| Commit message (Collapse) | Author | Age |
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Instead of just reporting which user failed to log in, log both the
line number in the active pg_hba.conf file (which may not match reality
in case the file has been edited and not reloaded) and the contents of
the matching line (which will always be correct), to make it easier
to debug incorrect pg_hba.conf files.
The message to the client remains unchanged and does not include this
information, to prevent leaking security sensitive information.
Reviewed by Tom Lane and Dean Rasheed
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Fully update git head, and update back branches in ./COPYRIGHT and
legal.sgml files.
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The buildfarm shows this case is entirely broken, and I'm betting the
reason is lack of any include file.
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Some code was not ifdef'ed out for non-LDAP builds.
patch from Bruce Momjian
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Allow specifying LDAP authentication parameters as RFC 4516 LDAP URLs.
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Similar changes were done to pg_hba.conf earlier already, this commit makes
pg_ident.conf to behave the same as pg_hba.conf.
This has two user-visible effects. First, if pg_ident.conf contains multiple
errors, the whole file is parsed at postmaster startup time and all the
errors are immediately reported. Before this patch, the file was parsed and
the errors were reported only when someone tries to connect using an
authentication method that uses the file, and the parsing stopped on first
error. Second, if you SIGHUP to reload the config files, and the new
pg_ident.conf file contains an error, the error is logged but the old file
stays in effect.
Also, regular expressions in pg_ident.conf are now compiled only once when
the file is loaded, rather than every time the a user is authenticated. That
should speed up authentication if you have a lot of regexps in the file.
Amit Kapila
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commit-fest.
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This allows changing the location of the files that were previously
hard-coded to server.crt, server.key, root.crt, root.crl.
server.crt and server.key continue to be the default settings and are
thus required to be present by default if SSL is enabled. But the
settings for the server-side CA and CRL are now empty by default, and
if they are set, the files are required to be present. This replaces
the previous behavior of ignoring the functionality if the files were
not found.
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In e5e2fc842c418432756d8b5825ff107c6c5fc4c3, blank lines were removed
after a comment block, which now looks as though the comment refers to
the immediately following code, but it actually refers to the
preceding code. So put the blank lines back.
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This makes it possible to use reject lines with group roles.
Andrew Dunstan, reviewd by Robert Haas.
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An empty HBA file is surely an error, since it means there is no way to
connect to the server. We've not heard identifiable reports of people
actually doing that, but this will also close off the case Thom Brown just
complained of, namely pointing hba_file at a directory. (On at least some
platforms with some directories, it will read as an empty file.)
Perhaps this should be back-patched, but given the lack of previous
complaints, I won't add extra work for the translators.
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Writing
if (getnameinfo(...))
handle_error();
reads quite strangely, so use something like
if (getnameinfo(...) != 0)
handle_error();
instead.
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The previous coding was ugly, as it marked special tokens as such in the
wrong stage, relying on workarounds to figure out if they had been
quoted in the original or not. This made it impossible to have specific
keywords be recognized as such only in certain positions in HBA lines,
for example. Fix by restructuring the parser code so that it remembers
whether tokens were quoted or not. This eliminates widespread knowledge
of possible known keywords for all fields.
Also improve memory management in this area, to use memory contexts that
are reset as a whole instead of using retail pfrees; this removes a
whole lotta crufty (and probably slow) code.
Instead of calling strlen() three times in next_field_expand on the
returned token to find out whether there was a comma (and strip it),
pass back the info directly from the callee, which is simpler.
In passing, update historical artifacts in hba.c API.
Authors: Brendan Jurd, Alvaro Herrera
Reviewed by Pavel Stehule
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This makes the behavior compatible with that of hostssl, which
also throws an error when there is no SSL support included.
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In a couple of places we said "not supported on this platform" for cases
that aren't really platform-specific, but could depend on configuration
options such as --with-openssl. Use "not supported by this build" instead,
as that doesn't convey the impression that you can't fix it without moving
to another OS; that's also more consistent with the wording used for an
identical error case in guc.c.
No back-patch, as the clarity gain is small enough to not be worth
burdening translators with back-branch changes.
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Most commenters agreed that this is more friendly than silently failing
to match the line during actual connection attempts. Also, this will
prevent corner cases that might arise when trying to handle such a line
when the SSL code isn't turned on. An example is that specifying
clientcert=1 in such a line would formerly result in a completely
misleading complaint that root.crt wasn't present, as seen in a recent
report from Marc-Andre Laverdiere. While we could have instead fixed
that specific behavior, it seems likely that we'd have a continuing stream
of such bizarre behaviors if we keep on allowing hostssl lines when SSL is
disabled.
Back-patch to 8.4, where clientcert was introduced. Earlier versions don't
have this specific issue, and the code is enough different to make this
patch not applicable without more work than it seems worth.
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This involves getting the character classification and case-folding
functions in the regex library to use the collations infrastructure.
