diff options
author | cvs2svn <> | 2010-12-18 01:10:07 +0300 |
---|---|---|
committer | cvs2svn <> | 2010-12-18 01:10:07 +0300 |
commit | 27ab486f12c627f6780cb59815f0a36fe69d1497 (patch) | |
tree | 1d25fbce04b6a00d7b7d8f8fd64fa4209b57f42f /winsup/cygwin/fhandler_socket.cc | |
parent | afeb58b9ae7d03780fd695beeb64203994252c71 (diff) |
This commit was manufactured by cvs2svn to create tag 'newlib-1_19_0'.newlib-1_19_0
Sprout from master 2010-12-17 22:10:05 UTC Jeff Johnston <jjohnstn@redhat.com> ''
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
README
config/mt-d30v
config/mt-netware
config/mt-ospace
etc/add-log.el
etc/add-log.vi
etc/configbuild.ein
etc/configbuild.fig
etc/configbuild.jin
etc/configbuild.tin
etc/configdev.ein
etc/configdev.fig
etc/configdev.jin
etc/configdev.tin
makefile.vms
Delete:
djunpack.bat
include/COPYING
include/COPYING3
include/ChangeLog
include/ChangeLog-9103
include/MAINTAINERS
include/alloca-conf.h
include/ansidecl.h
include/aout/ChangeLog
include/aout/adobe.h
include/aout/aout64.h
include/aout/ar.h
include/aout/dynix3.h
include/aout/encap.h
include/aout/host.h
include/aout/hp.h
include/aout/hp300hpux.h
include/aout/hppa.h
include/aout/ranlib.h
include/aout/reloc.h
include/aout/stab.def
include/aout/stab_gnu.h
include/aout/sun4.h
include/bfdlink.h
include/binary-io.h
include/bout.h
include/cgen/ChangeLog
include/cgen/basic-modes.h
include/cgen/basic-ops.h
include/cgen/bitset.h
include/coff/ChangeLog
include/coff/ChangeLog-9103
include/coff/alpha.h
include/coff/apollo.h
include/coff/arm.h
include/coff/aux-coff.h
include/coff/ecoff.h
include/coff/external.h
include/coff/go32exe.h
include/coff/h8300.h
include/coff/h8500.h
include/coff/i386.h
include/coff/i860.h
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include/coff/ia64.h
include/coff/internal.h
include/coff/m68k.h
include/coff/m88k.h
include/coff/mcore.h
include/coff/mips.h
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include/coff/or32.h
include/coff/pe.h
include/coff/powerpc.h
include/coff/rs6000.h
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include/coff/sh.h
include/coff/sparc.h
include/coff/sym.h
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include/coff/ti.h
include/coff/tic30.h
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include/coff/w65.h
include/coff/we32k.h
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include/demangle.h
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include/dwarf2.h
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include/elf/ChangeLog
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include/elf/alpha.h
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include/elf/arm.h
include/elf/avr.h
include/elf/bfin.h
include/elf/common.h
include/elf/cr16.h
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include/elf/dlx.h
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include/elf/internal.h
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include/elf/iq2000.h
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include/elf/m68hc11.h
include/elf/m68k.h
include/elf/mcore.h
include/elf/mep.h
include/elf/microblaze.h
include/elf/mips.h
include/elf/mmix.h
include/elf/mn10200.h
include/elf/mn10300.h
include/elf/moxie.h
include/elf/msp430.h
include/elf/mt.h
include/elf/openrisc.h
include/elf/or32.h
include/elf/pj.h
include/elf/ppc.h
include/elf/ppc64.h
include/elf/reloc-macros.h
include/elf/rx.h
include/elf/s390.h
include/elf/score.h
include/elf/sh.h
include/elf/sparc.h
include/elf/spu.h
include/elf/tic6x-attrs.h
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include/elf/v850.h
include/elf/vax.h
include/elf/vxworks.h
include/elf/x86-64.h
include/elf/xc16x.h
include/elf/xstormy16.h
include/elf/xtensa.h
include/fibheap.h
include/filenames.h
include/floatformat.h
include/fnmatch.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdb/ChangeLog
include/gdb/callback.h
include/gdb/fileio.h
include/gdb/remote-sim.h
include/gdb/signals.def
include/gdb/signals.h
include/gdb/sim-arm.h
include/gdb/sim-cr16.h
include/gdb/sim-d10v.h
include/gdb/sim-frv.h
include/gdb/sim-h8300.h
include/gdb/sim-lm32.h
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include/gdbm.h
include/getopt.h
include/hashtab.h
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include/ieee.h
include/libiberty.h
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include/md5.h
include/nlm/ChangeLog
include/nlm/alpha-ext.h
include/nlm/common.h
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include/nlm/ppc-ext.h
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include/oasys.h
include/objalloc.h
include/obstack.h
include/opcode/ChangeLog
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include/opcode/alpha.h
include/opcode/arc.h
include/opcode/arm.h
include/opcode/avr.h
include/opcode/bfin.h
include/opcode/cgen.h
include/opcode/convex.h
include/opcode/cr16.h
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include/opcode/d30v.h
include/opcode/dlx.h
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include/opcode/np1.h
include/opcode/ns32k.h
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include/opcode/pdp11.h
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include/opcode/pn.h
include/opcode/ppc.h
include/opcode/pyr.h
include/opcode/rx.h
include/opcode/s390.h
include/opcode/score-datadep.h
include/opcode/score-inst.h
include/opcode/sparc.h
include/opcode/spu-insns.h
include/opcode/spu.h
include/opcode/tahoe.h
include/opcode/tic30.h
include/opcode/tic4x.h
include/opcode/tic54x.h
include/opcode/tic6x-control-registers.h
include/opcode/tic6x-insn-formats.h
include/opcode/tic6x-opcode-table.h
include/opcode/tic6x.h
include/opcode/tic80.h
include/opcode/v850.h
include/opcode/vax.h
include/os9k.h
include/partition.h
include/plugin-api.h
include/progress.h
include/safe-ctype.h
include/sha1.h
include/simple-object.h
include/som/ChangeLog
include/som/aout.h
include/som/clock.h
include/som/internal.h
include/som/lst.h
include/som/reloc.h
include/sort.h
include/splay-tree.h
include/symcat.h
include/vms/ChangeLog
include/vms/dcx.h
include/vms/dmt.h
include/vms/dsc.h
include/vms/dst.h
include/vms/eeom.h
include/vms/egps.h
include/vms/egsd.h
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include/vms/eidc.h
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include/vms/emh.h
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include/vms/esdf.h
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include/vms/lbr.h
include/vms/prt.h
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include/xregex.h
include/xregex2.h
include/xtensa-config.h
include/xtensa-isa-internal.h
include/xtensa-isa.h
winsup/COPYING
winsup/CYGWIN_LICENSE
winsup/ChangeLog
winsup/Makefile.common
winsup/Makefile.in
winsup/README
winsup/acinclude.m4
winsup/aclocal.m4
winsup/configure
winsup/configure.in
winsup/cygserver/ChangeLog
winsup/cygserver/Makefile.in
winsup/cygserver/README
winsup/cygserver/aclocal.m4
winsup/cygserver/bsd_helper.cc
winsup/cygserver/bsd_helper.h
winsup/cygserver/bsd_log.cc
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winsup/cygserver/bsd_mutex.cc
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winsup/cygserver/client.cc
winsup/cygserver/configure
winsup/cygserver/configure.in
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winsup/cygserver/cygserver.cc
winsup/cygserver/cygserver.conf
winsup/cygserver/msg.cc
winsup/cygserver/process.cc
winsup/cygserver/process.h
winsup/cygserver/sem.cc
winsup/cygserver/setpwd.cc
winsup/cygserver/shm.cc
winsup/cygserver/sysv_msg.cc
winsup/cygserver/sysv_sem.cc
winsup/cygserver/sysv_shm.cc
winsup/cygserver/threaded_queue.cc
winsup/cygserver/threaded_queue.h
winsup/cygserver/transport.cc
winsup/cygserver/transport.h
winsup/cygserver/transport_pipes.cc
winsup/cygserver/transport_pipes.h
winsup/cygserver/woutsup.h
winsup/cygwin/ChangeLog
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winsup/cygwin/ROADMAP
winsup/cygwin/acconfig.h
winsup/cygwin/aclocal.m4
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winsup/cygwin/assert.cc
winsup/cygwin/autoload.cc
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winsup/cygwin/child_info.h
winsup/cygwin/config.h.in
winsup/cygwin/config/i386/profile.h
winsup/cygwin/configure
winsup/cygwin/configure.in
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winsup/cygwin/crt0.c
winsup/cygwin/ctype.cc
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winsup/cygwin/cygprops.h
winsup/cygwin/cygserver.h
winsup/cygwin/cygserver_ipc.h
winsup/cygwin/cygserver_msg.h
winsup/cygwin/cygserver_sem.h
winsup/cygwin/cygserver_setpwd.h
winsup/cygwin/cygserver_shm.h
winsup/cygwin/cygthread.cc
winsup/cygwin/cygthread.h
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winsup/cygwin/debug.cc
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winsup/cygwin/devices.cc
winsup/cygwin/devices.h
winsup/cygwin/devices.in
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winsup/cygwin/errno.cc
winsup/cygwin/exception.h
winsup/cygwin/exceptions.cc
winsup/cygwin/exec.cc
winsup/cygwin/external.cc
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winsup/cygwin/fcntl.cc
winsup/cygwin/fenv.cc
winsup/cygwin/fhandler.cc
winsup/cygwin/fhandler.h
winsup/cygwin/fhandler_clipboard.cc
winsup/cygwin/fhandler_console.cc
winsup/cygwin/fhandler_disk_file.cc
winsup/cygwin/fhandler_dsp.cc
