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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
00039
00040
00041
00042
00043 #ifdef HAVE_POLL
00044 #include <sys/poll.h>
00045 #endif
00046
00047 DBUS_BEGIN_DECLS
00048
00049 #ifdef DBUS_WIN
00050 #define _DBUS_PATH_SEPARATOR ";"
00051 #else
00052 #define _DBUS_PATH_SEPARATOR ":"
00053 #endif
00054
00055
00056
00058 typedef struct DBusString DBusString;
00059
00061 typedef struct DBusList DBusList;
00062
00064 typedef struct DBusCredentials DBusCredentials;
00065
00072
00073
00074
00075
00076
00077
00078
00079
00080
00081 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
00082 #define _DBUS_GNUC_PRINTF( format_idx, arg_idx ) \
00083 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
00084 #define _DBUS_GNUC_NORETURN \
00085 __attribute__((__noreturn__))
00086 #else
00087 #define _DBUS_GNUC_PRINTF( format_idx, arg_idx )
00088 #define _DBUS_GNUC_NORETURN
00089 #endif
00090
00098 void _dbus_abort (void) _DBUS_GNUC_NORETURN;
00099
00100 const char* _dbus_getenv (const char *varname);
00101 dbus_bool_t _dbus_setenv (const char *varname,
00102 const char *value);
00103 dbus_bool_t _dbus_clearenv (void);
00104
00106 typedef unsigned long dbus_pid_t;
00108 typedef unsigned long dbus_uid_t;
00110 typedef unsigned long dbus_gid_t;
00112 typedef unsigned long dbus_sid_t;
00113
00115 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00116
00117 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00118
00119 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00120
00121 #define DBUS_SID_UNSET ((dbus_sid_t) -1)
00122
00124 #define DBUS_PID_FORMAT "%lu"
00125
00126 #define DBUS_UID_FORMAT "%lu"
00127
00128 #define DBUS_GID_FORMAT "%lu"
00129
00130 #define DBUS_SID_FORMAT "%lu"
00131
00132
00143 dbus_bool_t _dbus_open_tcp_socket (int *fd,
00144 DBusError *error);
00145 dbus_bool_t _dbus_close_socket (int fd,
00146 DBusError *error);
00147 int _dbus_read_socket (int fd,
00148 DBusString *buffer,
00149 int count);
00150 int _dbus_write_socket (int fd,
00151 const DBusString *buffer,
00152 int start,
00153 int len);
00154 int _dbus_write_socket_two (int fd,
00155 const DBusString *buffer1,
00156 int start1,
00157 int len1,
00158 const DBusString *buffer2,
00159 int start2,
00160 int len2);
00161 int _dbus_connect_tcp_socket (const char *host,
00162 const char *port,
00163 const char *family,
00164 DBusError *error);
00165 int _dbus_listen_tcp_socket (const char *host,
00166 const char *port,
00167 const char *family,
00168 DBusString *retport,
00169 int **fds_p,
00170 DBusError *error);
00171 int _dbus_accept (int listen_fd);
00172
00173
00174 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00175 DBusCredentials *credentials,
00176 DBusError *error);
00177 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00178 DBusError *error);
00179
00180 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00181 const DBusString *username);
00182 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00183 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00184
00185 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00186 dbus_uid_t *uid_p);
00187 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00188 dbus_gid_t *gid_p);
00189 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00190 dbus_gid_t **group_ids,
00191 int *n_group_ids);
00192 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00193 DBusError *error);
00194 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00195 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00196
00197 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00198 DBusCredentials *credentials);
00199
00203 typedef struct DBusAtomic DBusAtomic;
00204
00208 struct DBusAtomic
00209 {
00210 #ifdef DBUS_WIN
00211 volatile long value;
00212 #else
00213 volatile dbus_int32_t value;
00214 #endif
00215 };
00216
00217
00218
00219
00220
00221 #if DBUS_HAVE_ATOMIC_INT_COND
00222 # define DBUS_HAVE_ATOMIC_INT 1
00223 #else
00224 # undef DBUS_HAVE_ATOMIC_INT
00225 #endif
00226
00227 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00228 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00229
00230
00231
00232
00233 #ifdef _AIX
00234
00235 #define _DBUS_POLLIN 0x0001
00236
00237 #define _DBUS_POLLPRI 0x0004
00238
00239 #define _DBUS_POLLOUT 0x0002
00240
00241 #define _DBUS_POLLERR 0x4000
00242
00243 #define _DBUS_POLLHUP 0x2000
00244
00245 #define _DBUS_POLLNVAL 0x8000
00246 #else
00247
00248 #define _DBUS_POLLIN 0x0001
00249
00250 #define _DBUS_POLLPRI 0x0002
00251
00252 #define _DBUS_POLLOUT 0x0004
00253
00254 #define _DBUS_POLLERR 0x0008
00255
00256 #define _DBUS_POLLHUP 0x0010
00257
00258 #define _DBUS_POLLNVAL 0x0020
00259 #endif
00260
00264 typedef struct
00265 {
00266 int fd;
00267 short events;
00268 short revents;
00269 } DBusPollFD;
00270
00271 int _dbus_poll (DBusPollFD *fds,
00272 int n_fds,
00273 int timeout_milliseconds);
00274
00275 void _dbus_sleep_milliseconds (int milliseconds);
00276
00277 void _dbus_get_current_time (long *tv_sec,
00278 long *tv_usec);
00279
00283 dbus_bool_t _dbus_file_exists (const char *file);
00284 dbus_bool_t _dbus_file_get_contents (DBusString *str,
00285 const DBusString *filename,
00286 DBusError *error);
00287 dbus_bool_t _dbus_string_save_to_file (const DBusString *str,
00288 const DBusString *filename,
00289 DBusError *error);
00290
00291 dbus_bool_t _dbus_make_file_world_readable (const DBusString *filename,
00292 DBusError *error);
00293
00294 dbus_bool_t _dbus_create_file_exclusively (const DBusString *filename,
00295 DBusError *error);
00296 dbus_bool_t _dbus_delete_file (const DBusString *filename,
