/*
- * Copyright (C) 2006-2008 Stig Venaas <venaas@uninett.no>
+ * Copyright (C) 2006-2009 Stig Venaas <venaas@uninett.no>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
+/* Code contributions from:
+ *
+ * Arne Schwabe <schwabe at uni-paderborn.de>
+ * Maja Wolniewicz <mgw@umk.pl>
+ * Simon Leinen <simon.leinen@switch.ch>
+ * Stefan Winter <stefan.winter@restena.lu>
+ */
+
/* For UDP there is one server instance consisting of udpserverrd and udpserverth
* rd is responsible for init and launching wr
* For TLS there is a server instance that launches tlsserverrd for each TLS peer
* If TLS peers are configured, there will initially be 2 * #peers TLS threads
* For each TLS peer connecting to us there will be 2 more TLS threads
* This is only for connected peers
- * Example: With 3 UDP peer and 30 TLS peers, there will be a max of
+ * Example: With 3 UDP peers and 30 TLS peers, there will be a max of
* 1 + (2 + 2 * 3) + (2 * 30) + (2 * 30) = 129 threads
-*/
+ */
+
+/* Bugs:
+ * May segfault when dtls connections go down? More testing needed
+ * Remove expired stuff from clients request list?
+ * Multiple outgoing connections if not enough IDs? (multiple servers per conf?)
+ * Useful for TCP accounting? Now we require separate server config for alt port
+ */
#include <signal.h>
#include <sys/socket.h>
#include <netdb.h>
#include <string.h>
#include <unistd.h>
+#include <limits.h>
#ifdef SYS_SOLARIS9
#include <fcntl.h>
#endif
#include <regex.h>
#include <libgen.h>
#include <pthread.h>
+#include <errno.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/md5.h>
-#include <openssl/hmac.h>
-#include <openssl/x509v3.h>
#include "debug.h"
#include "list.h"
+#include "hash.h"
#include "util.h"
-#include "gconfig.h"
+#include "hostport.h"
#include "radsecproxy.h"
+#include "udp.h"
+#include "tcp.h"
+#include "tls.h"
+#include "dtls.h"
static struct options options;
-struct list *clconfs, *srvconfs, *realms, *tlsconfs, *rewriteconfs;
-
-static int client_udp_count = 0;
-static int client_tls_count = 0;
-static int server_udp_count = 0;
-static int server_tls_count = 0;
-
-static struct addrinfo *srcudpres = NULL;
-static struct addrinfo *srctcpres = NULL;
-
-static struct replyq *udp_server_replyq = NULL;
-static int udp_server_sock = -1;
-static int udp_accserver_sock = -1;
-static int udp_client4_sock = -1;
-static int udp_client6_sock = -1;
-static pthread_mutex_t *ssl_locks;
+static struct list *clconfs, *srvconfs;
+static struct list *realms;
+static struct hash *rewriteconfs;
+
+static pthread_mutex_t *ssl_locks = NULL;
static long *ssl_lock_count;
extern int optind;
extern char *optarg;
+static const struct protodefs *protodefs[RAD_PROTOCOUNT];
/* minimum required declarations to avoid reordering code */
-void adddynamicrealmserver(struct realm *realm, struct clsrvconf *conf, char *id);
-void dynamicconfig(struct server *server);
+struct realm *adddynamicrealmserver(struct realm *realm, char *id);
+int dynamicconfig(struct server *server);
int confserver_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val);
-
+void freerealm(struct realm *realm);
+void freeclsrvconf(struct clsrvconf *conf);
+void freerq(struct request *rq);
+void freerqoutdata(struct rqout *rqout);
+void rmclientrq(struct request *rq, uint8_t id);
+
+static const struct protodefs *(*protoinits[])(uint8_t) = { udpinit, tlsinit, tcpinit, dtlsinit };
+
+uint8_t protoname2int(const char *name) {
+ uint8_t i;
+
+ for (i = 0; i < RAD_PROTOCOUNT; i++)
+ if (protodefs[i] && protodefs[i]->name && !strcasecmp(protodefs[i]->name, name))
+ return i;
+ return 255;
+}
+
/* callbacks for making OpenSSL thread safe */
unsigned long ssl_thread_id() {
- return (unsigned long)pthread_self();
+ return (unsigned long)pthread_self();
}
void ssl_locking_callback(int mode, int type, const char *file, int line) {
pthread_mutex_unlock(&ssl_locks[type]);
}
-static int pem_passwd_cb(char *buf, int size, int rwflag, void *userdata) {
- int pwdlen = strlen(userdata);
- if (rwflag != 0 || pwdlen > size) /* not for decryption or too large */
- return 0;
- memcpy(buf, userdata, pwdlen);
- return pwdlen;
-}
-
-static int verify_cb(int ok, X509_STORE_CTX *ctx) {
- char buf[256];
- X509 *err_cert;
- int err, depth;
-
- err_cert = X509_STORE_CTX_get_current_cert(ctx);
- err = X509_STORE_CTX_get_error(ctx);
- depth = X509_STORE_CTX_get_error_depth(ctx);
-
- if (depth > MAX_CERT_DEPTH) {
- ok = 0;
- err = X509_V_ERR_CERT_CHAIN_TOO_LONG;
- X509_STORE_CTX_set_error(ctx, err);
- }
-
- if (!ok) {
- X509_NAME_oneline(X509_get_subject_name(err_cert), buf, 256);
- debug(DBG_WARN, "verify error: num=%d:%s:depth=%d:%s", err, X509_verify_cert_error_string(err), depth, buf);
-
- switch (err) {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert), buf, 256);
- debug(DBG_WARN, "\tIssuer=%s", buf);
- break;
- case X509_V_ERR_CERT_NOT_YET_VALID:
- case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
- debug(DBG_WARN, "\tCertificate not yet valid");
- break;
- case X509_V_ERR_CERT_HAS_EXPIRED:
- debug(DBG_WARN, "Certificate has expired");
- break;
- case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
- debug(DBG_WARN, "Certificate no longer valid (after notAfter)");
- break;
- }
- }
-#ifdef DEBUG
- printf("certificate verify returns %d\n", ok);
-#endif
- return ok;
-}
-
-int resolvepeer(struct clsrvconf *conf, int ai_flags) {
- struct addrinfo hints, *addrinfo, *res;
- char *slash, *s;
- int plen;
-
- slash = conf->host ? strchr(conf->host, '/') : NULL;
- if (slash) {
- s = slash + 1;
- if (!*s) {
- debug(DBG_WARN, "resolvepeer: prefix length must be specified after the / in %s", conf->host);
- return 0;
- }
- for (; *s; s++)
- if (*s < '0' || *s > '9') {
- debug(DBG_WARN, "resolvepeer: %s in %s is not a valid prefix length", slash + 1, conf->host);
- return 0;
- }
- plen = atoi(slash + 1);
- if (plen < 0 || plen > 128) {
- debug(DBG_WARN, "resolvepeer: %s in %s is not a valid prefix length", slash + 1, conf->host);
- return 0;
- }
- *slash = '\0';
- }
- memset(&hints, 0, sizeof(hints));
- hints.ai_socktype = (conf->type == 'T' ? SOCK_STREAM : SOCK_DGRAM);
- hints.ai_family = AF_UNSPEC;
- hints.ai_flags = ai_flags;
- if (!conf->host && !conf->port) {
- /* getaddrinfo() doesn't like host and port to be NULL */
- if (getaddrinfo(conf->host, DEFAULT_UDP_PORT, &hints, &addrinfo)) {
- debug(DBG_WARN, "resolvepeer: can't resolve (null) port (null)");
- return 0;
- }
- for (res = addrinfo; res; res = res->ai_next) {
- switch (res->ai_family) {
- case AF_INET:
- ((struct sockaddr_in *)res->ai_addr)->sin_port = 0;
- break;
- case AF_INET6:
- ((struct sockaddr_in6 *)res->ai_addr)->sin6_port = 0;
- break;
- }
- }
- } else {
- if (slash)
- hints.ai_flags |= AI_NUMERICHOST;
- if (getaddrinfo(conf->host, conf->port, &hints, &addrinfo)) {
- debug(DBG_WARN, "resolvepeer: can't resolve %s port %s", conf->host ? conf->host : "(null)", conf->port ? conf->port : "(null)");
- return 0;
- }
- if (slash) {
- *slash = '/';
- switch (addrinfo->ai_family) {
- case AF_INET:
- if (plen > 32) {
- debug(DBG_WARN, "resolvepeer: prefix length must be <= 32 in %s", conf->host);
- freeaddrinfo(addrinfo);
- return 0;
- }
- break;
- case AF_INET6:
- break;
- default:
- debug(DBG_WARN, "resolvepeer: prefix must be IPv4 or IPv6 in %s", conf->host);
- freeaddrinfo(addrinfo);
- return 0;
- }
- conf->prefixlen = plen;
- } else
- conf->prefixlen = 255;
- }
- if (conf->addrinfo)
- freeaddrinfo(conf->addrinfo);
- conf->addrinfo = addrinfo;
- return 1;
-}
-
-int bindtoaddr(struct addrinfo *addrinfo, int family, int reuse, int v6only) {
- int s, on = 1;
- struct addrinfo *res;
-
- for (res = addrinfo; res; res = res->ai_next) {
- if (family != AF_UNSPEC && family != res->ai_family)
- continue;
- s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
