1189 lines
36 KiB
C
1189 lines
36 KiB
C
/*
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** 2015-05-25
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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**
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** This is a utility program designed to aid running regressions tests on
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** the SQLite library using data from an external fuzzer, such as American
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** Fuzzy Lop (AFL) (http://lcamtuf.coredump.cx/afl/).
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**
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** This program reads content from an SQLite database file with the following
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** schema:
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**
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** CREATE TABLE db(
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** dbid INTEGER PRIMARY KEY, -- database id
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** dbcontent BLOB -- database disk file image
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** );
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** CREATE TABLE xsql(
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** sqlid INTEGER PRIMARY KEY, -- SQL script id
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** sqltext TEXT -- Text of SQL statements to run
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** );
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** CREATE TABLE IF NOT EXISTS readme(
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** msg TEXT -- Human-readable description of this test collection
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** );
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**
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** For each database file in the DB table, the SQL text in the XSQL table
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** is run against that database. All README.MSG values are printed prior
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** to the start of the test (unless the --quiet option is used). If the
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** DB table is empty, then all entries in XSQL are run against an empty
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** in-memory database.
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**
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** This program is looking for crashes, assertion faults, and/or memory leaks.
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** No attempt is made to verify the output. The assumption is that either all
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** of the database files or all of the SQL statements are malformed inputs,
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** generated by a fuzzer, that need to be checked to make sure they do not
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** present a security risk.
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**
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** This program also includes some command-line options to help with
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** creation and maintenance of the source content database. The command
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**
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** ./fuzzcheck database.db --load-sql FILE...
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**
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** Loads all FILE... arguments into the XSQL table. The --load-db option
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** works the same but loads the files into the DB table. The -m option can
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** be used to initialize the README table. The "database.db" file is created
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** if it does not previously exist. Example:
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**
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** ./fuzzcheck new.db --load-sql *.sql
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** ./fuzzcheck new.db --load-db *.db
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** ./fuzzcheck new.db -m 'New test cases'
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**
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** The three commands above will create the "new.db" file and initialize all
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** tables. Then do "./fuzzcheck new.db" to run the tests.
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**
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** DEBUGGING HINTS:
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**
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** If fuzzcheck does crash, it can be run in the debugger and the content
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** of the global variable g.zTextName[] will identify the specific XSQL and
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** DB values that were running when the crash occurred.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include "sqlite3.h"
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#define ISSPACE(X) isspace((unsigned char)(X))
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#define ISDIGIT(X) isdigit((unsigned char)(X))
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#ifdef __unix__
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# include <signal.h>
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# include <unistd.h>
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#endif
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/*
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** Files in the virtual file system.
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*/
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typedef struct VFile VFile;
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struct VFile {
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char *zFilename; /* Filename. NULL for delete-on-close. From malloc() */
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int sz; /* Size of the file in bytes */
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int nRef; /* Number of references to this file */
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unsigned char *a; /* Content of the file. From malloc() */
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};
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typedef struct VHandle VHandle;
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struct VHandle {
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sqlite3_file base; /* Base class. Must be first */
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VFile *pVFile; /* The underlying file */
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};
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/*
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** The value of a database file template, or of an SQL script
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*/
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typedef struct Blob Blob;
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struct Blob {
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Blob *pNext; /* Next in a list */
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int id; /* Id of this Blob */
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int seq; /* Sequence number */
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int sz; /* Size of this Blob in bytes */
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unsigned char a[1]; /* Blob content. Extra space allocated as needed. */
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};
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/*
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** Maximum number of files in the in-memory virtual filesystem.
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*/
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#define MX_FILE 10
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/*
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** Maximum allowed file size
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*/
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#define MX_FILE_SZ 10000000
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/*
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** All global variables are gathered into the "g" singleton.
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*/
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static struct GlobalVars {
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const char *zArgv0; /* Name of program */
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VFile aFile[MX_FILE]; /* The virtual filesystem */
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int nDb; /* Number of template databases */
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Blob *pFirstDb; /* Content of first template database */
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int nSql; /* Number of SQL scripts */
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Blob *pFirstSql; /* First SQL script */
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char zTestName[100]; /* Name of current test */
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} g;
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/*
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** Print an error message and quit.
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*/
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static void fatalError(const char *zFormat, ...){
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va_list ap;
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if( g.zTestName[0] ){
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fprintf(stderr, "%s (%s): ", g.zArgv0, g.zTestName);
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}else{
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fprintf(stderr, "%s: ", g.zArgv0);
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}
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va_start(ap, zFormat);
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vfprintf(stderr, zFormat, ap);
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va_end(ap);
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fprintf(stderr, "\n");
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exit(1);
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}
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/*
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** Timeout handler
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*/
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#ifdef __unix__
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static void timeoutHandler(int NotUsed){
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(void)NotUsed;
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fatalError("timeout\n");
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}
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#endif
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/*
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** Set the an alarm to go off after N seconds. Disable the alarm
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** if N==0
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*/
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static void setAlarm(int N){
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#ifdef __unix__
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alarm(N);
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#else
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(void)N;
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#endif
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}
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#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
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/*
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** This an SQL progress handler. After an SQL statement has run for
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** many steps, we want to interrupt it. This guards against infinite
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** loops from recursive common table expressions.
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**
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** *pVdbeLimitFlag is true if the --limit-vdbe command-line option is used.
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** In that case, hitting the progress handler is a fatal error.
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*/
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static int progressHandler(void *pVdbeLimitFlag){
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if( *(int*)pVdbeLimitFlag ) fatalError("too many VDBE cycles");
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return 1;
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}
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#endif
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/*
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** Reallocate memory. Show and error and quit if unable.
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*/
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static void *safe_realloc(void *pOld, int szNew){
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void *pNew = realloc(pOld, szNew);
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if( pNew==0 ) fatalError("unable to realloc for %d bytes", szNew);
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return pNew;
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}
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/*
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** Initialize the virtual file system.
