diff options
Diffstat (limited to 'nis/ypclnt.c')
| -rw-r--r-- | nis/ypclnt.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/nis/ypclnt.c b/nis/ypclnt.c index ab28e6002b..184e49de6d 100644 --- a/nis/ypclnt.c +++ b/nis/ypclnt.c @@ -74,7 +74,7 @@ yp_bind_client_create (const char *domain, dom_binding *ysd, if (ysd->dom_client != NULL) { /* If the program exits, close the socket */ - if (fcntl (ysd->dom_socket, F_SETFD, 1) == -1) + if (fcntl (ysd->dom_socket, F_SETFD, FD_CLOEXEC) == -1) perror ("fcntl: F_SETFD"); } } @@ -83,23 +83,18 @@ yp_bind_client_create (const char *domain, dom_binding *ysd, static void yp_bind_file (const char *domain, dom_binding *ysd) { - struct ypbind_resp ypbr; - char path[sizeof (BINDINGDIR) + strlen (domain) + 10]; - struct iovec vec[2]; - unsigned short port; - int fd; + char path[sizeof (BINDINGDIR) + strlen (domain) + 3 * sizeof (unsigned) + 3]; - sprintf (path, "%s/%s.%d", BINDINGDIR, domain, YPBINDVERS); - fd = open (path, O_RDONLY); + snprintf (path, sizeof (path), "%s/%s.%u", BINDINGDIR, domain, YPBINDVERS); + int fd = open (path, O_RDONLY); if (fd >= 0) { - /* We have a binding file and could save a RPC call */ - vec[0].iov_base = &port; - vec[0].iov_len = sizeof (port); - vec[1].iov_base = &ypbr; - vec[1].iov_len = sizeof (ypbr); + /* We have a binding file and could save a RPC call. The file + contains a port number and the YPBIND_RESP record. The port + number (16 bits) can be ignored. */ + struct ypbind_resp ypbr; - if (readv (fd, vec, 2) == sizeof (port) + sizeof (ypbr)) + if (pread (fd, &ypbr, sizeof (ypbr), 2) == sizeof (ypbr)) yp_bind_client_create (domain, ysd, &ypbr); close (fd); @@ -183,9 +178,9 @@ __yp_bind (const char *domain, dom_binding **ypdb) } #if USE_BINDINGDIR - /* Try binding dir at first if we have no binding */ + /* Try binding dir at first if we have no binding */ if (ysd->dom_client == NULL) - yp_bind_file (domain, ysd); + yp_bind_file (domain, ysd); #endif /* USE_BINDINGDIR */ if (ysd->dom_client == NULL) |