677 lines
24 KiB
Plaintext
677 lines
24 KiB
Plaintext
Version 1.2.3 (unreleased)
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o Added support for authentication via SSH-Agent. By Daiki Ueno.
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Version 1.2.2 (November 16, 2009)
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* This release includes the following changes:
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o Fix crash when server sends an invalid SSH_MSG_IGNORE message.
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Reported by Bob Alexander <balexander@expressor-software.com> in
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<http://thread.gmane.org/gmane.network.ssh.libssh2.devel/2530>.
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By Simon Josefsson.
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o Support for the "aes128-ctr", "aes192-ctr", "aes256-ctr" ciphers
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as per RFC 4344 for libgcrypt and OpenSSL. They are now the
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preferred ciphers. By Simon Josefsson.
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o Support for the "arcfour128" cipher as per RFC 4345 for libgcrypt
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and OpenSSL. It is preferred over the normal "arcfour" cipher
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which is somewhat broken. By Simon Josefsson.
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o Add support for GCC visibility features. By Cristian Rodríguez.
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o Fix libssh2_channel_forward_accept. By Juzna.
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o Generate Win32 files correctly. By Peter Stuge.
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o Fix permission issue in ssh2 self test. By Dan Fandrich.
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o Use memmove instead of memcpy in one place which copies
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overlapping memory areas.
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o Cleanup hard coding of cipher modes in libgcrypt backend. By Simon.
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o Added man page for libssh2_knownhost_free. By Daniel.
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Version 1.2.1 (September 28, 2009)
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* This release includes the following changes:
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o generate and install libssh2.pc
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... and the following bugfixes:
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o proper return codes returned from several functions
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o return EAGAIN internal cleanup
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o added knownhost.c to windows makefiles
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o pass private-key to OpenSSL as a filename with BIO_new_file().
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o make libssh2_scp_send/recv do blocking mode correctly
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o libssh2_channel_wait_closed() could hang
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o libssh2_channel_read_ex() must return 0 when closed
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o added gettimeofday() function for win32 for the debug trace outputs
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o transport layer bug causing invalid -39 (LIBSSH2_ERROR_BAD_USE) errors
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o scp examples now loop correctly over libssh2_channel_write()
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* (August 29 2009) Daniel Stenberg:
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- I fixed all code to use the recently added dedicated linked list functions
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instead of doing the same stuff spread out all over.
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- I also fixed a few cases where local variables where used to keep memory
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but was used to keep state for re-invokes due to non-blocking situations
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which would lead to segfaults.
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Version 1.2 (August 10, 2009)
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-----------------------------
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* (August 02 2009) Alexander Lamaison:
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- changed _libssh2_rsa_new_private and _libssh2_rsa_new_private so that they
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no longer use the OpenSSL functions that take a FILE* argument. Passing
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CRT-created objects across a DLL boundary causes crashes on Windows of the
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DLL and the client aren't linked to the exact same verison of the CRT. Now
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we pass the keys as strings to avoid this issue.
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* (May 29 2009) Daniel Stenberg:
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- Updated the knownhost API and there are now 9 functions, and all of them
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have man pages. The libssh2.h now defines HAVE_LIBSSH2_KNOWNHOST_API to
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ease things for applications to check for the correct release before trying
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to use it.
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* (May 23 2009) Daniel Stenberg:
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- Anonymous bug report #2795816 revealed that doing subsequent
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libssh2_sftp_init() calls on the same session failed.
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* (May 20 2009) Daniel Stenberg:
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- made libssh2_sftp_write() properly deal with huge/any sized input buffers.
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- fixed libssh2_channel_write_ex() to return the correct return code, and
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deal with sending off huge buffers better
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* (May 7 2009) Daniel Stenberg:
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- linked list code. I got a bit tired of the fact that we don't have any
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generic linked-list functions within libssh2 so I wrote up the first embryo
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for one that I use for this new functionality. The plan would then be to
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move all existing code that uses linked lists to use this new set.
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- base64 encode. I had to add a base64 encoding function which was missing
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in the code base so it helps to "bloat" my patch.
