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;
62 * For listening on multiple IP's and ports.
64 typedef struct rad_listen_t rad_listen_t;
66 #define REQUEST_DATA_REGEX (0xadbeef00)
67 #define REQUEST_MAX_REGEX (8)
71 uint32_t magic; /* for debugging only */
73 RADIUS_PACKET *packet;
76 RADIUS_PACKET *proxy_reply;
77 VALUE_PAIR *config_items;
83 child_pid_t child_pid;
85 int number; /* internal server number */
87 rad_listen_t *listener;
88 rad_listen_t *proxy_listener;
92 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
94 int options; /* miscellanous options */
95 const char *module; /* for debugging unresponsive children */
96 const char *component; /* ditto */
98 struct timeval received;
99 struct timeval when; /* to wake up */
106 struct timeval next_when;
107 lrad_event_callback_t next_callback;
112 home_server *home_server;
113 home_pool_t *home_pool; /* for dynamic failover */
115 struct timeval proxy_when;
117 int num_proxied_requests;
118 int num_proxied_responses;
120 }; /* REQUEST typedef */
122 #define RAD_REQUEST_OPTION_NONE (0)
124 #define REQUEST_ACTIVE (1)
125 #define REQUEST_STOP_PROCESSING (2)
126 #define REQUEST_COUNTED (3)
128 #define REQUEST_QUEUED (1)
129 #define REQUEST_RUNNING (2)
130 #define REQUEST_PROXIED (3)
131 #define REQUEST_REJECT_DELAY (4)
132 #define REQUEST_CLEANUP_DELAY (5)
133 #define REQUEST_DONE (6)
136 * Function handler for requests.
138 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
140 typedef struct radclient_list RADCLIENT_LIST;
142 typedef struct pair_list {
148 struct pair_list *next;
149 struct pair_list *lastdefault;
154 * Types of listeners.
156 * FIXME: Separate ports for proxy auth/acct?
158 typedef enum RAD_LISTEN_TYPE {
168 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
169 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
170 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
171 typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
172 typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
174 struct rad_listen_t {
175 struct rad_listen_t *next; /* should be rbtree stuff */
178 * For normal sockets.
180 RAD_LISTEN_TYPE type;
182 const char *identity;
184 rad_listen_recv_t recv;
185 rad_listen_send_t send;
186 rad_listen_encode_t encode;
187 rad_listen_decode_t decode;
188 rad_listen_print_t print;
194 typedef enum radlog_dest_t {
203 typedef struct main_config_t {
204 struct main_config *next;
205 time_t config_dead_time;
206 lrad_ipaddr_t myip; /* from the command-line only */
207 int port; /* from the command-line only */
209 int log_auth_badpass;
210 int log_auth_goodpass;
214 int allow_core_dumps;
217 int wake_all_if_all_dead;
218 int proxy_synchronous;
220 int proxy_retry_count;
221 int proxy_retry_delay;
223 const char *proxy_fail_type;
226 int max_request_time;
229 #ifdef DELETE_BLOCKED_REQUESTS
230 int kill_unresponsive_children;
234 const char *pid_file;
235 const char *uid_name;
236 const char *gid_name;
237 rad_listen_t *listen;
240 radlog_dest_t radlog_dest;
241 CONF_SECTION *config;
242 RADCLIENT_LIST *clients;
243 const char *radiusd_conf;
246 #define DEBUG if(debug_flag)log_debug
247 #define DEBUG2 if (debug_flag > 1)log_debug
248 #define DEBUG3 if (debug_flag > 2)log_debug
250 #define SECONDS_PER_DAY 86400
251 #define MAX_REQUEST_TIME 30
252 #define CLEANUP_DELAY 5
253 #define MAX_REQUESTS 256
254 #define RETRY_DELAY 5
255 #define RETRY_COUNT 3
256 #define DEAD_TIME 120
271 * This definition of true as NOT false is definitive. :) Making
272 * it '1' can cause problems on stupid platforms. See articles
273 * on C portability for more information.
275 #define TRUE (!FALSE)
278 /* for paircompare_register */
279 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
281 typedef enum request_fail_t {
282 REQUEST_FAIL_UNKNOWN = 0,
283 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
284 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
285 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
286 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
287 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
288 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
289 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
290 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
291 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
292 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
298 * We really shouldn't have this many.
300 extern const char *progname;
301 extern int debug_flag;
302 extern const char *radacct_dir;
303 extern const char *radlog_dir;
304 extern const char *radlib_dir;
305 extern const char *radius_dir;
306 extern const char *radius_libdir;
307 extern uint32_t expiration_seconds;
308 extern int log_stripped_names;
309 extern int log_auth_detail;
310 extern const char *radiusd_version;
313 * Function prototypes.
