Commit Graph

33 Commits

Author SHA1 Message Date
Takashi Yano b0a701a3b0 Cygwin: pty: Move function hook_api() into hookapi.cc.
- PTY uses Win32 API hook for pseudo console suppot. The function
  hook_api() is used for this purpose and defined in fhandler_tty.cc
  previously. This patch moves it into hookapi.cc.
2020-10-14 10:53:59 -04:00
Corinna Vinschen 6e623e9320 Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option
Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.

Everything else stays under GPLv3+.

New Linking Exception exempts resulting executables from LGPLv3 section 4.

Add CONTRIBUTORS file to keep track of licensing.

Remove 'Copyright Red Hat Inc' comments.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-06-23 10:09:17 +02:00
Corinna Vinschen 61522196c7 * Merge in cygwin-64bit-branch. 2013-04-23 09:44:36 +00:00
Christopher Faylor 46f5dd5958 whitespace cleanup 2012-08-16 23:34:45 +00:00
Christopher Faylor 226133e80c * hookapi.cc (find_first_notloaded_dll): Remove unused assignment of
importRVASize found by Clang.
2012-07-04 06:04:16 +00:00
Corinna Vinschen 0b592aeef2 * hookapi.cc (find_first_notloaded_dll): Extend comment. Fix usage of
mapped memory.  Shorten static library name buffer to MAX_PATH.  Use
	strlcpy to copy library name to buffer.  Only Unmap "map" if it has been
	Mapped before.
	* pinfo.cc (status_exit): Drop unneeded declaration of
	find_first_notloaded_dll in favor of the declaration in winsup.h.
2012-05-30 14:37:53 +00:00
Corinna Vinschen 9e1fe26d12 * hookapi.cc (rvadelta): Compute max_size using SizeOfRawData rather
than VirtualSize.
2012-04-04 11:09:44 +00:00
Corinna Vinschen b732246b87 * hookapi.cc (hook_or_detect_cygwin): Change condition when to use
importRVAMaxSize or importRVASize for the mapping size.  Make sure
	to map never more than the section size.  Change comments accordingly.
2012-03-13 17:15:28 +00:00
Corinna Vinschen e928291c63 * hookapi.cc (find_first_notloaded_dll): Fix a compiler warning. 2012-03-09 12:42:14 +00:00
Corinna Vinschen acb3c3e564 * hookapi.cc (rvadelta): Add parameter to return maximum available
size from start of import RVA table to end of section.
	(find_first_notloaded_dll): Take big executables into account.  Use
	offset and size computation as in hook_or_detect_cygwin, just simpler.
	(hook_or_detect_cygwin): Return NULL rather than false througout.
	Change computation of required mapping size to take non-gcc compilers
	into account.  Explain the differences and what we do against them.
	Don't alloca buf if fn is NULL.  Never use buf if fn is NULL.

