Re: PostgreSQL virtual hosting support

I have finally merged this patch into our current tree, and have created
a diff file that I have attached to this email. If no one objects, I
will apply this change to the current tree tomorrow. It allows the
postmaster to listen to only certain hosts and to place the socket file
in a certain directory.

The only item not done is that PQsetdbLogin() does not have a parameter
to accept the unix socket path. Not sure we want to change that API
just to allow unix socket path specification.

> Your name : David MacKenzie
> Your email address : djm(at)web(dot)us(dot)uu(dot)net
>
>
> System Configuration
> ---------------------
> Architecture (example: Intel Pentium) : Intel x86
>
> Operating System (example: Linux 2.0.26 ELF) : BSD/OS 4.0.1
>
> PostgreSQL version (example: PostgreSQL-7.0): PostgreSQL-7.0.2
>
> Compiler used (example: gcc 2.8.0) : gcc version 2.7.2.1
>
>
> Please enter a FULL description of your problem:
> ------------------------------------------------
>
> UUNET is looking into offering PostgreSQL as a part of a managed web
> hosting product, on both shared and dedicated machines. We currently
> offer Oracle and MySQL, and it would be a nice middle-ground.
> However, as shipped, PostgreSQL lacks the following features we need
> that MySQL has:
>
> 1. The ability to listen only on a particular IP address. Each
> hosting customer has their own IP address, on which all of their
> servers (http, ftp, real media, etc.) run.
> 2. The ability to place the Unix-domain socket in a mode 700 directory.
> This allows us to automatically create an empty database, with an
> empty DBA password, for new or upgrading customers without having
> to interactively set a DBA password and communicate it to (or from)
> the customer. This in turn cuts down our install and upgrade times.
> 3. The ability to connect to the Unix-domain socket from within a
> change-rooted environment. We run CGI programs chrooted to the
> user's home directory, which is another reason why we need to be
> able to specify where the Unix-domain socket is, instead of /tmp.
> 4. The ability to, if run as root, open a pid file in /var/run as
> root, and then setuid to the desired user. (mysqld -u can almost
> do this; I had to patch it, too).
>
> The patch below fixes problem 1-3. I plan to address #4, also, but
> haven't done so yet. These diffs are big enough that they should give
> the PG development team something to think about in the meantime :-)
> Also, I'm about to leave for 2 weeks' vacation, so I thought I'd get
> out what I have, which works (for the problems it tackles), now.
>
> With these changes, we can set up and run PostgreSQL with scripts the
> same way we can with apache or proftpd or mysql.
>
> In summary, this patch makes the following enhancements:
>
> 1. Adds an environment variable PGUNIXSOCKET, analogous to MYSQL_UNIX_PORT,
> and command line options -k --unix-socket to the relevant programs.
> 2. Adds a -h option to postmaster to set the hostname or IP address to
> listen on instead of the default INADDR_ANY.
> 3. Extends some library interfaces to support the above.
> 4. Fixes a few memory leaks in PQconnectdb().
>
> The default behavior is unchanged from stock 7.0.2; if you don't use
> any of these new features, they don't change the operation.
>
> Index: doc/src/sgml/layout.sgml
> *** doc/src/sgml/layout.sgml 2000/06/30 21:15:36 1.1
> --- doc/src/sgml/layout.sgml 2000/07/02 03:56:05 1.2
> ***************
> *** 55,61 ****
> For example, if the database server machine is a remote machine, you
> will need to set the <envar>PGHOST</envar> environment variable to the name
> of the database server machine. The environment variable
> ! <envar>PGPORT</envar> may also have to be set. The bottom line is this: if
> you try to start an application program and it complains
> that it cannot connect to the <Application>postmaster</Application>,
> you must go back and make sure that your
> --- 55,62 ----
> For example, if the database server machine is a remote machine, you
> will need to set the <envar>PGHOST</envar> environment variable to the name
> of the database server machine. The environment variable
> ! <envar>PGPORT</envar> or <envar>PGUNIXSOCKET</envar> may also have to be set.
> ! The bottom line is this: if
> you try to start an application program and it complains
> that it cannot connect to the <Application>postmaster</Application>,
> you must go back and make sure that your
> Index: doc/src/sgml/libpq++.sgml
> *** doc/src/sgml/libpq++.sgml 2000/06/30 21:15:36 1.1
> --- doc/src/sgml/libpq++.sgml 2000/07/02 03:56:05 1.2
> ***************
> *** 93,98 ****
> --- 93,105 ----
> </listitem>
> <listitem>
> <para>
> + <envar>PGUNIXSOCKET</envar> sets the full Unix domain socket
> + file name for communicating with the <productname>Postgres</productname>
> + backend.
> + </para>
> + </listitem>
> + <listitem>
> + <para>
> <envar>PGDATABASE</envar> sets the default
> <productname>Postgres</productname> database name.
> </para>
> Index: doc/src/sgml/libpq.sgml
> *** doc/src/sgml/libpq.sgml 2000/06/30 21:15:36 1.1
> --- doc/src/sgml/libpq.sgml 2000/07/02 03:56:05 1.2
> ***************
> *** 134,139 ****
> --- 134,148 ----
> </varlistentry>
>
> <varlistentry>
> + <term><literal>unixsocket</literal></term>
> + <listitem>
> + <para>
> + Full path to Unix-domain socket file to connect to at the server host.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> <term><literal>dbname</literal></term>
> <listitem>
> <para>
> ***************
> *** 545,550 ****
> --- 554,569 ----
>
> <listitem>
> <para>
> + <function>PQunixsocket</function>
> + Returns the name of the Unix-domain socket of the connection.
> + <synopsis>
> + char *PQunixsocket(const PGconn *conn)
> + </synopsis>
> + </para>
> + </listitem>
> +
> + <listitem>
> + <para>
> <function>PQtty</function>
> Returns the debug tty of the connection.
> <synopsis>
> ***************
> *** 1772,1777 ****
> --- 1791,1803 ----
> <envar>PGHOST</envar> sets the default server name.
> If a non-zero-length string is specified, TCP/IP communication is used.
> Without a host name, libpq will connect using a local Unix domain socket.
> + </para>
> + </listitem>
> + <listitem>
> + <para>
> + <envar>PGPORT</envar> sets the default port or local Unix domain socket
> + file extension for communicating with the <productname>Postgres</productname>
> + backend.
> </para>
> </listitem>
> <listitem>
> Index: doc/src/sgml/start.sgml
> *** doc/src/sgml/start.sgml 2000/06/30 21:15:37 1.1
> --- doc/src/sgml/start.sgml 2000/07/02 03:56:05 1.2
> ***************
> *** 110,117 ****
> will need to set the <acronym>PGHOST</acronym> environment
> variable to the name
> of the database server machine. The environment variable
> ! <acronym>PGPORT</acronym> may also have to be set. The bottom
> ! line is this: if
> you try to start an application program and it complains
> that it cannot connect to the <application>postmaster</application>,
> you should immediately consult your site administrator to make
> --- 110,117 ----
> will need to set the <acronym>PGHOST</acronym> environment
> variable to the name
> of the database server machine. The environment variable
> ! <acronym>PGPORT</acronym> or <acronym>PGUNIXSOCKET</acronym> may also have to be set.
