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Author SHA1 Message Date
John Starks 12afdbf8b8 Merge pull request #86 from azdagron/file-handle-access 
provide access to underlying file handle
 2019-05-16 09:56:58 -07:00
John Starks 2be8053e58 Merge pull request #138 from microsoft/etw-write-error 
etwlogrus: Ignore error from ETW WriteEvent
 2019-05-08 08:21:23 -07:00
John Starks 1bcf844dd4 Merge pull request #140 from microsoft/etwlogrus-tests 
etwlogrus: Improve tests to actually go through logrus hook
 2019-05-08 08:20:37 -07:00
John Starks b092048eb0 Merge pull request #139 from microsoft/fix-etw-logrus 
etwlogrus: Fix event logging not including fields
 2019-05-08 08:19:54 -07:00
John Starks e90d8317de Merge pull request #133 from jstarks/sort_keys 
pkg/etwlogrus: Ensure stable event field order
 2019-05-07 13:40:08 -07:00
John Starks 664840fcdb pkg/etwlogrus: Ensure stable event field order 
This change updates the logrus hook to sort the incoming logrus data
before passing it to the tracelogging code. This is useful because it
ensures that two instances of the same event have the fields in the same
order, which is necessary to get WPA to line the fields up.
 2019-05-07 19:27:13 +00:00
John Starks 89c1d0e19d pkg/etw: Add support for time.Time 
This change adds support for encoding time.Time values as FILETIME
values in tracelogging events. FILETIME has slightly less precision than
time.Time (100ns vs 1ns), but it is the closest availble match.
 2019-05-05 00:02:18 +00:00
John Starks d132a827c0 Merge pull request #128 from jstarks/hvsock 
winio: Add AF_HYPERV listener
 2019-04-22 09:32:45 -07:00
John Starks 7776571819 winio: Add AF_HYPERV listener 2019-04-21 15:35:05 -07:00
John Starks bd71ef0e5d pipe: Fix ListenPipe/DialPipe race 
ListenPipe can fail if there is a concurrent DialPipe because there is a
race window where DialPipe can connect to the initial server named pipe
before it is connected to and closed by ListenPipe.

To fix this, use the lower-level NT API for creating the server pipe,
since this API allows for specifying that a server pipe should initially
be in the disconnected state instead of the listening state. This allows
us to avoid the race condition by creating the pipe in the correct state
initially, so there is no longer a need to create a dummy client
connection.
 2019-04-08 10:08:23 -07:00
John Starksandkevpar 98d07c865e Update pkg/etw/event.go 
Co-Authored-By: kevpar <kevpar@users.noreply.github.com>
 2018-12-18 18:20:29 -08:00
John Starks a6d595ae73 Merge pull request #80 from nanomsg/norace2 
fixes #67 DialPipe problem with multiple calls / waiting for busy pipe
 2018-07-19 15:37:18 -07:00
John Starks 67921128fb Merge pull request #82 from jstarks/pipe_message_mode 
Support pipe message read mode
 2018-06-25 13:58:01 -07:00
John Starks 3eabd1969d Clean up message mode pipe handling, add test 2018-06-25 09:31:55 -07:00
John Starks ae842e48e0 pipe: Resolve race between close and connect 
This change resolves the issue where Accept() returns ERROR_NO_DATA
because the client closes the connection immediately. It resolves
the race by ignoring that particular connection and waiting on a
new one.
 2018-01-09 13:28:13 -08:00
John Starks 78439966b3 Merge pull request #65 from darrenstahlmsft/waitGroup 
Prevent adding to a sync.WaitGroup that has a waiter
 2017-08-04 13:09:54 -07:00
John Starks 036d9d8653 Merge pull request #64 from jstarks/tar_ea 
Add support for EAs to Windows tars
 2017-08-02 11:48:47 -07:00
John Starks 353f5972cb Merge pull request #63 from fsouza/fix-data-race 
Copy pointer to prevent data race on pipe connection
 2017-08-02 11:45:34 -07:00
John Starks c4dc1301f1 Merge pull request #56 from swernli/master 
Adding simple CreateVhdx method
 2017-07-11 21:46:15 -07:00
John Starks d311c76e77 Merge pull request #51 from darrenstahlmsft/NoCGO 
Remove cgo as a dependency added by #49
 2017-05-08 14:01:43 -07:00
John Starks 518e6ebd8b Merge pull request #50 from Microsoft/Timeout 
Apply read and write deadlines to pending IO
 2017-05-08 13:59:22 -07:00
John Starks 13736c3252 Merge pull request #48 from darrenstahlmsft/Go1.8 
Added runtime.KeepAlive for the new stricter 1.8 GC
 2017-05-03 12:50:31 -07:00
John Starks 307e919c66 Merge pull request #37 from vanita5/master 
Replace unnecessary mod17 function with builtin mod
 2017-01-12 16:12:40 -08:00
John Starks 562bb09f66 Merge pull request #35 from Microsoft/jjh/disableprocpriv 
Add DisableProcessPrivileges
 2016-11-03 11:56:17 -07:00
John Starks 2cf8f2ee8b Add reference to code of conduct 2016-06-21 14:08:28 -07:00
John Starks 4f1a71750d Merge pull request #24 from Microsoft/fix 
Pass FILE_FLAG_OPEN_REPARSE_POINT in OpenForBackup
 2016-05-19 17:05:29 -07:00
John Starks f4304cf7dc Pass FILE_FLAG_OPEN_REPARSE_POINT in OpenForBackup 2016-05-19 17:02:51 -07:00
John Starks 88d9b9ee05 Merge pull request #23 from Microsoft/wim_opts 
Optimize WIM parsing
 2016-05-17 13:16:34 -07:00
John Starks 2255376ea2 Merge pull request #22 from Microsoft/priv_opts 
Add function for setting privileges globally
 2016-05-13 11:41:16 -07:00
John Starks e94cfdcd8a Merge pull request #21 from Microsoft/sjw/sddl-fix 
Remove use of SDDL in tar headers
 2016-05-12 21:35:16 -07:00
John Starks f1a78c8aaf Add function for setting privileges globally 
Also optimize privilege setting with the same privilege name multiple
times.
