*** a/doc/src/sgml/catalogs.sgml
--- b/doc/src/sgml/catalogs.sgml
***************
*** 7393,7398 ****
--- 7393,7403 ----
views
+
+ pg_hba_settings
+ client authentication settings
+
+
***************
*** 9696,9699 **** SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
--- 9701,9786 ----
+
+ <structname>pg_hba_settings</structname>
+
+
+ pg_hba_settings
+
+
+
+ The read-only pg_hba_settings view provides
+ access to the client authentication configuration from pg_hba.conf.
+ Access to this view is limited to superusers.
+
+
+
+ <structname>pg_hba_settings</> Columns
+
+
+
+
+ Name
+ Type
+ Description
+
+
+
+
+ type
+ text
+ Type of connection
+
+
+ databases
+ text[]
+ List of database names
+
+
+ users
+ text[]
+ List of user names
+
+
+ address
+ inet
+ Client machine address
+
+
+ mask
+ inet
+ IP Mask
+
+
+ compare_method
+ text
+ IP address comparison method
+
+
+ hostname
+ text
+ Client host name
+
+
+ method
+ text
+ Authentication method
+
+
+ options
+ text[]
+ Configuration options set for authentication method
+
+
+ line_number
+ integer
+
+ Line number within client authentication configuration file
+ the current value was set at
+
+
+
+
+
+
*** a/doc/src/sgml/client-auth.sgml
--- b/doc/src/sgml/client-auth.sgml
***************
*** 680,685 **** local all @admins,+support md5
--- 680,690 ----
local db1,db2,@demodbs all md5
+
+
+ The contents of this file are reflected in the pg_hba_settings view.
+ See for details.
+
*** a/src/backend/catalog/system_views.sql
--- b/src/backend/catalog/system_views.sql
***************
*** 414,419 **** CREATE RULE pg_settings_n AS
--- 414,424 ----
GRANT SELECT, UPDATE ON pg_settings TO PUBLIC;
+ CREATE VIEW pg_hba_settings AS
+ SELECT * FROM pg_hba_settings() AS A;
+
+ REVOKE ALL on pg_hba_settings FROM public;
+
CREATE VIEW pg_timezone_abbrevs AS
SELECT * FROM pg_timezone_abbrevs();
*** a/src/backend/libpq/hba.c
--- b/src/backend/libpq/hba.c
***************
*** 25,38 ****
--- 25,43 ----
#include
#include
+ #include "access/htup_details.h"
#include "catalog/pg_collation.h"
+ #include "catalog/pg_type.h"
+ #include "funcapi.h"
#include "libpq/ip.h"
#include "libpq/libpq.h"
+ #include "miscadmin.h"
#include "postmaster/postmaster.h"
#include "regex/regex.h"
#include "replication/walsender.h"
#include "storage/fd.h"
#include "utils/acl.h"
+ #include "utils/builtins.h"
#include "utils/guc.h"
#include "utils/lsyscache.h"
#include "utils/memutils.h"
***************
*** 2220,2222 **** hba_getauthmethod(hbaPort *port)
--- 2225,2656 ----
{
check_hba(port);
}
+
+
+ /* LDAP supports 10 currently, keep this well above the most any method needs */
+ #define MAX_OPTIONS 16
+
+ /*
+ * Fill in suitable values to build a tuple representing the
+ * HbaLine provided
+ */
+ static void
+ hba_getvalues_for_line(HbaLine *hba, Datum *values, bool *nulls)
+ {
+ ListCell *dbcell;
+ char buffer[NI_MAXHOST];
+ StringInfoData str;
+ int index = 0;
+ int noptions;
+ Datum options[MAX_OPTIONS];
+
+ /* connection type */
+ switch (hba->conntype)
+ {
+ case ctLocal:
+ values[index] = CStringGetTextDatum("local");
+ break;
+ case ctHost:
+ values[index] = CStringGetTextDatum("host");
+ break;
+ case ctHostSSL:
+ values[index] = CStringGetTextDatum("hostssl");
+ break;
+ case ctHostNoSSL:
+ values[index] = CStringGetTextDatum("hostnossl");
+ break;
+ default:
+ elog(ERROR, "Unexpected Connection Type in parsed HBA entry");
+ break;
+ }
+
+ /* databases */
+ index++;
+ if (list_length(hba->databases) != 0)
+ {
+ int j = 0;
+ HbaToken *tok;
