4 * radiusd.h Structures, prototypes and global variables
5 * for the FreeRADIUS server.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 * Copyright 1999,2000,2002,2003,2004,2005,2006,2007,2008 The FreeRADIUS server project
27 #include <freeradius-devel/ident.h>
28 RCSIDH(radiusd_h, "$Id$")
30 #include <freeradius-devel/libradius.h>
31 #include <freeradius-devel/radpaths.h>
32 #include <freeradius-devel/conf.h>
33 #include <freeradius-devel/conffile.h>
34 #include <freeradius-devel/event.h>
36 typedef struct auth_req REQUEST;
38 #include <freeradius-devel/realms.h>
42 typedef pthread_t child_pid_t;
43 #define NO_SUCH_CHILD_PID (child_pid_t) (0)
47 #define REQUEST_MAGIC (0xdeadbeef)
51 * New defines for minimizing the size of the server, to strip
52 * out functionality. In order to ensure that people don't have
53 * to re-run "configure", after "cvs update", we play some
54 * special games with the defines. i.e. any top-level "configure"
55 * option should set both WITH_FOO and WITHOUT_FOO. After a few
56 * weeks, the WITHOUT_FOO can be deleted from the configure script.
59 #define WITH_PROXY (1)
62 #ifndef WITHOUT_DETAIL
63 #define WITH_DETAIL (1)
66 #ifndef WITHOUT_SESSION_MGMT
67 #define WITH_SESSION_MGMT (1)
70 #ifndef WITHOUT_UNLANG
71 #define WITH_UNLANG (1)
74 #ifndef WITHOUT_ACCOUNTING
75 #define WITH_ACCOUNTING (1)
77 #ifdef WITH_SESSION_MGMT
78 #error WITH_SESSION_MGMT is defined, but WITH_ACCOUNTING is not. Session management requires accounting.
81 #error WITH_DETAIL is defined, but WITH_ACCOUNTING is not. Detail file reading requires accounting.
85 #ifndef WITHOUT_DYNAMIC_CLIENTS
86 #define WITH_DYNAMIC_CLIENTS (1)
92 #include <freeradius-devel/stats.h>
98 typedef struct request_data_t request_data_t;
100 typedef struct radclient {
106 int message_authenticator;
111 int number; /* internal use only */
112 const CONF_SECTION *cs;
114 fr_client_stats_t *auth;
115 #ifdef WITH_ACCOUNTING
116 fr_client_stats_t *acct;
120 #ifdef WITH_DYNAMIC_CLIENTS
122 int dynamic; /* was dynamically defined */
124 time_t last_new_client;
130 * Types of listeners.
132 * Ordered by priority!
134 typedef enum RAD_LISTEN_TYPE {
148 * For listening on multiple IP's and ports.
150 typedef struct rad_listen_t rad_listen_t;
152 #define REQUEST_DATA_REGEX (0xadbeef00)
153 #define REQUEST_MAX_REGEX (8)
157 uint32_t magic; /* for debugging only */
159 RADIUS_PACKET *packet;
161 RADIUS_PACKET *proxy;
163 RADIUS_PACKET *reply;
165 RADIUS_PACKET *proxy_reply;
167 VALUE_PAIR *config_items;
168 VALUE_PAIR *username;
169 VALUE_PAIR *password;
171 struct main_config_t *root;
173 request_data_t *data;
175 #ifdef HAVE_PTHREAD_H
176 child_pid_t child_pid;
179 int number; /* internal server number */
181 rad_listen_t *listener;
183 rad_listen_t *proxy_listener;
187 int simul_max; /* see modcall.c && xlat.c */
188 #ifdef WITH_SESSION_MGMT
190 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
193 int options; /* miscellanous options */
194 const char *module; /* for debugging unresponsive children */
195 const char *component; /* ditto */
197 struct timeval received;
198 struct timeval when; /* to wake up */
203 RAD_LISTEN_TYPE priority;
206 struct timeval next_when;
207 fr_event_callback_t next_callback;
213 home_server *home_server;
214 home_pool_t *home_pool; /* for dynamic failover */
216 struct timeval proxy_when;
218 int num_proxied_requests;
219 int num_proxied_responses;
224 }; /* REQUEST typedef */
226 #define RAD_REQUEST_OPTION_NONE (0)
228 #define REQUEST_ACTIVE (1)
229 #define REQUEST_STOP_PROCESSING (2)
230 #define REQUEST_COUNTED (3)
232 #define REQUEST_QUEUED (1)
233 #define REQUEST_RUNNING (2)
234 #define REQUEST_PROXIED (3)
235 #define REQUEST_REJECT_DELAY (4)
236 #define REQUEST_CLEANUP_DELAY (5)
237 #define REQUEST_DONE (6)
240 * Function handler for requests.
