/usr/include/freeradius/radiusd.h is in libfreeradius-dev 2.1.12+dfsg-1.2ubuntu8.2.
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#define RADIUSD_H
/*
* radiusd.h Structures, prototypes and global variables
* for the FreeRADIUS server.
*
* Version: $Id$
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Copyright 1999,2000,2002,2003,2004,2005,2006,2007,2008 The FreeRADIUS server project
*
*/
#include <freeradius/ident.h>
RCSIDH(radiusd_h, "$Id$")
#include <freeradius/libradius.h>
#include <freeradius/radpaths.h>
#include <freeradius/conf.h>
#include <freeradius/conffile.h>
#include <freeradius/event.h>
typedef struct auth_req REQUEST;
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif
#ifndef NDEBUG
#define REQUEST_MAGIC (0xdeadbeef)
#endif
/*
* New defines for minimizing the size of the server, to strip
* out functionality. In order to ensure that people don't have
* to re-run "configure", after "cvs update", we play some
* special games with the defines. i.e. any top-level "configure"
* option should set both WITH_FOO and WITHOUT_FOO. After a few
* weeks, the WITHOUT_FOO can be deleted from the configure script.
*/
#ifndef WITHOUT_PROXY
#define WITH_PROXY (1)
#endif
#ifndef WITHOUT_DETAIL
#define WITH_DETAIL (1)
#endif
#ifndef WITHOUT_SESSION_MGMT
#define WITH_SESSION_MGMT (1)
#endif
#ifndef WITHOUT_UNLANG
#define WITH_UNLANG (1)
#endif
#ifndef WITHOUT_ACCOUNTING
#define WITH_ACCOUNTING (1)
#else
#ifdef WITH_SESSION_MGMT
#error WITH_SESSION_MGMT is defined, but WITH_ACCOUNTING is not. Session management requires accounting.
#endif
#ifdef WITH_DETAIL
#error WITH_DETAIL is defined, but WITH_ACCOUNTING is not. Detail file reading requires accounting.
#endif
#endif
#ifndef WITHOUT_DYNAMIC_CLIENTS
#define WITH_DYNAMIC_CLIENTS (1)
#endif
#ifndef WITHOUT_STATS
#define WITH_STATS
#endif
#ifndef WITHOUT_COMMAND_SOCKET
#ifdef HAVE_SYS_UN_H
#define WITH_COMMAND_SOCKET (1)
#else
#define WITHOUT_COMMAND_SOCKET (1)
#endif
#endif
#ifndef WITHOUT_COA
#define WITH_COA (1)
#ifndef WITH_PROXY
#error WITH_COA requires WITH_PROXY
#endif
#endif
#include <freeradius/stats.h>
#include <freeradius/realms.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* See util.c
*/
typedef struct request_data_t request_data_t;
typedef struct radclient {
fr_ipaddr_t ipaddr;
int prefix;
char *longname;
char *secret;
char *shortname;
int message_authenticator;
char *nastype;
char *login;
char *password;
char *server;
int number; /* internal use only */
const CONF_SECTION *cs;
#ifdef WITH_STATS
fr_stats_t *auth;
#ifdef WITH_ACCOUNTING
fr_stats_t *acct;
#endif
#endif
#ifdef WITH_DYNAMIC_CLIENTS
int lifetime;
int dynamic; /* was dynamically defined */
time_t created;
time_t last_new_client;
char *client_server;
int rate_limit;
#endif
#ifdef WITH_COA
char *coa_name;
home_server *coa_server;
home_pool_t *coa_pool;
#endif
} RADCLIENT;
/*
* Types of listeners.
*
* Ordered by priority!
*/
typedef enum RAD_LISTEN_TYPE {
RAD_LISTEN_NONE = 0,
#ifdef WITH_PROXY
RAD_LISTEN_PROXY,
#endif
RAD_LISTEN_AUTH,
#ifdef WITH_ACCOUNTING
RAD_LISTEN_ACCT,
#endif
#ifdef WITH_DETAIL
RAD_LISTEN_DETAIL,
#endif
#ifdef WITH_VMPS
RAD_LISTEN_VQP,
#endif
#ifdef WITH_DHCP
RAD_LISTEN_DHCP,
#endif
#ifdef WITH_COMMAND_SOCKET
RAD_LISTEN_COMMAND,
#endif
#ifdef WITH_COA
RAD_LISTEN_COA,
#endif
RAD_LISTEN_MAX
} RAD_LISTEN_TYPE;
/*
* For listening on multiple IP's and ports.
