return(True);
}
-/****************************************************************************
- Add a home service. Returns the new service number or -1 if fail.
-****************************************************************************/
-
-int add_home_service(const char *service, const char *username, const char *homedir)
-{
- int iHomeService;
-
- if (!service || !homedir)
- return -1;
-
- if ((iHomeService = lp_servicenumber(HOMES_NAME)) < 0)
- return -1;
-
- /*
- * If this is a winbindd provided username, remove
- * the domain component before adding the service.
- * Log a warning if the "path=" parameter does not
- * include any macros.
- */
-
- {
- const char *p = strchr(service,*lp_winbind_separator());
-
- /* We only want the 'user' part of the string */
- if (p) {
- service = p + 1;
- }
- }
-
- if (!lp_add_home(service, iHomeService, username, homedir)) {
- return -1;
- }
-
- return lp_servicenumber(service);
-
-}
-
static int load_registry_service(const char *servicename)
{
struct registry_key *key;
return -1;
}
+ if (strequal(servicename, GLOBAL_NAME)) {
+ return -2;
+ }
+
if (asprintf(&path, "%s\\%s", KEY_SMBCONF, servicename) == -1) {
return -1;
}
WERROR err;
int i;
+ DEBUG(8, ("load_registry_shares()\n"));
if (!lp_registry_shares()) {
return;
}
return;
}
+/****************************************************************************
+ Add a home service. Returns the new service number or -1 if fail.
+****************************************************************************/
+
+int add_home_service(const char *service, const char *username, const char *homedir)
+{
+ int iHomeService;
+
+ if (!service || !homedir)
+ return -1;
+
+ if ((iHomeService = lp_servicenumber(HOMES_NAME)) < 0) {
+ if ((iHomeService = load_registry_service(HOMES_NAME)) < 0) {
+ return -1;
+ }
+ }
+
+ /*
+ * If this is a winbindd provided username, remove
+ * the domain component before adding the service.
+ * Log a warning if the "path=" parameter does not
+ * include any macros.
+ */
+
+ {
+ const char *p = strchr(service,*lp_winbind_separator());
+
+ /* We only want the 'user' part of the string */
+ if (p) {
+ service = p + 1;
+ }
+ }
+
+ if (!lp_add_home(service, iHomeService, username, homedir)) {
+ return -1;
+ }
+
+ return lp_servicenumber(service);
+
+}
+
/**
* Find a service entry.
*
/* now handle the special case of a home directory */
if (iService < 0) {
- char *phome_dir = get_user_home_dir(service);
+ char *phome_dir = get_user_home_dir(talloc_tos(), service);
if(!phome_dir) {
/*
* be a Windows to unix mapped user name.
*/
if(map_username(service))
- phome_dir = get_user_home_dir(service);
+ phome_dir = get_user_home_dir(
+ talloc_tos(), service);
}
DEBUG(3,("checking for home directory %s gave %s\n",service,
if (iService < 0) {
int iPrinterService;
- if ((iPrinterService = lp_servicenumber(PRINTERS_NAME)) >= 0) {
+ if ((iPrinterService = lp_servicenumber(PRINTERS_NAME)) < 0) {
+ iPrinterService = load_registry_service(PRINTERS_NAME);
+ }
+ if (iPrinterService) {
DEBUG(3,("checking whether %s is a valid printer name...\n", service));
if (pcap_printername_ok(service)) {
DEBUG(3,("%s is a valid printer name\n", service));
return NT_STATUS_OK;
}
-static NTSTATUS find_forced_user(connection_struct *conn, bool vuser_is_guest, fstring username)
-{
- int snum = conn->params->service;
- char *fuser, *found_username;
- NTSTATUS result;
-
- if (!(fuser = talloc_string_sub(conn->mem_ctx, lp_force_user(snum), "%S",
- lp_servicename(snum)))) {
- return NT_STATUS_NO_MEMORY;
- }
-
- result = create_token_from_username(conn->mem_ctx, fuser, vuser_is_guest,
- &conn->uid, &conn->gid, &found_username,
- &conn->nt_user_token);
- if (!NT_STATUS_IS_OK(result)) {
- return result;
- }
-
- fstrcpy(username, found_username);
-
- TALLOC_FREE(fuser);
- TALLOC_FREE(found_username);
- return NT_STATUS_OK;
-}
-
/*
* Go through lookup_name etc to find the force'd group.
