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path: root/src/journal/journal-verify.c
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2016-05-30tree-wide: check colors_enabled() before outputting ANSI color stringsLennart Poettering
2016-04-22coredump,basic: generalize O_TMPFILE handling a bitLennart Poettering
This moves the O_TMPFILE handling from the coredumping code into common library code, and generalizes it as open_tmpfile_linkable() + link_tmpfile(). The existing open_tmpfile() function (which creates an unlinked temporary file that cannot be linked into the fs) is renamed to open_tmpfile_unlinkable(), to make the distinction clear. Thus, code may now choose between: a) open_tmpfile_linkable() + link_tmpfile() b) open_tmpfile_unlinkable() Depending on whether they want a file that may be linked back into the fs later on or not. In a later commit we should probably convert fopen_temporary() to make use of open_tmpfile_linkable(). Followup for: #3065
2016-02-23tree-wide: minor formatting inconsistency cleanupsVito Caputo
2016-02-22tree-wide: make ++/-- usage consistent WRT spacingVito Caputo
Throughout the tree there's spurious use of spaces separating ++ and -- operators from their respective operands. Make ++ and -- operator consistent with the majority of existing uses; discard the spaces.
2016-02-10tree-wide: remove Emacs lines from all filesDaniel Mack
This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.
2015-11-16tree-wide: sort includesThomas Hindoe Paaboel Andersen
Sort the includes accoding to the new coding style.
2015-11-05treewide: use the negative error codes returned by our functionsMichal Schmidt
Our functions return negative error codes. Do not rely on errno being set after calling our own functions.
2015-10-27util-lib: split out allocation calls into alloc-util.[ch]Lennart Poettering
2015-10-27util-lib: move more file I/O related calls into fileio.[ch]Lennart Poettering
2015-10-25util-lib: split out fd-related operations into fd-util.[ch]Lennart Poettering
There are more than enough to deserve their own .c file, hence move them over.
2015-10-24Merge pull request #1659 from vcaputo/journal_verify_envalidLennart Poettering
journal: s/Envalid/Invalid/
2015-10-23journal: s/Envalid/Invalid/Vito Caputo
2015-09-22cgtop: underline table headerLennart Poettering
Let's underline the header line of the table shown by cgtop, how it is customary for tables. In order to do this, let's introduce new ANSI underline macros, and clean up the existing ones as side effect.
2015-09-09tree-wide: make use of log_error_errno() return valueLennart Poettering
Turns this: r = -errno; log_error_errno(errno, "foo"); into this: r = log_error_errno(errno, "foo"); and this: r = log_error_errno(errno, "foo"); return r; into this: return log_error_errno(errno, "foo");
2015-07-24journal: uppercase first character in verify error messagesLennart Poettering
In the english language the first character of a sentence is supposed to be uppercase. Let's make sure this also applies to the journal verification error messages.
2015-07-24journal: explain the error when we find a non-DATA object that is compressedLennart Poettering
Only objects of type DATA may be compressed, generate a message about that, like we do for all other errros.
2015-07-24journal: when verifying journal files, handle empty ones nicelyLennart Poettering
A journal file that carries no objects should be considered valid.
2015-07-24journal: avoid mapping empty data and field hash tablesLennart Poettering
When a new journal file is created we write the header first, then sync and only then create the data and field hash tables in them. That means to other processes it might appear that the files have a valid header but not data and field hash tables. Our reader code should be able to deal with this. With this change we'll not map the two hash tables right-away after opening a file for reading anymore (because that will of course fail if the objects are missing), but delay this until the first time we access them. On top of that, when we want to look something up in the hash tables and we notice they aren't initialized yet, we consider them empty. This improves handling of some journal files reported in #487.
2015-07-24journal-verify: don't hit SIGFPE when determining progressLennart Poettering
If we determine the progress based on a number of objects available, don't blindly devide by the number of objects, given that it might be 0.
2015-04-11shared: add terminal-util.[ch]Ronny Chevalier
2015-03-13tree-wide: there is no ENOTSUP on linuxDavid Herrmann
Replace ENOTSUP by EOPNOTSUPP as this is what linux actually uses.
2015-02-23remove unused includesThomas Hindoe Paaboel Andersen
This patch removes includes that are not used. The removals were found with include-what-you-use which checks if any of the symbols from a header is in use.
2014-12-13journal: consistently use OBJECT_<type> names instead of numbersMichal Schmidt
Note that numbers 0 and -1 are both replaced with OBJECT_UNUSED, because they are treated the same everywhere (e.g. type_to_context() translates them both to 0).
2014-12-13journal: remove journal_file_object_keep/release functionsMichal Schmidt
The only user is sd_journal_enumerate_unique() and, as explained in the previous commit (fed67c38e3 "journal: map objects to context set by caller, not by actual object type"), the use of them there is now superfluous. Let's remove them. This reverts major parts of commits: ae97089d49 journal: fix access to munmapped memory in sd_journal_enumerate_unique 06cc69d44c sd-journal: fix sd_journal_enumerate_unique skipping values Tested with an "--enable-debug" build and "journalctl --list-boots". It gives the expected number of results. Additionally, if I then revert the previous commit ("journal: map objects to context set by caller, not to actual object type"), it crashes with SIGSEGV, as expected.
2014-12-11journald: correct spacing near eol code commentsTorstein Husebø
2014-11-28treewide: use log_*_errno whenever %m is in the format stringMichal Schmidt
If the format string contains %m, clearly errno must have a meaningful value, so we might as well use log_*_errno to have ERRNO= logged. Using: find . -name '*.[ch]' | xargs sed -r -i -e \ 's/log_(debug|info|notice|warning|error|emergency)\((".*%m.*")/log_\1_errno(errno, \2/' Plus some whitespace, linewrap, and indent adjustments.
