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Merge pull request #1913 from minrk/backport-secure-allocator
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backport patch for secure_allocator
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minrk authored Dec 1, 2023
2 parents 7777f2f + c3185f8 commit f5e28d3
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58 changes: 58 additions & 0 deletions buildutils/4480.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,58 @@
From 438d5d88392baffa6c2c5e0737d9de19d6686f0d Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <[email protected]>
Date: Tue, 20 Dec 2022 21:45:16 +0000
Subject: [PATCH] src/secure_allocator.hpp: define missing 'rebind' type

`gcc-13` added an assert to standard headers to make sure custom
allocators have intended implementation of rebind type instead
of inherited rebind. gcc change:
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=64c986b49558a7

Without the fix build fails on this week's `gcc-13` as:

[ 92%] Building CXX object tests/CMakeFiles/test_security_curve.dir/test_security_curve.cpp.o
In file included from /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/ext/alloc_traits.h:34,
from /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_uninitialized.h:64,
from /<<NIX>>/gcc-13.0.0/include/c++/13.0.0/memory:69,
from tests/../src/secure_allocator.hpp:42,
from tests/../src/curve_client_tools.hpp:49,
from tests/test_security_curve.cpp:53:
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h: In instantiation of 'struct std::__allocator_traits_base::__rebind<zmq::secure_allocator_t<unsigned char>, unsigned char, void>':
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:94:11: required by substitution of 'template<class _Alloc, class _Up> using std::__alloc_rebind = typename std::__allocator_traits_base::__rebind<_Alloc, _Up>::type [with _Alloc = zmq::secure_allocator_t<unsigned char>; _Up = unsigned char]'
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:228:8: required by substitution of 'template<class _Alloc> template<class _Tp> using std::allocator_traits< <template-parameter-1-1> >::rebind_alloc = std::__alloc_rebind<_Alloc, _Tp> [with _Tp = unsigned char; _Alloc = zmq::secure_allocator_t<unsigned char>]'
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/ext/alloc_traits.h:126:65: required from 'struct __gnu_cxx::__alloc_traits<zmq::secure_allocator_t<unsigned char>, unsigned char>::rebind<unsigned char>'
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_vector.h:88:21: required from 'struct std::_Vector_base<unsigned char, zmq::secure_allocator_t<unsigned char> >'
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/stl_vector.h:423:11: required from 'class std::vector<unsigned char, zmq::secure_allocator_t<unsigned char> >'
tests/../src/curve_client_tools.hpp:64:76: required from here
/<<NIX>>/gcc-13.0.0/include/c++/13.0.0/bits/alloc_traits.h:70:31: error: static assertion failed: allocator_traits<A>::rebind_alloc<A::value_type> must be A
70 | _Tp>::value,
| ^~~~~

The change adds trivial `rebind` definition with expected return type
and satisfies conversion requirements.
---
src/secure_allocator.hpp | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/src/secure_allocator.hpp b/src/secure_allocator.hpp
index e0871dcc99..5e97368911 100644
--- a/src/secure_allocator.hpp
+++ b/src/secure_allocator.hpp
@@ -99,6 +99,17 @@ bool operator!= (const secure_allocator_t<T> &, const secure_allocator_t<U> &)
#else
template <typename T> struct secure_allocator_t : std::allocator<T>
{
+ secure_allocator_t () ZMQ_DEFAULT;
+
+ template <class U>
+ secure_allocator_t (const secure_allocator_t<U> &) ZMQ_NOEXCEPT
+ {
+ }
+
+ template <class U> struct rebind
+ {
+ typedef secure_allocator_t<U> other;
+ };
};
#endif
}
22 changes: 19 additions & 3 deletions buildutils/bundle.py
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
import shutil
import sys
import zipfile
from subprocess import PIPE, Popen
from subprocess import PIPE, Popen, run
from tempfile import TemporaryDirectory
from unittest import mock
from urllib.request import urlopen
Expand Down Expand Up @@ -138,7 +138,14 @@ def fetch_archive(savedir, url, fname, checksum, force=False):
# -----------------------------------------------------------------------------


def fetch_and_extract(savedir, extract_to, url, fname, checksum):
def apply_patch(path, patch_file):
"""apply a single patch to a directory"""
info(f"patching {path} with {patch_file}")
with open(patch_file) as f:
run(["patch", "-p1"], stdin=f, check=True, cwd=path)


def fetch_and_extract(savedir, extract_to, url, fname, checksum, patches=None):
"""Download and extract an archive"""
dest = pjoin(savedir, extract_to)
if os.path.exists(dest):
Expand All @@ -150,14 +157,23 @@ def fetch_and_extract(savedir, extract_to, url, fname, checksum):
with_version = pjoin(savedir, zf.namelist()[0])
# remove version suffix:
shutil.move(with_version, dest)
# apply patches, if any
for patch_file in patches or []:
apply_patch(dest, patch_file)
# remove archive when we are done
os.remove(archive)
return dest


def fetch_libzmq(savedir):
"""download and extract libzmq"""
fetch_and_extract(
savedir, 'zeromq', url=libzmq_url, fname=libzmq, checksum=libzmq_checksum
savedir,
'zeromq',
url=libzmq_url,
fname=libzmq,
checksum=libzmq_checksum,
patches=[pjoin(HERE, "4480.patch")],
)


Expand Down

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