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Back-patch Neil's four additional buffer overrun checks.

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This commit is contained in:
Tom Lane 2005-02-08 18:22:54 +00:00
parent ebe0341927
commit 46ace73498
1 changed files with 31 additions and 1 deletions
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32
src/pl/plpgsql/src/gram.y
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@ -4,7 +4,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.29.2.2 2005/01/27 01:52:34 neilc Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.29.2.3 2005/02/08 18:22:54 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -1565,6 +1565,14 @@ read_sql_construct(int until,
}
if (plpgsql_SpaceScanned)
plpgsql_dstring_append(&ds, " ");
/* Check for array overflow */
if (nparams >= 1024)
{
plpgsql_error_lineno = lno;
elog(ERROR, "too many variables specified in SQL statement");
}
switch (tok)
{
case T_VARIABLE:
@ -1708,6 +1716,14 @@ make_select_stmt()
if (plpgsql_SpaceScanned)
plpgsql_dstring_append(&ds, " ");
/* Check for array overflow */
if (nparams >= 1024)
{
plpgsql_error_lineno = yylineno;
elog(ERROR, "too many variables specified in SQL statement");
}
switch (tok)
{
case T_VARIABLE:
@ -1776,6 +1792,13 @@ make_select_stmt()
while ((tok = yylex()) == ',')
{
/* Check for array overflow */
if (nfields >= 1024)
{
plpgsql_error_lineno = yylineno;
elog(ERROR, "too many INTO variables specified");
}
tok = yylex();
switch(tok)
{
@ -1992,6 +2015,13 @@ make_fetch_stmt()
while ((tok = yylex()) == ',')
{
/* Check for array overflow */
if (nfields >= 1024)
{
plpgsql_error_lineno = yylineno;
elog(ERROR, "too many INTO variables specified");
}
tok = yylex();
switch(tok)
{