diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2021-02-11 09:52:31 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2021-02-11 12:19:02 +0100 |
| commit | 7c6117235ce4112154c416dee6f495672dab9993 (patch) | |
| tree | 68d9cebc568ec9815d7e5f3bdbc5bac57e865599 /formula/source | |
| parent | 7dfb69f53472cdeb21270e850892f82112ad332c (diff) | |
ofz#30812 protect NextToken calling NextToken with RecurseGuard
and bump limit from 42 to 100
Change-Id: I0a35b32e7ab74a4148197ba48c52b6714bdb449d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110756
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Diffstat (limited to 'formula/source')
| -rw-r--r-- | formula/source/core/api/FormulaCompiler.cxx | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/formula/source/core/api/FormulaCompiler.cxx b/formula/source/core/api/FormulaCompiler.cxx index 8e986de15dca..c4e037f624cd 100644 --- a/formula/source/core/api/FormulaCompiler.cxx +++ b/formula/source/core/api/FormulaCompiler.cxx @@ -1240,7 +1240,7 @@ void FormulaCompiler::AppendErrorConstant( OUStringBuffer& rBuffer, FormulaError rBuffer.append( mxSymbols->getSymbol( eOp)); } -constexpr short nRecursionMax = 42; +constexpr short nRecursionMax = 100; bool FormulaCompiler::GetToken() { @@ -2534,7 +2534,10 @@ OpCode FormulaCompiler::NextToken() // Operator and Plus => operator if (eOp == ocAdd && (eLastOp == ocOpen || eLastOp == ocSep || (SC_OPCODE_START_BIN_OP <= eLastOp && eLastOp < SC_OPCODE_STOP_UN_OP))) + { + FormulaCompilerRecursionGuard aRecursionGuard( nRecursion ); eOp = NextToken(); + } else { // Before an operator there must not be another operator, with the |