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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 #include <dbus/dbus-errors.h>
00035 #include <dbus/dbus-file.h>
00036 #include <dbus/dbus-string.h>
00037
00038
00039
00040
00041 #include <string.h>
00042 #include <stdarg.h>
00043
00044
00045
00046
00047
00048 #ifdef HAVE_POLL
00049 #include <sys/poll.h>
00050 #endif
00051
00052 #ifdef DBUS_WINCE
00053
00054
00055 #include "dbus-sysdeps-wince-glue.h"
00056 #endif
00057
00058 DBUS_BEGIN_DECLS
00059
00060 #ifdef DBUS_WIN
00061 #define _DBUS_PATH_SEPARATOR ";"
00062 #else
00063 #define _DBUS_PATH_SEPARATOR ":"
00064 #endif
00065
00066
00067
00068
00070 typedef struct DBusList DBusList;
00071
00073 typedef struct DBusCredentials DBusCredentials;
00074
00076 typedef struct DBusPipe DBusPipe;
00077
00084 void _dbus_abort (void) _DBUS_GNUC_NORETURN;
00085
00086 const char* _dbus_getenv (const char *varname);
00087 dbus_bool_t _dbus_setenv (const char *varname,
00088 const char *value);
00089 dbus_bool_t _dbus_clearenv (void);
00090 char ** _dbus_get_environment (void);
00091
00093 typedef unsigned long dbus_pid_t;
00095 typedef unsigned long dbus_uid_t;
00097 typedef unsigned long dbus_gid_t;
00098
00100 #define DBUS_PID_UNSET ((dbus_pid_t) -1)
00101
00102 #define DBUS_UID_UNSET ((dbus_uid_t) -1)
00103
00104 #define DBUS_GID_UNSET ((dbus_gid_t) -1)
00105
00107 #define DBUS_PID_FORMAT "%lu"
00108
00109 #define DBUS_UID_FORMAT "%lu"
00110
00111 #define DBUS_GID_FORMAT "%lu"
00112
00113
00124 dbus_bool_t _dbus_open_tcp_socket (int *fd,
00125 DBusError *error);
00126 dbus_bool_t _dbus_close_socket (int fd,
00127 DBusError *error);
00128 int _dbus_read_socket (int fd,
00129 DBusString *buffer,
00130 int count);
00131 int _dbus_write_socket (int fd,
00132 const DBusString *buffer,
00133 int start,
00134 int len);
00135 int _dbus_write_socket_two (int fd,
00136 const DBusString *buffer1,
00137 int start1,
00138 int len1,
00139 const DBusString *buffer2,
00140 int start2,
00141 int len2);
00142
00143 int _dbus_read_socket_with_unix_fds (int fd,
00144 DBusString *buffer,
00145 int count,
00146 int *fds,
00147 int *n_fds);
00148 int _dbus_write_socket_with_unix_fds (int fd,
00149 const DBusString *buffer,
00150 int start,
00151 int len,
00152 const int *fds,
00153 int n_fds);
00154 int _dbus_write_socket_with_unix_fds_two (int fd,
00155 const DBusString *buffer1,
00156 int start1,
00157 int len1,
00158 const DBusString *buffer2,
00159 int start2,
00160 int len2,
00161 const int *fds,
00162 int n_fds);
00163
00164 dbus_bool_t _dbus_socket_is_invalid (int fd);
00165
00166 int _dbus_connect_tcp_socket (const char *host,
00167 const char *port,
00168 const char *family,
00169 DBusError *error);
00170 int _dbus_connect_tcp_socket_with_nonce (const char *host,
00171 const char *port,
00172 const char *family,
00173 const char *noncefile,
00174 DBusError *error);
00175 int _dbus_listen_tcp_socket (const char *host,
00176 const char *port,
00177 const char *family,
00178 DBusString *retport,
00179 int **fds_p,
00180 DBusError *error);
00181 int _dbus_accept (int listen_fd);
00182
00183
