Support Easy Recovery Essentials (#1481)

This commit is contained in:
longpanda 2022-03-06 19:31:18 +08:00
parent f7fac26c91
commit ff14c07c4e
8 changed files with 135 additions and 10 deletions

View file

@ -5713,6 +5713,7 @@ static cmd_para ventoy_cmds[] =
{ "vt_unix_parse_freebsd_ver_elf", ventoy_cmd_unix_freebsd_ver_elf, 0, NULL, "", "", NULL },
{ "vt_unix_reset", ventoy_cmd_unix_reset, 0, NULL, "", "", NULL },
{ "vt_unix_replace_conf", ventoy_cmd_unix_replace_conf, 0, NULL, "", "", NULL },
{ "vt_unix_replace_grub_conf", ventoy_cmd_unix_replace_grub_conf, 0, NULL, "", "", NULL },
{ "vt_unix_replace_ko", ventoy_cmd_unix_replace_ko, 0, NULL, "", "", NULL },
{ "vt_unix_ko_fillmap", ventoy_cmd_unix_ko_fillmap, 0, NULL, "", "", NULL },
{ "vt_unix_fill_image_desc", ventoy_cmd_unix_fill_image_desc, 0, NULL, "", "", NULL },

View file

@ -1094,6 +1094,7 @@ grub_err_t ventoy_cmd_unix_chain_data(grub_extcmd_context_t ctxt, int argc, char
int ventoy_get_disk_guid(const char *filename, grub_uint8_t *guid, grub_uint8_t *signature);
grub_err_t ventoy_cmd_unix_reset(grub_extcmd_context_t ctxt, int argc, char **args);
grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, char **args);
grub_err_t ventoy_cmd_unix_replace_grub_conf(grub_extcmd_context_t ctxt, int argc, char **args);
grub_err_t ventoy_cmd_unix_replace_ko(grub_extcmd_context_t ctxt, int argc, char **args);
grub_err_t ventoy_cmd_unix_ko_fillmap(grub_extcmd_context_t ctxt, int argc, char **args);
grub_err_t ventoy_cmd_unix_fill_image_desc(grub_extcmd_context_t ctxt, int argc, char **args);

View file

@ -273,7 +273,7 @@ static void ventoy_unix_fill_virt_data( grub_uint64_t isosize, ventoy_chain_h
return;
}
static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
static int ventoy_freebsd_append_conf(char *buf, const char *isopath, const char *alias)
{
int pos = 0;
grub_uint32_t i;
@ -294,6 +294,10 @@ static int ventoy_freebsd_append_conf(char *buf, const char *isopath)
vtoy_ssprintf(buf, pos, "ventoy_load=\"%s\"\n", "YES");
vtoy_ssprintf(buf, pos, "ventoy_name=\"%s\"\n", g_ko_mod_path);
if (alias)
{
vtoy_ssprintf(buf, pos, "hint.ventoy.0.alias=\"%s\"\n", alias);
}
if (g_mod_search_magic)
{
@ -647,6 +651,95 @@ out:
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
grub_err_t ventoy_cmd_unix_replace_grub_conf(grub_extcmd_context_t ctxt, int argc, char **args)
{
int len;
grub_uint32_t i;
char *data;
char *pos;
grub_uint64_t offset;
grub_file_t file;
char extcfg[256];
const char *confile = NULL;
const char * loader_conf[] =
{
"/boot/grub/grub.cfg",
};
(void)ctxt;
if (argc != 1 && argc != 2)
{
debug("Replace conf invalid argc %d\n", argc);
return 1;
}
for (i = 0; i < sizeof(loader_conf) / sizeof(loader_conf[0]); i++)
{
if (ventoy_get_file_override(loader_conf[i], &offset) == 0)
{
confile = loader_conf[i];
g_conf_override_offset = offset;
break;
}
}
if (confile == NULL)
{
debug("Can't find grub.cfg file from %u locations\n", i);
return 1;
}
file = ventoy_grub_file_open(GRUB_FILE_TYPE_LINUX_INITRD, "(loop)/%s", confile);
if (!file)
{
debug("Failed to open %s \n", confile);
return 1;
}
debug("old grub2 conf file size:%d\n", (int)file->size);
data = grub_malloc(VTOY_MAX_SCRIPT_BUF);
if (!data)
{
grub_file_close(file);
return 1;
}
grub_file_read(file, data, file->size);
grub_file_close(file);
g_conf_new_data = data;
g_conf_new_len = (int)file->size;
pos = grub_strstr(data, "kfreebsd /boot/kernel/kernel");
if (pos)
{
pos += grub_strlen("kfreebsd /boot/kernel/kernel");
if (argc == 2)
{
len = grub_snprintf(extcfg, sizeof(extcfg),
";kfreebsd_module_elf %s; set kFreeBSD.hint.ventoy.0.alias=\"%s\"",
args[0], args[1]);
}
else
{
len = grub_snprintf(extcfg, sizeof(extcfg), ";kfreebsd_module_elf %s", args[0]);
}
grub_memmove(pos + len, pos, (int)(file->size - (pos - data)));
grub_memcpy(pos, extcfg, len);
g_conf_new_len += len;
}
else
{
debug("no kfreebsd found\n");
}
VENTOY_CMD_RETURN(GRUB_ERR_NONE);
}
grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, char **args)
{
grub_uint32_t i;
@ -662,7 +755,7 @@ grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, ch
(void)ctxt;
if (argc != 2)
if (argc != 2 && argc != 3)
{
debug("Replace conf invalid argc %d\n", argc);
return 1;
@ -708,7 +801,7 @@ grub_err_t ventoy_cmd_unix_replace_conf(grub_extcmd_context_t ctxt, int argc, ch
if (grub_strcmp(args[0], "FreeBSD") == 0)
{
g_conf_new_len += ventoy_freebsd_append_conf(data + file->size, args[1]);
g_conf_new_len += ventoy_freebsd_append_conf(data + file->size, args[1], (argc > 2) ? args[2] : NULL);
}
else if (grub_strcmp(args[0], "DragonFly") == 0)
{