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* io.c (read_all): block string buffer modification during

Browse source 
rb_io_fread() by freezing it temporarily. [ruby-dev:24479]

* dir.c (rb_push_glob): block call at once the end of method.
  [ruby-dev:24487]

* ext/enumerator/enumerator.c (enum_each_slice): remove
  rb_gc_force_recycle() to prevent potential SEGV.
  [ruby-dev:24499]

* ext/zlib/zlib.c (zstream_expand_buffer): hide internal string
  buffer by clearing klass.  [ruby-dev:24510]

* ext/socket/socket.c (sock_s_getservbyaname): protocol string
  might be altered.  [ruby-dev:24503]

* string.c (rb_str_upto): check if return value from succ is a
  string.  [ruby-dev:24504]

* io.c (rb_io_popen): get mode string via rb_io_flags_mode() to
  avoid mode string modification.  [ruby-dev:24454]

* io.c (rb_io_getline_fast): should take delim as unsigned char to
  distinguish EOF and '\377'.  [ruby-dev:24460]

* io.c (rb_io_getline): add check for RS modification.
  [ruby-dev:24461]

* enum.c (enum_sort_by): use qsort() directly instead using
  rb_iterate().  [ruby-dev:24462]

* enum.c (enum_each_with_index): remove rb_gc_force_recycle() to
  prevent access to recycled object (via continuation for
  example).  [ruby-dev:24463]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-10-19 10:25:23 +00:00
parent c0700eba8d
commit 1057902ac7
19 changed files with 126 additions and 124 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
ChangeLog
View file

@ -1,3 +1,18 @@
Tue Oct 19 17:24:11 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (read_all): block string buffer modification during
rb_io_fread() by freezing it temporarily. [ruby-dev:24479]
* dir.c (rb_push_glob): block call at once the end of method.
[ruby-dev:24487]
* ext/enumerator/enumerator.c (enum_each_slice): remove
rb_gc_force_recycle() to prevent potential SEGV.
[ruby-dev:24499]
* ext/zlib/zlib.c (zstream_expand_buffer): hide internal string
buffer by clearing klass. [ruby-dev:24510]
Tue Oct 19 08:47:21 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_str_upto): method result must be checked. [ruby-dev:24504]
@ -24,6 +39,14 @@ Mon Oct 18 01:56:03 2004 GOTOU Yuuzou <gotoyuzo@notwork.org>
* lib/webrick/httprequest.rb (WEBrick::HTTPRequest#initialize):
initial value of accpet-* should be array.
Mon Oct 18 00:42:45 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* ext/socket/socket.c (sock_s_getservbyaname): protocol string
might be altered. [ruby-dev:24503]
* string.c (rb_str_upto): check if return value from succ is a
string. [ruby-dev:24504]
Sun Oct 17 23:03:48 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk/timer.rb: TkTimer#start and restart accept a block
@ -113,6 +136,24 @@ Tue Oct 12 15:05:32 2004 WATANABE Hirofumi <eban@ruby-lang.org>
* io.c (MODE_BINMODE, MODE_BINARY): fixed reversed condition.
Mon Oct 11 17:51:34 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (rb_io_popen): get mode string via rb_io_flags_mode() to
avoid mode string modification. [ruby-dev:24454]
* io.c (rb_io_getline_fast): should take delim as unsigned char to
distinguish EOF and '\377'. [ruby-dev:24460]
* io.c (rb_io_getline): add check for RS modification.
[ruby-dev:24461]
* enum.c (enum_sort_by): use qsort() directly instead using
rb_iterate(). [ruby-dev:24462]
* enum.c (enum_each_with_index): remove rb_gc_force_recycle() to
prevent access to recycled object (via continuation for
example). [ruby-dev:24463]
Mon Oct 11 13:48:20 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk/*: untabify
@ -144,6 +185,11 @@ Sat Oct 9 19:50:36 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
* io.c (rb_io_getline): should not treat char as negative value.
[ruby-dev:24460]
Sat Oct 9 00:25:39 2004 Tanaka Akira <akr@m17n.org>
* io.c (rb_io_fread): rb_thread_wait_fd() was lost.
[ruby-dev:24457]
Fri Oct 8 21:36:56 2004 Minero Aoki <aamine@loveruby.net>
* lib/fileutils.rb (fu_traverse): return value of Dir.entries is

