diff options
author | cvs2svn <> | 2004-05-04 00:18:00 +0400 |
---|---|---|
committer | cvs2svn <> | 2004-05-04 00:18:00 +0400 |
commit | 7198e96ef84366ba3bf74d3b2fa9e57ad922c7e9 (patch) | |
tree | 779d1965f54f1b4124e2f9f8ed442c062a09b2cd /winsup/cygwin/path.cc | |
parent | 1af84bb7f58c0aecfc1b5c6b6685e14afe36785e (diff) |
This commit was manufactured by cvs2svn to create tag 'csl-arm-2004-q1a'.csl-arm-2004-q1a
Sprout from master 2004-05-03 20:17:59 UTC Jeff Johnston <jjohnstn@redhat.com> ''
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
COPYING
COPYING.LIB
README
config/mh-armpic
config/mh-elfalphapic
config/mh-m68kpic
config/mh-papic
config/mh-ppcpic
config/mh-x86pic
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
etc/configure
etc/configure.in
include/aout/hp.h
include/aout/hppa.h
include/coff/sym.h
include/coff/symconst.h
include/fopen-bin.h
include/fopen-same.h
include/fopen-vms.h
include/gdbm.h
include/nlm/ppc-ext.h
include/opcode/mn10200.h
include/opcode/tahoe.h
include/opcode/tic30.h
makefile.vms
move-if-change
setup.com
ylwrap
Delete:
djunpack.bat
winsup/CYGWIN_LICENSE
winsup/ChangeLog
winsup/Makefile.common
winsup/Makefile.in
winsup/bz2lib/CHANGES
winsup/bz2lib/ChangeLog
winsup/bz2lib/LICENSE
winsup/bz2lib/Makefile
winsup/bz2lib/Makefile-libbz2_so
winsup/bz2lib/Makefile.in
winsup/bz2lib/README
winsup/bz2lib/README.COMPILATION.PROBLEMS
winsup/bz2lib/Y2K_INFO
winsup/bz2lib/aclocal.m4
winsup/bz2lib/blocksort.c
winsup/bz2lib/bzip2.1
winsup/bz2lib/bzip2.1.preformatted
winsup/bz2lib/bzip2.c
winsup/bz2lib/bzip2.txt
winsup/bz2lib/bzip2recover.c
winsup/bz2lib/bzlib.c
winsup/bz2lib/bzlib.h
winsup/bz2lib/bzlib_private.h
winsup/bz2lib/compress.c
winsup/bz2lib/configure
winsup/bz2lib/configure.in
winsup/bz2lib/crctable.c
winsup/bz2lib/decompress.c
winsup/bz2lib/dlltest.c
winsup/bz2lib/dlltest.dsp
winsup/bz2lib/huffman.c
winsup/bz2lib/libbz2.def
winsup/bz2lib/libbz2.dsp
winsup/bz2lib/makefile.msc
winsup/bz2lib/manual.ps
winsup/bz2lib/manual.texi
winsup/bz2lib/manual_1.html
winsup/bz2lib/manual_2.html
winsup/bz2lib/manual_3.html
winsup/bz2lib/manual_4.html
winsup/bz2lib/manual_toc.html
winsup/bz2lib/randtable.c
winsup/bz2lib/sample1.bz2
winsup/bz2lib/sample1.ref
winsup/bz2lib/sample2.bz2
winsup/bz2lib/sample2.ref
winsup/bz2lib/sample3.bz2
winsup/bz2lib/sample3.ref
winsup/bz2lib/spewG.c
winsup/bz2lib/unzcrash.c
winsup/bz2lib/words0
winsup/bz2lib/words1
winsup/bz2lib/words2
winsup/bz2lib/words3
winsup/configure
winsup/configure.in
winsup/cygserver/ChangeLog
winsup/cygserver/Makefile.in
winsup/cygserver/README
winsup/cygserver/bsd_helper.cc
winsup/cygserver/bsd_helper.h
winsup/cygserver/bsd_log.cc
winsup/cygserver/bsd_log.h
winsup/cygserver/bsd_mutex.cc
winsup/cygserver/bsd_mutex.h
winsup/cygserver/client.cc
winsup/cygserver/configure
winsup/cygserver/configure.in
winsup/cygserver/cygserver-config
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/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/transport_sockets.cc
winsup/cygserver/transport_sockets.h
winsup/cygserver/woutsup.h
winsup/cygwin/CYGWIN_LICENSE
winsup/cygwin/ChangeLog
winsup/cygwin/ChangeLog-1995
winsup/cygwin/ChangeLog-1996
winsup/cygwin/ChangeLog-1997
winsup/cygwin/ChangeLog-1998
winsup/cygwin/ChangeLog-1999
winsup/cygwin/ChangeLog-2000
winsup/cygwin/ChangeLog-2001
winsup/cygwin/ChangeLog-2002
winsup/cygwin/ChangeLog-2003
winsup/cygwin/Makefile.in
winsup/cygwin/ROADMAP
winsup/cygwin/acconfig.h
winsup/cygwin/ansi.sgml
winsup/cygwin/assert.cc
winsup/cygwin/autoload.cc
winsup/cygwin/automode.c
winsup/cygwin/binmode.c
winsup/cygwin/child_info.h
winsup/cygwin/config.h.in
winsup/cygwin/config/i386/profile.h
winsup/cygwin/configure
winsup/cygwin/configure.in
winsup/cygwin/cpuid.h
winsup/cygwin/crt0.c
winsup/cygwin/cxx.cc
winsup/cygwin/cygerrno.h
winsup/cygwin/cygheap.cc
winsup/cygwin/cygheap.h
winsup/cygwin/cygmagic
winsup/cygwin/cygmalloc.h
winsup/cygwin/cygserver.h
winsup/cygwin/cygserver_ipc.h
winsup/cygwin/cygserver_msg.h
winsup/cygwin/cygserver_sem.h
winsup/cygwin/cygserver_shm.h
winsup/cygwin/cygthread.cc
winsup/cygwin/cygthread.h
winsup/cygwin/cygtls.cc
winsup/cygwin/cygtls.h
winsup/cygwin/cygwin-shilka
winsup/cygwin/cygwin.din
winsup/cygwin/cygwin.sc
winsup/cygwin/cygwin_version.h
winsup/cygwin/dcrt0.cc
winsup/cygwin/debug.cc
winsup/cygwin/debug.h
winsup/cygwin/delqueue.cc
winsup/cygwin/devices.cc
winsup/cygwin/devices.h
winsup/cygwin/devices.in
winsup/cygwin/dir.cc
winsup/cygwin/dlfcn.cc
winsup/cygwin/dll_init.cc
winsup/cygwin/dll_init.h
winsup/cygwin/dll_init.sgml
winsup/cygwin/dlmalloc.c
winsup/cygwin/dlmalloc.h
winsup/cygwin/dtable.cc
winsup/cygwin/dtable.h
winsup/cygwin/dtable.sgml
winsup/cygwin/environ.cc
winsup/cygwin/environ.h
winsup/cygwin/errno.cc
winsup/cygwin/exceptions.cc
winsup/cygwin/exec.cc
winsup/cygwin/external.cc
winsup/cygwin/external.sgml
winsup/cygwin/fcntl.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_mem.cc
winsup/cygwin/fhandler_nodevice.cc
winsup/cygwin/fhandler_proc.cc
winsup/cygwin/fhandler_process.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_windows.cc
winsup/cygwin/fhandler_zero.cc
winsup/cygwin/flock.cc
winsup/cygwin/fork.cc
winsup/cygwin/gcrt0.c
winsup/cygwin/gendef
winsup/cygwin/gendevices
winsup/cygwin/gentls_offsets
winsup/cygwin/glob.c
winsup/cygwin/gmon.c
winsup/cygwin/gmon.h
winsup/cygwin/grp.cc
winsup/cygwin/heap.cc
winsup/cygwin/heap.h
winsup/cygwin/hires.h
winsup/cygwin/how-autoload-works.txt
winsup/cygwin/how-cygheap-works.txt
winsup/cygwin/how-fhandlers-work.txt
winsup/cygwin/how-signals-work.txt
winsup/cygwin/how-spawn-works.txt
winsup/cygwin/how-to-debug-cygwin.txt
winsup/cygwin/how-vfork-works.txt
winsup/cygwin/include/a.out.h
winsup/cygwin/include/arpa/ftp.h
winsup/cygwin/include/arpa/inet.h
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/cygwin/_types.h
winsup/cygwin/include/cygwin/acl.h
winsup/cygwin/include/cygwin/config.h
winsup/cygwin/include/cygwin/core_dump.h
winsup/cygwin/include/cygwin/cygwin_dll.h
winsup/cygwin/include/cygwin/fs.h
winsup/cygwin/include/cygwin/grp.h
winsup/cygwin/include/cygwin/hdreg.h
winsup/cygwin/include/cygwin/icmp.h
winsup/cygwin/include/cygwin/if.h
winsup/cygwin/include/cygwin/in.h
winsup/cygwin/include/cygwin/in_systm.h
winsup/cygwin/include/cygwin/ipc.h
winsup/cygwin/include/cygwin/msg.h
winsup/cygwin/include/cygwin/mtio.h
winsup/cygwin/include/cygwin/rdevio.h
winsup/cygwin/include/cygwin/sem.h
winsup/cygwin/include/cygwin/shm.h
winsup/cygwin/include/cygwin/signal.h
winsup/cygwin/include/cygwin/socket.h
winsup/cygwin/include/cygwin/sockios.h
winsup/cygwin/include/cygwin/stat.h
winsup/cygwin/include/cygwin/sysproto.h
winsup/cygwin/include/cygwin/types.h
winsup/cygwin/include/cygwin/uio.h
winsup/cygwin/include/cygwin/version.h
winsup/cygwin/include/dlfcn.h
winsup/cygwin/include/err.h
winsup/cygwin/include/exceptions.h
winsup/cygwin/include/fcntl.h
winsup/cygwin/include/features.h
winsup/cygwin/include/fnmatch.h
winsup/cygwin/include/getopt.h
winsup/cygwin/include/glob.h
winsup/cygwin/include/icmp.h
winsup/cygwin/include/inttypes.h
winsup/cygwin/include/io.h
winsup/cygwin/include/lastlog.h
winsup/cygwin/include/limits.h
winsup/cygwin/include/mapi.h
winsup/cygwin/include/memory.h
winsup/cygwin/include/mntent.h
winsup/cygwin/include/net/if.h
winsup/cygwin/include/netdb.h
winsup/cygwin/include/netinet/in.h
winsup/cygwin/include/netinet/in_systm.h
winsup/cygwin/include/netinet/ip.h
winsup/cygwin/include/netinet/ip_icmp.h
winsup/cygwin/include/netinet/tcp.h
winsup/cygwin/include/netinet/udp.h
winsup/cygwin/include/paths.h
winsup/cygwin/include/poll.h
winsup/cygwin/include/pthread.h
winsup/cygwin/include/pty.h
winsup/cygwin/include/sched.h
winsup/cygwin/include/semaphore.h
winsup/cygwin/include/stdint.h
winsup/cygwin/include/strings.h
winsup/cygwin/include/sys/acl.h
winsup/cygwin/include/sys/cdefs.h
winsup/cygwin/include/sys/copying.dj
winsup/cygwin/include/sys/cygwin.h
winsup/cygwin/include/sys/dirent.h
winsup/cygwin/include/sys/file.h
winsup/cygwin/include/sys/ioctl.h
winsup/cygwin/include/sys/ipc.h
winsup/cygwin/include/sys/lock.h
winsup/cygwin/include/sys/mman.h
winsup/cygwin/include/sys/mount.h
winsup/cygwin/include/sys/msg.h
winsup/cygwin/include/sys/mtio.h
winsup/cygwin/include/sys/param.h
winsup/cygwin/include/sys/poll.h
winsup/cygwin/include/sys/procfs.h
winsup/cygwin/include/sys/queue.h
winsup/cygwin/include/sys/resource.h
winsup/cygwin/include/sys/select.h
winsup/cygwin/include/sys/sem.h
winsup/cygwin/include/sys/shm.h
winsup/cygwin/include/sys/smallprint.h
winsup/cygwin/include/sys/socket.h
winsup/cygwin/include/sys/soundcard.h
winsup/cygwin/include/sys/statfs.h
winsup/cygwin/include/sys/stdio.h
winsup/cygwin/include/sys/strace.h
winsup/cygwin/include/sys/syslog.h
winsup/cygwin/include/sys/sysmacros.h
winsup/cygwin/include/sys/sysproto.h
winsup/cygwin/include/sys/termio.h
winsup/cygwin/include/sys/termios.h
winsup/cygwin/include/sys/ttychars.h
winsup/cygwin/include/sys/uio.h
winsup/cygwin/include/sys/un.h
winsup/cygwin/include/sys/utime.h
winsup/cygwin/include/sys/utmp.h
winsup/cygwin/include/sys/utsname.h
winsup/cygwin/include/sys/vfs.h
winsup/cygwin/include/sys/wait.h
winsup/cygwin/include/sysexits.h
winsup/cygwin/include/syslog.h
winsup/cygwin/include/termio.h
winsup/cygwin/include/tzfile.h
winsup/cygwin/init.cc
winsup/cygwin/ioctl.cc
winsup/cygwin/ipc.cc
winsup/cygwin/lib/_cygwin_crt0_common.cc
winsup/cygwin/lib/crt0.h
winsup/cygwin/lib/cygwin_attach_dll.c
winsup/cygwin/lib/cygwin_crt0.c
winsup/cygwin/lib/dll_entry.c
winsup/cygwin/lib/dll_main.cc
winsup/cygwin/lib/libcmain.c
winsup/cygwin/lib/premain0.c
winsup/cygwin/lib/premain1.c
winsup/cygwin/lib/premain2.c
winsup/cygwin/lib/premain3.c
winsup/cygwin/lib/pseudo-reloc.c
winsup/cygwin/libc/bsdlib.cc
winsup/cygwin/libc/fnmatch.c
winsup/cygwin/libc/getopt.c
winsup/cygwin/libc/iruserok.c
winsup/cygwin/localtime.cc
winsup/cygwin/malloc.cc
winsup/cygwin/malloc_wrapper.cc
winsup/cygwin/mcount.c
winsup/cygwin/misc-std.sgml
winsup/cygwin/miscfuncs.cc
winsup/cygwin/mkvers.sh
winsup/cygwin/mmap.cc
winsup/cygwin/msg.cc
winsup/cygwin/mtinfo.h
winsup/cygwin/net.cc
winsup/cygwin/netdb.cc
winsup/cygwin/newsym
winsup/cygwin/ntdll.h
winsup/cygwin/ntea.cc
winsup/cygwin/passwd.cc
winsup/cygwin/path.cc
winsup/cygwin/path.h
winsup/cygwin/path.sgml
winsup/cygwin/perprocess.h
winsup/cygwin/perthread.h
winsup/cygwin/pinfo.cc
winsup/cygwin/pinfo.h
winsup/cygwin/pipe.cc
winsup/cygwin/poll.cc
winsup/cygwin/posix.sgml
winsup/cygwin/profil.c
winsup/cygwin/profil.h
winsup/cygwin/pseudo-reloc.cc
winsup/cygwin/pthread.cc
winsup/cygwin/pwdgrp.h
winsup/cygwin/regex/COPYRIGHT
winsup/cygwin/regex/cclass.h
winsup/cygwin/regex/cname.h
winsup/cygwin/regex/engine.c
winsup/cygwin/regex/engine.ih
winsup/cygwin/regex/mkh
winsup/cygwin/regex/regcomp.c
winsup/cygwin/regex/regcomp.ih
winsup/cygwin/regex/regerror.c
winsup/cygwin/regex/regerror.ih
winsup/cygwin/regex/regex.3
winsup/cygwin/regex/regex.7
winsup/cygwin/regex/regex.h
winsup/cygwin/regex/regex2.h
winsup/cygwin/regex/regexec.c
winsup/cygwin/regex/regfree.c
winsup/cygwin/regex/tests
winsup/cygwin/regex/utils.h
winsup/cygwin/regexp/COPYRIGHT
winsup/cygwin/regexp/README
winsup/cygwin/regexp/regexp.h
winsup/cygwin/regexp/regmagic.h
winsup/cygwin/regexp/v8_regerror.c
winsup/cygwin/regexp/v8_regexp.c
winsup/cygwin/regexp/v8_regsub.c
winsup/cygwin/registry.cc
winsup/cygwin/registry.h
winsup/cygwin/resource.cc
winsup/cygwin/rmsym
winsup/cygwin/scandir.cc
winsup/cygwin/sched.cc
winsup/cygwin/sec_acl.cc
winsup/cygwin/sec_helper.cc
winsup/cygwin/security.cc
winsup/cygwin/security.h
winsup/cygwin/select.cc
winsup/cygwin/select.h
winsup/cygwin/sem.cc
winsup/cygwin/shared.cc
winsup/cygwin/shared.sgml
winsup/cygwin/shared_info.h
winsup/cygwin/shm.cc
winsup/cygwin/signal.cc
winsup/cygwin/sigproc.cc
winsup/cygwin/sigproc.h
winsup/cygwin/smallprint.c
winsup/cygwin/spawn.cc
winsup/cygwin/speclib
winsup/cygwin/stackdump.sgml
winsup/cygwin/strace.cc
winsup/cygwin/string.h
winsup/cygwin/strsep.cc
winsup/cygwin/strsig.cc
winsup/cygwin/sync.cc
winsup/cygwin/sync.h
winsup/cygwin/syscalls.cc
winsup/cygwin/sysconf.cc
winsup/cygwin/syslog.cc
winsup/cygwin/termios.cc
winsup/cygwin/textmode.c
winsup/cygwin/textreadmode.c
winsup/cygwin/thread.cc
winsup/cygwin/thread.h
winsup/cygwin/timer.cc
winsup/cygwin/times.cc
winsup/cygwin/tlsoffsets.h
winsup/cygwin/tty.cc
winsup/cygwin/tty.h
winsup/cygwin/tz_posixrules.h
winsup/cygwin/uinfo.cc
winsup/cygwin/uname.cc
winsup/cygwin/wait.cc
winsup/cygwin/winbase.h
winsup/cygwin/wincap.cc
winsup/cygwin/wincap.h
winsup/cygwin/window.cc
winsup/cygwin/winsup.h
winsup/cygwin/winver.rc
winsup/cygwin/wsock_event.h
winsup/doc/ChangeLog
winsup/doc/Makefile.in
winsup/doc/calls.texinfo
winsup/doc/changes.texinfo
winsup/doc/configure
winsup/doc/configure.in
winsup/doc/copy.texinfo
winsup/doc/cygserver.sgml
winsup/doc/cygwin-api.in.sgml
winsup/doc/cygwin-ug-net.in.sgml
winsup/doc/cygwin-ug.in.sgml
winsup/doc/cygwin.dsl
winsup/doc/cygwinenv.sgml
winsup/doc/dll.sgml
winsup/doc/doctool.c
winsup/doc/doctool.txt
winsup/doc/effectively.sgml
winsup/doc/faq.texinfo
winsup/doc/fhandler-tut.txt
winsup/doc/filemodes.sgml
winsup/doc/gcc.sgml
winsup/doc/gdb.sgml
winsup/doc/history.texinfo
winsup/doc/how-api.texinfo
winsup/doc/how-programming.texinfo
winsup/doc/how-resources.texinfo
winsup/doc/how-using.texinfo
winsup/doc/how.texinfo
winsup/doc/install.texinfo
winsup/doc/legal.sgml
winsup/doc/ntsec.sgml
winsup/doc/overview.sgml
winsup/doc/overview2.sgml
winsup/doc/pathnames.sgml
winsup/doc/programming.sgml
winsup/doc/readme.texinfo
winsup/doc/relnotes.texinfo
winsup/doc/setup-net.sgml
winsup/doc/setup.sgml
winsup/doc/setup2.sgml
winsup/doc/textbinary.sgml
winsup/doc/using.sgml
winsup/doc/what.texinfo
winsup/doc/who.texinfo
winsup/doc/windres.sgml
winsup/mingw/CONTRIBUTORS
winsup/mingw/CRT_fp10.c
winsup/mingw/CRT_fp8.c
winsup/mingw/CRT_noglob.c
winsup/mingw/CRTfmode.c
winsup/mingw/CRTglob.c
winsup/mingw/CRTinit.c
winsup/mingw/ChangeLog
winsup/mingw/DISCLAIMER
winsup/mingw/Makefile.in
winsup/mingw/README
winsup/mingw/TODO
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winsup/w32api/include/directx/dxerr9.h
winsup/w32api/include/dlgs.h
winsup/w32api/include/docobj.h
winsup/w32api/include/errorrep.h
winsup/w32api/include/exdisp.h
winsup/w32api/include/exdispid.h
winsup/w32api/include/httpext.h
winsup/w32api/include/idispids.h
winsup/w32api/include/imagehlp.h
