diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | ext/socket/init.c | 6 |
2 files changed, 10 insertions, 0 deletions
@@ -1,3 +1,7 @@ +Thu Oct 15 00:26:07 2009 Tanaka Akira <akr@fsij.org> + + * ext/socket/init.c (rsock_init_sock): validate file descriptor. + Wed Oct 14 13:24:14 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> * ruby.c (process_options): script name should not be shown in an diff --git a/ext/socket/init.c b/ext/socket/init.c index ed85e0b503..85cc3de4f9 100644 --- a/ext/socket/init.c +++ b/ext/socket/init.c @@ -43,6 +43,12 @@ VALUE rsock_init_sock(VALUE sock, int fd) { rb_io_t *fp; + struct stat sbuf; + + if (fstat(fd, &sbuf) < 0) + rb_sys_fail(0); + if (!S_ISSOCK(sbuf.st_mode)) + rb_raise(rb_eArgError, "not a socket file descriptor"); MakeOpenFile(sock, fp); fp->fd = fd; |