19
dir.c
View file

@ -1403,14 +1403,7 @@ push_pattern(path, ary)
const char *path;
VALUE ary;
{
VALUE str = rb_tainted_str_new2(path);
if (!NIL_P(ary)) {
rb_ary_push(ary, str);
}
else {
rb_yield(str);
}
rb_ary_push(ary, rb_tainted_str_new2(path));
}
static int
@ -1478,13 +1471,9 @@ rb_push_glob(str, flags) /* '\0' is delimiter */
const char *p, *pend;
VALUE ary;
if (rb_block_given_p())
ary = Qnil;
else
ary = rb_ary_new();
FilePathValue(str);
ary = rb_ary_new();
p = RSTRING(str)->ptr;
pend = p + RSTRING(str)->len;
@ -1497,6 +1486,10 @@ rb_push_glob(str, flags) /* '\0' is delimiter */
else p++;
}
if (rb_block_given_p()) {
rb_ary_each(ary);
return Qnil;
}
return ary;
}

31
enum.c
View file

@ -117,11 +117,8 @@ enum_find(argc, argv, obj)
rb_scan_args(argc, argv, "01", &if_none);
rb_iterate(rb_each, obj, find_i, (VALUE)memo);
if (memo->u2.value) {
VALUE result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
return memo->u1.value;
}
rb_gc_force_recycle((VALUE)memo);
if (!NIL_P(if_none)) {
return rb_funcall(if_none, rb_intern("call"), 0, 0);
}
@ -319,7 +316,6 @@ enum_inject(argc, argv, obj)
}
rb_iterate(rb_each, obj, inject_i, (VALUE)memo);
n = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return n;
}
@ -401,17 +397,14 @@ sort_by_i(i, ary)
return Qnil;
}
static VALUE
sort_by_cmp(values, ary)
VALUE values, ary;
static int
sort_by_cmp(aa, bb)
NODE **aa, **bb;
{
NODE *a = (NODE*)RARRAY(values)->ptr[0];
NODE *b = (NODE*)RARRAY(values)->ptr[1];
VALUE a = aa[0]->u1.value;
VALUE b = bb[0]->u1.value;
/* pedantic check; they must be memo nodes */
Check_Type(a, T_NODE);
Check_Type(b, T_NODE);
return rb_funcall(a->u1.value, id_cmp, 1, b->u1.value);
return rb_cmpint(rb_funcall(a, id_cmp, 1, b), a, b);
}
/*
@ -499,7 +492,7 @@ enum_sort_by(obj)
RBASIC(ary)->klass = 0;
rb_iterate(rb_each, obj, sort_by_i, ary);
if (RARRAY(ary)->len > 1) {
rb_iterate(rb_ary_sort_bang, ary, sort_by_cmp, ary);
qsort(RARRAY(ary)->ptr, RARRAY(ary)->len, sizeof(VALUE), sort_by_cmp, 0);
}
for (i=0; i<RARRAY(ary)->len; i++) {
RARRAY(ary)->ptr[i] = RNODE(RARRAY(ary)->ptr[i])->u2.value;
@ -559,7 +552,6 @@ enum_all(obj)
memo->u1.value = Qtrue;
rb_iterate(rb_each, obj, rb_block_given_p() ? all_iter_i : all_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -615,7 +607,6 @@ enum_any(obj)
memo->u1.value = Qfalse;
rb_iterate(rb_each, obj, rb_block_given_p() ? any_iter_i : any_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -681,7 +672,6 @@ enum_min(obj)
rb_iterate(rb_each, obj, rb_block_given_p() ? min_ii : min_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -746,7 +736,6 @@ enum_max(obj)
rb_iterate(rb_each, obj, rb_block_given_p() ? max_ii : max_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -789,7 +778,6 @@ enum_min_by(obj)
rb_iterate(rb_each, obj, min_by_i, (VALUE)memo);
result = memo->u2.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -832,7 +820,6 @@ enum_max_by(obj)
rb_iterate(rb_each, obj, max_by_i, (VALUE)memo);
result = memo->u2.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -870,7 +857,6 @@ enum_member(obj, val)
rb_iterate(rb_each, obj, member_i, (VALUE)memo);
result = memo->u2.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -906,7 +892,6 @@ enum_each_with_index(obj)
NODE *memo = rb_node_newnode(NODE_MEMO, 0, 0, 0);
rb_iterate(rb_each, obj, each_with_index_i, (VALUE)memo);
rb_gc_force_recycle((VALUE)memo);
return obj;
}