winsup/w32api/include/imm.h
winsup/w32api/include/initguid.h
winsup/w32api/include/intshcut.h
winsup/w32api/include/ipexport.h
winsup/w32api/include/iphlpapi.h
winsup/w32api/include/ipifcons.h
winsup/w32api/include/iprtrmib.h
winsup/w32api/include/iptypes.h
winsup/w32api/include/isguids.h
winsup/w32api/include/largeint.h
winsup/w32api/include/lm.h
winsup/w32api/include/lmaccess.h
winsup/w32api/include/lmalert.h
winsup/w32api/include/lmapibuf.h
winsup/w32api/include/lmat.h
winsup/w32api/include/lmaudit.h
winsup/w32api/include/lmbrowsr.h
winsup/w32api/include/lmchdev.h
winsup/w32api/include/lmconfig.h
winsup/w32api/include/lmcons.h
winsup/w32api/include/lmerr.h
winsup/w32api/include/lmerrlog.h
winsup/w32api/include/lmmsg.h
winsup/w32api/include/lmremutl.h
winsup/w32api/include/lmrepl.h
winsup/w32api/include/lmserver.h
winsup/w32api/include/lmshare.h
winsup/w32api/include/lmsname.h
winsup/w32api/include/lmstats.h
winsup/w32api/include/lmsvc.h
winsup/w32api/include/lmuse.h
winsup/w32api/include/lmuseflg.h
winsup/w32api/include/lmwksta.h
winsup/w32api/include/lzexpand.h
winsup/w32api/include/mapi.h
winsup/w32api/include/mciavi.h
winsup/w32api/include/mcx.h
winsup/w32api/include/mgmtapi.h
winsup/w32api/include/mmsystem.h
winsup/w32api/include/msacm.h
winsup/w32api/include/mshtml.h
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/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/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/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/regstr.h
winsup/w32api/include/richedit.h
winsup/w32api/include/richole.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/schannel.h
winsup/w32api/include/schnlsp.h
winsup/w32api/include/scrnsave.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/shlguid.h
winsup/w32api/include/shlobj.h
winsup/w32api/include/shlwapi.h
winsup/w32api/include/snmp.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/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/uxtheme.h
winsup/w32api/include/vfw.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/wtypes.h
winsup/w32api/include/zmouse.h
winsup/w32api/install-sh
winsup/w32api/lib/Makefile.in
winsup/w32api/lib/aclui.def
winsup/w32api/lib/advapi32.def
winsup/w32api/lib/avicap32.def
winsup/w32api/lib/avifil32.def
winsup/w32api/lib/cap.def
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/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/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/quartz.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/faultrep.def
winsup/w32api/lib/gdi32.def
winsup/w32api/lib/glaux.def
winsup/w32api/lib/glu32.def
winsup/w32api/lib/glut.def
winsup/w32api/lib/glut32.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.c
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/mpr.def
winsup/w32api/lib/msacm32.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/nddeapi.def
winsup/w32api/lib/netapi32.def
winsup/w32api/lib/ntdll.def
winsup/w32api/lib/odbc32.def
winsup/w32api/lib/odbccp32.def
winsup/w32api/lib/ole32.def
winsup/w32api/lib/oleacc.def
winsup/w32api/lib/oleaut32.def
winsup/w32api/lib/olecli32.def
winsup/w32api/lib/oledlg.def
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/powrprof.def
winsup/w32api/lib/psapi.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/scrnsave.c
winsup/w32api/lib/secur32.def
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/th32.def
winsup/w32api/lib/thunk32.def
winsup/w32api/lib/url.def
winsup/w32api/lib/user32.def
winsup/w32api/lib/userenv.def
winsup/w32api/lib/uuid.c
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.def
winsup/w32api/lib/wsnmp32.def
winsup/w32api/lib/wsock32.def
winsup/w32api/lib/wst.def
Diffstat (limited to 'winsup/cygwin/path.cc')
-rw-r--r-- | winsup/cygwin/path.cc | 3885 |
1 files changed, 0 insertions, 3885 deletions
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc deleted file mode 100644 index 59e454bfc..000000000 --- a/winsup/cygwin/path.cc +++ /dev/null @@ -1,3885 +0,0 @@ -/* path.cc: path support. - - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 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. */ - -/* This module's job is to - - convert between POSIX and Win32 style filenames, - - support the `mount' functionality, - - support symlinks for files and directories - - Pathnames are handled as follows: - - - A \ or : in a path denotes a pure windows spec. - - Paths beginning with // (or \\) are not translated (i.e. looked - up in the mount table) and are assumed to be UNC path names. - - The goal in the above set of rules is to allow both POSIX and Win32 - flavors of pathnames without either interfering. The rules are - intended to be as close to a superset of both as possible. - - Note that you can have more than one path to a file. The mount - table is always prefered when translating Win32 paths to POSIX - paths. Win32 paths in mount table entries may be UNC paths or - standard Win32 paths starting with <drive-letter>: - - Text vs Binary issues are not considered here in path style - decisions, although the appropriate flags are retrieved and - stored in various structures. - - Removing mounted filesystem support would simplify things greatly, - but having it gives us a mechanism of treating disk that lives on a - UNIX machine as having UNIX semantics [it allows one to edit a text - file on that disk and not have cr's magically appear and perhaps - break apps running on UNIX boxes]. It also useful to be able to - layout a hierarchy without changing the underlying directories. - - The semantics of mounting file systems is not intended to precisely - follow normal UNIX systems. - - Each DOS drive is defined to have a current directory. Supporting - this would complicate things so for now things are defined so that - c: means c:\. -*/ - -#include "winsup.h" -#include <stdio.h> -#include <stdlib.h> -#include <sys/mount.h> -#include <mntent.h> -#include <unistd.h> -#include <ctype.h> -#include <winioctl.h> -#include <wingdi.h> -#include <winuser.h> -#include <winnls.h> -#include <winnetwk.h> -#include <sys/cygwin.h> -#include <cygwin/version.h> -#include "cygerrno.h" -#include "security.h" -#include "path.h" -#include "fhandler.h" -#include "sync.h" -#include "sigproc.h" -#include "pinfo.h" -#include "dtable.h" -#include "cygheap.h" -#include "shared_info.h" -#include "registry.h" -#include "cygtls.h" -#include <assert.h> - -static int normalize_win32_path (const char *src, char *dst, char ** tail); -static void slashify (const char *src, char *dst, int trailing_slash_p); -static void backslashify (const char *src, char *dst, int trailing_slash_p); - -struct symlink_info -{ - char contents[CYG_MAX_PATH + 4]; - char *ext_here; - int extn; - unsigned pflags; - DWORD fileattr; - int is_symlink; - bool ext_tacked_on; - int error; - bool case_clash; - _major_t major; - _minor_t minor; - _mode_t mode; - int check (char *path, const suffix_info *suffixes, unsigned opt); - bool parse_device (const char *); - bool case_check (char *path); -}; - -int pcheck_case = PCHECK_RELAXED; /* Determines the case check behaviour. */ - -static char shortcut_header[SHORTCUT_HDR_SIZE]; -static bool shortcut_initalized; - -static void -create_shortcut_header (void) -{ - if (!shortcut_initalized) - { - shortcut_header[0] = 'L'; - shortcut_header[4] = '\001'; - shortcut_header[5] = '\024'; - shortcut_header[6] = '\002'; - shortcut_header[12] = '\300'; - shortcut_header[19] = 'F'; - shortcut_header[20] = '\f'; - shortcut_header[60] = '\001'; - shortcut_initalized = true; - } -} - -#define CYGWIN_REGNAME (cygheap->cygwin_regname ?: CYGWIN_INFO_CYGWIN_REGISTRY_NAME) - -/* Determine if path prefix matches current cygdrive */ -#define iscygdrive(path) \ - (path_prefix_p (mount_table->cygdrive, (path), mount_table->cygdrive_len)) - -#define iscygdrive_device(path) \ - (isalpha (path[mount_table->cygdrive_len]) && \ - (path[mount_table->cygdrive_len + 1] == '/' || \ - !path[mount_table->cygdrive_len + 1])) - -#define isproc(path) \ - (path_prefix_p (proc, (path), proc_len)) - -#define isvirtual_dev(devn) \ - (devn == FH_CYGDRIVE || devn == FH_PROC || devn == FH_REGISTRY || devn == FH_PROCESS) - -/* Return non-zero if PATH1 is a prefix of PATH2. - Both are assumed to be of the same path style and / vs \ usage. - Neither may be "". - LEN1 = strlen (PATH1). It's passed because often it's already known. - - Examples: - /foo/ is a prefix of /foo <-- may seem odd, but desired - /foo is a prefix of /foo/ - / is a prefix of /foo/bar - / is not a prefix of foo/bar - foo/ is a prefix foo/bar - /foo is not a prefix of /foobar -*/ - -int -path_prefix_p (const char *path1, const char *path2, int len1) -{ - /* Handle case where PATH1 has trailing '/' and when it doesn't. */ - if (len1 > 0 && isdirsep (path1[len1 - 1])) - len1--; - - if (len1 == 0) - return isdirsep (path2[0]) && !isdirsep (path2[1]); - - if (isdirsep (path2[len1]) || path2[len1] == 0 || path1[len1 - 1] == ':') - return pathnmatch (path1, path2, len1); - - return 0; -} - -/* Return non-zero if paths match in first len chars. - Check is dependent of the case sensitivity setting. */ -int -pathnmatch (const char *path1, const char *path2, int len) -{ - return pcheck_case == PCHECK_STRICT ? !strncmp (path1, path2, len) - : strncasematch (path1, path2, len); -} - -/* Return non-zero if paths match. Check is dependent of the case - sensitivity setting. */ -int -pathmatch (const char *path1, const char *path2) -{ - return pcheck_case == PCHECK_STRICT ? !strcmp (path1, path2) - : strcasematch (path1, path2); -} - -#define isslash(c) ((c) == '/') - -/* Normalize a POSIX path. - All duplicate /'s, except for 2 leading /'s, are deleted. - The result is 0 for success, or an errno error value. */ - -static int -normalize_posix_path (const char *src, char *dst, char **tail) -{ - const char *src_start = src; - char *dst_start = dst; - - syscall_printf ("src %s", src); - - const char *in_src = src; - char *in_dst = dst; - - if (isdrive (src) || *src == '\\') - goto win32_path; - - if (!isslash (src[0])) - { - if (!cygheap->cwd.get (dst)) - return get_errno (); - dst = strchr (dst, '\0'); - if (*src == '.') - { - if (dst == dst_start + 1 && *dst_start == '/') - --dst; - goto sawdot; - } - if (dst > dst_start && !isslash (dst[-1])) - *dst++ = '/'; - } - /* Two leading /'s? If so, preserve them. */ - else if (isslash (src[1]) && !isslash (src[2])) - { - *dst++ = '/'; - *dst++ = '/'; - src += 2; - } - - while (*src) - { - if (*src == '\\') - goto win32_path; - /* Strip runs of /'s. */ - if (!isslash (*src)) - *dst++ = *src++; - else - { - while (*++src) - { - if (isslash (*src)) - continue; - - if (*src != '.') - break; - - sawdot: - if (src[1] != '.') - { - if (!src[1]) - { - *dst++ = '/'; - goto done; - } - if (!isslash (src[1])) - break; - } - else if (src[2] && !isslash (src[2])) - { - if (src[2] == '.') - { - /* Is this a run of dots? That would be an invalid - filename. A bunch of leading dots would be ok, - though. */ - int n = strspn (src, "."); - if (!src[n] || isslash (src[n])) /* just dots... */ - return ENOENT; - } - break; - } - else - { - while (dst > dst_start && !isslash (*--dst)) - continue; - src++; - } - } - - *dst++ = '/'; - } - if ((dst - dst_start) >= CYG_MAX_PATH) - { - debug_printf ("ENAMETOOLONG = normalize_posix_path (%s)", src); - return ENAMETOOLONG; - } - } - -done: - /* Remove trailing dots and spaces which are ignored by Win32 functions but - not by native NT functions. */ - while (dst[-1] == '.' || dst[-1] == ' ') - --dst; - *dst = '\0'; - *tail = dst; - - debug_printf ("%s = normalize_posix_path (%s)", dst_start, src_start); - return 0; - -win32_path: - int err = normalize_win32_path (in_src, in_dst, tail); - if (!err) - for (char *p = in_dst; (p = strchr (p, '\\')); p++) - *p = '/'; - return err; -} - -inline void -path_conv::add_ext_from_sym (symlink_info &sym) -{ - if (sym.ext_here && *sym.ext_here) - { - known_suffix = path + sym.extn; - if (sym.ext_tacked_on) - strcpy (known_suffix, sym.ext_here); - } -} - -static void __stdcall mkrelpath (char *dst) __attribute__ ((regparm (2))); -static void __stdcall -mkrelpath (char *path) -{ - char cwd_win32[CYG_MAX_PATH]; - if (!cygheap->cwd.get (cwd_win32, 0)) - return; - - unsigned cwdlen = strlen (cwd_win32); - if (!path_prefix_p (cwd_win32, path, cwdlen)) - return; - - size_t n = strlen (path); - if (n < cwdlen) - return; - - char *tail = path; - if (n == cwdlen) - tail += cwdlen; - else - tail += isdirsep (cwd_win32[cwdlen - 1]) ? cwdlen : cwdlen + 1; - - memmove (path, tail, strlen (tail) + 1); - if (!*path) - strcpy (path, "."); -} - -#define MAX_FS_INFO_CNT 25 -fs_info fsinfo[MAX_FS_INFO_CNT]; -LONG fsinfo_cnt; - -bool -fs_info::update (const char *win32_path) -{ - char fsname [CYG_MAX_PATH]; - char root_dir [CYG_MAX_PATH]; - - if (!rootdir (win32_path, root_dir)) - { - debug_printf ("Cannot get root component of path %s", win32_path); - clear (); - return false; - } - - __ino64_t tmp_name_hash = hash_path_name (1, root_dir); - if (tmp_name_hash == name_hash) - return true; - int idx = 0; - LONG cur_fsinfo_cnt = fsinfo_cnt; - while (idx < cur_fsinfo_cnt && fsinfo[idx].name_hash) - { - if (tmp_name_hash == fsinfo[idx].name_hash) - { - *this = fsinfo[idx]; - return true; - } - ++idx; - } - name_hash = tmp_name_hash; - - drive_type (GetDriveType (root_dir)); - if (drive_type () == DRIVE_REMOTE - || (drive_type () == DRIVE_UNKNOWN - && (root_dir[0] == '\\' && root_dir[1] == '\\'))) - is_remote_drive (true); - else - is_remote_drive (false); - - if (!GetVolumeInformation (root_dir, NULL, 0, &status.serial, NULL, - &status.flags, fsname, sizeof (fsname))) - { - debug_printf ("Cannot get volume information (%s), %E", root_dir); - has_buggy_open (false); - has_ea (false); - flags () = serial () = 0; - return false; - } - /* FIXME: Samba by default returns "NTFS" in file system name, but - * doesn't support Extended Attributes. If there's some fast way to - * distinguish between samba and real ntfs, it should be implemented - * here. - */ - has_ea (!is_remote_drive () && strcmp (fsname, "NTFS") == 0); - has_acls ((flags () & FS_PERSISTENT_ACLS) - && (allow_smbntsec || !is_remote_drive ())); - is_fat (strncasematch (fsname, "FAT", 3)); - /* Known file systems with buggy open calls. Further explanation - in fhandler.cc (fhandler_disk_file::open). */ - has_buggy_open (!strcmp (fsname, "SUNWNFS")); - - /* Only append non-removable drives to the global fsinfo storage */ - if (drive_type () != DRIVE_REMOVABLE && drive_type () != DRIVE_CDROM - && idx < MAX_FS_INFO_CNT) - { - LONG exc_cnt; - while ((exc_cnt = InterlockedExchange (&fsinfo_cnt, -1)) == -1) - low_priority_sleep (0); - if (exc_cnt < MAX_FS_INFO_CNT) - { - /* Check if another thread has already appended that very drive */ - while (idx < exc_cnt) - { - if (fsinfo[idx++].name_hash == name_hash) - goto done; - } - fsinfo[exc_cnt++] = *this; - } - done: - InterlockedExchange (&fsinfo_cnt, exc_cnt); - } - return true; -} - -void -path_conv::fillin (HANDLE h) -{ - BY_HANDLE_FILE_INFORMATION local; - if (!GetFileInformationByHandle (h, &local)) - { - fileattr = INVALID_FILE_ATTRIBUTES; - fs.serial () = 0; - } - else - { - fileattr = local.dwFileAttributes; - fs.serial () = local.dwVolumeSerialNumber; - } - fs.drive_type (DRIVE_UNKNOWN); -} - -void -path_conv::set_normalized_path (const char *path_copy) -{ - char *eopath = strchr (path, '\0'); - size_t n = strlen (path_copy) + 1; - - normalized_path = path + sizeof (path) - n; - if (normalized_path > eopath) - normalized_path_size = n; - else - { - normalized_path = (char *) cmalloc (HEAP_STR, n); - normalized_path_size = 0; - } - memcpy (normalized_path, path_copy, n); -} - -PUNICODE_STRING -path_conv::get_nt_native_path (UNICODE_STRING &upath, WCHAR *wpath) -{ - if (path[0] != '\\') /* X:\... or NUL, etc. */ - { - str2buf2uni (upath, wpath, "\\??