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createuser: Add support for more clause types through new options

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The following options are added to createuser:
* --valid-until to generate a VALID UNTIL clause for the role created.
* --bypassrls/--no-bypassrls for BYPASSRLS/NOBYPASSRLS.
* -m/--member to make the new role a member of an existing role, with an
extra ROLE clause generated.  The clause generated overlaps with
-g/--role, but per discussion this was the most popular choice as option
name.
* -a/--admin for the addition of an ADMIN clause.

These option names are chosen to be completely new, so as they do not
impact anybody relying on the existing option set.  Tests are added for
the new options and extended a bit, while on it, to cover more patterns
where quotes are added to various elements of the query generated.

Author: Shinya Kato
Reviewed-by: Nathan Bossart, Daniel Gustafsson, Robert Haas, Kyotaro
Horiguchi, David G. Johnston, Przemysław Sztoch
Discussion: https://postgr.es/m/69a9851035cf0f0477bcc5d742b031a3@oss.nttdata.com
pull/91/head
Michael Paquier 4 years ago
parent c23e3e6beb
commit 08951a7c93
3 changed files with 156 additions and 4 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 56
      doc/src/sgml/ref/createuser.sgml
  2. 72
      src/bin/scripts/createuser.c
  3. 32
      src/bin/scripts/t/040_createuser.pl

56
doc/src/sgml/ref/createuser.sgml
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@ -76,6 +76,20 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>-a <replaceable class="parameter">role</replaceable></option></term>
<term><option>--admin=<replaceable class="parameter">role</replaceable></option></term>
<listitem>
<para>
Indicates role that will be immediately added as a member of the new
role with admin option, giving it the right to grant membership in the
new role to others. Multiple roles to add as members (with admin
option) of the new role can be specified by writing multiple
<option>-a</option> switches.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-c <replaceable class="parameter">number</replaceable></option></term>
<term><option>--connection-limit=<replaceable class="parameter">number</replaceable></option></term>
@ -204,6 +218,18 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>-m <replaceable class="parameter">role</replaceable></option></term>
<term><option>--member=<replaceable class="parameter">role</replaceable></option></term>
<listitem>
<para>
Indicates role that will be immediately added as a member of the new
role. Multiple roles to add as members of the new role can be specified
by writing multiple <option>-m</option> switches.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-P</option></term>
<term><option>--pwprompt</option></term>
@ -258,6 +284,17 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>-v <replaceable class="parameter">timestamp</replaceable></option></term>
<term><option>--valid-until=<replaceable class="parameter">timestamp</replaceable></option></term>
<listitem>
<para>
Set a date and time after which the role's password is no longer valid.
The default is to set no password expiry date.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-V</option></term>
<term><option>--version</option></term>
@ -268,6 +305,25 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>--bypassrls</option></term>
<listitem>
<para>
The new user will bypass every row-level security (RLS) policy.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--no-bypassrls</option></term>
<listitem>
<para>
The new user will not bypass row-level security (RLS) policies. This is
the default.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--replication</option></term>
<listitem>

