4 * radiusd.h Structures, prototypes and global variables
5 * for the FreeRADIUS server.
10 #include <freeradius-devel/missing.h>
11 #include <freeradius-devel/libradius.h>
12 #include <freeradius-devel/radpaths.h>
13 #include <freeradius-devel/conf.h>
14 #include <freeradius-devel/conffile.h>
24 typedef pthread_t child_pid_t;
25 #define child_kill pthread_kill
27 typedef pid_t child_pid_t;
28 #define child_kill kill
31 #ifdef HAVE_NETINET_IN_H
32 #include <netinet/in.h>
35 #define NO_SUCH_CHILD_PID (child_pid_t) (0)
38 #define REQUEST_MAGIC (0xdeadbeef)
44 typedef struct request_data_t request_data_t;
47 * For listening on multiple IP's and ports.
49 typedef struct rad_listen_t rad_listen_t;
54 typedef struct request_list_t request_list_t;
56 #define REQUEST_DATA_REGEX (0xadbeef00)
57 #define REQUEST_MAX_REGEX (8)
59 typedef struct auth_req {
61 uint32_t magic; /* for debugging only */
63 RADIUS_PACKET *packet;
66 RADIUS_PACKET *proxy_reply;
67 VALUE_PAIR *config_items;
73 child_pid_t child_pid;
75 int number; /* internal server number */
77 rad_listen_t *listener;
78 rad_listen_t *proxy_listener;
81 * We could almost keep a const char here instead of a
82 * _copy_ of the secret... but what if the RADCLIENT
83 * structure is freed because it was taken out of the
84 * config file and SIGHUPed?
88 int proxy_outstanding;
89 time_t proxy_start_time;
93 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
96 int options; /* miscellanous options */
97 const char *module; /* for debugging unresponsive children */
98 const char *component; /* ditto */
102 #define RAD_REQUEST_OPTION_NONE (0)
103 #define RAD_REQUEST_OPTION_LOGGED_CHILD (1 << 0)
104 #define RAD_REQUEST_OPTION_DELAYED_REJECT (1 << 1)
105 #define RAD_REQUEST_OPTION_DONT_CACHE (1 << 2)
106 #define RAD_REQUEST_OPTION_FAKE_REQUEST (1 << 3)
107 #define RAD_REQUEST_OPTION_REJECTED (1 << 4)
108 #define RAD_REQUEST_OPTION_PROXIED (1 << 5)
109 #define RAD_REQUEST_OPTION_STOP_NOW (1 << 6)
110 #define RAD_REQUEST_OPTION_REPROCESS (1 << 7)
113 * Function handler for requests.
115 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
117 typedef struct radclient {
118 lrad_ipaddr_t ipaddr;
126 int number; /* internal use only */
129 typedef struct radclient_list RADCLIENT_LIST;
131 typedef struct _realm {
134 char acct_server[64];
135 lrad_ipaddr_t ipaddr; /* authentication */
136 lrad_ipaddr_t acct_ipaddr;
138 time_t last_reply; /* last time we saw a packet */
142 int trusted; /* old */
144 int active; /* is it dead? */
145 time_t wakeup; /* when we should try it again */
152 typedef struct pair_list {
157 struct pair_list *next;
158 struct pair_list *lastdefault;
163 * Types of listeners.
165 * FIXME: Separate ports for proxy auth/acct?
167 typedef enum RAD_LISTEN_TYPE {
176 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
177 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
178 typedef int (*rad_listen_update_t)(rad_listen_t *, time_t);
179 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
181 struct rad_listen_t {
182 struct rad_listen_t *next; /* should be rbtree stuff */
184 * For normal sockets.
186 RAD_LISTEN_TYPE type;
188 const char *identity;
191 rad_listen_recv_t recv;
192 rad_listen_send_t send;
193 rad_listen_update_t update;
194 rad_listen_print_t print;
200 typedef enum radlog_dest_t {
209 typedef struct main_config_t {
210 struct main_config *next;
211 time_t config_dead_time;
212 lrad_ipaddr_t myip; /* from the command-line only */
213 int port; /* from the command-line only */
215 int log_auth_badpass;
216 int log_auth_goodpass;
220 int allow_core_dumps;
223 int wake_all_if_all_dead;
224 int proxy_synchronous;
226 int proxy_retry_count;
227 int proxy_retry_delay;
229 const char *proxy_fail_type;
232 int max_request_time;
235 int kill_unresponsive_children;
238 const char *pid_file;
239 const char *uid_name;
240 const char *gid_name;
241 rad_listen_t *listen;
244 radlog_dest_t radlog_dest;
245 CONF_SECTION *config;
246 RADCLIENT_LIST *clients;
248 const char *radiusd_conf;
251 #define DEBUG if(debug_flag)log_debug
252 #define DEBUG2 if (debug_flag > 1)log_debug
253 #define DEBUG3 if (debug_flag > 2)log_debug
255 #define SECONDS_PER_DAY 86400
256 #define MAX_REQUEST_TIME 30
257 #define CLEANUP_DELAY 5
258 #define MAX_REQUESTS 256
259 #define RETRY_DELAY 5
260 #define RETRY_COUNT 3
261 #define DEAD_TIME 120
275 * This definition of true as NOT false is definitive. :) Making
276 * it '1' can cause problems on stupid platforms. See articles
277 * on C portability for more information.