+ Datum *names = palloc(sizeof(Datum) * list_length(hba->databases));
+
+ foreach(dbcell, hba->databases)
+ {
+ tok = lfirst(dbcell);
+ names[j++] = CStringGetTextDatum(tok->string);
+ }
+
+ values[index] = PointerGetDatum(construct_array(names, list_length(hba->databases),
+ TEXTOID, -1, false, 'i'));
+ }
+ else
+ nulls[index] = true;
+
+ /* users */
+ index++;
+ if (list_length(hba->roles) != 0)
+ {
+ int j = 0;
+ HbaToken *tok;
+ Datum *roles = palloc(sizeof(Datum) * list_length(hba->roles));
+
+ foreach(dbcell, hba->roles)
+ {
+ tok = lfirst(dbcell);
+ roles[j++] = CStringGetTextDatum(tok->string);
+ }
+
+ values[index] = PointerGetDatum(construct_array(roles, list_length(hba->roles),
+ TEXTOID, -1, false, 'i'));
+ }
+ else
+ nulls[index] = true;
+
+ /* address */
+ index++;
+ if (pg_getnameinfo_all(&hba->addr, sizeof(struct sockaddr_storage),
+ buffer, sizeof(buffer),
+ NULL, 0,
+ NI_NUMERICHOST) == 0)
+ {
+ clean_ipv6_addr(hba->addr.ss_family, buffer);
+ values[index] = DirectFunctionCall1(inet_in, CStringGetDatum(buffer));
+ }
+ else
+ nulls[index] = true;
+
+ /* mask */
+ index++;
+ if (pg_getnameinfo_all(&hba->mask, sizeof(struct sockaddr_storage),
+ buffer, sizeof(buffer),
+ NULL, 0,
+ NI_NUMERICHOST) == 0)
+ {
+ clean_ipv6_addr(hba->addr.ss_family, buffer);
+ values[index] = DirectFunctionCall1(inet_in, CStringGetDatum(buffer));
+ }
+ else
+ nulls[index] = true;
+
+ /* compare method */
+ index++;
+ if (hba->conntype == ctLocal)
+ nulls[index] = true;
+ else if (hba->ip_cmp_method == ipCmpMask)
+ values[index] = CStringGetTextDatum("mask");
+ else if (hba->ip_cmp_method == ipCmpSameHost)
+ values[index] = CStringGetTextDatum("samehost");
+ else if (hba->ip_cmp_method == ipCmpSameNet)
+ values[index] = CStringGetTextDatum("samenet");
+ else if (hba->ip_cmp_method == ipCmpAll)
+ values[index] = CStringGetTextDatum("all");
+ else
+ elog(ERROR, "Unexpected Compare Method in parsed HBA entry");
+
+ /* hostname */
+ index++;
+ if (hba->hostname)
+ values[index] = CStringGetTextDatum(hba->hostname);
+ else
+ nulls[index] = true;
+
+ /* method */
+ index++;
+ switch (hba->auth_method)
+ {
+ case uaReject:
+ values[index] = CStringGetTextDatum("reject");
+ break;
+ case uaImplicitReject:
+ values[index] = CStringGetTextDatum("implicitreject");
+ break;
+ case uaTrust:
+ values[index] = CStringGetTextDatum("trust");
+ break;
+ case uaIdent:
+ values[index] = CStringGetTextDatum("ident");
+ break;
+ case uaPassword:
+ values[index] = CStringGetTextDatum("password");
+ break;
+ case uaMD5:
+ values[index] = CStringGetTextDatum("md5");
+ break;
+ case uaGSS:
+ values[index] = CStringGetTextDatum("gss");
+ break;
+ case uaSSPI:
+ values[index] = CStringGetTextDatum("sspi");
+ break;
+ case uaPAM:
+ values[index] = CStringGetTextDatum("pam");
+ break;
+ case uaLDAP:
+ values[index] = CStringGetTextDatum("ldap");
+ break;
+ case uaCert:
+ values[index] = CStringGetTextDatum("cert");
+ break;
+ case uaRADIUS:
+ values[index] = CStringGetTextDatum("radius");
+ break;
+ case uaPeer:
+ values[index] = CStringGetTextDatum("peer");
+ break;
+ default:
+ elog(ERROR, "Unexpected Auth Method in parsed HBA entry");
+ break;
+ }
+
+ /* options */
+ index++;
+ noptions = 0;
+
+ if (hba->auth_method == uaGSS || hba->auth_method == uaSSPI)
+ {
+ if (hba->include_realm)
+ options[noptions++] = CStringGetTextDatum("include_realm=true");
+
+ if (hba->krb_realm)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "krb_realm=");
+ appendStringInfoString(&str, hba->krb_realm);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+ }