> ! The bottom line is this: if
> you try to start an application program and it complains
> that it cannot connect to the <application>postmaster</application>,
> you should immediately consult your site administrator to make
> Index: doc/src/sgml/ref/createdb.sgml
> *** doc/src/sgml/ref/createdb.sgml 2000/06/30 21:15:37 1.1
> --- doc/src/sgml/ref/createdb.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 58,63 ****
> --- 58,75 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-U, --username <replaceable class="parameter">username</replaceable></term>
> <listitem>
> Index: doc/src/sgml/ref/createlang.sgml
> *** doc/src/sgml/ref/createlang.sgml 2000/06/30 21:15:37 1.1
> --- doc/src/sgml/ref/createlang.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 96,101 ****
> --- 96,113 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-U, --username <replaceable class="parameter">username</replaceable></term>
> <listitem>
> Index: doc/src/sgml/ref/createuser.sgml
> *** doc/src/sgml/ref/createuser.sgml 2000/06/30 21:15:37 1.1
> --- doc/src/sgml/ref/createuser.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 59,64 ****
> --- 59,76 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-e, --echo</term>
> <listitem>
> Index: doc/src/sgml/ref/dropdb.sgml
> *** doc/src/sgml/ref/dropdb.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/dropdb.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 58,63 ****
> --- 58,75 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-U, --username <replaceable class="parameter">username</replaceable></term>
> <listitem>
> Index: doc/src/sgml/ref/droplang.sgml
> *** doc/src/sgml/ref/droplang.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/droplang.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 96,101 ****
> --- 96,113 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-U, --username <replaceable class="parameter">username</replaceable></term>
> <listitem>
> Index: doc/src/sgml/ref/dropuser.sgml
> *** doc/src/sgml/ref/dropuser.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/dropuser.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 58,63 ****
> --- 58,75 ----
> </listitem>
> </varlistentry>
>
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> <varlistentry>
> <term>-e, --echo</term>
> <listitem>
> Index: doc/src/sgml/ref/pg_dump.sgml
> *** doc/src/sgml/ref/pg_dump.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/pg_dump.sgml 2000/07/01 18:41:22 1.2
> ***************
> *** 24,30 ****
> </refsynopsisdivinfo>
> <synopsis>
> pg_dump [ <replaceable class="parameter">dbname</replaceable> ]
> ! pg_dump [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ]
> [ -t <replaceable class="parameter">table</replaceable> ]
> [ -a ] [ -c ] [ -d ] [ -D ] [ -i ] [ -n ] [ -N ]
> [ -o ] [ -s ] [ -u ] [ -v ] [ -x ]
> --- 24,32 ----
> </refsynopsisdivinfo>
> <synopsis>
> pg_dump [ <replaceable class="parameter">dbname</replaceable> ]
> ! pg_dump [ -h <replaceable class="parameter">host</replaceable> ]
> ! [ -k <replaceable class="parameter">path</replaceable> ]
> ! [ -p <replaceable class="parameter">port</replaceable> ]
> [ -t <replaceable class="parameter">table</replaceable> ]
> [ -a ] [ -c ] [ -d ] [ -D ] [ -i ] [ -n ] [ -N ]
> [ -o ] [ -s ] [ -u ] [ -v ] [ -x ]
> ***************
> *** 200,205 ****
> --- 202,222 ----
> <application>postmaster</application>
> is running. Defaults to using a local Unix domain socket
> rather than an IP connection..
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> + <term>-k <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the local Unix domain socket file path
> + on which the <application>postmaster</application>
> + is listening for connections.
> + Without this option, the socket path name defaults to
> + the value of the <envar>PGUNIXSOCKET</envar> environment
> + variable (if set), otherwise it is constructed
> + from the port number.
> </para>
> </listitem>
> </varlistentry>
> Index: doc/src/sgml/ref/pg_dumpall.sgml
> *** doc/src/sgml/ref/pg_dumpall.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/pg_dumpall.sgml 2000/07/01 18:41:22 1.2
> ***************
> *** 24,30 ****
> </refsynopsisdivinfo>
> <synopsis>
> pg_dumpall
> ! pg_dumpall [ -h <replaceable class="parameter">host</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ] [ -a ] [ -d ] [ -D ] [ -O ] [ -s ] [ -u ] [ -v ] [ -x ]
> </synopsis>
>
> <refsect2 id="R2-APP-PG-DUMPALL-1">
> --- 24,33 ----
> </refsynopsisdivinfo>
> <synopsis>
> pg_dumpall
> ! pg_dumpall [ -h <replaceable class="parameter">host</replaceable> ]
> ! [ -k <replaceable class="parameter">path</replaceable> ]
> ! [ -p <replaceable class="parameter">port</replaceable> ]
> ! [ -a ] [ -d ] [ -D ] [ -O ] [ -s ] [ -u ] [ -v ] [ -x ]
> </synopsis>
>
> <refsect2 id="R2-APP-PG-DUMPALL-1">
> ***************
> *** 137,142 ****
> --- 140,160 ----
> <application>postmaster</application>
> is running. Defaults to using a local Unix domain socket
> rather than an IP connection..
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> + <term>-k <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the local Unix domain socket file path
> + on which the <application>postmaster</application>
> + is listening for connections.
> + Without this option, the socket path name defaults to
> + the value of the <envar>PGUNIXSOCKET</envar> environment
> + variable (if set), otherwise it is constructed
> + from the port number.
> </para>
> </listitem>
> </varlistentry>
> Index: doc/src/sgml/ref/postmaster.sgml
> *** doc/src/sgml/ref/postmaster.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/postmaster.sgml 2000/07/06 07:48:31 1.7
> ***************
> *** 24,30 ****
> </refsynopsisdivinfo>
> <synopsis>
> postmaster [ -B <replaceable class="parameter">nBuffers</replaceable> ] [ -D <replaceable class="parameter">DataDir</replaceable> ] [ -N <replaceable class="parameter">maxBackends</replaceable> ] [ -S ]
> ! [ -d <replaceable class="parameter">DebugLevel</replaceable> ] [ -i ] [ -l ]
> [ -o <replaceable class="parameter">BackendOptions</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ] [ -n | -s ]
> </synopsis>
>
> --- 24,32 ----
> </refsynopsisdivinfo>
> <synopsis>
> postmaster [ -B <replaceable class="parameter">nBuffers</replaceable> ] [ -D <replaceable class="parameter">DataDir</replaceable> ] [ -N <replaceable class="parameter">maxBackends</replaceable> ] [ -S ]
> ! [ -d <replaceable class="parameter">DebugLevel</replaceable> ]
> ! [ -h <replaceable class="parameter">hostname</replaceable> ] [ -i ]
> ! [ -k <replaceable class="parameter">path</replaceable> ] [ -l ]
> [ -o <replaceable class="parameter">BackendOptions</replaceable> ] [ -p <replaceable class="parameter">port</replaceable> ] [ -n | -s ]
> </synopsis>
>
> ***************
> *** 124,129 ****
> --- 126,161 ----
> </varlistentry>
>
> <varlistentry>
> + <term>-h <replaceable class="parameter">hostName</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the TCP/IP hostname or address
> + on which the <application>postmaster</application>
> + is to listen for connections from frontend applications. Defaults to
> + the value of the
> + <envar>PGHOST</envar>
> + environment variable, or if <envar>PGHOST</envar>
> + is not set, then defaults to "all", meaning listen on all configured addresses
> + (including localhost).
> + </para>
> + <para>
> + If you use a hostname or address other than "all", do not try to run
> + multiple instances of <application>postmaster</application> on the
> + same IP address but different ports. Doing so will result in them
> + attempting (incorrectly) to use the same shared memory segments.
> + Also, if you use a hostname other than "all", all of the host's IP addresses
> + on which <application>postmaster</application> instances are
> + listening must be distinct in the two last octets.
> + </para>
> + <para>
> + If you do use "all" (the default), then each instance must listen on a
> + different port (via -p or <envar>PGPORT</envar>). And, of course, do
> + not try to use both approaches on one host.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> <term>-i</term>
> <listitem>
> <para>
> ***************
> *** 135,140 ****
> --- 167,201 ----
> </varlistentry>
>
> <varlistentry>
> + <term>-k <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the local Unix domain socket path name
> + on which the <application>postmaster</application>
> + is to listen for connections from frontend applications. Defaults to
> + the value of the
> + <envar>PGUNIXSOCKET</envar>
> + environment variable, or if <envar>PGUNIXSOCKET</envar>
> + is not set, then defaults to a file in <filename>/tmp</filename>
> + constructed from the port number.
> + </para>
> + <para>
> + You can use this option to put the Unix-domain socket in a
> + directory that is private to one or more users using Unix
> + directory permissions. This is necessary for securely
> + creating databases automatically on shared machines.
> + In that situation, also disallow all TCP/IP connections
> + initially in <filename>pg_hba.conf</filename>.
