--- /dev/null
+/* Copyright (C) 2015-2016 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.
+ */
+
+#include "suricata-common.h"
+#include "util-streaming-buffer.h"
+#include "util-unittest.h"
+#include "util-print.h"
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ *
+ * \brief Streaming Buffer API
+ */
+
+/* memory handling wrappers. If config doesn't define it's own set of
+ * functions, use the defaults */
+#define MALLOC(cfg, s) \
+ (cfg)->Malloc ? (cfg)->Malloc((s)) : SCMalloc((s))
+#define CALLOC(cfg, n, s) \
+ (cfg)->Calloc ? (cfg)->Calloc((n), (s)) : SCCalloc((n), (s))
+#define REALLOC(cfg, ptr, orig_s, s) \
+ (cfg)->Realloc ? (cfg)->Realloc((ptr), (orig_s), (s)) : SCRealloc((ptr), (s))
+#define FREE(cfg, ptr, s) \
+ (cfg)->Free ? (cfg)->Free((ptr), (s)) : SCFree((ptr))
+
+static inline int InitBuffer(StreamingBuffer *sb)
+{
+ sb->buf = CALLOC(sb->cfg, 1, sb->cfg->buf_size);
+ if (sb->buf == NULL) {
+ return -1;
+ }
+ sb->buf_size = sb->cfg->buf_size;
+ return 0;
+}
+
+StreamingBuffer *StreamingBufferInit(const StreamingBufferConfig *cfg)
+{
+ StreamingBuffer *sb = CALLOC(cfg, 1, sizeof(StreamingBuffer));
+ if (sb != NULL) {
+ sb->buf_size = cfg->buf_size;
+ sb->cfg = cfg;
+
+ if (cfg->buf_size > 0) {
+ if (InitBuffer(sb) == 0) {
+ return sb;
+ }
+ FREE(cfg, sb, sizeof(StreamingBuffer));
+ /* implied buf_size == 0 */
+ } else {
+ return sb;
+ }
+ }
+ return NULL;
+}
+
+void StreamingBufferClear(StreamingBuffer *sb)
+{
+ if (sb != NULL) {
+ SCLogDebug("sb->buf_size %u max %u", sb->buf_size, sb->buf_size_max);
+
+ if (sb->buf != NULL) {
+ FREE(sb->cfg, sb->buf, sb->buf_size);
+ sb->buf = NULL;
+ }
+ }
+}
+
+void StreamingBufferFree(StreamingBuffer *sb)
+{
+ if (sb != NULL) {
+ StreamingBufferClear(sb);
+ FREE(sb->cfg, sb, sizeof(StreamingBuffer));
+ }
+}
+
+/**
+ * \internal
+ * \brief move buffer forward by 'slide'
+ */
+static void AutoSlide(StreamingBuffer *sb)
+{
+ uint32_t size = sb->cfg->buf_slide;
+ uint32_t slide = sb->buf_offset - size;
+ SCLogDebug("sliding %u forward, size of original buffer left after slide %u", slide, size);
+ memmove(sb->buf, sb->buf+slide, size);
+ sb->stream_offset += slide;
+ sb->buf_offset = size;
+}
+
+static void GrowToSize(StreamingBuffer *sb, uint32_t size)
+{
+ /* try to grow in multiples of sb->cfg->buf_size */
+ uint32_t x = sb->cfg->buf_size ? size % sb->cfg->buf_size : 0;
+ uint32_t base = size - x;
+ uint32_t grow = base + sb->cfg->buf_size;
+
+ void *ptr = REALLOC(sb->cfg, sb->buf, sb->buf_size, grow);
+ if (ptr != NULL) {
+ /* for safe printing and general caution, lets memset the
+ * new data to 0 */
+ size_t diff = grow - sb->buf_size;
+ void *new_mem = ((char *)ptr) + sb->buf_size;
+ memset(new_mem, 0, diff);
+
+ sb->buf = ptr;
+ sb->buf_size = grow;
+ SCLogDebug("grown buffer to %u", grow);
+#ifdef DEBUG
+ if (sb->buf_size > sb->buf_size_max) {
+ sb->buf_size_max = sb->buf_size;
+ }
+#endif
+ }
+}
+
+static void Grow(StreamingBuffer *sb)
+{
+ uint32_t grow = sb->buf_size * 2;
+ void *ptr = REALLOC(sb->cfg, sb->buf, sb->buf_size, grow);
+ if (ptr != NULL) {
+ /* for safe printing and general caution, lets memset the
+ * new data to 0 */
+ size_t diff = grow - sb->buf_size;
+ void *new_mem = ((char *)ptr) + sb->buf_size;
+ memset(new_mem, 0, diff);
+
+ sb->buf = ptr;
+ sb->buf_size = grow;
+ SCLogDebug("grown buffer to %u", grow);
+#ifdef DEBUG
+ if (sb->buf_size > sb->buf_size_max) {
+ sb->buf_size_max = sb->buf_size;
+ }
+#endif
+ }
+}
+
+/**
+ * \brief slide to absolute offset
+ * \todo if sliding beyond window, we could perhaps reset?