 2016-05-12 21:33:03 -07:00
John Starks 69b46ecca8 LZX: Split table into two parts 2016-05-12 19:47:52 -07:00
John Starks d69c9fb04e LZX: Perform buffering internally 2016-05-12 19:47:51 -07:00
John Starks 5e100a8bcc LZX: Improve huffman table encoding 2016-05-12 19:47:47 -07:00
John Starks d1317d5733 Reduce decompression of directory metadata 2016-05-11 16:33:31 -07:00
John Starks 3b8b3c98b2 Merge pull request #18 from Microsoft/wim_multi 
Fix multiple calls to img.Open
 2016-04-18 15:16:11 -07:00
John Starks 24c009df14 Fix multiple calls to img.Open 2016-04-18 12:51:10 -07:00
John Starks 862b655792 Merge pull request #17 from Microsoft/fix_symlink 
Backuptar: replace slash with backslash on link target
 2016-04-11 18:00:29 -07:00
John Starks 6606cf93e2 Handle long paths correctly in reparse points 2016-04-11 17:20:42 -07:00
John Starks 93ca0b892a Backuptar: replace slash with backslash on link target 2016-04-11 15:45:43 -07:00
John Starks 9f57cbbcbc Merge pull request #16 from Microsoft/fixing_wim 
Fix various WIM bugs
 2016-04-06 17:10:02 -07:00
John Starks a7636ef88a WIM: Parse XML data 
This parses the XML data so that callers do not have to.
 2016-04-06 17:09:08 -07:00
John Starks 9ef8a67999 Add .gitignore 2016-04-06 13:59:58 -07:00
John Starks d18f2f3f56 Add validate tool to scan all directories in a WIM 2016-04-06 13:58:23 -07:00
John Starks 2748a384c0 WIM: Don't use syscall package 
This allows the WIM code to build on other OSes.
 2016-04-06 13:57:09 -07:00
John Starks 3cedae2e26 WIM: Fix handling of reparse points 
Reparse point data is not always in the first stream, sometimes it is in
the file data itself. Remove ReparseStream and always put it in the file
data.
 2016-04-06 13:56:25 -07:00
John Starks bad3e111b5 LZX: Fix unaligned block failure 
This fixes the case where an unaligned block lands on a 16-bit boundary.
 2016-04-06 13:45:37 -07:00
John Starks 9e60d867bd Merge pull request #15 from Microsoft/wim_support 
Add WIM parser
 2016-04-05 12:21:21 -07:00
John Starks 0e1e9fec26 Add WIM parser 
This new code supports parsing WIM files. Currently, only WIM files that
were created with no compression or LZX compression are supported. Xpress
compression is not.
 2016-04-04 13:51:45 -07:00
John Starks 9e2895e5f6 Merge pull request #14 from Microsoft/tar_changes 
Backup-related improvements
 2016-03-30 12:52:49 -07:00
John Starks 346aee8003 Add backuptar.BasicInfoHeader helper function 
This is useful for creating tar headers for things that don't have backup
streams, such as links.
 2016-03-30 12:38:06 -07:00
John Starks 3b18fb5af2 Add OpenForBackup function 
This works with RunWithPrivileges to allow opening files as an
administrator without access checks.
 2016-03-30 12:38:05 -07:00
John Starks 2245090e75 Add GetFileID function 2016-03-30 12:38:04 -07:00
John Starks 424d62c72e Use existing PAX headers for time 
This removes the MSWINDOWS.* time fields and uses PAX times directly. I
didn't previously realize that PAX times could be negative, which
eliminates the need to store Windows times in a different format.

This also uses the LIBARCHIVE.creationtime field for creation times to
match OS X behavior.
