4 * radiusd.h Structures, prototypes and global variables
5 * for the FreeRADIUS server.
11 #include "libradius.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 #ifdef HAVE_ARPA_INET_H
36 #include <arpa/inet.h>
40 #define NO_SUCH_CHILD_PID (child_pid_t) (0)
43 #define REQUEST_MAGIC (0xdeadbeef)
49 typedef struct request_data_t request_data_t;
52 * For listening on multiple IP's and ports.
54 typedef struct rad_listen_t rad_listen_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_next_try;
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 struct radclient *next;
137 typedef struct _realm {
140 char acct_server[64];
141 lrad_ipaddr_t ipaddr; /* authentication */
142 lrad_ipaddr_t acct_ipaddr;
144 time_t last_reply; /* last time we saw a packet */
148 int trusted; /* old */
150 int active; /* is it dead? */
151 time_t wakeup; /* when we should try it again */
158 typedef struct pair_list {
163 struct pair_list *next;
164 struct pair_list *lastdefault;
169 * Types of listeners.
171 * FIXME: Separate ports for proxy auth/acct?
173 typedef enum RAD_LISTEN_TYPE {
182 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
183 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
186 struct rad_listen_t {
187 struct rad_listen_t *next; /* should be rbtree stuff */
189 * For normal sockets.
191 RAD_LISTEN_TYPE type;
193 const char *identity;
195 rad_listen_recv_t recv;
196 rad_listen_send_t send;
199 * For normal sockets.
201 lrad_ipaddr_t ipaddr;
207 * FIXME: this stuff should either be in a union,
208 * or in a structure allocated per-type...
219 typedef enum radlog_dest_t {
227 typedef struct main_config_t {
228 struct main_config *next;
229 time_t config_dead_time;
230 lrad_ipaddr_t myip; /* from the command-line only */
231 int port; /* from the command-line only */
233 int log_auth_badpass;
234 int log_auth_goodpass;
239 int allow_core_dumps;
242 int post_proxy_authorize;
243 int wake_all_if_all_dead;
244 int proxy_synchronous;
246 int proxy_retry_count;
247 int proxy_retry_delay;
249 const char *proxy_fail_type;
252 int max_request_time;
255 int kill_unresponsive_children;
258 char *do_nospace_user;
259 char *do_nospace_pass;
263 const char *pid_file;
264 const char *uid_name;
265 const char *gid_name;
266 rad_listen_t *listen;
269 radlog_dest_t radlog_dest;
270 CONF_SECTION *config;
273 const char *radiusd_conf;
276 #define DEBUG if(debug_flag)log_debug
277 #define DEBUG2 if (debug_flag > 1)log_debug
278 #define DEBUG3 if (debug_flag > 2)log_debug
280 #define SECONDS_PER_DAY 86400
281 #define MAX_REQUEST_TIME 30
282 #define CLEANUP_DELAY 5
283 #define MAX_REQUESTS 256
284 #define RETRY_DELAY 5
285 #define RETRY_COUNT 3
286 #define DEAD_TIME 120
300 * This definition of true as NOT false is definitive. :) Making
301 * it '1' can cause problems on stupid platforms. See articles
302 * on C portability for more information.
304 #define TRUE (!FALSE)
307 /* for paircompare_register */
308 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
310 typedef enum request_fail_t {
311 REQUEST_FAIL_UNKNOWN = 0,
312 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
313 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
314 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
315 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
316 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
317 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
318 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
319 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
320 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
321 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
327 * We really shouldn't have this many.
329 extern const char *progname;
330 extern int debug_flag;
331 extern const char *radacct_dir;
332 extern const char *radlog_dir;
333 extern const char *radlib_dir;
334 extern const char *radius_dir;
335 extern const char *radius_libdir;
336 extern uint32_t expiration_seconds;
337 extern int log_stripped_names;
338 extern int log_auth_detail;
339 extern const char *radiusd_version;
342 * Function prototypes.
