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[MEDIUM] acl: get rid of dummy values in always_true/always_false

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make use of last change in order to get rid of dummy values in
always_true/always_false.
This commit is contained in:
Willy Tarreau 2008-07-20 10:39:22 +02:00
parent a79534fce1
commit 58393e103f
3 changed files with 43 additions and 20 deletions
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4
doc/configuration.txt
View File

@ -3941,8 +3941,8 @@ only the first three ones are not layer 7 based.
ACL name Equivalent to Usage
---------------+-----------------------------+---------------------------------
TRUE always_true 1 always match
FALSE always_false 0 never match
TRUE always_true always match
FALSE always_false never match
LOCALHOST src 127.0.0.1/8 match connection from local host
HTTP_1.0 req_ver 1.0 match HTTP version 1.0
HTTP_1.1 req_ver 1.1 match HTTP version 1.1

10
include/proto/acl.h
View File

@ -111,6 +111,9 @@ void acl_unregister_keywords(struct acl_kw_list *kwl);
*/
/* ignore the current line */
int acl_parse_nothing(const char **text, struct acl_pattern *pattern, int *opaque);
/* NB: For two strings to be identical, it is required that their lengths match */
int acl_match_str(struct acl_test *test, struct acl_pattern *pattern);
@ -141,6 +144,13 @@ int acl_parse_reg(const char **text, struct acl_pattern *pattern, int *opaque);
*/
int acl_parse_ip(const char **text, struct acl_pattern *pattern, int *opaque);
/* always fake a data retrieval */
int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, int dir,
struct acl_expr *expr, struct acl_test *test);
/* always return false */
int acl_match_nothing(struct acl_test *test, struct acl_pattern *pattern);
/* Checks that the pattern matches the end of the tested string. */
int acl_match_end(struct acl_test *test, struct acl_pattern *pattern);

47
src/acl.c
View File

@ -30,31 +30,44 @@ static struct acl_kw_list acl_keywords = {
* These functions are only used for debugging complex configurations.
*/
/* ignore the current line */
/* force TRUE to be returned at the fetch level */
static int
acl_parse_nothing(const char **text, struct acl_pattern *pattern, int *opaque)
acl_fetch_true(struct proxy *px, struct session *l4, void *l7, int dir,
struct acl_expr *expr, struct acl_test *test)
{
test->flags |= ACL_TEST_F_SET_RES_PASS;
return 1;
}
/* force FALSE to be returned at the fetch level */
static int
acl_fetch_false(struct proxy *px, struct session *l4, void *l7, int dir,
struct acl_expr *expr, struct acl_test *test)
{
test->flags |= ACL_TEST_F_SET_RES_FAIL;
return 1;
}
/*
* These functions are exported and may be used by any other component.
*/
/* ignore the current line */
int acl_parse_nothing(const char **text, struct acl_pattern *pattern, int *opaque)
{
return 1;
}
/* always fake a data retrieval */
static int
acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, int dir,
int acl_fetch_nothing(struct proxy *px, struct session *l4, void *l7, int dir,
struct acl_expr *expr, struct acl_test *test)
{
return 1;
}
/* always return true */
static int
acl_match_true(struct acl_test *test, struct acl_pattern *pattern)
{
return ACL_PAT_PASS;
}
/* always return false */
static int
acl_match_false(struct acl_test *test, struct acl_pattern *pattern)
int acl_match_nothing(struct acl_test *test, struct acl_pattern *pattern)
{
return ACL_PAT_FAIL;
}
@ -743,8 +756,8 @@ const struct {
const char *name;
const char *expr[4]; /* put enough for longest expression */
} default_acl_list[] = {
{ .name = "TRUE", .expr = {"always_true","1",""}},
{ .name = "FALSE", .expr = {"always_false","0",""}},
{ .name = "TRUE", .expr = {"always_true",""}},
{ .name = "FALSE", .expr = {"always_false",""}},
{ .name = "LOCALHOST", .expr = {"src","127.0.0.1/8",""}},
{ .name = "HTTP_1.0", .expr = {"req_ver","1.0",""}},
{ .name = "HTTP_1.1", .expr = {"req_ver","1.1",""}},
@ -1049,8 +1062,8 @@ int acl_exec_cond(struct acl_cond *cond, struct proxy *px, struct session *l4, v
/* Note: must not be declared <const> as its list will be overwritten */
static struct acl_kw_list acl_kws = {{ },{
{ "always_true", acl_parse_nothing, acl_fetch_nothing, acl_match_true },
{ "always_false", acl_parse_nothing, acl_fetch_nothing, acl_match_false },
{ "always_true", acl_parse_nothing, acl_fetch_true, acl_match_nothing },
{ "always_false", acl_parse_nothing, acl_fetch_false, acl_match_nothing },
#if 0
{ "time", acl_parse_time, acl_fetch_time, acl_match_time },
#endif