\\"); - str2buf2uni_cat (upath, path); - } - else if (path[1] != '\\') /* \Device\... */ - str2buf2uni (upath, wpath, path); - else if (path[2] != '.' - || path[3] != '\\') /* \\server\share\... */ - { - str2buf2uni (upath, wpath, "\\??\\UNC\\"); - str2buf2uni_cat (upath, path + 2); - } - else /* \\.\device */ - { - str2buf2uni (upath, wpath, "\\??\\"); - str2buf2uni_cat (upath, path + 4); - } - return &upath; -} - -/* Convert an arbitrary path SRC to a pure Win32 path, suitable for - passing to Win32 API routines. - - If an error occurs, `error' is set to the errno value. - Otherwise it is set to 0. - - follow_mode values: - SYMLINK_FOLLOW - convert to PATH symlink points to - SYMLINK_NOFOLLOW - convert to PATH of symlink itself - SYMLINK_IGNORE - do not check PATH for symlinks - SYMLINK_CONTENTS - just return symlink contents -*/ - -void -path_conv::check (const char *src, unsigned opt, - const suffix_info *suffixes) -{ - /* This array is used when expanding symlinks. It is CYG_MAX_PATH * 2 - in length so that we can hold the expanded symlink plus a - trailer. */ - char path_copy[CYG_MAX_PATH + 3]; - char tmp_buf[2 * CYG_MAX_PATH + 3]; - symlink_info sym; - bool need_directory = 0; - bool saw_symlinks = 0; - int is_relpath; - char *tail, *path_end; - -#if 0 - static path_conv last_path_conv; - static char last_src[CYG_MAX_PATH + 1]; - - if (*last_src && strcmp (last_src, src) == 0) - { - *this = last_path_conv; - return; - } -#endif - - int loop = 0; - path_flags = 0; - known_suffix = NULL; - fileattr = INVALID_FILE_ATTRIBUTES; - case_clash = false; - memset (&dev, 0, sizeof (dev)); - fs.clear (); - normalized_path = NULL; - - if (!(opt & PC_NULLEMPTY)) - error = 0; - else if ((error = check_null_empty_str (src))) - return; - /* This loop handles symlink expansion. */ - for (;;) - { - MALLOC_CHECK; - assert (src); - - is_relpath = !isabspath (src); - error = normalize_posix_path (src, path_copy, &tail); - if (error) - return; - - /* Detect if the user was looking for a directory. We have to strip the - trailing slash initially while trying to add extensions but take it - into account during processing */ - if (tail > path_copy + 1 && isslash (*(tail - 1))) - { - need_directory = 1; - *--tail = '\0'; - } - path_end = tail; - - /* Scan path_copy from right to left looking either for a symlink - or an actual existing file. If an existing file is found, just - return. If a symlink is found, exit the for loop. - Also: be careful to preserve the errno returned from - symlink.check as the caller may need it. */ - /* FIXME: Do we have to worry about multiple \'s here? */ - int component = 0; // Number of translated components - sym.contents[0] = '\0'; - - int symlen; - for (;;) - { - const suffix_info *suff; - char pathbuf[CYG_MAX_PATH]; - char *full_path; - - /* Don't allow symlink.check to set anything in the path_conv - class if we're working on an inner component of the path */ - if (component) - { - suff = NULL; - sym.pflags = 0; - full_path = pathbuf; - } - else - { - suff = suffixes; - sym.pflags = path_flags; - full_path = this->path; - } - - /* Convert to native path spec sans symbolic link info. */ - error = mount_table->conv_to_win32_path (path_copy, full_path, dev, - &sym.pflags); - - if (error) - return; - - if (dev.major == DEV_CYGDRIVE_MAJOR) - { - if (!component) - fileattr = FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_READONLY; - else - { - dev.devn = FH_FS; - fileattr = GetFileAttributes (this->path); - } - goto out; - } - else if (isvirtual_dev (dev.devn)) - { - /* FIXME: Calling build_fhandler here is not the right way to handle this. */ - fhandler_virtual *fh = (fhandler_virtual *) build_fh_dev (dev, path_copy); - int file_type = fh->exists (); - delete fh; - switch (file_type) - { - case 1: - case 2: - fileattr = FILE_ATTRIBUTE_DIRECTORY; - break; - case -1: - fileattr = 0; - break; - default: - fileattr = INVALID_FILE_ATTRIBUTES; - break; - } - goto out; - } - /* devn should not be a device. If it is, then stop parsing now. */ - else if (dev.devn != FH_FS) - { - fileattr = 0; - path_flags = sym.pflags; - if (component) - { - error = ENOTDIR; - return; - } - goto out; /* Found a device. Stop parsing. */ - } - - /* If path is only a drivename, Windows interprets it as the - current working directory on this drive instead of the root - dir which is what we want. So we need the trailing backslash - in this case. */ - if (full_path[0] && full_path[1] == ':' && full_path[2] == '\0') - { - full_path[2] = '\\'; - full_path[3] = '\0'; - } - - if ((opt & PC_SYM_IGNORE) && pcheck_case == PCHECK_RELAXED) - { - fileattr = GetFileAttributes (this->path); - goto out; - } - - symlen = sym.check (full_path, suff, opt | fs.has_ea ()); - - if (sym.minor || sym.major) - { - dev.parse (sym.major, sym.minor); - dev.setfs (1); - dev.mode = sym.mode; - fileattr = sym.fileattr; - goto out; - } - - if (sym.pflags & PATH_SOCKET) - dev.setfs (1); - - if (sym.case_clash) - { - if (pcheck_case == PCHECK_STRICT) - { - case_clash = true; - error = ENOENT; - goto out; - } - /* If pcheck_case==PCHECK_ADJUST the case_clash is remembered - if the last component is concerned. This allows functions - which shall create files to avoid overriding already existing - files with another case. */ - if (!component) - case_clash = true; - } - if (!(opt & PC_SYM_IGNORE)) - { - if (!component) - { - fileattr = sym.fileattr; - path_flags = sym.pflags; - } - - /* If symlink.check found an existing non-symlink file, then - it sets the appropriate flag. It also sets any suffix found - into `ext_here'. */ - if (!sym.is_symlink && sym.fileattr != INVALID_FILE_ATTRIBUTES) - { - error = sym.error; - if (component == 0) - add_ext_from_sym (sym); - if (pcheck_case == PCHECK_RELAXED) - goto out; // file found - /* Avoid further symlink evaluation. Only case checks are - done now. */ - opt |= PC_SYM_IGNORE; - } - /* Found a symlink if symlen > 0. If component == 0, then the - src path itself was a symlink. If !follow_mode then - we're done. Otherwise we have to insert the path found - into the full path that we are building and perform all of - these operations again on the newly derived path. */ - else if (symlen > 0) - { - saw_symlinks = 1; - if (component == 0 && !need_directory && !(opt & PC_SYM_FOLLOW)) - { - set_symlink (symlen); // last component of path is a symlink. - if (opt & PC_SYM_CONTENTS) - { - strcpy (path, sym.contents); - goto out; - } - add_ext_from_sym (sym); - if (pcheck_case == PCHECK_RELAXED) - goto out; - /* Avoid further symlink evaluation. Only case checks are - done now. */ - opt |= PC_SYM_IGNORE; - } - else - break; - } - /* No existing file found. */ - } - - /* Find the new "tail" of the path, e.g. in '/for/bar/baz', - /baz is the tail. */ - if (tail != path_end) - *tail = '/'; - while (--tail > path_copy + 1 && *tail != '/') {} - /* Exit loop if there is no tail or we are at the - beginning of a UNC path */ - if (tail <= path_copy + 1) - goto out; // all done - - /* Haven't found an existing pathname component yet. - Pinch off the tail and try again. */ - *tail = '\0'; - component++; - } - - /* Arrive here if above loop detected a symlink. */ - if (++loop > MAX_LINK_DEPTH) - { - error = ELOOP; // Eep. - return; - } - - MALLOC_CHECK; - - - /* Place the link content, possibly with head and/or tail, in tmp_buf */ - - char *headptr; - if (isabspath (sym.contents)) - headptr = tmp_buf; /* absolute path */ - else - { - /* Copy the first part of the path (with ending /) and point to the end. */ - char *prevtail = tail; - while (--prevtail > path_copy && *prevtail != '/') {} - int headlen = prevtail - path_copy + 1;; - memcpy (tmp_buf, path_copy, headlen); - headptr = &tmp_buf[headlen]; - } - - /* Make sure there is enough space */ - if (headptr + symlen >= tmp_buf + sizeof (tmp_buf)) - { - too_long: - error = ENAMETOOLONG; - strcpy (path, "::ENAMETOOLONG::"); - return; - } - - /* Copy the symlink contents to the end of tmp_buf. - Convert slashes. FIXME? I think it's fine / Pierre */ - for (char *p = sym.contents; *p; p++) - *headptr++ = *p == '\\' ? '/' : *p; - *headptr = '\0'; - - /* Copy any tail component (with the 0) */ - if (tail++ < path_end) - { - /* Add a slash if needed. There is space. */ - if (*(headptr - 1) != '/') - *headptr++ = '/'; - int taillen = path_end - tail + 1; - if (headptr + taillen > tmp_buf + sizeof (tmp_buf)) - goto too_long; - memcpy (headptr, tail, taillen); - } - - /* Evaluate everything all over again. */ - src = tmp_buf; - } - - if (!(opt & PC_SYM_CONTENTS)) - add_ext_from_sym (sym); - -out: - /* If the user wants a directory, do not return a symlink */ - if (!need_directory || error) - /* nothing to do */; - else if (fileattr & FILE_ATTRIBUTE_DIRECTORY) - path_flags &= ~PATH_SYMLINK; - else - { - debug_printf ("%s is a non-directory", path); - error = ENOTDIR; - return; - } - - if (dev.devn == FH_FS) - { - if (fs.update (path)) - { - set_isdisk (); - debug_printf ("this->path(%s), has_acls(%d)", path, fs.has_acls ()); - if (fs.has_acls () && allow_ntsec && wincap.has_security ()) - set_exec (0); /* We really don't know if this is executable or not here - but set it to not executable since it will be figured out - later by anything which cares about this. */ - } - if (exec_state () != dont_know_if_executable) - /* ok */; - else if (isdir ()) - set_exec (1); - else if (issymlink () || issocket ()) - set_exec (0); - } - -#if 0 - if (issocket ()) - devn = FH_SOCKET; -#endif - - if (!(opt & PC_FULL)) - { - if (is_relpath) - mkrelpath (this->path); - if (need_directory) - { - size_t n = strlen (this->path); - /* Do not add trailing \ to UNC device names like \\.\a: */ - if (this->path[n - 1] != '\\' && - (strncmp (this->path, "\\\\.\\", 4) != 0 || - !strncasematch (this->path + 4, "unc\\", 4))) - { - this->path[n] = '\\'; - this->path[n + 1] = '\0'; - } - } - } - - if (saw_symlinks) - set_has_symlinks (); - - if (!error && !isdir () && !(path_flags & PATH_ALL_EXEC)) - { - const char *p = strchr (path, '\0') - 4; - if (p >= path && - (strcasematch (".exe", p) || - strcasematch (".bat", p) || - strcasematch (".com", p))) - path_flags |= PATH_EXEC; - } - - if (!(opt & PC_POSIX)) - normalized_path_size = 0; - else - { - if (tail < path_end && tail > path_copy + 1) - *tail = '/'; - set_normalized_path (path_copy); - } - -#if 0 - if (!error) - { - last_path_conv = *this; - strcpy (last_src, src); - } -#endif -} - -path_conv::~path_conv () -{ - if (!normalized_path_size && normalized_path) - { - cfree (normalized_path); - normalized_path = NULL; - } -} - -static __inline int -digits (const char *name) -{ - char *p; - int n = strtol (name, &p, 10); - - return p > name && !*p ? n : -1; -} - -/* Return true if src_path is a valid, internally supported device name. - In that case, win32_path gets the corresponding NT device name and - dev is appropriately filled with device information. */ - -static bool -win32_device_name (const char *src_path, char *win32_path, device& dev) -{ - dev.parse (src_path); - if (dev.devn == FH_FS) - return false; - strcpy (win32_path, dev.native); - return true; -} - -/* is_unc_share: Return non-zero if PATH begins with //UNC/SHARE */ - -static bool __stdcall -is_unc_share (const char *path) -{ - char *p = NULL; - int ret = (isdirsep (path[0]) - && isdirsep (path[1]) - && (isalnum (path[2]) || path[2] == '.') - && ((p = strpbrk (path + 3, "\\/")) != NULL)); - if (!ret || p == NULL) - return false; - return ret && isalnum (p[1]); -} - -/* Normalize a Win32 path. - /'s are converted to \'s in the process. - All duplicate \'s, except for 2 leading \'s, are deleted. - - The result is 0 for success, or an errno error value. - FIXME: A lot of this should be mergeable with the POSIX critter. */ -static int -normalize_win32_path (const char *src, char *dst, char **tail) -{ - const char *src_start = src; - char *dst_start = dst; - char *dst_root_start = dst; - bool beg_src_slash = isdirsep (src[0]); - - if (beg_src_slash && isdirsep (src[1])) - { - *dst++ = '\\'; - src++; - if (src[1] == '.' && isdirsep (src[2])) - { - *dst++ = '\\'; - *dst++ = '.'; - src += 2; - } - } - else if (strchr (src, ':') == NULL && *src != '/') - { - if (!cygheap->cwd.get (dst, 0)) - return get_errno (); - if (beg_src_slash) - { - if (dst[1] == ':') - dst[2] = '\0'; - else if (is_unc_share (dst)) - { - char *p = strpbrk (dst + 2, "\\/"); - if (p && (p = strpbrk (p + 1, "\\/"))) - *p = '\0'; - } - } - if (strlen (dst) + 1 + strlen (src) >= CYG_MAX_PATH) - { - debug_printf ("ENAMETOOLONG = normalize_win32_path (%s)", src); - return ENAMETOOLONG; - } - dst += strlen (dst); - if (!beg_src_slash) - *dst++ = '\\'; - } - - while (*src) - { - /* Strip duplicate /'s. */ - if (isdirsep (src[0]) && isdirsep (src[1])) - src++; - /* Ignore "./". */ - else if (src[0] == '.' && isdirsep (src[1]) - && (src == src_start || isdirsep (src[-1]))) - src += 2; - - /* Backup if "..". */ - else if (src[0] == '.' && src[1] == '.' - /* dst must be greater than dst_start */ - && dst[-1] == '\\' - && (isdirsep (src[2]) || src[2] == 0)) - { - /* Back up over /, but not if it's the first one. */ - if (dst > dst_root_start + 1) - dst--; - /* Now back up to the next /. */ - while (dst > dst_root_start + 1 && dst[-1] != '\\' && dst[-2] != ':') - dst--; - src += 2; - if (isdirsep (*src)) - src++; - } - /* Otherwise, add char to result. */ - else - { - if (*src == '/') - *dst++ = '\\'; - else - *dst++ = *src; - ++src; - } - if ((dst - dst_start) >= CYG_MAX_PATH) - return ENAMETOOLONG; - } - *dst = '\0'; - *tail = dst; - debug_printf ("%s = normalize_win32_path (%s)", dst_start, src_start); - return 0; -} - -/* Various utilities. */ - -/* slashify: Convert all back slashes in src path to forward slashes - in dst path. Add a trailing slash to dst when trailing_slash_p arg - is set to 1. */ - -static void -slashify (const char *src, char *dst, int trailing_slash_p) -{ - const char *start = src; - - while (*src) - { - if (*src == '\\') - *dst++ = '/'; - else - *dst++ = *src; - ++src; - } - if (trailing_slash_p - && src > start - && !isdirsep (src[-1])) - *dst++ = '/'; - *dst++ = 0; -} - -/* backslashify: Convert all forward slashes in src path to back slashes - in dst path. Add a trailing slash to dst when trailing_slash_p arg - is set to 1. */ - -static void -backslashify (const char *src, char *dst, int trailing_slash_p) -{ - const char *start = src; - - while (*src) - { - if (*src == '/') - *dst++ = '\\'; - else - *dst++ = *src; - ++src; - } - if (trailing_slash_p - && src > start - && !isdirsep (src[-1])) - *dst++ = '\\'; - *dst++ = 0; -} - -/* nofinalslash: Remove trailing / and \ from SRC (except for the - first one). It is ok for src == dst. */ - -void __stdcall -nofinalslash (const char *src, char *dst) -{ - int len = strlen (src); - if (src != dst) - memcpy (dst, src, len + 1); - while (len > 1 && isdirsep (dst[--len])) - dst[len] = '\0'; -} - -/* conv_path_list: Convert a list of path names to/from Win32/POSIX. */ - -static int -conv_path_list (const char *src, char *dst, int to_posix) -{ - char *s; - char *d = dst; - char src_delim = to_posix ? ';' : ':'; - char dst_delim = to_posix ? ':' : ';'; - int (*conv_fn) (const char *, char *) = (to_posix - ? cygwin_conv_to_posix_path - : cygwin_conv_to_win32_path); - - char *srcbuf = (char *) alloca (strlen (src) + 1); - - for (;;) - { - s = strccpy (srcbuf, &src, src_delim); - int len = s - srcbuf; - if (len >= CYG_MAX_PATH) - return ENAMETOOLONG; - int err = (*conv_fn) (len ? srcbuf : ".", d); - if (err) - return err; - if (!*src++) - break; - d = strchr (d, '\0'); - *d++ = dst_delim; - } - return 0; -} - -/* init: Initialize the mount table. */ - -void -mount_info::init () -{ - nmounts = 0; - - /* Fetch the mount table and cygdrive-related information from - the registry. */ - from_registry (); -} - -static void -set_flags (unsigned *flags, unsigned val) -{ - *flags = val; - if (!(*flags & PATH_BINARY)) - { - *flags |= PATH_TEXT; - debug_printf ("flags: text (%p)", *flags & (PATH_TEXT | PATH_BINARY)); - } - else - { - *flags |= PATH_BINARY; - debug_printf ("flags: binary (%p)", *flags & (PATH_TEXT | PATH_BINARY)); - } -} - -static char dot_special_chars[] = - "." - "\001" "\002" "\003" "\004" "\005" "\006" "\007" "\010" - "\011" "\012" "\013" "\014" "\015" "\016" "\017" "\020" - "\021" "\022" "\023" "\024" "\025" "\026" "\027" "\030" - "\031" "\032" "\033" "\034" "\035" "\036" "\037" - ":" "\\" "*" "?" "%" - "A" "B" "C" "D" "E" "F" "G" "H" - "I" "J" "K" "L" "M" "N" "O" "P" - "Q" "R" "S" "T" "U" "V" "W" "X" - "Y" "Z"; -static char *special_chars = dot_special_chars + 1; -static char special_introducers[] = - "anpcl"; - -static char -special_char (const char *s, const char *valid_chars = special_chars) -{ - if (*s != '%' || strlen (s) < 3) - return 0; - - char *p; - char hex[] = {s[1], s[2], '\0'}; - unsigned char c = strtoul (hex, &p, 16); - p = strechr (valid_chars, c); - return *p; -} - -/* Determines if name is "special". Assumes that name is empty or "absolute" */ -static int -special_name (const char *s, int inc = 1) -{ - if (!*s) - return false; - - s += inc; - if (strpbrk (s, special_chars)) - return !strncasematch (s, "%2f", 3); - - if (strcasematch (s, ".") || strcasematch (s, "..")) - return false; - if (s[strlen (s)-1] == '.') - return true; - - const char *p; - if (strcasematch (s, "conin$") || strcasematch (s, "conout$")) - return -1; - - if (strncasematch (s, "nul", 3) - || strncasematch (s, "aux", 3) - || strncasematch (s, "prn", 3) - || strncasematch (s, "con", 3)) - p = s + 3; - else if (strncasematch (s, "com", 3) || strncasematch (s, "lpt", 3)) - (void) strtoul (s + 3, (char **) &p, 10); - else - return false; - - return (*p == '\0' || *p == '.') ? -1 : false; -} - -bool -fnunmunge (char *dst, const char *src) -{ - bool converted = false; - char c; - - if ((c = special_char (src, special_introducers))) - { - __small_sprintf (dst, "%c%s", c, src + 3); - if (special_name (dst, 0)) - { - *dst++ = c; - src += 3; - } - } - - while (*src) - if (!(c = special_char (src, dot_special_chars))) - *dst++ = *src++; - else - { - converted = true; - *dst++ = c; - src += 3; - } - - *dst = *src; - return converted; -} - -static bool -copy1 (char *&d, const char *&src, int& left) -{ - left--; - if (left || !*src) - *d++ = *src++; - else - return true; - return false; -} - -static bool -copyenc (char *&d, const char *&src, int& left) -{ - char buf[16]; - int n = __small_sprintf (buf, "%%%02x", (unsigned char) *src++); - left -= n; - if (left <= 0) - return true; - strcpy (d, buf); - d += n; - return false; -} - -int -mount_item::fnmunge (char *dst, const char *src, int& left) -{ - int name_type; - if (!(name_type = special_name (src))) - { - if ((int) strlen (src) >= left) - return ENAMETOOLONG; - else - strcpy (dst, src); - } - else - { - char *d = dst; - if (copy1 (d, src, left)) - return ENAMETOOLONG; - if (name_type < 0 && copyenc (d, src, left)) - return ENAMETOOLONG; - - while (*src) - if (!strchr (special_chars, *src) || (*src == '%' && !special_char (src))) - { - if (copy1 (d, src, left)) - return ENAMETOOLONG; - } - else if (copyenc (d, src, left)) - return ENAMETOOLONG; - - char dot[] = "."; - const char *p = dot; - if (*--d != '.') - d++; - else if (copyenc (d, p, left)) - return ENAMETOOLONG; - - *d = *src; - } - - backslashify (dst, dst, 0); - return 0; -} - -int -mount_item::build_win32 (char *dst, const char *src, unsigned *outflags, unsigned chroot_pathlen) -{ - int n, err = 0; - const char *real_native_path; - int real_posix_pathlen; - set_flags (outflags, (unsigned) flags); - if (!cygheap->root.exists () || posix_pathlen != 1 || posix_path[0] != '/') - { - n = native_pathlen; - real_native_path = native_path; - real_posix_pathlen = chroot_pathlen ?: posix_pathlen; - } - else - { - n = cygheap->root.native_length (); - real_native_path = cygheap->root.native_path (); - real_posix_pathlen = posix_pathlen; - } - memcpy (dst, real_native_path, n + 1); - const char *p = src + real_posix_pathlen; - if (*p == '/') - /* nothing */; - else if ((!(flags & MOUNT_ENC) && isdrive (dst) && !dst[2]) || *p) - dst[n++] = '\\'; - if (!*p || !(flags & MOUNT_ENC)) - { - if ((n + strlen (p)) > CYG_MAX_PATH) - err = ENAMETOOLONG; - else - backslashify (p, dst + n, 0); - } - else - { - int left = CYG_MAX_PATH - n; - while (*p) - { - char slash = 0; - char *s = strchr (p + 1, '/'); - if (s) - { - slash = *s; - *s = '\0'; - } - err = fnmunge (dst += n, p, left); - if (!s || err) - break; - n = strlen (dst); - *s = slash; - p = s; - } - } - return err; -} - -/* conv_to_win32_path: Ensure src_path is a pure Win32 path and store - the result in win32_path. - - If win32_path != NULL, the relative path, if possible to keep, is - stored in win32_path. If the relative path isn't possible to keep, - the full path is stored. - - If full_win32_path != NULL, the full path is stored there. - - The result is zero for success, or an errno value. - - {,full_}win32_path must have sufficient space (i.e. CYG_MAX_PATH bytes). */ - -int -mount_info::conv_to_win32_path (const char *src_path, char *dst, device& dev, - unsigned *flags) -{ - bool chroot_ok = !cygheap->root.exists (); - while (sys_mount_table_counter < cygwin_shared->sys_mount_table_counter) - { - init (); - sys_mount_table_counter++; - } - MALLOC_CHECK; - - dev.devn = FH_FS; - - *flags = 0; - debug_printf ("conv_to_win32_path (%s)", src_path); - - int i, rc; - mount_item *mi = NULL; /* initialized to avoid compiler warning */ - - /* The path is already normalized, without ../../ stuff, we need to have this - so that we can move from one mounted directory to another with relative - stuff. - - eg mounting c:/foo /foo - d:/bar /bar - - cd /bar - ls ../foo - - should look in c:/foo, not d:/foo. - - converting normalizex UNIX path to a DOS-style path, looking up the - appropriate drive in the mount table. */ - - /* See if this is a cygwin "device" */ - if (win32_device_name (src_path, dst, dev)) - { - *flags = MOUNT_BINARY; /* FIXME: Is this a sensible default for devices? */ - rc = 0; - goto out_no_chroot_check; - } - - /* Check if the cygdrive prefix was specified. If so, just strip - off the prefix and transform it into an MS-DOS path. */ - MALLOC_CHECK; - if (isproc (src_path)) - { - dev = *proc_dev; - dev.devn = fhandler_proc::get_proc_fhandler (src_path); - if (dev.devn == FH_BAD) - return ENOENT; - set_flags (flags, PATH_BINARY); - strcpy (dst, src_path); - goto out; - } - else if (iscygdrive (src_path)) - { - int n = mount_table->cygdrive_len - 1; - int unit; - - if (!src_path[n] || - (src_path[n] == '/' && src_path[n + 1] == '.' && !src_path[n + 2])) - { - unit = 0; - dst[0] = '\0'; - if (mount_table->cygdrive_len > 1) - dev = *cygdrive_dev; - } - else if (cygdrive_win32_path (src_path, dst, unit)) - { - set_flags (flags, (unsigned) cygdrive_flags); - goto out; - } - else if (mount_table->cygdrive_len > 1) - return ENOENT; - } - - int chroot_pathlen; - chroot_pathlen = 0; - /* Check the mount table for prefix matches. */ - for (i = 0; i < nmounts; i++) - { - const char *path; - int len; - - mi = mount + posix_sorted[i]; - if (!cygheap->root.exists () - || (mi->posix_pathlen == 1 && mi->posix_path[0] == '/')) - { - path = mi->posix_path; - len = mi->posix_pathlen; - } - else if (cygheap->root.posix_ok (mi->posix_path)) - { - path = cygheap->root.unchroot (mi->posix_path); - chroot_pathlen = len = strlen (path); - } - else - { - chroot_pathlen = 0; - continue; - } - - if (path_prefix_p (path, src_path, len)) - break; - } - - if (i < nmounts) - { - int err = mi->build_win32 (dst, src_path, flags, chroot_pathlen); - if (err) - return err; - chroot_ok = true; - } - else - { - if (strchr (src_path, ':') == NULL && !is_unc_share (src_path)) - set_flags (flags, PATH_BINARY); - backslashify (src_path, dst, 0); - } - - out: - MALLOC_CHECK; - if (chroot_ok || cygheap->root.ischroot_native (dst)) - rc = 0; - else - { - debug_printf ("attempt to access outside of chroot '%s = %s'", - cygheap->root.posix_path (), cygheap->root.native_path ()); - rc = ENOENT; - } - - out_no_chroot_check: - debug_printf ("src_path %s, dst %s, flags %p, rc %d", src_path, dst, *flags, rc); - return rc; -} - -/* cygdrive_posix_path: Build POSIX path used as the - mount point for cygdrives created when there is no other way to - obtain a POSIX path from a Win32 one. */ - -void -mount_info::cygdrive_posix_path (const char *src, char *dst, int trailing_slash_p) -{ - int len = cygdrive_len; - - memcpy (dst, cygdrive, len + 1); - - /* Now finish the path off with the drive letter to be used. - The cygdrive prefix always ends with a trailing slash so - the drive letter is added after the path. */ - dst[len++] = cyg_tolower (src[0]); - if (!src[2] || (isdirsep (src[2]) && !src[3])) - dst[len++] = '\000'; - else - { - int n; - dst[len++] = '/'; - if (isdirsep (src[2])) - n = 3; - else - n = 2; - strcpy (dst + len, src + n); - } - slashify (dst, dst, trailing_slash_p); -} - -int -mount_info::cygdrive_win32_path (const char *src, char *dst, int& unit) -{ - int res; - const char *p = src + cygdrive_len; - if (!isalpha (*p) || (!isdirsep (p[1]) && p[1])) - { - unit = -1; /* FIXME: should be zero, maybe? */ - dst[0] = '\0'; - res = 0; - } - else - { - dst[0] = cyg_tolower (*p); - dst[1] = ':'; - strcpy (dst + 2, p + 1); - backslashify (dst, dst, !dst[2]); - unit = dst[0]; - res = 1; - } - debug_printf ("src '%s', dst '%s'", src, dst); - return res; -} - -/* conv_to_posix_path: Ensure src_path is a POSIX path. - - The result is zero for success, or an errno value. - posix_path must have sufficient space (i.e. CYG_MAX_PATH bytes). - If keep_rel_p is non-zero, relative paths stay that way. */ - -int -mount_info::conv_to_posix_path (const char *src_path, char *posix_path, - int keep_rel_p) -{ - int src_path_len = strlen (src_path); - int relative_path_p = !isabspath (src_path); - int trailing_slash_p; - - if (src_path_len <= 1) - trailing_slash_p = 0; - else - { - const char *lastchar = src_path + src_path_len - 1; - trailing_slash_p = isdirsep (*lastchar) && lastchar[-1] != ':'; - } - - debug_printf ("conv_to_posix_path (%s, %s, %s)", src_path, - keep_rel_p ? "keep-rel" : "no-keep-rel", - trailing_slash_p ? "add-slash" : "no-add-slash"); - MALLOC_CHECK; - - if (src_path_len >= CYG_MAX_PATH) - { - debug_printf ("ENAMETOOLONG"); - return ENAMETOOLONG; - } - - /* FIXME: For now, if the path is relative and it's supposed to stay - that way, skip mount table processing. */ - - if (keep_rel_p && relative_path_p) - { - slashify (src_path, posix_path, 0); - debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path); - return 0; - } - - char pathbuf[CYG_MAX_PATH]; - char * tail; - int rc = normalize_win32_path (src_path, pathbuf, &tail); - if (rc != 0) - { - debug_printf ("%d = conv_to_posix_path (%s)", rc, src_path); - return rc; - } - - int pathbuflen = tail - pathbuf; - for (int i = 0; i < nmounts; ++i) - { - mount_item &mi = mount[native_sorted[i]]; - if (!path_prefix_p (mi.native_path, pathbuf, mi.native_pathlen)) - continue; - - if (cygheap->root.exists () && !cygheap->root.posix_ok (mi.posix_path)) - continue; - - /* SRC_PATH is in the mount table. */ - int nextchar; - const char *p = pathbuf + mi.native_pathlen; - - if (!