--- /dev/null
+/* Copyright (C) 2007-2012 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * 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
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ *
+ * Implements the filesize keyword
+ */
+
+#include "suricata-common.h"
+#include "app-layer-protos.h"
+#include "app-layer-htp.h"
+#include "util-unittest.h"
+#include "util-unittest-helper.h"
+
+#include "detect.h"
+#include "detect-parse.h"
+#include "detect-engine-state.h"
+
+#include "detect-filesize.h"
+#include "util-debug.h"
+#include "util-byte.h"
+#include "flow-util.h"
+#include "stream-tcp.h"
+
+/**
+ * \brief Regex for parsing our filesize
+ */
+#define PARSE_REGEX "^(?:\\s*)(<|>)?(?:\\s*)([0-9]{1,23})(?:\\s*)(?:(<>)(?:\\s*)([0-9]{1,23}))?\\s*$"
+
+static pcre *parse_regex;
+static pcre_extra *parse_regex_study;
+
+/*prototypes*/
+static int DetectFilesizeMatch (ThreadVars *t, DetectEngineThreadCtx *det_ctx, Flow *f,
+ uint8_t flags, void *state, Signature *s, SigMatch *m);
+static int DetectFilesizeSetup (DetectEngineCtx *, Signature *, char *);
+static void DetectFilesizeFree (void *);
+static void DetectFilesizeRegisterTests (void);
+
+/**
+ * \brief Registration function for filesize: keyword
+ */
+
+void DetectFilesizeRegister(void)
+{
+ sigmatch_table[DETECT_FILESIZE].name = "filesize";
+ sigmatch_table[DETECT_FILESIZE].alproto = ALPROTO_HTTP;
+ sigmatch_table[DETECT_FILESIZE].AppLayerMatch = DetectFilesizeMatch;
+ sigmatch_table[DETECT_FILESIZE].Setup = DetectFilesizeSetup;
+ sigmatch_table[DETECT_FILESIZE].Free = DetectFilesizeFree;
+ sigmatch_table[DETECT_FILESIZE].RegisterTests = DetectFilesizeRegisterTests;
+ sigmatch_table[DETECT_FILESIZE].flags |= SIGMATCH_PAYLOAD; /** XXX necessary? */
+
+ const char *eb;
+ int eo;
+ int opts = 0;
+
+ parse_regex = pcre_compile(PARSE_REGEX, opts, &eb, &eo, NULL);
+ if (parse_regex == NULL) {
+ SCLogDebug("pcre compile of \"%s\" failed at offset %" PRId32 ": %s",
+ PARSE_REGEX, eo, eb);
+ goto error;
+ }
+
+ parse_regex_study = pcre_study(parse_regex, 0, &eb);
+ if (eb != NULL) {
+ SCLogDebug("pcre study failed: %s", eb);
+ goto error;
+ }
+ return;
+
+error:
+ if (parse_regex != NULL)
+ SCFree(parse_regex);
+ if (parse_regex_study != NULL)
+ SCFree(parse_regex_study);
+ return;
+}
+
+/**
+ * \brief This function is used to match filesize rule option.
