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 {
55 int number; /* internal use only */
57 rad_snmp_client_entry_t *auth, *acct;
64 * Ordered by priority!
66 typedef enum RAD_LISTEN_TYPE {
79 * For listening on multiple IP's and ports.
81 typedef struct rad_listen_t rad_listen_t;
83 #define REQUEST_DATA_REGEX (0xadbeef00)
84 #define REQUEST_MAX_REGEX (8)
88 uint32_t magic; /* for debugging only */
90 RADIUS_PACKET *packet;
93 RADIUS_PACKET *proxy_reply;
94 VALUE_PAIR *config_items;
100 child_pid_t child_pid;
102 int number; /* internal server number */
104 rad_listen_t *listener;
105 rad_listen_t *proxy_listener;
109 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
111 int options; /* miscellanous options */
112 const char *module; /* for debugging unresponsive children */
113 const char *component; /* ditto */
115 struct timeval received;
116 struct timeval when; /* to wake up */
121 RAD_LISTEN_TYPE priority;
124 struct timeval next_when;
125 lrad_event_callback_t next_callback;
130 home_server *home_server;
131 home_pool_t *home_pool; /* for dynamic failover */
133 struct timeval proxy_when;
135 int num_proxied_requests;
136 int num_proxied_responses;
137 }; /* REQUEST typedef */
139 #define RAD_REQUEST_OPTION_NONE (0)
141 #define REQUEST_ACTIVE (1)
142 #define REQUEST_STOP_PROCESSING (2)
143 #define REQUEST_COUNTED (3)
145 #define REQUEST_QUEUED (1)
146 #define REQUEST_RUNNING (2)
147 #define REQUEST_PROXIED (3)
148 #define REQUEST_REJECT_DELAY (4)
149 #define REQUEST_CLEANUP_DELAY (5)
150 #define REQUEST_DONE (6)
153 * Function handler for requests.
155 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
157 typedef struct radclient_list RADCLIENT_LIST;
159 typedef struct pair_list {
165 struct pair_list *next;
166 struct pair_list *lastdefault;
170 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
171 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
172 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
173 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
174 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
176 struct rad_listen_t {
177 struct rad_listen_t *next; /* should be rbtree stuff */
180 * For normal sockets.
182 RAD_LISTEN_TYPE type;
184 const char *identity;
186 rad_listen_recv_t recv;
187 rad_listen_send_t send;
188 rad_listen_encode_t encode;
189 rad_listen_decode_t decode;
190 rad_listen_print_t print;
196 typedef enum radlog_dest_t {
205 typedef struct main_config_t {
206 struct main_config *next;
207 time_t config_dead_time;
208 lrad_ipaddr_t myip; /* from the command-line only */
209 int port; /* from the command-line only */
211 int log_auth_badpass;
212 int log_auth_goodpass;
216 int allow_core_dumps;
219 int wake_all_if_all_dead;
220 int proxy_synchronous;
222 int proxy_retry_count;
223 int proxy_retry_delay;
225 const char *proxy_fail_type;
228 int max_request_time;
231 #ifdef DELETE_BLOCKED_REQUESTS
232 int kill_unresponsive_children;
236 const char *pid_file;
237 const char *uid_name;
238 const char *gid_name;
239 rad_listen_t *listen;
242 radlog_dest_t radlog_dest;
243 CONF_SECTION *config;
244 RADCLIENT_LIST *clients;
245 const char *radiusd_conf;
248 #define DEBUG if(debug_flag)log_debug
249 #define DEBUG2 if (debug_flag > 1)log_debug
250 #define DEBUG3 if (debug_flag > 2)log_debug
252 #define SECONDS_PER_DAY 86400
253 #define MAX_REQUEST_TIME 30
254 #define CLEANUP_DELAY 5
255 #define MAX_REQUESTS 256
256 #define RETRY_DELAY 5
257 #define RETRY_COUNT 3
258 #define DEAD_TIME 120
273 * This definition of true as NOT false is definitive. :) Making
274 * it '1' can cause problems on stupid platforms. See articles
275 * on C portability for more information.
277 #define TRUE (!FALSE)
280 /* for paircompare_register */
281 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
283 typedef enum request_fail_t {
284 REQUEST_FAIL_UNKNOWN = 0,
285 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
286 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
287 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
288 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
289 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
290 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
291 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
292 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
293 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
294 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
300 * We really shouldn't have this many.
302 extern const char *progname;
303 extern int debug_flag;
304 extern const char *radacct_dir;
305 extern const char *radlog_dir;
306 extern const char *radlib_dir;
307 extern const char *radius_dir;
308 extern const char *radius_libdir;
309 extern uint32_t expiration_seconds;
310 extern int log_stripped_names;
311 extern int log_auth_detail;
312 extern const char *radiusd_version;
313 void radius_signal_self(int flag);
315 #define RADIUS_SIGNAL_SELF_NONE (0)
316 #define RADIUS_SIGNAL_SELF_HUP (1 << 0)
317 #define RADIUS_SIGNAL_SELF_TERM (1 << 1)
318 #define RADIUS_SIGNAL_SELF_EXIT (1 << 2)
319 #define RADIUS_SIGNAL_SELF_DETAIL (1 << 3)
323 * Function prototypes.
