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Dan: make it compile, s/load/payload/.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Noticed in my PowerPC Linux VM:
cc1: warnings being treated as errors
dload.c:45: error: 'get_filename' defined but not used
make[3]: *** [dload.lo] Error 1
Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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This transitional struct becomes delicious noms for dload_payload.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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Restore some sanity to the number of arguments passed to _alpm_download
and curl_download_internal.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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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>
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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>
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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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>
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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
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Signed-off-by: Dan McGee <dan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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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>
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Signed-off-by: Allan McRae <allan@archlinux.org>
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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>
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Documented the _alpm_download() function in dload.c
Signed-off-by: Kerrick Staley <mail@kerrickstaley.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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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>
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This involves some serious changes and a very messy diff, unfortunately.
Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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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>
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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>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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Conflicts:
lib/libalpm/alpm.h
lib/libalpm/trans.c
Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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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>
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Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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* 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>
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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>
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Signed-off-by: Dan McGee <dan@archlinux.org>
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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>
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Signed-off-by: Dave Reisner <d@falconindy.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
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