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-rw-r--r--filter/f-inst.c44
-rw-r--r--filter/filter.c12
2 files changed, 33 insertions, 23 deletions
diff --git a/filter/f-inst.c b/filter/f-inst.c
index 8d5c6656..685bd426 100644
--- a/filter/f-inst.c
+++ b/filter/f-inst.c
@@ -91,6 +91,7 @@
else
RESULT_VAL(v1);
}
+
INST(FI_PAIR_CONSTRUCT, 2, 1) {
ARG(1,T_INT);
ARG(2,T_INT);
@@ -100,6 +101,7 @@
runtime( "Can't operate with value out of bounds in pair constructor" );
RESULT(T_PAIR, i, (u1 << 16) | u2);
}
+
INST(FI_EC_CONSTRUCT, 2, 1) {
ARG_ANY(1);
ARG(2, T_INT);
@@ -120,7 +122,7 @@
ipv4_used = 1; key = ipa_to_u32(v1.val.ip);
}
else
- runtime("Argument 1 of instruction FI_EC_CONSTRUCT must be integer or IPv4 address, got 0x%02x");
+ runtime("Argument 1 of EC constructor must be integer or IPv4 address, got 0x%02x", v1.type);
val = v2.val.i;
@@ -173,21 +175,21 @@
if (fstk->vcnt < whati->count) /* TODO: make this check systematic */
runtime("Construction of BGP path mask from %u elements must have at least that number of elements", whati->count);
-#define pv fstk->vstk[fstk->vcnt - whati->count + i]
+#define pv(i) fstk->vstk[fstk->vcnt - whati->count + (i)]
FID_INTERPRET_NEW
-#define pv items[i]->i_FI_CONSTANT.val
+#define pv(i) items[i]->i_FI_CONSTANT.val
FID_INTERPRET_BODY
struct f_path_mask *pm = falloc(sizeof(struct f_path_mask) + whati->count * sizeof(struct f_path_mask_item));
for (uint i=0; i<whati->count; i++) {
- switch (pv.type) {
+ switch (pv(i).type) {
case T_PATH_MASK_ITEM:
- pm->item[i] = pv.val.pmi;
+ pm->item[i] = pv(i).val.pmi;
break;
case T_INT:
pm->item[i] = (struct f_path_mask_item) {
- .asn = pv.val.i,
+ .asn = pv(i).val.i,
.kind = PM_ASN,
};
break;
@@ -195,6 +197,7 @@
runtime( "Error resolving path mask template: value not an integer" );
}
}
+#undef pv
FID_INTERPRET_EXEC
fstk->vcnt -= whati->count;
@@ -295,7 +298,7 @@
.type = T_QUAD,
.val.i = ipa_to_u32(v1.val.ip),
};
- else
+ else
runtime( "Assigning to variable of incompatible type" );
}
@@ -308,8 +311,7 @@
RESULT_VAL(fstk->vstk[curline.vbase + sym->offset]);
}
- /* some constants have value in a[1], some in *a[0].p, strange. */
- INST(FI_CONSTANT, 0, 1) { /* integer (or simple type) constant, string, set, or prefix_set */
+ INST(FI_CONSTANT, 0, 1) {
FID_MEMBER(
struct f_val,
val,
@@ -320,6 +322,7 @@
RESULT_VAL(val);
}
+
INST(FI_CONDITION, 1, 0) {
ARG(1, T_BOOL);
if (v1.val.i)
@@ -341,10 +344,10 @@
FID_INTERPRET_BODY
-#define pv fstk->vstk[fstk->vcnt - whati->count + i]
+#define pv(i) fstk->vstk[fstk->vcnt - whati->count + (i)]
if (whati->count)
for (uint i=0; i<whati->count; i++)
- val_format(&(pv), &fs->buf);
+ val_format(&(pv(i)), &fs->buf);
#undef pv
fstk->vcnt -= whati->count;
@@ -371,8 +374,8 @@
bug( "unknown return type: Can't happen");
}
}
-
- INST(FI_RTA_GET, 0, 1) { /* rta access */
+
+ INST(FI_RTA_GET, 0, 1) {
{
STATIC_ATTR;
ACCESS_RTE;
@@ -577,6 +580,7 @@
case EAF_TYPE_OPAQUE:
runtime( "Setting opaque attribute is not allowed" );
break;
+
case EAF_TYPE_IP_ADDRESS:
if (v1.type != T_IP)
runtime( "Setting ip attribute to non-ip value" );
@@ -586,11 +590,13 @@
(* (ip_addr *) ad->data) = v1.val.ip;
l->attrs[0].u.ptr = ad;
break;
+
case EAF_TYPE_AS_PATH:
if (v1.type != T_PATH)
runtime( "Setting path attribute to non-path value" );
l->attrs[0].u.ptr = v1.val.ad;
break;
+
case EAF_TYPE_BITFIELD:
