renamed examples/ to utils/

1 files changed, 0 insertions, 415 deletions

diff --git a/examples/afl_network_proxy/afl-network-client.c b/examples/afl_network_proxy/afl-network-client.c
deleted file mode 100644
index a2451fdc..00000000
--- a/examples/afl_network_proxy/afl-network-client.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
-   american fuzzy lop++ - afl-network-client
-   ---------------------------------------
-
-   Written by Marc Heuse <mh@mh-sec.de>
-
-   Copyright 2019-2020 AFLplusplus Project. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-*/
-
-#ifdef __ANDROID__
-  #include "android-ashmem.h"
-#endif
-#include "config.h"
-#include "types.h"
-#include "debug.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <unistd.h>
-#include <string.h>
-#include <assert.h>
-#include <stdint.h>
-#include <errno.h>
-
-#include <netinet/in.h>
-#include <netinet/ip6.h>
-#include <arpa/inet.h>
-#include <sys/mman.h>
-#ifndef USEMMAP
-  #include <sys/shm.h>
-#endif
-#include <sys/wait.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <fcntl.h>
-
-#ifdef USE_DEFLATE
-  #include <libdeflate.h>
-#endif
-
-u8 *__afl_area_ptr;
-
-#ifdef __ANDROID__
-u32 __afl_map_size = MAP_SIZE;
-#else
-__thread u32 __afl_map_size = MAP_SIZE;
-#endif
-
-/* Error reporting to forkserver controller */
-
-void send_forkserver_error(int error) {
-
-  u32 status;
-  if (!error || error > 0xffff) return;
-  status = (FS_OPT_ERROR | FS_OPT_SET_ERROR(error));
-  if (write(FORKSRV_FD + 1, (char *)&status, 4) != 4) return;
-
-}
-
-/* SHM setup. */
-
-static void __afl_map_shm(void) {
-
-  char *id_str = getenv(SHM_ENV_VAR);
-  char *ptr;
-
-  if ((ptr = getenv("AFL_MAP_SIZE")) != NULL) {
-
-    u32 val = atoi(ptr);
-    if (val > 0) __afl_map_size = val;
-
-  }
-
-  if (__afl_map_size > MAP_SIZE) {
-
-    if (__afl_map_size > FS_OPT_MAX_MAPSIZE) {
-
-      fprintf(stderr,
-              "Error: AFL++ tools *require* to set AFL_MAP_SIZE to %u to "
-              "be able to run this instrumented program!\n",
-              __afl_map_size);
-      if (id_str) {
-
-        send_forkserver_error(FS_ERROR_MAP_SIZE);
-        exit(-1);
-
-      }
-
-    } else {
-
-      fprintf(stderr,
-              "Warning: AFL++ tools will need to set AFL_MAP_SIZE to %u to "
-              "be able to run this instrumented program!\n",
-              __afl_map_size);
-
-    }
-
-  }
-
-  if (id_str) {
-
-#ifdef USEMMAP
-    const char *   shm_file_path = id_str;
-    int            shm_fd = -1;
-    unsigned char *shm_base = NULL;
-
-    /* create the shared memory segment as if it was a file */
-    shm_fd = shm_open(shm_file_path, O_RDWR, 0600);
-    if (shm_fd == -1) {
-
-      fprintf(stderr, "shm_open() failed\n");
-      send_forkserver_error(FS_ERROR_SHM_OPEN);
-      exit(1);
-
-    }
-
-    /* map the shared memory segment to the address space of the process */
-    shm_base =
-        mmap(0, __afl_map_size, PROT_READ | PROT_WRITE, MAP_SHARED, shm_fd, 0);
-
-    if (shm_base == MAP_FAILED) {
-
-      close(shm_fd);
-      shm_fd = -1;
-
-      fprintf(stderr, "mmap() failed\n");
-      send_forkserver_error(FS_ERROR_MMAP);
-      exit(2);
-
-    }
-
-    __afl_area_ptr = shm_base;
-#else
-    u32 shm_id = atoi(id_str);
-
-    __afl_area_ptr = shmat(shm_id, 0, 0);
-
-#endif
-
-    if (__afl_area_ptr == (void *)-1) {
-
-      send_forkserver_error(FS_ERROR_SHMAT);
-      exit(1);
-
-    }
-
-    /* Write something into the bitmap so that the parent doesn't give up */
-
-    __afl_area_ptr[0] = 1;
-
-  }
-
-}
-
-/* Fork server logic. */
-
-static void __afl_start_forkserver(void) {
-
-  u8  tmp[4] = {0, 0, 0, 0};
-  u32 status = 0;
-
-  if (__afl_map_size <= FS_OPT_MAX_MAPSIZE)
-    status |= (FS_OPT_SET_MAPSIZE(__afl_map_size) | FS_OPT_MAPSIZE);
