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New checks include input, month/day/time internal adjustments, addition,
subtraction, multiplication, and negation. Also adjust docs to
correctly specify interval size in bytes.
Report from Rok Kralj
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Per report from Jeffrey Walton, libpq has been accepting only TLSv1
exactly. Along the lines of the backend code, libpq will now support
new versions as OpenSSL adds them.
Marko Kreen, reviewed by Wim Lewis.
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There was a bug in the psql's meta command \conninfo. When the
IP address was specified in the hostaddr and psql used it to create
a connection (i.e., psql -d "hostaddr=xxx"), \conninfo could not
display that address. This is because \conninfo got the connection
information only from PQhost() which could not return hostaddr.
This patch adds PQhostaddr(), and changes \conninfo so that it
can display not only the host name that PQhost() returns but also
the IP address which PQhostaddr() returns.
The bug has existed since 9.1 where \conninfo was introduced.
But it's too late to add new libpq function into the released versions,
so no backpatch.
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In the platform that doesn't support Unix-domain socket, when
neither host nor hostaddr are specified, the default host
'localhost' is used to connect to the server and PQhost() must
return that, but it didn't. This patch fixes PQhost() so that
it returns the default host in that case.
Also this patch fixes PQhost() so that it doesn't return
Unix-domain socket directory path in the platform that doesn't
support Unix-domain socket.
Back-patch to all supported versions.
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krb5 has been deprecated since 8.3, and the recommended way to do
Kerberos authentication is using the GSSAPI authentication method
(which is still fully supported).
libpq retains the ability to identify krb5 authentication, but only
gives an error message about it being unsupported. Since all authentication
is initiated from the backend, there is no need to keep it at all
in the backend.
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Split the rather long ecpg_execute() function into ecpg_build_params(),
ecpg_autostart_transaction(), a smaller ecpg_execute() and
ecpg_process_output(). There is no user-visible change here, only code
reorganization to support future patches.
Author: Zoltán Böszörményi
Reviewed by Antonin Houska. Larger, older versions of this patch were
reviewed by Noah Misch and Michael Meskes.
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This splits ECPGdo() into ecpg_prologue(), ecpg_do() and
ecpg_epilogue(), and renames free_params() into ecpg_free_params() and
exports it. This makes it possible for future code to use these
routines for their own purposes.
There is no user-visible functionality change here, only code
reorganization.
Zoltán Böszörményi
Reviewed by Antonin Houska. Larger, older versions of this patch were
reviewed by Noah Misch and Michael Meskes.
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commit.
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While working on most platforms the old way sometimes created alignment
problems. This should fix it. Also the regresion tests were updated to test for
the reported case.
Report and fix by MauMau <maumau307@gmail.com>
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Update all files in head, and files COPYRIGHT and legal.sgml in all back
branches.
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When trying to connect to a given database libecpg should not try using an
empty hostname if no hostname was given.
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This function no longer takes an argument.
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Previously missing or invalid service files returned NULL. Also fix
pg_upgrade to report "out of memory" for a null return from
PQconndefaults().
Patch by Steve Singer, rewritten by me
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Patch by Böszörményi Zoltán <zb@cybertec.at>
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Patch by Boszormenyi Zoltan <zb@cybertec.at>
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Patch by Boszormenyi Zoltan <zb@cybertec.at>
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Patch by Boszormenyi Zoltan <zb@cybertec.at>
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Valgrind runs.
Patch by Boszormenyi Zoltan <zb@cybertec.at>
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variables is varchar. This fixes this test case:
int main(void)
{
exec sql begin declare section;
varchar a[50], b[50];
exec sql end declare section;
return 0;
}
Since varchars are internally turned into custom structs and
the type name is emitted for these variable declarations,
the preprocessed code previously had:
struct varchar_1 { ... } a _,_ struct varchar_2 { ... } b ;
The comma in the generated C file was a syntax error.
There are no regression test changes since it's not exercised.
Patch by Boszormenyi Zoltan <zb@cybertec.at>
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ECPG is not supposed to allow and output nested comments in C. These comments
are only allowed in the SQL parts and must not be written into the C file.
Also the different handling of different comments is documented.
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The last fix used the wrong non-terminal to define valid types.
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When parsing C variable definitions ecpg should allow sizeof() operators as array dimensions.
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SQL standard asks for allowing nested comments, while C does not. Therefore the
two comments, while mostly similar, have to be parsed seperately.
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This allows decorating mmfatal() with noreturn compiler hints, leading
to better diagnostics.
