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fixed handling of size+unit when value would be too large for internal

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representation.

max-cache-size config option now takes a size-spec like 'datasize',
except 'default' is not allowed.
This commit is contained in:
James Brister 2000-06-09 22:13:23 +00:00
parent 3fe45d9897
commit bedfa169b4
5 changed files with 64 additions and 24 deletions
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6
CHANGES
View file

@ -1,3 +1,9 @@
250. [bug] fixed handling of size+unit when value would be too
large for internal representation.
249. [cleanup] max-cache-size config option now takes a size-spec
like 'datasize', except 'default' is not allowed.
248. [bug] global lame-ttl option was not being printed when
config structures were written out.

2
bin/tests/named.conf
View file

@ -150,7 +150,7 @@ options {
coresize 100;
datasize 101;
files 230;
max-cache-size 200000;
max-cache-size 1m;
stacksize 231;
cleaning-interval 1000;
heartbeat-interval 1001;

4
lib/dns/config/confctx.c
View file

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: confctx.c,v 1.67 2000/06/09 15:54:26 brister Exp $ */
/* $Id: confctx.c,v 1.68 2000/06/09 22:13:20 brister Exp $ */
#include <config.h>
@ -946,7 +946,7 @@ dns_c_ctx_optionsprint(FILE *fp, int indent, dns_c_options_t *options)
PRINT_INTEGER(min_roots, "min-roots");
PRINT_INTEGER(serial_queries, "serial-queries");
PRINT_INTEGER(sig_valid_interval, "sig-validity-interval");
PRINT_INTEGER(max_cache_size, "max-cache-size");
PRINT_AS_SIZE_CLAUSE(max_cache_size, "max-cache-size");
PRINT_AS_SIZE_CLAUSE(data_size, "datasize");
PRINT_AS_SIZE_CLAUSE(stack_size, "stacksize");

72
lib/dns/config/confparser.y
View file

@ -16,7 +16,7 @@
* SOFTWARE.
*/
/* $Id: confparser.y,v 1.95 2000/06/09 15:03:24 brister Exp $ */
/* $Id: confparser.y,v 1.96 2000/06/09 22:13:21 brister Exp $ */
#include <config.h>
@ -126,7 +126,7 @@ static void parser_warning(isc_boolean_t lasttoken,
static void parser_complain(isc_boolean_t is_warning,
isc_boolean_t last_token,
const char *format, va_list args);
static isc_boolean_t unit_to_uint32(char *in, isc_uint32_t *out);
static isc_result_t unit_to_uint32(char *in, isc_uint32_t *out);
static const char * token_to_keyword(int token);
static void yyerror(const char *);
static dns_peerlist_t *currentpeerlist(dns_c_ctx_t *cfg,
@ -1919,8 +1919,15 @@ size_clause: L_DATASIZE size_spec
YYABORT;
}
}
| L_MAX_CACHE_SIZE L_INTEGER
| L_MAX_CACHE_SIZE size_spec
{
if ($2 == DNS_C_SIZE_SPEC_DEFAULT) {
parser_error(ISC_FALSE,
"cannot specific 'default' for "
"'max-cache-size'");
YYABORT;
}
tmpres = dns_c_ctx_setmaxcachesize(currcfg, $2);
if (tmpres == ISC_R_EXISTS) {
parser_error(ISC_FALSE,
@ -1939,22 +1946,26 @@ size_spec: any_string
{
isc_uint32_t result;
if (unit_to_uint32($1, &result)) {
tmpres = unit_to_uint32($1, &result);
if (tmpres == ISC_R_SUCCESS) {
$$ = result;
if ($$ == DNS_C_SIZE_SPEC_DEFAULT) {
isc_uint32_t newi = DNS_C_SIZE_SPEC_DEFAULT-1;
parser_warning(ISC_FALSE,
"value (%lu) too big, "
"reducing to %lu",
(unsigned long)$$,
(unsigned long)newi);
$$ = newi; }
} else {
} else if (tmpres == ISC_R_RANGE) {
$$ = DNS_C_SIZE_SPEC_UNLIM;
parser_warning(ISC_FALSE,
"invalid value %s: using 'unlimited'",
$1);
} else if (tmpres == ISC_R_FAILURE) {
parser_warning(ISC_FALSE,
"invalid unit string '%s', Using "
"default", $1);
"'default'", $1);
$$ = DNS_C_SIZE_SPEC_DEFAULT;
} else {
parser_warning(ISC_FALSE,
"unknown result: %s: using 'default'",
isc_result_totext(tmpres));
$$ = DNS_C_SIZE_SPEC_DEFAULT;
}
isc_mem_free(memctx, $1);
}
| L_INTEGER
@ -3784,12 +3795,19 @@ view_option: L_FORWARD zone_forward_opt
YYABORT;
}
}
| L_MAX_CACHE_SIZE L_INTEGER
| L_MAX_CACHE_SIZE size_spec
{
dns_c_view_t *view = dns_c_ctx_getcurrview(currcfg);
INSIST(view != NULL);
if ($2 == DNS_C_SIZE_SPEC_DEFAULT) {
parser_error(ISC_FALSE,
"cannot specific 'default' for "
"'max-cache-size'");
YYABORT;
}
tmpres = dns_c_view_setmaxcachesize(view, $2);
if (tmpres == ISC_R_EXISTS) {
parser_error(ISC_FALSE,
@ -5761,44 +5779,60 @@ intuit_token(const char *string)
* Conversion Routines
*/
static isc_boolean_t
static isc_result_t
unit_to_uint32(char *in, isc_uint32_t *out) {
char *start = in;
int c, units_done = 0;
isc_uint32_t result = 0L;
isc_uint32_t maxK = 4194304; /* 2^32 / 1024 */
isc_uint32_t maxM = 4096; /* 2^32 / (1024 * 1024) */
isc_uint32_t maxG = 4; /* 2^32 / (1024 * 1024 * 1024) */
INSIST(in != NULL);
for (; (c = *in) != '\0'; in++) {
if (units_done)
return (ISC_FALSE);
return (ISC_R_FAILURE);
if (isdigit((unsigned char)c)) {
result *= 10;
result += (c - '0');
} else {
if (start == in) {
return (ISC_R_FAILURE);
}
switch (c) {
case 'k':
case 'K':
if (result > maxK) {
return (ISC_R_RANGE);
}
result *= 1024;
units_done = 1;
break;
case 'm':
case 'M':
if (result > maxM) {
return (ISC_R_RANGE);
}
result *= (1024*1024);
units_done = 1;
break;
case 'g':
case 'G':
if (result > maxG) {
return (ISC_R_RANGE);
}
result *= (1024*1024*1024);
units_done = 1;
break;
default:
return (ISC_FALSE);
return (ISC_R_FAILURE);
}
}
}
*out = result;
return (ISC_TRUE);
return (ISC_R_SUCCESS);
}

4
lib/dns/config/confview.c
View file

@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: confview.c,v 1.35 2000/06/09 15:03:25 brister Exp $ */
/* $Id: confview.c,v 1.36 2000/06/09 22:13:23 brister Exp $ */
#include <config.h>
@ -678,7 +678,7 @@ dns_c_view_print(FILE *fp, int indent, dns_c_view_t *view) {
PRINT_INT32(max_cache_ttl, "max-cache-ttl");
PRINT_INT32(sig_valid_interval, "sig-validity-interval");
PRINT_INT32(max_cache_size, "max-cache-size");
PRINT_AS_SIZE_CLAUSE(max_cache_size, "max-cache-size");
if (view->additional_data != NULL) {
dns_c_printtabs(fp, indent + 1);