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-rw-r--r--examples/persistent_mode/Makefile10
-rw-r--r--examples/persistent_mode/persistent_demo.c112
-rw-r--r--examples/persistent_mode/persistent_demo_new.c117
-rw-r--r--examples/persistent_mode/test-instr.c69
4 files changed, 0 insertions, 308 deletions
diff --git a/examples/persistent_mode/Makefile b/examples/persistent_mode/Makefile
deleted file mode 100644
index 6fa1c30e..00000000
--- a/examples/persistent_mode/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-all:
- afl-clang-fast -o persistent_demo persistent_demo.c
- afl-clang-fast -o persistent_demo_new persistent_demo_new.c
- AFL_DONT_OPTIMIZE=1 afl-clang-fast -o test-instr test-instr.c
-
-document:
- AFL_DONT_OPTIMIZE=1 afl-clang-fast -D_AFL_DOCUMENT_MUTATIONS -o test-instr test-instr.c
-
-clean:
- rm -f persistent_demo persistent_demo_new test-instr
diff --git a/examples/persistent_mode/persistent_demo.c b/examples/persistent_mode/persistent_demo.c
deleted file mode 100644
index 4cedc32c..00000000
--- a/examples/persistent_mode/persistent_demo.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- american fuzzy lop++ - persistent mode example
- --------------------------------------------
-
- Originally written by Michal Zalewski
-
- Copyright 2015 Google Inc. 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
-
- This file demonstrates the high-performance "persistent mode" that may be
- suitable for fuzzing certain fast and well-behaved libraries, provided that
- they are stateless or that their internal state can be easily reset
- across runs.
-
- To make this work, the library and this shim need to be compiled in LLVM
- mode using afl-clang-fast (other compiler wrappers will *not* work).
-
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-
-/* Main entry point. */
-
-int main(int argc, char **argv) {
-
- ssize_t len; /* how much input did we read? */
- char buf[100]; /* Example-only buffer, you'd replace it with other global or
- local variables appropriate for your use case. */
-
- /* The number passed to __AFL_LOOP() controls the maximum number of
- iterations before the loop exits and the program is allowed to
- terminate normally. This limits the impact of accidental memory leaks
- and similar hiccups. */
-
- __AFL_INIT();
- while (__AFL_LOOP(1000)) {
-
- /*** PLACEHOLDER CODE ***/
-
- /* STEP 1: Fully re-initialize all critical variables. In our example, this
- involves zeroing buf[], our input buffer. */
-
- memset(buf, 0, 100);
-
- /* STEP 2: Read input data. When reading from stdin, no special preparation
- is required. When reading from a named file, you need to close
- the old descriptor and reopen the file first!
-
- Beware of reading from buffered FILE* objects such as stdin. Use
- raw file descriptors or call fopen() / fdopen() in every pass. */
-
- len = read(0, buf, 100);
-
- /* STEP 3: This is where we'd call the tested library on the read data.
- We just have some trivial inline code that faults on 'foo!'. */
-
- /* do we have enough data? */
- if (len < 8) continue;
-
- if (buf[0] == 'f') {
-
- printf("one\n");
- if (buf[1] == 'o') {
-
- printf("two\n");
- if (buf[2] == 'o') {
-
- printf("three\n");
- if (buf[3] == '!') {
-
- printf("four\n");
- if (buf[4] == '!') {
-
- printf("five\n");
- if (buf[5] == '!') {
-
- printf("six\n");
- abort();
-
- }
-
- }
-
- }
-
- }
-
- }
-
- }
-
- /*** END PLACEHOLDER CODE ***/
-
- }
-
- /* Once the loop is exited, terminate normally - AFL will restart the process
- when this happens, with a clean slate when it comes to allocated memory,
- leftover file descriptors, etc. */
-
- return 0;
-
-}
-
diff --git a/examples/persistent_mode/persistent_demo_new.c b/examples/persistent_mode/persistent_demo_new.c
deleted file mode 100644
index a29792ff..00000000
--- a/examples/persistent_mode/persistent_demo_new.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- american fuzzy lop++ - persistent mode example
- --------------------------------------------
-
- Originally written by Michal Zalewski
-
- Copyright 2015 Google Inc. 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
-
- This file demonstrates the high-performance "persistent mode" that may be
- suitable for fuzzing certain fast and well-behaved libraries, provided that
- they are stateless or that their internal state can be easily reset
- across runs.
