commit 414dd2d: [Minor] Restore old port behaviour

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2023-07-24 10:37:22 +0100
URL: https://github.com/rspamd/rspamd/commit/414dd2d5b4eff49643617759db0eca0dd61ca39a

[Minor] Restore old port behaviour

---
 config.h.in         |  4 ++++
 src/libserver/url.h | 23 +++++++++++++++++++++--
 src/lua/lua_url.c   | 15 +++++++++++----
 3 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/config.h.in b/config.h.in
index b70308331..412dd53e4 100644
--- a/config.h.in
+++ b/config.h.in
@@ -294,18 +294,22 @@
 # define RSPAMD_ALIGNED(x) __declspec(align(x))
 # define RSPAMD_OPTIMIZE(x)
 # define RSPAMD_ALWAYS_INLINE
+# define RSPAMD_PURE_FUNCTION
 #elif defined(__GNUC__)
 # define RSPAMD_ALIGNED(x) __attribute__((aligned(x)))
 # define RSPAMD_ALWAYS_INLINE __attribute__((always_inline))
+# define RSPAMD_PURE_FUNCTION __attribute__((pure))
 #ifndef __clang__
 # define RSPAMD_OPTIMIZE(x) __attribute__((__optimize__ (x)))
 #else
 # define RSPAMD_OPTIMIZE(x)
 #endif
 #else
+/* Unknown compiler */
 # define RSPAMD_ALIGNED(x)
 # define RSPAMD_OPTIMIZE(x)
 # define RSPAMD_ALWAYS_INLINE
+# define RSPAMD_PURE_FUNCTION
 #endif
 #endif
 
diff --git a/src/libserver/url.h b/src/libserver/url.h
index 9c5b7be28..7a005efd8 100644
--- a/src/libserver/url.h
+++ b/src/libserver/url.h
@@ -361,9 +361,14 @@ int rspamd_url_cmp(const struct rspamd_url *u1, const struct rspamd_url *u2);
  */
 int rspamd_url_cmp_qsort(const void *u1, const void *u2);
 
-static inline uint16_t rspamd_url_get_port(struct rspamd_url *u)
+/**
+ * Returns a port for some url
+ * @param u
+ * @return
+ */
+static RSPAMD_PURE_FUNCTION inline uint16_t rspamd_url_get_port(struct rspamd_url *u)
 {
-	if (u->flags & RSPAMD_URL_FLAG_HAS_PORT && u->ext) {
+	if ((u->flags & RSPAMD_URL_FLAG_HAS_PORT) && u->ext) {
 		return u->ext->port;
 	}
 	else {
@@ -377,6 +382,20 @@ static inline uint16_t rspamd_url_get_port(struct rspamd_url *u)
 	}
 }
 
+/**
+ * Returns a port for some url if it is set
+ * @param u
+ * @return
+ */
+static RSPAMD_PURE_FUNCTION inline uint16_t rspamd_url_get_port_if_special(struct rspamd_url *u)
+{
+	if ((u->flags & RSPAMD_URL_FLAG_HAS_PORT) && u->ext) {
+		return u->ext->port;
+	}
+
+	return 0;
+}
+
 /**
  * Normalize unicode input and set out url flags as appropriate
  * @param pool
diff --git a/src/lua/lua_url.c b/src/lua/lua_url.c
index a46f4e276..809bd36d3 100644
--- a/src/lua/lua_url.c
+++ b/src/lua/lua_url.c
@@ -186,7 +186,12 @@ lua_url_get_port (lua_State *L)
 	struct rspamd_lua_url *url = lua_check_url (L, 1);
 
 	if (url != NULL) {
-		lua_pushinteger (L, rspamd_url_get_port(url->url));
+		if (rspamd_url_get_port_if_special(url->url) == 0) {
+			lua_pushnil (L);
+		}
+		else {
+			lua_pushinteger (L, rspamd_url_get_port_if_special(url->url));
+		}
 	}
 	else {
 		lua_pushnil (L);
@@ -679,9 +684,11 @@ lua_url_to_table (lua_State *L)
 			lua_settable (L, -3);
 		}
 
-		lua_pushstring (L, "port");
-		lua_pushinteger (L, rspamd_url_get_port(u));
-		lua_settable (L, -3);
+		if (rspamd_url_get_port_if_special(u) != 0) {
+			lua_pushstring (L, "port");
+			lua_pushinteger (L, rspamd_url_get_port_if_special(u));
+			lua_settable (L, -3);
+		}
 
 		if (u->tldlen > 0) {
 			lua_pushstring (L, "tld");