128 lines
3.9 KiB
Diff
128 lines
3.9 KiB
Diff
From 3ed5b365c5134cb18da8aed397c7c4551af25715 Mon Sep 17 00:00:00 2001
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From: Daan De Meyer <daan.j.demeyer@gmail.com>
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Date: Tue, 1 Mar 2022 17:04:13 +0000
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Subject: [PATCH] shared: Add more dlopen() tests
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Add dlopen_dw(), dlopen_elf() and dlopen_pcre2() to the dlopen test.
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To enable adding dlopen_pcre2(), we move pcre2-dlopen.h/c from
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src/journal to src/shared.
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(cherry picked from commit ee48779e05831a0ec5e1ba5e7ed5fe92aaca1d9e)
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Related: #2017035
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---
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src/journal/meson.build | 2 --
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src/shared/elf-util.c | 4 ++--
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src/shared/elf-util.h | 3 +++
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src/shared/meson.build | 2 ++
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src/{journal => shared}/pcre2-dlopen.c | 0
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src/{journal => shared}/pcre2-dlopen.h | 0
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src/test/test-dlopen-so.c | 11 +++++++++++
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7 files changed, 18 insertions(+), 4 deletions(-)
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rename src/{journal => shared}/pcre2-dlopen.c (100%)
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rename src/{journal => shared}/pcre2-dlopen.h (100%)
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diff --git a/src/journal/meson.build b/src/journal/meson.build
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index eb66bfd584..270592f2ac 100644
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--- a/src/journal/meson.build
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+++ b/src/journal/meson.build
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@@ -49,8 +49,6 @@ systemd_cat_sources = files('cat.c')
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journalctl_sources = files('''
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journalctl.c
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- pcre2-dlopen.c
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- pcre2-dlopen.h
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'''.split())
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if install_sysconfdir_samples
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diff --git a/src/shared/elf-util.c b/src/shared/elf-util.c
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index 4d93e7eaba..6d9fcfbbf2 100644
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--- a/src/shared/elf-util.c
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+++ b/src/shared/elf-util.c
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@@ -80,7 +80,7 @@ unsigned int (*sym_elf_version)(unsigned int);
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GElf_Phdr *(*sym_gelf_getphdr)(Elf *, int, GElf_Phdr *);
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size_t (*sym_gelf_getnote)(Elf_Data *, size_t, GElf_Nhdr *, size_t *, size_t *);
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-static int dlopen_dw(void) {
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+int dlopen_dw(void) {
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int r;
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r = dlopen_many_sym_or_warn(
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@@ -123,7 +123,7 @@ static int dlopen_dw(void) {
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return 1;
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}
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-static int dlopen_elf(void) {
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+int dlopen_elf(void) {
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int r;
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r = dlopen_many_sym_or_warn(
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diff --git a/src/shared/elf-util.h b/src/shared/elf-util.h
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index cf3d9be128..b28e64cea6 100644
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--- a/src/shared/elf-util.h
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+++ b/src/shared/elf-util.h
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@@ -4,6 +4,9 @@
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#include "json.h"
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#if HAVE_ELFUTILS
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+int dlopen_dw(void);
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+int dlopen_elf(void);
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+
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/* Parse an ELF object in a forked process, so that errors while iterating over
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* untrusted and potentially malicious data do not propagate to the main caller's process.
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* If fork_disable_dump, the child process will not dump core if it crashes. */
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diff --git a/src/shared/meson.build b/src/shared/meson.build
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index 5dc58a863d..006310a917 100644
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--- a/src/shared/meson.build
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+++ b/src/shared/meson.build
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@@ -241,6 +241,8 @@ shared_sources = files('''
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parse-argument.h
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parse-socket-bind-item.c
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parse-socket-bind-item.h
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+ pcre2-dlopen.c
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+ pcre2-dlopen.h
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pe-header.h
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pkcs11-util.c
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pkcs11-util.h
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diff --git a/src/journal/pcre2-dlopen.c b/src/shared/pcre2-dlopen.c
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similarity index 100%
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rename from src/journal/pcre2-dlopen.c
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rename to src/shared/pcre2-dlopen.c
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diff --git a/src/journal/pcre2-dlopen.h b/src/shared/pcre2-dlopen.h
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similarity index 100%
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rename from src/journal/pcre2-dlopen.h
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rename to src/shared/pcre2-dlopen.h
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diff --git a/src/test/test-dlopen-so.c b/src/test/test-dlopen-so.c
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index ea2ef31b1f..002f666ed8 100644
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--- a/src/test/test-dlopen-so.c
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+++ b/src/test/test-dlopen-so.c
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@@ -5,10 +5,12 @@
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#include "bpf-dlopen.h"
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#include "cryptsetup-util.h"
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+#include "elf-util.h"
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#include "idn-util.h"
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#include "libfido2-util.h"
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#include "macro.h"
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#include "main-func.h"
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+#include "pcre2-dlopen.h"
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#include "pwquality-util.h"
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#include "qrcode-util.h"
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#include "tests.h"
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@@ -49,6 +51,15 @@ static int run(int argc, char **argv) {
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assert_se(dlopen_bpf() >= 0);
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#endif
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+#if HAVE_ELFUTILS
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+ assert_se(dlopen_dw() >= 0);
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+ assert_se(dlopen_elf() >= 0);
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+#endif
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+
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+#if HAVE_PCRE2
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+ assert_se(dlopen_pcre2() >= 0);
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+#endif
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+
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return 0;
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}
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