*
gid_t *pgid)
{
NTSTATUS result = NT_STATUS_NO_SUCH_GROUP;
- TALLOC_CTX *mem_ctx;
+ TALLOC_CTX *frame = talloc_stackframe();
DOM_SID group_sid;
enum lsa_SidType type;
char *groupname;
bool user_must_be_member = False;
gid_t gid;
- ZERO_STRUCTP(pgroup_sid);
- *pgid = (gid_t)-1;
-
- mem_ctx = talloc_new(NULL);
- if (mem_ctx == NULL) {
- DEBUG(0, ("talloc_new failed\n"));
- return NT_STATUS_NO_MEMORY;
- }
-
- groupname = talloc_strdup(mem_ctx, lp_force_group(snum));
+ groupname = talloc_strdup(talloc_tos(), lp_force_group(snum));
if (groupname == NULL) {
DEBUG(1, ("talloc_strdup failed\n"));
result = NT_STATUS_NO_MEMORY;
groupname += 1;
}
- groupname = talloc_string_sub(mem_ctx, groupname,
+ groupname = talloc_string_sub(talloc_tos(), groupname,
"%S", lp_servicename(snum));
+ if (groupname == NULL) {
+ DEBUG(1, ("talloc_string_sub failed\n"));
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- if (!lookup_name_smbconf(mem_ctx, groupname,
+ if (!lookup_name_smbconf(talloc_tos(), groupname,
LOOKUP_NAME_ALL|LOOKUP_NAME_GROUP,
NULL, NULL, &group_sid, &type)) {
DEBUG(10, ("lookup_name_smbconf(%s) failed\n",
if (!sid_to_gid(&group_sid, &gid)) {
DEBUG(10, ("sid_to_gid(%s) for %s failed\n",
- sid_string_static(&group_sid), groupname));
+ sid_string_dbg(&group_sid), groupname));
goto done;
}
result = NT_STATUS_OK;
done:
- TALLOC_FREE(mem_ctx);
+ TALLOC_FREE(frame);
return result;
}
+/****************************************************************************
+ Create an auth_serversupplied_info structure for a connection_struct
+****************************************************************************/
+
+static NTSTATUS create_connection_server_info(TALLOC_CTX *mem_ctx, int snum,
+ struct auth_serversupplied_info *vuid_serverinfo,
+ DATA_BLOB password,
+ struct auth_serversupplied_info **presult)
+{
+ if (lp_guest_only(snum)) {
+ return make_server_info_guest(mem_ctx, presult);
+ }
+
+ if (vuid_serverinfo != NULL) {
+
+ struct auth_serversupplied_info *result;
+
+ /*
+ * This is the normal security != share case where we have a
+ * valid vuid from the session setup. */
+
+ if (vuid_serverinfo->guest) {
+ if (!lp_guest_ok(snum)) {
+ DEBUG(2, ("guest user (from session setup) "
+ "not permitted to access this share "
+ "(%s)\n", lp_servicename(snum)));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ } else {
+ if (!user_ok_token(vuid_serverinfo->unix_name,
+ vuid_serverinfo->ptok, snum)) {
+ DEBUG(2, ("user '%s' (from session setup) not "
+ "permitted to access this share "
+ "(%s)\n",
+ vuid_serverinfo->unix_name,
+ lp_servicename(snum)));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ }
+
+ result = copy_serverinfo(mem_ctx, vuid_serverinfo);
+ if (result == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *presult = result;
+ return NT_STATUS_OK;
+ }
+
+ if (lp_security() == SEC_SHARE) {
+
+ fstring user;
+ bool guest;
+
+ /* add the sharename as a possible user name if we
+ are in share mode security */
+
+ add_session_user(lp_servicename(snum));
+
+ /* shall we let them in? */
+
+ if (!authorise_login(snum,user,password,&guest)) {
+ DEBUG( 2, ( "Invalid username/password for [%s]\n",
+ lp_servicename(snum)) );
+ return NT_STATUS_WRONG_PASSWORD;
+ }
+
+ return make_serverinfo_from_username(mem_ctx, user, guest,
+ presult);
+ }
+
+ DEBUG(0, ("invalid VUID (vuser) but not in security=share\n"));
+ return NT_STATUS_ACCESS_DENIED;
+}
+
+
/****************************************************************************
Make a connection, given the snum to connect to, and the vuser of the
connecting user if appropriate.