*p || !p[1]) - nextchar = 0; - else if (isdirsep (*p)) - nextchar = -1; - else - nextchar = 1; - - int addslash = nextchar > 0 ? 1 : 0; - if ((mi.posix_pathlen + (pathbuflen - mi.native_pathlen) + addslash) >= CYG_MAX_PATH) - return ENAMETOOLONG; - strcpy (posix_path, mi.posix_path); - if (addslash) - strcat (posix_path, "/"); - if (nextchar) - slashify (p, - posix_path + addslash + (mi.posix_pathlen == 1 ? 0 : mi.posix_pathlen), - trailing_slash_p); - - if (cygheap->root.exists ()) - { - const char *p = cygheap->root.unchroot (posix_path); - memmove (posix_path, p, strlen (p) + 1); - } - if (mi.flags & MOUNT_ENC) - { - char tmpbuf[CYG_MAX_PATH + 1]; - if (fnunmunge (tmpbuf, posix_path)) - strcpy (posix_path, tmpbuf); - } - goto out; - } - - if (!cygheap->root.exists ()) - /* nothing */; - else if (cygheap->root.ischroot_native (pathbuf)) - { - const char *p = pathbuf + cygheap->root.native_length (); - if (*p) - slashify (p, posix_path, trailing_slash_p); - else - { - posix_path[0] = '/'; - posix_path[1] = '\0'; - } - } - else - return ENOENT; - - /* Not in the database. This should [theoretically] only happen if either - the path begins with //, or / isn't mounted, or the path has a drive - letter not covered by the mount table. If it's a relative path then the - caller must want an absolute path (otherwise we would have returned - above). So we always return an absolute path at this point. */ - if (isdrive (pathbuf)) - cygdrive_posix_path (pathbuf, posix_path, trailing_slash_p); - else - { - /* The use of src_path and not pathbuf here is intentional. - We couldn't translate the path, so just ensure no \'s are present. */ - slashify (src_path, posix_path, trailing_slash_p); - } - -out: - debug_printf ("%s = conv_to_posix_path (%s)", posix_path, src_path); - MALLOC_CHECK; - return 0; -} - -/* Return flags associated with a mount point given the win32 path. */ - -unsigned -mount_info::set_flags_from_win32_path (const char *p) -{ - for (int i = 0; i < nmounts; i++) - { - mount_item &mi = mount[native_sorted[i]]; - if (path_prefix_p (mi.native_path, p, mi.native_pathlen)) - return mi.flags; - } - return PATH_BINARY; -} - -/* read_mounts: Given a specific regkey, read mounts from under its - key. */ - -void -mount_info::read_mounts (reg_key& r) -{ - char posix_path[CYG_MAX_PATH]; - HKEY key = r.get_key (); - DWORD i, posix_path_size; - int res; - - /* Loop through subkeys */ - /* FIXME: we would like to not check MAX_MOUNTS but the heap in the - shared area is currently statically allocated so we can't have an - arbitrarily large number of mounts. */ - for (i = 0; ; i++) - { - char native_path[CYG_MAX_PATH]; - int mount_flags; - - posix_path_size = CYG_MAX_PATH; - /* FIXME: if maximum posix_path_size is 256, we're going to - run into problems if we ever try to store a mount point that's - over 256 but is under CYG_MAX_PATH. */ - res = RegEnumKeyEx (key, i, posix_path, &posix_path_size, NULL, - NULL, NULL, NULL); - - if (res == ERROR_NO_MORE_ITEMS) - break; - else if (res != ERROR_SUCCESS) - { - debug_printf ("RegEnumKeyEx failed, error %d!", res); - break; - } - - /* Get a reg_key based on i. */ - reg_key subkey = reg_key (key, KEY_READ, posix_path, NULL); - - /* Fetch info from the subkey. */ - subkey.get_string ("native", native_path, sizeof (native_path), ""); - mount_flags = subkey.get_int ("flags", 0); - - /* Add mount_item corresponding to registry mount point. */ - res = mount_table->add_item (native_path, posix_path, mount_flags, false); - if (res && get_errno () == EMFILE) - break; /* The number of entries exceeds MAX_MOUNTS */ - } -} - -/* from_registry: Build the entire mount table from the registry. Also, - read in cygdrive-related information from its registry location. */ - -void -mount_info::from_registry () -{ - /* Use current mount areas if either user or system mount areas - already exist. Otherwise, import old mounts. */ - - reg_key r; - - /* Retrieve cygdrive-related information. */ - read_cygdrive_info_from_registry (); - - nmounts = 0; - - /* First read mounts from user's table. */ - read_mounts (r); - - /* Then read mounts from system-wide mount table. */ - reg_key r1 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - read_mounts (r1); -} - -/* add_reg_mount: Add mount item to registry. Return zero on success, - non-zero on failure. */ -/* FIXME: Need a mutex to avoid collisions with other tasks. */ - -int -mount_info::add_reg_mount (const char *native_path, const char *posix_path, unsigned mountflags) -{ - int res = 0; - - if (strchr (posix_path, '\\')) - { - set_errno (EINVAL); - goto err1; - } - - /* Add the mount to the right registry location, depending on - whether MOUNT_SYSTEM is set in the mount flags. */ - if (!(mountflags & MOUNT_SYSTEM)) /* current_user mount */ - { - /* reg_key for user mounts in HKEY_CURRENT_USER. */ - reg_key reg_user; - - /* Start by deleting existing mount if one exists. */ - res = reg_user.kill (posix_path); - if (res != ERROR_SUCCESS && res != ERROR_FILE_NOT_FOUND) - goto err; - - /* Create the new mount. */ - reg_key subkey = reg_key (reg_user.get_key (), - KEY_ALL_ACCESS, - posix_path, NULL); - res = subkey.set_string ("native", native_path); - if (res != ERROR_SUCCESS) - goto err; - res = subkey.set_int ("flags", mountflags); - } - else /* local_machine mount */ - { - /* reg_key for system mounts in HKEY_LOCAL_MACHINE. */ - reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - /* Start by deleting existing mount if one exists. */ - res = reg_sys.kill (posix_path); - if (res != ERROR_SUCCESS && res != ERROR_FILE_NOT_FOUND) - goto err; - - /* Create the new mount. */ - reg_key subkey = reg_key (reg_sys.get_key (), - KEY_ALL_ACCESS, - posix_path, NULL); - res = subkey.set_string ("native", native_path); - if (res != ERROR_SUCCESS) - goto err; - res = subkey.set_int ("flags", mountflags); - - sys_mount_table_counter++; - cygwin_shared->sys_mount_table_counter++; - } - - return 0; /* Success */ - err: - __seterrno_from_win_error (res); - err1: - return -1; -} - -/* del_reg_mount: delete mount item from registry indicated in flags. - Return zero on success, non-zero on failure.*/ -/* FIXME: Need a mutex to avoid collisions with other tasks. */ - -int -mount_info::del_reg_mount (const char * posix_path, unsigned flags) -{ - int res; - - if (!(flags & MOUNT_SYSTEM)) /* Delete from user registry */ - { - reg_key reg_user (KEY_ALL_ACCESS, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, NULL); - res = reg_user.kill (posix_path); - } - else /* Delete from system registry */ - { - sys_mount_table_counter++; - cygwin_shared->sys_mount_table_counter++; - reg_key reg_sys (HKEY_LOCAL_MACHINE, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - res = reg_sys.kill (posix_path); - } - - if (res != ERROR_SUCCESS) - { - __seterrno_from_win_error (res); - return -1; - } - - return 0; /* Success */ -} - -/* read_cygdrive_info_from_registry: Read the default prefix and flags - to use when creating cygdrives from the special user registry - location used to store cygdrive information. */ - -void -mount_info::read_cygdrive_info_from_registry () -{ - /* reg_key for user path prefix in HKEY_CURRENT_USER. */ - reg_key r; - - if (r.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive, sizeof (cygdrive), "") != 0) - { - /* Didn't find the user path prefix so check the system path prefix. */ - - /* reg_key for system path prefix in HKEY_LOCAL_MACHINE. */ - reg_key r2 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - if (r2.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive, - sizeof (cygdrive), "")) - strcpy (cygdrive, CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX); - cygdrive_flags = r2.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE); - slashify (cygdrive, cygdrive, 1); - cygdrive_len = strlen (cygdrive); - } - else - { - /* Fetch user cygdrive_flags from registry; returns MOUNT_CYGDRIVE on - error. */ - cygdrive_flags = r.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE); - slashify (cygdrive, cygdrive, 1); - cygdrive_len = strlen (cygdrive); - } -} - -/* write_cygdrive_info_to_registry: Write the default prefix and flags - to use when creating cygdrives to the special user registry - location used to store cygdrive information. */ - -int -mount_info::write_cygdrive_info_to_registry (const char *cygdrive_prefix, unsigned flags) -{ - /* Determine whether to modify user or system cygdrive path prefix. */ - HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER; - - if (flags & MOUNT_SYSTEM) - { - sys_mount_table_counter++; - cygwin_shared->sys_mount_table_counter++; - } - - /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in - HKEY_LOCAL_MACHINE. */ - reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - /* Verify cygdrive prefix starts with a forward slash and if there's - another character, it's not a slash. */ - if ((cygdrive_prefix == NULL) || (*cygdrive_prefix == 0) || - (!isslash (cygdrive_prefix[0])) || - ((cygdrive_prefix[1] != '\0') && (isslash (cygdrive_prefix[1])))) - { - set_errno (EINVAL); - return -1; - } - - char hold_cygdrive_prefix[strlen (cygdrive_prefix) + 1]; - /* Ensure that there is never a final slash */ - nofinalslash (cygdrive_prefix, hold_cygdrive_prefix); - - int res; - res = r.set_string (CYGWIN_INFO_CYGDRIVE_PREFIX, hold_cygdrive_prefix); - if (res != ERROR_SUCCESS) - { - __seterrno_from_win_error (res); - return -1; - } - r.set_int (CYGWIN_INFO_CYGDRIVE_FLAGS, flags); - - /* This also needs to go in the in-memory copy of "cygdrive", but only if - appropriate: - 1. setting user path prefix, or - 2. overwriting (a previous) system path prefix */ - if (!(flags & MOUNT_SYSTEM) || (mount_table->cygdrive_flags & MOUNT_SYSTEM)) - { - slashify (cygdrive_prefix, mount_table->cygdrive, 1); - mount_table->cygdrive_flags = flags; - mount_table->cygdrive_len = strlen (mount_table->cygdrive); - } - - return 0; -} - -int -mount_info::remove_cygdrive_info_from_registry (const char *cygdrive_prefix, unsigned flags) -{ - /* Determine whether to modify user or system cygdrive path prefix. */ - HKEY top = (flags & MOUNT_SYSTEM) ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER; - - if (flags & MOUNT_SYSTEM) - { - sys_mount_table_counter++; - cygwin_shared->sys_mount_table_counter++; - } - - /* reg_key for user path prefix in HKEY_CURRENT_USER or system path prefix in - HKEY_LOCAL_MACHINE. */ - reg_key r (top, KEY_ALL_ACCESS, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - - /* Delete cygdrive prefix and flags. */ - int res = r.killvalue (CYGWIN_INFO_CYGDRIVE_PREFIX); - int res2 = r.killvalue (CYGWIN_INFO_CYGDRIVE_FLAGS); - - /* Reinitialize the cygdrive path prefix to reflect to removal from the - registry. */ - read_cygdrive_info_from_registry (); - - return (res != ERROR_SUCCESS) ? res : res2; -} - -int -mount_info::get_cygdrive_info (char *user, char *system, char* user_flags, - char* system_flags) -{ - /* Get the user path prefix from HKEY_CURRENT_USER. */ - reg_key r; - int res = r.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, user, CYG_MAX_PATH, ""); - - /* Get the user flags, if appropriate */ - if (res == ERROR_SUCCESS) - { - int flags = r.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE); - strcpy (user_flags, (flags & MOUNT_BINARY) ? "binmode" : "textmode"); - } - - /* Get the system path prefix from HKEY_LOCAL_MACHINE. */ - reg_key r2 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE", - CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME, - CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME, - NULL); - int res2 = r2.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, system, CYG_MAX_PATH, ""); - - /* Get the system flags, if appropriate */ - if (res2 == ERROR_SUCCESS) - { - int flags = r2.get_int (CYGWIN_INFO_CYGDRIVE_FLAGS, MOUNT_CYGDRIVE); - strcpy (system_flags, (flags & MOUNT_BINARY) ? "binmode" : "textmode"); - } - - return (res != ERROR_SUCCESS) ? res : res2; -} - -static mount_item *mounts_for_sort; - -/* sort_by_posix_name: qsort callback to sort the mount entries. Sort - user mounts ahead of system mounts to the same POSIX path. */ -/* FIXME: should the user should be able to choose whether to - prefer user or system mounts??? */ -static int -sort_by_posix_name (const void *a, const void *b) -{ - mount_item *ap = mounts_for_sort + (*((int*) a)); - mount_item *bp = mounts_for_sort + (*((int*) b)); - - /* Base weighting on longest posix path first so that the most - obvious path will be chosen. */ - size_t alen = strlen (ap->posix_path); - size_t blen = strlen (bp->posix_path); - - int res = blen - alen; - - if (res) - return res; /* Path lengths differed */ - - /* The two paths were the same length, so just determine normal - lexical sorted order. */ - res = strcmp (ap->posix_path, bp->posix_path); - - if (res == 0) - { - /* need to select between user and system mount to same POSIX path */ - if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */ - return 1; - else - return -1; - } - - return res; -} - -/* sort_by_native_name: qsort callback to sort the mount entries. Sort - user mounts ahead of system mounts to the same POSIX path. */ -/* FIXME: should the user should be able to choose whether to - prefer user or system mounts??? */ -static int -sort_by_native_name (const void *a, const void *b) -{ - mount_item *ap = mounts_for_sort + (*((int*) a)); - mount_item *bp = mounts_for_sort + (*((int*) b)); - - /* Base weighting on longest win32 path first so that the most - obvious path will be chosen. */ - size_t alen = strlen (ap->native_path); - size_t blen = strlen (bp->native_path); - - int res = blen - alen; - - if (res) - return res; /* Path lengths differed */ - - /* The two paths were the same length, so just determine normal - lexical sorted order. */ - res = strcmp (ap->native_path, bp->native_path); - - if (res == 0) - { - /* need to select between user and system mount to same POSIX path */ - if (!