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- Change all predefined Mozilla URLs to HTTPS (Gregory Szorc).
- New option -k to allow URLs other than HTTPS and enable HTTP fallback.
Prior to this change the default URL retrieval mode was to fall back to
HTTP if HTTPS didn't work.
Reported-by: Gregory Szorc
Closes #1012
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Several independent reports on infinite loops hanging in the
close_all_connections() function when closing a multi handle, can be
fixed by first marking the connection to get closed before calling
Curl_disconnect.
This is more fixing-the-symptom rather than the underlying problem
though.
Bug: https://curl.haxx.se/mail/lib-2016-10/0011.html
Bug: https://curl.haxx.se/mail/lib-2016-10/0059.html
Reported-by: Dan Fandrich, Valentin David, Miloš Ljumović
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In short the easy handle needs to be disconnected from its connection at
this point since the connection still is serving other easy handles.
In our app we can reliably reproduce a crash in our http2 stress test
that is fixed by this change. I can't easily reproduce the same test in
a small example.
This is the gdb/asan output:
==11785==ERROR: AddressSanitizer: heap-use-after-free on address 0xe9f4fb80 at pc 0x09f41f19 bp 0xf27be688 sp 0xf27be67c
READ of size 4 at 0xe9f4fb80 thread T13 (RESOURCE_HTTP)
#0 0x9f41f18 in curl_multi_remove_handle /path/to/source/3rdparty/curl/lib/multi.c:666
0xe9f4fb80 is located 0 bytes inside of 1128-byte region [0xe9f4fb80,0xe9f4ffe8)
freed by thread T13 (RESOURCE_HTTP) here:
#0 0xf7b1b5c2 in __interceptor_free /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_malloc_linux.cc:45
#1 0x9f7862d in conn_free /path/to/source/3rdparty/curl/lib/url.c:2808
#2 0x9f78c6a in Curl_disconnect /path/to/source/3rdparty/curl/lib/url.c:2876
#3 0x9f41b09 in multi_done /path/to/source/3rdparty/curl/lib/multi.c:615
#4 0x9f48017 in multi_runsingle /path/to/source/3rdparty/curl/lib/multi.c:1896
#5 0x9f490f1 in curl_multi_perform /path/to/source/3rdparty/curl/lib/multi.c:2123
#6 0x9c4443c in perform /path/to/source/src/net/resourcemanager/ResourceManagerCurlThread.cpp:854
#7 0x9c445e0 in ...
#8 0x9c4cf1d in ...
#9 0xa2be6b5 in ...
#10 0xf7aa5780 in asan_thread_start /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226
#11 0xf4d3a16d in __clone (/lib/i386-linux-gnu/libc.so.6+0xe716d)
previously allocated by thread T13 (RESOURCE_HTTP) here:
#0 0xf7b1ba27 in __interceptor_calloc /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_malloc_linux.cc:70
#1 0x9f7dfa6 in allocate_conn /path/to/source/3rdparty/curl/lib/url.c:3904
#2 0x9f88ca0 in create_conn /path/to/source/3rdparty/curl/lib/url.c:5797
#3 0x9f8c928 in Curl_connect /path/to/source/3rdparty/curl/lib/url.c:6438
#4 0x9f45a8c in multi_runsingle /path/to/source/3rdparty/curl/lib/multi.c:1411
#5 0x9f490f1 in curl_multi_perform /path/to/source/3rdparty/curl/lib/multi.c:2123
#6 0x9c4443c in perform /path/to/source/src/net/resourcemanager/ResourceManagerCurlThread.cpp:854
#7 0x9c445e0 in ...
#8 0x9c4cf1d in ...
#9 0xa2be6b5 in ...
#10 0xf7aa5780 in asan_thread_start /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226
#11 0xf4d3a16d in __clone (/lib/i386-linux-gnu/libc.so.6+0xe716d)
SUMMARY: AddressSanitizer: heap-use-after-free /path/to/source/3rdparty/curl/lib/multi.c:666 in curl_multi_remove_handle
Shadow bytes around the buggy address:
0x3d3e9f20: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9f30: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9f40: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9f50: fd fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa
0x3d3e9f60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x3d3e9f70:[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9f80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9f90: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9fa0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9fb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
0x3d3e9fc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==11785==ABORTING
Thread 14 "RESOURCE_HTTP" received signal SIGABRT, Aborted.
[Switching to Thread 0xf27bfb40 (LWP 12324)]
0xf7fd8be9 in __kernel_vsyscall ()
(gdb) bt
#0 0xf7fd8be9 in __kernel_vsyscall ()
#1 0xf4c7ee89 in __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#2 0xf4c803e7 in __GI_abort () at abort.c:89
#3 0xf7b2ef2e in __sanitizer::Abort () at /opt/toolchain/src/gcc-6.2.0/libsanitizer/sanitizer_common/sanitizer_posix_libcdep.cc:122
#4 0xf7b262fa in __sanitizer::Die () at /opt/toolchain/src/gcc-6.2.0/libsanitizer/sanitizer_common/sanitizer_common.cc:145
#5 0xf7b21ab3 in __asan::ScopedInErrorReport::~ScopedInErrorReport (this=0xf27be171, __in_chrg=<optimized out>) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_report.cc:689
#6 0xf7b214a5 in __asan::ReportGenericError (pc=166993689, bp=4068206216, sp=4068206204, addr=3925146496, is_write=false, access_size=4, exp=0, fatal=true) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_report.cc:1074
#7 0xf7b21fce in __asan::__asan_report_load4 (addr=3925146496) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_rtl.cc:129
#8 0x09f41f19 in curl_multi_remove_handle (multi=0xf3406080, data=0xde582400) at /path/to/source3rdparty/curl/lib/multi.c:666
#9 0x09f6b277 in Curl_close (data=0xde582400) at /path/to/source3rdparty/curl/lib/url.c:415
#10 0x09f3354e in curl_easy_cleanup (data=0xde582400) at /path/to/source3rdparty/curl/lib/easy.c:860
#11 0x09c6de3f in ...
