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Add a --with-nettle configure option that directs pacman to use the libnettle
hashing functions. Only one of the --with-libssl and --with-nettle configure
options can be specified.
[Allan: rewrote configure check]
Signed-off-by: Allan McRae <allan@archlinux.org>
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This was included due to use of PolarSSL's implementation for our internal
SHA2 support. As our internal checksum calculations are now removed, we
can also remove this unused code path.
Signed-off-by: Allan McRae <allan@archlinux.org>
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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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The value EAGAIN is allowed by POSIX to be the same as EWOULDBLOCK, but this is
not guaranteed. Thus on some systems (e.g. glibc Linux), we get a warning that
the logical OR is being performed on two expressions of the same type. We can
not get rid of this test in case any system defines these as unique values.
Suggested-by: Dave Reisner
Signed-off-by: Allan McRae <allan@archlinux.org>
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Commit e374e6829cea3512f0b4a4069c5a6168f0f8d8a0 closed stdin before
running scripts/hooks. This left the exec'd process with no file
descriptor 0. If the process subsequently opened a file it would be
assigned fd 0, and could potentially be confused for stdin. Connecting
and immediately closing the parent2child pipe ensures that the child has
an fd 0 and that it is empty.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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make update-copyright OLD=2015 NEW=2016
Signed-off-by: Allan McRae <allan@archlinux.org>
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Removes a leftover error message from when fdopen and fgets were used to
read from the pipe.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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If the script output does not end in a newline there could still be data
in the buffer after the poll loop.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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libalpm does not guarantee that script output will be presented to the
user or that stdin will be connected to a terminal. Close stdin so that
scripts do not attempt to use it for user interaction.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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It was allocating the required size rather than the calculated new size,
resulting in pathological incremental reallocations.
Signed-off-by: Daniel Micay <danielmicay@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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The read() underlying fgets() can be interrupted by a signal handler
causing fgets() to return NULL. Before we started handling SIGWINCH,
the odds of interrupting a read were low and typically resulted in
termination anyway. Replace all fgets calls with a wrapper that retries
in EINTR.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
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Instead of using two void* arguments for all events, we now send one
pointer to an alpm_event_t struct. This contains the type of event that
was triggered.
With this information, the pointer can then be typecasted to the
event-specific struct in order to get additional arguments.
Signed-off-by: Olivier Brunel <jjk@jjacky.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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These will be used in the following patches.
Signed-off-by: Florian Pritz <bluewind@xinu.at>
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Forcing vim users to view files with a tabstop of 2 seems really
unnecessary when noet is set. I find it much easier to read code with
ts=4 and I dislike having to override the modeline by hand.
Command run:
find . -type f -exec sed -i '/vim.* noet/s# ts=2 sw=2##' {} +
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Allan McRae <allan@archlinux.org>
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When calling open(), use O_CLOEXEC as much as possible to ensure the
file descriptor is closed when and if a process using libalpm forks.
For most of these cases, and especially in utility functions, the file
descriptor is opened and closed in the same function, so we don't have
too much to worry about. However, for things like the log file and
database lock file, we should ensure descriptors aren't left hanging
around for children to touch.
This patch is inspired by the problem in FS#36161, where an open file
descriptor to the current working directory prevents chroot() from
working on FreeBSD. We don't need this file descriptor in the child
process, so open it (and now several others) with O_CLOEXEC.
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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FreeBSD chroot(2) fails with EPERM when a directory file descriptor is open
with either `kern.chroot_allow_open_directories` being 0, or when the process
already is inside a chroot. This is exposed in alpm_run_chroot that uses
opendir() to open a file descriptor to the current directory before doing
the forking and chrooting. Since the file descriptor is not used in the
forked process, we close it.
Fixes FS#36161.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This commit:
-- replaces space-based indents with tabs per the coding standards
-- removes extraneous whitespace (e.g. extra spaces between function args)
-- adds missing braces for a one-line if statement
Signed-off-by: Jason St. John <jstjohn@purdue.edu>
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Fixes FS#36618.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Using setlocale in the backend is bound to lead to frontend issues
and we have have been using epoch in our databases since April 2007
(commit 47622eef). Remove support for old style times.
