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* Check return value of rename() callsDan McGee2011-08-08
| | | | | | | | | We did a good job checking this in add.c, but not necessarily anywhere else. Fix this up by adding checks into dload.c, remove.c, and conf.c in the frontend. Also add loggers where appropriate and make the message syntax more consistent. Signed-off-by: Dan McGee <dan@archlinux.org>
* absorb fileinfo struct into dload_payloadDave Reisner2011-07-05
| | | | | | This transitional struct becomes delicious noms for dload_payload. Signed-off-by: Dave Reisner <dreisner@archlinux.org>
* absorb some _alpm_download params into payload structDave Reisner2011-07-05
| | | | | | | Restore some sanity to the number of arguments passed to _alpm_download and curl_download_internal. Signed-off-by: Dave Reisner <dreisner@archlinux.org>
* lib/dload: prevent large file attacksDave Reisner2011-07-05
| | | | | | | | | | | | | | | | | | | This means creating a new struct which can pass more descriptive data from the back end sync functions to the downloader. In particular, we're interested in the download size read from the sync DB. When the remote server reports a size larger than this (via a content-length header), abort the transfer. In cases where the size is unknown, we set a hard upper limit of: * 25MiB for a sync DB * 16KiB for a signature For reference, 25MiB is more than twice the size of all of the current binary repos (with files) combined, and 16KiB is a truly gargantuan signature. Signed-off-by: Dave Reisner <dreisner@archlinux.org>
* dload: handle irregular URLsDave Reisner2011-07-05
| | | | | | | | | | | | | | | | | | | | | | URLs might end with a slash and follow redirects, or could be a generated by a script such as /getpkg.php?id=12345. In both cases, we may have a better filename that we can write to, taken from either content-disposition header, or the effective URL. Specific to the first case, we write to a temporary file of the format 'alpmtmp.XXXXXX', where XXXXXX is randomized by mkstemp(3). Since this is a randomly generated file, we cannot support resuming and the file is unlinked in the event of an interrupt. We also run into the possibility of changing out the filename from under alpm on a -U operation, so callers of _alpm_download can optionally pass a pointer to a *char to be filled in by curl_download_internal with the actual filename we wrote to. Any sync operation will pass a NULL pointer here, as we rely on specific names for packages from a mirror. Fixes FS#22645. Signed-off-by: Dave Reisner <d@falconindy.com>
* dload: rearrange code to avoid extra cpp blockDave Reisner2011-07-05
| | | | Signed-off-by: Dave Reisner <dreisner@archlinux.org>
* signing: move to new signing verification and return schemeDan McGee2011-07-05
| | | | | | | | | | | | | | | | | This gives us more granularity than the former Never/Optional/Always trifecta. The frontend still uses these values temporarily but that will be changed in a future patch. * Use 'siglevel' consistenly in method names, 'level' as variable name * The level becomes an enum bitmask value for flexibility * Signature check methods now return a array of status codes rather than a simple integer success/failure value. This allows callers to determine whether things such as an unknown signature are valid. * Specific signature error codes mostly disappear in favor of the above returned status code; pm_errno is now set only to PKG_INVALID_SIG or DB_INVALID_SIG as appropriate. Signed-off-by: Dan McGee <dan@archlinux.org>
* Merge remote-tracking branch 'allan/ALPM'Dan McGee2011-07-03
|\ | | | | | | | | | | | | | | | | | | Conflicts: lib/libalpm/be_local.c lib/libalpm/be_package.c lib/libalpm/conflict.c lib/libalpm/diskspace.c lib/libalpm/dload.c lib/libalpm/remove.c
| * Prefix _alpm_errno_t members with ALPMAllan McRae2011-07-02
| | | | | | | | Signed-off-by: Allan McRae <allan@archlinux.org>
| * Prefix alpm_loglevel_t members with ALPMAllan McRae2011-07-02
| | | | | | | | Signed-off-by: Allan McRae <allan@archlinux.org>
* | Fix debug logger without a newlineDan McGee2011-07-03
|/ | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* Fix a few warnings pointed out via clang scan-buildDan McGee2011-06-30
| | | | | | | | | Some of these are legit (the backup hash NULL checks), while others are either extemely unlikely or just impossible for the static code analysis to prove, but are worth adding anyway because they have little overhead. Signed-off-by: Dan McGee <dan@archlinux.org>
* Rename pmhandle_t to alpm_handle_tAllan McRae2011-06-28
| | | | Signed-off-by: Allan McRae <allan@archlinux.org>
* Fix several -Wshadow warningsDan McGee2011-06-27
| | | | | | | | | | 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>
* Documented _alpm_download()Kerrick Staley2011-06-20
| | | | | | | Documented the _alpm_download() function in dload.c Signed-off-by: Kerrick Staley <mail@kerrickstaley.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* Ensure handle is valid and pm_errno is reset when calling into APIDan McGee2011-06-14
