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https://gitlab.nic.cz/labs/bird.git
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Filter: Pre-evaluation of constant expressions
This commit is contained in:
Maria Matejka
parent
30667d5041
commit
b40c0f028f
@ -757,6 +757,7 @@ cf_pop_scope(void)
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{
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conf_this_scope->active = 0;
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conf_this_scope = conf_this_scope->next;
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ASSERT(conf_this_scope);
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}
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@ -3,7 +3,8 @@ obj := $(src-o-files)
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$(all-daemon)
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$(cf-local)
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M4FLAGS_FILTERS=$(filter-out -s,$(M4FLAGS))
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#M4FLAGS_FILTERS=$(filter-out -s,$(M4FLAGS))
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M4FLAGS_FILTERS=$(M4FLAGS)
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$(o)inst-gen.h: $(s)decl.m4 $(s)f-inst.c $(objdir)/.dir-stamp
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$(M4) $(M4FLAGS_FILTERS) -DTARGET=H -P $^ >$@
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@ -514,6 +514,15 @@ val_format(const struct f_val *v, buffer *buf)
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}
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}
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char *
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val_format_str(struct linpool *lp, const struct f_val *v) {
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buffer b;
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LOG_BUFFER_INIT(b);
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val_format(v, &b);
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return lp_strdup(lp, b.start);
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}
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static char val_dump_buffer[1024];
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const char *
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val_dump(const struct f_val *v) {
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@ -119,7 +119,7 @@ enum f_lval_type {
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struct f_lval {
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enum f_lval_type type;
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union {
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const struct symbol *sym;
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struct symbol *sym;
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struct f_dynamic_attr da;
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struct f_static_attr sa;
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};
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@ -169,6 +169,7 @@ void trie_format(const struct f_trie *t, buffer *buf);
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int val_same(const struct f_val *v1, const struct f_val *v2);
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int val_compare(const struct f_val *v1, const struct f_val *v2);
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void val_format(const struct f_val *v, buffer *buf);
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char *val_format_str(struct linpool *lp, const struct f_val *v);
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const char *val_dump(const struct f_val *v);
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static inline int val_is_ip4(const struct f_val *v)
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109
filter/decl.m4
109
filter/decl.m4
@ -53,7 +53,12 @@ m4_define(FID_LINE_IN, `m4_divert(107)')
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m4_define(FID_INTERPRET_BODY, `m4_divert(108)')
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m4_define(FID_ALL, `FID_INTERPRET_BODY');
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m4_define(FID_HIC, `m4_ifelse(TARGET, [[H]], $1, TARGET, [[I]], $2, TARGET, [[C]], $3)')
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m4_define(FID_HIC, `m4_ifelse(TARGET, [[H]], [[$1]], TARGET, [[I]], [[$2]], TARGET, [[C]], [[$3]])')
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m4_define(FID_INTERPRET_EXEC, `FID_HIC(,[[FID_INTERPRET_BODY()]],[[m4_divert(-1)]])')
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m4_define(FID_INTERPRET_NEW, `FID_HIC(,[[m4_divert(-1)]],[[FID_INTERPRET_BODY()]])')
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m4_define(NEVER_CONSTANT, `m4_define([[INST_NEVER_CONSTANT]])')
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m4_define(FID_IFCONST, `m4_ifdef([[INST_NEVER_CONSTANT]],[[$2]],[[$1]])')
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m4_define(INST_FLUSH, `m4_ifdef([[INST_NAME]], [[
