diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/parser.y | 16 | ||||
| -rw-r--r-- | src/rule.c | 19 |
2 files changed, 32 insertions, 3 deletions
diff --git a/src/parser.y b/src/parser.y index a7dfdcc4..074f0758 100644 --- a/src/parser.y +++ b/src/parser.y @@ -769,10 +769,15 @@ map_block : /* empty */ { $$ = $<set>-1; } hook_spec : TYPE STRING HOOK STRING PRIORITY NUM { - $<chain>0->type = $2; + $<chain>0->type = chain_type_name_lookup($2); + if ($<chain>0->type == NULL) { + erec_queue(error(&@2, "unknown chain type %s", $2), + state->msgs); + YYERROR; + } $<chain>0->hookstr = chain_hookname_lookup($4); if ($<chain>0->hookstr == NULL) { - erec_queue(error(&@4, "unknown hook name %s", $4), + erec_queue(error(&@4, "unknown chain type %s", $4), state->msgs); YYERROR; } @@ -781,7 +786,12 @@ hook_spec : TYPE STRING HOOK STRING PRIORITY NUM } | TYPE STRING HOOK STRING PRIORITY DASH NUM { - $<chain>0->type = $2; + $<chain>0->type = chain_type_name_lookup($2); + if ($<chain>0->type == NULL) { + erec_queue(error(&@2, "unknown type name %s", $2), + state->msgs); + YYERROR; + } $<chain>0->hookstr = chain_hookname_lookup($4); if ($<chain>0->hookstr == NULL) { erec_queue(error(&@4, "unknown hook name %s", $4), @@ -190,6 +190,25 @@ struct symbol *symbol_lookup(const struct scope *scope, const char *identifier) return NULL; } +static const char *chain_type_str_array[] = { + "filter", + "nat", + "route", + NULL, +}; + +const char *chain_type_name_lookup(const char *name) +{ + int i; + + for (i = 0; chain_type_str_array[i]; i++) { + if (!strcmp(name, chain_type_str_array[i])) + return chain_type_str_array[i]; + } + + return NULL; +} + static const char *chain_hookname_str_array[] = { "prerouting", "input", |