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153 commits

Author SHA1 Message Date
ckolivas f225f9f173 Move to c99 in preparation for pedantic warning compatibility. 2012-03-07 12:42:42 +11:00
Carlo Alberto Ferraris 81f89fe4ca silly cosmetic change 2011-12-05 15:23:54 +01:00
Con Kolivas d9fb70bffc Fixes. 2011-09-16 23:06:17 +10:00
Con Kolivas 18105bbf7c Merge branch 'master' into liblrzip 
Conflicts:
	lrzip.c
 2011-09-16 22:55:34 +10:00
Con Kolivas 00700c1d42 Change permission and owner warning to verbose logging only instead of error. 2011-09-16 21:14:21 +10:00
discomfitor 3316dd5505 remove trailing whitespace 2011-08-17 20:59:41 +10:00
discomfitor 949c6d7a97 another semi-clusterfuck commit: *new logging macros *allow compression to and from any FILE, not just stdin/stdout *update main.c to work with the above 2011-08-17 20:59:41 +10:00
discomfitor 6dd20d735b giant clusterfuck commit: *add and use alloca/strdupa in some spots *implement return values on almost every function *free() is now a macro which also nulls the freed pointer *when in 'library mode', fatal_exit() will not be called *fatal()/failure() are now macros which add line number and file for logging *all occurrences of fatal/failure in files other than main.c are now wrapped to use a logging callback (if specified) and then return *functions now clean up resources on returning with an error 2011-08-17 20:59:40 +10:00
discomfitor 133b201867 move more code out of main.c, allocate outfile suffix 2011-08-17 20:59:40 +10:00
discomfitor 08d2294e5e add password callback hook 2011-08-17 20:59:40 +10:00
discomfitor cbff8faef7 move liblrzip.h contents to lrzip_private.h global variables----- 2011-08-17 20:59:40 +10:00
discomfitor cfd6915b20 move some initialization stuff out of main() 2011-08-17 20:59:40 +10:00
discomfitor 59f10b2c9c move functions+defines out of main.c 2011-08-17 20:59:40 +10:00
Con Kolivas b85d08a9ec Don't set executable bit in unknown permission circumstances. 2011-05-08 01:28:34 +10:00
Con Kolivas 1ea75154d6 Silence compiler warnings. 2011-05-08 00:05:46 +10:00
Con Kolivas 542c1637b2 Cope with zero byte older files in get fileinfo. 2011-05-07 23:58:38 +10:00
Con Kolivas aca5123d72 Support zero byte sized pre 0.6 archives by setting the eof flag always. 2011-05-07 23:36:55 +10:00
Con Kolivas 55dc9b0095 Fix the arbitrary lower limit of 128 bytes by compressing zeroes beyond the size of the chunk. 
Put special case management of zero sized files.
Modify the percentage calculation to be able to cope with small numbers and zeroes.
 2011-05-07 18:37:25 +10:00
Jari Aalto 476dce3e66 lrzip.c: (get_magic): Fix spelling mistake 2011-04-21 20:01:48 +03:00
ckolivas 127a101b14 Disable md5 checking on apple for now till someone fixes it. 2011-04-13 14:50:26 +10:00
Con Kolivas f81f8c68c7 Fixes to make lrzip compile on cygwin courtesy of Тулебаев Салават . 2011-04-11 21:51:53 +10:00
Con Kolivas 920ad9251d Make open use mode 0777 since it will already be & ~umask it will preserve the default permissions. 
Don't try to copy permissions from STDIN.
 2011-04-10 11:03:45 +10:00
Con Kolivas 915edb78a2 Remove unused variables and functions. 2011-03-23 08:16:07 +11:00
Con Kolivas b27e1df879 Revert "Modify the file format to not include rzip chunk size except for STDOUT chunked files thus decreasing the file format size further." 
This reverts commit 131d4c92c2.

Breaks STDIN/OUT so revert this change and cope with the slightly extra file size on non-chunked files.
 2011-03-23 07:59:04 +11:00
Con Kolivas 8077412ee5 Allow files with non-standard extensions to be tested or decompressed if they actually exist. 
Don't allow a suffix if an actual output filename has been specified.
Convert ints to chars when they can be.
 2011-03-23 01:51:40 +11:00
Con Kolivas 74f7b3deb6 Cope with trying to force when write bit is disabled and use mode 0600 instead of 0666. 