| | | | | | | | | | | | | | | | | We didn't do due diligence before and ensure prior pm_errno values weren't influencing what happened in further ALPM calls. I observed one case of early setup code setting pm_errno to PM_ERR_WRONG_ARGS and that flag persisting the entire time we were calling library code. Add a new CHECK_HANDLE() macro that does two things: 1) ensures the handle variable passed to it is non-NULL and 2) clears any existing pm_errno flag set on the handle. This macro can replace many places we used the ASSERT(handle != NULL, ...) pattern before. Several other other places only need a simple 'set to zero' of the pm_errno field. Signed-off-by: Dan McGee <dan@archlinux.org>
* Switch all logging to use handle directlyDan McGee2011-06-13
| | | | | | | 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>
* Move pm_errno onto the handleDan McGee2011-06-13
| | | | | | This involves some serious changes and a very messy diff, unfortunately. Signed-off-by: Dan McGee <dan@archlinux.org>
* Require handle argument to all alpm_option_(get|set)_*() methodsDan McGee2011-06-09
| | | | | | | | 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>
* Push down extern handle variable to files that need itDan McGee2011-06-03
| | | | | | | 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>
* Remove ALPM_LOG_FUNC macroDan McGee2011-06-03
| | | | | | | | | 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>
* lib/dload.c: remove assumption in continuation logicDave Reisner2011-06-01
| | | | | | | | Callers to curl_download_internal now tell us if its okay to continue a transfer, so obey this instead of using a heuristic. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* dload: abort transfer on CURLOPT_LOW_SPEED_LIMITDave Reisner2011-06-01
| | | | | | | | | | If a connection drops below 1kb/s for 10s, curl will kill the transfer and we'll report failure. This is the average transfer speed over the delta defined by CURLOPT_LOW_SPEED_TIME, so setting a low value here shouldn't bother folks using 14.4k dial-up. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* dload: make sure we never print a bogus error bufferDan McGee2011-05-04
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* Deal with unused function parameters correctlyAllan McRae2011-05-04
| | | | | | | | | | | This started off removing the "(void)foo" hacks to work around unused function parameters and ended up fixing every warning generated by -Wunused-parameter. Dan: rename to UNUSED. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
* libalpm/dload: major refactor of signature downloadingDan McGee2011-04-22
| | | | | | | | | | | | | | | | | | There's a lot of related moving parts here: * Iteration through mirrors is moved back to the calling functions. This allows removal of _alpm_download_single_file and _alpm_download_files. * The download function gets a few more arguments to influence behavior. This allows several different scenarios to customize behavior: - database - database signature (req'd and optional) - package - package via direct URL - package signature via direct URL (req'd and optional) * For databases, we need signatures from the same mirror, so structure the code accordingly. Some-inspiration-from: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* libalpm/dload: add allow_resume and reorder error checksDan McGee2011-04-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | The allow_resume is the start of the fix to the "don't ever resume database downloads" problem, as well as being useful for '.sig' downloads as well. For now, we say "always allow resume", but this will eventually get pushed down as necessary. Error checks are reworked in order to correctly error out when a file is not found on the remote end and reports 0 bytes downloaded. In addition, the two error messages printed are now different as one reports a more specific error message provided via the cURL error buffer. Some example output from an -Sy run with [testing], [community], [community2], [eee], and [nonexistant] defined as repos. [community2] and [nonexistant] are both invalid, one using FTP and one using HTTP. :: Synchronizing package databases... testing is up to date community is up to date error: failed retrieving file 'community2.db' from ftp.archlinux.org : Given file does not exist error: failed to update community2 (FTP: couldn't retrieve (RETR failed) the specified file) eee is up to date error: failed retrieving file 'nonexistant.db' from code.toofishes.net : The requested URL returned error: 404 error: failed to update nonexistant (HTTP response code said error) Signed-off-by: Dan McGee <dan@archlinux.org>
* libalpm/dload: const and static correctnessDan McGee2011-04-22
| | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* syntax: if/while statements should have no trailing spaceDan McGee2011-04-20
| | | | | | | | | | | This is the standard, and we have had a few of these introduced lately that should not be here. Done with: find -name '*.c' | xargs sed -i -e 's#if (#if(#g' find -name '*.c' | xargs sed -i -e 's#while (#while(#g' Signed-off-by: Dan McGee <dan@archlinux.org>
* style cleanup: cast as (type *) not (type*)Dave Reisner2011-04-20
| | | | | Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* Merge branch 'maint'Dan McGee2011-04-15
|\ | | | | | | | | | | | | | | Conflicts: lib/libalpm/alpm.h lib/libalpm/trans.c Signed-off-by: Dan McGee <dan@archlinux.org>
| * Move documentation for public package function to alpm.hRémy Oudompheng2011-04-09
| |
* | dload: dont forget to initialize open_modeXavier Chantry2011-04-02
