From: luca.boccassi@gmail.com
To: elfutils-devel@sourceware.org
Subject: [PATCH] libebl: recognize FDO Packaging Metadata ELF note
Date: Fri, 19 Nov 2021 00:31:27 +0000 [thread overview]
Message-ID: <20211119003127.466778-1-luca.boccassi@gmail.com> (raw)
From: Luca Boccassi <bluca@debian.org>
As defined on: https://systemd.io/COREDUMP_PACKAGE_METADATA/
this note will be used starting from Fedora 36. Allow
readelf --notes to pretty print it:
Note section [ 3] '.note.package' of 76 bytes at offset 0x2e8:
Owner Data size Type
FDO 57 FDO_PACKAGING_METADATA
Packaging Metadata: {"type":"deb","name":"fsverity-utils","version":"1.3-1"}
Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>
---
libebl/eblobjnote.c | 3 +++
libebl/eblobjnotetypename.c | 3 +++
libelf/elf.h | 3 +++
3 files changed, 9 insertions(+)
diff --git a/libebl/eblobjnote.c b/libebl/eblobjnote.c
index 36efe275..1f8bcccf 100644
--- a/libebl/eblobjnote.c
+++ b/libebl/eblobjnote.c
@@ -288,6 +288,9 @@ ebl_object_note (Ebl *ebl, uint32_t namesz, const char *name, uint32_t type,
if (descsz == 0 && type == NT_VERSION)
return;
+ if (strcmp ("FDO", name) == 0 && type == FDO_PACKAGING_METADATA && descsz > 0)
+ printf(" Packaging Metadata: %.*s\n", (int) descsz, desc);
+
/* Everything else should have the "GNU" owner name. */
if (strcmp ("GNU", name) != 0)
return;
diff --git a/libebl/eblobjnotetypename.c b/libebl/eblobjnotetypename.c
index 4662906d..863f20e4 100644
--- a/libebl/eblobjnotetypename.c
+++ b/libebl/eblobjnotetypename.c
@@ -101,6 +101,9 @@ ebl_object_note_type_name (Ebl *ebl, const char *name, uint32_t type,
return buf;
}
+ if (strcmp (name, "FDO") == 0 && type == FDO_PACKAGING_METADATA)
+ return "FDO_PACKAGING_METADATA";
+
if (strcmp (name, "GNU") != 0)
{
/* NT_VERSION is special, all data is in the name. */
diff --git a/libelf/elf.h b/libelf/elf.h
index 8e3e618f..633f9f67 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -1297,6 +1297,9 @@ typedef struct
/* Program property. */
#define NT_GNU_PROPERTY_TYPE_0 5
+/* Packaging metadata as defined on https://systemd.io/COREDUMP_PACKAGE_METADATA/ */
+#define FDO_PACKAGING_METADATA 0xcafe1a7e
+
/* Note section name of program property. */
#define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property"
--
2.30.2
next reply other threads:[~2021-11-19 0:31 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-19 0:31 luca.boccassi [this message]
2021-11-21 16:33 ` Mark Wielaard
2021-11-21 19:54 ` Luca Boccassi
2021-11-21 19:43 ` [PATCH v2] " luca.boccassi
2021-11-25 17:02 ` Luca Boccassi
2021-11-30 11:25 ` Mark Wielaard
2021-11-30 12:37 ` Luca Boccassi
2021-11-30 16:23 ` Frank Ch. Eigler
2021-11-30 16:49 ` Florian Weimer
2021-11-30 20:04 ` Mark Wielaard
2021-12-02 15:16 ` Frank Ch. Eigler
2021-12-02 15:44 ` Florian Weimer
2021-12-05 17:36 ` Mark Wielaard
2022-03-24 23:14 ` Mark Wielaard
2022-03-24 23:14 ` [PATCH 1/3] libelf: Sync elf.h from glibc Mark Wielaard
2022-03-24 23:14 ` [PATCH 2/3] libebl: recognize FDO Packaging Metadata ELF note Mark Wielaard
2022-03-24 23:14 ` [PATCH 3/3] elflint: Recognize NT_FDO_PACKAGING_METADATA Mark Wielaard
2022-03-25 11:17 ` [PATCH v2] libebl: recognize FDO Packaging Metadata ELF note Luca Boccassi
2022-03-25 13:39 ` Mark Wielaard
2022-03-25 13:52 ` Luca Boccassi
2022-03-25 14:47 ` Mark Wielaard
2022-03-25 14:55 ` Luca Boccassi
2022-03-26 16:33 ` Mark Wielaard
2022-03-26 16:57 ` Luca Boccassi
2022-03-26 18:19 ` Luca Boccassi
2022-03-28 9:57 ` Mark Wielaard
2022-03-28 10:41 ` Luca Boccassi
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