- if (s < 0) {
- debug(DBG_WARN, "bindtoaddr: socket failed");
- continue;
- }
- if (reuse)
- setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
-#ifdef IPV6_V6ONLY
- if (v6only)
- setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
-#endif
-
- if (!bind(s, res->ai_addr, res->ai_addrlen))
- return s;
- debug(DBG_WARN, "bindtoaddr: bind failed");
- close(s);
- }
- return -1;
-}
-
-char *parsehostport(char *s, struct clsrvconf *conf, char *default_port) {
- char *p, *field;
- int ipv6 = 0;
-
- p = s;
- /* allow literal addresses and port, e.g. [2001:db8::1]:1812 */
- if (*p == '[') {
- p++;
- field = p;
- for (; *p && *p != ']' && *p != ' ' && *p != '\t' && *p != '\n'; p++);
- if (*p != ']')
- debugx(1, DBG_ERR, "no ] matching initial [");
- ipv6 = 1;
- } else {
- field = p;
- for (; *p && *p != ':' && *p != ' ' && *p != '\t' && *p != '\n'; p++);
- }
- if (field == p)
- debugx(1, DBG_ERR, "missing host/address");
-
- conf->host = stringcopy(field, p - field);
- if (ipv6) {
- p++;
- if (*p && *p != ':' && *p != ' ' && *p != '\t' && *p != '\n')
- debugx(1, DBG_ERR, "unexpected character after ]");
- }
- if (*p == ':') {
- /* port number or service name is specified */;
- field = ++p;
- for (; *p && *p != ' ' && *p != '\t' && *p != '\n'; p++);
- if (field == p)
- debugx(1, DBG_ERR, "syntax error, : but no following port");
- conf->port = stringcopy(field, p - field);
- } else
- conf->port = default_port ? stringcopy(default_port, 0) : NULL;
- return p;
-}
-
-struct clsrvconf *resolve_hostport(char type, char *lconf, char *default_port) {
- struct clsrvconf *conf;
-
- conf = malloc(sizeof(struct clsrvconf));
- if (!conf)
- debugx(1, DBG_ERR, "malloc failed");
- memset(conf, 0, sizeof(struct clsrvconf));
- conf->type = type;
- if (lconf) {
- parsehostport(lconf, conf, default_port);
- if (!strcmp(conf->host, "*")) {
- free(conf->host);
- conf->host = NULL;
- }
- } else
- conf->port = default_port ? stringcopy(default_port, 0) : NULL;
- if (!resolvepeer(conf, AI_PASSIVE))
- debugx(1, DBG_ERR, "failed to resolve host %s port %s, exiting", conf->host ? conf->host : "(null)", conf->port ? conf->port : "(null)");
- return conf;
-}
-
-void freeclsrvres(struct clsrvconf *res) {
- free(res->host);
- free(res->port);
- if (res->addrinfo)
- freeaddrinfo(res->addrinfo);
- free(res);
-}
-
-int connecttcp(struct addrinfo *addrinfo) {
- int s;
- struct addrinfo *res;
-
- s = -1;
- for (res = addrinfo; res; res = res->ai_next) {
- s = bindtoaddr(srctcpres, res->ai_family, 1, 1);
- if (s < 0) {
- debug(DBG_WARN, "connecttoserver: socket failed");
- continue;
- }
- if (connect(s, res->ai_addr, res->ai_addrlen) == 0)
- break;
- debug(DBG_WARN, "connecttoserver: connect failed");
- close(s);
- s = -1;
- }
- return s;
-}
-
/* returns 1 if the len first bits are equal, else 0 */
int prefixmatch(void *a1, void *a2, uint8_t len) {
static uint8_t mask[] = { 0, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe };
- int r, l = len / 8;
+ uint8_t r, l = len / 8;
if (l && memcmp(a1, a2, l))
return 0;
r = len % 8;
return (((uint8_t *)a1)[l] & mask[r]) == (((uint8_t *)a2)[l] & mask[r]);
}
-/* check if conf has matching address */
-struct clsrvconf *checkconfaddr(char type, struct sockaddr *addr, struct clsrvconf *conf) {
- struct sockaddr_in6 *sa6 = NULL;
- struct in_addr *a4 = NULL;
- struct addrinfo *res;
-
- if (addr->sa_family == AF_INET6) {
- sa6 = (struct sockaddr_in6 *)addr;
- if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) {
- a4 = (struct in_addr *)&sa6->sin6_addr.s6_addr[12];
- sa6 = NULL;
- }
- } else
- a4 = &((struct sockaddr_in *)addr)->sin_addr;
-
- if (conf->type == type) {
- if (conf->prefixlen == 255) {
- for (res = conf->addrinfo; res; res = res->ai_next)
- if ((a4 && res->ai_family == AF_INET &&
- !memcmp(a4, &((struct sockaddr_in *)res->ai_addr)->sin_addr, 4)) ||
- (sa6 && res->ai_family == AF_INET6 &&
- !memcmp(&sa6->sin6_addr, &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 16)))
- return conf;
- } else {
- res = conf->addrinfo;
- if (res &&
- ((a4 && res->ai_family == AF_INET &&
- prefixmatch(a4, &((struct sockaddr_in *)res->ai_addr)->sin_addr, conf->prefixlen)) ||
- (sa6 && res->ai_family == AF_INET6 &&
- prefixmatch(&sa6->sin6_addr, &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, conf->prefixlen))))
- return conf;
+/* returns next config with matching address, or NULL */
+struct clsrvconf *find_conf(uint8_t type, struct sockaddr *addr, struct list *confs, struct list_node **cur, uint8_t server_p) {
+ struct list_node *entry;
+ struct clsrvconf *conf;
+
+ for (entry = (cur && *cur ? list_next(*cur) : list_first(confs)); entry; entry = list_next(entry)) {
+ conf = (struct clsrvconf *)entry->data;
+ if (conf->type == type && addressmatches(conf->hostports, addr, server_p)) {
+ if (cur)
+ *cur = entry;
+ return conf;
}
}
return NULL;
}
-/* returns next config with matching address, or NULL */
-struct clsrvconf *find_conf(char type, struct sockaddr *addr, struct list *confs, struct list_node **cur) {
- struct sockaddr_in6 *sa6 = NULL;
- struct in_addr *a4 = NULL;
- struct addrinfo *res;
+struct clsrvconf *find_clconf(uint8_t type, struct sockaddr *addr, struct list_node **cur) {
+ return find_conf(type, addr, clconfs, cur, 0);
+}
+
+struct clsrvconf *find_srvconf(uint8_t type, struct sockaddr *addr, struct list_node **cur) {
+ return find_conf(type, addr, srvconfs, cur, 1);
+}
+
+/* returns next config of given type, or NULL */
+struct clsrvconf *find_clconf_type(uint8_t type, struct list_node **cur) {
struct list_node *entry;
struct clsrvconf *conf;
-
- if (addr->sa_family == AF_INET6) {
- sa6 = (struct sockaddr_in6 *)addr;
- if (IN6_IS_ADDR_V4MAPPED(&sa6->sin6_addr)) {
- a4 = (struct in_addr *)&sa6->sin6_addr.s6_addr[12];
- sa6 = NULL;
- }
- } else
- a4 = &((struct sockaddr_in *)addr)->sin_addr;
- for (entry = (cur && *cur ? list_next(*cur) : list_first(confs)); entry; entry = list_next(entry)) {
+ for (entry = (cur && *cur ? list_next(*cur) : list_first(clconfs)); entry; entry = list_next(entry)) {
conf = (struct clsrvconf *)entry->data;
if (conf->type == type) {
- if (conf->prefixlen == 255) {
- for (res = conf->addrinfo; res; res = res->ai_next)
- if ((a4 && res->ai_family == AF_INET &&
- !memcmp(a4, &((struct sockaddr_in *)res->ai_addr)->sin_addr, 4)) ||
- (sa6 && res->ai_family == AF_INET6 &&
- !memcmp(&sa6->sin6_addr, &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, 16))) {
- if (cur)
- *cur = entry;
- return conf;
- }
- } else {
- res = conf->addrinfo;
- if (res &&
- ((a4 && res->ai_family == AF_INET &&
- prefixmatch(a4, &((struct sockaddr_in *)res->ai_addr)->sin_addr, conf->prefixlen)) ||
- (sa6 && res->ai_family == AF_INET6 &&
- prefixmatch(&sa6->sin6_addr, &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr, conf->prefixlen)))) {
- if (cur)
- *cur = entry;
- return conf;
- }
- }
+ if (cur)
+ *cur = entry;
+ return conf;
}
- }
+ }
return NULL;
}
-struct replyq *newreplyq() {
- struct replyq *replyq;
-
- replyq = malloc(sizeof(struct replyq));
- if (!replyq)
+struct gqueue *newqueue() {
+ struct gqueue *q;
+
+ q = malloc(sizeof(struct gqueue));
+ if (!q)
debugx(1, DBG_ERR, "malloc failed");
- replyq->replies = list_create();
- if (!replyq->replies)
+ q->entries = list_create();
+ if (!q->entries)
debugx(1, DBG_ERR, "malloc failed");
- pthread_mutex_init(&replyq->mutex, NULL);
- pthread_cond_init(&replyq->cond, NULL);
- return replyq;
+ pthread_mutex_init(&q->mutex, NULL);
+ pthread_cond_init(&q->cond, NULL);
+ return q;
}
-struct client *addclient(struct clsrvconf *conf) {
+void removequeue(struct gqueue *q) {
+ struct list_node *entry;
+
+ if (!q)
+ return;
+ pthread_mutex_lock(&q->mutex);
+ for (entry = list_first(q->entries); entry; entry = list_next(entry))
+ freerq((struct request *)entry);