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FID_ENUM
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@ -72,26 +77,29 @@ FID_NEW
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FID_HIC(
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[[
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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[[m4_undivert(102)]]
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m4_undivert(102)
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);]],
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[[
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case INST_NAME():
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#define whati (&(what->i_]]INST_NAME()[[))
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m4_ifelse(m4_eval(INST_INVAL() > 0), 1, [[if (fstk->vcnt < INST_INVAL()) runtime("Stack underflow"); fstk->vcnt -= INST_INVAL(); ]])
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[[m4_undivert(108)]]
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m4_undivert(108)
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#undef whati
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break;
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]],
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[[
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struct f_inst *f_new_inst_]]INST_NAME()[[(enum f_instruction_code fi_code
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[[m4_undivert(102)]]
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m4_undivert(102)
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)
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{
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struct f_inst *what = fi_new(fi_code);
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FID_IFCONST([[uint constargs = 1;]])
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#define whati (&(what->i_]]INST_NAME()[[))
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[[m4_undivert(103)]]
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m4_undivert(103)
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FID_IFCONST([[if (!constargs)]])
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return what;
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FID_IFCONST([[m4_undivert(108)]])
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#undef whati
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return what;
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}
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]])
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@ -130,13 +138,14 @@ m4_undivert(106)
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#undef f1
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#undef f2
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break;
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m4_divert(-1)FID_FLUSH(101,200)
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]])')
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m4_define(INST, `m4_dnl
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INST_FLUSH()m4_dnl
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m4_define([[INST_NAME]], [[$1]])m4_dnl
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m4_define([[INST_INVAL]], [[$2]])m4_dnl
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m4_undefine([[INST_NEVER_CONSTANT]])m4_dnl
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FID_ALL() m4_dnl
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')
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@ -149,22 +158,18 @@ FID_NEW_ARGS
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, $1 $2
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FID_NEW_BODY
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whati->$2 = $2;
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m4_ifelse($3,,,[[
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FID_LINEARIZE_BODY
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item->$3 = whati->$2;
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item->$2 = whati->$2;
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m4_ifelse($3,,,[[
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FID_SAME_BODY
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if ($3) return 0;
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]])
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m4_ifelse($4,,,[[
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FID_SAME_BODY
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if ($4) return 0;
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]])
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m4_ifelse($5,,,[[
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FID_DUMP_BODY
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debug("%s$5\n", INDENT, $6);
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]])
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m4_ifelse($7,,,[[
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FID_INTERPRET_BODY
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$7
