Removed unmaintained C JSON dumper.

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

CMakeLists.txt

@@ -380,10 +380,6 @@ if(BUILD_EXAMPLES)
                                             "${pkgcfg_lib_PCRE_pcre2-8}" "${pkgcfg_lib_MAXMINDDB_maxminddb}"
                                             "${GCRYPT_LIBRARY}" "${GCRYPT_ERROR_LIBRARY}" "${PCAP_LIBRARY}")
 
-    add_executable(nDPIsrvd-json-dump examples/c-json-stdout/c-json-stdout.c)
-    target_compile_definitions(nDPIsrvd-json-dump PRIVATE ${NDPID_DEFS})
-    target_include_directories(nDPIsrvd-json-dump PRIVATE ${NDPID_DEPS_INC})
-
     add_executable(nDPIsrvd-analysed examples/c-analysed/c-analysed.c utils.c)
     target_compile_definitions(nDPIsrvd-analysed PRIVATE ${NDPID_DEFS})
     target_include_directories(nDPIsrvd-analysed PRIVATE ${NDPID_DEPS_INC})
@@ -393,7 +389,7 @@ if(BUILD_EXAMPLES)
     target_include_directories(nDPIsrvd-simple PRIVATE ${NDPID_DEPS_INC})
 
     if(ENABLE_COVERAGE)
-        add_dependencies(coverage nDPIsrvd-analysed nDPIsrvd-collectd nDPIsrvd-captured nDPIsrvd-json-dump nDPIsrvd-simple)
+        add_dependencies(coverage nDPIsrvd-analysed nDPIsrvd-collectd nDPIsrvd-captured nDPIsrvd-simple)
     endif()
 
     if(ENABLE_DBUS)
@@ -420,7 +416,7 @@ if(BUILD_EXAMPLES)
         install(TARGETS nDPIsrvd-influxd DESTINATION bin)
     endif()
 
-    install(TARGETS nDPIsrvd-analysed nDPIsrvd-collectd nDPIsrvd-captured nDPIsrvd-json-dump nDPIsrvd-simple DESTINATION bin)
+    install(TARGETS nDPIsrvd-analysed nDPIsrvd-collectd nDPIsrvd-captured nDPIsrvd-simple DESTINATION bin)
     install(FILES examples/c-collectd/plugin_nDPIsrvd.conf examples/c-collectd/rrdgraph.sh DESTINATION share/nDPId/nDPIsrvd-collectd)
     install(DIRECTORY examples/c-collectd/www DESTINATION share/nDPId/nDPIsrvd-collectd)
 endif()

examples/README.md

@@ -31,10 +31,6 @@ The results are sent to a specified InfluxDB endpoint.
 
 A notification daemon that sends information about suspicious flow events to DBUS.
 
-## c-json-stdout
-
-Tiny nDPId json dumper. Does not provide any useful funcationality besides dumping parsed JSON objects.
-
 ## c-simple
 
 Integration example that verifies flow timeouts on SIGUSR1.

examples/c-json-stdout/c-json-stdout.c

@@ -1,135 +0,0 @@
-#include <arpa/inet.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "jsmn.h"
-
-static char serv_listen_addr[INET_ADDRSTRLEN] = DISTRIBUTOR_HOST;
-static uint16_t serv_listen_port = DISTRIBUTOR_PORT;
-
-int main(void)
-{
-    int sockfd = socket(AF_INET, SOCK_STREAM, 0);
-    struct sockaddr_in remote_addr = {};
-    socklen_t remote_addrlen = sizeof(remote_addr);
-    uint8_t buf[NETWORK_BUFFER_MAX_SIZE];
-    size_t buf_used = 0;
-    size_t json_start = 0;
-    unsigned long long int json_bytes = 0;
-    jsmn_parser parser;
-    jsmntok_t tokens[128];
-
-    if (sockfd < 0)
-    {
-        perror("socket");
-        return 1;
-    }
-
-    remote_addr.sin_family = AF_INET;
-    if (inet_pton(AF_INET, &serv_listen_addr[0], &remote_addr.sin_addr) != 1)
-    {
-        perror("inet_pton");
-        return 1;
-    }
-    remote_addr.sin_port = htons(serv_listen_port);
-
-    if (connect(sockfd, (struct sockaddr *)&remote_addr, remote_addrlen) != 0)
-    {
-        perror("connect");
-        return 1;
-    }
-
-    while (1)
-    {
-        errno = 0;
-        ssize_t bytes_read = read(sockfd, buf + buf_used, sizeof(buf) - buf_used);
-
-        if (bytes_read <= 0 || errno != 0)
-        {
-            fprintf(stderr, "Remote end disconnected.\n");
-            break;
-        }
-
-        buf_used += bytes_read;
-        while (buf_used >= NETWORK_BUFFER_LENGTH_DIGITS + 1)
-        {
-            if (buf[NETWORK_BUFFER_LENGTH_DIGITS] != '{')
-            {
-                fprintf(stderr, "BUG: JSON invalid opening character: '%c'\n", buf[NETWORK_BUFFER_LENGTH_DIGITS]);
-                exit(1);
-            }
-
-            char * json_msg_start = NULL;
-            json_bytes = strtoull((char *)buf, &json_msg_start, 10);
-            json_bytes += (uint8_t *)json_msg_start - buf;
-            json_start = (uint8_t *)json_msg_start - buf;
-
-            if (errno == ERANGE)
-            {
-                fprintf(stderr, "BUG: Size of JSON exceeds limit\n");
-                exit(1);
-            }
-            if ((uint8_t *)json_msg_start == buf)
-            {
-                fprintf(stderr, "BUG: Missing size before JSON message: \"%.*s\"\n", NETWORK_BUFFER_LENGTH_DIGITS, buf);
-                exit(1);
-            }
-            if (json_bytes > sizeof(buf))
-            {
-                fprintf(stderr, "BUG: JSON message too big: %llu > %zu\n", json_bytes, sizeof(buf));
-                exit(1);
-            }
-            if (json_bytes > buf_used)
-            {
-                break;
-            }
-
-            if (buf[json_bytes - 2] != '}' || buf[json_bytes - 1] != '\n')
-            {
-                fprintf(stderr, "BUG: Invalid JSON message: \"%.*s\"\n", (int)json_bytes, buf);
-                exit(1);
-            }
-
-            int r;
-            jsmn_init(&parser);
-            r = jsmn_parse(&parser,
-                           (char *)(buf + json_start),
-                           json_bytes - json_start,
-                           tokens,
-                           sizeof(tokens) / sizeof(tokens[0]));
-            if (r < 1 || tokens[0].type != JSMN_OBJECT)
-            {
-                fprintf(stderr, "JSON parsing failed with return value %d at position %u\n", r, parser.pos);
-                fprintf(stderr, "JSON message: '%.*s'\n", (int)(json_bytes - json_start), (char *)(buf + json_start));
-                exit(1);
-            }
-
-            for (int i = 1; i < r; i++)
-            {
-                if (i % 2 == 1)
-                {
-#ifdef JSMN_PARENT_LINKS
-                    printf("[%d][%d]", i, tokens[i].parent);
-#endif
-                    printf("[%.*s : ", tokens[i].end - tokens[i].start, (char *)(buf + json_start) + tokens[i].start);
-                }
-                else
-                {
-                    printf("%.*s] ", tokens[i].end - tokens[i].start, (char *)(buf + json_start) + tokens[i].start);
-                }
-            }
-            printf("EoF\n");
-
-            memmove(buf, buf + json_bytes, buf_used - json_bytes);
-            buf_used -= json_bytes;
-        }
-    }
-
-    return 0;
-}