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 */
88 struct timeval next_when;
89 lrad_event_callback_t next_callback;
94 home_server *home_server;
95 home_pool_t *home_pool; /* for dynamic failover */
97 struct timeval proxy_when;
99 int num_proxied_requests;
100 int num_proxied_responses;
102 }; /* REQUEST typedef */
104 #define RAD_REQUEST_OPTION_NONE (0)
106 #define REQUEST_ACTIVE (1)
107 #define REQUEST_STOP_PROCESSING (2)
109 #define REQUEST_QUEUED (1)
110 #define REQUEST_RUNNING (2)
111 #define REQUEST_PROXIED (3)
112 #define REQUEST_REJECT_DELAY (4)
113 #define REQUEST_CLEANUP_DELAY (5)
114 #define REQUEST_DONE (6)
117 * Function handler for requests.
119 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
121 typedef struct radclient {
122 lrad_ipaddr_t ipaddr;
130 int number; /* internal use only */
133 typedef struct radclient_list RADCLIENT_LIST;
135 typedef struct pair_list {
141 struct pair_list *next;
142 struct pair_list *lastdefault;
147 * Types of listeners.
149 * FIXME: Separate ports for proxy auth/acct?
151 typedef enum RAD_LISTEN_TYPE {
160 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
161 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
162 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
163 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
164 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
166 struct rad_listen_t {
167 struct rad_listen_t *next; /* should be rbtree stuff */
170 * For normal sockets.
172 RAD_LISTEN_TYPE type;
174 const char *identity;
176 rad_listen_recv_t recv;
177 rad_listen_send_t send;
178 rad_listen_encode_t encode;
179 rad_listen_decode_t decode;
180 rad_listen_print_t print;
186 typedef enum radlog_dest_t {
195 typedef struct main_config_t {
196 struct main_config *next;
197 time_t config_dead_time;
198 lrad_ipaddr_t myip; /* from the command-line only */
199 int port; /* from the command-line only */
201 int log_auth_badpass;
202 int log_auth_goodpass;
206 int allow_core_dumps;
209 int wake_all_if_all_dead;
210 int proxy_synchronous;
212 int proxy_retry_count;
213 int proxy_retry_delay;
215 const char *proxy_fail_type;
218 int max_request_time;
221 #ifdef DELETE_BLOCKED_REQUESTS
222 int kill_unresponsive_children;
226 const char *pid_file;
227 const char *uid_name;
228 const char *gid_name;
229 rad_listen_t *listen;
232 radlog_dest_t radlog_dest;
233 CONF_SECTION *config;
234 RADCLIENT_LIST *clients;
235 const char *radiusd_conf;
238 #define DEBUG if(debug_flag)log_debug
239 #define DEBUG2 if (debug_flag > 1)log_debug
240 #define DEBUG3 if (debug_flag > 2)log_debug
242 #define SECONDS_PER_DAY 86400
243 #define MAX_REQUEST_TIME 30
244 #define CLEANUP_DELAY 5
245 #define MAX_REQUESTS 256
246 #define RETRY_DELAY 5
247 #define RETRY_COUNT 3
248 #define DEAD_TIME 120
263 * This definition of true as NOT false is definitive. :) Making
264 * it '1' can cause problems on stupid platforms. See articles
265 * on C portability for more information.
267 #define TRUE (!FALSE)
270 /* for paircompare_register */
271 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
273 typedef enum request_fail_t {
274 REQUEST_FAIL_UNKNOWN = 0,
275 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
276 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
277 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
278 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
279 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
280 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
281 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
282 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
283 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
284 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
290 * We really shouldn't have this many.
292 extern const char *progname;
293 extern int debug_flag;
294 extern const char *radacct_dir;
295 extern const char *radlog_dir;
296 extern const char *radlib_dir;
297 extern const char *radius_dir;
298 extern const char *radius_libdir;
299 extern uint32_t expiration_seconds;
300 extern int log_stripped_names;
301 extern int log_auth_detail;
302 extern const char *radiusd_version;
305 * Function prototypes.
