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Remove the -P options of oid2name and pgbench, as they are security 

hazards.  Instead teach these programs to prompt for a password when
necessary, just like all our other programs.
I did not bother to invent -W switches for them, since the return on
investment seems so low.
This commit is contained in:
Tom Lane 2007-12-11 02:31:49 +00:00
parent 5eb56611e3
commit 4192f2d85a
4 changed files with 88 additions and 66 deletions
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67
contrib/oid2name/oid2name.c
View File

@ -4,7 +4,8 @@
*
* Originally by
* B. Palmer, bpalmer@crimelabs.net 1-17-2001
* $PostgreSQL: pgsql/contrib/oid2name/oid2name.c,v 1.32 2007/07/25 22:16:17 tgl Exp $
*
* $PostgreSQL: pgsql/contrib/oid2name/oid2name.c,v 1.33 2007/12/11 02:31:49 tgl Exp $
*/
#include "postgres_fe.h"
@ -43,7 +44,6 @@ struct options
char *hostname;
char *port;
char *username;
char *password;
};
/* function prototypes */
@ -76,10 +76,9 @@ get_opts(int argc, char **argv, struct options * my_opts)
my_opts->hostname = NULL;
my_opts->port = NULL;
my_opts->username = NULL;
my_opts->password = NULL;
/* get opts */
while ((c = getopt(argc, argv, "H:p:U:P:d:t:o:f:qSxish?")) != -1)
while ((c = getopt(argc, argv, "H:p:U:d:t:o:f:qSxish?")) != -1)
{
switch (c)
{
@ -123,11 +122,6 @@ get_opts(int argc, char **argv, struct options * my_opts)
my_opts->username = mystrdup(optarg);
break;
/* password */
case 'P':
my_opts->password = mystrdup(optarg);
break;
/* display system tables */
case 'S':
my_opts->systables = true;
@ -166,8 +160,6 @@ get_opts(int argc, char **argv, struct options * my_opts)
" -H host connect to remote host\n"
" -p port host port to connect to\n"
" -U username username to connect with\n"
" -P password password for username\n"
" (see also $PGPASSWORD and ~/.pgpass)\n"
);
exit(1);
break;
@ -275,22 +267,49 @@ PGconn *
sql_conn(struct options * my_opts)
{
PGconn *conn;
char *password = NULL;
bool new_pass;
/* login */
conn = PQsetdbLogin(my_opts->hostname,
my_opts->port,
NULL, /* options */
NULL, /* tty */
my_opts->dbname,
my_opts->username,
my_opts->password);
/* deal with errors */
if (PQstatus(conn) != CONNECTION_OK)
/*
* Start the connection. Loop until we have a password if requested by
* backend.
*/
do
{
fprintf(stderr, "%s: connection to database '%s' failed.\n", "oid2name", my_opts->dbname);
fprintf(stderr, "%s", PQerrorMessage(conn));
new_pass = false;
conn = PQsetdbLogin(my_opts->hostname,
my_opts->port,
NULL, /* options */
NULL, /* tty */
my_opts->dbname,
my_opts->username,
password);
if (!conn)
{
fprintf(stderr, "%s: could not connect to database %s\n",
"oid2name", my_opts->dbname);
exit(1);
}
if (PQstatus(conn) == CONNECTION_BAD &&
PQconnectionNeedsPassword(conn) &&
password == NULL &&
!feof(stdin))
{
PQfinish(conn);
password = simple_prompt("Password: ", 100, false);
new_pass = true;
}
} while (new_pass);
if (password)
free(password);
/* check to see that the backend connection was successfully made */
if (PQstatus(conn) == CONNECTION_BAD)
{
fprintf(stderr, "%s: could not connect to database %s: %s",
"oid2name", my_opts->dbname, PQerrorMessage(conn));
PQfinish(conn);
exit(1);
}

