First phase of FE/BE protocol modifications: new StartupPacket layout

with variable-width fields.  No more truncation of long user names.
Also, libpq can now send its environment-variable-driven SET commands
as part of the startup packet, saving round trips to server.
This commit is contained in:
Tom Lane 2003-04-17 22:26:02 +00:00
parent 76fd678c06
commit cb7fb3ca95
16 changed files with 436 additions and 300 deletions

View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.117 2003/03/25 16:15:37 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.118 2003/04/17 22:26:00 tgl Exp $
-->
<chapter id="libpq">
@ -193,7 +193,7 @@ PGconn *PQconnectdb(const char *conninfo);
<term><literal>tty</literal></term>
<listitem>
<para>
A file or <acronym>TTY</acronym> for optional debug output from the server.
Ignored (formerly, this specified where to send server debug output).
</para>
</listitem>
</varlistentry>
@ -669,6 +669,9 @@ char *PQport(const PGconn *conn);
<listitem>
<para>
Returns the debug <acronym>TTY</acronym> of the connection.
(This is obsolete, since the server no longer pays attention
to the <acronym>TTY</acronym> setting, but the function remains
for backwards compatibility.)
<synopsis>
char *PQtty(const PGconn *conn);
</synopsis>
@ -2365,12 +2368,6 @@ the <productname>PostgreSQL</productname> server.
</listitem>
<listitem>
<para>
<envar>PGTTY</envar> sets the file or <acronym>TTY</> on which debugging
messages from the server are displayed.
</para>
</listitem>
<listitem>
<para>
<envar>PGREQUIRESSL</envar> sets whether or not the connection must be
made over <acronym>SSL</acronym>. If set to
<quote>1</quote>, <application>libpq</>
@ -2678,7 +2675,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
pgtty = NULL; /* debugging tty for the backend server */
pgtty = NULL; /* unused */
dbName = "template1";
/* make a connection to the database */
@ -2826,7 +2823,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
pgtty = NULL; /* debugging tty for the backend server */
pgtty = NULL; /* unused */
dbName = getenv("USER"); /* change this to the name of your test
* database */
@ -2950,7 +2947,7 @@ main()
pgport = NULL; /* port of the backend server */
pgoptions = NULL; /* special options to start up the backend
* server */
pgtty = NULL; /* debugging tty for the backend server */
pgtty = NULL; /* unused */
dbName = getenv("USER"); /* change this to the name of your test
* database */

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.97 2003/02/14 14:05:00 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.98 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -29,7 +29,6 @@
#include "libpq/crypt.h"
#include "libpq/hba.h"
#include "libpq/libpq.h"
#include "libpq/password.h"
#include "libpq/pqcomm.h"
#include "libpq/pqformat.h"
#include "miscadmin.h"
@ -378,7 +377,7 @@ auth_failed(Port *port, int status)
}
elog(FATAL, "%s authentication failed for user \"%s\"",
authmethod, port->user);
authmethod, port->user_name);
/* doesn't return */
}
@ -427,7 +426,7 @@ ClientAuthentication(Port *port)
elog(FATAL,
"No pg_hba.conf entry for host %s, user %s, database %s",
hostinfo, port->user, port->database);
hostinfo, port->user_name, port->database_name);
break;
}
@ -638,10 +637,12 @@ CheckPAMAuth(Port *port, char *user, char *password)
* not allocated */
/* Optionally, one can set the service name in pg_hba.conf */
if (port->auth_arg[0] == '\0')
retval = pam_start(PGSQL_PAM_SERVICE, "pgsql@", &pam_passw_conv, &pamh);
if (port->auth_arg && port->auth_arg[0] != '\0')
retval = pam_start(port->auth_arg, "pgsql@",
&pam_passw_conv, &pamh);
else
retval = pam_start(port->auth_arg, "pgsql@", &pam_passw_conv, &pamh);
retval = pam_start(PGSQL_PAM_SERVICE, "pgsql@",
&pam_passw_conv, &pamh);
if (retval != PAM_SUCCESS)
{
@ -741,7 +742,7 @@ recv_and_check_password_packet(Port *port)
/* Do not echo password to logs, for security. */
elog(DEBUG5, "received password packet");
result = md5_crypt_verify(port, port->user, buf.data);
result = md5_crypt_verify(port, port->user_name, buf.data);
pfree(buf.data);
return result;

View File

@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/libpq/crypt.c,v 1.51 2002/12/05 18:52:42 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/crypt.c,v 1.52 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -87,15 +87,19 @@ md5_crypt_verify(const Port *port, const char *user, char *client_pass)
/* pg_shadow plain, double-encrypt */
char *crypt_pwd2 = palloc(MD5_PASSWD_LEN + 1);
if (!EncryptMD5(shadow_pass, port->user, strlen(port->user),
if (!EncryptMD5(shadow_pass,
port->user_name,
strlen(port->user_name),
crypt_pwd2))
{
pfree(crypt_pwd);
pfree(crypt_pwd2);
return STATUS_ERROR;
}
if (!EncryptMD5(crypt_pwd2 + strlen("md5"), port->md5Salt,
sizeof(port->md5Salt), crypt_pwd))
if (!EncryptMD5(crypt_pwd2 + strlen("md5"),
port->md5Salt,
sizeof(port->md5Salt),
crypt_pwd))
{
pfree(crypt_pwd);
pfree(crypt_pwd2);
@ -117,7 +121,9 @@ md5_crypt_verify(const Port *port, const char *user, char *client_pass)
{
/* Encrypt user-supplied password to match MD5 in pg_shadow */
crypt_client_pass = palloc(MD5_PASSWD_LEN + 1);
if (!EncryptMD5(client_pass, port->user, strlen(port->user),
if (!EncryptMD5(client_pass,
port->user_name,
strlen(port->user_name),
crypt_client_pass))
{
pfree(crypt_client_pass);

