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11832 Commits

Author SHA1 Message Date
Corinna Vinschen
de29476ed5 Cygwin: AF_UNIX: use get_unique_id to create pipe name 
It's the same as get_plain_ino in this case, but it's cleaner
and easier to understand.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-11 14:54:20 +01:00
Corinna Vinschen
4f1ee1a3e7 Cygwin: AF_UNIX: fix dup 
Reorder so fhandler_socket::dup is called first.  Add missing
duplication of backing_file_handle.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-10 21:12:27 +01:00
Corinna Vinschen
7b1028974b Cygwin: AF_UNIX: Add fixup_after_exec method 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-10 21:09:28 +01:00
Corinna Vinschen
1bb3d65182 Cygwin: AF_UNIX: fix creating abstract socket symlink name 
Add missing NUL termination when creating symlink representing
abstract socket.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-10 21:07:46 +01:00
Corinna Vinschen
8b6804b8a8 Cygwin: don't skip O_TMPFILE files in readdir 
Bad idea.  A file hidden from directory listings is not seen by
rm either, so it never calls unlink for the file and a recursive
removal of the parent directory fails with "directory not empty".

Fix comments accordingly.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-09 21:13:28 +01:00
Corinna Vinschen
b194d65615 Cygwin: AF_UNIX: Implemant socketpair 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-09 14:19:36 +01:00
Corinna Vinschen
f4a1a186f9 Cygwin: fix socketpair prototype 
Last parameter is a vector of 2 ints, not a pointer to int

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-09 14:17:39 +01:00
Thomas Wolff
e4c65b2e91 describe new locale modifier @cjkwide for user guide 2018-03-08 08:14:39 +01:00
Corinna Vinschen
7d525c171f Cygwin: AF_UNIX: implement getsockopt SO_RCVBUF/SO_SNDBUF 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 21:56:42 +01:00
Corinna Vinschen
483cbf8954 Cygwin: AF_UNIX: define AF_UNIX_CONNECT_TIMEOUT 
Use macro AF_UNIX_CONNECT_TIMEOUT instead of numerical constant
for connect timeout.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 21:55:34 +01:00
Corinna Vinschen
2f48ddb1ca Cygwin: Define FSCTL_PIPE_FLUSH 
This fsctl might come in handy at one point...

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 21:54:46 +01:00
Corinna Vinschen
5bb4cc1e6c Cygwin: AF_UNIX: Implement read, readv, recvfrom, write, writev, sendto 
All of these functions just call recvfrom/sendmsg which are still TODO

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 21:53:56 +01:00
Corinna Vinschen
d7f7d292d8 Cygwin: reorder read/write calls in fhandler_socket_unix 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 21:52:29 +01:00
Corinna Vinschen
855e5d7e14 Cygwin: AF_UNIX: fix accept behaviour 
* Use correct cygwait/WFSO invocation to not die on cancel and signals
  uncontrolled.
* Manage io handles under io_lock.
* Copy peer address to user space under SEH to avoid a resource leak.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:23:44 +01:00
Corinna Vinschen
cde2648c22 Cygwin: AF_UNIX: make sure connect wait thread is cleanly interruptible 
Using TerminateThread potentially leaks resources.  In our case,
the connect wait thread may be forcefully terminated after
having successfully opened a client side pipe handle.  If this
occurs, we have a stale pipe server instance, so the pipe will
never be closed as long as the process lives.

Avoid this by changing the npfs handle to non-blocking, so we can
wait on a termination event object from inside the thread itself
and cleanly exit from the thread instead of terminating.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:19:43 +01:00
Corinna Vinschen
27a63d4ef2 Cygwin: AF_UNIX: some pipe errors may have multiple status codes 
Depending on the exact circumstances, some erros are indicated
by different status codes.  Add helper macros to handle them
together.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:12:55 +01:00
Corinna Vinschen
4de52a0fe1 Cygwin: AF_UNIX: fix SEGV when sending an empty socket name from connect 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:08:15 +01:00
Corinna Vinschen
2f2a75b7bb Cygwin: AF_UNIX: fix creation of npfs handle 
The handle to the device is never needed.  As the name impies,
FSCTL_PIPE_WAIT works on the file system, not on the device level.

Drop opening the device and make sure to open only one handle to NPFS.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:06:57 +01:00
Corinna Vinschen
d69bcdd671 Cygwin: AF_UNIX: Add create_event helper and use throughout 
Minimize overhead in creating a nameless event object.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 16:04:26 +01:00
Corinna Vinschen
e94fa4ebf3 Cygwin: AF_UNIX: fix comments and move a macro 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-07 15:43:26 +01:00
Corinna Vinschen
4cd57934be Cygwin: AF_UNIX: Implement listen, accept4, connect, and others 
* Implement helper functions
* Improve bind
* Implement setting blocking, ioctl(FIONBIO), fcntl(F_SETFL)
* Implement close_on_exec and fixup_after_fork
* Allow overriding sun_path and peer_sun_path
* Improve comments

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 19:10:54 +01:00
Corinna Vinschen
e2909e2805 Cygwin: AF_UNIX: fix a couple of thinkos and typos 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:42:12 +01:00
Corinna Vinschen
cabfef78e9 Cygwin: AF_UNIX: create/open pipes relativ to NPFS rootdir handle 
Only store and manipulate pipe basename.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:37:09 +01:00
Corinna Vinschen
c502700231 Cygwin: AF_UNIX: initialize rmem/wmem to 256K and use in pipe creation 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:28:15 +01:00
Corinna Vinschen
c0df506b83 Cygwin: ntdll.h: Add some missing pipe-related definitions 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:24:13 +01:00
Corinna Vinschen
f6ce72e623 Cygwin: sys/socket.h: define MSG_CMSG_CLOEXEC 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:23:48 +01:00
Corinna Vinschen
6d2f1d79a8 Cygwin: export hires counter ntod 
Needed it new AF_UNIX socket code

