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asterisk
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fix dereferencing freed memory

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@23795 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.4
Luigi Rizzo 20 years ago
parent 595955ea98
commit 2c2f7e817b
2 changed files with 54 additions and 52 deletions
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97
pbx/ael/ael.tab.c
Unescape View File

@ -574,11 +574,11 @@ static const unsigned short int yyrline[] =
426, 428, 431, 433, 435, 438, 438, 471, 472, 473,
474, 478, 482, 486, 489, 490, 495, 496, 499, 502,
506, 510, 514, 521, 524, 527, 534, 541, 548, 557,
557, 562, 570, 570, 580, 587, 590, 591, 594, 595,
598, 604, 605, 610, 614, 618, 622, 625, 628, 633,
634, 639, 640, 646, 651, 656, 657, 660, 663, 668,
671, 674, 688, 697, 702, 717, 729, 732, 733, 736,
739
557, 562, 570, 570, 581, 588, 591, 592, 595, 596,
599, 605, 606, 611, 615, 619, 623, 626, 629, 634,
635, 640, 641, 647, 652, 657, 658, 661, 664, 669,
672, 675, 689, 698, 703, 718, 730, 733, 734, 737,
740
};
#endif
@ -2706,16 +2706,17 @@ yyreduce:
#line 570 "ael.y"
{
if (strcasecmp((yyvsp[-2].str),"goto") == 0) {
(yyval.pval)= npval2(PV_GOTO, &(yylsp[-2]), &(yylsp[0]));
(yyval.pval) = npval2(PV_GOTO, &(yylsp[-2]), &(yylsp[-1]));
free((yyvsp[-2].str)); /* won't be using this */
ast_log(LOG_WARNING, "==== File: %s, Line %d, Cols: %d-%d: Suggestion: Use the goto statement instead of the Goto() application call in AEL.\n", my_file, (yylsp[-2]).first_line, (yylsp[-2]).first_column, (yylsp[-2]).last_column );
} else
(yyval.pval)= npval2(PV_APPLICATION_CALL, &(yylsp[-2]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-2].str); ;}
} else {
(yyval.pval)= npval2(PV_APPLICATION_CALL, &(yylsp[-2]), &(yylsp[-1]));
(yyval.pval)->u1.str = (yyvsp[-2].str);
} ;}
break;
case 114:
#line 580 "ael.y"
#line 581 "ael.y"
{
(yyval.pval) = update_last((yyvsp[-2].pval), &(yylsp[0]));
if( (yyval.pval)->type == PV_GOTO )
@ -2726,34 +2727,34 @@ yyreduce:
break;
case 115:
#line 587 "ael.y"
#line 588 "ael.y"
{ (yyval.pval) = update_last((yyvsp[-1].pval), &(yylsp[0])); ;}
break;
case 116:
#line 590 "ael.y"
#line 591 "ael.y"
{ (yyval.str) = (yyvsp[0].str) ;}
break;
case 117:
#line 591 "ael.y"
#line 592 "ael.y"
{ (yyval.str) = strdup(""); ;}
break;
case 118:
#line 594 "ael.y"
#line 595 "ael.y"
{ (yyval.pval) = nword((yyvsp[0].str), &(yylsp[0])); ;}
break;
case 119:
#line 595 "ael.y"
#line 596 "ael.y"
{
(yyval.pval)= npval(PV_WORD,0/*@1.first_line*/,0/*@1.last_line*/,0/* @1.first_column*/, 0/*@1.last_column*/);
(yyval.pval)->u1.str = strdup(""); ;}
break;
case 120:
#line 598 "ael.y"
#line 599 "ael.y"
{
pval *z = nword((yyvsp[0].str), &(yylsp[0]));
(yyval.pval) = (yyvsp[-2].pval);
@ -2761,19 +2762,19 @@ yyreduce:
break;
case 121:
#line 604 "ael.y"