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debug("%s$4\n", INDENT, $5);
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]])
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FID_INTERPRET_EXEC
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const $1 $2 = whati->$2
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FID_ALL')
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m4_define(ARG_ANY, `
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@ -174,34 +179,39 @@ FID_NEW_ARGS
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, struct f_inst * f$1
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FID_NEW_BODY
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whati->f$1 = f$1;
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for (const struct f_inst *child = f$1; child; child = child->next) what->size += child->size;
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for (const struct f_inst *child = f$1; child; child = child->next) {
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what->size += child->size;
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FID_IFCONST([[
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if (child->fi_code != FI_CONSTANT)
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constargs = 0;
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]])
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}
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FID_LINEARIZE_BODY
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pos = linearize(dest, whati->f$1, pos);m4_dnl
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pos = linearize(dest, whati->f$1, pos);
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FID_ALL()')
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m4_define(ARG, `ARG_ANY($1)
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FID_INTERPRET_BODY
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FID_INTERPRET_EXEC()
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if (v$1.type != $2) runtime("Argument $1 of instruction %s must be of type $2, got 0x%02x", f_instruction_name(what->fi_code), v$1.type)m4_dnl
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FID_ALL()')
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m4_define(LINEX, `FID_INTERPRET_BODY
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do {
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m4_define(LINEX, `FID_INTERPRET_EXEC()LINEX_($1)FID_INTERPRET_NEW()return $1 FID_ALL()')
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m4_define(LINEX_, `do {
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fstk->estk[fstk->ecnt].pos = 0;
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fstk->estk[fstk->ecnt].line = $1;
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fstk->estk[fstk->ecnt].ventry = fstk->vcnt;
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fstk->estk[fstk->ecnt].vbase = fstk->estk[fstk->ecnt-1].vbase;
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fstk->estk[fstk->ecnt].emask = 0;
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fstk->ecnt++;
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} while (0)m4_dnl
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FID_ALL()')
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} while (0)')
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m4_define(LINE, `
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FID_LINE_IN
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const struct f_line * fl$1;
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FID_STRUCT_IN
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const struct f_inst * f$1;
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struct f_inst * f$1;
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FID_NEW_ARGS
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, const struct f_inst * f$1
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, struct f_inst * f$1
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FID_NEW_BODY
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whati->f$1 = f$1;
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FID_DUMP_BODY
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@ -210,23 +220,25 @@ FID_LINEARIZE_BODY
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item->fl$1 = f_linearize(whati->f$1);
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FID_SAME_BODY
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if (!f_same(f1->fl$1, f2->fl$1)) return 0;
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FID_INTERPRET_BODY
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FID_INTERPRET_EXEC
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do { if (whati->fl$1) {
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LINEX(whati->fl$1);
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} } while(0)m4_dnl
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LINEX_(whati->fl$1);
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} } while(0)
