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-rw-r--r--filter/config.Y91
-rw-r--r--filter/f-inst.c11
-rw-r--r--filter/filter.h76
3 files changed, 80 insertions, 98 deletions
diff --git a/filter/config.Y b/filter/config.Y
index 20a19075..e1f3fec8 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -189,15 +189,17 @@ f_generate_dpair(struct f_inst *t1, struct f_inst *t2)
struct f_inst *rv;
if ((t1->fi_code == FI_CONSTANT) && (t2->fi_code == FI_CONSTANT)) {
- if ((t1->aux != T_INT) || (t2->aux != T_INT))
+ if ((t1->val.type != T_INT) || (t2->val.type != T_INT))
cf_error( "Can't operate with value of non-integer type in pair constructor");
check_u16(t1->a[1].i);
check_u16(t2->a[1].i);
rv = f_new_inst(FI_CONSTANT);
- rv->aux = T_PAIR;
- rv->a[1].i = pair(t1->a[1].i, t2->a[1].i);
+ rv->val = (struct f_val) {
+ .type = T_PAIR,
+ .val.i = pair(t1->a[1].i, t2->a[1].i),
+ };
}
else {
rv = f_new_inst(FI_PAIR_CONSTRUCT);
@@ -217,26 +219,12 @@ f_generate_ec(u16 kind, struct f_inst *tk, struct f_inst *tv)
if (tk->fi_code == FI_CONSTANT) {
c1 = 1;
-
- if (tk->aux == T_INT) {
- ipv4_used = 0; key = tk->a[1].i;
- }
- else if (tk->aux == T_QUAD) {
- ipv4_used = 1; key = tk->a[1].i;
- }
- else
- cf_error("Can't operate with key of non-integer/IPv4 type in EC constructor");
- }
-
- /* IP->Quad implicit conversion */
- else if (tk->fi_code == FI_CONSTANT_INDIRECT) {
- c1 = 1;
- struct f_val *val = tk->a[0].p;
+ struct f_val *val = &(tk->val);
if (val->type == T_INT) {
ipv4_used = 0; key = val->val.i;
}
- else if (val->type == T_QUAD) {
+ else if (tk->val.type == T_QUAD) {
ipv4_used = 1; key = val->val.i;
}
else if ((val->type == T_IP) && ipa_is_ip4(val->val.ip)) {
@@ -247,10 +235,10 @@ f_generate_ec(u16 kind, struct f_inst *tk, struct f_inst *tv)
}
if (tv->fi_code == FI_CONSTANT) {
- if (tv->aux != T_INT)
+ if (tv->val.type != T_INT)
cf_error("Can't operate with value of non-integer type in EC constructor");
c2 = 1;
- val2 = tv->a[1].i;
+ val2 = tv->val.val.i;
}
if (c1 && c2) {
@@ -271,11 +259,11 @@ f_generate_ec(u16 kind, struct f_inst *tk, struct f_inst *tv)
ec = ec_as4(kind, key, val2);
}
- NEW_F_VAL;
- rv = f_new_inst(FI_CONSTANT_INDIRECT);
- rv->a[0].p = val;
- val->type = T_EC;
- val->val.ec = ec;
+ rv = f_new_inst(FI_CONSTANT);
+ rv->val = (struct f_val) {
+ .type = T_EC,
+ .val.ec = ec,
+ };
}
else {
rv = f_new_inst(FI_EC_CONSTRUCT);
@@ -293,15 +281,14 @@ f_generate_lc(struct f_inst *t1, struct f_inst *t2, struct f_inst *t3)
struct f_inst *rv;
if ((t1->fi_code == FI_CONSTANT) && (t2->fi_code == FI_CONSTANT) && (t3->fi_code == FI_CONSTANT)) {
- if ((t1->aux != T_INT) || (t2->aux != T_INT) || (t3->aux != T_INT))
+ if ((t1->val.type != T_INT) || (t2->val.type != T_INT) || (t3->val.type != T_INT))
cf_error( "LC - Can't operate with value of non-integer type in tuple constructor");
- rv = f_new_inst(FI_CONSTANT_INDIRECT);
-
- NEW_F_VAL;
- rv->a[0].p = val;
- val->type = T_LC;
- val->val.lc = (lcomm) { t1->a[1].i, t2->a[1].i, t3->a[1].i };
+ rv = f_new_inst(FI_CONSTANT);
+ rv->val = (struct f_val) {
+ .type = T_LC,
+ .val.lc = (lcomm) { t1->a[1].i, t2->a[1].i, t3->a[1].i },
+ };
}
else
{
@@ -325,12 +312,11 @@ f_generate_path_mask(struct f_path_mask *t)
}
}
- NEW_F_VAL;
- val->type = T_PATH_MASK;
- val->val.path_mask = t;
-
- struct f_inst *rv = f_new_inst(FI_CONSTANT_INDIRECT);
- rv->a[0].p = val;
+ struct f_inst *rv = f_new_inst(FI_CONSTANT);
+ rv->val = (struct f_val) {
+ .type = T_PATH_MASK,
+ .val.path_mask = t,
+ };
return rv;
}
@@ -771,8 +757,6 @@ switch_body: /* EMPTY */ { $$ = NULL; }
}
;
-/* CONST '(' expr ')' { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_INT; $$->a[1].i = $3; } */
-
bgp_path_expr:
symbol { $$ = $1; }
| '(' term ')' { $$ = $2; }
@@ -792,16 +776,21 @@ bgp_path_tail:
;
constant:
- NUM { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_INT; $$->a[1].i = $1; }
- | TRUE { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_BOOL; $$->a[1].i = 1; }
- | FALSE { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_BOOL; $$->a[1].i = 0; }