static connection_struct *make_connection_snum(int snum, user_struct *vuser,
DATA_BLOB password,
const char *pdev,
- NTSTATUS *status)
+ NTSTATUS *pstatus)
{
- struct passwd *pass = NULL;
- bool guest = False;
connection_struct *conn;
SMB_STRUCT_STAT st;
- fstring user;
fstring dev;
int ret;
char addr[INET6_ADDRSTRLEN];
bool on_err_call_dis_hook = false;
+ NTSTATUS status;
- *user = 0;
fstrcpy(dev, pdev);
SET_STAT_INVALID(st);
- if (NT_STATUS_IS_ERR(*status = share_sanity_checks(snum, dev))) {
+ if (NT_STATUS_IS_ERR(*pstatus = share_sanity_checks(snum, dev))) {
return NULL;
}
conn = conn_new();
if (!conn) {
DEBUG(0,("Couldn't find free connection.\n"));
- *status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ *pstatus = NT_STATUS_INSUFFICIENT_RESOURCES;
return NULL;
}
conn->params->service = snum;
- conn->nt_user_token = NULL;
-
- if (lp_guest_only(snum)) {
- const char *guestname = lp_guestaccount();
- NTSTATUS status2;
- char *found_username = NULL;
-
- guest = True;
- pass = getpwnam_alloc(NULL, guestname);
- if (!pass) {
- DEBUG(0,("make_connection_snum: Invalid guest "
- "account %s??\n",guestname));
- conn_free(conn);
- *status = NT_STATUS_NO_SUCH_USER;
- return NULL;
- }
- status2 = create_token_from_username(conn->mem_ctx, pass->pw_name, True,
- &conn->uid, &conn->gid,
- &found_username,
- &conn->nt_user_token);
- if (!NT_STATUS_IS_OK(status2)) {
- TALLOC_FREE(pass);
- conn_free(conn);
- *status = status2;
- return NULL;
- }
- fstrcpy(user, found_username);
- string_set(&conn->user,user);
- conn->force_user = True;
- TALLOC_FREE(found_username);
- TALLOC_FREE(pass);
- DEBUG(3,("Guest only user %s\n",user));
- } else if (vuser) {
- if (vuser->guest) {
- if (!lp_guest_ok(snum)) {
- DEBUG(2, ("guest user (from session setup) "
- "not permitted to access this share "
- "(%s)\n", lp_servicename(snum)));
- conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
- return NULL;
- }
- } else {
- if (!user_ok_token(vuser->user.unix_name,
- vuser->nt_user_token, snum)) {
- DEBUG(2, ("user '%s' (from session setup) not "
- "permitted to access this share "
- "(%s)\n", vuser->user.unix_name,
- lp_servicename(snum)));
- conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
- return NULL;
- }
- }
- conn->vuid = vuser->vuid;
- conn->uid = vuser->uid;
- conn->gid = vuser->gid;
- string_set(&conn->user,vuser->user.unix_name);
- fstrcpy(user,vuser->user.unix_name);
- guest = vuser->guest;
- } else if (lp_security() == SEC_SHARE) {
- NTSTATUS status2;
- char *found_username = NULL;
-
- /* add it as a possible user name if we
- are in share mode security */
- add_session_user(lp_servicename(snum));
- /* shall we let them in? */
- if (!authorise_login(snum,user,password,&guest)) {
- DEBUG( 2, ( "Invalid username/password for [%s]\n",
- lp_servicename(snum)) );
- conn_free(conn);
- *status = NT_STATUS_WRONG_PASSWORD;
- return NULL;
- }
- pass = Get_Pwnam(user);
- status2 = create_token_from_username(conn->mem_ctx, pass->pw_name, True,
- &conn->uid, &conn->gid,
- &found_username,
- &conn->nt_user_token);
- if (!NT_STATUS_IS_OK(status2)) {
- conn_free(conn);
- *status = status2;
- return NULL;
- }
- fstrcpy(user, found_username);
- string_set(&conn->user,user);
- TALLOC_FREE(found_username);
- conn->force_user = True;
- } else {
- DEBUG(0, ("invalid VUID (vuser) but not in security=share\n"));
+
+ status = create_connection_server_info(
