stun

commit e062a5479f020a21d8a8b81dab1d1266a4d07e7e
parent 7c5844fe1eb3588419959b5713fc49e936f442e0
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Thu, 17 Mar 2016 20:05:00 +0100

fix socklen_t cast and some signedness warnings

Diffstat:
M
stun.c
 | 
11
++++++-----

1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/stun.c b/stun.c
@@ -99,7 +99,7 @@ opentun(char *tundev)
 }
 
 ssize_t
-writetun(int fd, char *buf, size_t len)
+writetun(int fd, unsigned char *buf, size_t len)
 {
 	struct iovec iov[2];
 	uint32_t type = htonl(AF_INET);
@@ -118,7 +118,7 @@ writetun(int fd, char *buf, size_t len)
 }
 
 ssize_t
-readtun(int fd, char *buf, size_t len)
+readtun(int fd, unsigned char *buf, size_t len)
 {
 	struct iovec iov[2];
 	uint32_t type;
@@ -237,7 +237,8 @@ loop(int netfd, int tunfd)
 {
 	unsigned char buf[MTU + AES_BLOCK_SIZE + HDRLEN];
 	struct pollfd pfd[2];
-	int ret, n;
+	ssize_t n;
+	int ret;
 
 	pfd[0].fd = netfd;
 	pfd[0].events = POLLIN;
@@ -305,7 +306,7 @@ main(int argc, char *argv[])
 	pw = getenv("STUNPW");
 	if (!pw)
 		errx(1, "STUNPW is not set");
-	if (aesinit(pw, strlen(pw), NULL, &enc, &dec) < 0)
+	if (aesinit((unsigned char *)pw, strlen(pw), NULL, &enc, &dec) < 0)
 		errx(1, "couldn't initialize AES cipher");
 	explicit_bzero(pw, strlen(pw));
 
@@ -346,7 +347,7 @@ again:
 		if (netfd != -1)
 			close(netfd);
 		netfd = accept(listenfd, (struct sockaddr *)&remote,
-		               (int []){sizeof(remote)});
+		               (socklen_t []){sizeof(remote)});
 		if (ret < 0)
 			err(1, "accept");
 		if (debug)