+ list_destroy(q->entries);
+ pthread_cond_destroy(&q->cond);
+ pthread_mutex_unlock(&q->mutex);
+ pthread_mutex_destroy(&q->mutex);
+ free(q);
+}
+
+void freebios(struct gqueue *q) {
+ BIO *bio;
+
+ pthread_mutex_lock(&q->mutex);
+ while ((bio = (BIO *)list_shift(q->entries)))
+ BIO_free(bio);
+ pthread_mutex_unlock(&q->mutex);
+ removequeue(q);
+}
+
+struct client *addclient(struct clsrvconf *conf, uint8_t lock) {
struct client *new = malloc(sizeof(struct client));
-
+
if (!new) {
debug(DBG_ERR, "malloc failed");
return NULL;
}
+
+ if (lock)
+ pthread_mutex_lock(conf->lock);
if (!conf->clients) {
conf->clients = list_create();
if (!conf->clients) {
+ if (lock)
+ pthread_mutex_unlock(conf->lock);
debug(DBG_ERR, "malloc failed");
return NULL;
}
}
-
+
memset(new, 0, sizeof(struct client));
new->conf = conf;
- new->replyq = conf->type == 'T' ? newreplyq() : udp_server_replyq;
-
+ if (conf->pdef->addclient)
+ conf->pdef->addclient(new);
+ else
+ new->replyq = newqueue();
list_push(conf->clients, new);
+ if (lock)
+ pthread_mutex_unlock(conf->lock);
return new;
}
-void removeclient(struct client *client) {
- struct list_node *entry;
-
- if (!client || !client->conf->clients)
- return;
+void removeclientrqs_sendrq_freeserver_lock(uint8_t wantlock) {
+ static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- pthread_mutex_lock(&client->replyq->mutex);
- for (entry = list_first(client->replyq->replies); entry; entry = list_next(entry))
- free(((struct reply *)entry)->buf);
- list_destroy(client->replyq->replies);
- pthread_cond_destroy(&client->replyq->cond);
- pthread_mutex_unlock(&client->replyq->mutex);
- pthread_mutex_destroy(&client->replyq->mutex);
- list_removedata(client->conf->clients, client);
- free(client);
+ if (wantlock)
+ pthread_mutex_lock(&lock);
+ else
+ pthread_mutex_unlock(&lock);
}
void removeclientrqs(struct client *client) {
- struct list_node *entry;
- struct server *server;
struct request *rq;
+ struct rqout *rqout;
int i;
-
- for (entry = list_first(srvconfs); entry; entry = list_next(entry)) {
- server = ((struct clsrvconf *)entry->data)->servers;
- pthread_mutex_lock(&server->newrq_mutex);
- for (i = 0; i < MAX_REQUESTS; i++) {
- rq = server->requests + i;
- if (rq->from == client)
- rq->from = NULL;
+
+ removeclientrqs_sendrq_freeserver_lock(1);
+ for (i = 0; i < MAX_REQUESTS; i++) {
+ rq = client->rqs[i];
+ if (!rq)
+ continue;
+ if (rq->to) {
+ rqout = rq->to->requests + rq->newid;
+ pthread_mutex_lock(rqout->lock);
+ if (rqout->rq == rq) /* still pointing to our request */
+ freerqoutdata(rqout);
+ pthread_mutex_unlock(rqout->lock);
}
- pthread_mutex_unlock(&server->newrq_mutex);
+ freerq(rq);
}
+ removeclientrqs_sendrq_freeserver_lock(0);
+}
+
+void removelockedclient(struct client *client) {
+ struct clsrvconf *conf;
+
+ conf = client->conf;
+ if (conf->clients) {
+ removeclientrqs(client);
+ removequeue(client->replyq);
+ list_removedata(conf->clients, client);
+ free(client->addr);
+ free(client);
+ }
+}
+
+void removeclient(struct client *client) {
+ struct clsrvconf *conf;
+
+ if (!client)
+ return;
+
+ conf = client->conf;
+ pthread_mutex_lock(conf->lock);
+ removelockedclient(client);
+ pthread_mutex_unlock(conf->lock);
}
void freeserver(struct server *server, uint8_t destroymutex) {
+ struct rqout *rqout, *end;
+
if (!server)
return;
-
- free(server->requests);
+
+ removeclientrqs_sendrq_freeserver_lock(1);
+ if (server->requests) {
+ rqout = server->requests;
+ for (end = rqout + MAX_REQUESTS; rqout < end; rqout++) {
+ if (rqout->rq)
+ rqout->rq->to = NULL;
+ freerqoutdata(rqout);
+ pthread_mutex_destroy(rqout->lock);
+ free(rqout->lock);
+ }
+ free(server->requests);
+ }
+ if (server->rbios)
+ freebios(server->rbios);
free(server->dynamiclookuparg);
+ if (server->ssl)
+ SSL_free(server->ssl);
if (destroymutex) {
pthread_mutex_destroy(&server->lock);
pthread_cond_destroy(&server->newrq_cond);
pthread_mutex_destroy(&server->newrq_mutex);
}
+ removeclientrqs_sendrq_freeserver_lock(0);
free(server);
}
int addserver(struct clsrvconf *conf) {
- struct clsrvconf *res;
-
+ int i;
+
if (conf->servers) {
debug(DBG_ERR, "addserver: currently works with just one server per conf");
return 0;
memset(conf->servers, 0, sizeof(struct server));
conf->servers->conf = conf;
- if (conf->type == 'U') {
- if (!srcudpres) {
- res = resolve_hostport('U', options.sourceudp, NULL);
- srcudpres = res->addrinfo;
- res->addrinfo = NULL;
- freeclsrvres(res);
- }
- switch (conf->addrinfo->ai_family) {
- case AF_INET:
- if (udp_client4_sock < 0) {
- udp_client4_sock = bindtoaddr(srcudpres, AF_INET, 0, 1);
- if (udp_client4_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->host);
- }
- conf->servers->sock = udp_client4_sock;
- break;
- case AF_INET6:
- if (udp_client6_sock < 0) {
- udp_client6_sock = bindtoaddr(srcudpres, AF_INET6, 0, 1);
- if (udp_client6_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->host);
- }
- conf->servers->sock = udp_client6_sock;
- break;
- default:
- debugx(1, DBG_ERR, "addserver: unsupported address family");
- }
-
- } else {
- if (!srctcpres) {
- res = resolve_hostport('T', options.sourcetcp, NULL);
- srctcpres = res->addrinfo;
- res->addrinfo = NULL;
- freeclsrvres(res);
- }
- conf->servers->sock = -1;
- }
-
- conf->servers->requests = calloc(MAX_REQUESTS, sizeof(struct request));
+#ifdef RADPROT_DTLS
+ if (conf->type == RAD_DTLS)
+ conf->servers->rbios = newqueue();
+#endif
+ conf->pdef->setsrcres();
+
+ conf->servers->sock = -1;
+ if (conf->pdef->addserverextra)
+ conf->pdef->addserverextra(conf);
+
+ conf->servers->requests = calloc(MAX_REQUESTS, sizeof(struct rqout));
if (!conf->servers->requests) {
debug(DBG_ERR, "malloc failed");
goto errexit;
}
+ for (i = 0; i < MAX_REQUESTS; i++) {
+ conf->servers->requests[i].lock = malloc(sizeof(pthread_mutex_t));
+ if (!conf->servers->requests[i].lock) {
+ debug(DBG_ERR, "malloc failed");
+ goto errexit;
+ }
+ if (pthread_mutex_init(conf->servers->requests[i].lock, NULL)) {
+ debugerrno(errno, DBG_ERR, "mutex init failed");
+ free(conf->servers->requests[i].lock);
+ conf->servers->requests[i].lock = NULL;
+ goto errexit;
+ }
+ }
if (pthread_mutex_init(&conf->servers->lock, NULL)) {
- debug(DBG_ERR, "mutex init failed");
+ debugerrno(errno, DBG_ERR, "mutex init failed");
goto errexit;
}
conf->servers->newrq = 0;
if (pthread_mutex_init(&conf->servers->newrq_mutex, NULL)) {
- debug(DBG_ERR, "mutex init failed");
+ debugerrno(errno, DBG_ERR, "mutex init failed");
pthread_mutex_destroy(&conf->servers->lock);
goto errexit;
}
if (pthread_cond_init(&conf->servers->newrq_cond, NULL)) {
- debug(DBG_ERR, "mutex init failed");
+ debugerrno(errno, DBG_ERR, "mutex init failed");
pthread_mutex_destroy(&conf->servers->newrq_mutex);
pthread_mutex_destroy(&conf->servers->lock);
goto errexit;
}
return 1;
-
- errexit:
+
+errexit:
freeserver(conf->servers, 0);
conf->servers = NULL;
return 0;
}
-/* exactly one of client and server must be non-NULL */
-/* should probably take peer list (client(s) or server(s)) as argument instead */
-/* if *peer == NULL we return who we received from, else require it to be from peer */
-/* return from in sa if not NULL */
-unsigned char *radudpget(int s, struct client **client, struct server **server, struct sockaddr_storage *sa) {
- int cnt, len;
- unsigned char buf[65536], *rad;
- struct sockaddr_storage from;
- socklen_t fromlen = sizeof(from);
- struct clsrvconf *p;
- struct list_node *node;
-
- for (;;) {
- cnt = recvfrom(s, buf, sizeof(buf), 0, (struct sockaddr *)&from, &fromlen);
- if (cnt == -1) {
- debug(DBG_WARN, "radudpget: recv failed");
- continue;
- }
- debug(DBG_DBG, "radudpget: got %d bytes from %s", cnt, addr2string((struct sockaddr *)&from, fromlen));
-
- if (cnt < 20) {
- debug(DBG_WARN, "radudpget: packet too small");