*/
typedef struct rad_listen_t rad_listen_t;
typedef void (*radlog_func_t)(int, int, REQUEST *, const char *, ...);
#define REQUEST_DATA_REGEX (0xadbeef00)
#define REQUEST_MAX_REGEX (8)
struct auth_req {
#ifndef NDEBUG
uint32_t magic; /* for debugging only */
#endif
RADIUS_PACKET *packet;
#ifdef WITH_PROXY
RADIUS_PACKET *proxy;
#endif
RADIUS_PACKET *reply;
#ifdef WITH_PROXY
RADIUS_PACKET *proxy_reply;
#endif
VALUE_PAIR *config_items;
VALUE_PAIR *username;
VALUE_PAIR *password;
struct main_config_t *root;
request_data_t *data;
RADCLIENT *client;
#ifdef HAVE_PTHREAD_H
pthread_t child_pid;
#endif
time_t timestamp;
unsigned int number; /* internal server number */
rad_listen_t *listener;
#ifdef WITH_PROXY
rad_listen_t *proxy_listener;
#endif
int simul_max; /* see modcall.c && xlat.c */
#ifdef WITH_SESSION_MGMT
int simul_count;
int simul_mpp; /* WEIRD: 1 is false, 2 is true */
#endif
int options; /* miscellanous options */
const char *module; /* for debugging unresponsive children */
const char *component; /* ditto */
struct timeval received;
struct timeval when; /* to wake up */
int delay;
int master_state;
int child_state;
RAD_LISTEN_TYPE priority;
fr_event_t *ev;
struct timeval next_when;
fr_event_callback_t next_callback;
int in_request_hash;
#ifdef WITH_PROXY
int in_proxy_hash;
home_server *home_server;
home_pool_t *home_pool; /* for dynamic failover */
struct timeval proxy_when;
int num_proxied_requests;
int num_proxied_responses;
#endif
const char *server;
REQUEST *parent;
radlog_func_t radlog; /* logging function, if set */
#ifdef WITH_COA
REQUEST *coa;
int num_coa_requests;
#endif
}; /* REQUEST typedef */
#define RAD_REQUEST_OPTION_NONE (0)
#define RAD_REQUEST_OPTION_DEBUG (1)
#define RAD_REQUEST_OPTION_DEBUG2 (2)
#define RAD_REQUEST_OPTION_DEBUG3 (3)
#define RAD_REQUEST_OPTION_DEBUG4 (4)
#define REQUEST_ACTIVE (1)
#define REQUEST_STOP_PROCESSING (2)
#define REQUEST_COUNTED (3)
#define REQUEST_QUEUED (1)
#define REQUEST_RUNNING (2)
#define REQUEST_PROXIED (3)
#define REQUEST_REJECT_DELAY (4)
#define REQUEST_CLEANUP_DELAY (5)
#define REQUEST_DONE (6)
/*
* Function handler for requests.
*/
typedef int (*RAD_REQUEST_FUNP)(REQUEST *);
typedef struct radclient_list RADCLIENT_LIST;
typedef struct pair_list {
const char *name;
VALUE_PAIR *check;
VALUE_PAIR *reply;
int lineno;
int order;
struct pair_list *next;
struct pair_list *lastdefault;
} PAIR_LIST;
typedef int (*rad_listen_recv_t)(rad_listen_t *, RAD_REQUEST_FUNP *, REQUEST **);
typedef int (*rad_listen_send_t)(rad_listen_t *, REQUEST *);
typedef int (*rad_listen_print_t)(const rad_listen_t *, char *, size_t);
typedef int (*rad_listen_encode_t)(rad_listen_t *, REQUEST *);
typedef int (*rad_listen_decode_t)(rad_listen_t *, REQUEST *);
struct rad_listen_t {
struct rad_listen_t *next; /* should be rbtree stuff */
/*
* For normal sockets.
