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00025 #ifndef DBUS_SYSDEPS_H
00026 #define DBUS_SYSDEPS_H
00027
00028 #include <config.h>
00029
00030 #include <dbus/dbus-errors.h>
00031
00032
00033
00034
00035 #include <string.h>
00036 #include <stdarg.h>
00037
00038 DBUS_BEGIN_DECLS
00039
00040 #ifdef DBUS_WIN
00041 #define _DBUS_PATH_SEPARATOR ";"
00042 #else
00043 #define _DBUS_PATH_SEPARATOR ":"
00044 #endif
00045
00046
00047
00049 typedef struct DBusString DBusString;
00050
00052 typedef struct DBusList DBusList;
00053
00055 typedef struct DBusCredentials DBusCredentials;
00056
00063
00064
00065
00066
00067
00068
00069
00070
00071
00072 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
00073 #define _DBUS_GNUC_PRINTF( format_idx, arg_idx ) \
00074 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
00075 #define _DBUS_GNUC_NORETURN \
00076 __attribute__((__noreturn__))
00077 #else
00078 #define _DBUS_GNUC_PRINTF( format_idx, arg_idx )
00079 #define _DBUS_GNUC_NORETURN
00080 #endif
00081
00089 void _dbus_abort (void) _DBUS_GNUC_NORETURN;
00090
00091 const char* _dbus_getenv (const char *varname);
00092 dbus_bool_t _dbus_setenv (const char *varname,
00093 const char *value);
00094 dbus_bool_t _dbus_clearenv (void);
00095
00097 typedef unsigned long dbus_pid_t;
00099 typedef unsigned long dbus_uid_t;
00101 typedef unsigned long dbus_gid_t;
00102
00104 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00105
00106 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00107
00108 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00109
00111 #define DBUS_PID_FORMAT "%lu"
00112
00113 #define DBUS_UID_FORMAT "%lu"
00114
00115 #define DBUS_GID_FORMAT "%lu"
00116
00117
00128 dbus_bool_t _dbus_open_tcp_socket (int *fd,
00129 DBusError *error);
00130 dbus_bool_t _dbus_close_socket (int fd,
00131 DBusError *error);
00132 int _dbus_read_socket (int fd,
00133 DBusString *buffer,
00134 int count);
00135 int _dbus_write_socket (int fd,
00136 const DBusString *buffer,
00137 int start,
00138 int len);
00139 int _dbus_write_socket_two (int fd,
00140 const DBusString *buffer1,
00141 int start1,
00142 int len1,
00143 const DBusString *buffer2,
00144 int start2,
00145 int len2);
00146 int _dbus_connect_tcp_socket (const char *host,
00147 const char *port,
00148 const char *family,
00149 DBusError *error);
00150 int _dbus_listen_tcp_socket (const char *host,
00151 const char *port,
00152 const char *family,
00153 DBusString *retport,
00154 int **fds_p,
00155 DBusError *error);
00156 int _dbus_accept (int listen_fd);
00157
00158
00159 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00160 DBusCredentials *credentials,
00161 DBusError *error);
00162 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00163 DBusError *error);
00164
00165 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00166 const DBusString *username);
00167 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00168 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00169
00170 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00171 dbus_uid_t *uid_p);
00172 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00173 dbus_gid_t *gid_p);
00174 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00175 dbus_gid_t **group_ids,
00176 int *n_group_ids);
00177 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00178 DBusError *error);
00179 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00180 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00181
00182 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00183 DBusCredentials *credentials);
00184
00188 typedef struct DBusAtomic DBusAtomic;
00189
00193 struct DBusAtomic
00194 {
00195 #ifdef DBUS_WIN
00196 volatile long value;
00197 #else
00198 volatile dbus_int32_t value;
00199 #endif
00200 };
00201
00202 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00203 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00204
00206 #define _DBUS_POLLIN 0x0001
00207
00208 #define _DBUS_POLLPRI 0x0002
00209
00210 #define _DBUS_POLLOUT 0x0004
00211
00212 #define _DBUS_POLLERR 0x0008
00213
00214 #define _DBUS_POLLHUP 0x0010
00215
00216 #define _DBUS_POLLNVAL 0x0020
00217
00221 typedef struct
00222 {
00223 int fd;
00224 short events;
00225 short revents;
00226 } DBusPollFD;
00227
00228 int _dbus_poll (DBusPollFD *fds,
00229 int n_fds,
00230 int timeout_milliseconds);
00231
00232 void _dbus_sleep_milliseconds (int milliseconds);
00233
00234 void _dbus_get_current_time (long *tv_sec,
00235 long *tv_usec);
00236
00240 dbus_bool_t _dbus_file_exists (const char *file);
00241 dbus_bool_t _dbus_file_get_contents (DBusString *str,
00242 const DBusString *filename,
00243 DBusError *error);
00244 dbus_bool_t _dbus_string_save_to_file (const DBusString *str,
00245 const DBusString *filename,
00246 DBusError *error);
00247
00248 dbus_bool_t _dbus_make_file_world_readable (const DBusString *filename,
00249 DBusError *error);
00250
00251 dbus_bool_t _dbus_create_file_exclusively (const DBusString *filename,
00252 DBusError *error);
00253 dbus_bool_t _dbus_delete_file (const DBusString *filename,
00254 DBusError *error);
00255 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00256 DBusError *error);
00257 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00258 DBusError *error);
00259
