2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* Merged cygwin_daemon into head minus the new shm and ipc exports. 2002-02-28 Robert Collins <rbtcollins@hotmail.com> * fhandler_tty.cc (fhandler_tty_slave::open): More debugging. (fhandler_tty_slave::read): Fix printf type for the handle. * tty.cc (tty::common_init): Add a FIXME for security. 2002-01-29 Robert Collins <rbtcollins@hotmail.com> * Makefile.in (OBJS): Remove duplicate localtime.o. 2002-01-17 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (check_and_dup_handle): Consolidate the two variants for simplicity. Add Some basic debug output. (client_request_attach_tty::serve): Use the new debug_printf for clarity. Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen tty's. 2002-01-16 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (transport): Correct scope. (client_request_attach_tty::serve): Add more debug information. Fix erroneous use of transport instead of conn. * cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug. (transport_layer_pipes::read): Ditto. (transport_layer_pipes::write): Ditto. (transport_layer_pipes::impersonate_client): Ditto. Mon Oct 8 7:41:00 2001 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (server_request::process): Rename client_request_shm_get to client_request_shm. * cygserver_process.cc (process_cache::add): Rename to add_task. Use process_cleanup instead of process_request. (process_cache::remove_process): New method. (process::process): Initialize new members. (process::~process): New member. (process::cleanup): New method. (process::add_cleanup_routine): New method. (process_request::process): Rename to process_cleanup. Call the process object's cleanup method and then delete it. (process_process_param::request_loop): Remove the signalling process. * cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm. (client_request_shm_get::serve): Handle attach request counting. * cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm. (class shm_cleanup): New class. * shm.cc: Globally rename client_request_shm_get to client_request_shm. (client_request_shm::client_request_shm): New constructor for attach requests. (shmat): Use it. * include/cygwin/cygserver_process.h (class process_request): Rename to process_cleanup. (class cleanup_routine): New class. (class process): New members and methods to allow calling back when the process terminates. Thu Oct 4 14:12:00 2001 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (request_loop): Make static. (main): Use new cache constructor syntax. Start cache worker threads. Cleanup the cache at shutdown. * cygserver_process.cc: Run indent. (process_cache::process_cache): Add a trigger to use when adding a process. (process_cache::process): Move process_entry to process. Insert at the end of the list. Trigger the request loop when new process's inserted. (process_cache::process_requests): Do it. (process_cache::add): New method. (process_cache::handle_snapshot): New method. (process::process): Merge in the process_entry fields. (process::handle): Make a stub function. (process::exit_code): New method. (process_request::process): New method. (process_process_param::request_loop): New method. * cygserver_shm.cc: New header dependency - threaded_queue.h. * threaded_queue.cc (threaded_queue::cleanup): Clearer messages. (queue_process_param::stop): Short spinlock on interruptible threads. * threaded_queue.h (class threaded_queue): New constructor. * include/cygwin/cygserver_process.h (process_request): New class. (process_entry): Remove. (process): Merge in process_entry. (process_cache): Inherit from threaded_queue. Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (class server_process_param): Use new constructor syntax. * cygserver_process.cc (process_cache::~process_cache): New function. * threaded_queue.cc: Define condition debug_printf. Run indent. (threaded_queue::cleanup): Move queue_process_param guts to a method. (threaded_queue::process_requests): Ditto. (queue_process_param::queue_process_param): New method. (queue_process_param::~queue_process_param): Ditto. (queue_process_param::start): Ditto. (queue_process_param::stop): Ditto. * threaded_queue.h (class queue_process_param): Add support for interruptible request loops. * cygwin/include/cygwin/cygserver_process.h (class process_cache): Add destructor. Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com> * cygserver_client.cc: New flag allow_daemon to disable the daemon completely. (cygserver_request): Check it. (cygserver_init): Ditto. * environ.cc (parse_thing): Add (no)daemon option. Tue Oct 2 23:00:00 2001 Robert Collins <rbtcollins@hotmail.com> * shm.cc: Update to handle include changes from HEAD. Tue Oct 2 16:06:00 2001 Robert Collins <rbtcollins@hotmail.com> * Makefile.in: Remove cygserver_shm.o from cygwin1.dll. Rename cygserver_shm_outside.o to cygserver_shm.o. * cygserver.cc (server_request::process): Use the new client_request constructor. * cygserver_client.cc: Remove the #ifdef's stubs for the server method within cygwin. (client_request_attach_tty::client_request_attach_tty): Use the new client_request constructor. (client_request_shutdown::client_request_shutdown): Ditto. (client_request::client_request): Ditto. * cygserver_shm.cc (client_request_shm_get::serve): Remove the #ifdef'd stub for in-cygwin builds. (client_request_shm_get::client_request_shm_get): Use the new client_request constructor, and remove the in-cygwin variants. * cygserver_shm.h (class client_request_shm_get): #ifndef test the serve method - it's only used in cygserver. * shm.cc (client_request_shm_get::client_request_shm_get): New function. * include/cygwin/cygserver.h (request_header): New constructor. (class client_request): Use it. New constructor accepting the header size. #ifndef test the server method - it's only used within cygserver. (client_request_get_version): #ifdef test the server method. (client_request_shutdown): Ditto. (client_request_attach_tty): Ditto. Tue Oct 2 9:57:00 2001 Robert Collins <rbtcollins@hotmail.com> * Makefile.in: add threaded_queue.o to cygserver.exe. * cygserver.cc: Include threaded_queue.h (class server_request): Inherit from queue_request. (class server_process_param): Inherit from queue_process_param. (class server_request_queue): Inherit from threaded_queue. (request_loop): Adjust for new types. (server_request_queue::process_requests): Remove guts to threaded_queue::process_requests. (server_request::server_request): Adjust for new types. (worker_function): Delete. (server_request_queue::create_workers): Delete. (server_request_queue::cleanup): Delete. (server_request_queue::add): Move guts to threaded_queue::add. * threaded_queue.cc: New file. * threaded_queue.h: New file. Mon Oct 1 12:38:00 2001 Robert Collins <rbtcollins@hotmail.com> * cygserver.cc (client_request::serve): New function. * cygserver_process.cc: Inlude <pthread.h> for pthread_once. (process_cache::process_cache): Initialise a crtiical section for write access. (process_cache::process): Use the critical section. Also add missing entries to the cache. (do_process_init): New function to initalise class process static variables. (process::process): Ensure that the process access critical section is initialised. (process::handle): Close the handle of old process's when they have terminated and we are returning the handle for a process with the same pid. * cygserver_shm.cc: Run indent. Include cygserver_process.h to allow process cache functionality. (client_request_shm_get::serve): New parameter for process cache support. Use the process cache, not OpenProcess to get a handle to the originating process. Fix a handle leak with token_handle. * cygserver_shm.h (class client_request_shm_get): Update ::serve for process cache support. * cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG. * include/cygwin/cygserver.h: Do not implement client_request::serve in the header. * include/cygwin/cygserver_process.h (class process_cache): Add a write access critical section to prevent races when requests from a multithreaded application arrive. Sun Sep 30 23:41:00 2001 Robert Collins <rbtcollins@hotmail.com> * Makefile.in: Add cygserver_process.o to cygserver.exe. * cygserver.cc: Include signal.h and cygwin_version.h. Define debug_printf as a macro. Define DEBUG to a value. (client_request_attach_tty::serve): Add beginning of process cache support. Change from #ifdef DEBUG to work with new DEBUG style. (client_request_get_version::serve): Add beginning of process cache support. (class server_request): New prototype for support of process cache. (class queue_process_param): New class to allow request loop threading. (class server_request_queue): Add beginning of process