From c4796f77ecd133e1c38e7813c603c32a3603a445 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sun, 30 Dec 2018 15:50:41 -0500
Subject: [PATCH] rawnet - add rawnet_status() call to check if interface is
 open.

---
 src/rawnet/rawnet.c            | 7 +++++++
 src/rawnet/rawnet.h            | 2 ++
 src/rawnet/rawnetarch.h        | 2 ++
 src/rawnet/rawnetarch_darwin.c | 5 +++++
 src/rawnet/rawnetarch_tap.c    | 4 ++++
 src/rawnet/rawnetarch_unix.c   | 5 +++++
 src/rawnet/rawnetarch_win32.c  | 5 +++++
 7 files changed, 30 insertions(+)

diff --git a/src/rawnet/rawnet.c b/src/rawnet/rawnet.c
index 24c7b87..7ccedfb 100644
--- a/src/rawnet/rawnet.c
+++ b/src/rawnet/rawnet.c
@@ -76,4 +76,11 @@ char *rawnet_get_standard_interface(void)
 {
     return rawnet_arch_get_standard_interface();
 }
+
+extern int rawnet_status(void)
+{
+    return rawnet_arch_status();
+}
+
+
 #endif /* #ifdef HAVE_RAWNET */
diff --git a/src/rawnet/rawnet.h b/src/rawnet/rawnet.h
index 33a0c92..bc61944 100644
--- a/src/rawnet/rawnet.h
+++ b/src/rawnet/rawnet.h
@@ -72,4 +72,6 @@ extern int rawnet_enumadapter(char **ppname, char **ppdescription);
 extern int rawnet_enumadapter_close(void);
 extern char *rawnet_get_standard_interface(void);
 
+extern int rawnet_status(void);
+
 #endif
diff --git a/src/rawnet/rawnetarch.h b/src/rawnet/rawnetarch.h
index f5749f3..4b76204 100644
--- a/src/rawnet/rawnetarch.h
+++ b/src/rawnet/rawnetarch.h
@@ -69,4 +69,6 @@ extern char *rawnet_arch_get_standard_interface(void);
 extern int rawnet_arch_get_mtu(void);
 extern int rawnet_arch_get_mac(uint8_t mac[6]);
 
+extern int rawnet_arch_status(void);
+
 #endif
diff --git a/src/rawnet/rawnetarch_darwin.c b/src/rawnet/rawnetarch_darwin.c
index 63b4d10..582f832 100644
--- a/src/rawnet/rawnetarch_darwin.c
+++ b/src/rawnet/rawnetarch_darwin.c
@@ -498,3 +498,8 @@ int rawnet_arch_get_mac(uint8_t mac[6]) {
 	return -1;
 }
 
+
+int rawnet_arch_status(void) {
+	return interface ? 1 : 0;
+}
+
diff --git a/src/rawnet/rawnetarch_tap.c b/src/rawnet/rawnetarch_tap.c
index 8e59d78..7b886cb 100644
--- a/src/rawnet/rawnetarch_tap.c
+++ b/src/rawnet/rawnetarch_tap.c
@@ -307,3 +307,7 @@ int rawnet_arch_get_mac(uint8_t mac[6]) {
 
 }
 
+int rawnet_arch_status(void) {
+	return interface_fd >= 0 ? 1 : 0;
+}
+
diff --git a/src/rawnet/rawnetarch_unix.c b/src/rawnet/rawnetarch_unix.c
index 4b737d9..a31c6d9 100644
--- a/src/rawnet/rawnetarch_unix.c
+++ b/src/rawnet/rawnetarch_unix.c
@@ -543,4 +543,9 @@ extern int rawnet_arch_get_mac(uint8_t mac[6]) {
     return -1;
 }
 
+int rawnet_arch_status(void) {
+    return rawnet_pcap_fp ? 1 : 0;
+}
+
+
 #endif /* #ifdef HAVE_RAWNET */
diff --git a/src/rawnet/rawnetarch_win32.c b/src/rawnet/rawnetarch_win32.c
index 81d5b4b..42426c0 100644
--- a/src/rawnet/rawnetarch_win32.c
+++ b/src/rawnet/rawnetarch_win32.c
@@ -562,4 +562,9 @@ extern int rawnet_arch_get_mac(uint8_t mac[6]) {
     return -1;
 }
 
+int rawnet_arch_status(void) {
+    return EthernetPcapFP ? 1 : 0;
+}
+
+
 #endif /* #ifdef HAVE_RAWNET */