- | TEXT { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_STRING; $$->a[1].p = $1; }
- | fipa { NEW_F_VAL; $$ = f_new_inst(FI_CONSTANT_INDIRECT); $$->a[0].p = val; *val = $1; }
- | VPN_RD { NEW_F_VAL; $$ = f_new_inst(FI_CONSTANT_INDIRECT); val->type = T_RD; val->val.ec = $1; $$->a[0].p = val; }
- | net_ { NEW_F_VAL; $$ = f_new_inst(FI_CONSTANT_INDIRECT); val->type = T_NET; val->val.net = $1; $$->a[0].p = val; }
- | '[' set_items ']' { DBG( "We've got a set here..." ); $$ = f_new_inst(FI_CONSTANT); $$->aux = T_SET; $$->a[1].p = build_tree($2); DBG( "ook\n" ); }
- | '[' fprefix_set ']' { $$ = f_new_inst(FI_CONSTANT); $$->aux = T_PREFIX_SET; $$->a[1].p = $2; }
- | ENUM { $$ = f_new_inst(FI_CONSTANT); $$->aux = $1 >> 16; $$->a[1].i = $1 & 0xffff; }
+ NUM { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_INT, .val.i = $1, }; }
+ | TRUE { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_BOOL, .val.i = 1, }; }
+ | FALSE { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_BOOL, .val.i = 0, }; }
+ | TEXT { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_STRING, .val.s = $1, }; }
+ | fipa { $$ = f_new_inst(FI_CONSTANT); $$->val = $1; }
+ | VPN_RD { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_RD, .val.ec = $1, }; }
+ | net_ { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_NET, .val.net = $1, }; }
+ | '[' set_items ']' {
+ DBG( "We've got a set here..." );
+ $$ = f_new_inst(FI_CONSTANT);
+ $$->val = (struct f_val) { .type = T_SET, .val.t = build_tree($2), };
+ DBG( "ook\n" );
+ }
+ | '[' fprefix_set ']' { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = T_PREFIX_SET, .val.ti = $2, }; }
+ | ENUM { $$ = f_new_inst(FI_CONSTANT); $$->val = (struct f_val) { .type = $1 >> 16, .val.i = $1 & 0xffff, }; }
;
constructor:
diff --git a/filter/f-inst.c b/filter/f-inst.c
index a7d381c2..fb2f043c 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -240,16 +240,7 @@
/* some constants have value in a[1], some in *a[0].p, strange. */
case FI_CONSTANT: /* integer (or simple type) constant, string, set, or prefix_set */
- res.type = what->aux;
-
- if (res.type == T_PREFIX_SET)
- res.val.ti = what->a[1].p;
- else if (res.type == T_SET)
- res.val.t = what->a[1].p;
- else if (res.type == T_STRING)
- res.val.s = what->a[1].p;
- else
- res.val.i = what->a[1].i;
+ res = what->val;
break;
case FI_VARIABLE:
case FI_CONSTANT_INDIRECT:
diff --git a/filter/filter.h b/filter/filter.h
index 8dd531b1..e483d223 100644
--- a/filter/filter.h
+++ b/filter/filter.h
@@ -14,6 +14,39 @@
#include "nest/route.h"
#include "nest/attrs.h"
+struct f_prefix {
+ net_addr net;
+ u8 lo, hi;
+};
+
+struct f_val {
+ int type; /* T_* */
+ union {
+ uint i;
+ u64 ec;
+ lcomm lc;
+ ip_addr ip;
+ const net_addr *net;
+ char *s;
+ struct f_tree *t;
+ struct f_trie *ti;
+ struct adata *ad;
+ struct f_path_mask *path_mask;
+ } val;
+};
+
+struct f_dynamic_attr {
+ int type;
+ int f_type;
+ int ea_code;
+};
+
+struct f_static_attr {
+ int f_type;
+ int sa_code;
+ int readonly;
+};
+
/* Filter instruction types */
#define FI__TWOCHAR(a,b) ((a<<8) | b)
@@ -88,9 +121,12 @@ struct f_inst { /* Instruction */
enum f_instruction_code fi_code;
u16 aux; /* Extension to instruction code, T_*, EA_*, EAF_* */
union {
- uint i;
- void *p;
- } a[3]; /* The three arguments */
+ union {
+ uint i;
+ void *p;
+ } a[3]; /* The three arguments */
+ struct f_val val; /* The value if FI_CONSTANT */
+ };
int lineno;
};
@@ -103,40 +139,6 @@ struct f_inst_roa_check {
struct f_inst i;
struct rtable_config *rtc;
};
-
-struct f_prefix {
- net_addr net;
- u8 lo, hi;
-};
-
-struct f_val {
- int type; /* T_* */
- union {
- uint i;
- u64 ec;
- lcomm lc;
- ip_addr ip;
- const net_addr *net;
- char *s;
- struct f_tree *t;
- struct f_trie *ti;
- struct adata *ad;
- struct f_path_mask *path_mask;
- } val;
-};
-
-struct f_dynamic_attr {
- int type;
- int f_type;
- int ea_code;
-};
-
-struct f_static_attr {
- int f_type;
- int sa_code;
- int readonly;
-};
-
struct filter {
char *name;
struct f_inst *root;