72
src/bin/scripts/createuser.c
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@ -28,6 +28,7 @@ int
main(int argc, char *argv[])
{
static struct option long_options[] = {
{"admin", required_argument, NULL, 'a'},
{"connection-limit", required_argument, NULL, 'c'},
{"createdb", no_argument, NULL, 'd'},
{"no-createdb", no_argument, NULL, 'D'},
@ -39,6 +40,7 @@ main(int argc, char *argv[])
{"no-inherit", no_argument, NULL, 'I'},
{"login", no_argument, NULL, 'l'},
{"no-login", no_argument, NULL, 'L'},
{"member", required_argument, NULL, 'm'},
{"port", required_argument, NULL, 'p'},
{"pwprompt", no_argument, NULL, 'P'},
{"createrole", no_argument, NULL, 'r'},
@ -46,11 +48,14 @@ main(int argc, char *argv[])
{"superuser", no_argument, NULL, 's'},
{"no-superuser", no_argument, NULL, 'S'},
{"username", required_argument, NULL, 'U'},
{"valid-until", required_argument, NULL, 'v'},
{"no-password", no_argument, NULL, 'w'},
{"password", no_argument, NULL, 'W'},
{"replication", no_argument, NULL, 1},
{"no-replication", no_argument, NULL, 2},
{"interactive", no_argument, NULL, 3},
{"bypassrls", no_argument, NULL, 4},
{"no-bypassrls", no_argument, NULL, 5},
{NULL, 0, NULL, 0}
};
@ -62,6 +67,8 @@ main(int argc, char *argv[])
char *port = NULL;
char *username = NULL;
SimpleStringList roles = {NULL, NULL};
SimpleStringList members = {NULL, NULL};
SimpleStringList admins = {NULL, NULL};
enum trivalue prompt_password = TRI_DEFAULT;
ConnParams cparams;
bool echo = false;
@ -69,6 +76,7 @@ main(int argc, char *argv[])
int conn_limit = -2; /* less than minimum valid value */
bool pwprompt = false;
char *newpassword = NULL;
char *pwexpiry = NULL;
/* Tri-valued variables. */
enum trivalue createdb = TRI_DEFAULT,
@ -76,7 +84,8 @@ main(int argc, char *argv[])
createrole = TRI_DEFAULT,
inherit = TRI_DEFAULT,
login = TRI_DEFAULT,
replication = TRI_DEFAULT;
replication = TRI_DEFAULT,
bypassrls = TRI_DEFAULT;
PQExpBufferData sql;
@ -89,11 +98,14 @@ main(int argc, char *argv[])
handle_help_version_opts(argc, argv, "createuser", help);
while ((c = getopt_long(argc, argv, "c:dDeEg:h:iIlLp:PrRsSU:wW",
while ((c = getopt_long(argc, argv, "a:c:dDeEg:h:iIlLm:p:PrRsSU:v:wW",
long_options, &optindex)) != -1)
{
switch (c)
{
case 'a':
simple_string_list_append(&admins, optarg);
break;
case 'c':
if (!option_parse_int(optarg, "-c/--connection-limit",
-1, INT_MAX, &conn_limit))
@ -129,6 +141,9 @@ main(int argc, char *argv[])
case 'L':
login = TRI_NO;
break;
case 'm':
simple_string_list_append(&members, optarg);
break;
case 'p':
port = pg_strdup(optarg);
break;
@ -150,6 +165,9 @@ main(int argc, char *argv[])
case 'U':
username = pg_strdup(optarg);
break;
case 'v':
pwexpiry = pg_strdup(optarg);
break;
case 'w':
prompt_password = TRI_NO;
break;
@ -165,6 +183,12 @@ main(int argc, char *argv[])
case 3:
interactive = true;
break;
case 4:
bypassrls = TRI_YES;
break;
case 5:
bypassrls = TRI_NO;
break;
default:
/* getopt_long already emitted a complaint */
pg_log_error_hint("Try \"%s --help\" for more information.", progname);
@ -304,8 +328,17 @@ main(int argc, char *argv[])
appendPQExpBufferStr(&sql, " REPLICATION");
if (replication == TRI_NO)
appendPQExpBufferStr(&sql, " NOREPLICATION");
if (bypassrls == TRI_YES)
appendPQExpBufferStr(&sql, " BYPASSRLS");
if (bypassrls == TRI_NO)
appendPQExpBufferStr(&sql, " NOBYPASSRLS");
if (conn_limit >= -1)
appendPQExpBuffer(&sql, " CONNECTION LIMIT %d", conn_limit);
if (pwexpiry != NULL)
{
appendPQExpBufferStr(&sql, " VALID UNTIL ");
appendStringLiteralConn(&sql, pwexpiry, conn);
}
if (roles.head != NULL)
{
SimpleStringListCell *cell;
@ -320,6 +353,35 @@ main(int argc, char *argv[])
appendPQExpBufferStr(&sql, fmtId(cell->val));
}
}
if (members.head != NULL)
{
SimpleStringListCell *cell;
appendPQExpBufferStr(&sql, " ROLE ");
for (cell = members.head; cell; cell = cell->next)
{
if (cell->next)
appendPQExpBuffer(&sql, "%s,", fmtId(cell->val));
else
appendPQExpBufferStr(&sql, fmtId(cell->val));
}
}
if (admins.head != NULL)
{
SimpleStringListCell *cell;
appendPQExpBufferStr(&sql, " ADMIN ");
for (cell = admins.head; cell; cell = cell->next)
{
if (cell->next)
appendPQExpBuffer(&sql, "%s,", fmtId(cell->val));
else
appendPQExpBufferStr(&sql, fmtId(cell->val));
}
}
appendPQExpBufferChar(&sql, ';');
if (echo)
@ -346,6 +408,8 @@ help(const char *progname)
printf(_("Usage:\n"));
printf(_(" %s [OPTION]... [ROLENAME]\n"), progname);
printf(_("\nOptions:\n"));
printf(_(" -a, --admin=ROLE this role will be a member of new role with admin\n"
" option\n"));
printf(_(" -c, --connection-limit=N connection limit for role (default: no limit)\n"));
printf(_(" -d, --createdb role can create new databases\n"));
printf(_(" -D, --no-createdb role cannot create databases (default)\n"));
@ -356,14 +420,18 @@ help(const char *progname)
printf(_(" -I, --no-inherit role does not inherit privileges\n"));
printf(_(" -l, --login role can login (default)\n"));
printf(_(" -L, --no-login role cannot login\n"));
printf(_(" -m, --member=ROLE this role will be a member of new role\n"));
printf(_(" -P, --pwprompt assign a password to new role\n"));
printf(_(" -r, --createrole role can create new roles\n"));
printf(_(" -R, --no-createrole role cannot create roles (default)\n"));
printf(_(" -s, --superuser role will be superuser\n"));
printf(_(" -S, --no-superuser role will not be superuser (default)\n"));
printf(_(" -v, --valid-until password expiration date for role\n"));
printf(_(" -V, --version output version information, then exit\n"));
printf(_(" --interactive prompt for missing role name and attributes rather\n"
" than using defaults\n"));
printf(_(" --bypassrls role can bypass row-level security (RLS) policy\n"));
printf(_(" --no-bypassrls role cannot bypass row-level security (RLS) policy\n"));
printf(_(" --replication role can initiate replication\n"));
printf(_(" --no-replication role cannot initiate replication\n"));
printf(_(" -?, --help show this help, then exit\n"));