#12 0x09c378c5 in ...
#13 0x09c48133 in ...
#14 0x09c4d092 in ...
#15 0x0a2be6b6 in ...
#16 0xf7aa5781 in asan_thread_start (arg=0xf2d22938) at /opt/toolchain/src/gcc-6.2.0/libsanitizer/asan/asan_interceptors.cc:226
#17 0xf5de52b5 in start_thread (arg=0xf27bfb40) at pthread_create.c:333
#18 0xf4d3a16e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:114
Fixes #1083
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Also heavily edited for content. Removed lots of old cruft that we added
like 10+ years ago that is likely incorrect by now.
Also removed INSTALL.devcpp for same reason.
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In addition to -miphoneos-version-min, the same version can be set
using -mios-version-min. And for WatchOS and TvOS, there's
-mwatchos-version-min and -mtvos-version-min.
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This helps building binaries that can work on multiple macOS versions.
Help-by: Martin Storsjö
Fixes #1069
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The closure handle only ever has default timeouts set. To improve the
state somewhat we clone the timeouts from each added handle so that the
closure handle always has the same timeouts as the most recently added
easy handle.
Fixes #739
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... so that the same libcurl build easier can run on any version.
Follow-up to issue #1057
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The tool was never called cURL, only the project. But even so, we have
more and more over time switched to just use lower case.
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... since if it fails to init the entire array and then tries to clean
it up, it would attempt to work on an uninitialized pointer.
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As otherwise the callback could be called with a NULL pointer when RTSP
data is provided.
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Curl_select_ready() was the former API that was replaced with
Curl_select_check() a while back and the former arg setup was provided
with a define (in order to leave existing code unmodified).
Now we instead offer SOCKET_READABLE and SOCKET_WRITABLE for the most
common shortcuts where only one socket is checked. They're also more
visibly macros.
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... so that it becomes more obvious in the code what is what. Also added
a typecast for one of the calculations.
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... to allow you to update the local repository with the given version
number data.
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- Change back behavior so that pipelining is considered possible for
connections that have not yet reached the protocol level.
This is a follow-up to e5f0b1a which had changed the behavior of
checking if pipelining is possible to ignore connections that had
'bits.close' set. Connections that have not yet reached the protocol
level also have that bit set, and we need to consider pipelining
possible on those connections.
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There were bugs in the PKCS#11 engine, and fixing them triggers bugs in
OpenSSL. Just don't get involved; there's no need to be making the
engine methods the default anyway.
https://github.com/OpenSC/libp11/pull/108
https://github.com/openssl/openssl/pull/1639
Merges #1042
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This fixes a merge error in commit 7f3df80 caused by commit 332e8d6.
Additionally, this changes Curl_verify_windows_version for Windows App
builds to assume to always be running on the target Windows version.
There seems to be no way to determine the Windows version from a
UWP app. Neither GetVersion(Ex), nor VerifyVersionInfo, nor the
Version Helper functions are supported.
Bug: https://github.com/curl/curl/pull/820#issuecomment-250889878
Reported-by: Paul Joyce
Closes https://github.com/curl/curl/pull/1048
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No longer attempt to use "doomed" to-be-closed connections when
pipelining. Prior to this change connections marked for deletion (e.g.
timeout) would be erroneously used, resulting in sporadic crashes.
As originally reported and fixed by Carlo Wood (origin unknown).
Bug: https://github.com/curl/curl/issues/627
Reported-by: Rider Linden
Closes https://github.com/curl/curl/pull/1075
Participation-by: nopjmp@users.noreply.github.com
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To make it harder to do cross-protocol mistakes
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Closes https://github.com/curl/curl/pull/1070
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Fixes #1057
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Closes #922
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Closes #1066
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There shouldn't be many devs out there anymore using such outdated macOS
versions. And it removes the dead link.
Closes #1049
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5 more fixes, 2 more contributors
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Not all reply messages were properly checked for their lengths, which
made it possible to access uninitialized memory (but this does not lead
to out of boundary accesses).
Closes #1052
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128 arguments should be enough for everyone
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... it no longer takes printf() arguments since it was only really taken
advantage by one user and it was not written and used in a safe
way. Thus the 'f' is removed from the function name and the proto is
changed.
Although the current code wouldn't end up in badness, it was a risk that
future changes could end up springf()ing too large data or passing in a
format string inadvertently.
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The previous use of snprintf() could make libcurl silently truncate some
input data and not report that back on overly large input, which could
make data get sent over the network in a bad format.
Example:
$ curl --form 'a=b' -H "Content-Type: $(perl -e 'print "A"x4100')"
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The subdirectory for logs in tests/ is named log/ without an 's'
at the end.
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