cache support. Allow request loop threading. (request_loop): Thread function for request loops. (server_request_queue::process_requests): Initiator for threaded request loops. (client_request_shutdown::serve): Add beginning of process cache support. (server_request::server_request): Ditto. (server_request::process): Use debug_printf. Add beginning of process cache support. (server_request_queue::cleanup): Kill off any request loop threads. (server_request_queue::add): Add beginning of process cache support. (handle_signal): Trigger a shutdown. (main): Print out some useful info at startup - version, date time. Add process cache support. Spawn a separate thread for the transport request loop, thus allowing concurrent support for multiple transports. * cygserver_client.cc (client_request_get_version::serve): Add process cache support. (client_request_attach_tty::serve): Add process cache support. (client_request_shutdown::serve): Add process cache support. * cygsserver_process.cc: New file with the process cache support. * cygserver_shm.cc: Redefine debug_printf to allow conditional output. * cygwin.din: Export shmdt(). * shm.cc: Run indent. Update FIXME's. (shmdt): New function. * include/cygwin/cygserver.h (class client_request): Add process cache support. (class client_request_get_version): Ditto. (class client_request_shutdown): Ditto. (class client_request_attach_tty): Ditto. * include/cygwin/cygserver_process.h: New header for process cache support. Sun Sep 30 8:52:00 2001 Robert Collins <rbtcollins@hotmail.com> * include/cygwin/cygserver_transport.h: Add copyright header. * include/cygwin/cygserver_transport_pipes.h: Ditto. * include/cygwin/cygserver_transport_sockets.h: Ditto. Sat Sep 29 20:40:00 2001 Robert Collins <rbtcollins@hotmail.com> * Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES. Add cygserver_transport_sockets_outside.o to cygserver.exe. * cygserver.cc: Include new include files. * cygserver_client.cc: Ditto. * cygserver_shm.h: No need to include <sys/socket.h> now. * cygerver_transport.cc: Include new include files. (transport_layer_base::transport_layer_base): Strip back to a stub. (transport_layer_base::listen): Ditto. (transport_layer_base::accept): Ditto. (transport_layer_base::close): Ditto. (transport_layer_base::read): Ditto. (transport_layer_base::write): Ditto. (transport_layer_base::connect): Ditto. * cygserver_transport_pipes.cc: Include new header "cygwin/cygserver_transport_pipes.h". * cygserver_transport_sockets.cc: New file. * dcrt0.cc: No need to include <sys/socket.h> now. * fhandler_tty.cc: Ditto. * tty.cc: Ditto. * include/cygwin/cygserver_transport.h: Strip the base class to a stub. Remove the cygserver_transport_pipes class. * include/cygwin/cygserver_transport_pipes.h: New file. * include/cygwin/cygserver_transport_sockets.h: New file. Tue Sep 25 16:22:00 2001 Robert Collins <rbtcollins@hotmail.com> * autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'. * Makefile.in: Add new object files, and build instructions for cygserver.exe. * cygwin.din: Export ftok, shmat, shmctl and shmget. * dcrt0.cc: Additional includes for cygserver support. (dll_crt0_1): Initialise the cygserver client. * fhandler.h (fhandler_tty): New method cygserver_attach_tty. * fhandler_tty.cc: Additional includes for cygserver support. (fhandler_tty_slave::open): Attempt to use the cygserver when obtaining handles from the parent process. On failure or 9x use the current method. (fhandler_tty_slave::cygserver_attach_tty): New function. * fork.cc (fork_child): Fixup shm memory mapped areas. * pinfo.h: Declare fixup_shms_after_fork(). * security.h: Declare alloc_sd(). * tty.cc: Additonal includes to support cygserver. (tty::common_init): Don't allow others to open us if the cygserver is running. * winsup.h: Declare cygserver_running. * cygserver.cc: New file. * cygserver_client.cc: New file. * cygserver_shm.cc: New file. * cygserver_shm.h: New file. * cygserver_transport.cc: New file. * cygserver_transport_pipes.cc: New file. * ipc.cc: New file. * shm.cc: New file. * include/cygwin/cygserver.h: New file. * include/cygwin/cygserver_transport.h: New file. * include/sys/ipc.h: New file. * include/sys/shm.h: New file. 2002-02-28 Robert Collins <rbtcollins@hotmail.com> * thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1. (__sem_wait): Ditto. (__sem_trywait): Ditto.