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- The knownhost API is currently:
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_init() - init a bundle of known hosts
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_add() - add a known host
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_del() - delete a known host
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_free() - free an entire bundle of known hosts
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_check() - check if a host+key is present in the bundle
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The convenience function:
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_parsefile() - reads a ~/.ssh/known_hosts file and add all entries to the
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given bundle
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- there's no docs other than some comments in the code/headers yet
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- the patch includes changes to example/simple/ssh2_exec.c that makes use of
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a few of these functions. Using that I've verified that the functions in
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fact can verify my localhost's key agains my ~/.ssh/known_hosts file
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* (Apr 30 2009) Daniel Stenberg:
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Markus posted a bug report about a bad 0-return from libssh2_channel_read:
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http://libssh2.haxx.se/mail/libssh2-devel-archive-2009-04/0076.shtml
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And it was indeed a bad loop that terminated too early due to a receveived
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close packet.
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* (Apr 14 2009) Daniel Stenberg:
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libssh2_poll() and libssh2_poll_channel_read() are now considered and
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documented deprecated and they will be removed at next soname bump. It also
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saves us from fixing some rather quirky bugs in libssh2_poll()...
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Version 1.1 (April 2, 2009)
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---------------------------
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- (Mar 28 2009) Daniel Stenberg:
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Jean-Louis Charton found a memory leak in
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libssh2_userauth_hostbased_fromfile_ex()
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- (Mar 25 2009) Daniel Stenberg:
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* Renamed the functions in src/transport.c to be _libssh2_transport_ prefixed
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and introduced a transport.h header.
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* Fixed the blocking mode to only change behavior not the actual underlying
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socket mode so we now always work with non-blocking sockets. This also
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introduces a new rule of thumb in libssh2 code: we don't call the
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external function calls internally. We use the internal (non-blocking)
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ones!
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* libssh2_channel_receive_window_adjust2 was added and
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libssh2_channel_receive_window_adjust is now deprecated
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* Introduced "local" header files with prototypes etc for different parts
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instead of cramming everything into libssh2_priv.h. channel.h is the
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first.
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- (Mar 19 2009) Daniel Stenberg: based on a patch by "E L" we now use errno
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properly after recv() and send() calls (that internally are now known as
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_libssh2_recv() and _libssh2_send()) so that the API and more works fine on
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windows too!
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- (Mar 17 2009) Simon Josefsson:
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Added a Libtool -export-symbols-regex flag to reduce the number of
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exported symbols in shared libraries. Reported by Mikhail Gusarov.
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- (Mar 16 2009) Daniel Stenberg:
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I renamed a few man pages to match the exact name of the functions they
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describe. I also added template versions for the 13 functions that
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previously lacked man pages. While these don't contain any docs just yet, it
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will now be easier to add the info as the foundation is there!
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- (Mar 15 2009) Daniel Stenberg:
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* libssh2_channel_read_ex() was simplified and enhanced. It now adjusts the
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window less frequent and uses much larger window that now allows MUCH
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faster transfers.
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* SCP send/recv now allow file names with whitespaces etc, thanks to a patch
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by Heiner Steven
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- (Mar 13 2009) Daniel Stenberg: Cleanups, that do seem to have boosted SFTP
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download performance up to 300% in some tests:
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* cut off "_ex" from several internal function names
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* corrected some log outputs
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* simplified libssh2_channel_read_ex() and made it much faster in the process
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* cut out {{{ and }}} comments that were incorrect anyway
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* fixed sftp_packet_ask() to return the correct packet by using memcmp() and
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not strncmp()
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* fixed mkdir()'s wait for packet to use the correct request_id - it
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semi-worked previously because strncmp() in sftp_packet_ask() made it
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match far too easily.
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* took away the polling functionality from sftp_packet_ask() since it wasn't
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used
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- (Mar 7 2009) Olivier Hervieu pointed out a flaw in the
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libssh2_channel_x11_req_ex() function that made it produce a crappy random
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chunk of data. Peter Stuge improved the fix to not do out-of-boundary
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writes. I (Daniel Stenberg) replaced the snprintf() with a plain sprintf()
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since the size argument wasn't adding anything anyway.
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- (Feb 23 2009) Added libssh2_version()
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- (Feb 20 2009) libssh2_channel_direct_tcpip_ex() bug #1902169 fixed, which
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caused it to fail when called a second time.
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- (Feb 12 2009) Romain Bondue extended Markus Moeller fix from Feb 8, based on
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a previous (uncommitted) patch by Erik Brossler. It improves
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libssh2_channel_write_ex in blocking situations when the socket is set non-
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blocking.
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- (Feb 8 2009) Markus Moeller fixed a flaw in libssh2_channel_write_ex() that
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would occur on EAGAIN situations.