346 int rad_accounting(REQUEST *);
349 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
350 const char *sessionid);
351 int session_zap(REQUEST *request, uint32_t nasaddr,
352 unsigned int port, const char *user,
353 const char *sessionid, uint32_t cliaddr,
354 char proto,int session_time);
358 void debug_pair(FILE *, VALUE_PAIR *);
360 int log_err (char *);
363 void (*reset_signal(int signo, void (*func)(int)))(int);
364 void request_free(REQUEST **request);
365 int rad_mkdir(char *directory, int mode);
366 int rad_checkfilename(const char *filename);
367 void *rad_malloc(size_t size); /* calls exit(1) on error! */
368 REQUEST *request_alloc(void);
369 REQUEST *request_alloc_fake(REQUEST *oldreq);
370 int request_data_add(REQUEST *request,
371 void *unique_ptr, int unique_int,
372 void *opaque, void (*free_opaque)(void *));
373 void *request_data_get(REQUEST *request,
374 void *unique_ptr, int unique_int);
375 int rad_copy_string(char *dst, const char *src);
376 int rad_copy_variable(char *dst, const char *from);
378 /* request_process.c */
379 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
380 void request_reject(REQUEST *request, request_fail_t reason);
381 void rfc_clean(RADIUS_PACKET *packet);
384 int read_clients_file(const char *file);
385 RADCLIENT *client_find(const lrad_ipaddr_t *ipaddr);
386 const char *client_name(const lrad_ipaddr_t *ipaddr);
387 void clients_free(RADCLIENT *cl);
390 REALM *realm_find(const char *, int);
391 REALM *realm_findbyaddr(uint32_t ipno, int port);
392 void realm_free(REALM *cl);
393 void realm_disable(uint32_t ipno, int port);
394 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
395 void pairlist_free(PAIR_LIST **);
396 int read_config_files(void);
397 int read_realms_file(const char *file);
400 int read_naslist_file(char *);
401 NAS *nas_find(uint32_t ipno);
407 int vradlog(int, const char *, va_list ap);
408 int radlog(int, const char *, ...)
410 __attribute__ ((format (printf, 2, 3)))
413 int log_debug(const char *, ...)
415 __attribute__ ((format (printf, 1, 2)))
418 void vp_listdebug(VALUE_PAIR *vp);
421 int proxy_receive(REQUEST *request);
422 int proxy_send(REQUEST *request);
425 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
426 int rad_authenticate (REQUEST *);
427 int rad_check_password(REQUEST *request);
428 int rad_postauth(REQUEST *);
431 int radius_exec_program(const char *, REQUEST *, int,
432 char *user_msg, int msg_len,
433 VALUE_PAIR *input_pairs,
434 VALUE_PAIR **output_pairs,
438 int timestr_match(char *, time_t);
441 int paircompare_register(int attr, int otherattr,
442 RAD_COMPARE_FUNC func,
444 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
445 int paircmp(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
447 int simplepaircmp(REQUEST *, VALUE_PAIR *, VALUE_PAIR *);
448 void pair_builtincompare_init(void);
449 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
452 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
454 int radius_xlat(char * out, int outlen, const char *fmt,
455 REQUEST * request, RADIUS_ESCAPE_STRING func);
456 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
457 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
458 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
462 extern int thread_pool_init(int spawn_flag);
463 extern int thread_pool_clean(time_t now);
464 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
465 extern pid_t rad_fork(int exec_wait);
466 extern pid_t rad_waitpid(pid_t pid, int *status, int options);
467 extern int total_active_threads(void);
469 #ifndef HAVE_PTHREAD_H
470 #define rad_fork(n) fork()
471 #define rad_waitpid waitpid
475 /* Define a global config structure */
476 extern struct main_config_t mainconfig;
478 int read_mainconfig(int reload);
479 int free_mainconfig(void);
480 CONF_SECTION *read_radius_conf_file(void); /* for radwho and friends. */
483 void listen_free(rad_listen_t **head);
484 int listen_init(const char *filename, rad_listen_t **head);
485 rad_listen_t *proxy_new_listener(void);