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Arguably makes the code a bit more readable, and might give a small
performance gain.
David Rowley
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Set per file type attributes in .gitattributes to fine-tune whitespace
checks. With the associated cleanups, the tree is now clean for git
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Commit 9b4d52f2095be96ca238ce41f6963ec56376491f failed to notice
that pg_regress_ecpg needed updating.
This patch was independently submitted by both David Rowley
and Andres Freund.
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When using a C99-compliant vsnprintf, we can use its report of the required
buffer size to avoid making multiple loops through the formatting logic.
This is similar to the changes recently made in stringinfo.c, but we can't
use psprintf.c here because in libpq we don't want to exit() on error.
(The behavior pqexpbuffer.c has historically used is to mark the
PQExpBuffer as "broken", ie empty, if it runs into any fatal problem.)
To avoid duplicating code more than necessary, I refactored
printfPQExpBuffer and appendPQExpBuffer to share a subroutine that's
very similar to psprintf.c's pvsnprintf in spirit.
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asprintf(), aside from not being particularly portable, has a fundamentally
badly-designed API; the psprintf() function that was added in passing in
the previous patch has a much better API choice. Moreover, the NetBSD
implementation that was borrowed for the previous patch doesn't work with
non-C99-compliant vsnprintf, which is something we still have to cope with
on some platforms; and it depends on va_copy which isn't all that portable
either. Get rid of that code in favor of an implementation similar to what
we've used for many years in stringinfo.c. Also, move it into libpgcommon
since it's not really libpgport material.
I think this patch will be enough to turn the buildfarm green again, but
there's still cosmetic work left to do, namely get rid of pg_asprintf()
in favor of using psprintf(). That will come in a followon patch.
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Now that msgfmt is run with -c by default, older versions of gettext are
complaining about the PO headers Last-Translator and Language-Team
still having their default values. Newer gettext versions fail to catch
this because of a bug (https://savannah.gnu.org/bugs/?40261), which is
why this hasn't been noticed before.
Copy updated versions of affected translation files from the
pgtranslations repository, were those files have been fixed.
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Add asprintf(), pg_asprintf(), and psprintf() to simplify string
allocation and composition. Replacement implementations taken from
NetBSD.
Reviewed-by: Álvaro Herrera <alvherre@2ndquadrant.com>
Reviewed-by: Asif Naeem <anaeem.it@gmail.com>
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In libpq, we set up and pass to OpenSSL callback routines to handle
locking. When we run out of SSL connections, we try to clean things
up by de-registering the hooks. Unfortunately, we had a few calls
into the OpenSSL library after these hooks were de-registered during
SSL cleanup which lead to deadlocking. This moves the thread callback
cleanup to be after all SSL-cleanup related OpenSSL library calls.
I've been unable to reproduce the deadlock with this fix.
In passing, also move the close_SSL call to be after unlocking our
ssl_config mutex when in a failure state. While it looks pretty
unlikely to be an issue, it could have resulted in deadlocks if we
ended up in this code path due to something other than SSL_new
failing. Thanks to Heikki for pointing this out.
Back-patch to all supported versions; note that the close_SSL issue
only goes back to 9.0, so that hunk isn't included in the 8.4 patch.
Initially found and reported by Vesa-Matti J Kari; many thanks to
both Heikki and Andres for their help running down the specific
issue and reviewing the patch.
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Found by Coverity.
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We should really be reporting a useful error along with returning
a valid return code if pthread_mutex_lock() throws an error for
some reason. Add that and back-patch to 9.0 as the prior patch.
Pointed out by Alvaro Herrera
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I've been working with Nick Phillips on an issue he ran into when
trying to use threads with SSL client certificates. As it turns out,
the call in initialize_SSL() to SSL_CTX_use_certificate_chain_file()
will modify our SSL_context without any protection from other threads
also calling that function or being at some other point and trying to
read from SSL_context.
To protect against this, I've written up the attached (based on an
initial patch from Nick and much subsequent discussion) which puts
locks around SSL_CTX_use_certificate_chain_file() and all of the other
users of SSL_context which weren't already protected.
Nick Phillips, much reworked by Stephen Frost
Back-patch to 9.0 where we started loading the cert directly instead of
using a callback.
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Per Coverity Scan
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PGTYPEStimestamp_defmt_scan() was declared twice inside different .c
files, with slightly different prototypes. Move it into a header file
and correct the prototype.
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There are cases where the day of year value in struct tm is used, but it never
got calculated. Problem found by Coverity scan.
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The returned error message already includes a newline, but the callers
were adding their own when printing it out.
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