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Version 1.0 (December 26 2008)
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------------------------------
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- (Dec 20 2008) Based on Alexander Lamaison's patch, there's now a new
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function called libssh2_sftp_tell64() that returns the 64 bit file offset,
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as the existing libssh2_sftp_tell() only returns a size_t.
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- (Dec 18 2008) Markus Moeller fixed the issue also reported by Alexander
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Lamaison which caused SFTP reads with large buffers to fail.
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- Several flaws were fixed that prevented at least SFTP to work reliably
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- Vlad Grachov brought the new function called
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libssh2_session_block_directions() which returns a bitmask for what
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directions the connection blocks. It is to be used applications that use
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non-blocking sockets and when a libssh2 function returns
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LIBSSH2_ERROR_EAGAIN this function can be used to figure out in which
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direction the socket would block and thus it can wait for the socket to
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again be ready for communication in that direction before it calls libssh2
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again.
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- Vincent Jaulin brought the new libssh2_channel_request_pty_size_ex()
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function.
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- Carlo Bramini fixed the build for msys+mingw. Bug #1943976.
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- Neil Gierman provided improved Visual Studio 2008 code in bug #1946268
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- Bug #1862727 fixed libssh2_poll() to work on windows (by defining
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HAVE_SELECT).
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- Based on bug #1815692, we introduce libssh2_sftp_seek64() that allows
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seeking beyond the 2GB margin even on 32bit machines.
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- Based on a patch in bug #1878059 by Steven Ayre libssh2 now parses >2GB file
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sizes when downloading SCP files.
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- Bug #2064371 pointed out that the SSH2 banner may not use dash
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('-'). Reported by Bjorn Stenborg.
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- Sean Peterson fixed a key re-exchange bug:
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http://daniel.haxx.se/projects/libssh2/mail/libssh2-devel-archive-2008-06/0002.shtml
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- Mike Protts filed the bug report #1908724 that identified and fixed a problem
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with SFTP stat on files >4GB in size. Previously it used 32bit math only.
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- Removed a stderr debug message that was accidentally left in (bug #1863153)
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- OpenSSL and libz detection changed to make cross-compiling to Mingw
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work. See README for parameters to use if the auto-detection does
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not work for you. From Simon Josefsson.
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- Simon Josefsson added a self-test that uses libssh2 to connect to a
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local sshd (only enabled if if OpenSSH is installed).
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Version 0.18 (November 11 2007)
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-------------------------------
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- Various changes that improve non-blocking operations and prevent stalls.
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Especially noticable on Windows since libssh2 just didn't work properly
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non-blocking on Windows before.
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- Peter O'Gorman reported how a SCP transfer would hang for him, and it was
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fairly easy reproducable. One bug was in the transport layer, ignoring to
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read more data while there was data left even though it couldn't decrypt the
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data that was left due to it being too little... The other bug was in the
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channel layer, where the libssh2_channel_receive_window_adjust() function
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missed to set the state variables at times and thus this function would
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misbehave on repeated invokes.
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- Changed the signature of libssh2_channel_setenv_ex to add const to the
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"varname" parameter (Dan Fandrich)
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- Satish Mittal and David J Sullivan fixed an infinit recv() loop in
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libssh2_banner_receive()
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Version 0.17 (August 6 2007)
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----------------------------
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Changes since previous version include:
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o Re-indented the source code with this GNU indent setup:
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--braces-on-if-line
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--braces-after-struct-decl-line
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--space-after-cast
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--line-length 79
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--comment-line-length 79
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--cuddle-else
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--no-tabs
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--tab-size 8
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--indent-level 4
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--no-space-after-for
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--space-after-if
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--space-after-while
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--no-space-after-function-call-names
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Version 0.16 (August 6 2007)
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----------------------------
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Changes since previous version include:
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o CRLF stripping fix for PEM reading
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o libssh2_scp_recv() error message fix
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o added HACKING as an initial attempt to describe our source code format
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o new public defines in include/libssh2.h to allow applictions to figure out
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version number etc
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o new script (maketgz) to build releases with
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o updated files for building with MSVC and mingw
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o keyboard-interactive would always fail due to claimed memory problem
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o a few minor memory leaks fixed
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o libssh2_poll() no longer relies on C99 features
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o AIX 4 and 5 now supports non-blocking sockets
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o large file magic checks in configure
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o LIBSSH2_APINO was removed from the public header file
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This release would not have been possible without these friendly contributors:
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James Housley, Simon Josefsson, Dan Fandrich, Guenter Knauf and I too did
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some poking. (Sorry if I forgot anyone I should've mentioned here.)