+
+ if (hba->usermap)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "map=");
+ appendStringInfoString(&str, hba->usermap);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->auth_method == uaLDAP)
+ {
+ if (hba->ldapserver)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapserver=");
+ appendStringInfoString(&str, hba->ldapserver);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapport)
+ {
+ initStringInfo(&str);
+ snprintf(buffer, sizeof(buffer), "%d", hba->ldapport);
+ appendStringInfoString(&str, "ldapport=");
+ appendStringInfoString(&str, buffer);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldaptls)
+ options[noptions++] = CStringGetTextDatum("ldaptls=true");
+
+ if (hba->ldapprefix)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapprefix=");
+ appendStringInfoString(&str, hba->ldapprefix);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapsuffix)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapsuffix=");
+ appendStringInfoString(&str, hba->ldapsuffix);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapbasedn)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapbasedn=");
+ appendStringInfoString(&str, hba->ldapbasedn);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapbinddn)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapbinddn=");
+ appendStringInfoString(&str, hba->ldapbinddn);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapbindpasswd)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapbindpasswd=");
+ appendStringInfoString(&str, hba->ldapbindpasswd);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapsearchattribute)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "ldapsearchattribute=");
+ appendStringInfoString(&str, hba->ldapsearchattribute);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->ldapscope)
+ {
+ initStringInfo(&str);
+ snprintf(buffer, sizeof(buffer), "%d", hba->ldapscope);
+ appendStringInfoString(&str, "ldapscope=");
+ appendStringInfoString(&str, buffer);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+ }
+
+ if (hba->auth_method == uaRADIUS)
+ {
+ if (hba->radiusserver)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "radiusserver=");
+ appendStringInfoString(&str, hba->radiusserver);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->radiussecret)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "radiussecret=");
+ appendStringInfoString(&str, hba->radiussecret);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->radiusidentifier)
+ {
+ initStringInfo(&str);
+ appendStringInfoString(&str, "radiusidentifier=");
+ appendStringInfoString(&str, hba->radiusidentifier);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+
+ if (hba->radiusport)
+ {
+ initStringInfo(&str);
+ snprintf(buffer, sizeof(buffer), "%d", hba->radiusport);
+ appendStringInfoString(&str, "radiusport=");
+ appendStringInfoString(&str, buffer);
+ options[noptions++] = CStringGetTextDatum(str.data);
+ }
+ }
+
+ Assert(noptions <= MAX_OPTIONS);
+ if (noptions)
+ values[index] = PointerGetDatum(
+ construct_array(options, noptions, TEXTOID, -1, false, 'i'));
+ else
+ /* Probably should be {} but that makes for a messy looking view */
+ nulls[index] = true;
+
+ /* line_number */
+ index++;
+ values[index] = Int32GetDatum(hba->linenumber);
+ }
+
+
+ #define NUM_PG_HBA_SETTINGS_ATTS 10
+
+ /*
+ * SQL-accessible SRF to return all the settings from the pg_hba.conf
+ * file. See the pga_hba_settings view in the "System Catalogs" section of the
+ * manual.
