Disk: add --disk-show-readonly

Author: CarterLi

doc/json_schema.json

@@ -884,6 +884,11 @@
                                         "title": "Set if subvolumes should be printed",
                                         "default": false
                                     },
+                                    "showReadOnly": {
+                                        "type": "boolean",
+                                        "title": "Set if read only volumes should be printed",
+                                        "default": false
+                                    },
                                     "showUnknown": {
                                         "type": "boolean",
                                         "title": "Set if unknown (unable to detect sizes) volumes should be printed",

src/data/help.txt

@@ -129,6 +129,7 @@ Module specific options:
     --disk-show-external <?value>:           Set if external volume should be printed. Default is true
     --disk-show-hidden <?value>:             Set if hidden volumes should be printed. Default is false
     --disk-show-subvolumes <?value>:         Set if subvolumes should be printed. Default is false
+    --disk-show-readonly <?value>:           Set if read only volumes should be printed. Default is false
     --disk-show-unknown <?value>:            Set if unknown (unable to detect sizes) volumes should be printed. Default is false
     --disk-use-available <?value>:           Use f_bavail (lpFreeBytesAvailableToCaller for Windows) instead of f_bfree to calculate used bytes. Default is false
     --bluetooth-show-disconnected: <?value>: Set if disconnected bluetooth devices should be printed. Default is false

src/detection/disk/disk_bsd.c

@@ -55,6 +55,9 @@ const char* ffDetectDisksImpl(FFlist* disks)
         ffStrbufInitS(&disk->mountpoint, fs->f_mntonname);
         ffStrbufInitS(&disk->filesystem, fs->f_fstypename);
         detectFsInfo(fs, disk);
+
+        if(fs->f_flags & MNT_EXRDONLY)
+            disk->type |= FF_DISK_VOLUME_TYPE_READONLY_BIT;
     }
 
     return NULL;

src/detection/disk/disk_linux.c

@@ -215,6 +215,9 @@ static void detectStats(FFDisk* disk)
 
     disk->filesTotal = (uint32_t) fs.f_files;
     disk->filesUsed = (uint32_t) (disk->filesTotal - fs.f_ffree);
+
+    if(fs.f_flag & ST_RDONLY)
+        disk->type |= FF_DISK_VOLUME_TYPE_READONLY_BIT;
 }
 
 const char* ffDetectDisksImpl(FFlist* disks)

src/detection/disk/disk_windows.c

@@ -52,11 +52,12 @@ const char* ffDetectDisksImpl(FFlist* disks)
         //https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getvolumeinformationa#remarks
         UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS);
 
+        DWORD diskFlags;
         BOOL result = GetVolumeInformationW(mountpoint,
             diskName, sizeof(diskName) / sizeof(*diskName), //Volume name
             NULL, //Serial number
             NULL, //Max component length
-            NULL, //File system flags
+            &diskFlags, //File system flags
             diskFileSystem, sizeof(diskFileSystem) / sizeof(*diskFileSystem)
         );
         SetErrorMode(errorMode);
@@ -65,6 +66,8 @@ const char* ffDetectDisksImpl(FFlist* disks)
         {
             ffStrbufSetWS(&disk->filesystem, diskFileSystem);
             ffStrbufSetWS(&disk->name, diskName);
+            if(diskFlags & FILE_READ_ONLY_VOLUME)
+                disk->type |= FF_DISK_VOLUME_TYPE_READONLY_BIT;
         }
 