00184 dbus_bool_t _dbus_read_credentials_socket (int client_fd,
00185 DBusCredentials *credentials,
00186 DBusError *error);
00187 dbus_bool_t _dbus_send_credentials_socket (int server_fd,
00188 DBusError *error);
00189
00190 dbus_bool_t _dbus_credentials_add_from_user (DBusCredentials *credentials,
00191 const DBusString *username);
00192 dbus_bool_t _dbus_credentials_add_from_current_process (DBusCredentials *credentials);
00193 dbus_bool_t _dbus_append_user_from_current_process (DBusString *str);
00194
00195 dbus_bool_t _dbus_parse_unix_user_from_config (const DBusString *username,
00196 dbus_uid_t *uid_p);
00197 dbus_bool_t _dbus_parse_unix_group_from_config (const DBusString *groupname,
00198 dbus_gid_t *gid_p);
00199 dbus_bool_t _dbus_unix_groups_from_uid (dbus_uid_t uid,
00200 dbus_gid_t **group_ids,
00201 int *n_group_ids);
00202 dbus_bool_t _dbus_unix_user_is_at_console (dbus_uid_t uid,
00203 DBusError *error);
00204 dbus_bool_t _dbus_unix_user_is_process_owner (dbus_uid_t uid);
00205 dbus_bool_t _dbus_windows_user_is_process_owner (const char *windows_sid);
00206
00207 dbus_bool_t _dbus_append_keyring_directory_for_credentials (DBusString *directory,
00208 DBusCredentials *credentials);
00209
00210 void _dbus_daemon_publish_session_bus_address (const char* address);
00211
00212 void _dbus_daemon_unpublish_session_bus_address (void);
00213
00214 dbus_bool_t _dbus_socket_can_pass_unix_fd(int fd);
00215
00219 typedef struct DBusAtomic DBusAtomic;
00220
00224 struct DBusAtomic
00225 {
00226 #ifdef DBUS_WIN
00227 volatile long value;
00228 #else
00229 volatile dbus_int32_t value;
00230 #endif
00231 };
00232
00233
00234
00235
00236
00237 #if DBUS_HAVE_ATOMIC_INT_COND
00238 # define DBUS_HAVE_ATOMIC_INT 1
00239 #else
00240 # undef DBUS_HAVE_ATOMIC_INT
00241 #endif
00242
00243 dbus_int32_t _dbus_atomic_inc (DBusAtomic *atomic);
00244 dbus_int32_t _dbus_atomic_dec (DBusAtomic *atomic);
00245
00246
00247
00248
00249 #ifdef _AIX
00250
00251 #define _DBUS_POLLIN 0x0001
00252
00253 #define _DBUS_POLLPRI 0x0004
00254
00255 #define _DBUS_POLLOUT 0x0002
00256
00257 #define _DBUS_POLLERR 0x4000
00258
00259 #define _DBUS_POLLHUP 0x2000
00260
00261 #define _DBUS_POLLNVAL 0x8000
00262 #elif defined(__HAIKU__)
00263
00264 #define _DBUS_POLLIN 0x0001
00265
00266 #define _DBUS_POLLOUT 0x0002
00267
00268 #define _DBUS_POLLERR 0x0004
00269
00270 #define _DBUS_POLLPRI 0x0020
00271
00272 #define _DBUS_POLLHUP 0x0080
00273
00274 #define _DBUS_POLLNVAL 0x1000
00275 #else
00276
00277 #define _DBUS_POLLIN 0x0001
00278
00279 #define _DBUS_POLLPRI 0x0002
00280
00281 #define _DBUS_POLLOUT 0x0004
00282
00283 #define _DBUS_POLLERR 0x0008
00284
00285 #define _DBUS_POLLHUP 0x0010
00286
00287 #define _DBUS_POLLNVAL 0x0020
00288 #endif
00289
00293 typedef struct
00294 {
00295 int fd;
00296 short events;
00297 short revents;
00298 } DBusPollFD;
00299
00300 int _dbus_poll (DBusPollFD *fds,
00301 int n_fds,
00302 int timeout_milliseconds);
00303
00304 void _dbus_sleep_milliseconds (int milliseconds);
00305
00306 void _dbus_get_current_time (long *tv_sec,
00307 long *tv_usec);
00308
00312 dbus_bool_t _dbus_create_directory (const DBusString *filename,
