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00025 #ifndef DBUS_SYSDEPS_H
00026 #define DBUS_SYSDEPS_H
00027
00028 #include "config.h"
00029
00030 #ifdef HAVE_STDINT_H
00031 #include <stdint.h>
00032 #endif
00033
00034 #ifdef HAVE_INTTYPES_H
00035 #include <inttypes.h>
00036 #endif
00037
00038 #include <dbus/dbus-errors.h>
00039 #include <dbus/dbus-file.h>
00040 #include <dbus/dbus-string.h>
00041
00042
00043
00044
00045 #include <string.h>
00046 #include <stdarg.h>
00047
00048
00049
00050
00051
00052 #ifdef HAVE_POLL
00053 #include <sys/poll.h>
00054 #endif
00055
00056 #ifdef DBUS_WINCE
00057
00058
00059 #include "dbus-sysdeps-wince-glue.h"
00060 #endif
00061
00062 DBUS_BEGIN_DECLS
00063
00064 #ifdef DBUS_WIN
00065 #define _DBUS_PATH_SEPARATOR ";"
00066 #else
00067 #define _DBUS_PATH_SEPARATOR ":"
00068 #endif
00069
00070
00071
00072
00074 typedef struct DBusList DBusList;
00075
00077 typedef struct DBusCredentials DBusCredentials;
00078
00080 typedef struct DBusPipe DBusPipe;
00081
00088 void _dbus_abort (void) _DBUS_GNUC_NORETURN;
00089
00090 dbus_bool_t _dbus_check_setuid (void);
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 char ** _dbus_get_environment (void);
00096
00098 typedef unsigned long dbus_pid_t;
00100 typedef unsigned long dbus_uid_t;
00102 typedef unsigned long dbus_gid_t;
00103
00105 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00106
00107 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00108
00109 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00110
00112 #define DBUS_PID_FORMAT "%lu"
00113
00114 #define DBUS_UID_FORMAT "%lu"
00115
00116 #define DBUS_GID_FORMAT "%lu"
00117
00118
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
00146 int _dbus_read_socket_with_unix_fds (int fd,
00147 DBusString *buffer,
00148 int count,
00149 int *fds,
00150 int *n_fds);
00151 int _dbus_write_socket_with_unix_fds (int fd,
00152 const DBusString *buffer,
00153 int start,
00154 int len,
00155 const int *fds,
00156 int n_fds);
00157 int _dbus_write_socket_with_unix_fds_two (int fd,
00158 const DBusString *buffer1,
00159 int start1,
00160 int len1,
00161 const DBusString *buffer2,
00162 int start2,
00163 int len2,
00164 const int *fds,
00165 int n_fds);
00166
00167 dbus_bool_t _dbus_socket_is_invalid (int fd);
00168
00169 int _dbus_connect_tcp_socket (const char *host,
00170 const char *port,
00171 const char *family,
00172 DBusError *error);
00173 int _dbus_connect_tcp_socket_with_nonce (const char *host,
00174 const char *port,
00175 const char *family,
00176 const char *noncefile,
00177 DBusError *error);
00178 int _dbus_listen_tcp_socket (const char *host,
00179 const char *port,
00180 const char *family,
00181 DBusString *retport,
00182 int **fds_p,
00183 DBusError *error);
00184 int _dbus_accept (int listen_fd);
00185
00186
00187 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00188 DBusCredentials *credentials,
00189 DBusError *error);
00190 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00191 DBusError *error);
00192
00193 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00194 const DBusString *username);
00195 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00196 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00197
00198 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00199 dbus_uid_t *uid_p);
00200 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00201 dbus_gid_t *gid_p);
00202 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00203 dbus_gid_t **group_ids,
00204 int *n_group_ids);
00205 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00206 DBusError *error);
00207 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00208 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00209
00210 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00211 DBusCredentials *credentials);
00212
00213 dbus_bool_t _dbus_daemon_is_session_bus_address_published (const char *scope);
00214
00215 dbus_bool_t _dbus_daemon_publish_session_bus_address (const char* address, const char* shm_name);
00216
00217 void _dbus_daemon_unpublish_session_bus_address (void);
