Commit Graph

328 Commits

Author SHA1 Message Date
Corinna Vinschen ef75017378 Fix length returned from sys_cp_wcstombs in case nwc > # of wchars
* strfuncs.cc (sys_cp_wcstombs): Always return number of multibytes
	without trailing NUL as the documentation implies.  Throughout Cygwin,
	fix usage to align to this pattern.
	* fhandler_process.cc (format_process_winexename): Drop trailing NUL
	and LF from output.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-10-22 14:22:07 +02:00
Corinna Vinschen 50b00d2b93 Add sethostname
* net.cc (sethostname): New function.
	* common.din (sethostname): Export
	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2001.
	(CYGWIN_VERSION_DLL_MINOR): Set to 0.

	* new-features.xml (ov-new): Rename from ov-new1.7.
	(ov-new2.1): Add new section.  Document sethostname.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-06-17 11:11:02 +02:00
Corinna Vinschen 6f9e2f3ed5 Handle more Winsock error codes.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-06-15 16:17:16 +02:00
Takashi Yano 3afe8808b9 * net.cc: Define _NETIOAPI_H_ to accomodate newer w32api.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-05-27 13:30:20 +02:00
Renato Silva f7ddc49f40 Fix buffer size error handling in gethostname.
* net.cc (cygwin_gethostname): Fix buffer size error handling.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-04-23 21:57:09 +02:00
Alexey Pavlov aaa7d1f14a
net.cc: Remove extra braces.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-03-13 10:38:49 +01:00
Corinna Vinschen 64f8b4caa3 * net.cc (cygwin_inet_pton): Declare.
(gethostby_specials): New function.
	(gethostby_helper): Change returned addrtype in 4-to-6 case.
	(gethostbyname2): Call gethostby_specials.
2015-01-23 10:46:22 +00:00
Corinna Vinschen d2264bce02 * common.din (sockatmark): Export.
* net.cc (sockatmark): New function.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
2015-01-20 18:23:20 +00:00
Corinna Vinschen f70b9c32d5 * net.cc (fdsock): Change default values for socket buffers on 32 bit
to fix performance on 10Gb networks.
2014-11-20 08:29:31 +00:00
Corinna Vinschen 6a56366a9e * net.cc (cygwin_setsockopt): Drop redundant test for AF_LOCAL and
SOCK_STREAM in SO_PEERCRED case, as in the original patch.
2014-10-13 08:18:18 +00:00
Corinna Vinschen 697b9afe00 Add setsockopt(sd, SOL_SOCKET, SO_PEERCRED, NULL, 0) to disable
initial handshake on AF_LOCAL sockets.
	* fhandler.h (class fhandler_socket): Add no_getpeereid status flag.
	(fhandler_socket::af_local_set_no_getpeereid): New prototype.
	* fhandler_socket.cc (fhandler_socket::af_local_connect): Skip handshake
	if no_getpeereid is set.  Add debug output.
	(fhandler_socket::af_local_accept): Likewise.
	(fhandler_socket::af_local_set_no_getpeereid): New function.
	(fhandler_socket::af_local_copy): Copy no_getpeereid.
	(fhandler_socket::getpeereid): Fail if no_getpeereid is set.
	* net.cc (cygwin_setsockopt): Add SO_PEERCRED for AF_LOCAL/SOCK_STREAM
	sockets.  Add comment to explain why we need it.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
2014-10-11 18:28:04 +00:00
Corinna Vinschen 3f3bd10104 * Throughout, use __try/__except/__endtry blocks, rather than myfault
handler.
	* cygtls.cc (_cygtls::remove): Accommodate the fact that pathbufs
	has been moved from _local_storage to _cygtls.
	* cygtls.h (class tls_pathbuf): Add comment to hint to gendef usage
	of counters.  Change type of counters to uint32_t for clarity.
	Remove _cygtls as friend class.
	(struct _local_storage): Move pathbufs from here...
	(struct _cygtls): ...to here, allowing to access it from _sigbe.
	(class san): Only define on 32 bit.  Remove errno, _c_cnt and _w_cnt
	members.
