From 566f9dd587e9fbd696cd9408cc971527e328db2b9178e91f0feb003df744ab1c Mon Sep 17 00:00:00 2001
From: ADAM David Alan Martin <adam@recursive.engineer>
Date: Wed, 6 May 2026 01:38:56 -0400
Subject: [PATCH] OpenSSL fd map a real map now.

---
 src/IO/tls_openssl.cc | 79 ++++++++-----------------------------------
 1 file changed, 14 insertions(+), 65 deletions(-)

diff --git a/src/IO/tls_openssl.cc b/src/IO/tls_openssl.cc
index 5333017..179a5b0 100644
--- a/src/IO/tls_openssl.cc
+++ b/src/IO/tls_openssl.cc
@@ -64,6 +64,7 @@
 #define CERT_STATUS_BAD 3
 #define CERT_STATUS_USER_ACCEPTED 4
 
+#include <map>
 #include <string>
 #include <vector>
 #include <memory>
@@ -83,11 +84,6 @@ toServer( const DilloUrl *const url )
 	return std::make_unique< Server_t >( Server_t{ URL_HOST( url ), URL_PORT( url ), CERT_STATUS_NONE } );
 }
 
-struct FdMapEntry_t{
-   int fd;
-   int connkey;
-};
-
 /*
  * Data type for TLS connection information
  */
@@ -108,33 +104,18 @@ static Klist_t *conn_list = NULL;
  */
 static SSL_CTX *ssl_context;
 static std::vector< std::unique_ptr< Server_t > > servers;
-static Dlist *fd_map;
+static std::map< int, int > fd_map;
 
 static void Tls_connect_cb(int fd, void *vconnkey);
 
-/*
- * Compare by FD.
- */
-static int Tls_fd_map_cmp(const void *v1, const void *v2)
-{
-   int fd = VOIDP2INT(v2);
-   const FdMapEntry_t *e = reinterpret_cast< const FdMapEntry_t * >( v1 );
-
-   return (fd != e->fd);
-}
-
 static void Tls_fd_map_add_entry(int fd, int connkey)
 {
-   FdMapEntry_t *e = std::make_unique< FdMapEntry_t >().release();
-   e->fd = fd;
-   e->connkey = connkey;
-
-   if (dList_find_custom(fd_map, INT2VOIDP(e->fd), Tls_fd_map_cmp)) {
-      MSG_ERR("TLS FD ENTRY ALREADY FOUND FOR %d\n", e->fd);
+   if( fd_map.contains( fd ) ) {
+      MSG_ERR("TLS FD ENTRY ALREADY FOUND FOR %d\n", fd);
       assert(0);
    }
 
-   dList_append(fd_map, e);
+   fd_map[ fd ]= connkey;
 //MSG("ADD ENTRY %d %s\n", e->fd, URL_STR(sd->url));
 }
 
@@ -143,12 +124,9 @@ static void Tls_fd_map_add_entry(int fd, int connkey)
  */
 static void Tls_fd_map_remove_entry(int fd)
 {
-   std::unique_ptr< FdMapEntry_t > data { reinterpret_cast< FdMapEntry_t * >( dList_find_custom(fd_map, INT2VOIDP(fd), Tls_fd_map_cmp) ) };
-
 //MSG("REMOVE ENTRY %d\n", fd);
-   if (data) {
-      dList_remove_fast(fd_map, data.get());
-      data.reset();
+   if (fd_map.contains( fd )) {
+      fd_map.erase( fd );
    } else {
       MSG("TLS FD ENTRY NOT FOUND FOR %d\n", fd);
    }
@@ -162,11 +140,9 @@ void *a_Tls_openssl_connection(int fd)
 {
    Conn_t *conn;
 
-   if (fd_map) {
-      FdMapEntry_t *fme = reinterpret_cast< FdMapEntry_t * >( dList_find_custom(fd_map, INT2VOIDP(fd),
-                                            Tls_fd_map_cmp) );
-
-      if (fme && (conn = reinterpret_cast< Conn_t * >( a_Klist_get_data(conn_list, fme->connkey) )))
+   if (fd_map.contains(fd)) {
+      
+      if ((conn = reinterpret_cast< Conn_t * >( a_Klist_get_data(conn_list, fd_map.at( fd )) )))
          return conn;
    }
    return NULL;
@@ -324,8 +300,6 @@ void a_Tls_openssl_init(void)
    SSL_CTX_set_verify(ssl_context, SSL_VERIFY_NONE, NULL);
 
    Tls_load_certificates();
-
-   fd_map = dList_new(20);
 }
 
 /*
@@ -1370,33 +1344,8 @@ int a_Tls_openssl_write(void *conn, void *buf, size_t len)
 
 void a_Tls_openssl_close_by_fd(int fd)
 {
-   FdMapEntry_t *fme = reinterpret_cast< FdMapEntry_t * >( dList_find_custom(fd_map, INT2VOIDP(fd),
-                                         Tls_fd_map_cmp) );
-
-   if (fme) {
-      Tls_close_by_key(fme->connkey);
-   }
-}
-
-static void Tls_servers_freeall(void)
-{
-      int i, n = servers.size();
-
-      for (i = 0; i < n; i++) {
-         std::unique_ptr< Server_t > s { std::move( servers.at( i ) ) };
-      }
-      servers.clear();
-}
-
-static void Tls_fd_map_remove_all(void)
-{
-   if (fd_map) {
-      int i, n = dList_length(fd_map);
-
-      for (i = 0; i < n; i++) {
-         std::unique_ptr< FdMapEntry_t >fme{ reinterpret_cast<FdMapEntry_t *>( dList_nth_data(fd_map, i) ) };
-      }
-      dList_free(fd_map);
+   if (fd_map.contains( fd )) {
+      Tls_close_by_key(fd_map.at( fd ));
    }
 }
 
@@ -1407,6 +1356,6 @@ void a_Tls_openssl_freeall(void)
 {
    if (ssl_context)
       SSL_CTX_free(ssl_context);
-   Tls_fd_map_remove_all();
-   Tls_servers_freeall();
+   fd_map.clear();
+   servers.clear();
 }