-  if (status) status |= (FS_OPT_ENABLED);
-  memcpy(tmp, &status, 4);
-
-  /* Phone home and tell the parent that we're OK. */
-
-  if (write(FORKSRV_FD + 1, tmp, 4) != 4) return;
-
-}
-
-static u32 __afl_next_testcase(u8 *buf, u32 max_len) {
-
-  s32 status, res = 0x0fffffff;  // res is a dummy pid
-
-  /* Wait for parent by reading from the pipe. Abort if read fails. */
-  if (read(FORKSRV_FD, &status, 4) != 4) return 0;
-
-  /* we have a testcase - read it */
-  status = read(0, buf, max_len);
-
-  /* report that we are starting the target */
-  if (write(FORKSRV_FD + 1, &res, 4) != 4) return 0;
-
-  if (status < 1)
-    return 0;
-  else
-    return status;
-
-}
-
-static void __afl_end_testcase(int status) {
-
-  if (write(FORKSRV_FD + 1, &status, 4) != 4) exit(1);
-
-}
-
-/* you just need to modify the while() loop in this main() */
-
-int main(int argc, char *argv[]) {
-
-  u8 *            interface, *buf, *ptr;
-  s32             s = -1;
-  struct addrinfo hints, *hres, *aip;
-  u32 *           lenptr, max_len = 65536;
-#ifdef USE_DEFLATE
-  u8 *   buf2;
-  u32 *  lenptr1, *lenptr2, buf2_len, compress_len;
-  size_t decompress_len;
-#endif
-
-  if (argc < 3 || argc > 4) {
-
-    printf("Syntax: %s host port [max-input-size]\n\n", argv[0]);
-    printf("Requires host and port of the remote afl-proxy-server instance.\n");
-    printf(
-        "IPv4 and IPv6 are supported, also binding to an interface with "
-        "\"%%\"\n");
-    printf("The max-input-size default is %u.\n", max_len);
-    printf(
-        "The default map size is %u and can be changed with setting "
-        "AFL_MAP_SIZE.\n",
-        __afl_map_size);
-    exit(-1);
-
-  }
-
-  if ((interface = strchr(argv[1], '%')) != NULL) *interface++ = 0;
-
-  if (argc > 3)
-    if ((max_len = atoi(argv[3])) < 0)
-      FATAL("max-input-size may not be negative or larger than 2GB: %s",
-            argv[3]);
-
-  if ((ptr = getenv("AFL_MAP_SIZE")) != NULL)
-    if ((__afl_map_size = atoi(ptr)) < 8)
-      FATAL("illegal map size, may not be < 8 or >= 2^30: %s", ptr);
-
-  if ((buf = malloc(max_len + 4)) == NULL)
-    PFATAL("can not allocate %u memory", max_len + 4);
-  lenptr = (u32 *)buf;
-
-#ifdef USE_DEFLATE
-  buf2_len = (max_len > __afl_map_size ? max_len : __afl_map_size);
-  if ((buf2 = malloc(buf2_len + 8)) == NULL)
-    PFATAL("can not allocate %u memory", buf2_len + 8);
-  lenptr1 = (u32 *)buf2;
-  lenptr2 = (u32 *)(buf2 + 4);
-#endif
-
-  memset(&hints, 0, sizeof(hints));
-  hints.ai_socktype = SOCK_STREAM;
-  hints.ai_family = PF_UNSPEC;
-
-  if (getaddrinfo(argv[1], argv[2], &hints, &hres) != 0)
-    PFATAL("could not resolve target %s", argv[1]);
-
-  for (aip = hres; aip != NULL && s == -1; aip = aip->ai_next) {
-
-    if ((s = socket(aip->ai_family, aip->ai_socktype, aip->ai_protocol)) >= 0) {
-
-#ifdef SO_BINDTODEVICE
-      if (interface != NULL)
-        if (setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE, interface,
-                       strlen(interface) + 1) < 0)
-          fprintf(stderr, "Warning: could not bind to device %s\n", interface);
-#else
-      fprintf(stderr,
-              "Warning: binding to interface is not supported for your OS\n");
-#endif
-
-#ifdef SO_PRIORITY
-      int priority = 7;
-      if (setsockopt(s, SOL_SOCKET, SO_PRIORITY, &priority, sizeof(priority)) <
-          0) {
-
-        priority = 6;
-        if (setsockopt(s, SOL_SOCKET, SO_PRIORITY, &priority,
-                       sizeof(priority)) < 0)
-          WARNF("could not set priority on socket");
-
-      }
-
-#endif
-
-      if (connect(s, aip->ai_addr, aip->ai_addrlen) == -1) s = -1;
-
-    }
-
-  }
-
-#ifdef USE_DEFLATE
-  struct libdeflate_compressor *compressor;
-  compressor = libdeflate_alloc_compressor(1);
-  struct libdeflate_decompressor *decompressor;