Signed-off-by: Allan McRae <allan@archlinux.org>
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On operating systems we support, the behavior is always such that the
kernel will do the right thing as far as invalidating the file
descriptor, regardless of the eventual return value. Therefore,
potentially looping and calling close multiple times is wrong.
At best, we call close again on an invalid FD and throw a spurious EBADF
error. At worst, we might close an FD which doesn't belong to us when a
multi-threaded application opens its own file descriptor between
iterations of the loop.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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It is now possible to invert patterns in NoExtract and NoUpgrade.
This feature allows users to whitelist certain files that were
previously blacklisted by another entry.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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We shouldn't assume a frontend program didn't explicitly set the LC_TIME
setting to a value not in the environment, which is what we previously
assumed. Save the old locale before forcing the 'C' locale and restore
it when we are done.
Signed-off-by: Dan McGee <dan@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>
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prefix defaults to "UNKOWN" if null or an empty string is provided.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
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The FHS (2.3) says having ldconfig in /sbin is optional and it is usually
located in /usr/sbin. So /sbin/ldconfig should not be hard coded in
pacman. Instead, provide a configure option --with-ldconfig that defaults
to the current path.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This reverts commit 4a8c2852a887d2b1aaa43be3071ab586eb24b9e3.
This reverts commit 993700bc6b12cd291544d2a22845f480e8a7925e.
This reverts commit bb4d2b72c1d35ab9d65d632be0dcaf00cfa7d600.
This reverts commit 60b192e3836a150eb6950ce52241efebbee00f11.
Signed-off-by: Allan McRae <allan@archlinux.org>
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The ldconfig binary is not guaranteed to be in /sbin. Change to calling
just "ldconfig" rather than using the full path.
This removed the check that the ldconfig binary exists. However, it is
a reasonable assumption that it will exist if its configuration file
does.
Signed-off-by: Allan McRae <allan@archlinux.org>
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This makes us more robust to utilities changing paths. There is no
functional change when a full path is specified.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>
Signed-off-by: Allan McRae <allan@archlinux.org>
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There is duplicated code in the util.c files in the libalpm and pacman
source code. Split this into a separate file so that it can be shared
via a symlink. This prevents code divergence between the two code bases.
Also, move mbasename and mdirname from pacman/util.c into util-common.c
in preparation for the following patch that uses them to add an extension
to pacsave files.
Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Dan McGee <dan@archlinux.org>
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74274b5dc347ba70 which added the real_line_size to the buffer struct
didn't properly account for what happens when archive_fgets has to loop
more than once to find the end of a line. In most cases, this isn't a
problem, but could potentially cause a longer line such as PGP signature
to be improperly read.
This patch fixes the oversight and focuses on only calculating the line
length when we hit the end of line marker. The effective length is then
calculated via pointer arithmetic as:
(start_of_last_read + read_length) - start_of_line
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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If known, callers can pass the line size to this function in order to
avoid an strlen call. Otherwise, they simply pass 0 and
_alpm_strip_newline will do the call instead.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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We inevitably call strlen() or similar on the line returned from
_alpm_archive_fgets(), so include the line size of the interesting line
in the struct.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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This path is rarely (read: never) taken in any normal run of the code,
so injecting the fprintf() call everywhere with the macro is a bit
overkill. Instead, add a lightweight _alpm_alloc_fail() function that
gets called instead.
This does have a reasonable effect on the size of the generated code;
most places using the macros provided by util.c have their code size
reduced.
Signed-off-by: Dan McGee <dan@archlinux.org>
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This fixes a bunch of small issues in order to enable a clean
successful build with a crazy number of GCC warning flags. A lot of
these changes are covered by -Wshadow, -Wformat-security, and
-Wstrict-overflow=5.
Signed-off-by: Dan McGee <dan@archlinux.org>
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The enum alpm_pkgvalidation_t is essentially a more generic version
of _alpm_csum, so use it instead.
Signed-off-by: Allan McRae <allan@archlinux.org>
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It seems that if we pass the permissions that we want the created
directory to have, then we should probably use it...
Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Simplify the implementation:
- allocate and manipulate a copy of the passed in path rather than
building out a path as the while loop progresses
- use simple pointer arithmetic to skip uninteresting cases
- use mkdir(3)'s return value and errno to detect failure
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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