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hopefully fixed #62370 (segfaults during operations on disconnected handle

This commit is contained in:
Kenichi Ishigaki 2010-11-03 13:44:04 +00:00
parent 3ab8e9d709
commit 8b35bb979a
4 changed files with 288 additions and 10 deletions

View file

@ -6,6 +6,8 @@ Changes for Perl extension DBD-SQLite
- Resolved #61361: Problems building 1.31 with system SQLite (ISHIGAKI)
- Resolved #61117: Supporting database as an alias for dbname in
DSN (ISHIGAKI)
- Resolved #62370: Segfaults during operations on disconnected
handles (ISHIGAKI)
1.31 Wed 15 Sep 2010
- Production release, identical to 1.30_06

108
dbdimp.c
View file

@ -272,6 +272,11 @@ sqlite_db_commit(SV *dbh, imp_dbh_t *imp_dbh)
dTHX;
int rc;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to commit on inactive database handle");
return FALSE;
}
if (DBIc_is(imp_dbh, DBIcf_AutoCommit)) {
/* We don't need to warn, because the DBI layer will do it for us */
return TRUE;
@ -302,6 +307,11 @@ sqlite_db_rollback(SV *dbh, imp_dbh_t *imp_dbh)
dTHX;
int rc;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to rollback on inactive database handle");
return FALSE;
}
if (DBIc_is(imp_dbh, DBIcf_BegunWork)) {
DBIc_off(imp_dbh, DBIcf_BegunWork);
DBIc_on(imp_dbh, DBIcf_AutoCommit);
@ -370,7 +380,6 @@ sqlite_db_disconnect(SV *dbh, imp_dbh_t *imp_dbh)
sqlite_error(dbh, rc, sqlite3_errmsg(imp_dbh->db));
}
}
imp_dbh->db = NULL;
av_undef(imp_dbh->functions);
SvREFCNT_dec(imp_dbh->functions);
@ -394,6 +403,8 @@ sqlite_db_destroy(SV *dbh, imp_dbh_t *imp_dbh)
if (DBIc_ACTIVE(imp_dbh)) {
sqlite_db_disconnect(dbh, imp_dbh);
}
imp_dbh->db = NULL;
DBIc_IMPSET_off(imp_dbh);
}
@ -409,7 +420,7 @@ sqlite_db_STORE_attrib(SV *dbh, imp_dbh_t *imp_dbh, SV *keysv, SV *valuesv)
if (strEQ(key, "AutoCommit")) {
if (SvTRUE(valuesv)) {
/* commit tran? */
if ( (!DBIc_is(imp_dbh, DBIcf_AutoCommit)) && (!sqlite3_get_autocommit(imp_dbh->db)) ) {
if ( DBIc_ACTIVE(imp_dbh) && (!DBIc_is(imp_dbh, DBIcf_AutoCommit)) && (!sqlite3_get_autocommit(imp_dbh->db)) ) {
sqlite_trace(dbh, imp_dbh, 3, "COMMIT TRAN");
rc = sqlite_exec(dbh, "COMMIT TRANSACTION");
if (rc != SQLITE_OK) {
@ -491,6 +502,11 @@ sqlite_db_last_insert_id(SV *dbh, imp_dbh_t *imp_dbh, SV *catalog, SV *schema, S
{
dTHX;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to get last inserted id on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
return sv_2mortal(newSViv((IV)sqlite3_last_insert_rowid(imp_dbh->db)));
@ -505,14 +521,14 @@ sqlite_st_prepare(SV *sth, imp_sth_t *imp_sth, char *statement, SV *attribs)
D_imp_dbh_from_sth;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(sth, -2, "attempt to prepare on inactive database handle");
return FALSE; /* -> undef in lib/DBD/SQLite.pm */
sqlite_error(sth, -2, "attempt to prepare on inactive database handle");
return FALSE; /* -> undef in lib/DBD/SQLite.pm */
}
#if 0
if (*statement == '\0') {
sqlite_error(sth, -2, "attempt to prepare empty statement");
return FALSE; /* -> undef in lib/DBD/SQLite.pm */
sqlite_error(sth, -2, "attempt to prepare empty statement");
return FALSE; /* -> undef in lib/DBD/SQLite.pm */
}
#endif
@ -757,6 +773,11 @@ sqlite_st_fetch(SV *sth, imp_sth_t *imp_sth)
int chopBlanks = DBIc_is(imp_sth, DBIcf_ChopBlanks);
int i;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(sth, -2, "attempt to fetch on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
croak_if_stmt_is_null();
@ -1116,6 +1137,10 @@ sqlite_db_busy_timeout(pTHX_ SV *dbh, int timeout )
if (timeout) {
imp_dbh->timeout = timeout;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set busy timeout on inactive database handle");
return -2;
}
sqlite3_busy_timeout(imp_dbh->db, timeout);
}
return imp_dbh->timeout;
@ -1213,9 +1238,15 @@ sqlite_db_create_function(pTHX_ SV *dbh, const char *name, int argc, SV *func)
{
D_imp_dbh(dbh);
int rc;