> + If you specify a socket path other than the
> + default then all frontend applications (including
> + <application>psql</application>) must specify the same
> + socket path using either command-line options or
> + <envar>PGUNIXSOCKET</envar>.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> + <varlistentry>
> <term>-l</term>
> <listitem>
> <para>
> Index: doc/src/sgml/ref/psql-ref.sgml
> *** doc/src/sgml/ref/psql-ref.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/psql-ref.sgml 2000/07/02 03:56:05 1.3
> ***************
> *** 1329,1334 ****
> --- 1329,1347 ----
>
>
> <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
> +
> +
> + <varlistentry>
> <term>-H, --html</term>
> <listitem>
> <para>
> Index: doc/src/sgml/ref/vacuumdb.sgml
> *** doc/src/sgml/ref/vacuumdb.sgml 2000/06/30 21:15:38 1.1
> --- doc/src/sgml/ref/vacuumdb.sgml 2000/07/04 04:46:45 1.2
> ***************
> *** 24,30 ****
> </refsynopsisdivinfo>
> <synopsis>
> vacuumdb [ <replaceable class="parameter">options</replaceable> ] [ --analyze | -z ]
> ! [ --alldb | -a ] [ --verbose | -v ]
> [ --table '<replaceable class="parameter">table</replaceable> [ ( <replaceable class="parameter">column</replaceable> [,...] ) ]' ] [ [-d] <replaceable class="parameter">dbname</replaceable> ]
> </synopsis>
>
> --- 24,30 ----
> </refsynopsisdivinfo>
> <synopsis>
> vacuumdb [ <replaceable class="parameter">options</replaceable> ] [ --analyze | -z ]
> ! [ --all | -a ] [ --verbose | -v ]
> [ --table '<replaceable class="parameter">table</replaceable> [ ( <replaceable class="parameter">column</replaceable> [,...] ) ]' ] [ [-d] <replaceable class="parameter">dbname</replaceable> ]
> </synopsis>
>
> ***************
> *** 128,133 ****
> --- 128,145 ----
> </para>
> </listitem>
> </varlistentry>
> +
> + <varlistentry>
> + <term>-k, --unixsocket <replaceable class="parameter">path</replaceable></term>
> + <listitem>
> + <para>
> + Specifies the Unix-domain socket on which the
> + <application>postmaster</application> is running.
> + Without this option, the socket is created in <filename>/tmp</filename>
> + based on the port number.
> + </para>
> + </listitem>
> + </varlistentry>
>
> <varlistentry>
> <term>-U <replaceable class="parameter">username</replaceable></term>
> Index: src/backend/libpq/pqcomm.c
> *** src/backend/libpq/pqcomm.c 2000/06/30 21:15:40 1.1
> --- src/backend/libpq/pqcomm.c 2000/07/01 18:50:46 1.3
> ***************
> *** 42,47 ****
> --- 42,48 ----
> * StreamConnection - Create new connection with client
> * StreamClose - Close a client/backend connection
> * pq_getport - return the PGPORT setting
> + * pq_getunixsocket - return the PGUNIXSOCKET setting
> * pq_init - initialize libpq at backend startup
> * pq_close - shutdown libpq at backend exit
> *
> ***************
> *** 134,139 ****
> --- 135,151 ----
> }
>
> /* --------------------------------
> + * pq_getunixsocket - return the PGUNIXSOCKET setting.
> + * If NULL, default to computing it based on the port.
> + * --------------------------------
> + */
> + char *
> + pq_getunixsocket(void)
> + {
> + return getenv("PGUNIXSOCKET");
> + }
> +
> + /* --------------------------------
> * pq_close - shutdown libpq at backend exit
> *
> * Note: in a standalone backend MyProcPort will be null,
> ***************
> *** 177,189 ****
> /*
> * StreamServerPort -- open a sock stream "listening" port.
> *
> ! * This initializes the Postmaster's connection-accepting port.
> *
> * RETURNS: STATUS_OK or STATUS_ERROR
> */
>
> int
> ! StreamServerPort(char *hostName, unsigned short portName, int *fdP)
> {
> SockAddr saddr;
> int fd,
> --- 189,205 ----
> /*
> * StreamServerPort -- open a sock stream "listening" port.
> *
> ! * This initializes the Postmaster's connection-accepting port fdP.
> ! * If hostName is "any", listen on all configured IP addresses.
> ! * If hostName is NULL, listen on a Unix-domain socket instead of TCP;
> ! * if unixSocketName is NULL, a default path (constructed in UNIX_SOCK_PATH
> ! * in include/libpq/pqcomm.h) based on portName is used.
> *
> * RETURNS: STATUS_OK or STATUS_ERROR
> */
>
> int
> ! StreamServerPort(char *hostName, unsigned short portNumber, char *unixSocketName, int *fdP)
> {
> SockAddr saddr;
> int fd,
> ***************
> *** 227,233 ****
> saddr.sa.sa_family = family;
> if (family == AF_UNIX)
> {
> ! len = UNIXSOCK_PATH(saddr.un, portName);
> strcpy(sock_path, saddr.un.sun_path);
>
> /*
> --- 243,250 ----
> saddr.sa.sa_family = family;
> if (family == AF_UNIX)
> {
> ! UNIXSOCK_PATH(saddr.un, portNumber, unixSocketName);
> ! len = UNIXSOCK_LEN(saddr.un);
> strcpy(sock_path, saddr.un.sun_path);
>
> /*
> ***************
> *** 259,267 ****
> }
> else
> {
> ! saddr.in.sin_addr.s_addr = htonl(INADDR_ANY);
> ! saddr.in.sin_port = htons(portName);
> ! len = sizeof(struct sockaddr_in);
> }
> err = bind(fd, &saddr.sa, len);
> if (err < 0)
> --- 276,305 ----
> }
> else
> {
> ! /* TCP/IP socket */
> ! if (!strcmp(hostName, "all")) /* like for databases in pg_hba.conf. */
> ! saddr.in.sin_addr.s_addr = htonl(INADDR_ANY);
> ! else
> ! {
> ! struct hostent *hp;
> !
> ! hp = gethostbyname(hostName);
> ! if ((hp == NULL) || (hp->h_addrtype != AF_INET))
> ! {
> ! snprintf(PQerrormsg, PQERRORMSG_LENGTH,
> ! "FATAL: StreamServerPort: gethostbyname(%s) failed: %s\n",
> ! hostName, hstrerror(h_errno));
> ! fputs(PQerrormsg, stderr);
> ! pqdebug("%s", PQerrormsg);
> ! return STATUS_ERROR;
> ! }
> ! memmove((char *) &(saddr.in.sin_addr),
> ! (char *) hp->h_addr,
> ! hp->h_length);
> ! }
> !
