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/*
** This is a test interface for the ossfuzz.c module. The ossfuzz.c module
** is an adaptor for OSS-FUZZ. (https://github.com/google/oss-fuzz)
**
** This program links against ossfuzz.c. It reads files named on the
** command line and passes them one by one into ossfuzz.c.
*/
#include <stddef.h>
#if !defined(_MSC_VER)
# include <stdint.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#if defined(_MSC_VER)
typedef unsigned char uint8_t;
#endif
/*
** The entry point in ossfuzz.c that this routine will be calling
*/
int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
/* Must match equivalent #defines in ossfuzz.c */
#define FUZZ_SQL_TRACE 0x0001 /* Set an sqlite3_trace() callback */
#define FUZZ_SHOW_MAX_DELAY 0x0002 /* Show maximum progress callback delay */
#define FUZZ_SHOW_ERRORS 0x0004 /* Show SQL errors */
extern void ossfuzz_set_debug_flags(unsigned);
/*
** Read files named on the command-line and invoke the fuzzer for
** each one.
*/
int main(int argc, char **argv){
FILE *in;
int i;
int nErr = 0;
uint8_t *zBuf = 0;
size_t sz;
unsigned mDebug = 0;
for(i=1; i<argc; i++){
const char *zFilename = argv[i];
if( zFilename[0]=='-' ){
if( zFilename[1]=='-' ) zFilename++;
if( strcmp(zFilename, "-show-errors")==0 ){
mDebug |= FUZZ_SHOW_ERRORS;
ossfuzz_set_debug_flags(mDebug);
}else
if( strcmp(zFilename, "-show-max-delay")==0 ){
mDebug |= FUZZ_SHOW_MAX_DELAY;
ossfuzz_set_debug_flags(mDebug);
}else
if( strcmp(zFilename, "-sql-trace")==0 ){
mDebug |= FUZZ_SQL_TRACE;
ossfuzz_set_debug_flags(mDebug);
}else
{
printf("unknown option \"%s\"\n", argv[i]);
printf("should be one of: --show-errors --show-max-delay"
" --sql-trace\n");
exit(1);
}
continue;
}
in = fopen(zFilename, "rb");
if( in==0 ){
fprintf(stderr, "cannot open \"%s\"\n", zFilename);
nErr++;
continue;
}
fseek(in, 0, SEEK_END);
sz = ftell(in);
rewind(in);
zBuf = realloc(zBuf, sz);
if( zBuf==0 ){
fprintf(stderr, "cannot malloc() for %d bytes\n", (int)sz);
exit(1);
}
if( fread(zBuf, sz, 1, in)!=1 ){
fprintf(stderr, "cannot read %d bytes from \"%s\"\n",
(int)sz, zFilename);
nErr++;
}else{
printf("%s... ", zFilename);
if( mDebug ) printf("\n");
fflush(stdout);
(void)LLVMFuzzerTestOneInput(zBuf, sz);
if( mDebug ) printf("%s: ", zFilename);
printf("ok\n");
}
fclose(in);
}
free(zBuf);
return nErr;
}
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