SV *func_sv;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to create function on inactive database handle");
return FALSE;
}
/* Copy the function reference */
SV *func_sv = newSVsv(func);
func_sv = newSVsv(func);
av_push( imp_dbh->functions, func_sv );
croak_if_db_is_null();
@ -1239,6 +1270,11 @@ sqlite_db_enable_load_extension(pTHX_ SV *dbh, int onoff)
D_imp_dbh(dbh);
int rc;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to enable load extension on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
/* COMPAT: sqlite3_enable_load_extension is only available for 3003006 or newer */
@ -1443,9 +1479,15 @@ sqlite_db_create_aggregate(pTHX_ SV *dbh, const char *name, int argc, SV *aggr_p
{
D_imp_dbh(dbh);
int rc;
SV *aggr_pkg_copy;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to create aggregate on inactive database handle");
return FALSE;
}
/* Copy the aggregate reference */
SV *aggr_pkg_copy = newSVsv(aggr_pkg);
aggr_pkg_copy = newSVsv(aggr_pkg);
av_push( imp_dbh->aggregates, aggr_pkg_copy );
croak_if_db_is_null();
@ -1539,6 +1581,11 @@ sqlite_db_create_collation(pTHX_ SV *dbh, const char *name, SV *func)
SV *func_sv = newSVsv(func);
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to create collation on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
/* Check that this is a proper collation function */
@ -1603,6 +1650,11 @@ sqlite_db_collation_needed(pTHX_ SV *dbh, SV *callback)
{
D_imp_dbh(dbh);
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to see if collation is needed on inactive database handle");
return;
}
croak_if_db_is_null();
/* remember the callback within the dbh */
@ -1645,6 +1697,11 @@ sqlite_db_progress_handler(pTHX_ SV *dbh, int n_opcodes, SV *handler)
{
D_imp_dbh(dbh);
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set progress handler on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
if (!SvOK(handler)) {
@ -1671,6 +1728,11 @@ sqlite_db_commit_hook(pTHX_ SV *dbh, SV *hook)
D_imp_dbh(dbh);
void *retval;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set commit hook on inactive database handle");
return &PL_sv_undef;
}
croak_if_db_is_null();
if (!SvOK(hook)) {
@ -1698,6 +1760,11 @@ sqlite_db_rollback_hook(pTHX_ SV *dbh, SV *hook)
D_imp_dbh(dbh);
void *retval;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set rollback hook on inactive database handle");
return &PL_sv_undef;
}
croak_if_db_is_null();
if (!SvOK(hook)) {
@ -1752,6 +1819,11 @@ sqlite_db_update_hook(pTHX_ SV *dbh, SV *hook)
D_imp_dbh(dbh);
void *retval;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set update hook on inactive database handle");
return &PL_sv_undef;
}
croak_if_db_is_null();
if (!SvOK(hook)) {
@ -1823,6 +1895,11 @@ sqlite_db_set_authorizer(pTHX_ SV *dbh, SV *authorizer)
D_imp_dbh(dbh);
int retval;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to set authorizer on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
if (!SvOK(authorizer)) {
@ -1859,6 +1936,11 @@ sqlite_db_backup_from_file(pTHX_ SV *dbh, char *filename)
sqlite3 *pFrom;
sqlite3_backup *pBackup;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to backup from file on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
rc = sqlite_open(filename, &pFrom);
@ -1902,6 +1984,11 @@ sqlite_db_backup_to_file(pTHX_ SV *dbh, char *filename)
sqlite3 *pTo;
sqlite3_backup *pBackup;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to backup to file on inactive database handle");
return FALSE;
}
croak_if_db_is_null();
rc = sqlite_open(filename, &pTo);
@ -2197,6 +2284,11 @@ int sqlite_db_register_fts3_perl_tokenizer(pTHX_ SV *dbh)
const char zSql[] = "SELECT fts3_tokenizer(?, ?)";
sqlite3_tokenizer_module *p = &perl_tokenizer_Module;
if (!DBIc_ACTIVE(imp_dbh)) {
sqlite_error(dbh, -2, "attempt to register fts3 tokenizer on inactive database handle");
return FALSE;
}
rc = sqlite3_prepare_v2(imp_dbh->db, zSql, -1, &pStmt, 0);
if( rc!=SQLITE_OK ){
return rc;

