systemd/0426-bootctl-kernel-inspect-print-os-info.patch

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From 6204aa43883fdf02d72bd0db6d3cfbfa7c075213 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 20 Jan 2023 15:40:36 +0100
Subject: [PATCH] bootctl: kernel-inspect: print os info
(cherry picked from commit 2d4260482cb8463f4de9502efd26bf8c64262669)
Related: RHEL-16354
---
src/boot/bootctl-uki.c | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/src/boot/bootctl-uki.c b/src/boot/bootctl-uki.c
index 3085f703a8..6bdf926350 100644
--- a/src/boot/bootctl-uki.c
+++ b/src/boot/bootctl-uki.c
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "bootctl-uki.h"
+#include "env-file.h"
#include "fd-util.h"
#include "parse-util.h"
#include "pe-header.h"
@@ -142,10 +143,31 @@ static int read_pe_section(FILE *uki, const struct PeSectionHeader *section,
return 0;
}
+static void inspect_osrel(char *osrel, size_t osrel_size) {
+ _cleanup_fclose_ FILE *s = NULL;
+ _cleanup_free_ char *pname = NULL, *name = NULL;
+ int r;
+
+ assert(osrel);
+ s = fmemopen(osrel, osrel_size, "r");
+ if (!s)
+ return (void) log_warning_errno(errno, "Failed to open embedded os-release file, ignoring: %m");
+
+ r = parse_env_file(s, NULL,
+ "PRETTY_NAME", &pname,
+ "NAME", &name);
+ if (r < 0)
+ return (void) log_warning_errno(r, "Failed to parse embedded os-release file, ignoring: %m");
+
+ if (pname || name)
+ printf(" OS: %s\n", pname ?: name);
+}
+
static void inspect_uki(FILE *uki, struct PeSectionHeader *sections, size_t scount) {
_cleanup_free_ char *cmdline = NULL;
_cleanup_free_ char *uname = NULL;
- size_t idx;
+ _cleanup_free_ char *osrel = NULL;
+ size_t osrel_size, idx;
if (find_pe_section(sections, scount, name_cmdline, sizeof(name_cmdline), &idx))
read_pe_section(uki, sections + idx, (void**)&cmdline, NULL);
@@ -153,10 +175,15 @@ static void inspect_uki(FILE *uki, struct PeSectionHeader *sections, size_t scou
if (find_pe_section(sections, scount, name_uname, sizeof(name_uname), &idx))
read_pe_section(uki, sections + idx, (void**)&uname, NULL);
+ if (find_pe_section(sections, scount, name_osrel, sizeof(name_osrel), &idx))
+ read_pe_section(uki, sections + idx, (void**)&osrel, &osrel_size);
+
if (cmdline)
printf(" Cmdline: %s\n", cmdline);
if (uname)
printf(" Version: %s\n", uname);
+ if (osrel)
+ inspect_osrel(osrel, osrel_size);
}
int verb_kernel_inspect(int argc, char *argv[], void *userdata) {