From 51e54d9529334e59026de0506c5e853d40e3524c Mon Sep 17 00:00:00 2001 From: Ralf Habacker Date: Thu, 21 Jun 2007 13:11:10 +0000 Subject: * dbus/dbus-sysdeps-win.c: deleted local DBusCredentials structure (_dbus_getsid): new function (_dbus_read_credentials_socket): fixed (_dbus_append_user_from_current_process, _dbus_credentials_add_from_current_process): added real sid reading (_dbus_credentials_parse_and_add_desired,_dbus_parse_uid): deleted --- dbus/dbus-sysdeps-win.c | 191 +++++++++++++++++++++++------------------------- 1 file changed, 90 insertions(+), 101 deletions(-) (limited to 'dbus/dbus-sysdeps-win.c') diff --git a/dbus/dbus-sysdeps-win.c b/dbus/dbus-sysdeps-win.c index 67725d83..2e95f9b1 100644 --- a/dbus/dbus-sysdeps-win.c +++ b/dbus/dbus-sysdeps-win.c @@ -28,12 +28,6 @@ /* #define ENABLE_DBUSUSERINFO */ -struct DBusCredentials{ - int uid; - int gid; - int pid; -}; - #undef open #define STRSAFE_NO_DEPRECATE @@ -1883,6 +1877,52 @@ _dbus_pid_for_log (void) return _dbus_getpid (); } +/** Gets our SID + * @param points to sid buffer, need to be freed with LocalFree() + * @returns process sid + */ +dbus_bool_t +_dbus_getsid(char **sid) +{ + HANDLE process_token = NULL; + TOKEN_USER *token_user = NULL; + DWORD n; + PSID psid; + int retval = FALSE; + + if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &process_token)) + { + _dbus_win_warn_win_error ("OpenProcessToken failed", GetLastError ()); + goto failed; + } + if ((!GetTokenInformation (process_token, TokenUser, NULL, 0, &n) + && GetLastError () != ERROR_INSUFFICIENT_BUFFER) + || (token_user = alloca (n)) == NULL + || !GetTokenInformation (process_token, TokenUser, token_user, n, &n)) + { + _dbus_win_warn_win_error ("GetTokenInformation failed", GetLastError ()); + goto failed; + } + psid = token_user->User.Sid; + if (!IsValidSid (psid)) + { + _dbus_verbose("%s invalid sid\n",__FUNCTION__); + goto failed; + } + if (!ConvertSidToStringSidA (psid, sid)) + { + _dbus_verbose("%s invalid sid\n",__FUNCTION__); + goto failed; + } +okay: + retval = TRUE; +failed: + if (process_token != NULL) + CloseHandle (process_token); + + _dbus_verbose("_dbus_getsid() returns %d\n",retval); + return retval; +} #ifdef DBUS_BUILD_TESTS @@ -3988,19 +4028,6 @@ again: return TRUE; } -/** - * Gets the credentials of the current process. - * - * @param credentials credentials to fill in. - */ -void -_dbus_credentials_from_current_process (DBusCredentials *credentials) -{ - credentials->pid = _dbus_getpid (); - credentials->uid = _dbus_getuid (); - credentials->gid = _dbus_getgid (); -} - /** * Reads a single byte which must be nul (an error occurs otherwise), * and reads unix credentials if available. Fills in pid/uid/gid with @@ -4035,7 +4062,7 @@ _dbus_read_credentials_socket (int handle, } _dbus_string_free(&buf); - _dbus_credentials_from_current_process (credentials); + _dbus_credentials_add_from_current_process (credentials); _dbus_verbose("FIXME: get faked credentials from current process"); return TRUE; @@ -4189,102 +4216,55 @@ _dbus_concat_dir_and_file (DBusString *dir, _dbus_string_get_length (dir)); } -/** - * Adds the credentials of the current process to the - * passed-in credentials object. - * - * @param credentials credentials to add to - * @returns #FALSE if no memory; does not properly roll back on failure, so only some credentials may have been added - */ - -dbus_bool_t -_dbus_credentials_add_from_current_process (DBusCredentials *credentials) -{ - credentials->pid = _dbus_getpid(); - credentials->uid = _dbus_getuid(); - return