winsup/cygwin/fhandler_fifo.cc
winsup/cygwin/fhandler_floppy.cc
winsup/cygwin/fhandler_mailslot.cc
winsup/cygwin/fhandler_mem.cc
winsup/cygwin/fhandler_netdrive.cc
winsup/cygwin/fhandler_nodevice.cc
winsup/cygwin/fhandler_proc.cc
winsup/cygwin/fhandler_process.cc
winsup/cygwin/fhandler_procnet.cc
winsup/cygwin/fhandler_procsys.cc
winsup/cygwin/fhandler_random.cc
winsup/cygwin/fhandler_raw.cc
winsup/cygwin/fhandler_registry.cc
winsup/cygwin/fhandler_serial.cc
winsup/cygwin/fhandler_socket.cc
winsup/cygwin/fhandler_tape.cc
winsup/cygwin/fhandler_termios.cc
winsup/cygwin/fhandler_tty.cc
winsup/cygwin/fhandler_virtual.cc
winsup/cygwin/fhandler_virtual.h
winsup/cygwin/fhandler_windows.cc
winsup/cygwin/fhandler_zero.cc
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winsup/cygwin/fork.cc
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winsup/cygwin/heap.h
winsup/cygwin/hires.h
winsup/cygwin/hookapi.cc
winsup/cygwin/how-autoload-works.txt
winsup/cygwin/how-cygheap-works.txt
winsup/cygwin/how-cygtls-works.txt
winsup/cygwin/how-fhandlers-work.txt
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winsup/cygwin/include/a.out.h
winsup/cygwin/include/arpa/ftp.h
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winsup/cygwin/include/arpa/telnet.h
winsup/cygwin/include/asm/byteorder.h
winsup/cygwin/include/asm/socket.h
winsup/cygwin/include/asm/types.h
winsup/cygwin/include/attr/xattr.h
winsup/cygwin/include/bits/wordsize.h
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winsup/cygwin/include/cygwin/_types.h
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winsup/cygwin/include/cygwin/cygwin_dll.h
winsup/cygwin/include/cygwin/fs.h
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winsup/w32api/include/mswsock.h
winsup/w32api/include/nb30.h
winsup/w32api/include/nddeapi.h
winsup/w32api/include/nspapi.h
winsup/w32api/include/ntdef.h
winsup/w32api/include/ntdll.h
winsup/w32api/include/ntdsapi.h
winsup/w32api/include/ntdsbcli.h
winsup/w32api/include/ntldap.h
winsup/w32api/include/ntsecapi.h
winsup/w32api/include/ntsecpkg.h
winsup/w32api/include/oaidl.h
winsup/w32api/include/objbase.h
winsup/w32api/include/objfwd.h
winsup/w32api/include/objidl.h
winsup/w32api/include/objsafe.h
winsup/w32api/include/objsel.h
winsup/w32api/include/ocidl.h
winsup/w32api/include/odbcinst.h
winsup/w32api/include/ole.h
winsup/w32api/include/ole2.h
winsup/w32api/include/ole2ver.h
winsup/w32api/include/oleacc.h
winsup/w32api/include/oleauto.h
winsup/w32api/include/olectl.h
winsup/w32api/include/olectlid.h
winsup/w32api/include/oledlg.h
winsup/w32api/include/oleidl.h
winsup/w32api/include/pbt.h
winsup/w32api/include/poppack.h
winsup/w32api/include/powrprof.h
winsup/w32api/include/prsht.h
winsup/w32api/include/psapi.h
winsup/w32api/include/pshpack1.h
winsup/w32api/include/pshpack2.h
winsup/w32api/include/pshpack4.h
winsup/w32api/include/pshpack8.h
winsup/w32api/include/qedit.h
winsup/w32api/include/rapi.h
winsup/w32api/include/ras.h
winsup/w32api/include/rasdlg.h
winsup/w32api/include/raserror.h
winsup/w32api/include/rassapi.h
winsup/w32api/include/reason.h
winsup/w32api/include/regstr.h
winsup/w32api/include/richedit.h
winsup/w32api/include/richole.h
winsup/w32api/include/routprot.h
winsup/w32api/include/rpc.h
winsup/w32api/include/rpcdce.h
winsup/w32api/include/rpcdce2.h
winsup/w32api/include/rpcdcep.h
winsup/w32api/include/rpcndr.h
winsup/w32api/include/rpcnsi.h
winsup/w32api/include/rpcnsip.h
winsup/w32api/include/rpcnterr.h
winsup/w32api/include/rpcproxy.h
winsup/w32api/include/rtutils.h
winsup/w32api/include/schannel.h
winsup/w32api/include/schnlsp.h
winsup/w32api/include/scrnsave.h
winsup/w32api/include/sddl.h
winsup/w32api/include/secext.h
winsup/w32api/include/security.h
winsup/w32api/include/servprov.h
winsup/w32api/include/setupapi.h
winsup/w32api/include/shellapi.h
winsup/w32api/include/shldisp.h
winsup/w32api/include/shlguid.h
winsup/w32api/include/shlobj.h
winsup/w32api/include/shlwapi.h
winsup/w32api/include/snmp.h
winsup/w32api/include/specstrings.h
winsup/w32api/include/sql.h
winsup/w32api/include/sqlext.h
winsup/w32api/include/sqltypes.h
winsup/w32api/include/sqlucode.h
winsup/w32api/include/sspi.h
winsup/w32api/include/stm.h
winsup/w32api/include/strmif.h
winsup/w32api/include/subauth.h
winsup/w32api/include/svcguid.h
winsup/w32api/include/tlhelp32.h
winsup/w32api/include/tmschema.h
winsup/w32api/include/unknwn.h
winsup/w32api/include/userenv.h
winsup/w32api/include/usp10.h
winsup/w32api/include/uxtheme.h
winsup/w32api/include/vfw.h
winsup/w32api/include/vidcap.h
winsup/w32api/include/vmr9.h
winsup/w32api/include/vptype.h
winsup/w32api/include/w32api.h
winsup/w32api/include/winable.h
winsup/w32api/include/winbase.h
winsup/w32api/include/winber.h
winsup/w32api/include/wincon.h
winsup/w32api/include/wincrypt.h
winsup/w32api/include/windef.h
winsup/w32api/include/windns.h
winsup/w32api/include/windows.h
winsup/w32api/include/windowsx.h
winsup/w32api/include/winerror.h
winsup/w32api/include/wingdi.h
winsup/w32api/include/wininet.h
winsup/w32api/include/winioctl.h
winsup/w32api/include/winldap.h
winsup/w32api/include/winnetwk.h
winsup/w32api/include/winnls.h
winsup/w32api/include/winnt.h
winsup/w32api/include/winperf.h
winsup/w32api/include/winreg.h
winsup/w32api/include/winresrc.h
winsup/w32api/include/winsnmp.h
winsup/w32api/include/winsock.h
winsup/w32api/include/winsock2.h
winsup/w32api/include/winspool.h
winsup/w32api/include/winsvc.h
winsup/w32api/include/winuser.h
winsup/w32api/include/winver.h
winsup/w32api/include/ws2spi.h
winsup/w32api/include/ws2tcpip.h
winsup/w32api/include/wsahelp.h
winsup/w32api/include/wsipx.h
winsup/w32api/include/wsnetbs.h
winsup/w32api/include/wtsapi32.h
winsup/w32api/include/wtypes.h
winsup/w32api/include/xprtdefs.h
winsup/w32api/include/zmouse.h
winsup/w32api/install-sh
winsup/w32api/lib/CheckConflicts.sh
winsup/w32api/lib/Makefile.in
winsup/w32api/lib/aclui.def
winsup/w32api/lib/advapi32.def
winsup/w32api/lib/ativscp-uuid.c
winsup/w32api/lib/avicap32.def
winsup/w32api/lib/avifil32.def
winsup/w32api/lib/bthprops.def
winsup/w32api/lib/cap.def
winsup/w32api/lib/cguid-uuid.c
winsup/w32api/lib/comcat-uuid.c
winsup/w32api/lib/comctl32.def
winsup/w32api/lib/comdlg32.def
winsup/w32api/lib/crypt32.def
winsup/w32api/lib/ctl3d32.def
winsup/w32api/lib/ddk/Makefile.in
winsup/w32api/lib/ddk/apcups.def
winsup/w32api/lib/ddk/cfgmgr32.def
winsup/w32api/lib/ddk/dxapi.def
winsup/w32api/lib/ddk/hal.def
winsup/w32api/lib/ddk/hid.def
winsup/w32api/lib/ddk/hidparse.def
winsup/w32api/lib/ddk/mcd.def
winsup/w32api/lib/ddk/ndis.def
winsup/w32api/lib/ddk/newdev.def
winsup/w32api/lib/ddk/ntoskrnl.def
winsup/w32api/lib/ddk/scsiport.def
winsup/w32api/lib/ddk/tdi.def
winsup/w32api/lib/ddk/usbcamd.def
winsup/w32api/lib/ddk/usbcamd2.def
winsup/w32api/lib/ddk/videoprt.def
winsup/w32api/lib/ddk/win32k.def
winsup/w32api/lib/devguid.c
winsup/w32api/lib/dhcpcsvc.def
winsup/w32api/lib/directx/Makefile.in
winsup/w32api/lib/directx/d3d8.def
winsup/w32api/lib/directx/d3d9.def
winsup/w32api/lib/directx/d3dim.def
winsup/w32api/lib/directx/d3drm.def
winsup/w32api/lib/directx/d3dx8d.def
winsup/w32api/lib/directx/d3dx9d.def
winsup/w32api/lib/directx/d3dxof.def
winsup/w32api/lib/directx/ddraw.def
winsup/w32api/lib/directx/dinput.def
winsup/w32api/lib/directx/dinput8.def
winsup/w32api/lib/directx/dinput_joy.c
winsup/w32api/lib/directx/dinput_joy2.c
winsup/w32api/lib/directx/dinput_kbd.c
winsup/w32api/lib/directx/dinput_mouse.c
winsup/w32api/lib/directx/dinput_mouse2.c
winsup/w32api/lib/directx/dinput_private.h
winsup/w32api/lib/directx/dmoguids.c
winsup/w32api/lib/directx/dplayx.def
winsup/w32api/lib/directx/dpnaddr.def
winsup/w32api/lib/directx/dpnet.def
winsup/w32api/lib/directx/dpnlobby.def
winsup/w32api/lib/directx/dpvoice.def
winsup/w32api/lib/directx/dsetup.def
winsup/w32api/lib/directx/dsound.def
winsup/w32api/lib/directx/dxerr.c
winsup/w32api/lib/directx/dxerr8.c
winsup/w32api/lib/directx/dxerr8w.c
winsup/w32api/lib/directx/dxerr9.c
winsup/w32api/lib/directx/dxerr9w.c
winsup/w32api/lib/directx/dxguid.c
winsup/w32api/lib/directx/ksproxy.def
winsup/w32api/lib/directx/ksuser.c
winsup/w32api/lib/directx/ksuser.def
winsup/w32api/lib/directx/msdmo.def
winsup/w32api/lib/directx/strmiids.c
winsup/w32api/lib/directx/test.c
winsup/w32api/lib/dlcapi.def
winsup/w32api/lib/dnsapi.def
winsup/w32api/lib/docobj-uuid.c
winsup/w32api/lib/exdisp-uuid.c
winsup/w32api/lib/extras-uuid.c
winsup/w32api/lib/faultrep.def
winsup/w32api/lib/gdi32.def
winsup/w32api/lib/gdiplus.c
winsup/w32api/lib/gdiplus.def
winsup/w32api/lib/glaux.def
winsup/w32api/lib/glu32.def
winsup/w32api/lib/hlguids-uuid.c
winsup/w32api/lib/hlink-uuid.c
winsup/w32api/lib/icmui.def
winsup/w32api/lib/igmpagnt.def
winsup/w32api/lib/imagehlp.def
winsup/w32api/lib/imm32.def
winsup/w32api/lib/iphlpapi.def
winsup/w32api/lib/kernel32.def
winsup/w32api/lib/largeint.c
winsup/w32api/lib/lz32.def
winsup/w32api/lib/mapi32.def
winsup/w32api/lib/mfcuia32.def
winsup/w32api/lib/mgmtapi.def
winsup/w32api/lib/mlang-uuid.c
winsup/w32api/lib/mpr.def
winsup/w32api/lib/mprapi.def
winsup/w32api/lib/mqrt.def
winsup/w32api/lib/msacm32.def
winsup/w32api/lib/mscms.def
winsup/w32api/lib/mshtml-uuid.c
winsup/w32api/lib/msimg32.def
winsup/w32api/lib/msvcp60.def
winsup/w32api/lib/msvfw32.def
winsup/w32api/lib/mswsock.def
winsup/w32api/lib/msxml-uuid.c
winsup/w32api/lib/nddeapi.def
winsup/w32api/lib/netapi32.def
