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stub: split out code that finds the uname among PE sections

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This commit is contained in:
Lennart Poettering 2024-06-26 09:27:28 +02:00
parent 4a033b0a11
commit 79d076be37
1 changed files with 19 additions and 3 deletions
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22
src/boot/efi/stub.c
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@ -610,6 +610,24 @@ static void cmdline_append_and_measure_smbios(char16_t **cmdline, int *parameter
*cmdline = xasprintf("%ls %ls", tmp, extra16);
}
static void lookup_uname(
EFI_LOADED_IMAGE_PROTOCOL *loaded_image,
const PeSectionVector sections[static _UNIFIED_SECTION_MAX],
char **ret_uname) {
assert(loaded_image);
assert(sections);
assert(ret_uname);
if (!PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_UNAME)) {
*ret_uname = NULL;
return;
}
*ret_uname = xstrndup8((char *)loaded_image->ImageBase + sections[UNIFIED_SECTION_UNAME].memory_offset,
sections[UNIFIED_SECTION_UNAME].size);
}
static EFI_STATUS run(EFI_HANDLE image) {
_cleanup_free_ void *credential_initrd = NULL, *global_credential_initrd = NULL, *sysext_initrd = NULL, *confext_initrd = NULL, *pcrsig_initrd = NULL, *pcrpkey_initrd = NULL;
size_t credential_initrd_size = 0, global_credential_initrd_size = 0, sysext_initrd_size = 0, confext_initrd_size = 0, pcrsig_initrd_size = 0, pcrpkey_initrd_size = 0;
@ -645,9 +663,7 @@ static EFI_STATUS run(EFI_HANDLE image) {
CLEANUP_ARRAY(dt_filenames_addons_global, n_dts_addons_global, dt_filenames_free);
CLEANUP_ARRAY(dt_filenames_addons_uki, n_dts_addons_uki, dt_filenames_free);
if (PE_SECTION_VECTOR_IS_SET(sections + UNIFIED_SECTION_UNAME))
uname = xstrndup8((char *)loaded_image->ImageBase + sections[UNIFIED_SECTION_UNAME].memory_offset,
sections[UNIFIED_SECTION_UNAME].size);
lookup_uname(loaded_image, sections, &uname);
/* Now that we have the UKI sections loaded, also load global first and then local (per-UKI)
* addons. The data is loaded at once, and then used later. */