Commit Graph

291 Commits

Author SHA1 Message Date
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
Corinna Vinschen bdcc0b84ed * net.cc (get_xp_ifs): Fix counting of idx to return stable interface
alias names for interfaces with multiple IPv4 addresses.
2010-12-02 11:39:15 +00:00
Corinna Vinschen 943c59e3e8 * autoload.cc (SendARP): Remove.
* net.cc (get_flags): Set IFF_NOARP flag for PPP and SLIP devices.
	(get_xp_ifs): Unify IFF_BROADCAST setting.  Drop calling SendARP to
	set IFF_NOARP flag.
2010-11-23 15:37:41 +00:00
Corinna Vinschen 9dda712bd9 * net.cc (get_ipv4fromreg_ipcnt): Fix debug output. Only create debug
output if error is not ERROR_FILE_NOT_FOUND.
	(get_ipv4fromreg): Ditto.
2010-11-22 13:03:00 +00:00
Corinna Vinschen 9d86e31826 * net.cc (getdomainname): Drop special case for NT4. 2010-09-28 16:18:57 +00:00
Corinna Vinschen 6fe59500e5 * fhandler_socket.cc (fhandler_socket::bind): Drop has_exclusiveaddruse
condition.  Fix comment about availability.  Move remaining comment to
	the right spot.  Drop has_ip_helper_lib condition.
	* net.cc (cygwin_setsockopt): Drop has_disabled_user_tos_setting
	condition.  Fix comment.
	(get_2k_ifs): Fix comment.
	(get_nt_ifs): Remove.
	(getifaddrs): Drop call to get_nt_ifs.
	(get_ifconf): Ditto.
	* wincap.cc: Throughout, drop has_ip_helper_lib,
	has_disabled_user_tos_setting, and has_exclusiveaddruse settings from
	wincaps.
	(wincap_unknown): Remove.
	(wincap_nt4): Remove.
	(wincap_minimal): New macro, set to wincap_nt4sp4 for now.
	(wincapc::init): Drop test for pre-SP4 NT4.  Just imply at least NT SP4.
	Replace references to wincap_unknown with references to wincap_minimal.
	* wincap.h (struct wincaps): Drop has_ip_helper_lib,
	has_disabled_user_tos_setting, and has_exclusiveaddruse flags and
	methods.
2010-09-25 20:06:21 +00:00
Corinna Vinschen 893a8b78fc * autoload.cc (LoadDLLprime): Change dllname storage to string16.
(struct dll_info): Convert name to WCHAR.
	(std_dll_init): Load DLLs with full path to windows system directory.
	Add hint to Microsoft security advisory.
	* dcrt0.cc (init_windows_system_directory): New function.
	(dll_crt0_0): Call init_windows_system_directory first.
	* exceptions.cc (windows_system_directory): Move to globals.cc.
	(windows_system_directory_length): Ditto.
	(events_init): Drop code fetching windows_system_directory.
	* globals.cc (windows_system_directory): New global variable.
	(windows_system_directory_length): Ditto.
	* net.cc (load_ipv6_funcs): Use windows_system_directory rather than
	GetSystemDirectoryW.
	* netdb.cc (open_system_file): Ditto.  Simplify debug output.
2010-08-28 08:51:21 +00:00
Corinna Vinschen 7ba0a42f55 * net.cc (cygwin_getsockopt): Make sure SO_PEERCRED is only handled
in level SOL_SOCKET.  Workaround a return value regression in Vista
	and later.  Add comment to explain.
2010-07-02 14:36:43 +00:00
Corinna Vinschen 83dddecb34 * net.cc: Remove calls to sig_dispatch_pending throughout.
* libc/rexec.cc: Ditto.
2010-03-30 09:25:46 +00:00
Christopher Faylor 084ea5108e Throughout change all calls of low_priority_sleep (0) to yield ().
* miscfuncs.cc (yield): Rename from low_priority_sleep.  Remove all of the
logic which called Sleep() and just use SwitchToThread.
* miscfuncs.h (yield): Rename from low_priority_sleep.
(SLEEP_0_STAY_LOW): Delete unused define.
* shared.cc (memory_init): Move heap_init() call directly after shared memory
initialization to more closely mimic long-standing program flow.
* tty.cc (tty_list::terminate): Replace call to low_priority_sleep with Sleep.
2010-03-12 23:13:48 +00:00
Corinna Vinschen 9d5bf1b13c * fhandler_socket.cc (fhandler_socket::accept4): Set nonblocking
flag exactly according to flags, as on Linux.
