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gradm_learn_pass1.y
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gradm_learn_pass1.y
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%{
/*
* Copyright (C) 2002-2014 Bradley Spengler, Open Source Security, Inc.
* http://www.grsecurity.net spender@grsecurity.net
*
* This file is part of gradm.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "gradm.h"
extern int learn_pass1lex(void);
extern struct gr_learn_role_entry *default_role_entry;
extern struct gr_learn_role_entry *group_role_list;
extern struct gr_learn_role_entry *user_role_list;
extern struct gr_learn_role_entry *special_role_list;
%}
%union {
char * string;
unsigned long num;
}
%token <string> FILENAME ROLENAME
%token <num> NUM IPADDR USER GROUP
%type <string> filename
%type <num> id_type
%%
learn_logs: learn_log
| learn_logs learn_log
;
filename: /*empty*/ { $$ = gr_strdup(""); }
| FILENAME {
if (!strcmp($1, "//"))
$1[1] = '\0';
$$ = $1;
}
;
id_type: USER
| GROUP
;
learn_log:
error
| ROLENAME ':' NUM ':' NUM ':' NUM ':' filename ':' filename ':' NUM ':' NUM ':' filename ':' NUM ':' IPADDR
{
struct gr_learn_role_entry *role;
unsigned long res1, res2;
u_int16_t rolemode;
u_int32_t addr;
rolemode = $3;
res1 = $13;
res2 = $15;
addr = $21;
if (rolemode & GR_ROLE_USER)
role = insert_learn_role(&user_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_GROUP)
role = insert_learn_role(&group_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_SPECIAL)
role = insert_learn_role(&special_role_list, $1, rolemode);
else {
if (default_role_entry == NULL) {
default_role_entry = (struct gr_learn_role_entry *)calloc(1, sizeof(struct gr_learn_role_entry));
if (!default_role_entry)
failure("calloc");
}
role = default_role_entry;
}
free($1);
if (rolemode & GR_ROLE_LEARN) {
insert_ip(&(role->allowed_ips), addr, 0, 0, 0);
if ((!strcmp($17, "") && strlen($9) > 1 && !res1 && !res2) || is_protected_path($17, $19))
insert_learn_role_subject(role, conv_filename_to_struct($9, GR_PROCFIND | GR_OVERRIDE));
} else if (strlen($9) > 1)
insert_learn_role_subject(role, conv_filename_to_struct($11, GR_PROCFIND | GR_OVERRIDE));
free($9);
free($11);
free($17);
}
| ROLENAME ':' NUM ':' NUM ':' NUM ':' filename ':' filename ':' IPADDR ':' NUM ':' NUM ':' NUM ':' NUM ':' IPADDR
{
struct gr_learn_role_entry *role;
u_int16_t rolemode;
u_int32_t addr;
rolemode = $3;
addr = $23;
if (rolemode & GR_ROLE_USER)
role = insert_learn_role(&user_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_GROUP)
role = insert_learn_role(&group_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_SPECIAL)
role = insert_learn_role(&special_role_list, $1, rolemode);
else {
if (default_role_entry == NULL) {
default_role_entry = (struct gr_learn_role_entry *)calloc(1, sizeof(struct gr_learn_role_entry));
if (!default_role_entry)
failure("calloc");
}
role = default_role_entry;
}
free($1);
if (rolemode & GR_ROLE_LEARN) {
insert_ip(&(role->allowed_ips), addr, 0, 0, 0);
insert_learn_role_subject(role, conv_filename_to_struct($9, GR_PROCFIND | GR_OVERRIDE));
} else if (strlen($9) > 1)
insert_learn_role_subject(role, conv_filename_to_struct($11, GR_PROCFIND | GR_OVERRIDE));
free($9);
free($11);
}
| ROLENAME ':' NUM ':' NUM ':' NUM ':' filename ':' filename ':' id_type ':' NUM ':' NUM ':' NUM ':' IPADDR
{
struct gr_learn_role_entry *role;
u_int16_t rolemode;
u_int32_t addr;
rolemode = $3;
addr = $21;
if (rolemode & GR_ROLE_USER)
role = insert_learn_role(&user_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_GROUP)
role = insert_learn_role(&group_role_list, $1, rolemode);
else if (rolemode & GR_ROLE_SPECIAL)
role = insert_learn_role(&special_role_list, $1, rolemode);
else {
if (default_role_entry == NULL) {
default_role_entry = (struct gr_learn_role_entry *)calloc(1, sizeof(struct gr_learn_role_entry));
if (!default_role_entry)
failure("calloc");
}
role = default_role_entry;
}
if (rolemode & GR_ROLE_LEARN) {
insert_ip(&(role->allowed_ips), addr, 0, 0, 0);
insert_learn_role_subject(role, conv_filename_to_struct($9, GR_PROCFIND | GR_OVERRIDE));
} else if (strlen($9) > 1)
insert_learn_role_subject(role, conv_filename_to_struct($11, GR_PROCFIND | GR_OVERRIDE));
free($1);
free($9);
free($11);
}
;
%%