	(san::setup): Drop parameter.  Don't initialize removed members.
	(san::leave): Don't set removed members.
	(class myfault): Only define on 32 bit.
	(myfault::faulted): Only keep implementation not taking any parameter.
	Drop argument in call to sebastian.setup.
	(__try/__leave/__except/__endtry): Implement to support real SEH.  For
	now stick to SJLJ on 32 bit.
	* dcrt0.cc (dll_crt0_0): Drop 64 bit call to
	exception::install_myfault_handler.
	* exception.h (exception_handler): Define with EXCEPTION_DISPOSITION
	as return type.
	(PDISPATCHER_CONTEXT): Define as void * on 32 bit.  Define as pointer
	to _DISPATCHER_CONTEXT on 64 bit.
	(class exception): Define separately for 32 and 64 bit.
	(exception::myfault): Add handler for myfault SEH handling on 64 bit.
	(exception::exception): Fix mangled method name to account for change
	in type of last parameter.
	(exception::install_myfault_handler): Remove.
	* exceptions.cc (exception::myfault_handle): Remove.
	(exception::myfault): New SEH handler for 64 bit.
	* gendef (_sigbe): Set tls_pathbuf counters to 0 explicitely when
	returning to the caller.
	* ntdll.h: Move a comment to a better place.
	(struct _SCOPE_TABLE): Define on 64 bit.
	* thread.cc (verifyable_object_isvalid): Remove gcc 4.7 workaround.
	* tls_pbuf.cc (tls_pbuf): Fix to accommodate new place of pathbufs.
	(tls_pathbuf::destroy): Change type of loop variables to uint32_t.
	* tls_pbuf.h (class tmp_pathbuf): Change type of buffer counters to
	uint32_t.  Accommodate new place of pathbufs.
	* tlsoffsets.h: Regenerate.
	* tlsoffsets64.h: Regenerate.
2014-08-22 09:21:33 +00:00
Corinna Vinschen b1f81c3b71 * net.cc (if_freenameindex): Don't catch a SEGV from free to fail
loudly on double free.
2014-08-21 08:59:28 +00:00
Corinna Vinschen 4ea38ac7ef * net.cc (cygwin_getaddrinfo): Fix value of hint->ai_addrlen on 64 bit.
Explain why.
2014-06-23 12:35:31 +00:00
Corinna Vinschen e0f53cfe6a * net.cc (call_gaa): Fix setting pa_ret pointer in case of an error
from GetAdaptersAddresses (CID 60218).
	(get_ifs): Add missing braces in AF_INET6 case which broke netmask
	computation.  Break out of loop if prefix gets <= 0 (CID 59939).
2014-05-19 15:57:22 +00:00
Corinna Vinschen 67797a9560 * net.cc (cygwin_getsockopt): Rearrange code slightly and handle
TCP_NODELAY just like SO_KEEPALIVE and SO_DONTROUTE.
2014-05-05 15:18:17 +00:00
Corinna Vinschen 8e22028339 * fhandler_socket.cc: On x86_64, define u_long as __ms_u_long before
including the windows headers.  Explain why.
	(get_inet_addr): Convert ANY address to LOOPBACK address.  Explain why.
	(fhandler_socket::evaluate_events): Forcibly set SO_ERROR socket option
	in case a connection attempt failed.  Explain why.
	(fhandler_socket::ioctl): Drop x86_64 re-definition of u_long here.
	* fhandler_procnet.cc: On x86_64, define u_long as __ms_u_long before
	including the windows headers.  Explain why.
	* net.cc: Ditto.
2014-04-24 13:44:23 +00:00
Corinna Vinschen c0efb4de1c * net.cc (cygwin_setsockopt): Ignore IPV6_TCLASS the same way as IP_TOS. 2014-04-16 08:58:20 +00:00
Corinna Vinschen abbe1f5320 * fhandler_disk_file.cc (fhandler_disk_file::fchown): Fix typo in
comment.
	* mount.cc (mount_info::from_fstab): Use tmp_pathbuf rather than
	stack for big local buffer.