+ conn, snum, vuser ? vuser->server_info : NULL, password,
+ &conn->server_info);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("create_connection_server_info failed: %s\n",
+ nt_errstr(status)));
+ *pstatus = status;
conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
return NULL;
}
- add_session_user(user);
+ if ((lp_guest_only(snum)) || (lp_security() == SEC_SHARE)) {
+ conn->force_user = true;
+ }
+
+ add_session_user(conn->server_info->unix_name);
safe_strcpy(conn->client_address,
client_addr(get_client_fd(),addr,sizeof(addr)),
conn->case_preserve = lp_preservecase(snum);
conn->short_case_preserve = lp_shortpreservecase(snum);
+ conn->encrypt_level = lp_smb_encrypt(snum);
+
conn->veto_list = NULL;
conn->hide_list = NULL;
conn->veto_oplock_list = NULL;
conn->aio_write_behind_list = NULL;
string_set(&conn->dirpath,"");
- string_set(&conn->user,user);
conn->read_only = lp_readonly(SNUM(conn));
conn->admin_user = False;
- /*
- * If force user is true, then store the given userid and the gid of
- * the user we're forcing.
- * For auxiliary groups see below.
- */
-
if (*lp_force_user(snum)) {
- NTSTATUS status2;
- status2 = find_forced_user(conn,
- (vuser != NULL) && vuser->guest,
- user);
- if (!NT_STATUS_IS_OK(status2)) {
+ /*
+ * Replace conn->server_info with a completely faked up one
+ * from the username we are forced into :-)
+ */
+
+ char *fuser;
+ struct auth_serversupplied_info *forced_serverinfo;
+
+ fuser = talloc_string_sub(conn, lp_force_user(snum), "%S",
+ lp_servicename(snum));
+ if (fuser == NULL) {
+ conn_free(conn);
+ *pstatus = NT_STATUS_NO_MEMORY;
+ return NULL;
+ }
+
+ status = make_serverinfo_from_username(
+ conn, fuser, conn->server_info->guest,
+ &forced_serverinfo);
+ if (!NT_STATUS_IS_OK(status)) {
conn_free(conn);
- *status = status2;
+ *pstatus = status;
return NULL;
}
- string_set(&conn->user,user);
+
+ TALLOC_FREE(conn->server_info);
+ conn->server_info = forced_serverinfo;
+
conn->force_user = True;
- DEBUG(3,("Forced user %s\n",user));
+ DEBUG(3,("Forced user %s\n", fuser));
}
/*
* If force group is true, then override
* any groupid stored for the connecting user.
*/
-
+
if (*lp_force_group(snum)) {
- NTSTATUS status2;
- DOM_SID group_sid;
- status2 = find_forced_group(conn->force_user,
- snum, user,
- &group_sid, &conn->gid);
- if (!NT_STATUS_IS_OK(status2)) {
+ status = find_forced_group(
+ conn->force_user, snum, conn->user,
+ &conn->server_info->ptok->user_sids[1],
+ &conn->server_info->gid);
+
+ if (!NT_STATUS_IS_OK(status)) {
conn_free(conn);
- *status = status2;
+ *pstatus = status;
return NULL;
}
-
- if ((conn->nt_user_token == NULL) && (vuser != NULL)) {
-
- /* Not force user and not security=share, but force
- * group. vuser has a token to copy */
-
- conn->nt_user_token = dup_nt_token(
- NULL, vuser->nt_user_token);
- if (conn->nt_user_token == NULL) {
- DEBUG(0, ("dup_nt_token failed\n"));
- conn_free(conn);
- *status = NT_STATUS_NO_MEMORY;
- return NULL;
- }
- }
-
- /* If conn->nt_user_token is still NULL, we have
- * security=share. This means ignore the SID, as we had no
- * vuser to copy from */
-
- if (conn->nt_user_token != NULL) {
- /* Overwrite the primary group sid */
- sid_copy(&conn->nt_user_token->user_sids[1],
- &group_sid);
-
- }
- conn->force_group = True;
}
- if (conn->nt_user_token != NULL) {
- size_t i;
-
- /* We have a share-specific token from force [user|group].
