mirror of https://github.com/google/oss-fuzz.git
106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/* Copyright 2022 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdint.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "lcms2.h"
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cmsTagSignature tagsToRead[] = {
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cmsSigGreenColorantTag,
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cmsSigGreenMatrixColumnTag,
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cmsSigGreenTRCTag,
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cmsSigMeasurementTag,
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cmsSigNamedColorTag,
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cmsSigPreview1Tag,
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cmsSigPs2CRD2Tag,
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cmsSigPs2CRD3Tag,
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cmsSigRedTRCTag,
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};
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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if (size == 0)
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return 0;
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char filename[256];
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sprintf(filename, "/tmp/libfuzzer.%d.icc", getpid());
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FILE *fp = fopen(filename, "wb");
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if (!fp) {
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return 0;
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}
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fwrite(data, size, 1, fp);
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fclose(fp);
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cmsHPROFILE hProfile = cmsOpenProfileFromFile(filename, "r");
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// If we have a profile, perform a set of operations
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if (hProfile) {
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char tagBuffer[4];
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// Perform multiple tag reads. Read tags twice as behavior matters
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// if tags have been read before.
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for (int j = 0; j < 2; j++) {
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for (int i = 0; i < sizeof(tagsToRead)/sizeof(tagsToRead[0]); i++) {
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadRawTag(hProfile, tagsToRead[i], NULL, 0);
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadTag(hProfile, tagsToRead[i]);
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}
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}
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// Save to random file
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cmsSaveProfileToFile(hProfile, "random.icc");
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cmsCloseProfile(hProfile);
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}
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// Let's write the profile now.
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hProfile = cmsOpenProfileFromFile(filename, "w");
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if (hProfile) {
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char tagBuffer[4] = {'a', 'a', 'a', 'a'};
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// Perform multiple tag reads
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for (int j = 0; j < 2; j++) {
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for (int i = 0; i < sizeof(tagsToRead)/sizeof(tagsToRead[0]); i++) {
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadRawTag(hProfile, tagsToRead[i], NULL, 0);
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadTag(hProfile, tagsToRead[i]);
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}
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}
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for (int i = 0; i < sizeof(tagsToRead)/sizeof(tagsToRead[0]); i++) {
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cmsWriteRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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}
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for (int j = 0; j < 2; j++) {
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for (int i = 0; i < sizeof(tagsToRead)/sizeof(tagsToRead[0]); i++) {
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadRawTag(hProfile, tagsToRead[i], NULL, 0);
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cmsReadRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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cmsReadTag(hProfile, tagsToRead[i]);
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}
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}
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for (int i = 0; i < sizeof(tagsToRead)/sizeof(tagsToRead[0]); i++) {
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cmsWriteRawTag(hProfile, tagsToRead[i], tagBuffer, 4);
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}
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// Save to random file
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cmsSaveProfileToFile(hProfile, "random.icc");
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cmsCloseProfile(hProfile);
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}
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unlink(filename);
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return 0;
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}
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