- continue;
- }
-
- len = RADLEN(buf);
- if (len < 20) {
- debug(DBG_WARN, "radudpget: length too small");
- continue;
- }
-
- if (cnt < len) {
- debug(DBG_WARN, "radudpget: packet smaller than length field in radius header");
- continue;
- }
- if (cnt > len)
- debug(DBG_DBG, "radudpget: packet was padded with %d bytes", cnt - len);
-
- if (client)
- if (*client)
- p = checkconfaddr('U', (struct sockaddr *)&from, (*client)->conf);
- else
- p = find_conf('U', (struct sockaddr *)&from, clconfs, NULL);
- else
- if (*server)
- p = checkconfaddr('U', (struct sockaddr *)&from, (*server)->conf);
- else
- p = find_conf('U', (struct sockaddr *)&from, srvconfs, NULL);
-
- if (!p) {
- debug(DBG_WARN, "radudpget: got packet from wrong or unknown UDP peer %s, ignoring", addr2string((struct sockaddr *)&from, fromlen));
- continue;
- }
-
- rad = malloc(len);
- if (!rad) {
- debug(DBG_ERR, "radudpget: malloc failed");
- continue;
- }
-
- if (client && !*client) {
- node = list_first(p->clients);
- *client = node ? (struct client *)node->data : addclient(p);
- if (!*client) {
- free(rad);
- continue;
- }
- } else if (server && !*server)
- *server = p->servers;
-
- break;
- }
- memcpy(rad, buf, len);
- if (sa)
- *sa = from;
- return rad;
-}
-
-int subjectaltnameaddr(X509 *cert, int family, struct in6_addr *addr) {
- int loc, i, l, n, r = 0;
- char *v;
- X509_EXTENSION *ex;
- STACK_OF(GENERAL_NAME) *alt;
- GENERAL_NAME *gn;
-
- debug(DBG_DBG, "subjectaltnameaddr");
-
- loc = X509_get_ext_by_NID(cert, NID_subject_alt_name, -1);
- if (loc < 0)
- return r;
-
- ex = X509_get_ext(cert, loc);
- alt = X509V3_EXT_d2i(ex);
- if (!alt)
- return r;
-
- n = sk_GENERAL_NAME_num(alt);
- for (i = 0; i < n; i++) {
- gn = sk_GENERAL_NAME_value(alt, i);
- if (gn->type != GEN_IPADD)
- continue;
- r = -1;
- v = (char *)ASN1_STRING_data(gn->d.ia5);
- l = ASN1_STRING_length(gn->d.ia5);
- if (((family == AF_INET && l == sizeof(struct in_addr)) || (family == AF_INET6 && l == sizeof(struct in6_addr)))
- && !memcmp(v, &addr, l)) {
- r = 1;
- break;
- }
- }
- GENERAL_NAMES_free(alt);
- return r;
-}
-
-int cnregexp(X509 *cert, char *exact, regex_t *regex) {
- int loc, l;
- char *v, *s;
- X509_NAME *nm;
- X509_NAME_ENTRY *e;
- ASN1_STRING *t;
-
- nm = X509_get_subject_name(cert);
- loc = -1;
- for (;;) {
- loc = X509_NAME_get_index_by_NID(nm, NID_commonName, loc);
- if (loc == -1)
- break;
- e = X509_NAME_get_entry(nm, loc);
- t = X509_NAME_ENTRY_get_data(e);
- v = (char *) ASN1_STRING_data(t);
- l = ASN1_STRING_length(t);
- if (l < 0)
- continue;
- if (exact) {
- if (l == strlen(exact) && !strncasecmp(exact, v, l))
- return 1;
- } else {
- s = stringcopy((char *)v, l);
- if (!s) {
- debug(DBG_ERR, "malloc failed");
- continue;
- }
- if (regexec(regex, s, 0, NULL, 0)) {
- free(s);
- continue;
- }
- free(s);
- return 1;
- }
- }
- return 0;
-}
-
-int subjectaltnameregexp(X509 *cert, int type, char *exact, regex_t *regex) {
- int loc, i, l, n, r = 0;
- char *s, *v;
- X509_EXTENSION *ex;
- STACK_OF(GENERAL_NAME) *alt;
- GENERAL_NAME *gn;
-
- debug(DBG_DBG, "subjectaltnameregexp");
-
- loc = X509_get_ext_by_NID(cert, NID_subject_alt_name, -1);
- if (loc < 0)
- return r;
-
- ex = X509_get_ext(cert, loc);
- alt = X509V3_EXT_d2i(ex);
- if (!alt)
- return r;
-
- n = sk_GENERAL_NAME_num(alt);
- for (i = 0; i < n; i++) {
- gn = sk_GENERAL_NAME_value(alt, i);
- if (gn->type != type)
- continue;
- r = -1;
- v = (char *)ASN1_STRING_data(gn->d.ia5);
- l = ASN1_STRING_length(gn->d.ia5);
- if (l <= 0)
- continue;
-#ifdef DEBUG
- printfchars(NULL, gn->type == GEN_DNS ? "dns" : "uri", NULL, v, l);
-#endif
- if (exact) {
- if (memcmp(v, exact, l))
- continue;
- } else {
- s = stringcopy((char *)v, l);
- if (!s) {
- debug(DBG_ERR, "malloc failed");
- continue;
- }
- if (regexec(regex, s, 0, NULL, 0)) {
- free(s);
- continue;
- }
- free(s);
- }
- r = 1;
- break;
- }
- GENERAL_NAMES_free(alt);
- return r;
-}
-
-X509 *verifytlscert(SSL *ssl) {
- X509 *cert;
- unsigned long error;
-
- if (SSL_get_verify_result(ssl) != X509_V_OK) {
- debug(DBG_ERR, "verifytlscert: basic validation failed");
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "verifytlscert: TLS: %s", ERR_error_string(error, NULL));
- return NULL;
- }
-
- cert = SSL_get_peer_certificate(ssl);
- if (!cert)
- debug(DBG_ERR, "verifytlscert: failed to obtain certificate");
- return cert;
-}
-
-int verifyconfcert(X509 *cert, struct clsrvconf *conf) {
- int r;
- uint8_t type = 0; /* 0 for DNS, AF_INET for IPv4, AF_INET6 for IPv6 */
- struct in6_addr addr;
-
- if (conf->certnamecheck && conf->prefixlen == 255) {
- if (inet_pton(AF_INET, conf->host, &addr))
- type = AF_INET;
- else if (inet_pton(AF_INET6, conf->host, &addr))
- type = AF_INET6;
-
- r = type ? subjectaltnameaddr(cert, type, &addr) : subjectaltnameregexp(cert, GEN_DNS, conf->host, NULL);
- if (r) {
- if (r < 0) {
- debug(DBG_WARN, "verifyconfcert: No subjectaltname matching %s %s", type ? "address" : "host", conf->host);
- return 0;
- }
- debug(DBG_DBG, "verifyconfcert: Found subjectaltname matching %s %s", type ? "address" : "host", conf->host);
- } else {
- if (!cnregexp(cert, conf->host, NULL)) {
- debug(DBG_WARN, "verifyconfcert: cn not matching host %s", conf->host);
- return 0;
- }
- debug(DBG_DBG, "verifyconfcert: Found cn matching host %s", conf->host);
- }
- }
- if (conf->certcnregex) {
- if (cnregexp(cert, NULL, conf->certcnregex) < 1) {
- debug(DBG_WARN, "verifyconfcert: CN not matching regex");
- return 0;
- }
- debug(DBG_DBG, "verifyconfcert: CN matching regex");
- }
- if (conf->certuriregex) {
- if (subjectaltnameregexp(cert, GEN_URI, NULL, conf->certuriregex) < 1) {
- debug(DBG_WARN, "verifyconfcert: subjectaltname URI not matching regex");
- return 0;
- }
- debug(DBG_DBG, "verifyconfcert: subjectaltname URI matching regex");
- }
- return 1;
-}
-
-void tlsconnect(struct server *server, struct timeval *when, char *text) {
- struct timeval now;
- time_t elapsed;
- X509 *cert;
-
- debug(DBG_DBG, "tlsconnect called from %s", text);
- pthread_mutex_lock(&server->lock);
- if (when && memcmp(&server->lastconnecttry, when, sizeof(struct timeval))) {
- /* already reconnected, nothing to do */
- debug(DBG_DBG, "tlsconnect(%s): seems already reconnected", text);
- pthread_mutex_unlock(&server->lock);
- return;
- }
-
- debug(DBG_DBG, "tlsconnect %s", text);
-
- for (;;) {
- gettimeofday(&now, NULL);
- elapsed = now.tv_sec - server->lastconnecttry.tv_sec;
- if (server->connectionok) {
- server->connectionok = 0;
- sleep(2);
- } else if (elapsed < 1)
- sleep(2);
- else if (elapsed < 60) {
- debug(DBG_INFO, "tlsconnect: sleeping %lds", elapsed);
- sleep(elapsed);
- } else if (elapsed < 100000) {
- debug(DBG_INFO, "tlsconnect: sleeping %ds", 60);
- sleep(60);
- } else
- server->lastconnecttry.tv_sec = now.tv_sec; /* no sleep at startup */
- debug(DBG_WARN, "tlsconnect: trying to open TLS connection to %s port %s", server->conf->host, server->conf->port);
- if (server->sock >= 0)
- close(server->sock);
- if ((server->sock = connecttcp(server->conf->addrinfo)) < 0) {
- debug(DBG_ERR, "tlsconnect: connecttcp failed");
- continue;
- }
-
- SSL_free(server->ssl);
- server->ssl = SSL_new(server->conf->ssl_ctx);
- SSL_set_fd(server->ssl, server->sock);
- if (SSL_connect(server->ssl) <= 0)
- continue;
- cert = verifytlscert(server->ssl);
- if (!cert)
- continue;
- if (verifyconfcert(cert, server->conf)) {
- X509_free(cert);
- break;
- }
- X509_free(cert);
- }
- debug(DBG_WARN, "tlsconnect: TLS connection to %s port %s up", server->conf->host, server->conf->port);
- gettimeofday(&server->lastconnecttry, NULL);
- pthread_mutex_unlock(&server->lock);
-}
-
-unsigned char *radtlsget(SSL *ssl) {
- int cnt, total, len;
- unsigned char buf[4], *rad;
-
- for (;;) {
- for (total = 0; total < 4; total += cnt) {