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FID_INTERPRET_NEW
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return whati->f$1
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FID_ALL()')
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m4_define(RESULT, `RESULT_VAL([[ (struct f_val) { .type = $1, .val.$2 = $3 } ]])')
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m4_define(RESULT_VAL, `FID_INTERPRET_BODY()do { res = $1; fstk->vcnt++; } while (0)FID_ALL()')
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m4_define(RESULT_VAL, `FID_HIC(, [[do { res = $1; fstk->vcnt++; } while (0)]],
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[[return fi_constant(what, $1)]])')
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m4_define(RESULT_VOID, `RESULT_VAL([[ (struct f_val) { .type = T_VOID } ]])')
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m4_define(SYMBOL, `FID_MEMBER(const struct symbol *, sym, sym,
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[[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], symbol %s, item->sym->name, const struct symbol *sym = whati->sym)')
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m4_define(FRET, `')
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m4_define(ECS, `FID_MEMBER(enum ec_subtype, ecs, ecs, f1->ecs != f2->ecs, ec subtype %s, ec_subtype_str(item->ecs), enum ec_subtype ecs = whati->ecs)')
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m4_define(RTC, `FID_MEMBER(const struct rtable_config *, rtc, rtc, [[strcmp(f1->rtc->name, f2->rtc->name)]], route table %s, item->rtc->name, struct rtable *table = whati->rtc->table)')
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m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa, sa, f1->sa.sa_code != f2->sa.sa_code,,, struct f_static_attr sa = whati->sa)')
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m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da, da, f1->da.ea_code != f2->da.ea_code,,, struct f_dynamic_attr da = whati->da)')
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m4_define(SYMBOL, `FID_MEMBER(struct symbol *, sym,
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[[strcmp(f1->sym->name, f2->sym->name) || (f1->sym->class != f2->sym->class)]], symbol %s, item->sym->name)')
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m4_define(RTC, `FID_MEMBER(struct rtable_config *, rtc, [[strcmp(f1->rtc->name, f2->rtc->name)]], route table %s, item->rtc->name)')
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m4_define(STATIC_ATTR, `FID_MEMBER(struct f_static_attr, sa, f1->sa.sa_code != f2->sa.sa_code,,)')
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m4_define(DYNAMIC_ATTR, `FID_MEMBER(struct f_dynamic_attr, da, f1->da.ea_code != f2->da.ea_code,,)')
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m4_define(ACCESS_RTE, `NEVER_CONSTANT()')
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m4_define(FID_WR_PUT_LIST)
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m4_define(FID_WR_PUT_ALSO, `m4_define([[FID_WR_PUT_LIST]],FID_WR_PUT_LIST()[[FID_WR_DPUT(]]FID_WR_DIDX[[)FID_WR_DPUT(]]$1[[)]])m4_define([[FID_WR_DIDX]],m4_eval(FID_WR_DIDX+1))m4_divert(FID_WR_DIDX)')
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@ -267,8 +279,25 @@ fi_new(enum f_instruction_code fi_code)
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return what;
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}
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static inline struct f_inst *
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fi_constant(struct f_inst *what, struct f_val val)
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{
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what->fi_code = FI_CONSTANT;
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what->i_FI_CONSTANT.val = val;
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return what;
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}
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#define v1 whati->f1->i_FI_CONSTANT.val
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#define v2 whati->f2->i_FI_CONSTANT.val
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#define v3 whati->f3->i_FI_CONSTANT.val
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#define runtime(fmt, ...) cf_error("filter preevaluation, line %d: " fmt, ifs->lino, ##__VA_ARGS__)
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#define fpool cfg_mem
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#define falloc(size) cfg_alloc(size)
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/* Instruction constructors */
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FID_WR_PUT(3)
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#undef v1
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#undef v2
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#undef v3
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/* Line dumpers */
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#define INDENT (((const char *) f_dump_line_indent_str) + sizeof(f_dump_line_indent_str) - (indent) - 1)