242 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
244 typedef struct radclient_list RADCLIENT_LIST;
246 typedef struct pair_list {
252 struct pair_list *next;
253 struct pair_list *lastdefault;
257 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
258 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
259 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
260 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
261 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
263 struct rad_listen_t {
264 struct rad_listen_t *next; /* should be rbtree stuff */
267 * For normal sockets.
269 RAD_LISTEN_TYPE type;
273 rad_listen_recv_t recv;
274 rad_listen_send_t send;
275 rad_listen_encode_t encode;
276 rad_listen_decode_t decode;
277 rad_listen_print_t print;
283 #ifdef WITH_ACCOUNTING
290 typedef enum radlog_dest_t {
299 typedef struct main_config_t {
300 struct main_config *next;
302 fr_ipaddr_t myip; /* from the command-line only */
303 int port; /* from the command-line only */
305 int log_auth_badpass;
306 int log_auth_goodpass;
307 int allow_core_dumps;
312 int max_request_time;
315 #ifdef DELETE_BLOCKED_REQUESTS
316 int kill_unresponsive_children;
320 const char *pid_file;
321 rad_listen_t *listen;
324 radlog_dest_t radlog_dest;
325 CONF_SECTION *config;
330 #define DEBUG if(debug_flag)log_debug
331 #define DEBUG2 if (debug_flag > 1)log_debug
332 #define DEBUG3 if (debug_flag > 2)log_debug
334 #define SECONDS_PER_DAY 86400
335 #define MAX_REQUEST_TIME 30
336 #define CLEANUP_DELAY 5
337 #define MAX_REQUESTS 256
338 #define RETRY_DELAY 5
339 #define RETRY_COUNT 3
340 #define DEAD_TIME 120
355 * This definition of true as NOT false is definitive. :) Making
356 * it '1' can cause problems on stupid platforms. See articles
357 * on C portability for more information.
359 #define TRUE (!FALSE)
362 /* for paircompare_register */
363 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
365 typedef enum request_fail_t {
366 REQUEST_FAIL_UNKNOWN = 0,
367 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
368 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
369 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
370 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
371 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
372 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
373 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
374 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
375 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
376 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
382 * We really shouldn't have this many.
384 extern const char *progname;
385 extern int debug_flag;
386 extern const char *radacct_dir;
387 extern const char *radlog_dir;
388 extern const char *radlib_dir;
389 extern const char *radius_dir;
390 extern const char *radius_libdir;
391 extern uint32_t expiration_seconds;
392 extern int log_stripped_names;
393 extern int log_auth_detail;
394 extern const char *radiusd_version;
395 void radius_signal_self(int flag);
397 #define RADIUS_SIGNAL_SELF_NONE (0)
398 #define RADIUS_SIGNAL_SELF_HUP (1 << 0)
399 #define RADIUS_SIGNAL_SELF_TERM (1 << 1)
400 #define RADIUS_SIGNAL_SELF_EXIT (1 << 2)
401 #define RADIUS_SIGNAL_SELF_DETAIL (1 << 3)
402 #define RADIUS_SIGNAL_SELF_NEW_FD (1 << 4)
403 #define RADIUS_SIGNAL_SELF_MAX (1 << 5)
407 * Function prototypes.
411 int rad_accounting(REQUEST *);
414 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
415 const char *sessionid);
416 int session_zap(REQUEST *request, uint32_t nasaddr,
417 unsigned int port, const char *user,
418 const char *sessionid, uint32_t cliaddr,
419 char proto,int session_time);
423 void debug_pair(VALUE_PAIR *);
424 void debug_pair_list(VALUE_PAIR *);
425 int log_err (char *);
428 void (*reset_signal(int signo, void (*func)(int)))(int);
429 void request_free(REQUEST **request);
430 int rad_mkdir(char *directory, int mode);
431 int rad_checkfilename(const char *filename);
432 void *rad_malloc(size_t size); /* calls exit(1) on error! */
433 REQUEST *request_alloc(void);
434 REQUEST *request_alloc_fake(REQUEST *oldreq);
435 int request_data_add(REQUEST *request,
436 void *unique_ptr, int unique_int,
437 void *opaque, void (*free_opaque)(void *));
438 void *request_data_get(REQUEST *request,
439 void *unique_ptr, int unique_int);
440 void *request_data_reference(REQUEST *request,
441 void *unique_ptr, int unique_int);
442 int rad_copy_string(char *dst, const char *src);
443 int rad_copy_variable(char *dst, const char *from);
446 RADCLIENT_LIST *clients_init(void);
447 void clients_free(RADCLIENT_LIST *clients);
448 RADCLIENT_LIST *clients_parse_section(CONF_SECTION *section);
449 void client_free(RADCLIENT *client);
450 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
451 #ifdef WITH_DYNAMIC_CLIENTS
452 void client_delete(RADCLIENT_LIST *clients, RADCLIENT *client);
453 RADCLIENT *client_create(RADCLIENT_LIST *clients, REQUEST *request);
455 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
456 const fr_ipaddr_t *ipaddr);
457 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
459 RADCLIENT *client_find_old(const fr_ipaddr_t *ipaddr);
462 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
463 void pairlist_free(PAIR_LIST **);
469 int vradlog(int, const char *, va_list ap);
470 int radlog(int, const char *, ...)