327 int rad_accounting(REQUEST *);
330 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
331 const char *sessionid);
332 int session_zap(REQUEST *request, uint32_t nasaddr,
333 unsigned int port, const char *user,
334 const char *sessionid, uint32_t cliaddr,
335 char proto,int session_time);
339 void debug_pair(FILE *, VALUE_PAIR *);
341 int log_err (char *);
344 void (*reset_signal(int signo, void (*func)(int)))(int);
345 void request_free(REQUEST **request);
346 int rad_mkdir(char *directory, int mode);
347 int rad_checkfilename(const char *filename);
348 void *rad_malloc(size_t size); /* calls exit(1) on error! */
349 REQUEST *request_alloc(void);
350 REQUEST *request_alloc_fake(REQUEST *oldreq);
351 int request_data_add(REQUEST *request,
352 void *unique_ptr, int unique_int,
353 void *opaque, void (*free_opaque)(void *));
354 void *request_data_get(REQUEST *request,
355 void *unique_ptr, int unique_int);
356 void *request_data_reference(REQUEST *request,
357 void *unique_ptr, int unique_int);
358 int rad_copy_string(char *dst, const char *src);
359 int rad_copy_variable(char *dst, const char *from);
361 /* request_process.c */
362 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
363 void request_reject(REQUEST *request, request_fail_t reason);
366 RADCLIENT_LIST *clients_init(void);
367 void clients_free(RADCLIENT_LIST *clients);
368 RADCLIENT_LIST *clients_parse_section(const char *filename,
369 CONF_SECTION *section);
370 void client_free(RADCLIENT *client);
371 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
372 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
373 const lrad_ipaddr_t *ipaddr);
374 const char *client_name(const RADCLIENT_LIST *clients,
375 const lrad_ipaddr_t *ipaddr);
376 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
378 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
379 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
382 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
383 void pairlist_free(PAIR_LIST **);
384 int read_config_files(void);
390 int vradlog(int, const char *, va_list ap);
391 int radlog(int, const char *, ...)
393 __attribute__ ((format (printf, 2, 3)))
396 int log_debug(const char *, ...)
398 __attribute__ ((format (printf, 1, 2)))
401 void vp_listdebug(VALUE_PAIR *vp);
405 int proxy_receive(REQUEST *request);
406 int proxy_send(REQUEST *request);
409 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
410 int rad_authenticate (REQUEST *);
411 int rad_postauth(REQUEST *);
414 int radius_exec_program(const char *, REQUEST *, int,
415 char *user_msg, int msg_len,
416 VALUE_PAIR *input_pairs,
417 VALUE_PAIR **output_pairs,
421 int timestr_match(char *, time_t);
424 int paircompare_register(int attr, int otherattr,
425 RAD_COMPARE_FUNC func,
427 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
428 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
430 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
431 int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
432 int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
433 VALUE_PAIR *check, VALUE_PAIR *check_pairs,
434 VALUE_PAIR **reply_pairs);
435 VALUE_PAIR *radius_paircreate(REQUEST *request, VALUE_PAIR **vps,
436 int attribute, int type);
439 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
441 int radius_xlat(char * out, int outlen, const char *fmt,
442 REQUEST * request, RADIUS_ESCAPE_STRING func);
443 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
444 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
445 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
446 void xlat_free(void);
449 extern int thread_pool_init(int spawn_flag);
450 extern int thread_pool_clean(time_t now);
451 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
452 extern pid_t rad_fork(void);
453 extern pid_t rad_waitpid(pid_t pid, int *status);
454 extern int total_active_threads(void);
456 #ifndef HAVE_PTHREAD_H
457 #define rad_fork(n) fork()
458 #define rad_waitpid(a,b) waitpid(a,b, 0)
462 /* Define a global config structure */
463 extern struct main_config_t mainconfig;
465 int read_mainconfig(int reload);
466 int free_mainconfig(void);
469 void listen_free(rad_listen_t **head);
470 int listen_init(const char *filename, rad_listen_t **head);
471 rad_listen_t *proxy_new_listener(void);
474 int radius_event_init(int spawn_flag);
475 void radius_event_free(void);
476 int radius_event_process(struct timeval **pptv);
477 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
478 int received_request(rad_listen_t *listener,
479 RADIUS_PACKET *packet, REQUEST **prequest,
481 REQUEST *received_proxy_response(RADIUS_PACKET *packet);
484 int radius_evaluate_condition(REQUEST *request, int depth,
485 const char **ptr, int evaluate_it, int *presult);
486 int radius_update_attrlist(REQUEST *request, CONF_SECTION *cs,