View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.98 2003/04/13 04:07:17 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.99 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -471,15 +471,17 @@ check_db(char *dbname, char *user, char *param_str)
/*
* Scan the rest of a host record (after the mask field)
* and return the interpretation of it as *userauth_p, auth_arg, and
* and return the interpretation of it as *userauth_p, *auth_arg_p, and
* *error_p. line points to the next token of the line.
*/
static void
parse_hba_auth(List *line, UserAuth *userauth_p, char *auth_arg,
parse_hba_auth(List *line, UserAuth *userauth_p, char **auth_arg_p,
bool *error_p)
{
char *token;
*auth_arg_p = NULL;
if (!line)
*error_p = true;
else
@ -514,11 +516,10 @@ parse_hba_auth(List *line, UserAuth *userauth_p, char *auth_arg,
if (!*error_p)
{
/* Get the authentication argument token, if any */
if (!line)
auth_arg[0] = '\0';
else
if (line)
{
StrNCpy(auth_arg, lfirst(line), MAX_AUTH_ARG - 1);
token = lfirst(line);
*auth_arg_p = pstrdup(token);
/* If there is more on the line, it is an error */
if (lnext(line))
*error_p = true;
@ -570,7 +571,7 @@ parse_hba(List *line, hbaPort *port, bool *found_p, bool *error_p)
goto hba_syntax;
/* Read the rest of the line. */
parse_hba_auth(line, &port->auth_method, port->auth_arg, error_p);
parse_hba_auth(line, &port->auth_method, &port->auth_arg, error_p);
if (*error_p)
goto hba_syntax;
@ -642,7 +643,7 @@ parse_hba(List *line, hbaPort *port, bool *found_p, bool *error_p)
line = lnext(line);
if (!line)
goto hba_syntax;
parse_hba_auth(line, &port->auth_method, port->auth_arg, error_p);
parse_hba_auth(line, &port->auth_method, &port->auth_arg, error_p);
if (*error_p)
goto hba_syntax;
@ -654,9 +655,9 @@ parse_hba(List *line, hbaPort *port, bool *found_p, bool *error_p)
else
goto hba_syntax;
if (!check_db(port->database, port->user, db))
if (!check_db(port->database_name, port->user_name, db))
return;
if (!check_user(port->user, user))
if (!check_user(port->user_name, user))
return;
/* Success */
@ -946,7 +947,7 @@ check_ident_usermap(const char *usermap_name,
bool found_entry = false,
error = false;
if (usermap_name[0] == '\0')
if (usermap_name == NULL || usermap_name[0] == '\0')
{
elog(LOG, "check_ident_usermap: hba configuration file does not "
"have the usermap field filled in in the entry that pertains "
@ -1387,7 +1388,7 @@ authident(hbaPort *port)
return STATUS_ERROR;
}
if (check_ident_usermap(port->auth_arg, port->user, ident_user))
if (check_ident_usermap(port->auth_arg, port->user_name, ident_user))
return STATUS_OK;
else
return STATUS_ERROR;