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@ -387,9 +416,9 @@ FID_WR_PUT(3)
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m4_divert(-1)
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m4_changequote(`,')
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m4_define(FID_CLEANUP, `m4_ifelse($1,$2,,[[m4_undivert($1)FID_CLEANUP(m4_eval($1+1),$2)]])')
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m4_define(FID_FLUSH, `m4_ifelse($1,$2,,[[m4_undivert($1)FID_FLUSH(m4_eval($1+1),$2)]])')
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m4_define(FID_WR_DPUT, `m4_undivert($1)')
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m4_m4wrap(`INST_FLUSH()m4_divert(0)FID_WR_PUT_LIST()m4_divert(-1)FID_CLEANUP(1,200)')
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m4_m4wrap(`INST_FLUSH()m4_divert(0)FID_WR_PUT_LIST()m4_divert(-1)FID_FLUSH(1,200)')
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m4_changequote([[,]])
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113
filter/f-inst.c
113
filter/f-inst.c
@ -37,12 +37,10 @@
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*
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* m4_dnl FID_MEMBER( custom instruction member
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* m4_dnl C type, for storage in structs
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* m4_dnl name in f_inst, how the member is named before linearization
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* m4_dnl name in f_line_item, how the member is named afterwards
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* m4_dnl name, how the member is named
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* m4_dnl comparator for same(), if different, this should be TRUE (CAVEAT)
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* m4_dnl dump format string debug -> format string for bvsnprintf
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* m4_dnl dump format args appropriate args
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* m4_dnl interpreter body how to deal with this on execution
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* m4_dnl )
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*
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* m4_dnl RESULT(type, union-field, value); putting this on value stack
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@ -106,7 +104,7 @@
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ARG_ANY(1);
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ARG(2, T_INT);
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FID_MEMBER(enum ec_subtype, ecs, ecs, f1->ecs != f2->ecs, ec subtype %s, ec_subtype_str(item->ecs), enum ec_subtype ecs = whati->ecs);
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FID_MEMBER(enum ec_subtype, ecs, f1->ecs != f2->ecs, ec subtype %s, ec_subtype_str(item->ecs));
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int check, ipv4_used;
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u32 key, val;
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@ -152,24 +150,37 @@
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INST(FI_PATHMASK_CONSTRUCT, 0, 1) {
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ARG_ANY(1);
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FID_MEMBER(uint, count, count, f1->count != f2->count, number of items %u, item->count);
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FID_MEMBER(uint, count, f1->count != f2->count, number of items %u, item->count);
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FID_NEW_BODY
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uint len = 0;
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uint dyn = 0;
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for (const struct f_inst *tt = f1; tt; tt = tt->next, len++)
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if (tt->fi_code != FI_CONSTANT)
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dyn++;
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for (const struct f_inst *tt = f1; tt; tt = tt->next, len++);
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whati->count = len;
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struct f_inst **items;
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if (constargs) {
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items = alloca(len * sizeof(struct f_inst *));
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for (uint i=0; f1; i++) {
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items[i] = f1;
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f1 = f1->next;
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items[i]->next = 0;
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}
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whati->f1 = NULL;
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}
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FID_ALL
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FID_INTERPRET_EXEC