	* net.cc (cygwin_gethostname): Call GetComputerNameExA rather than
	GetComputerNameA if gethostname failed.
	* shared.cc (user_info::initialize): Fix formatting.
	* include/sys/file.h: Define flock and accompanying macros if not
	already defined in sys/_default_fcntl.h.
2014-02-06 20:38:35 +00:00
Corinna Vinschen d2a88d9792 Throughout, drop unnecessary explicit includes of windows header files
included by default.
	* winlean.h: Add long comment to explain why we have to define certain
	symbols.
	(_NORMALIZE_): Define.
	(_WINNLS_): Drop definition and subsequent undef.
	(_WINNETWK_): Ditto.
	(_WINSVC_): Ditto.

2013-11-23  Eric Blake  <eblake@redhat.com>
2013-11-24 12:13:36 +00:00
Corinna Vinschen 0732e52c41 * net.cc (cygwin_getaddrinfo): Fix a comment. Only memset whints if
hints is NULL.  Add a comment and set whints.ai_family explicitely to
	AF_UNSPEC to follow glibc man page closely.  Check flags against whints
	for locality.
2013-11-19 18:07:46 +00:00
Corinna Vinschen 5b56e9b02b * autoload.cc (IdnToAscii): Define.
(IdnToUnicode): Define.
	(FreeAddrInfoW): Define.
	(GetAddrInfoW): Define.
	(GetNameInfoW): Define.
	* net.cc: Drop W. Richard STEVENS libgai implementation.
	(cygwin_freeaddrinfo): Move code from ipv4_freeaddrinfo here.  Move
	definition up in file to avoid forward declaration in ga_duplist.
	(ga_dup): Take addrinfoW as input.  Add parameters to get IDN flags
	and to set error value.  Handle IDN flags and especially AI_CANONIDN.
	Convert input wchar_t ai_canonname string to multibyte for output.
	(ga_duplist): Add parameters to get IDN flags and to set error value
	and propagate to ga_dup.  Call cygwin_freeaddrinfo.
	(gai_errmap): Add comments.  Align error strings to GLibc.  Add
	EAI_IDN_ENCODE entry.
	(get_ipv6_funcs): Remove.
	(load_ipv6_guard): Remove.
	(ipv6_inited): Remove.
	(load_ipv6): Remove.
	(load_ipv6_funcs): Remove.
	(cygwin_getaddrinfo): Drop calling load_ipv6.  Handle AI_IDN* flags.
	Convert input strings to wchar_t and call GetAddrInfoW/FreeAddrInfoW.
	In case hints is NULL, set default ai_flags explicitely to
	AI_V4MAPPED | AI_ADDRCONFIG, as documented for Glibc.  Only add AI_ALL
	if AI_ADDRCONFIG is not given.  Unconditionally add Windows-specific
	AI_DISABLE_IDN_ENCODING to ai_flags to make IDN behaviour compatible
	to Glibc even on Windows 8 and later.
	(cygwin_getnameinfo): Drop calling load_ipv6.  Handle NI_IDN* flags.
	Call GetNameInfoW and convert returned strings from wchar_t to
	multibyte.
	* include/netdb.h: Add comments to describe flags and error values.
	(AI_*): Define all flags using hex values for clearness.
	(AI_IDN): Define.
	(AI_CANONIDN): Define.
	(AI_IDN_ALLOW_UNASSIGNED): Define.
	(AI_IDN_USE_STD3_ASCII_RULES): Define.
	(NI_*): Define all flags using hex values for clearness.
	(NI_IDN): Define.
	(NI_IDN_ALLOW_UNASSIGNED): Define.
	(NI_IDN_USE_STD3_ASCII_RULES): Define.
	(EAI_IDN_ENCODE): Define.
2013-11-19 13:29:37 +00:00
Corinna Vinschen 95ff6fc6da * devices.in (dev_storage): Map /dev/zero and /dev/full to \Device\Null.
* devices.cc: Regenerate.
