diff options
| author | Florian Westphal <fw@strlen.de> | 2023-06-19 22:43:05 +0200 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2023-06-20 21:47:51 +0200 |
| commit | d40c7623837424d4eb8048508b924887b092e050 (patch) | |
| tree | 3b06bbaaac10f46cbccb71d02a6fcaee2ab1b5d8 /src/parser_bison.y | |
| parent | fa52bc22580632b4b78c263e338ddfbe235a8218 (diff) | |
parser: reject zero-length interface names in flowtables
Previous patch wasn't enough, also disable this for flowtable device lists.
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'src/parser_bison.y')
| -rw-r--r-- | src/parser_bison.y | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/parser_bison.y b/src/parser_bison.y index 9a4204c0..e7ee56c1 100644 --- a/src/parser_bison.y +++ b/src/parser_bison.y @@ -2380,17 +2380,21 @@ flowtable_list_expr : flowtable_expr_member flowtable_expr_member : QUOTED_STRING { - $$ = constant_expr_alloc(&@$, &string_type, - BYTEORDER_HOST_ENDIAN, - strlen($1) * BITS_PER_BYTE, $1); - xfree($1); + struct expr *expr = ifname_expr_alloc(&@$, state->msgs, $1); + + if (!expr) + YYERROR; + + $$ = expr; } | STRING { - $$ = constant_expr_alloc(&@$, &string_type, - BYTEORDER_HOST_ENDIAN, - strlen($1) * BITS_PER_BYTE, $1); - xfree($1); + struct expr *expr = ifname_expr_alloc(&@$, state->msgs, $1); + + if (!expr) + YYERROR; + + $$ = expr; } | variable_expr { |