1.0.67 release

support to browse and boot files in local disk.

GRUB2/MOD_SRC/grub-2.04/grub-core/Makefile.core.def

@@ -1610,6 +1610,7 @@ module = {
   common = ventoy/ventoy_vhd.c;
   common = ventoy/ventoy_plugin.c;
   common = ventoy/ventoy_json.c;
+  common = ventoy/ventoy_browser.c;
   common = ventoy/lzx.c;
   common = ventoy/xpress.c;
   common = ventoy/huffman.c;

GRUB2/MOD_SRC/grub-2.04/grub-core/kern/file.c

@@ -114,6 +114,7 @@ typedef struct grub_vlnk
     struct grub_vlnk *next;
 }grub_vlnk;
 
+static grub_vlnk g_vtoy_vlnk;
 static grub_vlnk *g_vlnk_list;
 
 int grub_file_is_vlnk_suffix(const char *name, int len)
@@ -146,6 +147,23 @@ int grub_file_is_vlnk_suffix(const char *name, int len)
     return 0;
 }
 
+int grub_file_vtoy_vlnk(const char *src, const char *dst)
+{
+    if (src)
+    {
+        g_vtoy_vlnk.srclen = (int)grub_strlen(src);
+        grub_strncpy(g_vtoy_vlnk.src, src, sizeof(g_vtoy_vlnk.src) - 1);
+        grub_strncpy(g_vtoy_vlnk.dst, dst, sizeof(g_vtoy_vlnk.dst) - 1);        
+    }
+    else
+    {
+        g_vtoy_vlnk.srclen = 0;
+        g_vtoy_vlnk.src[0] = 0;
+        g_vtoy_vlnk.dst[0] = 0;
+    }
+    return 0;
+}
+
 int grub_file_add_vlnk(const char *src, const char *dst)
 {
     grub_vlnk *node = NULL;
@@ -174,10 +192,17 @@ const char *grub_file_get_vlnk(const char *name, int *vlnk)
     grub_vlnk *node = g_vlnk_list;
 
     len = grub_strlen(name);
+
     if (!grub_file_is_vlnk_suffix(name, len))
     {
         return name;
     }
+
+    if (len == g_vtoy_vlnk.srclen && grub_strcmp(name, g_vtoy_vlnk.src) == 0)
+    {
+        *vlnk = 1;
+        return g_vtoy_vlnk.dst; 
+    }
     
     while (node)
     {
@@ -207,7 +232,7 @@ grub_file_open (const char *name, enum grub_file_type type)
       return grub_memfile_open(name);
   }
 
-  if (g_vlnk_list && (type & GRUB_FILE_TYPE_NO_VLNK) == 0)
+  if ((g_vlnk_list || g_vtoy_vlnk.srclen) && (type & GRUB_FILE_TYPE_NO_VLNK) == 0)
     name = grub_file_get_vlnk(name, &vlnk);
 
   device_name = grub_file_get_device_name (name);