+ *
+ * \param t thread local vars
+ * \param det_ctx pattern matcher thread local data
+ * \param f *LOCKED* flow
+ * \param flags direction flags
+ * \param file file being inspected
+ * \param s signature being inspected
+ * \param m sigmatch that we will cast into DetectFilesizeData
+ *
+ * \retval 0 no match
+ * \retval 1 match
+ */
+static int DetectFilesizeMatch (ThreadVars *t, DetectEngineThreadCtx *det_ctx, Flow *f,
+ uint8_t flags, void *state, Signature *s, SigMatch *m)
+{
+ SCEnter();
+
+ DetectFilesizeData *fsd = m->ctx;
+ File *file = (File *)state;
+ int ret = 0;
+ SCLogDebug("file size %"PRIu64", check %"PRIu64, file->size, fsd->size1);
+
+ if (file->state == FILE_STATE_CLOSED) {
+ switch (fsd->mode) {
+ case DETECT_FILESIZE_EQ:
+ if (file->size == fsd->size1)
+ ret = 1;
+ break;
+ case DETECT_FILESIZE_LT:
+ if (file->size < fsd->size1)
+ ret = 1;
+ break;
+ case DETECT_FILESIZE_GT:
+ if (file->size > fsd->size1)
+ ret = 1;
+ break;
+ case DETECT_FILESIZE_RA:
+ if (file->size > fsd->size1 && file->size < fsd->size2)
+ ret = 1;
+ break;
+ }
+ /* truncated, error: only see if what we have meets the GT condition */
+ } else if (file->state > FILE_STATE_CLOSED) {
+ if (fsd->mode == DETECT_FILESIZE_GT && file->size > fsd->size1)
+ ret = 1;
+ }
+ SCReturnInt(ret);
+}
+
+/**
+ * \brief parse filesize options
+ *
+ * \param str pointer to the user provided filesize
+ *
+ * \retval fsd pointer to DetectFilesizeData on success
+ * \retval NULL on failure
+ */
+static DetectFilesizeData *DetectFilesizeParse (char *str)
+{
+
+ DetectFilesizeData *fsd = NULL;
+ char *arg1 = NULL;
+ char *arg2 = NULL;
+ char *arg3 = NULL;
+ char *arg4 = NULL;
+#define MAX_SUBSTRINGS 30
+ int ret = 0, res = 0;
+ int ov[MAX_SUBSTRINGS];
+
+ ret = pcre_exec(parse_regex, parse_regex_study, str, strlen(str),
+ 0, 0, ov, MAX_SUBSTRINGS);
+ if (ret < 3 || ret > 5) {
+ SCLogError(SC_ERR_PCRE_PARSE, "filesize option pcre parse error: \"%s\"", str);
+ goto error;
+ }
+ const char *str_ptr;
+
+ SCLogDebug("ret %d", ret);
+
+ res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 1, &str_ptr);
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
+ goto error;
+ }
+ arg1 = (char *) str_ptr;
+ SCLogDebug("Arg1 \"%s\"", arg1);
+
+ res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 2, &str_ptr);
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
+ goto error;
+ }
+ arg2 = (char *) str_ptr;
+ SCLogDebug("Arg2 \"%s\"", arg2);
+
+ if (ret > 3) {
+ res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 3, &str_ptr);
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
+ goto error;
+ }
+ arg3 = (char *) str_ptr;
+ SCLogDebug("Arg3 \"%s\"", arg3);
+
+ if (ret > 4) {
+ res = pcre_get_substring((char *)str, ov, MAX_SUBSTRINGS, 4, &str_ptr);
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
+ goto error;
+ }
+ arg4 = (char *) str_ptr;
+ SCLogDebug("Arg4 \"%s\"", arg4);
+ }
+ }
+
+ fsd = SCMalloc(sizeof (DetectFilesizeData));
+ if (fsd == NULL)
+ goto error;