- cnt = SSL_read(ssl, buf + total, 4 - total);
- if (cnt <= 0) {
- debug(DBG_ERR, "radtlsget: connection lost");
- if (SSL_get_error(ssl, cnt) == SSL_ERROR_ZERO_RETURN) {
- /* remote end sent close_notify, send one back */
- SSL_shutdown(ssl);
- }
- return NULL;
- }
- }
-
- len = RADLEN(buf);
- rad = malloc(len);
- if (!rad) {
- debug(DBG_ERR, "radtlsget: malloc failed");
- continue;
- }
- memcpy(rad, buf, 4);
-
- for (; total < len; total += cnt) {
- cnt = SSL_read(ssl, rad + total, len - total);
- if (cnt <= 0) {
- debug(DBG_ERR, "radtlsget: connection lost");
- if (SSL_get_error(ssl, cnt) == SSL_ERROR_ZERO_RETURN) {
- /* remote end sent close_notify, send one back */
- SSL_shutdown(ssl);
- }
- free(rad);
- return NULL;
- }
- }
-
- if (total >= 20)
- break;
-
- free(rad);
- debug(DBG_WARN, "radtlsget: packet smaller than minimum radius size");
- }
-
- debug(DBG_DBG, "radtlsget: got %d bytes", total);
- return rad;
-}
-
-int clientradputudp(struct server *server, unsigned char *rad) {
- size_t len;
- struct sockaddr_storage sa;
- struct sockaddr *sap;
- struct clsrvconf *conf = server->conf;
- in_port_t *port = NULL;
-
- len = RADLEN(rad);
-
- if (*rad == RAD_Accounting_Request) {
- sap = (struct sockaddr *)&sa;
- memcpy(sap, conf->addrinfo->ai_addr, conf->addrinfo->ai_addrlen);
- } else
- sap = conf->addrinfo->ai_addr;
-
- switch (sap->sa_family) {
- case AF_INET:
- port = &((struct sockaddr_in *)sap)->sin_port;
- break;
- case AF_INET6:
- port = &((struct sockaddr_in6 *)sap)->sin6_port;
- break;
- default:
- return 0;
- }
-
- if (*rad == RAD_Accounting_Request)
- *port = htons(ntohs(*port) + 1);
-
- if (sendto(server->sock, rad, len, 0, sap, conf->addrinfo->ai_addrlen) >= 0) {
- debug(DBG_DBG, "clienradputudp: sent UDP of length %d to %s port %d", len, conf->host, ntohs(*port));
- return 1;
- }
-
- debug(DBG_WARN, "clientradputudp: send failed");
- return 0;
-}
-
-int clientradputtls(struct server *server, unsigned char *rad) {
- int cnt;
- size_t len;
- unsigned long error;
- struct timeval lastconnecttry;
- struct clsrvconf *conf = server->conf;
-
- len = RADLEN(rad);
- lastconnecttry = server->lastconnecttry;
- while ((cnt = SSL_write(server->ssl, rad, len)) <= 0) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "clientradputtls: TLS: %s", ERR_error_string(error, NULL));
- tlsconnect(server, &lastconnecttry, "clientradputtls");
- lastconnecttry = server->lastconnecttry;
- }
-
- server->connectionok = 1;
- debug(DBG_DBG, "clientradputtls: Sent %d bytes, Radius packet of length %d to TLS peer %s", cnt, len, conf->host);
- return 1;
-}
-
-int clientradput(struct server *server, unsigned char *rad) {
- switch (server->conf->type) {
- case 'U':
- return clientradputudp(server, rad);
- case 'T':
- return clientradputtls(server, rad);
- }
- return 0;
-}
-
-int radsign(unsigned char *rad, unsigned char *sec) {
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- static unsigned char first = 1;
- static EVP_MD_CTX mdctx;
- unsigned int md_len;
- int result;
-
- pthread_mutex_lock(&lock);
- if (first) {
- EVP_MD_CTX_init(&mdctx);
- first = 0;
- }
-
- result = (EVP_DigestInit_ex(&mdctx, EVP_md5(), NULL) &&
- EVP_DigestUpdate(&mdctx, rad, RADLEN(rad)) &&
- EVP_DigestUpdate(&mdctx, sec, strlen((char *)sec)) &&
- EVP_DigestFinal_ex(&mdctx, rad + 4, &md_len) &&
- md_len == 16);
- pthread_mutex_unlock(&lock);
- return result;
-}
-
-int validauth(unsigned char *rad, unsigned char *reqauth, unsigned char *sec) {
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- static unsigned char first = 1;
- static EVP_MD_CTX mdctx;
- unsigned char hash[EVP_MAX_MD_SIZE];
- unsigned int len;
- int result;
-
- pthread_mutex_lock(&lock);
- if (first) {
- EVP_MD_CTX_init(&mdctx);
- first = 0;
- }
-
- len = RADLEN(rad);
-
- result = (EVP_DigestInit_ex(&mdctx, EVP_md5(), NULL) &&
- EVP_DigestUpdate(&mdctx, rad, 4) &&
- EVP_DigestUpdate(&mdctx, reqauth, 16) &&
- (len <= 20 || EVP_DigestUpdate(&mdctx, rad + 20, len - 20)) &&
- EVP_DigestUpdate(&mdctx, sec, strlen((char *)sec)) &&
- EVP_DigestFinal_ex(&mdctx, hash, &len) &&
- len == 16 &&
- !memcmp(hash, rad + 4, 16));
- pthread_mutex_unlock(&lock);
- return result;
-}
-
-int checkmessageauth(unsigned char *rad, uint8_t *authattr, char *secret) {
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- static unsigned char first = 1;
- static HMAC_CTX hmacctx;
- unsigned int md_len;
- uint8_t auth[16], hash[EVP_MAX_MD_SIZE];
-
- pthread_mutex_lock(&lock);
- if (first) {
- HMAC_CTX_init(&hmacctx);
- first = 0;
- }
-
- memcpy(auth, authattr, 16);
- memset(authattr, 0, 16);
- md_len = 0;
- HMAC_Init_ex(&hmacctx, secret, strlen(secret), EVP_md5(), NULL);
- HMAC_Update(&hmacctx, rad, RADLEN(rad));
- HMAC_Final(&hmacctx, hash, &md_len);
- memcpy(authattr, auth, 16);
- if (md_len != 16) {
- debug(DBG_WARN, "message auth computation failed");
- pthread_mutex_unlock(&lock);
- return 0;
- }
-
- if (memcmp(auth, hash, 16)) {
- debug(DBG_WARN, "message authenticator, wrong value");
- pthread_mutex_unlock(&lock);
- return 0;
- }
-
- pthread_mutex_unlock(&lock);
- return 1;
-}
-
-int createmessageauth(unsigned char *rad, unsigned char *authattrval, char *secret) {
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- static unsigned char first = 1;
- static HMAC_CTX hmacctx;
- unsigned int md_len;
-
- if (!authattrval)
- return 1;
-
- pthread_mutex_lock(&lock);
- if (first) {
- HMAC_CTX_init(&hmacctx);
- first = 0;
- }
-
- memset(authattrval, 0, 16);
- md_len = 0;
- HMAC_Init_ex(&hmacctx, secret, strlen(secret), EVP_md5(), NULL);
- HMAC_Update(&hmacctx, rad, RADLEN(rad));
- HMAC_Final(&hmacctx, authattrval, &md_len);
- if (md_len != 16) {
- debug(DBG_WARN, "message auth computation failed");
- pthread_mutex_unlock(&lock);
- return 0;
- }
-
- pthread_mutex_unlock(&lock);
- return 1;
-}
-
unsigned char *attrget(unsigned char *attrs, int length, uint8_t type) {
while (length > 1) {
if (ATTRTYPE(attrs) == type)
return NULL;
}
-void freerqdata(struct request *rq) {
+struct request *newrqref(struct request *rq) {
+ if (rq)
+ rq->refcount++;
+ return rq;
+}
+
+void freerq(struct request *rq) {
+ if (!rq)
+ return;
+ debug(DBG_DBG, "freerq: called with refcount %d", rq->refcount);
+ if (--rq->refcount)
+ return;
if (rq->origusername)
free(rq->origusername);
if (rq->buf)
free(rq->buf);
+ if (rq->replybuf)
+ free(rq->replybuf);
+ if (rq->msg)
+ radmsg_free(rq->msg);
+ free(rq);
}
-void sendrq(struct server *to, struct request *rq) {
- int i;
- uint8_t *attr;
+void freerqoutdata(struct rqout *rqout) {
+ if (!rqout)
+ return;
+ if (rqout->rq) {
+ if (rqout->rq->buf) {
+ free(rqout->rq->buf);
+ rqout->rq->buf = NULL;
+ }
+ freerq(rqout->rq);
+ rqout->rq = NULL;
+ }
+ rqout->tries = 0;
+ memset(&rqout->expiry, 0, sizeof(struct timeval));
+}
+
+void sendrq(struct request *rq) {
+ int i, start;
+ struct server *to;
+ removeclientrqs_sendrq_freeserver_lock(1);
+ to = rq->to;
+ if (!to)
+ goto errexit;
+
+ start = to->conf->statusserver ? 1 : 0;
pthread_mutex_lock(&to->newrq_mutex);
- /* might simplify if only try nextid, might be ok */
- for (i = to->nextid; i < MAX_REQUESTS; i++)
- if (!to->requests[i].buf)
- break;
- if (i == MAX_REQUESTS) {
- for (i = 0; i < to->nextid; i++)
- if (!to->requests[i].buf)
- break;
- if (i == to->nextid) {
- debug(DBG_WARN, "No room in queue, dropping request");
- freerqdata(rq);
- pthread_mutex_unlock(&to->newrq_mutex);
- return;
+ if (start && rq->msg->code == RAD_Status_Server) {
+ pthread_mutex_lock(to->requests[0].lock);
+ if (to->requests[0].rq) {
+ pthread_mutex_unlock(to->requests[0].lock);
+ debug(DBG_INFO, "sendrq: status server already in queue, dropping request");
+ goto errexit;
+ }
+ i = 0;
+ } else {
+ if (!to->nextid)
+ to->nextid = start;
+ /* might simplify if only try nextid, might be ok */