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_browser.c

@@ -0,0 +1,500 @@
+/******************************************************************************
+ * ventoy_browser.c 
+ *
+ * Copyright (c) 2022, longpanda <admin@ventoy.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <grub/types.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/err.h>
+#include <grub/dl.h>
+#include <grub/disk.h>
+#include <grub/device.h>
+#include <grub/term.h>
+#include <grub/partition.h>
+#include <grub/file.h>
+#include <grub/normal.h>
+#include <grub/extcmd.h>
+#include <grub/datetime.h>
+#include <grub/i18n.h>
+#include <grub/net.h>
+#include <grub/time.h>
+#include <grub/ventoy.h>
+#include "ventoy_def.h"
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#define BROWSER_MENU_BUF    65536
+
+static grub_fs_t g_menu_fs = NULL;
+static char *g_menu_device = NULL;
+static char g_menu_path_buf[1024];
+static int g_menu_path_len = 0;
+static browser_node *g_browser_list = NULL;
+
+static int ventoy_browser_strcmp(char *str1, char *str2)
+{
+    char *s1, *s2;
+    int c1 = 0;
+    int c2 = 0;
+
+    for (s1 = str1, s2 = str2; *s1 && *s2; s1++, s2++)
+    {
+        c1 = *s1;
+        c2 = *s2;
+
+        if (0 == g_sort_case_sensitive)
+        {
+            if (grub_islower(c1))
+            {
+                c1 = c1 - 'a' + 'A';
+            }
+            
+            if (grub_islower(c2))
+            {
+                c2 = c2 - 'a' + 'A';
+            }
+        }
+
+        if (c1 != c2)
+        {
+            break;
+        }
+    }
+
+    return (c1 - c2);
+}
+
+static int ventoy_browser_mbuf_alloc(browser_mbuf *mbuf)
+{
+    grub_memset(mbuf, 0, sizeof(browser_mbuf));
+    mbuf->buf = grub_malloc(BROWSER_MENU_BUF);
+    if (!mbuf->buf)
+    {
+        return 0;
+    }
+
+    mbuf->pos = 0;
+    mbuf->max = BROWSER_MENU_BUF;
+    return 1;
+}
+
+static void ventoy_browser_mbuf_free(browser_mbuf *mbuf)
+{
+    if (mbuf)
+        grub_check_free(mbuf->buf)
+}
+
+static int ventoy_browser_mbuf_extend(browser_mbuf *mbuf)
+{
+    if (mbuf->max - mbuf->pos <= VTOY_SIZE_1KB)
+    {
+        mbuf->max += BROWSER_MENU_BUF;
+        mbuf->buf = grub_realloc(mbuf->buf, mbuf->max);
+    }
+
+    return 0;
+}
+
+static browser_node * ventoy_browser_find_top_node(int dir)
+{
+    browser_node *node = NULL;
+    browser_node *sel = NULL;
+
+    for (node = g_browser_list; node; node = node->next)
+    {
+        if (node->dir == dir)
+        {
+            if (sel)
+            {
+                if (ventoy_browser_strcmp(sel->filename, node->filename) > 0)
+                {
+                    sel = node;
+                }
+            }
+            else
+            {
+                sel = node;
+            }
+        }
+    }
+    
+    return sel;
+}
+
+static int ventoy_browser_check_filename(const char *filename, int len, int *type)
+{
+    if (len < 4)
+    {
+        return 0;
+    }
+
+    if (FILE_FLT(ISO) && 0 == grub_strcasecmp(filename + len - 4, ".iso"))
+    {
+        *type = img_type_iso;
+    }
+    else if (FILE_FLT(WIM) && g_wimboot_enable && (0 == grub_strcasecmp(filename + len - 4, ".wim")))
+    {
+        *type = img_type_wim;
+    }
+    else if (FILE_FLT(VHD) && g_vhdboot_enable && (0 == grub_strcasecmp(filename + len - 4, ".vhd") || 
+            (len >= 5 && 0 == grub_strcasecmp(filename + len - 5, ".vhdx"))))
+    {
+        *type = img_type_vhd;
+    }
+    #ifdef GRUB_MACHINE_EFI
+    else if (FILE_FLT(EFI) && 0 == grub_strcasecmp(filename + len - 4, ".efi"))
+    {
+        *type = img_type_efi;
+    }
+    #endif
+    else if (FILE_FLT(IMG) && 0 == grub_strcasecmp(filename + len - 4, ".img"))
+    {
+        if (len == 18 && grub_strncmp(filename, "ventoy_", 7) == 0)
+        {
+            if (grub_strncmp(filename + 7, "wimboot", 7) == 0 ||
+                grub_strncmp(filename + 7, "vhdboot", 7) == 0)
+            {
+                return 0;
+            }
+        }
+        *type = img_type_img;
+    }
+    else if (FILE_FLT(VTOY) && len >= 5 && 0 == grub_strcasecmp(filename + len - 5, ".vtoy"))
+    {
+        *type = img_type_vtoy;
+    }
