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2011-11-01Add OPEN() and CLOSE() util macrosDan McGee1-20/+10
These wrap the normal open() and close() low-level I/O calls and ensure EINTR is handled correctly. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-11-01Merge branch 'maint'Dan McGee1-12/+8
2011-10-27Introduce ALPM_BUFFER_SIZE constantDan McGee1-12/+8
This takes the place of three previously used constants: ARCHIVE_DEFAULT_BYTES_PER_BLOCK, BUFFER_SIZE, and CPBUFSIZE. In libarchive 3.0, the first constant will be no more, so we can ensure we are forward-compatible by removing our usage of it now. The rest are unified for consistency. By default, we will use the value of BUFSIZ provided by <stdio.h>, which is 8192 on Linux. If that is undefined, a default value is provided. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-26libalpm/util: two stat() related cleanupsDan McGee1-14/+13
First, use fstat() in preference to stat() since we already have an open file handle. This also removes the need to check for a symlink as that is not possible when a file is opened. Next, use archive_entry_mode() rather than archive_entry_stat() as we only use the mode portion of the stat struct and the call is much cheaper. Also delay it until it is necessary. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-13Fix some strict 32-bit gcc warningsDan McGee1-1/+3
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-12_alpm_archive_fgets: optimize EOL searchDan McGee1-17/+17
Instead of iterating character by character, use memchr() calls to hopefully speed up the search. A newline is the most likely culprit, so search for that first followed by a NULL byte if there was no newline in the buffer. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-12Introduce alpm_time_t typeDan McGee1-6/+6
This will always be a 64-bit signed integer rather than the variable length time_t type. Dates beyond 2038 should be fully supported in the library; the frontend still lags behind because 32-bit platforms provide no localtime64() or equivalent function to convert from an epoch value to a broken down time structure. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-12_alpm_parsedate: use strtoll() to parse numeric valueDan McGee1-1/+20
This prepares the function to handle values past year 2038. The return type is still limited to 32-bits on 32-bit systems; this will be adjusted in a future patch. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-10-04Parse '0' as a valid package installed sizeDan McGee1-1/+1
This was a bad oversight on my part, pointed out by Jakob. Whoops. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-28Use the full buffer when computing md5/sha256 sumsDan McGee1-4/+6
No wonder these were slower than expected. We were only reading 4 (32-bit) or 8 (64-bit) bytes at a time and feeding it to the hash functions. Define a buffer size constant and use it correctly so we feed 8K at a time into the hashing algorithm. This cut one larger `-Sw --noconfirm` operation, with nothing to actually download so only timing integrity, from 3.3s to 1.7s. This has been broken since the original commit eba521913d6 introducing OpenSSL usage for crypto hash functions. Boy do I feel stupid. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-20Remove all usages of alpm_list_getdata() from the libraryDan McGee1-2/+2
No need for the indirection; just access ->data instead. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-19Use more efficient way of restoring working directoryDan McGee1-16/+24
Rather than using a string-based path, we can restore the working directory via a file descriptor and use of fchdir(). From the getcwd manpage: Opening the current directory (".") and calling fchdir(2) to return is usually a faster and more reliable alternative when sufficiently many file descriptors are available. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-18Ensure entire struct is zeroed in _alpm_parsedate()Dan McGee1-1/+2
Signed-off-by: Dan McGee <dan@archlinux.org> Signed-off-by: Dave Reisner <dreisner@archlinux.org>
2011-09-06avoid blowing out the filecache list when using tmpdirDave Reisner1-4/+2
_alpm_filecache_setup() destroys the list of cachedirs when it finds no writeable directories in the config. This put us in an awkward situation where _alpm_filecache_find() would locate a downloaded file in a r/o cachedir, but then fail to install it after _alpm_filecache_setup() is called (with a NULL argument). Change this behavior to merely prepend the temporary directory to the list of available cachedirs. Dan exposed it in e07547ee4ed4, as now a package can be found in a directory we may not be able to actually store packages in. Reported-by: Rémy Oudompheng <remy@archlinux.org> Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-02Former transaction callback rename refactorDan McGee1-1/+1
Put all the callback stuff in alpm.h in one spot, and make the following renames for clarity with the new structure: ALPM_TRANS_EVT_* --> ALPM_EVENT_* ALPM_TRANS_CONV_* --> ALPM_QUESTION_* ALPM_TRANS_PROGRESS_* --> ALPM_PROGRESS_* alpm_option_get_convcb() --> alpm_option_get_questioncb() alpm_option_set_convcb() --> alpm_option_set_questioncb() Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-02Move all callbacks up to the handle levelDan McGee1-1/+1