	* net.cc (cygwin_accept): Maintain BSD semantics here.
2010-01-15 21:34:27 +00:00
Corinna Vinschen 0d6531551b * cygwin.din (accept4): Export.
* fhandler.h (fhandler_socket::accept4): Rename from accept.  Take
	additional flag parameter.
	* fhandler_socket.cc (fhandler_socket::accept4): Ditto.  Handle
	SOCK_NONBLOCK and SOCK_CLOEXEC flags.
	* net.cc (cygwin_socket): Handle SOCK_NONBLOCK and SOCK_CLOEXEC flags
	in type.  Check for invalid flag values.
	(socketpair): Ditto.
	(cygwin_accept): Accommodate renaming of fhandler_socket::accept
	function to accept4.
	(accept4): New function.
	* posix.sgml: Mention accept4 as GNU extensions.
	* include/cygwin/socket.h (SOCK_NONBLOCK): Define.
	(SOCK_CLOEXEC): Define.
	(_SOCK_FLAG_MASK): Define when building Cygwin.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
	* include/sys/socket.h (accept4): Declare.
2010-01-15 15:40:05 +00:00
Corinna Vinschen 2f5d8f7bd0 * net.cc (cygwin_setsockopt): Only skip calling setsockopt(SO_REUSEADDR)
on stream sockets under systems supporting enhanced socket security.
2009-12-15 17:08:20 +00:00
Corinna Vinschen 27bbefdefd * fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Add
socket handle value to debug output.
	(fhandler_socket::fixup_after_fork): Ditto.  Make new socket handle
	OVERLAPPED, just as if it has been created with socket().
	* net.cc (fdsock): Close duplicated socket and explain why.  Disable
	the entire WSADuplicateSocket test for now and explain why.
2009-11-23 14:50:14 +00:00
Corinna Vinschen b14f53a8ec Reintegrate socket duplication via WSADuplicateSocket/WSASocket.
* autoload.cc (WSADuplicateSocketW): Define.
	(WSASocketW): Define.
	* dtable.cc (dtable::release): Call dec_need_fixup_before if necessary.
	(dtable::fixup_before_fork): New function.
	(dtable::fixup_before_exec): New function.
	* dtable.h (class dtable): Add member cnt_need_fixup_before.  Add
	declarations for above new functions.
	(dtable::dec_need_fixup_before): New inline method.
	(dtable::inc_need_fixup_before): New inline method.
	(dtable::need_fixup_before): New inline method.
	* fhandler.h (fhandler_base::fixup_before_fork_exec): New virtual
	method.
	(fhandler_base::need_fixup_before): New virtual method.
	(class fhandler_socket): Add member prot_info_ptr.
	(fhandler_socket::init_fixup_before): Declare.
	(fhandler_socket::need_fixup_before): New inline method.
	(fhandler_socket::fixup_before_fork_exec): Declare.
	(fhandler_socket::fixup_after_exec): Declare.
	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
	prot_info_ptr to NULL.
	(fhandler_socket::~fhandler_socket): Free prot_info_ptr conditionally.
	(fhandler_socket::init_fixup_before): New method.
	(fhandler_socket::fixup_before_fork_exec): Ditto.
	(fhandler_socket::fixup_after_fork): Use WSASocketW to duplicate
	socket if necessary.
	(fhandler_socket::fixup_after_exec): New method.
	(fhandler_socket::dup): Use fixup_before_fork_exec/fixup_after_fork
	to duplicate socket if necessary.
	* fork.cc (frok::parent): Start child suspended if some fhandler
	needs fixup before fork.  If so, call dtable::fixup_before_fork after
	CreateProcess and resume child.
	* net.cc (fdsock): Try to find out if socket needs fixup before and
	initialize socket accordingly.  Add HUGE comment to explain what happens
	and why.
	* spawn.cc (spawn_guts): Start child suspended if some fhandler needs
	fixup before exec.  If so, call dtable::fixup_before_exec after
	CreateProcess.
2009-11-17 10:43:01 +00:00
Corinna Vinschen ab36239578 * net.cc (fdsock): Fill _rmem and _wmem with valid values returned
from getsockopt if setsockopt with desired values failed.
2009-11-13 12:35:53 +00:00
Corinna Vinschen c1999c4b0c * (fhandler_socket::getsockname): Fix length returned for unbound
AF_LOCAL sockets.
	(fhandler_socket::getpeername): Ditto.