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if (fstk->vcnt < whati->count) /* TODO: make this check systematic */
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runtime("Construction of BGP path mask from %u elements must have at least that number of elements", whati->count);
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struct f_path_mask *pm = lp_alloc(fs->pool, sizeof(struct f_path_mask) + whati->count * sizeof(struct f_path_mask_item));
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#define pv fstk->vstk[fstk->vcnt - count + i]
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FID_INTERPRET_NEW
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#define pv items[i]->i_FI_CONSTANT.val
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FID_INTERPRET_BODY
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struct f_path_mask *pm = falloc(sizeof(struct f_path_mask) + whati->count * sizeof(struct f_path_mask_item));
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for (uint i=0; i<whati->count; i++) {
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#define pv fstk->vstk[fstk->vcnt - whati->count + i]
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switch (pv.type) {
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case T_PATH_MASK_ITEM:
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pm->item[i] = pv.val.pmi;
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@ -185,9 +196,11 @@
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}
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}
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fstk->vcnt -= whati->count;
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pm->len = whati->count;
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FID_INTERPRET_EXEC
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fstk->vcnt -= whati->count;
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FID_ALL
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pm->len = whati->count;
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RESULT(T_PATH_MASK, path_mask, pm);
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}
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@ -270,8 +283,10 @@
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/* Set to indirect value prepared in v1 */
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INST(FI_VAR_SET, 1, 0) {
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NEVER_CONSTANT;
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ARG_ANY(1);
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SYMBOL;
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if ((sym->class != (SYM_VARIABLE | v1.type)) && (v1.type != T_VOID))
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{
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/* IP->Quad implicit conversion */
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@ -289,6 +304,7 @@
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INST(FI_VAR_GET, 0, 1) {
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SYMBOL;
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||||
NEVER_CONSTANT;
|
||||
RESULT_VAL(fstk->vstk[curline.vbase + sym->offset]);
|
||||
}
|
||||
|
||||
@ -297,26 +313,27 @@
|
||||
FID_MEMBER(
|
||||
struct f_val,
|
||||
val,
|
||||
val,
|
||||
[[ !val_same(&(f1->val), &(f2->val)) ]],
|
||||
value %s,
|
||||
val_dump(&(item->val))
|
||||
);
|
||||
|
||||
RESULT_VAL(whati->val);
|
||||
RESULT_VAL(val);
|
||||
}
|
||||
INST(FI_PRINT, 1, 0) {
|
||||
NEVER_CONSTANT;
|
||||
ARG_ANY(1);
|
||||
val_format(&(v1), &fs->buf);
|
||||
}
|
||||
INST(FI_CONDITION, 1, 0) {
|
||||
ARG(1, T_BOOL);
|
||||
if (res.val.i)
|
||||
if (v1.val.i)
|
||||
LINE(2,0);
|
||||
else
|
||||
LINE(3,1);
|
||||
}
|
||||
INST(FI_PRINT_AND_DIE, 0, 0) {
|
||||
NEVER_CONSTANT;
|
||||
FID_LINEARIZE_BODY
|
||||
{
|
||||
uint opos = pos;
|
||||
@ -330,7 +347,7 @@
|
||||
}
|
||||
FID_ALL
|
||||
|
||||
FID_MEMBER(enum filter_return, fret, fret, f1->fret != f2->fret, %s, filter_return_str(item->fret), enum filter_return fret = whati->fret);
|
||||
FID_MEMBER(enum filter_return, fret, f1->fret != f2->fret, %s, filter_return_str(item->fret));
|
||||
|
||||
if ((fret == F_NOP || (fret != F_NONL && (what->flags & FIF_PRINTED))) &&
|
||||
!(fs->flags & FF_SILENT))
|
||||
@ -663,7 +680,7 @@
|
||||
runtime( "SADR expected" );
|
||||
|
||||
net_addr_ip6_sadr *net = (void *) v1.val.net;
|
||||
net_addr *src = lp_alloc(fs->pool, sizeof(net_addr_ip6));
|
||||
net_addr *src = falloc(sizeof(net_addr_ip6));
|
||||
net_fill_ip6(src, net->src_prefix, net->src_pxlen);
|
||||
|
||||
RESULT(T_NET, net, src);
|
||||
@ -721,6 +738,7 @@
|
||||
}
|
||||
|
||||
INST(FI_RETURN, 1, 1) {
|
||||
NEVER_CONSTANT;
|
||||
/* Acquire the return value */
|
||||
ARG_ANY(1);
|
||||
uint retpos = fstk->vcnt;
|
||||
@ -748,6 +766,7 @@
|
||||
}
|
||||
|
||||
INST(FI_CALL, 0, 1) {
|
||||
NEVER_CONSTANT;
|
||||
SYMBOL;
|
||||
|
||||
/* Push the body on stack */
|
||||
@ -768,13 +787,14 @@
|
||||
}
|
||||
|
||||
INST(FI_DROP_RESULT, 1, 0) {
|
||||
NEVER_CONSTANT;
|
||||
ARG_ANY(1);
|
||||
}
|
||||
|
||||
INST(FI_SWITCH, 1, 0) {
