From 32913c35cd5f36b00056d3e239c0e85f1f0ed000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Wagner?= <rwagner@rw-net.de>
Date: Wed, 27 Jan 2021 20:57:18 +0100
Subject: [PATCH] implement handling of ROUTE_EXACT definitions

This patchset implements the handling of exact routes
as described in gmnisrvini(5).
---
 include/config.h | 1 +
 src/config.c     | 8 +++++++-
 src/serve.c      | 6 ++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/include/config.h b/include/config.h
index fc7e9fb..f893b20 100644
--- a/include/config.h
+++ b/include/config.h
@@ -12,6 +12,7 @@ struct gmnisrv_tls {
 };
 
 enum gmnisrv_routing {
+	ROUTE_EXACT,
 	ROUTE_PATH,
 	ROUTE_REGEX,
 };
diff --git a/src/config.c b/src/config.c
index 7c1b655..c4c152c 100644
--- a/src/config.c
+++ b/src/config.c
@@ -152,12 +152,16 @@ conf_ini_handler(void *user, const char *section,
 	const char *spec;
 	char hostname[1024 + 1];
 	enum gmnisrv_routing routing;
-	size_t hostln = strcspn(section, ":~");
+	size_t hostln = strcspn(section, "=:~");
 	switch (section[hostln]) {
 	case '\0':
 		routing = ROUTE_PATH;
 		spec = "/";
 		break;
+	case '=':
+		routing = ROUTE_EXACT;
+		spec = &section[hostln + 1];
+		break;
 	case ':':
 		routing = ROUTE_PATH;
 		spec = &section[hostln + 1];
@@ -196,6 +200,7 @@ conf_ini_handler(void *user, const char *section,
 
 		switch (route->routing) {
 		case ROUTE_PATH:
+		case ROUTE_EXACT:
 			route->path = strdup(spec);
 			break;
 		case ROUTE_REGEX:
@@ -315,6 +320,7 @@ config_finish(struct gmnisrv_config *conf)
 		while (route) {
 			switch (route->routing) {
 			case ROUTE_PATH:
+			case ROUTE_EXACT:
 				free(route->path);
 				break;
 			case ROUTE_REGEX:
diff --git a/src/serve.c b/src/serve.c
index 99f122e..e891d42 100644
--- a/src/serve.c
+++ b/src/serve.c
@@ -337,6 +337,12 @@ route_match(struct gmnisrv_route *route, const char *path, char **revised)
 	free(*revised);
 	*revised = NULL;
 	switch (route->routing) {
+	case ROUTE_EXACT:;
+		if (strlen(route->path)==strlen(path) && strncmp(path, route->path, strlen(route->path)) == 0 ) {
+			*revised = strdup(path);
+			return true;
+		}
+		return false;
 	case ROUTE_PATH:;
 		size_t l = strlen(route->path);
 		if (strncmp(path, route->path, l) != 0) {