*/
RAD_LISTEN_TYPE type;
int fd;
const char *server;
int status;
rad_listen_recv_t recv;
rad_listen_send_t send;
rad_listen_encode_t encode;
rad_listen_decode_t decode;
rad_listen_print_t print;
const CONF_SECTION *cs;
void *data;
#ifdef WITH_STATS
fr_stats_t stats;
#endif
};
#define RAD_LISTEN_STATUS_INIT (0)
#define RAD_LISTEN_STATUS_KNOWN (1)
#define RAD_LISTEN_STATUS_CLOSED (2)
#define RAD_LISTEN_STATUS_FINISH (3)
typedef enum radlog_dest_t {
RADLOG_STDOUT = 0,
RADLOG_FILES,
RADLOG_SYSLOG,
RADLOG_STDERR,
RADLOG_NULL,
RADLOG_NUM_DEST
} radlog_dest_t;
typedef struct main_config_t {
struct main_config *next;
int refcount;
fr_ipaddr_t myip; /* from the command-line only */
int port; /* from the command-line only */
int log_auth;
int log_auth_badpass;
int log_auth_goodpass;
int allow_core_dumps;
int debug_level;
int proxy_requests;
int reject_delay;
int status_server;
int max_request_time;
int cleanup_delay;
int max_requests;
#ifdef DELETE_BLOCKED_REQUESTS
int kill_unresponsive_children;
#endif
char *log_file;
char *checkrad;
const char *pid_file;
rad_listen_t *listen;
int syslog_facility;
int radlog_fd;
radlog_dest_t radlog_dest;
CONF_SECTION *config;
const char *name;
const char *auth_badpass_msg;
const char *auth_goodpass_msg;
#ifdef WITH_POST_PROXY_AUTHORIZE
int post_proxy_authorize;
#endif
} MAIN_CONFIG_T;
#define DEBUG if(debug_flag)log_debug
#define DEBUG2 if (debug_flag > 1)log_debug
#define DEBUG3 if (debug_flag > 2)log_debug
#define DEBUG4 if (debug_flag > 3)log_debug
#if __GNUC__ >= 3
#define RDEBUG(fmt, ...) if(request && request->radlog) request->radlog(L_DBG, 1, request, fmt, ## __VA_ARGS__)
#define RDEBUG2(fmt, ...) if(request && request->radlog) request->radlog(L_DBG, 2, request, fmt, ## __VA_ARGS__)
#define RDEBUG3(fmt, ...) if(request && request->radlog) request->radlog(L_DBG, 3, request, fmt, ## __VA_ARGS__)
#define RDEBUG4(fmt, ...) if(request && request->radlog) request->radlog(L_DBG, 4, request, fmt, ## __VA_ARGS__)
#else
#define RDEBUG DEBUG
#define RDEBUG2 DEBUG2
#define RDEBUG3 DEBUG3
#define RDEBUG4 DEBUG4
#endif
#define SECONDS_PER_DAY 86400
#define MAX_REQUEST_TIME 30
#define CLEANUP_DELAY 5
#define MAX_REQUESTS 256
#define RETRY_DELAY 5
#define RETRY_COUNT 3
#define DEAD_TIME 120
#define L_DBG 1
#define L_AUTH 2
#define L_INFO 3
#define L_ERR 4
#define L_PROXY 5
#define L_ACCT 6
#define L_CONS 128
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
/*
* This definition of true as NOT false is definitive. :) Making
* it '1' can cause problems on stupid platforms. See articles
* on C portability for more information.
*/
#define TRUE (!FALSE)
#endif
/* for paircompare_register */
typedef int (*RAD_COMPARE_FUNC)(void *instance, REQUEST *,VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR *, VALUE_PAIR **);
typedef enum request_fail_t {
REQUEST_FAIL_UNKNOWN = 0,
REQUEST_FAIL_NO_THREADS, /* no threads to handle it */
REQUEST_FAIL_DECODE, /* rad_decode didn't like it */
REQUEST_FAIL_PROXY, /* call to proxy modules failed */
REQUEST_FAIL_PROXY_SEND, /* proxy_send didn't like it */
REQUEST_FAIL_NO_RESPONSE, /* we weren't told to respond, so we reject */
REQUEST_FAIL_HOME_SERVER, /* the home server didn't respond */
REQUEST_FAIL_HOME_SERVER2, /* another case of the above */
REQUEST_FAIL_HOME_SERVER3, /* another case of the above */
REQUEST_FAIL_NORMAL_REJECT, /* authentication failure */
REQUEST_FAIL_SERVER_TIMEOUT /* the server took too long to process the request */
} request_fail_t;
/*
* Global variables.