+ */
+void StreamingBufferSlideToOffset(StreamingBuffer *sb, uint64_t offset)
+{
+ if (offset > sb->stream_offset &&
+ offset <= sb->stream_offset + sb->buf_offset)
+ {
+ uint32_t slide = offset - sb->stream_offset;
+ uint32_t size = sb->buf_offset - slide;
+ SCLogDebug("sliding %u forward, size of original buffer left after slide %u", slide, size);
+ memmove(sb->buf, sb->buf+slide, size);
+ sb->stream_offset += slide;
+ sb->buf_offset = size;
+ }
+}
+
+void StreamingBufferSlide(StreamingBuffer *sb, uint32_t slide)
+{
+ uint32_t size = sb->buf_offset - slide;
+ SCLogDebug("sliding %u forward, size of original buffer left after slide %u", slide, size);
+ memmove(sb->buf, sb->buf+slide, size);
+ sb->stream_offset += slide;
+ sb->buf_offset = size;
+}
+
+#define DATA_FITS(sb, len) \
+ ((sb)->buf_offset + (len) <= (sb)->buf_size)
+
+StreamingBufferSegment *StreamingBufferAppendRaw(StreamingBuffer *sb, const uint8_t *data, uint32_t data_len)
+{
+ if (sb->buf == NULL) {
+ if (InitBuffer(sb) == -1)
+ return NULL;
+ }
+
+ StreamingBufferSegment *seg = CALLOC(sb->cfg, 1, sizeof(StreamingBufferSegment));
+ if (seg != NULL) {
+ if (!DATA_FITS(sb, data_len)) {
+ if (sb->cfg->flags & STREAMING_BUFFER_AUTOSLIDE)
+ AutoSlide(sb);
+ if (sb->buf_size == 0) {
+ GrowToSize(sb, data_len);
+ } else {
+ while (!DATA_FITS(sb, data_len)) {
+ Grow(sb);
+ }
+ }
+ }
+ if (!DATA_FITS(sb, data_len)) {
+ FREE(sb->cfg, seg, sizeof(StreamingBufferSegment));
+ return NULL;
+ }
+
+ memcpy(sb->buf + sb->buf_offset, data, data_len);
+ seg->stream_offset = sb->stream_offset + sb->buf_offset;
+ seg->segment_len = data_len;
+ sb->buf_offset += data_len;
+ return seg;
+ }
+ return NULL;
+}
+
+void StreamingBufferAppend(StreamingBuffer *sb, StreamingBufferSegment *seg,
+ const uint8_t *data, uint32_t data_len)
+{
+ BUG_ON(seg == NULL);
+
+ if (sb->buf == NULL) {
+ if (InitBuffer(sb) == -1)
+ return;
+ }
+
+ if (!DATA_FITS(sb, data_len)) {
+ if (sb->cfg->flags & STREAMING_BUFFER_AUTOSLIDE)
+ AutoSlide(sb);
+ if (sb->buf_size == 0) {
+ GrowToSize(sb, data_len);
+ } else {
+ while (!DATA_FITS(sb, data_len)) {
+ Grow(sb);
+ }
+ }
+ }
+ if (!DATA_FITS(sb, data_len)) {
+ return;
+ }
+
+ memcpy(sb->buf + sb->buf_offset, data, data_len);
+ seg->stream_offset = sb->stream_offset + sb->buf_offset;
+ seg->segment_len = data_len;
+ sb->buf_offset += data_len;
+}
+
+/**
+ * \brief add data w/o tracking a segment
+ */
+void StreamingBufferAppendNoTrack(StreamingBuffer *sb,
+ const uint8_t *data, uint32_t data_len)
+{
+ if (sb->buf == NULL) {
+ if (InitBuffer(sb) == -1)
+ return;
+ }
+
+ if (!DATA_FITS(sb, data_len)) {
+ if (sb->cfg->flags & STREAMING_BUFFER_AUTOSLIDE)
+ AutoSlide(sb);
+ if (sb->buf_size == 0) {
+ GrowToSize(sb, data_len);
+ } else {
+ while (!DATA_FITS(sb, data_len)) {
+ Grow(sb);
+ }
+ }
+ }
+ if (!DATA_FITS(sb, data_len)) {
+ return;
+ }
+
+ memcpy(sb->buf + sb->buf_offset, data, data_len);
+ sb->buf_offset += data_len;
+}
+
+#define DATA_FITS_AT_OFFSET(sb, len, offset) \
+ ((offset) + (len) <= (sb)->buf_size)
+
+/**
+ * \param offset offset relative to StreamingBuffer::stream_offset
+ */
+void StreamingBufferInsertAt(StreamingBuffer *sb, StreamingBufferSegment *seg,
