4 * radiusd.h Structures, prototypes and global variables
5 * for the FreeRADIUS server.
10 #include "libradius.h"
23 typedef pthread_t child_pid_t;
24 #define child_kill pthread_kill
26 typedef pid_t child_pid_t;
27 #define child_kill kill
30 #ifdef HAVE_NETINET_IN_H
31 #include <netinet/in.h>
34 #ifdef HAVE_ARPA_INET_H
35 #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;
51 #define REQUEST_DATA_REGEX (0xadbeef00)
52 #define REQUEST_MAX_REGEX (8)
54 typedef struct auth_req {
56 uint32_t magic; /* for debugging only */
58 RADIUS_PACKET *packet;
61 RADIUS_PACKET *proxy_reply;
62 VALUE_PAIR *config_items;
67 child_pid_t child_pid;
69 int number; /* internal server number */
72 * We could almost keep a const char here instead of a
73 * _copy_ of the secret... but what if the RADCLIENT
74 * structure is freed because it was taken out of the
75 * config file and SIGHUPed?
79 int proxy_outstanding;
80 time_t proxy_next_try;
84 int simul_mpp; /* WEIRD: 1 is false, 2 is true */
87 int options; /* miscellanous options */
88 const char *module; /* for debugging unresponsive children */
89 const char *component; /* ditto */
93 #define RAD_REQUEST_OPTION_NONE (0)
94 #define RAD_REQUEST_OPTION_LOGGED_CHILD (1 << 0)
95 #define RAD_REQUEST_OPTION_DELAYED_REJECT (1 << 1)
96 #define RAD_REQUEST_OPTION_DONT_CACHE (1 << 2)
97 #define RAD_REQUEST_OPTION_FAKE_REQUEST (1 << 3)
98 #define RAD_REQUEST_OPTION_REJECTED (1 << 4)
99 #define RAD_REQUEST_OPTION_PROXIED (1 << 5)
100 #define RAD_REQUEST_OPTION_STOP_NOW (1 << 6)
101 #define RAD_REQUEST_OPTION_REPROCESS (1 << 7)
104 * Function handler for requests.
106 typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
108 typedef struct radclient {
109 lrad_ipaddr_t ipaddr;
117 struct radclient *next;
128 typedef struct _realm {
131 char acct_server[64];
132 lrad_ipaddr_t ipaddr; /* authentication */
133 lrad_ipaddr_t acct_ipaddr;
135 time_t last_reply; /* last time we saw a packet */
139 int trusted; /* old */
141 int active; /* is it dead? */
142 time_t wakeup; /* when we should try it again */
149 typedef struct pair_list {
154 struct pair_list *next;
155 struct pair_list *lastdefault;
160 * Types of listeners.
162 typedef enum RAD_LISTEN_TYPE {
171 * For listening on multiple IP's and ports.
173 typedef struct rad_listen_t {
174 struct rad_listen_t *next; /* could be rbtree stuff */
176 RAD_LISTEN_TYPE type;
182 typedef enum radlog_dest_t {
190 typedef struct main_config_t {
191 struct main_config *next;
192 time_t config_dead_time;
193 uint32_t myip; /* from the command-line only */
194 int port; /* from the command-line only */
196 int log_auth_badpass;
197 int log_auth_goodpass;
202 int allow_core_dumps;
205 int post_proxy_authorize;
206 int wake_all_if_all_dead;
207 int proxy_synchronous;
209 int proxy_retry_count;
210 int proxy_retry_delay;
212 const char *proxy_fail_type;
215 int max_request_time;
218 int kill_unresponsive_children;
221 char *do_nospace_user;
222 char *do_nospace_pass;
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;
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
262 * This definition of true as NOT false is definitive. :) Making
263 * it '1' can cause problems on stupid platforms. See articles
264 * on C portability for more information.
266 #define TRUE (!FALSE)
269 /* for paircompare_register */
270 typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
272 typedef enum request_fail_t {
273 REQUEST_FAIL_UNKNOWN = 0,
274 REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
275 REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
276 REQUEST_FAIL_PROXY, /* call to proxy modules failed */
277 REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
278 REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
279 REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
280 REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
281 REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
282 REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
283 REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
289 * We really shouldn't have this many.
291 extern const char *progname;
292 extern int debug_flag;
293 extern const char *radacct_dir;
294 extern const char *radlog_dir;
295 extern const char *radlib_dir;
296 extern const char *radius_dir;
297 extern const char *radius_libdir;
298 extern uint32_t expiration_seconds;
299 extern int log_stripped_names;
300 extern int log_auth_detail;
301 extern const char *radiusd_version;
304 * Function prototypes.