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Of course we would have nothing without the great work by Sara Golemon that
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we're extending and building upon.
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Version 0.15 (June 15 2007)
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---------------------------
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Added libssh2_sftp_readdir_ex() and updated LIBSSH2_APINO to
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200706151200 (James Housley)
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Converted all of the libssh2 code to be able to work in non-blocking
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mode. This included some public API changes, listed below (James Housley)
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Changed function return values:
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int libssh2_session_free()
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int libssh2_publickey_shutdown()
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ssize_t libssh2_channel_read_ex()
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ssize_t libssh2_channel_write_ex()
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Added functions:
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libssh2_session_last_errno(), libssh2_channel_handle_extended_data2(),
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libssh2_channel_wait_closed(), libssh2_channel_wait_eof(),
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libssh2_session_set_blocking()
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Removed functions:
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libssh2_channel_readnb_ex(), libssh2_channel_writenb_ex(),
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libssh2_sftp_readnb(), libssh2_sftp_writenb(),
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libssh2_sftp_mkdirnb_ex()
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Added the following functions for non-blocking operations: (Daniel Stenberg)
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libssh2_channel_readnb_ex()
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libssh2_channel_writenb_ex()
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libssh2_sftp_readnb()
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libssh2_sftp_writenb()
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Size parameter changed from 'int' to 'unsigned int' in several
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public APIs.
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Added (a few) man pages in docs/. (Daniel Stenberg)
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Maximum SSH packet size is now some 35000 bytes.
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Private include files are now in src/ and only public headers are in
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include/. (Daniel Stenberg)
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Automake and libtool are being used (increased portability). (Daniel
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Stenberg)
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Fixed OpenSSL detection using pkg-config. (Daniel Stenberg)
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Simple self test added to tests/. (Simon Josefsson)
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Libgcrypt can now be used instead of OpenSSL if you specify
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--with-libgcrypt. (Simon Josefsson)
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Fixed a memory leak in the packet handling, and better handle out of
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memory situations. (Dan Fandrich)
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Made libssh2 build with OpenSSL 0.9.6. (Dan Fandrich)
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Improved portability to Solaris related to -lsocket and
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-lnsl. (Simon Josefsson)
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Clean up of README, INSTALL, NEWS, added ChangeLog. (Simon
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Josefsson)
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Improve debugging code. Avoids many #ifdef's.
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Improved session closing to avoid potentially truncated files on
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OpenSSH servers (Dan Fandrich)
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Made some function parameters in the API const (Dan Fandrich)
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Version 0.14
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------------
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Plug leaks in EVP cipher init/shutdown. (Selcuk Gueney)
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Allow socket_fd == 0 in libssh2_session_startup(). (puudeli)
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Swap ordering of packet_add/packet-inspection to avoid inspect after
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free. (Selcuk)
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Swap KEX_INIT ordering, send our KEX_INIT first.
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Add check for oportunistic KEX_INIT packets. Burn bad guess if necessary.
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Fix OpenSSL detection using pkg-config. (Dan Casey)
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Version 0.13
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------------
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Fixed channel not being marked closed when CHANNEL_CLOSE package cannot be
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sent. (David Robins)
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Fixed payload packet allocation bug when invalid packet length
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received. (David Robins)
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Fixed `make install' target for MacOSX.
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Add terminating NULL character to readlink()/realpath() results.
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BugFix#1436593: Apply build options for HPUX targets.
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Version 0.12
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------------
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Added support for publickey subsytem (not the same as publickey auth).
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Fix x11_req. Multiple packet_len issues and error handling logic.
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(Thanks Simon Hart)
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Fix generation of 'e' portion of Diffie-Hellman keyset.
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Use appropriate order for BN_rand() rather than fixed group1-specific value.
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Re-fixed libssh2_sftp_rename_ex()
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Transport had right packet_len, but sftp layer still had extra 4 bytes.
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Fixed build with newer OpenSSL headers.
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Added extern "C" declarations to libssh2_sftp.h for C++ compatability.
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Version 0.11
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------------
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Added libssh2_chnnale_get_exit_status() -- Mikhail
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Added libssh2_channel_wait_closed() -- Mikhail
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Added libssh2_userauth_keyboard_interactive_ex() -- Mikhail
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Added libssh2_channel_receive_window_adjust() to be able to increase the
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size of the receive window.