6
eval.c
View file

@ -8264,7 +8264,7 @@ proc_eq(self, other)
*/
static VALUE
proc_hash(self, other)
proc_hash(self)
VALUE self;
{
struct BLOCK *data;
@ -8288,8 +8288,8 @@ proc_hash(self, other)
*/
static VALUE
proc_to_s(self, other)
VALUE self, other;
proc_to_s(self)
VALUE self;
{
struct BLOCK *data;
NODE *node;

2
ext/bigdecimal/bigdecimal.c
View file

@ -579,7 +579,7 @@ BigDecimal_ge(VALUE self, VALUE r)
}
static VALUE
BigDecimal_neg(VALUE self, VALUE r)
BigDecimal_neg(VALUE self)
{
ENTER(5);
Real *c, *a;

2
ext/dbm/dbm.c
View file

@ -734,7 +734,7 @@ Init_dbm()
rb_define_method(rb_cDBM, "[]=", fdbm_store, 2);
rb_define_method(rb_cDBM, "store", fdbm_store, 2);
rb_define_method(rb_cDBM, "index", fdbm_index, 1);
rb_define_method(rb_cDBM, "select", fdbm_select, -1);
rb_define_method(rb_cDBM, "select", fdbm_select, 0);
rb_define_method(rb_cDBM, "values_at", fdbm_values_at, -1);
rb_define_method(rb_cDBM, "length", fdbm_length, 0);
rb_define_method(rb_cDBM, "size", fdbm_length, 0);

3
ext/enumerator/enumerator.c
View file

@ -70,7 +70,6 @@ enum_each_slice(obj, n)
ary = memo->u1.value;
if (RARRAY(ary)->len > 0) rb_yield(ary);
rb_gc_force_recycle((VALUE)memo);
return Qnil;
}
@ -114,7 +113,6 @@ enum_each_cons(obj, n)
rb_iterate(rb_each, obj, each_cons_i, (VALUE)memo);
rb_gc_force_recycle((VALUE)memo);
return Qnil;
}
@ -163,7 +161,6 @@ enumerator_each(obj)
rb_to_id(rb_ivar_get(obj, id_enum_method)),
rb_ivar_get(obj, id_enum_args));
val = rb_iterate((VALUE (*)_((VALUE)))enumerator_iter, obj, rb_yield, 0);
rb_gc_force_recycle(obj);
return val;
}