+    else
+    {
+        return 0;
+    }
+
+    if (g_filt_dot_underscore_file && filename[0] == '.' && filename[1] == '_')
+    {
+        return 0;
+    }
+
+    return 1;
+}
+
+
+static int ventoy_browser_iterate_partition(struct grub_disk *disk, const grub_partition_t partition, void *data)
+{
+    char partname[64];
+    char title[256];
+    grub_device_t dev;
+    grub_fs_t fs;
+    char *Label = NULL;
+    browser_mbuf *mbuf = (browser_mbuf *)data;
+
+    (void)data;
+    
+    grub_snprintf(partname, sizeof(partname) - 1, "%s,%d", disk->name, partition->number + 1);
+
+    dev = grub_device_open(partname);
+    if (!dev)
+    {
+        return 0;
+    }
+
+    fs = grub_fs_probe(dev);
+    if (!fs)
+    {
+        grub_device_close(dev);
+        return 0;
+    }
+
+    fs->fs_label(dev, &Label);
+
+    grub_snprintf(title, sizeof(title), "%-10s (%s,%s%d) [%s] %s %s", 
+        "DISK", disk->name, partition->msdostype == 0xee ? "gpt" : "msdos", 
+        partition->number + 1, (Label ? Label : ""), fs->name, 
+        grub_get_human_size(partition->len << disk->log_sector_size, GRUB_HUMAN_SIZE_SHORT));
+
+    if (ventoy_get_fs_type(fs->name) >= ventoy_fs_max)
+    {
+        browser_ssprintf(mbuf, "menuentry \"%s\" --class=vtoydisk {\n"
+            "   echo \"unsupported file system type!\" \n"
+            "   ventoy_pause\n"
+            "}\n",
+            title);
+    }
+    else
+    {
+        browser_ssprintf(mbuf, "menuentry \"%s\" --class=vtoydisk {\n"
+            "  vt_browser_dir %s,%d 0x%lx /\n"
+            "}\n",
+            title, disk->name, partition->number + 1, (ulong)fs);
+    }
+
+    ventoy_browser_mbuf_extend(mbuf);
+
+    return 0;
+}
+
+
+static int ventoy_browser_iterate_disk(const char *name, void *data)
+{
+    grub_disk_t disk;
+    grub_uint32_t sig;
+    grub_uint32_t selfsig;
+
+    grub_memcpy(&selfsig, g_ventoy_part_info->MBR.BootCode + 0x1b8, 4);
+
+    if (name[0] != 'h')
+    {
+        return 0;
+    }
+
+    disk = grub_disk_open(name);
+    if (disk)
+    {
+        grub_disk_read(disk, 0, 0x1b8, 4, &sig);
+
+        /* skip ventoy device self */
+        if (sig != selfsig)
+        {
+            grub_partition_iterate(disk, ventoy_browser_iterate_partition, data);
+        }
+        
+        grub_disk_close(disk);
+    }
+
+    return 0;
+}
+
+static int ventoy_browser_iterate_dir(const char *filename, const struct grub_dirhook_info *info, void *data)
+{
+    int type;
+    int len;
+    browser_node *node;
+
+    (void)data;
+
+    len = grub_strlen(filename);
+    
+    if (info->dir)
+    {
+        if ((len == 1 && filename[0] == '.') ||
+            (len == 2 && filename[0] == '.' && filename[1] == '.'))
+        {
+            return 0;
+        }
+
+        if (!ventoy_img_name_valid(filename, len))
+        {
+            return 0;
+        }
+
+        if (filename[0] == '$')
+        {
+            if (0 == grub_strncmp(filename, "$RECYCLE.BIN", 12) ||
+                0 == grub_strncasecmp(filename, "$Extend", 7))
+            {
+                return 0;
+            }
+        }
+
+        node = grub_zalloc(sizeof(browser_node));
+        if (!node)
+        {
+            return 0;
+        }
+
+        node->dir = 1;
+        grub_strncpy(node->filename, filename, sizeof(node->filename));
+        grub_snprintf(node->menuentry, sizeof(node->menuentry),
+            "menuentry \"%-10s [%s]\" --class=vtoydir {\n"
+            "  vt_browser_dir %s 0x%lx \"%s/%s\"\n"
+            "}\n",
+            "DIR", filename, g_menu_device, (ulong)g_menu_fs, g_menu_path_buf, filename);
+    }
+    else
+    {
+        grub_uint64_t fsize;
+        grub_file_t file = NULL;
+        
+        if (ventoy_browser_check_filename(filename, len, &type) == 0)
+        {
+            return 0;
+        }
+
+        fsize = info->size;
+        if (fsize == 0)
+        {
+            file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "(%s)%s/%s", g_menu_device, g_menu_path_buf, filename);
+            if (!file)
+            {
+                return 0;
+            }
+
+            fsize = file->size;
+            grub_file_close(file);