	* net.cc (socketpair): Don't set sun_path and peer_sun_path to
	make sure getsockname and getpeername return the correct values
	for AF_LOCAL sockets.
2009-08-14 06:58:44 +00:00
Corinna Vinschen d3d4aa96aa * fhandler.h (class fhandler_socket): Add peer_sun_path member.
(fhandler_socket::set_peer_sun_path): New method.
	(fhandler_socket::get_peer_sun_path): New method.
	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
	peer_sun_path to NULL.
	(fhandler_socket::~fhandler_socket): Free peer_sun_path if necessary.
	(fhandler_socket::dup): Duplicate peer_sun_path.
	(fhandler_socket::accept): Ditto.  Return fake unbound peer content
	and len in case of AF_LOCAL sockets.
	(fhandler_socket::getsockname): Always use local sockaddr_storage to
	store socket address and copy over to incoming address.  Handle every
	namelen correctly per POSIX.
	(fhandler_socket::getpeername): Ditto.  Add code path to return
	correct value for AF_LOCAL sockets.
	(fhandler_socket::set_peer_sun_path): New method.
	* net.cc (socketpair): Set peer_sun_path to empty string, just like
	sun_path.
2009-08-13 10:26:42 +00:00
Corinna Vinschen 19753e1dbf * net.cc (cygwin_getnameinfo): Force setting NI_NUMERICSERV only
on Windows 2003 and earlier, only if the port number doesn't
	resolve to a well-known service.  Change comment accordingly.
2009-08-06 14:55:49 +00:00
Christopher Faylor 631681619e * fhandler_socket.cc (fhandler_socket::send_internal): Just use wmem size if
the length exceeds it.
* net.cc (fdsock): Use 65535 as window size, just like the comment says or we
run into problems with DuplicateHandle.
* path.cc (patch_conv::check): Use set_path to set invalid filename.
* path.h (path_conv::path_conv): Ditto.
2009-08-04 22:35:35 +00:00
Corinna Vinschen d3920e10ad * net.cc (get_xp_ifs): Fix typo in comment. 2009-07-01 15:45:23 +00:00
Corinna Vinschen 975a630109 * fhandler.h (class fhandler_socket): Add class members and methods
to store and retrieve the SO_RCVBUF and SO_SNDBUF sizes.
	* fhandler_socket.cc (fhandler_socket::dup): Duplicate new members.
	(fhandler_socket::send_internal): Check for SO_SNDBUF size and
	restrict send to 1 byte less per KB 823764.  Leave loop immediately
	if WSASendMsg has been used.
	* net.cc (fdsock): Change comment again.  Set buffer sizes to 65536.
	Store values in fhandler_socket.
	(cygwin_setsockopt): Store SO_RCVBUF and SO_SNDBUF sizes in
	fhandler_socket.
	(cygwin_sendto): Drop call to sig_dispatch_pending.
	(cygwin_recvfrom): Ditto.
	(cygwin_recvmsg): Ditto.
	(cygwin_sendmsg): Ditto.
2009-07-01 09:16:17 +00:00
Corinna Vinschen 4a83803381 * net.cc (fdsock): Set default socket buffer sizes to 65520. Change
comment accordingly.
	* fhandler_socket.cc (fhandler_socket::send_internal): Set maximum
	send size to 65520 as well.
2009-06-30 10:36:40 +00:00
Corinna Vinschen ea3923078a * net.cc (get_flags): New static function to generate interface flags
value.
	(get_ipv4fromreg_ipcnt): New static function to fetch number of
	configured IPv4 addresses for a given NIC from registry.
	(get_ipv4fromreg): New static function to fetch configured IPv4
	addresses for a given NIC from registry.
	(get_friendlyname): New static function to generate friendly name.
	(get_hwaddr): New static function to copy hardware address.
	(get_xp_ifs): Restructure slightly.  Add code to generate IPv4 entries
	entries for interfaces which are disconnected.
2009-06-15 20:04:15 +00:00
Christopher Faylor 9971adf5aa * path.cc (cwdstuff::set): Avoid removing a nonexistent trailing slash. 2009-05-28 05:10:03 +00:00
Christopher Faylor 0a20e5a02b * net.cc (gethostby_helper): Use correct signedness. 2009-05-20 14:56:46 +00:00
Christopher Faylor 66eaf280ac * net.cc: Undefine NOERROR and DELETE to avoid compiler warnings.
* shared_info.h (CURR_SHARED_MAGIC): Update.
* spawn.cc (spawn_guts): Avoid copying one line command line argument if it
hasn't been filled out.
