root/usr.sbin/unbound/testcode/testbound.c
/*
 * testcode/testbound.c - test program for unbound.
 *
 * Copyright (c) 2007, NLnet Labs. All rights reserved.
 *
 * This software is open source.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the NLNET LABS nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
/**
 * \file
 * Exits with code 1 on a failure. 0 if all unit tests are successful.
 */

#include "config.h"
#ifdef HAVE_TIME_H
#  include <time.h>
#endif
#include <ctype.h>
#include "testcode/testpkts.h"
#include "testcode/replay.h"
#include "testcode/fake_event.h"
#include "daemon/remote.h"
#include "libunbound/worker.h"
#include "daemon/worker.h"
#include "util/config_file.h"
#include "sldns/keyraw.h"
#ifdef UB_ON_WINDOWS
#include "winrc/win_svc.h"
#endif

/** signal that this is a testbound compile */
#define unbound_testbound 1
/** renamed main routine */
int daemon_main(int argc, char* argv[]);
/** 
 * include the main program from the unbound daemon.
 * rename main to daemon_main to call it
 */
#define main daemon_main
#include "daemon/unbound.c"
#undef main

/** maximum line length for lines in the replay file. */
#define MAX_LINE_LEN 1024
/** config files (removed at exit) */
static struct config_strlist* cfgfiles = NULL;

/** give commandline usage for testbound. */
static void
testbound_usage(void)
{
        printf("usage: testbound [options]\n");
        printf("\ttest the unbound daemon.\n");
        printf("-h      this help\n");
        printf("-p file playback text file\n");
        printf("-1      detect SHA1 support (exit code 0 or 1)\n");
        printf("-2      detect SHA256 support (exit code 0 or 1)\n");
        printf("-g      detect GOST support (exit code 0 or 1)\n");
        printf("-e      detect ECDSA support (exit code 0 or 1)\n");
        printf("-c      detect CLIENT_SUBNET support (exit code 0 or 1)\n");
        printf("-i      detect IPSECMOD support (exit code 0 or 1)\n");
        printf("-s      testbound self-test - unit test of testbound parts.\n");
        printf("-o str  unbound commandline options separated by spaces.\n");
        printf("Version %s\n", PACKAGE_VERSION);
        printf("BSD licensed, see LICENSE file in source package.\n");
        printf("Report bugs to %s.\n", PACKAGE_BUGREPORT);
}

/** Max number of arguments to pass to unbound. */
#define MAXARG 100

/** 
 * Add options from string to passed argc. splits on whitespace.
 * @param args: the option argument, "-v -p 12345" or so.
 * @param pass_argc: ptr to the argc for unbound. Modified.
 * @param pass_argv: the argv to pass to unbound. Modified.
 */
static void
add_opts(const char* args, int* pass_argc, char* pass_argv[])
{
        const char *p = args, *np;
        size_t len;
        while(p && isspace((unsigned char)*p)) 
                p++;
        while(p && *p) {
                /* find location of next string and length of this one */
                if((np = strchr(p, ' ')))
                        len = (size_t)(np-p);
                else    len = strlen(p);
                /* allocate and copy option */
                if(*pass_argc >= MAXARG-1)
                        fatal_exit("too many arguments: '%s'", p);
                pass_argv[*pass_argc] = (char*)malloc(len+1);
                if(!pass_argv[*pass_argc])
                        fatal_exit("add_opts: out of memory");
                memcpy(pass_argv[*pass_argc], p, len);
                pass_argv[*pass_argc][len] = 0;
                (*pass_argc)++;
                /* go to next option */
                p = np;
                while(p && isspace((unsigned char)*p)) 
                        p++;
        }
}

/** pretty print commandline for unbound in this test */
static void
echo_cmdline(int argc, char* argv[])
{
        int i;
        fprintf(stderr, "testbound is starting:");
        for(i=0; i<argc; i++) {
                fprintf(stderr, " [%s]", argv[i]);
        }
        fprintf(stderr, "\n");
}