(bp->flags & MOUNT_SYSTEM)) /* user mount */ - return 1; - else - return -1; - } - - return res; -} - -void -mount_info::sort () -{ - for (int i = 0; i < nmounts; i++) - native_sorted[i] = posix_sorted[i] = i; - /* Sort them into reverse length order, otherwise we won't - be able to look for /foo in /. */ - mounts_for_sort = mount; /* ouch. */ - qsort (posix_sorted, nmounts, sizeof (posix_sorted[0]), sort_by_posix_name); - qsort (native_sorted, nmounts, sizeof (native_sorted[0]), sort_by_native_name); -} - -/* Add an entry to the mount table. - Returns 0 on success, -1 on failure and errno is set. - - This is where all argument validation is done. It may not make sense to - do this when called internally, but it's cleaner to keep it all here. */ - -int -mount_info::add_item (const char *native, const char *posix, unsigned mountflags, int reg_p) -{ - /* Something's wrong if either path is NULL or empty, or if it's - not a UNC or absolute path. */ - - if ((native == NULL) || (*native == 0) || - (posix == NULL) || (*posix == 0) || - !isabspath (native) || !isabspath (posix) || - is_unc_share (posix) || isdrive (posix)) - { - set_errno (EINVAL); - return -1; - } - - /* Make sure both paths do not end in /. */ - char nativetmp[CYG_MAX_PATH]; - char posixtmp[CYG_MAX_PATH]; - - backslashify (native, nativetmp, 0); - nofinalslash (nativetmp, nativetmp); - - slashify (posix, posixtmp, 0); - nofinalslash (posixtmp, posixtmp); - - debug_printf ("%s[%s], %s[%s], %p", - native, nativetmp, posix, posixtmp, mountflags); - - /* Duplicate /'s in path are an error. */ - for (char *p = posixtmp + 1; *p; ++p) - { - if (p[-1] == '/' && p[0] == '/') - { - set_errno (EINVAL); - return -1; - } - } - - /* Write over an existing mount item with the same POSIX path if - it exists and is from the same registry area. */ - int i; - for (i = 0; i < nmounts; i++) - { - if (strcasematch (mount[i].posix_path, posixtmp) && - (mount[i].flags & MOUNT_SYSTEM) == (mountflags & MOUNT_SYSTEM)) - break; - } - - if (i == nmounts && nmounts == MAX_MOUNTS) - { - set_errno (EMFILE); - return -1; - } - - if (reg_p && add_reg_mount (nativetmp, posixtmp, mountflags)) - return -1; - - if (i == nmounts) - nmounts++; - mount[i].init (nativetmp, posixtmp, mountflags); - sort (); - - return 0; -} - -/* Delete a mount table entry where path is either a Win32 or POSIX - path. Since the mount table is really just a table of aliases, - deleting / is ok (although running without a slash mount is - strongly discouraged because some programs may run erratically - without one). If MOUNT_SYSTEM is set in flags, remove from system - registry, otherwise remove the user registry mount. -*/ - -int -mount_info::del_item (const char *path, unsigned flags, int reg_p) -{ - char pathtmp[CYG_MAX_PATH]; - int posix_path_p = false; - - /* Something's wrong if path is NULL or empty. */ - if (path == NULL || *path == 0 || !isabspath (path)) - { - set_errno (EINVAL); - return -1; - } - - if (is_unc_share (path) || strpbrk (path, ":\\")) - backslashify (path, pathtmp, 0); - else - { - slashify (path, pathtmp, 0); - posix_path_p = true; - } - nofinalslash (pathtmp, pathtmp); - - if (reg_p && posix_path_p && - del_reg_mount (pathtmp, flags) && - del_reg_mount (path, flags)) /* for old irregular entries */ - return -1; - - for (int i = 0; i < nmounts; i++) - { - int ent = native_sorted[i]; /* in the same order as getmntent() */ - if (((posix_path_p) - ? strcasematch (mount[ent].posix_path, pathtmp) - : strcasematch (mount[ent].native_path, pathtmp)) && - (mount[ent].flags & MOUNT_SYSTEM) == (flags & MOUNT_SYSTEM)) - { - if (!posix_path_p && - reg_p && del_reg_mount (mount[ent].posix_path, flags)) - return -1; - - nmounts--; /* One less mount table entry */ - /* Fill in the hole if not at the end of the table */ - if (ent < nmounts) - memmove (mount + ent, mount + ent + 1, - sizeof (mount[ent]) * (nmounts - ent)); - sort (); /* Resort the table */ - return 0; - } - } - set_errno (EINVAL); - return -1; -} - -/************************* mount_item class ****************************/ - -static mntent * -fillout_mntent (const char *native_path, const char *posix_path, unsigned flags) -{ - struct mntent& ret=_my_tls.locals.mntbuf; - - /* Remove drivenum from list if we see a x: style path */ - if (strlen (native_path) == 2 && native_path[1] == ':') - { - int drivenum = cyg_tolower (native_path[0]) - 'a'; - if (drivenum >= 0 && drivenum <= 31) - _my_tls.locals.available_drives &= ~(1 << drivenum); - } - - /* Pass back pointers to mount_table strings reserved for use by - getmntent rather than pointers to strings in the internal mount - table because the mount table might change, causing weird effects - from the getmntent user's point of view. */ - - strcpy (_my_tls.locals.mnt_fsname, native_path); - ret.mnt_fsname = _my_tls.locals.mnt_fsname; - strcpy (_my_tls.locals.mnt_dir, posix_path); - ret.mnt_dir = _my_tls.locals.mnt_dir; - - if (!(flags & MOUNT_SYSTEM)) /* user mount */ - strcpy (_my_tls.locals.mnt_type, (char *) "user"); - else /* system mount */ - strcpy (_my_tls.locals.mnt_type, (char *) "system"); - - ret.mnt_type = _my_tls.locals.mnt_type; - - /* mnt_opts is a string that details mount params such as - binary or textmode, or exec. We don't print - `silent' here; it's a magic internal thing. */ - - if (!(flags & MOUNT_BINARY)) - strcpy (_my_tls.locals.mnt_opts, (char *) "textmode"); - else - strcpy (_my_tls.locals.mnt_opts, (char *) "binmode"); - - if (flags & MOUNT_CYGWIN_EXEC) - strcat (_my_tls.locals.mnt_opts, (char *) ",cygexec"); - else if (flags & MOUNT_EXEC) - strcat (_my_tls.locals.mnt_opts, (char *) ",exec"); - else if (flags & MOUNT_NOTEXEC) - strcat (_my_tls.locals.mnt_opts, (char *) ",noexec"); - if (flags & MOUNT_ENC) - strcat (_my_tls.locals.mnt_opts, ",managed"); - - if ((flags & MOUNT_CYGDRIVE)) /* cygdrive */ - strcat (_my_tls.locals.mnt_opts, (char *) ",noumount"); - ret.mnt_opts = _my_tls.locals.mnt_opts; - - ret.mnt_freq = 1; - ret.mnt_passno = 1; - return &ret; -} - -struct mntent * -mount_item::getmntent () -{ - return fillout_mntent (native_path, posix_path, flags); -} - -static struct mntent * -cygdrive_getmntent () -{ - char native_path[4]; - char posix_path[CYG_MAX_PATH]; - DWORD mask = 1, drive = 'a'; - struct mntent *ret = NULL; - - while (_my_tls.locals.available_drives) - { - for (/* nothing */; drive <= 'z'; mask <<= 1, drive++) - if (_my_tls.locals.available_drives & mask) - break; - - __small_sprintf (native_path, "%c:\\", drive); - if (GetFileAttributes (native_path) == INVALID_FILE_ATTRIBUTES) - { - _my_tls.locals.available_drives &= ~mask; - continue; - } - native_path[2] = '\0'; - __small_sprintf (posix_path, "%s%c", mount_table->cygdrive, drive); - ret = fillout_mntent (native_path, posix_path, mount_table->cygdrive_flags); - break; - } - - return ret; -} - -struct mntent * -mount_info::getmntent (int x) -{ - if (x < 0 || x >= nmounts) - return cygdrive_getmntent (); - - return mount[native_sorted[x]].getmntent (); -} - -/* Fill in the fields of a mount table entry. */ - -void -mount_item::init (const char *native, const char *posix, unsigned mountflags) -{ - strcpy ((char *) native_path, native); - strcpy ((char *) posix_path, posix); - - native_pathlen = strlen (native_path); - posix_pathlen = strlen (posix_path); - - flags = mountflags; -} - -/********************** Mount System Calls **************************/ - -/* Mount table system calls. - Note that these are exported to the application. */ - -/* mount: Add a mount to the mount table in memory and to the registry - that will cause paths under win32_path to be translated to paths - under posix_path. */ - -extern "C" int -mount (const char *win32_path, const char *posix_path, unsigned flags) -{ - int res = -1; - - if (check_null_empty_str_errno (posix_path)) - /* errno set */; - else if (strpbrk (posix_path, "\\:")) - set_errno (EINVAL); - else if (flags & MOUNT_CYGDRIVE) /* normal mount */ - { - /* When flags include MOUNT_CYGDRIVE, take this to mean that - we actually want to change the cygdrive prefix and flags - without actually mounting anything. */ - res = mount_table->write_cygdrive_info_to_registry (posix_path, flags); - win32_path = NULL; - } - else if (!check_null_empty_str_errno (win32_path)) - res = mount_table->add_item (win32_path, posix_path, flags, true); - - syscall_printf ("%d = mount (%s, %s, %p)", res, win32_path, posix_path, flags); - return res; -} - -/* umount: The standard umount call only has a path parameter. Since - it is not possible for this call to specify whether to remove the - mount from the user or global mount registry table, assume the user - table. */ - -extern "C" int -umount (const char *path) -{ - if (check_null_empty_str_errno (path)) - return -1; - return cygwin_umount (path, 0); -} - -/* cygwin_umount: This is like umount but takes an additional flags - parameter that specifies whether to umount from the user or system-wide - registry area. */ - -extern "C" int -cygwin_umount (const char *path, unsigned flags) -{ - int res = -1; - - if (flags & MOUNT_CYGDRIVE) - { - /* When flags include MOUNT_CYGDRIVE, take this to mean that we actually want - to remove the cygdrive prefix and flags without actually unmounting - anything. */ - res = mount_table->remove_cygdrive_info_from_registry (path, flags); - } - else - { - res = mount_table->del_item (path, flags, true); - } - - syscall_printf ("%d = cygwin_umount (%s, %d)", res, path, flags); - return res; -} - -extern "C" FILE * -setmntent (const char *filep, const char *) -{ - _my_tls.locals.iteration = 0; - _my_tls.locals.available_drives = GetLogicalDrives (); - return (FILE *) filep; -} - -extern "C" struct mntent * -getmntent (FILE *) -{ - return mount_table->getmntent (_my_tls.locals.iteration++); -} - -extern "C" int -endmntent (FILE *) -{ - return 1; -} - -/********************** Symbolic Link Support **************************/ - -/* Read symlink from Extended Attribute */ -int -get_symlink_ea (const char* frompath, char* buf, int buf_size) -{ - int res = NTReadEA (frompath, SYMLINK_EA_NAME, buf, buf_size); - if (res == 0) - debug_printf ("Cannot read symlink from EA"); - return (res - 1); -} - -/* Save symlink to Extended Attribute */ -bool -set_symlink_ea (const char* frompath, const char* topath) -{ - if (!NTWriteEA (frompath, SYMLINK_EA_NAME, topath, strlen (topath) + 1)) - { - debug_printf ("Cannot save symlink in EA"); - return false; - } - return true; -} - -/* Create a symlink from FROMPATH to TOPATH. */ - -/* If TRUE create symlinks as Windows shortcuts, if false create symlinks - as normal files with magic number and system bit set. */ -bool allow_winsymlinks = true; - -extern "C" int -symlink (const char *topath, const char *frompath) -{ - return symlink_worker (topath, frompath, allow_winsymlinks, false); -} - -int -symlink_worker (const char *topath, const char *frompath, bool use_winsym, - bool isdevice) -{ - HANDLE h; - int res = -1; - path_conv win32_path, win32_topath; - char from[CYG_MAX_PATH + 5]; - char cwd[CYG_MAX_PATH + 1], *cp = NULL, c = 0; - char w32topath[CYG_MAX_PATH + 1]; - DWORD written; - SECURITY_ATTRIBUTES sa = sec_none_nih; - security_descriptor sd; - - /* POSIX says that empty 'frompath' is invalid input whlie empty - 'topath' is valid -- it's symlink resolver job to verify if - symlink contents point to existing filesystem object */ - if (check_null_empty_str_errno (topath) == EFAULT || - check_null_empty_str_errno (frompath)) - goto done; - - if (strlen (topath) >= CYG_MAX_PATH) - { - set_errno (ENAMETOOLONG); - goto done; - } - - win32_path.check (frompath, PC_SYM_NOFOLLOW); - if (use_winsym && !win32_path.exists ()) - { - strcpy (from, frompath); - strcat (from, ".lnk"); - win32_path.check (from, PC_SYM_NOFOLLOW); - } - - if (win32_path.error) - { - set_errno (win32_path.case_clash ? ECASECLASH : win32_path.error); - goto done; - } - - syscall_printf ("symlink (%s, %s)", topath, win32_path.get_win32 ()); - - if (win32_path.is_auto_device ()) - { - set_errno (EEXIST); - goto done; - } - - DWORD create_how; - if (!use_winsym) - create_how = CREATE_NEW; - else if (isdevice) - { - strcpy (w32topath, topath); - create_how = CREATE_ALWAYS; - (void) SetFileAttributes (win32_path, FILE_ATTRIBUTE_NORMAL); - } - else - { - if (!isabspath (topath)) - { - getcwd (cwd, CYG_MAX_PATH + 1); - if ((cp = strrchr (from, '/')) || (cp = strrchr (from, '\\'))) - { - c = *cp; - *cp = '\0'; - chdir (from); - } - backslashify (topath, w32topath, 0); - } - if (!cp || GetFileAttributes (w32topath) == INVALID_FILE_ATTRIBUTES) - { - win32_topath.check (topath, PC_SYM_NOFOLLOW); - if (!cp || win32_topath.error != ENOENT) - strcpy (w32topath, win32_topath); - } - if (cp) - { - *cp = c; - chdir (cwd); - } - create_how = CREATE_NEW; - } - - if (allow_ntsec && win32_path.has_acls ()) - set_security_attribute (S_IFLNK | STD_RBITS | STD_WBITS, - &sa, sd); - - h = CreateFile (win32_path, GENERIC_WRITE, 0, &sa, create_how, - FILE_ATTRIBUTE_NORMAL, 0); - if (h == INVALID_HANDLE_VALUE) - __seterrno (); - else - { - BOOL success; - - if (use_winsym) - { - create_shortcut_header (); - /* Don't change the datatypes of `len' and `win_len' since - their sizeof is used when writing. */ - unsigned short len = strlen (topath); - unsigned short win_len = strlen (w32topath); - success = WriteFile (h, shortcut_header, SHORTCUT_HDR_SIZE, - &written, NULL) - && written == SHORTCUT_HDR_SIZE - && WriteFile (h, &len, sizeof len, &written, NULL) - && written == sizeof len - && WriteFile (h, topath, len, &written, NULL) - && written == len - && WriteFile (h, &win_len, sizeof win_len, &written, NULL) - && written == sizeof win_len - && WriteFile (h, w32topath, win_len, &written, NULL) - && written == win_len; - } - else - { - /* This is the old technique creating a symlink. */ - char buf[sizeof (SYMLINK_COOKIE) + CYG_MAX_PATH + 10]; - - __small_sprintf (buf, "%s%s", SYMLINK_COOKIE, topath); - DWORD len = strlen (buf) + 1; - - /* Note that the terminating nul is written. */ - success = WriteFile (h, buf, len, &written, NULL) - || written != len; - - } - if (success) - { - CloseHandle (h); - if (!allow_ntsec && allow_ntea) - set_file_attribute (false, NULL, win32_path.get_win32 (), - S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO); - - DWORD attr = use_winsym ? FILE_ATTRIBUTE_READONLY - : FILE_ATTRIBUTE_SYSTEM; -#ifdef HIDDEN_DOT_FILES - cp = strrchr (win32_path, '\\'); - if ((cp && cp[1] == '.') || *win32_path == '.') - attr |= FILE_ATTRIBUTE_HIDDEN; -#endif - SetFileAttributes (win32_path, attr); - - if (!isdevice && win32_path.fs_has_ea ()) - set_symlink_ea (win32_path, topath); - res = 0; - } - else - { - __seterrno (); - CloseHandle (h); - DeleteFileA (win32_path.get_win32 ()); - } - } - -done: - syscall_printf ("%d = symlink_worker (%s, %s, %d, %d)", res, topath, - frompath, use_winsym, isdevice); - return res; -} - -static bool -cmp_shortcut_header (const char *file_header) -{ - create_shortcut_header (); - return memcmp (shortcut_header, file_header, SHORTCUT_HDR_SIZE); -} - -static int -check_shortcut (const char *path, DWORD fileattr, HANDLE h, - char *contents, int *error, unsigned *pflags) -{ - char file_header[SHORTCUT_HDR_SIZE]; - unsigned short len; - int res = 0; - DWORD got = 0; - - /* Valid Cygwin & U/WIN shortcuts are R/O. */ - if (!