Patch by Serge Belyshev.
 2011-03-23 00:42:58 +11:00
Con Kolivas 70e7866271 Include arpa/inet.h for those OSs that have endian details elsewhere. 2011-03-22 21:47:24 +11:00
Con Kolivas a901b015bf Revert "Try endian swap on dicSize." 
This reverts commit 74b0b71e0b.

Broken crap.
 2011-03-22 20:49:51 +11:00
ckolivas 74b0b71e0b Try endian swap on dicSize. 2011-03-22 18:15:18 +11:00
Con Kolivas 131d4c92c2 Modify the file format to not include rzip chunk size except for STDOUT chunked files thus decreasing the file format size further. 2011-03-22 09:04:24 +11:00
Con Kolivas 7101372167 memcpy is a silly way to set that variable which may be different size. 2011-03-22 08:19:21 +11:00
Con Kolivas 8614ede6e0 Should be doing endian change on variable, not pointer. 2011-03-22 08:03:05 +11:00
Con Kolivas 2736118f82 Check for different endian.h includes and variants of le32toh. 2011-03-22 07:57:32 +11:00
Con Kolivas a30efcaa55 Portable generic byteswap for BE. 2011-03-22 00:13:29 +11:00
Con Kolivas dfcce76594 BE #7 fixes. 2011-03-21 21:35:25 +11:00
Con Kolivas 8c8f5bdd48 lrz_crypt tweaks courtesy of Serge Belyshev. 2011-03-21 20:54:53 +11:00
Con Kolivas 738cde54ed More BE fixes. 2011-03-20 22:31:38 +11:00
Con Kolivas f87528d14d Forgot to include salt length for next head. 2011-03-20 17:01:33 +11:00
Con Kolivas 30b70dc884 Fixes for non little endian machines. 2011-03-20 16:16:38 +11:00
Con Kolivas 0dad7dcc5a Modify the encrypted version to not write down the rzip chunk size, then keep track of where each block header is written, go back and write 8 bytes of salt before it and encrypt the headers in place. 2011-03-20 15:45:44 +11:00
Con Kolivas 0b1db75a44 Cleanups. 2011-03-19 13:53:43 +11:00
Con Kolivas b11b5a0b5d Need to memset magic to zero to prevent garbage beign written to fields not written. 2011-03-19 01:16:21 +11:00
Con Kolivas 63fb1bafea Modify the file format further to make all block header information only encode the number of bytes determined in chunk_bytes instead of 8 full bytes all the time. 2011-03-18 23:18:36 +11:00
ckolivas 5005c2dff5 Get rid of extra data in new header and stick to old header size, compacting extra info into existing space. 2011-03-18 17:32:47 +11:00
ckolivas b8d8ecfe33 Fix warnings. 
Patch ~ by Serge Belyshev.
 2011-03-18 10:37:09 +11:00
ckolivas e856d481bf Discard hash_iv entirely, using passphrase hash and centralise key generation. 
Patch by Serge Belyshev.
 2011-03-18 10:22:58 +11:00
Con Kolivas a3e80871c2 Add 8 bytes of random data to the start of every encrypted compressed block and use it along with 8 bytes from the stored salt to make a unique key and IV for encryption. 2011-03-18 00:06:11 +11:00
ckolivas 9049263f6f Make fd_out read/write in preparation for reading, encrypting, and then writing header data back. 2011-03-17 17:36:52 +11:00
ckolivas 7cbf870679 fdout_seekto will not always be seeking to zero. 2011-03-17 17:25:23 +11:00
ckolivas e78069c0d7 Consolidate magic writing to be able to seek to read and encrypt block header data later. 2011-03-17 16:59:27 +11:00
ckolivas d63a9a02ff Use a separate IV for when it is sequentially updated in preparation for encrypting the headers as well. 2011-03-17 16:00:57 +11:00
ckolivas 9d496236c5 Read remainder of magic information for ver06 files when reading from STDIN. 
Refuse to decompress encrypted files from STDIN as well.
