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The internal implementations for md5 and sha256 checksums have not been merged
from upstream sources for a long time. Instead of us carrying copies of code
from other projects, we should just support building against multiple libraries
that provide such functionality.
This patch removes the md5 and sha2 code (originally obtained from PolarSSL)
from our repository. The configure script will now error unless at least one
library supporting checksum generation is present, with the only library
currently supported being openssl. It will be relatively simple for other
such libraries (e.g. nettle) to be supported if anyone wishes to add them.
Signed-off-by: Allan McRae <allan@archlinux.org>
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A look at what this does on 64 bit systems since we were using the
unnecessarily large 'unsigned long' type before even though it was 64
bits wide:
$ ~/bin/bloat-o-meter libalpm.so.old lib/libalpm/.libs/libalpm.so
add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-10412 (-10412)
function old new delta
md5_finish 370 356 -14
sha2_finish 547 531 -16
md5_process 3762 2643 -1119
sha2_process 20356 11093 -9263
The code size is nearly halved in the sha2 case (44% smaller code size),
and md5 gets a nice size reduction (27% smaller) as well.
We also move base64 code to <stdint.h> types as well; we can use
'uint32_t' rather than 'unsigned long' for at least two variables in the
decode function. This doesn't net the same size benefit as the hash code
case, but it is more proper.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This gave at least a 10% improvement on a few tested platforms due to the
reduced number of read calls from files when computing the md5sum. It really
is just a precursor to another patch to come which is to use MD5 functions
that do the job a lot better than anything we can do.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This was mistakenly referencing the LGPL even after the XySSL code bump, so
fix the license clause to be correct.
Signed-off-by: Dan McGee <dan@archlinux.org>
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XySSL 0.9 was released; sync our code with the upstream source. Note that
there weren't any real changes besides renaming of macros, so nothing much
to see here.
The biggest change may be the licence- it is now GPL/BSD software rather
than LGPL/BSD. The license header is changed to reflect this.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Update the GPL boilerplate to direct people to the GNU website for a copy of
the license, as well as bump all of Judd's copyrights to 2007.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Run the kernel's cleanfile script on all of our source files.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The md5 routines are one of the chokepoints of libalpm (main chokepoint being
archive extraction). Although IO delay causes a lot of it, we can at least
inline some of the md5 stuff as we aren't that concerned about space and
eliminate quite a few function calls.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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* Move alpm md5 functions to lib/libalpm/util.c
* Remove unneeded includes for md5.h
* Replace md5 implementation with one from http://www.xyssl.org
Dan: clean up XySSL code by removing parts we don't use, and add a note
saying what changed.
Dan: fix alpm_get_md5sum, off by one error on the malloc call and other
small things.
Signed-off-by: Andrew Fyfe <andrew@neptune-one.net>
Signed-off-by: Dan McGee <dan@archlinux.org>
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reordering and adding ones that were forgotten (noticed when trying to
compile after reordering).
* Updated the HACKING file to include information on #include usage.
* print -> vprint in "making dir" function in pactest.
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handling changes (support [sections] to carry over to included files - this
helps with backwards compatibility with existing pacman config files)
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