winsup/w32api/lib/ntdll.def
winsup/w32api/lib/oaidl-uuid.c
winsup/w32api/lib/objidl-uuid.c
winsup/w32api/lib/objsafe-uuid.c
winsup/w32api/lib/ocidl-uuid.c
winsup/w32api/lib/odbc32.def
winsup/w32api/lib/odbccp32.def
winsup/w32api/lib/ole32.def
winsup/w32api/lib/oleacc-uuid.c
winsup/w32api/lib/oleacc.def
winsup/w32api/lib/oleaut32.def
winsup/w32api/lib/olecli32.def
winsup/w32api/lib/olectlid-uuid.c
winsup/w32api/lib/oledlg.def
winsup/w32api/lib/oleidl-uuid.c
winsup/w32api/lib/olepro32.def
winsup/w32api/lib/olesvr32.def
winsup/w32api/lib/opengl32.def
winsup/w32api/lib/penwin32.def
winsup/w32api/lib/pkpd32.def
winsup/w32api/lib/power-uuid.c
winsup/w32api/lib/powrprof.def
winsup/w32api/lib/psapi.def
winsup/w32api/lib/quartz.def
winsup/w32api/lib/rapi.def
winsup/w32api/lib/rasapi32.def
winsup/w32api/lib/rasdlg.def
winsup/w32api/lib/res.rc
winsup/w32api/lib/rpcdce4.def
winsup/w32api/lib/rpcns4.def
winsup/w32api/lib/rpcrt4.def
winsup/w32api/lib/rtm.def
winsup/w32api/lib/rtutils.def
winsup/w32api/lib/scrnsave.c
winsup/w32api/lib/secur32.def
winsup/w32api/lib/servprov-uuid.c
winsup/w32api/lib/setupapi.def
winsup/w32api/lib/shell32.c
winsup/w32api/lib/shell32.def
winsup/w32api/lib/shfolder.def
winsup/w32api/lib/shlwapi.def
winsup/w32api/lib/snmpapi.def
winsup/w32api/lib/svrapi.def
winsup/w32api/lib/tapi32.def
winsup/w32api/lib/test.c
winsup/w32api/lib/thunk32.def
winsup/w32api/lib/unknwn-uuid.c
winsup/w32api/lib/url.def
winsup/w32api/lib/urlmon-uuid.c
winsup/w32api/lib/user32.def
winsup/w32api/lib/userenv.def
winsup/w32api/lib/usp10.def
winsup/w32api/lib/uxtheme.def
winsup/w32api/lib/vdmdbg.def
winsup/w32api/lib/version.def
winsup/w32api/lib/vfw32.mri
winsup/w32api/lib/win32spl.def
winsup/w32api/lib/wininet.def
winsup/w32api/lib/winmm.def
winsup/w32api/lib/winspool.def
winsup/w32api/lib/winstrm.def
winsup/w32api/lib/wldap32.def
winsup/w32api/lib/wow32.def
winsup/w32api/lib/ws2_32.c
winsup/w32api/lib/ws2_32.def
winsup/w32api/lib/wsnmp32.def
winsup/w32api/lib/wsock32.def
winsup/w32api/lib/wst.def
winsup/w32api/lib/wtsapi32.def
Diffstat (limited to 'winsup/cygwin/fhandler_socket.cc')
-rw-r--r-- | winsup/cygwin/fhandler_socket.cc | 2111 |
1 files changed, 0 insertions, 2111 deletions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc deleted file mode 100644 index 85651c500..000000000 --- a/winsup/cygwin/fhandler_socket.cc +++ /dev/null @@ -1,2111 +0,0 @@ -/* fhandler_socket.cc. See fhandler.h for a description of the fhandler classes. - - Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, - 2009, 2010 Red Hat, Inc. - - This file is part of Cygwin. - - This software is a copyrighted work licensed under the terms of the - Cygwin license. Please consult the file "CYGWIN_LICENSE" for - details. */ - -/* #define DEBUG_NEST_ON 1 */ - -#define __INSIDE_CYGWIN_NET__ - -#include "winsup.h" -#include <sys/un.h> -#include <asm/byteorder.h> - -#include <stdlib.h> -#define USE_SYS_TYPES_FD_SET -#include <winsock2.h> -#include <mswsock.h> -#include <iphlpapi.h> -#include "cygerrno.h" -#include "security.h" -#include "cygwin/version.h" -#include "perprocess.h" -#include "path.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" -#include "shared_info.h" -#include "sigproc.h" -#include "wininfo.h" -#include <unistd.h> -#include <sys/acl.h> -#include "cygtls.h" -#include "cygwin/in6.h" -#include "ntdll.h" -#include "miscfuncs.h" - -#define ASYNC_MASK (FD_READ|FD_WRITE|FD_OOB|FD_ACCEPT|FD_CONNECT) -#define EVENT_MASK (FD_READ|FD_WRITE|FD_OOB|FD_ACCEPT|FD_CONNECT|FD_CLOSE) - -extern bool fdsock (cygheap_fdmanip& fd, const device *, SOCKET soc); -extern "C" { -int sscanf (const char *, const char *, ...); -} /* End of "C" section */ - -fhandler_dev_random* entropy_source; - -static inline mode_t -adjust_socket_file_mode (mode_t mode) -{ - /* Kludge: Don't allow to remove read bit on socket files for - user/group/other, if the accompanying write bit is set. It would - be nice to have exact permissions on a socket file, but it's - necessary that somebody able to access the socket can always read - the contents of the socket file to avoid spurious "permission - denied" messages. */ - return mode | ((mode & (S_IWUSR | S_IWGRP | S_IWOTH)) << 1); -} - -/* cygwin internal: map sockaddr into internet domain address */ -static int -get_inet_addr (const struct sockaddr *in, int inlen, - struct sockaddr_storage *out, int *outlen, - int *type = NULL, int *secret = NULL) -{ - int secret_buf [4]; - int* secret_ptr = (secret ? : secret_buf); - - if (in->sa_family == AF_INET || in->sa_family == AF_INET6) - { - memcpy (out, in, inlen); - *outlen = inlen; - return 1; - } - else if (in->sa_family == AF_LOCAL) - { - NTSTATUS status; - HANDLE fh; - OBJECT_ATTRIBUTES attr; - IO_STATUS_BLOCK io; - - path_conv pc (in->sa_data, PC_SYM_FOLLOW); - if (pc.error) - { - set_errno (pc.error); - return 0; - } - if (!pc.exists ()) - { - set_errno (ENOENT); - return 0; - } - /* Do NOT test for the file being a socket file here. The socket file - creation is not an atomic operation, so there is a chance that socket - files which are just in the process of being created are recognized - as non-socket files. To work around this problem we now create the - file with all sharing disabled. If the below NtOpenFile fails - with STATUS_SHARING_VIOLATION we know that the file already exists, - but the creating process isn't finished yet. So we yield and try - again, until we can either open the file successfully, or some error - other than STATUS_SHARING_VIOLATION occurs. - Since we now don't know if the file is actually a socket file, we - perform this check here explicitely. */ - pc.get_object_attr (attr, sec_none_nih); - do - { - status = NtOpenFile (&fh, GENERIC_READ | SYNCHRONIZE, &attr, &io, - FILE_SHARE_VALID_FLAGS, - FILE_SYNCHRONOUS_IO_NONALERT - | FILE_OPEN_FOR_BACKUP_INTENT); - if (status == STATUS_SHARING_VIOLATION) - yield (); - else if (!NT_SUCCESS (status)) - { - __seterrno_from_nt_status (status); - return 0; - } - } - while (status == STATUS_SHARING_VIOLATION); - int ret = 0; - char buf[128]; - memset (buf, 0, sizeof buf); - status = NtReadFile (fh, NULL, NULL, NULL, &io, buf, 128, NULL, NULL); - NtClose (fh); - if (NT_SUCCESS (status)) - { - struct sockaddr_in sin; - char ctype; - sin.sin_family = AF_INET; - if (strncmp (buf, SOCKET_COOKIE, strlen (SOCKET_COOKIE))) - { - set_errno (EBADF); - return 0; - } - sscanf (buf + strlen (SOCKET_COOKIE), "%hu %c %08x-%08x-%08x-%08x", - &sin.sin_port, - &ctype, - secret_ptr, secret_ptr + 1, secret_ptr + 2, secret_ptr + 3); - sin.sin_port = htons (sin.sin_port); - sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK); - memcpy (out, &sin, sizeof sin); - *outlen = sizeof sin; - if (type) - *type = (ctype == 's' ? SOCK_STREAM : - ctype == 'd' ? SOCK_DGRAM - : 0); - ret = 1; - } - else - __seterrno_from_nt_status (status); - return ret; - } - else - { - set_errno (EAFNOSUPPORT); - return 0; - } -} - -/**********************************************************************/ -/* fhandler_socket */ - -fhandler_socket::fhandler_socket () : - fhandler_base (), - wsock_events (NULL), - wsock_mtx (NULL), - wsock_evt (NULL), - prot_info_ptr (NULL), - sun_path (NULL), - peer_sun_path (NULL), - status () -{ - need_fork_fixup (true); -} - -fhandler_socket::~fhandler_socket () -{ - if (prot_info_ptr) - cfree (prot_info_ptr); - if (sun_path) - cfree (sun_path); - if (peer_sun_path) - cfree (peer_sun_path); -} - -char * -fhandler_socket::get_proc_fd_name (char *buf) -{ - __small_sprintf (buf, "socket:[%d]", get_socket ()); - return buf; -} - -int -fhandler_socket::open (int flags, mode_t mode) -{ - set_errno (ENXIO); - return 0; -} - -void -fhandler_socket::af_local_set_sockpair_cred () -{ - sec_pid = sec_peer_pid = getpid (); - sec_uid = sec_peer_uid = geteuid32 (); - sec_gid = sec_peer_gid = getegid32 (); -} - -void -fhandler_socket::af_local_setblocking (bool &async, bool &nonblocking) -{ - async = async_io (); - nonblocking = is_nonblocking (); - if (async) - { - WSAAsyncSelect (get_socket (), winmsg, 0, 0); - WSAEventSelect (get_socket (), wsock_evt, EVENT_MASK); - } - set_nonblocking (false); - async_io (false); -} - -void -fhandler_socket::af_local_unsetblocking (bool async, bool nonblocking) -{ - if (nonblocking) - set_nonblocking (true); - if (async) - { - WSAAsyncSelect (get_socket (), winmsg, WM_ASYNCIO, ASYNC_MASK); - async_io (true); - } -} - -bool -fhandler_socket::af_local_recv_secret () -{ - int out[4] = { 0, 0, 0, 0 }; - int rest = sizeof out; - char *ptr = (char *) out; - while (rest > 0) - { - int ret = recvfrom (ptr, rest, 0, NULL, NULL); - if (ret <= 0) - break; - rest -= ret; - ptr += ret; - } - if (rest == 0) - { - debug_printf ("Received af_local secret: %08x-%08x-%08x-%08x", - out[0], out[1], out[2], out[3]); - if (out[0] != connect_secret[0] || out[1] != connect_secret[1] - || out[2] != connect_secret[2] || out[3] != connect_secret[3]) - { - debug_printf ("Receiving af_local secret mismatch"); - return false; - } - } - else - debug_printf ("Receiving af_local secret failed"); - return rest == 0; -} - -bool -fhandler_socket::af_local_send_secret () -{ - int rest = sizeof connect_secret; - char *ptr = (char *) connect_secret; - while (rest > 0) - { - int ret = sendto (ptr, rest, 0, NULL, 0); - if (ret <= 0) - break; - rest -= ret; - ptr += ret; - } - debug_printf ("Sending af_local secret %s", rest == 0 ? "succeeded" - : "failed"); - return rest == 0; -} - -bool -fhandler_socket::af_local_recv_cred () -{ - struct ucred out = { (pid_t) 0, (__uid32_t) -1, (__gid32_t) -1 }; - int rest = sizeof out; - char *ptr = (char *) &out; - while (rest > 0) - { - int ret = recvfrom (ptr, rest, 0, NULL, NULL); - if (ret <= 0) - break; - rest -= ret; - ptr += ret; - } - if (rest == 0) - { - debug_printf ("Received eid credentials: pid: %d, uid: %d, gid: %d", - out.pid, out.uid, out.gid); - sec_peer_pid = out.pid; - sec_peer_uid = out.uid; - sec_peer_gid = out.gid; - } - else - debug_printf ("Receiving eid credentials failed"); - return rest == 0; -} - -bool -fhandler_socket::af_local_send_cred () -{ - struct ucred in = { sec_pid, sec_uid, sec_gid }; - int rest = sizeof in; - char *ptr = (char *) ∈ - while (rest > 0) - { - int ret = sendto (ptr, rest, 0, NULL, 0); - if (ret <= 0) - break; - rest -= ret; - ptr += ret; - } - if (rest == 0) - debug_printf ("Sending eid credentials succeeded"); - else - debug_printf ("Sending eid credentials failed"); - return rest == 0; -} - -int -fhandler_socket::af_local_connect () -{ - /* This keeps the test out of select. */ - if (get_addr_family () != AF_LOCAL || get_socket_type () != SOCK_STREAM) - return 0; - - debug_printf ("af_local_connect called"); - bool orig_async_io, orig_is_nonblocking; - af_local_setblocking (orig_async_io, orig_is_nonblocking); - if (!af_local_send_secret () || !af_local_recv_secret () - || !af_local_send_cred () || !af_local_recv_cred ()) - { - debug_printf ("accept from unauthorized server"); - ::shutdown (get_socket (), SD_BOTH); - WSASetLastError (WSAECONNREFUSED); - return -1; - } - af_local_unsetblocking (orig_async_io, orig_is_nonblocking); - return 0; -} - -int -fhandler_socket::af_local_accept () -{ - debug_printf ("af_local_accept called"); - bool orig_async_io, orig_is_nonblocking; - af_local_setblocking (orig_async_io, orig_is_nonblocking); - if (!af_local_recv_secret () || !af_local_send_secret () - || !af_local_recv_cred () || !af_local_send_cred ()) - { - debug_printf ("connect from unauthorized client"); - ::shutdown (get_socket (), SD_BOTH); - ::closesocket (get_socket ()); - WSASetLastError (WSAECONNABORTED); - return -1; - } - af_local_unsetblocking (orig_async_io, orig_is_nonblocking); - return 0; -} - -void -fhandler_socket::af_local_set_cred () -{ - sec_pid = getpid (); - sec_uid = geteuid32 (); - sec_gid = getegid32 (); - sec_peer_pid = (pid_t) 0; - sec_peer_uid = (__uid32_t) -1; - sec_peer_gid = (__gid32_t) -1; -} - -void -fhandler_socket::af_local_copy (fhandler_socket *sock) -{ - sock->connect_secret[0] = connect_secret[0]; - sock->connect_secret[1] = connect_secret[1]; - sock->connect_secret[2] = connect_secret[2]; - sock->connect_secret[3] = connect_secret[3]; - sock->sec_pid = sec_pid; - sock->sec_uid = sec_uid; - sock->sec_gid = sec_gid; - sock->sec_peer_pid = sec_peer_pid; - sock->sec_peer_uid = sec_peer_uid; - sock->sec_peer_gid = sec_peer_gid; -} - -void -fhandler_socket::af_local_set_secret (char *buf) -{ - if (!entropy_source) - { - void *buf = malloc (sizeof (fhandler_dev_random)); - entropy_source = new (buf) fhandler_dev_random (); - entropy_source->dev () = *urandom_dev; - } - if (entropy_source && - !entropy_source->open (O_RDONLY)) - { - delete entropy_source; - entropy_source = NULL; - } - if (entropy_source) - { - size_t len = sizeof (connect_secret); - entropy_source->read (connect_secret, len); - if (len != sizeof (connect_secret)) - bzero ((char*) connect_secret, sizeof (connect_secret)); - } - __small_sprintf (buf, "%08x-%08x-%08x-%08x", - connect_secret [0], connect_secret [1], - connect_secret [2], connect_secret [3]); -} - -/* Maximum number of concurrently opened sockets from all Cygwin processes - per session. Note that shared sockets (through dup/fork/exec) are - counted as one socket. */ -#define NUM_SOCKS (32768 / sizeof (wsa_event)) - -#define LOCK_EVENTS WaitForSingleObject (wsock_mtx, INFINITE) -#define UNLOCK_EVENTS ReleaseMutex (wsock_mtx) - -static wsa_event wsa_events[NUM_SOCKS] __attribute__((section (".cygwin_dll_common"), shared)); - -static LONG socket_serial_number __attribute__((section (".cygwin_dll_common"), shared)); - -static HANDLE wsa_slot_mtx; - -static PWCHAR -sock_shared_name (PWCHAR buf, LONG num) -{ - __small_swprintf (buf, L"socket.%d", num); - return buf; -} - -static wsa_event * -search_wsa_event_slot (LONG new_serial_number) -{ - WCHAR name[32], searchname[32]; - UNICODE_STRING uname; - OBJECT_ATTRIBUTES attr; - NTSTATUS status; - - if (!wsa_slot_mtx) - { - RtlInitUnicodeString (&uname, sock_shared_name (name, 0)); - InitializeObjectAttributes (&attr, &uname, OBJ_INHERIT | OBJ_OPENIF, - get_session_parent_dir (), - everyone_sd (CYG_MUTANT_ACCESS)); - status = NtCreateMutant (&wsa_slot_mtx, CYG_MUTANT_ACCESS, &attr, FALSE); - if (!NT_SUCCESS (status)) - api_fatal ("Couldn't create/open shared socket mutex %S, %p", - &uname, status); - } - switch (WaitForSingleObject (wsa_slot_mtx, INFINITE)) - { - case WAIT_OBJECT_0: - case WAIT_ABANDONED: - break; - default: - api_fatal ("WFSO failed for shared socket mutex, %E"); - break; - } - unsigned int slot = new_serial_number % NUM_SOCKS; - while (wsa_events[slot].serial_number) - { - HANDLE searchmtx; - RtlInitUnicodeString (&uname, sock_shared_name (searchname, - wsa_events[slot].serial_number)); - InitializeObjectAttributes (&attr, &uname, 0, get_session_parent_dir (), - NULL); - status = NtOpenMutant (&searchmtx, READ_CONTROL, &attr); - if (!NT_SUCCESS (status)) - break; - /* Mutex still exists, attached socket is active, try next slot. */ - NtClose (searchmtx); - slot = (slot + 1) % NUM_SOCKS; - if (slot == (new_serial_number % NUM_SOCKS)) - { - /* Did the whole array once. Too bad. */ - debug_printf ("No free socket slot"); - ReleaseMutex (wsa_slot_mtx); - return NULL; - } - } - memset (&wsa_events[slot], 0, sizeof (wsa_event)); - wsa_events[slot].serial_number = new_serial_number; - ReleaseMutex (wsa_slot_mtx); - return wsa_events + slot; -} - -bool -fhandler_socket::init_events () -{ - LONG new_serial_number; - WCHAR name[32]; - UNICODE_STRING uname; - OBJECT_ATTRIBUTES attr; - NTSTATUS status; - - do - { - new_serial_number = - InterlockedIncrement (&socket_serial_number); - if (!new_serial_number) /* 0 is reserved for global mutex */ - InterlockedIncrement (&socket_serial_number); - RtlInitUnicodeString (&uname, sock_shared_name (name, new_serial_number)); - InitializeObjectAttributes (&attr, &uname, OBJ_INHERIT | OBJ_OPENIF, - get_session_parent_dir (), - everyone_sd (CYG_MUTANT_ACCESS)); - status = NtCreateMutant (&wsock_mtx, CYG_MUTANT_ACCESS, &attr, FALSE); - if (!NT_SUCCESS (status)) - { - debug_printf ("NtCreateMutant(%S), %p", &uname, status); - set_errno (ENOBUFS); - return false; - } - if (status == STATUS_OBJECT_NAME_EXISTS) - NtClose (wsock_mtx); - } - while (status == STATUS_OBJECT_NAME_EXISTS); - if ((wsock_evt = CreateEvent (&sec_all, TRUE, FALSE, NULL)) - == WSA_INVALID_EVENT) - { - debug_printf ("CreateEvent, %E"); - set_errno (ENOBUFS); - NtClose (wsock_mtx); - return false; - } - if (WSAEventSelect (get_socket (), wsock_evt, EVENT_MASK) == SOCKET_ERROR) - { - debug_printf ("WSAEventSelect, %E"); - set_winsock_errno (); - NtClose (wsock_evt); - NtClose (wsock_mtx); - return false; - } - wsock_events = search_wsa_event_slot (new_serial_number); - /* sock type not yet set here. */ - if (pc.dev == FH_UDP || pc.dev == FH_DGRAM) - wsock_events->events = FD_WRITE; - return true; -} - -int -fhandler_socket::evaluate_events (const long event_mask, long &events, - const bool erase) -{ - int ret = 0; - long events_now = 0; - - WSANETWORKEVENTS evts = { 0 }; - if (!(WSAEnumNetworkEvents (get_socket (), wsock_evt, &evts))) - { - if (evts.lNetworkEvents) - { - LOCK_EVENTS; - wsock_events->events |= evts.lNetworkEvents; - events_now = (wsock_events->events & event_mask); - if (evts.lNetworkEvents & FD_CONNECT) - wsock_events->connect_errorcode = evts.iErrorCode[FD_CONNECT_BIT]; - UNLOCK_EVENTS; - if ((evts.lNetworkEvents & FD_OOB) && wsock_events->owner) - kill (wsock_events->owner, SIGURG); - } - } - - LOCK_EVENTS; - if ((events = events_now) != 0 - || (events = (wsock_events->events & event_mask)) != 0) - { - if (events & FD_CONNECT) - { - int wsa_err = 0; - if ((wsa_err = wsock_events->connect_errorcode) != 0) - { - WSASetLastError (wsa_err); - ret = SOCKET_ERROR; - } - else - wsock_events->events |= FD_WRITE; - wsock_events->events &= ~FD_CONNECT; - wsock_events->connect_errorcode = 0; - } - if (erase) - wsock_events->events &= ~(events & ~(FD_WRITE | FD_CLOSE)); - } - UNLOCK_EVENTS; - - return ret; -} - -int -fhandler_socket::wait_for_events (const long event_mask, const DWORD flags) -{ - if (async_io ()) - return 0; - - int ret; - long events; - - while (!(ret = evaluate_events (event_mask, events, !