472 __attribute__ ((format (printf, 2, 3)))
475 int log_debug(const char *, ...)
477 __attribute__ ((format (printf, 1, 2)))
480 void vp_listdebug(VALUE_PAIR *vp);
483 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
484 int rad_authenticate (REQUEST *);
485 int rad_postauth(REQUEST *);
488 int radius_exec_program(const char *, REQUEST *, int,
489 char *user_msg, int msg_len,
490 VALUE_PAIR *input_pairs,
491 VALUE_PAIR **output_pairs,
495 int timestr_match(char *, time_t);
498 int paircompare_register(int attr, int otherattr,
499 RAD_COMPARE_FUNC func,
501 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
502 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
504 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
505 int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
506 int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
507 VALUE_PAIR *check, VALUE_PAIR *check_pairs,
508 VALUE_PAIR **reply_pairs);
509 int radius_find_compare(int attribute);
510 VALUE_PAIR *radius_paircreate(REQUEST *request, VALUE_PAIR **vps,
511 int attribute, int type);
512 VALUE_PAIR *radius_pairmake(REQUEST *request, VALUE_PAIR **vps,
513 const char *attribute, const char *value,
517 typedef size_t (*RADIUS_ESCAPE_STRING)(char *out, size_t outlen, const char *in);
519 int radius_xlat(char * out, int outlen, const char *fmt,
520 REQUEST * request, RADIUS_ESCAPE_STRING func);
521 typedef size_t (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
522 int xlat_register(const char *module, RAD_XLAT_FUNC func,
524 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
525 void xlat_free(void);
528 extern int thread_pool_init(CONF_SECTION *cs, int spawn_flag);
529 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
530 extern pid_t rad_fork(void);
531 extern pid_t rad_waitpid(pid_t pid, int *status);
532 extern int total_active_threads(void);
533 extern void thread_pool_lock(void);
534 extern void thread_pool_unlock(void);
535 extern void thread_pool_queue_stats(int *array);
537 #ifndef HAVE_PTHREAD_H
538 #define rad_fork(n) fork()
539 #define rad_waitpid(a,b) waitpid(a,b, 0)
543 /* Define a global config structure */
544 extern struct main_config_t mainconfig;
546 int read_mainconfig(int reload);
547 int free_mainconfig(void);
550 void listen_free(rad_listen_t **head);
551 int listen_init(CONF_SECTION *cs, rad_listen_t **head);
552 rad_listen_t *proxy_new_listener(void);
553 RADCLIENT *client_listener_find(const rad_listen_t *listener,
554 const fr_ipaddr_t *ipaddr);
556 RADCLIENT_LIST *listener_find_client_list(const fr_ipaddr_t *ipaddr,
558 rad_listen_t *listener_find_byipaddr(const fr_ipaddr_t *ipaddr, int port);
562 int radius_event_init(CONF_SECTION *cs, int spawn_flag);
563 void radius_event_free(void);
564 int radius_event_process(void);
565 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
566 int received_request(rad_listen_t *listener,
567 RADIUS_PACKET *packet, REQUEST **prequest,
569 REQUEST *received_proxy_response(RADIUS_PACKET *packet);
572 int radius_evaluate_condition(REQUEST *request, int modreturn, int depth,
573 const char **ptr, int evaluate_it, int *presult);
574 int radius_update_attrlist(REQUEST *request, CONF_SECTION *cs,
575 VALUE_PAIR *input_vps, const char *name);
576 void radius_pairmove(REQUEST *request, VALUE_PAIR **to, VALUE_PAIR *from);