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* pan/epmd-vulnerabilities/OTP-8780:
Teach testcases to survive TIME_WAIT overload
Update erl_interface doc and testsuite for epmd changes
Restore null termination of input buffer
Teach testcase epmd_SUITE:too_large to accept econnaborted
Teach epmd_cli.c to not respond 'Killed' when killing denied
Calculate minimal packet size for ALIVE2 requests correctly
Document epmd and it's options properly and fixup help text
Fix anomalies in epmd not yet reported as security issues
Remove two buffer overflow vulnerabilities in EPMD
Remove all support for ancient EPMD protocol
Remove very old protocol from EPMD
Conflicts:
lib/erl_interface/src/epmd/epmd_port.c
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* sv/ei-writev:
fix incorrect writev iovec buffer handling in ei
OTP-8837
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* egil/ei/fix-declspec/OTP-8826:
Remove USE_DECLSPEC_THREAD from erl_interface
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For platforms that support writev, ei uses iovec structures to be able
to easily send noncontiguous data buffers. When sending large
messages, the socket can of course block, in which case ei adjusts its
iovecs to pick up where it left off when the socket becomes writeable
again. Unfortunately the code that handled the case when the number of
bytes written are less than the current iovec size adjusted only the
iovec byte count but not the iovec data pointer, resulting in the same
data being sent multiple times.
The fix is trivial: in addition to subtracting the count of bytes
already written from the current iovec's size, also increment the
current iovec's data pointer by the number of bytes already written.
Tested manually on Linux and verified to fix a problem detected in
production with writing large binaries from a cnode to a regular
node. No unit tests were added, however, because they use the local
loopback which acts more like a pipe than an inter-host TCP
connection. The closing of the TCP window on the receiving side and
the resultant write blocking on the socket, which in turn caused the
code that mishandled the iovecs to be exercised, could unfortunately
not be readily duplicated in the erl_interface test suite.
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DECLSPEC causes access violations on vista.
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Check operations that can overflow, e.g.,
erl_call -sname $(perl -e 'print "x"x5000')
perl -e 'print "-module(", "x"x10000, ");"' | erl_call -m -r -sname foo
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* mk/net-dragonfly-bsd-patches:
Remove unused variables
Use proper install method
Add support for DragonFly BSD
Add support for NetBSD
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* ms/ei-overflow-fix:
ei: prevent overflow in ei_connect_init/ei_xconnect
OTP-8814
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Check the length of the buffer before copying.
ei_cnode ec;
struct in_addr addr;
char *node = (char *)calloc(5001, 1);
(void)memset(node, 'x', 5000);
ei_connect_init(&ec, node, "", 0);
addr.s_addr = inet_addr("192.168.1.1");
ei_xconnect(&ec, &addr, node);
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These are the current NetBSD pkgsrc patches.
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- Removed unused variable in ei_decode_term.c
- Fixed faulty deallocation
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Earlier, external format INTEGER_EXT was only produced for 28-bit
signed integers. Now full 32-bit signed integers are produced as
INTEGER_EXT to avoid the more costly SMALL_BIG_EXT format. Both old
and new code can read 32-bit INTEGER_EXT.
Also fixed integer encoding bugs in erl_interface erl_encode/erl_decode.
(Thanks to Alexander Demidenko for reporting)
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Make erl_interface build on VxWorks
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* sv/serge-new_float_ext:
Let ei_get_type() return ERL_FLOAT_EXT instead of NEW_FLOAT_EXT
Fix ei_tmo to restrict dflags to NEW_FLOAT_EXT
compact IEEE 754 double encoding in external binary format for ei
fix typo in ei_decode_ei_term documentation
OTP-8684 sv/serge-new_float_ext
compact IEEE 754 double encoding in external binary format for ei
Implement the compact IEEE 754 double encoding in external binary format
for ei. Encoding for ei now always produces the NEW_FLOAT_EXT format.
Decoding and term printing handle both the old ERL_FLOAT_EXT encoding and
the new NEW_FLOAT_EXT encoding.
Legacy erl_interface code also handles the new encoding, but still produces
the ERL_FLOAT_EXT encoding by default.
Also enable the DFLAG_NEW_FLOATS distribution flag.
ei_get_type() will return ERL_FLOAT_EXT regardless if the external format
is encoded with ERL_FLOAT_EXT or NEW_FLOAT_EXT for doubles.
Reduce the number of copies of the code for encoding and decoding doubles
throughout ei and erl_interface by instead calling the ei encoding and
decoding functions wherever possible.
Restore commented-out float tests in ei_decode_SUITE and ei_encode_SUITE in
lib/erl_interface/test. Modify them to make them match the style of other
tests in the same suites.
These changes are based on an ei float patch from Serge Aleynikov
originally submitted against R12B-2 in July 2008 and reworked by Steve
Vinoski May 2010.
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Erl_Interface is updated to restrict distribution to NEW_FLOAT_EXT
only. The testsuite ei_tmo is updated to reflect that.
