!22 update to 5.41
From: @markeryang Reviewed-by: @liuzhiqiang26 Signed-off-by: @liuzhiqiang26
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@ -1,133 +0,0 @@
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From 363d7fcf703ad3ebf37b45693b2c9e43eb8b4176 Mon Sep 17 00:00:00 2001
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From: Christos Zoulas <christos@zoulas.com>
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Date: Sat, 22 Aug 2020 18:04:18 +0000
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Subject: [PATCH] Improve detection of static-pie binaries, and don't call them
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"dynamically linked", but call them "static-pie" linked.
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---
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src/readelf.c | 37 ++++++++++++++++++++++++++-----------
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1 file changed, 26 insertions(+), 11 deletions(-)
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diff --git a/src/readelf.c b/src/readelf.c
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index cf1dc91..d390d5f 100644
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--- a/src/readelf.c
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+++ b/src/readelf.c
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@@ -27,7 +27,7 @@
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#include "file.h"
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#ifndef lint
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-FILE_RCSID("@(#)$File: readelf.c,v 1.173 2020/06/07 22:12:54 christos Exp $")
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+FILE_RCSID("@(#)$File: readelf.c,v 1.174 2020/08/22 18:04:18 christos Exp $")
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#endif
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#ifdef BUILTIN_ELF
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@@ -1099,7 +1099,7 @@ do_auxv_note(struct magic_set *ms, unsigned char *nbuf, uint32_t type,
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private size_t
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dodynamic(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
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- int clazz, int swap)
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+ int clazz, int swap, int *pie, size_t *need)
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{
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Elf32_Dyn dh32;
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Elf64_Dyn dh64;
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@@ -1117,11 +1117,15 @@ dodynamic(struct magic_set *ms, void *vbuf, size_t offset, size_t size,
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switch (xdh_tag) {
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case DT_FLAGS_1:
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+ *pie = 1;
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if (xdh_val & DF_1_PIE)
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ms->mode |= 0111;
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else
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ms->mode &= ~0111;
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break;
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+ case DT_NEEDED:
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+ (*need)++;
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+ break;
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default:
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break;
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}
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@@ -1608,9 +1612,10 @@ doshn(struct magic_set *ms, int clazz, int swap, int fd, off_t off, int num,
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}
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/*
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- * Look through the program headers of an executable image, searching
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- * for a PT_INTERP section; if one is found, it's dynamically linked,
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- * otherwise it's statically linked.
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+ * Look through the program headers of an executable image, to determine
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+ * if it is statically or dynamically linked. If it has a dynamic section,
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+ * it is pie, and does not have an interpreter or needed libraries, we
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+ * call it static pie.
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*/
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private int
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dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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@@ -1619,12 +1624,13 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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{
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Elf32_Phdr ph32;
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Elf64_Phdr ph64;
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- const char *linking_style = "statically";
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+ const char *linking_style;
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unsigned char nbuf[BUFSIZ];
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char ibuf[BUFSIZ];
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char interp[BUFSIZ];
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ssize_t bufsize;
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- size_t offset, align, len;
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+ size_t offset, align, len, need = 0;
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+ int pie = 0, dynamic = 0;
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if (num == 0) {
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if (file_printf(ms, ", no program header") == -1)
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@@ -1654,7 +1660,6 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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switch (xph_type) {
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case PT_DYNAMIC:
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doread = 1;
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- linking_style = "dynamically";
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break;
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case PT_NOTE:
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if (sh_num) /* Did this through section headers */
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@@ -1694,6 +1699,7 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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/* Things we can determine when we seek */
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switch (xph_type) {
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case PT_DYNAMIC:
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+ dynamic = 1;
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offset = 0;
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// Let DF_1 determine if we are PIE or not.
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ms->mode &= ~0111;
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@@ -1701,7 +1707,8 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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if (offset >= CAST(size_t, bufsize))
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break;
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offset = dodynamic(ms, nbuf, offset,
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- CAST(size_t, bufsize), clazz, swap);
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+ CAST(size_t, bufsize), clazz, swap,
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+ &pie, &need);
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if (offset == 0)
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break;
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}
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@@ -1710,6 +1717,7 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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break;
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case PT_INTERP:
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+ need++;
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if (ms->flags & MAGIC_MIME)
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continue;
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if (bufsize && nbuf[0]) {
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@@ -1744,8 +1752,15 @@ dophn_exec(struct magic_set *ms, int clazz, int swap, int fd, off_t off,
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}
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if (ms->flags & MAGIC_MIME)
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return 0;
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- if (file_printf(ms, ", %s linked", linking_style)
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- == -1)
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+ if (dynamic) {
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+ if (pie && need == 0)
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+ linking_style = "static-pie";
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+ else
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+ linking_style = "dynamically";
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+ } else {
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+ linking_style = "statically";
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+ }
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+ if (file_printf(ms, ", %s linked", linking_style) == -1)
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return -1;
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if (interp[0])
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if (file_printf(ms, ", interpreter %s",
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--
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1.8.3.1
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BIN
file-5.39.tar.gz
BIN
file-5.39.tar.gz
Binary file not shown.
BIN
file-5.41.tar.gz
Normal file
BIN
file-5.41.tar.gz
Normal file
Binary file not shown.
18
file.spec
18
file.spec
@ -1,16 +1,15 @@
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Name: file
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Version: 5.39
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Release: 6
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Version: 5.41
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Release: 1
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Summary: A tool to identify the type of a particular file type
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License: BSD
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URL: http://www.darwinsys.com/file/
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Source0: ftp://ftp.astron.com/pub/file/file-%{version}.tar.gz
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Patch1: 0001-file-localmagic.patch
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Patch2: 0002-improve-detection-of-static-pie-binaries.patch
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Requires: %{name}-libs = %{version}-%{release}
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BuildRequires: autoconf automake libtool zlib-devel
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BuildRequires: autoconf automake libtool zlib-devel make
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%description
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The program checks to see if the file is empty,or if
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@ -83,6 +82,7 @@ cd -
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%make_install
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rm -f ${RPM_BUILD_ROOT}%{_libdir}/*.la
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mkdir -p ${RPM_BUILD_ROOT}%{_sysconfdir}
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cp -dR ./magic/magic.local ${RPM_BUILD_ROOT}%{_sysconfdir}/magic
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cat magic/Magdir/* > ${RPM_BUILD_ROOT}%{_datadir}/misc/magic
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ln -s misc/magic ${RPM_BUILD_ROOT}%{_datadir}/magic
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@ -95,16 +95,17 @@ cd %{py3dir}
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%ldconfig_scriptlets libs
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%check
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make check
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export LD_LIBRARY_PATH=$PWD/src/.libs
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make -C tests check
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%files
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%doc ChangeLog README
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%doc ChangeLog
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%license COPYING
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%config(noreplace) %{_sysconfdir}/magic
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%{_bindir}/*
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%files libs
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%doc ChangeLog README
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%doc ChangeLog
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%license COPYING
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%{_libdir}/*so.*
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%{_datadir}/magic*
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@ -129,6 +130,9 @@ make check
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%{python3_sitelib}/__pycache__/*
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%changelog
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* Fri Nov 26 2021 yanglongkang <yanglongkang@huawei.com> - 5.41-1
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- update to 5.41
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* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 5.39-6
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- DESC: delete -S git from %autosetup, and delete BuildRequires git
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