+ for (i = to->nextid; i < MAX_REQUESTS; i++) {
+ if (!to->requests[i].rq) {
+ pthread_mutex_lock(to->requests[i].lock);
+ if (!to->requests[i].rq)
+ break;
+ pthread_mutex_unlock(to->requests[i].lock);
+ }
+ }
+ if (i == MAX_REQUESTS) {
+ for (i = start; i < to->nextid; i++) {
+ if (!to->requests[i].rq) {
+ pthread_mutex_lock(to->requests[i].lock);
+ if (!to->requests[i].rq)
+ break;
+ pthread_mutex_unlock(to->requests[i].lock);
+ }
+ }
+ if (i == to->nextid) {
+ debug(DBG_INFO, "sendrq: no room in queue, dropping request");
+ goto errexit;
+ }
}
}
-
- rq->buf[1] = (char)i;
-
- attr = attrget(rq->buf + 20, RADLEN(rq->buf) - 20, RAD_Attr_Message_Authenticator);
- if (attr && !createmessageauth(rq->buf, ATTRVAL(attr), to->conf->secret)) {
- freerqdata(rq);
- pthread_mutex_unlock(&to->newrq_mutex);
- return;
+ rq->newid = (uint8_t)i;
+ rq->msg->id = (uint8_t)i;
+ rq->buf = radmsg2buf(rq->msg, (uint8_t *)to->conf->secret);
+ if (!rq->buf) {
+ pthread_mutex_unlock(to->requests[i].lock);
+ debug(DBG_ERR, "sendrq: radmsg2buf failed");
+ goto errexit;
}
- debug(DBG_DBG, "sendrq: inserting packet with id %d in queue for %s", i, to->conf->host);
- to->requests[i] = *rq;
- to->nextid = i + 1;
+ debug(DBG_DBG, "sendrq: inserting packet with id %d in queue for %s", i, to->conf->name);
+ to->requests[i].rq = rq;
+ pthread_mutex_unlock(to->requests[i].lock);
+ if (i >= start) /* i is not reserved for statusserver */
+ to->nextid = i + 1;
if (!to->newrq) {
to->newrq = 1;
- debug(DBG_DBG, "signalling client writer");
+ debug(DBG_DBG, "sendrq: signalling client writer");
pthread_cond_signal(&to->newrq_cond);
}
+
+ pthread_mutex_unlock(&to->newrq_mutex);
+ removeclientrqs_sendrq_freeserver_lock(0);
+ return;
+
+errexit:
+ if (rq->from)
+ rmclientrq(rq, rq->msg->id);
+ freerq(rq);
pthread_mutex_unlock(&to->newrq_mutex);
+ removeclientrqs_sendrq_freeserver_lock(0);
}
-void sendreply(struct client *to, unsigned char *buf, struct sockaddr_storage *tosa) {
- struct reply *reply;
+void sendreply(struct request *rq) {
uint8_t first;
-
- if (!radsign(buf, (unsigned char *)to->conf->secret)) {
- free(buf);
- debug(DBG_WARN, "sendreply: failed to sign message");
+ struct client *to = rq->from;
+
+ if (!rq->replybuf)
+ rq->replybuf = radmsg2buf(rq->msg, (uint8_t *)to->conf->secret);
+ radmsg_free(rq->msg);
+ rq->msg = NULL;
+ if (!rq->replybuf) {
+ freerq(rq);
+ debug(DBG_ERR, "sendreply: radmsg2buf failed");
return;
}
- reply = malloc(sizeof(struct reply));
- if (!reply) {
- free(buf);
- debug(DBG_ERR, "sendreply: malloc failed");
- return;
- }
- memset(reply, 0, sizeof(struct reply));
- reply->buf = buf;
- if (tosa)
- reply->tosa = *tosa;
-
pthread_mutex_lock(&to->replyq->mutex);
+ first = list_first(to->replyq->entries) == NULL;
- first = list_first(to->replyq->replies) == NULL;
-
- if (!list_push(to->replyq->replies, reply)) {
+ if (!list_push(to->replyq->entries, rq)) {
pthread_mutex_unlock(&to->replyq->mutex);
- free(reply);
- free(buf);
+ freerq(rq);
debug(DBG_ERR, "sendreply: malloc failed");
return;
}
-
+
if (first) {
debug(DBG_DBG, "signalling server writer");
pthread_cond_signal(&to->replyq->cond);
pthread_mutex_unlock(&to->replyq->mutex);
}
-int pwdencrypt(uint8_t *in, uint8_t len, char *shared, uint8_t sharedlen, uint8_t *auth) {
+int pwdcrypt(char encrypt_flag, uint8_t *in, uint8_t len, char *shared, uint8_t sharedlen, uint8_t *auth) {
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static unsigned char first = 1;
static EVP_MD_CTX mdctx;
unsigned char hash[EVP_MAX_MD_SIZE], *input;
unsigned int md_len;
uint8_t i, offset = 0, out[128];
-
- pthread_mutex_lock(&lock);
- if (first) {
- EVP_MD_CTX_init(&mdctx);
- first = 0;
- }
- input = auth;
- for (;;) {
- if (!EVP_DigestInit_ex(&mdctx, EVP_md5(), NULL) ||
- !EVP_DigestUpdate(&mdctx, (uint8_t *)shared, sharedlen) ||
- !EVP_DigestUpdate(&mdctx, input, 16) ||
- !EVP_DigestFinal_ex(&mdctx, hash, &md_len) ||
- md_len != 16) {
- pthread_mutex_unlock(&lock);
- return 0;
- }
- for (i = 0; i < 16; i++)
- out[offset + i] = hash[i] ^ in[offset + i];
- input = out + offset - 16;
- offset += 16;
- if (offset == len)
- break;
- }
- memcpy(in, out, len);
- pthread_mutex_unlock(&lock);
- return 1;
-}
-
-int pwddecrypt(uint8_t *in, uint8_t len, char *shared, uint8_t sharedlen, uint8_t *auth) {
- static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
- static unsigned char first = 1;
- static EVP_MD_CTX mdctx;
- unsigned char hash[EVP_MAX_MD_SIZE], *input;
- unsigned int md_len;
- uint8_t i, offset = 0, out[128];
-
pthread_mutex_lock(&lock);
if (first) {
EVP_MD_CTX_init(&mdctx);
}
for (i = 0; i < 16; i++)
out[offset + i] = hash[i] ^ in[offset + i];
- input = in + offset;
+ if (encrypt_flag)
+ input = out + offset;
+ else
+ input = in + offset;
offset += 16;
if (offset == len)
break;
unsigned char hash[EVP_MAX_MD_SIZE];
unsigned int md_len;
uint8_t i, offset;
-
+
pthread_mutex_lock(&lock);
if (first) {
EVP_MD_CTX_init(&mdctx);
printfchars(NULL, "msppencrypt salt in", "%02x ", salt, 2);
printfchars(NULL, "msppencrypt in", "%02x ", text, len);
#endif
-
+
if (!EVP_DigestInit_ex(&mdctx, EVP_md5(), NULL) ||
!EVP_DigestUpdate(&mdctx, shared, sharedlen) ||
!EVP_DigestUpdate(&mdctx, auth, 16) ||
return 0;
}
-#if 0
+#if 0
printfchars(NULL, "msppencrypt hash", "%02x ", hash, 16);
#endif
-
+
for (i = 0; i < 16; i++)
text[i] ^= hash[i];
-
+
for (offset = 16; offset < len; offset += 16) {
-#if 0
+#if 0
printf("text + offset - 16 c(%d): ", offset / 16);
printfchars(NULL, NULL, "%02x ", text + offset - 16, 16);
#endif
}
#if 0
printfchars(NULL, "msppencrypt hash", "%02x ", hash, 16);
-#endif
-
+#endif
+
for (i = 0; i < 16; i++)
text[offset + i] ^= hash[i];
}
-
+
#if 0
printfchars(NULL, "msppencrypt out", "%02x ", text, len);
#endif
unsigned int md_len;
uint8_t i, offset;
char plain[255];
-
+
pthread_mutex_lock(&lock);
if (first) {
EVP_MD_CTX_init(&mdctx);
printfchars(NULL, "msppdecrypt salt in", "%02x ", salt, 2);
printfchars(NULL, "msppdecrypt in", "%02x ", text, len);
#endif
-
+
if (!EVP_DigestInit_ex(&mdctx, EVP_md5(), NULL) ||
!EVP_DigestUpdate(&mdctx, shared, sharedlen) ||
!EVP_DigestUpdate(&mdctx, auth, 16) ||
return 0;
}
-#if 0
+#if 0
printfchars(NULL, "msppdecrypt hash", "%02x ", hash, 16);
#endif
-
+
for (i = 0; i < 16; i++)
plain[i] = text[i] ^ hash[i];
-
+
for (offset = 16; offset < len; offset += 16) {
-#if 0
+#if 0
printf("text + offset - 16 c(%d): ", offset / 16);
printfchars(NULL, NULL, "%02x ", text + offset - 16, 16);
#endif
}
#if 0
printfchars(NULL, "msppdecrypt hash", "%02x ", hash, 16);
-#endif
+#endif
for (i = 0; i < 16; i++)
plain[offset + i] = text[offset + i] ^ hash[i];
return 1;
}
+struct realm *newrealmref(struct realm *r) {
+ if (r)
+ r->refcount++;
+ return r;
+}
+
+/* returns with lock on realm */
struct realm *id2realm(struct list *realmlist, char *id) {
struct list_node *entry;
- struct realm *realm, *subrealm = NULL;
+ struct realm *realm, *subrealm;
/* need to do locking for subrealms and check subrealm timers */
for (entry = list_first(realmlist); entry; entry = list_next(entry)) {
realm = (struct realm *)entry->data;
if (!regexec(&realm->regex, id, 0, NULL, 0)) {
- pthread_mutex_lock(&realm->subrealms_mutex);
- if (realm->subrealms)
+ pthread_mutex_lock(&realm->mutex);
+ if (realm->subrealms) {
subrealm = id2realm(realm->subrealms, id);
- pthread_mutex_unlock(&realm->subrealms_mutex);
- return subrealm ? subrealm : realm;
+ if (subrealm) {
+ pthread_mutex_unlock(&realm->mutex);
+ return subrealm;
+ }
+ }
+ return newrealmref(realm);
}
}
return NULL;
}
-int rqinqueue(struct server *to, struct client *from, uint8_t id, uint8_t code) {
- struct request *rq = to->requests, *end;
-
- pthread_mutex_lock(&to->newrq_mutex);
- for (end = rq + MAX_REQUESTS; rq < end; rq++)