+ memset(fsd, 0, sizeof(DetectFilesizeData));
+
+ if (arg1[0] == '<')
+ fsd->mode = DETECT_FILESIZE_LT;
+ else if (arg1[0] == '>')
+ fsd->mode = DETECT_FILESIZE_GT;
+ else
+ fsd->mode = DETECT_FILESIZE_EQ;
+
+ if (arg3 != NULL && strcmp("<>", arg3) == 0) {
+ if (strlen(arg1) != 0) {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,"Range specified but mode also set");
+ goto error;
+ }
+ fsd->mode = DETECT_FILESIZE_RA;
+ }
+
+ /** set the first value */
+ if (ByteExtractStringUint64(&fsd->size1,10,strlen(arg2),arg2) <= 0){
+ SCLogError(SC_ERR_INVALID_ARGUMENT,"Invalid size :\"%s\"",arg2);
+ goto error;
+ }
+
+ /** set the second value if specified */
+ if (arg4 != NULL && strlen(arg4) > 0) {
+ if (fsd->mode != DETECT_FILESIZE_RA) {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,"Multiple filesize values specified"
+ " but mode is not range");
+ goto error;
+ }
+
+ if(ByteExtractStringUint64(&fsd->size2,10,strlen(arg4),arg4) <= 0)
+ {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,"Invalid size :\"%s\"",arg4);
+ goto error;
+ }
+
+ if (fsd->size2 <= fsd->size1){
+ SCLogError(SC_ERR_INVALID_ARGUMENT,"filesize2:%"PRIu64" <= filesize:"
+ "%"PRIu64"",fsd->size2,fsd->size1);
+ goto error;
+ }
+ }
+
+ pcre_free_substring(arg1);
+ pcre_free_substring(arg2);
+ if (arg3 != NULL)
+ pcre_free_substring(arg3);
+ if (arg4 != NULL)
+ pcre_free_substring(arg4);
+ return fsd;
+
+error:
+ if (fsd)
+ SCFree(fsd);
+ if (arg1 != NULL)
+ SCFree(arg1);
+ if (arg2 != NULL)
+ SCFree(arg2);
+ if (arg3 != NULL)
+ SCFree(arg3);
+ if (arg4 != NULL)
+ SCFree(arg4);
+ return NULL;
+}
+
+/**
+ * \brief this function is used to parse filesize data into the current signature
+ *
+ * \param de_ctx pointer to the Detection Engine Context
+ * \param s pointer to the Current Signature
+ * \param str pointer to the user provided options
+ *
+ * \retval 0 on Success
+ * \retval -1 on Failure
+ */
+static int DetectFilesizeSetup (DetectEngineCtx *de_ctx, Signature *s, char *str)
+{
+ SCEnter();
+ DetectFilesizeData *fsd = NULL;
+ SigMatch *sm = NULL;
+
+ fsd = DetectFilesizeParse(str);
+ if (fsd == NULL)
+ goto error;
+
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_FILESIZE;
+ sm->ctx = (void *)fsd;
+
+ SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_FILEMATCH);
+
+ if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_HTTP) {
+ SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains conflicting keywords.");
+ goto error;
+ }
+
+ AppLayerHtpNeedFileInspection();
+
+ /** \todo remove this once we support more than http */
+ s->alproto = ALPROTO_HTTP;
+
+ s->file_flags |= (FILE_SIG_NEED_FILE|FILE_SIG_NEED_SIZE);
+ SCReturnInt(0);
+
+error:
+ if (fsd != NULL)
+ DetectFilesizeFree(fsd);
+ if (sm != NULL)
+ SCFree(sm);
+ SCReturnInt(-1);
+}
+
+/**
+ * \brief this function will free memory associated with DetectFilesizeData
+ *
+ * \param ptr pointer to DetectFilesizeData
+ */
+static void DetectFilesizeFree(void *ptr)
+{
+ DetectFilesizeData *fsd = (DetectFilesizeData *)ptr;
+ SCFree(fsd);