/** spool temp file name */
static void
spool_temp_file_name(int* lineno, FILE* cfg, char* id)
{
        char line[MAX_LINE_LEN];
        /* find filename for new file */
        while(isspace((unsigned char)*id))
                id++;
        if(*id == '\0') 
                fatal_exit("TEMPFILE_NAME must have id, line %d", *lineno);
        strip_end_white(id);
        fake_temp_file("_temp_", id, line, sizeof(line));
        fprintf(cfg, "\"%s\"\n", line);
}

/** spool temp file */
static void
spool_temp_file(FILE* in, int* lineno, char* id)
{
        char line[MAX_LINE_LEN];
        char* parse;
        FILE* spool;
        /* find filename for new file */
        while(isspace((unsigned char)*id))
                id++;
        if(*id == '\0') 
                fatal_exit("TEMPFILE_CONTENTS must have id, line %d", *lineno);
        strip_end_white(id);
        fake_temp_file("_temp_", id, line, sizeof(line));
        /* open file and spool to it */
        spool = fopen(line, "w");
        if(!spool) fatal_exit("could not open %s: %s", line, strerror(errno));
        fprintf(stderr, "testbound is spooling temp file: %s\n", line);
        if(!cfg_strlist_insert(&cfgfiles, strdup(line))) 
                fatal_exit("out of memory");
        line[sizeof(line)-1] = 0;
        while(fgets(line, MAX_LINE_LEN-1, in)) {
                parse = line;
                (*lineno)++;
                while(isspace((unsigned char)*parse))
                        parse++;
                if(strncmp(parse, "$INCLUDE_TEMPFILE", 17) == 0) {
                        char l2[MAX_LINE_LEN-30]; /* -30 makes it fit with
                                a preceding $INCLUDE in the buf line[] */
                        char* tid = parse+17;
                        while(isspace((unsigned char)*tid))
                                tid++;
                        strip_end_white(tid);
                        fake_temp_file("_temp_", tid, l2, sizeof(l2));
                        snprintf(line, sizeof(line), "$INCLUDE %s\n", l2);
                }
                if(strncmp(parse, "TEMPFILE_END", 12) == 0) {
                        fclose(spool);
                        return;
                }
                fputs(line, spool);
        }
        fatal_exit("no TEMPFILE_END in input file");
}

/** spool autotrust file */
static void
spool_auto_file(FILE* in, int* lineno, FILE* cfg, char* id)
{
        char line[MAX_LINE_LEN];
        char* parse;
        FILE* spool;
        /* find filename for new file */
        while(isspace((unsigned char)*id))
                id++;
        if(*id == '\0') 
                fatal_exit("AUTROTRUST_FILE must have id, line %d", *lineno);
        strip_end_white(id);
        fake_temp_file("_auto_", id, line, sizeof(line));
        /* add option for the file */
        fprintf(cfg, "server:   auto-trust-anchor-file: \"%s\"\n", line);
        /* open file and spool to it */
        spool = fopen(line, "w");
        if(!spool) fatal_exit("could not open %s: %s", line, strerror(errno));
        fprintf(stderr, "testbound is spooling key file: %s\n", line);
        if(!cfg_strlist_insert(&cfgfiles, strdup(line))) 
                fatal_exit("out of memory");
        line[sizeof(line)-1] = 0;
        while(fgets(line, MAX_LINE_LEN-1, in)) {
                parse = line;
                (*lineno)++;
                while(isspace((unsigned char)*parse))
                        parse++;
                if(strncmp(parse, "AUTOTRUST_END", 13) == 0) {
                        fclose(spool);
                        return;
                }
                fputs(line, spool);
        }
        fatal_exit("no AUTOTRUST_END in input file");
}