|
||||
ARG_ANY(1);
|
||||
|
||||
FID_MEMBER(const struct f_tree *, tree, tree, [[!same_tree(f1->tree, f2->tree)]], tree %p, item->tree, const struct f_tree *tree = whati->tree);
|
||||
FID_MEMBER(struct f_tree *, tree, [[!same_tree(f1->tree, f2->tree)]], tree %p, item->tree);
|
||||
|
||||
const struct f_tree *t = find_tree(tree, &v1);
|
||||
if (!t) {
|
||||
@ -782,7 +802,7 @@
|
||||
t = find_tree(tree, &v1);
|
||||
if (!t) {
|
||||
debug( "No else statement?\n");
|
||||
break;
|
||||
FID_HIC(,break,return NULL);
|
||||
}
|
||||
}
|
||||
/* It is actually possible to have t->data NULL */
|
||||
@ -801,7 +821,7 @@
|
||||
INST(FI_PATH_PREPEND, 2, 1) { /* Path prepend */
|
||||
ARG(1, T_PATH);
|
||||
ARG(2, T_INT);
|
||||
RESULT(T_PATH, ad, [[ as_path_prepend(fs->pool, v1.val.ad, v2.val.i) ]]);
|
||||
RESULT(T_PATH, ad, [[ as_path_prepend(fpool, v1.val.ad, v2.val.i) ]]);
|
||||
}
|
||||
|
||||
INST(FI_CLIST_ADD, 2, 1) { /* (Extended) Community list add */
|
||||
@ -816,14 +836,14 @@
|
||||
struct f_val dummy;
|
||||
|
||||
if ((v2.type == T_PAIR) || (v2.type == T_QUAD))
|
||||
RESULT(T_CLIST, ad, [[ int_set_add(fs->pool, v1.val.ad, v2.val.i) ]]);
|
||||
RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, v2.val.i) ]]);
|
||||
/* IP->Quad implicit conversion */
|
||||
else if (val_is_ip4(&v2))
|
||||
RESULT(T_CLIST, ad, [[ int_set_add(fs->pool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
|
||||
RESULT(T_CLIST, ad, [[ int_set_add(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
|
||||
else if ((v2.type == T_SET) && clist_set_type(v2.val.t, &dummy))
|
||||
runtime("Can't add set");
|
||||
else if (v2.type == T_CLIST)
|
||||
RESULT(T_CLIST, ad, [[ int_set_union(fs->pool, v1.val.ad, v2.val.ad) ]]);
|
||||
RESULT(T_CLIST, ad, [[ int_set_union(fpool, v1.val.ad, v2.val.ad) ]]);
|
||||
else
|
||||
runtime("Can't add non-pair");
|
||||
}
|
||||
@ -834,11 +854,11 @@
|
||||
if ((v2.type == T_SET) && eclist_set_type(v2.val.t))
|
||||
runtime("Can't add set");
|
||||
else if (v2.type == T_ECLIST)
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_union(fs->pool, v1.val.ad, v2.val.ad) ]]);
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_union(fpool, v1.val.ad, v2.val.ad) ]]);
|
||||
else if (v2.type != T_EC)
|
||||
runtime("Can't add non-ec");
|
||||
else
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_add(fs->pool, v1.val.ad, v2.val.ec) ]]);
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_add(fpool, v1.val.ad, v2.val.ec) ]]);
|
||||
}
|
||||
|
||||
else if (v1.type == T_LCLIST)
|
||||
@ -847,11 +867,11 @@
|
||||
if ((v2.type == T_SET) && lclist_set_type(v2.val.t))
|
||||
runtime("Can't add set");
|
||||
else if (v2.type == T_LCLIST)
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_union(fs->pool, v1.val.ad, v2.val.ad) ]]);
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_union(fpool, v1.val.ad, v2.val.ad) ]]);
|
||||
else if (v2.type != T_LC)
|
||||
runtime("Can't add non-lc");
|
||||
else
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_add(fs->pool, v1.val.ad, v2.val.lc) ]]);
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_add(fpool, v1.val.ad, v2.val.lc) ]]);
|
||||
|
||||
}
|
||||
|
||||
@ -874,7 +894,7 @@
|
||||
else
|
||||
runtime("Can't delete non-integer (set)");
|
||||
|
||||
RESULT(T_PATH, ad, [[ as_path_filter(fs->pool, v1.val.ad, set, key, 0) ]]);
|
||||
RESULT(T_PATH, ad, [[ as_path_filter(fpool, v1.val.ad, set, key, 0) ]]);
|
||||
}
|
||||
|
||||
else if (v1.type == T_CLIST)
|
||||
@ -883,12 +903,12 @@
|
||||
struct f_val dummy;
|
||||
|
||||
if ((v2.type == T_PAIR) || (v2.type == T_QUAD))
|
||||
RESULT(T_CLIST, ad, [[ int_set_del(fs->pool, v1.val.ad, v2.val.i) ]]);
|
||||
RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, v2.val.i) ]]);
|
||||
/* IP->Quad implicit conversion */
|
||||
else if (val_is_ip4(&v2))
|
||||
RESULT(T_CLIST, ad, [[ int_set_del(fs->pool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
|
||||
RESULT(T_CLIST, ad, [[ int_set_del(fpool, v1.val.ad, ipa_to_u32(v2.val.ip)) ]]);
|
||||
else if ((v2.type == T_SET) && clist_set_type(v2.val.t, &dummy) || (v2.type == T_CLIST))
|
||||
RESULT(T_CLIST, ad, [[ clist_filter(fs->pool, v1.val.ad, &v2, 0) ]]);
|
||||
RESULT(T_CLIST, ad, [[ clist_filter(fpool, v1.val.ad, &v2, 0) ]]);
|
||||
else
|
||||
runtime("Can't delete non-pair");
|
||||
}
|
||||
@ -897,22 +917,22 @@
|
||||
{
|
||||
/* v2.val is either EC or EC-set */
|
||||
if ((v2.type == T_SET) && eclist_set_type(v2.val.t) || (v2.type == T_ECLIST))
|
||||
RESULT(T_ECLIST, ad, [[ eclist_filter(fs->pool, v1.val.ad, &v2, 0) ]]);
|
||||
RESULT(T_ECLIST, ad, [[ eclist_filter(fpool, v1.val.ad, &v2, 0) ]]);
|
||||
else if (v2.type != T_EC)
|
||||
runtime("Can't delete non-ec");
|
||||
else
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_del(fs->pool, v1.val.ad, v2.val.ec) ]]);
|
||||
RESULT(T_ECLIST, ad, [[ ec_set_del(fpool, v1.val.ad, v2.val.ec) ]]);
|
||||
}
|
||||
|
||||
else if (v1.type == T_LCLIST)
|
||||
{
|
||||
/* v2.val is either LC or LC-set */
|
||||
if ((v2.type == T_SET) && lclist_set_type(v2.val.t) || (v2.type == T_LCLIST))