	Fix name and address in previous ChangeLog entry.
2012-03-09 12:37:37 +00:00
Corinna Vinschen be2280986d * hookapi.cc (hook_or_detect_cygwin): Take additional handle
to a file mapping as parameter.  If this handle is not NULL,
	create another file mapping for the IAT.
	* spawn.cc (av::fixup): Only map the first 64K of an image and
	keep the mapping handle to use as argument to hook_or_detect_cygwin.
	* winsup.h (hook_or_detect_cygwin): Add mapping handle as default
	parameter in declaration.
2011-10-25 16:35:58 +00:00
Corinna Vinschen fc3e7da6b0 Throughout, open console handles with sharing for reading and writing.
* dcrt0.cc (insert_file): Open file with full sharing allowed.
	* hookapi.cc (find_first_notloaded_dll): Ditto.
	* spawn.cc (av::fixup): Ditto.
2011-07-04 15:25:36 +00:00
Corinna Vinschen 3591470260 * Throughout fix copyright dates. 2011-02-15 15:56:03 +00:00
Christopher Faylor 27239c6372 * hookapi.cc (hook_or_detect_cygwin): Prevent i from being considered
uninitialized by gcc.
2011-02-09 15:46:00 +00:00
Christopher Faylor 7b9e380f03 * cygheap.cc (creturn): Reorganize to avoid a new compiler warning/error.
* dtable.cc (handle_to_fn): Ditto.
* fhandler_console.cc (fhandler_console::read): Ditto.
(fhandler_console::scroll_screen): Ditto.
(dev_console::set_color): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::write): Ditto.
(fhandler_dev_dsp::read): Ditto.
* fhandler_tape.cc (mtinfo_drive::get_status): Ditto.
* hookapi.cc (find_first_notloaded_dll): Ditto.
* mmap.cc (msync): Ditto.
* pipe.cc (pipesync::pipesync): Ditto.
* sec_acl.cc (getace): Ditto.
* sec_auth.cc (create_token): Ditto.
(lsaauth): Ditto.
* select.cc (peek_pipe): Ditto.
* spawn.cc (av::fixup): Ditto.
* syscalls.cc (popen): Ditto.
* tty.cc (tty::init_session): Ditto.
* uinfo.cc (pwdgrp::load): Ditto.
* fhandler.cc (fhandler_base::setup_overlapped): Ditto.
(fhandler_base::wait_overlapped): Rename second use of res variable to wres or
errors are not returned correctly.
* dcrt0.cc: Remove obsolete variable.
* dll_init.cc (release_upto): Fix typo involving incorrect use of '|'.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Avoid a compiler
warning regarding coercing type-punned variables.
(fhandler_base::fstat_by_name): Ditto.  fhandler_fifo.cc
(fhandler_fifo::open_nonserver): Fix = vs.  == typo.
(fhandler_fifo::wait): Add all conditions to switch statement to avoid a
compiler warning.
* fhandler_process.cc: Avoid unneeded initialization of variables to zero.
(fhandler_socket::listen): Add braces around initializer.
* flock.cc (inode_t::get_all_locks_list): Reorganize to avoid a compiler
warning.  Fix problem with EWOULDBLOCK error return.
* path.cc (GUID_shortcut): Use braces around struct initializer.
(cygwin_conv_path): Reorganize to avoid a compiler warning.
* random.cc (dummy): Mark variable as volatile to avoid a "used uninitialized"
warning.
* libc/getopt.c: Mark some variables as dllexport although gcc doesn't seem to
do the right thing with them.
* libc/minires-os-if.c (get_registry_dns_items): Coerce some function arguments
to avoid a compiler warning.
2008-09-11 04:34:24 +00:00
Christopher Faylor b13e6864f5 Remove unneeded header files from source files throughout. 2008-04-07 18:45:59 +00:00
Christopher Faylor 93d606f60a * hookapi.cc (find_first_notloaded_dll): New function.
* pinfo.cc (status_exit): New function.  Issue message when dll not found.  Use
find_first_notloaded_dll to find a nonexistent dll.
(pinfo::maybe_set_exit_code_from_windows): Call status_exit when exit code >=
0xc0000000UL.
* sigproc.cc (child_info::proc_retry): Return exit code when
STATUS_DLL_NOT_FOUND.
* spawn.cc (spawn_guts): Minor cleanup.
* syscalls.cc (close_all_files): Don't actually close stderr filehandle.  Just
make it noninheritable.