308 int rad_accounting(REQUEST *);
311 int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
312 const char *sessionid);
313 int session_zap(REQUEST *request, uint32_t nasaddr,
314 unsigned int port, const char *user,
315 const char *sessionid, uint32_t cliaddr,
316 char proto,int session_time);
320 void debug_pair(FILE *, VALUE_PAIR *);
322 int log_err (char *);
325 void (*reset_signal(int signo, void (*func)(int)))(int);
326 void request_free(REQUEST **request);
327 int rad_mkdir(char *directory, int mode);
328 int rad_checkfilename(const char *filename);
329 void *rad_malloc(size_t size); /* calls exit(1) on error! */
330 REQUEST *request_alloc(void);
331 REQUEST *request_alloc_fake(REQUEST *oldreq);
332 int request_data_add(REQUEST *request,
333 void *unique_ptr, int unique_int,
334 void *opaque, void (*free_opaque)(void *));
335 void *request_data_get(REQUEST *request,
336 void *unique_ptr, int unique_int);
337 int rad_copy_string(char *dst, const char *src);
338 int rad_copy_variable(char *dst, const char *from);
340 /* request_process.c */
341 int rad_respond(REQUEST *request, RAD_REQUEST_FUNP fun);
342 void request_reject(REQUEST *request, request_fail_t reason);
343 void rfc_clean(RADIUS_PACKET *packet);
346 int read_clients_file(const char *file);
347 RADCLIENT *client_find(const lrad_ipaddr_t *ipaddr);
348 const char *client_name(const lrad_ipaddr_t *ipaddr);
349 void clients_free(RADCLIENT *cl);
352 REALM *realm_find(const char *, int);
353 REALM *realm_findbyaddr(uint32_t ipno, int port);
354 void realm_free(REALM *cl);
355 void realm_disable(uint32_t ipno, int port);
356 int pairlist_read(const char *file, PAIR_LIST **list, int complain);
357 void pairlist_free(PAIR_LIST **);
358 int read_config_files(void);
359 int read_realms_file(const char *file);
362 int read_naslist_file(char *);
363 NAS *nas_find(uint32_t ipno);
369 int vradlog(int, const char *, va_list ap);
370 int radlog(int, const char *, ...)
372 __attribute__ ((format (printf, 2, 3)))
375 int log_debug(const char *, ...)
377 __attribute__ ((format (printf, 1, 2)))
380 void vp_listdebug(VALUE_PAIR *vp);
383 int proxy_receive(REQUEST *request);
384 int proxy_send(REQUEST *request);
387 char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
388 int rad_authenticate (REQUEST *);
389 int rad_check_password(REQUEST *request);
390 int rad_postauth(REQUEST *);
393 int radius_exec_program(const char *, REQUEST *, int,
394 char *user_msg, int msg_len,
395 VALUE_PAIR *input_pairs,
396 VALUE_PAIR **output_pairs,
400 int timestr_match(char *, time_t);
403 int paircompare_register(int attr, int otherattr,
404 RAD_COMPARE_FUNC func,
406 void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
407 int paircmp(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
409 int simplepaircmp(REQUEST *, VALUE_PAIR *, VALUE_PAIR *);
410 void pair_builtincompare_init(void);
411 void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
414 typedef int (*RADIUS_ESCAPE_STRING)(char *out, int outlen, const char *in);
416 int radius_xlat(char * out, int outlen, const char *fmt,
417 REQUEST * request, RADIUS_ESCAPE_STRING func);
418 typedef int (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
419 int xlat_register(const char *module, RAD_XLAT_FUNC func, void *instance);
420 void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
424 extern int thread_pool_init(int spawn_flag);
425 extern int thread_pool_clean(time_t now);
426 extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
427 extern pid_t rad_fork(int exec_wait);
428 extern pid_t rad_waitpid(pid_t pid, int *status, int options);
429 extern int total_active_threads(void);
431 #ifndef HAVE_PTHREAD_H
432 #define rad_fork(n) fork()
433 #define rad_waitpid waitpid
437 /* Define a global config structure */
438 extern struct main_config_t mainconfig;
440 int read_mainconfig(int reload);
441 int free_mainconfig(void);
442 CONF_SECTION *read_radius_conf_file(void); /* for radwho and friends. */