(flags & MSG_PEEK))) - && !events) - { - if (is_nonblocking () || (flags & MSG_DONTWAIT)) - { - WSASetLastError (WSAEWOULDBLOCK); - return SOCKET_ERROR; - } - - WSAEVENT ev[2] = { wsock_evt, signal_arrived }; - switch (WSAWaitForMultipleEvents (2, ev, FALSE, 50, FALSE)) - { - case WSA_WAIT_TIMEOUT: - case WSA_WAIT_EVENT_0: - break; - - case WSA_WAIT_EVENT_0 + 1: - if (_my_tls.call_signal_handler ()) - break; - WSASetLastError (WSAEINTR); - return SOCKET_ERROR; - - default: - WSASetLastError (WSAEFAULT); - return SOCKET_ERROR; - } - } - - return ret; -} - -void -fhandler_socket::release_events () -{ - NtClose (wsock_evt); - NtClose (wsock_mtx); -} - -/* Called from net.cc:fdsock() if a freshly created socket is not - inheritable. In that case we use fixup_before_fork_exec. See - the comment in fdsock() for a description of the problem. */ -void -fhandler_socket::init_fixup_before () -{ - prot_info_ptr = (LPWSAPROTOCOL_INFOW) - cmalloc_abort (HEAP_BUF, sizeof (WSAPROTOCOL_INFOW)); - cygheap->fdtab.inc_need_fixup_before (); -} - -int -fhandler_socket::fixup_before_fork_exec (DWORD win_pid) -{ - SOCKET ret = WSADuplicateSocketW (get_socket (), win_pid, prot_info_ptr); - if (ret) - set_winsock_errno (); - else - debug_printf ("WSADuplicateSocket succeeded (%lx)", prot_info_ptr->dwProviderReserved); - return (int) ret; -} - -void -fhandler_socket::fixup_after_fork (HANDLE parent) -{ - fork_fixup (parent, wsock_mtx, "wsock_mtx"); - fork_fixup (parent, wsock_evt, "wsock_evt"); - - if (!need_fixup_before ()) - { - fhandler_base::fixup_after_fork (parent); - return; - } - - SOCKET new_sock = WSASocketW (FROM_PROTOCOL_INFO, FROM_PROTOCOL_INFO, - FROM_PROTOCOL_INFO, prot_info_ptr, 0, - WSA_FLAG_OVERLAPPED); - if (new_sock == INVALID_SOCKET) - { - set_winsock_errno (); - set_io_handle ((HANDLE) INVALID_SOCKET); - } - else - { - /* Even though the original socket was not inheritable, the duplicated - socket is potentially inheritable again. */ - SetHandleInformation ((HANDLE) new_sock, HANDLE_FLAG_INHERIT, 0); - set_io_handle ((HANDLE) new_sock); - debug_printf ("WSASocket succeeded (%lx)", new_sock); - } -} - -void -fhandler_socket::fixup_after_exec () -{ - if (need_fixup_before () && !close_on_exec ()) - fixup_after_fork (NULL); -} - -int -fhandler_socket::dup (fhandler_base *child) -{ - debug_printf ("here"); - fhandler_socket *fhs = (fhandler_socket *) child; - - if (!DuplicateHandle (GetCurrentProcess (), wsock_mtx, - GetCurrentProcess (), &fhs->wsock_mtx, - 0, TRUE, DUPLICATE_SAME_ACCESS)) - { - __seterrno (); - return -1; - } - if (!DuplicateHandle (GetCurrentProcess (), wsock_evt, - GetCurrentProcess (), &fhs->wsock_evt, - 0, TRUE, DUPLICATE_SAME_ACCESS)) - { - __seterrno (); - NtClose (fhs->wsock_mtx); - return -1; - } - fhs->wsock_events = wsock_events; - - fhs->rmem (rmem ()); - fhs->wmem (wmem ()); - fhs->addr_family = addr_family; - fhs->set_socket_type (get_socket_type ()); - if (get_addr_family () == AF_LOCAL) - { - fhs->set_sun_path (get_sun_path ()); - fhs->set_peer_sun_path (get_peer_sun_path ()); - if (get_socket_type () == SOCK_STREAM) - { - fhs->sec_pid = sec_pid; - fhs->sec_uid = sec_uid; - fhs->sec_gid = sec_gid; - fhs->sec_peer_pid = sec_peer_pid; - fhs->sec_peer_uid = sec_peer_uid; - fhs->sec_peer_gid = sec_peer_gid; - } - } - fhs->connect_state (connect_state ()); - - if (!need_fixup_before ()) - { - int ret = fhandler_base::dup (child); - if (ret) - { - NtClose (fhs->wsock_evt); - NtClose (fhs->wsock_mtx); - } - return ret; - } - - cygheap->user.deimpersonate (); - fhs->init_fixup_before (); - fhs->set_io_handle (get_io_handle ()); - if (!fhs->fixup_before_fork_exec (GetCurrentProcessId ())) - { - cygheap->user.reimpersonate (); - fhs->fixup_after_fork (GetCurrentProcess ()); - if (fhs->get_io_handle() != (HANDLE) INVALID_SOCKET) - return 0; - } - cygheap->user.reimpersonate (); - cygheap->fdtab.dec_need_fixup_before (); - NtClose (fhs->wsock_evt); - NtClose (fhs->wsock_mtx); - return -1; -} - -int __stdcall -fhandler_socket::fstat (struct __stat64 *buf) -{ - int res; - if (get_device () == FH_UNIX) - { - res = fhandler_base::fstat_fs (buf); - if (!res) - { - buf->st_mode = (buf->st_mode & ~S_IFMT) | S_IFSOCK; - buf->st_size = 0; - } - } - else - { - res = fhandler_base::fstat (buf); - if (!res) - { - buf->st_dev = 0; - buf->st_ino = (__ino64_t) ((DWORD) get_handle ()); - buf->st_mode = S_IFSOCK | S_IRWXU | S_IRWXG | S_IRWXO; - buf->st_size = 0; - } - } - return res; -} - -int __stdcall -fhandler_socket::fstatvfs (struct statvfs *sfs) -{ - if (get_device () == FH_UNIX) - { - fhandler_disk_file fh (pc); - fh.get_device () = FH_FS; - return fh.fstatvfs (sfs); - } - set_errno (EBADF); - return -1; -} - -int -fhandler_socket::fchmod (mode_t mode) -{ - if (get_device () == FH_UNIX) - { - fhandler_disk_file fh (pc); - fh.get_device () = FH_FS; - int ret = fh.fchmod (S_IFSOCK | adjust_socket_file_mode (mode)); - return ret; - } - set_errno (EBADF); - return -1; -} - -int -fhandler_socket::fchown (__uid32_t uid, __gid32_t gid) -{ - if (get_device () == FH_UNIX) - { - fhandler_disk_file fh (pc); - return fh.fchown (uid, gid); - } - set_errno (EBADF); - return -1; -} - -int -fhandler_socket::facl (int cmd, int nentries, __aclent32_t *aclbufp) -{ - if (get_device () == FH_UNIX) - { - fhandler_disk_file fh (pc); - return fh.facl (cmd, nentries, aclbufp); - } - set_errno (EBADF); - return -1; -} - -int -fhandler_socket::link (const char *newpath) -{ - if (get_device () == FH_UNIX) - { - fhandler_disk_file fh (pc); - return fh.link (newpath); - } - return fhandler_base::link (newpath); -} - -static inline bool -address_in_use (const struct sockaddr *addr) -{ - switch (addr->sa_family) - { - case AF_INET: - { - PMIB_TCPTABLE tab; - PMIB_TCPROW entry; - DWORD size = 0, i; - struct sockaddr_in *in = (struct sockaddr_in *) addr; - - if (GetTcpTable (NULL, &size, FALSE) == ERROR_INSUFFICIENT_BUFFER) - { - tab = (PMIB_TCPTABLE) alloca (size += 16 * sizeof (PMIB_TCPROW)); - if (!GetTcpTable (tab, &size, FALSE)) - for (i = tab->dwNumEntries, entry = tab->table; i > 0; - --i, ++entry) - if (entry->dwLocalAddr == in->sin_addr.s_addr - && entry->dwLocalPort == in->sin_port - && entry->dwState >= MIB_TCP_STATE_LISTEN - && entry->dwState <= MIB_TCP_STATE_LAST_ACK) - return true; - } - } - break; - case AF_INET6: - { - /* This test works on XP SP2 and above which should cover almost - all IPv6 users... */ - PMIB_TCP6TABLE_OWNER_PID tab; - PMIB_TCP6ROW_OWNER_PID entry; - DWORD size = 0, i; - struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) addr; - - if (GetExtendedTcpTable (NULL, &size, FALSE, AF_INET6, - TCP_TABLE_OWNER_PID_ALL, 0) - == ERROR_INSUFFICIENT_BUFFER) - { - tab = (PMIB_TCP6TABLE_OWNER_PID) - alloca (size += 16 * sizeof (PMIB_TCP6ROW_OWNER_PID)); - if (!GetExtendedTcpTable (tab, &size, FALSE, AF_INET6, - TCP_TABLE_OWNER_PID_ALL, 0)) - for (i = tab->dwNumEntries, entry = tab->table; i > 0; - --i, ++entry) - if (IN6_ARE_ADDR_EQUAL (entry->ucLocalAddr, - in6->sin6_addr.s6_addr) - /* FIXME: Is testing for the scope required. too?!? */ - && entry->dwLocalPort == in6->sin6_port - && entry->dwState >= MIB_TCP_STATE_LISTEN - && entry->dwState <= MIB_TCP_STATE_LAST_ACK) - return true; - } - } - break; - default: - break; - } - return false; -} - -int -fhandler_socket::bind (const struct sockaddr *name, int namelen) -{ - int res = -1; - - if (name->sa_family == AF_LOCAL) - { -#define un_addr ((struct sockaddr_un *) name) - struct sockaddr_in sin; - int len = sizeof sin; - - if (strlen (un_addr->sun_path) >= UNIX_PATH_LEN) - { - set_errno (ENAMETOOLONG); - goto out; - } - sin.sin_family = AF_INET; - sin.sin_port = 0; - sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK); - if (::bind (get_socket (), (sockaddr *) &sin, len)) - { - syscall_printf ("AF_LOCAL: bind failed"); - set_winsock_errno (); - goto out; - } - if (::getsockname (get_socket (), (sockaddr *) &sin, &len)) - { - syscall_printf ("AF_LOCAL: getsockname failed"); - set_winsock_errno (); - goto out; - } - - sin.sin_port = ntohs (sin.sin_port); - debug_printf ("AF_LOCAL: socket bound to port %u", sin.sin_port); - - path_conv pc (un_addr->sun_path, PC_SYM_FOLLOW); - if (pc.error) - { - set_errno (pc.error); - goto out; - } - if (pc.exists ()) - { - set_errno (EADDRINUSE); - goto out; - } - mode_t mode = adjust_socket_file_mode ((S_IRWXU | S_IRWXG | S_IRWXO) - & ~cygheap->umask); - DWORD fattr = FILE_ATTRIBUTE_SYSTEM; - if (!(mode & (S_IWUSR | S_IWGRP | S_IWOTH))) - fattr |= FILE_ATTRIBUTE_READONLY; - SECURITY_ATTRIBUTES sa = sec_none_nih; - NTSTATUS status; - HANDLE fh; - OBJECT_ATTRIBUTES attr; - IO_STATUS_BLOCK io; - - status = NtCreateFile (&fh, DELETE | FILE_GENERIC_WRITE, - pc.get_object_attr (attr, sa), &io, NULL, fattr, - 0, FILE_CREATE, - FILE_NON_DIRECTORY_FILE - | FILE_SYNCHRONOUS_IO_NONALERT - | FILE_OPEN_FOR_BACKUP_INTENT, - NULL, 0); - if (!NT_SUCCESS (status)) - { - if (io.Information == FILE_EXISTS) - set_errno (EADDRINUSE); - else - __seterrno_from_nt_status (status); - } - else - { - if (pc.has_acls ()) - set_file_attribute (fh, pc, ILLEGAL_UID, ILLEGAL_GID, - S_JUSTCREATED | mode); - char buf[sizeof (SOCKET_COOKIE) + 80]; - __small_sprintf (buf, "%s%u %c ", SOCKET_COOKIE, sin.sin_port, - get_socket_type () == SOCK_STREAM ? 's' - : get_socket_type () == SOCK_DGRAM ? 