	* dtable.h (struct dtable): Make fhandler_base friend, rather
	than fhandler_disk_file.
	* fhandler.cc (fhandler_base::open_with_arch): Create unique id.
	(fhandler_base::cleanup): Call del_my_locks.
	(fhandler_base::fcntl): Handle F_GETLK, F_SETLK and F_SETLKW.
	* fhandler.h (fhandler_base::get_dev): Return real device number.
	(fhandler_base::set_unique_id): New inline method.
	(fhandler_disk_file::lock): Drop declaration.
	(fhandler_disk_file::get_dev): New method, return pc.fs_serial_number.
	(fhandler_dev_zero::open): Drop declaration.
	* fhandler_disk_file.cc (fhandler_disk_file::close): Move
	del_my_locks call to fhandler_base::open_with_arch.
	(fhandler_disk_file::fcntl): Move handling of locking commands to
	fhandler_base::fcntl.
	(fhandler_base::open_fs): Drop call to NtAllocateLocallyUniqueId.
	* fhandler_zero.cc (fhandler_dev_zero::open): Remove so that default
	fhandler_base::open is used to open \Device\Null.
	* flock.cc (fixup_lockf_after_exec): Finding a single fhandler is
	enough here.
	(fhandler_base::lock): Replace fhandler_disk_file::lock.  Refuse to lock
	nohandle devices.  Handle read/write test using POSIX flags.  Explain
	why.  Never fail on SEEK_CUR or SEEK_END, rather assume position 0,
	just as Linux.
	* net.cc (fdsock): Create unique id.
2013-10-24 09:41:17 +00:00
Corinna Vinschen ba763af559 * net.cc (gen_old_if_name): New function to generate short interface
names for old pre-1.7 applications.
	(get_ifs): Call gen_old_if_name for said old applications.
2013-06-13 19:37:14 +00:00
Corinna Vinschen 61522196c7 * Merge in cygwin-64bit-branch. 2013-04-23 09:44:36 +00:00
Christopher Faylor bc837d22f3 Throughout, update copyrights to reflect dates which correspond to main-branch
checkins.  Regularize copyright format.
2013-01-21 04:38:31 +00:00
Corinna Vinschen 5ab123f4aa * fhandler_registry.cc: Drop Mingw.org considerations.
* fhandler_serial.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_tape.cc: Ditto.
	* fhandler_tty.cc: Ditto.
	* net.cc: Ditto.
	* ntdll.h: Ditto.
	* sched.cc: Ditto.
	* sec_helper.cc: Ditto.
2012-11-26 13:28:53 +00:00
Christopher Faylor 0b1545eb3a * net.cc (get_adapters_addresses): Drop FIXME part of comment. 2012-08-21 14:41:57 +00:00
Christopher Faylor 46f5dd5958 whitespace cleanup 2012-08-16 23:34:45 +00:00
Corinna Vinschen acddda4bf9 Add files missing in previous checkin 2012-07-06 13:53:23 +00:00
Christopher Faylor 1809b65e23 * Makefile.in: Add some more optimization flags for cygwait, malloc and path. Explain
why -fomit-frame-pointer doesn't work right for passwd.o and path.o.  Add
-static to link command line for cygwin0.dll.
* fhandler_disk_file.cc (fhandler_disk_file::facl): Reorganize slightly to
silence compiler warning when compiling with -fstack-check.
* net.cc (inet_ntop6): Initialize structure members to silence compiler warning
when compiling with -fstack-check.
* pseudo-reloc.cc (_pei386_runtime_relocator): Make this a C function.  Detect
NULL u.
* winsup.h (_pei386_runtime_relocator): Declare this as extern "C".
* lib/_cygwin_crt0_common.cc (_pei386_runtime_relocator): Call with NULL
argument.
* signal.cc (sigaction_worker): Eliminate last argument.  Let callers report
their own strace info.  Regparmize.
(sigaction): Reflect sigaction_worker changes.
(siginterrupt): Ditto.
* exceptions.cc: Update copyright.
