X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=support%2Fnfs%2Fnfssvc.c;h=9bbc9a5195d4ad4012bcd626977d321aa1c94c03;hb=eb3a145789b9eedd39b56e1d76f412435abaa747;hp=1feffdde3283f57c53bb1ab3f34b8dcd92154fd1;hpb=b0c3cbfee702c019dab0a22557bbf38e24dfcee1;p=nfs-utils.git

diff --git a/support/nfs/nfssvc.c b/support/nfs/nfssvc.c
index 1feffdd..9bbc9a5 100644
--- a/support/nfs/nfssvc.c
+++ b/support/nfs/nfssvc.c
@@ -28,11 +28,25 @@
 static void
 nfssvc_setfds(int port, unsigned int ctlbits, char *haddr)
 {
-	int fd, on=1;
+	int fd, n, on=1;
 	char buf[BUFSIZ];
 	int udpfd = -1, tcpfd = -1;
 	struct sockaddr_in sin;
 
+	fd = open(NFSD_PORTS_FILE, O_RDONLY);
+	if (fd < 0)
+		return;
+	n = read(fd, buf, BUFSIZ);
+	close(fd);
+	if (n != 0)
+		return;
+	/* there are no ports currently open, so it is safe to
+	 * try to open some and pass them through.
+	 * Note: If the user explicitly asked for 'udp', then
+	 * we should probably check if that is open, and should
+	 * open it if not.  However we don't yet.  All sockets
+	 * have to be opened when the first daemon is started.
+	 */
 	fd = open(NFSD_PORTS_FILE, O_WRONLY);
 	if (fd < 0)
 		return;
@@ -81,7 +95,7 @@ nfssvc_setfds(int port, unsigned int ctlbits, char *haddr)
 		snprintf(buf, BUFSIZ,"%d\n", udpfd); 
 		if (write(fd, buf, strlen(buf)) != strlen(buf)) {
 			syslog(LOG_ERR, 
-			       "nfssvc: writting fds to kernel failed: errno %d (%s)", 
+			       "nfssvc: writing fds to kernel failed: errno %d (%s)", 
 			       errno, strerror(errno));
 		}
 		close(fd);
@@ -93,7 +107,7 @@ nfssvc_setfds(int port, unsigned int ctlbits, char *haddr)
 		snprintf(buf, BUFSIZ,"%d\n", tcpfd); 
 		if (write(fd, buf, strlen(buf)) != strlen(buf)) {
 			syslog(LOG_ERR, 
-			       "nfssvc: writting fds to kernel failed: errno %d (%s)", 
+			       "nfssvc: writing fds to kernel failed: errno %d (%s)", 
 			       errno, strerror(errno));
 		}
 	}