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00026 #ifndef DBUS_SYSDEPS_H
00027 #define DBUS_SYSDEPS_H
00028
00029 #include "config.h"
00030
00031 #ifdef HAVE_STDINT_H
00032 #include <stdint.h>
00033 #endif
00034
00035 #include <dbus/dbus-errors.h>
00036 #include <dbus/dbus-file.h>
00037 #include <dbus/dbus-string.h>
00038
00039
00040
00041
00042 #include <string.h>
00043 #include <stdarg.h>
00044
00045
00046
00047
00048
00049 #ifdef HAVE_POLL
00050 #include <sys/poll.h>
00051 #endif
00052
00053 #ifdef DBUS_WINCE
00054
00055
00056 #include "dbus-sysdeps-wince-glue.h"
00057 #endif
00058
00059 DBUS_BEGIN_DECLS
00060
00061 #ifdef DBUS_WIN
00062 #define _DBUS_PATH_SEPARATOR ";"
00063 #else
00064 #define _DBUS_PATH_SEPARATOR ":"
00065 #endif
00066
00067
00068
00069
00071 typedef struct DBusList DBusList;
00072
00074 typedef struct DBusCredentials DBusCredentials;
00075
00077 typedef struct DBusPipe DBusPipe;
00078
00085 void _dbus_abort (void) _DBUS_GNUC_NORETURN;
00086
00087 const char* _dbus_getenv (const char *varname);
00088 dbus_bool_t _dbus_setenv (const char *varname,
00089 const char *value);
00090 dbus_bool_t _dbus_clearenv (void);
00091 char ** _dbus_get_environment (void);
00092
00094 typedef unsigned long dbus_pid_t;
00096 typedef unsigned long dbus_uid_t;
00098 typedef unsigned long dbus_gid_t;
00099
00101 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00102
00103 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00104
00105 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00106
00108 #define DBUS_PID_FORMAT "%lu"
00109
00110 #define DBUS_UID_FORMAT "%lu"
00111
00112 #define DBUS_GID_FORMAT "%lu"
00113
00114
00125 dbus_bool_t _dbus_open_tcp_socket (int *fd,
00126 DBusError *error);
00127 dbus_bool_t _dbus_close_socket (int fd,
00128 DBusError *error);
00129 int _dbus_read_socket (int fd,
00130 DBusString *buffer,
00131 int count);
00132 int _dbus_write_socket (int fd,
00133 const DBusString *buffer,
00134 int start,
00135 int len);
00136 int _dbus_write_socket_two (int fd,
00137 const DBusString *buffer1,
00138 int start1,
00139 int len1,
00140 const DBusString *buffer2,
00141 int start2,
00142 int len2);
00143
00144 int _dbus_read_socket_with_unix_fds (int fd,
00145 DBusString *buffer,
00146 int count,
00147 int *fds,
00148 int *n_fds);
00149 int _dbus_write_socket_with_unix_fds (int fd,
00150 const DBusString *buffer,
00151 int start,
00152 int len,
00153 const int *fds,
00154 int n_fds);
00155 int _dbus_write_socket_with_unix_fds_two (int fd,
00156 const DBusString *buffer1,
00157 int start1,
00158 int len1,
00159 const DBusString *buffer2,
00160 int start2,
00161 int len2,
00162 const int *fds,
00163 int n_fds);
00164
00165 dbus_bool_t _dbus_socket_is_invalid (int fd);
00166
00167 int _dbus_connect_tcp_socket (const char *host,
00168 const char *port,
00169 const char *family,
00170 DBusError *error);
00171 int _dbus_connect_tcp_socket_with_nonce (const char *host,
00172 const char *port,
00173 const char *family,
00174 const char *noncefile,
00175 DBusError *error);
00176 int _dbus_listen_tcp_socket (const char *host,
00177 const char *port,
00178 const char *family,
00179 DBusString *retport,
00180 int **fds_p,
00181 DBusError *error);
00182 int _dbus_accept (int listen_fd);
00183
00184
00185 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00186 DBusCredentials *credentials,
00187 DBusError *error);
00188 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00189 DBusError *error);
00190
00191 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00192 const DBusString *username);
00193 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00194 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00195
00196 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00197 dbus_uid_t *uid_p);
00198 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00199 dbus_gid_t *gid_p);
00200 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00201 dbus_gid_t **group_ids,
00202 int *n_group_ids);
00203 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00204 DBusError *error);
00205 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00206 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00207