*
* We really shouldn't have this many.
*/
extern const char *progname;
extern int debug_flag;
extern const char *radacct_dir;
extern const char *radlog_dir;
extern const char *radlib_dir;
extern const char *radius_dir;
extern const char *radius_libdir;
extern uint32_t expiration_seconds;
extern int log_stripped_names;
extern int log_auth_detail;
extern const char *radiusd_version;
void radius_signal_self(int flag);
#define RADIUS_SIGNAL_SELF_NONE (0)
#define RADIUS_SIGNAL_SELF_HUP (1 << 0)
#define RADIUS_SIGNAL_SELF_TERM (1 << 1)
#define RADIUS_SIGNAL_SELF_EXIT (1 << 2)
#define RADIUS_SIGNAL_SELF_DETAIL (1 << 3)
#define RADIUS_SIGNAL_SELF_NEW_FD (1 << 4)
#define RADIUS_SIGNAL_SELF_MAX (1 << 5)
/*
* Function prototypes.
*/
/* acct.c */
int rad_accounting(REQUEST *);
/* session.c */
int rad_check_ts(uint32_t nasaddr, unsigned int port, const char *user,
const char *sessionid);
int session_zap(REQUEST *request, uint32_t nasaddr,
unsigned int port, const char *user,
const char *sessionid, uint32_t cliaddr,
char proto,int session_time);
/* radiusd.c */
#undef debug_pair
void debug_pair(VALUE_PAIR *);
void debug_pair_list(VALUE_PAIR *);
int log_err (char *);
/* util.c */
void (*reset_signal(int signo, void (*func)(int)))(int);
void request_free(REQUEST **request);
int rad_mkdir(char *directory, int mode);
int rad_checkfilename(const char *filename);
void *rad_malloc(size_t size); /* calls exit(1) on error! */
REQUEST *request_alloc(void);
REQUEST *request_alloc_fake(REQUEST *oldreq);
REQUEST *request_alloc_coa(REQUEST *request);
int request_data_add(REQUEST *request,
void *unique_ptr, int unique_int,
void *opaque, void (*free_opaque)(void *));
void *request_data_get(REQUEST *request,
void *unique_ptr, int unique_int);
void *request_data_reference(REQUEST *request,
void *unique_ptr, int unique_int);
int rad_copy_string(char *dst, const char *src);
int rad_copy_variable(char *dst, const char *from);
/* client.c */
RADCLIENT_LIST *clients_init(void);
void clients_free(RADCLIENT_LIST *clients);
RADCLIENT_LIST *clients_parse_section(CONF_SECTION *section);
void client_free(RADCLIENT *client);
int client_add(RADCLIENT_LIST *clients, RADCLIENT *client);
#ifdef WITH_DYNAMIC_CLIENTS
void client_delete(RADCLIENT_LIST *clients, RADCLIENT *client);
RADCLIENT *client_create(RADCLIENT_LIST *clients, REQUEST *request);
#endif
RADCLIENT *client_find(const RADCLIENT_LIST *clients,
const fr_ipaddr_t *ipaddr);
RADCLIENT *client_findbynumber(const RADCLIENT_LIST *clients,
int number);
RADCLIENT *client_find_old(const fr_ipaddr_t *ipaddr);
int client_validate(RADCLIENT_LIST *clients, RADCLIENT *master,
RADCLIENT *c);
RADCLIENT *client_read(const char *filename, int in_server, int flag);
/* files.c */
int pairlist_read(const char *file, PAIR_LIST **list, int complain);
void pairlist_free(PAIR_LIST **);
/* version.c */
void version(void);
/* log.c */
int vradlog(int, const char *, va_list ap);
int radlog(int, const char *, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
int log_debug(const char *, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 1, 2)))
#endif
;
void vp_listdebug(VALUE_PAIR *vp);
void radlog_request(int lvl, int priority, REQUEST *request, const char *msg, ...)