+        }
+
+        if (fsize < VTOY_FILT_MIN_FILE_SIZE)
+        {
+            return 0;
+        }
+
+        node = grub_zalloc(sizeof(browser_node));
+        if (!node)
+        {
+            return 0;
+        }
+
+        node->dir = 0;
+        grub_strncpy(node->filename, filename, sizeof(node->filename));
+        grub_snprintf(node->menuentry, sizeof(node->menuentry),
+            "menuentry \"%-10s %s\" --class=%s {\n"
+            "  vt_set_fake_vlnk \"(%s)%s/%s\" %s %llu\n"
+            "  %s_common_menuentry\n"
+            "  vt_reset_fake_vlnk\n"
+            "}\n",
+            grub_get_human_size(fsize, GRUB_HUMAN_SIZE_SHORT), filename, g_menu_class[type],
+            g_menu_device, g_menu_path_buf, filename, g_menu_prefix[type], (ulonglong)fsize,
+            g_menu_prefix[type]);
+
+    }
+
+    node->prev = NULL;
+    node->next = g_browser_list;
+    if (g_browser_list)
+    {
+        g_browser_list->prev = node;
+    }
+    g_browser_list = node;
+
+    return 0;
+}
+
+grub_err_t ventoy_cmd_browser_dir(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int i;
+    grub_fs_t fs;
+    grub_device_t dev;
+    char cfgfile[64];
+    browser_node *node;
+    browser_mbuf mbuf;
+
+    (void)ctxt;
+    (void)argc;
+
+    if (!ventoy_browser_mbuf_alloc(&mbuf))
+    {
+        return 1;
+    }
+
+    fs = (grub_fs_t)grub_strtoul(args[1], NULL, 16);
+    if (!fs)
+    {
+        debug("Invalid fs %s\n", args[1]);
+        return 1;
+    }
+    
+    dev = grub_device_open(args[0]);
+    if (!dev)
+    {
+        debug("Failed to open device %s\n", args[0]);
+        return 1;
+    }
+    
+    g_menu_fs = fs;
+    g_menu_device = args[0];
+    g_browser_list = NULL;
+
+    if (args[2][0] == '/' && args[2][1] == 0)
+    {
+        g_menu_path_len = 0;
+        g_menu_path_buf[0] = 0;
+        fs->fs_dir(dev, "/", ventoy_browser_iterate_dir, NULL);            
+    }
+    else
+    {
+        g_menu_path_len = grub_snprintf(g_menu_path_buf, sizeof(g_menu_path_buf), "%s", args[2]);
+        fs->fs_dir(dev, g_menu_path_buf, ventoy_browser_iterate_dir, NULL); 
+    }
+    grub_device_close(dev);
+
+    browser_ssprintf(&mbuf, "menuentry \"%-10s [../]\" --class=\"vtoyret\" VTOY_RET {\n  "
+                     "  echo 'return ...' \n}\n", "<--");
+
+    for (i = 1; i >= 0; i--)
+    {
+        while (1)
+        {
+            node = ventoy_browser_find_top_node(i);
+            if (node)
+            {
+                grub_printf("Find Node <%s>\n", node->filename);
+                browser_ssprintf(&mbuf, "%s", node->menuentry);
+                if (node->prev)
+                {
+                    node->prev->next = node->next;
+                }
+                if (node->next)
+                {
+                    node->next->prev = node->prev;
+                }
+
+                if (node == g_browser_list)
+                {
+                    g_browser_list = node->next;
+                }
+                grub_free(node);
+            }
+            else
+            {
+                break;
+            }
+        }
+    }
+    g_browser_list = NULL;
+    
+    grub_snprintf(cfgfile, sizeof(cfgfile), "configfile mem:0x%lx:size:%d", (ulong)mbuf.buf, mbuf.pos);
+    grub_script_execute_sourcecode(cfgfile);
+
+    ventoy_browser_mbuf_free(&mbuf);
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
+grub_err_t ventoy_cmd_browser_disk(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    char cfgfile[64];
+    browser_mbuf mbuf;
+    
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    if (!ventoy_browser_mbuf_alloc(&mbuf))
+    {
+        return 1;
+    }
+
+    browser_ssprintf(&mbuf, "menuentry \"%-10s [Return]\" --class=\"vtoyret\" VTOY_RET {\n  "
+                     "  echo 'return ...' \n}\n", "<--");
+
+    grub_disk_dev_iterate(ventoy_browser_iterate_disk, &mbuf);
+
+    grub_snprintf(cfgfile, sizeof(cfgfile), "configfile mem:0x%lx:size:%d", (ulong)mbuf.buf, mbuf.pos);
+    grub_script_execute_sourcecode(cfgfile);
+
+    ventoy_browser_mbuf_free(&mbuf);
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_cmd.c

