4 * radiusd.h Structures, prototypes and global variables
5 * for the FreeRADIUS server.
11 #include <freeradius-devel/ident.h>
12 RCSIDH(radiusd_h, "$Id$")
14 #include <freeradius-devel/libradius.h>
15 #include <freeradius-devel/radpaths.h>
16 #include <freeradius-devel/conf.h>
17 #include <freeradius-devel/conffile.h>
18 #include <freeradius-devel/event.h>
20 typedef struct auth_req REQUEST;
22 #include <freeradius-devel/realms.h>
26 typedef pthread_t child_pid_t;
27 #define child_kill pthread_kill
29 typedef pid_t child_pid_t;
30 #define child_kill kill
33 #define NO_SUCH_CHILD_PID (child_pid_t) (0)
36 #define REQUEST_MAGIC (0xdeadbeef)
42 typedef struct request_data_t request_data_t;
44 typedef struct rad_snmp_client_entry_t rad_snmp_client_entry_t;
46 typedef struct radclient {
56 int number; /* internal use only */
57 const CONF_SECTION *cs;
59 rad_snmp_client_entry_t *auth, *acct;
66 * Ordered by priority!
68 typedef enum RAD_LISTEN_TYPE {
81 * For listening on multiple IP's and ports.
83 typedef struct rad_listen_t rad_listen_t;
85 #define REQUEST_DATA_REGEX (0xadbeef00)
86 #define REQUEST_MAX_REGEX (8)
90 uint32_t magic; /* for debugging only */
92 RADIUS_PACKET *packet;
95 RADIUS_PACKET *proxy_reply;
96 VALUE_PAIR *config_items;
100 struct main_config_t *root;
102 request_data_t *data;
104 child_pid_t child_pid;
106 int number; /* internal server number */
108 rad_listen_t *listener;
109 rad_listen_t *proxy_listener;
113 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
115 int options; /* miscellanous options */
116 const char *module; /* for debugging unresponsive children */
117 const char *component; /* ditto */
119 struct timeval received;
120 struct timeval when; /* to wake up */
125 RAD_LISTEN_TYPE priority;
128 struct timeval next_when;
129 fr_event_callback_t next_callback;
134 home_server *home_server;
135 home_pool_t *home_pool; /* for dynamic failover */
137 struct timeval proxy_when;
139 int num_proxied_requests;
140 int num_proxied_responses;
144 }; /* REQUEST typedef */
146 #define RAD_REQUEST_OPTION_NONE (0)
148 #define REQUEST_ACTIVE (1)
149 #define REQUEST_STOP_PROCESSING (2)
150 #define REQUEST_COUNTED (3)
152 #define REQUEST_QUEUED (1)
153 #define REQUEST_RUNNING (2)
154 #define REQUEST_PROXIED (3)
155 #define REQUEST_REJECT_DELAY (4)
156 #define REQUEST_CLEANUP_DELAY (5)
157 #define REQUEST_DONE (6)
160 * Function handler for requests.
162 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
164 typedef struct radclient_list RADCLIENT_LIST;
166 typedef struct pair_list {
172 struct pair_list *next;
173 struct pair_list *lastdefault;
177 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
178 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
179 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
180 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
181 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
183 struct rad_listen_t {
184 struct rad_listen_t *next; /* should be rbtree stuff */
187 * For normal sockets.
189 RAD_LISTEN_TYPE type;
193 rad_listen_recv_t recv;
194 rad_listen_send_t send;
195 rad_listen_encode_t encode;
196 rad_listen_decode_t decode;
197 rad_listen_print_t print;
203 typedef enum radlog_dest_t {
212 typedef struct main_config_t {
213 struct main_config *next;
215 fr_ipaddr_t myip; /* from the command-line only */
216 int port; /* from the command-line only */
218 int log_auth_badpass;
219 int log_auth_goodpass;
220 int allow_core_dumps;
225 int max_request_time;
228 #ifdef DELETE_BLOCKED_REQUESTS
229 int kill_unresponsive_children;
233 const char *pid_file;
234 rad_listen_t *listen;
237 radlog_dest_t radlog_dest;
238 CONF_SECTION *config;
239 const char *radiusd_conf;
243 #define DEBUG if(debug_flag)log_debug
244 #define DEBUG2 if (debug_flag > 1)log_debug
245 #define DEBUG3 if (debug_flag > 2)log_debug
247 #define SECONDS_PER_DAY 86400
248 #define MAX_REQUEST_TIME 30
249 #define CLEANUP_DELAY 5
250 #define MAX_REQUESTS 256
251 #define RETRY_DELAY 5
252 #define RETRY_COUNT 3
253 #define DEAD_TIME 120
268 * This definition of true as NOT false is definitive. :) Making
269 * it '1' can cause problems on stupid platforms. See articles
270 * on C portability for more information.
272 #define TRUE (!FALSE)
275 /* for paircompare_register */
276 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
278 typedef enum request_fail_t {
279 REQUEST_FAIL_UNKNOWN = 0,
280 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
281 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
282 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
283 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
284 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
285 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
286 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
287 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
288 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
289 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
295 * We really shouldn't have this many.
297 extern const char *progname;
298 extern int debug_flag;
299 extern const char *radacct_dir;
300 extern const char *radlog_dir;
301 extern const char *radlib_dir;
302 extern const char *radius_dir;
303 extern const char *radius_libdir;
304 extern uint32_t expiration_seconds;
305 extern int log_stripped_names;
306 extern int log_auth_detail;
307 extern const char *radiusd_version;
308 void radius_signal_self(int flag);
310 #define RADIUS_SIGNAL_SELF_NONE (0)
311 #define RADIUS_SIGNAL_SELF_HUP (1 << 0)
312 #define RADIUS_SIGNAL_SELF_TERM (1 << 1)
313 #define RADIUS_SIGNAL_SELF_EXIT (1 << 2)
314 #define RADIUS_SIGNAL_SELF_DETAIL (1 << 3)
318 * Function prototypes.
