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Check that writing to destination file actually occurs in
_alpm_copyfile. Required adding a new error (PM_ERR_WRITE)
as none of the others appeared appropriate.
Prevents compiler warning when using -D_FORTIFY_SOURCE=2.
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Follow the HACKING guidelines and always use != 0 or == 0 rather
than negation within conditional statements to improve clarity.
Most of these are !strcmp usages which is the example of what not
to do in the HACKING document.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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This implements FS#15198. The idea apparently came from Csaba Henk
<csaba-ml <at> creo.hu> which submitted a patch to Frugalware, so thanks to
him, even though I did not look at the code :)
The idea is to only extract folders for new packages into the package
database and clean up the old directories. This is essentially implementing
Xyne's "rebase" script within pacman.
If using -Syy, just remove and extract everything.
If using -Sy :
1. Generate list of directories in DB
2. Generate list of directories in archive
3. Compare both
4. Clean up old directories
5. Extract new directories
Original-work-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
[Dan: fix compile error, s/int/size_t/]
Signed-off-by: Dan McGee <dan@archlinux.org>
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* It makes the code clearer to read/understand
* Cppcheck tool doesn't show this anymore: [./util.c:215]: (error) Resource leak: fd
[Dan: don't change the coding style]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Thanks to Laszlo Papp <djszapi@archlinux.us> for the following catch:
opendir(path)) == (DIR *)-1;
is maybe the result of misunderstanding the manpage. If an opendir() call
isn't successful it returns NULL rather than '(DIR *)-1'.
Noticed-by: Laszlo Papp <djszapi@archlinux.us>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Add support to extract a list of entries
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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See http://www.nabble.com/-PATCH-RFA--Distinguish-between-EOF-and-character-with-value-0xff-td23161772.html#a23188494
cygwin 1.7 actually displays a warning when using signed char with the ctype
function, so that compilation fails when using -Wall -Werror.
So we just cast all arguments to unsigned char.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were doing a lot of manual work; leverage the standard library a bit to
do more for us.
Signed-off-by: Dan McGee <dan@archlinux.org>
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After our recent screwup with size_t and ssize_t in the download code, I
found the `-Wsign-conversion` flag to GCC to see if we were doing anything
else boneheaded. I didn't find anything quite as bad, but we did have some
goofups- most of our public unsigned methods would return -1 on error, which
is a bit odd in an unsigned context.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This function is unused since commit
358cc5804a2df873180e6d9ef2420ab3247f8437.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
[Dan: also kill from util.h]
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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If /sbin is not in the PATH and sudo is used, ldconfig cannot be found. So
use /sbin/ldconfig instead. The code checked for the existence of
/sbin/ldconfig anyway..
Signed-off-by: Marc - A. Dahlhaus <mad@wol.de>
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This fixes FS#15294.
The code to run a command inside a chroot was refactored from the
_alpm_runscriptlet function to _alpm_run_chroot.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Instead of appending the prefix to each entry name, we can chdir to the
prefix before extracting, and restoring when it is done.
This seems to work better with the strange and special case of FS#12148
where an archive contained the "./" entry.
Signed-off-by: Xavier Chantry <shiningxc@gmail.com>
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This patch fixes FS#12148 ('unstable' regular file).
I also changed the other archive_entry_set_mode usage in add.c to
archive_entry_set_perm.
Since I cannot find any relevant info in libarchive manual, I quote
Tim Kientzle (the author of libarchive) here, and I say thank you for
his help.
*** Tim Kientzle wrote *************************************
This is the problem in libalpm/util.c:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_mode(entry, 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_mode(entry, 0755);
327 }
Your example unstable.db.tar.gz is not empty. It has
one entry in it, called "./". That entry is marked
as a directory. But, when you call archive_entry_set_mode(),
you are changing the file type! archive_read_extract()
then creates the file /var/unstable as you requested.
(archive_read_extract() will replace an empty directory
with a file.)
You should either set the mode value correctly:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_mode(entry, IFREG | 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_mode(entry, IFDIR | 0755);
327 }
Or use archive_entry_set_perm(), which does not change
the file type:
323 if(S_ISREG(st->st_mode)) {
324 archive_entry_set_perm(entry, 0644);
325 } else if(S_ISDIR(st->st_mode)) {
326 archive_entry_set_perm(entry, 0755);
327 }
************************************************************
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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alpm_dep_compute_string
This patch introduces the following function name convention:
_compute_ in function name: the return value must be freed.
_get_ in function name: the return value must not be freed.
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This is the first step in being able to automatically remove phantom
lock files.
Signed-off-by: Allan McRae <allan@archlinux.org>
[Dan: fix compilation warnings]
Signed-off-by: Dan McGee <dan@archlinux.org>
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It is possible to throw EINTR from a system call such as open(), close(), or
waitpid() if custom signal handlers are set up and they are not initialized
with the SA_RESTART flag. This was noticed by Andreas Radke when ^C (SIGINT)
was given during the call to waitpid(), causing it to throw the EINTR error
and we could not accommodate it.
Simply wrap these calls in a simple loop that allows us to retry the call if
interrupted.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Probably a tweakable "lockdb-retry" option was planned which is not
implemented. (Now it should be implemented in front-end.)