This was just disgusting before, unnecessary to limit these to only usage in a transaction. Still a lot of more room for cleanup but we'll start by attaching them to the handle rather than the transaction we may or may not even want to use these callbacks. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-09-01_alpm_parsedate(): return time_t and not longDan McGee1-2/+2
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-29Parse > 2GiB file sizes correctlyDan McGee1-0/+25
We were using atol(), which on 32 bit, cannot handle values greater than 2GiB, which is fail. Switch to a strtoull() wrapper function tailored toward parsing off_t values. This allows parsing of very large positive integer values. off_t is a signed type, but in our usages, we never parse or have a need for negative values, so the function will return -1 on error. Before: $ pacman -Si flightgear-data | grep Size Download Size : 2097152.00 K Installed Size : 2097152.00 K After: $ ./src/pacman/pacman -Si flightgear-data | grep Size Download Size : 2312592.52 KiB Installed Size : 5402896.00 KiB Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-28lib/libalpm/util.c: Fix two memory leaksLukas Fleischer1-0/+2
Free "md5sum" if md5_file() fails in alpm_compute_md5sum(). Free "sha256sum" if sha2_file() fails in alpm_compute_sha256sum(). Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-25strtrim: don't move empty stringDan McGee1-1/+6
There were many cases where the string coming in was a blank line, e.g. "\n\0", length 1. The trim routine starts by trimming leading spaces, thus trimming everything. We would then proceed to do a memmove of the NULL byte, which is completely worthless as we can just assign it instead. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-19Rework finding a writable cache directoryDan McGee1-15/+29
This is a refactor and refresh of the code used to find where we should download packages. * Incorporate suggestions from FS#25435 to use TMPDIR from the environment if set, otherwise fall back to /tmp as before. * Make the writability tests a bit more in depth. We now do a three part check consisting of: - S_ISDIR(): is this even a directory - access(W_OK): is this directory writable by the current user. Unfortunately for root, this almost always returns that it is, but in the case of a RO mount or NFS share inaccessible to root, this check will exclude the directory. - mode & (any write bit): is there a writable bit set on this directory. This makes it possible to enforce a read-only cache directory by setting permissions to 0555, for example. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-18Remove usages of alpm_list_next() in backendDan McGee1-2/+2
Another function call that can be replaced by a single pointer dereference. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-15Validate the sha256sum if availableDan McGee1-19/+26
Adjust load_internal() to check the sha256sum value if we have it. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-15Add ALPM sha256sum routinesDan McGee1-0/+80
These mirror ones we already have for md5sums. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-09Don't walk off front of string when stripping newlineDan McGee1-1/+1
If the string was zero-length to begin with, or consists of only newline characters, nothing stopped us from incrementing right off the front of the string. Ensure len stays above zero the whole time. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-08_alpm_access(): don't call gettext() in debug level loggersDan McGee1-4/+8
This is standard procedure elsewhere and cuts down on translations that won't be seen (and we don't want if we need English debug output anyway). Signed-off-by: Dan McGee <dan@archlinux.org>
2011-08-02Don't trim whitespace when reading database entriesDan McGee1-0/+20
We don't write with extra or unknown whitespace, so there is little reason for us to trim it when reading either. This also fixes the hopefully never encountered "paths that start or end with spaces" issue, for which two pactests have been added. The tests also contain other evil characters that we have encountered before and handle just fine, but it doesn't hurt to ensure we don't break such support in the future. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-07-18add _alpm_access() wrapperFlorian Pritz1-0/+47
This is a wrapper function for access() which logs some debug information and eases handling in case of split directory and filename. Signed-off-by: Florian Pritz <bluewind@xinu.at> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-07-18Handle removal of empty directories properlyDan McGee1-0/+42
This addresses FS#25141. We shouldn't remove every empty directory we come across during the removal process unless it is truly not known to any other package. This will prevent removal of essential directories such as '/var/lock/'. This is accomplished by first checking the empty/non-empty status of a directory, which was previously done implicitly by calling rmdir() and ignoring errors. We do this to avoid the next (new) check in most cases, which is to look at all local packages to see if the to-be-removed directory is present in another packages' filelist. If we do not find it anywhere, then we remove it, else we keep the file around. The pactest has been updated to test more cases, as well as finding a flaw in the original expected to fail case- we need separate DIR and FILE based EXIST rules. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-07-02Prefix _alpm_errno_t members with ALPMAllan McRae1-2/+2