         //Unsupported

src/modules/disk/disk.c

@@ -100,6 +100,7 @@ static void printDisk(FFDiskOptions* options, const FFDisk* disk)
 
         bool isExternal = !!(disk->type & FF_DISK_VOLUME_TYPE_EXTERNAL_BIT);
         bool isHidden = !!(disk->type & FF_DISK_VOLUME_TYPE_HIDDEN_BIT);
+        bool isReadOnly = !!(disk->type & FF_DISK_VOLUME_TYPE_READONLY_BIT);
         ffPrintFormatString(key.chars, 0, &options->moduleArgs, FF_PRINT_TYPE_NO_CUSTOM_KEY, FF_DISK_NUM_FORMAT_ARGS, (FFformatarg[]){
             {FF_FORMAT_ARG_TYPE_STRBUF, &usedPretty},
             {FF_FORMAT_ARG_TYPE_STRBUF, &totalPretty},
@@ -110,7 +111,8 @@ static void printDisk(FFDiskOptions* options, const FFDisk* disk)
             {FF_FORMAT_ARG_TYPE_BOOL, &isExternal},
             {FF_FORMAT_ARG_TYPE_BOOL, &isHidden},
             {FF_FORMAT_ARG_TYPE_STRBUF, &disk->filesystem},
-            {FF_FORMAT_ARG_TYPE_STRBUF, &disk->name}
+            {FF_FORMAT_ARG_TYPE_STRBUF, &disk->name},
+            {FF_FORMAT_ARG_TYPE_BOOL, &isReadOnly},
         });
     }
 }
@@ -156,7 +158,7 @@ static void printAutodetected(FFDiskOptions* options, const FFlist* disks)
 {
     FF_LIST_FOR_EACH(FFDisk, disk, *disks)
     {
-        if(!(disk->type & options->showTypes))
+        if(disk->type & ~options->showTypes)
             continue;
 
         printDisk(options, disk);
@@ -194,7 +196,7 @@ void ffInitDiskOptions(FFDiskOptions* options)
     ffOptionInitModuleArg(&options->moduleArgs);
 
     ffStrbufInit(&options->folders);
-    options->showTypes = FF_DISK_VOLUME_TYPE_REGULAR_BIT | FF_DISK_VOLUME_TYPE_EXTERNAL_BIT;
+    options->showTypes = FF_DISK_VOLUME_TYPE_REGULAR_BIT | FF_DISK_VOLUME_TYPE_EXTERNAL_BIT | FF_DISK_VOLUME_TYPE_READONLY_BIT;
     options->calcType = FF_DISK_CALC_TYPE_FREE;
 }
 
@@ -247,6 +249,15 @@ bool ffParseDiskCommandOptions(FFDiskOptions* options, const char* key, const ch
         return true;
     }
 
+    if (ffStrEqualsIgnCase(subKey, "show-readonly"))
+    {
+        if (ffOptionParseBoolean(value))
+            options->showTypes |= FF_DISK_VOLUME_TYPE_READONLY_BIT;
+        else
+            options->showTypes &= ~FF_DISK_VOLUME_TYPE_READONLY_BIT;
+        return true;
+    }
+
     if (ffStrEqualsIgnCase(subKey, "show-unknown"))
     {
         if (ffOptionParseBoolean(value))
@@ -319,6 +330,15 @@ void ffParseDiskJsonObject(FFDiskOptions* options, yyjson_val* module)
             continue;
         }
 
+        if (ffStrEqualsIgnCase(key, "showReadOnly"))
+        {
+            if (yyjson_get_bool(val))
+                options->showTypes |= FF_DISK_VOLUME_TYPE_READONLY_BIT;
+            else
+                options->showTypes &= ~FF_DISK_VOLUME_TYPE_READONLY_BIT;
+            continue;
+        }
+
         if (ffStrEqualsIgnCase(key, "showUnknown"))
         {
             if (yyjson_get_bool(val))

src/modules/disk/option.h

@@ -12,6 +12,7 @@ typedef enum FFDiskVolumeType
     FF_DISK_VOLUME_TYPE_EXTERNAL_BIT = 1 << 2,
     FF_DISK_VOLUME_TYPE_SUBVOLUME_BIT = 1 << 3,
     FF_DISK_VOLUME_TYPE_UNKNOWN_BIT = 1 << 4,
+    FF_DISK_VOLUME_TYPE_READONLY_BIT = 1 << 5,
 } FFDiskVolumeType;
 
 typedef enum FFDiskCalcType