00208 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00209 DBusCredentials *credentials);
00210
00211 dbus_bool_t _dbus_daemon_is_session_bus_address_published (const char *scope);
00212
00213 dbus_bool_t _dbus_daemon_publish_session_bus_address (const char* address, const char* shm_name);
00214
00215 void _dbus_daemon_unpublish_session_bus_address (void);
00216
00217 dbus_bool_t _dbus_socket_can_pass_unix_fd(int fd);
00218
00222 typedef struct DBusAtomic DBusAtomic;
00223
00227 struct DBusAtomic
00228 {
00229 #ifdef DBUS_WIN
00230 volatile long value;
00231 #else
00232 volatile dbus_int32_t value;
00233 #endif
00234 };
00235
00236
00237
00238
00239
00240 #if DBUS_HAVE_ATOMIC_INT_COND
00241 # define DBUS_HAVE_ATOMIC_INT 1
00242 #else
00243 # undef DBUS_HAVE_ATOMIC_INT
00244 #endif
00245
00246 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00247 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00248 dbus_int32_t _dbus_atomic_get (DBusAtomic *atomic);
00249
00250
00251
00252
00253 #ifdef _AIX
00254
00255 #define _DBUS_POLLIN 0x0001
00256
00257 #define _DBUS_POLLPRI 0x0004
00258
00259 #define _DBUS_POLLOUT 0x0002
00260
00261 #define _DBUS_POLLERR 0x4000
00262
00263 #define _DBUS_POLLHUP 0x2000
00264
00265 #define _DBUS_POLLNVAL 0x8000
00266 #elif defined(__HAIKU__)
00267
00268 #define _DBUS_POLLIN 0x0001
00269
00270 #define _DBUS_POLLOUT 0x0002
00271
00272 #define _DBUS_POLLERR 0x0004
00273
00274 #define _DBUS_POLLPRI 0x0020
00275
00276 #define _DBUS_POLLHUP 0x0080
00277
00278 #define _DBUS_POLLNVAL 0x1000
00279 #else
00280
00281 #define _DBUS_POLLIN 0x0001
00282
00283 #define _DBUS_POLLPRI 0x0002
00284
00285 #define _DBUS_POLLOUT 0x0004
00286
00287 #define _DBUS_POLLERR 0x0008
00288
00289 #define _DBUS_POLLHUP 0x0010
00290
00291 #define _DBUS_POLLNVAL 0x0020
00292 #endif
00293
00297 typedef struct
00298 {
00299 int fd;
00300 short events;
00301 short revents;
00302 } DBusPollFD;
00303
00304 int _dbus_poll (DBusPollFD *fds,
00305 int n_fds,
00306 int timeout_milliseconds);
00307
00308 void _dbus_sleep_milliseconds (int milliseconds);
00309
00310 void _dbus_get_current_time (long *tv_sec,
00311 long *tv_usec);
00312
00316 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00317 DBusError *error);
00318 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00319 DBusError *error);
00320
00321 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00322 const DBusString *next_component);
00323 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00324 DBusString *dirname);
00325 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00326
00327 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00328 dbus_bool_t _dbus_get_standard_system_servicedirs (DBusList **dirs);
00329
00330 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00331 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00332
00334 typedef struct DBusDirIter DBusDirIter;
00335
00336 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00337 DBusError *error);
00338 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00339 DBusString *filename,
00340 DBusError *error);
00341 void _dbus_directory_close (DBusDirIter *iter);
00342
00343 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00344 DBusError *error);
00345
00346 void _dbus_fd_set_close_on_exec (intptr_t fd);
00347
00348 const char* _dbus_get_tmpdir (void);
00349
00353 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00354 int n_bytes);
00355 void _dbus_generate_random_bytes_buffer (char *buffer,
00356 int n_bytes);
00357 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00358 int n_bytes);
00359 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00360 int n_bytes);
00361
00362 const char* _dbus_error_from_errno (int error_number);
00363 const char* _dbus_error_from_system_errno (void);
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 dbus_bool_t _dbus_get_is_errno_epipe (void);
00371 const char* _dbus_strerror_from_errno (void);
00372
00373 void _dbus_disable_sigpipe (void);
00374
00375
00376 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00377
00378 int _dbus_printf_string_upper_bound (const char *format,