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*/
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static void formatVfs(void){
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int i;
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for(i=0; i<MX_FILE; i++){
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g.aFile[i].sz = -1;
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g.aFile[i].zFilename = 0;
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g.aFile[i].a = 0;
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g.aFile[i].nRef = 0;
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}
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}
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/*
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** Erase all information in the virtual file system.
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*/
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static void reformatVfs(void){
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int i;
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for(i=0; i<MX_FILE; i++){
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if( g.aFile[i].sz<0 ) continue;
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if( g.aFile[i].zFilename ){
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free(g.aFile[i].zFilename);
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g.aFile[i].zFilename = 0;
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}
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if( g.aFile[i].nRef>0 ){
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fatalError("file %d still open. nRef=%d", i, g.aFile[i].nRef);
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}
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g.aFile[i].sz = -1;
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free(g.aFile[i].a);
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g.aFile[i].a = 0;
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g.aFile[i].nRef = 0;
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}
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}
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/*
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** Find a VFile by name
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*/
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static VFile *findVFile(const char *zName){
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int i;
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if( zName==0 ) return 0;
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for(i=0; i<MX_FILE; i++){
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if( g.aFile[i].zFilename==0 ) continue;
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if( strcmp(g.aFile[i].zFilename, zName)==0 ) return &g.aFile[i];
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}
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return 0;
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}
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/*
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** Find a VFile by name. Create it if it does not already exist and
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** initialize it to the size and content given.
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**
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** Return NULL only if the filesystem is full.
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*/
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static VFile *createVFile(const char *zName, int sz, unsigned char *pData){
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VFile *pNew = findVFile(zName);
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int i;
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if( pNew ) return pNew;
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for(i=0; i<MX_FILE && g.aFile[i].sz>=0; i++){}
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if( i>=MX_FILE ) return 0;
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pNew = &g.aFile[i];
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if( zName ){
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pNew->zFilename = safe_realloc(0, strlen(zName)+1);
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memcpy(pNew->zFilename, zName, strlen(zName)+1);
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}else{
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pNew->zFilename = 0;
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}
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pNew->nRef = 0;
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pNew->sz = sz;
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pNew->a = safe_realloc(0, sz);
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if( sz>0 ) memcpy(pNew->a, pData, sz);
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return pNew;
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}
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/*
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** Implementation of the "readfile(X)" SQL function. The entire content
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** of the file named X is read and returned as a BLOB. NULL is returned
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** if the file does not exist or is unreadable.
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*/
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static void readfileFunc(
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sqlite3_context *context,
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int argc,
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sqlite3_value **argv
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){
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const char *zName;
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FILE *in;
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long nIn;
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void *pBuf;
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zName = (const char*)sqlite3_value_text(argv[0]);
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if( zName==0 ) return;
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in = fopen(zName, "rb");
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if( in==0 ) return;
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fseek(in, 0, SEEK_END);
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nIn = ftell(in);
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rewind(in);
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pBuf = sqlite3_malloc64( nIn );
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if( pBuf && 1==fread(pBuf, nIn, 1, in) ){
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sqlite3_result_blob(context, pBuf, nIn, sqlite3_free);
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}else{
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sqlite3_free(pBuf);
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}
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fclose(in);
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}
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/*
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** Implementation of the "writefile(X,Y)" SQL function. The argument Y
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** is written into file X. The number of bytes written is returned. Or
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** NULL is returned if something goes wrong, such as being unable to open
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** file X for writing.
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*/
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static void writefileFunc(
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sqlite3_context *context,
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int argc,
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sqlite3_value **argv
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){
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FILE *out;
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const char *z;
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sqlite3_int64 rc;
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const char *zFile;
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(void)argc;
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zFile = (const char*)sqlite3_value_text(argv[0]);
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if( zFile==0 ) return;
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out = fopen(zFile, "wb");
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if( out==0 ) return;
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z = (const char*)sqlite3_value_blob(argv[1]);
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if( z==0 ){
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rc = 0;
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}else{
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rc = fwrite(z, 1, sqlite3_value_bytes(argv[1]), out);
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}
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fclose(out);
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sqlite3_result_int64(context, rc);
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}
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/*
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** Load a list of Blob objects from the database
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*/
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static void blobListLoadFromDb(
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sqlite3 *db, /* Read from this database */
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const char *zSql, /* Query used to extract the blobs */
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int onlyId, /* Only load where id is this value */
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int *pN, /* OUT: Write number of blobs loaded here */
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Blob **ppList /* OUT: Write the head of the blob list here */
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){
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Blob head;
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Blob *p;
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sqlite3_stmt *pStmt;
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int n = 0;
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int rc;
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char *z2;
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if( onlyId>0 ){
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z2 = sqlite3_mprintf("%s WHERE rowid=%d", zSql, onlyId);
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}else{