+ const uint8_t *data, uint32_t data_len,
+ uint64_t offset)
+{
+ BUG_ON(seg == NULL);
+
+ if (offset < sb->stream_offset)
+ return;
+
+ if (sb->buf == NULL) {
+ if (InitBuffer(sb) == -1)
+ return;
+ }
+
+ uint32_t rel_offset = offset - sb->stream_offset;
+ if (!DATA_FITS_AT_OFFSET(sb, data_len, rel_offset)) {
+ if (sb->cfg->flags & STREAMING_BUFFER_AUTOSLIDE) {
+ AutoSlide(sb);
+ rel_offset = offset - sb->stream_offset;
+ }
+ if (!DATA_FITS_AT_OFFSET(sb, data_len, rel_offset)) {
+ GrowToSize(sb, (rel_offset + data_len));
+ }
+ }
+ BUG_ON(!DATA_FITS_AT_OFFSET(sb, data_len, rel_offset));
+
+ memcpy(sb->buf + rel_offset, data, data_len);
+ seg->stream_offset = offset;
+ seg->segment_len = data_len;
+ if (rel_offset + data_len > sb->buf_offset)
+ sb->buf_offset = rel_offset + data_len;
+
+
+}
+
+int StreamingBufferSegmentIsBeforeWindow(const StreamingBuffer *sb,
+ const StreamingBufferSegment *seg)
+{
+ if (seg->stream_offset < sb->stream_offset) {
+ if (seg->stream_offset + seg->segment_len <= sb->stream_offset) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+void StreamingBufferSegmentGetData(const StreamingBuffer *sb,
+ const StreamingBufferSegment *seg,
+ const uint8_t **data, uint32_t *data_len)
+{
+ if (seg->stream_offset >= sb->stream_offset) {
+ uint64_t offset = seg->stream_offset - sb->stream_offset;
+ *data = sb->buf + offset;
+ if (offset + seg->segment_len > sb->buf_size)
+ *data_len = sb->buf_size - offset;
+ else
+ *data_len = seg->segment_len;
+ return;
+ } else {
+ uint64_t offset = sb->stream_offset - seg->stream_offset;
+ if (offset < seg->segment_len) {
+ *data = sb->buf;
+ *data_len = seg->segment_len - offset;
+ return;
+ }
+ }
+ *data = NULL;
+ *data_len = 0;
+ return;
+}
+
+/**
+ * \retval 1 data is the same
+ * \retval 0 data is different
+ */
+int StreamingBufferSegmentCompareRawData(const StreamingBuffer *sb,
+ const StreamingBufferSegment *seg,
+ const uint8_t *rawdata, uint32_t rawdata_len)
+{
+ const uint8_t *segdata = NULL;
+ uint32_t segdata_len = 0;
+ StreamingBufferSegmentGetData(sb, seg, &segdata, &segdata_len);
+ if (segdata && segdata_len &&
+ segdata_len == rawdata_len &&
+ memcmp(segdata, rawdata, segdata_len) == 0)
+ {
+ return 1;
+ }
+ return 0;
+}
+
+int StreamingBufferGetData(const StreamingBuffer *sb,
+ const uint8_t **data, uint32_t *data_len,
+ uint64_t *stream_offset)
+{
+ if (sb != NULL && sb->buf != NULL) {
+ *data = sb->buf;
+ *data_len = sb->buf_offset;
+ *stream_offset = sb->stream_offset;
+ return 1;
+ } else {
+ *data = NULL;
+ *data_len = 0;
+ *stream_offset = 0;
+ return 0;
+ }
+}
+
+int StreamingBufferGetDataAtOffset (const StreamingBuffer *sb,
+ const uint8_t **data, uint32_t *data_len,
+ uint64_t offset)
+{
+ if (sb != NULL && sb->buf != NULL &&
+ offset >= sb->stream_offset &&
+ offset < (sb->stream_offset + sb->buf_offset))
+ {
+ uint32_t skip = offset - sb->stream_offset;
+ *data = sb->buf + skip;
+ *data_len = sb->buf_offset - skip;
+ return 1;
+ } else {
+ *data = NULL;
+ *data_len = 0;
+ return 0;
+ }
+}
+
+/**
+ * \retval 1 data is the same
+ * \retval 0 data is different
+ */
+int StreamingBufferCompareRawData(const StreamingBuffer *sb,
+ const uint8_t *rawdata, uint32_t rawdata_len)