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Added queueing for small window_adjust packets to avoid unnecessary packet
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conversation.
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Fixed libssh2_sftp_rename_ex() to only send flags parameter if version >= 5
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negotiated (not currently possible, but will be and might as well keep the
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API consistent).
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Version 0.10
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------------
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Added developer debugging hooks. See --enable-debug-* options to ./configure
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Ignore extended data in the SFTP layer. With no other mechanism to deal
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with that data it'd just fill up and get stuck.
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(Re)Fixed channel_write() to provide an opportunity for window space to
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become available again.
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(Re)Fixed SFTP INIT to send the correct SFTP packet length.
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Fixed segfault when client and host can't agree on a hostkey/crypt/mac/comp
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method. (Thanks puudeli)
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|
|
|
Fixed major issue with sftp packet buffering mechanism. Using wrong
|
|
blocking semantics. (No puudeli, YOU the man)
|
|
|
|
Reduced busy-looping of libssh2_sftp_packet_requirev.
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|
|
|
Version 0.9
|
|
-----------
|
|
|
|
Changed blocking_read to only block as much as necessary and not an
|
|
arbitrary length of time. (Thanks Felix)
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|
|
|
Fixed SFTP INIT/VERSION to exclude request_id and send correct maximum
|
|
version number.
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|
|
|
Fixed SFTP to be properly BC with version 1 and 2 servers.
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|
|
|
Fixed libssh2_poll() to recognized closed sessions/channels.
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|
|
|
Fixed libssh2_channel_write_ex() to fully block when set to blocking mode.
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|
Return actual bytes written as well. (Thanks deadem)
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|
|
|
Added tests for -lm and -lsocket and add them when necessary.
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|
|
|
Added libssh2_channel_window_read_ex() and libssh2_channel_window_write_ex()
|
|
for examining the ssh transport windowing states.
|
|
|
|
Version 0.8
|
|
-----------
|
|
|
|
Fix potential segfault in compression/decompression.
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|
|
|
Fix compatability with older versions of OpenSSL
|
|
|
|
Swapped order of none,zlib compression modes to prefer no compression by
|
|
default.
|
|
|
|
Added sys/uio.h for platforms (FBSD) which need it in order to define struct
|
|
iovec.
|
|
|
|
Added libssh2_poll() to check status of sockets/channels/listeners.
|
|
|
|
Removed unnecessary inclusion of stdio.h (holdover from debugging)
|
|
|
|
Version 0.7
|
|
-----------
|
|
|
|
Added libssh2_userauth_hostbased_fromfile_ex() for authenticating from hostkey.
|
|
|
|
Added configure recognition for MacOSX (Darwin) (Thanks Gabe)
|
|
|
|
Fixed extended data identification in libssh2_channel_read().
|
|
|
|
Fixed window adjust code. Hadn't acknowledged adjustments correctly.
|
|
|
|
Removed initial_window_size requirement for sending window adjust packet.
|
|
|
|
|
|
Version 0.6
|
|
-----------
|
|
|
|
Added LIBSSH2_FLAG_SIGPIPE to enable/disable SIGPIPE generated by
|
|
send()/recv() calls. Default off.
|
|
|
|
Added libssh2_session_flag() to set optional session flags.
|
|
|
|
Collapsed exchanging_keys/newkeys/authenticated flags into single state
|
|
attribute.
|
|
|
|
Fix zlib compression issue when internal buffer state misses partial sync.
|
|
|
|
Fix segfault when libssh2_session_methods() is called prior to
|
|
session_startup().
|
|
|
|
Fixed client to server channel windowing. Pervent send queue overruns.
|
|
|
|
Swapped banner send/receive order (send first, then wait for response).
|
|
|
|
Version 0.5
|
|
-----------
|
|
|
|
*** BC Break ***
|
|
Reimplemented libssh2_session_methods() to match
|
|
libssh2_session_method_pref() style
|
|
|
|
Fixed libssh2_attr2bin() (effects any setstat style call).
|
|
|
|
Fixed authenticating with encrypted private key.
|
|
|
|
Fixed authenticating via ssh-dss public key.
|
|
|
|
Fixed KEX_INIT cookie and packet padding to use actual random data
|
|
|
|
Added DESTDIR support to makefiles (Adam Go³êbiowski -- I hope that
|
|
character set translates right)
|
|
|
|
Added libssh2_channel_forward_listen_ex(), libssh2_channel_forward_cancel(),
|
|
and libssh2_channel_forward_accept().