TRUE; -} - +/*---------------- DBusCredentials ---------------------------------- /** - * Gets a UID from a UID string. + * Adds the credentials corresponding to the given username. * - * @param uid_str the UID in string form - * @param uid UID to fill in - * @returns #TRUE if successfully filled in UID + * @param credentials credentials to fill in + * @param username the username + * @returns #TRUE if the username existed and we got some credentials */ dbus_bool_t -_dbus_parse_uid (const DBusString *uid_str, - dbus_uid_t *uid) +_dbus_credentials_add_from_user (DBusCredentials *credentials, + const DBusString *username) { - int end; - long val; - - if (_dbus_string_get_length (uid_str) == 0) - { - _dbus_verbose ("UID string was zero length\n"); - return FALSE; - } - - val = -1; - end = 0; - if (!_dbus_string_parse_int (uid_str, 0, &val, - &end)) - { - _dbus_verbose ("could not parse string as a UID\n"); - return FALSE; - } - - if (end != _dbus_string_get_length (uid_str)) - { - _dbus_verbose ("string contained trailing stuff after UID\n"); - return FALSE; - } - - *uid = val; - - return TRUE; + return _dbus_credentials_add_windows_sid (credentials, + _dbus_string_get_const_data(username)); } /** - * Parses a desired identity provided from a client in the auth protocol. - * On UNIX this means parsing a UID. + * Adds the credentials of the current process to the + * passed-in credentials object. * - * @todo this is broken because it treats OOM and parse error - * the same way. Needs a #DBusError. - * - * @param credentials the credentials to add what we parse to - * @param desired_identity the string to parse - * @returns #TRUE if we successfully parsed something + * @param credentials credentials to add to + * @returns #FALSE if no memory; does not properly roll back on failure, so only some credentials may have been added */ + dbus_bool_t -_dbus_credentials_parse_and_add_desired (DBusCredentials *credentials, - const DBusString *desired_identity) +_dbus_credentials_add_from_current_process (DBusCredentials *credentials) { - dbus_uid_t uid; + dbus_bool_t retval = FALSE; + char *sid = NULL; - if (!_dbus_parse_uid (desired_identity, &uid)) - return FALSE; + if (!_dbus_getsid(&sid)) + goto failed; - if (!_dbus_credentials_add_unix_uid (credentials, uid)) - return FALSE; + if (!_dbus_credentials_add_unix_pid(credentials, _dbus_getpid())) + goto failed; - return TRUE; -} + if (!_dbus_credentials_add_windows_sid (credentials,sid)) + goto failed; -/** - * Adds the credentials corresponding to the given username. - * - * @param credentials credentials to fill in - * @param username the username - * @returns #TRUE if the username existed and we got some credentials - */ -dbus_bool_t -_dbus_credentials_add_from_user (DBusCredentials *credentials, - const DBusString *username) -{ - _dbus_verbose("_dbus_credentials_add_from_user is not implemented"); - return FALSE; + retval = TRUE; + goto end; +failed: + retval = FALSE; +end: + if (sid) + LocalFree(sid); + + return retval; } /** @@ -4297,12 +4277,21 @@ _dbus_credentials_add_from_user (DBusCredentials *credentials, * * @param str the string to append to * @returns #FALSE on no memory + * @todo to which class belongs this */ dbus_bool_t _dbus_append_user_from_current_process (DBusString *str) { - return _dbus_string_append_uint (str, - _dbus_getuid ()); + dbus_bool_t retval = FALSE; + char *sid = NULL; + + if (!_dbus_getsid(&sid)) + return FALSE; + + retval = _dbus_string_append (str,sid); + + LocalFree(sid); + return retval; } /** -- cgit