16
ext/socket/socket.c
View file

@ -2217,27 +2217,25 @@ sock_s_getservbyaname(argc, argv)
int argc;
VALUE *argv;
{
VALUE service, protocol;
char *proto;
VALUE service, proto;
struct servent *sp;
int port;
rb_scan_args(argc, argv, "11", &service, &protocol);
if (NIL_P(protocol)) proto = "tcp";
else proto = StringValuePtr(protocol);
rb_scan_args(argc, argv, "11", &service, &proto);
if (NIL_P(proto)) proto = rb_str_new2("tcp");
else StringValue(proto);
StringValue(service);
sp = getservbyname((char*)RSTRING(service)->ptr, proto);
sp = getservbyname((char*)RSTRING(service)->ptr, RSTRING(proto)->ptr);
if (sp) {
port = ntohs(sp->s_port);
}
else {
char *s = RSTRING(service)->ptr;
char *s = StringValuePtr(service);
char *end;
port = strtoul(s, &end, 0);
if (*end != '\0') {
rb_raise(rb_eSocket, "no such service %s/%s", s, proto);
rb_raise(rb_eSocket, "no such service %s/%s", s, RSTRING(proto)->ptr);
}
}
return INT2FIX(port);

6
ext/win32ole/win32ole.c
View file

@ -2758,7 +2758,7 @@ static VALUE
fole_get_methods( self )
VALUE self;
{
return ole_methods( self, INVOKE_PROPERTYGET);
return ole_methods(self, INVOKE_PROPERTYGET);
}
/*
@ -2770,7 +2770,7 @@ static VALUE
fole_put_methods( self )
VALUE self;
{
return ole_methods( self, INVOKE_PROPERTYPUT);
return ole_methods(self, INVOKE_PROPERTYPUT);
}
/*
@ -2782,7 +2782,7 @@ static VALUE
fole_func_methods( self )
VALUE self;
{
return ole_methods( self, INVOKE_FUNC);
return ole_methods(self, INVOKE_FUNC);
}
/*

3
ext/zlib/zlib.c
View file

@ -439,6 +439,7 @@ zstream_expand_buffer(z)
z->buf_filled = 0;
z->stream.next_out = RSTRING(z->buf)->ptr;
z->stream.avail_out = ZSTREAM_INITIAL_BUFSIZE;
RBASIC(z->buf)->klass = 0;
return;
}
@ -3380,7 +3381,7 @@ void Init_zlib()
cZStream = rb_define_class_under(mZlib, "ZStream", rb_cObject);
rb_undef_alloc_func(cZStream);
rb_define_method(cZStream, "avail_out", rb_zstream_avail_out, 0);
rb_define_method(cZStream, "avail_out=", rb_zstream_set_avail_out, 0);
rb_define_method(cZStream, "avail_out=", rb_zstream_set_avail_out, 1);
rb_define_method(cZStream, "avail_in", rb_zstream_avail_in, 0);
rb_define_method(cZStream, "total_in", rb_zstream_total_in, 0);
rb_define_method(cZStream, "total_out", rb_zstream_total_out, 0);