317 int rad_accounting(REQUEST *);
320 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
321 const char *sessionid);
322 int session_zap(REQUEST *request, uint32_t nasaddr,
323 unsigned int port, const char *user,
324 const char *sessionid, uint32_t cliaddr,
325 char proto,int session_time);
329 void debug_pair(FILE *, VALUE_PAIR *);
331 int log_err (char *);
334 void (*reset_signal(int signo, void (*func)(int)))(int);
335 void request_free(REQUEST **request);
336 int rad_mkdir(char *directory, int mode);
337 int rad_checkfilename(const char *filename);
338 void *rad_malloc(size_t size); /* calls exit(1) on error! */
339 REQUEST *request_alloc(void);
340 REQUEST *request_alloc_fake(REQUEST *oldreq);
341 int request_data_add(REQUEST *request,
342 void *unique_ptr, int unique_int,
343 void *opaque, void (*free_opaque)(void *));
344 void *request_data_get(REQUEST *request,
345 void *unique_ptr, int unique_int);
346 void *request_data_reference(REQUEST *request,
347 void *unique_ptr, int unique_int);
348 int rad_copy_string(char *dst, const char *src);
349 int rad_copy_variable(char *dst, const char *from);
351 /* request_process.c */
352 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
353 void request_reject(REQUEST *request, request_fail_t reason);
356 RADCLIENT_LIST *clients_init(void);
357 void clients_free(RADCLIENT_LIST *clients);
358 RADCLIENT_LIST *clients_parse_section(const char *filename,
359 CONF_SECTION *section);
360 void client_free(RADCLIENT *client);
361 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
362 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
363 const lrad_ipaddr_t *ipaddr);
364 const char *client_name(const RADCLIENT_LIST *clients,
365 const lrad_ipaddr_t *ipaddr);
366 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
368 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
369 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
372 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
373 void pairlist_free(PAIR_LIST **);
374 int read_config_files(void);
380 int vradlog(int, const char *, va_list ap);
381 int radlog(int, const char *, ...)
383 __attribute__ ((format (printf, 2, 3)))
386 int log_debug(const char *, ...)
388 __attribute__ ((format (printf, 1, 2)))
391 void vp_listdebug(VALUE_PAIR *vp);
394 int proxy_receive(REQUEST *request);
395 int proxy_send(REQUEST *request);
398 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
399 int rad_authenticate (REQUEST *);
400 int rad_postauth(REQUEST *);
403 int radius_exec_program(const char *, REQUEST *, int,
404 char *user_msg, int msg_len,
405 VALUE_PAIR *input_pairs,
406 VALUE_PAIR **output_pairs,
410 int timestr_match(char *, time_t);
413 int paircompare_register(int attr, int otherattr,
414 RAD_COMPARE_FUNC func,
416 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
417 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
419 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
420 int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
421 int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
422 VALUE_PAIR *check, VALUE_PAIR *check_pairs,
423 VALUE_PAIR **reply_pairs);
424 VALUE_PAIR *radius_paircreate(REQUEST *request, VALUE_PAIR **vps,
425 int attribute, int type);
428 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
430 int radius_xlat(char * out, int outlen, const char *fmt,
431 REQUEST * request, RADIUS_ESCAPE_STRING func);
432 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
433 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
434 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
435 void xlat_free(void);
438 extern int thread_pool_init(int spawn_flag);
439 extern int thread_pool_clean(time_t now);
440 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
441 extern pid_t rad_fork(void);
442 extern pid_t rad_waitpid(pid_t pid, int *status);
443 extern int total_active_threads(void);
445 #ifndef HAVE_PTHREAD_H
446 #define rad_fork(n) fork()
447 #define rad_waitpid(a,b) waitpid(a,b, 0)
451 /* Define a global config structure */
452 extern struct main_config_t mainconfig;
454 int read_mainconfig(int reload);
455 int free_mainconfig(void);
458 void listen_free(rad_listen_t **head);
459 int listen_init(const char *filename, rad_listen_t **head);
460 rad_listen_t *proxy_new_listener(void);
463 int radius_event_init(int spawn_flag);
464 void radius_event_free(void);
465 int radius_event_process(struct timeval **pptv);
466 void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
467 int received_request(rad_listen_t *listener,
468 RADIUS_PACKET *packet, REQUEST **prequest,
470 REQUEST *received_proxy_response(RADIUS_PACKET *packet);