> ! saddr.in.sin_port = htons(portNumber);
> ! len = sizeof(struct sockaddr_in);
> }
> err = bind(fd, &saddr.sa, len);
> if (err < 0)
> Index: src/backend/postmaster/postmaster.c
> *** src/backend/postmaster/postmaster.c 2000/06/30 21:15:42 1.1
> --- src/backend/postmaster/postmaster.c 2000/07/06 07:38:21 1.5
> ***************
> *** 136,143 ****
> /* list of ports associated with still open, but incomplete connections */
> static Dllist *PortList;
>
> ! static unsigned short PostPortName = 0;
>
> /*
> * This is a boolean indicating that there is at least one backend that
> * is accessing the current shared memory and semaphores. Between the
> --- 136,150 ----
> /* list of ports associated with still open, but incomplete connections */
> static Dllist *PortList;
>
> ! /* Hostname of interface to listen on, or 'any'. */
> ! static char *HostName = NULL;
>
> + /* TCP/IP port number to listen on. Also used to default the Unix-domain socket name. */
> + static unsigned short PostPortNumber = 0;
> +
> + /* Override of the default Unix-domain socket name to listen on, if non-NULL. */
> + static char *UnixSocketName = NULL;
> +
> /*
> * This is a boolean indicating that there is at least one backend that
> * is accessing the current shared memory and semaphores. Between the
> ***************
> *** 274,280 ****
> static void SignalChildren(SIGNAL_ARGS);
> static int CountChildren(void);
> static int
> ! SetOptsFile(char *progname, int port, char *datadir,
> int assert, int nbuf, char *execfile,
> int debuglvl, int netserver,
> #ifdef USE_SSL
> --- 281,287 ----
> static void SignalChildren(SIGNAL_ARGS);
> static int CountChildren(void);
> static int
> ! SetOptsFile(char *progname, char *hostname, int port, char *unixsocket, char *datadir,
> int assert, int nbuf, char *execfile,
> int debuglvl, int netserver,
> #ifdef USE_SSL
> ***************
> *** 370,380 ****
> {
> extern int NBuffers; /* from buffer/bufmgr.c */
> int opt;
> - char *hostName;
> int status;
> int silentflag = 0;
> bool DataDirOK; /* We have a usable PGDATA value */
> - char hostbuf[MAXHOSTNAMELEN];
> int nonblank_argc;
> char original_extraoptions[MAXPGPATH];
>
> --- 377,385 ----
> ***************
> *** 431,449 ****
> */
> umask((mode_t) 0077);
>
> - if (!(hostName = getenv("PGHOST")))
> - {
> - if (gethostname(hostbuf, MAXHOSTNAMELEN) < 0)
> - strcpy(hostbuf, "localhost");
> - hostName = hostbuf;
> - }
> -
> MyProcPid = getpid();
> DataDir = getenv("PGDATA"); /* default value */
>
> opterr = 0;
> IgnoreSystemIndexes(false);
> ! while ((opt = getopt(nonblank_argc, argv, "A:a:B:b:D:d:ilm:MN:no:p:Ss")) != EOF)
> {
> switch (opt)
> {
> --- 436,447 ----
> */
> umask((mode_t) 0077);
>
> MyProcPid = getpid();
> DataDir = getenv("PGDATA"); /* default value */
>
> opterr = 0;
> IgnoreSystemIndexes(false);
> ! while ((opt = getopt(nonblank_argc, argv, "A:a:B:b:D:d:h:ik:lm:MN:no:p:Ss")) != EOF)
> {
> switch (opt)
> {
> ***************
> *** 498,506 ****
> --- 496,511 ----
> DebugLvl = atoi(optarg);
> pg_options[TRACE_VERBOSE] = DebugLvl;
> break;
> + case 'h':
> + HostName = optarg;
> + break;
> case 'i':
> NetServer = true;
> break;
> + case 'k':
> + /* Set PGUNIXSOCKET by hand. */
> + UnixSocketName = optarg;
> + break;
> #ifdef USE_SSL
> case 'l':
> SecureNetServer = true;
> ***************
> *** 545,551 ****
> break;
> case 'p':
> /* Set PGPORT by hand. */
> ! PostPortName = (unsigned short) atoi(optarg);
> break;
> case 'S':
>
> --- 550,556 ----
> break;
> case 'p':
> /* Set PGPORT by hand. */
> ! PostPortNumber = (unsigned short) atoi(optarg);
> break;
> case 'S':
>
> ***************
> *** 577,584 ****
> /*
> * Select default values for switches where needed
> */
> ! if (PostPortName == 0)
> ! PostPortName = (unsigned short) pq_getport();
>
> /*
> * Check for invalid combinations of switches
> --- 582,603 ----
> /*
> * Select default values for switches where needed
> */
> ! if (HostName == NULL)
> ! {
> ! if (!(HostName = getenv("PGHOST")))
> ! {
> ! HostName = "any";
> ! }
> ! }
> ! else if (!NetServer)
> ! {
> ! fprintf(stderr, "%s: -h requires -i.\n", progname);
> ! exit(1);
> ! }
> ! if (PostPortNumber == 0)
> ! PostPortNumber = (unsigned short) pq_getport();
> ! if (UnixSocketName == NULL)
> ! UnixSocketName = pq_getunixsocket();
>
> /*
> * Check for invalid combinations of switches
> ***************
> *** 622,628 ****
>
> if (NetServer)
> {
> ! status = StreamServerPort(hostName, PostPortName, &ServerSock_INET);
> if (status != STATUS_OK)
> {
> fprintf(stderr, "%s: cannot create INET stream port\n",
> --- 641,647 ----
>
> if (NetServer)
> {
> ! status = StreamServerPort(HostName, PostPortNumber, NULL, &ServerSock_INET);
> if (status != STATUS_OK)
> {
> fprintf(stderr, "%s: cannot create INET stream port\n",
> ***************
> *** 632,638 ****
> }
>
> #if !defined(__CYGWIN32__) && !defined(__QNX__)
> ! status = StreamServerPort(NULL, PostPortName, &ServerSock_UNIX);
> if (status != STATUS_OK)
> {
> fprintf(stderr, "%s: cannot create UNIX stream port\n",
> --- 651,657 ----
> }
>
> #if !defined(__CYGWIN32__) && !defined(__QNX__)
> ! status = StreamServerPort(NULL, PostPortNumber, UnixSocketName, &ServerSock_UNIX);
> if (status != STATUS_OK)
> {
> fprintf(stderr, "%s: cannot create UNIX stream port\n",
> ***************
> *** 642,648 ****
> #endif
> /* set up shared memory and semaphores */
> EnableMemoryContext(TRUE);
> ! reset_shared(PostPortName);
>
> /*
> * Initialize the list of active backends. This list is only used for
> --- 661,667 ----
> #endif
> /* set up shared memory and semaphores */
> EnableMemoryContext(TRUE);
> ! reset_shared(PostPortNumber);
>
> /*
> * Initialize the list of active backends. This list is only used for
> ***************
> *** 664,670 ****
> {
> if (SetOptsFile(
> progname, /* postmaster executable file */
> ! PostPortName, /* port number */
> DataDir, /* PGDATA */
> assert_enabled, /* whether -A is specified
> * or not */
> --- 683,691 ----
> {
> if (SetOptsFile(
> progname, /* postmaster executable file */
> ! HostName, /* IP address to bind to */
> ! PostPortNumber, /* port number */
> ! UnixSocketName, /* PGUNIXSOCKET */
> DataDir, /* PGDATA */
> assert_enabled, /* whether -A is specified
> * or not */
> ***************
> *** 753,759 ****
> {
> if (SetOptsFile(
> progname, /* postmaster executable file */
> ! PostPortName, /* port number */
> DataDir, /* PGDATA */
> assert_enabled, /* whether -A is specified
> * or not */
> --- 774,782 ----
> {
> if (SetOptsFile(
> progname, /* postmaster executable file */
> ! HostName, /* IP address to bind to */
> ! PostPortNumber, /* port number */
> ! UnixSocketName, /* PGUNIXSOCKET */
> DataDir, /* PGDATA */
> assert_enabled, /* whether -A is specified
> * or not */
> ***************
> *** 837,843 ****
> --- 860,868 ----
> fprintf(stderr, "\t-a system\tuse this authentication system\n");
> fprintf(stderr, "\t-b backend\tuse a specific backend server executable\n");
> fprintf(stderr, "\t-d [1-5]\tset debugging level\n");
> + fprintf(stderr, "\t-h hostname\tspecify hostname or IP address or 'any' for postmaster to listen on (also use -i)\n");
> fprintf(stderr, "\t-i \t\tlisten on TCP/IP sockets as well as Unix domain socket\n");
> + fprintf(stderr, "\t-k path\tspecify Unix-domain socket name for postmaster to listen on\n");
> #ifdef USE_SSL
> fprintf(stderr, " \t-l \t\tfor TCP/IP sockets, listen only on SSL connections\n");
> #endif
> ***************
> *** 1318,1328 ****
> --- 1343,1417 ----
> }
>
> /*
> + * get_host_port -- return a pseudo port number (16 bits)
> + * derived from the primary IP address of HostName.
> + */
> + static unsigned short
> + get_host_port(void)
> + {
> + static unsigned short hostPort = 0;
> +
> + if (hostPort == 0)
> + {
> + SockAddr saddr;
> + struct hostent *hp;
> +
> + hp = gethostbyname(HostName);
> + if ((hp == NULL) || (hp->h_addrtype != AF_INET))
> + {
> + char msg[1024];
> + snprintf(msg, sizeof(msg),
> + "FATAL: get_host_port: gethostbyname(%s) failed: %s\n",
> + HostName, hstrerror(h_errno));
> + fputs(msg, stderr);
> + pqdebug("%s", msg);
> + exit(1);
> + }
> + memmove((char *) &(saddr.in.sin_addr),
> + (char *) hp->h_addr,
> + hp->h_length);
> + hostPort = ntohl(saddr.in.sin_addr.s_addr) & 0xFFFF;
> + }
> +
> + return hostPort;
> + }
> +
> + /*
> * reset_shared -- reset shared memory and semaphores
> */
> static void
> reset_shared(unsigned short port)
> {
> + /*
> + * A typical ipc_key is 5432001, which is port 5432, sequence
> + * number 0, and 01 as the index in IPCKeyGetBufferMemoryKey().
> + * The 32-bit INT_MAX is 2147483 6 47.
> + *
> + * The default algorithm for calculating the IPC keys assumes that all
> + * instances of postmaster on a given host are listening on different
> + * ports. In order to work (prevent shared memory collisions) if you
> + * run multiple PostgreSQL instances on the same port and different IP
> + * addresses on a host, we change the algorithm if you give postmaster
> + * the -h option, or set PGHOST, to a value other than the internal
> + * default of "any".