View File

@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.310 2003/04/06 22:45:22 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.311 2003/04/17 22:26:01 tgl Exp $
*
* NOTES
*
@ -105,11 +105,10 @@
#include "utils/memutils.h"
#include "utils/ps_status.h"
#include "bootstrap/bootstrap.h"
#include "pgstat.h"
#define INVALID_SOCK (-1)
#define ARGV_SIZE 64
#ifdef HAVE_SIGPROCMASK
sigset_t UnBlockSig,
@ -1114,10 +1113,11 @@ initMasks(fd_set *rmask, fd_set *wmask)
static int
ProcessStartupPacket(Port *port, bool SSLdone)
{
StartupPacket *packet;
enum CAC_state cac;
int32 len;
void *buf;
ProtocolVersion proto;
MemoryContext oldcontext;
if (pq_getbytes((char *) &len, 4) == EOF)
{
@ -1128,11 +1128,20 @@ ProcessStartupPacket(Port *port, bool SSLdone)
len = ntohl(len);
len -= 4;
if (len < sizeof(ProtocolVersion) || len > sizeof(StartupPacket))
if (len < (int32) sizeof(ProtocolVersion) ||
len > MAX_STARTUP_PACKET_LENGTH)
elog(FATAL, "invalid length of startup packet");
/* Ensure we see zeroes for any bytes not sent */
buf = palloc0(sizeof(StartupPacket));
/*
* Allocate at least the size of an old-style startup packet, plus one
* extra byte, and make sure all are zeroes. This ensures we will have
* null termination of all strings, in both fixed- and variable-length
* packet layouts.
*/
if (len <= (int32) sizeof(StartupPacket))
buf = palloc0(sizeof(StartupPacket) + 1);
else
buf = palloc0(len + 1);
if (pq_getbytes(buf, len) == EOF)
{
@ -1140,21 +1149,19 @@ ProcessStartupPacket(Port *port, bool SSLdone)
return STATUS_ERROR;
}
packet = buf;
/*
* The first field is either a protocol version number or a special
* request code.
*/
port->proto = ntohl(packet->protoVersion);
port->proto = proto = ntohl(*((ProtocolVersion *) buf));
if (port->proto == CANCEL_REQUEST_CODE)
if (proto == CANCEL_REQUEST_CODE)
{
processCancelRequest(port, packet);
processCancelRequest(port, buf);
return 127; /* XXX */
}
if (port->proto == NEGOTIATE_SSL_CODE && !SSLdone)
if (proto == NEGOTIATE_SSL_CODE && !SSLdone)
{
char SSLok;
@ -1187,39 +1194,113 @@ ProcessStartupPacket(Port *port, bool SSLdone)
/* Check we can handle the protocol the frontend is using. */
if (PG_PROTOCOL_MAJOR(port->proto) < PG_PROTOCOL_MAJOR(PG_PROTOCOL_EARLIEST) ||
PG_PROTOCOL_MAJOR(port->proto) > PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST) ||
(PG_PROTOCOL_MAJOR(port->proto) == PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST) &&
PG_PROTOCOL_MINOR(port->proto) > PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST)))
elog(FATAL, "unsupported frontend protocol");
if (PG_PROTOCOL_MAJOR(proto) < PG_PROTOCOL_MAJOR(PG_PROTOCOL_EARLIEST) ||
PG_PROTOCOL_MAJOR(proto) > PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST) ||
(PG_PROTOCOL_MAJOR(proto) == PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST) &&
PG_PROTOCOL_MINOR(proto) > PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST)))
elog(FATAL, "unsupported frontend protocol %u.%u: server supports %u.0 to %u.%u",
PG_PROTOCOL_MAJOR(proto), PG_PROTOCOL_MINOR(proto),
PG_PROTOCOL_MAJOR(PG_PROTOCOL_EARLIEST),
PG_PROTOCOL_MAJOR(PG_PROTOCOL_LATEST),
PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST));
/*
* Get the parameters from the startup packet as C strings. The
* packet destination was cleared first so a short packet has zeros
* silently added.
* XXX temporary for 3.0 protocol development: we are using the minor
* number as a test-version number. Insist it match exactly so people
* don't get burnt by using yesterday's libpq with today's server.
* XXX this must go away before release!!!
*/
StrNCpy(port->database, packet->database, sizeof(port->database));
StrNCpy(port->user, packet->user, sizeof(port->user));
StrNCpy(port->options, packet->options, sizeof(port->options));
StrNCpy(port->tty, packet->tty, sizeof(port->tty));
/* The database defaults to the user name. */
if (port->database[0] == '\0')
StrNCpy(port->database, packet->user, sizeof(port->database));
if (PG_PROTOCOL_MAJOR(proto) == 3 &&
PG_PROTOCOL_MINOR(proto) != PG_PROTOCOL_MINOR(PG_PROTOCOL_LATEST))
elog(FATAL, "Your development libpq is out of sync with the server");
/*
* Truncate given database and user names to length of a Postgres
* name. This avoids lookup failures when overlength names are given.
* Now fetch parameters out of startup packet and save them into the
* Port structure. All data structures attached to the Port struct
* must be allocated in TopMemoryContext so that they won't disappear
* when we pass them to PostgresMain (see DoBackend). We need not worry
* about leaking this storage on failure, since we aren't in the postmaster
* process anymore.
*/
if ((int) sizeof(port->database) >= NAMEDATALEN)
port->database[NAMEDATALEN - 1] = '\0';
if ((int) sizeof(port->user) >= NAMEDATALEN)
port->user[NAMEDATALEN - 1] = '\0';
oldcontext = MemoryContextSwitchTo(TopMemoryContext);
if (PG_PROTOCOL_MAJOR(proto) >= 3)
{
int32 offset = sizeof(ProtocolVersion);
/*
* Scan packet body for name/option pairs. We can assume any
* string beginning within the packet body is null-terminated,
* thanks to zeroing extra byte above.
*/
port->guc_options = NIL;
while (offset < len)
{
char *nameptr = ((char *) buf) + offset;
int32 valoffset;
char *valptr;
if (*nameptr == '\0')
break; /* found packet terminator */
valoffset = offset + strlen(nameptr) + 1;
if (valoffset >= len)
break; /* missing value, will complain below */
valptr = ((char *) buf) + valoffset;
if (strcmp(nameptr, "database") == 0)
port->database_name = pstrdup(valptr);
else if (strcmp(nameptr, "user") == 0)
port->user_name = pstrdup(valptr);
else if (strcmp(nameptr, "options") == 0)
port->cmdline_options = pstrdup(valptr);
else
{
/* Assume it's a generic GUC option */
port->guc_options = lappend(port->guc_options,
pstrdup(nameptr));
port->guc_options = lappend(port->guc_options,
pstrdup(valptr));
}
offset = valoffset + strlen(valptr) + 1;
}
/*
* If we didn't find a packet terminator exactly at the end of the
* given packet length, complain.
*/
if (offset != len-1)
elog(FATAL, "invalid startup packet layout: expected terminator as last byte");
}
else
{
/*
* Get the parameters from the old-style, fixed-width-fields startup
* packet as C strings. The packet destination was cleared first so a
* short packet has zeros silently added. We have to be prepared to
* truncate the pstrdup result for oversize fields, though.
*/
StartupPacket *packet = (StartupPacket *) buf;
port->database_name = pstrdup(packet->database);