+}
+
+#ifdef UNITTESTS
+
+#include "stream.h"
+#include "stream-tcp-private.h"
+#include "stream-tcp-reassemble.h"
+#include "detect-parse.h"
+#include "detect-engine.h"
+#include "detect-engine-mpm.h"
+#include "app-layer-parser.h"
+
+/** \test Test the Filesize keyword setup */
+static int DetectFilesizeParseTest01(void)
+{
+ int ret = 0;
+ DetectFilesizeData *fsd = NULL;
+
+ fsd = DetectFilesizeParse("10");
+ if (fsd != NULL) {
+ if (fsd->size1 == 10 && fsd->mode == DETECT_FILESIZE_EQ)
+ ret = 1;
+
+ DetectFilesizeFree(fsd);
+ }
+ return ret;
+}
+
+/** \test Test the Filesize keyword setup */
+static int DetectFilesizeParseTest02(void)
+{
+ int ret = 0;
+ DetectFilesizeData *fsd = NULL;
+
+ fsd = DetectFilesizeParse(" < 10 ");
+ if (fsd != NULL) {
+ if (fsd->size1 == 10 && fsd->mode == DETECT_FILESIZE_LT)
+ ret = 1;
+
+ DetectFilesizeFree(fsd);
+ }
+ return ret;
+}
+
+/** \test Test the Filesize keyword setup */
+static int DetectFilesizeParseTest03(void)
+{
+ int ret = 0;
+ DetectFilesizeData *fsd = NULL;
+
+ fsd = DetectFilesizeParse(" > 10 ");
+ if (fsd != NULL) {
+ if (fsd->size1 == 10 && fsd->mode == DETECT_FILESIZE_GT)
+ ret = 1;
+
+ DetectFilesizeFree(fsd);
+ }
+ return ret;
+}
+
+/** \test Test the Filesize keyword setup */
+static int DetectFilesizeParseTest04(void)
+{
+ int ret = 0;
+ DetectFilesizeData *fsd = NULL;
+
+ fsd = DetectFilesizeParse(" 5 <> 10 ");
+ if (fsd != NULL) {
+ if (fsd->size1 == 5 && fsd->size2 == 10 &&
+ fsd->mode == DETECT_FILESIZE_RA)
+ ret = 1;
+
+ DetectFilesizeFree(fsd);
+ }
+ return ret;
+}
+
+/** \test Test the Filesize keyword setup */
+static int DetectFilesizeParseTest05(void)
+{
+ int ret = 0;
+ DetectFilesizeData *fsd = NULL;
+
+ fsd = DetectFilesizeParse("5<>10");
+ if (fsd != NULL) {
+ if (fsd->size1 == 5 && fsd->size2 == 10 &&
+ fsd->mode == DETECT_FILESIZE_RA)
+ ret = 1;
+
+ DetectFilesizeFree(fsd);
+ }
+ return ret;
+}
+
+/**
+ * \brief this function is used to initialize the detection engine context and
+ * setup the signature with passed values.
+ *
+ */
+
+static int DetectFilesizeInitTest(DetectEngineCtx **de_ctx, Signature **sig,
+ DetectFilesizeData **fsd, char *str)
+{
+ char fullstr[1024];
+ int result = 0;
+
+ *de_ctx = NULL;
+ *sig = NULL;
+
+ if (snprintf(fullstr, 1024, "alert http any any -> any any (msg:\"Filesize "
+ "test\"; filesize:%s; sid:1;)", str) >= 1024) {
+ goto end;
+ }
+
+ *de_ctx = DetectEngineCtxInit();
+ if (*de_ctx == NULL) {
+ goto end;
+ }
+
+ (*de_ctx)->flags |= DE_QUIET;
+
+ (*de_ctx)->sig_list = SigInit(*de_ctx, fullstr);
+ if ((*de_ctx)->sig_list == NULL) {
+ goto end;
+ }
+
+ *sig = (*de_ctx)->sig_list;
+
+ *fsd = DetectFilesizeParse(str);
+
+ result = 1;
+
+end:
+ return result;
+}
+
+/**
+ * \test DetectFilesizeSetpTest01 is a test for setting up an valid filesize values
+ * with valid "<>" operator and include spaces arround the given values.
+ * In the test the values are setup with initializing the detection engine
+ * context and setting up the signature itself.