(fileattr & FILE_ATTRIBUTE_READONLY)) - goto file_not_symlink; - /* Read the files header information. This is used to check for a - Cygwin or U/WIN shortcut or later to check for executable files. */ - if (!ReadFile (h, file_header, SHORTCUT_HDR_SIZE, &got, 0)) - { - *error = EIO; - goto close_it; - } - /* Check header if the shortcut is really created by Cygwin or U/WIN. */ - if (got != SHORTCUT_HDR_SIZE || cmp_shortcut_header (file_header)) - goto file_not_symlink; - /* Next 2 byte are USHORT, containing length of description entry. */ - if (!ReadFile (h, &len, sizeof len, &got, 0)) - { - *error = EIO; - goto close_it; - } - if (got != sizeof len || len == 0 || len > CYG_MAX_PATH) - goto file_not_symlink; - /* Now read description entry. */ - if (!ReadFile (h, contents, len, &got, 0)) - { - *error = EIO; - goto close_it; - } - if (got != len) - goto file_not_symlink; - contents[len] = '\0'; - res = len; - if (res) /* It's a symlink. */ - *pflags = PATH_SYMLINK | PATH_LNK; - goto close_it; - -file_not_symlink: - /* Not a symlink, see if executable. */ - if (!(*pflags & PATH_ALL_EXEC) && has_exec_chars (file_header, got)) - *pflags |= PATH_EXEC; - -close_it: - CloseHandle (h); - return res; -} - - -static int -check_sysfile (const char *path, DWORD fileattr, HANDLE h, - char *contents, int *error, unsigned *pflags) -{ - char cookie_buf[sizeof (SYMLINK_COOKIE) - 1]; - DWORD got; - int res = 0; - - if (!ReadFile (h, cookie_buf, sizeof (cookie_buf), &got, 0)) - { - debug_printf ("ReadFile1 failed"); - *error = EIO; - } - else if (got == sizeof (cookie_buf) - && memcmp (cookie_buf, SYMLINK_COOKIE, sizeof (cookie_buf)) == 0) - { - /* It's a symlink. */ - *pflags = PATH_SYMLINK; - - res = ReadFile (h, contents, CYG_MAX_PATH + 1, &got, 0); - if (!res) - { - debug_printf ("ReadFile2 failed"); - *error = EIO; - } - else - { - /* Versions prior to b16 stored several trailing - NULs with the path (to fill the path out to 1024 - chars). Current versions only store one trailing - NUL. The length returned is the path without - *any* trailing NULs. We also have to handle (or - at least not die from) corrupted paths. */ - if (memchr (contents, 0, got) != NULL) - res = strlen (contents); - else - res = got; - } - } - else if (got == sizeof (cookie_buf) - && memcmp (cookie_buf, SOCKET_COOKIE, sizeof (cookie_buf)) == 0) - *pflags |= PATH_SOCKET; - else - { - /* Not a symlink, see if executable. */ - if (*pflags & PATH_ALL_EXEC) - /* Nothing to do */; - else if (has_exec_chars (cookie_buf, got)) - *pflags |= PATH_EXEC; - else - *pflags |= PATH_NOTEXEC; - } - syscall_printf ("%d = symlink.check_sysfile (%s, %s) (%p)", - res, path, contents, *pflags); - - CloseHandle (h); - return res; -} - -enum -{ - SCAN_BEG, - SCAN_LNK, - SCAN_HASLNK, - SCAN_JUSTCHECK, - SCAN_APPENDLNK, - SCAN_EXTRALNK, - SCAN_DONE, -}; - -class suffix_scan -{ - const suffix_info *suffixes, *suffixes_start; - int nextstate; - char *eopath; -public: - const char *path; - char *has (const char *, const suffix_info *); - int next (); - int lnk_match () {return nextstate >= SCAN_EXTRALNK;} -}; - -char * -suffix_scan::has (const char *in_path, const suffix_info *in_suffixes) -{ - nextstate = SCAN_BEG; - suffixes = suffixes_start = in_suffixes; - - char *ext_here = strrchr (in_path, '.'); - path = in_path; - eopath = strchr (path, '\0'); - - if (!ext_here) - goto noext; - - if (suffixes) - { - /* Check if the extension matches a known extension */ - for (const suffix_info *ex = in_suffixes; ex->name != NULL; ex++) - if (strcasematch (ext_here, ex->name)) - { - nextstate = SCAN_JUSTCHECK; - suffixes = NULL; /* Has an extension so don't scan for one. */ - goto done; - } - } - - /* Didn't match. Use last resort -- .lnk. */ - if (strcasematch (ext_here, ".lnk")) - { - nextstate = SCAN_HASLNK; - suffixes = NULL; - } - - noext: - ext_here = eopath; - - done: - return ext_here; -} - -int -suffix_scan::next () -{ - for (;;) - { - if (!suffixes) - switch (nextstate) - { - case SCAN_BEG: - suffixes = suffixes_start; - if (!suffixes) - { - nextstate = SCAN_LNK; - return 1; - } - if (!*suffixes->name) - suffixes++; - nextstate = SCAN_EXTRALNK; - /* fall through to suffix checking below */ - break; - case SCAN_HASLNK: - nextstate = SCAN_EXTRALNK; /* Skip SCAN_BEG */ - return 1; - case SCAN_LNK: - case SCAN_EXTRALNK: - strcpy (eopath, ".lnk"); - nextstate = SCAN_DONE; - return 1; - case SCAN_JUSTCHECK: - nextstate = SCAN_APPENDLNK; - return 1; - case SCAN_APPENDLNK: - strcat (eopath, ".lnk"); - nextstate = SCAN_DONE; - return 1; - default: - *eopath = '\0'; - return 0; - } - - while (suffixes && suffixes->name) - if (!suffixes->addon) - suffixes++; - else - { - strcpy (eopath, suffixes->name); - if (nextstate == SCAN_EXTRALNK) - strcat (eopath, ".lnk"); - suffixes++; - return 1; - } - suffixes = NULL; - } -} - -bool -symlink_info::parse_device (const char *contents) -{ - char *endptr; - _major_t mymajor; - _major_t myminor; - _mode_t mymode; - - mymajor = strtol (contents += 2, &endptr, 16); - if (endptr == contents) - return false; - - contents = endptr; - myminor = strtol (++contents, &endptr, 16); - if (endptr == contents) - return false; - - contents = endptr; - mymode = strtol (++contents, &endptr, 16); - if (endptr == contents) - return false; - - switch (mymode & S_IFMT) - { - case S_IFIFO: - mymajor = _major (FH_FIFO); - myminor = _minor (FH_FIFO); - break; - case S_IFBLK: - case S_IFCHR: - if (mymajor || myminor) - break; - default: - return false; - } - - major = mymajor; - minor = myminor; - mode = mymode; - return true; -} - -/* Check if PATH is a symlink. PATH must be a valid Win32 path name. - - If PATH is a symlink, put the value of the symlink--the file to - which it points--into BUF. The value stored in BUF is not - necessarily null terminated. BUFLEN is the length of BUF; only up - to BUFLEN characters will be stored in BUF. BUF may be NULL, in - which case nothing will be stored. - - Set *SYML if PATH is a symlink. - - Set *EXEC if PATH appears to be executable. This is an efficiency - hack because we sometimes have to open the file anyhow. *EXEC will - not be set for every executable file. - - Return -1 on error, 0 if PATH is not a symlink, or the length - stored into BUF if PATH is a symlink. */ - -int -symlink_info::check (char *path, const suffix_info *suffixes, unsigned opt) -{ - HANDLE h; - int res = 0; - suffix_scan suffix; - contents[0] = '\0'; - - is_symlink = true; - ext_here = suffix.has (path, suffixes); - extn = ext_here - path; - major = 0; - minor = 0; - - pflags &= ~(PATH_SYMLINK | PATH_LNK); - - case_clash = false; - - while (suffix.next ()) - { - error = 0; - fileattr = GetFileAttributes (suffix.path); - if (fileattr == INVALID_FILE_ATTRIBUTES) - { - /* The GetFileAttributes call can fail for reasons that don't - matter, so we just return 0. For example, getting the - attributes of \\HOST will typically fail. */ - debug_printf ("GetFileAttributes (%s) failed", suffix.path); - error = geterrno_from_win_error (GetLastError (), EACCES); - continue; - } - - - ext_tacked_on = !!*ext_here; - - if (pcheck_case != PCHECK_RELAXED && !case_check (path) - || (opt & PC_SYM_IGNORE)) - goto file_not_symlink; - - int sym_check; - - sym_check = 0; - - if (fileattr & FILE_ATTRIBUTE_DIRECTORY) - goto file_not_symlink; - - /* Windows shortcuts are treated as symlinks. */ - if (suffix.lnk_match ()) - sym_check = 1; - - /* This is the old Cygwin method creating symlinks: */ - /* A symlink will have the `system' file attribute. */ - /* Only files can be symlinks (which can be symlinks to directories). */ - if (fileattr & FILE_ATTRIBUTE_SYSTEM) - sym_check = 2; - - if (!sym_check) - goto file_not_symlink; - - if (sym_check > 0 && opt & PC_CHECK_EA && - (res = get_symlink_ea (suffix.path, contents, sizeof (contents))) > 0) - { - pflags = PATH_SYMLINK; - if (sym_check == 1) - pflags |= PATH_LNK; - debug_printf ("Got symlink from EA: %s", contents); - break; - } - - /* Open the file. */ - - h = CreateFile (suffix.path, GENERIC_READ, FILE_SHARE_READ, - &sec_none_nih, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); - res = -1; - if (h == INVALID_HANDLE_VALUE) - goto file_not_symlink; - - /* FIXME: if symlink isn't present in EA, but EAs are supported, - should we write it there? */ - switch (sym_check) - { - case 1: - res = check_shortcut (suffix.path, fileattr, h, contents, &error, &pflags); - if (!res) - /* check more below */; - else if (contents[0] == ':' && contents[1] == '\\' && parse_device (contents)) - goto file_not_symlink; - else - break; - /* If searching for `foo' and then finding a `foo.lnk' which is - no shortcut, return the same as if file not found. */ - if (!suffix.lnk_match () || !ext_tacked_on) - goto file_not_symlink; - - fileattr = INVALID_FILE_ATTRIBUTES; - continue; /* in case we're going to tack *another* .lnk on this filename. */ - case 2: - res = check_sysfile (suffix.path, fileattr, h, contents, &error, &pflags); - if (!res) - goto file_not_symlink; - break; - } - break; - - file_not_symlink: - is_symlink = false; - syscall_printf ("%s", (major || minor) ? "is a device" : "not a symlink"); - res = 0; - break; - } - - syscall_printf ("%d = symlink.check (%s, %p) (%p)", - res, suffix.path, contents, pflags); - return res; -} - -/* Check the correct case of the last path component (given in DOS style). - Adjust the case in this->path if pcheck_case == PCHECK_ADJUST or return - false if pcheck_case == PCHECK_STRICT. - Dont't call if pcheck_case == PCHECK_RELAXED. -*/ - -bool -symlink_info::case_check (char *path) -{ - WIN32_FIND_DATA data; - HANDLE h; - char *c; - - /* Set a pointer to the beginning of the last component. */ - if (!(c = strrchr (path, '\\'))) - c = path; - else - ++c; - - if ((h = FindFirstFile (path, &data)) - != INVALID_HANDLE_VALUE) - { - FindClose (h); - - /* If that part of the component exists, check the case. */ - if (strcmp (c, data.cFileName)) - { - case_clash = true; - - /* If check is set to STRICT, a wrong case results - in returning a ENOENT. */ - if (pcheck_case == PCHECK_STRICT) - return false; - - /* PCHECK_ADJUST adjusts the case in the incoming - path which points to the path in *this. */ - strcpy (c, data.cFileName); - } - } - return true; -} - -/* readlink system call */ - -extern "C" int -readlink (const char *path, char *buf, int buflen) -{ - extern suffix_info stat_suffixes[]; - - if (buflen < 0) - { - set_errno (ENAMETOOLONG); - return -1; - } - - path_conv pathbuf (path, PC_SYM_CONTENTS, stat_suffixes); - - if (pathbuf.error) - { - set_errno (pathbuf.error); - syscall_printf ("-1 = readlink (%s, %p, %d)", path, buf, buflen); - return -1; - } - - if (!pathbuf.exists ()) - { - set_errno (ENOENT); - return -1; - } - - if (!pathbuf.issymlink ()) - { - if (pathbuf.exists ()) - set_errno (EINVAL); - return -1; - } - - int len = min (buflen, (int) strlen (pathbuf.get_win32 ())); - memcpy (buf, pathbuf.get_win32 (), len); - - /* errno set by symlink.check if error */ - return len; -} - -/* Some programs rely on st_dev/st_ino being unique for each file. - Hash the path name and hope for the best. The hash arg is not - always initialized to zero since readdir needs to compute the - dirent ino_t based on a combination of the hash of the directory - done during the opendir call and the hash or the filename within - the directory. FIXME: Not bullet-proof. */ -/* Cygwin internal */ - -__ino64_t __stdcall -hash_path_name (__ino64_t hash, const char *name) -{ - if (!*name) - return hash; - - /* Perform some initial permutations on the pathname if this is - not "seeded" */ - if (!hash) - { - /* Simplistic handling of drives. If there is a drive specified, - make sure that the initial letter is upper case. If there is - no \ after the ':' assume access through the root directory - of that drive. - FIXME: Should really honor MS-Windows convention of using - the environment to track current directory on various drives. */ - if (name[1] == ':') - { - char *nn, *newname = (char *) alloca (strlen (name) + 2); - nn = newname; - *nn = isupper (*name) ? cyg_tolower (*name) : *name; - *++nn = ':'; - name += 2; - if (*name != '\\') - *++nn = '\\'; - strcpy (++nn, name); - name = newname; - goto hashit; - } - - /* Fill out the hashed path name with the current working directory if - this is not an absolute path and there is no pre-specified hash value. - Otherwise the inodes same will differ depending on whether a file is - referenced with an absolute value or relatively. */ - - if (!hash && !isabspath (name)) - { - hash = cygheap->cwd.get_hash (); - if (name[0] == '.' && name[1] == '\0') - return hash; - hash = '\\' + (hash << 6) + (hash << 16) - hash; - } - } - -hashit: - /* Build up hash. Ignore single trailing slash or \a\b\ != \a\b or - \a\b\. but allow a single \ if that's all there is. */ - do - { - int ch = cyg_tolower (*name); - hash = ch + (hash << 6) + (hash << 16) - hash; - } - while (*++name != '\0' && - !(*name == '\\' && (!name[1] || (name[1] == '.' && !name[2])))); - return hash; -} - -char * -getcwd (char *buf, size_t ulen) -{ - char* res = NULL; - if (ulen == 0 && buf) - set_errno (EINVAL); - else if (buf == NULL || !__check_null_invalid_struct_errno (buf, ulen)) - res = cygheap->cwd.get (buf, 1, 1, ulen); - return res; -} - -/* getwd: standards? */ -extern "C" char * -getwd (char *buf) -{ - return getcwd (buf, CYG_MAX_PATH); -} - -/* chdir: POSIX 5.2.1.1 */ -extern "C" int -chdir (const char *in_dir) -{ - if (check_null_empty_str_errno (in_dir)) - return -1; - - syscall_printf ("dir '%s'", in_dir); - - char *s; - char dir[strlen (in_dir) + 1]; - strcpy (dir, in_dir); - /* Incredibly. Windows allows you to specify a path with trailing - whitespace to SetCurrentDirectory. This doesn't work too well - with other parts of the API, though, apparently. So nuke trailing - white space. */ - for (s = strchr (dir, '\0'); --s >= dir && isspace ((unsigned int) (*s & 0xff)); ) - *s = '\0'; - - if (!