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bootctl: kernel-inspect: print os info

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This commit is contained in:
Gerd Hoffmann 2023-01-20 15:40:36 +01:00 committed by Lennart Poettering
parent 31778abf95
commit 2d4260482c
1 changed files with 28 additions and 1 deletions
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29
src/boot/bootctl-uki.c
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@ -2,6 +2,7 @@
#include "bootctl.h"
#include "bootctl-uki.h"
#include "env-file.h"
#include "fd-util.h"
#include "parse-util.h"
#include "pe-header.h"
@ -143,10 +144,31 @@ 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);
@ -154,10 +176,15 @@ 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) {