|
||||
RESULT(T_LCLIST, ad, [[ lclist_filter(fs->pool, v1.val.ad, &v2, 0) ]]);
|
||||
RESULT(T_LCLIST, ad, [[ lclist_filter(fpool, v1.val.ad, &v2, 0) ]]);
|
||||
else if (v2.type != T_LC)
|
||||
runtime("Can't delete non-lc");
|
||||
else
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_del(fs->pool, v1.val.ad, v2.val.lc) ]]);
|
||||
RESULT(T_LCLIST, ad, [[ lc_set_del(fpool, v1.val.ad, v2.val.lc) ]]);
|
||||
}
|
||||
|
||||
else
|
||||
@ -927,7 +947,7 @@
|
||||
u32 key = 0;
|
||||
|
||||
if ((v2.type == T_SET) && (v2.val.t->from.type == T_INT))
|
||||
RESULT(T_PATH, ad, [[ as_path_filter(fs->pool, v1.val.ad, v2.val.t, key, 1) ]]);
|
||||
RESULT(T_PATH, ad, [[ as_path_filter(fpool, v1.val.ad, v2.val.t, key, 1) ]]);
|
||||
else
|
||||
runtime("Can't filter integer");
|
||||
}
|
||||
@ -938,7 +958,7 @@
|
||||
struct f_val dummy;
|
||||
|
||||
if ((v2.type == T_SET) && clist_set_type(v2.val.t, &dummy) || (v2.type == T_CLIST))
|
||||
RESULT(T_CLIST, ad, [[ clist_filter(fs->pool, v1.val.ad, &v2, 1) ]]);
|
||||
RESULT(T_CLIST, ad, [[ clist_filter(fpool, v1.val.ad, &v2, 1) ]]);
|
||||
else
|
||||
runtime("Can't filter pair");
|
||||
}
|
||||
@ -947,7 +967,7 @@
|
||||
{
|
||||
/* v2.val is either EC or EC-set */
|
||||
if ((v2.type == T_SET) && eclist_set_type(v2.val.t) || (v2.type == T_ECLIST))
|
||||
RESULT(T_ECLIST, ad, [[ eclist_filter(fs->pool, v1.val.ad, &v2, 1) ]]);
|
||||
RESULT(T_ECLIST, ad, [[ eclist_filter(fpool, v1.val.ad, &v2, 1) ]]);
|
||||
else
|
||||
runtime("Can't filter ec");
|
||||
}
|
||||
@ -956,7 +976,7 @@
|
||||
{
|
||||
/* v2.val is either LC or LC-set */
|
||||
if ((v2.type == T_SET) && lclist_set_type(v2.val.t) || (v2.type == T_LCLIST))
|
||||
RESULT(T_LCLIST, ad, [[ lclist_filter(fs->pool, v1.val.ad, &v2, 1) ]]);
|
||||
RESULT(T_LCLIST, ad, [[ lclist_filter(fpool, v1.val.ad, &v2, 1) ]]);
|
||||
else
|
||||
runtime("Can't filter lc");
|
||||
}
|
||||
@ -966,7 +986,9 @@
|
||||
}
|
||||
|
||||
INST(FI_ROA_CHECK_IMPLICIT, 0, 1) { /* ROA Check */
|
||||
NEVER_CONSTANT;
|
||||
RTC(1);
|
||||
struct rtable *table = rtc->table;
|
||||
ACCESS_RTE;
|
||||
ACCESS_EATTRS;
|
||||
const net_addr *net = (*fs->rte)->net->n.addr;
|
||||
@ -994,9 +1016,11 @@
|
||||
}
|
||||
|
||||
INST(FI_ROA_CHECK_EXPLICIT, 2, 1) { /* ROA Check */
|
||||
NEVER_CONSTANT;
|
||||
ARG(1, T_NET);
|
||||
ARG(2, T_INT);
|
||||
RTC(3);
|
||||
struct rtable *table = rtc->table;
|
||||
|
||||
u32 as = v2.val.i;
|
||||
|
||||
@ -1015,15 +1039,18 @@
|
||||
|
||||
INST(FI_FORMAT, 1, 0) { /* Format */
|
||||
ARG_ANY(1);
|
||||
RESULT(T_STRING, s, val_format_str(fs, &v1));
|
||||
RESULT(T_STRING, s, val_format_str(fpool, &v1));
|
||||
}
|
||||
|
||||
INST(FI_ASSERT, 1, 0) { /* Birdtest Assert */
|
||||
NEVER_CONSTANT;
|
||||
ARG(1, T_BOOL);
|
||||
FID_MEMBER(const char *, s, s, [[strcmp(f1->s, f2->s)]], string \"%s\", item->s);
|
||||
FID_MEMBER(char *, s, [[strcmp(f1->s, f2->s)]], string \"%s\", item->s);
|
||||
|
||||
ASSERT(s);
|
||||
|
||||
if (!bt_assert_hook)
|
||||
runtime("No bt_assert hook registered, can't assert");
|
||||
|
||||
bt_assert_hook(res.val.i, what);
|
||||
bt_assert_hook(v1.val.i, what);
|
||||
}
|
||||
|
||||
@ -150,14 +150,6 @@ f_rta_cow(struct filter_state *fs)
|
||||
f_cache_eattrs(fs);
|
||||
}
|
||||
|
||||
static char *
|
||||
val_format_str(struct filter_state *fs, struct f_val *v) {
|
||||
buffer b;
|
||||
LOG_BUFFER_INIT(b);
|
||||
val_format(v, &b);
|
||||
return lp_strdup(fs->pool, b.start);
|
||||
}
|
||||
|
||||
static struct tbf rl_runtime_err = TBF_DEFAULT_LOG_LIMITS;
|
||||
|
||||
/**
|
||||
@ -215,6 +207,9 @@ interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
|
||||
return F_ERROR; \
|
||||
} while(0)
|
||||
|
||||
#define falloc(size) lp_alloc(fs->pool, size)
|
||||
#define fpool fs->pool
|
||||
|
||||
#define ACCESS_RTE do { if (!fs->rte) runtime("No route to access"); } while (0)
|
||||
#define ACCESS_EATTRS do { if (!fs->eattrs) f_cache_eattrs(fs); } while (0)
|
||||
|
||||
@ -224,6 +219,8 @@ interpret(struct filter_state *fs, const struct f_line *line, struct f_val *val)
|
||||
#undef v2
|
||||
#undef v3
|
||||
#undef runtime
|
||||
#undef falloc
|
||||
#undef fpool
|
||||
#undef ACCESS_RTE
|
||||
#undef ACCESS_EATTRS
|
||||
}
|
||||
|
||||
@ -101,9 +101,13 @@ void buffer_realloc(void **buf, unsigned *size, unsigned need, unsigned item_siz
|
||||
*/
|
||||
#define DMALLOC_DISABLE
|
||||
#include <dmalloc.h>
|
||||
#define xmalloc(size) _xmalloc_leap(__FILE__, __LINE__, size)
|
||||
#define xrealloc(size) _xrealloc_leap(__FILE__, __LINE__, size)
|
||||
#define xfree(ptr) _xfree_leap(__FILE__, __LINE__, ptr)
|
||||
#define xmalloc(size) \
|
||||
dmalloc_malloc(__FILE__, __LINE__, (size), DMALLOC_FUNC_MALLOC, 0, 1)
|
||||
#define xrealloc(ptr, size) \
|
||||
dmalloc_realloc(__FILE__, __LINE__, (ptr), (size), DMALLOC_FUNC_REALLOC, 1)
|
||||
#define xfree(ptr) \
|
||||
dmalloc_free(__FILE__, __LINE__, (ptr), DMALLOC_FUNC_FREE)
|
||||
|
||||
#else
|
||||
/*
|
||||
* Unfortunately, several libraries we might want to link to define
|
||||
|
||||
Loading…
Reference in New Issue
Block a user