-
- To make this work, the library and this shim need to be compiled in LLVM
- mode using afl-clang-fast (other compiler wrappers will *not* work).
-
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-
-/* this lets the source compile without afl-clang-fast/lto */
-#ifndef __AFL_FUZZ_TESTCASE_LEN
-
-ssize_t fuzz_len;
-unsigned char fuzz_buf[1024000];
-
- #define __AFL_FUZZ_TESTCASE_LEN fuzz_len
- #define __AFL_FUZZ_TESTCASE_BUF fuzz_buf
- #define __AFL_FUZZ_INIT() void sync(void);
- #define __AFL_LOOP(x) \
- ((fuzz_len = read(0, fuzz_buf, sizeof(fuzz_buf))) > 0 ? 1 : 0)
- #define __AFL_INIT() sync()
-
-#endif
-
-__AFL_FUZZ_INIT();
-
-/* Main entry point. */
-
-int main(int argc, char **argv) {
-
- ssize_t len; /* how much input did we read? */
- unsigned char *buf; /* test case buffer pointer */
-
- /* The number passed to __AFL_LOOP() controls the maximum number of
- iterations before the loop exits and the program is allowed to
- terminate normally. This limits the impact of accidental memory leaks
- and similar hiccups. */
-
- __AFL_INIT();
- buf = __AFL_FUZZ_TESTCASE_BUF; // this must be assigned before __AFL_LOOP!
-
- while (__AFL_LOOP(1000)) { // increase if you have good stability
-
- len = __AFL_FUZZ_TESTCASE_LEN; // do not use the macro directly in a call!
-
- fprintf(stderr, "input: %zd \"%s\"\n", len, buf);
-
- /* do we have enough data? */
- if (len < 8) continue;
-
- if (strcmp((char *)buf, "thisisateststring") == 0) printf("teststring\n");
-
- if (buf[0] == 'f') {
-
- printf("one\n");
- if (buf[1] == 'o') {
-
- printf("two\n");
- if (buf[2] == 'o') {
-
- printf("three\n");
- if (buf[3] == '!') {
-
- printf("four\n");
- if (buf[4] == '!') {
-
- printf("five\n");
- if (buf[6] == '!') {
-
- printf("six\n");
- abort();
-
- }
-
- }
-
- }
-
- }
-
- }
-
- }
-
- /*** END PLACEHOLDER CODE ***/
-
- }
-
- /* Once the loop is exited, terminate normally - AFL will restart the process
- when this happens, with a clean slate when it comes to allocated memory,
- leftover file descriptors, etc. */
-
- return 0;
-
-}
-
diff --git a/examples/persistent_mode/test-instr.c b/examples/persistent_mode/test-instr.c
deleted file mode 100644
index a6188b22..00000000
--- a/examples/persistent_mode/test-instr.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- american fuzzy lop++ - a trivial program to test the build
- --------------------------------------------------------
- Originally written by Michal Zalewski
- Copyright 2014 Google Inc. All rights reserved.
- 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
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-__AFL_FUZZ_INIT();
-
-int main(int argc, char **argv) {
-
- __AFL_INIT();
- unsigned char *buf = __AFL_FUZZ_TESTCASE_BUF;
-
- while (__AFL_LOOP(2147483647)) { // MAX_INT if you have 100% stability
-
- unsigned int len = __AFL_FUZZ_TESTCASE_LEN;
-
-#ifdef _AFL_DOCUMENT_MUTATIONS
- static unsigned int counter = 0;
- char fn[32];
- sprintf(fn, "%09u:test-instr", counter);
- int fd_doc = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0600);
- if (fd_doc >= 0) {
-
- if (write(fd_doc, buf, len) != __afl_fuzz_len) {
-
- fprintf(stderr, "write of mutation file failed: %s\n", fn);
- unlink(fn);
-
- }
-
- close(fd_doc);
-
- }
-
- counter++;
-#endif
-
- // fprintf(stderr, "len: %u\n", len);
-
- if (!len) continue;
-
- if (buf[0] == '0')
- printf("Looks like a zero to me!\n");
- else if (buf[0] == '1')
- printf("Pretty sure that is a one!\n");
- else
- printf("Neither one or zero? How quaint!\n");
-
- }
-
- return 0;
-
-}
-