'd' : '-'); - af_local_set_secret (strchr (buf, '\0')); - DWORD blen = strlen (buf) + 1; - status = NtWriteFile (fh, NULL, NULL, NULL, &io, buf, blen, NULL, 0); - if (!NT_SUCCESS (status)) - { - __seterrno_from_nt_status (status); - FILE_DISPOSITION_INFORMATION fdi = { TRUE }; - status = NtSetInformationFile (fh, &io, &fdi, sizeof fdi, - FileDispositionInformation); - if (!NT_SUCCESS (status)) - debug_printf ("Setting delete dispostion failed, status = %p", - status); - } - else - { - set_sun_path (un_addr->sun_path); - res = 0; - } - NtClose (fh); - } -#undef un_addr - } - else - { - if (!saw_reuseaddr ()) - { - /* If the application didn't explicitely call setsockopt - (SO_REUSEADDR), enforce exclusive local address use using the - SO_EXCLUSIVEADDRUSE socket option, to emulate POSIX socket - behaviour more closely. - - KB 870562: Note that a bug in Win2K SP1-3 and XP up to SP1 only - enables this option for users in the local administrators group. */ - int on = 1; - int ret = ::setsockopt (get_socket (), SOL_SOCKET, - ~(SO_REUSEADDR), - (const char *) &on, sizeof on); - debug_printf ("%d = setsockopt (SO_EXCLUSIVEADDRUSE), %E", ret); - } - else if (!wincap.has_enhanced_socket_security ()) - { - debug_printf ("SO_REUSEADDR set"); - /* There's a bug in SO_REUSEADDR handling in WinSock. - Per standards, we must not be able to reuse a complete - duplicate of a local TCP address (same IP, same port), - even if SO_REUSEADDR has been set. That's unfortunately - possible in WinSock. - - So we're testing here if the local address is already in - use and don't bind, if so. This only works for OSes with - IP Helper support and is, of course, still prone to races. - - However, we don't have to do this on systems supporting - "enhanced socket security" (2K3 and later). On these - systems the default binding behaviour is exactly as you'd - expect for SO_REUSEADDR, while setting SO_REUSEADDR re-enables - the wrong behaviour. So all we have to do on these newer - systems is never to set SO_REUSEADDR but only to note that - it has been set for the above SO_EXCLUSIVEADDRUSE setting. - See setsockopt() in net.cc. */ - if (get_socket_type () == SOCK_STREAM && address_in_use (name)) - { - debug_printf ("Local address in use, don't bind"); - set_errno (EADDRINUSE); - goto out; - } - } - if (::bind (get_socket (), name, namelen)) - set_winsock_errno (); - else - res = 0; - } - -out: - return res; -} - -int -fhandler_socket::connect (const struct sockaddr *name, int namelen) -{ - int res = -1; - bool in_progress = false; - struct sockaddr_storage sst; - DWORD err; - int type; - - if (!get_inet_addr (name, namelen, &sst, &namelen, &type, connect_secret)) - return -1; - - if (get_addr_family () == AF_LOCAL && get_socket_type () != type) - { - WSASetLastError (WSAEPROTOTYPE); - set_winsock_errno (); - return -1; - } - - res = ::connect (get_socket (), (struct sockaddr *) &sst, namelen); - if (!is_nonblocking () - && res == SOCKET_ERROR - && WSAGetLastError () == WSAEWOULDBLOCK) - res = wait_for_events (FD_CONNECT | FD_CLOSE, 0); - - if (!res) - err = 0; - else - { - err = WSAGetLastError (); - /* Special handling for connect to return the correct error code - when called on a non-blocking socket. */ - if (is_nonblocking ()) - { - if (err == WSAEWOULDBLOCK || err == WSAEALREADY) - in_progress = true; - - if (err == WSAEWOULDBLOCK) - WSASetLastError (err = WSAEINPROGRESS); - } - if (err == WSAEINVAL) - WSASetLastError (err = WSAEISCONN); - set_winsock_errno (); - } - - if (get_addr_family () == AF_LOCAL && (!res || in_progress)) - set_peer_sun_path (name->sa_data); - - if (get_addr_family () == AF_LOCAL && get_socket_type () == SOCK_STREAM) - { - af_local_set_cred (); /* Don't move into af_local_connect since - af_local_connect is called from select, - possibly running under another identity. */ - if (!res && af_local_connect ()) - { - set_winsock_errno (); - return -1; - } - } - - if (err == WSAEINPROGRESS || err == WSAEALREADY) - connect_state (connect_pending); - else if (err) - connect_state (connect_failed); - else - connect_state (connected); - - return res; -} - -int -fhandler_socket::listen (int backlog) -{ - int res = ::listen (get_socket (), backlog); - if (res && WSAGetLastError () == WSAEINVAL) - { - /* It's perfectly valid to call listen on an unbound INET socket. - In this case the socket is automatically bound to an unused - port number, listening on all interfaces. On Winsock, listen - fails with WSAEINVAL when it's called on an unbound socket. - So we have to bind manually here to have POSIX semantics. */ - if (get_addr_family () == AF_INET) - { - struct sockaddr_in sin; - sin.sin_family = AF_INET; - sin.sin_port = 0; - sin.sin_addr.s_addr = INADDR_ANY; - if (!::bind (get_socket (), (struct sockaddr *) &sin, sizeof sin)) - res = ::listen (get_socket (), backlog); - } - else if (get_addr_family () == AF_INET6) - { - struct sockaddr_in6 sin6 = - { - sin6_family: AF_INET6, - sin6_port: 0, - sin6_flowinfo: 0, - sin6_addr: {{IN6ADDR_ANY_INIT}}, - sin6_scope_id: 0 - }; - if (!::bind (get_socket (), (struct sockaddr *) &sin6, sizeof sin6)) - res = ::listen (get_socket (), backlog); - } - } - if (!res) - { - if (get_addr_family () == AF_LOCAL && get_socket_type () == SOCK_STREAM) - af_local_set_cred (); - connect_state (connected); - listener (true); - } - else - set_winsock_errno (); - return res; -} - -int -fhandler_socket::accept4 (struct sockaddr *peer, int *len, int flags) -{ - /* Allows NULL peer and len parameters. */ - struct sockaddr_storage lpeer; - int llen = sizeof (struct sockaddr_storage); - - int res = 0; - while (!(res = wait_for_events (FD_ACCEPT | FD_CLOSE, 0)) - && (res = ::accept (get_socket (), (struct sockaddr *) &lpeer, &llen)) - == SOCKET_ERROR - && WSAGetLastError () == WSAEWOULDBLOCK) - ; - if (res == (int) INVALID_SOCKET) - set_winsock_errno (); - else - { - cygheap_fdnew res_fd; - if (res_fd >= 0 && fdsock (res_fd, &dev (), res)) - { - fhandler_socket *sock = (fhandler_socket *) res_fd; - sock->set_addr_family (get_addr_family ()); - sock->set_socket_type (get_socket_type ()); - sock->async_io (false); /* fdsock switches async mode off. */ - if (get_addr_family () == AF_LOCAL) - { - sock->set_sun_path (get_sun_path ()); - sock->set_peer_sun_path (get_peer_sun_path ()); - if (get_socket_type () == SOCK_STREAM) - { - /* Don't forget to copy credentials from accepting - socket to accepted socket and start transaction - on accepted socket! */ - af_local_copy (sock); - res = sock->af_local_accept (); - if (res == -1) - { - res_fd.release (); - set_winsock_errno (); - goto out; - } - } - } - sock->set_nonblocking (flags & SOCK_NONBLOCK); - if (flags & SOCK_CLOEXEC) - sock->set_close_on_exec (true); - /* No locking necessary at this point. */ - sock->wsock_events->events = wsock_events->events | FD_WRITE; - sock->wsock_events->owner = wsock_events->owner; - sock->connect_state (connected); - res = res_fd; - if (peer) - { - if (get_addr_family () == AF_LOCAL) - { - /* FIXME: Right now we have no way to determine the - bound socket name of the peer's socket. For now - we just fake an unbound socket on the other side. */ - static struct sockaddr_un un = { AF_LOCAL, "" }; - memcpy (peer, &un, min (*len, (int) sizeof (un.sun_family))); - *len = (int) sizeof (un.sun_family); - } - else - { - memcpy (peer, &lpeer, min (*len, llen)); - *len = llen; - } - } - } - else - { - closesocket (res); - res = -1; - } - } - -out: - debug_printf ("res %d", res); - return res; -} - -int -fhandler_socket::getsockname (struct sockaddr *name, int *namelen) -{ - int res = -1; - - if (get_addr_family () == AF_LOCAL) - { - struct sockaddr_un sun; - sun.sun_family = AF_LOCAL; - sun.sun_path[0] = '\0'; - if (get_sun_path ()) - strncat (sun.sun_path, get_sun_path (), UNIX_PATH_LEN - 1); - memcpy (name, &sun, min (*namelen, (int) SUN_LEN (&sun) + 1)); - *namelen = (int) SUN_LEN (&sun) + (get_sun_path () ? 1 : 0); - res = 0; - } - else - { - /* Always use a local big enough buffer and truncate later as necessary - per POSIX. WinSock unfortunaltey only returns WSAEFAULT if the buffer - is too small. */ - struct sockaddr_storage sock; - int len = sizeof sock; - res = ::getsockname (get_socket (), (struct sockaddr *) &sock, &len); - if (!res) - { - memcpy (name, &sock, min (*namelen, len)); - *namelen = len; - } - else - { - if (WSAGetLastError () == WSAEINVAL) - { - /* Winsock returns WSAEINVAL if the socket is locally - unbound. Per SUSv3 this is not an error condition. - We're faking a valid return value here by creating the - same content in the sockaddr structure as on Linux. */ - memset (&sock, 0, sizeof sock); - sock.ss_family = get_addr_family (); - switch (get_addr_family ()) - { - case AF_INET: - res = 0; - len = (int) sizeof (struct sockaddr_in); - break; - case AF_INET6: - res = 0; - len = (int) sizeof (struct sockaddr_in6); - break; - default: - WSASetLastError (WSAEOPNOTSUPP); - break; - } - if (!res) - { - memcpy (name, &sock, min (*namelen, len)); - *namelen = len; - } - } - if (res) - set_winsock_errno (); - } - } - - return res; -} - -int -fhandler_socket::getpeername (struct sockaddr *name, int *namelen) -{ - /* Always use a local big enough buffer and truncate later as necessary - per POSIX. WinSock unfortunately only returns WSAEFAULT if the buffer - is too small. */ - struct sockaddr_storage sock; - int len = sizeof sock; - int res = ::getpeername (get_socket (), (struct sockaddr *) &sock, &len); - if (res) - set_winsock_errno (); - else if (get_addr_family () == AF_LOCAL) - { - struct sockaddr_un sun; - memset (&sun, 0, sizeof sun); - sun.sun_family = AF_LOCAL; - sun.sun_path[0] = '\0'; - if (get_peer_sun_path ()) - strncat (sun.sun_path, get_peer_sun_path (), UNIX_PATH_LEN - 1); - memcpy (name, &sun, min (*namelen, (int) SUN_LEN (&sun) + 1)); - *namelen = (int) SUN_LEN (&sun) + (get_peer_sun_path () ? 