Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.

1 files changed, 92 insertions, 0 deletions

diff --git a/tcpd/spipe.c b/tcpd/spipe.c
new file mode 100644
index 0000000..d60a508
--- /dev/null
+++ b/tcpd/spipe.c
@@ -0,0 +1,92 @@
+/*
+** Copyright 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+
+#include	"config.h"
+#include	"spipe.h"
+
+#if HAVE_SPIPE_SOCKETPAIR
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+int libmail_streampipe(int fd[2])
+{
+	return (socketpair(PF_UNIX, SOCK_STREAM, 0, fd));
+}
+#endif
+
+#if HAVE_SPIPE_SVR3
+
+/* This is, basically, Stevens */
+
+#include	<sys/types.h>
+#include	<sys/stream.h>		/* defines queue_t */
+#include	<stropts.h>		/* defines struct strfdinsert */
+#include	<fcntl.h>
+
+#define	SPX_DEVICE	"/dev/spx"
+
+int					/* return 0 if OK, -1 on error */
+libmail_streampipe(int fd[2])
+		/* two file descriptors returned through here */
+{
+	struct strfdinsert	ins;
+	queue_t			*pointer;
+
+	/*
+	 * First open the stream clone device "/dev/spx" twice,
+	 * obtaining the two file descriptors.
+	 */
+
+	if ( (fd[0] = open(SPX_DEVICE, O_RDWR)) < 0)
+		return(-1);
+
+	if ( (fd[1] = open(SPX_DEVICE, O_RDWR)) < 0) {
+		close(fd[0]);
+		return(-1);
+	}
+
+	/*
+	 * Now link these two streams together with an I_FDINSERT ioctl.
+	 */
+
+	ins.ctlbuf.buf     = (char *) &pointer;	/* no ctl info, just the ptr */
+	ins.ctlbuf.maxlen  = sizeof(queue_t *);
+	ins.ctlbuf.len     = sizeof(queue_t *);
+
+	ins.databuf.buf    = (char *) 0;	/* no data to send */
+	ins.databuf.len    = -1; /* magic: must be -1, not 0, for stream pipe */
+	ins.databuf.maxlen = 0;
+
+	ins.fildes = fd[1];	/* the fd to connect with fd[0] */
+	ins.flags  = 0;		/* nonpriority message */
+	ins.offset = 0;		/* offset of pointer in control buffer */
+
+	if (ioctl(fd[0], I_FDINSERT, (char * ) &ins) < 0) {
+		close(fd[0]);
+		close(fd[1]);
+		return(-1);
+	}
+
+	return(0);		/* all OK */
+}
+
+#endif
+
+#if HAVE_SPIPE_SVR4
+
+#include	<stdio.h>
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+#include	<stdlib.h>
+
+int	libmail_streampipe(int fd[2])
+{
+	return (pipe(fd));
+}
+
+#endif