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z2 = sqlite3_mprintf("%s", zSql);
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}
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rc = sqlite3_prepare_v2(db, z2, -1, &pStmt, 0);
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sqlite3_free(z2);
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if( rc ) fatalError("%s", sqlite3_errmsg(db));
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head.pNext = 0;
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p = &head;
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while( SQLITE_ROW==sqlite3_step(pStmt) ){
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int sz = sqlite3_column_bytes(pStmt, 1);
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Blob *pNew = safe_realloc(0, sizeof(*pNew)+sz );
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pNew->id = sqlite3_column_int(pStmt, 0);
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pNew->sz = sz;
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pNew->seq = n++;
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pNew->pNext = 0;
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memcpy(pNew->a, sqlite3_column_blob(pStmt,1), sz);
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pNew->a[sz] = 0;
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p->pNext = pNew;
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p = pNew;
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}
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sqlite3_finalize(pStmt);
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*pN = n;
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*ppList = head.pNext;
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}
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/*
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** Free a list of Blob objects
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*/
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static void blobListFree(Blob *p){
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Blob *pNext;
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while( p ){
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pNext = p->pNext;
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free(p);
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p = pNext;
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}
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}
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/* Return the current wall-clock time */
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static sqlite3_int64 timeOfDay(void){
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static sqlite3_vfs *clockVfs = 0;
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sqlite3_int64 t;
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if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
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if( clockVfs->iVersion>=1 && clockVfs->xCurrentTimeInt64!=0 ){
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clockVfs->xCurrentTimeInt64(clockVfs, &t);
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}else{
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double r;
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clockVfs->xCurrentTime(clockVfs, &r);
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t = (sqlite3_int64)(r*86400000.0);
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}
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return t;
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}
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/* Methods for the VHandle object
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*/
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static int inmemClose(sqlite3_file *pFile){
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VHandle *p = (VHandle*)pFile;
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VFile *pVFile = p->pVFile;
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pVFile->nRef--;
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if( pVFile->nRef==0 && pVFile->zFilename==0 ){
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pVFile->sz = -1;
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free(pVFile->a);
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pVFile->a = 0;
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}
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return SQLITE_OK;
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}
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static int inmemRead(
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sqlite3_file *pFile, /* Read from this open file */
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void *pData, /* Store content in this buffer */
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int iAmt, /* Bytes of content */
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sqlite3_int64 iOfst /* Start reading here */
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){
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VHandle *pHandle = (VHandle*)pFile;
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VFile *pVFile = pHandle->pVFile;
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if( iOfst<0 || iOfst>=pVFile->sz ){
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memset(pData, 0, iAmt);
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return SQLITE_IOERR_SHORT_READ;
|
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}
|
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if( iOfst+iAmt>pVFile->sz ){
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memset(pData, 0, iAmt);
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iAmt = (int)(pVFile->sz - iOfst);
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memcpy(pData, pVFile->a, iAmt);
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return SQLITE_IOERR_SHORT_READ;
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}
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memcpy(pData, pVFile->a + iOfst, iAmt);
|
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return SQLITE_OK;
|
|
}
|
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static int inmemWrite(
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sqlite3_file *pFile, /* Write to this file */
|
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const void *pData, /* Content to write */
|
|
int iAmt, /* bytes to write */
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sqlite3_int64 iOfst /* Start writing here */
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){
|
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VHandle *pHandle = (VHandle*)pFile;
|
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VFile *pVFile = pHandle->pVFile;
|
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if( iOfst+iAmt > pVFile->sz ){
|
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if( iOfst+iAmt >= MX_FILE_SZ ){
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return SQLITE_FULL;
|
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}
|
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pVFile->a = safe_realloc(pVFile->a, (int)(iOfst+iAmt));
|
|
if( iOfst > pVFile->sz ){
|
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memset(pVFile->a + pVFile->sz, 0, (int)(iOfst - pVFile->sz));
|
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}
|
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pVFile->sz = (int)(iOfst + iAmt);
|
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}
|
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memcpy(pVFile->a + iOfst, pData, iAmt);
|
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return SQLITE_OK;
|
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}
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static int inmemTruncate(sqlite3_file *pFile, sqlite3_int64 iSize){
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|
VHandle *pHandle = (VHandle*)pFile;
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|
VFile *pVFile = pHandle->pVFile;
|
|
if( pVFile->sz>iSize && iSize>=0 ) pVFile->sz = (int)iSize;
|
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return SQLITE_OK;
|
|
}
|
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static int inmemSync(sqlite3_file *pFile, int flags){
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return SQLITE_OK;
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}
|
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static int inmemFileSize(sqlite3_file *pFile, sqlite3_int64 *pSize){
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*pSize = ((VHandle*)pFile)->pVFile->sz;
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return SQLITE_OK;
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}
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static int inmemLock(sqlite3_file *pFile, int type){
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return SQLITE_OK;
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}
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static int inmemUnlock(sqlite3_file *pFile, int type){
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return SQLITE_OK;
|
|
}
|
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static int inmemCheckReservedLock(sqlite3_file *pFile, int *pOut){
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|
*pOut = 0;
|
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return SQLITE_OK;
|
|
}
|
|
static int inmemFileControl(sqlite3_file *pFile, int op, void *pArg){
|
|
return SQLITE_NOTFOUND;
|
|
}
|
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static int inmemSectorSize(sqlite3_file *pFile){
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return 512;
|
|
}
|
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static int inmemDeviceCharacteristics(sqlite3_file *pFile){
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|
return
|
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SQLITE_IOCAP_SAFE_APPEND |
|
|
SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN |
|
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SQLITE_IOCAP_POWERSAFE_OVERWRITE;
|
|
}
|
|
|
|
|
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/* Method table for VHandle
|
|
*/
|
|
static sqlite3_io_methods VHandleMethods = {
|
|
/* iVersion */ 1,
|
|
/* xClose */ inmemClose,
|
|
/* xRead */ inmemRead,
|
|
/* xWrite */ inmemWrite,
|
|
/* xTruncate */ inmemTruncate,
|
|
/* xSync */ inmemSync,
|
|
/* xFileSize */ inmemFileSize,
|
|
/* xLock */ inmemLock,
|
|
/* xUnlock */ inmemUnlock,
|
|
/* xCheck... */ inmemCheckReservedLock,
|
|
/* xFileCtrl */ inmemFileControl,
|
|
/* xSectorSz */ inmemSectorSize,
|
|
/* xDevchar */ inmemDeviceCharacteristics,
|
|
/* xShmMap */ 0,
|
|
/* xShmLock */ 0,
|
|
/* xShmBarrier */ 0,
|
|
/* xShmUnmap */ 0,
|
|
/* xFetch */ 0,
|
|
/* xUnfetch */ 0
|
|
};