27
io.c
View file

@ -941,6 +941,7 @@ rb_io_fread(ptr, len, f)
ptr += c;
if ((n -= c) <= 0) break;
}
rb_thread_wait_fd(fileno(f));
TRAP_BEG;
c = getc(f);
TRAP_END;
@ -1014,7 +1015,6 @@ read_all(fptr, siz, str)
long bytes = 0;
long n;
READ_CHECK(fptr->f);
if (siz == 0) siz = BUFSIZ;
if (NIL_P(str)) {
str = rb_tainted_str_new(0, siz);
@ -1024,7 +1024,10 @@ read_all(fptr, siz, str)
rb_str_resize(str, siz);
}
for (;;) {
FL_SET(str, FL_FREEZE);
READ_CHECK(fptr->f);
n = rb_io_fread(RSTRING(str)->ptr+bytes, siz-bytes, fptr->f);
FL_UNSET(str, FL_FREEZE);
if (n == 0 && bytes == 0) {
rb_str_resize(str,0);
if (!fptr->f) break;
@ -1359,7 +1362,7 @@ swallow(fptr, term)
static VALUE
rb_io_getline_fast(fptr, delim)
OpenFile *fptr;
int delim;
unsigned char delim;
{
VALUE str = Qnil;
int c;
@ -1375,6 +1378,17 @@ rb_io_getline_fast(fptr, delim)
return str;
}
static int
rscheck(rsptr, rslen, rs)
char *rsptr;
long rslen;
VALUE rs;
{
if (RSTRING(rs)->ptr != rsptr && RSTRING(rs)->len != rslen)
rb_raise(rb_eRuntimeError, "rs modified");
return 1;
}
static VALUE
rb_io_getline(rs, fptr)
VALUE rs;
@ -1414,6 +1428,7 @@ rb_io_getline(rs, fptr)
while ((c = appendline(fptr, newline, &str)) != EOF &&
(c != newline || RSTRING(str)->len < rslen ||
(rspara || rscheck(rsptr,rslen,rs)) ||
memcmp(RSTRING(str)->ptr+RSTRING(str)->len-rslen,rsptr,rslen)));
if (rspara) {
@ -2372,6 +2387,9 @@ rb_io_modenum_flags(mode)
if (mode & O_APPEND) {
flags |= FMODE_APPEND;
}
if (mode & O_CREAT) {
flags |= FMODE_CREATE;
}
#ifdef O_BINARY
if (mode & O_BINARY) {
flags |= FMODE_BINMODE;
@ -2883,7 +2901,7 @@ rb_io_popen(str, argc, argv, klass)
mode = rb_io_modenum_mode(FIX2INT(pmode));
}
else {
mode = StringValuePtr(pmode);
mode = rb_io_flags_mode(rb_io_mode_flags(StringValuePtr(pmode)));
}
SafeStringValue(pname);
port = pipe_open(0, 0, str, mode);
@ -4232,7 +4250,7 @@ next_argv()
if (binmode) rb_io_binmode(current_file);
}
else {
init_p = 0;
next_p = 1;
return Qfalse;
}
}
@ -5192,7 +5210,6 @@ argf_read(argc, argv)
retry:
if (!next_argv()) {
if (NIL_P(str)) return rb_str_new(0,0);
return str;
}
if (TYPE(current_file) != T_FILE) {

6
lib/cgi/session/pstore.rb
View file

@ -76,11 +76,7 @@ class CGI
def restore
unless @hash
@p.transaction do
begin
@hash = @p['hash']
rescue
@hash = {}
end
@hash = @p['hash'] || {}
end
end
@hash

9
lib/delegate.rb
View file

@ -75,6 +75,11 @@ class SimpleDelegator<Delegator
def __setobj__(obj)
@_sd_obj = obj
end
def initialize_copy(obj)
super
__setobj__(obj.__getobj__.clone)
end
end
# backward compatibility ^_^;;;
@ -103,6 +108,10 @@ def DelegateClass(superclass)
def __setobj__(obj)
@_dc_obj = obj
end
def initialize_copy(obj)
super
__setobj__(obj.__getobj__.clone)
end
}
for method in methods
begin

3
lib/tempfile.rb
View file

@ -116,7 +116,8 @@ class Tempfile < DelegateClass(File)
begin
File.unlink(@tmpname) if File.exist?(@tmpname)
@@cleanlist.delete(@tmpname)
@tmpname = nil
@data = @tmpname = nil
ObjectSpace.undefine_finalizer(self)
rescue Errno::EACCESS
# may not be able to unlink on Windows; just ignore
end

2
lib/xsd/charset.rb
View file

@ -103,7 +103,7 @@ public
end
def Charset.charset_str(label)
CharsetMap.index(label.downcase)
CharsetMap.key(label.downcase)
end
# us_ascii = '[\x00-\x7F]'

4
object.c
View file

@ -1050,8 +1050,8 @@ rb_false(obj)
*/
static VALUE
rb_obj_pattern_match(obj)
VALUE obj;
rb_obj_pattern_match(obj1, obj2)
VALUE obj1, obj2;
{
return Qfalse;
}