View file

@ -82,8 +82,10 @@ foreach my $call_func (@CALL_FUNCS) {
# avoid resource collisions after fork
# http://www.slideshare.net/kazuho/un-5457977
$dbh->{InactiveDestroy} = 1;
undef $dbh;
unless ($^O eq 'MSWin32') { # ignore fork emulation
$dbh->{InactiveDestroy} = 1;
undef $dbh;
}
my $dbh2 = DBI->connect("dbi:SQLite:$dbfile", '', '',
{

View file

@ -0,0 +1,182 @@
#!/usr/bin/perl
use strict;
BEGIN {
$| = 1;
$^W = 1;
}
use t::lib::Test qw/connect_ok @CALL_FUNCS/;
use Test::More;
use DBD::SQLite;
#use Test::NoWarnings;
my @methods = qw(
commit rollback
);
plan tests => 2 * (6 + @methods) + 2 * @CALL_FUNCS * (14 + ($DBD::SQLite::sqlite_version_number >= 3006011) * 2);
local $SIG{__WARN__} = sub {}; # to hide warnings/error messages
# DBI methods
for my $autocommit (0, 1) {
my $dbh = connect_ok( RaiseError => 1, PrintError => 0, AutoCommit => $autocommit );
$dbh->do('create table foo (id, text)');
$dbh->do('insert into foo values(?,?)', undef, 1, 'text');
{
local $@;
eval { $dbh->disconnect };
ok !$@, "disconnected";
}
for my $method (@methods) {
local $@;
eval { $dbh->$method };
ok $@, "$method dies with error: $@";
}
{
local $@;
eval { $dbh->last_insert_id(undef, undef, undef, undef) };
ok $@, "last_insert_id dies with error: $@";
}
{
local $@;
eval { $dbh->do('insert into foo (?,?)', undef, 2, 'text2') };
ok $@, "do dies with error: $@";
}
{
local $@;
eval { $dbh->selectrow_arrayref('select * from foo') };
ok $@, "selectrow_arrayref dies with error: $@";
}
{ # this should be the last test in this block
local $@;
eval { local $dbh->{AutoCommit} };
ok !$@, "store doesn't cause segfault";
}
}
# SQLite private methods
for my $call_func (@CALL_FUNCS) {
for my $autocommit (0, 1) {
my $dbh = connect_ok( RaiseError => 1, PrintError => 0, AutoCommit => $autocommit );
$dbh->do('create table foo (id, text)');
$dbh->do('insert into foo values(?,?)', undef, 1, 'text');
{
local $@;
eval { $dbh->disconnect };
ok !$@, "disconnected";
}
{
local $@;
eval { $dbh->$call_func(500, 'busy_timeout') };
ok $@, "busy timeout dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func('now', 0, sub { time }, 'create_function') };
ok $@, "create_function dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(1, 'enable_load_extension') };
ok $@, "enable_load_extension dies with error: $@";
}
{
package count_aggr;
sub new {
bless { count => 0 }, shift;
}
sub step {
$_[0]{count}++;
return;
}
sub finalize {
my $c = $_[0]{count};
$_[0]{count} = undef;
return $c;
}
package main;
local $@;
eval { $dbh->$call_func('newcount', 0, 'count_aggr', 'create_aggregate') };
ok $@, "create_aggregate dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func('by_num', sub ($$) {0}, 'create_collation') };
ok $@, "create_collation dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func('by_num', sub ($$) {0}, 'create_collation') };
ok $@, "create_collation dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(sub {1}, 'collation_needed') };
ok $@, "collation_needed dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(50, sub {}, 'progress_handler') };
ok $@, "progress_handler dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(sub {}, 'commit_hook') };
ok $@, "commit hook dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(sub {}, 'rollback_hook') };
ok $@, "rollback hook dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(sub {}, 'update_hook') };
ok $@, "update hook dies with error: $@";
}
{
local $@;
eval { $dbh->$call_func(undef, 'set_authorizer') };
ok $@, "set authorizer dies with error: $@";
}
if ($DBD::SQLite::sqlite_version_number >= 3006011) {
local $@;
eval { $dbh->$call_func('./backup_file', 'backup_from_file') };
ok $@, "backup from file dies with error: $@";
}
if ($DBD::SQLite::sqlite_version_number >= 3006011) {
local $@;
eval { $dbh->$call_func('./backup_file', 'backup_to_file') };
ok $@, "backup to file dies with error: $@";
}
}
}