|
|
|
|
/*
|
|
** Open a new file in the inmem VFS. All files are anonymous and are
|
|
** delete-on-close.
|
|
*/
|
|
static int inmemOpen(
|
|
sqlite3_vfs *pVfs,
|
|
const char *zFilename,
|
|
sqlite3_file *pFile,
|
|
int openFlags,
|
|
int *pOutFlags
|
|
){
|
|
VFile *pVFile = createVFile(zFilename, 0, (unsigned char*)"");
|
|
VHandle *pHandle = (VHandle*)pFile;
|
|
if( pVFile==0 ){
|
|
return SQLITE_FULL;
|
|
}
|
|
pHandle->pVFile = pVFile;
|
|
pVFile->nRef++;
|
|
pFile->pMethods = &VHandleMethods;
|
|
if( pOutFlags ) *pOutFlags = openFlags;
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
/*
|
|
** Delete a file by name
|
|
*/
|
|
static int inmemDelete(
|
|
sqlite3_vfs *pVfs,
|
|
const char *zFilename,
|
|
int syncdir
|
|
){
|
|
VFile *pVFile = findVFile(zFilename);
|
|
if( pVFile==0 ) return SQLITE_OK;
|
|
if( pVFile->nRef==0 ){
|
|
free(pVFile->zFilename);
|
|
pVFile->zFilename = 0;
|
|
pVFile->sz = -1;
|
|
free(pVFile->a);
|
|
pVFile->a = 0;
|
|
return SQLITE_OK;
|
|
}
|
|
return SQLITE_IOERR_DELETE;
|
|
}
|
|
|
|
/* Check for the existance of a file
|
|
*/
|
|
static int inmemAccess(
|
|
sqlite3_vfs *pVfs,
|
|
const char *zFilename,
|
|
int flags,
|
|
int *pResOut
|
|
){
|
|
VFile *pVFile = findVFile(zFilename);
|
|
*pResOut = pVFile!=0;
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
/* Get the canonical pathname for a file
|
|
*/
|
|
static int inmemFullPathname(
|
|
sqlite3_vfs *pVfs,
|
|
const char *zFilename,
|
|
int nOut,
|
|
char *zOut
|
|
){
|
|
sqlite3_snprintf(nOut, zOut, "%s", zFilename);
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
/*
|
|
** Register the VFS that reads from the g.aFile[] set of files.
|
|
*/
|
|
static void inmemVfsRegister(void){
|
|
static sqlite3_vfs inmemVfs;
|
|
sqlite3_vfs *pDefault = sqlite3_vfs_find(0);
|
|
inmemVfs.iVersion = 3;
|
|
inmemVfs.szOsFile = sizeof(VHandle);
|
|
inmemVfs.mxPathname = 200;
|
|
inmemVfs.zName = "inmem";
|
|
inmemVfs.xOpen = inmemOpen;
|
|
inmemVfs.xDelete = inmemDelete;
|
|
inmemVfs.xAccess = inmemAccess;
|
|
inmemVfs.xFullPathname = inmemFullPathname;
|
|
inmemVfs.xRandomness = pDefault->xRandomness;
|
|
inmemVfs.xSleep = pDefault->xSleep;
|
|
inmemVfs.xCurrentTimeInt64 = pDefault->xCurrentTimeInt64;
|
|
sqlite3_vfs_register(&inmemVfs, 0);
|
|
};
|
|
|
|
/*
|
|
** Allowed values for the runFlags parameter to runSql()
|
|
*/
|
|
#define SQL_TRACE 0x0001 /* Print each SQL statement as it is prepared */
|
|
#define SQL_OUTPUT 0x0002 /* Show the SQL output */
|
|
|
|
/*
|
|
** Run multiple commands of SQL. Similar to sqlite3_exec(), but does not
|
|
** stop if an error is encountered.
|
|
*/
|
|
static void runSql(sqlite3 *db, const char *zSql, unsigned runFlags){
|
|
const char *zMore;
|
|
sqlite3_stmt *pStmt;
|
|
|
|
while( zSql && zSql[0] ){
|
|
zMore = 0;
|
|
pStmt = 0;
|
|
sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zMore);
|
|
if( zMore==zSql ) break;
|
|
if( runFlags & SQL_TRACE ){
|
|
const char *z = zSql;
|
|
int n;
|
|
while( z<zMore && ISSPACE(z[0]) ) z++;
|
|
n = (int)(zMore - z);
|
|
while( n>0 && ISSPACE(z[n-1]) ) n--;
|
|
if( n==0 ) break;
|
|
if( pStmt==0 ){
|
|
printf("TRACE: %.*s (error: %s)\n", n, z, sqlite3_errmsg(db));
|
|
}else{
|
|
printf("TRACE: %.*s\n", n, z);
|
|
}
|
|
}
|
|
zSql = zMore;
|
|
if( pStmt ){
|
|
if( (runFlags & SQL_OUTPUT)==0 ){
|
|
while( SQLITE_ROW==sqlite3_step(pStmt) ){}
|
|
}else{
|
|
int nCol = -1;
|
|
while( SQLITE_ROW==sqlite3_step(pStmt) ){
|
|
int i;
|
|
if( nCol<0 ){
|
|
nCol = sqlite3_column_count(pStmt);
|
|
}else if( nCol>0 ){
|
|
printf("--------------------------------------------\n");
|
|
}
|
|
for(i=0; i<nCol; i++){
|
|
int eType = sqlite3_column_type(pStmt,i);
|
|
printf("%s = ", sqlite3_column_name(pStmt,i));
|
|
switch( eType ){
|
|
case SQLITE_NULL: {
|
|
printf("NULL\n");
|
|
break;
|
|
}
|
|
case SQLITE_INTEGER: {
|
|
printf("INT %s\n", sqlite3_column_text(pStmt,i));
|
|
break;
|
|
}
|
|
case SQLITE_FLOAT: {
|
|
printf("FLOAT %s\n", sqlite3_column_text(pStmt,i));
|
|
break;
|
|
}
|
|
case SQLITE_TEXT: {
|
|
printf("TEXT [%s]\n", sqlite3_column_text(pStmt,i));
|
|
break;
|
|
}
|
|
case SQLITE_BLOB: {
|
|
printf("BLOB (%d bytes)\n", sqlite3_column_bytes(pStmt,i));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** Rebuild the database file.
