From 46df850cb9a30305cc04e9f4c7d56cd3000c3c36 Mon Sep 17 00:00:00 2001
From: Marco <marco.veeneman@schleifenbauer.eu>
Date: Wed, 1 Mar 2017 16:53:24 +0100
Subject: [PATCH] Implemented framework mib.

---
 src/apps/snmp/snmp_snmpv2_framework.c         | 88 +++++++++++++++++++
 src/include/lwip/apps/snmp_snmpv2_framework.h | 32 +++++++
 2 files changed, 120 insertions(+)
 create mode 100644 src/apps/snmp/snmp_snmpv2_framework.c
 create mode 100644 src/include/lwip/apps/snmp_snmpv2_framework.h

diff --git a/src/apps/snmp/snmp_snmpv2_framework.c b/src/apps/snmp/snmp_snmpv2_framework.c
new file mode 100644
index 00000000..4fbbd7e3
--- /dev/null
+++ b/src/apps/snmp/snmp_snmpv2_framework.c
@@ -0,0 +1,88 @@
+/*
+Generated by LwipMibCompiler
+*/
+
+#include "lwip/apps/snmp_opts.h"
+
+#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/apps/snmp_snmpv2_framework.h"
+#include "lwip/apps/snmp.h"
+#include "lwip/apps/snmp_core.h"
+#include "lwip/apps/snmp_scalar.h"
+#include "lwip/apps/snmp_table.h"
+#include "lwip/apps/snmpv3.h"
+#include "snmpv3_priv.h"
+
+#include "lwip/sys.h"
+
+#include <string.h>
+
+const struct snmp_obj_id usmNoAuthProtocol      = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 1, 1 } };
+const struct snmp_obj_id usmHMACMD5AuthProtocol = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 1, 2 } };
+const struct snmp_obj_id usmHMACSHAAuthProtocol = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 1, 3 } };
+// .4 sha-224
+// .5 sha-256
+// .6 sha-384
+// .7 sha-512
+
+const struct snmp_obj_id usmNoPrivProtocol  = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 2, 1 } };
+const struct snmp_obj_id usmDESPrivProtocol = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 2, 2 } };
+// .3 3des-ede
+const struct snmp_obj_id usmAESPrivProtocol = { 10, { 1, 3, 6, 1, 6, 3, 10, 1, 2, 4 } };
+// .5 unknown
+// .6 unknown
+// .7 unknown
+
+// TODO: where should this value come from?
+#define SNMP_FRAMEWORKMIB_SNMPENGINEMAXMESSAGESIZE 1500
+
+/* --- snmpFrameworkMIBObjects 1.3.6.1.6.3.10.2 ----------------------------------------------------- */
+static s16_t snmpengine_scalars_get_value(const struct snmp_scalar_array_node_def *node, void *value)
+{
+  const char *engineid;
+  u8_t engineid_len;
+
+  switch (node->oid) {
+  case 1: /* snmpEngineID */
+    snmpv3_get_engine_id(&engineid, &engineid_len);
+    MEMCPY(value, engineid, engineid_len);
+    return engineid_len;
+  case 2: /* snmpEngineBoots */
+    *(s32_t *)value = snmpv3_get_engine_boots_internal();
+    return sizeof(s32_t);
+  case 3: /* snmpEngineTime */
+    *(s32_t *)value = snmpv3_get_engine_time_internal();
+    return sizeof(s32_t);
+  case 4: /* snmpEngineMaxMessageSize */
+    *(s32_t *)value = SNMP_FRAMEWORKMIB_SNMPENGINEMAXMESSAGESIZE;
+    return sizeof(s32_t);
+  default:
+    LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmpengine_scalars_get_value(): unknown id: %"S32_F"\n", node->oid));
+    return 0;
+  }
+}
+
+static const struct snmp_scalar_array_node_def snmpengine_scalars_nodes[] = {
+  {1, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpEngineID */
+  {2, SNMP_ASN1_TYPE_INTEGER,      SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpEngineBoots */
+  {3, SNMP_ASN1_TYPE_INTEGER,      SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpEngineTime */
+  {4, SNMP_ASN1_TYPE_INTEGER,      SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpEngineMaxMessageSize */
+};
+static const struct snmp_scalar_array_node snmpengine_scalars = SNMP_SCALAR_CREATE_ARRAY_NODE(1, snmpengine_scalars_nodes, snmpengine_scalars_get_value, NULL, NULL);
+
+static const struct snmp_node *const snmpframeworkmibobjects_subnodes[] = {
+  &snmpengine_scalars.node.node
+};
+static const struct snmp_tree_node snmpframeworkmibobjects_treenode = SNMP_CREATE_TREE_NODE(2, snmpframeworkmibobjects_subnodes);
+
+/* --- snmpFrameworkMIB  ----------------------------------------------------- */
+static const struct snmp_node *const snmpframeworkmib_subnodes[] = {
+  &snmpframeworkmibobjects_treenode.node
+};
+static const struct snmp_tree_node snmpframeworkmib_root = SNMP_CREATE_TREE_NODE(10, snmpframeworkmib_subnodes);
+static const u32_t snmpframeworkmib_base_oid[] = {1,3,6,1,6,3,10};
+const struct snmp_mib snmpframeworkmib = {snmpframeworkmib_base_oid, LWIP_ARRAYSIZE(snmpframeworkmib_base_oid), &snmpframeworkmib_root.node};
+
+/* --- snmpFrameworkMIB  ----------------------------------------------------- */
+#endif /* LWIP_SNMP */
diff --git a/src/include/lwip/apps/snmp_snmpv2_framework.h b/src/include/lwip/apps/snmp_snmpv2_framework.h
new file mode 100644
index 00000000..2c480f4e
--- /dev/null
+++ b/src/include/lwip/apps/snmp_snmpv2_framework.h
@@ -0,0 +1,32 @@
+/*
+Generated by LwipMibCompiler
+*/
+
+#ifndef SNMP_FRAMEWORK_MIB_H
+#define SNMP_FRAMEWORK_MIB_H SNMP_FRAMEWORK_MIB_H
+
+#include "lwip/apps/snmp_opts.h"
+#if LWIP_SNMP
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include "lwip/apps/snmp_core.h"
+
+extern const struct snmp_obj_id usmNoAuthProtocol;
+extern const struct snmp_obj_id usmHMACMD5AuthProtocol;
+extern const struct snmp_obj_id usmHMACSHAAuthProtocol;
+
+extern const struct snmp_obj_id usmNoPrivProtocol;
+extern const struct snmp_obj_id usmDESPrivProtocol;
+extern const struct snmp_obj_id usmAESPrivProtocol;
+
+extern const struct snmp_mib snmpframeworkmib;
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LWIP_SNMP */
+#endif /* SNMP_FRAMEWORK_MIB_H */