> + *
> + * If HostName is not "any", then we generate the IPC keys using the
> + * last two octets of the IP address instead of the port number.
> + * This algorithm assumes that no one will run multiple PostgreSQL
> + * instances on one host using two IP addresses that have the same two
> + * last octets in different class C networks. If anyone does, it
> + * would be rare.
> + *
> + * So, if you use -h or PGHOST, don't try to run two instances of
> + * PostgreSQL on the same IP address but different ports. If you
> + * don't use them, then you must use different ports (via -p or
> + * PGPORT). And, of course, don't try to use both approaches on one
> + * host.
> + */
> +
> + if (strcmp(HostName, "any"))
> + port = get_host_port();
> +
> ipc_key = port * 1000 + shmem_seq * 100;
> CreateSharedMemoryAndSemaphores(ipc_key, MaxBackends);
> shmem_seq += 1;
> ***************
> *** 1540,1546 ****
> ctime(&tnow));
> fflush(stderr);
> shmem_exit(0);
> ! reset_shared(PostPortName);
> StartupPID = StartupDataBase();
> return;
> }
> --- 1629,1635 ----
> ctime(&tnow));
> fflush(stderr);
> shmem_exit(0);
> ! reset_shared(PostPortNumber);
> StartupPID = StartupDataBase();
> return;
> }
> ***************
> *** 1720,1726 ****
> * Set up the necessary environment variables for the backend This
> * should really be some sort of message....
> */
> ! sprintf(envEntry[0], "POSTPORT=%d", PostPortName);
> putenv(envEntry[0]);
> sprintf(envEntry[1], "POSTID=%d", NextBackendTag);
> putenv(envEntry[1]);
> --- 1809,1815 ----
> * Set up the necessary environment variables for the backend This
> * should really be some sort of message....
> */
> ! sprintf(envEntry[0], "POSTPORT=%d", PostPortNumber);
> putenv(envEntry[0]);
> sprintf(envEntry[1], "POSTID=%d", NextBackendTag);
> putenv(envEntry[1]);
> ***************
> *** 2174,2180 ****
> for (i = 0; i < 4; ++i)
> MemSet(ssEntry[i], 0, 2 * ARGV_SIZE);
>
> ! sprintf(ssEntry[0], "POSTPORT=%d", PostPortName);
> putenv(ssEntry[0]);
> sprintf(ssEntry[1], "POSTID=%d", NextBackendTag);
> putenv(ssEntry[1]);
> --- 2263,2269 ----
> for (i = 0; i < 4; ++i)
> MemSet(ssEntry[i], 0, 2 * ARGV_SIZE);
>
> ! sprintf(ssEntry[0], "POSTPORT=%d", PostPortNumber);
> putenv(ssEntry[0]);
> sprintf(ssEntry[1], "POSTID=%d", NextBackendTag);
> putenv(ssEntry[1]);
> ***************
> *** 2254,2260 ****
> * Create the opts file
> */
> static int
> ! SetOptsFile(char *progname, int port, char *datadir,
> int assert, int nbuf, char *execfile,
> int debuglvl, int netserver,
> #ifdef USE_SSL
> --- 2343,2349 ----
> * Create the opts file
> */
> static int
> ! SetOptsFile(char *progname, char *hostname, int port, char *unixsocket, char *datadir,
> int assert, int nbuf, char *execfile,
> int debuglvl, int netserver,
> #ifdef USE_SSL
> ***************
> *** 2279,2284 ****
> --- 2368,2383 ----
> return (-1);
> }
> snprintf(opts, sizeof(opts), "%s\n-p %d\n-D %s\n", progname, port, datadir);
> + if (netserver)
> + {
> + sprintf(buf, "-h %s\n", hostname);
> + strcat(opts, buf);
> + }
> + if (unixsocket)
> + {
> + sprintf(buf, "-k %s\n", unixsocket);
> + strcat(opts, buf);
> + }
> if (assert)
> {
> sprintf(buf, "-A %d\n", assert);
> Index: src/bin/pg_dump/pg_dump.c
> *** src/bin/pg_dump/pg_dump.c 2000/06/30 21:15:44 1.1
> --- src/bin/pg_dump/pg_dump.c 2000/07/01 18:41:22 1.2
> ***************
> *** 140,145 ****
> --- 140,146 ----
> " -D, --attribute-inserts dump data as INSERT commands with attribute names\n"
> " -h, --host <hostname> server host name\n"
> " -i, --ignore-version proceed when database version != pg_dump version\n"
> + " -k, --unixsocket <path> server Unix-domain socket name\n"
> " -n, --no-quotes suppress most quotes around identifiers\n"
> " -N, --quotes enable most quotes around identifiers\n"
> " -o, --oids dump object ids (oids)\n"
> ***************
> *** 158,163 ****
> --- 159,165 ----
> " -D dump data as INSERT commands with attribute names\n"
> " -h <hostname> server host name\n"
> " -i proceed when database version != pg_dump version\n"
> + " -k <path> server Unix-domain socket name\n"
> " -n suppress most quotes around identifiers\n"
> " -N enable most quotes around identifiers\n"
> " -o dump object ids (oids)\n"
> ***************
> *** 579,584 ****
> --- 581,587 ----
> const char *dbname = NULL;
> const char *pghost = NULL;
> const char *pgport = NULL;
> + const char *pgunixsocket = NULL;
> char *tablename = NULL;
> bool oids = false;
> TableInfo *tblinfo;
> ***************
> *** 598,603 ****
> --- 601,607 ----
> {"attribute-inserts", no_argument, NULL, 'D'},
> {"host", required_argument, NULL, 'h'},
> {"ignore-version", no_argument, NULL, 'i'},
> + {"unixsocket", required_argument, NULL, 'k'},
> {"no-quotes", no_argument, NULL, 'n'},
> {"quotes", no_argument, NULL, 'N'},
> {"oids", no_argument, NULL, 'o'},
> ***************
> *** 662,667 ****
> --- 666,674 ----
> case 'i': /* ignore database version mismatch */
> ignore_version = true;
> break;
> + case 'k': /* server Unix-domain socket */
> + pgunixsocket = optarg;
> + break;
> case 'n': /* Do not force double-quotes on
> * identifiers */
> force_quotes = false;
> ***************
> *** 782,788 ****
> exit(1);
> }
>
> - /* g_conn = PQsetdb(pghost, pgport, NULL, NULL, dbname); */
> if (pghost != NULL)
> {
> sprintf(tmp_string, "host=%s ", pghost);
> --- 789,794 ----
> ***************
> *** 791,796 ****
> --- 797,807 ----
> if (pgport != NULL)
> {
> sprintf(tmp_string, "port=%s ", pgport);
> + strcat(connect_string, tmp_string);
> + }
> + if (pgunixsocket != NULL)
> + {
> + sprintf(tmp_string, "unixsocket=%s ", pgunixsocket);
> strcat(connect_string, tmp_string);
> }
> if (dbname != NULL)
> Index: src/bin/psql/command.c
> *** src/bin/psql/command.c 2000/06/30 21:15:46 1.1
> --- src/bin/psql/command.c 2000/07/01 18:20:40 1.2
> ***************
> *** 1199,1204 ****
> --- 1199,1205 ----
> SetVariable(pset.vars, "USER", NULL);
> SetVariable(pset.vars, "HOST", NULL);
> SetVariable(pset.vars, "PORT", NULL);
> + SetVariable(pset.vars, "UNIXSOCKET", NULL);
> SetVariable(pset.vars, "ENCODING", NULL);
>
> /* If dbname is "" then use old name, else new one (even if NULL) */
> ***************
> *** 1228,1233 ****
> --- 1229,1235 ----
> do
> {
> need_pass = false;
> + /* FIXME use PQconnectdb to support passing the Unix socket */
> pset.db = PQsetdbLogin(PQhost(oldconn), PQport(oldconn),
> NULL, NULL, dbparam, userparam, pwparam);
>
> ***************
> *** 1303,1308 ****
> --- 1305,1311 ----
> SetVariable(pset.vars, "USER", PQuser(pset.db));
> SetVariable(pset.vars, "HOST", PQhost(pset.db));
> SetVariable(pset.vars, "PORT", PQport(pset.db));
> + SetVariable(pset.vars, "UNIXSOCKET", PQunixsocket(pset.db));
> SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
>
> pset.issuper = test_superuser(PQuser(pset.db));
> Index: src/bin/psql/command.h
> Index: src/bin/psql/common.c
> *** src/bin/psql/common.c 2000/06/30 21:15:46 1.1
> --- src/bin/psql/common.c 2000/07/01 18:20:40 1.2
> ***************
> *** 330,335 ****
> --- 330,336 ----
> SetVariable(pset.vars, "DBNAME", NULL);
> SetVariable(pset.vars, "HOST", NULL);
> SetVariable(pset.vars, "PORT", NULL);
> + SetVariable(pset.vars, "UNIXSOCKET", NULL);
> SetVariable(pset.vars, "USER", NULL);
> SetVariable(pset.vars, "ENCODING", NULL);
> return NULL;
> ***************
> *** 509,514 ****
> --- 510,516 ----