60
range.c
View file

@ -230,13 +230,10 @@ str_step(args)
return rb_str_upto(args[0], args[1], EXCL(args[2]));
}
#define RANGE_EACH_BREAK Qfalse
#define RANGE_EACH_CONTINUE Qtrue
static void
range_each_func(range, func, v, e, arg)
VALUE range;
VALUE (*func) _((VALUE, void*));
void (*func) _((VALUE, void*));
VALUE v, e;
void *arg;
{
@ -244,13 +241,13 @@ range_each_func(range, func, v, e, arg)
if (EXCL(range)) {
while (r_lt(v, e)) {
if ((*func)(v, arg) == RANGE_EACH_BREAK) break;
(*func)(v, arg);
v = rb_funcall(v, id_succ, 0, 0);
}
}
else {
while (RTEST(c = r_le(v, e))) {
if ((*func)(v, arg) == RANGE_EACH_BREAK) break;
(*func)(v, arg);
if (c == INT2FIX(0)) break;
v = rb_funcall(v, id_succ, 0, 0);
}
@ -267,7 +264,7 @@ step_i(i, iter)
rb_yield(i);
iter[0] = iter[1];
}
return RANGE_EACH_CONTINUE;
return Qnil;
}
/*
@ -366,13 +363,12 @@ range_step(argc, argv, range)
return range;
}
static VALUE
static void
each_i(v, arg)
VALUE v;
void *arg;
{
rb_yield(v);
return RANGE_EACH_CONTINUE;
}
/*
@ -552,49 +548,11 @@ range_inspect(range)
return str;
}
static VALUE
member_i(v, args)
VALUE v;
VALUE *args;
{
if (rb_equal(v, args[0])) {
args[1] = Qtrue;
return RANGE_EACH_BREAK;
}
return RANGE_EACH_CONTINUE;
}
/*
* call-seq:
* rng.member?(val) => true or false
*
* Return +true+ if _val_ is one of the values in _rng_ (that is if
* <code>Range#each</code> would return _val_ at some point).
*/
static VALUE
range_member(range, val)
VALUE range, val;
{
VALUE beg, end;
VALUE args[2];
beg = rb_ivar_get(range, id_beg);
end = rb_ivar_get(range, id_end);
if (!rb_respond_to(beg, id_succ)) {
rb_raise(rb_eTypeError, "cannot iterate from %s",
rb_obj_classname(beg));
}
args[0] = val;
args[1] = Qfalse;
range_each_func(range, member_i, beg, end, args);
return args[1];
}
/*
* call-seq:
* rng === obj => true or false
* rng === obj => true or false
* rng.member?(val) => true or false
* rng.include?(val) => true or false
*
* Returns <code>true</code> if <i>obj</i> is an element of
* <i>rng</i>, <code>false</code> otherwise. Conveniently,
@ -705,7 +663,7 @@ Init_Range()
rb_define_method(rb_cRange, "exclude_end?", range_exclude_end_p, 0);
rb_define_method(rb_cRange, "member?", range_member, 1);
rb_define_method(rb_cRange, "member?", range_include, 1);
rb_define_method(rb_cRange, "include?", range_include, 1);
id_cmp = rb_intern("<=>");

4
re.c
View file

@ -1750,7 +1750,7 @@ rb_reg_initialize_m(argc, argv, self)
s = StringValuePtr(argv[0]);
len = RSTRING(argv[0])->len;
}
rb_reg_initialize(self, s, len, flags);
rb_reg_initialize(self, s, len, flags, Qtrue);
return self;
}
@ -2025,7 +2025,7 @@ rb_reg_init_copy(copy, re)
}
rb_reg_check(re);
rb_reg_initialize(copy, RREGEXP(re)->str, RREGEXP(re)->len,
rb_reg_options(re));
rb_reg_options(re), Qfalse);
return copy;
}

1
string.c
View file

@ -1420,6 +1420,7 @@ rb_str_upto(beg, end, excl)
current = rb_funcall(current, succ, 0, 0);
StringValue(current);
if (excl && rb_str_equal(current, end)) break;
StringValue(current);
if (RSTRING(current)->len > RSTRING(end)->len)
break;
}