Further refactoring of proxy code

toxcore/TCP_client.c

@@ -37,15 +37,8 @@
  */
 static int connect_sock_to(sock_t sock, IP_Port ip_port, TCP_Proxy_Info *proxy_info)
 {
-    switch (proxy_info->proxy_type) {
+    if (proxy_info->proxy_type != TCP_PROXY_NONE) {
-        case TCP_PROXY_HTTP:
+            ip_port =proxy_info->ip_port;
-            ip_port = ((TCP_Proxy_HTTP*)proxy_info->proxy)->ip_port;
-            break;
-        case TCP_PROXY_SOCKS5:
-            ip_port = ((TCP_Proxy_SOCKS5*)proxy_info->proxy)->ip_port;
-            break;
-        case TCP_PROXY_NONE:
-            break;
     }
 
     struct sockaddr_storage addr = {0};
@@ -613,15 +606,8 @@ TCP_Client_Connection *new_TCP_connection(IP_Port ip_port, const uint8_t *public
 
     uint8_t family = ip_port.ip.family;
 
-    switch (proxy_info->proxy_type) {
+    if (proxy_info->proxy_type != TCP_PROXY_NONE) {
-        case TCP_PROXY_HTTP:
+        family = proxy_info->ip_port.ip.family;
-            family = ((TCP_Proxy_HTTP*)proxy_info->proxy)->ip_port.ip.family;
-            break;
-        case TCP_PROXY_SOCKS5:
-            family = ((TCP_Proxy_SOCKS5*)proxy_info->proxy)->ip_port.ip.family;
-            break;
-        case TCP_PROXY_NONE:
-            break;
     }
 
     sock_t sock = socket(family, SOCK_STREAM, IPPROTO_TCP);

toxcore/TCP_client.h

@@ -37,17 +37,7 @@ typedef enum {
 
 typedef struct {
     IP_Port ip_port;
-} TCP_Proxy_HTTP;
-
-typedef struct {
-    IP_Port ip_port;
-} TCP_Proxy_SOCKS5;
-
-
-
-typedef struct {
     uint8_t proxy_type; // a value from TCP_PROXY_TYPE
-    void* proxy; // pointer to the corresponding proxy type struct
 } TCP_Proxy_Info;
 
 enum {

toxcore/tox.c

@@ -1022,61 +1022,27 @@ Tox *tox_new(Tox_Options *options)
         m_options.udp_disabled = options->udp_disabled;
 
         switch (options->proxy_type) {
-            case TOX_PROXY_HTTP: {
+            case TOX_PROXY_HTTP:
                 m_options.proxy_info.proxy_type = TCP_PROXY_HTTP;
-                m_options.proxy_info.proxy = malloc(sizeof(TCP_Proxy_HTTP));
-                if (!m_options.proxy_info.proxy) {
-                    return NULL;
-                }
-
-                TCP_Proxy_HTTP* m_proxy = (TCP_Proxy_HTTP*)m_options.proxy_info.proxy;
-                Tox_Proxy_HTTP* tox_proxy = (Tox_Proxy_HTTP*)options->proxy;
-
-                ip_init(&m_proxy->ip_port.ip, m_options.ipv6enabled);
-
-                if (m_options.ipv6enabled) {
-                    m_proxy->ip_port.ip.family = AF_UNSPEC;
-                }
-
-                if (!addr_resolve_or_parse_ip(tox_proxy->address, &m_proxy->ip_port.ip, NULL)) {
-                    return NULL;
-                }
-
-                m_proxy->ip_port.port = htons(tox_proxy->port);
-
                 break;
-            }
+            case TOX_PROXY_SOCKS5:
-
-            case TOX_PROXY_SOCKS5: {
                 m_options.proxy_info.proxy_type = TCP_PROXY_SOCKS5;
-                m_options.proxy_info.proxy = malloc(sizeof(TCP_Proxy_SOCKS5));
-                if (!m_options.proxy_info.proxy) {
-                    return NULL;
-                }
-
-                TCP_Proxy_SOCKS5* m_proxy = (TCP_Proxy_SOCKS5*)m_options.proxy_info.proxy;
-                Tox_Proxy_SOCKS5* tox_proxy = (Tox_Proxy_SOCKS5*)options->proxy;
-
-                ip_init(&m_proxy->ip_port.ip, m_options.ipv6enabled);
-
-                if (m_options.ipv6enabled) {
-                    m_proxy->ip_port.ip.family = AF_UNSPEC;
-                }
-
-                if (!addr_resolve_or_parse_ip(tox_proxy->address, &m_proxy->ip_port.ip, NULL)) {
-                    return NULL;
-                }
-
-                m_proxy->ip_port.port = htons(tox_proxy->port);
-
                 break;
-            }
+            case TOX_PROXY_NONE:
-
-            case TOX_PROXY_NONE: {
                 m_options.proxy_info.proxy_type = TCP_PROXY_NONE;
-
                 break;
         }
+
+        if (m_options.proxy_info.proxy_type != TCP_PROXY_NONE) {
+            ip_init(&m_options.proxy_info.ip_port.ip, m_options.ipv6enabled);
+
+            if (m_options.ipv6enabled)
+                m_options.proxy_info.ip_port.ip.family = AF_UNSPEC;
+
+            if (!addr_resolve_or_parse_ip(options->proxy_address, &m_options.proxy_info.ip_port.ip, NULL))
+                return NULL;
+
+            m_options.proxy_info.ip_port.port = htons(options->proxy_port);
         }
     }
 

toxcore/tox.h

@@ -879,16 +879,6 @@ typedef enum {
     TOX_PROXY_SOCKS5
 } TOX_PROXY_TYPE;
 
-typedef struct {
-    char address[256]; /* Proxy ip or domain in NULL terminated string format. */
-    uint16_t port; /* Proxy port: in host byte order. */
-} Tox_Proxy_HTTP;
-
-typedef struct {
-    char address[256]; /* Proxy ip or domain in NULL terminated string format. */
-    uint16_t port; /* Proxy port: in host byte order. */
-} Tox_Proxy_SOCKS5;
-
 typedef struct {
     /*
     *  The type of UDP socket created depends on ipv6enabled:
@@ -903,8 +893,9 @@ typedef struct {
        This will force Tox to use TCP only which may slow things down.
        Disabling udp support is necessary when using proxies or Tor.*/
     uint8_t udp_disabled;
-    uint8_t proxy_type; // a value from TOX_PROXY_TYPE
+    uint8_t proxy_type; /* a value from TOX_PROXY_TYPE */
-    void* proxy; // pointer to the corresponding proxy type struct
+    char proxy_address[256]; /* Proxy ip or domain in NULL terminated string format. */
+    uint16_t proxy_port; /* Proxy port in host byte order. */
 } Tox_Options;
 
 /*