|
|
**
|
|
** (1) Remove duplicate entries
|
|
** (2) Put all entries in order
|
|
** (3) Vacuum
|
|
*/
|
|
static void rebuild_database(sqlite3 *db){
|
|
int rc;
|
|
rc = sqlite3_exec(db,
|
|
"BEGIN;\n"
|
|
"CREATE TEMP TABLE dbx AS SELECT DISTINCT dbcontent FROM db;\n"
|
|
"DELETE FROM db;\n"
|
|
"INSERT INTO db(dbid, dbcontent) SELECT NULL, dbcontent FROM dbx ORDER BY 2;\n"
|
|
"DROP TABLE dbx;\n"
|
|
"CREATE TEMP TABLE sx AS SELECT DISTINCT sqltext FROM xsql;\n"
|
|
"DELETE FROM xsql;\n"
|
|
"INSERT INTO xsql(sqlid,sqltext) SELECT NULL, sqltext FROM sx ORDER BY 2;\n"
|
|
"DROP TABLE sx;\n"
|
|
"COMMIT;\n"
|
|
"PRAGMA page_size=1024;\n"
|
|
"VACUUM;\n", 0, 0, 0);
|
|
if( rc ) fatalError("cannot rebuild: %s", sqlite3_errmsg(db));
|
|
}
|
|
|
|
/*
|
|
** Return the value of a hexadecimal digit. Return -1 if the input
|
|
** is not a hex digit.
|
|
*/
|
|
static int hexDigitValue(char c){
|
|
if( c>='0' && c<='9' ) return c - '0';
|
|
if( c>='a' && c<='f' ) return c - 'a' + 10;
|
|
if( c>='A' && c<='F' ) return c - 'A' + 10;
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
** Interpret zArg as an integer value, possibly with suffixes.
|
|
*/
|
|
static int integerValue(const char *zArg){
|
|
sqlite3_int64 v = 0;
|
|
static const struct { char *zSuffix; int iMult; } aMult[] = {
|
|
{ "KiB", 1024 },
|
|
{ "MiB", 1024*1024 },
|
|
{ "GiB", 1024*1024*1024 },
|
|
{ "KB", 1000 },
|
|
{ "MB", 1000000 },
|
|
{ "GB", 1000000000 },
|
|
{ "K", 1000 },
|
|
{ "M", 1000000 },
|
|
{ "G", 1000000000 },
|
|
};
|
|
int i;
|
|
int isNeg = 0;
|
|
if( zArg[0]=='-' ){
|
|
isNeg = 1;
|
|
zArg++;
|
|
}else if( zArg[0]=='+' ){
|
|
zArg++;
|
|
}
|
|
if( zArg[0]=='0' && zArg[1]=='x' ){
|
|
int x;
|
|
zArg += 2;
|
|
while( (x = hexDigitValue(zArg[0]))>=0 ){
|
|
v = (v<<4) + x;
|
|
zArg++;
|
|
}
|
|
}else{
|
|
while( ISDIGIT(zArg[0]) ){
|
|
v = v*10 + zArg[0] - '0';
|
|
zArg++;
|
|
}
|
|
}
|
|
for(i=0; i<sizeof(aMult)/sizeof(aMult[0]); i++){
|
|
if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
|
|
v *= aMult[i].iMult;
|
|
break;
|
|
}
|
|
}
|
|
if( v>0x7fffffff ) fatalError("parameter too large - max 2147483648");
|
|
return (int)(isNeg? -v : v);
|
|
}
|
|
|
|
/*
|
|
** Print sketchy documentation for this utility program
|
|
*/
|
|
static void showHelp(void){
|
|
printf("Usage: %s [options] SOURCE-DB ?ARGS...?\n", g.zArgv0);
|
|
printf(
|
|
"Read databases and SQL scripts from SOURCE-DB and execute each script against\n"
|
|
"each database, checking for crashes and memory leaks.\n"
|
|
"Options:\n"
|
|
" --cell-size-check Set the PRAGMA cell_size_check=ON\n"
|
|
" --dbid N Use only the database where dbid=N\n"
|
|
" --export-db DIR Write databases to files(s) in DIR. Works with --dbid\n"
|
|
" --export-sql DIR Write SQL to file(s) in DIR. Also works with --sqlid\n"
|
|
" --help Show this help text\n"
|
|
" -q Reduced output\n"
|
|
" --quiet Reduced output\n"
|
|
" --limit-mem N Limit memory used by test SQLite instance to N bytes\n"
|
|
" --limit-vdbe Panic if an sync SQL runs for more than 100,000 cycles\n"
|
|
" --load-sql ARGS... Load SQL scripts fro files into SOURCE-DB\n"
|
|
" --load-db ARGS... Load template databases from files into SOURCE_DB\n"
|
|
" -m TEXT Add a description to the database\n"
|
|
" --native-vfs Use the native VFS for initially empty database files\n"
|
|
" --rebuild Rebuild and vacuum the database file\n"
|
|
" --result-trace Show the results of each SQL command\n"
|
|
" --sqlid N Use only SQL where sqlid=N\n"
|
|
" --timeout N Abort if any single test case needs more than N seconds\n"
|
|
" -v Increased output\n"
|
|
" --verbose Increased output\n"
|
|
);
|
|
}
|
|
|
|
int main(int argc, char **argv){
|
|
sqlite3_int64 iBegin; /* Start time of this program */
|
|
int quietFlag = 0; /* True if --quiet or -q */
|
|
int verboseFlag = 0; /* True if --verbose or -v */
|
|
char *zInsSql = 0; /* SQL statement for --load-db or --load-sql */
|
|
int iFirstInsArg = 0; /* First argv[] to use for --load-db or --load-sql */
|
|
sqlite3 *db = 0; /* The open database connection */
|
|
sqlite3_stmt *pStmt; /* A prepared statement */
|
|
int rc; /* Result code from SQLite interface calls */
|
|
Blob *pSql; /* For looping over SQL scripts */
|
|
Blob *pDb; /* For looping over template databases */
|
|
int i; /* Loop index for the argv[] loop */
|
|
int onlySqlid = -1; /* --sqlid */
|
|
int onlyDbid = -1; /* --dbid */
|
|