/** process config elements */
static void
setup_config(FILE* in, int* lineno, int* pass_argc, char* pass_argv[])
{
        char configfile[MAX_LINE_LEN];
        char line[MAX_LINE_LEN];
        char* parse;
        FILE* cfg;
        fake_temp_file("_cfg", "", configfile, sizeof(configfile));
        add_opts("-c", pass_argc, pass_argv);
        add_opts(configfile, pass_argc, pass_argv);
        cfg = fopen(configfile, "w");
        if(!cfg) fatal_exit("could not open %s: %s", 
                        configfile, strerror(errno));
        if(!cfg_strlist_insert(&cfgfiles, strdup(configfile))) 
                fatal_exit("out of memory");
        line[sizeof(line)-1] = 0;
        /* some basic settings to not pollute the host system */
        fprintf(cfg, "server:   use-syslog: no\n");
        fprintf(cfg, "          directory: \"\"\n");
        fprintf(cfg, "          chroot: \"\"\n");
        fprintf(cfg, "          username: \"\"\n");
        fprintf(cfg, "          pidfile: \"\"\n");
        fprintf(cfg, "          val-log-level: 2\n");
        fprintf(cfg, "          log-servfail: yes\n");
        fprintf(cfg, "remote-control:   control-enable: no\n");
        while(fgets(line, MAX_LINE_LEN-1, in)) {
                parse = line;
                (*lineno)++;
                while(isspace((unsigned char)*parse))
                        parse++;
                if(!*parse || parse[0] == ';')
                        continue;
                if(strncmp(parse, "COMMANDLINE", 11) == 0) {
                        parse[strlen(parse)-1] = 0; /* strip off \n */
                        add_opts(parse+11, pass_argc, pass_argv);
                        continue;
                }
                if(strncmp(parse, "AUTOTRUST_FILE", 14) == 0) {
                        spool_auto_file(in, lineno, cfg, parse+14);
                        continue;
                }
                if(strncmp(parse, "TEMPFILE_NAME", 13) == 0) {
                        spool_temp_file_name(lineno, cfg, parse+13);
                        continue;
                }
                if(strncmp(parse, "TEMPFILE_CONTENTS", 17) == 0) {
                        spool_temp_file(in, lineno, parse+17);
                        continue;
                }
                if(strncmp(parse, "CONFIG_END", 10) == 0) {
                        fclose(cfg);
                        return;
                }
                if(strncmp(parse, "fake-sha1: yes", 14) == 0) {
                        /* Allow the use of SHA1 signatures for the test,
                         * in case that OpenSSL disallows use of RSASHA1
                         * with rh-allow-sha1-signatures disabled. */
#ifndef UB_ON_WINDOWS
                        setenv("OPENSSL_ENABLE_SHA1_SIGNATURES", "1", 0);
#else
                        _putenv("OPENSSL_ENABLE_SHA1_SIGNATURES=1");
#endif
                }
                fputs(line, cfg);
        }
        fatal_exit("No CONFIG_END in input file");

}

/** read playback file */
static struct replay_scenario* 
setup_playback(const char* filename, int* pass_argc, char* pass_argv[])
{
        struct replay_scenario* scen = NULL;
        int lineno = 0;

        if(filename) {
                FILE *in = fopen(filename, "rb");
                if(!in) {
                        perror(filename);
                        exit(1);
                }
                setup_config(in, &lineno, pass_argc, pass_argv);
                scen = replay_scenario_read(in, filename, &lineno);
                fclose(in);
                if(!scen)
                        fatal_exit("Could not read: %s", filename);
        }
        else fatal_exit("need a playback file (-p)");
        log_info("Scenario: %s", scen->title);
        return scen;
}

/** remove config file at exit */
static void remove_configfile(void)
{
        struct config_strlist* p;
        for(p=cfgfiles; p; p=p->next)
                unlink(p->str);
        config_delstrlist(cfgfiles);
        cfgfiles = NULL;
}

/** perform the playback on the playback_file with the args. */
static int
perform_playback(char* playback_file, int pass_argc, char** pass_argv)
{
        struct replay_scenario* scen = NULL;
        int c, res;

        /* setup test environment */
        scen = setup_playback(playback_file, &pass_argc, pass_argv);
        /* init fake event backend */
        fake_event_init(scen);

        pass_argv[pass_argc] = NULL;
        echo_cmdline(pass_argc, pass_argv);