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-06 18:23:23 +01:00
Corinna Vinschen
ae67198d55 Cygwin: move sun_name_t constructors into fhandler_socket_unix.cc 
They are only used there anyway and it allows to use the AF_UNIX
macro without tweaking header files.  While at it, improve
both constructors.  The default constructor now creates the name
of an unnamed socket, the constructor taking parameters carefully
checks its input.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-05 18:08:47 +01:00
Corinna Vinschen
a2c02d78be Cygwin: sockets: add bind state, and split out connect state to allow atomic operation 
The connect state was stored in a bitfield which is not safe
to do atomic operations on.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-05 17:59:04 +01:00
Corinna Vinschen
fe8e2c9b1f Cygwin: drop debug_printf statement from start_transaction 
start_transaction is now defined in ntdll.h and we can't rely
on debug_printf being available

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-05 17:50:52 +01:00
Corinna Vinschen
011fc3b508 Cygwin: cygwait.cc: fix formatting of debug statement 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-05 17:49:50 +01:00
Corinna Vinschen
df14d97fff Cygwin: AF_UNIX: drop try/except block in bind method 
The caller already does it anyway.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 23:40:36 +01:00
Corinna Vinschen
be6da79713 Cygwin: AF_UNIX: create pipes with file attribute R/W access 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 23:39:15 +01:00
Corinna Vinschen
00e8707830 Cygwin: accept4: Fix resource leak 
The new implementation neglected to release the file descriptor
in case of error.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 23:33:05 +01:00
Corinna Vinschen
984c8beeff Cygwin: remove outdated comment 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:22:45 +01:00
Corinna Vinschen
97b7aaaeb7 Cygwin: fhandler_socket_unix: implement socket, bind, and close 
...plus lots of helper functions.  Add comment to explain how everything
works.  This comment will be improved while implementing the yet missing
parts.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:17:17 +01:00
Corinna Vinschen
7d260cfac4 Cygwin: add transform_chars_af_unix helper 
This function is going to be used for transposing sun_path of
abstract sockets.  This also adds a transposition of the NUL
character to tfx_chars since NUL-bytes in abstract socket names
are perfectly valid.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:17:17 +01:00
Corinna Vinschen
488221cf5c Cygwin: small_s[w]printf: add '_' modifier to print lower case hex digits 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:17:17 +01:00
Corinna Vinschen
1949db7829 Cygwin: drop CYGWIN_SOCKET_UUID, define CYGWIN_SOCKET_GUID as GUID pointer 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:17:13 +01:00
Corinna Vinschen
d87ef0dac9 Cygwin: ntdll.h: add definitions required for pipe-based AF_UNIX 
Also remove redundant declaration of RtlInitEmptyUnicodeString

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-02 18:08:05 +01:00
Corinna Vinschen
dc3928fc75 Cygwin: convert sun_name_t into class 
Add constructors and new/delete operators to make sure sun_name_t
objects are allocated on the cygheap.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-01 18:14:23 +01:00
Corinna Vinschen
aa467e6e33 Cygwin: add AF_UNIX reparse points to path handling 
* check_reparse_point_target returns a path flag mask, rather than
  just 1.  Return PATH_SYMLINK | PATH_REP for symlinks and directory
  mount points, PATH_SOCKET | PATH_REP for AF_UNIX sockets.

* Define Cygwin AF_UNIX socket reparse tag and GUID in ntdll.h.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-01 16:54:57 +01:00
Corinna Vinschen
65267a9a34 Cygwin: move transaction helpers into ntdll.h 
We'll need them elsewhere in future.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de
 2018-03-01 16:51:12 +01:00
Corinna Vinschen
3e16fd6986 Cygwin: ntdll.h: drop macros available in mingw-w64 headers 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-01 16:50:41 +01:00
Corinna Vinschen
28cf818c2e Cygwin: path.cc: clean up includes 
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-01 16:44:09 +01:00
Corinna Vinschen
7ae89fe708 Cygwin: path_conv: rename is_rep_symlink to is_known_reparse_point 
...in preparation of reusing this flag for other types of
reparse points, not only symlinks.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-03-01 16:41:45 +01:00
Corinna Vinschen
a27a7752ec Cygwin: improve storage and handling of AF_UNIX socket path 
Define new struct sun_name_t and use throughout internally.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-02-28 19:06:53 +01:00
Corinna Vinschen
892efccb25 Cygwin: fhandler_socket_unix: store peer credentials in ucred member 
* Split out cygwin/_ucred.h file
* drop local credentials

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-02-28 19:01:29 +01:00
Corinna Vinschen
25ea6af172 Cygwin: cleanup header including within network-releated files 
* Rearrange includes and drop unneccessary ones.

* Don't pull in cygwin/socket.h into sys/un.h just to get
  sa_family_t.  Include sys/types.h and use __sa_family_t instead.

* start including Windows headers using the w32api/ path prefix

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-02-28 18:56:13 +01:00
Corinna Vinschen
d02f3a1238 Cygwin: sockets: Fix fstat on unnamed sockets 
Calling fhandler_socket::fstat from fhandler_socket::fstat recursively
is not a good idea...

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2018-02-27 15:30:13 +01:00