFE_FREE(f->name);
                        SAFE_FREE(f);
                        return;
                }
@@ -6977,6 +7170,7 @@ static void add_to_file_list(const char *fname, const char *subfname)
                if (t)
                        f->modtime = t;
        }
+       return;
 }
 
 /**
@@ -7026,7 +7220,6 @@ bool lp_file_list_changed(void)
        DEBUG(6, ("lp_file_list_changed()\n"));
 
        while (f) {
-               char *n2 = NULL;
                time_t mod_time;
 
                if (strequal(f->name, INCLUDE_REGISTRY_NAME)) {
@@ -7042,9 +7235,11 @@ bool lp_file_list_changed(void)
                                return true;
                        }
                } else {
-                       n2 = alloc_sub_basic(get_current_username(),
-                                           current_user_info.domain,
-                                           f->name);
+                       char *n2 = NULL;
+                       n2 = talloc_sub_basic(talloc_tos(),
+                                             get_current_username(),
+                                             current_user_info.domain,
+                                             f->name);
                        if (!n2) {
                                return false;
                        }
@@ -7063,12 +7258,11 @@ bool lp_file_list_changed(void)
                                          ctime(&mod_time)));
                                f->modtime = mod_time;
                                SAFE_FREE(f->subfname);
-                               f->subfname = n2; /* Passing ownership of
-                                                    return from alloc_sub_basic
-                                                    above. */
+                               f->subfname = SMB_STRDUP(n2);
+                               TALLOC_FREE(n2);
                                return true;
                        }
-                       SAFE_FREE(n2);
+                       TALLOC_FREE(n2);
                }
                f = f->next;
        }
@@ -7085,12 +7279,12 @@ bool lp_file_list_changed(void)
 static bool handle_netbios_name(int snum, const char *pszParmValue, char **ptr)
 {
        bool ret;
-       char *netbios_name = alloc_sub_basic(get_current_username(),
-                                       current_user_info.domain,
-                                       pszParmValue);
+       char *netbios_name = talloc_sub_basic(
+               talloc_tos(), get_current_username(), current_user_info.domain,
+               pszParmValue);
 
        ret = set_global_myname(netbios_name);
-       SAFE_FREE(netbios_name);
+       TALLOC_FREE(netbios_name);
        string_set(&Globals.szNetbiosName,global_myname());
 
        DEBUG(4, ("handle_netbios_name: set global_myname to: %s\n",
@@ -7113,17 +7307,17 @@ static bool handle_charset(int snum, const char *pszParmValue, char **ptr)
 static bool handle_workgroup(int snum, const char *pszParmValue, char **ptr)
 {
        bool ret;
-       
+
        ret = set_global_myworkgroup(pszParmValue);
        string_set(&Globals.szWorkgroup,lp_workgroup());
-       
+
        return ret;
 }
 
 static bool handle_netbios_scope(int snum, const char *pszParmValue, char **ptr)
 {
        bool ret;
-       
+
        ret = set_global_scope(pszParmValue);
        string_set(&Globals.szNetbiosScope,global_scope());
 
@@ -7169,9 +7363,9 @@ static bool handle_include(int snum, const char *pszParmValue, char **ptr)
                }
        }
 
-       fname = alloc_sub_basic(get_current_username(),
-                               current_user_info.domain,
-                               pszParmValue);
+       fname = talloc_sub_basic(talloc_tos(), get_current_username(),
+                                current_user_info.domain,
+                                pszParmValue);
 
        add_to_file_list(pszParmValue, fname);
 
@@ -7182,12 +7376,12 @@ static bool handle_include(int snum, const char *pszParmValue, char **ptr)
                include_depth++;
                ret = pm_process(fname, do_section, do_parameter, NULL);
                include_depth--;
-               SAFE_FREE(fname);
+               TALLOC_FREE(fname);
                return ret;
        }
 
        DEBUG(2, ("Can't find include file %s\n", fname));
-       SAFE_FREE(fname);
+       TALLOC_FREE(fname);
        return true;
 }
 
