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 {
158 struct pair_list *next;
159 struct pair_list *lastdefault;
164 * Types of listeners.
166 * FIXME: Separate ports for proxy auth/acct?
168 typedef enum RAD_LISTEN_TYPE {
177 typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
178 typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
179 typedef int (*rad_listen_update_t)(rad_listen_t *, time_t);
180 typedef int (*rad_listen_print_t)(rad_listen_t *, char *, size_t);
182 struct rad_listen_t {
183 struct rad_listen_t *next; /* should be rbtree stuff */
186 * For normal sockets.
188 RAD_LISTEN_TYPE type;
190 const char *identity;
193 rad_listen_recv_t recv;
194 rad_listen_send_t send;
195 rad_listen_update_t update;
196 rad_listen_print_t print;
202 typedef enum radlog_dest_t {
211 typedef struct main_config_t {
212 struct main_config *next;
213 time_t config_dead_time;
214 lrad_ipaddr_t myip; /* from the command-line only */
215 int port; /* from the command-line only */
217 int log_auth_badpass;
218 int log_auth_goodpass;
222 int allow_core_dumps;
225 int wake_all_if_all_dead;
226 int proxy_synchronous;
228 int proxy_retry_count;
229 int proxy_retry_delay;
231 const char *proxy_fail_type;
234 int max_request_time;
237 int kill_unresponsive_children;
240 const char *pid_file;
241 const char *uid_name;
242 const char *gid_name;
243 rad_listen_t *listen;
246 radlog_dest_t radlog_dest;
247 CONF_SECTION *config;
248 RADCLIENT_LIST *clients;
250 const char *radiusd_conf;
253 #define DEBUG if(debug_flag)log_debug
254 #define DEBUG2 if (debug_flag > 1)log_debug
255 #define DEBUG3 if (debug_flag > 2)log_debug
257 #define SECONDS_PER_DAY 86400
258 #define MAX_REQUEST_TIME 30
259 #define CLEANUP_DELAY 5
260 #define MAX_REQUESTS 256
261 #define RETRY_DELAY 5
262 #define RETRY_COUNT 3
263 #define DEAD_TIME 120
277 * This definition of true as NOT false is definitive. :) Making
278 * it '1' can cause problems on stupid platforms. See articles
279 * on C portability for more information.
281 #define TRUE (!FALSE)
284 /* for paircompare_register */
285 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
287 typedef enum request_fail_t {
288 REQUEST_FAIL_UNKNOWN = 0,
289 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
290 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
291 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
292 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
293 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
294 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
295 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
296 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
297 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
298 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
304 * We really shouldn't have this many.
306 extern const char *progname;
307 extern int debug_flag;
308 extern const char *radacct_dir;
309 extern const char *radlog_dir;
310 extern const char *radlib_dir;
311 extern const char *radius_dir;
312 extern const char *radius_libdir;
313 extern uint32_t expiration_seconds;
314 extern int log_stripped_names;
315 extern int log_auth_detail;
316 extern const char *radiusd_version;
319 * Function prototypes.
323 int rad_accounting(REQUEST *);
326 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
327 const char *sessionid);
328 int session_zap(REQUEST *request, uint32_t nasaddr,
329 unsigned int port, const char *user,
330 const char *sessionid, uint32_t cliaddr,
331 char proto,int session_time);
335 void debug_pair(FILE *, VALUE_PAIR *);
337 int log_err (char *);
340 void (*reset_signal(int signo, void (*func)(int)))(int);
341 void request_free(REQUEST **request);
342 int rad_mkdir(char *directory, int mode);
343 int rad_checkfilename(const char *filename);
344 void *rad_malloc(size_t size); /* calls exit(1) on error! */
345 REQUEST *request_alloc(void);
346 REQUEST *request_alloc_fake(REQUEST *oldreq);
347 int request_data_add(REQUEST *request,
348 void *unique_ptr, int unique_int,
349 void *opaque, void (*free_opaque)(void *));
350 void *request_data_get(REQUEST *request,
351 void *unique_ptr, int unique_int);
352 void *request_data_reference(REQUEST *request,
353 void *unique_ptr, int unique_int);
354 int rad_copy_string(char *dst, const char *src);
355 int rad_copy_variable(char *dst, const char *from);
357 /* request_process.c */
358 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
359 void request_reject(REQUEST *request, request_fail_t reason);
360 void rfc_clean(RADIUS_PACKET *packet);
363 RADCLIENT_LIST *clients_init(void);
364 void clients_free(RADCLIENT_LIST *clients);
365 RADCLIENT_LIST *clients_parse_section(const char *filename,
366 CONF_SECTION *section);
367 void client_free(RADCLIENT *client);
368 int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
369 RADCLIENT *client_find(const RADCLIENT_LIST *clients,
370 const lrad_ipaddr_t *ipaddr);
371 const char *client_name(const RADCLIENT_LIST *clients,
372 const lrad_ipaddr_t *ipaddr);
373 RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
375 RADCLIENT *client_find_old(const lrad_ipaddr_t *ipaddr);
376 const char *client_name_old(const lrad_ipaddr_t *ipaddr);
379 REALM *realm_find(const char *, int);
380 REALM *realm_findbyaddr(uint32_t ipno, int port);
381 void realm_free(REALM *cl);
382 void realm_disable(REQUEST *);
383 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
384 void pairlist_free(PAIR_LIST **);
385 int read_config_files(void);
386 int read_realms_file(const char *file);
392 int vradlog(int, const char *, va_list ap);
393 int radlog(int, const char *, ...)
395 __attribute__ ((format (printf, 2, 3)))
398 int log_debug(const char *, ...)
400 __attribute__ ((format (printf, 1, 2)))
403 void vp_listdebug(VALUE_PAIR *vp);
406 int proxy_receive(REQUEST *request);
407 int proxy_send(REQUEST *request);
410 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
411 int rad_authenticate (REQUEST *);
412 int rad_postauth(REQUEST *);
415 int radius_exec_program(const char *, REQUEST *, int,
416 char *user_msg, int msg_len,
417 VALUE_PAIR *input_pairs,
418 VALUE_PAIR **output_pairs,
422 int timestr_match(char *, time_t);
425 int paircompare_register(int attr, int otherattr,
426 RAD_COMPARE_FUNC func,
428 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
429 int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
431 int simplepaircmp(REQUEST *, VALUE_PAIR *, VALUE_PAIR *);
432 void pair_builtincompare_init(void);
433 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
436 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
438 int radius_xlat(char * out, int outlen, const char *fmt,
439 REQUEST * request, RADIUS_ESCAPE_STRING func);
440 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
441 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
442 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
446 extern int thread_pool_init(int spawn_flag);
447 extern int thread_pool_clean(time_t now);
448 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
449 extern pid_t rad_fork(int exec_wait);
450 extern pid_t rad_waitpid(pid_t pid, int *status, int options);
451 extern int total_active_threads(void);
453 #ifndef HAVE_PTHREAD_H
454 #define rad_fork(n) fork()
455 #define rad_waitpid waitpid
459 /* Define a global config structure */
460 extern struct main_config_t mainconfig;
462 int read_mainconfig(int reload);
463 int free_mainconfig(void);
466 void listen_free(rad_listen_t **head);
467 int listen_init(const char *filename, rad_listen_t **head);
468 rad_listen_t *proxy_new_listener(void);