+{
+ const uint8_t *sbdata = NULL;
+ uint32_t sbdata_len = 0;
+ uint64_t offset = 0;
+ StreamingBufferGetData(sb, &sbdata, &sbdata_len, &offset);
+ if (offset == 0 &&
+ sbdata && sbdata_len &&
+ sbdata_len == rawdata_len &&
+ memcmp(sbdata, rawdata, sbdata_len) == 0)
+ {
+ return 1;
+ }
+ SCLogInfo("sbdata_len %u, offset %u", sbdata_len, (uint)offset);
+ PrintRawDataFp(stdout, sbdata,sbdata_len);
+ return 0;
+}
+
+void Dump(StreamingBuffer *sb)
+{
+ PrintRawDataFp(stdout, sb->buf, sb->buf_offset);
+}
+
+void DumpSegment(StreamingBuffer *sb, StreamingBufferSegment *seg)
+{
+ const uint8_t *data = NULL;
+ uint32_t data_len = 0;
+ StreamingBufferSegmentGetData(sb, seg, &data, &data_len);
+ if (data && data_len) {
+ PrintRawDataFp(stdout, data, data_len);
+ }
+}
+
+#ifdef UNITTESTS
+static int StreamingBufferTest01(void)
+{
+ StreamingBufferConfig cfg = { STREAMING_BUFFER_AUTOSLIDE, 8, 16, NULL, NULL, NULL, NULL };
+ StreamingBuffer *sb = StreamingBufferInit(&cfg);
+ FAIL_IF(sb == NULL);
+
+ StreamingBufferSegment *seg1 = StreamingBufferAppendRaw(sb, (const uint8_t *)"ABCDEFGH", 8);
+ StreamingBufferSegment *seg2 = StreamingBufferAppendRaw(sb, (const uint8_t *)"01234567", 8);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 16);
+ FAIL_IF(seg1->stream_offset != 0);
+ FAIL_IF(seg2->stream_offset != 8);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg2));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg1,(const uint8_t *)"ABCDEFGH", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg2,(const uint8_t *)"01234567", 8));
+ Dump(sb);
+
+ StreamingBufferSegment *seg3 = StreamingBufferAppendRaw(sb, (const uint8_t *)"QWERTY", 6);
+ FAIL_IF(sb->stream_offset != 8);
+ FAIL_IF(sb->buf_offset != 14);
+ FAIL_IF(seg3->stream_offset != 16);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg3));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg3,(const uint8_t *)"QWERTY", 6));
+ Dump(sb);
+
+ StreamingBufferSegment *seg4 = StreamingBufferAppendRaw(sb, (const uint8_t *)"KLM", 3);
+ FAIL_IF(sb->stream_offset != 14);
+ FAIL_IF(sb->buf_offset != 11);
+ FAIL_IF(seg4->stream_offset != 22);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg3));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg4));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg4,(const uint8_t *)"KLM", 3));
+ Dump(sb);
+
+ StreamingBufferSegment *seg5 = StreamingBufferAppendRaw(sb, (const uint8_t *)"!@#$%^&*()_+<>?/,.;:'[]{}-=", 27);
+ FAIL_IF(sb->stream_offset != 17);
+ FAIL_IF(sb->buf_offset != 35);
+ FAIL_IF(seg5->stream_offset != 25);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg1));
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg3));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg4));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg5));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg5,(const uint8_t *)"!@#$%^&*()_+<>?/,.;:'[]{}-=", 27));
+ Dump(sb);
+
+ StreamingBufferSegment *seg6 = StreamingBufferAppendRaw(sb, (const uint8_t *)"UVWXYZ", 6);
+ FAIL_IF(sb->stream_offset != 17);
+ FAIL_IF(sb->buf_offset != 41);
+ FAIL_IF(seg6->stream_offset != 52);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg1));
