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123 commits

Author SHA1 Message Date
Con Kolivas a7468ce6e4 Fail if block to encrypt ends up being less than one full block for now, and tidy up code. 2011-03-16 23:13:09 +11:00
Con Kolivas c41cfe9e83 Some decompression code needs more room so simply allocate u_len for s_buf. 2011-03-16 21:48:21 +11:00
Con Kolivas 5fd7c82e1f Implement ciphertext stealing to not have to pad compressed blocks courtesy of Serge Belyshev who saved me hours of debugging thanks! 2011-03-16 21:24:05 +11:00
Con Kolivas 928a0a098a Consolidate padded length throughout. 2011-03-16 10:29:16 +11:00
Con Kolivas bedea4dbec Consolidate cbc padding into a macro. 2011-03-16 10:17:48 +11:00
Con Kolivas ddcc45ebf0 Revert "aes_crypt_cbc always returns zero so ignore its return value." 
This reverts commit 4314970b0d.

Oops, it can return invalid length.
 2011-03-16 10:00:20 +11:00
Con Kolivas 2d2a9bc1e9 We're freeing the wrong buffer by mistake should decompression fail. 2011-03-16 09:50:30 +11:00
Con Kolivas 4314970b0d aes_crypt_cbc always returns zero so ignore its return value. 2011-03-16 08:39:05 +11:00
Con Kolivas 519123966a total_read field is no longer used. 2011-03-16 08:32:16 +11:00
Con Kolivas 5da0633893 aes_crypt_cbc will allow you to work on the same buffer, so don't bother allocating a separate buffer. 
Allocate slightly more on the buffer that might be used for encryption rather than reallocing.
 2011-03-16 00:46:39 +11:00
Con Kolivas c5938c6a8b Implement the actual aes cbc encryption and decryption. 2011-03-15 23:52:39 +11:00
ckolivas 65a681a254 Relative offset is not required in tmp inbuf, it can be safely zeroed. 2011-03-15 11:21:26 +11:00
Con Kolivas 3a8c0b6689 Remove seeks that aren't required and don't work on tmp input buffers. 
Clean up open_stream_in.
 2011-03-14 21:51:27 +11:00
Con Kolivas c832e80085 More infrastructure to read from temporary buffers on stdin decompression. 2011-03-14 21:19:57 +11:00
Con Kolivas 36e09f206e Begin massive read changes to support using temporary file for STDIN. 2011-03-14 20:22:45 +11:00
Con Kolivas 684959efed Add fields for temporary input buffer and clamp memory accordingly in preparation. 2011-03-14 14:47:26 +11:00
Con Kolivas 5f7a03932b Calculate the total expected size progressively and show it when it's not known. 2011-03-14 13:32:36 +11:00
Con Kolivas 9e772d3140 Make ALL decompression use temporary in-ram buffer whenever possible. 2011-03-14 12:48:40 +11:00
Con Kolivas 27d7c2a031 Tidy. 2011-03-14 12:23:12 +11:00
Con Kolivas 0fe3213a47 Write to physical files if we cannot fit the decompression in ram. 2011-03-14 12:15:54 +11:00
Con Kolivas 37009e2ac5 Make sure to read on an fd if that's what we're supposed to be doing. 2011-03-14 11:25:04 +11:00
Con Kolivas b644240152 write_1g always uses control->fd_out so don't pass fd to it. 2011-03-14 11:15:35 +11:00
Con Kolivas 4a6fa7602f Begin decompressing to stdout via temporary buffer by creating a read/write wrapper. 2011-03-14 10:07:51 +11:00
Con Kolivas f2ddd9022c Ignore the eof flag if the file size is known. 2011-03-13 21:31:03 +11:00
Con Kolivas 8756fe91e2 Enable decompression when file has been chunked stdout and display progress only when expected size is known. 2011-03-13 17:52:23 +11:00
Con Kolivas 6d0ac95170 Remove extra locking that does nothing. 2011-03-13 12:12:37 +11:00
Con Kolivas 6ac74aa9f0 Create a flag to know when the temporary output buffer is in use, in preparation for when we use it on decompression. 2011-03-13 08:34:06 +11:00
Con Kolivas 2f87f62696 Make the tmp out buf slightly larger to account for incompressible data, and check for buffer overflows. 2011-03-13 08:16:46 +11:00
Con Kolivas 11ea12d3ce Forgot to test for TEST_ONLY. 2011-03-12 23:07:52 +11:00
Con Kolivas d067a6ea9e Implement the real workings of writing to a temporary buffer before flushing to stdout. 2011-03-12 22:46:57 +11:00
Con Kolivas 7fbec0a783 Prepare to write compressed output by flushing stdout after each chunk is compressed. 2011-03-12 19:56:08 +11:00
Con Kolivas c75a50f723 Being modifying write_1g function to be able to write to a temporary buffer instead of straight to fd_out. 
Split out make_magic to be able to write magic wherever we want later.
 2011-03-12 14:13:28 +11:00
Con Kolivas 9444441d51 Modify maximum ram usable when stdout is being used in preparation for temporary in-ram file during stdout and fix summary shown and 32 bit limits. 2011-03-12 12:19:02 +11:00
Con Kolivas fe68b9a3f7 Institute writing and reading of 0.6 file format for compress/decompress. 2011-03-12 11:17:11 +11:00
Con Kolivas 3a00735c24 Fix locking. 
Patch by <mike@zentific.com>
 2011-03-11 12:29:27 +11:00
Con Kolivas a8dcecd721 fix-undefined-mutex-behavior-rename-stream-variable. 
Patch by <mike@zentific.com>
 2011-03-11 08:35:15 +11:00
Con Kolivas 643054ae22 Fix threading errors. 
Patch by <mike@zentific.com>
 2011-03-11 08:33:35 +11:00
Con Kolivas fb2de8cb35 Remove unused offset variable. 2011-03-09 13:33:53 +11:00
Con Kolivas 1b965167ff Remove unused offset variable. 2011-03-09 13:30:20 +11:00
Con Kolivas 11052f56f3 Ignore the lzo_1 return value entirely. 2011-03-09 13:25:33 +11:00
Con Kolivas 2db75fe408 Get rid of trailing whitespace 2011-03-09 08:50:46 +11:00
Con Kolivas 1a7c409e10 header-mangling-part-X-move-all-headers-defines-into 2011-03-09 08:37:26 +11:00
Con Kolivas 99c3ea2ab9 header-mangling-part-3-remove-ugly-hacks-for-liblrzi 2011-03-09 08:36:07 +11:00
Con Kolivas 1511c27aad header-mangling-part-2-move-all-function-prototypes 2011-03-09 08:34:44 +11:00
Con Kolivas f6f0a25ef6 rebase-of-function-split-and-control-additions-to-fu 2011-03-09 08:32:14 +11:00
Con Kolivas 38eca38743 Unify maxram allocation and limit threads when there isn't enough ram. 2011-03-07 13:23:14 +11:00
Con Kolivas 3433438a8e Structs in stream.c can be static. 2011-02-26 20:11:43 +11:00
ckolivas f9f880908c Remove the slightly fragile exponential growth buffer size. 
It was only speeding up compression a small amount, yet adversely affected compression and would segfault due to the size not being consistent on successive passes.
 2011-02-25 10:10:22 +11:00
Con Kolivas dcf62d11a0 Make sure not to make the bufsize larger than the limit. 
Drop the page rounding since it is of no demonstrable benefit but adds complexity.
 2011-02-24 12:20:06 +11:00
Con Kolivas 22ae326d01 Make it always clear that a failure to allocate a buffer has occurred on compression. 2011-02-24 11:52:30 +11:00