[RFC 9/9] snet: introduce snet_utils.c and snet_utils.h

[Samir Bellabes <sam@synack.fr>]

This patch provides helper functions for other subsystems

Signed-off-by: Samir Bellabes <sam@synack.fr>
---
 security/snet/include/snet_utils.h |    9 ++++++++
 security/snet/snet_utils.c         |   40 ++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 0 deletions(-)
 create mode 100644 security/snet/include/snet_utils.h
 create mode 100644 security/snet/snet_utils.c

diff --git a/security/snet/include/snet_utils.h b/security/snet/include/snet_utils.h
new file mode 100644
index 0000000..131222a
--- /dev/null
+++ b/security/snet/include/snet_utils.h
@@ -0,0 +1,9 @@
+#ifndef _SNET_UTILS_H
+#define _SNET_UTILS_H
+
+#include <linux/types.h>
+
+const char *snet_verdict_name(const enum snet_verdict cmd);
+const char *snet_syscall_name(const enum snet_syscall sys);
+
+#endif	/* _SNET_UTILS_H */
diff --git a/security/snet/snet_utils.c b/security/snet/snet_utils.c
new file mode 100644
index 0000000..6bfdcf6
--- /dev/null
+++ b/security/snet/snet_utils.c
@@ -0,0 +1,40 @@
+#include <linux/types.h>
+#include "snet_verdict.h"
+#include "snet_hooks.h"
+#include "snet_utils.h"
+
+const char *snet_verdict_name(const enum snet_verdict cmd)
+{
+	static const char *const verdict_name[] = {
+		[SNET_VERDICT_GRANT]	= "Grant",
+		[SNET_VERDICT_DENY]	= "Deny",
+		[SNET_VERDICT_PENDING]	= "Pending",
+		[SNET_VERDICT_NONE]	= "None",
+	};
+
+	if (cmd >= SNET_NR_VERDICT_TYPES)
+		return "INVALID";
+	else
+		return verdict_name[cmd];
+}
+
+const char *snet_syscall_name(const enum snet_syscall sys)
+{
+	static const char *const syscall_name[] = {
+		[SNET_SOCKET_CREATE]		= "Create",
+		[SNET_SOCKET_BIND]		= "Bind",
+		[SNET_SOCKET_CONNECT]		= "Connect",
+		[SNET_SOCKET_LISTEN]		= "Listen",
+		[SNET_SOCKET_ACCEPT]		= "Accept",
+		[SNET_SOCKET_POST_ACCEPT]	= "Post Accept",
+		[SNET_SOCKET_SENDMSG]		= "Sendmsg",
+		[SNET_SOCKET_RECVMSG]		= "Recvmsg",
+		[SNET_SOCKET_SOCK_RCV_SKB]	= "Sock Rcv Skb",
+		[SNET_SOCKET_CLOSE]		= "Close",
+	};
+
+	if (sys >= SNET_NR_SOCKET_TYPES)
+		return "INVALID";
+	else
+		return syscall_name[sys];
+}
-- 
1.6.3.3