* winsup.h (find_first_notloaded_dll): Declare new function.
* ntdll.h: Add several missing NTSTATUS defines.
2008-03-27 01:50:40 +00:00
Corinna Vinschen c69d873f31 * string.h: Re-enable inline strcasematch and strncasematch
implementations and rename to ascii_strcasematch/ascii_strncasematch.
	* dcrt0.cc: Replace str[n]casematch with ascii_str[n]casematch where
	applicable.
	* environ.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* hookapi.cc: Ditto.
	* path.cc: Ditto.
	* spawn.cc: Ditto.
	* strace.cc: Ditto.
	* syscalls.cc: Ditto.
	* uinfo.cc: Ditto.
	* winf.cc: Ditto.
2008-02-01 12:37:51 +00:00
Christopher Faylor ee4388c420 Change many cygheap allocation routines to their *_abort analogs.
* cygheap.cc (cmalloc_abort): New function.
(crealloc_abort): Ditto.
(ccalloc_abort): Ditto.
2007-11-26 21:30:49 +00:00
Corinna Vinschen 891b6e885e * hookapi.cc (ld_preload): Call LoadLibraryW.
* path.h (path_conv::get_wide_win32_path_len): Define.
2007-08-20 15:41:08 +00:00
Corinna Vinschen 29992bf3da * path.h (path_conv::operator char *): Delete.
(path_conv::operator const char *): Delete.
	* dlfcn.cc: Throughout, replace path_conv::operator char * and
	path_conv::operator const char * by call to path_conv::get_win32
	for easier transition to UNICODE_PATHs.
	* fhandler_socket.cc: Ditto.
	* hookapi.cc: Ditto.
	* path.cc: Ditto.
	* spawn.cc: Ditto.
	* syscalls.cc: Ditto.
	* uinfo.cc: Ditto.
2007-08-16 15:07:42 +00:00
Christopher Faylor b4054e7706 * hookapi.cc: Add comment header
(putmem): Make static.
(get_export): Ditto.
(rvadelta): Ditto.  Don't assume that a section which ends where the import_rva
begins is the import list.
* child_info.h: Update copyright.
* fork.cc: Ditto.
2006-07-06 17:16:37 +00:00
Christopher Faylor 7fbfec2b64 * winsup.h (cygwin_hmodule): Declare.
* exceptions.cc (inside_kernel): Reverse return values to reflect function
name.  Return true if we're in cygwin1.dll or if we're executing in dll_entry.
(_cygtls::interrupt_now): Reflect reversal of inside_kernel return value.
* hookapi.cc (cygwin_hmodule): Remove declaration.
* init.cc (dll_entry): Use in_dllentry global to record that we are executing
in dllentry.
2006-02-23 19:21:21 +00:00
Christopher Faylor 247ac234f4 * cygheap.cc (init_cygheap::manage_console_count): Revert previous change.
Handle this a different way.
* external.cc (cygwin_internal): Accommodate extra hook_or_detect_cygwin
argument.
* hookapi.cc (cygwin_internal): Fill in subsys variable with the subsystem of
the executable.
* spawn.cc (av::iscui): New variable.
(spawn_guts): Hide window when we don't have a console and this isn't
NT/XP/2003.
(av::fixup): Set iscui flag.
* winsup.h (hook_or_detect_cygwin): Accommodate extra argument.
2005-12-21 17:14:34 +00:00
Christopher Faylor fd01d14ab1 * hookapi.cc (putmem): Remove query of previous memory protection since we get
that for free the first time we call VirtualProtect.
2005-12-16 18:10:10 +00:00
Christopher Faylor 503490bb9f * hookapi.cc (hook_or_detect_cygwin): Correct inverted test for whether to
allocate a buffer by always allocating a buffer.
2005-09-28 20:20:57 +00:00
Christopher Faylor 59960f651d * hookapi.cc (hook_or_detect_cygwin): Simplify very slightly.
* spawn.cc (av::fixup): Guard against problems reading an executable which does
not match Microsoft's documentation about PE format.
2005-09-15 00:02:57 +00:00
Christopher Faylor 70d0243ce9 * hookapi.cc (rvadelta): Change argument to DWORD to eliminate a compiler
warning.
* path.h (path_conv::set_cygexec): New function.
* spawn.cc (av::iscygwin): Eliminate.
(av::av): Don't initialize iscygwin.
(spawn_guts): Just use real_path.iscygexec for all tests.
(av::fixup): Short circuit test if .exe extension and known cygexec.  Set
cygexec flag appropriately if we find that program uses cygwin1.dll.