00379 va_list args);
00380
00381
00385 typedef struct
00386 {
00387 unsigned long mode;
00388 unsigned long nlink;
00389 dbus_uid_t uid;
00390 dbus_gid_t gid;
00391 unsigned long size;
00392 unsigned long atime;
00393 unsigned long mtime;
00394 unsigned long ctime;
00395 } DBusStat;
00396
00397 dbus_bool_t _dbus_stat (const DBusString *filename,
00398 DBusStat *statbuf,
00399 DBusError *error);
00400 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00401 int *fd2,
00402 dbus_bool_t blocking,
00403 DBusError *error);
00404
00405 void _dbus_print_backtrace (void);
00406
00407 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00408 DBusPipe *print_pid_pipe,
00409 DBusError *error,
00410 dbus_bool_t keep_umask);
00411
00412 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00413 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00414 DBusError *error);
00415
00416 dbus_bool_t _dbus_write_pid_to_file_and_pipe (const DBusString *pidfile,
00417 DBusPipe *print_pid_pipe,
00418 dbus_pid_t pid_to_write,
00419 DBusError *error);
00420
00421 dbus_bool_t _dbus_command_for_pid (unsigned long pid,
00422 DBusString *str,
00423 int max_len,
00424 DBusError *error);
00425
00427 typedef void (* DBusSignalHandler) (int sig);
00428
00429 void _dbus_set_signal_handler (int sig,
00430 DBusSignalHandler handler);
00431
00432 dbus_bool_t _dbus_user_at_console (const char *username,
00433 DBusError *error);
00434
00435 void _dbus_init_system_log (void);
00436
00437 typedef enum {
00438 DBUS_SYSTEM_LOG_INFO,
00439 DBUS_SYSTEM_LOG_SECURITY,
00440 DBUS_SYSTEM_LOG_FATAL
00441 } DBusSystemLogSeverity;
00442
00443 void _dbus_system_log (DBusSystemLogSeverity severity, const char *msg, ...) _DBUS_GNUC_PRINTF (2, 3);
00444 void _dbus_system_logv (DBusSystemLogSeverity severity, const char *msg, va_list args);
00445
00446
00447
00448
00449 #if !defined (DBUS_VA_COPY)
00450 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00451 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00452 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00453 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00454 # else
00455 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00456 # endif
00457 #endif
00458
00459
00464 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00465 (((const char*)&(p))[(i)])
00466
00471 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00472 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00473 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00474 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00475 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00476 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00477 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00478 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00479 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00480
00481 dbus_bool_t _dbus_get_autolaunch_address (const char *scope,
00482 DBusString *address,
00483 DBusError *error);
00484
00485 dbus_bool_t _dbus_lookup_session_address (dbus_bool_t *supported,
00486 DBusString *address,
00487 DBusError *error);
00488
00492 typedef union DBusGUID DBusGUID;
00493
00494 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00495 dbus_bool_t create_if_not_found,
00496 DBusError *error);
00497
00503 dbus_bool_t _dbus_threads_init_platform_specific (void);
00504
00505 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00506 const char *suffix,
00507 DBusList **dir_list);
00508
00509 unsigned long _dbus_pid_for_log (void);
00510
00511
00512
00513
00514
00515 dbus_pid_t _dbus_getpid (void);
00516
00517 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00518 DBusError *error);
00519
00520 void _dbus_flush_caches (void);
00521
00522 void _dbus_request_file_descriptor_limit (unsigned int limit);
00523
00524
00525
00526
00527
00528
00529
00530
00531 const char *
00532 _dbus_replace_install_prefix (const char *configure_time_path);
00533
00534
00535
00536
00537
00538
00539
00540 void
00541 _dbus_reset_process_attributes (void);
00542
00545 DBUS_END_DECLS
00546
00547
00548 #ifdef DBUS_WIN
00549 #include "dbus-sysdeps-win.h"
00550 #endif
00551
00552 #endif