#line 605 "ael.y"
{(yyval.pval)=(yyvsp[0].pval);;}
break;
case 122:
#line 605 "ael.y"
#line 606 "ael.y"
{ if ( (yyvsp[-1].pval) && (yyvsp[0].pval) ) {(yyval.pval)=(yyvsp[-1].pval); linku1((yyval.pval),(yyvsp[0].pval));}
else if ( (yyvsp[-1].pval) ) {(yyval.pval)=(yyvsp[-1].pval);}
else if ( (yyvsp[0].pval) ) {(yyval.pval)=(yyvsp[0].pval);} ;}
break;
case 123:
#line 610 "ael.y"
#line 611 "ael.y"
{
(yyval.pval) = npval2(PV_CASE, &(yylsp[-3]), &(yylsp[-1])); /* XXX 3 or 4 ? */
(yyval.pval)->u1.str = (yyvsp[-2].str);
@ -2781,7 +2782,7 @@ yyreduce:
break;
case 124:
#line 614 "ael.y"
#line 615 "ael.y"
{
(yyval.pval) = npval2(PV_DEFAULT, &(yylsp[-2]), &(yylsp[0]));
(yyval.pval)->u1.str = NULL;
@ -2789,7 +2790,7 @@ yyreduce:
break;
case 125:
#line 618 "ael.y"
#line 619 "ael.y"
{
(yyval.pval) = npval2(PV_PATTERN, &(yylsp[-3]), &(yylsp[0])); /* XXX@3 or @4 ? */
(yyval.pval)->u1.str = (yyvsp[-2].str);
@ -2797,45 +2798,45 @@ yyreduce:
break;
case 126:
#line 622 "ael.y"
#line 623 "ael.y"
{
(yyval.pval) = npval2(PV_CASE, &(yylsp[-2]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-1].str);;}
break;
case 127:
#line 625 "ael.y"
#line 626 "ael.y"
{
(yyval.pval) = npval2(PV_DEFAULT, &(yylsp[-1]), &(yylsp[0]));
(yyval.pval)->u1.str = NULL;;}
break;
case 128:
#line 628 "ael.y"
#line 629 "ael.y"
{
(yyval.pval) = npval2(PV_PATTERN, &(yylsp[-2]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-1].str);;}
break;
case 129:
#line 633 "ael.y"
#line 634 "ael.y"
{(yyval.pval) = (yyvsp[0].pval);;}
break;
case 130:
#line 634 "ael.y"
#line 635 "ael.y"
{ if ( (yyvsp[-1].pval) && (yyvsp[0].pval) ) {(yyval.pval)=(yyvsp[-1].pval); linku1((yyval.pval),(yyvsp[0].pval));}
else if ( (yyvsp[-1].pval) ) {(yyval.pval)=(yyvsp[-1].pval);}
else if ( (yyvsp[0].pval) ) {(yyval.pval)=(yyvsp[0].pval);} ;}
break;
case 131:
#line 639 "ael.y"
#line 640 "ael.y"
{(yyval.pval)=(yyvsp[0].pval);;}
break;
case 132:
#line 640 "ael.y"
#line 641 "ael.y"
{
(yyval.pval) = npval2(PV_CATCH, &(yylsp[-4]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-3].str);
@ -2843,38 +2844,38 @@ yyreduce:
break;
case 133:
#line 646 "ael.y"
#line 647 "ael.y"
{
(yyval.pval) = npval2(PV_SWITCHES, &(yylsp[-1]), &(yylsp[0]));
(yyval.pval)->u1.list = (yyvsp[0].pval); ;}
break;
case 134:
#line 651 "ael.y"
#line 652 "ael.y"
{
(yyval.pval) = npval2(PV_ESWITCHES, &(yylsp[-1]), &(yylsp[0]));
(yyval.pval)->u1.list = (yyvsp[0].pval); ;}
break;
case 135:
#line 656 "ael.y"
#line 657 "ael.y"
{ (yyval.pval) = (yyvsp[-1].pval); ;}
break;
case 136:
#line 657 "ael.y"
#line 658 "ael.y"
{ (yyval.pval) = NULL; ;}
break;
case 137:
#line 660 "ael.y"
#line 661 "ael.y"
{
(yyval.pval) = npval2(PV_WORD, &(yylsp[-1]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-1].str);;}
break;
case 138:
#line 663 "ael.y"
#line 664 "ael.y"
{
pval *z = npval2(PV_WORD, &(yylsp[-1]), &(yylsp[0]));