if (strlen(port->database_name) > sizeof(packet->database))
port->database_name[sizeof(packet->database)] = '\0';
port->user_name = pstrdup(packet->user);
if (strlen(port->user_name) > sizeof(packet->user))
port->user_name[sizeof(packet->user)] = '\0';
port->cmdline_options = pstrdup(packet->options);
if (strlen(port->cmdline_options) > sizeof(packet->options))
port->cmdline_options[sizeof(packet->options)] = '\0';
port->guc_options = NIL;
}
/* Check a user name was given. */
if (port->user[0] == '\0')
if (port->user_name == NULL || port->user_name[0] == '\0')
elog(FATAL, "no PostgreSQL user name specified in startup packet");
/* The database defaults to the user name. */
if (port->database_name == NULL || port->database_name[0] == '\0')
port->database_name = pstrdup(port->user_name);
if (Db_user_namespace)
{
/*
@ -1228,19 +1309,35 @@ ProcessStartupPacket(Port *port, bool SSLdone)
* string or they may fake as a local user of another database
* attaching to this database.
*/
if (strchr(port->user, '@') == port->user + strlen(port->user) - 1)
*strchr(port->user, '@') = '\0';
if (strchr(port->user_name, '@') ==
port->user_name + strlen(port->user_name) - 1)
*strchr(port->user_name, '@') = '\0';
else
{
/* Append '@' and dbname */
char hold_user[SM_DATABASE_USER + 1];
char *db_user;
snprintf(hold_user, SM_DATABASE_USER + 1, "%s@%s", port->user,
port->database);
strcpy(port->user, hold_user);
db_user = palloc(strlen(port->user_name) +
strlen(port->database_name) + 2);
sprintf(db_user, "%s@%s", port->user_name, port->database_name);
port->user_name = db_user;
}
}
/*
* Truncate given database and user names to length of a Postgres
* name. This avoids lookup failures when overlength names are given.
*/
if (strlen(port->database_name) >= NAMEDATALEN)
port->database_name[NAMEDATALEN - 1] = '\0';
if (strlen(port->user_name) >= NAMEDATALEN)
port->user_name[NAMEDATALEN - 1] = '\0';
/*
* Done putting stuff in TopMemoryContext.
*/
MemoryContextSwitchTo(oldcontext);
/*
* If we're going to reject the connection due to database state, say
* so now instead of wasting cycles on an authentication exchange.
@ -2076,13 +2173,11 @@ static int
DoBackend(Port *port)
{
char *remote_host;
char *av[ARGV_SIZE * 2];
int ac = 0;
char debugbuf[ARGV_SIZE];
char protobuf[ARGV_SIZE];
char dbbuf[ARGV_SIZE];
char optbuf[ARGV_SIZE];
char ttybuf[ARGV_SIZE];
char **av;
int maxac;
int ac;
char debugbuf[32];
char protobuf[32];
int i;
int status;
struct timeval now;
@ -2225,7 +2320,7 @@ DoBackend(Port *port)
* title for ps. It's good to do this as early as possible in
* startup.
*/
init_ps_display(port->user, port->database, remote_host);
init_ps_display(port->user_name, port->database_name, remote_host);
set_ps_display("authentication");
/*
@ -2243,7 +2338,7 @@ DoBackend(Port *port)
if (Log_connections)
elog(LOG, "connection authorized: user=%s database=%s",
port->user, port->database);
port->user_name, port->database_name);
/*
* Don't want backend to be able to see the postmaster random number
@ -2260,8 +2355,20 @@ DoBackend(Port *port)
* The layout of the command line is
* postgres [secure switches] -p databasename [insecure switches]
* where the switches after -p come from the client request.
*
* The maximum possible number of commandline arguments that could come
* from ExtraOptions or port->cmdline_options is (strlen + 1) / 2; see
* split_opts().
* ----------------
*/
maxac = 10; /* for fixed args supplied below */
maxac += (strlen(ExtraOptions) + 1) / 2;
if (port->cmdline_options)
maxac += (strlen(port->cmdline_options) + 1) / 2;
av = (char **) MemoryContextAlloc(TopMemoryContext,
maxac * sizeof(char *));
ac = 0;
av[ac++] = "postgres";
@ -2270,7 +2377,7 @@ DoBackend(Port *port)
*/
if (debug_flag > 0)
{
sprintf(debugbuf, "-d%d", debug_flag);
snprintf(debugbuf, sizeof(debugbuf), "-d%d", debug_flag);
av[ac++] = debugbuf;
}
@ -2283,7 +2390,7 @@ DoBackend(Port *port)
split_opts(av, &ac, ExtraOptions);
/* Tell the backend what protocol the frontend is using. */
sprintf(protobuf, "-v%u", port->proto);
snprintf(protobuf, sizeof(protobuf), "-v%u", port->proto);
av[ac++] = protobuf;
/*
@ -2291,38 +2398,25 @@ DoBackend(Port *port)
* database to use. -p marks the end of secure switches.
*/
av[ac++] = "-p";
StrNCpy(dbbuf, port->database, ARGV_SIZE);
av[ac++] = dbbuf;
av[ac++] = port->database_name;
/*
* Pass the (insecure) option switches from the connection request.
* (It's OK to mangle port->cmdline_options now.)
*/
StrNCpy(optbuf, port->options, ARGV_SIZE);
split_opts(av, &ac, optbuf);
/*
* Pass the (insecure) debug output file request.
*
* NOTE: currently, this is useless code, since the backend will not
* honor an insecure -o switch. I left it here since the backend
* could be modified to allow insecure -o, given adequate checking
* that the specified filename is something safe to write on.
*/
if (port->tty[0])
{
StrNCpy(ttybuf, port->tty, ARGV_SIZE);
av[ac++] = "-o";
av[ac++] = ttybuf;
}
if (port->cmdline_options)
split_opts(av, &ac, port->cmdline_options);
av[ac] = (char *) NULL;
Assert(ac < maxac);
/*
* Release postmaster's working memory context so that backend can
* recycle the space. Note this does not trash *MyProcPort, because
* ConnCreate() allocated that space with malloc() ... else we'd need
* to copy the Port data here.
* to copy the Port data here. Also, subsidiary data such as the
* username isn't lost either; see ProcessStartupPacket().
*/
MemoryContextSwitchTo(TopMemoryContext);
MemoryContextDelete(PostmasterContext);
@ -2339,7 +2433,7 @@ DoBackend(Port *port)
ClientAuthInProgress = false; /* client_min_messages is active
* now */
return (PostgresMain(ac, av, port->user));
return (PostgresMain(ac, av, port->user_name));
}
/*
@ -2578,11 +2672,10 @@ SSDataBase(int xlop)
if ((pid = fork()) == 0) /* child */
{
const char *statmsg;
char *av[ARGV_SIZE * 2];
char *av[10];
int ac = 0;
char nbbuf[ARGV_SIZE];
char dbbuf[ARGV_SIZE];
char xlbuf[ARGV_SIZE];
char nbbuf[32];
char xlbuf[32];
#ifdef LINUX_PROFILE
setitimer(ITIMER_PROF, &prof_itimer, NULL);
@ -2626,19 +2719,19 @@ SSDataBase(int xlop)
/* Set up command-line arguments for subprocess */
av[ac++] = "postgres";
sprintf(nbbuf, "-B%d", NBuffers);
snprintf(nbbuf, sizeof(nbbuf), "-B%d", NBuffers);
av[ac++] = nbbuf;
sprintf(xlbuf, "-x%d", xlop);
snprintf(xlbuf, sizeof(xlbuf), "-x%d", xlop);
av[ac++] = xlbuf;
av[ac++] = "-p";
StrNCpy(dbbuf, "template1", ARGV_SIZE);
av[ac++] = dbbuf;
av[ac++] = "template1";
av[ac] = (char *) NULL;
Assert(ac < lengthof(av));
BootstrapMain(ac, av);
ExitPostmaster(0);
}

