X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/0972d4d7f8213f61a2181c65a94ffd97eaf381b9..600dc06981df5a906125f8442c36056a117412d4:/test/confs/2620

diff --git a/test/confs/2620 b/test/confs/2620
index 009e74fd8..70a460e24 100644
--- a/test/confs/2620
+++ b/test/confs/2620
@@ -1,6 +1,7 @@
 # Exim test configuration 2620
 
-SERVERS=localhost::PORT_N/test/CALLER/
+PARTIAL=localhost::PORT_N
+SERVERS=PARTIAL/test/CALLER/
 
 .include DIR/aux-var/std_conf_prefix
 
@@ -22,6 +23,32 @@ pgsql_servers = SERVERS
 begin acl
 
 check_recipient:
+	  # Tainted-data checks
+  warn
+	  # taint only in lookup string, properly quoted
+	  set acl_m0 =	ok:   ${lookup pgsql                    {select name from them where id = '${quote_pgsql:$local_part}'}}
+	  # taint only in lookup string, but not quoted
+	  set acl_m0 =	FAIL: ${lookup pgsql,cache=no_rd        {select name from them where id = '$local_part'}}
+  warn
+	  # option on lookup type unaffected
+	  set acl_m0 =	ok:   ${lookup pgsql,servers=SERVERS      {select name from them where id = '${quote_pgsql:$local_part}'}}
+	  # partial server-spec, indexing main-option, works
+	  set acl_m0 =	ok:   ${lookup pgsql,servers=PARTIAL    {select name from them where id = '${quote_pgsql:$local_part}'}}
+	  # oldstyle server spec, prepended to lookup string, fails with taint
+	  set acl_m0 =	FAIL: ${lookup pgsql     {servers=SERVERS; select name from them where id = '${quote_pgsql:$local_part}'}}
+
+	  # In list-style lookup, tainted lookup string is ok if server spec comes from main-option
+  warn	  set acl_m0 =	ok:   hostlist
+	  hosts =	net-pgsql;select * from them where id='${quote_pgsql:$local_part}'
+	  # ... but setting a per-query servers spec fails due to the taint
+  warn	  set acl_m0 =	FAIL: hostlist
+	  hosts =	<& net-pgsql;servers=SERVERS; select * from them where id='${quote_pgsql:$local_part}'
+
+	  # The newer server-list-as-option-to-lookup-type is not a solution to tainted data in the lookup, because
+	  # string-expansion is done before list-expansion so the taint contaminates the entire list.
+  warn	  set acl_m0 =	FAIL: hostlist
+	  hosts =	<& net-pgsql,servers=SERVERS; select * from them where id='${quote_pgsql:$local_part}'
+
   accept  domains = +local_domains
   accept  hosts = +relay_hosts
   deny    message = relay not permitted