util-file: introduce new functions for file size

This patch introduces the FileDataSize and FileTrackedSize functions.
The first one is just a renaming of the initial FilSize function
whereas the other one is using the newly introduced size field as
value.

src/app-layer-htp-file.c

@@ -633,11 +633,11 @@ static int HTPFileParserTest03(void)
     }
 
     if (http_state->files_ts->head == NULL ||
-        FileSize(http_state->files_ts->head) != 11)
+        FileDataSize(http_state->files_ts->head) != 11)
     {
         if (http_state->files_ts->head != NULL)
             printf("filedata len not 11 but %"PRIu64": ",
-                    FileSize(http_state->files_ts->head));
+                    FileDataSize(http_state->files_ts->head));
         goto end;
     }
 

src/app-layer-smtp.c

@@ -371,7 +371,7 @@ static void SMTPPruneFiles(FileContainer *files)
         if (file->sb->stream_offset == 0)
             window = MAX(window, smtp_config.content_inspect_min_size);
 
-        uint64_t file_size = FileSize(file);
+        uint64_t file_size = FileDataSize(file);
         uint64_t data_size = file_size - file->sb->stream_offset;
 
         SCLogDebug("window %"PRIu32", file_size %"PRIu64", data_size %"PRIu64,
@@ -4840,8 +4840,8 @@ static int SMTPParserTest14(void)
             printf("smtp-mime file name is incorrect");
             goto end;
         }
-        if (FileSize(file) != filesize){
+        if (FileTrackedSize(file) != filesize){
-            printf("smtp-mime file size %"PRIu64" is incorrect", FileSize(file));
+            printf("smtp-mime file size %"PRIu64" is incorrect", FileDataSize(file));
             goto end;
         }
         static uint8_t org_binary[] = {
@@ -5127,7 +5127,7 @@ static int SMTPProcessDataChunkTest05(void){
     FAIL_IF(file == NULL);
     ret = SMTPProcessDataChunk((uint8_t *)mimemsg, sizeof(mimemsg), state);
     FAIL_IF(ret != 0);
-    FAIL_IF((uint32_t)FileSize(file) != 106);
+    FAIL_IF((uint32_t)FileDataSize(file) != 106);
     SMTPStateFree(smtp_state);
     FLOW_DESTROY(&f);
     PASS;

src/detect-engine-file.c

@@ -110,7 +110,7 @@ static int DetectFileInspect(ThreadVars *tv, DetectEngineThreadCtx *det_ctx,
                 break;
             }
 
-            uint64_t file_size = FileSize(file);
+            uint64_t file_size = FileDataSize(file);
             if ((s->file_flags & FILE_SIG_NEED_MAGIC) && file_size == 0) {
                 SCLogDebug("sig needs file content, but we don't have any");
                 r = DETECT_ENGINE_INSPECT_SIG_NO_MATCH;

src/detect-engine-filedata-smtp.c

@@ -96,7 +96,7 @@ static const uint8_t *DetectEngineSMTPGetBufferForTX(uint64_t tx_id,
     const uint8_t *buffer = NULL;
     *buffer_len = 0;
     *stream_start_offset = 0;
-    uint64_t file_size = FileSize(curr_file);
+    uint64_t file_size = FileDataSize(curr_file);
 
     if (det_ctx->smtp_buffers_list_len == 0) {
         if (SMTPCreateSpace(det_ctx, 1) < 0)
@@ -160,7 +160,7 @@ static const uint8_t *DetectEngineSMTPGetBufferForTX(uint64_t tx_id,
     det_ctx->smtp[index].offset = curr_file->content_inspected;
 
     /* updat inspected tracker */
-    curr_file->content_inspected = FileSize(curr_file);
+    curr_file->content_inspected = FileDataSize(curr_file);
 
     SCLogDebug("content_inspected %u, offset %u", (uint)curr_file->content_inspected, (uint)det_ctx->smtp[index].offset);
 

src/detect-filemagic.c

@@ -110,7 +110,7 @@ void DetectFilemagicRegister(void)
  */
 int FilemagicGlobalLookup(File *file)
 {
-    if (file == NULL || FileSize(file) == 0) {
+    if (file == NULL || FileDataSize(file) == 0) {
         SCReturnInt(-1);
     }
 
