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Diffstat (limited to 'src/efi/gummiboot.c')
-rw-r--r--src/efi/gummiboot.c156
1 files changed, 127 insertions, 29 deletions
diff --git a/src/efi/gummiboot.c b/src/efi/gummiboot.c
index 7ab291c..f9da90d 100644
--- a/src/efi/gummiboot.c
+++ b/src/efi/gummiboot.c
@@ -31,6 +31,7 @@
#include "util.h"
#include "console.h"
#include "graphics.h"
+#include "pefile.h"
#ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
@@ -991,7 +992,7 @@ static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
return StrCmp(os1, os2);
}
-static CHAR8 *line_get_key_value(CHAR8 *content, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
+static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
CHAR8 *line;
UINTN linelen;
CHAR8 *value;
@@ -1024,7 +1025,7 @@ skip:
}
/* remove trailing whitespace */
- while (linelen > 0 && strchra((CHAR8 *)" \t", line[linelen-1]))
+ while (linelen > 0 && strchra(sep, line[linelen-1]))
linelen--;
line[linelen] = '\0';
@@ -1033,15 +1034,21 @@ skip:
/* split key/value */
value = line;
- while (*value && !strchra((CHAR8 *)" \t", *value))
+ while (*value && !strchra(sep, *value))
value++;
if (*value == '\0')
goto skip;
*value = '\0';
value++;
- while (*value && strchra((CHAR8 *)" \t", *value))
+ while (*value && strchra(sep, *value))
value++;
+ /* unquote */
+ if (value[0] == '\"' && line[linelen-1] == '\"') {
+ value++;
+ line[linelen-1] = '\0';
+ }
+
*key_ret = line;
*value_ret = value;
return line;
@@ -1053,7 +1060,7 @@ static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
CHAR8 *key, *value;
line = content;
- while ((line = line_get_key_value(content, &pos, &key, &value))) {
+ while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
if (strcmpa((CHAR8 *)"timeout", key) == 0) {
CHAR16 *s;
@@ -1119,7 +1126,7 @@ static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR1
entry = AllocateZeroPool(sizeof(ConfigEntry));
line = content;
- while ((line = line_get_key_value(content, &pos, &key, &value))) {
+ while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
if (strcmpa((CHAR8 *)"title", key) == 0) {
FreePool(entry->title);
entry->title = stra_to_str(value);
@@ -1290,7 +1297,7 @@ static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir,
UINTN len;
UINTN i;
- len = file_read(root_dir, L"\\loader\\loader.conf", &content);
+ len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
if (len > 0)
config_defaults_load_from_file(config, content);
FreePool(content);
@@ -1327,7 +1334,7 @@ static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir,
if (StriCmp(f->FileName + len - 5, L".conf") != 0)
continue;
- len = file_read(entries_dir, f->FileName, &content);
+ len = file_read(entries_dir, f->FileName, 0, 0, &content);
if (len > 0)
config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
FreePool(content);
@@ -1562,11 +1569,26 @@ static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (
return TRUE;
}
-static BOOLEAN config_entry_add_loader(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
- CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
+static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
+ ConfigEntry *entry;
+
+ entry = AllocateZeroPool(sizeof(ConfigEntry));
+ entry->title = StrDuplicate(title);
+ entry->device = device;
+ entry->loader = StrDuplicate(loader);
+ entry->file = StrDuplicate(file);
+ StrLwr(entry->file);
+ entry->key = key;
+ config_add_entry(config, entry);
+
+ return entry;
+}
+
+static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
+ CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
EFI_FILE_HANDLE handle;
- EFI_STATUS err;
ConfigEntry *entry;
+ EFI_STATUS err;
/* do not add an entry for ourselves */
if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
@@ -1578,29 +1600,16 @@ static BOOLEAN config_entry_add_loader(Config *config, EFI_HANDLE *device, EFI_F
return FALSE;
uefi_call_wrapper(handle->Close, 1, handle);
- entry = AllocateZeroPool(sizeof(ConfigEntry));