00218
00219 dbus_bool_t _dbus_socket_can_pass_unix_fd(int fd);
00220
00224 typedef struct DBusAtomic DBusAtomic;
00225
00229 struct DBusAtomic
00230 {
00231 #ifdef DBUS_WIN
00232 volatile long value;
00233 #else
00234 volatile dbus_int32_t value;
00235 #endif
00236 };
00237
00238
00239
00240
00241
00242 #if DBUS_HAVE_ATOMIC_INT_COND
00243 # define DBUS_HAVE_ATOMIC_INT 1
00244 #else
00245 # undef DBUS_HAVE_ATOMIC_INT
00246 #endif
00247
00248 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00249 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00250 dbus_int32_t _dbus_atomic_get (DBusAtomic *atomic);
00251
00252
00253
00254
00255 #ifdef _AIX
00256
00257 #define _DBUS_POLLIN 0x0001
00258
00259 #define _DBUS_POLLPRI 0x0004
00260
00261 #define _DBUS_POLLOUT 0x0002
00262
00263 #define _DBUS_POLLERR 0x4000
00264
00265 #define _DBUS_POLLHUP 0x2000
00266
00267 #define _DBUS_POLLNVAL 0x8000
00268 #elif defined(__HAIKU__)
00269
00270 #define _DBUS_POLLIN 0x0001
00271
00272 #define _DBUS_POLLOUT 0x0002
00273
00274 #define _DBUS_POLLERR 0x0004
00275
00276 #define _DBUS_POLLPRI 0x0020
00277
00278 #define _DBUS_POLLHUP 0x0080
00279
00280 #define _DBUS_POLLNVAL 0x1000
00281 #else
00282
00283 #define _DBUS_POLLIN 0x0001
00284
00285 #define _DBUS_POLLPRI 0x0002
00286
00287 #define _DBUS_POLLOUT 0x0004
00288
00289 #define _DBUS_POLLERR 0x0008
00290
00291 #define _DBUS_POLLHUP 0x0010
00292
00293 #define _DBUS_POLLNVAL 0x0020
00294 #endif
00295
00299 typedef struct
00300 {
00301 int fd;
00302 short events;
00303 short revents;
00304 } DBusPollFD;
00305
00306 int _dbus_poll (DBusPollFD *fds,
00307 int n_fds,
00308 int timeout_milliseconds);
00309
00310 void _dbus_sleep_milliseconds (int milliseconds);
00311
00312 void _dbus_get_monotonic_time (long *tv_sec,
00313 long *tv_usec);
00314
00315 void _dbus_get_real_time (long *tv_sec,
00316 long *tv_usec);
00317
00321 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00322 DBusError *error);
00323 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00324 DBusError *error);
00325
00326 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00327 const DBusString *next_component);
00328 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00329 DBusString *dirname);
00330 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00331
00332 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00333 dbus_bool_t _dbus_get_standard_system_servicedirs (DBusList **dirs);
00334
00335 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00336 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00337
00339 typedef struct DBusDirIter DBusDirIter;
00340
00341 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00342 DBusError *error);
00343 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00344 DBusString *filename,
00345 DBusError *error);
00346 void _dbus_directory_close (DBusDirIter *iter);
00347
00348 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00349 DBusError *error);
00350
00351 void _dbus_fd_set_close_on_exec (intptr_t fd);
00352
00353 const char* _dbus_get_tmpdir (void);
00354
00358 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00359 int n_bytes);
00360 void _dbus_generate_random_bytes_buffer (char *buffer,
00361 int n_bytes);
00362 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00363 int n_bytes);
00364 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00365 int n_bytes);
00366
00367 const char* _dbus_error_from_errno (int error_number);
00368 const char* _dbus_error_from_system_errno (void);
00369
00370 void _dbus_set_errno_to_zero (void);
00371 dbus_bool_t _dbus_get_is_errno_nonzero (void);
00372 dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock (void);
00373 dbus_bool_t _dbus_get_is_errno_enomem (void);
00374 dbus_bool_t _dbus_get_is_errno_eintr (void);
00375 dbus_bool_t _dbus_get_is_errno_epipe (void);
00376 const char* _dbus_strerror_from_errno (void);
00377
00378 void _dbus_disable_sigpipe (void);
00379
00380
00381 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00382
00383 int _dbus_printf_string_upper_bound (const char *format,