@@ -134,14 +134,14 @@ static ventoy_video_mode *g_video_mode_list = NULL;
 static int g_enumerate_time_checked = 0;
 static grub_uint64_t g_enumerate_start_time_ms;
 static grub_uint64_t g_enumerate_finish_time_ms;
-static int g_vtoy_file_flt[VTOY_FILE_FLT_BUTT] = {0};
+int g_vtoy_file_flt[VTOY_FILE_FLT_BUTT] = {0};
 
 static int g_pager_flag = 0;
 static char g_old_pager[32];
 
 static const char *g_vtoy_winpeshl_ini = "[LaunchApps]\r\nvtoyjump.exe";
 
-static const char *g_menu_class[] = 
+const char *g_menu_class[img_type_max] = 
 {
     "vtoyiso", "vtoywim", "vtoyefi", "vtoyimg", "vtoyvhd", "vtoyvtoy"
 };
@@ -158,7 +158,7 @@ static char g_json_case_mis_path[32];
 
 static ventoy_vlnk_part *g_vlnk_part_list = NULL;
 
-static int ventoy_get_fs_type(const char *fs)
+int ventoy_get_fs_type(const char *fs)
 {
     if (NULL == fs)
     {
@@ -686,10 +686,10 @@ grub_file_t ventoy_grub_file_open(enum grub_file_type type, const char *fmt, ...
 {
     va_list ap;
     grub_file_t file;
-    char fullpath[256] = {0};
+    char fullpath[512] = {0};
 
     va_start (ap, fmt);
-    grub_vsnprintf(fullpath, 255, fmt, ap);
+    grub_vsnprintf(fullpath, 511, fmt, ap);
     va_end (ap);
 
     file = grub_file_open(fullpath, type);
@@ -707,13 +707,13 @@ int ventoy_is_dir_exist(const char *fmt, ...)
     va_list ap;
     int len;
     char *pos = NULL;
-    char buf[256] = {0};
+    char buf[512] = {0};
 
     grub_snprintf(buf, sizeof(buf), "%s", "[ -d \"");
     pos = buf + 6;
 
     va_start (ap, fmt);
-    len = grub_vsnprintf(pos, 255, fmt, ap);
+    len = grub_vsnprintf(pos, 511, fmt, ap);
     va_end (ap);
 
     grub_strncpy(pos + len, "\" ]", 3);
@@ -1582,7 +1582,7 @@ void ventoy_swap_img(img_info *img1, img_info *img2)
     grub_memcpy(img2, &g_img_swap_tmp, sizeof(img_info));
 }
 
-static int ventoy_img_name_valid(const char *filename, grub_size_t namelen)
+int ventoy_img_name_valid(const char *filename, grub_size_t namelen)
 {
     (void)namelen;
     
@@ -2564,6 +2564,40 @@ static grub_err_t ventoy_cmd_ext_select_img_path(grub_extcmd_context_t ctxt, int
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+static char g_fake_vlnk_src[512];
+static char g_fake_vlnk_dst[512];
+static grub_uint64_t g_fake_vlnk_size;
+static grub_err_t ventoy_cmd_set_fake_vlnk(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    g_fake_vlnk_size = (grub_uint64_t)grub_strtoull(args[2], NULL, 10);
+
+    grub_strncpy(g_fake_vlnk_dst, args[0], sizeof(g_fake_vlnk_dst));
+    grub_snprintf(g_fake_vlnk_src, sizeof(g_fake_vlnk_src), "%s/________VENTOYVLNK.vlnk.%s", g_iso_path, args[1]);
+
+    grub_file_vtoy_vlnk(g_fake_vlnk_src, g_fake_vlnk_dst);
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
+static grub_err_t ventoy_cmd_reset_fake_vlnk(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    g_fake_vlnk_src[0] = 0;
+    g_fake_vlnk_dst[0] = 0;
+    g_fake_vlnk_size = 0;
+    grub_file_vtoy_vlnk(NULL, NULL);
+    
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
+
 static grub_err_t ventoy_cmd_chosen_img_path(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     char value[32];
@@ -2578,6 +2612,18 @@ static grub_err_t ventoy_cmd_chosen_img_path(grub_extcmd_context_t ctxt, int arg
         return grub_error(GRUB_ERR_BAD_ARGUMENT, "Usage: %s {var}", cmd_raw_name);
     }
 