int nativeFlag = 0; /* --native-vfs */
|
|
int rebuildFlag = 0; /* --rebuild */
|
|
int vdbeLimitFlag = 0; /* --limit-vdbe */
|
|
int timeoutTest = 0; /* undocumented --timeout-test flag */
|
|
int runFlags = 0; /* Flags sent to runSql() */
|
|
char *zMsg = 0; /* Add this message */
|
|
int nSrcDb = 0; /* Number of source databases */
|
|
char **azSrcDb = 0; /* Array of source database names */
|
|
int iSrcDb; /* Loop over all source databases */
|
|
int nTest = 0; /* Total number of tests performed */
|
|
char *zDbName = ""; /* Appreviated name of a source database */
|
|
const char *zFailCode = 0; /* Value of the TEST_FAILURE environment variable */
|
|
int cellSzCkFlag = 0; /* --cell-size-check */
|
|
int sqlFuzz = 0; /* True for SQL fuzz testing. False for DB fuzz */
|
|
int iTimeout = 120; /* Default 120-second timeout */
|
|
int nMem = 0; /* Memory limit */
|
|
char *zExpDb = 0; /* Write Databases to files in this directory */
|
|
char *zExpSql = 0; /* Write SQL to files in this directory */
|
|
void *pHeap = 0; /* Heap for use by SQLite */
|
|
|
|
iBegin = timeOfDay();
|
|
#ifdef __unix__
|
|
signal(SIGALRM, timeoutHandler);
|
|
#endif
|
|
g.zArgv0 = argv[0];
|
|
zFailCode = getenv("TEST_FAILURE");
|
|
for(i=1; i<argc; i++){
|
|
const char *z = argv[i];
|
|
if( z[0]=='-' ){
|
|
z++;
|
|
if( z[0]=='-' ) z++;
|
|
if( strcmp(z,"cell-size-check")==0 ){
|
|
cellSzCkFlag = 1;
|
|
}else
|
|
if( strcmp(z,"dbid")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
onlyDbid = integerValue(argv[++i]);
|
|
}else
|
|
if( strcmp(z,"export-db")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
zExpDb = argv[++i];
|
|
}else
|
|
if( strcmp(z,"export-sql")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
zExpSql = argv[++i];
|
|
}else
|
|
if( strcmp(z,"help")==0 ){
|
|
showHelp();
|
|
return 0;
|
|
}else
|
|
if( strcmp(z,"limit-mem")==0 ){
|
|
#if !defined(SQLITE_ENABLE_MEMSYS3) && !defined(SQLITE_ENABLE_MEMSYS5)
|
|
fatalError("the %s option requires -DSQLITE_ENABLE_MEMSYS5 or _MEMSYS3",
|
|
argv[i]);
|
|
#else
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
nMem = integerValue(argv[++i]);
|
|
#endif
|
|
}else
|
|
if( strcmp(z,"limit-vdbe")==0 ){
|
|
vdbeLimitFlag = 1;
|
|
}else
|
|
if( strcmp(z,"load-sql")==0 ){
|
|
zInsSql = "INSERT INTO xsql(sqltext) VALUES(CAST(readfile(?1) AS text))";
|
|
iFirstInsArg = i+1;
|
|
break;
|
|
}else
|
|
if( strcmp(z,"load-db")==0 ){
|
|
zInsSql = "INSERT INTO db(dbcontent) VALUES(readfile(?1))";
|
|
iFirstInsArg = i+1;
|
|
break;
|
|
}else
|
|
if( strcmp(z,"m")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
zMsg = argv[++i];
|
|
}else
|
|
if( strcmp(z,"native-vfs")==0 ){
|
|
nativeFlag = 1;
|
|
}else
|
|
if( strcmp(z,"quiet")==0 || strcmp(z,"q")==0 ){
|
|
quietFlag = 1;
|
|
verboseFlag = 0;
|
|
}else
|
|
if( strcmp(z,"rebuild")==0 ){
|
|
rebuildFlag = 1;
|
|
}else
|
|
if( strcmp(z,"result-trace")==0 ){
|
|
runFlags |= SQL_OUTPUT;
|
|
}else
|
|
if( strcmp(z,"sqlid")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
onlySqlid = integerValue(argv[++i]);
|
|
}else
|
|
if( strcmp(z,"timeout")==0 ){
|
|
if( i>=argc-1 ) fatalError("missing arguments on %s", argv[i]);
|
|
iTimeout = integerValue(argv[++i]);
|
|
}else
|
|
if( strcmp(z,"timeout-test")==0 ){
|
|
timeoutTest = 1;
|
|
#ifndef __unix__
|
|
fatalError("timeout is not available on non-unix systems");
|
|
#endif
|
|
}else
|
|
if( strcmp(z,"verbose")==0 || strcmp(z,"v")==0 ){
|
|
quietFlag = 0;
|
|
verboseFlag = 1;
|
|
runFlags |= SQL_TRACE;
|
|
}else
|
|
{
|
|
fatalError("unknown option: %s", argv[i]);
|
|
}
|
|
}else{
|
|
nSrcDb++;
|
|
azSrcDb = safe_realloc(azSrcDb, nSrcDb*sizeof(azSrcDb[0]));
|
|
azSrcDb[nSrcDb-1] = argv[i];
|
|
}
|
|
}
|
|
if( nSrcDb==0 ) fatalError("no source database specified");
|
|
if( nSrcDb>1 ){
|
|
if( zMsg ){
|
|
fatalError("cannot change the description of more than one database");
|
|
}
|
|
if( zInsSql ){
|
|
fatalError("cannot import into more than one database");
|
|
}
|
|
}
|
|
|
|
/* Process each source database separately */
|
|
for(iSrcDb=0; iSrcDb<nSrcDb; iSrcDb++){
|
|
rc = sqlite3_open(azSrcDb[iSrcDb], &db);
|
|
if( rc ){
|
|
fatalError("cannot open source database %s - %s",
|
|
azSrcDb[iSrcDb], sqlite3_errmsg(db));
|
|
}
|
|
rc = sqlite3_exec(db,
|
|
"CREATE TABLE IF NOT EXISTS db(\n"
|
|
" dbid INTEGER PRIMARY KEY, -- database id\n"
|
|
" dbcontent BLOB -- database disk file image\n"
|
|
");\n"
|
