commit da2185f37f70f8665c4d800f8f9bbf4027fd7b81
from: Omar Polo <op@omarpolo.com>
date: Sat Jan 01 16:33:40 2022 UTC

move proxy sub-options to their own rule and allow grouping with { ... }

commit - cc1c8f548cd6fda15eac50b3f150acc714ca1545
commit + da2185f37f70f8665c4d800f8f9bbf4027fd7b81
blob - bab52091a7176665180a57639ab7826c9bb3e6ad
blob + 6fe205d8e071aa0e2b98b9821859871d4d4b9442
--- parse.y
+++ parse.y
@@ -330,14 +330,37 @@ locopt		: AUTO INDEX bool	{ loc->auto_index = $3 ? 1 :
 			loc->lang = $2;
 		}
 		| LOG bool	{ loc->disable_log = !$2; }
-		| PROXY RELAY_TO string {
+		| proxy
+		| REQUIRE CLIENT CA string {
+			only_once(loc->reqca, "require client ca");
+			ensure_absolute_path($4);
+			if ((loc->reqca = load_ca($4)) == NULL)
+				yyerror("couldn't load ca cert: %s", $4);
+			free($4);
+		}
+		| ROOT string		{
+			only_once(loc->dir, "root");
+			loc->dir  = ensure_absolute_path($2);
+		}
+		| STRIP NUM		{ loc->strip = check_strip_no($2); }
+		;
+
+proxy		: PROXY proxy_opt
+		| PROXY '{' optnl proxy_opts '}'
+		;
+
+proxy_opts	: /* empty */
+		| proxy_opts proxy_opt optnl
+		;
+
+proxy_opt	: RELAY_TO string {
 			char		*at;
 			const char	*errstr;
 
 			only_once(loc->proxy_host, "proxy relay-to");
-			loc->proxy_host = $3;
+			loc->proxy_host = $2;
 
-			if ((at = strchr($3, ':')) != NULL) {
+			if ((at = strchr($2, ':')) != NULL) {
 				*at++ = '\0';
 				loc->proxy_port = at;
 			} else
@@ -348,18 +371,6 @@ locopt		: AUTO INDEX bool	{ loc->auto_index = $3 ? 1 :
 				yyerror("proxy port is %s: %s", errstr,
 				    loc->proxy_port);
 		}
-		| REQUIRE CLIENT CA string {
-			only_once(loc->reqca, "require client ca");
-			ensure_absolute_path($4);
-			if ((loc->reqca = load_ca($4)) == NULL)
-				yyerror("couldn't load ca cert: %s", $4);
-			free($4);
-		}
-		| ROOT string		{
-			only_once(loc->dir, "root");
-			loc->dir  = ensure_absolute_path($2);
-		}
-		| STRIP NUM		{ loc->strip = check_strip_no($2); }
 		;
 
 fastcgi		: SPAWN string {