|
|
|
|
Added ./configure option '--disable-gex-new' to allow using the older
|
|
group-exchange format
|
|
|
|
Added MAC methods hmac-md5 and hmac-md5-96.
|
|
|
|
Version 0.4
|
|
-----------
|
|
|
|
Fixed crash when trying to free sftp_dirhandle data from a filehandle struct.
|
|
|
|
Fixed leak in sftp_open_ex(), handle->handle not freed in handle_close().
|
|
|
|
Fixed leak in sftp_symlink_ex(), result for READLINK and REALPATH not freed unless there was an error.
|
|
|
|
Added libssh2_banner_set(), specify an arbitrary banner to send on introduction.
|
|
|
|
Version 0.3
|
|
-----------
|
|
|
|
Fixed libssh2_channel_read_ex(). Packet loop initialized BEFORE transport polled for new packets (should have been after).
|
|
|
|
Fixed blocking issues in scp_send()/scp_recv().
|
|
|
|
Fixed degree of indirection in macerror callback.
|
|
|
|
Changed packet read mechanism to use a fixed buffer and avoid unnecessary alloc/free calls. (especially while non-block looping)
|
|
|
|
Added channel close callback.
|
|
|
|
Added SFTP support (Using its own header file: libssh2_sftp.h)
|
|
|
|
Version 0.2
|
|
-----------
|
|
|
|
Changed extended data ignorance mechanism:
|
|
libssh2_channel_ignore_extended_data() changed to libssh2_channel_handle_extended_data()
|
|
Macro introduced for backward compatability during beta phase.
|
|
*** THE LIBSSH2_CHANNEL_IGNORE_EXTENDED_DATA() MACRO WILL BE REMOVED PRIOR TO 1.0 RELEASE ***
|
|
libssh2_channel_handle_extended_data() may be passed one of three "ignore_mode" constants
|
|
LIBSSH2_CHANNEL_EXTENDED_DATA_NONE Default behavior, queue ED packets and return them with read_ex
|
|
LIBSSH2_CHANNEL_EXTENDED_DATA_IGNORE Equivalent to libssh2_channel_ignore_extended_data()
|
|
IGNORE will implicitly flush the extended data stream(s)
|
|
LIBSSH2_CHANNEL_EXTENDED_DATA_MERGE Calls to channel_read() will check both the standard data stream
|
|
and the extended data stream(s) for the first available packet
|
|
|
|
Changed libssh2_session_disconnect_ex() to return an error code when alloc fails
|
|
|
|
Added libssh2_channel_flush_ex() and basic macros: ..._flush() ..._flush_stderr()
|
|
flush_ex accepts either the streamid (0 for standard data, 1 for stderr) or one of the two following constants:
|
|
LIBSSH2_CHANNEL_FLUSH_ALL Flush all streams
|
|
LIBSSH2_CHANNEL_FLUSH_EXTENDED_DATA Flush all streams EXCEPT the standard data stream
|
|
|
|
Added libssh2_session_callback_set() for setting ignore/debug/disconnect/macerror callbacks
|
|
|
|
Added libssh2_session_method_pref() to selectively set methods and method preferences.
|
|
|
|
Added libssh2_session_methods() to determine what methods were negotiated.
|
|
|
|
Added libssh2_session_abstract() for retreiving &session->abstract
|
|
|
|
Added libssh2_session_last_error() for retreiving error codes/messages
|
|
|
|
Version 0.1
|
|
-----------
|
|
|
|
Initial Release:
|
|
KEX methods: diffie-hellman-group14-sha1, diffie-hellman-group-exchange-sha1, diffie-hellman-group1-sha1
|
|
Hostkey methods: ssh-rsa, ssh-dss
|
|
Cipher methods: aes256-cbc, rijndael-cbc@lysator.liu.se, aes192-cbc, aes128-cbc, blowfish-cbc, arcfour, cast128-cbc, 3des-cbc, none*
|
|
Compression methods: zlib, none
|
|
MAC methods: hmac-sha1, hmac-sha1-96, hmac-ripemd160, hmac-ripemd160@openssh.com none*
|
|
*Cipher/MAC "none" is disabled by default for security purposes,
|
|
Use --enable-crypt-none and/or --enable-mac-none with ./configure to enable
|