- * This means we have to create the list of unix groups from
- * the list of sids. */
-
- conn->ngroups = 0;
- conn->groups = NULL;
-
- for (i=0; i<conn->nt_user_token->num_sids; i++) {
- gid_t gid;
- DOM_SID *sid = &conn->nt_user_token->user_sids[i];
+ conn->vuid = (vuser != NULL) ? vuser->vuid : UID_FIELD_INVALID;
- if (!sid_to_gid(sid, &gid)) {
- DEBUG(10, ("Could not convert SID %s to gid, "
- "ignoring it\n",
- sid_string_static(sid)));
- continue;
- }
- if (!add_gid_to_array_unique(conn->mem_ctx, gid, &conn->groups,
- &conn->ngroups)) {
- DEBUG(0, ("add_gid_to_array_unique failed\n"));
- conn_free(conn);
- *status = NT_STATUS_NO_MEMORY;
- return NULL;
- }
- }
- }
+ conn->uid = conn->server_info->uid;
+ conn->gid = conn->server_info->gid;
+ string_set(&conn->user, conn->server_info->unix_name);
{
char *s = talloc_sub_advanced(talloc_tos(),
lp_pathname(snum));
if (!s) {
conn_free(conn);
- *status = NT_STATUS_NO_MEMORY;
+ *pstatus = NT_STATUS_NO_MEMORY;
return NULL;
}
if (!set_conn_connectpath(conn,s)) {
TALLOC_FREE(s);
conn_free(conn);
- *status = NT_STATUS_NO_MEMORY;
+ *pstatus = NT_STATUS_NO_MEMORY;
return NULL;
}
DEBUG(3,("Connect path is '%s' for service [%s]\n",s,
{
bool can_write = False;
- NT_USER_TOKEN *token = conn->nt_user_token ?
- conn->nt_user_token :
- (vuser ? vuser->nt_user_token : NULL);
- /*
- * I don't believe this can happen. But the
- * logic above is convoluted enough to confuse
- * automated checkers, so be sure. JRA.
- */
-
- if (token == NULL) {
- DEBUG(0,("make_connection: connection to %s "
- "denied due to missing "
- "NT token.\n",
- lp_servicename(snum)));
- conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
- return NULL;
- }
-
- can_write = share_access_check(token,
- lp_servicename(snum),
- FILE_WRITE_DATA);
+ can_write = share_access_check(conn->server_info->ptok,
+ lp_servicename(snum),
+ FILE_WRITE_DATA);
if (!can_write) {
- if (!share_access_check(token,
+ if (!share_access_check(conn->server_info->ptok,
lp_servicename(snum),
FILE_READ_DATA)) {
/* No access, read or write. */
"descriptor.\n",
lp_servicename(snum)));
conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
+ *pstatus = NT_STATUS_ACCESS_DENIED;
return NULL;
} else {
conn->read_only = True;
DEBUG(0, ("vfs_init failed for service %s\n",
lp_servicename(snum)));
conn_free(conn);
- *status = NT_STATUS_BAD_NETWORK_NAME;
+ *pstatus = NT_STATUS_BAD_NETWORK_NAME;
return NULL;
}
lp_servicename(snum),
conn->connectpath));
conn_free(conn);
- *status = NT_STATUS_BAD_NETWORK_NAME;
+ *pstatus = NT_STATUS_BAD_NETWORK_NAME;
return NULL;
}
}
if ((!conn->printer) && (!conn->ipc)) {
- conn->notify_ctx = notify_init(conn->mem_ctx, server_id_self(),
+ conn->notify_ctx = notify_init(conn, server_id_self(),
smbd_messaging_context(),
smbd_event_context(),