So now this variable was unused and caused a small memleak.
(FREE(dir) was not reached in case of error.)
Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Due to differences in handling va_list between i686 and x86_64, this bug
can only be seen on x86_64. va_list usage is not allowed but we had been
getting away with it. See
http://lists.opensuse.org/opensuse-programming/2008-02/msg00005.html
for details and explanation.
This fixes FS#11096.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Our internal vercmp function was the only user of this, and it no longer
relies on it.
Signed-off-by: Dan McGee <dan@archlinux.org>
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We were using the stat() system call in quite a few places when we didn't
actually need anything the stat struct returned- we were simply checking for
file existence. access() will be more efficient in those cases.
Before (strace pacman -Ss pacman):
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
33.16 0.005987 0 19016 stat64
After:
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
34.85 0.003863 0 12633 1 access
7.95 0.000881 0 6391 7 stat64
Signed-off-by: Dan McGee <dan@archlinux.org>
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Glad we have so many developers using this as their native architecture.
int/size_t issue here.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The start of a few commits to remove some PATH_MAX usage from our code. Use
a dynamically allocated string instead.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Rework to use a single #define for the buffsize, and in the process clean up
some other code and double the default buffer size.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Using the graph structures that Nagy set up for dependency sorting, we now
do a similar process for deltas. Load up all of the deltas into a graph
object on which we can then apply Dijkstra's algorithm, using the new weight
field of graph struct.
We initialize the nodes weight using the base files that we can use in our
filecache (both filename and md5sum must match). The algorithm then picks
the best path among those that can be resolved.
Note that this algorithm has a few advantages over the old one:
1. It is completely file agnostic. These delta chains do not have to consist
of package files- this could be adopted to do delta-fied DBs.
2. It does not use the local_db anymore, or even care if a package or file
is currently installed. Instead, it only looks in the filecache for files
and packages that match delta chain entries.
Original-work-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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Signed-off-by: K. Piche <kevin@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Remove unused error codes, begin refactoring some of the others.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This crude function allows reading from an archive on a line-by-line basis
similar to the familiar fgets() call on a FILE stream. This is the first
step in being able to read DB entries straight from an archive.
Signed-off-by: Dan McGee <dan@archlinux.org>
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test_delta_md5sum and test_pkg_md5sum were simple wrappers to test_md5sum,
and only used once, so not very useful. I removed them.
Also, test_md5sum and alpm_pkg_checkmd5sum functions were a bit duplicated,
so I refactored them with a new _alpm_test_md5sum function in libalpm/util.c
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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[Xav: removed unneeded makepath_internal function, and fixed the permission
value : 1777 -> 01777]
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Fix for FS#9176.
A previous commit (6e8daa553bbd5) already forced all database files to 644.
Now the directories are also forced to 755.
Additionally, repo-add now sets the umask to 022, just like makepkg does, to
fix the problem at its root.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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For example, if the cachedir is a broken symlink or a non writable
directory, pacman fallbacks to /tmp/. Just before doing that, it freed the
handle->cachedirs list twice !
once in _alpm_filecache_setup, and once in alpm_option_set_cachedirs. So the
first one was removed.
Fixes FS#9186.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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By attempting to stat the cachedir when we load the pacman config, pacman
bails out if it is a non-existant directory, even if it will never be
needed. This is unfortunate as it is only used for sync transactions anyway.
Instead, wait until we need it in _alpm_filecache_setup to actually do
anything.
Reported as FS#9096.
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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If _alpm_unpack has a specific file to extract (not NULL), but doesn't find
it, it'll now return 1, for indicating the failure.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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In the case of a packaging error where install or changelog had bad permissions,
pacman respected the original permissions without trying to fix it - this means
that some operations (changelog) artificially required root permissions to run
In addition, minor function housekeeping on _alpm_unpack
Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>
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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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Legacy code is hitting the trash here. Remove unnecessary _alpm_time2string
time storage abstraction in favor of just writing the time_t value to the
disk.
The only drawback is that everyone's sync DBs will have to be updated at
least once so that the lastupdate values are stored right. :)
Signed-off-by: Dan McGee <dan@archlinux.org>
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Commit b55abdce7aebb142ce79da3aa3645afe7693a3c4 introduced an lstat wrapper
function that never dereferences paths with a trailing slash, but still
called lstat on path instead of newpath. Oops!
Signed-off-by: Dan McGee <dan@archlinux.org>
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This way, _alpm_logaction behaves like _alpm_log, and gives more control.
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
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Linux lstat follows POSIX standards and dereferences a symlink pointing
to a directory if there is a trailing slash. For purposes of libalpm, we
don't want this so make a lstat wrapper that suppresses this behavior.
Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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installdate should never be present in a package descfile, so get rid of it.
With the last commit, we also don't need the util strtoupper function.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This allows us to remove the hack in the frontend where we added a newline
to everything coming out of the pm_printf functions, and instead let the
developer put newlines where they want them. This should be the last hangover
of that auto-newline stuff.
Signed-off-by: Dan McGee <dan@archlinux.org>
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