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-rw-r--r--libdnet-stripped/src/tun-solaris.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/libdnet-stripped/src/tun-solaris.c b/libdnet-stripped/src/tun-solaris.c
new file mode 100644
index 0000000..07186ce
--- /dev/null
+++ b/libdnet-stripped/src/tun-solaris.c
@@ -0,0 +1,127 @@
+/*
+ * tun-solaris.c
+ *
+ * Universal TUN/TAP driver
+ *
+ * Copyright (c) 2001 Dug Song <dugsong@monkey.org>
+ *
+ * $Id: tun-solaris.c 547 2005-01-25 21:30:40Z dugsong $
+ */
+
+#include "config.h"
+
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+
+#include <net/if.h>
+#include <net/if_tun.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stropts.h>
+#include <unistd.h>
+
+#include "dnet.h"
+
+#define DEV_TUN "/dev/tun"
+#define DEV_IP "/dev/ip"
+
+struct tun {
+ int fd;
+ int ip_fd;
+ int if_fd;
+ char name[16];
+};
+
+tun_t *
+tun_open(struct addr *src, struct addr *dst, int mtu)
+{
+ tun_t *tun;
+ char cmd[512];
+ int ppa;
+
+ if ((tun = calloc(1, sizeof(*tun))) == NULL)
+ return (NULL);
+
+ tun->fd = tun->ip_fd = tun->if_fd = -1;
+
+ if ((tun->fd = open(DEV_TUN, O_RDWR, 0)) < 0)
+ return (tun_close(tun));
+
+ if ((tun->ip_fd = open(DEV_IP, O_RDWR, 0)) < 0)
+ return (tun_close(tun));
+
+ if ((ppa = ioctl(tun->fd, TUNNEWPPA, ppa)) < 0)
+ return (tun_close(tun));
+
+ if ((tun->if_fd = open(DEV_TUN, O_RDWR, 0)) < 0)
+ return (tun_close(tun));
+
+ if (ioctl(tun->if_fd, I_PUSH, "ip") < 0)
+ return (tun_close(tun));
+
+ if (ioctl(tun->if_fd, IF_UNITSEL, (char *)&ppa) < 0)
+ return (tun_close(tun));
+
+ if (ioctl(tun->ip_fd, I_LINK, tun->if_fd) < 0)
+ return (tun_close(tun));
+
+ snprintf(tun->name, sizeof(tun->name), "tun%d", ppa);
+
+ snprintf(cmd, sizeof(cmd), "ifconfig %s %s/32 %s mtu %d up",
+ tun->name, addr_ntoa(src), addr_ntoa(dst), mtu);
+
+ if (system(cmd) < 0)
+ return (tun_close(tun));
+
+ return (tun);
+}
+
+const char *
+tun_name(tun_t *tun)
+{
+ return (tun->name);
+}
+
+int
+tun_fileno(tun_t *tun)
+{
+ return (tun->fd);
+}
+
+ssize_t
+tun_send(tun_t *tun, const void *buf, size_t size)
+{
+ struct strbuf sbuf;
+
+ sbuf.buf = buf;
+ sbuf.len = size;
+ return (putmsg(tun->fd, NULL, &sbuf, 0) >= 0 ? sbuf.len : -1);
+}
+
+ssize_t
+tun_recv(tun_t *tun, void *buf, size_t size)
+{
+ struct strbuf sbuf;
+ int flags = 0;
+
+ sbuf.buf = buf;
+ sbuf.maxlen = size;
+ return (getmsg(tun->fd, NULL, &sbuf, &flags) >= 0 ? sbuf.len : -1);
+}
+
+tun_t *
+tun_close(tun_t *tun)
+{
+ if (tun->if_fd >= 0)
+ close(tun->if_fd);
+ if (tun->ip_fd >= 0)
+ close(tun->ip_fd);
+ if (tun->fd >= 0)
+ close(tun->fd);
+ free(tun);
+ return (NULL);
+}