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-07-02Prefix alpm_transevt_t members with ALPMAllan McRae1-1/+1
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-07-02Prefix alpm_loglevel_t members with ALPMAllan McRae1-25/+25
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-06-30Merge remote-tracking branch 'allan/breakshit'Dan McGee1-7/+7
2011-06-30lib/util: modify entry_prefix, not prefixDave Reisner1-1/+1
Modifying prefix caused tmp directories to be left behind after running scriptlets, and the path '/' to be passed to _alpm_rmrf. Broken in f01c6f. Signed-off-by: Dave Reisner <dreisner@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-28Rename pmhandle_t to alpm_handle_tAllan McRae1-7/+7
Signed-off-by: Allan McRae <allan@archlinux.org>
2011-06-27Fix several -Wshadow warningsDan McGee1-9/+9
Only one of these looked like a real red flag, in find_requiredby(), but it doesn't hurt to fix several of them up anyway. Unfortunately, we can't turn this on universally due to things like the sync(), remove(), etc. builtins which we often use as variable names. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-24Make sync DB reading a bit more flexibleDan McGee1-19/+27
We can reorganize things a bit to not require reading a directory-only entry first (or at all). This was noticed while working on some pactest improvements, but should be a good step forward anyway. Also make _alpm_splitname() a bit more generic in where it stores the data it parses. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-24archive_fgets(): ensure we return any trailing text with no newlineDan McGee1-6/+12
Discovered this when doing some pactest rewrite work to generate archives in memory only. If a sync database file or PKGINFO file is missing a newline on the final line, the text from that line gets tossed aside and never read into the package struct. This is pretty critical when that last line is a depend or something. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-20Clean up util md5sum methodDan McGee1-2/+1
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-13Switch all logging to use handle directlyDan McGee1-26/+25
This is the last user of our global handle object. Once again the diff is large but the functional changes are not. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-13Move pm_errno onto the handleDan McGee1-26/+28
This involves some serious changes and a very messy diff, unfortunately. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-09Require handle argument to all alpm_option_(get|set)_*() methodsDan McGee1-5/+7
This requires a lot of line changes, but not many functional changes as more often than not our handle variable is already available in some fashion. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-09Require handle argument to alpm_logaction()Dan McGee1-7/+7
This is the first in a series of patches to update the API to remove the implicit global handle variable. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-09_alpm_lstat: only duplicate string if necessaryDan McGee1-7/+8
The vast majority of the time we will just be passing the same string value on to the lstat() call. The only time we need to duplicate it is if the path ends in '/'. In one run using a profiler, only 400 of the 200,000 calls (0.2%) required the string to be copied first. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-07Add helper methods for setting directory optionsDan McGee1-3/+7
This keeps duplicate code to a minimum. This will come in more handy as we refactor some of these option setters away. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-03Use standard errno codes in return from _alpm_archive_fgetsDan McGee1-4/+3
This allows us to not require the context (e.g. handle) when calling this function. Also beef up the checks in the two callers of this function to bail if the last return code is not ARCHIVE_EOF, which is the expected value. This requires a change to one of the pactest return codes and the overall result of the test, but results in a much safer operating condition whereby invalid database entries will stop the operation. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-03Remove global handle from util.cDan McGee1-12/+11
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-03Push down extern handle variable to files that need itDan McGee1-0/+3
This will make the patching process less invasive as we start to remove this variable from all source files. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-06-03Remove ALPM_LOG_FUNC macroDan McGee1-6/+0
The usefulness of this is rather limited due to it not being compiled into production builds. When you do choose to see the output, it is often overwhelming and not helpful. The best bet is to use a debugger and/or well-placed fprintf() statements. Signed-off-by: Dan McGee <dan@archlinux.org>
2011-04-20Header inclusion cleanupDan McGee1-1/+0
This does touch a lot of things, and hopefully doesn't break things on other platforms, but allows us to also clean up a bunch of crud that no longer needs to be there. Signed-off-by: Dan McGee <dan@archlinux.org>
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