- if (rq->buf && !rq->received && rq->origid == id && rq->from == from && *rq->buf == code)
- break;
- pthread_mutex_unlock(&to->newrq_mutex);
-
- return rq < end;
+int hasdynamicserver(struct list *srvconfs) {
+ struct list_node *entry;
+
+ for (entry = list_first(srvconfs); entry; entry = list_next(entry))
+ if (((struct clsrvconf *)entry->data)->dynamiclookupcommand)
+ return 1;
+ return 0;
+}
+
+/* helper function, only used by removeserversubrealms() */
+void _internal_removeserversubrealms(struct list *realmlist, struct clsrvconf *srv) {
+ struct list_node *entry, *entry2;
+ struct realm *realm;
+
+ for (entry = list_first(realmlist); entry;) {
+ realm = newrealmref((struct realm *)entry->data);
+ pthread_mutex_lock(&realm->mutex);
+ entry = list_next(entry);
+
+ if (realm->srvconfs) {
+ for (entry2 = list_first(realm->srvconfs); entry2; entry2 = list_next(entry2))
+ if (entry2->data == srv)
+ freerealm(realm);
+ list_removedata(realm->srvconfs, srv);
+ }
+ if (realm->accsrvconfs) {
+ for (entry2 = list_first(realm->accsrvconfs); entry2; entry2 = list_next(entry2))
+ if (entry2->data == srv)
+ freerealm(realm);
+ list_removedata(realm->accsrvconfs, srv);
+ }
+
+ /* remove subrealm if no dynamic servers left */
+ if (!hasdynamicserver(realm->srvconfs) && !hasdynamicserver(realm->accsrvconfs)) {
+ while (list_shift(realm->srvconfs))
+ freerealm(realm);
+ list_destroy(realm->srvconfs);
+ realm->srvconfs = NULL;
+ while (list_shift(realm->accsrvconfs))
+ freerealm(realm);
+ list_destroy(realm->accsrvconfs);
+ realm->accsrvconfs = NULL;
+ list_removedata(realmlist, realm);
+ }
+ pthread_mutex_unlock(&realm->mutex);
+ freerealm(realm);
+ }
+}
+
+void removeserversubrealms(struct list *realmlist, struct clsrvconf *srv) {
+ struct list_node *entry;
+ struct realm *realm;
+
+ for (entry = list_first(realmlist); entry; entry = list_next(entry)) {
+ realm = (struct realm *)entry->data;
+ pthread_mutex_lock(&realm->mutex);
+ if (realm->subrealms) {
+ _internal_removeserversubrealms(realm->subrealms, srv);
+ if (!list_first(realm->subrealms)) {
+ list_destroy(realm->subrealms);
+ realm->subrealms = NULL;
+ }
+ }
+ pthread_mutex_unlock(&realm->mutex);
+ }
}
int attrvalidate(unsigned char *attrs, int length) {
while (length > 1) {
if (ATTRLEN(attrs) < 2) {
- debug(DBG_WARN, "attrvalidate: invalid attribute length %d", ATTRLEN(attrs));
+ debug(DBG_INFO, "attrvalidate: invalid attribute length %d", ATTRLEN(attrs));
return 0;
}
length -= ATTRLEN(attrs);
if (length < 0) {
- debug(DBG_WARN, "attrvalidate: attribute length %d exceeds packet length", ATTRLEN(attrs));
+ debug(DBG_INFO, "attrvalidate: attribute length %d exceeds packet length", ATTRLEN(attrs));
return 0;
}
attrs += ATTRLEN(attrs);
}
if (length)
- debug(DBG_WARN, "attrvalidate: malformed packet? remaining byte after last attribute");
+ debug(DBG_INFO, "attrvalidate: malformed packet? remaining byte after last attribute");
return 1;
}
debug(DBG_WARN, "pwdrecrypt: invalid password length");
return 0;
}
-
- if (!pwddecrypt(pwd, len, oldsecret, strlen(oldsecret), oldauth)) {
+
+ if (!pwdcrypt(0, pwd, len, oldsecret, strlen(oldsecret), oldauth)) {
debug(DBG_WARN, "pwdrecrypt: cannot decrypt password");
return 0;
}
#ifdef DEBUG
printfchars(NULL, "pwdrecrypt: password", "%02x ", pwd, len);
-#endif
- if (!pwdencrypt(pwd, len, newsecret, strlen(newsecret), newauth)) {
+#endif
+ if (!pwdcrypt(1, pwd, len, newsecret, strlen(newsecret), newauth)) {
debug(DBG_WARN, "pwdrecrypt: cannot encrypt password");
return 0;
}
return 1;
}
-int msmpprecrypt(uint8_t *msmpp, uint8_t len, char *oldsecret, char *newsecret, unsigned char *oldauth, char *newauth) {
+int msmpprecrypt(uint8_t *msmpp, uint8_t len, char *oldsecret, char *newsecret, uint8_t *oldauth, uint8_t *newauth) {
if (len < 18)
return 0;
- if (!msmppdecrypt(msmpp + 2, len - 2, (unsigned char *)oldsecret, strlen(oldsecret), oldauth, msmpp)) {
+ if (!msmppdecrypt(msmpp + 2, len - 2, (uint8_t *)oldsecret, strlen(oldsecret), oldauth, msmpp)) {
debug(DBG_WARN, "msmpprecrypt: failed to decrypt msppe key");
return 0;
}
- if (!msmppencrypt(msmpp + 2, len - 2, (unsigned char *)newsecret, strlen(newsecret), (unsigned char *)newauth, msmpp)) {
+ if (!msmppencrypt(msmpp + 2, len - 2, (uint8_t *)newsecret, strlen(newsecret), newauth, msmpp)) {
debug(DBG_WARN, "msmpprecrypt: failed to encrypt msppe key");
return 0;
}
int msmppe(unsigned char *attrs, int length, uint8_t type, char *attrtxt, struct request *rq,
char *oldsecret, char *newsecret) {
unsigned char *attr;
-
+
for (attr = attrs; (attr = attrget(attr, length - (attr - attrs), type)); attr += ATTRLEN(attr)) {
debug(DBG_DBG, "msmppe: Got %s", attrtxt);
- if (!msmpprecrypt(ATTRVAL(attr), ATTRVALLEN(attr), oldsecret, newsecret, rq->buf + 4, rq->origauth))
+ if (!msmpprecrypt(ATTRVAL(attr), ATTRVALLEN(attr), oldsecret, newsecret, rq->buf + 4, rq->rqauth))
return 0;
}
return 1;
}
-int findvendorsubattr(uint32_t *attrs, uint32_t vendor, uint8_t subattr) {
+int findvendorsubattr(uint32_t *attrs, uint32_t vendor, uint32_t subattr) {
if (!attrs)
return 0;
-
+
for (; attrs[0]; attrs += 2)
if (attrs[0] == vendor && attrs[1] == subattr)
return 1;
return 0;
}
-int dovendorrewrite(uint8_t *attrs, uint16_t length, uint32_t *removevendorattrs) {
- uint8_t alen, sublen, rmlen = 0;
- uint32_t vendor = *(uint32_t *)ATTRVAL(attrs);
+/* returns 1 if entire element is to be removed, else 0 */
+int dovendorrewriterm(struct tlv *attr, uint32_t *removevendorattrs) {
+ uint8_t alen, sublen;
+ uint32_t vendor;
uint8_t *subattrs;
-
+
if (!removevendorattrs)
return 0;
+ memcpy(&vendor, attr->v, 4);
+ vendor = ntohl(vendor);
while (*removevendorattrs && *removevendorattrs != vendor)
removevendorattrs += 2;
if (!*removevendorattrs)
return 0;
-
- alen = ATTRLEN(attrs);
- if (findvendorsubattr(removevendorattrs, vendor, -1)) {
- /* remove entire vendor attribute */
- memmove(attrs, attrs + alen, length - alen);
- return alen;
- }
+ if (findvendorsubattr(removevendorattrs, vendor, 256))
+ return 1; /* remove entire vendor attribute */
+
+ sublen = attr->l - 4;
+ subattrs = attr->v + 4;
- sublen = alen - 4;
- subattrs = ATTRVAL(attrs) + 4;
-
if (!attrvalidate(subattrs, sublen)) {
- debug(DBG_WARN, "dovendorrewrite: vendor attribute validation failed, no rewrite");
+ debug(DBG_INFO, "dovendorrewrite: vendor attribute validation failed, no rewrite");
return 0;
}
- length -= 6;
while (sublen > 1) {
alen = ATTRLEN(subattrs);
sublen -= alen;
- length -= alen;
if (findvendorsubattr(removevendorattrs, vendor, ATTRTYPE(subattrs))) {
- memmove(subattrs, subattrs + alen, length);
- rmlen += alen;
+ memmove(subattrs, subattrs + alen, sublen);
+ attr->l -= alen;
} else
subattrs += alen;
}
-
- ATTRLEN(attrs) -= rmlen;
- return rmlen;
+ return 0;
}
-void dorewrite(uint8_t *buf, struct rewrite *rewrite) {
- uint8_t *attrs, alen;
- uint16_t len, rmlen = 0;
-
- if (!rewrite || (!rewrite->removeattrs && !rewrite->removevendorattrs))
- return;
+void dorewriterm(struct radmsg *msg, uint8_t *rmattrs, uint32_t *rmvattrs) {
+ struct list_node *n, *p;
+ struct tlv *attr;
- len = RADLEN(buf) - 20;
- attrs = buf + 20;
- while (len > 1) {
- alen = ATTRLEN(attrs);
- len -= alen;
- if (rewrite->removeattrs && strchr((char *)rewrite->removeattrs, ATTRTYPE(attrs))) {
- memmove(attrs, attrs + alen, len);
- rmlen += alen;
- } else if (ATTRTYPE(attrs) == RAD_Attr_Vendor_Specific && rewrite->removevendorattrs)
- rmlen += dovendorrewrite(attrs, len, rewrite->removevendorattrs);
- else
- attrs += alen;
+ p = NULL;
+ n = list_first(msg->attrs);
+ while (n) {
+ attr = (struct tlv *)n->data;
+ if ((rmattrs && strchr((char *)rmattrs, attr->t)) ||
+ (rmvattrs && attr->t == RAD_Attr_Vendor_Specific && dovendorrewriterm(attr, rmvattrs))) {
+ list_removedata(msg->attrs, attr);
+ freetlv(attr);
+ n = p ? list_next(p) : list_first(msg->attrs);