| | | | | | | | | | | | | | | | | | | | | | That's a funny one, building with optimization levels (with both gcc and clang) caused open_mode to always be set to "ab", which worked. This was spotted both with clang-analyzer, and by Jakob who reported a segfault as he was using an un-optimized build. Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload: abstract out helper function to set utimesDave Reisner2011-03-27
| | | | | | | | | | | | | | | | This greatly simplifies the cleanup fallthrough in our download function and we'll be able to reuse this for signatures. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload: remove proxy debug outputDave Reisner2011-03-27
| | | | | | | | | | Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload: code simplificationDave Reisner2011-03-27
| | | | | | | | | | | | | | | | | | Based on the fact that localf always points to the same file, there's no need to code in multiple fopen calls with varying results. Instead, track the desired file open mode and make a single call to fopen. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload: merge get_{destfile,tempfile} into get_fullpathDave Reisner2011-03-27
| | | | | | | | | | | | | | | | Create a more general function that allows appending a suffix to a filepath. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | pacman/pacman.c: fix setting of useragent stringDave Reisner2011-03-27
| | | | | | | | | | | | | | libcurl doesn't natively honor the HTTP_USER_AGENT environment variable. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload: pass a struct with filename and size to curl_progressDave Reisner2011-03-27
| | | | | | | | | | | | | | | | This lets us determine the real size of the file on disk so that we can properly bump the progress bar when we're resuming a download. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: Check for dlcb == NULL earlierDave Reisner2011-03-23
| | | | | | | | | | | | | | | | Our curl callback does a whole lot of work for nothing if the front end never defined a callback to receive the data we'd calculate for it. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: don't use deprecated curl symbolsDave Reisner2011-03-23
| | | | | | | | | | | | | | | | CURLINFO_HTTP_CODE is deprecated in favor of CURLINFO_RESPONSE_CODE. Both yield the same values. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: don't request compressed transportDave Reisner2011-03-23
| | | | | | | | | | | | | | | | The files we transfer are generally compressed already, so this just adds unnecessary overhead. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: Fix progress callback issues on downloadDave Reisner2011-03-23
| | | | | | | | | | | | | | | | | | Use a static variable to effectively track the initialization state of the progress callback via the last byte amount reported as downloaded by libcurl. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: fix compiler warnings generated by -Wfloat-equalDave Reisner2011-03-23
| | | | | | | | | | | | | | | | * introduces new macro in util.h (DOUBLE_EQ) for properly comparing floating point values Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | Don't initialize progress to zero before calling curl_easy_perform().Lukas Fleischer2011-03-21
| | | | | | | | | | | | | | | | | | | | Drawing progress bars before calling curl_easy_perform() is needless as the curl progress callback is called with zero progress before actually downloading the file anyways. Fixes display of "0%" progress bars when sync'ing package databases that are already up to date. Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de> Signed-off-by: Dan McGee <dan@archlinux.org>
* | Ensure dlcb is defined before calling itDan McGee2011-03-21
| | | | | | | | Signed-off-by: Dan McGee <dan@archlinux.org>
* | Style change: return(x) --> return xDan McGee2011-03-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was discussed and more or less agreed upon on the mailing list. A huge checkin, but if we just do it and let people adjust the pain will end soon enough. Rebasing should be relatively straighforward for anyone that sees conflicts; just be sure you use the new return style if possible. The following semantic patch was used to do the change, along with some hand-massaging in order to preserve parenthesis where appropriate: The semantic match that finds this problem is as follows, although some hand-massaging was done in order to keep parenthesis where appropriate: (http://coccinelle.lip6.fr/) // <smpl> @@ expression a; @@ - return(a); + return a; // </smpl> A macros_file was also provided with the following content: Additional steps taken, mainly for ASSERT() macros: $ sed -i -e 's#return(NULL)#return NULL#' lib/libalpm/*.c $ sed -i -e 's#return(-1)#return -1#' lib/libalpm/*.c Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: fix opening braces to conform with coding styleDave Reisner2011-03-20
| | | | | | | | | | Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | lib/dload.c: remove lingering libfetch specific headersDave Reisner2011-03-20
| | | | | | | | | | Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
* | Fix triple progress bars on downloadDave Reisner2011-03-17
| | | | | | | | | | Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
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