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg3));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg4));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg5));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,seg6));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,seg6,(const uint8_t *)"UVWXYZ", 6));
+ Dump(sb);
+
+ SCFree(seg1);
+ SCFree(seg2);
+ SCFree(seg3);
+ SCFree(seg4);
+ SCFree(seg5);
+ SCFree(seg6);
+ StreamingBufferFree(sb);
+ PASS;
+}
+
+static int StreamingBufferTest02(void)
+{
+ StreamingBufferConfig cfg = { 0, 8, 24, NULL, NULL, NULL, NULL };
+ StreamingBuffer *sb = StreamingBufferInit(&cfg);
+ FAIL_IF(sb == NULL);
+
+ StreamingBufferSegment seg1;
+ StreamingBufferAppend(sb, &seg1, (const uint8_t *)"ABCDEFGH", 8);
+ StreamingBufferSegment seg2;
+ StreamingBufferAppend(sb, &seg2, (const uint8_t *)"01234567", 8);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 16);
+ FAIL_IF(seg1.stream_offset != 0);
+ FAIL_IF(seg2.stream_offset != 8);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+
+ StreamingBufferSlide(sb, 6);
+
+ StreamingBufferSegment seg3;
+ StreamingBufferAppend(sb, &seg3, (const uint8_t *)"QWERTY", 6);
+ FAIL_IF(sb->stream_offset != 6);
+ FAIL_IF(sb->buf_offset != 16);
+ FAIL_IF(seg3.stream_offset != 16);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+
+ StreamingBufferSlide(sb, 6);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+
+ StreamingBufferFree(sb);
+ PASS;
+}
+
+static int StreamingBufferTest03(void)
+{
+ StreamingBufferConfig cfg = { 0, 8, 24, NULL, NULL, NULL, NULL };
+ StreamingBuffer *sb = StreamingBufferInit(&cfg);
+ FAIL_IF(sb == NULL);
+
+ StreamingBufferSegment seg1;
+ StreamingBufferAppend(sb, &seg1, (const uint8_t *)"ABCDEFGH", 8);
+ StreamingBufferSegment seg2;
+ StreamingBufferInsertAt(sb, &seg2, (const uint8_t *)"01234567", 8, 14);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 22);
+ FAIL_IF(seg1.stream_offset != 0);
+ FAIL_IF(seg2.stream_offset != 14);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+
+ StreamingBufferSegment seg3;
+ StreamingBufferInsertAt(sb, &seg3, (const uint8_t *)"QWERTY", 6, 8);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 22);
+ FAIL_IF(seg3.stream_offset != 8);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+
+ StreamingBufferSlide(sb, 10);
+ FAIL_IF(!StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+
+ StreamingBufferFree(sb);
+ PASS;
+}
+
+static int StreamingBufferTest04(void)
+{
+ StreamingBufferConfig cfg = { 0, 8, 16, NULL, NULL, NULL, NULL };
+ StreamingBuffer *sb = StreamingBufferInit(&cfg);
+ FAIL_IF(sb == NULL);
+
+ StreamingBufferSegment seg1;
+ StreamingBufferAppend(sb, &seg1, (const uint8_t *)"ABCDEFGH", 8);
+ StreamingBufferSegment seg2;
+ StreamingBufferInsertAt(sb, &seg2, (const uint8_t *)"01234567", 8, 14);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 22);
+ FAIL_IF(seg1.stream_offset != 0);
+ FAIL_IF(seg2.stream_offset != 14);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+
+ StreamingBufferSegment seg3;
+ StreamingBufferInsertAt(sb, &seg3, (const uint8_t *)"QWERTY", 6, 8);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 22);
