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Add application_name to connection authorized msg

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The connection authorized message has quite a bit of useful information
in it, but didn't include the application_name (when provided), so let's
add that as it can be very useful.

Note that at the point where we're emitting the connection authorized
message, we haven't processed GUCs, so it's not possible to get this by
using log_line_prefix (which pulls from the GUC).  There's also
something to be said for having this included in the connection
authorized message and then not needing to repeat it for every line, as
having it in log_line_prefix would do.

The GUC cleans the application name to pure-ascii, so do that here too,
but pull out the logic for cleaning up a string into its own function
in common and re-use it from those places, and check_cluster_name which
was doing the same thing.

Author: Don Seiler <don@seiler.us>
Discussion: https://postgr.es/m/CAHJZqBB_Pxv8HRfoh%2BAB4KxSQQuPVvtYCzMg7woNR3r7dfmopw%40mail.gmail.com
This commit is contained in:
Stephen Frost
2018-09-28 19:04:50 -04:00
parent 2b04dfc472
commit 8bddc86400
6 changed files with 99 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/backend/utils/init/postinit.c
View File

@ -249,34 +249,56 @@ PerformAuthentication(Port *port)
#ifdef USE_SSL
if (port->ssl_in_use)
ereport(LOG,
(errmsg("replication connection authorized: user=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))));
(port->application_name != NULL
? errmsg("replication connection authorized: user=%s application_name=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name,
port->application_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))
: errmsg("replication connection authorized: user=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))));
else
#endif
ereport(LOG,
(errmsg("replication connection authorized: user=%s",
port->user_name)));
(port->application_name != NULL
? errmsg("replication connection authorized: user=%s application_name=%s",
port->user_name,
port->application_name)
: errmsg("replication connection authorized: user=%s",
port->user_name)));
}
else
{
#ifdef USE_SSL
if (port->ssl_in_use)
ereport(LOG,
(errmsg("connection authorized: user=%s database=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name, port->database_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))));
(port->application_name != NULL
? errmsg("connection authorized: user=%s database=%s application_name=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name, port->database_name, port->application_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))
: errmsg("connection authorized: user=%s database=%s SSL enabled (protocol=%s, cipher=%s, bits=%d, compression=%s)",
port->user_name, port->database_name,
be_tls_get_version(port),
be_tls_get_cipher(port),
be_tls_get_cipher_bits(port),
be_tls_get_compression(port) ? _("on") : _("off"))));
else
#endif
ereport(LOG,
(errmsg("connection authorized: user=%s database=%s",
port->user_name, port->database_name)));
(port->application_name != NULL
? errmsg("connection authorized: user=%s database=%s application_name=%s",
port->user_name, port->database_name, port->application_name)
: errmsg("connection authorized: user=%s database=%s",
port->user_name, port->database_name)));
}
}