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;
45 * For listening on multiple IP's and ports.
47 typedef struct rad_listen_t rad_listen_t;
49 #define REQUEST_DATA_REGEX (0xadbeef00)
50 #define REQUEST_MAX_REGEX (8)
54 uint32_t magic; /* for debugging only */
56 RADIUS_PACKET *packet;
59 RADIUS_PACKET *proxy_reply;
60 VALUE_PAIR *config_items;
66 child_pid_t child_pid;
68 int number; /* internal server number */
70 rad_listen_t *listener;
71 rad_listen_t *proxy_listener;
75 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
77 int options; /* miscellanous options */
78 const char *module; /* for debugging unresponsive children */
79 const char *component; /* ditto */
81 struct timeval received;
82 struct timeval when; /* to wake up */
89 struct timeval next_when;
90 lrad_event_callback_t next_callback;
95 home_server *home_server;
96 home_pool_t *home_pool; /* for dynamic failover */
98 struct timeval proxy_when;
100 int num_proxied_requests;
101 int num_proxied_responses;
103 }; /* REQUEST typedef */
105 #define RAD_REQUEST_OPTION_NONE (0)
107 #define REQUEST_ACTIVE (1)
108 #define REQUEST_STOP_PROCESSING (2)
110 #define REQUEST_QUEUED (1)
111 #define REQUEST_RUNNING (2)
112 #define REQUEST_PROXIED (3)
113 #define REQUEST_REJECT_DELAY (4)
114 #define REQUEST_CLEANUP_DELAY (5)
115 #define REQUEST_DONE (6)
118 * Function handler for requests.
120 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
121 typedef struct rad_snmp_client_entry_t rad_snmp_client_entry_t;
123 typedef struct radclient {
124 lrad_ipaddr_t ipaddr;
132 int number; /* internal use only */
134 rad_snmp_client_entry_t *auth, *acct;
138 typedef struct radclient_list RADCLIENT_LIST;
140 typedef struct pair_list {
146 struct pair_list *next;
147 struct pair_list *lastdefault;
152 * Types of listeners.
154 * FIXME: Separate ports for proxy auth/acct?
156 typedef enum RAD_LISTEN_TYPE {
166 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
167 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
168 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
169 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
170 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
172 struct rad_listen_t {
173 struct rad_listen_t *next; /* should be rbtree stuff */
176 * For normal sockets.
178 RAD_LISTEN_TYPE type;
180 const char *identity;
182 rad_listen_recv_t recv;
183 rad_listen_send_t send;
184 rad_listen_encode_t encode;
185 rad_listen_decode_t decode;
186 rad_listen_print_t print;
192 typedef enum radlog_dest_t {
201 typedef struct main_config_t {
202 struct main_config *next;
203 time_t config_dead_time;
204 lrad_ipaddr_t myip; /* from the command-line only */
205 int port; /* from the command-line only */
207 int log_auth_badpass;
208 int log_auth_goodpass;
212 int allow_core_dumps;
215 int wake_all_if_all_dead;
216 int proxy_synchronous;
218 int proxy_retry_count;
219 int proxy_retry_delay;
221 const char *proxy_fail_type;
224 int max_request_time;
227 #ifdef DELETE_BLOCKED_REQUESTS
228 int kill_unresponsive_children;
232 const char *pid_file;
233 const char *uid_name;
234 const char *gid_name;
235 rad_listen_t *listen;
238 radlog_dest_t radlog_dest;
239 CONF_SECTION *config;
240 RADCLIENT_LIST *clients;
241 const char *radiusd_conf;
244 #define DEBUG if(debug_flag)log_debug
245 #define DEBUG2 if (debug_flag > 1)log_debug
246 #define DEBUG3 if (debug_flag > 2)log_debug
248 #define SECONDS_PER_DAY 86400
249 #define MAX_REQUEST_TIME 30
250 #define CLEANUP_DELAY 5
251 #define MAX_REQUESTS 256
252 #define RETRY_DELAY 5
253 #define RETRY_COUNT 3
254 #define DEAD_TIME 120
269 * This definition of true as NOT false is definitive. :) Making
270 * it '1' can cause problems on stupid platforms. See articles
271 * on C portability for more information.
273 #define TRUE (!FALSE)
276 /* for paircompare_register */
277 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
279 typedef enum request_fail_t {
280 REQUEST_FAIL_UNKNOWN = 0,
281 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
282 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
283 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
284 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
285 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
286 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
287 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
288 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
289 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
290 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
296 * We really shouldn't have this many.