@@ -7428,10 +7622,11 @@ static bool handle_printing(int snum, const char *pszParmValue, char **ptr)
 static void init_copymap(struct service *pservice)
 {
        int i;
-       if (pservice->copymap) {
-               bitmap_free(pservice->copymap);
-       }
-       pservice->copymap = bitmap_allocate(NUMPARAMETERS);
+
+       TALLOC_FREE(pservice->copymap);
+
+       pservice->copymap = bitmap_talloc(talloc_autofree_context(),
+                                         NUMPARAMETERS);
        if (!pservice->copymap)
                DEBUG(0,
                      ("Couldn't allocate copymap!! (size %d)\n",
@@ -7804,7 +7999,7 @@ static void dump_globals(FILE *f)
 {
        int i;
        struct param_opt_struct *data;
-       
+
        fprintf(f, "[global]\n");
 
        for (i = 0; parm_table[i].label; i++)
@@ -7849,7 +8044,7 @@ static void dump_a_service(struct service *pService, FILE * f)
 {
        int i;
        struct param_opt_struct *data;
-       
+
        if (pService != &sDefault)
                fprintf(f, "[%s]\n", pService->szService);
 
@@ -7861,7 +8056,6 @@ static void dump_a_service(struct service *pService, FILE * f)
                    (*parm_table[i].label != '-') &&
                    (i == 0 || (parm_table[i].ptr != parm_table[i - 1].ptr))) 
                {
-               
                        int pdiff = PTR_DIFF(parm_table[i].ptr, &sDefault);
 
                        if (pService == &sDefault) {
@@ -7998,7 +8192,7 @@ struct parm_struct *lp_next_parameter(int snum, int *i, int allparameters)
                            && (parm_table[*i].ptr ==
                                parm_table[(*i) - 1].ptr))
                                continue;
-                       
+
                        if (is_default(*i) && !allparameters)
                                continue;
 
@@ -8099,7 +8293,7 @@ static void lp_add_auto_services(char *str)
 
                home = get_user_home_dir(talloc_tos(), p);
 
-               if (home && homes >= 0)
+               if (home && home[0] && homes >= 0)
                        lp_add_home(p, homes, p, home);
 
                TALLOC_FREE(home);
@@ -8223,79 +8417,6 @@ static void lp_save_defaults(void)
        defaults_saved = True;
 }
 