2012-07-02 02:24:25 +00:00
Corinna Vinschen 6cb222edce * net.cc (cygwin_recvfrom): Don't shortcircuit if len == 0. Add comment
to explain why.
	(cygwin_recv): Ditto.
	(cygwin_recvmsg): Ditto.
2012-05-21 14:56:02 +00:00
Corinna Vinschen 00a76ece10 * net.cc (get_adapters_addresses): Only create thread on affected
systems.  Change comment acordingly.
	* wincap.h (wincaps::has_gaa_largeaddress_bug): New element.
	* wincap.cc: Implement above element throughout.
	(wincap_8): New globale wincaps to support Windows 8.
	(wincapc::init): Take Windows 8 into account.  Set new
	has_gaa_largeaddress_bug member to false on 32 bit systems.
2012-05-03 08:34:44 +00:00
Corinna Vinschen 3e25449aa5 * net.cc (call_gaa): New thread function to call GetAdaptersAddresses.
(get_adapters_addresses): Call call_gaa.  If necessary, call it as
	child thread.  Explain why that's necessary.
2012-03-08 16:02:44 +00:00
Corinna Vinschen 07a6b9dd22 * cygtls.cc (dll_cmp): New comparison function for bsearch.
(well_known_dlls): New array containing well-known DLLs.
	(_cygtls::call2): Add code for BLODA detection.
	* net.cc (fdsock): Ditto.
2012-02-27 11:55:27 +00:00
Christopher Faylor 1b23b30b29 Clean up whitespace. 2011-12-17 23:39:47 +00:00
Christopher Faylor b9aa81491f Throughout, remove extra space after function name from debugging output.
Throughout, change syscalls to report on return values using new %R format
option.
* smallprint.cc (__small_vsprintf): Add parsing for %R to report on return
values and possible errno from syscalls.
* errno.cc (errmap): Add PRIVILEGE_NOT_HELD.
* fhandler_tty.cc (fhandler_pty_master::setup): When creating a thread use
shorter name to reduce debuggging output.
* select.cc (start_thread_pipe): Ditto.
(start_thread_serial): Ditto.
(start_thread_socket): Ditto.
(start_thread_mailslot): Ditto.
* sigproc.cc (talktome): Ditto.
2011-12-03 21:43:27 +00:00
Corinna Vinschen a06c3bf336 * net.cc (socketpair): Bind first socket to loopback only as well. 2011-10-05 06:18:16 +00:00
Corinna Vinschen 35e8bb2b7e * net.cc (cygwin_getsockopt): Drop erroneous double conversion of error
code returned by SOL_SOCKET/SO_ERROR.  Fix error handling.
2011-09-02 09:52:08 +00:00
Pierre Humblet 927761a425 2011-08-16 Pierre Humblet <Pierre.Humblet@ieee.org>
* net.cc (gethostby_helper): Remove DEBUGGING code from and
        streamline the second pass.
2011-08-16 23:32:18 +00:00
Corinna Vinschen a5408d982c * net.cc (socketpair): Release sb0 if there's no space left for sb1. 2011-08-04 08:22:11 +00:00
Corinna Vinschen c487f2fef5 Throughout change "WinSock" to "Winsock" in comments.
* fhandler_socket.cc (fhandler_socket::sendmsg): Add missing call to
	get_inet_addr to convert AF_LOCAL to AF_INET sockets.
	* net.cc (cygwin_socket): Workaround UDP Winsock problem.  Add comment
	to explain why.
	* select.cc: Include winsock2.h rather than winsock.h.
2011-07-29 12:47:54 +00:00
Christopher Faylor b86f999af1 whitespace elimination 2011-06-06 05:02:13 +00:00
Corinna Vinschen c60d0bbe68 * net.cc (fdsock): Drop setting uninterruptible_io to true. 2011-05-01 08:14:40 +00:00
Corinna Vinschen cbc26145e8 * net.cc (get_ipv4fromreg_ipcnt): Rearrange to fetch all registry
values at once using RtlQueryRegistryValues.
	(get_ipv4fromreg): Ditto.
2011-04-19 08:59:30 +00:00
Corinna Vinschen 6ce541281e Drop NT4 support.