2005-09-08 00:57:12 +00:00
Christopher Faylor 41ff9d8c7d * dcrt0.cc (initial_env): Don't attempt stracing if dynamically loaded.
(dll_crt0_0): Move console initialization earlier.
* init.cc (dll_entry): Move console initialization here.
* exceptions.cc (init_console_handler): Fully remove any old console handler.
* spawn.cc (spawn_guts): Don't fill out windows argv if we've deduced that this
is a cygwin-using program.
(av::fixup): Always check executables to see if they are using cygwin1.dll.
Don't consider .com files to be scripts.
* hookapi.cc (rvadelta): New function.
(PEHeaderFromHModule): Simplify slightly.
(hook_or_detect_cygwin): Use passed in name argument for "HMODULE" rather than
incorrectly reading current program.  Calculate delta needed to read image data
and file names if this isn't a real "HMODULE".
2005-09-07 03:10:17 +00:00
Christopher Faylor e8454a3400 * child_info.h (child_info::sync): Pass pid and HANDLE rather than using pinfo.
(child_info::child_info): Accept an argument controlling whether to create
proc_subproc.
(child_info_spawn::child_info_spawn): Ditto.
* sigproc.cc (child_info::child_info): Ditto.
(child_info_spawn::child_info_spawn): Ditto.
(child_info::sync): Use passed in pid and HANDLE.
* fork.cc (fork_parent): Reflect additional arguments required for
child_info::sync.
* hookapi.cc (hook_or_detect_cygwin): Rename.  Change so that NULL 'fn'
argument just returns "true", indicating that program uses cygwin1.dll.
* spawn.cc (av::win16_exe): New element.
* spawn.cc (av::iscygwin): New element.
(av::fixup): New function.
(spawn_guts): Protect against SEGV.  Use fixup function to detect when it is
safe to wait for a spawned (as opposed to an execed) program.  Reflect changes
in child_info::sync arguments.
* external.cc (cygwin_internal): Reflect function renaming to
hook_or_detect_cygwin.
* cygheap.cc (cygheap_fixup_in_child): Close handle after debug fixup has been
done to prevent false positives in handle collision.
* exceptions.cc (try_to_debug): Notify debugger if already being debugged.
2005-07-17 00:51:03 +00:00
Christopher Faylor 0c55f6ed60 Eliminate (void) cast on standalone function calls throughout. 2005-07-06 20:05:03 +00:00
Christopher Faylor dda0657380 * dcrt0.cc (do_global_dtors): Run DLL dtors.
(__main): Don't rely on atexit to run dtors.
(do_exit): Specifically call do_global_dtors here.
(cygwin_exit): Ditto.
* dll_init.cc (dll_global_dtors): Make global.  Only run dtors once.
(dll_list::init): Just set flag that dtors should be run.  Don't rely on
atexit.
* dll_init.h (dll_global_dtors): Declare.
* exceptions.cc (sigrelse): Define.
* path.h (is_fs_device): New method.
(is_lnk_special): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::link): Use "is_lnk_special" rather
than "is_lnk_symlink".
* syscalls.cc (rename): Ditto.
* hookapi.cc (ld_preload): Use colon as a separator rather than space.
2005-04-14 17:34:03 +00:00
Christopher Faylor b1d9a0bd41 * Makefile.in (DLL_OFILES): Add hookapi.o. Eliminate some cruft.
* cygheap.h (cygheap_types): Add new enum: HEAP_1_HOOK.
(hook_chain): New struct.
(init_cygheap::hooks): Define new element.
* cygheap.cc (cygheap_fixup_in_child): Zero hook chain on exec.
* dcrt0.cc (dll_crt0_1): Call ld_preload just before calling main function.
* external.cc (cygwin_internal): Implement CW_HOOK.
* fork.cc (fork_child): Call fixup_hooks_after_fork.
* init.cc (cygwin_hmodule): Reinstate after a long absence.
* include/sys/cygwin.h: Define CW_HOOK.
* hookapi.cc: New file.
* select.cc (start_thread_socket): Add debugging output.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): gcc 4.x accommodation.
* fhandler_socket.cc (fhandler_socket::connect): Make sure that err is
initialized.
2005-03-22 19:00:31 +00:00