00313 DBusError *error);
00314 dbus_bool_t _dbus_delete_directory (const DBusString *filename,
00315 DBusError *error);
00316
00317 dbus_bool_t _dbus_concat_dir_and_file (DBusString *dir,
00318 const DBusString *next_component);
00319 dbus_bool_t _dbus_string_get_dirname (const DBusString *filename,
00320 DBusString *dirname);
00321 dbus_bool_t _dbus_path_is_absolute (const DBusString *filename);
00322
00323 dbus_bool_t _dbus_get_standard_session_servicedirs (DBusList **dirs);
00324 dbus_bool_t _dbus_get_standard_system_servicedirs (DBusList **dirs);
00325
00326 dbus_bool_t _dbus_append_system_config_file (DBusString *str);
00327 dbus_bool_t _dbus_append_session_config_file (DBusString *str);
00328
00330 typedef struct DBusDirIter DBusDirIter;
00331
00332 DBusDirIter* _dbus_directory_open (const DBusString *filename,
00333 DBusError *error);
00334 dbus_bool_t _dbus_directory_get_next_file (DBusDirIter *iter,
00335 DBusString *filename,
00336 DBusError *error);
00337 void _dbus_directory_close (DBusDirIter *iter);
00338
00339 dbus_bool_t _dbus_check_dir_is_private_to_user (DBusString *dir,
00340 DBusError *error);
00341
00342 void _dbus_fd_set_close_on_exec (intptr_t fd);
00343
00344 const char* _dbus_get_tmpdir (void);
00345
00349 void _dbus_generate_pseudorandom_bytes_buffer (char *buffer,
00350 int n_bytes);
00351 void _dbus_generate_random_bytes_buffer (char *buffer,
00352 int n_bytes);
00353 dbus_bool_t _dbus_generate_random_bytes (DBusString *str,
00354 int n_bytes);
00355 dbus_bool_t _dbus_generate_random_ascii (DBusString *str,
00356 int n_bytes);
00357
00358 const char* _dbus_error_from_errno (int error_number);
00359 const char* _dbus_error_from_system_errno (void);
00360
00361 void _dbus_set_errno_to_zero (void);
00362 dbus_bool_t _dbus_get_is_errno_nonzero (void);
00363 dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock (void);
00364 dbus_bool_t _dbus_get_is_errno_enomem (void);
00365 dbus_bool_t _dbus_get_is_errno_eintr (void);
00366 dbus_bool_t _dbus_get_is_errno_epipe (void);
00367 const char* _dbus_strerror_from_errno (void);
00368
00369 void _dbus_disable_sigpipe (void);
00370
00371
00372 void _dbus_exit (int code) _DBUS_GNUC_NORETURN;
00373
00374 int _dbus_printf_string_upper_bound (const char *format,
00375 va_list args);
00376
00377
00381 typedef struct
00382 {
00383 unsigned long mode;
00384 unsigned long nlink;
00385 dbus_uid_t uid;
00386 dbus_gid_t gid;
00387 unsigned long size;
00388 unsigned long atime;
00389 unsigned long mtime;
00390 unsigned long ctime;
00391 } DBusStat;
00392
00393 dbus_bool_t _dbus_stat (const DBusString *filename,
00394 DBusStat *statbuf,
00395 DBusError *error);
00396 dbus_bool_t _dbus_full_duplex_pipe (int *fd1,
00397 int *fd2,
00398 dbus_bool_t blocking,
00399 DBusError *error);
00400
00401 void _dbus_print_backtrace (void);
00402
00403 dbus_bool_t _dbus_become_daemon (const DBusString *pidfile,
00404 DBusPipe *print_pid_pipe,
00405 DBusError *error,
00406 dbus_bool_t keep_umask);
00407
00408 dbus_bool_t _dbus_verify_daemon_user (const char *user);
00409 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00410 DBusError *error);
