Revert "initdb: Change authentication defaults"
This reverts commit 09f08930f0
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The buildfarm client needs some adjustments first.
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09f08930f0
commit
7961886580
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@ -136,24 +136,9 @@ PostgreSQL documentation
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replication connections.
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</para>
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<para>
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The default is <literal>peer</literal> for Unix-domain socket
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connections on operating systems that support it, otherwise
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<literal>md5</literal>, and <literal>md5</literal> for TCP/IP
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connections.
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</para>
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<para>
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When running <command>initdb</command> on a platform that does not
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support <literal>peer</literal> authentication, either a password must
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be provided (see <option>-W</option> and other options) or a different
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authentication method must be chosen, otherwise
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<command>initdb</command> will error.
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</para>
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<para>
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Do not use <literal>trust</literal> unless you trust all local users on your
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system.
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system. <literal>trust</literal> is the default for ease of installation.
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</para>
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</listitem>
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</varlistentry>
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@ -156,19 +156,24 @@ postgres$ <userinput>initdb -D /usr/local/pgsql/data</userinput>
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</para>
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<para>
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The default client authentication setup is such that users can connect over
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the Unix-domain socket to the same database user name as their operating
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system user names (on operating systems that support this, which are most
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modern Unix-like systems, but not Windows) and otherwise with a password.
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To assign a password to the initial database superuser, use one of
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However, while the directory contents are secure, the default
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client authentication setup allows any local user to connect to the
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database and even become the database superuser. If you do not
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trust other local users, we recommend you use one of
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<command>initdb</command>'s <option>-W</option>, <option>--pwprompt</option>
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or <option>--pwfile</option> options.<indexterm>
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or <option>--pwfile</option> options to assign a password to the
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database superuser.<indexterm>
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<primary>password</primary>
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<secondary>of the superuser</secondary>
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</indexterm>
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This configuration is secure and sufficient to get started. Later, see
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<xref linkend="client-authentication"/> for more information about setting
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up client authentication.
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Also, specify <option>-A md5</option> or
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<option>-A password</option> so that the default <literal>trust</literal> authentication
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mode is not used; or modify the generated <filename>pg_hba.conf</filename>
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file after running <command>initdb</command>, but
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<emphasis>before</emphasis> you start the server for the first time. (Other
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reasonable approaches include using <literal>peer</literal> authentication
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or file system permissions to restrict connections. See <xref
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linkend="client-authentication"/> for more information.)
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</para>
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<para>
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@ -63,6 +63,15 @@ postgres$ <userinput>/usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data</useri
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</para>
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</step>
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<step>
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<para>
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At this point, if you did not use the <command>initdb</command> <literal>-A</literal>
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option, you might want to modify <filename>pg_hba.conf</filename> to control
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local access to the server before you start it. The default is to
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trust all local users.
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</para>
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</step>
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<step>
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<para>
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The previous <command>initdb</command> step should have told you how to
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@ -185,6 +185,7 @@ static const char *default_timezone = NULL;
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"# allows any local user to connect as any PostgreSQL user, including\n" \
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"# the database superuser. If you do not trust all your local users,\n" \
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"# use another authentication method.\n"
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static bool authwarning = false;
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/*
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* Centralized knowledge of switches to pass to backend
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@ -2390,6 +2391,16 @@ usage(const char *progname)
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printf(_("\nReport bugs to <pgsql-bugs@lists.postgresql.org>.\n"));
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}
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static void
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check_authmethod_unspecified(const char **authmethod)
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{
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if (*authmethod == NULL)
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{
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authwarning = true;
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*authmethod = "trust";
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}
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}
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static void
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check_authmethod_valid(const char *authmethod, const char *const *valid_methods, const char *conntype)
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{
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@ -3237,16 +3248,8 @@ main(int argc, char *argv[])
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exit(1);
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}
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if (authmethodlocal == NULL)
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{
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#ifdef HAVE_AUTH_PEER
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authmethodlocal = "peer";
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#else
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authmethodlocal = "md5";
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#endif
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}
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if (authmethodhost == NULL)
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authmethodhost = "md5";
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check_authmethod_unspecified(&authmethodlocal);
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check_authmethod_unspecified(&authmethodhost);
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check_authmethod_valid(authmethodlocal, auth_methods_local, "local");
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check_authmethod_valid(authmethodhost, auth_methods_host, "host");
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@ -3329,6 +3332,14 @@ main(int argc, char *argv[])
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else
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printf(_("\nSync to disk skipped.\nThe data directory might become corrupt if the operating system crashes.\n"));
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if (authwarning)
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{
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printf("\n");
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pg_log_warning("enabling \"trust\" authentication for local connections");
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fprintf(stderr, _("You can change this by editing pg_hba.conf or using the option -A, or\n"
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"--auth-local and --auth-host, the next time you run initdb.\n"));
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}
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/*
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* Build up a shell command to tell the user how to start the server
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*/
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@ -361,11 +361,6 @@ extern int fls(int mask);
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extern int getpeereid(int sock, uid_t *uid, gid_t *gid);
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#endif
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/* must match src/port/getpeereid.c */
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#if defined(HAVE_GETPEEREID) || defined(SO_PEERCRED) || defined(LOCAL_PEERCRED) || defined(HAVE_GETPEERUCRED)
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#define HAVE_AUTH_PEER 1
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#endif
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#ifndef HAVE_ISINF
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extern int isinf(double x);
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#else
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@ -2302,7 +2302,7 @@ regression_main(int argc, char *argv[], init_function ifunc, test_function tfunc
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/* initdb */
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header(_("initializing database system"));
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snprintf(buf, sizeof(buf),
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"\"%s%sinitdb\" -D \"%s/data\" -A trust --no-clean --no-sync%s%s > \"%s/log/initdb.log\" 2>&1",
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"\"%s%sinitdb\" -D \"%s/data\" --no-clean --no-sync%s%s > \"%s/log/initdb.log\" 2>&1",
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bindir ? bindir : "",
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bindir ? "/" : "",
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temp_instance,
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