Package init

This commit is contained in:
overweight 2019-09-30 10:58:18 -04:00
commit 594f29a7ba
4 changed files with 302 additions and 0 deletions

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From eabe6d534c5c8c6ca38f3dc846f17aad6395da8c Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Thu, 22 Nov 2018 16:10:39 +0100
Subject: [PATCH 09/28] lib:talloc: Fix undefined behavior in talloc_memdup
lib/talloc/talloc.c:2419: runtime error: null pointer passed as argument
2, which is declared to never be null
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Signed-off-by: root <root@localhost.localdomain>
---
talloc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/talloc.c b/talloc.c
index 54be63495ae..073a3e50d4b 100644
--- a/talloc.c
+++ b/talloc.c
@@ -2413,9 +2413,14 @@ _PUBLIC_ void *_talloc_zero(const void *ctx, size_t size, const char *name)
*/
_PUBLIC_ void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name)
{
- void *newp = _talloc_named_const(t, size, name);
+ void *newp = NULL;
- if (likely(newp)) {
+ if (likely(size > 0) && unlikely(p == NULL)) {
+ return NULL;
+ }
+
+ newp = _talloc_named_const(t, size, name);
+ if (likely(newp != NULL) && likely(size > 0)) {
memcpy(newp, p, size);
}
--
2.19.1

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From b2c2c4c3e6c4538c62cbcf03923bd7536292f7e9 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Fri, 12 Oct 2018 11:58:26 +0200
Subject: [PATCH 16/28] talloc: Fix alignment issues for casting pointers
warning: cast from 'char *' to 'struct talloc_chunk *' increases required
alignment from 1 to 8
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Mar 19 12:38:50 UTC 2019 on sn-devel-144
Signed-off-by: root <root@localhost.localdomain>
---
talloc.c | 30 +++++++++++++++++++++++++-----
1 file changed, 25 insertions(+), 5 deletions(-)
diff --git a/talloc.c b/talloc.c
index 073a3e50d4b..518ffbdbfdf 100644
--- a/talloc.c
+++ b/talloc.c
@@ -317,6 +317,11 @@ struct talloc_chunk {
struct talloc_pool_hdr *pool;
};
+union talloc_chunk_cast_u {
+ uint8_t *ptr;
+ struct talloc_chunk *chunk;
+};
+
/* 16 byte alignment seems to keep everyone happy */
#define TC_ALIGN16(s) (((s)+15)&~15)
#define TC_HDR_SIZE TC_ALIGN16(sizeof(struct talloc_chunk))
@@ -611,16 +616,25 @@ struct talloc_pool_hdr {
size_t poolsize;
};
+union talloc_pool_hdr_cast_u {
+ uint8_t *ptr;
+ struct talloc_pool_hdr *hdr;
+};
+
#define TP_HDR_SIZE TC_ALIGN16(sizeof(struct talloc_pool_hdr))
static inline struct talloc_pool_hdr *talloc_pool_from_chunk(struct talloc_chunk *c)
{
- return (struct talloc_pool_hdr *)((char *)c - TP_HDR_SIZE);
+ union talloc_chunk_cast_u tcc = { .chunk = c };
+ union talloc_pool_hdr_cast_u tphc = { tcc.ptr - TP_HDR_SIZE };
+ return tphc.hdr;
}
static inline struct talloc_chunk *talloc_chunk_from_pool(struct talloc_pool_hdr *h)
{
- return (struct talloc_chunk *)((char *)h + TP_HDR_SIZE);
+ union talloc_pool_hdr_cast_u tphc = { .hdr = h };
+ union talloc_chunk_cast_u tcc = { .ptr = tphc.ptr + TP_HDR_SIZE };
+ return tcc.chunk;
}
static inline void *tc_pool_end(struct talloc_pool_hdr *pool_hdr)
@@ -668,6 +682,7 @@ static inline struct talloc_chunk *tc_alloc_pool(struct talloc_chunk *parent,
size_t size, size_t prefix_len)
{
struct talloc_pool_hdr *pool_hdr = NULL;
+ union talloc_chunk_cast_u tcc;
size_t space_left;
struct talloc_chunk *result;
size_t chunk_size;
@@ -698,7 +713,10 @@ static inline struct talloc_chunk *tc_alloc_pool(struct talloc_chunk *parent,
return NULL;
}
- result = (struct talloc_chunk *)((char *)pool_hdr->end + prefix_len);
+ tcc = (union talloc_chunk_cast_u) {
+ .ptr = ((uint8_t *)pool_hdr->end) + prefix_len
+ };
+ result = tcc.chunk;
#if defined(DEVELOPER) && defined(VALGRIND_MAKE_MEM_UNDEFINED)
VALGRIND_MAKE_MEM_UNDEFINED(pool_hdr->end, chunk_size);
@@ -750,7 +768,8 @@ static inline void *__talloc_with_prefix(const void *context,
}
if (tc == NULL) {
- char *ptr;
+ uint8_t *ptr = NULL;
+ union talloc_chunk_cast_u tcc;
/*
* Only do the memlimit check/update on actual allocation.
@@ -764,7 +783,8 @@ static inline void *__talloc_with_prefix(const void *context,
if (unlikely(ptr == NULL)) {
return NULL;
}
- tc = (struct talloc_chunk *)(ptr + prefix_len);
+ tcc = (union talloc_chunk_cast_u) { .ptr = ptr + prefix_len };
+ tc = tcc.chunk;
tc->flags = talloc_magic;
tc->pool = NULL;
--
2.19.1