+ */
+
+ Datum
+ hba_settings(PG_FUNCTION_ARGS)
+ {
+ Tuplestorestate *tuple_store;
+ TupleDesc tupdesc;
+ ListCell *line;
+ MemoryContext old_cxt;
+
+ /*
+ * We must use the Materialize mode to be safe against HBA file reloads
+ * while the cursor is open. It's also more efficient than having to look
+ * up our current position in the parsed list every time.
+ */
+
+ ReturnSetInfo *rsi = (ReturnSetInfo *) fcinfo->resultinfo;
+
+ if (!rsi || !IsA(rsi, ReturnSetInfo) ||
+ (rsi->allowedModes & SFRM_Materialize) == 0)
+ ereport(ERROR,
+ (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+ errmsg("set-valued function called in context that "
+ "cannot accept a set")));
+
+ rsi->returnMode = SFRM_Materialize;
+
+ /*
+ * Create the tupledesc and tuplestore in the per_query context as
+ * required for SFRM_Materialize.
+ */
+ old_cxt = MemoryContextSwitchTo(rsi->econtext->ecxt_per_query_memory);
+
+ tupdesc = CreateTemplateTupleDesc(NUM_PG_HBA_SETTINGS_ATTS, false);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 1, "type",
+ TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 2, "databases",
+ TEXTARRAYOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 3, "users",
+ TEXTARRAYOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 4, "address",
+ INETOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 5, "mask",
+ INETOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 6, "compare_method",
+ TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 7, "hostname",
+ TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 8, "method",
+ TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 9, "options",
+ TEXTARRAYOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 10, "line_number",
+ INT4OID, -1, 0);
+ BlessTupleDesc(tupdesc);
+
+ tuple_store =
+ tuplestore_begin_heap(rsi->allowedModes & SFRM_Materialize_Random,
+ false, work_mem);
+
+ MemoryContextSwitchTo(old_cxt);
+
+ /*
+ * Loop through the list and deparse each entry as it comes, storing it in
+ * the tuplestore. Any temporary memory allocations here live only for the
+ * function call lifetime.
+ */
+ foreach(line, parsed_hba_lines)
+ {
+ HbaLine *hba = (HbaLine *) lfirst(line);
+ Datum values[NUM_PG_HBA_SETTINGS_ATTS];
+ bool nulls[NUM_PG_HBA_SETTINGS_ATTS];
+ HeapTuple tuple;
+
+ MemSet(values, 0, sizeof(values));
+ MemSet(nulls, 0, sizeof(nulls));
+
+ CHECK_FOR_INTERRUPTS();
+
+ /* Get the next parsed hba line values */
+ hba_getvalues_for_line(hba, values, nulls);
+
+ /* build a tuple */
+ tuple = heap_form_tuple(tupdesc, values, nulls);
+ tuplestore_puttuple(tuple_store, tuple);
+ }
+
+ rsi->setDesc = tupdesc;
+ rsi->setResult = tuple_store;
+
+ PG_RETURN_NULL();
+ }
*** a/src/backend/tcop/postgres.c
--- b/src/backend/tcop/postgres.c
***************
*** 3996,4001 **** PostgresMain(int argc, char *argv[],
--- 3996,4009 ----
{
got_SIGHUP = false;
ProcessConfigFile(PGC_SIGHUP);
+
+ /*
+ * Reload authentication config files too to refresh
+ * pg_hba_settings view data.