This commit is contained in:
Robert Collins
@@ -26,6 +26,8 @@ details. */
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#include "pinfo.h"
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#include "cygheap.h"
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#include "shared_info.h"
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#include "cygwin/cygserver_transport.h"
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#include "cygwin/cygserver.h"
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/* Tty master stuff */
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@@ -510,38 +512,54 @@ fhandler_tty_slave::open (path_conv *, int flags, mode_t)
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return 0;
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}
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HANDLE tty_owner = OpenProcess (PROCESS_DUP_HANDLE, FALSE,
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get_ttyp ()->master_pid);
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if (tty_owner == NULL)
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HANDLE from_master_local, to_master_local;
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if (!wincap.has_security () ||
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cygserver_running!=CYGSERVER_OK ||
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!cygserver_attach_tty ( &from_master_local, &to_master_local))
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{
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termios_printf ("can't open tty (%d) handle process %d",
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ttynum, get_ttyp ()->master_pid);
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__seterrno ();
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return 0;
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termios_printf ("cannot dup handles via server. using old method.");
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HANDLE tty_owner = OpenProcess (PROCESS_DUP_HANDLE, FALSE,
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get_ttyp ()->master_pid);
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termios_printf ("tty own handle %p",tty_owner);
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if (tty_owner == NULL)
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{
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termios_printf ("can't open tty (%d) handle process %d",
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ttynum, get_ttyp ()->master_pid);
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__seterrno ();
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return 0;
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}
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if (!DuplicateHandle (tty_owner, get_ttyp ()->from_master,
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hMainProc, &from_master_local, 0, TRUE,
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DUPLICATE_SAME_ACCESS))
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{
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termios_printf ("can't duplicate input, %E");
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__seterrno ();
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return 0;
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}
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if (!DuplicateHandle (tty_owner, get_ttyp ()->to_master,
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hMainProc, &to_master_local, 0, TRUE,
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DUPLICATE_SAME_ACCESS))
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{
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termios_printf ("can't duplicate output, %E");
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__seterrno ();
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return 0;
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}
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CloseHandle (tty_owner);
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}
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HANDLE nh;
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if (!DuplicateHandle (tty_owner, get_ttyp ()->from_master, hMainProc, &nh, 0, TRUE,
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DUPLICATE_SAME_ACCESS))
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{
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termios_printf ("can't duplicate input, %E");
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__seterrno ();
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return 0;
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}
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set_io_handle (nh);
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ProtectHandle1 (nh, from_pty);
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termios_printf ("duplicated from_master %p->%p from tty_owner %p",
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get_ttyp ()->from_master, nh, tty_owner);
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if (!DuplicateHandle (tty_owner, get_ttyp ()->to_master, hMainProc, &nh, 0, TRUE,
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DUPLICATE_SAME_ACCESS))
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{
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termios_printf ("can't duplicate output, %E");
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__seterrno ();
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return 0;
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}
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set_output_handle (nh);
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ProtectHandle1 (nh, to_pty);
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CloseHandle (tty_owner);
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termios_printf ("duplicated from_master %p->%p from tty_owner",
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get_ttyp ()->from_master, from_master_local);
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termios_printf ("duplicated to_master %p->%p from tty_owner",
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get_ttyp ()->to_master, to_master_local);
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set_io_handle (from_master_local);
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ProtectHandle1 (from_master_local, from_pty);
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set_output_handle (to_master_local);
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ProtectHandle1 (to_master_local, to_pty);
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set_open_status ();
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termios_printf ("tty%d opened", ttynum);
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@@ -549,6 +567,39 @@ fhandler_tty_slave::open (path_conv *, int flags, mode_t)
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return 1;
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}
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int
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fhandler_tty_slave::cygserver_attach_tty (LPHANDLE from_master_ptr,
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LPHANDLE to_master_ptr)
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{
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if (!from_master_ptr || !to_master_ptr)
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return 0;
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client_request_attach_tty *request =
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new client_request_attach_tty ((DWORD) GetCurrentProcessId (),
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(DWORD) get_ttyp ()->master_pid,
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(HANDLE) get_ttyp ()->from_master,
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(HANDLE) get_ttyp ()->to_master);
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if (cygserver_request (request) != 0 ||
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request->header.error_code != 0)
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return 0;
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/*
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struct request_attach_tty req;
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INIT_REQUEST (req, CYGSERVER_REQUEST_ATTACH_TTY);
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req.pid = GetCurrentProcessId ();
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req.master_pid = get_ttyp ()->master_pid;
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req.from_master = get_ttyp ()->from_master;
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req.to_master = get_ttyp ()->to_master;
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if (cygserver_request ((struct request_header*) &req) != 0)
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return 0;
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*/
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*from_master_ptr = request->from_master ();
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*to_master_ptr = request->to_master ();
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delete request;
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return 1;
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}
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void
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fhandler_tty_slave::init (HANDLE, DWORD a, mode_t)
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{
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@@ -634,7 +685,7 @@ fhandler_tty_slave::read (void *ptr, size_t len)
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DWORD rc;
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HANDLE w4[2];
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termios_printf ("read(%x, %d) handle %d", ptr, len, get_handle ());
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termios_printf ("read(%x, %d) handle %p", ptr, len, get_handle ());
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if (!(get_ttyp ()->ti.c_lflag & ICANON))
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{
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