@@ -121,7 +121,7 @@ int FilemagicGlobalLookup(File *file)
     StreamingBufferGetData(file->sb,
                            &data, &data_len, &offset);
     if (offset == 0) {
-        if (FileSize(file) >= FILEMAGIC_MIN_SIZE) {
+        if (FileDataSize(file) >= FILEMAGIC_MIN_SIZE) {
             file->magic = MagicGlobalLookup(data, data_len);
         } else if (file->state >= FILE_STATE_CLOSED) {
             file->magic = MagicGlobalLookup(data, data_len);
@@ -141,7 +141,7 @@ int FilemagicGlobalLookup(File *file)
  */
 int FilemagicThreadLookup(magic_t *ctx, File *file)
 {
-    if (ctx == NULL || file == NULL || FileSize(file) == 0) {
+    if (ctx == NULL || file == NULL || FileDataSize(file) == 0) {
         SCReturnInt(-1);
     }
 
@@ -152,7 +152,7 @@ int FilemagicThreadLookup(magic_t *ctx, File *file)
     StreamingBufferGetData(file->sb,
                            &data, &data_len, &offset);
     if (offset == 0) {
-        if (FileSize(file) >= FILEMAGIC_MIN_SIZE) {
+        if (FileDataSize(file) >= FILEMAGIC_MIN_SIZE) {
             file->magic = MagicThreadLookup(ctx, data, data_len);
         } else if (file->state >= FILE_STATE_CLOSED) {
             file->magic = MagicThreadLookup(ctx, data, data_len);

src/detect-filesize.c

@@ -93,7 +93,7 @@ static int DetectFilesizeMatch (ThreadVars *t, DetectEngineThreadCtx *det_ctx, F
 
     DetectFilesizeData *fsd = (DetectFilesizeData *)m->ctx;
     int ret = 0;
-    uint64_t file_size = FileSize(file);
+    uint64_t file_size = FileTrackedSize(file);
 
     SCLogDebug("file size %"PRIu64", check %"PRIu64, file_size, fsd->size1);
 

src/log-file.c

@@ -319,7 +319,7 @@ static void LogFileWriteJsonRecord(LogFileLogThread *aft, const Packet *p, const
             break;
     }
     fprintf(fp, "\"stored\": %s, ", ff->flags & FILE_STORED ? "true" : "false");
-    fprintf(fp, "\"size\": %"PRIu64" ", FileSize(ff));
+    fprintf(fp, "\"size\": %"PRIu64" ", FileTrackedSize(ff));
     fprintf(fp, "}\n");
     fflush(fp);
     SCMutexUnlock(&aft->file_ctx->fp_mutex);

src/log-filestore.c

@@ -291,7 +291,7 @@ static void LogFilestoreLogCloseMetaFile(const File *ff)
                 fprintf(fp, "STATE:             UNKNOWN\n");
                 break;
         }
-        fprintf(fp, "SIZE:              %"PRIu64"\n", FileSize(ff));
+        fprintf(fp, "SIZE:              %"PRIu64"\n", FileTrackedSize(ff));
 
         fclose(fp);
     } else {

src/output-filedata.c

@@ -183,7 +183,7 @@ static TmEcode OutputFiledataLog(ThreadVars *tv, Packet *p, void *thread_data)
 
             /* if we have no data chunks left to log, we should still
              * close the logger(s) */
-            if (FileSize(ff) == ff->content_stored &&
+            if (FileDataSize(ff) == ff->content_stored &&
                 (file_trunc || file_close)) {
                 CallLoggers(tv, store, p, ff, NULL, 0, OUTPUT_FILEDATA_FLAG_CLOSE);
                 ff->flags |= FILE_STORED;

src/output-json-file.c

@@ -171,7 +171,7 @@ static void FileWriteJsonRecord(JsonFileLogThread *aft, const Packet *p, const F
     if (ff->flags & FILE_STORED) {
         json_object_set_new(fjs, "file_id", json_integer(ff->file_id));
     }
-    json_object_set_new(fjs, "size", json_integer(ff->size));
+    json_object_set_new(fjs, "size", json_integer(FileTrackedSize(ff)));
     json_object_set_new(fjs, "tx_id", json_integer(ff->txid));
 