|
"CREATE TABLE IF NOT EXISTS xsql(\n"
|
|
" sqlid INTEGER PRIMARY KEY, -- SQL script id\n"
|
|
" sqltext TEXT -- Text of SQL statements to run\n"
|
|
");"
|
|
"CREATE TABLE IF NOT EXISTS readme(\n"
|
|
" msg TEXT -- Human-readable description of this file\n"
|
|
");", 0, 0, 0);
|
|
if( rc ) fatalError("cannot create schema: %s", sqlite3_errmsg(db));
|
|
if( zMsg ){
|
|
char *zSql;
|
|
zSql = sqlite3_mprintf(
|
|
"DELETE FROM readme; INSERT INTO readme(msg) VALUES(%Q)", zMsg);
|
|
rc = sqlite3_exec(db, zSql, 0, 0, 0);
|
|
sqlite3_free(zSql);
|
|
if( rc ) fatalError("cannot change description: %s", sqlite3_errmsg(db));
|
|
}
|
|
if( zInsSql ){
|
|
sqlite3_create_function(db, "readfile", 1, SQLITE_UTF8, 0,
|
|
readfileFunc, 0, 0);
|
|
rc = sqlite3_prepare_v2(db, zInsSql, -1, &pStmt, 0);
|
|
if( rc ) fatalError("cannot prepare statement [%s]: %s",
|
|
zInsSql, sqlite3_errmsg(db));
|
|
rc = sqlite3_exec(db, "BEGIN", 0, 0, 0);
|
|
if( rc ) fatalError("cannot start a transaction");
|
|
for(i=iFirstInsArg; i<argc; i++){
|
|
sqlite3_bind_text(pStmt, 1, argv[i], -1, SQLITE_STATIC);
|
|
sqlite3_step(pStmt);
|
|
rc = sqlite3_reset(pStmt);
|
|
if( rc ) fatalError("insert failed for %s", argv[i]);
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
rc = sqlite3_exec(db, "COMMIT", 0, 0, 0);
|
|
if( rc ) fatalError("cannot commit the transaction: %s", sqlite3_errmsg(db));
|
|
rebuild_database(db);
|
|
sqlite3_close(db);
|
|
return 0;
|
|
}
|
|
if( zExpDb!=0 || zExpSql!=0 ){
|
|
sqlite3_create_function(db, "writefile", 2, SQLITE_UTF8, 0,
|
|
writefileFunc, 0, 0);
|
|
if( zExpDb!=0 ){
|
|
const char *zExDb =
|
|
"SELECT writefile(printf('%s/db%06d.db',?1,dbid),dbcontent),"
|
|
" dbid, printf('%s/db%06d.db',?1,dbid), length(dbcontent)"
|
|
" FROM db WHERE ?2<0 OR dbid=?2;";
|
|
rc = sqlite3_prepare_v2(db, zExDb, -1, &pStmt, 0);
|
|
if( rc ) fatalError("cannot prepare statement [%s]: %s",
|
|
zExDb, sqlite3_errmsg(db));
|
|
sqlite3_bind_text64(pStmt, 1, zExpDb, strlen(zExpDb),
|
|
SQLITE_STATIC, SQLITE_UTF8);
|
|
sqlite3_bind_int(pStmt, 2, onlyDbid);
|
|
while( sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
printf("write db-%d (%d bytes) into %s\n",
|
|
sqlite3_column_int(pStmt,1),
|
|
sqlite3_column_int(pStmt,3),
|
|
sqlite3_column_text(pStmt,2));
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
}
|
|
if( zExpSql!=0 ){
|
|
const char *zExSql =
|
|
"SELECT writefile(printf('%s/sql%06d.txt',?1,sqlid),sqltext),"
|
|
" sqlid, printf('%s/sql%06d.txt',?1,sqlid), length(sqltext)"
|
|
" FROM xsql WHERE ?2<0 OR sqlid=?2;";
|
|
rc = sqlite3_prepare_v2(db, zExSql, -1, &pStmt, 0);
|
|
if( rc ) fatalError("cannot prepare statement [%s]: %s",
|
|
zExSql, sqlite3_errmsg(db));
|
|
sqlite3_bind_text64(pStmt, 1, zExpSql, strlen(zExpSql),
|
|
SQLITE_STATIC, SQLITE_UTF8);
|
|
sqlite3_bind_int(pStmt, 2, onlySqlid);
|
|
while( sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
printf("write sql-%d (%d bytes) into %s\n",
|
|
sqlite3_column_int(pStmt,1),
|
|
sqlite3_column_int(pStmt,3),
|
|
sqlite3_column_text(pStmt,2));
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
}
|
|
sqlite3_close(db);
|
|
return 0;
|
|
}
|
|
|
|
/* Load all SQL script content and all initial database images from the
|
|
** source db
|
|
*/
|
|
blobListLoadFromDb(db, "SELECT sqlid, sqltext FROM xsql", onlySqlid,
|
|
&g.nSql, &g.pFirstSql);
|
|
if( g.nSql==0 ) fatalError("need at least one SQL script");
|
|
blobListLoadFromDb(db, "SELECT dbid, dbcontent FROM db", onlyDbid,
|
|
&g.nDb, &g.pFirstDb);
|
|
if( g.nDb==0 ){
|
|
g.pFirstDb = safe_realloc(0, sizeof(Blob));
|
|
memset(g.pFirstDb, 0, sizeof(Blob));
|
|
g.pFirstDb->id = 1;
|
|
g.pFirstDb->seq = 0;
|
|
g.nDb = 1;
|
|
sqlFuzz = 1;
|
|
}
|
|
|
|
/* Print the description, if there is one */
|
|
if( !quietFlag ){
|
|
zDbName = azSrcDb[iSrcDb];
|
|
i = strlen(zDbName) - 1;
|
|
while( i>0 && zDbName[i-1]!='/' && zDbName[i-1]!='\\' ){ i--; }
|
|
zDbName += i;
|
|
sqlite3_prepare_v2(db, "SELECT msg FROM readme", -1, &pStmt, 0);
|
|
if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
printf("%s: %s\n", zDbName, sqlite3_column_text(pStmt,0));
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
}
|
|
|
|
/* Rebuild the database, if requested */
|
|
if( rebuildFlag ){
|
|
if( !quietFlag ){
|
|
printf("%s: rebuilding... ", zDbName);
|
|
fflush(stdout);
|
|
}
|
|
rebuild_database(db);
|
|
if( !quietFlag ) printf("done\n");
