+ uint32_t comp_magic, comp_len;
+ uint16_t comp_level, comp_version;
+#ifdef HAVE_LZO
+ lzo_uint compress_len;
+ const unsigned char *cbuf;
+ int r, real_compress_len;
+#endif
+
+ /* read compress header */
+ unser_declare;
+ unser_begin(*data, sizeof(comp_stream_header));
+ unser_uint32(comp_magic);
+ unser_uint32(comp_len);
+ unser_uint16(comp_level);
+ unser_uint16(comp_version);
+ Dmsg4(200, "Compressed data stream found: magic=0x%x, len=%d, level=%d, ver=0x%x\n", comp_magic, comp_len,
+ comp_level, comp_version);
+
+ /* version check */
+ if (comp_version != COMP_HEAD_VERSION) {
+ Qmsg(jcr, M_ERROR, 0, _("Compressed header version error. version=0x%x\n"), comp_version);
+ return false;
+ }
+ /* size check */
+ if (comp_len + sizeof(comp_stream_header) != *length) {
+ Qmsg(jcr, M_ERROR, 0, _("Compressed header size error. comp_len=%d, msglen=%d\n"),
+ comp_len, *length);
+ return false;
+ }
+ switch(comp_magic) {
+#ifdef HAVE_LZO
+ case COMPRESS_LZO1X:
+ compress_len = jcr->compress_buf_size;
+ cbuf = (const unsigned char*)*data + sizeof(comp_stream_header);
+ real_compress_len = *length - sizeof(comp_stream_header);
+ Dmsg2(200, "Comp_len=%d msglen=%d\n", compress_len, *length);
+ while ((r=lzo1x_decompress_safe(cbuf, real_compress_len,
+ (unsigned char *)jcr->compress_buf, &compress_len, NULL)) == LZO_E_OUTPUT_OVERRUN)
+ {
+ /*
+ * The buffer size is too small, try with a bigger one
+ */
+ compress_len = jcr->compress_buf_size = jcr->compress_buf_size + (jcr->compress_buf_size >> 1);
+ Dmsg2(200, "Comp_len=%d msglen=%d\n", compress_len, *length);
+ jcr->compress_buf = check_pool_memory_size(jcr->compress_buf,
+ compress_len);
+ }
+ if (r != LZO_E_OK) {
+ Qmsg(jcr, M_ERROR, 0, _("LZO uncompression error on file %s. ERR=%d\n"),
+ jcr->last_fname, r);
+ return false;
+ }
+ *data = jcr->compress_buf;
+ *length = compress_len;
+ Dmsg2(200, "Write uncompressed %d bytes, total before write=%s\n", compress_len, edit_uint64(jcr->JobBytes, ec1));
+ return true;
+#endif
+ default:
+ Qmsg(jcr, M_ERROR, 0, _("Compression algorithm 0x%x found, but not supported!\n"), comp_magic);
+ return false;
+ }
+ } else {
+#ifdef HAVE_LIBZ
+ uLong compress_len;
+ int stat;
+
+ /*
+ * NOTE! We only use uLong and Byte because they are
+ * needed by the zlib routines, they should not otherwise
+ * be used in Bacula.
projects / bacula / bacula / blobdiff