if (v1.type != T_BOOL)
runtime( "Setting bit in bitfield attribute to non-bool value" );
@@ -605,22 +611,27 @@
l->attrs[0].u.data = data & ~(1u << da.bit);
}
break;
+
case EAF_TYPE_INT_SET:
if (v1.type != T_CLIST)
runtime( "Setting clist attribute to non-clist value" );
l->attrs[0].u.ptr = v1.val.ad;
break;
+
case EAF_TYPE_EC_SET:
if (v1.type != T_ECLIST)
runtime( "Setting eclist attribute to non-eclist value" );
l->attrs[0].u.ptr = v1.val.ad;
break;
+
case EAF_TYPE_LC_SET:
if (v1.type != T_LCLIST)
runtime( "Setting lclist attribute to non-lclist value" );
l->attrs[0].u.ptr = v1.val.ad;
break;
- default: bug("Unknown type in e,S");
+
+ default:
+ bug("Unknown dynamic attribute type");
}
f_rta_cow(fs);
@@ -728,7 +739,7 @@
RESULT(T_INT, i, as);
}
- INST(FI_AS_PATH_LAST, 1, 1) { /* Get last ASN from AS PATH */
+ INST(FI_AS_PATH_LAST, 1, 1) { /* Get last ASN from AS PATH */
ARG(1, T_PATH);
int as = 0;
as_path_get_last(v1.val.ad, &as);
@@ -754,7 +765,6 @@
if (!fstk->ecnt)
if (fstk->vstk[retpos].type == T_BOOL)
if (fstk->vstk[retpos].val.i)
-
return F_ACCEPT;
else
return F_REJECT;
@@ -775,7 +785,7 @@
/* Push the body on stack */
LINEX(sym->function);
curline.emask |= FE_RETURN;
-
+
/* Before this instruction was called, there was the T_VOID
* automatic return value pushed on value stack and also
* sym->function->args function arguments. Setting the
diff --git a/filter/filter.c b/filter/filter.c
index d9c98872..beb2457d 100644
--- a/filter/filter.c
+++ b/filter/filter.c
@@ -181,7 +181,7 @@ interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
/* The same as with the value stack. Not resetting the stack for performance reasons. */
fstk->ecnt = 1;
- fstk->estk[0].line = line;
+ fstk->estk[0].line = line;
fstk->estk[0].pos = 0;
#define curline fstk->estk[fstk->ecnt-1]
@@ -225,7 +225,7 @@ interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
#undef ACCESS_EATTRS
}
}
-
+
/* End of current line. Drop local variables before exiting. */
fstk->vcnt -= curline.line->vars;
fstk->vcnt -= curline.line->args;
@@ -335,7 +335,7 @@ f_run(const struct filter *filter, struct rte **rte, struct linpool *tmp_pool, i
}
/**
- * f_eval_rte – run a filter line for an uncached route
+ * f_eval_rte - run a filter line for an uncached route
* @expr: filter line to run
* @rte: route being filtered, may be modified
* @tmp_pool: all filter allocations go from this pool
@@ -364,7 +364,7 @@ f_eval_rte(const struct f_line *expr, struct rte **rte, struct linpool *tmp_pool
}
/*
- * f_eval – get a value of a term
+ * f_eval - get a value of a term
* @expr: filter line containing the term
* @tmp_pool: long data may get allocated from this pool
* @pres: here the output will be stored
@@ -383,7 +383,7 @@ f_eval(const struct f_line *expr, struct linpool *tmp_pool, struct f_val *pres)
}
/*
- * f_eval_int – get an integer value of a term
+ * f_eval_int - get an integer value of a term
* Called internally from the config parser, uses its internal memory pool
* for allocations. Do not call in other cases.
*/
@@ -409,7 +409,7 @@ f_eval_int(const struct f_line *expr)
}
/*
- * f_eval_buf – get a value of a term and print it to the supplied buffer
+ * f_eval_buf - get a value of a term and print it to the supplied buffer
*/
enum filter_return
f_eval_buf(const struct f_line *expr, struct linpool *tmp_pool, buffer *buf)