> SetVariable(pset.vars, "DBNAME", NULL);
> SetVariable(pset.vars, "HOST", NULL);
> SetVariable(pset.vars, "PORT", NULL);
> + SetVariable(pset.vars, "UNIXSOCKET", NULL);
> SetVariable(pset.vars, "USER", NULL);
> SetVariable(pset.vars, "ENCODING", NULL);
> return false;
> Index: src/bin/psql/help.c
> *** src/bin/psql/help.c 2000/06/30 21:15:46 1.1
> --- src/bin/psql/help.c 2000/07/01 18:20:40 1.2
> ***************
> *** 103,108 ****
> --- 103,118 ----
> puts(")");
>
> puts(" -H HTML table output mode (-P format=html)");
> +
> + /* Display default Unix-domain socket */
> + env = getenv("PGUNIXSOCKET");
> + printf(" -k <path> Specify Unix domain socket name (default: ");
> + if (env)
> + fputs(env, stdout);
> + else
> + fputs("computed from the port", stdout);
> + puts(")");
> +
> puts(" -l List available databases, then exit");
> puts(" -n Disable readline");
> puts(" -o <filename> Send query output to filename (or |pipe)");
> Index: src/bin/psql/prompt.c
> *** src/bin/psql/prompt.c 2000/06/30 21:15:46 1.1
> --- src/bin/psql/prompt.c 2000/07/01 18:20:40 1.2
> ***************
> *** 189,194 ****
> --- 189,199 ----
> if (pset.db && PQport(pset.db))
> strncpy(buf, PQport(pset.db), MAX_PROMPT_SIZE);
> break;
> + /* DB server Unix-domain socket */
> + case '<':
> + if (pset.db && PQunixsocket(pset.db))
> + strncpy(buf, PQunixsocket(pset.db), MAX_PROMPT_SIZE);
> + break;
> /* DB server user name */
> case 'n':
> if (pset.db)
> Index: src/bin/psql/prompt.h
> Index: src/bin/psql/settings.h
> Index: src/bin/psql/startup.c
> *** src/bin/psql/startup.c 2000/06/30 21:15:46 1.1
> --- src/bin/psql/startup.c 2000/07/01 18:20:40 1.2
> ***************
> *** 66,71 ****
> --- 66,72 ----
> char *dbname;
> char *host;
> char *port;
> + char *unixsocket;
> char *username;
> enum _actions action;
> char *action_string;
> ***************
> *** 158,163 ****
> --- 159,165 ----
> do
> {
> need_pass = false;
> + /* FIXME use PQconnectdb to allow setting the unix socket */
> pset.db = PQsetdbLogin(options.host, options.port, NULL, NULL,
> options.action == ACT_LIST_DB ? "template1" : options.dbname,
> username, password);
> ***************
> *** 202,207 ****
> --- 204,210 ----
> SetVariable(pset.vars, "USER", PQuser(pset.db));
> SetVariable(pset.vars, "HOST", PQhost(pset.db));
> SetVariable(pset.vars, "PORT", PQport(pset.db));
> + SetVariable(pset.vars, "UNIXSOCKET", PQunixsocket(pset.db));
> SetVariable(pset.vars, "ENCODING", pg_encoding_to_char(pset.encoding));
>
> #ifndef WIN32
> ***************
> *** 313,318 ****
> --- 316,322 ----
> {"field-separator", required_argument, NULL, 'F'},
> {"host", required_argument, NULL, 'h'},
> {"html", no_argument, NULL, 'H'},
> + {"unixsocket", required_argument, NULL, 'k'},
> {"list", no_argument, NULL, 'l'},
> {"no-readline", no_argument, NULL, 'n'},
> {"output", required_argument, NULL, 'o'},
> ***************
> *** 346,359 ****
> memset(options, 0, sizeof *options);
>
> #ifdef HAVE_GETOPT_LONG
> ! while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:lh:Hno:p:P:qRsStT:uU:v:VWxX?", long_options, &optindex)) != -1)
> #else /* not HAVE_GETOPT_LONG */
>
> /*
> * Be sure to leave the '-' in here, so we can catch accidental long
> * options.
> */
> ! while ((c = getopt(argc, argv, "aAc:d:eEf:F:lh:Hno:p:P:qRsStT:uU:v:VWxX?-")) != -1)
> #endif /* not HAVE_GETOPT_LONG */
> {
> switch (c)
> --- 350,363 ----
> memset(options, 0, sizeof *options);
>
> #ifdef HAVE_GETOPT_LONG
> ! while ((c = getopt_long(argc, argv, "aAc:d:eEf:F:lh:Hk:no:p:P:qRsStT:uU:v:VWxX?", long_options, &optindex)) != -1)
> #else /* not HAVE_GETOPT_LONG */
>
> /*
> * Be sure to leave the '-' in here, so we can catch accidental long
> * options.
> */
> ! while ((c = getopt(argc, argv, "aAc:d:eEf:F:lh:Hk:no:p:P:qRsStT:uU:v:VWxX?-")) != -1)
> #endif /* not HAVE_GETOPT_LONG */
> {
> switch (c)
> ***************
> *** 398,403 ****
> --- 402,410 ----
> break;
> case 'l':
> options->action = ACT_LIST_DB;
> + break;
> + case 'k':
> + options->unixsocket = optarg;
> break;
> case 'n':
> options->no_readline = true;
> Index: src/bin/scripts/createdb
> *** src/bin/scripts/createdb 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/createdb 2000/07/04 04:46:45 1.2
> ***************
> *** 50,55 ****
> --- 50,64 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> --username|-U)
> PSQLOPT="$PSQLOPT -U $2"
> shift;;
> ***************
> *** 114,119 ****
> --- 123,129 ----
> echo " -E, --encoding=ENCODING Multibyte encoding for the database"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as"
> echo " -W, --password Prompt for password"
> echo " -e, --echo Show the query being sent to the backend"
> Index: src/bin/scripts/createlang.sh
> *** src/bin/scripts/createlang.sh 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/createlang.sh 2000/07/04 04:46:45 1.2
> ***************
> *** 65,70 ****
> --- 65,79 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> --username|-U)
> PSQLOPT="$PSQLOPT -U $2"
> shift;;
> ***************
> *** 126,131 ****
> --- 135,141 ----
> echo "Options:"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as"
> echo " -W, --password Prompt for password"
> echo " -d, --dbname=DBNAME Database to install language in"
> Index: src/bin/scripts/createuser
> *** src/bin/scripts/createuser 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/createuser 2000/07/04 04:46:45 1.2
> ***************
> *** 63,68 ****
> --- 63,77 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> # Note: These two specify the user to connect as (like in psql),
> # not the user you're creating.
> --username|-U)
> ***************
> *** 135,140 ****
> --- 144,150 ----
> echo " -P, --pwprompt Assign a password to new user"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as (not the one to create)"
> echo " -W, --password Prompt for password to connect"
> echo " -e, --echo Show the query being sent to the backend"
> Index: src/bin/scripts/dropdb
> *** src/bin/scripts/dropdb 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/dropdb 2000/07/04 04:46:45 1.2
> ***************
> *** 59,64 ****
> --- 59,73 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> --username|-U)
> PSQLOPT="$PSQLOPT -U $2"
> shift;;
> ***************
> *** 103,108 ****
> --- 112,118 ----
> echo "Options:"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as"
> echo " -W, --password Prompt for password"
> echo " -i, --interactive Prompt before deleting anything"
> Index: src/bin/scripts/droplang
> *** src/bin/scripts/droplang 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/droplang 2000/07/04 04:46:45 1.2
> ***************
> *** 65,70 ****
> --- 65,79 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> --username|-U)
> PSQLOPT="$PSQLOPT -U $2"
> shift;;
> ***************
> *** 113,118 ****
> --- 122,128 ----
> echo "Options:"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as"
> echo " -W, --password Prompt for password"
> echo " -d, --dbname=DBNAME Database to remove language from"
> Index: src/bin/scripts/dropuser
> *** src/bin/scripts/dropuser 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/dropuser 2000/07/04 04:46:45 1.2
> ***************
> *** 59,64 ****
> --- 59,73 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> # Note: These two specify the user to connect as (like in psql),
> # not the user you're dropping.
