Some SFTP servers send SFTP packets larger than 40000. Since the limit
is only present to avoid insane sizes anyway, we can easily bump it.
The define was formerly in the public header libssh2_sftp.h but served
no external purpose and was moved into the source dir.
Bug: http://www.libssh2.org/mail/libssh2-devel-archive-2011-11/0004.shtml
Reported by: Michael Harris
Documentation for libssh2_knownhost_checkp() and related functions
states that the last argument is filled with data if non-NULL.
"knownhost if set to non-NULL, it must be a pointer to a 'struct
libssh2_knownhost' pointer that gets filled in to point to info about a
known host that matches or partially matches."
In this function ext is dereferenced even if set to NULL, causing
segfault in applications not needing the extra data.
In function knownhost_add, memory is alocated for a new entry. If normal
alocation is used, memory is not initialized to 0 right after, but a
check is done to verify if correct key type is passed. This test is done
BEFORE setting the memory to null, and on the error path function
free_host() is called, that tries to dereference unititialized memory,
resulting into a glibc abort().
* knownhost.c - knownhost_add(): - move typemask check before alloc
When cross compiling to Windows, libssh2.h include Windows header files
with upper case filenames : BaseTsd.h and WinSock2.h.
These files have lowercase names with mingw-w64 (iirc, it's the same with
mingw). And as on Windows, being lowercase or uppercase does not matter.
Make sure we don't clear or reset static structs after first init so
that they work fine even when used from multiple threads. Init the
structs in the global init.
Help and assistance by: John Engstrom
Fixes#229 (again)
make_ctr_evp() is changed to take a struct pointer, and then each
_libssh2_EVP_aes_[keylen]_ctr function is made to pass in their own
static struct
Reported by: John Engstrom
Fixes#229
Set read_state back to idle before trying to send anything so that if
the state somehow is wrongly set.
Also, avoid such a case of confusion by resetting the read_state when an
sftp handle is closed.
Removed the automatic window_size adjustments from
_libssh2_channel_read() and instead all channel readers must now make
sure to enlarge the window sizes properly themselves.
libssh2_channel_read_ex() - the public function, now grows the window
size according to the requested buffer size. Applications can still opt
to grow the window more on demand. Larger windows tend to give higher
performance.
sftp_read() now uses the read-ahead logic to figure out a window_size.