-  decompressor = libdeflate_alloc_decompressor();
-  fprintf(stderr, "Compiled with compression support\n");
-#endif
-
-  if (s == -1)
-    FATAL("could not connect to target tcp://%s:%s", argv[1], argv[2]);
-  else
-    fprintf(stderr, "Connected to target tcp://%s:%s\n", argv[1], argv[2]);
-
-  /* we initialize the shared memory map and start the forkserver */
-  __afl_map_shm();
-  __afl_start_forkserver();
-
-  int i = 1, j, status, ret, received;
-
-  // fprintf(stderr, "Waiting for first testcase\n");
-  while ((*lenptr = __afl_next_testcase(buf + 4, max_len)) > 0) {
-
-    // fprintf(stderr, "Sending testcase with len %u\n", *lenptr);
-#ifdef USE_DEFLATE
-  #ifdef COMPRESS_TESTCASES
-    // we only compress the testcase if it does not fit in the TCP packet
-    if (*lenptr > 1500 - 20 - 32 - 4) {
-
-      // set highest byte to signify compression
-      *lenptr1 = (*lenptr | 0xff000000);
-      *lenptr2 = (u32)libdeflate_deflate_compress(compressor, buf + 4, *lenptr,
-                                                  buf2 + 8, buf2_len);
-      if (send(s, buf2, *lenptr2 + 8, 0) != *lenptr2 + 8)
-        PFATAL("sending test data failed");
-      // fprintf(stderr, "COMPRESS (%u->%u):\n", *lenptr, *lenptr2);
-      // for (u32 i = 0; i < *lenptr; i++)
-      //  fprintf(stderr, "%02x", buf[i + 4]);
-      // fprintf(stderr, "\n");
-      // for (u32 i = 0; i < *lenptr2; i++)
-      //  fprintf(stderr, "%02x", buf2[i + 8]);
-      // fprintf(stderr, "\n");
-
-    } else {
-
-  #endif
-#endif
-      if (send(s, buf, *lenptr + 4, 0) != *lenptr + 4)
-        PFATAL("sending test data failed");
-#ifdef USE_DEFLATE
-  #ifdef COMPRESS_TESTCASES
-      // fprintf(stderr, "unCOMPRESS (%u)\n", *lenptr);
-
-    }
-
-  #endif
-#endif
-
-    received = 0;
-    while (received < 4 &&
-           (ret = recv(s, &status + received, 4 - received, 0)) > 0)
-      received += ret;
-    if (received != 4)
-      FATAL("did not receive waitpid data (%d, %d)", received, ret);
-    // fprintf(stderr, "Received status\n");
-
-    received = 0;
-#ifdef USE_DEFLATE
-    while (received < 4 &&
-           (ret = recv(s, &compress_len + received, 4 - received, 0)) > 0)
-      received += ret;
-    if (received != 4)
-      FATAL("did not receive compress_len (%d, %d)", received, ret);
-    // fprintf(stderr, "Received status\n");
-
-    received = 0;
-    while (received < compress_len &&
-           (ret = recv(s, buf2 + received, buf2_len - received, 0)) > 0)
-      received += ret;
-    if (received != compress_len)
-      FATAL("did not receive coverage data (%d, %d)", received, ret);
-
-    if (libdeflate_deflate_decompress(decompressor, buf2, compress_len,
-                                      __afl_area_ptr, __afl_map_size,
-                                      &decompress_len) != LIBDEFLATE_SUCCESS ||
-        decompress_len != __afl_map_size)
-      FATAL("decompression failed");
-      // fprintf(stderr, "DECOMPRESS (%u->%u): ", compress_len, decompress_len);
-      // for (u32 i = 0; i < __afl_map_size; i++) fprintf(stderr, "%02x",
-      // __afl_area_ptr[i]); fprintf(stderr, "\n");
-#else
-    while (received < __afl_map_size &&
-           (ret = recv(s, __afl_area_ptr + received, __afl_map_size - received,
-                       0)) > 0)
-      received += ret;
-    if (received != __afl_map_size)
-      FATAL("did not receive coverage data (%d, %d)", received, ret);
-#endif
-    // fprintf(stderr, "Received coverage\n");
-
-    /* report the test case is done and wait for the next */
-    __afl_end_testcase(status);
-    // fprintf(stderr, "Waiting for next testcase %d\n", ++i);
-
-  }
-
-#ifdef USE_DEFLATE
-  libdeflate_free_compressor(compressor);
-  libdeflate_free_decompressor(decompressor);
-#endif
-
-  return 0;
-
-}
-