+ */
+
+static int DetectFilesizeSetpTest01(void) {
+
+ DetectFilesizeData *fsd = NULL;
+ uint8_t res = 0;
+ Signature *sig = NULL;
+ DetectEngineCtx *de_ctx = NULL;
+
+ res = DetectFilesizeInitTest(&de_ctx, &sig, &fsd, "1 <> 2 ");
+ if (res == 0) {
+ goto end;
+ }
+
+ if(fsd == NULL)
+ goto cleanup;
+
+ if (fsd != NULL) {
+ if (fsd->size1 == 1 && fsd->size2 == 2 &&
+ fsd->mode == DETECT_FILESIZE_RA)
+ res = 1;
+ }
+
+cleanup:
+ if (fsd)
+ SCFree(fsd);
+ SigGroupCleanup(de_ctx);
+ SigCleanSignatures(de_ctx);
+ DetectEngineCtxFree(de_ctx);
+end:
+ return res;
+}
+
+#endif /* UNITTESTS */
+
+/**
+ * \brief this function registers unit tests for DetectFilesize
+ */
+void DetectFilesizeRegisterTests(void)
+{
+#ifdef UNITTESTS
+ UtRegisterTest("DetectFilesizeParseTest01", DetectFilesizeParseTest01, 1);
+ UtRegisterTest("DetectFilesizeParseTest02", DetectFilesizeParseTest02, 1);
+ UtRegisterTest("DetectFilesizeParseTest03", DetectFilesizeParseTest03, 1);
+ UtRegisterTest("DetectFilesizeParseTest04", DetectFilesizeParseTest04, 1);
+ UtRegisterTest("DetectFilesizeParseTest05", DetectFilesizeParseTest05, 1);
+ UtRegisterTest("DetectFilesizeSetpTest01", DetectFilesizeSetpTest01, 1);
+#endif /* UNITTESTS */
+}
ff->chunks_tail = ffd;
}
- ff->size += ffd->len;
- SCLogDebug("file size %"PRIu64, ff->size);
-
#ifdef DEBUG
ff->chunks_cnt++;
if (ff->chunks_cnt > ff->chunks_cnt_max)
while (fd != NULL) {
SCLogDebug("fd %p", fd);
- if (file->store == -1 || fd->stored == 1) {
+ if (file->flags & FILE_NOSTORE || fd->stored == 1) {
file->chunks_head = fd->next;
if (file->chunks_tail == fd)
file->chunks_tail = fd->next;
* \param ff The file to store
*/
int FileStore(File *ff) {
- ff->store = 1;
+ ff->flags |= FILE_STORE;
SCReturnInt(0);
}
SCReturnInt(0);
}
-
- if (ff->store == -1) {
+ if (ff->flags & FILE_NOSTORE) {
if (ff->state == FILE_STATE_OPENED &&
ff->size >= (uint64_t)FileMagicSize())
{
}
if (ffc->tail->state != FILE_STATE_OPENED) {
- if (ffc->tail->store == -1) {
+ if (ffc->tail->flags & FILE_NOSTORE) {
SCReturnInt(-2);
}
SCReturnInt(-1);
}
+ ffc->tail->size += data_len;
+ SCLogDebug("file size is now %"PRIu64, ffc->tail->size);
+
if (FileStoreNoStoreCheck(ffc->tail) == 1) {
#ifdef HAVE_NSS
/* no storage but forced md5 */
- if (g_file_force_tracking || ffc->tail->md5_ctx) {
+ if (ffc->tail->md5_ctx) {
if (ffc->tail->md5_ctx)
HASH_Update(ffc->tail->md5_ctx, data, data_len);
- ffc->tail->size += data_len;
SCReturnInt(0);
}
#endif
+ if (g_file_force_tracking || (!(ffc->tail->flags & FILE_NOTRACK)))
+ SCReturnInt(0);
+
ffc->tail->state = FILE_STATE_TRUNCATED;
SCLogDebug("flowfile state transitioned to FILE_STATE_TRUNCATED");
SCReturnInt(-2);
}
if (flags & FILE_STORE) {
- ff->store = 1;
+ ff->flags |= FILE_STORE;
} else if (flags & FILE_NOSTORE) {
- ff->store = -1;
+ SCLogDebug("not storing this file");
+ ff->flags |= FILE_NOSTORE;
}
if (flags & FILE_NOMAGIC) {