-/*******************************************************************
- Set the server type we will announce as via nmbd.
-********************************************************************/
-
-static const struct srv_role_tab {
-       uint32 role;
-       const char *role_str;
-} srv_role_tab [] = {
-       { ROLE_STANDALONE, "ROLE_STANDALONE" },
-       { ROLE_DOMAIN_MEMBER, "ROLE_DOMAIN_MEMBER" },
-       { ROLE_DOMAIN_BDC, "ROLE_DOMAIN_BDC" },
-       { ROLE_DOMAIN_PDC, "ROLE_DOMAIN_PDC" },
-       { 0, NULL }
-};
-
-const char* server_role_str(uint32 role)
-{
-       int i = 0;
-       for (i=0; srv_role_tab[i].role_str; i++) {
-               if (role == srv_role_tab[i].role) {
-                       return srv_role_tab[i].role_str;
-               }
-       }
-       return NULL;
-}
-
-static void set_server_role(void)
-{
-       server_role = ROLE_STANDALONE;
-
-       switch (lp_security()) {
-               case SEC_SHARE:
-                       if (lp_domain_logons())
-                               DEBUG(0, ("Server's Role (logon server) conflicts with share-level security\n"));
-                       break;
-               case SEC_SERVER:
-                       if (lp_domain_logons())
-                               DEBUG(0, ("Server's Role (logon server) conflicts with server-level security\n"));
-                       /* this used to be considered ROLE_DOMAIN_MEMBER but that's just wrong */
-                       server_role = ROLE_STANDALONE;
-                       break;
-               case SEC_DOMAIN:
-                       if (lp_domain_logons()) {
-                               DEBUG(1, ("Server's Role (logon server) NOT ADVISED with domain-level security\n"));
-                               server_role = ROLE_DOMAIN_BDC;
-                               break;
-                       }
-                       server_role = ROLE_DOMAIN_MEMBER;
-                       break;
-               case SEC_ADS:
-                       if (lp_domain_logons()) {
-                               server_role = ROLE_DOMAIN_PDC;
-                               break;
-                       }
-                       server_role = ROLE_DOMAIN_MEMBER;
-                       break;
-               case SEC_USER:
-                       if (lp_domain_logons()) {
-
-                               if (Globals.iDomainMaster) /* auto or yes */ 
-                                       server_role = ROLE_DOMAIN_PDC;
-                               else
-                                       server_role = ROLE_DOMAIN_BDC;
-                       }
-                       break;
-               default:
-                       DEBUG(0, ("Server's Role undefined due to unknown security mode\n"));
-                       break;
-       }
-
-       DEBUG(10, ("set_server_role: role = %s\n", server_role_str(server_role)));
-}
-
 /***********************************************************
  If we should send plaintext/LANMAN passwords in the clinet
 ************************************************************/
@@ -8371,7 +8492,8 @@ enum usershare_err parse_usershare_file(TALLOC_CTX *ctx,
                        int numlines,
                        char **pp_sharepath,
                        char **pp_comment,
-                       SEC_DESC **ppsd,
+                       char **pp_cp_servicename,
+                       struct security_descriptor **ppsd,
                        bool *pallow_guest)
 {
        const char **prefixallowlist = lp_usershare_prefix_allow_list();
@@ -8438,6 +8560,27 @@ enum usershare_err parse_usershare_file(TALLOC_CTX *ctx,
                if (lines[4][9] == 'y') {
                        *pallow_guest = True;
                }
+
+               /* Backwards compatible extension to file version #2. */
+               if (numlines > 5) {
+                       if (strncmp(lines[5], "sharename=", 10) != 0) {
+                               return USERSHARE_MALFORMED_SHARENAME_DEF;
+                       }
+                       if (!strequal(&lines[5][10], servicename)) {
+                               return USERSHARE_BAD_SHARENAME;
+                       }
+                       *pp_cp_servicename = talloc_strdup(ctx, &lines[5][10]);
+                       if (!*pp_cp_servicename) {
+                               return USERSHARE_POSIX_ERR;
+                       }
+               }
+       }
+
+       if (*pp_cp_servicename == NULL) {
+               *pp_cp_servicename = talloc_strdup(ctx, servicename);
+               if (!*pp_cp_servicename) {
+                       return USERSHARE_POSIX_ERR;
+               }
        }
 
        if (snum != -1 && (strcmp(sharepath, ServicePtrs[snum]->szPath) == 0)) {
@@ -8502,7 +8645,7 @@ enum usershare_err parse_usershare_file(TALLOC_CTX *ctx,
        /* Ensure the owner of the usershare file has permission to share
           this directory. */
 
-       if (sys_stat(sharepath, &sbuf) == -1) {
+       if (sys_stat(sharepath, &sbuf, false) == -1) {
                DEBUG(2,("parse_usershare_file: share %s : stat failed on path %s. %s\n",
                        servicename, sharepath, strerror(errno) ));
                sys_closedir(dp);
@@ -8549,47 +8692,52 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
        char *fname = NULL;
        char *sharepath = NULL;
        char *comment = NULL;
-       fstring service_name;
+       char *cp_service_name = NULL;
        char **lines = NULL;
        int numlines = 0;
        int fd = -1;
        int iService = -1;
-       TALLOC_CTX *ctx = NULL;
-       SEC_DESC *psd = NULL;
+       TALLOC_CTX *ctx = talloc_stackframe();
+       struct security_descriptor *psd = NULL;
        bool guest_ok = False;
+       char *canon_name = NULL;
+       bool added_service = false;
+       int ret = -1;
 
        /* Ensure share name doesn't contain invalid characters. */
        if (!validate_net_name(file_name, INVALID_SHARENAME_CHARS, strlen(file_name))) {
                DEBUG(0,("process_usershare_file: share name %s contains "
                        "invalid characters (any of %s)\n",
                        file_name, INVALID_SHARENAME_CHARS ));
-               return -1;
+               goto out;
        }
 
