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/*
* HTTP ACLs declaration
*
* Copyright 2000-2018 Willy Tarreau <w@1wt.eu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*/
#include <sys/types.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#include <haproxy/acl.h>
#include <haproxy/api.h>
#include <haproxy/arg.h>
#include <haproxy/auth.h>
#include <haproxy/chunk.h>
#include <haproxy/http.h>
#include <haproxy/pattern.h>
#include <haproxy/pool.h>
#include <haproxy/tools.h>
#include <haproxy/version.h>
/* We use the pre-parsed method if it is known, and store its number as an
* integer. If it is unknown, we use the pointer and the length.
*/
static int pat_parse_meth(const char *text, struct pattern *pattern, int mflags, char **err)
{
int len, meth;
len = strlen(text);
meth = find_http_meth(text, len);
pattern->val.i = meth;
if (meth == HTTP_METH_OTHER) {
pattern->ptr.str = (char *)text;
pattern->len = len;
}
else {
pattern->ptr.str = NULL;
pattern->len = 0;
}
return 1;
}
/* See above how the method is stored in the global pattern */
static struct pattern *pat_match_meth(struct sample *smp, struct pattern_expr *expr, int fill)
{
int icase;
struct pattern_list *lst;
struct pattern *pattern;
list_for_each_entry(lst, &expr->patterns, list) {
pattern = &lst->pat;
/* well-known method */
if (pattern->val.i != HTTP_METH_OTHER) {
if (smp->data.u.meth.meth == pattern->val.i)
return pattern;
else
continue;
}
/* Other method, we must compare the strings */
if (pattern->len != smp->data.u.meth.str.data)
continue;
icase = expr->mflags & PAT_MF_IGNORE_CASE;
if ((icase && strncasecmp(pattern->ptr.str, smp->data.u.meth.str.area, smp->data.u.meth.str.data) == 0) ||
(!icase && strncmp(pattern->ptr.str, smp->data.u.meth.str.area, smp->data.u.meth.str.data) == 0))
return pattern;
}
return NULL;
}
/************************************************************************/
/* All supported ACL keywords must be declared here. */
/************************************************************************/
/* Note: must not be declared <const> as its list will be overwritten.
* Please take care of keeping this list alphabetically sorted.
*/
static struct acl_kw_list acl_kws = {ILH, {
{ "base", "base", PAT_MATCH_STR },
{ "base_beg", "base", PAT_MATCH_BEG },
{ "base_dir", "base", PAT_MATCH_DIR },
{ "base_dom", "base", PAT_MATCH_DOM },
{ "base_end", "base", PAT_MATCH_END },
{ "base_len", "base", PAT_MATCH_LEN },
{ "base_reg", "base", PAT_MATCH_REG },
{ "base_sub", "base", PAT_MATCH_SUB },
{ "cook", "req.cook", PAT_MATCH_STR },
{ "cook_beg", "req.cook", PAT_MATCH_BEG },
{ "cook_dir", "req.cook", PAT_MATCH_DIR },
{ "cook_dom", "req.cook", PAT_MATCH_DOM },
{ "cook_end", "req.cook", PAT_MATCH_END },
{ "cook_len", "req.cook", PAT_MATCH_LEN },
{ "cook_reg", "req.cook", PAT_MATCH_REG },
{ "cook_sub", "req.cook", PAT_MATCH_SUB },
{ "hdr", "req.hdr", PAT_MATCH_STR },
{ "hdr_beg", "req.hdr", PAT_MATCH_BEG },
{ "hdr_dir", "req.hdr", PAT_MATCH_DIR },
{ "hdr_dom", "req.hdr", PAT_MATCH_DOM },
{ "hdr_end", "req.hdr", PAT_MATCH_END },
{ "hdr_len", "req.hdr", PAT_MATCH_LEN },
{ "hdr_reg", "req.hdr", PAT_MATCH_REG },
{ "hdr_sub", "req.hdr", PAT_MATCH_SUB },
/* these two declarations uses strings with list storage (in place
* of tree storage). The basic match is PAT_MATCH_STR, but the indexation
* and delete functions are relative to the list management. The parse
* and match method are related to the corresponding fetch methods. This
* is very particular ACL declaration mode.
*/
{ "http_auth_group", NULL, PAT_MATCH_STR, NULL, pat_idx_list_str, NULL, NULL, pat_match_auth },
{ "method", NULL, PAT_MATCH_STR, pat_parse_meth, pat_idx_list_str, NULL, NULL, pat_match_meth },
{ "path", "path", PAT_MATCH_STR },
{ "path_beg", "path", PAT_MATCH_BEG },
{ "path_dir", "path", PAT_MATCH_DIR },
{ "path_dom", "path", PAT_MATCH_DOM },
{ "path_end", "path", PAT_MATCH_END },
{ "path_len", "path", PAT_MATCH_LEN },
{ "path_reg", "path", PAT_MATCH_REG },
{ "path_sub", "path", PAT_MATCH_SUB },
{ "req_ver", "req.ver", PAT_MATCH_STR },
{ "resp_ver", "res.ver", PAT_MATCH_STR },
{ "scook", "res.cook", PAT_MATCH_STR },
{ "scook_beg", "res.cook", PAT_MATCH_BEG },
{ "scook_dir", "res.cook", PAT_MATCH_DIR },
{ "scook_dom", "res.cook", PAT_MATCH_DOM },
{ "scook_end", "res.cook", PAT_MATCH_END },
{ "scook_len", "res.cook", PAT_MATCH_LEN },
{ "scook_reg", "res.cook", PAT_MATCH_REG },
{ "scook_sub", "res.cook", PAT_MATCH_SUB },
{ "shdr", "res.hdr", PAT_MATCH_STR },
{ "shdr_beg", "res.hdr", PAT_MATCH_BEG },
{ "shdr_dir", "res.hdr", PAT_MATCH_DIR },
{ "shdr_dom", "res.hdr", PAT_MATCH_DOM },
{ "shdr_end", "res.hdr", PAT_MATCH_END },
{ "shdr_len", "res.hdr", PAT_MATCH_LEN },
{ "shdr_reg", "res.hdr", PAT_MATCH_REG },
{ "shdr_sub", "res.hdr", PAT_MATCH_SUB },
{ "url", "url", PAT_MATCH_STR },
{ "url_beg", "url", PAT_MATCH_BEG },
{ "url_dir", "url", PAT_MATCH_DIR },
{ "url_dom", "url", PAT_MATCH_DOM },
{ "url_end", "url", PAT_MATCH_END },
{ "url_len", "url", PAT_MATCH_LEN },
{ "url_reg", "url", PAT_MATCH_REG },
{ "url_sub", "url", PAT_MATCH_SUB },
{ "urlp", "urlp", PAT_MATCH_STR },
{ "urlp_beg", "urlp", PAT_MATCH_BEG },
{ "urlp_dir", "urlp", PAT_MATCH_DIR },
{ "urlp_dom", "urlp", PAT_MATCH_DOM },
{ "urlp_end", "urlp", PAT_MATCH_END },
{ "urlp_len", "urlp", PAT_MATCH_LEN },
{ "urlp_reg", "urlp", PAT_MATCH_REG },
{ "urlp_sub", "urlp", PAT_MATCH_SUB },
{ /* END */ },
}};
INITCALL1(STG_REGISTER, acl_register_keywords, &acl_kws);
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
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