298 extern const char *progname;
299 extern int debug_flag;
300 extern const char *radacct_dir;
301 extern const char *radlog_dir;
302 extern const char *radlib_dir;
303 extern const char *radius_dir;
304 extern const char *radius_libdir;
305 extern uint32_t expiration_seconds;
306 extern int log_stripped_names;
307 extern int log_auth_detail;
308 extern const char *radiusd_version;
311 * Function prototypes.
315 int rad_accounting(REQUEST *);
318 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
319 const char *sessionid);
320 int session_zap(REQUEST *request, uint32_t nasaddr,
321 unsigned int port, const char *user,
322 const char *sessionid, uint32_t cliaddr,
323 char proto,int session_time);
327 void debug_pair(FILE *, VALUE_PAIR *);
329 int log_err (char *);
332 void (*reset_signal(int signo, void (*func)(int)))(int);
333 void request_free(REQUEST **request);
334 int rad_mkdir(char *directory, int mode);
335 int rad_checkfilename(const char *filename);
336 void *rad_malloc(size_t size); /* calls exit(1) on error! */
337 REQUEST *request_alloc(void);
338 REQUEST *request_alloc_fake(REQUEST *oldreq);
339 int request_data_add(REQUEST *request,
340 void *unique_ptr, int unique_int,
341 void *opaque, void (*free_opaque)(void *));
342 void *request_data_get(REQUEST *request,
343 void *unique_ptr, int unique_int);
344 void *request_data_reference(REQUEST *request,
345 void *unique_ptr, int unique_int);
346 int rad_copy_string(char *dst, const char *src);
347 int rad_copy_variable(char *dst, const char *from);
349 /* request_process.c */
350 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
351 void request_reject(REQUEST *request, request_fail_t reason);
354 RADCLIENT_LIST *clients_init(void);
355 void clients_free(RADCLIENT_LIST *clients);
356 RADCLIENT_LIST *clients_parse_section(const char *filename,
357 CONF_SECTION *section);
358 void client_free(RADCLIENT *client);
359 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
360 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
361 const lrad_ipaddr_t *ipaddr);
362 const char *client_name(const RADCLIENT_LIST *clients,
363 const lrad_ipaddr_t *ipaddr);
364 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
366 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
367 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
370 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
371 void pairlist_free(PAIR_LIST **);
372 int read_config_files(void);
378 int vradlog(int, const char *, va_list ap);
379 int radlog(int, const char *, ...)
381 __attribute__ ((format (printf, 2, 3)))
384 int log_debug(const char *, ...)
386 __attribute__ ((format (printf, 1, 2)))
389 void vp_listdebug(VALUE_PAIR *vp);
392 int proxy_receive(REQUEST *request);
393 int proxy_send(REQUEST *request);
396 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
397 int rad_authenticate (REQUEST *);
398 int rad_postauth(REQUEST *);
401 int radius_exec_program(const char *, REQUEST *, int,
402 char *user_msg, int msg_len,
403 VALUE_PAIR *input_pairs,
404 VALUE_PAIR **output_pairs,
408 int timestr_match(char *, time_t);
411 int paircompare_register(int attr, int otherattr,
412 RAD_COMPARE_FUNC func,
414 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
415 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
417 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
418 int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
419 int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
420 VALUE_PAIR *check, VALUE_PAIR *check_pairs,
421 VALUE_PAIR **reply_pairs);
424 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
426 int radius_xlat(char * out, int outlen, const char *fmt,
427 REQUEST * request, RADIUS_ESCAPE_STRING func);
428 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
429 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
430 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
431 void xlat_free(void);
434 extern int thread_pool_init(int spawn_flag);
435 extern int thread_pool_clean(time_t now);
436 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
437 extern pid_t rad_fork(void);
438 extern pid_t rad_waitpid(pid_t pid, int *status);
439 extern int total_active_threads(void);
441 #ifndef HAVE_PTHREAD_H
442 #define rad_fork(n) fork()
443 #define rad_waitpid(a,b) waitpid(a,b, 0)
447 /* Define a global config structure */
448 extern struct main_config_t mainconfig;
450 int read_mainconfig(int reload);
451 int free_mainconfig(void);
454 void listen_free(rad_listen_t **head);
455 int listen_init(const char *filename, rad_listen_t **head);
456 rad_listen_t *proxy_new_listener(void);
457 RADCLIENT *client_listener_find(const rad_listen_t *listener,
458 const lrad_ipaddr_t *ipaddr);
461 int radius_event_init(int spawn_flag);
462 void radius_event_free(void);
463 int radius_event_process(struct timeval **pptv);
464 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
465 int received_request(rad_listen_t *listener,
466 RADIUS_PACKET *packet, REQUEST **prequest,
468 REQUEST *received_proxy_response(RADIUS_PACKET *packet);