-       fstrcpy(service_name, file_name);
+       canon_name = canonicalize_servicename(ctx, file_name);
+       if (!canon_name) {
+               goto out;
+       }
 
-       if (asprintf(&fname, "%s/%s", dir_name, file_name) < 0) {
+       fname = talloc_asprintf(ctx, "%s/%s", dir_name, file_name);
+       if (!fname) {
+               goto out;
        }
 
        /* Minimize the race condition by doing an lstat before we
           open and fstat. Ensure this isn't a symlink link. */
 
-       if (sys_lstat(fname, &lsbuf) != 0) {
+       if (sys_lstat(fname, &lsbuf, false) != 0) {
                DEBUG(0,("process_usershare_file: stat of %s failed. %s\n",
                        fname, strerror(errno) ));
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        /* This must be a regular file, not a symlink, directory or
           other strange filetype. */
        if (!check_usershare_stat(fname, &lsbuf)) {
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        {
-               char *canon_name = canonicalize_servicename(service_name);
                TDB_DATA data = dbwrap_fetch_bystring(
                        ServiceHash, canon_name, canon_name);
 
@@ -8598,7 +8746,6 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
                if ((data.dptr != NULL) && (data.dsize == sizeof(iService))) {
                        iService = *(int *)data.dptr;
                }
-               TALLOC_FREE(canon_name);
        }
 
        if (iService != -1 &&
@@ -8606,10 +8753,10 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
                             &lsbuf.st_ex_mtime) == 0) {
                /* Nothing changed - Mark valid and return. */
                DEBUG(10,("process_usershare_file: service %s not changed.\n",
-                       service_name ));
+                       canon_name ));
                ServicePtrs[iService]->usershare = USERSHARE_VALID;
-               SAFE_FREE(fname);
-               return iService;
+               ret = iService;
+               goto out;
        }
 
        /* Try and open the file read only - no symlinks allowed. */
@@ -8622,17 +8769,15 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
        if (fd == -1) {
                DEBUG(0,("process_usershare_file: unable to open %s. %s\n",
                        fname, strerror(errno) ));
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        /* Now fstat to be *SURE* it's a regular file. */
-       if (sys_fstat(fd, &sbuf) != 0) {
+       if (sys_fstat(fd, &sbuf, false) != 0) {
                close(fd);
                DEBUG(0,("process_usershare_file: fstat of %s failed. %s\n",
                        fname, strerror(errno) ));
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        /* Is it the same dev/inode as was lstated ? */
@@ -8640,15 +8785,13 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
                close(fd);
                DEBUG(0,("process_usershare_file: fstat of %s is a different file from lstat. "
                        "Symlink spoofing going on ?\n", fname ));
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        /* This must be a regular file, not a symlink, directory or
           other strange filetype. */
        if (!check_usershare_stat(fname, &sbuf)) {
-               SAFE_FREE(fname);
-               return -1;
+               goto out;
        }
 
        lines = fd_lines_load(fd, &numlines, MAX_USERSHARE_FILE_SIZE, NULL);
@@ -8657,29 +8800,16 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
        if (lines == NULL) {
                DEBUG(0,("process_usershare_file: loading file %s owned by %u failed.\n",
                        fname, (unsigned int)sbuf.st_ex_uid ));
-               SAFE_FREE(fname);
-               return -1;
-       }
-
-       SAFE_FREE(fname);
-
-       /* Should we allow printers to be shared... ? */
-       ctx = talloc_init("usershare_sd_xctx");
-       if (!ctx) {
-               TALLOC_FREE(lines);
-               return 1;
+               goto out;
        }
 
-       if (parse_usershare_file(ctx, &sbuf, service_name,
+       if (parse_usershare_file(ctx, &sbuf, file_name,
                        iService, lines, numlines, &sharepath,
-                       &comment, &psd, &guest_ok) != USERSHARE_OK) {
-               talloc_destroy(ctx);
-               TALLOC_FREE(lines);
-               return -1;
+                       &comment, &cp_service_name,
+                       &psd, &guest_ok) != USERSHARE_OK) {
+               goto out;
        }
 