z->u1.str = (yyvsp[-1].str);
@ -2883,19 +2884,19 @@ yyreduce:
break;
case 139:
#line 668 "ael.y"
#line 669 "ael.y"
{(yyval.pval)=(yyvsp[-1].pval);;}
break;
case 140:
#line 671 "ael.y"
#line 672 "ael.y"
{
(yyval.pval) = npval2(PV_WORD, &(yylsp[-1]), &(yylsp[0]));
(yyval.pval)->u1.str = (yyvsp[-1].str);;}
break;
case 141:
#line 675 "ael.y"
#line 676 "ael.y"
{
(yyval.pval) = npval2(PV_WORD, &(yylsp[-13]), &(yylsp[-12]));
(yyval.pval)->u1.str = (yyvsp[-13].str);
@ -2912,7 +2913,7 @@ yyreduce:
break;
case 142:
#line 688 "ael.y"
#line 689 "ael.y"
{
(yyval.pval) = npval2(PV_WORD, &(yylsp[-9]), &(yylsp[-8]));
(yyval.pval)->u1.str = (yyvsp[-9].str);
@ -2925,7 +2926,7 @@ yyreduce:
break;
case 143:
#line 697 "ael.y"
#line 698 "ael.y"
{
pval *z = npval2(PV_WORD, &(yylsp[-1]), &(yylsp[0])); /* XXX don't we need @1-@3 ?*/
(yyval.pval)=(yyvsp[-2].pval);
@ -2934,7 +2935,7 @@ yyreduce:
break;
case 144:
#line 703 "ael.y"
#line 704 "ael.y"
{
pval *z = npval2(PV_WORD, &(yylsp[-13]), &(yylsp[-12]));
(yyval.pval)=(yyvsp[-14].pval); z->u1.str = (yyvsp[-13].str);
@ -2952,7 +2953,7 @@ yyreduce:
break;
case 145:
#line 717 "ael.y"
#line 718 "ael.y"
{
pval *z = npval2(PV_WORD, &(yylsp[-9]), &(yylsp[-8]));
(yyval.pval)=(yyvsp[-10].pval);
@ -2968,29 +2969,29 @@ yyreduce:
break;
case 146:
#line 729 "ael.y"
#line 730 "ael.y"
{(yyval.pval)=(yyvsp[-1].pval);;}
break;
case 147:
#line 732 "ael.y"
#line 733 "ael.y"
{ (yyval.str) = (yyvsp[0].str);;}
break;
case 148:
#line 733 "ael.y"
#line 734 "ael.y"
{(yyval.str)=strdup("default");;}
break;
case 149:
#line 736 "ael.y"
#line 737 "ael.y"
{
(yyval.pval) = npval2(PV_INCLUDES, &(yylsp[-3]), &(yylsp[0]));
(yyval.pval)->u1.list = (yyvsp[-1].pval);;}
break;
case 150:
#line 739 "ael.y"
#line 740 "ael.y"
{
(yyval.pval) = npval2(PV_INCLUDES, &(yylsp[-2]), &(yylsp[0]));;}
break;
@ -3000,7 +3001,7 @@ yyreduce:
}
/* Line 1126 of yacc.c. */
#line 3004 "ael.tab.c"
#line 3005 "ael.tab.c"
yyvsp -= yylen;
yyssp -= yylen;
@ -3275,7 +3276,7 @@ yyreturn:
}
#line 744 "ael.y"
#line 745 "ael.y"
static char *token_equivs1[] =

9
pbx/ael/ael.y
Unescape View File

@ -569,12 +569,13 @@ macro_call : word LP {reset_argcount(parseio->scanner);} eval_arglist RP {
*/
application_call_head: word LP {reset_argcount(parseio->scanner);} {
if (strcasecmp($1,"goto") == 0) {
$$= npval2(PV_GOTO, &@1, &@3);
$$ = npval2(PV_GOTO, &@1, &@2);
free($1); /* won't be using this */
ast_log(LOG_WARNING, "==== File: %s, Line %d, Cols: %d-%d: Suggestion: Use the goto statement instead of the Goto() application call in AEL.\n", my_file, @1.first_line, @1.first_column, @1.last_column );
} else
$$= npval2(PV_APPLICATION_CALL, &@1, &@3);
$$->u1.str = $1; }
} else {
$$= npval2(PV_APPLICATION_CALL, &@1, &@2);
$$->u1.str = $1;
} }
;
application_call : application_call_head eval_arglist RP {

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