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.320 2003/03/24 18:33:52 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.321 2003/04/17 22:26:01 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -1611,6 +1611,26 @@ PostgresMain(int argc, char *argv[], const char *username)
if (debug_flag >= 5)
SetConfigOption("debug_print_rewritten", "true", ctx, gucsource);
/*
* Process any additional GUC variable settings passed in startup packet.
*/
if (MyProcPort != NULL)
{
List *gucopts = MyProcPort->guc_options;
while (gucopts)
{
char *name,
*value;
name = lfirst(gucopts);
gucopts = lnext(gucopts);
value = lfirst(gucopts);
gucopts = lnext(gucopts);
SetConfigOption(name, value, PGC_BACKEND, PGC_S_CLIENT);
}
}
/*
* Post-processing for command line options.
*/
@ -1795,7 +1815,7 @@ PostgresMain(int argc, char *argv[], const char *username)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.320 $ $Date: 2003/03/24 18:33:52 $\n");
puts("$Revision: 1.321 $ $Date: 2003/04/17 22:26:01 $\n");
}
/*

View File

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: auth.h,v 1.21 2002/06/20 20:29:49 momjian Exp $
* $Id: auth.h,v 1.22 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -21,7 +21,7 @@
*----------------------------------------------------------------
*/
void ClientAuthentication(Port *port);
extern void ClientAuthentication(Port *port);
#define PG_KRB4_VERSION "PGVER4.1" /* at most KRB_SENDAUTH_VLEN chars */
#define PG_KRB5_VERSION "PGVER5.1"

View File

@ -4,7 +4,7 @@
* Interface to hba.c
*
*
* $Id: hba.h,v 1.32 2002/04/04 04:25:54 momjian Exp $
* $Id: hba.h,v 1.33 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,8 +26,6 @@
#define IDENT_PORT 113
/* Standard TCP port number for Ident service. Assigned by IANA */
#define MAX_AUTH_ARG 80 /* Max size of an authentication arg */
typedef enum UserAuth
{
uaReject,

View File

@ -11,15 +11,13 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: libpq-be.h,v 1.34 2002/08/29 03:22:01 tgl Exp $
* $Id: libpq-be.h,v 1.35 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef LIBPQ_BE_H
#define LIBPQ_BE_H
#include <sys/types.h>
#include "libpq/hba.h"
#include "libpq/pqcomm.h"
@ -32,29 +30,36 @@
/*
* This is used by the postmaster in its communication with frontends. It
* contains all state information needed during this communication before the
* backend is run.
* backend is run. The Port structure is kept in malloc'd memory and is
* still available when a backend is running (see MyProcPort). The data
* it points to must also be malloc'd, or else palloc'd in TopMemoryContext,
* so that it survives into PostgresMain execution!
*/
typedef struct Port
{
int sock; /* File descriptor */
ProtocolVersion proto; /* FE/BE protocol version */
SockAddr laddr; /* local addr (postmaster) */
SockAddr raddr; /* remote addr (client) */
char md5Salt[4]; /* Password salt */
char cryptSalt[2]; /* Password salt */
/*
* Information that needs to be held during the fe/be authentication
* handshake.
* Information that needs to be saved from the startup packet and passed
* into backend execution. "char *" fields are NULL if not set.
* guc_options points to a List of alternating option names and values.
*/
char *database_name;
char *user_name;
char *cmdline_options;
List *guc_options;
ProtocolVersion proto;
char database[SM_DATABASE + 1];
char user[SM_DATABASE_USER + 1];
char options[SM_OPTIONS + 1];
char tty[SM_TTY + 1];
char auth_arg[MAX_AUTH_ARG];
/*
* Information that needs to be held during the authentication cycle.
*/
UserAuth auth_method;
char *auth_arg;
char md5Salt[4]; /* Password salt */
char cryptSalt[2]; /* Password salt */
/*
* SSL structures

View File

@ -1,6 +0,0 @@
#ifndef PASSWORD_H
#define PASSWORD_H
int verify_password(const Port *port, const char *user, const char *password);
#endif

