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https://gitlab.gnome.org/GNOME/libxml2
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9f652e57c1
We use the same counter for injecting malloc and IO failures. This mostly renames several functions and variables.
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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* uri.c: a libFuzzer target to test the URI module.
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*
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* See Copyright for the status of this software.
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*/
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#include <libxml/uri.h>
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#include "fuzz.h"
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int
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LLVMFuzzerInitialize(int *argc ATTRIBUTE_UNUSED,
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char ***argv ATTRIBUTE_UNUSED) {
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xmlFuzzMemSetup();
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return 0;
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}
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int
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LLVMFuzzerTestOneInput(const char *data, size_t size) {
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xmlURIPtr uri;
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size_t failurePos;
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const char *str1, *str2;
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char *copy;
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xmlChar *strRes;
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int intRes;
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if (size > 10000)
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return(0);
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xmlFuzzDataInit(data, size);
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failurePos = xmlFuzzReadInt(4) % (size * 8 + 100);
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str1 = xmlFuzzReadString(NULL);
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str2 = xmlFuzzReadString(NULL);
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xmlFuzzInjectFailure(failurePos);
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xmlFuzzResetFailure();
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intRes = xmlParseURISafe(str1, &uri);
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xmlFuzzCheckFailureReport("xmlParseURISafe", intRes == -1, 0);
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if (uri != NULL) {
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xmlFuzzResetFailure();
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strRes = xmlSaveUri(uri);
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xmlFuzzCheckFailureReport("xmlSaveURI", strRes == NULL, 0);
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xmlFree(strRes);
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xmlFreeURI(uri);
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}
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xmlFreeURI(xmlParseURI(str1));
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uri = xmlParseURIRaw(str1, 1);
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xmlFree(xmlSaveUri(uri));
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xmlFreeURI(uri);
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xmlFuzzResetFailure();
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strRes = BAD_CAST xmlURIUnescapeString(str1, -1, NULL);
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xmlFuzzCheckFailureReport("xmlURIUnescapeString",
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str1 != NULL && strRes == NULL, 0);
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xmlFree(strRes);
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xmlFree(xmlURIEscape(BAD_CAST str1));
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xmlFuzzResetFailure();
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strRes = xmlCanonicPath(BAD_CAST str1);
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xmlFuzzCheckFailureReport("xmlCanonicPath",
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str1 != NULL && strRes == NULL, 0);
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xmlFree(strRes);
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xmlFuzzResetFailure();
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strRes = xmlPathToURI(BAD_CAST str1);
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xmlFuzzCheckFailureReport("xmlPathToURI",
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str1 != NULL && strRes == NULL, 0);
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xmlFree(strRes);
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xmlFuzzResetFailure();
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intRes = xmlBuildURISafe(BAD_CAST str2, BAD_CAST str1, &strRes);
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xmlFuzzCheckFailureReport("xmlBuildURISafe", intRes == -1, 0);
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xmlFree(strRes);
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xmlFree(xmlBuildURI(BAD_CAST str2, BAD_CAST str1));
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xmlFuzzResetFailure();
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intRes = xmlBuildRelativeURISafe(BAD_CAST str2, BAD_CAST str1, &strRes);
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xmlFuzzCheckFailureReport("xmlBuildRelativeURISafe", intRes == -1, 0);
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xmlFree(strRes);
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xmlFree(xmlBuildRelativeURI(BAD_CAST str2, BAD_CAST str1));
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xmlFuzzResetFailure();
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strRes = xmlURIEscapeStr(BAD_CAST str1, BAD_CAST str2);
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xmlFuzzCheckFailureReport("xmlURIEscapeStr",
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str1 != NULL && strRes == NULL, 0);
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xmlFree(strRes);
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copy = (char *) xmlCharStrdup(str1);
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xmlNormalizeURIPath(copy);
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xmlFree(copy);
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xmlFuzzInjectFailure(0);
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xmlFuzzDataCleanup();
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return 0;
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}
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