72
contrib/pgbench/pgbench.c
View File

@ -1,5 +1,5 @@
/*
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.74 2007/11/15 21:14:31 momjian Exp $
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.75 2007/12/11 02:31:49 tgl Exp $
*
* pgbench: a simple benchmark program for PostgreSQL
* written by Tatsuo Ishii
@ -94,7 +94,6 @@ char *pgport = "";
char *pgoptions = NULL;
char *pgtty = NULL;
char *login = NULL;
char *pwd = NULL;
char *dbName;
/* variable definitions */
@ -188,8 +187,8 @@ static char *select_only = {
static void
usage(void)
{
fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-D varname=value][-n][-C][-v][-S][-N][-f filename][-l][-U login][-P password][-d][dbname]\n");
fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor] [-F fillfactor] [-U login][-P password][-d][dbname]\n");
fprintf(stderr, "usage: pgbench [-h hostname][-p port][-c nclients][-t ntransactions][-s scaling_factor][-D varname=value][-n][-C][-v][-S][-N][-f filename][-l][-U login][-d][dbname]\n");
fprintf(stderr, "(initialize mode): pgbench -i [-h hostname][-p port][-s scaling_factor] [-F fillfactor] [-U login][-d][dbname]\n");
}
/* random number generator */
@ -218,32 +217,50 @@ executeStatement(PGconn *con, const char *sql)
static PGconn *
doConnect(void)
{
PGconn *con;
PGconn *conn;
static char *password = NULL;
bool new_pass;
con = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
login, pwd);
if (con == NULL)
/*
* Start the connection. Loop until we have a password if requested by
* backend.
*/
do
{
fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
fprintf(stderr, "Memory allocatin problem?\n");
return (NULL);
new_pass = false;
conn = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
login, password);
if (!conn)
{
fprintf(stderr, "Connection to database \"%s\" failed\n",
dbName);
return NULL;
}
if (PQstatus(conn) == CONNECTION_BAD &&
PQconnectionNeedsPassword(conn) &&
password == NULL &&
!feof(stdin))
{
PQfinish(conn);
password = simple_prompt("Password: ", 100, false);
new_pass = true;
}
} while (new_pass);
/* check to see that the backend connection was successfully made */
if (PQstatus(conn) == CONNECTION_BAD)
{
fprintf(stderr, "Connection to database \"%s\" failed:\n%s",
dbName, PQerrorMessage(conn));
PQfinish(conn);
return NULL;
}
if (PQstatus(con) == CONNECTION_BAD)
{
fprintf(stderr, "Connection to database '%s' failed.\n", dbName);
executeStatement(conn, "SET search_path = public");
if (PQerrorMessage(con))
fprintf(stderr, "%s", PQerrorMessage(con));
else
fprintf(stderr, "No explanation from the backend\n");
return (NULL);
}
executeStatement(con, "SET search_path = public");
return (con);
return conn;
}
/* throw away response from backend */
@ -1258,7 +1275,7 @@ main(int argc, char **argv)
memset(state, 0, sizeof(*state));
while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:U:P:CNSlf:D:F:")) != -1)
while ((c = getopt(argc, argv, "ih:nvp:dc:t:s:U:CNSlf:D:F:")) != -1)
{
switch (c)
{
@ -1333,9 +1350,6 @@ main(int argc, char **argv)
case 'U':
login = optarg;
break;
case 'P':
pwd = optarg;
break;
case 'l':
use_log = true;
break;

8
doc/src/sgml/oid2name.sgml
View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/oid2name.sgml,v 1.3 2007/12/10 05:32:51 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/oid2name.sgml,v 1.4 2007/12/11 02:31:49 tgl Exp $ -->
<sect1 id="oid2name">
<title>oid2name</title>
@ -110,12 +110,6 @@
<entry><literal>-U</literal> <replaceable>username</></entry>
<entry>username to connect as</entry>
</row>
<row>
<entry><literal>-P</literal> <replaceable>password</></entry>
<entry>password (deprecated &mdash; putting this on the command line
is a security hazard)</entry>
</row>
</tbody>
</tgroup>
</table>

7
doc/src/sgml/pgbench.sgml
View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/pgbench.sgml,v 1.4 2007/12/10 05:32:51 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/pgbench.sgml,v 1.5 2007/12/11 02:31:49 tgl Exp $ -->
<sect1 id="pgbench">
<title>pgbench</title>
@ -282,11 +282,6 @@ pgbench <optional> <replaceable>options</> </optional> <replaceable>dbname</>
<entry><literal>-U</literal> <replaceable>login</></entry>
<entry>username to connect as</entry>
</row>
<row>
<entry><literal>-P</literal> <replaceable>password</></entry>
<entry>password (deprecated &mdash; putting this on the command line
is a security hazard)</entry>
</row>
</tbody>
</tgroup>
</table>