00260 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00261 const DBusString *next_component);
00262 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00263 DBusString *dirname);
00264 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00265
00266 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00267 dbus_bool_t _dbus_get_standard_system_servicedirs (DBusList **dirs);
00268
00269 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00270 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00271
00272 typedef struct {
00273 int fd_or_handle;
00274 } DBusPipe;
00275
00276 void _dbus_pipe_init (DBusPipe *pipe,
00277 int fd);
00278 void _dbus_pipe_init_stdout (DBusPipe *pipe);
00279 int _dbus_pipe_write (DBusPipe *pipe,
00280 const DBusString *buffer,
00281 int start,
00282 int len,
00283 DBusError *error);
00284 int _dbus_pipe_close (DBusPipe *pipe,
00285 DBusError *error);
00286 dbus_bool_t _dbus_pipe_is_valid (DBusPipe *pipe);
00287 void _dbus_pipe_invalidate (DBusPipe *pipe);
00288 dbus_bool_t _dbus_pipe_is_stdout_or_stderr (DBusPipe *pipe);
00289
00290
00292 typedef struct DBusDirIter DBusDirIter;
00293
00294 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00295 DBusError *error);
00296 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00297 DBusString *filename,
00298 DBusError *error);
00299 void _dbus_directory_close (DBusDirIter *iter);
00300
00301 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00302 DBusError *error);
00303
00304 void _dbus_fd_set_close_on_exec (int fd);
00305
00306 const char* _dbus_get_tmpdir (void);
00307
00311 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00312 int n_bytes);
00313 void _dbus_generate_random_bytes_buffer (char *buffer,
00314 int n_bytes);
00315 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00316 int n_bytes);
00317 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00318 int n_bytes);
00319
00320 const char* _dbus_error_from_errno (int error_number);
00321
00322 void _dbus_set_errno_to_zero (void);
00323 dbus_bool_t _dbus_get_is_errno_nonzero (void);
00324 dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock (void);
00325 dbus_bool_t _dbus_get_is_errno_enomem (void);
00326 dbus_bool_t _dbus_get_is_errno_eintr (void);
00327 const char* _dbus_strerror_from_errno (void);
00328
00329 void _dbus_disable_sigpipe (void);
00330
00331
00332 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00333
00334 int _dbus_printf_string_upper_bound (const char *format,
00335 va_list args);
00336
00337
00341 typedef struct
00342 {
00343 unsigned long mode;
00344 unsigned long nlink;
00345 dbus_uid_t uid;
00346 dbus_gid_t gid;
00347 unsigned long size;
00348 unsigned long atime;
00349 unsigned long mtime;
00350 unsigned long ctime;
00351 } DBusStat;
00352
00353 dbus_bool_t _dbus_stat (const DBusString *filename,
00354 DBusStat *statbuf,
00355 DBusError *error);
00356 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00357 int *fd2,
00358 dbus_bool_t blocking,
00359 DBusError *error);
00360
00361 void _dbus_print_backtrace (void);
00362
00363 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00364 DBusPipe *print_pid_pipe,
00365 DBusError *error);
00366 dbus_bool_t _dbus_write_pid_file (const DBusString *filename,
00367 unsigned long pid,
00368 DBusError *error);
00369 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00370 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00371 DBusError *error);
00372
00374 typedef void (* DBusSignalHandler) (int sig);
00375
00376 void _dbus_set_signal_handler (int sig,
00377 DBusSignalHandler handler);
00378
00379 dbus_bool_t _dbus_user_at_console (const char *username,
00380 DBusError *error);
00381
00382
00383
00384
00385 #if !defined (DBUS_VA_COPY)
00386 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00387 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00388 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00389 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00390 # else
00391 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00392 # endif
00393 #endif
00394
00395
00400 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00401 (((const char*)&(p))[(i)])
00402
00407 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00408 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00409 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00410 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00411 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00412 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00413 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00414 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00415 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00416
00417 dbus_bool_t _dbus_get_autolaunch_address (DBusString *address,
00418 DBusError *error);
00419
00423 typedef union DBusGUID DBusGUID;
00424
00425 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00426 dbus_bool_t create_if_not_found,
00427 DBusError *error);
00428
00434 dbus_bool_t _dbus_threads_init_platform_specific (void);
00435
00436 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00437 const char *suffix,
00438 DBusList **dir_list);
00439
00440 unsigned long _dbus_pid_for_log (void);
00441
00442
00443
00444
00445
00446 dbus_pid_t _dbus_getpid (void);
00447
00448 void _dbus_flush_caches (void);
00449
00452 DBUS_END_DECLS
00453
00454 #endif