1 : 0); - } - else - { - memcpy (name, &sock, min (*namelen, len)); - *namelen = len; - } - - return res; -} - -int -fhandler_socket::readv (const struct iovec *const iov, const int iovcnt, - ssize_t tot) -{ - struct msghdr msg = - { - msg_name: NULL, - msg_namelen: 0, - msg_iov: (struct iovec *) iov, // const_cast - msg_iovlen: iovcnt, - msg_control: NULL, - msg_controllen: 0, - msg_flags: 0 - }; - - return recvmsg (&msg, 0); -} - -extern "C" { -#define WSAID_WSARECVMSG \ - {0xf689d7c8,0x6f1f,0x436b,{0x8a,0x53,0xe5,0x4f,0xe3,0x51,0xc3,0x22}}; -typedef int (WSAAPI *LPFN_WSARECVMSG)(SOCKET,LPWSAMSG,LPDWORD,LPWSAOVERLAPPED, - LPWSAOVERLAPPED_COMPLETION_ROUTINE); -int WSAAPI WSASendMsg(SOCKET,LPWSAMSG,DWORD,LPDWORD, LPWSAOVERLAPPED, - LPWSAOVERLAPPED_COMPLETION_ROUTINE); -}; - -/* There's no DLL which exports the symbol WSARecvMsg. One has to call - WSAIoctl as below to fetch the function pointer. Why on earth did the - MS developers decide not to export a normal symbol for these extension - functions? */ -inline int -get_ext_funcptr (SOCKET sock, void *funcptr) -{ - DWORD bret; - const GUID guid = WSAID_WSARECVMSG; - return WSAIoctl (sock, SIO_GET_EXTENSION_FUNCTION_POINTER, - (void *) &guid, sizeof (GUID), funcptr, sizeof (void *), - &bret, NULL, NULL); -} - -inline ssize_t -fhandler_socket::recv_internal (LPWSAMSG wsamsg) -{ - ssize_t res = 0; - DWORD ret = 0, wret; - int evt_mask = FD_READ | ((wsamsg->dwFlags & MSG_OOB) ? FD_OOB : 0); - LPWSABUF &wsabuf = wsamsg->lpBuffers; - ULONG &wsacnt = wsamsg->dwBufferCount; - bool use_recvmsg = false; - static NO_COPY LPFN_WSARECVMSG WSARecvMsg; - - DWORD wait_flags = wsamsg->dwFlags; - bool waitall = !!(wait_flags & MSG_WAITALL); - wsamsg->dwFlags &= (MSG_OOB | MSG_PEEK | MSG_DONTROUTE); - if (wsamsg->Control.len > 0) - { - if (!WSARecvMsg - && get_ext_funcptr (get_socket (), &WSARecvMsg) == SOCKET_ERROR) - { - set_winsock_errno (); - return SOCKET_ERROR; - } - use_recvmsg = true; - } - if (waitall) - { - if (get_socket_type () != SOCK_STREAM) - { - WSASetLastError (WSAEOPNOTSUPP); - set_winsock_errno (); - return SOCKET_ERROR; - } - if (is_nonblocking () || (wsamsg->dwFlags & (MSG_OOB | MSG_PEEK))) - waitall = false; - } - - /* Note: Don't call WSARecvFrom(MSG_PEEK) without actually having data - waiting in the buffers, otherwise the event handling gets messed up - for some reason. */ - while (!(res = wait_for_events (evt_mask | FD_CLOSE, wait_flags)) - || saw_shutdown_read ()) - { - if (use_recvmsg) - res = WSARecvMsg (get_socket (), wsamsg, &wret, NULL, NULL); - /* This is working around a really weird problem in WinSock. - - Assume you create a socket, fork the process (thus duplicating - the socket), connect the socket in the child, then call recv - on the original socket handle in the parent process. - In this scenario, calls to WinSock's recvfrom and WSARecvFrom - in the parent will fail with WSAEINVAL, regardless whether both - address parameters, name and namelen, are NULL or point to valid - storage. However, calls to recv and WSARecv succeed as expected. - Per MSDN, WSAEINVAL in the context of recv means "The socket has not - been bound". It is as if the recvfrom functions test if the socket - is bound locally, but in the parent process, WinSock doesn't know - about that and fails, while the same test is omitted in the recv - functions. - - This also covers another weird case: Winsock returns WSAEFAULT if - namelen is a valid pointer while name is NULL. Both parameters are - ignored for TCP sockets, so this only occurs when using UDP socket. */ - else if (!wsamsg->name || get_socket_type () == SOCK_STREAM) - res = WSARecv (get_socket (), wsabuf, wsacnt, &wret, &wsamsg->dwFlags, - NULL, NULL); - else - res = WSARecvFrom (get_socket (), wsabuf, wsacnt, &wret, - &wsamsg->dwFlags, wsamsg->name, &wsamsg->namelen, - NULL, NULL); - if (!res) - { - ret += wret; - if (!waitall) - break; - while (wret && wsacnt) - { - if (wsabuf->len > wret) - { - wsabuf->len -= wret; - wsabuf->buf += wret; - wret = 0; - } - else - { - wret -= wsabuf->len; - ++wsabuf; - --wsacnt; - } - } - if (!wret) - break; - } - else if (WSAGetLastError () != WSAEWOULDBLOCK) - break; - } - - if (res) - { - /* According to SUSv3, errno isn't set in that case and no error - condition is returned. */ - if (WSAGetLastError () == WSAEMSGSIZE) - return ret + wret; - - if (!ret) - { - /* ESHUTDOWN isn't defined for recv in SUSv3. Simply EOF is returned - in this case. */ - if (WSAGetLastError () == WSAESHUTDOWN) - return 0; - - set_winsock_errno (); - return SOCKET_ERROR; - } - } - - return ret; -} - -ssize_t -fhandler_socket::recvfrom (void *ptr, size_t len, int flags, - struct sockaddr *from, int *fromlen) -{ - WSABUF wsabuf = { len, (char *) ptr }; - WSAMSG wsamsg = { from, from && fromlen ? *fromlen : 0, - &wsabuf, 1, - { 0, NULL}, - flags }; - ssize_t ret = recv_internal (&wsamsg); - if (fromlen) - *fromlen = wsamsg.namelen; - return ret; -} - -ssize_t -fhandler_socket::recvmsg (struct msghdr *msg, int flags) -{ - /* TODO: Descriptor passing on AF_LOCAL sockets. */ - - /* Disappointing but true: Even if WSARecvMsg is supported, it's only - supported for datagram and raw sockets. */ - if (!wincap.has_recvmsg () || get_socket_type () == SOCK_STREAM - || get_addr_family () == AF_LOCAL) - { - msg->msg_controllen = 0; - if (!CYGWIN_VERSION_CHECK_FOR_USING_ANCIENT_MSGHDR) - msg->msg_flags = 0; - } - - WSABUF wsabuf[msg->msg_iovlen]; - WSABUF *wsaptr = wsabuf + msg->msg_iovlen; - const struct iovec *iovptr = msg->msg_iov + msg->msg_iovlen; - while (--wsaptr >= wsabuf) - { - wsaptr->len = (--iovptr)->iov_len; - wsaptr->buf = (char *) iovptr->iov_base; - } - WSAMSG wsamsg = { (struct sockaddr *) msg->msg_name, msg->msg_namelen, - wsabuf, msg->msg_iovlen, - { msg->msg_controllen, (char *) msg->msg_control }, - flags }; - ssize_t ret = recv_internal (&wsamsg); - if (ret >= 0) - { - msg->msg_namelen = wsamsg.namelen; - msg->msg_controllen = wsamsg.Control.len; - if (!CYGWIN_VERSION_CHECK_FOR_USING_ANCIENT_MSGHDR) - msg->msg_flags = wsamsg.dwFlags; - } - return ret; -} - -int -fhandler_socket::writev (const struct iovec *const iov, const int iovcnt, - ssize_t tot) -{ - struct msghdr msg = - { - msg_name: NULL, - msg_namelen: 0, - msg_iov: (struct iovec *) iov, // const_cast - msg_iovlen: iovcnt, - msg_control: NULL, - msg_controllen: 0, - msg_flags: 0 - }; - - return sendmsg (&msg, 0); -} - -inline ssize_t -fhandler_socket::send_internal (struct _WSAMSG *wsamsg, int flags) -{ - int res = 0; - DWORD ret = 0, err = 0, sum = 0, off = 0; - WSABUF buf; - bool use_sendmsg = false; - DWORD wait_flags = flags & MSG_DONTWAIT; - bool nosignal = !(flags & MSG_NOSIGNAL); - - flags &= (MSG_OOB | MSG_DONTROUTE); - if (wsamsg->Control.len > 0) - use_sendmsg = true; - for (DWORD i = 0; i < wsamsg->dwBufferCount; - off >= wsamsg->lpBuffers[i].len && (++i, off = 0)) - { - /* CV 2009-12-02: Don't split datagram messages. */ - /* FIXME: Look for a way to split a message into the least number of - pieces to minimize the number of WsaSendTo calls. */ - if (get_socket_type () == SOCK_STREAM) - { - buf.buf = wsamsg->lpBuffers[i].buf + off; - buf.len = wsamsg->lpBuffers[i].len - off; - /* See net.cc:fdsock() and MSDN KB 823764 */ - if (buf.len >= (unsigned) wmem ()) - buf.len = (unsigned) wmem (); - } - - do - { - if (use_sendmsg) - res = WSASendMsg (get_socket (), wsamsg, flags, &ret, NULL, NULL); - else if (get_socket_type () == SOCK_STREAM) - res = WSASendTo (get_socket (), &buf, 1, &ret, flags, - wsamsg->name, wsamsg->namelen, NULL, NULL); - else - res = WSASendTo (get_socket (), wsamsg->lpBuffers, - wsamsg->dwBufferCount, &ret, flags, - wsamsg->name, wsamsg->namelen, NULL, NULL); - if (res && (err = WSAGetLastError ()) == WSAEWOULDBLOCK) - { - LOCK_EVENTS; - wsock_events->events &= ~FD_WRITE; - UNLOCK_EVENTS; - } - } - while (res && err == WSAEWOULDBLOCK - && !(res = wait_for_events (FD_WRITE | FD_CLOSE, wait_flags))); - - if (!res) - { - off += ret; - sum += ret; - if (get_socket_type () != SOCK_STREAM) - break; - } - else if (is_nonblocking () || err != WSAEWOULDBLOCK) - break; - } - - if (sum) - res = sum; - else if (res == SOCKET_ERROR) - { - set_winsock_errno (); - - /* Special handling for EPIPE and SIGPIPE. - - EPIPE is generated if the local end has been shut down on a connection - oriented socket. In this case the process will also receive a SIGPIPE - unless MSG_NOSIGNAL is set. */ - if (get_errno () == ESHUTDOWN && get_socket_type () == SOCK_STREAM) - { - set_errno (EPIPE); - if (!nosignal) - raise (SIGPIPE); - } - } - - return res; -} - -ssize_t -fhandler_socket::sendto (const void *ptr, size_t len, int flags, - const struct sockaddr *to, int tolen) -{ - struct sockaddr_storage sst; - - if (to && !get_inet_addr (to, tolen, &sst, &tolen)) - return SOCKET_ERROR; - - WSABUF wsabuf = { len, (char *) ptr }; - WSAMSG wsamsg = { to ? (struct sockaddr *) &sst : NULL, tolen, - &wsabuf, 1, - { 0, NULL}, - 0 }; - return send_internal (&wsamsg, flags); -} - -int -fhandler_socket::sendmsg (const struct msghdr *msg, int flags) -{ - /* TODO: Descriptor passing on AF_LOCAL sockets. */ - - WSABUF wsabuf[msg->msg_iovlen]; - WSABUF *wsaptr = wsabuf; - const struct iovec *iovptr = msg->msg_iov; - for (int i = 0; i < msg->msg_iovlen; ++i) - { - wsaptr->len = iovptr->iov_len; - (wsaptr++)->buf = (char *) (iovptr++)->iov_base; - } - WSAMSG wsamsg = { (struct sockaddr *) msg->msg_name, msg->msg_namelen, - wsabuf, msg->msg_iovlen, - /* Disappointing but true: Even if WSASendMsg is - supported, it's only supported for datagram and - raw sockets. */ - { !wincap.has_sendmsg () - || get_socket_type () == SOCK_STREAM - || get_addr_family () == AF_LOCAL - ? 