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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
00096 typedef unsigned long dbus_pid_t;
00098 typedef unsigned long dbus_uid_t;
00100 typedef unsigned long dbus_gid_t;
00101
00103 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00104
00105 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00106
00107 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00108
00110 #define DBUS_PID_FORMAT "%lu"
00111
00112 #define DBUS_UID_FORMAT "%lu"
00113
00114 #define DBUS_GID_FORMAT "%lu"
00115
00116
00127 dbus_bool_t _dbus_open_tcp_socket (int *fd,
00128 DBusError *error);
00129 dbus_bool_t _dbus_close_socket (int fd,
00130 DBusError *error);
00131 int _dbus_read_socket (int fd,
00132 DBusString *buffer,
00133 int count);
00134 int _dbus_write_socket (int fd,
00135 const DBusString *buffer,
00136 int start,
00137 int len);
00138 int _dbus_write_socket_two (int fd,
00139 const DBusString *buffer1,
00140 int start1,
00141 int len1,
00142 const DBusString *buffer2,
00143 int start2,
00144 int len2);
00145 int _dbus_connect_tcp_socket (const char *host,
00146 dbus_uint32_t port,
00147 DBusError *error);
00148 int _dbus_listen_tcp_socket (const char *host,
00149 dbus_uint32_t *port,
00150 dbus_bool_t inaddr_any,
00151 DBusError *error);
00152 int _dbus_accept (int listen_fd);
00153
00154
00155 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00156 DBusCredentials *credentials,
00157 DBusError *error);
00158 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00159 DBusError *error);
00160
00161 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00162 const DBusString *username);
00163 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00164 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00165
00166 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00167 dbus_uid_t *uid_p);
00168 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00169 dbus_gid_t *gid_p);
00170 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00171 dbus_gid_t **group_ids,
00172 int *n_group_ids);
00173 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00174 DBusError *error);
00175 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00176 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00177
00178 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00179 DBusCredentials *credentials);
00180
00184 typedef struct DBusAtomic DBusAtomic;
00185
00189 struct DBusAtomic
00190 {
00191 #ifdef DBUS_WIN
00192 volatile long value;
00193 #else
00194 volatile dbus_int32_t value;
00195 #endif
00196 };
00197
00198 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00199 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00200
00202 #define _DBUS_POLLIN 0x0001
00203
00204 #define _DBUS_POLLPRI 0x0002
00205
00206 #define _DBUS_POLLOUT 0x0004
00207
00208 #define _DBUS_POLLERR 0x0008
00209
00210 #define _DBUS_POLLHUP 0x0010
00211
00212 #define _DBUS_POLLNVAL 0x0020
00213
00217 typedef struct
00218 {
00219 int fd;
00220 short events;
00221 short revents;
00222 } DBusPollFD;
00223
00224 int _dbus_poll (DBusPollFD *fds,
00225 int n_fds,
00226 int timeout_milliseconds);
00227
00228 void _dbus_sleep_milliseconds (int milliseconds);
00229
00230 void _dbus_get_current_time (long *tv_sec,
00231 long *tv_usec);
00232
00236 dbus_bool_t _dbus_file_exists (const char *file);
00237 dbus_bool_t _dbus_file_get_contents (DBusString *str,
00238 const DBusString *filename,
00239 DBusError *error);
00240 dbus_bool_t _dbus_string_save_to_file (const DBusString *str,
00241 const DBusString *filename,
00242 DBusError *error);
00243
00244 dbus_bool_t _dbus_make_file_world_readable (const DBusString *filename,
00245 DBusError *error);
00246
00247 dbus_bool_t _dbus_create_file_exclusively (const DBusString *filename,
00248 DBusError *error);
00249 dbus_bool_t _dbus_delete_file (const DBusString *filename,
00250 DBusError *error);
00251 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00252 DBusError *error);
00253 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00254 DBusError *error);
00255
00256 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00257 const DBusString *next_component);
00258 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00259 DBusString *dirname);
00260 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00261
00262 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00263
00264 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00265 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00266
00267 typedef struct {
00268 int fd_or_handle;
00269 } DBusPipe;
00270
00271 void _dbus_pipe_init (DBusPipe *pipe,
00272 int fd);
00273 void _dbus_pipe_init_stdout (DBusPipe *pipe);