        /* run the normal daemon */
        res = daemon_main(pass_argc, pass_argv);

        fake_event_cleanup();
        for(c=1; c<pass_argc; c++)
                free(pass_argv[c]);
        return res;
}

/* For fuzzing the main routine is replaced with
 * LLVMFuzzerTestOneInput. */
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
#define main dummy_main
#endif
/**
 * Main fake event test program. Setup, teardown and report errors.
 * @param argc: arg count.
 * @param argv: array of commandline arguments.
 * @return program failure if test fails.
 */
int 
main(int argc, char* argv[])
{
        int c, res;
        int pass_argc = 0;
        char* pass_argv[MAXARG];
        char* playback_file = NULL;
        int init_optind = optind;
        char* init_optarg = optarg;

        /* we do not want the test to depend on the timezone */
        (void)putenv("TZ=UTC");
        memset(pass_argv, 0, sizeof(pass_argv));
#ifdef HAVE_SYSTEMD
        /* we do not want the test to use systemd daemon startup notification*/
        (void)unsetenv("NOTIFY_SOCKET");
#endif /* HAVE_SYSTEMD */

        checklock_start();
        log_init(NULL, 0, NULL);
        /* determine commandline options for the daemon */
        pass_argc = 1;
        pass_argv[0] = "unbound";
        add_opts("-d", &pass_argc, pass_argv);
        while( (c=getopt(argc, argv, "12egciho:p:s")) != -1) {
                switch(c) {
                case 's':
                        free(pass_argv[1]);
                        testbound_selftest();
                        checklock_stop();
                        if(log_get_lock()) {
                                lock_basic_destroy((lock_basic_type*)log_get_lock());
                        }
                        exit(0);
                case '1':
#ifdef USE_SHA1
                        printf("SHA1 supported\n");
                        exit(0);
#else
                        printf("SHA1 not supported\n");
                        exit(1);
#endif
                        break;
                case '2':
#if (defined(HAVE_EVP_SHA256) || defined(HAVE_NSS) || defined(HAVE_NETTLE)) && defined(USE_SHA2)
                        printf("SHA256 supported\n");
                        exit(0);
#else
                        printf("SHA256 not supported\n");
                        exit(1);
#endif
                        break;
                case 'e':
#if defined(USE_ECDSA)
                        printf("ECDSA supported\n");
                        exit(0);
#else
                        printf("ECDSA not supported\n");
                        exit(1);
#endif
                        break;
                case 'g':
#ifdef USE_GOST
                        if(sldns_key_EVP_load_gost_id()) {
                                printf("GOST supported\n");
                                exit(0);
                        } else {
                                printf("GOST not supported\n");
                                exit(1);
                        }
#else
                        printf("GOST not supported\n");
                        exit(1);
#endif
                        break;
                case 'c':
#ifdef CLIENT_SUBNET
                        printf("CLIENT_SUBNET supported\n");
                        exit(0);
#else
                        printf("CLIENT_SUBNET not supported\n");
                        exit(1);
#endif
                        break;
                case 'i':
#ifdef USE_IPSECMOD
                        printf("IPSECMOD supported\n");
                        exit(0);
#else
                        printf("IPSECMOD not supported\n");
                        exit(1);
#endif
                        break;
                case 'p':
                        playback_file = optarg;
                        break;
                case 'o':
                        add_opts(optarg, &pass_argc, pass_argv);
                        break;
                case '?':
                case 'h':
                default:
                        testbound_usage();
                        exit(1);
                }
        }
        argc -= optind;
        /* argv += optind; not using further arguments */
        if(argc != 0) {
                testbound_usage();
                exit(1);
        }
        log_info("Start of %s testbound program.", PACKAGE_STRING);
        if(atexit(&remove_configfile) != 0)
                fatal_exit("atexit() failed: %s", strerror(errno));