322 int rad_accounting(REQUEST *);
325 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
326 const char *sessionid);
327 int session_zap(REQUEST *request, uint32_t nasaddr,
328 unsigned int port, const char *user,
329 const char *sessionid, uint32_t cliaddr,
330 char proto,int session_time);
334 void debug_pair(FILE *, VALUE_PAIR *);
336 int log_err (char *);
339 void (*reset_signal(int signo, void (*func)(int)))(int);
340 void request_free(REQUEST **request);
341 int rad_mkdir(char *directory, int mode);
342 int rad_checkfilename(const char *filename);
343 void *rad_malloc(size_t size); /* calls exit(1) on error! */
344 REQUEST *request_alloc(void);
345 REQUEST *request_alloc_fake(REQUEST *oldreq);
346 int request_data_add(REQUEST *request,
347 void *unique_ptr, int unique_int,
348 void *opaque, void (*free_opaque)(void *));
349 void *request_data_get(REQUEST *request,
350 void *unique_ptr, int unique_int);
351 void *request_data_reference(REQUEST *request,
352 void *unique_ptr, int unique_int);
353 int rad_copy_string(char *dst, const char *src);
354 int rad_copy_variable(char *dst, const char *from);
356 /* request_process.c */
357 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
358 void request_reject(REQUEST *request, request_fail_t reason);
361 RADCLIENT_LIST *clients_init(void);
362 void clients_free(RADCLIENT_LIST *clients);
363 RADCLIENT_LIST *clients_parse_section(CONF_SECTION *section);
364 void client_free(RADCLIENT *client);
365 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
366 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
367 const fr_ipaddr_t *ipaddr);
368 const char *client_name(const RADCLIENT_LIST *clients,
369 const fr_ipaddr_t *ipaddr);
370 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
372 RADCLIENT *client_find_old(const fr_ipaddr_t *ipaddr);
373 const char *client_name_old(const fr_ipaddr_t *ipaddr);
376 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
377 void pairlist_free(PAIR_LIST **);
378 int read_config_files(void);
384 int vradlog(int, const char *, va_list ap);
385 int radlog(int, const char *, ...)
387 __attribute__ ((format (printf, 2, 3)))
390 int log_debug(const char *, ...)
392 __attribute__ ((format (printf, 1, 2)))
395 void vp_listdebug(VALUE_PAIR *vp);
399 int proxy_receive(REQUEST *request);
400 int proxy_send(REQUEST *request);
403 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
404 int rad_authenticate (REQUEST *);
405 int rad_postauth(REQUEST *);
408 int radius_exec_program(const char *, REQUEST *, int,
409 char *user_msg, int msg_len,
410 VALUE_PAIR *input_pairs,
411 VALUE_PAIR **output_pairs,
415 int timestr_match(char *, time_t);
418 int paircompare_register(int attr, int otherattr,
419 RAD_COMPARE_FUNC func,
421 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
422 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
424 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
425 int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
426 int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
427 VALUE_PAIR *check, VALUE_PAIR *check_pairs,
428 VALUE_PAIR **reply_pairs);
429 VALUE_PAIR *radius_paircreate(REQUEST *request, VALUE_PAIR **vps,
430 int attribute, int type);
431 VALUE_PAIR *radius_pairmake(REQUEST *request, VALUE_PAIR **vps,
432 const char *attribute, const char *value,
436 typedef size_t (*RADIUS_ESCAPE_STRING)(char *out, size_t outlen, const char *in);
438 int radius_xlat(char * out, int outlen, const char *fmt,
439 REQUEST * request, RADIUS_ESCAPE_STRING func);
440 typedef size_t (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
441 int xlat_register(const char *module, RAD_XLAT_FUNC func,
443 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
444 void xlat_free(void);
447 extern int thread_pool_init(CONF_SECTION *cs, int spawn_flag);
448 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
449 extern pid_t rad_fork(void);
450 extern pid_t rad_waitpid(pid_t pid, int *status);
451 extern int total_active_threads(void);
452 extern void thread_pool_lock(void);
453 extern void thread_pool_unlock(void);
455 #ifndef HAVE_PTHREAD_H
456 #define rad_fork(n) fork()
457 #define rad_waitpid(a,b) waitpid(a,b, 0)
461 /* Define a global config structure */
462 extern struct main_config_t mainconfig;
464 int read_mainconfig(int reload);
465 int free_mainconfig(void);
468 void listen_free(rad_listen_t **head);
469 int listen_init(CONF_SECTION *cs, rad_listen_t **head);
470 rad_listen_t *proxy_new_listener(void);
473 int radius_event_init(CONF_SECTION *cs, int spawn_flag);
474 void radius_event_free(void);
475 int radius_event_process(void);
476 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
477 int received_request(rad_listen_t *listener,
478 RADIUS_PACKET *packet, REQUEST **prequest,
480 REQUEST *received_proxy_response(RADIUS_PACKET *packet);
483 int radius_evaluate_condition(REQUEST *request, int modreturn, int depth,
484 const char **ptr, int evaluate_it, int *presult);
485 int radius_update_attrlist(REQUEST *request, CONF_SECTION *cs,
486 VALUE_PAIR *input_vps, const char *name);