+ */
+ if (!load_hba())
+ ereport(LOG,
+ (errmsg("pg_hba.conf not reloaded, pg_hba_settings may show stale information")));
}
/*
*** a/src/include/catalog/pg_proc.h
--- b/src/include/catalog/pg_proc.h
***************
*** 3023,3028 **** DATA(insert OID = 2078 ( set_config PGNSP PGUID 12 1 0 0 0 f f f f f f v 3 0 2
--- 3023,3030 ----
DESCR("SET X as a function");
DATA(insert OID = 2084 ( pg_show_all_settings PGNSP PGUID 12 1 1000 0 0 f f f f t t s 0 0 2249 "" "{25,25,25,25,25,25,25,25,25,25,25,1009,25,25,25,23}" "{o,o,o,o,o,o,o,o,o,o,o,o,o,o,o,o}" "{name,setting,unit,category,short_desc,extra_desc,context,vartype,source,min_val,max_val,enumvals,boot_val,reset_val,sourcefile,sourceline}" _null_ show_all_settings _null_ _null_ _null_ ));
DESCR("SHOW ALL as a function");
+ DATA(insert OID = 3582 ( pg_hba_settings PGNSP PGUID 12 1 1000 0 0 f f f f t t s 0 0 2249 "" "{25,1009,1009,869,869,25,25,25,1009,23}" "{o,o,o,o,o,o,o,o,o,o}" "{type,databases,users,address,mask,compare_method,hostname,method,options,line_number}" _null_ hba_settings _null_ _null_ _null_ ));
+ DESCR("view client authentication settings");
DATA(insert OID = 1371 ( pg_lock_status PGNSP PGUID 12 1 1000 0 0 f f f f t t v 0 0 2249 "" "{25,26,26,23,21,25,28,26,26,21,25,23,25,16,16}" "{o,o,o,o,o,o,o,o,o,o,o,o,o,o,o}" "{locktype,database,relation,page,tuple,virtualxid,transactionid,classid,objid,objsubid,virtualtransaction,pid,mode,granted,fastpath}" _null_ pg_lock_status _null_ _null_ _null_ ));
DESCR("view system lock information");
DATA(insert OID = 1065 ( pg_prepared_xact PGNSP PGUID 12 1 1000 0 0 f f f f t t v 0 0 2249 "" "{28,25,1184,26,26}" "{o,o,o,o,o}" "{transaction,gid,prepared,ownerid,dbid}" _null_ pg_prepared_xact _null_ _null_ _null_ ));
*** a/src/include/utils/builtins.h
--- b/src/include/utils/builtins.h
***************
*** 1090,1095 **** extern Datum quote_nullable(PG_FUNCTION_ARGS);
--- 1090,1096 ----
extern Datum show_config_by_name(PG_FUNCTION_ARGS);
extern Datum set_config_by_name(PG_FUNCTION_ARGS);
extern Datum show_all_settings(PG_FUNCTION_ARGS);
+ extern Datum hba_settings(PG_FUNCTION_ARGS);
/* lockfuncs.c */
extern Datum pg_lock_status(PG_FUNCTION_ARGS);
*** a/src/test/regress/expected/rules.out
--- b/src/test/regress/expected/rules.out
***************
*** 1315,1320 **** pg_group| SELECT pg_authid.rolname AS groname,
--- 1315,1331 ----
WHERE (pg_auth_members.roleid = pg_authid.oid)) AS grolist
FROM pg_authid
WHERE (NOT pg_authid.rolcanlogin);
+ pg_hba_settings| SELECT a.type,
+ a.databases,
+ a.users,
+ a.address,
+ a.mask,
+ a.compare_method,
+ a.hostname,
+ a.method,
+ a.options,
+ a.line_number
+ FROM pg_hba_settings() a(type, databases, users, address, mask, compare_method, hostname, method, options, line_number);
pg_indexes| SELECT n.nspname AS schemaname,
c.relname AS tablename,
i.relname AS indexname,