        /* reset getopt processing */
        optind = init_optind;
        optarg = init_optarg;

        res = perform_playback(playback_file, pass_argc, pass_argv);
        if(res == 0) {
                log_info("Testbound Exit Success\n");
                /* remove configfile from here, the atexit() is for when
                 * there is a crash to remove the tmpdir file.
                 * This one removes the file while alloc and log locks are
                 * still valid, and can be logged (for memory calculation),
                 * it leaves the ptr NULL so the atexit does nothing. */
                remove_configfile();
                if(log_get_lock()) {
                        lock_basic_destroy((lock_basic_type*)log_get_lock());
                }
#ifdef HAVE_PTHREAD
                /* dlopen frees its thread state (dlopen of gost engine) */
                pthread_exit(NULL);
#endif
        }
        return res;
}

#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
static int delete_file(const char *pathname) {
  int ret = unlink(pathname);
  free((void *)pathname);
  return ret;
}

static char *buf_to_file(const uint8_t *buf, size_t size) {
  int fd;
  size_t pos;
  char *pathname = strdup("/tmp/fuzz-XXXXXX");
  if (pathname == NULL)
    return NULL;

  fd = mkstemp(pathname);
  if (fd == -1) {
    log_err("mkstemp of file %s failed: %s", pathname, strerror(errno));
    free(pathname);
    return NULL;
  }
  pos = 0;
  while (pos < size) {
    int nbytes = write(fd, &buf[pos], size - pos);
    if (nbytes <= 0) {
      if (nbytes == -1 && errno == EINTR)
             continue;
      log_err("write to file %s failed: %s", pathname, strerror(errno));
      goto err;
    }
    pos += nbytes;
  }

  if (close(fd) == -1) {
    log_err("close of file %s failed: %s", pathname, strerror(errno));
    goto err;
  }

  return pathname;
err:
  delete_file(pathname);
  return NULL;
}

/* based on main() above, but with: hard-coded passed args, file created from fuzz input */
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
       int c, res;
       int pass_argc = 0;
       char* pass_argv[MAXARG];
       char* playback_file = NULL;

       /* we do not want the test to depend on the timezone */
       (void)putenv("TZ=UTC");
       memset(pass_argv, 0, sizeof(pass_argv));
#ifdef HAVE_SYSTEMD
       /* we do not want the test to use systemd daemon startup notification*/
       (void)unsetenv("NOTIFY_SOCKET");
#endif /* HAVE_SYSTEMD */

       checklock_start();
       log_init(NULL, 0, NULL);
       /* determine commandline options for the daemon */
       pass_argc = 1;
       pass_argv[0] = "unbound";
       add_opts("-d", &pass_argc, pass_argv);

       playback_file = buf_to_file(Data, Size);
       if (playback_file) {
               log_info("Start of %s testbound program.", PACKAGE_STRING);

               res = perform_playback(playback_file, pass_argc, pass_argv);
               if(res == 0) {
                       log_info("Testbound Exit Success\n");
                       /* remove configfile from here, the atexit() is for when
                        * there is a crash to remove the tmpdir file.
                        * This one removes the file while alloc and log locks are
                        * still valid, and can be logged (for memory calculation),
                        * it leaves the ptr NULL so the atexit does nothing. */
                       remove_configfile();
#ifdef HAVE_PTHREAD
                       /* dlopen frees its thread state (dlopen of gost engine) */
                       pthread_exit(NULL);
#endif
               }

               delete_file(playback_file);
       }

       if(log_get_lock()) {
               lock_basic_destroy((lock_basic_type*)log_get_lock());
       }
       return res;
}
#endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */

/* fake remote control */
struct listen_port* daemon_remote_open_ports(struct config_file* 
        ATTR_UNUSED(cfg))
{
        return NULL;
}

struct daemon_remote* daemon_remote_create(struct config_file* ATTR_UNUSED(cfg))
{
        return (struct daemon_remote*)calloc(1, sizeof(struct daemon_remote));
}

void daemon_remote_delete(struct daemon_remote* rc)
{
        free(rc);
}

void daemon_remote_clear(struct daemon_remote* ATTR_UNUSED(rc))
{
        /* nothing */
}