0 : msg->msg_controllen, (char *) msg->msg_control }, - 0 }; - return send_internal (&wsamsg, flags); -} - -int -fhandler_socket::shutdown (int how) -{ - int res = ::shutdown (get_socket (), how); - - if (res) - set_winsock_errno (); - else - switch (how) - { - case SHUT_RD: - saw_shutdown_read (true); - break; - case SHUT_WR: - saw_shutdown_write (true); - break; - case SHUT_RDWR: - saw_shutdown_read (true); - saw_shutdown_write (true); - break; - } - return res; -} - -int -fhandler_socket::close () -{ - int res = 0; - /* TODO: CV - 2008-04-16. Lingering disabled. The original problem - could be no longer reproduced on NT4, XP, 2K8. Any return of a - spurious "Connection reset by peer" *could* be caused by disabling - the linger code here... */ -#if 0 - /* HACK to allow a graceful shutdown even if shutdown() hasn't been - called by the application. Note that this isn't the ultimate - solution but it helps in many cases. */ - struct linger linger; - linger.l_onoff = 1; - linger.l_linger = 240; /* secs. default 2MSL value according to MSDN. */ - setsockopt (get_socket (), SOL_SOCKET, SO_LINGER, - (const char *)&linger, sizeof linger); -#endif - release_events (); - while ((res = closesocket (get_socket ())) != 0) - { - if (WSAGetLastError () != WSAEWOULDBLOCK) - { - set_winsock_errno (); - res = -1; - break; - } - if (WaitForSingleObject (signal_arrived, 10) == WAIT_OBJECT_0) - { - set_errno (EINTR); - res = -1; - break; - } - WSASetLastError (0); - } - - debug_printf ("%d = fhandler_socket::close()", res); - return res; -} - -/* Definitions of old ifreq stuff used prior to Cygwin 1.7.0. */ -#define OLD_SIOCGIFFLAGS _IOW('s', 101, struct __old_ifreq) -#define OLD_SIOCGIFADDR _IOW('s', 102, struct __old_ifreq) -#define OLD_SIOCGIFBRDADDR _IOW('s', 103, struct __old_ifreq) -#define OLD_SIOCGIFNETMASK _IOW('s', 104, struct __old_ifreq) -#define OLD_SIOCGIFHWADDR _IOW('s', 105, struct __old_ifreq) -#define OLD_SIOCGIFMETRIC _IOW('s', 106, struct __old_ifreq) -#define OLD_SIOCGIFMTU _IOW('s', 107, struct __old_ifreq) -#define OLD_SIOCGIFINDEX _IOW('s', 108, struct __old_ifreq) - -#define CONV_OLD_TO_NEW_SIO(old) (((old)&0xff00ffff)|(((long)sizeof(struct ifreq)&IOCPARM_MASK)<<16)) - -struct __old_ifreq { -#define __OLD_IFNAMSIZ 16 - union { - char ifrn_name[__OLD_IFNAMSIZ]; /* if name, e.g. "en0" */ - } ifr_ifrn; - - union { - struct sockaddr ifru_addr; - struct sockaddr ifru_broadaddr; - struct sockaddr ifru_netmask; - struct sockaddr ifru_hwaddr; - short ifru_flags; - int ifru_metric; - int ifru_mtu; - int ifru_ifindex; - } ifr_ifru; -}; - -int -fhandler_socket::ioctl (unsigned int cmd, void *p) -{ - extern int get_ifconf (struct ifconf *ifc, int what); /* net.cc */ - int res; - struct ifconf ifc, *ifcp; - struct ifreq *ifrp; - - switch (cmd) - { - case SIOCGIFCONF: - ifcp = (struct ifconf *) p; - if (!ifcp) - { - set_errno (EINVAL); - return -1; - } - if (CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ) - { - ifc.ifc_len = ifcp->ifc_len / sizeof (struct __old_ifreq) - * sizeof (struct ifreq); - ifc.ifc_buf = (caddr_t) alloca (ifc.ifc_len); - } - else - { - ifc.ifc_len = ifcp->ifc_len; - ifc.ifc_buf = ifcp->ifc_buf; - } - res = get_ifconf (&ifc, cmd); - if (res) - debug_printf ("error in get_ifconf"); - if (CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ) - { - struct __old_ifreq *ifr = (struct __old_ifreq *) ifcp->ifc_buf; - for (ifrp = ifc.ifc_req; - (caddr_t) ifrp < ifc.ifc_buf + ifc.ifc_len; - ++ifrp, ++ifr) - { - memcpy (&ifr->ifr_ifrn, &ifrp->ifr_ifrn, sizeof ifr->ifr_ifrn); - ifr->ifr_name[__OLD_IFNAMSIZ - 1] = '\0'; - memcpy (&ifr->ifr_ifru, &ifrp->ifr_ifru, sizeof ifr->ifr_ifru); - } - ifcp->ifc_len = ifc.ifc_len / sizeof (struct ifreq) - * sizeof (struct __old_ifreq); - } - else - ifcp->ifc_len = ifc.ifc_len; - break; - case OLD_SIOCGIFFLAGS: - case OLD_SIOCGIFADDR: - case OLD_SIOCGIFBRDADDR: - case OLD_SIOCGIFNETMASK: - case OLD_SIOCGIFHWADDR: - case OLD_SIOCGIFMETRIC: - case OLD_SIOCGIFMTU: - case OLD_SIOCGIFINDEX: - cmd = CONV_OLD_TO_NEW_SIO (cmd); - /*FALLTHRU*/ - case SIOCGIFFLAGS: - case SIOCGIFBRDADDR: - case SIOCGIFNETMASK: - case SIOCGIFADDR: - case SIOCGIFHWADDR: - case SIOCGIFMETRIC: - case SIOCGIFMTU: - case SIOCGIFINDEX: - case SIOCGIFFRNDLYNAM: - case SIOCGIFDSTADDR: - { - if (!p) - { - debug_printf ("ifr == NULL"); - set_errno (EINVAL); - return -1; - } - - if (cmd > SIOCGIFINDEX && CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ) - { - debug_printf ("cmd not supported on this platform"); - set_errno (EINVAL); - return -1; - } - ifc.ifc_len = 64 * sizeof (struct ifreq); - ifc.ifc_buf = (caddr_t) alloca (ifc.ifc_len); - if (cmd == SIOCGIFFRNDLYNAM) - { - struct ifreq_frndlyname *iff = (struct ifreq_frndlyname *) - alloca (64 * sizeof (struct ifreq_frndlyname)); - for (int i = 0; i < 64; ++i) - ifc.ifc_req[i].ifr_frndlyname = &iff[i]; - } - - res = get_ifconf (&ifc, cmd); - if (res) - { - debug_printf ("error in get_ifconf"); - break; - } - - if (CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ) - { - struct __old_ifreq *ifr = (struct __old_ifreq *) p; - debug_printf (" name: %s", ifr->ifr_name); - for (ifrp = ifc.ifc_req; - (caddr_t) ifrp < ifc.ifc_buf + ifc.ifc_len; - ++ifrp) - { - debug_printf ("testname: %s", ifrp->ifr_name); - if (! strcmp (ifrp->ifr_name, ifr->ifr_name)) - { - memcpy (&ifr->ifr_ifru, &ifrp->ifr_ifru, - sizeof ifr->ifr_ifru); - break; - } - } - } - else - { - struct ifreq *ifr = (struct ifreq *) p; - debug_printf (" name: %s", ifr->ifr_name); - for (ifrp = ifc.ifc_req; - (caddr_t) ifrp < ifc.ifc_buf + ifc.ifc_len; - ++ifrp) - { - debug_printf ("testname: %s", ifrp->ifr_name); - if (! strcmp (ifrp->ifr_name, ifr->ifr_name)) - { - if (cmd == SIOCGIFFRNDLYNAM) - /* The application has to care for the space. */ - memcpy (ifr->ifr_frndlyname, ifrp->ifr_frndlyname, - sizeof (struct ifreq_frndlyname)); - else - memcpy (&ifr->ifr_ifru, &ifrp->ifr_ifru, - sizeof ifr->ifr_ifru); - break; - } - } - } - if ((caddr_t) ifrp >= ifc.ifc_buf + ifc.ifc_len) - { - set_errno (EINVAL); - return -1; - } - break; - } - case FIOASYNC: - res = WSAAsyncSelect (get_socket (), winmsg, WM_ASYNCIO, - *(int *) p ? ASYNC_MASK : 0); - syscall_printf ("Async I/O on socket %s", - *(int *) p ? "started" : "cancelled"); - async_io (*(int *) p != 0); - /* If async_io is switched off, revert the event handling. */ - if (*(int *) p == 0) - WSAEventSelect (get_socket (), wsock_evt, EVENT_MASK); - break; - case FIONREAD: - res = ioctlsocket (get_socket (), FIONREAD, (unsigned long *) p); - if (res == SOCKET_ERROR) - set_winsock_errno (); - break; - default: - /* Sockets are always non-blocking internally. So we just note the - state here. */ - if (cmd == FIONBIO) - { - syscall_printf ("socket is now %sblocking", - *(int *) p ? "non" : ""); - set_nonblocking (*(int *) p); - res = 0; - } - else - res = ioctlsocket (get_socket (), cmd, (unsigned long *) p); - break; - } - syscall_printf ("%d = ioctl_socket (%x, %x)", res, cmd, p); - return res; -} - -int -fhandler_socket::fcntl (int cmd, void *arg) -{ - int res = 0; - int request, current; - - switch (cmd) - { - case F_SETOWN: - { - pid_t pid = (pid_t) arg; - LOCK_EVENTS; - wsock_events->owner = pid; - UNLOCK_EVENTS; - debug_printf ("owner set to %d", pid); - } - break; - case F_GETOWN: - res = wsock_events->owner; - break; - case F_SETFL: - { - /* Carefully test for the O_NONBLOCK or deprecated OLD_O_NDELAY flag. - Set only the flag that has been passed in. If both are set, just - record O_NONBLOCK. */ - int new_flags = (int) arg & O_NONBLOCK_MASK; - if ((new_flags & OLD_O_NDELAY) && (new_flags & O_NONBLOCK)) - new_flags = O_NONBLOCK; - current = get_flags () & O_NONBLOCK_MASK; - request = new_flags ? 1 : 0; - if (!!current != !!new_flags && (res = ioctl (FIONBIO, &request))) - break; - set_flags ((get_flags () & ~O_NONBLOCK_MASK) | new_flags); - break; - } - default: - res = fhandler_base::fcntl (cmd, arg); - break; - } - return res; -} - -void -fhandler_socket::set_close_on_exec (bool val) -{ - set_no_inheritance (wsock_mtx, val); - set_no_inheritance (wsock_evt, val); - if (need_fixup_before ()) - { - close_on_exec (val); - debug_printf ("set close_on_exec for %s to %d", get_name (), val); - } - else - fhandler_base::set_close_on_exec (val); -} - -void -fhandler_socket::set_sun_path (const char *path) -{ - sun_path = path ? cstrdup (path) : NULL; -} - -void -fhandler_socket::set_peer_sun_path (const char *path) -{ - peer_sun_path = path ? cstrdup (path) : NULL; -} - -int -fhandler_socket::getpeereid (pid_t *pid, __uid32_t *euid, __gid32_t *egid) -{ - if (get_addr_family () != AF_LOCAL || get_socket_type () != SOCK_STREAM) - { - set_errno (EINVAL); - return -1; - } - if (connect_state () != connected) - { - set_errno (ENOTCONN); - return -1; - } - if (sec_peer_pid == (pid_t) 0) - { - set_errno (ENOTCONN); /* Usually when calling getpeereid on - accepting (instead of accepted) socket. */ - return -1; - } - - myfault efault; - if (efault.faulted (EFAULT)) - return -1; - if (pid) - *pid = sec_peer_pid; - if (euid) - *euid = sec_peer_uid; - if (egid) - *egid = sec_peer_gid; - return 0; -} |