View File

@ -9,14 +9,13 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqcomm.h,v 1.75 2003/01/06 09:58:36 petere Exp $
* $Id: pqcomm.h,v 1.76 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef PQCOMM_H
#define PQCOMM_H
#include <sys/types.h>
#ifdef WIN32
#include <winsock.h>
/* workaround for clashing defines of "ERROR" */
@ -93,7 +92,7 @@ typedef union SockAddr
* functionality).
*
* If a backend supports version m.n of the protocol it must actually support
* versions m.0..n]. Backend support for version m-1 can be dropped after a
* versions m.[0..n]. Backend support for version m-1 can be dropped after a
* `reasonable' length of time.
*
* A frontend isn't required to support anything other than the current
@ -107,27 +106,26 @@ typedef union SockAddr
/* The earliest and latest frontend/backend protocol version supported. */
#define PG_PROTOCOL_EARLIEST PG_PROTOCOL(1,0)
#define PG_PROTOCOL_LATEST PG_PROTOCOL(2,0)
#define PG_PROTOCOL_LATEST PG_PROTOCOL(3,100) /* XXX temporary value */
typedef uint32 ProtocolVersion; /* FE/BE protocol version number */
typedef ProtocolVersion MsgType;
/*
* All packets sent to the postmaster start with the length. This is omitted
* from the different packet definitions specified below.
* Packet lengths are 4 bytes in network byte order.
*
* The initial length is omitted from the packet layouts appearing below.
*/
typedef uint32 PacketLen;
/*
* Startup message parameters sizes. These must not be changed without changing
* the protocol version. These are all strings that are '\0' terminated only if
* there is room.
*/
/*
* FIXME: remove the fixed size limitations on the database name, user
* name, and options fields and use a variable length field instead. The
* actual limits on database & user name will then be NAMEDATALEN, which
* can be changed without changing the FE/BE protocol. -neilc,2002/08/27
* Old-style startup packet layout with fixed-width fields. This is used in
* protocol 1.0 and 2.0, but not in later versions. Note that the fields
* in this layout are '\0' terminated only if there is room.
*/
#define SM_DATABASE 64
@ -138,11 +136,6 @@ typedef uint32 PacketLen;
#define SM_UNUSED 64
#define SM_TTY 64
typedef uint32 ProtocolVersion; /* Fe/Be protocol version number */
typedef ProtocolVersion MsgType;
typedef struct StartupPacket
{
ProtocolVersion protoVersion; /* Protocol version */
@ -156,7 +149,16 @@ typedef struct StartupPacket
extern bool Db_user_namespace;
/* These are the authentication requests sent by the backend. */
/*
* In protocol 3.0 and later, the startup packet length is not fixed, but
* we set an arbitrary limit on it anyway. This is just to prevent simple
* denial-of-service attacks via sending enough data to run the server
* out of memory.
*/
#define MAX_STARTUP_PACKET_LENGTH 10000
/* These are the authentication request codes sent by the backend. */
#define AUTH_REQ_OK 0 /* User is authenticated */
#define AUTH_REQ_KRB4 1 /* Kerberos V4 */
@ -169,12 +171,12 @@ extern bool Db_user_namespace;
typedef uint32 AuthRequest;
/* A client can also send a cancel-current-operation request to the postmaster.
/*
* A client can also send a cancel-current-operation request to the postmaster.
* This is uglier than sending it directly to the client's backend, but it
* avoids depending on out-of-band communication facilities.
*/
/* The cancel request code must not match any protocol version number
*
* The cancel request code must not match any protocol version number
* we're ever likely to use. This random choice should do.
*/
#define CANCEL_REQUEST_CODE PG_PROTOCOL(1234,5678)

View File

@ -10,7 +10,7 @@
* exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.74 2003/03/10 22:28:21 tgl Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.75 2003/04/17 22:26:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -559,7 +559,7 @@ pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
default:
return STATUS_ERROR;
}
ret = pqPacketSend(conn, crypt_pwd, strlen(crypt_pwd) + 1);
ret = pqPacketSend(conn, 0, crypt_pwd, strlen(crypt_pwd) + 1);
if (areq == AUTH_REQ_MD5)
free(crypt_pwd);
return ret;