conn);
DEBUG(1, ("Max connections (%d) exceeded for %s\n",
lp_max_connections(snum), lp_servicename(snum)));
conn_free(conn);
- *status = NT_STATUS_INSUFFICIENT_RESOURCES;
+ *pstatus = NT_STATUS_INSUFFICIENT_RESOURCES;
return NULL;
}
if (!claim_connection(conn, lp_servicename(snum), 0)) {
DEBUG(1, ("Could not store connections entry\n"));
conn_free(conn);
- *status = NT_STATUS_INTERNAL_DB_ERROR;
+ *pstatus = NT_STATUS_INTERNAL_DB_ERROR;
return NULL;
}
"connection\n", ret));
yield_connection(conn, lp_servicename(snum));
conn_free(conn);
- *status = NT_STATUS_ACCESS_DENIED;
+ *pstatus = NT_STATUS_ACCESS_DENIED;
return NULL;
}
}
DEBUG(0,("Can't become connected user!\n"));
yield_connection(conn, lp_servicename(snum));
conn_free(conn);
- *status = NT_STATUS_LOGON_FAILURE;
+ *pstatus = NT_STATUS_LOGON_FAILURE;
return NULL;
}
if (ret != 0 && lp_preexec_close(snum)) {
DEBUG(1,("preexec gave %d - failing connection\n",
ret));
- *status = NT_STATUS_ACCESS_DENIED;
+ *pstatus = NT_STATUS_ACCESS_DENIED;
goto err_root_exit;
}
}
to allow any filesystems needing user credentials to initialize
themselves. */
- if (SMB_VFS_CONNECT(conn, lp_servicename(snum), user) < 0) {
+ if (SMB_VFS_CONNECT(conn, lp_servicename(snum), conn->user) < 0) {
DEBUG(0,("make_connection: VFS make connection failed!\n"));
- *status = NT_STATUS_UNSUCCESSFUL;
+ *pstatus = NT_STATUS_UNSUCCESSFUL;
goto err_root_exit;
}
conn->connectpath, lp_servicename(snum),
strerror(errno) ));
}
- *status = NT_STATUS_BAD_NETWORK_NAME;
+ *pstatus = NT_STATUS_BAD_NETWORK_NAME;
goto err_root_exit;
}
#if SOFTLINK_OPTIMISATION
/* resolve any soft links early if possible */
if (vfs_ChDir(conn,conn->connectpath) == 0) {
- TALLOC_CTX *ctx = talloc_stackframe();
+ TALLOC_CTX *ctx = talloc_tos();
char *s = vfs_GetWd(ctx,s);
if (!s) {
*status = map_nt_error_from_unix(errno);
- TALLOC_FREE(ctx);
goto err_root_exit;
}
if (!set_conn_connectpath(conn,s)) {
*status = NT_STATUS_NO_MEMORY;
- TALLOC_FREE(ctx);
goto err_root_exit;
}
vfs_ChDir(conn,conn->connectpath);
- TALLOC_FREE(ctx);
}
#endif
+ /* Figure out the characteristics of the underlying filesystem. This
+ * assumes that all the filesystem mounted withing a share path have
+ * the same characteristics, which is likely but not guaranteed.
+ */
+
+ conn->fs_capabilities = SMB_VFS_FS_CAPABILITIES(conn);
+
/*
* Print out the 'connected as' stuff here as we need
* to know the effective uid and gid we will be using
conn->client_address );
dbgtext( "%s", srv_is_signing_active() ? "signed " : "");
dbgtext( "connect to service %s ", lp_servicename(snum) );
- dbgtext( "initially as user %s ", user );
+ dbgtext( "initially as user %s ", conn->user );
dbgtext( "(uid=%d, gid=%d) ", (int)geteuid(), (int)getegid() );
dbgtext( "(pid %d)\n", (int)sys_getpid() );
}