#ifdef __GNUC__
__attribute__ ((format (printf, 4, 5)))
#endif
;
/* auth.c */
char *auth_name(char *buf, size_t buflen, REQUEST *request, int do_cli);
int rad_authenticate (REQUEST *);
int rad_postauth(REQUEST *);
/* exec.c */
int radius_exec_program(const char *, REQUEST *, int,
char *user_msg, int msg_len,
VALUE_PAIR *input_pairs,
VALUE_PAIR **output_pairs,
int shell_escape);
/* timestr.c */
int timestr_match(char *, time_t);
/* valuepair.c */
int paircompare_register(int attr, int otherattr,
RAD_COMPARE_FUNC func,
void *instance);
void paircompare_unregister(int attr, RAD_COMPARE_FUNC func);
int paircompare(REQUEST *req, VALUE_PAIR *request, VALUE_PAIR *check,
VALUE_PAIR **reply);
void pairxlatmove(REQUEST *, VALUE_PAIR **to, VALUE_PAIR **from);
int radius_compare_vps(REQUEST *request, VALUE_PAIR *check, VALUE_PAIR *vp);
int radius_callback_compare(REQUEST *req, VALUE_PAIR *request,
VALUE_PAIR *check, VALUE_PAIR *check_pairs,
VALUE_PAIR **reply_pairs);
int radius_find_compare(int attribute);
VALUE_PAIR *radius_paircreate(REQUEST *request, VALUE_PAIR **vps,
int attribute, int type);
VALUE_PAIR *radius_pairmake(REQUEST *request, VALUE_PAIR **vps,
const char *attribute, const char *value,
int operator);
/* xlat.c */
typedef size_t (*RADIUS_ESCAPE_STRING)(char *out, size_t outlen, const char *in);
int radius_xlat(char * out, int outlen, const char *fmt,
REQUEST * request, RADIUS_ESCAPE_STRING func);
typedef size_t (*RAD_XLAT_FUNC)(void *instance, REQUEST *, char *, char *, size_t, RADIUS_ESCAPE_STRING func);
int xlat_register(const char *module, RAD_XLAT_FUNC func,
void *instance);
void xlat_unregister(const char *module, RAD_XLAT_FUNC func);
void xlat_free(void);
/* threads.c */
extern int thread_pool_init(CONF_SECTION *cs, int *spawn_flag);
extern int thread_pool_addrequest(REQUEST *, RAD_REQUEST_FUNP);
extern pid_t rad_fork(void);
extern pid_t rad_waitpid(pid_t pid, int *status);
extern int total_active_threads(void);
extern void thread_pool_lock(void);
extern void thread_pool_unlock(void);
extern void thread_pool_queue_stats(int *array);
#ifndef HAVE_PTHREAD_H
#define rad_fork(n) fork()
#define rad_waitpid(a,b) waitpid(a,b, 0)
#endif
/* mainconfig.c */
/* Define a global config structure */
extern struct main_config_t mainconfig;
int read_mainconfig(int reload);
int free_mainconfig(void);
void hup_mainconfig(void);
void fr_suid_down(void);
void fr_suid_up(void);
void fr_suid_down_permanent(void);
/* listen.c */
void listen_free(rad_listen_t **head);
int listen_init(CONF_SECTION *cs, rad_listen_t **head);
rad_listen_t *proxy_new_listener(fr_ipaddr_t *ipaddr, int exists);
RADCLIENT *client_listener_find(const rad_listen_t *listener,
const fr_ipaddr_t *ipaddr, int src_port);
#ifdef WITH_STATS
RADCLIENT_LIST *listener_find_client_list(const fr_ipaddr_t *ipaddr,
int port);
rad_listen_t *listener_find_byipaddr(const fr_ipaddr_t *ipaddr, int port);
#endif
/* event.c */
int radius_event_init(CONF_SECTION *cs, int spawn_flag);
void radius_event_free(void);
int radius_event_process(void);
void radius_handle_request(REQUEST *request, RAD_REQUEST_FUNP fun);
int received_request(rad_listen_t *listener,
RADIUS_PACKET *packet, REQUEST **prequest,
RADCLIENT *client);
REQUEST *received_proxy_response(RADIUS_PACKET *packet);
void event_new_fd(rad_listen_t *listener);
/* evaluate.c */
int radius_evaluate_condition(REQUEST *request, int modreturn, int depth,
const char **ptr, int evaluate_it, int *presult);
int radius_update_attrlist(REQUEST *request, CONF_SECTION *cs,
VALUE_PAIR *input_vps, const char *name);
void radius_pairmove(REQUEST *request, VALUE_PAIR **to, VALUE_PAIR *from);
#ifdef __cplusplus
}
#endif
#endif /*RADIUSD_H*/
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