 2011-03-17 13:08:36 +11:00
ckolivas 0fd18f27f5 Remove redundant code and check return value of fgets. 2011-03-17 09:54:50 +11:00
Con Kolivas 4d72e6d765 Apply fixes so that ciphertext matches. Patch courtesy of Serge Belyshev. 2011-03-17 07:03:40 +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 57944b1d5c Zero, unlock and free ram more strictly. 2011-03-16 12:38:10 +11:00
Con Kolivas 7e71d8689f Put carriage returns in right place after password prompts. 2011-03-16 11:10:46 +11:00
Con Kolivas 928a0a098a Consolidate padded length throughout. 2011-03-16 10:29:16 +11:00
Con Kolivas f61632670e Encrypt the md5 value as well to make the file unidentifiable. 2011-03-16 00:29:10 +11:00
Con Kolivas bf1c1ababc Support correct seeking when doing get_fileinfo on encrypted archives. 2011-03-16 00:04:44 +11:00
Con Kolivas c5938c6a8b Implement the actual aes cbc encryption and decryption. 2011-03-15 23:52:39 +11:00
Con Kolivas acb023988f Generate sha512 hash and hash iv required to encrypt based on password, timestamp, loops and random salt. 2011-03-15 21:18:29 +11:00
Con Kolivas 412cf013c4 Implement passphrase input. 2011-03-15 16:32:32 +11:00
Con Kolivas 202d972a6c Add encryption -e option and flag encryption with a control flag, removing encrypt field. 2011-03-15 15:04:58 +11:00
Con Kolivas 65f901a83c Get the seconds, salt and encryption loop data before compressing. 
Store seconds in only 5 bytes which is enough for 400 years, leaving more room for random data.
 2011-03-15 14:41:47 +11:00
Con Kolivas 6a903eff8d Convert the usecs field to a dedicated salt one which has 6 random bytes and 2 encoded loops bytes. 2011-03-15 13:14:27 +11:00
ckolivas e26d0d1381 Clear the temporary infile where possible as well when we have falen back to it. 2011-03-15 11:27:07 +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
ckolivas fca5d4232c Refuse to perform file info from STDIN. 2011-03-15 09:56:45 +11:00
Con Kolivas 8a83741c32 Clear tmpinbuf between chunks. 2011-03-14 22:03:13 +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 91b8382214 Read magic specially when decompressing from STDIN. 2011-03-14 18:16:14 +11:00
Con Kolivas d56c826725 Add fd_in field to struct rzip_control. 2011-03-14 14:58:41 +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 dc360b52dc Update message when dumping buffer and make it maxverbose only. 2011-03-14 12:54:40 +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 aeefba2190 Allocate slightly more so we can cope when the buffer overflows and fall back to a real temporary file. 2011-03-14 11:37:56 +11:00
Con Kolivas 19ef7298c8 Cast fstat values to i64 to prevent 32 bit overflows. 2011-03-14 10:21:10 +11:00
Con Kolivas e138fa77ff Use temporary files for now with TEST_ONLY mode. 2011-03-14 10:19:53 +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 e0a0e6b277 Whitespace fix. 2011-03-13 18:13:46 +11:00
Con Kolivas fe0416be9d Fix whitespace indentation. 2011-03-13 18:12:05 +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 a023420cdc Make get_filefinfo read over whole file to get uncompressed size for when it's not known due to being a stdout chunked file. 
Don't display microseconds in information as it will be removed.
 2011-03-13 17:31:30 +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 823a51cc74 Move const one_g to correct place. 2011-03-12 22:50:40 +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 1397c0f832 Create custom "loop count" system to determine how many times to hash a password when encrypting based on the datestamp. 
This data will be stored as a 2 byte entry in the header in the future (b1 and b2).
 2011-03-12 20:31:56 +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 885c6b327f Add storage time display if it exists in maxverbose info. 2011-03-12 11:55:15 +11:00
Con Kolivas 6642955375 Update magic header info. It turns out I can't add. 
Fix fileinfo to be able to read version 0.6x files.
 2011-03-12 11:40:51 +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 d87df4f44e Store the file size as zero when the magic header will be written before the size is known. 2011-03-11 23:45:22 +11:00
Con Kolivas a10d423596 Write/read new magic header and fix version number in configure.ac 2011-03-11 23:29:56 +11:00
Con Kolivas 9bd7468465 Fix fileinfo output for versions < 0.5. 2011-03-11 21:46:23 +11:00
Con Kolivas 64ca85120c Add chunk_byte reading to information output. 2011-03-11 21:26:42 +11:00