-       TALLOC_FREE(lines);
-
        /* Everything ok - add the service possibly using a template. */
        if (iService < 0) {
                const struct service *sp = &sDefault;
@@ -8687,25 +8817,24 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
                        sp = ServicePtrs[snum_template];
                }
 
-               if ((iService = add_a_service(sp, service_name)) < 0) {
+               if ((iService = add_a_service(sp, cp_service_name)) < 0) {
                        DEBUG(0, ("process_usershare_file: Failed to add "
-                               "new service %s\n", service_name));
-                       talloc_destroy(ctx);
-                       return -1;
+                               "new service %s\n", cp_service_name));
+                       goto out;
                }
 
+               added_service = true;
+
                /* Read only is controlled by usershare ACL below. */
                ServicePtrs[iService]->bRead_only = False;
        }
 
        /* Write the ACL of the new/modified share. */
-       if (!set_share_security(service_name, psd)) {
+       if (!set_share_security(canon_name, psd)) {
                 DEBUG(0, ("process_usershare_file: Failed to set share "
                        "security for user share %s\n",
-                       service_name ));
-               lp_remove_service(iService);
-               talloc_destroy(ctx);
-               return -1;
+                       canon_name ));
+               goto out;
        }
 
        /* If from a template it may be marked invalid. */
@@ -8724,20 +8853,17 @@ static int process_usershare_file(const char *dir_name, const char *file_name, i
        string_set(&ServicePtrs[iService]->szPath, sharepath);
        string_set(&ServicePtrs[iService]->comment, comment);
 
-       talloc_destroy(ctx);
+       ret = iService;
 
-       return iService;
-}
+  out:
 
-/***************************************************************************
-Am I a usershare service?
-***************************************************************************/
-bool am_usershare(int iService)
-{
-       if (iService >= 0) {
-               return (ServicePtrs[iService]->usershare == USERSHARE_VALID);
+       if (ret == -1 && iService != -1 && added_service) {
+               lp_remove_service(iService);
        }
-       return false;
+
+       TALLOC_FREE(lines);
+       TALLOC_FREE(ctx);
+       return ret;
 }
 
 /***************************************************************************
@@ -8756,7 +8882,7 @@ static bool usershare_exists(int iService, struct timespec *last_mod)
                return false;
        }
 
-       if (sys_lstat(fname, &lsbuf) != 0) {
+       if (sys_lstat(fname, &lsbuf, false) != 0) {
                SAFE_FREE(fname);
                return false;
        }
@@ -8786,7 +8912,7 @@ int load_usershare_service(const char *servicename)
                return -1;
        }
 
-       if (sys_stat(usersharepath, &sbuf) != 0) {
+       if (sys_stat(usersharepath, &sbuf, false) != 0) {
                DEBUG(0,("load_usershare_service: stat of %s failed. %s\n",
                        usersharepath, strerror(errno) ));
                return -1;
@@ -8863,7 +8989,7 @@ int load_usershare_shares(void)
                return lp_numservices();
        }
 
-       if (sys_stat(usersharepath, &sbuf) != 0) {
+       if (sys_stat(usersharepath, &sbuf, false) != 0) {
                DEBUG(0,("load_usershare_shares: stat of %s failed. %s\n",
                        usersharepath, strerror(errno) ));
                return ret;
@@ -9081,7 +9207,7 @@ bool lp_load_ex(const char *pszFname,
        iServiceIndex = -1;
 
        if (lp_config_backend_is_file()) {
-               n2 = alloc_sub_basic(get_current_username(),
+               n2 = talloc_sub_basic(talloc_tos(), get_current_username(),
                                        current_user_info.domain,
                                        pszFname);
                if (!n2) {
@@ -9091,7 +9217,7 @@ bool lp_load_ex(const char *pszFname,
                add_to_file_list(pszFname, n2);
 
                bRetval = pm_process(n2, do_section, do_parameter, NULL);
-               SAFE_FREE(n2);
+               TALLOC_FREE(n2);
 