309 int rad_accounting(REQUEST *);
312 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
313 const char *sessionid);
314 int session_zap(REQUEST *request, uint32_t nasaddr,
315 unsigned int port, const char *user,
316 const char *sessionid, uint32_t cliaddr,
317 char proto,int session_time);
321 void debug_pair(FILE *, VALUE_PAIR *);
323 int log_err (char *);
326 void (*reset_signal(int signo, void (*func)(int)))(int);
327 void request_free(REQUEST **request);
328 int rad_mkdir(char *directory, int mode);
329 int rad_checkfilename(const char *filename);
330 void *rad_malloc(size_t size); /* calls exit(1) on error! */
331 REQUEST *request_alloc(void);
332 REQUEST *request_alloc_fake(REQUEST *oldreq);
333 int request_data_add(REQUEST *request,
334 void *unique_ptr, int unique_int,
335 void *opaque, void (*free_opaque)(void *));
336 void *request_data_get(REQUEST *request,
337 void *unique_ptr, int unique_int);
338 void *request_data_reference(REQUEST *request,
339 void *unique_ptr, int unique_int);
340 int rad_copy_string(char *dst, const char *src);
341 int rad_copy_variable(char *dst, const char *from);
343 /* request_process.c */
344 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
345 void request_reject(REQUEST *request, request_fail_t reason);
348 RADCLIENT_LIST *clients_init(void);
349 void clients_free(RADCLIENT_LIST *clients);
350 RADCLIENT_LIST *clients_parse_section(const char *filename,
351 CONF_SECTION *section);
352 void client_free(RADCLIENT *client);
353 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
354 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
355 const lrad_ipaddr_t *ipaddr);
356 const char *client_name(const RADCLIENT_LIST *clients,
357 const lrad_ipaddr_t *ipaddr);
358 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
360 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
361 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
364 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
365 void pairlist_free(PAIR_LIST **);
366 int read_config_files(void);
372 int vradlog(int, const char *, va_list ap);
373 int radlog(int, const char *, ...)
375 __attribute__ ((format (printf, 2, 3)))
378 int log_debug(const char *, ...)
380 __attribute__ ((format (printf, 1, 2)))
383 void vp_listdebug(VALUE_PAIR *vp);
386 int proxy_receive(REQUEST *request);
387 int proxy_send(REQUEST *request);
390 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
391 int rad_authenticate (REQUEST *);
392 int rad_postauth(REQUEST *);
395 int radius_exec_program(const char *, REQUEST *, int,
396 char *user_msg, int msg_len,
397 VALUE_PAIR *input_pairs,
398 VALUE_PAIR **output_pairs,
402 int timestr_match(char *, time_t);
405 int paircompare_register(int attr, int otherattr,
406 RAD_COMPARE_FUNC func,
408 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
409 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
411 int simplepaircmp(REQUEST *, VALUE_PAIR *, VALUE_PAIR *);
412 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
415 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
417 int radius_xlat(char * out, int outlen, const char *fmt,
418 REQUEST * request, RADIUS_ESCAPE_STRING func);
419 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
420 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
421 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
425 extern int thread_pool_init(int spawn_flag);
426 extern int thread_pool_clean(time_t now);
427 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
428 extern pid_t rad_fork(void);
429 extern pid_t rad_waitpid(pid_t pid, int *status);
430 extern int total_active_threads(void);
432 #ifndef HAVE_PTHREAD_H
433 #define rad_fork(n) fork()
434 #define rad_waitpid(a,b) waitpid(a,b, 0)
438 /* Define a global config structure */
439 extern struct main_config_t mainconfig;
441 int read_mainconfig(int reload);
442 int free_mainconfig(void);
445 void listen_free(rad_listen_t **head);
446 int listen_init(const char *filename, rad_listen_t **head);
447 rad_listen_t *proxy_new_listener(void);
450 int radius_event_init(int spawn_flag);
451 void radius_event_free(void);
452 int radius_event_process(struct timeval **pptv);
453 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
454 int received_request(rad_listen_t *listener,
455 RADIUS_PACKET *packet, REQUEST **prequest,
456 const RADCLIENT *client);
457 REQUEST *received_proxy_response(RADIUS_PACKET *packet);