32
src/bin/scripts/t/040_createuser.pl
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@ -25,13 +25,41 @@ $node->issues_sql_like(
qr/statement: CREATE ROLE regress_role1 NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT NOLOGIN;/,
'create a non-login role');
$node->issues_sql_like(
[ 'createuser', '-r', 'regress_user2' ],
qr/statement: CREATE ROLE regress_user2 NOSUPERUSER NOCREATEDB CREATEROLE INHERIT LOGIN;/,
[ 'createuser', '-r', 'regress user2' ],
qr/statement: CREATE ROLE "regress user2" NOSUPERUSER NOCREATEDB CREATEROLE INHERIT LOGIN;/,
'create a CREATEROLE user');
$node->issues_sql_like(
[ 'createuser', '-s', 'regress_user3' ],
qr/statement: CREATE ROLE regress_user3 SUPERUSER CREATEDB CREATEROLE INHERIT LOGIN;/,
'create a superuser');
$node->issues_sql_like(
[
'createuser', '-a',
'regress_user1', '-a',
'regress user2', 'regress user #4'
],
qr/statement: CREATE ROLE "regress user #4" NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN ADMIN regress_user1,"regress user2";/,
'add a role as a member with admin option of the newly created role');
$node->issues_sql_like(
[
'createuser', '-m',
'regress_user3', '-m',
'regress user #4', 'REGRESS_USER5'
],
qr/statement: CREATE ROLE "REGRESS_USER5" NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN ROLE regress_user3,"regress user #4";/,
'add a role as a member of the newly created role');
$node->issues_sql_like(
[ 'createuser', '-v', '2029 12 31', 'regress_user6' ],
qr/statement: CREATE ROLE regress_user6 NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN VALID UNTIL \'2029 12 31\';/,
'create a role with a password expiration date');
$node->issues_sql_like(
[ 'createuser', '--bypassrls', 'regress_user7' ],
qr/statement: CREATE ROLE regress_user7 NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN BYPASSRLS;/,
'create a BYPASSRLS role');
$node->issues_sql_like(
[ 'createuser', '--no-bypassrls', 'regress_user8' ],
qr/statement: CREATE ROLE regress_user8 NOSUPERUSER NOCREATEDB NOCREATEROLE INHERIT LOGIN NOBYPASSRLS;/,
'create a role without BYPASSRLS');
$node->command_fails([ 'createuser', 'regress_user1' ],
'fails if role already exists');

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