From: Egor <egor@patchysicp.xyz>
Date: Tue, 17 May 2022 16:28:16 +0000 (+0300)
Subject: support IPv4/v6 unconditionally
X-Git-Url: https://git.patchysicp.xyz/?a=commitdiff_plain;h=70e51893e44b9ea12a420ae31938fbdc53e07fa7;p=patchyircd.git

support IPv4/v6 unconditionally
---

diff --git a/config.h b/config.h
index b64f021..2e81fb9 100644
--- a/config.h
+++ b/config.h
@@ -2,8 +2,6 @@
 #define LISTENING_PORT_TLS 6697
 #define LISTENING_BACKLOG SOMAXCONN
 #define CLIENTS 30
-#define SUPPORT_IPV4
-#define SUPPORT_IPV6
 #define MAX_NICKLEN 32
 #ifndef ADMINLOC1
 #define ADMINLOC1 "Location 1"
diff --git a/main.c b/main.c
index 1a0e488..a927c66 100644
--- a/main.c
+++ b/main.c
@@ -72,14 +72,10 @@ struct client_data *clients[CLIENTS];
 fd_set readfds;
 
 
-#ifdef SUPPORT_IPV4
-	struct sockaddr_in serverAddrV4;
-	size_t serverAddrV4len;
-#endif
-#ifdef SUPPORT_IPV6
-	struct sockaddr_in6 serverAddrV6;
-	size_t serverAddrV6len;
-#endif
+struct sockaddr_in serverAddrV4;
+size_t serverAddrV4len;
+struct sockaddr_in6 serverAddrV6;
+size_t serverAddrV6len;
 FILE *fchanlog = NULL;
 
 SOCKET create_listen_sock(int af, struct sockaddr *addr, size_t len)
@@ -99,13 +95,10 @@ SOCKET create_listen_sock(int af, struct sockaddr *addr, size_t len)
 		exit(EXIT_FAILURE);
 	}
 #endif
-#ifdef SUPPORT_IPV6
-	// IPV6 Only
 	if(af == AF_INET6 && setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&opt, sizeof(opt)) == -1) {
 		net_perror("ERROR SOCKET IPV6");
 		exit(EXIT_FAILURE);
 	}
-#endif
 	// Set nonblock
 	net_nonblock(sock);
 	// Bind to socket
@@ -114,7 +107,7 @@ SOCKET create_listen_sock(int af, struct sockaddr *addr, size_t len)
 		exit(EXIT_FAILURE);
 	}
 	// Listen to socket
-	if(listen(sock, SOMAXCONN) == -1) {
+	if(listen(sock, LISTENING_BACKLOG) == -1) {
 		net_perror("ERROR LISTEN");
 		exit(EXIT_FAILURE);
 	}
@@ -196,7 +189,6 @@ int main() {
 	memset(clients, 0, sizeof(clients));
 
 	// Setup structs
-#ifdef SUPPORT_IPV4
 	memset(&serverAddrV4, 0, sizeof(struct sockaddr_in));
 	serverAddrV4.sin_addr.s_addr = INADDR_ANY;
 	serverAddrV4.sin_port = htons(LISTENING_PORT);
@@ -204,17 +196,13 @@ int main() {
 	serverAddrV4len = sizeof(serverAddrV4);
 	listeners_tls[listener_count] = NULL;
 	listeners[listener_count++] = create_listen_sock(AF_INET, (struct sockaddr*)&serverAddrV4, sizeof(struct sockaddr_in));
-#endif
-#ifdef SUPPORT_IPV6
 	memset(&serverAddrV6, 0, sizeof(struct sockaddr_in6));
 	serverAddrV6.sin6_addr = in6addr_any;
-	serverAddrV6.sin6_flowinfo = 0;
 	serverAddrV6.sin6_port = htons(LISTENING_PORT);
 	serverAddrV6.sin6_family = AF_INET6;
 	serverAddrV6len = sizeof(serverAddrV6);
 	listeners_tls[listener_count] = NULL;
 	listeners[listener_count++] = create_listen_sock(AF_INET6, (struct sockaddr*)&serverAddrV6, sizeof(struct sockaddr_in6));
-#endif
 #ifdef HAS_TLS
 	struct tls_config *tls_cfg;
 	struct tls *tls_ctx;
@@ -234,16 +222,12 @@ int main() {
 		return fprintf(stderr, "tls_configure: %s\n", tls_error(tls_ctx)), 1;
 	tls_config_free(tls_cfg);
 
-#ifdef SUPPORT_IPV4
 	serverAddrV4.sin_port = htons(LISTENING_PORT_TLS);
 	listeners_tls[listener_count] = tls_ctx;
 	listeners[listener_count++] = create_listen_sock(AF_INET, (struct sockaddr*)&serverAddrV4, sizeof(struct sockaddr_in));
-#endif
-#ifdef SUPPORT_IPV6
 	serverAddrV6.sin6_port = htons(LISTENING_PORT_TLS);
 	listeners_tls[listener_count] = tls_ctx;
 	listeners[listener_count++] = create_listen_sock(AF_INET6, (struct sockaddr*)&serverAddrV6, sizeof(struct sockaddr_in6));
-#endif
 #endif
 
 	FILE *f = fopen("init.txt", "rb");