 2016-03-30 12:38:03 -07:00
John Starks 8f9387ea7e Merge pull request #13 from Microsoft/TimerResolutionFix 
Fixed error in #12
 2016-03-15 17:33:20 -07:00
John Starks dc33d951c5 Merge pull request #12 from Microsoft/TimerResolution 
Fixes performance regression in GO 1.6
 2016-03-15 15:38:50 -07:00
John Starks 8f29b1bf99 Merge pull request #11 from Microsoft/test_pipe_eof 
Support CloseWrite() by using pipe message mode
 2016-03-15 15:11:27 -07:00
John Starks b12bd3ac52 Let clients set pipe buffer sizes 2016-03-15 11:59:27 -07:00
John Starks 36f4e701c4 Add support for CloseWrite() to pipes 
This change adds support for message mode pipes and uses them to support
CloseWrite() to better match TCP and UNIX sockets. Message mode pipes
support writing and (optionally) reading data in message-sized chunks.
This is useful for us because when in this mode a zero-sized message can
be read. We use this zero-sized message to signal that no more writes will
arrive. This is not standard practice in Windows, but it is a reasonable
compromise.
 2016-03-15 11:58:02 -07:00
John Starks 0c1e4a09ec Add tests that check for EOF on pipe close 2016-03-14 16:33:35 -07:00
John Starks f778f05015 Merge pull request #10 from Microsoft/priv_fix 
Fix RunWithPrivilege when the process token already has the privilege
 2016-03-05 18:57:29 -08:00
John Starks cd7216c8af Fix RunWithPrivilege when the process token already has the privilege 2016-03-05 18:49:41 -08:00
John Starks c40bf24f40 Merge pull request #9 from Microsoft/add_tar 
Use forked archive/tar to encode Windows metadata properly
 2016-02-23 12:49:43 -08:00
John Starks b1cf780eb5 Use tar fork to encode Windows metadata correctly 2016-02-23 12:48:28 -08:00
John Starks 71ac47a42e Add tar.Headers.Winheaders for Windows metadata 2016-02-23 12:48:26 -08:00
John Starks 752c574975 Add archive/tar from go 1.6 
github.com/golang/go bfccf7b3e198587372f755d4ebace292a06ea2e5
 2016-02-23 12:48:25 -08:00
John Starks db2d8862e6 Merge pull request #8 from Microsoft/backup 
Fix encoding of Win32 file times
 2016-02-23 12:10:00 -08:00
John Starks 0186d1e4dd Fix encoding of Win32 file times 2016-02-22 14:04:34 -08:00
John Starks a7276e8bc4 Merge pull request #7 from Microsoft/backup 
Interfaces on top of BackupRead, BackupWrite
 2016-02-18 20:42:46 -08:00
John Starks 0cd1930b37 Add experimental code to convert backup streams to tar streams 
This code is experimental because it currently writes Windows metadata to
tar.Header.Xattrs, which is actually for POSIX extended attributes.
 2016-02-18 20:41:01 -08:00
John Starks f011a81ddc Add interface to BackupRead/BackupWrite 2016-02-18 20:40:32 -08:00
John Starks 606856475f Merge pull request #6 from Microsoft/privilege 
Add functions for running with privileges
 2016-02-18 20:37:48 -08:00
John Starks 6a0656b357 Add functions for running with privileges 2016-02-18 20:36:50 -08:00
John Starks da7011968c Merge pull request #5 from Microsoft/fileinfo 
Add functions to get/set FILE_BASIC_INFO
 2016-02-18 20:35:20 -08:00
John Starks 1ac2c4761f Add functions to get/set FILE_BASIC_INFO 2016-02-18 20:33:57 -08:00
John Starks 94a8d2823f Merge pull request #4 from Microsoft/mksyscall 
Use mksyscall_windows.go from go source in go generate
 2016-02-16 18:21:30 -08:00
John Starks a920ad0a26 Use mksyscall_windows.go from go source in go generate 2016-02-16 18:20:22 -08:00
John Starks eb176a9831 Merge pull request #3 from Microsoft/fix_386 
Fix build on windows/386
 2016-02-04 10:50:47 -08:00
John Starks 5292a3509e Fix build on windows/386 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-02-04 10:49:26 -08:00
John Starks 2b085935f0 Update README.md 2016-01-31 17:48:08 -08:00
John Starks 89bdf52a5b Add routine for looking up account names 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 16:08:10 -08:00
John Starks fe517a5118 Misc. cleanup 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 14:18:04 -08:00
John Starks 3aa597fc55 Open pipe client with anonymous security 
This ensures that the pipe server cannot impersonate or even identify
the user that has connected to the pipe. This is a good default to
prevent malicious squatting on a named pipe name.

Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 14:03:47 -08:00
John Starks 99eef7be8d Ensure DialPipe times eventually by default 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 14:00:21 -08:00
John Starks 3191792462 Fix errors to better match net package 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 13:47:08 -08:00
John Starks b0d265e6c2 Ensure win32PipeListener.Close() correctly aborts Listen() calls 
Signed-off-by: John Starks <jostarks@microsoft.com>
 2016-01-31 13:46:55 -08:00
John Starks f001f808a9 Add file and pipe Windows wrappers 
This includes Reader, Writer, and Closer interfaces on top of
Windows file handles in a way that does not block the system thread
while the IO is outstanding.

This also includes net.Listener and net.Conn for named pipes.
 2016-01-30 18:11:47 -08:00