2009-04-05 04:23:50 +00:00
Corinna Vinschen 6f0c3cc88a * net.cc (inet_ntop6): Convert to lowercase hex digits on the fly. 2009-03-27 15:20:27 +00:00
Corinna Vinschen e5d5e036fd * net.cc (cygwin_getaddrinfo): Check hints for non-NULL before
checking its content.
2009-03-27 15:10:18 +00:00
Corinna Vinschen 2e0b52c9d8 * gethostby_helper: Fix typos in DEBUGGING case. 2009-03-12 15:54:49 +00:00
Corinna Vinschen 6f57cb4a52 * cygwin.din: Export gethostbyname2.
* net.cc: define _CYGWIN_IN_H and include resolv.h.
	(realloc_ent): New function.
	(dup_ent): Call realloc_ent.
	(memcpy4to6): New function.
	(dn_length1): New function.
	(gethostby_helper): New function.
	(gethostbyname2): New function.
	* posix.sgml: Add gethostbyname2.
	* include/cygwin/version.h: Bump API minor number.
	* libc/minires.c (get_options): Look for "inet6" and apply bounds
	to "retry" and "retrans".
	(res_ninit): Set the default options at the beginning.
	(dn_expand): Fix "off by one".
2009-03-06 16:31:26 +00:00
Corinna Vinschen 2895b8b502 * net.cc: Include asm/byteorder.h.
(htonl): Move to end of file.  Add comment to explain why.  Align
	definition to POSIX.  Use related macro from asm/byteorder.h.
	(ntohl): Ditto.
	(htons): Ditto.
	(ntohs): Ditto.
	* include/asm/byteorder.h: Revert previous patch.
2009-03-03 11:44:18 +00:00
Christopher Faylor f2c11dadcf * cygtls.h (unionent): Move from net.cc.
(unionent::struct_type): Move enum here.
(_local_storage::hostent_buf): Define as unionent.
(_local_storage::protoent_buf): Ditto.
(_local_storage::servent_buf): Ditto.
* net.cc (unionent): Move to cygtls.h.
(struct_type): Ditto.
(dup_ent): Define one function per {host,proto,serv}ent type.
(cygwin_getprotobyname): Simplify dup_ent call.  Removed now-unneeded return
type coercion.
(cygwin_getprotobynumber): Ditto.
(cygwin_getservbyname): Ditto.
(cygwin_getservbyport): Ditto.
(cygwin_gethostbyname): Ditto.
(cygwin_gethostbyaddr): Ditto.  tlsoffsets.h: Regenerate.
2008-09-16 02:04:27 +00:00
Christopher Faylor 81ba2b77de * net.cc (in6addr_any, in6addr_loopback): Add appropriate number of braces
around initializer.
(dup_ent): Try harder to coerce the first argument to deal with more stringent
compiler.
(get_2k_ifs): Remove extraneous typedef.
(get_2k_ifs): Reorganize expression to avoid a compiler warning.
(get_xp_ifs): Ditto.
(get_nt_ifs): Ditto.
2008-09-11 04:58:45 +00:00
Corinna Vinschen 88d1b6df94 * autoload.cc (GetExtendedTcpTable): Define.
* fhandler_socket.cc (address_in_use): Take const struct sockaddr
	pointer as argument.  Implement additional AF_INET6 table check.
	(fhandler_socket::bind): Drop AF_INET test before calling
	address_in_use.
	* net.cc (ipv4_getnameinfo): Return EAI_FAMILY instead of 1 if
	called with unsupported af_family.
2008-07-14 15:56:11 +00:00
Corinna Vinschen 23672785ee * fhandler_socket.cc (fhandler_socket::bind): Don't run explicit
local socket test in SO_REUSEADDR case on systems supporting
	enhanced socket security.  Explain why.  Only call address_in_use
	for AF_INET sockets.
	* net.cc (cygwin_setsockopt): Don't call setsockopt to set SO_REUSEADDR
	on systems supporting enhanced socket security.  Add comment.
	* wincap.h (wincaps::has_enhanced_socket_security): New element.
	* wincap.cc: Implement above element throughout.
2008-07-08 20:12:46 +00:00
Corinna Vinschen b8fbf5d4c4 * net.cc (ipv6_inited): Make NO_COPY. 2008-07-08 12:37:44 +00:00
Corinna Vinschen 7b3e3bfd49 * net.cc (cygwin_bindresvport_sa): Fix usage of last_used_bindresvport. 2008-06-24 13:13:44 +00:00