* autoload.cc (DnsQuery_A): Fatal if not available.
	(DnsRecordListFree): Ditto.
	(DsGetDcNameW): Ditto.
	(NetGetAnyDCName): Remove.
	(NetGetDCName): Remove.
	(EnumProcessModules): Fatal if not available.
	(GetModuleFileNameExW): Ditto.
	(GetModuleInformation): Ditto.
	(GetProcessMemoryInfo): Ditto.
	(QueryWorkingSet): Ditto.
	(LsaRegisterLogonProcess): Ditto.
	* fenv.cc (_feinitialise): Drop supports_sse condition.
	* fhandler_disk_file.cc (path_conv::isgood_inode): Fix comment.
	(fhandler_base::fstat_by_name): Drop has_fileid_dirinfo condition.
	(fhandler_disk_file::opendir): Ditto.
	* fhandler_netdrive.cc (fhandler_netdrive::readdir): Fix comment.
	* fhandler_proc.cc (format_proc_partitions): Drop NT4-only code.
	* fhandler_process.cc (get_process_state): Ditto.
	* kernel32.cc (GetWindowsDirectoryW): Remove.
	(GetWindowsDirectoryA): Remove.
	* miscfuncs.cc (nice_to_winprio): Drop NT4-only code.
	* mount.cc (fs_info::update): Fix comments.
	* net.cc (get_2k_ifs): Drop NT4-only code.
	* sec_auth.cc (get_logon_server): Ditto.
	(lsaauth): Drop NT4-specific error handling.
	* security.cc (alloc_sd): Set SE_DACL_PROTECTED unconditionally.
	* select.cc (select_stuff::wait): Always use MWMO_INPUTAVAILABLE.
	(peek_windows): Drop NT4-only condition in call to PeekMessage.
	* syscalls.cc (gethostid): Remove NT4-only workaround.
	* wincap.cc: Througout, drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse from
	wincaps.
	(wincap_nt4sp4): Remove.
	(wincap_minimal): Set to wincap_2000.
	(wincapc::init): Rely on availability of OSVERSIONINFOEX structure.
	Treat error from GetVersionEx as fatal.  Treat NT4 as fatal.
	* wincap.h (struct wincaps): Drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse flags
	and methods.
	* winlean.h (GetWindowsDirectoryW) Define as GetSystemWindowsDirectoryW.
	(GetWindowsDirectoryA): Define as GetSystemWindowsDirectoryA.
2011-04-04 12:23:36 +00:00
Corinna Vinschen a011f95216 * net.cc (SIO_BASE_HANDLE): Define.
(fdsock): If we got an LSP handle, try to create a copy of the base
	handle instead.  Change comment to explain.
2011-03-29 10:25:20 +00:00
Corinna Vinschen 291698e54a * fhandler_socket (fhandler_socket::readv): Call recv_internal directly,
rather than recvmsg.
	(fhandler_socket::writev): Call send_internal directly, rather than
	sendmsg.
	* net.cc (cygwin_recv): Call fhandler_socket::recvfrom directly, rather
	than cygwin_recvfrom.
	(cygwin_send): Call fhandler_socket::sendto directly, rather than
	cygwin_sendto.
2011-02-21 17:01:05 +00:00
Corinna Vinschen 3591470260 * Throughout fix copyright dates. 2011-02-15 15:56:03 +00:00
Corinna Vinschen a01454811a * fhandler_socket.cc (address_in_use): Disable. Add comment.
(fhandler_socket::bind): Change comment to explain setting the
	SO_EXCLUSIVEADDRUSE socket option.  Remove code which checks for
	address in use.
	* net.cc (cygwin_setsockopt): Never set SO_REUSEADDR option.  Improve
	comment to compensate for the deleted comment in fhandler_socket::bind.
	* wincap.cc: Throughout, drop has_enhanced_socket_security from wincaps.
	* wincap.h (struct wincaps): Drop has_enhanced_socket_security flags
	and method.
2011-01-30 21:52:12 +00:00