- entry->title = StrDuplicate(title);
- entry->device = device;
- entry->loader = StrDuplicate(loader);
- entry->file = StrDuplicate(file);
- StrLwr(entry->file);
- entry->key = key;
- config_add_entry(config, entry);
+ entry = config_entry_add_loader(config, device, file, key, title, loader);
+ if (!entry)
+ return FALSE;
- /* do not boot right away into aut-detected entries */
+ /* do not boot right away into auto-detected entries */
entry->no_autoselect = TRUE;
/* do not show a splash; they do not need one, or they draw their own */
entry->splash = StrDuplicate(L"");
- return TRUE;
-}
-
-static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
- CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
- if (!config_entry_add_loader(config, device, root_dir, loaded_image_path, file, key, title, loader))
- return FALSE;
-
/* export identifiers of automatically added entries */
if (config->entries_auto) {
CHAR16 *s;
@@ -1641,11 +1650,98 @@ static VOID config_entry_add_osx(Config *config) {
}
}
-static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
+static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
+ EFI_FILE_HANDLE linux_dir;
EFI_STATUS err;
+
+ err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
+ if (!EFI_ERROR(err)) {
+ for (;;) {
+ CHAR16 buf[256];
+ UINTN bufsize;
+ EFI_FILE_INFO *f;
+ CHAR8 *sections[2] = { (UINT8 *)".osrel", NULL };
+ UINTN offs[1] = {};
+ UINTN szs[1] = {};
+ UINTN addrs[1] = {};
+ CHAR8 *content = NULL;
+ UINTN len;
+ CHAR8 *line;
+ UINTN pos = 0;
+ CHAR8 *key, *value;
+ CHAR16 *os_name = NULL;
+ CHAR16 *os_id = NULL;
+ CHAR16 *os_version = NULL;
+
+ bufsize = sizeof(buf);
+ err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
+ if (bufsize == 0 || EFI_ERROR(err))
+ break;
+
+ f = (EFI_FILE_INFO *) buf;
+ if (f->FileName[0] == '.')
+ continue;
+ if (f->Attribute & EFI_FILE_DIRECTORY)
+ continue;
+ len = StrLen(f->FileName);
+ if (len < 5)
+ continue;
+ if (StriCmp(f->FileName + len - 4, L".efi") != 0)
+ continue;
+
+ /* look for an .osrel section in the .efi binary */
+ err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
+ if (EFI_ERROR(err))
+ continue;
+
+ len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
+ if (len <= 0)
+ continue;
+
+ /* read properties from the embedded os-release file */
+ line = content;
+ while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
+ if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
+ os_name = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"ID", key) == 0) {
+ os_id = stra_to_str(value);
+ continue;
+ }
+
+ if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
+ os_version = stra_to_str(value);
+ continue;
+ }
+ }
+
+ if (os_name && os_id && os_version) {
+ CHAR16 *conf;
+ CHAR16 *path;
+
+ conf = PoolPrint(L"%s-%s", os_id, os_version);
+ path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
+ config_entry_add_loader(config, loaded_image->DeviceHandle, conf, 'l', os_name, path);
+ FreePool(conf);
+ FreePool(path);
+ FreePool(os_name);
+ FreePool(os_id);
+ FreePool(os_version);
+ }
+
+ FreePool(content);
+ }
+ uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
+ }
+}
+
+static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
EFI_HANDLE image;
EFI_DEVICE_PATH *path;
CHAR16 *options;
+ EFI_STATUS err;
path = FileDevicePath(entry->device, entry->loader);
if (!path) {
@@ -1796,6 +1892,7 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
return EFI_LOAD_ERROR;
}
+
/* the filesystem path to this image, to prevent adding ourselves to the menu */
loaded_image_path = DevicePathToStr(loaded_image->FilePath);
efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
@@ -1814,6 +1911,7 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
}
/* if we find some well-known loaders, add them to the end of the list */
+ config_entry_add_linux(&config, loaded_image, root_dir);
config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 16:07:57 +0000