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.231 2003/04/04 20:42:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.232 2003/04/17 22:26:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -64,9 +64,6 @@ inet_aton(const char *cp, struct in_addr * inp)
#endif
#define NOTIFYLIST_INITIAL_SIZE 10
#define NOTIFYLIST_GROWBY 10
#define PGPASSFILE ".pgpass"
/* ----------
@ -128,6 +125,10 @@ static const PQconninfoOption PQconninfoOptions[] = {
{"port", "PGPORT", DEF_PGPORT_STR, NULL,
"Database-Port", "", 6},
/*
* "tty" is no longer used either, but keep it present for backwards
* compatibility.
*/
{"tty", "PGTTY", DefaultTty, NULL,
"Backend-Debug-TTY", "D", 40},
@ -182,12 +183,13 @@ static PQconninfoOption *conninfo_parse(const char *conninfo,
PQExpBuffer errorMessage);
static char *conninfo_getval(PQconninfoOption *connOptions,
const char *keyword);
static int build_startup_packet(const PGconn *conn, char *packet);
static void defaultNoticeProcessor(void *arg, const char *message);
static int parseServiceInfo(PQconninfoOption *options,
PQExpBuffer errorMessage);
char *pwdfMatchesString(char *buf, char *token);
char *PasswordFromFile(char *hostname, char *port, char *dbname,
char *username);
static char *pwdfMatchesString(char *buf, char *token);
static char *PasswordFromFile(char *hostname, char *port, char *dbname,
char *username);
/*
* Connecting to a Database
@ -396,7 +398,7 @@ PQconndefaults(void)
* is NULL or a null string.
*
* PGTTY identifies tty to which to send messages if <pgtty> argument
* is NULL or a null string.
* is NULL or a null string. (No longer used by backend.)
*
* PGOPTIONS identifies connection options if <pgoptions> argument is
* NULL or a null string.
@ -792,10 +794,6 @@ connectDBStart(PGconn *conn)
{
int portnum;
char portstr[64];
#ifdef USE_SSL
StartupPacket np; /* Used to negotiate SSL connection */
char SSLok;
#endif
struct addrinfo *addrs = NULL;
struct addrinfo *addr_cur = NULL;
struct addrinfo hint;
@ -980,9 +978,11 @@ retry1:
/* Attempt to negotiate SSL usage */
if (conn->allow_ssl_try)
{
memset((char *) &np, 0, sizeof(np));
np.protoVersion = htonl(NEGOTIATE_SSL_CODE);
if (pqPacketSend(conn, (char *) &np, sizeof(StartupPacket)) != STATUS_OK)
ProtocolVersion pv;
char SSLok;
pv = htonl(NEGOTIATE_SSL_CODE);
if (pqPacketSend(conn, 0, &pv, sizeof(ProtocolVersion)) != STATUS_OK)
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("could not send SSL negotiation packet: %s\n"),
@ -1284,22 +1284,21 @@ keep_going: /* We will come back to here until there
case CONNECTION_MADE:
{
StartupPacket sp;
char *startpacket;
int packetlen;
/*
* Initialize the startup packet.
* Build the startup packet.
*/
MemSet((char *) &sp, 0, sizeof(StartupPacket));
sp.protoVersion = (ProtocolVersion) htonl(PG_PROTOCOL_LIBPQ);
strncpy(sp.user, conn->pguser, SM_USER);
strncpy(sp.database, conn->dbName, SM_DATABASE);
strncpy(sp.tty, conn->pgtty, SM_TTY);
if (conn->pgoptions)
strncpy(sp.options, conn->pgoptions, SM_OPTIONS);
packetlen = build_startup_packet(conn, NULL);
startpacket = (char *) malloc(packetlen);
if (!startpacket)
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("out of memory\n"));
goto error_return;
}
packetlen = build_startup_packet(conn, startpacket);
/*
* Send the startup packet.
@ -1307,16 +1306,17 @@ keep_going: /* We will come back to here until there
* Theoretically, this could block, but it really shouldn't
* since we only got here if the socket is write-ready.
*/
if (pqPacketSend(conn, (char *) &sp,
sizeof(StartupPacket)) != STATUS_OK)
if (pqPacketSend(conn, 0, startpacket, packetlen) != STATUS_OK)
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("could not send startup packet: %s\n"),
SOCK_STRERROR(SOCK_ERRNO));
free(startpacket);
goto error_return;
}
free(startpacket);
conn->status = CONNECTION_AWAITING_RESPONSE;
return PGRES_POLLING_READING;
}
@ -1576,7 +1576,6 @@ PQsetenvStart(PGconn *conn)
return false;
conn->setenv_state = SETENV_STATE_ENCODINGS_SEND;
conn->next_eo = EnvironmentOptions;
return true;
}
@ -1600,7 +1599,6 @@ PQsetenvPoll(PGconn *conn)
{
/* These are reading states */
case SETENV_STATE_ENCODINGS_WAIT:
case SETENV_STATE_OPTION_WAIT:
{
/* Load waiting data */
int n = pqReadData(conn);
@ -1615,7 +1613,6 @@ PQsetenvPoll(PGconn *conn)
/* These are writing states, so we just proceed. */
case SETENV_STATE_ENCODINGS_SEND:
case SETENV_STATE_OPTION_SEND:
break;
/* Should we raise an error if called when not active? */
@ -1669,7 +1666,7 @@ PQsetenvPoll(PGconn *conn)
conn->client_encoding = encoding;
/* Move on to setting the environment options */
conn->setenv_state = SETENV_STATE_OPTION_SEND;
conn->setenv_state = SETENV_STATE_IDLE;
}
break;
}
@ -1708,80 +1705,11 @@ PQsetenvPoll(PGconn *conn)
* NULL result indicates that the query is
* finished
*/
/* Move on to setting the environment options */
conn->setenv_state = SETENV_STATE_OPTION_SEND;
}
break;
}
case SETENV_STATE_OPTION_SEND:
{
/* Send an Environment Option */
char setQuery[100]; /* note length limits in
* sprintf's below */
if (conn->next_eo->envName)
{
const char *val;
if ((val = getenv(conn->next_eo->envName)))
{
if (strcasecmp(val, "default") == 0)
sprintf(setQuery, "SET %s = %.60s",
conn->next_eo->pgName, val);
else
sprintf(setQuery, "SET %s = '%.60s'",
conn->next_eo->pgName, val);
#ifdef CONNECTDEBUG
printf("Use environment variable %s to send %s\n",
conn->next_eo->envName, setQuery);
#endif
if (!PQsendQuery(conn, setQuery))
goto error_return;
conn->setenv_state = SETENV_STATE_OPTION_WAIT;
}
else
conn->next_eo++;
}
else
{
/* No more options to send, so we are done. */
conn->setenv_state = SETENV_STATE_IDLE;
}
break;
}
case SETENV_STATE_OPTION_WAIT:
{
if (PQisBusy(conn))
return PGRES_POLLING_READING;
res = PQgetResult(conn);
if (res)
{
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
PQclear(res);
goto error_return;
}
PQclear(res);
/* Keep reading until PQgetResult returns NULL */
}
else
{
/*
* NULL result indicates that the query is
* finished
*/
/* Send the next option */
conn->next_eo++;
conn->setenv_state = SETENV_STATE_OPTION_SEND;
}
break;
}
case SETENV_STATE_IDLE:
return PGRES_POLLING_OK;
@ -2225,24 +2153,34 @@ cancel_errReturn:
/*
* pqPacketSend() -- send a single-packet message.
* this is like PacketSend(), defined in backend/libpq/pqpacket.c
*
* pack_type: the single-byte message type code. (Pass zero for startup
* packets, which have no message type code.)
*
* buf, buf_len: contents of message. The given length includes only what
* is in buf; the message type and message length fields are added here.
*
* RETURNS: STATUS_ERROR if the write fails, STATUS_OK otherwise.
* SIDE_EFFECTS: may block.
*/
int
pqPacketSend(PGconn *conn, const char *buf, size_t len)
pqPacketSend(PGconn *conn, char pack_type,
const void *buf, size_t buf_len)
{
/* Send the total packet size. */
if (pqPutInt(4 + len, 4, conn))
/* Send the message type. */
if (pack_type != 0)
if (pqPutc(pack_type, conn))
return STATUS_ERROR;
/* Send the (self-inclusive) message length word. */
if (pqPutInt(buf_len + 4, 4, conn))
return STATUS_ERROR;
/* Send the packet itself. */
if (pqPutnchar(buf, len, conn))
/* Send the message body. */
if (pqPutnchar(buf, buf_len, conn))
return STATUS_ERROR;
/* Flush to ensure backend gets it. */
if (pqFlush(conn))
return STATUS_ERROR;
@ -2661,6 +2599,87 @@ PQconninfoFree(PQconninfoOption *connOptions)
}
/*
* Build a startup packet given a filled-in PGconn structure.
*
* We need to figure out how much space is needed, then fill it in.
* To avoid duplicate logic, this routine is called twice: the first time
* (with packet == NULL) just counts the space needed, the second time
* (with packet == allocated space) fills it in. Return value is the number
* of bytes used.
*/
static int
build_startup_packet(const PGconn *conn, char *packet)
{
int packet_len = 0;
const struct EnvironmentOptions *next_eo;
/* Protocol version comes first. */
if (packet)
{
ProtocolVersion pv = htonl(PG_PROTOCOL_LIBPQ);
memcpy(packet + packet_len, &pv, sizeof(ProtocolVersion));
}
packet_len += sizeof(ProtocolVersion);
/* Add user name, database name, options */
if (conn->pguser)
{
if (packet)
strcpy(packet + packet_len, "user");
packet_len += strlen("user") + 1;
if (packet)
strcpy(packet + packet_len, conn->pguser);
packet_len += strlen(conn->pguser) + 1;
}
if (conn->dbName)
{
if (packet)
strcpy(packet + packet_len, "database");
packet_len += strlen("database") + 1;
if (packet)
strcpy(packet + packet_len, conn->dbName);
packet_len += strlen(conn->dbName) + 1;
}
if (conn->pgoptions)
{
if (packet)
strcpy(packet + packet_len, "options");
packet_len += strlen("options") + 1;
if (packet)
strcpy(packet + packet_len, conn->pgoptions);
packet_len += strlen(conn->pgoptions) + 1;
}
/* Add any environment-driven GUC settings needed */
for (next_eo = EnvironmentOptions; next_eo->envName; next_eo++)
{
const char *val;
if ((val = getenv(next_eo->envName)) != NULL)
{
if (strcasecmp(val, "default") != 0)
{
if (packet)
strcpy(packet + packet_len, next_eo->pgName);
packet_len += strlen(next_eo->pgName) + 1;
if (packet)
strcpy(packet + packet_len, val);
packet_len += strlen(val) + 1;
}
}
}
/* Add trailing terminator */
if (packet)
packet[packet_len] = '\0';
packet_len++;
return packet_len;
}
/* =========== accessor functions for PGconn ========= */
char *
PQdb(const PGconn *conn)
@ -2850,9 +2869,11 @@ defaultNoticeProcessor(void *arg, const char *message)
fprintf(stderr, "%s", message);
}
/* returns a pointer to the next token or NULL if the current
* token doesn't match */
char *
/*
* returns a pointer to the next token or NULL if the current
* token doesn't match
*/
static char *
pwdfMatchesString(char *buf, char *token)
{
char *tbuf,
@ -2889,7 +2910,7 @@ pwdfMatchesString(char *buf, char *token)
}
/* Get a password from the password file. Return value is malloc'd. */
char *
static char *
PasswordFromFile(char *hostname, char *port, char *dbname, char *username)
{
FILE *fp;

