From 7fe6ac8d08a2baf63db57fd33185224df7e18e27 Mon Sep 17 00:00:00 2001
From: Lorenz Kästle <12514511+RincewindsHat@users.noreply.github.com>
Date: Mon, 25 Aug 2025 15:28:04 +0200
Subject: rebuild check_snmp

---
 plugins/check_snmp.d/config.h | 107 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 plugins/check_snmp.d/config.h

(limited to 'plugins/check_snmp.d')

diff --git a/plugins/check_snmp.d/config.h b/plugins/check_snmp.d/config.h
new file mode 100644
index 00000000..e2e1d6c2
--- /dev/null
+++ b/plugins/check_snmp.d/config.h
@@ -0,0 +1,107 @@
+#pragma once
+
+#include "states.h"
+#include "thresholds.h"
+#include "utils_base.h"
+#include <stdlib.h>
+#include <stdbool.h>
+#include <regex.h>
+
+// defines for snmp libs
+#define u_char  unsigned char
+#define u_long  unsigned long
+#define u_short unsigned short
+#define u_int   unsigned int
+
+#include <net-snmp/net-snmp-config.h>
+#include <net-snmp/net-snmp-includes.h>
+#include <net-snmp/library/snmp.h>
+#include <net-snmp/session_api.h>
+
+const int DEFAULT_PROTOCOL = SNMP_VERSION_1;
+const char DEFAULT_PORT[] = "161";
+const char DEFAULT_OUTPUT_DELIMITER[] = " ";
+const int DEFAULT_RETRIES = 5;
+
+const int RANDOM_STATE_DATA_LENGTH_PREDICTION = 1024;
+
+typedef struct eval_method {
+	bool crit_string;
+	bool crit_regex;
+} eval_method;
+
+typedef struct check_snmp_test_unit {
+	char *oid;
+	char *label;
+	char *unit_value;
+	eval_method eval_mthd;
+} check_snmp_test_unit;
+
+check_snmp_test_unit check_snmp_test_unit_init() {
+	check_snmp_test_unit tmp = {};
+	return tmp;
+}
+
+typedef struct check_snmp_config {
+	// SNMP session to use
+	struct snmp_session snmp_session;
+
+	// use getnet instead of get
+	bool use_getnext;
+
+	// TODO actually make these useful
+	bool ignore_mib_parsing_errors;
+	bool need_mibs;
+
+	check_snmp_test_unit *test_units;
+	size_t num_of_test_units;
+	mp_thresholds thresholds;
+
+	// State if an empty value is encountered
+	mp_state_enum nulloid_result;
+
+	// String evaluation stuff
+	bool invert_search;
+	regex_t regex_cmp_value; // regex to match query results against
+	char string_cmp_value[MAX_INPUT_BUFFER];
+
+	// Modify data
+	double multiplier;
+	double offset;
+
+	// Modify output
+	bool use_perf_data_labels_from_input;
+} check_snmp_config;
+
+check_snmp_config check_snmp_config_init() {
+	check_snmp_config tmp = {
+		.use_getnext = false,
+
+		.ignore_mib_parsing_errors = false,
+		.need_mibs = false,
+
+		.test_units = NULL,
+		.num_of_test_units = 0,
+		.thresholds = mp_thresholds_init(),
+
+		.nulloid_result = STATE_UNKNOWN, // state to return if no result for query
+
+		.invert_search = true,
+		.regex_cmp_value = {},
+		.string_cmp_value = "",
+
+		.multiplier = 1.0,
+		.offset = 0,
+
+		.use_perf_data_labels_from_input = false,
+	};
+
+	snmp_sess_init(&tmp.snmp_session);
+
+	tmp.snmp_session.retries = DEFAULT_RETRIES;
+	tmp.snmp_session.version = DEFAULT_SNMP_VERSION;
+	tmp.snmp_session.securityLevel = SNMP_SEC_LEVEL_NOAUTH;
+	tmp.snmp_session.community = (unsigned char *)"public";
+	tmp.snmp_session.community_len = strlen("public");
+	return tmp;
+}
-- 
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