+    if (g_fake_vlnk_src[0] && g_fake_vlnk_dst[0])
+    {
+        grub_env_set(args[0], grub_strchr(g_fake_vlnk_src, '/'));
+        if (argc > 1)
+        {
+            grub_snprintf(value, sizeof(value), "%llu", (ulonglong)(g_fake_vlnk_size));
+            grub_env_set(args[1], value);        
+        }
+
+        goto end;
+    }
+
     id = grub_env_get("chosen");
 
     pos = grub_strstr(id, "VID_");
@@ -2603,6 +2649,7 @@ static grub_err_t ventoy_cmd_chosen_img_path(grub_extcmd_context_t ctxt, int arg
         grub_env_set(args[1], value);        
     }
 
+end:
     g_svd_replace_offset = 0;
 
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
@@ -5468,6 +5515,8 @@ int ventoy_env_init(void)
 
 static cmd_para ventoy_cmds[] = 
 {
+    { "vt_browser_disk",  ventoy_cmd_browser_disk,  0, NULL, "",   "",    NULL },
+    { "vt_browser_dir",  ventoy_cmd_browser_dir,  0, NULL, "",   "",    NULL },
     { "vt_incr",  ventoy_cmd_incr,  0, NULL, "{Var} {INT}",   "Increase integer variable",    NULL },
     { "vt_mod",  ventoy_cmd_mod,  0, NULL, "{Int} {Int} {Var}",   "mod integer variable",    NULL },
     { "vt_strstr",  ventoy_cmd_strstr,  0, NULL, "",   "",    NULL },
@@ -5608,6 +5657,8 @@ static cmd_para ventoy_cmds[] =
     { "vt_vlnk_dump_part", grub_cmd_vlnk_dump_part, 0, NULL, "", "", NULL },
     { "vt_is_vlnk_name", grub_cmd_is_vlnk_name, 0, NULL, "", "", NULL },
     { "vt_get_vlnk_dst", grub_cmd_get_vlnk_dst, 0, NULL, "", "", NULL },
+    { "vt_set_fake_vlnk", ventoy_cmd_set_fake_vlnk, 0, NULL, "", "", NULL },
+    { "vt_reset_fake_vlnk", ventoy_cmd_reset_fake_vlnk, 0, NULL, "", "", NULL },
 };
 
 int ventoy_register_all_cmd(void)

GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h

@@ -35,6 +35,7 @@
 #define VTOY_SIZE_4MB     (4 * 1024 * 1024)
 #define VTOY_SIZE_512KB   (512 * 1024)
 #define VTOY_SIZE_1KB     1024
+#define VTOY_SIZE_32KB    (32 * 1024)
 
 #define JSON_SUCCESS    0
 #define JSON_FAILED     1
@@ -315,6 +316,9 @@ void ventoy_debug(const char *fmt, ...);
 #define vtoy_ssprintf(buf, pos, fmt, ...) \
     pos += grub_snprintf(buf + pos, VTOY_MAX_SCRIPT_BUF - pos, fmt, __VA_ARGS__)
 
+#define browser_ssprintf(mbuf, fmt, args...) \
+    (mbuf)->pos += grub_snprintf((mbuf)->buf + (mbuf)->pos, (mbuf)->max - (mbuf)->pos, fmt, ##args)
+
 #define FLAG_HEADER_RESERVED          0x00000001
 #define FLAG_HEADER_COMPRESSION       0x00000002
 #define FLAG_HEADER_READONLY          0x00000004
@@ -1166,8 +1170,34 @@ typedef struct ventoy_vlnk_part
     struct ventoy_vlnk_part *next;
 }ventoy_vlnk_part;
 
+
+typedef struct browser_mbuf
+{
+    int max;
+    int pos;
+    char *buf;
+}browser_mbuf;
+
+typedef struct browser_node
+{
+    int  dir;
+    char menuentry[1024];
+    char filename[512];
+    struct browser_node *prev;
+    struct browser_node *next;
+}browser_node;
+
+extern int g_sort_case_sensitive;
+extern int g_wimboot_enable;
+extern int g_filt_dot_underscore_file;
+extern int g_vtoy_file_flt[VTOY_FILE_FLT_BUTT];
+extern const char *g_menu_class[img_type_max];
 extern char g_iso_path[256];
 int ventoy_add_vlnk_file(char *dir, const char *name);
+grub_err_t ventoy_cmd_browser_dir(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_browser_disk(grub_extcmd_context_t ctxt, int argc, char **args);
+int ventoy_get_fs_type(const char *fs);
+int ventoy_img_name_valid(const char *filename, grub_size_t namelen);
 
 #endif /* __VENTOY_DEF_H__ */