00411
00412 dbus_bool_t _dbus_write_pid_to_file_and_pipe (const DBusString *pidfile,
00413 DBusPipe *print_pid_pipe,
00414 dbus_pid_t pid_to_write,
00415 DBusError *error);
00416
00417 dbus_bool_t _dbus_command_for_pid (unsigned long pid,
00418 DBusString *str,
00419 int max_len,
00420 DBusError *error);
00421
00423 typedef void (* DBusSignalHandler) (int sig);
00424
00425 void _dbus_set_signal_handler (int sig,
00426 DBusSignalHandler handler);
00427
00428 dbus_bool_t _dbus_user_at_console (const char *username,
00429 DBusError *error);
00430
00431 void _dbus_init_system_log (void);
00432
00433 typedef enum {
00434 DBUS_SYSTEM_LOG_INFO,
00435 DBUS_SYSTEM_LOG_SECURITY,
00436 DBUS_SYSTEM_LOG_FATAL
00437 } DBusSystemLogSeverity;
00438
00439 void _dbus_system_log (DBusSystemLogSeverity severity, const char *msg, ...) _DBUS_GNUC_PRINTF (2, 3);
00440 void _dbus_system_logv (DBusSystemLogSeverity severity, const char *msg, va_list args);
00441
00442
00443
00444
00445 #if !defined (DBUS_VA_COPY)
00446 # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
00447 # define DBUS_VA_COPY(ap1, ap2) (*(ap1) = *(ap2))
00448 # elif defined (DBUS_VA_COPY_AS_ARRAY)
00449 # define DBUS_VA_COPY(ap1, ap2) memcpy ((ap1), (ap2), sizeof (va_list))
00450 # else
00451 # define DBUS_VA_COPY(ap1, ap2) ((ap1) = (ap2))
00452 # endif
00453 #endif
00454
00455
00460 #define _DBUS_BYTE_OF_PRIMITIVE(p, i) \
00461 (((const char*)&(p))[(i)])
00462
00467 #define _DBUS_DOUBLES_BITWISE_EQUAL(a, b) \
00468 (_DBUS_BYTE_OF_PRIMITIVE (a, 0) == _DBUS_BYTE_OF_PRIMITIVE (b, 0) && \
00469 _DBUS_BYTE_OF_PRIMITIVE (a, 1) == _DBUS_BYTE_OF_PRIMITIVE (b, 1) && \
00470 _DBUS_BYTE_OF_PRIMITIVE (a, 2) == _DBUS_BYTE_OF_PRIMITIVE (b, 2) && \
00471 _DBUS_BYTE_OF_PRIMITIVE (a, 3) == _DBUS_BYTE_OF_PRIMITIVE (b, 3) && \
00472 _DBUS_BYTE_OF_PRIMITIVE (a, 4) == _DBUS_BYTE_OF_PRIMITIVE (b, 4) && \
00473 _DBUS_BYTE_OF_PRIMITIVE (a, 5) == _DBUS_BYTE_OF_PRIMITIVE (b, 5) && \
00474 _DBUS_BYTE_OF_PRIMITIVE (a, 6) == _DBUS_BYTE_OF_PRIMITIVE (b, 6) && \
00475 _DBUS_BYTE_OF_PRIMITIVE (a, 7) == _DBUS_BYTE_OF_PRIMITIVE (b, 7))
00476
00477 dbus_bool_t _dbus_get_autolaunch_address (DBusString *address,
00478 DBusError *error);
00479
00480 dbus_bool_t _dbus_lookup_session_address (dbus_bool_t *supported,
00481 DBusString *address,
00482 DBusError *error);
00483
00487 typedef union DBusGUID DBusGUID;
00488
00489 dbus_bool_t _dbus_read_local_machine_uuid (DBusGUID *machine_id,
00490 dbus_bool_t create_if_not_found,
00491 DBusError *error);
00492
00498 dbus_bool_t _dbus_threads_init_platform_specific (void);
00499
00500 dbus_bool_t _dbus_split_paths_and_append (DBusString *dirs,
00501 const char *suffix,
00502 DBusList **dir_list);
00503
00504 unsigned long _dbus_pid_for_log (void);
00505
00506
00507
00508
00509
00510 dbus_pid_t _dbus_getpid (void);
00511
00512 dbus_bool_t _dbus_change_to_daemon_user (const char *user,
00513 DBusError *error);
00514
00515 void _dbus_flush_caches (void);
00516
00517
00518
00519
00520
00521
00522
00523
00524 const char *
00525 _dbus_replace_install_prefix (const char *configure_time_path);
00526
00529 DBUS_END_DECLS
00530
00531 #endif