Most of this work had been done already in connection with the upper/lower
and LIKE logic, so it was a simple matter of transposition.
While at it, split out these functions into a separate source file
regc_pg_locale.c, so that they can be correctly labeled with the Postgres
project's license rather than the Scriptics license. These functions are
100% Postgres-written code whereas what remains in regc_locale.c is still
mostly not ours, so lumping them both under the same copyright notice was
getting more and more misleading.
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pg_hba.conf.
Per gripe from Josh Berkus.
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This removes an overloading of two authentication options where
one is very secure (peer) and one is often insecure (ident). Peer
is also the name used in libpq from 9.1 to specify the same type
of authentication.
Also make initdb select peer for local connections when ident is
chosen, and ident for TCP connections when peer is chosen.
ident keyword in pg_hba.conf is still accepted and maps to peer
authentication.
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A name starting with a dot can be used to match a suffix of the actual
host name (e.g., .example.com matches foo.example.com).
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Peter Eisentraut, reviewed by KaiGai Kohei and Tom Lane
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unqualified names.
- Add a missing_ok parameter to get_tablespace_oid.
- Avoid duplicating get_tablespace_od guts in objectNamesToOids.
- Add a missing_ok parameter to get_database_oid.
- Replace get_roleid and get_role_checked with get_role_oid.
- Add get_namespace_oid, get_language_oid, get_am_oid.
- Refactor existing code to use new interfaces.
Thanks to KaiGai Kohei for the review.
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--enable-ssl -> --with-openssl
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with database = replication. The previous coding would allow them to match
ordinary records too, but that seems like a recipe for security breaches.
Improve the messages associated with no-such-pg_hba.conf entry to report
replication connections as such, since that's now a critical aspect of
whether the connection matches. Make some cursory improvements in the related
documentation, too.
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rejection retains same message as before.
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and authenticated usernames were swapped. Reported by Bryan Henderson
in bug #5386.
Also clean up poorly-maintained header comment for this function.
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requires a hostname to function.
Noted by Zdenek Kotala
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unless (1) the @ isn't quoted and (2) the filename isn't empty. This guards
against unexpectedly treating usernames or other strings in "flat files"
as inclusion requests, as seen in a recent trouble report from Ed L.
The empty-filename case would be guaranteed to misbehave anyway, because our
subsequent path-munging behavior results in trying to read the directory
containing the current input file.
I think this might finally explain the report at
http://archives.postgresql.org/pgsql-bugs/2004-05/msg00132.php
of a crash after printing "authentication file token too long, skipping",
since I was able to duplicate that message (though not a crash) on a
platform where stdio doesn't refuse to read directories. We never got
far in investigating that problem, but now I'm suspicious that the trigger
condition was an @ in the flat password file.
Back-patch to all active branches since the problem can be demonstrated in all
branches except HEAD. The test case, creating a user named "@", doesn't cause
a problem in HEAD since we got rid of the flat password file. Nonetheless it
seems like a good idea to not consider quoted @ as a file inclusion spec,
so I changed HEAD too.
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set ferror() but never set feof(). This is known to be the case for recent
glibc when trying to read a directory as a file, and might be true for other
platforms/cases too. Per report from Ed L. (There is more that we ought to
do about his report, but this is one easily identifiable issue.)
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since we released a version without it, so remove the comment that
says we might want to do that.
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the server.
Gets rid of a fairly ugly hack for Solaris, and also provides hostname
and IPV6 support.
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This includes two new kinds of postmaster processes, walsenders and
walreceiver. Walreceiver is responsible for connecting to the primary server
and streaming WAL to disk, while walsender runs in the primary server and
streams WAL from disk to the client.
Documentation still needs work, but the basics are there. We will probably
pull the replication section to a new chapter later on, as well as the
sections describing file-based replication. But let's do that as a separate
patch, so that it's easier to see what has been added/changed. This patch
also adds a new section to the chapter about FE/BE protocol, documenting the
protocol used by walsender/walreceivxer.
Bump catalog version because of two new functions,
pg_last_xlog_receive_location() and pg_last_xlog_replay_location(), for
monitoring the progress of replication.
Fujii Masao, with additional hacking by me
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does a search for the user in the directory first, and then binds with
the DN found for this user.
This allows for LDAP logins in scenarios where the DN of the user cannot
be determined simply by prefix and suffix, such as the case where different
users are located in different containers.
The old way of authentication can be significantly faster, so it's kept
as an option.
Robert Fleming and Magnus Hagander
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large number of SIGHUP cycles, these would have run the postmaster out
of memory. Noted while testing memory-leak scenario in postgresql.conf
configuration-change-printing patch.
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by enumerating the machine's IP interfaces to look for a match.
Stef Walter
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Recent commits have removed the various uses it was supporting. It was a
performance bottleneck, according to bug report #4919 by Lauris Ulmanis; seems
it slowed down user creation after a billion users.
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