*s) - { - set_errno (ENOENT); - return -1; - } - - /* Convert path. First argument ensures that we don't check for NULL/empty/invalid - again. */ - path_conv path (PC_NONULLEMPTY, dir, PC_FULL | PC_SYM_FOLLOW); - if (path.error) - { - set_errno (path.error); - syscall_printf ("-1 = chdir (%s)", dir); - return -1; - } - - - /* Look for trailing path component consisting entirely of dots. This - is needed only in case of chdir since Windows simply ignores count - of dots > 2 here instead of returning an error code. Counts of dots - <= 2 are already eliminated by normalize_posix_path. */ - const char *p = strrchr (dir, '/'); - if (!p) - p = dir; - else - p++; - - size_t len = strlen (p); - if (len > 2 && strspn (p, ".") == len) - { - set_errno (ENOENT); - return -1; - } - - const char *native_dir = path; - - /* Check to see if path translates to something like C:. - If it does, append a \ to the native directory specification to - defeat the Windows 95 (i.e. MS-DOS) tendency of returning to - the last directory visited on the given drive. */ - if (isdrive (native_dir) && !native_dir[2]) - { - path.get_win32 ()[2] = '\\'; - path.get_win32 ()[3] = '\0'; - } - int res; - int devn = path.get_devn (); - if (!isvirtual_dev (devn)) - res = SetCurrentDirectory (native_dir) ? 0 : -1; - else if (!path.exists ()) - { - set_errno (ENOENT); - return -1; - } - else if (!path.isdir ()) - { - set_errno (ENOTDIR); - return -1; - } - else - { - native_dir = "c:\\"; - res = 0; - } - - /* If res != 0, we didn't change to a new directory. - Otherwise, set the current windows and posix directory cache from input. - If the specified directory is a MS-DOS style directory or if the directory - was symlinked, convert the MS-DOS path back to posix style. Otherwise just - store the given directory. This allows things like "find", which traverse - directory trees, to work correctly with Cygwin mounted directories. - FIXME: Is just storing the posixized windows directory the correct thing to - do when we detect a symlink? Should we instead rebuild the posix path from - the input by traversing links? This would be an expensive operation but - we'll see if Cygwin mailing list users whine about the current behavior. */ - if (res) - __seterrno (); - else if ((!path.has_symlinks () && strpbrk (dir, ":\\") == NULL - && pcheck_case == PCHECK_RELAXED) || isvirtual_dev (devn)) - cygheap->cwd.set (native_dir, dir); - else - cygheap->cwd.set (native_dir, NULL); - - /* Note that we're accessing cwd.posix without a lock here. I didn't think - it was worth locking just for strace. */ - syscall_printf ("%d = chdir() cygheap->cwd.posix '%s' native '%s'", res, - cygheap->cwd.posix, native_dir); - MALLOC_CHECK; - return res; -} - -extern "C" int -fchdir (int fd) -{ - int res; - cygheap_fdget cfd (fd); - if (cfd >= 0) - res = chdir (cfd->get_win32_name ()); - else - res = -1; - - syscall_printf ("%d = fchdir (%d)", res, fd); - return res; -} - -/******************** Exported Path Routines *********************/ - -/* Cover functions to the path conversion routines. - These are exported to the world as cygwin_foo by cygwin.din. */ - -#define return_with_errno(x) \ - do {\ - int err = (x);\ - if (!err)\ - return 0;\ - set_errno (err);\ - return -1;\ - } while (0) - -extern "C" int -cygwin_conv_to_win32_path (const char *path, char *win32_path) -{ - path_conv p (path, PC_SYM_FOLLOW); - if (p.error) - { - win32_path[0] = '\0'; - set_errno (p.error); - return -1; - } - - strcpy (win32_path, p); - return 0; -} - -extern "C" int -cygwin_conv_to_full_win32_path (const char *path, char *win32_path) -{ - path_conv p (path, PC_SYM_FOLLOW | PC_FULL); - if (p.error) - { - win32_path[0] = '\0'; - set_errno (p.error); - return -1; - } - - strcpy (win32_path, p); - return 0; -} - -/* This is exported to the world as cygwin_foo by cygwin.din. */ - -extern "C" int -cygwin_conv_to_posix_path (const char *path, char *posix_path) -{ - if (check_null_empty_str_errno (path)) - return -1; - return_with_errno (mount_table->conv_to_posix_path (path, posix_path, 1)); -} - -extern "C" int -cygwin_conv_to_full_posix_path (const char *path, char *posix_path) -{ - if (check_null_empty_str_errno (path)) - return -1; - return_with_errno (mount_table->conv_to_posix_path (path, posix_path, 0)); -} - -/* The realpath function is supported on some UNIX systems. */ - -extern "C" char * -realpath (const char *path, char *resolved) -{ - int err; - - path_conv real_path (path, PC_SYM_FOLLOW | PC_FULL); - - if (real_path.error) - err = real_path.error; - else - { - err = mount_table->conv_to_posix_path (real_path.get_win32 (), resolved, 0); - if (err == 0) - return resolved; - } - - /* FIXME: on error, we are supposed to put the name of the path - component which could not be resolved into RESOLVED. */ - resolved[0] = '\0'; - - set_errno (err); - return NULL; -} - -/* Return non-zero if path is a POSIX path list. - This is exported to the world as cygwin_foo by cygwin.din. - -DOCTOOL-START -<sect1 id="add-func-cygwin-posix-path-list-p"> - <para>Rather than use a mode to say what the "proper" path list - format is, we allow any, and give apps the tools they need to - convert between the two. If a ';' is present in the path list it's - a Win32 path list. Otherwise, if the first path begins with - [letter]: (in which case it can be the only element since if it - wasn't a ';' would be present) it's a Win32 path list. Otherwise, - it's a POSIX path list.</para> -</sect1> -DOCTOOL-END - */ - -extern "C" int -cygwin_posix_path_list_p (const char *path) -{ - int posix_p = !(strchr (path, ';') || isdrive (path)); - return posix_p; -} - -/* These are used for apps that need to convert env vars like PATH back and - forth. The conversion is a two step process. First, an upper bound on the - size of the buffer needed is computed. Then the conversion is done. This - allows the caller to use alloca if it wants. */ - -static int -conv_path_list_buf_size (const char *path_list, bool to_posix) -{ - int i, num_elms, max_mount_path_len, size; - const char *p; - - path_conv pc(".", PC_FULL | PC_POSIX); - /* The theory is that an upper bound is - current_size + (num_elms * max_mount_path_len) */ - - unsigned nrel; - char delim = to_posix ? ';' : ':'; - for (p = path_list, num_elms = nrel = 0; p; num_elms++) - { - if (!isabspath (p)) - nrel++; - p = strchr (++p, delim); - } - - /* 7: strlen ("//c") + slop, a conservative initial value */ - for (max_mount_path_len = sizeof ("/cygdrive/X"), i = 0; - i < mount_table->nmounts; i++) - { - int mount_len = (to_posix - ? mount_table->mount[i].posix_pathlen - : mount_table->mount[i].native_pathlen); - if (max_mount_path_len < mount_len) - max_mount_path_len = mount_len; - } - - /* 100: slop */ - size = strlen (path_list) - + (num_elms * max_mount_path_len) - + (nrel * strlen (to_posix ? pc.normalized_path : pc.get_win32 ())) - + 100; - - return size; -} - - -extern "C" int -cygwin_win32_to_posix_path_list_buf_size (const char *path_list) -{ - return conv_path_list_buf_size (path_list, true); -} - -extern "C" int -cygwin_posix_to_win32_path_list_buf_size (const char *path_list) -{ - return conv_path_list_buf_size (path_list, false); -} - -extern "C" int -cygwin_win32_to_posix_path_list (const char *win32, char *posix) -{ - return_with_errno (conv_path_list (win32, posix, 1)); -} - -extern "C" int -cygwin_posix_to_win32_path_list (const char *posix, char *win32) -{ - return_with_errno (conv_path_list (posix, win32, 0)); -} - -/* cygwin_split_path: Split a path into directory and file name parts. - Buffers DIR and FILE are assumed to be big enough. - - Examples (path -> `dir' / `file'): - / -> `/' / `' - "" -> `.' / `' - . -> `.' / `.' (FIXME: should this be `.' / `'?) - .. -> `.' / `..' (FIXME: should this be `..' / `'?) - foo -> `.' / `foo' - foo/bar -> `foo' / `bar' - foo/bar/ -> `foo' / `bar' - /foo -> `/' / `foo' - /foo/bar -> `/foo' / `bar' - c: -> `c:/' / `' - c:/ -> `c:/' / `' - c:foo -> `c:/' / `foo' - c:/foo -> `c:/' / `foo' - */ - -extern "C" void -cygwin_split_path (const char *path, char *dir, char *file) -{ - int dir_started_p = 0; - - /* Deal with drives. - Remember that c:foo <==> c:/foo. */ - if (isdrive (path)) - { - *dir++ = *path++; - *dir++ = *path++; - *dir++ = '/'; - if (!*path) - { - *dir = 0; - *file = 0; - return; - } - if (isdirsep (*path)) - ++path; - dir_started_p = 1; - } - - /* Determine if there are trailing slashes and "delete" them if present. - We pretend as if they don't exist. */ - const char *end = path + strlen (path); - /* path + 1: keep leading slash. */ - while (end > path + 1 && isdirsep (end[-1])) - --end; - - /* At this point, END points to one beyond the last character - (with trailing slashes "deleted"). */ - - /* Point LAST_SLASH at the last slash (duh...). */ - const char *last_slash; - for (last_slash = end - 1; last_slash >= path; --last_slash) - if (isdirsep (*last_slash)) - break; - - if (last_slash == path) - { - *dir++ = '/'; - *dir = 0; - } - else if (last_slash > path) - { - memcpy (dir, path, last_slash - path); - dir[last_slash - path] = 0; - } - else - { - if (dir_started_p) - ; /* nothing to do */ - else - *dir++ = '.'; - *dir = 0; - } - - memcpy (file, last_slash + 1, end - last_slash - 1); - file[end - last_slash - 1] = 0; -} - -/*****************************************************************************/ - -/* Return the hash value for the current win32 value. - This is used when constructing inodes. */ -DWORD -cwdstuff::get_hash () -{ - DWORD hashnow; - cwd_lock->acquire (); - hashnow = hash; - cwd_lock->release (); - return hashnow; -} - -/* Initialize cygcwd 'muto' for serializing access to cwd info. */ -void -cwdstuff::init () -{ - new_muto (cwd_lock); -} - -/* Get initial cwd. Should only be called once in a - process tree. */ -bool -cwdstuff::get_initial () -{ - cwd_lock->acquire (); - - if (win32) - return 1; - - int i; - DWORD len, dlen; - for (i = 0, dlen = CYG_MAX_PATH, len = 0; i < 3; dlen *= 2, i++) - { - win32 = (char *) crealloc (win32, dlen + 2); - if ((len = GetCurrentDirectoryA (dlen, win32)) < dlen) - break; - } - - if (len == 0) - { - __seterrno (); - cwd_lock->release (); - debug_printf ("get_initial_cwd failed, %E"); - cwd_lock->release (); - return 0; - } - set (NULL); - return 1; /* Leaves cwd lock unreleased */ -} - -/* Fill out the elements of a cwdstuff struct. - It is assumed that the lock for the cwd is acquired if - win32_cwd == NULL. */ -void -cwdstuff::set (const char *win32_cwd, const char *posix_cwd) -{ - char pathbuf[CYG_MAX_PATH]; - - if (win32_cwd) - { - cwd_lock->acquire (); - win32 = (char *) crealloc (win32, strlen (win32_cwd) + 1); - strcpy (win32, win32_cwd); - } - - if (!posix_cwd) - mount_table->conv_to_posix_path (win32, pathbuf, 0); - else - { - char * tail; - (void) normalize_posix_path (posix_cwd, pathbuf, &tail); - if (tail > pathbuf + 1 && *(--tail) == '/') - *tail = 0; - } - posix = (char *) crealloc (posix, strlen (pathbuf) + 1); - strcpy (posix, pathbuf); - - hash = hash_path_name (0, win32); - - if (win32_cwd) - cwd_lock->release (); - - return; -} - -/* Copy the value for either the posix or the win32 cwd into a buffer. */ -char * -cwdstuff::get (char *buf, int need_posix, int with_chroot, unsigned ulen) -{ - MALLOC_CHECK; - - if (ulen) - /* nothing */; - else if (buf == NULL) - ulen = (unsigned) -1; - else - { - set_errno (EINVAL); - goto out; - } - - if (!get_initial ()) /* Get initial cwd and set cwd lock */ - return NULL; - - char *tocopy; - if (!need_posix) - tocopy = win32; - else - tocopy = posix; - - debug_printf ("posix %s", posix); - if (strlen (tocopy) >= ulen) - { - set_errno (ERANGE); - buf = NULL; - } - else - { - if (!buf) - buf = (char *) malloc (strlen (tocopy) + 1); - strcpy (buf, tocopy); - if (!buf[0]) /* Should only happen when chroot */ - strcpy (buf, "/"); - } - - cwd_lock->release (); - -out: - syscall_printf ("(%s) = cwdstuff::get (%p, %d, %d, %d), errno %d", - buf, buf, ulen, need_posix, with_chroot, errno); - MALLOC_CHECK; - return buf; -} - -int etc::curr_ix = 0; -/* Note that the first elements of the below arrays are unused */ -bool etc::change_possible[MAX_ETC_FILES + 1]; -const char *etc::fn[MAX_ETC_FILES + 1]; -FILETIME etc::last_modified[MAX_ETC_FILES + 1]; - -int -etc::init (int n, const char *etc_fn) -{ - if (n > 0) - /* ok */; - else if (++curr_ix <= MAX_ETC_FILES) - n = curr_ix; - else - api_fatal ("internal error"); - - fn[n] = etc_fn; - change_possible[n] = false; - (void) test_file_change (n); - paranoid_printf ("fn[%d] %s, curr_ix %d", n, fn[n], curr_ix); - return n; -} - -bool -etc::test_file_change (int n) -{ - HANDLE h; - WIN32_FIND_DATA data; - bool res; - - if ((h = FindFirstFile (fn[n], &data)) == INVALID_HANDLE_VALUE) - { - res = true; - memset (last_modified + n, 0, sizeof (last_modified[n])); - debug_printf ("FindFirstFile failed, %E"); - } - else - { - FindClose (h); - res = CompareFileTime (&data.ftLastWriteTime, last_modified + n) > 0; - last_modified[n] = data.ftLastWriteTime; - debug_printf ("FindFirstFile succeeded"); - } - - paranoid_printf ("fn[%d] %s res %d", n, fn[n], res); - return res; -} - -bool -etc::dir_changed (int n) -{ - if (!change_possible[n]) - { - static HANDLE changed_h NO_COPY; - - if (!changed_h) - { - path_conv pwd ("/etc"); - changed_h = FindFirstChangeNotification (pwd, FALSE, - FILE_NOTIFY_CHANGE_LAST_WRITE - | FILE_NOTIFY_CHANGE_FILE_NAME); -#ifdef DEBUGGING - if (changed_h == INVALID_HANDLE_VALUE) - system_printf ("Can't open %s for checking, %E", (char *) pwd); -#endif - memset (change_possible, true, sizeof (change_possible)); - } - - if (changed_h == INVALID_HANDLE_VALUE) - change_possible[n] = true; - else if (WaitForSingleObject (changed_h, 0) == WAIT_OBJECT_0) - { - (void) FindNextChangeNotification (changed_h); - memset (change_possible, true, sizeof change_possible); - } - } - - paranoid_printf ("fn[%d] %s change_possible %d", n, fn[n], change_possible[n]); - return change_possible[n]; -} - -bool -etc::file_changed (int n) -{ - bool res = false; - if (dir_changed (n) && test_file_change (n)) - res = true; - change_possible[n] = false; /* Change is no longer possible */ - paranoid_printf ("fn[%d] %s res %d", n, fn[n], res); - return res; -} |