00297 DBusError *error);
00298 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00299 DBusError *error);
00300 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00301 DBusError *error);
00302
00303 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00304 const DBusString *next_component);
00305 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00306 DBusString *dirname);
00307 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00308
00309 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00310 dbus_bool_t _dbus_get_standard_system_servicedirs (DBusList **dirs);
00311
00312 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00313 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00314
00315 typedef struct {
00316 int fd_or_handle;
00317 } DBusPipe;
00318
00319 void _dbus_pipe_init (DBusPipe *pipe,
00320 int fd);
00321 void _dbus_pipe_init_stdout (DBusPipe *pipe);
00322 int _dbus_pipe_write (DBusPipe *pipe,
00323 const DBusString *buffer,
00324 int start,
00325 int len,
00326 DBusError *error);
00327 int _dbus_pipe_close (DBusPipe *pipe,
00328 DBusError *error);
00329 dbus_bool_t _dbus_pipe_is_valid (DBusPipe *pipe);
00330 void _dbus_pipe_invalidate (DBusPipe *pipe);
00331 dbus_bool_t _dbus_pipe_is_stdout_or_stderr (DBusPipe *pipe);
00332
00333
00335 typedef struct DBusDirIter DBusDirIter;
00336
00337 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00338 DBusError *error);
00339 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00340 DBusString *filename,
00341 DBusError *error);
00342 void _dbus_directory_close (DBusDirIter *iter);
00343
00344 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00345 DBusError *error);
00346
00347 void _dbus_fd_set_close_on_exec (int fd);
00348
00349 const char* _dbus_get_tmpdir (void);
00350
00354 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00355 int n_bytes);
00356 void _dbus_generate_random_bytes_buffer (char *buffer,
00357 int n_bytes);
00358 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00359 int n_bytes);
00360 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00361 int n_bytes);
00362
00363 const char* _dbus_error_from_errno (int error_number);
00364
00365 void _dbus_set_errno_to_zero (void);
00366 dbus_bool_t _dbus_get_is_errno_nonzero (void);
00367 dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock (void);
00368 dbus_bool_t _dbus_get_is_errno_enomem (void);
00369 dbus_bool_t _dbus_get_is_errno_eintr (void);
00370 const char* _dbus_strerror_from_errno (void);
00371
00372 void _dbus_disable_sigpipe (void);
00373
00374
00375 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00376
00377 int _dbus_printf_string_upper_bound (const char *format,
00378 va_list args);
00379
00380
00384 typedef struct
00385 {
00386 unsigned long mode;
00387 unsigned long nlink;
00388 dbus_uid_t uid;
00389 dbus_gid_t gid;
00390 unsigned long size;
00391 unsigned long atime;
00392 unsigned long mtime;
00393 unsigned long ctime;
00394 } DBusStat;
00395
00396 dbus_bool_t _dbus_stat (const DBusString *filename,
00397 DBusStat *statbuf,
00398 DBusError *error);
00399 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00400 int *fd2,
00401 dbus_bool_t blocking,
00402 DBusError *error);
00403
00404 void _dbus_print_backtrace (void);
00405
00406 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00407 DBusPipe *print_pid_pipe,
00408 DBusError *error);
00409
00410 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00411 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00412 DBusError *error);
00413
00414 dbus_bool_t _dbus_write_pid_to_file_and_pipe (const DBusString *pidfile,
00415 DBusPipe *print_pid_pipe,
00416 dbus_pid_t pid_to_write,
00417 DBusError *error);
00418
00420 typedef void (* DBusSignalHandler) (int sig);
00421
00422 void _dbus_set_signal_handler (int sig,
00423 DBusSignalHandler handler);
00424
00425 dbus_bool_t _dbus_user_at_console (const char *username,
00426 DBusError *error);
00427
00428
00429
00430
00431 #if !defined (DBUS_VA_COPY)
00432 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00433 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00434 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00435 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00436 # else
00437 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00438 # endif
00439 #endif
00440
00441
00446 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00447 (((const char*)&(p))[(i)])
00448
00453 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00454 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00455 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00456 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00457 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00458 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00459 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00460 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00461 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00462
00463 dbus_bool_t _dbus_get_autolaunch_address (DBusString *address,
00464 DBusError *error);
00465
00469 typedef union DBusGUID DBusGUID;
00470
00471 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00472 dbus_bool_t create_if_not_found,
00473 DBusError *error);
00474
00480 dbus_bool_t _dbus_threads_init_platform_specific (void);
00481
00482 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00483 const char *suffix,
00484 DBusList **dir_list);
00485
00486 unsigned long _dbus_pid_for_log (void);
00487
00488
00489
00490
00491
00492 dbus_pid_t _dbus_getpid (void);
00493
00494 void _dbus_flush_caches (void);
00495
00498 DBUS_END_DECLS
00499
00500 #endif