View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: libpq-int.h,v 1.60 2002/10/16 02:55:30 momjian Exp $
* $Id: libpq-int.h,v 1.61 2003/04/17 22:26:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -56,7 +56,7 @@ typedef int ssize_t; /* ssize_t doesn't exist in VC (atleast
* pqcomm.h describe what the backend knows, not what libpq knows.
*/
#define PG_PROTOCOL_LIBPQ PG_PROTOCOL(2,0)
#define PG_PROTOCOL_LIBPQ PG_PROTOCOL(3,100) /* XXX temporary value */
/*
* POSTGRES backend dependent Constants.
@ -181,8 +181,6 @@ typedef enum
/* PGSetenvStatusType defines the state of the PQSetenv state machine */
typedef enum
{
SETENV_STATE_OPTION_SEND, /* About to send an Environment Option */
SETENV_STATE_OPTION_WAIT, /* Waiting for above send to complete */
SETENV_STATE_ENCODINGS_SEND, /* About to send an "encodings" query */
SETENV_STATE_ENCODINGS_WAIT, /* Waiting for query to complete */
SETENV_STATE_IDLE
@ -274,7 +272,6 @@ struct pg_conn
/* Status for sending environment info. Used during PQSetenv only. */
PGSetenvStatusType setenv_state;
const struct EnvironmentOptions *next_eo;
#ifdef USE_SSL
bool allow_ssl_try; /* Allowed to try SSL negotiation */
@ -312,7 +309,8 @@ extern char *const pgresStatus[];
/* === in fe-connect.c === */
extern int pqPacketSend(PGconn *conn, const char *buf, size_t len);
extern int pqPacketSend(PGconn *conn, char pack_type,
const void *buf, size_t buf_len);
/* === in fe-exec.c === */

View File

@ -1,7 +1,7 @@
--
-- INTERVAL
--
SET DATESTYLE = DEFAULT;
SET DATESTYLE = 'ISO';
-- check acceptance of "time zone style"
SELECT INTERVAL '01:00' AS "One hour";
One hour

View File

@ -2,7 +2,7 @@
-- INTERVAL
--
SET DATESTYLE = DEFAULT;
SET DATESTYLE = 'ISO';
-- check acceptance of "time zone style"
SELECT INTERVAL '01:00' AS "One hour";