int daemon_remote_open_accept(struct daemon_remote* ATTR_UNUSED(rc),
        struct listen_port* ATTR_UNUSED(ports), struct worker* worker)
{
        struct replay_runtime* runtime = (struct replay_runtime*)worker->base;
        runtime->daemon = worker->daemon;
        return 1;
}

int remote_accept_callback(struct comm_point* ATTR_UNUSED(c), 
        void* ATTR_UNUSED(arg), int ATTR_UNUSED(error),
        struct comm_reply* ATTR_UNUSED(repinfo))
{
        log_assert(0);
        return 0;
}

int remote_control_callback(struct comm_point* ATTR_UNUSED(c), 
        void* ATTR_UNUSED(arg), int ATTR_UNUSED(error),
        struct comm_reply* ATTR_UNUSED(repinfo))
{
        log_assert(0);
        return 0;
}

void remote_get_opt_ssl(char* ATTR_UNUSED(str), void* ATTR_UNUSED(arg))
{
        log_assert(0);
}

#ifdef UB_ON_WINDOWS
void wsvc_command_option(const char* ATTR_UNUSED(wopt), 
        const char* ATTR_UNUSED(cfgfile), int ATTR_UNUSED(v), 
        int ATTR_UNUSED(c))
{
        log_assert(0);
}
#endif

#ifdef UB_ON_WINDOWS
void wsvc_setup_worker(struct worker* ATTR_UNUSED(worker))
{
        /* do nothing */
}
#endif

#ifdef UB_ON_WINDOWS
void wsvc_desetup_worker(struct worker* ATTR_UNUSED(worker))
{
        /* do nothing */
}
#endif

#ifdef UB_ON_WINDOWS
void worker_win_stop_cb(int ATTR_UNUSED(fd), short ATTR_UNUSED(ev),
        void* ATTR_UNUSED(arg))
{
        log_assert(0);
}

void wsvc_cron_cb(void* ATTR_UNUSED(arg))
{
        log_assert(0);
}
#endif /* UB_ON_WINDOWS */

int tcp_connect_errno_needs_log(struct sockaddr* ATTR_UNUSED(addr),
        socklen_t ATTR_UNUSED(addrlen))
{
        return 1;
}

int squelch_err_ssl_handshake(unsigned long ATTR_UNUSED(err))
{
        return 0;
}

void listen_setup_locks(void)
{
        /* nothing */
}

void listen_desetup_locks(void)
{
        /* nothing */
}

void fast_reload_printq_list_delete(
        struct fast_reload_printq* ATTR_UNUSED(list))
{
        /* nothing */
}

void fast_reload_worker_pickup_changes(struct worker* ATTR_UNUSED(worker))
{
        /* nothing */
}

#ifdef HAVE_NGTCP2
void* quic_sslctx_create(char* ATTR_UNUSED(key), char* ATTR_UNUSED(pem),
        char* ATTR_UNUSED(verifypem))
{
    return NULL;
}

void comm_point_doq_callback(int ATTR_UNUSED(fd), short ATTR_UNUSED(event),
        void* ATTR_UNUSED(arg))
{
        /* nothing */
}

int doq_conn_cmp(const void* ATTR_UNUSED(key1), const void* ATTR_UNUSED(key2))
{
        return 0;
}

int doq_conid_cmp(const void* ATTR_UNUSED(key1), const void* ATTR_UNUSED(key2))
{
        return 0;
}

int doq_timer_cmp(const void* ATTR_UNUSED(key1), const void* ATTR_UNUSED(key2))
{
        return 0;
}

int doq_stream_cmp(const void* ATTR_UNUSED(key1), const void* ATTR_UNUSED(key2))
{
        return 0;
}

struct doq_table* doq_table_create(struct config_file* ATTR_UNUSED(cfg),
        struct ub_randstate* ATTR_UNUSED(rnd))
{
        return calloc(1, sizeof(struct doq_table));
}

void doq_table_delete(struct doq_table* table)
{
        free(table);
}

void doq_timer_cb(void* ATTR_UNUSED(arg))
{
        /* nothing */
}

size_t doq_table_quic_size_get(struct doq_table* ATTR_UNUSED(table))
{
        return 0;
}
#endif