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Implement the compact IEEE 754 double encoding in external binary
format for ei. Encoding for ei now always produces the NEW_FLOAT_EXT
format. Decoding and term printing handle both the old ERL_FLOAT_EXT
encoding and the new NEW_FLOAT_EXT encoding. Legacy erl_interface code
also handles the new encoding, but still produces the ERL_FLOAT_EXT
encoding by default.
Also enable the DFLAG_NEW_FLOATS distribution flag.
Reduce the number of copies of the code for encoding and decoding
doubles throughout ei and erl_interface by instead calling the ei
encoding and decoding functions wherever possible.
Restore commented-out float tests in ei_decode_SUITE and
ei_encode_SUITE in lib/erl_interface/test. Modify them to make them
match the style of other tests in the same suites.
These changes are based on an ei float patch from Serge Aleynikov
originally submitted against R12B-2 in July 2008.
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Change "encoding" to "decoding" where the documentation describes the
return value 0.
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* bg/remove-stray-ose-support:
configure: Remove stray OSE/Delta support
Makefiles: Remove stray OSE/Delta support
kernel tests: Remove stray OSE/Delta support
system tests: Remove stray OSE/Delta support
erl_interface tests: Remove stray OSE/Delta support
epmd: Remove stray OSE/Delta support
epmd: #ifdef out start_epmd() for other platforms than VxWorks
emulator tests: Remove stray OSE/Delta support
emulator: Remove stray OSE/Delta support
emulator: Eliminate #ifdef for sys_tty_reset()
test_server: Remove stray support for OSE/Delta
OTP-8585 bg/remove-stray-ose-support
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The default value for Fun is start, not [] as the documentation used
to suggest.
Also, format [] with <c> instead of <em> since it is a code fragment,
not an emphasised word.
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* ml/documentation_apostrophe_fix:
Correct grammatical problems in conjunction with 'its'
Change all incorrect occurrences of it's to its
OTP-8523 ml/documentation_apostrophe_fix
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The documentation (*.xml) in the otp tree has a common grammatical
problem, "it's" and "its" are often interchanged. That is annoying
for some readers.
This commit consists entirely of "it's" -> "its" changes. I went
through every .xml file in the tree. If there are any remaining
bugs of this type, it's because I missed them, not because I
didn't look.
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improvements.
Most notable:
Lots of cross compilation improvements. The old cross compilation
support was more or less non-existing as well as broken. Please,
note that the cross compilation support should still be
considered as experimental. Also note that old cross compilation
configurations cannot be used without modifications. For more
information on cross compiling Erlang/OTP see the
$ERL_TOP/xcomp/README file.
Support for staged install using <url
href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">D
ESTDIR</url>. The old broken INSTALL_PREFIX has also been fixed.
For more information see the $ERL_TOP/README file.
Documentation of the release target of the top Makefile. For more
information see the $ERL_TOP/README file.
make install now by default creates relative symbolic links
instead of absolute ones. For more information see the
$ERL_TOP/README file.
$ERL_TOP/configure --help=recursive now works and prints help for
all applications with configure scripts.
Doing make install, or make release directly after make all no
longer triggers miscellaneous rebuilds.
Existing bootstrap system is now used when doing make install, or
make release without a preceding make all.
The crypto and ssl applications use the same runtime library path
when dynamically linking against libssl.so and libcrypto.so. The
runtime library search path has also been extended.
The configure scripts of erl_interface and odbc now search for
thread libraries and thread library quirks the same way as erts
do.
The configure script of the odbc application now also looks for
odbc libraries in lib64 and lib/64 directories when building on a
64-bit system.
The config.h.in file in the erl_interface application is now
automatically generated in instead of statically updated which
reduces the risk of configure tests without any effect.
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* sf/erl_match-longlong:
erl_interface: Allow erl_match() to match ERL_LONGLONG and ERL_U_LONGLONG terms
OTP-8400 Allow erl_match() to match ERL_LONGLONG and ERL_U_LONGLONG terms
(Thanks to Scott Lystig Fritchie).
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The Erlang/OTP distro now includes 90% of what's required to handle signed and
unsigned ints up to 8 bytes long, so add this remaining (?) 10%.
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The symbol ei_tracelevel was not declared extern which could
crash the linking step on some compilers.
Updated .gitignore to ignore object files in erl_interface.
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* sc/ei_decode_skip_fun:
Fix ei_skip_term() handling of funs encoded as NEW_FUN_EXT
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new mandatory configuration variable that replaces all other
previously mandatory configuration variables, and better
documentation. Note that old cross compilation configurations
cannot be used without modifications.
For more information see the $ERL_TOP/xcomp/README file.
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Debug trace output for connection activity could be enabled
setting the trace level as an integer to the EI_TRACELEVEL
environment variable. This option could also be read and set from
a running program using ei_get_tracelevel(void) and
ei_set_tracelevel(int).
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Debug trace output for connection activity could be enabled
setting the trace level as an integer to the EI_TRACELEVEL
environment variable. This option could also be read and set from
a running program using ei_get_tracelevel(void) and
ei_set_tracelevel(int).
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erl_eterm.xml.
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