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libtalloc.spec Normal file
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Name: libtalloc
Version: 2.1.14
Release: 4
Summary: A memory pool system
License: LGPLv3+
URL: https://talloc.samba.org/talloc/doc/html/index.html
Source: https://www.samba.org/ftp/talloc/talloc-%{version}.tar.gz
Patch6000: 6000-lib-talloc-Fix-undefined-behavior-in-talloc_memdup.patch
Patch6001: 6001-talloc-Fix-alignment-issues-for-casting-pointers.patch
BuildRequires: gcc git docbook-style-xsl python2-devel python3-devel doxygen
Provides: bundled(libreplace)
# Patches
%description
A hierarchical, reference counted memory pool system with destructors
%package -n libtalloc-devel
Summary: Files for libtalloc development
Requires: libtalloc = %{version}-%{release}
%description -n libtalloc-devel
Files for libtalloc development
%package help
Summary: Including man files for libtalloc
Requires: man
%description help
This contains man files for the using of libtalloc
%package -n python2-talloc
Summary: Provide the python rely for libtalloc
Requires: libtalloc = %{version}-%{release}
Provides: pytalloc%{?_isa} = %{version}-%{release}
Provides: pytalloc = %{version}-%{release}
Obsoletes: pytalloc < 2.1.3
%{?python_provide:%python_provide python2-talloc}
%description -n python2-talloc
Provide the python 2 when using the libtalloc
%package -n python2-talloc-devel
Summary: Files for python2-talloc development
Requires: python2-talloc = %{version}-%{release}
Provides: pytalloc-devel%{?_isa} = %{version}-%{release}
Provides: pytalloc-devel = %{version}-%{release}
Obsoletes: pytalloc-devel < 2.1.3
%{?python_provide:%python_provide python2-talloc-devel}
%description -n python2-talloc-devel
Files for python2-talloc development
%package -n python3-talloc
Summary: Provide the python rely for libtalloc
Requires: libtalloc = %{version}-%{release}
%{?python_provide:%python_provide python3-talloc}
%description -n python3-talloc
Provide the python 3 when using the libtalloc
%package -n python3-talloc-devel
Summary: Files for python3-talloc development
Requires: python3-talloc = %{version}-%{release}
%{?python_provide:%python_provide python3-talloc-devel}
%description -n python3-talloc-devel
Files for python3-talloc development
%prep
%autosetup -n talloc-%{version} -p1
%build
export python_LDFLAGS=""
pathfix.py -n -p -i %{__python2} buildtools/bin/waf
%configure --disable-rpath \
--disable-rpath-install \
--bundled-libraries=NONE \
--builtin-libraries=replace \
--disable-silent-rules \
--extra-python=%{__python3}
%make_build V=1
doxygen doxy.config
%check
%make_build check
%install
%make_install
find $RPM_BUILD_ROOT -name "*.so*" -exec chmod -c +x {} \;
rm -f $RPM_BUILD_ROOT%{_libdir}/libtalloc.a
rm -f $RPM_BUILD_ROOT/usr/share/swig/*/talloc.i
mkdir -p $RPM_BUILD_ROOT/%{_mandir}
cp -a doc/man/* $RPM_BUILD_ROOT/%{_mandir}
%files
%{_libdir}/libtalloc.so.*
%files devel
%{_includedir}/talloc.h
%{_libdir}/libtalloc.so
%{_libdir}/pkgconfig/talloc.pc
%files help
%{_mandir}/man3/*
%files -n python2-talloc
%{_libdir}/libpytalloc-util.so.*
%{python2_sitearch}/talloc.so
%files -n python2-talloc-devel
%{_includedir}/pytalloc.h
%{_libdir}/pkgconfig/pytalloc-util.pc
%{_libdir}/libpytalloc-util.so
%files -n python3-talloc
%{_libdir}/libpytalloc-util.cpython*.so.*
%{python3_sitearch}/talloc.cpython*.so
%files -n python3-talloc-devel
%{_includedir}/pytalloc.h
%{_libdir}/pkgconfig/pytalloc-util.cpython-*.pc
%{_libdir}/libpytalloc-util.cpython*.so
%ldconfig_scriptlets
%ldconfig_scriptlets -n python2-talloc
%ldconfig_scriptlets -n python3-talloc
%changelog
* Tue Sep 3 2019 shidongdong <shidongdong5@huawei.com> - 2.1.14-4
- Type:enhancement
- ID:NA
- SUG:NA
- DESC:openEuler Debranding
* Tue Aug 20 2019 zhanghaibo <ted.zhang@huawei.com> - 2.1.14-3
- correct patch name
* Wed Apr 17 2019 gaoyi<gaoyi15@huawei.com> - 2.1.14-2.h1
- Type:bugfix
- ID:NA
- SUG:NA
- DESC: backport patches from https://github.com/samba-team/samba
- Package init

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