|
|
}
|
|
|
|
/* Close the source database. Verify that no SQLite memory allocations are
|
|
** outstanding.
|
|
*/
|
|
sqlite3_close(db);
|
|
if( sqlite3_memory_used()>0 ){
|
|
fatalError("SQLite has memory in use before the start of testing");
|
|
}
|
|
|
|
/* Limit available memory, if requested */
|
|
if( nMem>0 ){
|
|
sqlite3_shutdown();
|
|
pHeap = malloc(nMem);
|
|
if( pHeap==0 ){
|
|
fatalError("failed to allocate %d bytes of heap memory", nMem);
|
|
}
|
|
sqlite3_config(SQLITE_CONFIG_HEAP, pHeap, nMem, 128);
|
|
}
|
|
|
|
/* Register the in-memory virtual filesystem
|
|
*/
|
|
formatVfs();
|
|
inmemVfsRegister();
|
|
|
|
/* Run a test using each SQL script against each database.
|
|
*/
|
|
if( !verboseFlag && !quietFlag ) printf("%s:", zDbName);
|
|
for(pSql=g.pFirstSql; pSql; pSql=pSql->pNext){
|
|
for(pDb=g.pFirstDb; pDb; pDb=pDb->pNext){
|
|
int openFlags;
|
|
const char *zVfs = "inmem";
|
|
sqlite3_snprintf(sizeof(g.zTestName), g.zTestName, "sqlid=%d,dbid=%d",
|
|
pSql->id, pDb->id);
|
|
if( verboseFlag ){
|
|
printf("%s\n", g.zTestName);
|
|
fflush(stdout);
|
|
}else if( !quietFlag ){
|
|
static int prevAmt = -1;
|
|
int idx = pSql->seq*g.nDb + pDb->id - 1;
|
|
int amt = idx*10/(g.nDb*g.nSql);
|
|
if( amt!=prevAmt ){
|
|
printf(" %d%%", amt*10);
|
|
fflush(stdout);
|
|
prevAmt = amt;
|
|
}
|
|
}
|
|
createVFile("main.db", pDb->sz, pDb->a);
|
|
openFlags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE;
|
|
if( nativeFlag && pDb->sz==0 ){
|
|
openFlags |= SQLITE_OPEN_MEMORY;
|
|
zVfs = 0;
|
|
}
|
|
rc = sqlite3_open_v2("main.db", &db, openFlags, zVfs);
|
|
if( rc ) fatalError("cannot open inmem database");
|
|
if( cellSzCkFlag ) runSql(db, "PRAGMA cell_size_check=ON", runFlags);
|
|
setAlarm(iTimeout);
|
|
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
|
|
if( sqlFuzz || vdbeLimitFlag ){
|
|
sqlite3_progress_handler(db, 100000, progressHandler, &vdbeLimitFlag);
|
|
}
|
|
#endif
|
|
do{
|
|
runSql(db, (char*)pSql->a, runFlags);
|
|
}while( timeoutTest );
|
|
setAlarm(0);
|
|
sqlite3_close(db);
|
|
if( sqlite3_memory_used()>0 ) fatalError("memory leak");
|
|
reformatVfs();
|
|
nTest++;
|
|
g.zTestName[0] = 0;
|
|
|
|
/* Simulate an error if the TEST_FAILURE environment variable is "5".
|
|
** This is used to verify that automated test script really do spot
|
|
** errors that occur in this test program.
|
|
*/
|
|
if( zFailCode ){
|
|
if( zFailCode[0]=='5' && zFailCode[1]==0 ){
|
|
fatalError("simulated failure");
|
|
}else if( zFailCode[0]!=0 ){
|
|
/* If TEST_FAILURE is something other than 5, just exit the test
|
|
** early */
|
|
printf("\nExit early due to TEST_FAILURE being set\n");
|
|
iSrcDb = nSrcDb-1;
|
|
goto sourcedb_cleanup;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if( !quietFlag && !verboseFlag ){
|
|
printf(" 100%% - %d tests\n", g.nDb*g.nSql);
|
|
}
|
|
|
|
/* Clean up at the end of processing a single source database
|
|
*/
|
|
sourcedb_cleanup:
|
|
blobListFree(g.pFirstSql);
|
|
blobListFree(g.pFirstDb);
|
|
reformatVfs();
|
|
|
|
} /* End loop over all source databases */
|
|
|
|
if( !quietFlag ){
|
|
sqlite3_int64 iElapse = timeOfDay() - iBegin;
|
|
printf("fuzzcheck: 0 errors out of %d tests in %d.%03d seconds\n"
|
|
"SQLite %s %s\n",
|
|
nTest, (int)(iElapse/1000), (int)(iElapse%1000),
|
|
sqlite3_libversion(), sqlite3_sourceid());
|
|
}
|
|
free(azSrcDb);
|
|
free(pHeap);
|
|
return 0;
|
|
}
|