SCLogDebug("not doing magic for this file");
if (data != NULL) {
//PrintRawDataFp(stdout, data, data_len);
+ ff->size += data_len;
+ SCLogDebug("file size is now %"PRIu64, ff->size);
FileData *ffd = FileDataAlloc(data, data_len);
if (ffd == NULL) {
SCReturnInt(-1);
}
+ ff->size += data_len;
+ SCLogDebug("file size is now %"PRIu64, ff->size);
+
if (data != NULL) {
//PrintRawDataFp(stdout, data, data_len);
- if (ff->store == -1) {
+ if (ff->flags & FILE_NOSTORE) {
#ifdef HAVE_NSS
/* no storage but md5 */
if (ff->md5_ctx)
HASH_Update(ff->md5_ctx, data, data_len);
#endif
- ff->size += data_len;
} else {
FileData *ffd = FileDataAlloc(data, data_len);
if (ffd == NULL) {
SCLogDebug("flowfile state transitioned to FILE_STATE_TRUNCATED");
if (flags & FILE_NOSTORE) {
- ff->store = -1;
+ SCLogDebug("not storing this file");
+ ff->flags |= FILE_NOSTORE;
}
} else {
ff->state = FILE_STATE_CLOSED;
FileContainer *ffc = AppLayerGetFilesFromFlow(f, direction);
if (ffc != NULL) {
for (ptr = ffc->head; ptr != NULL; ptr = ptr->next) {
- if (ptr->store == 0) {
- ptr->store = -1;
+ /* if we're already storing, we'll continue */
+ if (!(ptr->flags & FILE_STORE)) {
+ SCLogDebug("not storing this file");
+ ptr->flags |= FILE_NOSTORE;
}
}
}
SCReturn;
}
+/**
+ * \brief disable file size tracking for this flow
+ *
+ * \param f *LOCKED* flow
+ * \param direction flow direction
+ */
+void FileDisableFilesize(Flow *f, uint8_t direction) {
+ File *ptr = NULL;
+
+ SCEnter();
+
+ DEBUG_ASSERT_FLOW_LOCKED(f);
+
+ if (direction == STREAM_TOSERVER)
+ f->flags |= FLOW_FILE_NO_SIZE_TS;
+ else
+ f->flags |= FLOW_FILE_NO_SIZE_TC;
+
+ FileContainer *ffc = AppLayerGetFilesFromFlow(f, direction);
+ if (ffc != NULL) {
+ for (ptr = ffc->head; ptr != NULL; ptr = ptr->next) {
+ SCLogDebug("disabling size tracking for file %p from direction %s",
+ ptr, direction == STREAM_TOSERVER ? "toserver":"toclient");
+ ptr->flags |= FILE_NOTRACK;
+ }
+ }
+
+ SCReturn;
+}
+
+
/**
* \brief set no store flag, close file if needed
*
SCReturn;
}
- ff->store = -1;
+ SCLogDebug("not storing this file");
+ ff->flags |= FILE_NOSTORE;
if (ff->state == FILE_STATE_OPENED && ff->size >= (uint64_t)FileMagicSize()) {
(void)FileCloseFilePtr(ff, NULL, 0,
if (ffc != NULL) {
for (ptr = ffc->head; ptr != NULL; ptr = ptr->next) {
if (ptr->txid == tx_id) {
- if (ptr->store == 1) {
+ if (ptr->flags & FILE_STORE) {
/* weird, already storing -- let it continue*/
SCLogDebug("file is already being stored");
} else {
if (fc != NULL) {
for (ptr = fc->head; ptr != NULL; ptr = ptr->next) {
if (ptr->file_id == file_id) {
- ptr->store = 1;
+ ptr->flags |= FILE_STORE;
}
}
}
if (fc != NULL) {
for (ptr = fc->head; ptr != NULL; ptr = ptr->next) {
if (ptr->txid == tx_id) {
- ptr->store = 1;
+ ptr->flags |= FILE_STORE;
}
}
}
if (fc != NULL) {
for (ptr = fc->head; ptr != NULL; ptr = ptr->next) {
- ptr->store = 1;
+ ptr->flags |= FILE_STORE;
}
}
}