     /* originally just 'file', but due to bug 1127 naming it fileinfo */

src/util-file.c

@@ -267,12 +267,12 @@ int FileMagicSize(void)
 }
 
 /**
- *  \brief get the size of the file
+ *  \brief get the size of the file data
  *
  *  This doesn't reflect how much of the file we have in memory, just the
- *  total size tracked so far.
+ *  total size of filedata so far.
  */
-uint64_t FileSize(const File *file)
+uint64_t FileDataSize(const File *file)
 {
     if (file != NULL && file->sb != NULL) {
         SCLogDebug("returning %"PRIu64,
@@ -283,6 +283,20 @@ uint64_t FileSize(const File *file)
     return 0;
 }
 
+/**
+ *  \brief get the size of the file
+ *
+ *  This doesn't reflect how much of the file we have in memory, just the
+ *  total size of file so far.
+ */
+uint64_t FileTrackedSize(const File *file)
+{
+    if (file != NULL) {
+        return file->size;
+    }
+    return 0;
+}
+
 static int FilePruneFile(File *file)
 {
     SCEnter();
@@ -299,7 +313,7 @@ static int FilePruneFile(File *file)
 #endif
     uint64_t left_edge = file->content_stored;
     if (file->flags & FILE_NOSTORE) {
-        left_edge = FileSize(file);
+        left_edge = FileDataSize(file);
     }
     if (file->flags & FILE_USE_DETECT) {
         left_edge = MIN(left_edge, file->content_inspected);
@@ -309,7 +323,7 @@ static int FilePruneFile(File *file)
         StreamingBufferSlideToOffset(file->sb, left_edge);
     }
 
-    if (left_edge != FileSize(file)) {
+    if (left_edge != FileDataSize(file)) {
         SCReturnInt(0);
     }
 
@@ -516,7 +530,7 @@ static int FileStoreNoStoreCheck(File *ff)
 
     if (ff->flags & FILE_NOSTORE) {
         if (ff->state == FILE_STATE_OPENED &&
-            FileSize(ff) >= (uint64_t)FileMagicSize())
+            FileDataSize(ff) >= (uint64_t)FileMagicSize())
         {
             SCReturnInt(1);
         }
@@ -706,7 +720,7 @@ File *FileOpenFile(FileContainer *ffc, const StreamingBufferConfig *sbcfg,
             ff->state = FILE_STATE_ERROR;
             SCReturnPtr(NULL, "File");
         }
-        SCLogDebug("file size is now %"PRIu64, FileSize(ff));
+        SCLogDebug("file size is now %"PRIu64, FileTrackedSize(ff));
     }
 
     SCReturnPtr(ff, "File");
@@ -1034,7 +1048,7 @@ void FileDisableStoringForFile(File *ff)
     SCLogDebug("not storing this file");
     ff->flags |= FILE_NOSTORE;
 
-    if (ff->state == FILE_STATE_OPENED && FileSize(ff) >= (uint64_t)FileMagicSize()) {
+    if (ff->state == FILE_STATE_OPENED && FileDataSize(ff) >= (uint64_t)FileMagicSize()) {
         if (g_file_force_md5 == 0 && g_file_force_sha1 == 0 && g_file_force_sha256 == 0
                 && g_file_force_tracking == 0) {
             (void)FileCloseFilePtr(ff, NULL, 0,

src/util-file.h

@@ -214,7 +214,8 @@ void FileStoreFileById(FileContainer *fc, uint32_t);
 
 void FileTruncateAllOpenFiles(FileContainer *);
 
-uint64_t FileSize(const File *file);
+uint64_t FileDataSize(const File *file);
+uint64_t FileTrackedSize(const File *file);
 
 uint16_t FileFlowToFlags(const Flow *flow, uint8_t direction);
 

src/util-lua-common.c

@@ -650,7 +650,7 @@ static int LuaCallbackFileInfoPushToStackFromFile(lua_State *luastate, const Fil
     lua_pushnumber(luastate, file->file_id);
     lua_pushnumber(luastate, file->txid);
     lua_pushlstring(luastate, (char *)file->name, file->name_len);
-    lua_pushnumber(luastate, FileSize(file));
+    lua_pushnumber(luastate, FileTrackedSize(file));
     lua_pushstring (luastate,
 #ifdef HAVE_MAGIC
                     file->magic