00274 int _dbus_pipe_write (DBusPipe *pipe,
00275 const DBusString *buffer,
00276 int start,
00277 int len,
00278 DBusError *error);
00279 int _dbus_pipe_close (DBusPipe *pipe,
00280 DBusError *error);
00281 dbus_bool_t _dbus_pipe_is_valid (DBusPipe *pipe);
00282 void _dbus_pipe_invalidate (DBusPipe *pipe);
00283 dbus_bool_t _dbus_pipe_is_stdout_or_stderr (DBusPipe *pipe);
00284
00285
00287 typedef struct DBusDirIter DBusDirIter;
00288
00289 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00290 DBusError *error);
00291 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00292 DBusString *filename,
00293 DBusError *error);
00294 void _dbus_directory_close (DBusDirIter *iter);
00295
00296 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00297 DBusError *error);
00298
00299 void _dbus_fd_set_close_on_exec (int fd);
00300
00301 const char* _dbus_get_tmpdir (void);
00302
00306 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00307 int n_bytes);
00308 void _dbus_generate_random_bytes_buffer (char *buffer,
00309 int n_bytes);
00310 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00311 int n_bytes);
00312 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00313 int n_bytes);
00314
00315 const char* _dbus_error_from_errno (int error_number);
00316
00317 void _dbus_set_errno_to_zero (void);
00318 dbus_bool_t _dbus_get_is_errno_nonzero (void);
00319 dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock (void);
00320 dbus_bool_t _dbus_get_is_errno_enomem (void);
00321 dbus_bool_t _dbus_get_is_errno_eintr (void);
00322 const char* _dbus_strerror_from_errno (void);
00323
00324 void _dbus_disable_sigpipe (void);
00325
00326
00327 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00328
00329 int _dbus_printf_string_upper_bound (const char *format,
00330 va_list args);
00331
00332
00336 typedef struct
00337 {
00338 unsigned long mode;
00339 unsigned long nlink;
00340 dbus_uid_t uid;
00341 dbus_gid_t gid;
00342 unsigned long size;
00343 unsigned long atime;
00344 unsigned long mtime;
00345 unsigned long ctime;
00346 } DBusStat;
00347
00348 dbus_bool_t _dbus_stat (const DBusString *filename,
00349 DBusStat *statbuf,
00350 DBusError *error);
00351 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00352 int *fd2,
00353 dbus_bool_t blocking,
00354 DBusError *error);
00355
00356 void _dbus_print_backtrace (void);
00357
00358 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00359 DBusPipe *print_pid_pipe,
00360 DBusError *error);
00361 dbus_bool_t _dbus_write_pid_file (const DBusString *filename,
00362 unsigned long pid,
00363 DBusError *error);
00364 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00365 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00366 DBusError *error);
00367
00369 typedef void (* DBusSignalHandler) (int sig);
00370
00371 void _dbus_set_signal_handler (int sig,
00372 DBusSignalHandler handler);
00373
00374 dbus_bool_t _dbus_user_at_console (const char *username,
00375 DBusError *error);
00376
00377
00378
00379
00380 #if !defined (DBUS_VA_COPY)
00381 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00382 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00383 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00384 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00385 # else
00386 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00387 # endif
00388 #endif
00389
00390
00395 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00396 (((const char*)&(p))[(i)])
00397
00402 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00403 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00404 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00405 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00406 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00407 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00408 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00409 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00410 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00411
00412 dbus_bool_t _dbus_get_autolaunch_address (DBusString *address,
00413 DBusError *error);
00414
00418 typedef union DBusGUID DBusGUID;
00419
00420 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00421 dbus_bool_t create_if_not_found,
00422 DBusError *error);
00423
00429 dbus_bool_t _dbus_threads_init_platform_specific (void);
00430
00431 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00432 const char *suffix,
00433 DBusList **dir_list);
00434
00435 unsigned long _dbus_pid_for_log (void);
00436
00437
00438
00439
00440
00441 dbus_pid_t _dbus_getpid (void);
00442
00443 void _dbus_flush_caches (void);
00444
00447 DBUS_END_DECLS
00448
00449 #endif