check_smtp: implement output format cli parameter

2 files changed, 27 insertions, 1 deletions

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index f2c7f05c..cb92421c 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -115,6 +115,10 @@ int main(int argc, char **argv) {
 
         const check_smtp_config config = tmp_config.config;
 
+        if (config.output_format_is_set) {
+                mp_set_format(config.output_format);
+        }
+
         /* If localhostname not set on command line, use gethostname to set */
         char *localhostname = config.localhostname;
         if (!localhostname) {
@@ -578,7 +582,8 @@ int main(int argc, char **argv) {
 /* process command-line arguments */
 check_smtp_config_wrapper process_arguments(int argc, char **argv) {
         enum {
-                SNI_OPTION = CHAR_MAX + 1
+                SNI_OPTION = CHAR_MAX + 1,
+                output_format_index,
         };
 
         int option = 0;
@@ -608,6 +613,7 @@ check_smtp_config_wrapper process_arguments(int argc, char **argv) {
                                                                            {"certificate", required_argument, 0, 'D'},
                                                                            {"ignore-quit-failure", no_argument, 0, 'q'},
                                                                            {"proxy", no_argument, 0, 'r'},
+                                                                           {"output-format", required_argument, 0, output_format_index},
                                                                            {0, 0, 0, 0}};
 
         check_smtp_config_wrapper result = {
@@ -809,6 +815,18 @@ check_smtp_config_wrapper process_arguments(int argc, char **argv) {
                         exit(STATE_UNKNOWN);
                 case '?': /* help */
                         usage5();
+                case output_format_index: {
+                        parsed_output_format parser = mp_parse_output_format(optarg);
+                        if (!parser.parsing_success) {
+                                // TODO List all available formats here, maybe add anothoer usage function
+                                printf("Invalid output format: %s\n", optarg);
+                                exit(STATE_UNKNOWN);
+                        }
+
+                        result.config.output_format_is_set = true;
+                        result.config.output_format = parser.output_format;
+                        break;
+                }
                 }
         }
 
@@ -1015,6 +1033,8 @@ void print_help(void) {
 
         printf(UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
 
+        printf(UT_OUTPUT_FORMAT);
+
         printf(UT_VERBOSE);
 
         printf("\n");
diff --git a/plugins/check_smtp.d/config.h b/plugins/check_smtp.d/config.h
index bc433093..11d7fe56 100644
--- a/plugins/check_smtp.d/config.h
+++ b/plugins/check_smtp.d/config.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "../../config.h"
+#include "output.h"
 #include "thresholds.h"
 #include <stddef.h>
 #include <string.h>
@@ -46,6 +47,9 @@ typedef struct {
         bool use_starttls;
         bool use_sni;
 #endif
+
+        bool output_format_is_set;
+        mp_output_format output_format;
 } check_smtp_config;
 
 check_smtp_config check_smtp_config_init() {
@@ -83,6 +87,8 @@ check_smtp_config check_smtp_config_init() {
                 .use_starttls = false,
                 .use_sni = false,
 #endif
+
+                .output_format_is_set = false,
         };
         return tmp;
 }