                /* finish up the last section */
                DEBUG(4, ("pm_process() returned %s\n", BOOLSTR(bRetval)));
@@ -9256,11 +9382,11 @@ int lp_servicenumber(const char *pszServiceName)
 {
        int iService;
         fstring serviceName;
-        
+
         if (!pszServiceName) {
                return GLOBAL_SECTION_SNUM;
        }
-        
+
        for (iService = iNumServices - 1; iService >= 0; iService--) {
                if (VALID(iService) && ServicePtrs[iService]->szService) {
                        /*
@@ -9410,7 +9536,7 @@ const char *volume_label(int snum)
        if (!*label) {
                label = lp_servicename(snum);
        }
-               
+
        /* This returns a 33 byte guarenteed null terminated string. */
        ret = talloc_strndup(talloc_tos(), label, 32);
        if (!ret) {
@@ -9475,24 +9601,27 @@ static void set_default_server_announce_type(void)
 }
 
 /***********************************************************
- returns role of Samba server
+ If we are PDC then prefer us as DMB
 ************************************************************/
 
-int lp_server_role(void)
+bool lp_domain_master(void)
 {
-       return server_role;
+       if (Globals.iDomainMaster == Auto)
+               return (lp_server_role() == ROLE_DOMAIN_PDC);
+
+       return (bool)Globals.iDomainMaster;
 }
 
 /***********************************************************
  If we are PDC then prefer us as DMB
 ************************************************************/
 
-bool lp_domain_master(void)
+bool lp_domain_master_true_or_auto(void)
 {
-       if (Globals.iDomainMaster == Auto)
-               return (lp_server_role() == ROLE_DOMAIN_PDC);
+       if (Globals.iDomainMaster) /* auto or yes */
+               return true;
 
-       return (bool)Globals.iDomainMaster;
+       return false;
 }
 
 /***********************************************************
@@ -9682,7 +9811,7 @@ bool lp_use_sendfile(int snum, struct smb_signing_state *signing_state)
        bool sign_active = false;
 
        /* Using sendfile blows the brains out of any DOS or Win9x TCP stack... JRA. */
-       if (Protocol < PROTOCOL_NT1) {
+       if (get_Protocol() < PROTOCOL_NT1) {
                return false;
        }
        if (signing_state) {
@@ -9783,7 +9912,7 @@ int lp_min_receive_file_size(void)
 const char *lp_socket_address(void)
 {
        char *sock_addr = Globals.szSocketAddress;
-       
+
        if (sock_addr[0] == '\0'){
                string_set(&Globals.szSocketAddress, "0.0.0.0");
        }
@@ -9794,3 +9923,51 @@ void lp_set_passdb_backend(const char *backend)
 {
        string_set(&Globals.szPassdbBackend, backend);
 }
+
+/*******************************************************************
+ Safe wide links checks.
+ This helper function always verify the validity of wide links,
+ even after a configuration file reload.
+********************************************************************/
+
+static bool lp_widelinks_internal(int snum)
+{
+       return (bool)(LP_SNUM_OK(snum)? ServicePtrs[(snum)]->bWidelinks :
+                       sDefault.bWidelinks);
+}
+
+void widelinks_warning(int snum)
+{
+       if (lp_unix_extensions() && lp_widelinks_internal(snum)) {
+               DEBUG(0,("Share '%s' has wide links and unix extensions enabled. "
+                       "These parameters are incompatible. "
+                       "Wide links will be disabled for this share.\n",
+                       lp_servicename(snum) ));
+       }
+}
+
+bool lp_widelinks(int snum)
+{
+       /* wide links is always incompatible with unix extensions */
+       if (lp_unix_extensions()) {
+               return false;
+       }
+
+       return lp_widelinks_internal(snum);
+}
+
+bool lp_writeraw(void)
+{
+       if (lp_async_smb_echo_handler()) {
+               return false;
+       }
+       return _lp_writeraw();
+}
+
+bool lp_readraw(void)
+{
+       if (lp_async_smb_echo_handler()) {
+               return false;
+       }
+       return _lp_readraw();
+}