aboutsummaryrefslogtreecommitdiff
path: root/test/fuzzers/standard_fuzzer.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/fuzzers/standard_fuzzer.cpp')
-rw-r--r--test/fuzzers/standard_fuzzer.cpp218
1 files changed, 0 insertions, 218 deletions
diff --git a/test/fuzzers/standard_fuzzer.cpp b/test/fuzzers/standard_fuzzer.cpp
deleted file mode 100644
index 468e8cbb..00000000
--- a/test/fuzzers/standard_fuzzer.cpp
+++ /dev/null
@@ -1,218 +0,0 @@
-/******************************************************************************
- *
- * Project: proj.4
- * Purpose: Fuzzer
- * Author: Even Rouault, even.rouault at spatialys.com
- *
- ******************************************************************************
- * Copyright (c) 2017, Even Rouault <even.rouault at spatialys.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- ****************************************************************************/
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#define ACCEPT_USE_OF_DEPRECATED_PROJ_API_H
-#include "proj.h"
-#include "proj_api.h"
-
-/* Standalone build:
-g++ -g -std=c++11 standard_fuzzer.cpp -o standard_fuzzer -fvisibility=hidden -DSTANDALONE ../../src/.libs/libproj.a -lpthread -lsqlite3 -I../../src -I../../include
-*/
-
-extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv);
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len);
-
-int LLVMFuzzerInitialize(int* /*argc*/, char*** argv)
-{
- const char* argv0 = (*argv)[0];
- char* path = pj_strdup(argv0);
- char* lastslash = strrchr(path, '/');
- if( lastslash )
- {
- *lastslash = '\0';
- setenv("PROJ_LIB", path, 1);
- }
- else
- {
- setenv("PROJ_LIB", ".", 1);
- }
- free(path);
- return 0;
-}
-
-int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
-{
- if( len > 1000 )
- {
-#ifdef STANDALONE
- fprintf(stderr, "Input too large\n");
-#endif
- return 0;
- }
-
- /* We expect the blob to be 3 lines: */
- /* source proj string\ndestination proj string\nx y */
- char* buf_dup = (char*)malloc(len+1);
- memcpy(buf_dup, buf, len);
- buf_dup[len] = 0;
- char* first_line = buf_dup;
- char* first_newline = strchr(first_line, '\n');
- if( !first_newline )
- {
- free(buf_dup);
- return 0;
- }
- first_newline[0] = 0;
- char* second_line = first_newline + 1;
- char* second_newline = strchr(second_line, '\n');
- if( !second_newline )
- {
- free(buf_dup);
- return 0;
- }
- second_newline[0] = 0;
- char* third_line = second_newline + 1;
- projPJ pj_src = pj_init_plus(first_line);
- if( !pj_src )
- {
- free(buf_dup);
- return 0;
- }
- projPJ pj_dst = pj_init_plus(second_line);
- if( !pj_dst )
- {
- free(buf_dup);
- pj_free(pj_src);
- proj_cleanup();
- return 0;
- }
- double x = 0, y = 0, z = 9;
- bool from_binary = false;
- bool has_z = false;
- if( strncmp(third_line, "BINARY_2D:", strlen("BINARY_2D:")) == 0 &&
- third_line - first_line + strlen("BINARY_2D:") + 2 * sizeof(double) <= len )
- {
- from_binary = true;
- memcpy(&x, third_line + strlen("BINARY_2D:"), sizeof(double));
- memcpy(&y, third_line + strlen("BINARY_2D:") + sizeof(double), sizeof(double));
- }
- else if( strncmp(third_line, "BINARY_3D:", strlen("BINARY_3D:")) == 0 &&
- third_line - first_line + strlen("BINARY_3D:") + 3 * sizeof(double) <= len )
- {
- from_binary = true;
- has_z = true;
- memcpy(&x, third_line + strlen("BINARY_3D:"), sizeof(double));
- memcpy(&y, third_line + strlen("BINARY_3D:") + sizeof(double), sizeof(double));
- memcpy(&z, third_line + strlen("BINARY_3D:") + 2 * sizeof(double), sizeof(double));
- }
- else if( sscanf(third_line, "%lf %lf", &x, &y) != 2 )
- {
- free(buf_dup);
- pj_free(pj_src);
- pj_free(pj_dst);
- proj_cleanup();
- return 0;
- }
-#ifdef STANDALONE
- fprintf(stderr, "src=%s\n", first_line);
- fprintf(stderr, "dst=%s\n", second_line);
- if( from_binary )
- {
- if( has_z )
- fprintf(stderr, "coord (from binary)=%.18g %.18g %.18g\n", x, y, z);
- else
- fprintf(stderr, "coord (from binary)=%.18g %.18g\n", x, y);
- }
- else
- fprintf(stderr, "coord=%s\n", third_line);
-#endif
- if( has_z )
- pj_transform( pj_src, pj_dst, 1, 0, &x, &y, &z );
- else
- pj_transform( pj_src, pj_dst, 1, 0, &x, &y, NULL );
- free(buf_dup);
- pj_free(pj_src);
- pj_free(pj_dst);
- proj_cleanup();
- return 0;
-}
-
-#ifdef STANDALONE
-
-int main(int argc, char* argv[])
-{
- if( argc < 2 )
- {
- const char str[] =
- "+proj=longlat +datum=WGS84 +nodefs\n+proj=longlat +datum=WGS84 +nodefs\n2 49";
- int ret = LLVMFuzzerTestOneInput((const uint8_t*)(str), sizeof(str) - 1);
- if( ret )
- return ret;
-
- const char str2[] =
- "+proj=longlat +datum=WGS84 +nodefs\n+proj=longlat +datum=WGS84 +nodefs\nBINARY_2D:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF";
- ret = LLVMFuzzerTestOneInput((const uint8_t*)(str2), sizeof(str2) - 1);
- if( ret )
- return ret;
-
- const char str3[] =
- "+proj=longlat +datum=WGS84 +nodefs\n+proj=longlat +datum=WGS84 +nodefs\nBINARY_3D:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF\x00\x00\x00\x00\x00\x00\x00\x00";
- ret = LLVMFuzzerTestOneInput((const uint8_t*)(str3), sizeof(str3) - 1);
- if( ret )
- return ret;
-
- return 0;
- }
- else
- {
- int nRet = 0;
- void* buf = NULL;
- int nLen = 0;
- FILE* f = fopen(argv[1], "rb");
- if( !f )
- {
- fprintf(stderr, "%s does not exist.\n", argv[1]);
- exit(1);
- }
- fseek(f, 0, SEEK_END);
- nLen = (int)ftell(f);
- fseek(f, 0, SEEK_SET);
- buf = malloc(nLen);
- if( !buf )
- {
- fprintf(stderr, "malloc failed.\n");
- fclose(f);
- exit(1);
- }
- fread(buf, nLen, 1, f);
- fclose(f);
- nRet = LLVMFuzzerTestOneInput((const uint8_t*)(buf), nLen);
- free(buf);
- return nRet;
- }
-}
-
-#endif // STANDALONE
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-16 04:09:50 +0000