warp-vpn

commit 7b1a80054e6943011c526a34e01bb8e7946be4dd
parent e062a5479f020a21d8a8b81dab1d1266a4d07e7e
Author: sin <sin@2f30.org>
Date:   Thu, 17 Mar 2016 19:38:15 +0000

Fix signed/unsigned stuff

Diffstat:
M
stun.c
 | 
34
+++++++++++++++++-----------------

1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/stun.c b/stun.c
@@ -98,12 +98,12 @@ opentun(char *tundev)
 	return fd;
 }
 
-ssize_t
-writetun(int fd, unsigned char *buf, size_t len)
+int
+writetun(int fd, unsigned char *buf, int len)
 {
 	struct iovec iov[2];
 	uint32_t type = htonl(AF_INET);
-	ssize_t n;
+	int n;
 
 	iov[0].iov_base = &type;
 	iov[0].iov_len = sizeof(type);
@@ -117,12 +117,12 @@ writetun(int fd, unsigned char *buf, size_t len)
 	return n;
 }
 
-ssize_t
-readtun(int fd, unsigned char *buf, size_t len)
+int
+readtun(int fd, unsigned char *buf, int len)
 {
 	struct iovec iov[2];
 	uint32_t type;
-	ssize_t n;
+	int n;
 
 	iov[0].iov_base = &type;
 	iov[0].iov_len = sizeof(type);
@@ -153,13 +153,13 @@ unpackint(unsigned char *buf)
 
 /* handles partial writes */
 int
-writeall(int fd, void *buf, int count)
+writeall(int fd, void *buf, int len)
 {
 	unsigned char *p = buf;
 	int n, total = 0;
 
-	while (count > 0) {
-		n = write(fd, p + total, count);
+	while (len > 0) {
+		n = write(fd, p + total, len);
 		if (n < 0) {
 			warn("write");
 			total = -1;
@@ -168,19 +168,19 @@ writeall(int fd, void *buf, int count)
 			break;
 		}
 		total += n;
-		count -= n;
+		len -= n;
 	}
 	return total;
 }
 
 /* encrypt a packet and send it to the remote peer */
 int
-writenet(int fd, unsigned char *buf, int buflen)
+writenet(int fd, unsigned char *buf, int len)
 {
 	unsigned char encbuf[MTU + AES_BLOCK_SIZE + HDRLEN];
 	int pktlen;
 
-	pktlen = aesenc(&enc, &encbuf[HDRLEN], buf, buflen);
+	pktlen = aesenc(&enc, &encbuf[HDRLEN], buf, len);
 	packint(encbuf, pktlen);
 	pktlen += HDRLEN;
 	return writeall(fd, encbuf, pktlen);
@@ -188,13 +188,13 @@ writenet(int fd, unsigned char *buf, int buflen)
 
 /* handles partial reads */
 int
-readall(int fd, void *buf, int count)
+readall(int fd, void *buf, int len)
 {
 	unsigned char *p = buf;
 	int n, total = 0;
 
-	while (count > 0) {
-		n = read(fd, p + total, count);
+	while (len > 0) {
+		n = read(fd, p + total, len);
 		if (n < 0) {
 			warn("read");
 			total = -1;
@@ -203,14 +203,14 @@ readall(int fd, void *buf, int count)
 			break;
 		}
 		total += n;
-		count -= n;
+		len -= n;
 	}
 	return total;
 }
 
 /* read a packet from the remote peer, decrypt it and pass it back through buf */
 int
-readnet(int fd, unsigned char *buf, int count)
+readnet(int fd, unsigned char *buf, int len)
 {
 	unsigned char decbuf[MTU + AES_BLOCK_SIZE + HDRLEN];
 	unsigned char hdr[HDRLEN];