279 #define TRUE (!FALSE)
282 /* for paircompare_register */
283 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
285 typedef enum request_fail_t {
286 REQUEST_FAIL_UNKNOWN = 0,
287 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
288 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
289 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
290 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
291 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
292 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
293 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
294 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
295 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
296 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
302 * We really shouldn't have this many.
304 extern const char *progname;
305 extern int debug_flag;
306 extern const char *radacct_dir;
307 extern const char *radlog_dir;
308 extern const char *radlib_dir;
309 extern const char *radius_dir;
310 extern const char *radius_libdir;
311 extern uint32_t expiration_seconds;
312 extern int log_stripped_names;
313 extern int log_auth_detail;
314 extern const char *radiusd_version;
317 * Function prototypes.
321 int rad_accounting(REQUEST *);
324 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
325 const char *sessionid);
326 int session_zap(REQUEST *request, uint32_t nasaddr,
327 unsigned int port, const char *user,
328 const char *sessionid, uint32_t cliaddr,
329 char proto,int session_time);
333 void debug_pair(FILE *, VALUE_PAIR *);
335 int log_err (char *);
338 void (*reset_signal(int signo, void (*func)(int)))(int);
339 void request_free(REQUEST **request);
340 int rad_mkdir(char *directory, int mode);
341 int rad_checkfilename(const char *filename);
342 void *rad_malloc(size_t size); /* calls exit(1) on error! */
343 REQUEST *request_alloc(void);
344 REQUEST *request_alloc_fake(REQUEST *oldreq);
345 int request_data_add(REQUEST *request,
346 void *unique_ptr, int unique_int,
347 void *opaque, void (*free_opaque)(void *));
348 void *request_data_get(REQUEST *request,
349 void *unique_ptr, int unique_int);
350 int rad_copy_string(char *dst, const char *src);
351 int rad_copy_variable(char *dst, const char *from);
353 /* request_process.c */
354 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
355 void request_reject(REQUEST *request, request_fail_t reason);
356 void rfc_clean(RADIUS_PACKET *packet);
359 RADCLIENT_LIST *clients_init(void);
360 void clients_free(RADCLIENT_LIST *clients);
361 RADCLIENT_LIST *clients_parse_section(const char *filename,
362 CONF_SECTION *section);
363 void client_free(RADCLIENT *client);
364 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
365 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
366 const lrad_ipaddr_t *ipaddr);
367 const char *client_name(const RADCLIENT_LIST *clients,
368 const lrad_ipaddr_t *ipaddr);
369 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
371 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
372 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
375 REALM *realm_find(const char *, int);
376 REALM *realm_findbyaddr(uint32_t ipno, int port);
377 void realm_free(REALM *cl);
378 void realm_disable(REQUEST *);
379 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
380 void pairlist_free(PAIR_LIST **);
381 int read_config_files(void);
382 int read_realms_file(const char *file);
388 int vradlog(int, const char *, va_list ap);
389 int radlog(int, const char *, ...)
391 __attribute__ ((format (printf, 2, 3)))
394 int log_debug(const char *, ...)
396 __attribute__ ((format (printf, 1, 2)))
399 void vp_listdebug(VALUE_PAIR *vp);
402 int proxy_receive(REQUEST *request);
403 int proxy_send(REQUEST *request);
406 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
407 int rad_authenticate (REQUEST *);
408 int rad_postauth(REQUEST *);
411 int radius_exec_program(const char *, REQUEST *, int,
412 char *user_msg, int msg_len,
413 VALUE_PAIR *input_pairs,
414 VALUE_PAIR **output_pairs,
418 int timestr_match(char *, time_t);
421 int paircompare_register(int attr, int otherattr,
422 RAD_COMPARE_FUNC func,
424 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
425 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
427 int simplepaircmp(REQUEST *, VALUE_PAIR *, VALUE_PAIR *);
428 void pair_builtincompare_init(void);
429 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
432 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
434 int radius_xlat(char * out, int outlen, const char *fmt,
435 REQUEST * request, RADIUS_ESCAPE_STRING func);
436 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
437 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
438 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
442 extern int thread_pool_init(int spawn_flag);
443 extern int thread_pool_clean(time_t now);
444 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
445 extern pid_t rad_fork(int exec_wait);
446 extern pid_t rad_waitpid(pid_t pid, int *status, int options);
447 extern int total_active_threads(void);
449 #ifndef HAVE_PTHREAD_H
450 #define rad_fork(n) fork()
451 #define rad_waitpid waitpid
455 /* Define a global config structure */
456 extern struct main_config_t mainconfig;
458 int read_mainconfig(int reload);
459 int free_mainconfig(void);
462 void listen_free(rad_listen_t **head);
463 int listen_init(const char *filename, rad_listen_t **head);
464 rad_listen_t *proxy_new_listener(void);