+ FAIL_IF(seg3.stream_offset != 8);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+
+ /* far ahead of curve: */
+ StreamingBufferSegment seg4;
+ StreamingBufferInsertAt(sb, &seg4, (const uint8_t *)"XYZ", 3, 124);
+ FAIL_IF(sb->stream_offset != 0);
+ FAIL_IF(sb->buf_offset != 127);
+ FAIL_IF(sb->buf_size != 128);
+ FAIL_IF(seg4.stream_offset != 124);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg3));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(sb,&seg4));
+ Dump(sb);
+ DumpSegment(sb, &seg1);
+ DumpSegment(sb, &seg2);
+ DumpSegment(sb, &seg3);
+ DumpSegment(sb, &seg4);
+
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,&seg1,(const uint8_t *)"ABCDEFGH", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,&seg2,(const uint8_t *)"01234567", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,&seg3,(const uint8_t *)"QWERTY", 6));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(sb,&seg4,(const uint8_t *)"XYZ", 3));
+
+ StreamingBufferFree(sb);
+ PASS;
+}
+
+static int StreamingBufferTest05(void)
+{
+ StreamingBufferConfig cfg = { STREAMING_BUFFER_AUTOSLIDE, 8, 32, NULL, NULL, NULL, NULL };
+ StreamingBuffer sb = STREAMING_BUFFER_INITIALIZER(&cfg);
+
+ StreamingBufferSegment *seg1 = StreamingBufferAppendRaw(&sb, (const uint8_t *)"AAAAAAAA", 8);
+ StreamingBufferSegment *seg2 = StreamingBufferAppendRaw(&sb, (const uint8_t *)"BBBBBBBB", 8);
+ StreamingBufferSegment *seg3 = StreamingBufferAppendRaw(&sb, (const uint8_t *)"CCCCCCCC", 8);
+ StreamingBufferSegment *seg4 = StreamingBufferAppendRaw(&sb, (const uint8_t *)"DDDDDDDD", 8);
+ FAIL_IF(sb.stream_offset != 0);
+ FAIL_IF(sb.buf_offset != 32);
+ FAIL_IF(seg1->stream_offset != 0);
+ FAIL_IF(seg2->stream_offset != 8);
+ FAIL_IF(seg3->stream_offset != 16);
+ FAIL_IF(seg4->stream_offset != 24);
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(&sb,seg1));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(&sb,seg2));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(&sb,seg3));
+ FAIL_IF(StreamingBufferSegmentIsBeforeWindow(&sb,seg4));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(&sb,seg1,(const uint8_t *)"AAAAAAAA", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(&sb,seg2,(const uint8_t *)"BBBBBBBB", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(&sb,seg3,(const uint8_t *)"CCCCCCCC", 8));
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(&sb,seg4,(const uint8_t *)"DDDDDDDD", 8));
+ Dump(&sb);
+ StreamingBufferSegment *seg5 = StreamingBufferAppendRaw(&sb, (const uint8_t *)"EEEEEEEE", 8);
+ FAIL_IF(!StreamingBufferSegmentCompareRawData(&sb,seg5,(const uint8_t *)"EEEEEEEE", 8));
+ Dump(&sb);
+
+ SCFree(seg1);
+ SCFree(seg2);
+ SCFree(seg3);
+ SCFree(seg4);
+ SCFree(seg5);
+ StreamingBufferClear(&sb);
+ PASS;
+}
+#endif
+
+void StreamingBufferRegisterTests(void)
+{
+#ifdef UNITTESTS
+ UtRegisterTest("StreamingBufferTest01", StreamingBufferTest01);
+ UtRegisterTest("StreamingBufferTest02", StreamingBufferTest02);
+ UtRegisterTest("StreamingBufferTest03", StreamingBufferTest03);
+ UtRegisterTest("StreamingBufferTest04", StreamingBufferTest04);
+ UtRegisterTest("StreamingBufferTest05", StreamingBufferTest05);
+#endif
+}
projects / thirdparty / suricata.git / commitdiff