2014-10-09sd-journal: fix sd_journal_enumerate_unique skipping valuesJan Janssen
sd_journal_enumerate_unique will lock its mmap window to prevent it from being released by calling mmap_cache_get with keep_always=true. This call may return windows that are wider, but compatible with the parameters provided to it. This can result in a mismatch where the window to be released cannot properly be selected, because we have more than one window matching the parameters of mmap_cache_release. Therefore, introduce a release_cookie to be used when releasing the window. https://bugs.freedesktop.org/show_bug.cgi?id=79380
2014-09-18journal: Do not count on the compiler initializing found_last to falsePhilippe De Swert
There is a very unlikely case where this can happen since gcc usually does the sane thing. But let's make sure found_last is initialized anyway. Fixes: CID#996386
2014-08-03Fix misuse of uint64_t as size_tZbigniew Jędrzejewski-Szmek
They have different size on 32 bit, so they are really not interchangable.
2014-07-16journal/verify: flush progress bar, print offset in more placesZbigniew Jędrzejewski-Szmek
Before, fragments of the progress bar would remain when errors or warnings were printed.
2014-07-07journal/compress: fix calls to decompress_blobZbigniew Jędrzejewski-Szmek
2014-07-06journal: add LZ4 as optional compressorZbigniew Jędrzejewski-Szmek
Add liblz4 as an optional dependency when requested with --enable-lz4, and use it in preference to liblzma for journal blob and coredump compression. To retain backwards compatibility, XZ is used to decompress old blobs. Things will function correctly only with lz4-119. Based on the benchmarks found on the web, lz4 seems to be the best choice for "quick" compressors atm. For pkg-config status, see http://code.google.com/p/lz4/issues/detail?id=135.
2014-03-18util: replace close_nointr_nofail() by a more useful safe_close()Lennart Poettering
safe_close() automatically becomes a NOP when a negative fd is passed, and returns -1 unconditionally. This makes it easy to write lines like this: fd = safe_close(fd); Which will close an fd if it is open, and reset the fd variable correctly. By making use of this new scheme we can drop a > 200 lines of code that was required to test for non-negative fds or to reset the closed fd variable afterwards.
2014-01-27Replace mkostemp+unlink with open(O_TMPFILE)Zbigniew Jędrzejewski-Szmek
This will only work on Linux >= 3.11, and probably not on all filesystems. Fallback code is provided.
2014-01-11journal: fix access to munmapped memory in sd_journal_enumerate_uniqueZbigniew Jędrzejewski-Szmek
sd_j_e_u needs to keep a reference to an object while comparing it with possibly duplicate objects in other files. Because the size of mmap cache is limited, with enough files and object to compare to, at some point the object being compared would be munmapped, resulting in a segmentation fault. Fix this issue by turning keep_always into a reference count that can be increased and decreased. Other callers which set keep_always=true are unmodified: their references are never released but are ignored when the whole file is closed, which happens at some point. keep_always is increased in sd_j_e_u and later on released.
2014-01-05journal: Add missing byte order conversionsGeorge McCollister
Convert entry_array.items[0] to host byte order prior to passing it to chain_cache_put(). [zj: also use le64toh in journal-verify.c] https://bugs.freedesktop.org/show_bug.cgi?id=73194
2013-06-27journal-verify: Use proper printf placeholderJan Janssen
2013-06-22journal-verify: allow unlinked data entriesZbigniew Jędrzejewski-Szmek
Sometimes an entry is not successfully written, and we end up with data items which are "unlinked", not connected to, and not used by any entry. This will usually happen when we write to write a core dump, and the initial small data fields are written successfully, but the huge COREDUMP= field is not written. This situation is hard to avoid, but the results are mostly harmless. Thus only warn about unused data items. Also, be more verbose about why journal files failed verification. This should help diagnose journal failure modes without resorting to a hexadecimal editor. https://bugs.freedesktop.org/show_bug.cgi?id=65235 (esp. see system.journal attached to the bug report).
2013-06-10Use stdint.h macros instead of casts to print uint64_t valuesZbigniew Jędrzejewski-Szmek
Casts are visually heavy, and can obscure unwanted truncations.
2012-11-21journal: by default do not decompress dat objects larger than 64KLennart Poettering
This introduces a new data threshold setting for sd_journal objects which controls the maximum size of objects to decompress. This is relieves the library from having to decompress full data objects even if a client program is only interested in the initial part of them. This speeds up "systemd-coredumpctl" drastically when invoked without parameters.
2012-10-19util: unify usage of on_tty() in util.cLennart Poettering
2012-10-13journal-verify: get rid of an unused variableZbigniew Jędrzejewski-Szmek
When compiling without gcrypt, gcc emits an annoying warning.
2012-09-24journald: always pass first entry timestamp back from journal_file_verify()Lennart Poettering
2012-09-13journald: don't reposition window if we don't have toLennart Poettering
2012-08-25journal: add HAVE_XZ check to avoid build failureYin Kangkai
Without this, build fail with --disable-xz or xz not installed.
2012-08-21journalctl: be more friendly when informing about seal verificationLennart Poettering
2012-08-21journal: be more careful when keeping around mmaps we still needLennart Poettering
2012-08-21verify: optimize entry search a bit by using bisectionLennart Poettering
2012-08-21journal: automatically evolve FSS key even when nothing is loggedLennart Poettering
2012-08-20journal: add missing endianess conversionLennart Poettering