00384 va_list args);
00385
00386
00390 typedef struct
00391 {
00392 unsigned long mode;
00393 unsigned long nlink;
00394 dbus_uid_t uid;
00395 dbus_gid_t gid;
00396 unsigned long size;
00397 unsigned long atime;
00398 unsigned long mtime;
00399 unsigned long ctime;
00400 } DBusStat;
00401
00402 dbus_bool_t _dbus_stat (const DBusString *filename,
00403 DBusStat *statbuf,
00404 DBusError *error);
00405 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00406 int *fd2,
00407 dbus_bool_t blocking,
00408 DBusError *error);
00409
00410 void _dbus_print_backtrace (void);
00411
00412 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00413 DBusPipe *print_pid_pipe,
00414 DBusError *error,
00415 dbus_bool_t keep_umask);
00416
00417 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00418 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00419 DBusError *error);
00420
00421 dbus_bool_t _dbus_write_pid_to_file_and_pipe (const DBusString *pidfile,
00422 DBusPipe *print_pid_pipe,
00423 dbus_pid_t pid_to_write,
00424 DBusError *error);
00425
00426 dbus_bool_t _dbus_command_for_pid (unsigned long pid,
00427 DBusString *str,
00428 int max_len,
00429 DBusError *error);
00430
00432 typedef void (* DBusSignalHandler) (int sig);
00433
00434 void _dbus_set_signal_handler (int sig,
00435 DBusSignalHandler handler);
00436
00437 dbus_bool_t _dbus_user_at_console (const char *username,
00438 DBusError *error);
00439
00440 void _dbus_init_system_log (void);
00441
00442 typedef enum {
00443 DBUS_SYSTEM_LOG_INFO,
00444 DBUS_SYSTEM_LOG_SECURITY,
00445 DBUS_SYSTEM_LOG_FATAL
00446 } DBusSystemLogSeverity;
00447
00448 void _dbus_system_log (DBusSystemLogSeverity severity, const char *msg, ...) _DBUS_GNUC_PRINTF (2, 3);
00449 void _dbus_system_logv (DBusSystemLogSeverity severity, const char *msg, va_list args);
00450
00451
00452
00453
00454 #if !defined (DBUS_VA_COPY)
00455 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00456 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00457 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00458 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00459 # else
00460 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00461 # endif
00462 #endif
00463
00464
00469 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00470 (((const char*)&(p))[(i)])
00471
00476 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00477 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00478 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00479 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00480 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00481 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00482 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00483 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00484 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00485
00486 dbus_bool_t _dbus_get_autolaunch_address (const char *scope,
00487 DBusString *address,
00488 DBusError *error);
00489
00490 dbus_bool_t _dbus_lookup_session_address (dbus_bool_t *supported,
00491 DBusString *address,
00492 DBusError *error);
00493
00497 typedef union DBusGUID DBusGUID;
00498
00499 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00500 dbus_bool_t create_if_not_found,
00501 DBusError *error);
00502
00508 dbus_bool_t _dbus_threads_init_platform_specific (void);
00509
00510 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00511 const char *suffix,
00512 DBusList **dir_list);
00513
00514 unsigned long _dbus_pid_for_log (void);
00515
00516
00517
00518
00519
00520 dbus_pid_t _dbus_getpid (void);
00521
00522 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00523 DBusError *error);
00524
00525 void _dbus_flush_caches (void);
00526
00527 void _dbus_request_file_descriptor_limit (unsigned int limit);
00528
00529
00530
00531
00532
00533
00534
00535
00536 const char *
00537 _dbus_replace_install_prefix (const char *configure_time_path);
00538
00541 DBUS_END_DECLS
00542
00543
00544 #ifdef DBUS_WIN
00545 #include "dbus-sysdeps-win.h"
00546 #endif
00547
00548 #endif