diff options
| author | Martin Mares <mj@ucw.cz> | 2000-05-13 13:17:49 +0200 |
|---|---|---|
| committer | Martin Mares <mj@ucw.cz> | 2000-05-13 13:17:49 +0200 |
| commit | 758458be054ebdf4cd77620faf214f2b491a49dc (patch) | |
| tree | e8cdebbcf3095ddc1db63ac3c5b611f9708c9879 /filter | |
| parent | 02bd064ab76f163313261dad5c273cb376be2a75 (diff) | |
| download | bird-758458be054ebdf4cd77620faf214f2b491a49dc.tar bird-758458be054ebdf4cd77620faf214f2b491a49dc.zip | |
Unified parsing of prefixes.
Had to rename `prefix' in filters to `fprefix'.
Diffstat (limited to 'filter')
| -rw-r--r-- | filter/config.Y | 23 | ||||
| -rw-r--r-- | filter/filter.h | 4 |
2 files changed, 15 insertions, 12 deletions
diff --git a/filter/config.Y b/filter/config.Y index 38ee16a..343c1e0 100644 --- a/filter/config.Y +++ b/filter/config.Y @@ -42,7 +42,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN, %type <f> filter filter_body where_filter %type <i> type break_command pair %type <e> set_item set_items switch_body -%type <v> set_atom prefix prefix_s ipa +%type <v> set_atom fprefix fprefix_s ipa %type <s> decls declsn one_decl function_params %type <h> bgp_path %type <i> bgp_one @@ -212,15 +212,18 @@ pair: /* * Complex types, their bison value is struct f_val */ -prefix_s: - IPA '/' NUM { $$.type = T_PREFIX; $$.val.px.ip = $1; $$.val.px.len = $3; if (ipa_nonzero(ipa_and($$.val.px.ip, ipa_not(ipa_mkmask($$.val.px.len))))) cf_error( "%I/%d is not really prefix\n", $$.val.px.ip, $$.val.px.len ); } +fprefix_s: + IPA '/' NUM { + if (!ip_is_prefix($1, $3)) cf_error("Invalid network prefix: %I/%d", $1, $3); + $$.type = T_PREFIX; $$.val.px.ip = $1; $$.val.px.len = $3; + } ; -prefix: - prefix_s { $$ = $1; } - | prefix_s '+' { $$ = $1; $$.val.px.len |= LEN_PLUS; } - | prefix_s '-' { $$ = $1; $$.val.px.len |= LEN_MINUS; } - | prefix_s '{' NUM ',' NUM '}' { $$ = $1; $$.val.px.len |= LEN_RANGE | ($3 << 16) | ($5 << 8); } +fprefix: + fprefix_s { $$ = $1; } + | fprefix_s '+' { $$ = $1; $$.val.px.len |= LEN_PLUS; } + | fprefix_s '-' { $$ = $1; $$.val.px.len |= LEN_MINUS; } + | fprefix_s '{' NUM ',' NUM '}' { $$ = $1; $$.val.px.len |= LEN_RANGE | ($3 << 16) | ($5 << 8); } ; ipa: @@ -231,7 +234,7 @@ set_atom: NUM { $$.type = T_INT; $$.val.i = $1; } | pair { $$.type = T_PAIR; $$.val.i = $1; } | ipa { $$ = $1; } - | prefix { $$ = $1; } + | fprefix { $$ = $1; } ; set_item: @@ -291,7 +294,7 @@ constant: | TEXT { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_STRING; $$->a2.p = $1; } | pair { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_PAIR; $$->a2.i = $1; } | ipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } - | prefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } + | fprefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; } | '[' set_items ']' { DBG( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_SET; $$->a2.p = build_tree($2); DBG( "ook\n" ); } | ENUM { $$ = f_new_inst(); $$->code = 'c'; $$->aux = $1 >> 16; $$->a2.i = $1 & 0xffff; } | '/' bgp_path '/' { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; val->type = T_PATH_MASK; val->val.path_mask = $2; $$->a1.p = val; } diff --git a/filter/filter.h b/filter/filter.h index e86aa02..a1bf548 100644 --- a/filter/filter.h +++ b/filter/filter.h @@ -30,7 +30,7 @@ struct f_inst { /* Instruction */ #define arg1 a1.p #define arg2 a2.p -struct prefix { +struct f_prefix { ip_addr ip; int len; #define LEN_MASK 0xff @@ -45,7 +45,7 @@ struct f_val { union { int i; /* ip_addr ip; Folded into prefix */ - struct prefix px; + struct f_prefix px; char *s; struct f_tree *t; struct adata *ad; |