> --username|-U)
> ***************
> *** 105,110 ****
> --- 114,120 ----
> echo "Options:"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as (not the one to drop)"
> echo " -W, --password Prompt for password to connect"
> echo " -i, --interactive Prompt before deleting anything"
> Index: src/bin/scripts/vacuumdb
> *** src/bin/scripts/vacuumdb 2000/06/30 21:15:46 1.1
> --- src/bin/scripts/vacuumdb 2000/07/04 04:46:45 1.2
> ***************
> *** 52,57 ****
> --- 52,66 ----
> --port=*)
> PSQLOPT="$PSQLOPT -p "`echo $1 | sed 's/^--port=//'`
> ;;
> + --unixsocket|-k)
> + PSQLOPT="$PSQLOPT -k $2"
> + shift;;
> + -k*)
> + PSQLOPT="$PSQLOPT $1"
> + ;;
> + --unixsocket=*)
> + PSQLOPT="$PSQLOPT -k "`echo $1 | sed 's/^--unixsocket=//'`
> + ;;
> --username|-U)
> PSQLOPT="$PSQLOPT -U $2"
> shift;;
> ***************
> *** 121,126 ****
> --- 130,136 ----
> echo "Options:"
> echo " -h, --host=HOSTNAME Database server host"
> echo " -p, --port=PORT Database server port"
> + echo " -k, --unixsocket=PATH Database server Unix-domain socket name"
> echo " -U, --username=USERNAME Username to connect as"
> echo " -W, --password Prompt for password"
> echo " -d, --dbname=DBNAME Database to vacuum"
> Index: src/include/libpq/libpq.h
> *** src/include/libpq/libpq.h 2000/06/30 21:15:47 1.1
> --- src/include/libpq/libpq.h 2000/07/01 18:20:40 1.2
> ***************
> *** 236,246 ****
> /*
> * prototypes for functions in pqcomm.c
> */
> ! extern int StreamServerPort(char *hostName, unsigned short portName, int *fdP);
> extern int StreamConnection(int server_fd, Port *port);
> extern void StreamClose(int sock);
> extern void pq_init(void);
> extern int pq_getport(void);
> extern void pq_close(void);
> extern int pq_getbytes(char *s, size_t len);
> extern int pq_getstring(StringInfo s);
> --- 236,247 ----
> /*
> * prototypes for functions in pqcomm.c
> */
> ! extern int StreamServerPort(char *hostName, unsigned short portName, char *unixSocketName, int *fdP);
> extern int StreamConnection(int server_fd, Port *port);
> extern void StreamClose(int sock);
> extern void pq_init(void);
> extern int pq_getport(void);
> + extern char *pq_getunixsocket(void);
> extern void pq_close(void);
> extern int pq_getbytes(char *s, size_t len);
> extern int pq_getstring(StringInfo s);
> Index: src/include/libpq/password.h
> Index: src/include/libpq/pqcomm.h
> *** src/include/libpq/pqcomm.h 2000/06/30 21:15:47 1.1
> --- src/include/libpq/pqcomm.h 2000/07/01 18:59:33 1.6
> ***************
> *** 42,53 ****
> /* Configure the UNIX socket address for the well known port. */
>
> #if defined(SUN_LEN)
> ! #define UNIXSOCK_PATH(sun,port) \
> ! (sprintf((sun).sun_path, "/tmp/.s.PGSQL.%d", (port)), SUN_LEN(&(sun)))
> #else
> ! #define UNIXSOCK_PATH(sun,port) \
> ! (sprintf((sun).sun_path, "/tmp/.s.PGSQL.%d", (port)), \
> ! strlen((sun).sun_path)+ offsetof(struct sockaddr_un, sun_path))
> #endif
>
> /*
> --- 42,56 ----
> /* Configure the UNIX socket address for the well known port. */
>
> #if defined(SUN_LEN)
> ! #define UNIXSOCK_PATH(sun,port,defpath) \
> ! (defpath ? (strncpy((sun).sun_path, defpath, sizeof((sun).sun_path)), (sun).sun_path[sizeof((sun).sun_path)-1] = '\0') : sprintf((sun).sun_path, "/tmp/.s.PGSQL.%d", (port)))
> ! #define UNIXSOCK_LEN(sun) \
> ! (SUN_LEN(&(sun)))
> #else
> ! #define UNIXSOCK_PATH(sun,port,defpath) \
> ! (defpath ? (strncpy((sun).sun_path, defpath, sizeof((sun).sun_path)), (sun).sun_path[sizeof((sun).sun_path)-1] = '\0') : sprintf((sun).sun_path, "/tmp/.s.PGSQL.%d", (port)))
> ! #define UNIXSOCK_LEN(sun) \
> ! (strlen((sun).sun_path)+ offsetof(struct sockaddr_un, sun_path))
> #endif
>
> /*
> Index: src/interfaces/libpq/fe-connect.c
> *** src/interfaces/libpq/fe-connect.c 2000/06/30 21:15:51 1.1
> --- src/interfaces/libpq/fe-connect.c 2000/07/01 18:50:47 1.3
> ***************
> *** 125,130 ****
> --- 125,133 ----
> {"port", "PGPORT", DEF_PGPORT, NULL,
> "Database-Port", "", 6},
>
> + {"unixsocket", "PGUNIXSOCKET", NULL, NULL,
> + "Unix-Socket", "", 80},
> +
> {"tty", "PGTTY", DefaultTty, NULL,
> "Backend-Debug-TTY", "D", 40},
>
> ***************
> *** 293,298 ****
> --- 296,303 ----
> conn->pghost = tmp ? strdup(tmp) : NULL;
> tmp = conninfo_getval(connOptions, "port");
> conn->pgport = tmp ? strdup(tmp) : NULL;
> + tmp = conninfo_getval(connOptions, "unixsocket");
> + conn->pgunixsocket = tmp ? strdup(tmp) : NULL;
> tmp = conninfo_getval(connOptions, "tty");
> conn->pgtty = tmp ? strdup(tmp) : NULL;
> tmp = conninfo_getval(connOptions, "options");
> ***************
> *** 369,374 ****
> --- 374,382 ----
> * PGPORT identifies TCP port to which to connect if <pgport> argument
> * is NULL or a null string.
> *
> + * PGUNIXSOCKET identifies Unix-domain socket to which to connect; default
> + * is computed from the TCP port.
> + *
> * PGTTY identifies tty to which to send messages if <pgtty> argument
> * is NULL or a null string.
> *
> ***************
> *** 422,427 ****
> --- 430,439 ----
> else
> conn->pgport = strdup(pgport);
>
> + conn->pgunixsocket = getenv("PGUNIXSOCKET");
> + if (conn->pgunixsocket)
> + conn->pgunixsocket = strdup(conn->pgunixsocket);
> +
> if ((pgtty == NULL) || pgtty[0] == '\0')
> {
> if ((tmp = getenv("PGTTY")) == NULL)
> ***************
> *** 489,501 ****
>
> /*
> * update_db_info -
> ! * get all additional infos out of dbName
> *
> */
> static int
> update_db_info(PGconn *conn)
> {
> ! char *tmp,
> *old = conn->dbName;
>
> if (strchr(conn->dbName, '@') != NULL)
> --- 501,513 ----
>
> /*
> * update_db_info -
> ! * get all additional info out of dbName
> *
> */
> static int
> update_db_info(PGconn *conn)
> {
> ! char *tmp, *tmp2,
> *old = conn->dbName;
>
> if (strchr(conn->dbName, '@') != NULL)
> ***************
> *** 504,509 ****
> --- 516,523 ----
> tmp = strrchr(conn->dbName, ':');
> if (tmp != NULL) /* port number given */
> {
> + if (conn->pgport)
> + free(conn->pgport);
> conn->pgport = strdup(tmp + 1);
> *tmp = '\0';
> }
> ***************
> *** 511,516 ****
> --- 525,532 ----
> tmp = strrchr(conn->dbName, '@');
> if (tmp != NULL) /* host name given */
> {
> + if (conn->pghost)
> + free(conn->pghost);
> conn->pghost = strdup(tmp + 1);
> *tmp = '\0';
> }
> ***************
> *** 537,549 ****
>
> /*
> * new style:
> ! * <tcp|unix>:postgresql://server[:port][/dbname][?options]
> */
> offset += strlen("postgresql://");
>
> tmp = strrchr(conn->dbName + offset, '?');
> if (tmp != NULL) /* options given */
> {
> conn->pgoptions = strdup(tmp + 1);
> *tmp = '\0';
> }
> --- 553,567 ----
>
> /*
> * new style:
> ! * <tcp|unix>:postgresql://server[:port|:/unixsocket/path:][/dbname][?options]
> */
> offset += strlen("postgresql://");
>
> tmp = strrchr(conn->dbName + offset, '?');
> if (tmp != NULL) /* options given */
> {
> + if (conn->pgoptions)
> + free(conn->pgoptions);
> conn->pgoptions = strdup(tmp + 1);
> *tmp = '\0';
> }
> ***************
> *** 551,576 ****
> tmp = strrchr(conn->dbName + offset, '/');
> if (tmp != NULL) /* database name given */
> {
> conn->dbName = strdup(tmp + 1);
> *tmp = '\0';
> }
> else
> {
> if ((tmp = getenv("PGDATABASE")) != NULL)
> conn->dbName = strdup(tmp);
> else if (conn->pguser)
> conn->dbName = strdup(conn->pguser);
> }
>
> tmp = strrchr(old + offset, ':');
> ! if (tmp != NULL) /* port number given */
> {
> - conn->pgport = strdup(tmp + 1);
> *tmp = '\0';
> }
>
> if (strncmp(old, "unix:", 5) == 0)
> {
> conn->pghost = NULL;
> if (strcmp(old + offset, "localhost") != 0)
> {
> --- 569,630 ----
> tmp = strrchr(conn->dbName + offset, '/');
> if (tmp != NULL) /* database name given */
> {
> + if (conn->dbName)
> + free(conn->dbName);
> conn->dbName = strdup(tmp + 1);
> *tmp = '\0';
> }
> else
> {
> + /* Why do we default only this value from the environment again? */
> if ((tmp = getenv("PGDATABASE")) != NULL)
> + {
> + if (conn->dbName)
> + free(conn->dbName);
> conn->dbName = strdup(tmp);
> + }
> else if (conn->pguser)
> + {
> + if (conn->dbName)
> + free(conn->dbName);
> conn->dbName = strdup(conn->pguser);
> + }
> }
>
> tmp = strrchr(old + offset, ':');
> ! if (tmp != NULL) /* port number or Unix socket path given */
> {
> *tmp = '\0';
> + if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
> + {
> + if (strncmp(old, "unix:", 5) != 0)
> + {
> + printfPQExpBuffer(&conn->errorMessage,
> + "connectDBStart() -- "
> + "socket name can only be specified with "
> + "non-TCP\n");
> + return 1;
> + }
> + *tmp2 = '\0';
> + if (conn->pgunixsocket)
> + free(conn->pgunixsocket);
> + conn->pgunixsocket = strdup(tmp + 1);
> + }
> + else
> + {
> + if (conn->pgport)
> + free(conn->pgport);
> + conn->pgport = strdup(tmp + 1);
> + if (conn->pgunixsocket)
> + free(conn->pgunixsocket);
> + conn->pgunixsocket = NULL;
> + }
> }
>
> if (strncmp(old, "unix:", 5) == 0)
> {
> + if (conn->pghost)
> + free(conn->pghost);
> conn->pghost = NULL;
> if (strcmp(old + offset, "localhost") != 0)
> {
> ***************
> *** 582,589 ****
> }
> }
> else
> conn->pghost = strdup(old + offset);
> !
> free(old);
> }
> }
> --- 636,646 ----
> }
> }
> else
> + {
> + if (conn->pghost)
> + free(conn->pghost);
> conn->pghost = strdup(old + offset);
> ! }
> free(old);
> }
> }
> ***************
> *** 743,749 ****
> }
> #if !defined(WIN32) && !defined(__CYGWIN32__)
> else
> ! conn->raddr_len = UNIXSOCK_PATH(conn->raddr.un, portno);
> #endif
>
>
> --- 800,809 ----
> }
> #if !defined(WIN32) && !defined(__CYGWIN32__)
> else
> ! {
> ! UNIXSOCK_PATH(conn->raddr.un, portno, conn->pgunixsocket);
> ! conn->raddr_len = UNIXSOCK_LEN(conn->raddr.un);
> ! }
> #endif
>
>
> ***************
> *** 892,898 ****
> conn->pghost ? conn->pghost : "localhost",
> (family == AF_INET) ?
> "TCP/IP port" : "Unix socket",
> ! conn->pgport);
> goto connect_errReturn;
> }
> }
> --- 952,959 ----
> conn->pghost ? conn->pghost : "localhost",
> (family == AF_INET) ?
> "TCP/IP port" : "Unix socket",
> ! (family == AF_UNIX && conn->pgunixsocket) ?
> ! conn->pgunixsocket : conn->pgport);
> goto connect_errReturn;
> }
> }
> ***************
> *** 1123,1129 ****
> conn->pghost ? conn->pghost : "localhost",
> (conn->raddr.sa.sa_family == AF_INET) ?
> "TCP/IP port" : "Unix socket",
> ! conn->pgport);
> goto error_return;
> }
>
> --- 1184,1191 ----
> conn->pghost ? conn->pghost : "localhost",
> (conn->raddr.sa.sa_family == AF_INET) ?
> "TCP/IP port" : "Unix socket",
> ! (conn->raddr.sa.sa_family == AF_UNIX && conn->pgunixsocket) ?
> ! conn->pgunixsocket : conn->pgport);
> goto error_return;
> }
>
> ***************
> *** 1799,1804 ****
> --- 1861,1868 ----
> free(conn->pghostaddr);
> if (conn->pgport)
> free(conn->pgport);
> + if (conn->pgunixsocket)
> + free(conn->pgunixsocket);
> if (conn->pgtty)
> free(conn->pgtty);
> if (conn->pgoptions)
> ***************
> *** 2383,2388 ****
> --- 2447,2460 ----
> if (!conn)
> return (char *) NULL;
> return conn->pgport;
> + }
> +
> + char *
> + PQunixsocket(const PGconn *conn)
> + {
> + if (!conn)
> + return (char *) NULL;
> + return conn->pgunixsocket;
> }
>
> char *
> Index: src/interfaces/libpq/libpq-fe.h
> *** src/interfaces/libpq/libpq-fe.h 2000/06/30 21:15:51 1.1
> --- src/interfaces/libpq/libpq-fe.h 2000/07/01 18:20:40 1.2
> ***************
> *** 214,219 ****
> --- 214,220 ----
> extern char *PQpass(const PGconn *conn);
> extern char *PQhost(const PGconn *conn);
> extern char *PQport(const PGconn *conn);
> + extern char *PQunixsocket(const PGconn *conn);
> extern char *PQtty(const PGconn *conn);
> extern char *PQoptions(const PGconn *conn);
> extern ConnStatusType PQstatus(const PGconn *conn);
> Index: src/interfaces/libpq/libpq-int.h
> *** src/interfaces/libpq/libpq-int.h 2000/06/30 21:15:51 1.1
> --- src/interfaces/libpq/libpq-int.h 2000/07/01 18:20:40 1.2
> ***************
> *** 202,207 ****
> --- 202,209 ----
> * numbers-and-dots notation. Takes
> * precedence over above. */
> char *pgport; /* the server's communication port */
> + char *pgunixsocket; /* the Unix-domain socket that the server is listening on;
> + * if NULL, uses a default constructed from pgport */
> char *pgtty; /* tty on which the backend messages is
> * displayed (NOT ACTUALLY USED???) */
> char *pgoptions; /* options to start the backend with */
> Index: src/interfaces/libpq/libpqdll.def
> *** src/interfaces/libpq/libpqdll.def 2000/06/30 21:15:51 1.1
> --- src/interfaces/libpq/libpqdll.def 2000/07/01 18:20:40 1.2
> ***************
> *** 79,81 ****
> --- 79,82 ----
> destroyPQExpBuffer @ 76
> createPQExpBuffer @ 77
> PQconninfoFree @ 78
> + PQunixsocket @ 79
>

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026