+ } else {
+ p = n;
+ n = list_next(n);
+ }
}
- if (rmlen)
- ((uint16_t *)buf)[1] = htons(RADLEN(buf) - rmlen);
}
-/* returns a pointer to the resized attribute value */
-uint8_t *resizeattr(uint8_t **buf, uint8_t newvallen, uint8_t type) {
- uint8_t *attrs, *attr, vallen;
- uint16_t len;
- unsigned char *new;
-
- len = RADLEN(*buf) - 20;
- attrs = *buf + 20;
+int dorewriteadd(struct radmsg *msg, struct list *addattrs) {
+ struct list_node *n;
+ struct tlv *a;
- attr = attrget(attrs, len, type);
- if (!attr)
- return NULL;
-
- vallen = ATTRVALLEN(attr);
- if (vallen == newvallen)
- return attr + 2;
-
- len += newvallen - vallen;
- if (newvallen > vallen) {
- new = realloc(*buf, len + 20);
- if (!new) {
- debug(DBG_ERR, "resizeattr: malloc failed");
- return NULL;
- }
- if (new != *buf) {
- attr += new - *buf;
- attrs = new + 20;
- *buf = new;
+ for (n = list_first(addattrs); n; n = list_next(n)) {
+ a = copytlv((struct tlv *)n->data);
+ if (!a)
+ return 0;
+ if (!radmsg_add(msg, a)) {
+ freetlv(a);
+ return 0;
}
}
- memmove(attr + 2 + newvallen, attr + 2 + vallen, len - (attr - attrs + newvallen));
- attr[1] = newvallen + 2;
- ((uint16_t *)*buf)[1] = htons(len + 20);
- return attr + 2;
+ return 1;
+}
+
+int resizeattr(struct tlv *attr, uint8_t newlen) {
+ uint8_t *newv;
+
+ if (newlen != attr->l) {
+ newv = realloc(attr->v, newlen);
+ if (!newv)
+ return 0;
+ attr->v = newv;
+ attr->l = newlen;
+ }
+ return 1;
}
-
-int rewriteusername(struct request *rq, char *in) {
+
+int dorewritemodattr(struct tlv *attr, struct modattr *modattr) {
size_t nmatch = 10, reslen = 0, start = 0;
regmatch_t pmatch[10], *pfield;
int i;
- unsigned char *result;
- char *out = rq->from->conf->rewriteattrreplacement;
-
- if (regexec(rq->from->conf->rewriteattrregex, in, nmatch, pmatch, 0)) {
- debug(DBG_DBG, "rewriteattr: username not matching, no rewrite");
+ char *in, *out;
+
+ in = stringcopy((char *)attr->v, attr->l);
+ if (!in)
+ return 0;
+
+ if (regexec(modattr->regex, in, nmatch, pmatch, 0)) {
+ free(in);
return 1;
}
-
- rq->origusername = stringcopy(in, 0);
- if (!rq->origusername)
- return 0;
-
+
+ out = modattr->replacement;
+
for (i = start; out[i]; i++) {
if (out[i] == '\\' && out[i + 1] >= '1' && out[i + 1] <= '9') {
pfield = &pmatch[out[i + 1] - '0'];
}
}
reslen += i - start;
+ if (reslen > 253) {
+ debug(DBG_INFO, "rewritten attribute length would be %d, max possible is 253, discarding message", reslen);
+ free(in);
+ return 0;
+ }
- result = resizeattr(&rq->buf, reslen, RAD_Attr_User_Name);
- if (!result)
+ if (!resizeattr(attr, reslen)) {
+ free(in);
return 0;
-
+ }
+
start = 0;
reslen = 0;
for (i = start; out[i]; i++) {
if (out[i] == '\\' && out[i + 1] >= '1' && out[i + 1] <= '9') {
pfield = &pmatch[out[i + 1] - '0'];
if (pfield->rm_so >= 0) {
- memcpy(result + reslen, out + start, i - start);
+ memcpy(attr->v + reslen, out + start, i - start);
reslen += i - start;
- memcpy(result + reslen, in + pfield->rm_so, pfield->rm_eo - pfield->rm_so);
+ memcpy(attr->v + reslen, in + pfield->rm_so, pfield->rm_eo - pfield->rm_so);
reslen += pfield->rm_eo - pfield->rm_so;
start = i + 2;
}
}
}
- memcpy(result + reslen, out + start, i - start);
- reslen += i - start;
- memcpy(in, result, reslen);
- in[reslen] = '\0';
+ memcpy(attr->v + reslen, out + start, i - start);
+ return 1;
+}
+
+int dorewritemod(struct radmsg *msg, struct list *modattrs) {
+ struct list_node *n, *m;
+
+ for (n = list_first(msg->attrs); n; n = list_next(n))
+ for (m = list_first(modattrs); m; m = list_next(m))
+ if (((struct tlv *)n->data)->t == ((struct modattr *)m->data)->t &&
+ !dorewritemodattr((struct tlv *)n->data, (struct modattr *)m->data))
+ return 0;
+ return 1;
+}
+
+int dorewrite(struct radmsg *msg, struct rewrite *rewrite) {
+ int rv = 1; /* Success. */
+
+ if (rewrite) {
+ if (rewrite->removeattrs || rewrite->removevendorattrs)
+ dorewriterm(msg, rewrite->removeattrs, rewrite->removevendorattrs);
+ if (rewrite->modattrs)
+ if (!dorewritemod(msg, rewrite->modattrs))
+ rv = 0;
+ if (rewrite->addattrs)
+ if (!dorewriteadd(msg, rewrite->addattrs))
+ rv = 0;
+ }
+ return rv;
+}
+
+int rewriteusername(struct request *rq, struct tlv *attr) {
+ char *orig = (char *)tlv2str(attr);
+ if (!dorewritemodattr(attr, rq->from->conf->rewriteusername)) {
+ free(orig);
+ return 0;
+ }
+ if (strlen(orig) != attr->l || memcmp(orig, attr->v, attr->l))
+ rq->origusername = (char *)orig;
+ else
+ free(orig);
+ return 1;
+}
+
+/** Create vendor specific tlv with ATTR. ATTR is consumed (freed) if
+ * all is well with the new tlv, i.e. if the function returns
+ * !NULL. */
+static struct tlv *
+makevendortlv(uint32_t vendor, struct tlv *attr)
+{
+ struct tlv *newtlv = NULL;
+ uint8_t l, *v;
+
+ if (!attr)
+ return NULL;
+ l = attr->l + 6;
+ v = malloc(l);
+ if (v) {
+ vendor = htonl(vendor & 0x00ffffff); /* MSB=0 according to RFC 2865. */
+ memcpy(v, &vendor, 4);
+ tlv2buf(v + 4, attr);
+ v[5] += 2; /* Vendor length increased for type and length fields. */
+ newtlv = maketlv(RAD_Attr_Vendor_Specific, l, v);
+ if (newtlv == NULL)
+ free(v);
+ else
+ freetlv(attr);
+ }
+ return newtlv;
+}
+
+/** Ad vendor attribute with VENDOR + ATTR and push it on MSG. ATTR
+ * is consumed. */
+int addvendorattr(struct radmsg *msg, uint32_t vendor, struct tlv *attr) {
+ struct tlv *vattr;
+
+ vattr = makevendortlv(vendor, attr);
+ if (!vattr) {
+ freetlv(attr);
+ return 0;
+ }
+ if (!radmsg_add(msg, vattr)) {
+ freetlv(vattr);
+ return 0;
+ }
+ return 1;
+}
+
+void addttlattr(struct radmsg *msg, uint32_t *attrtype, uint8_t addttl) {
+ uint8_t ttl[4];
+ struct tlv *attr;
+
+ memset(ttl, 0, 4);
+ ttl[3] = addttl;
+
+ if (attrtype[1] == 256) { /* not vendor */
+ attr = maketlv(attrtype[0], 4, ttl);
+ if (attr && !radmsg_add(msg, attr))
+ freetlv(attr);
+ } else {
+ attr = maketlv(attrtype[1], 4, ttl);
+ if (attr)
+ addvendorattr(msg, attrtype[0], attr);
+ }
+}
+
+int decttl(uint8_t l, uint8_t *v) {
+ int i;
+
+ i = l - 1;
+ if (v[i]) {
+ if (--v[i--])
+ return 1;
+ while (i >= 0 && !v[i])
+ i--;
+ return i >= 0;
+ }
+ for (i--; i >= 0 && !v[i]; i--);
+ if (i < 0)
+ return 0;
+ v[i]--;
+ while (++i < l)
+ v[i] = 255;
return 1;
}
+/* returns -1 if no ttl, 0 if exceeded, 1 if ok */
+int checkttl(struct radmsg *msg, uint32_t *attrtype) {
+ uint8_t alen, *subattrs;
+ struct tlv *attr;
+ struct list_node *node;
+ uint32_t vendor;
+ int sublen;
+
+ if (attrtype[1] == 256) { /* not vendor */
+ attr = radmsg_gettype(msg, attrtype[0]);
+ if (attr)
+ return decttl(attr->l, attr->v);
+ } else
+ for (node = list_first(msg->attrs); node; node = list_next(node)) {
+ attr = (struct tlv *)node->data;
+ if (attr->t != RAD_Attr_Vendor_Specific || attr->l <= 4)
+ continue;
+ memcpy(&vendor, attr->v, 4);
+ if (ntohl(vendor) != attrtype[0])
+ continue;
+ sublen = attr->l - 4;
+ subattrs = attr->v + 4;
+ if (!attrvalidate(subattrs, sublen))
+ continue;
+ while (sublen > 1) {
+ if (ATTRTYPE(subattrs) == attrtype[1])
+ return decttl(ATTRVALLEN(subattrs), ATTRVAL(subattrs));
+ alen = ATTRLEN(subattrs);
+ sublen -= alen;
+ subattrs += alen;
+ }
+ }
+ return -1;
+}
+
const char *radmsgtype2string(uint8_t code) {
static const char *rad_msg_names[] = {
"", "Access-Request", "Access-Accept", "Access-Reject",
return;
}
-char *radattr2ascii(char *ascii, size_t len, unsigned char *attr) {
+uint8_t *radattr2ascii(struct tlv *attr) {
int i, l;
- char *s, *d;
+ uint8_t *a, *d;
- if (!attr || len == 1) {
- *ascii = '\0';
- return ascii;
- }
+ if (!attr)
+ return NULL;
- l = ATTRVALLEN(attr);
- s = (char *)ATTRVAL(attr);
- d = ascii;
+ l = attr->l;
+ for (i = 0; i < attr->l; i++)
+ if (attr->v[i] < 32 || attr->v[i] > 126)
+ l += 2;
+ if (l == attr->l)
+ return (uint8_t *)stringcopy((char *)attr->v, attr->l);
- for (i = 0; i < l; i++) {
- if (s[i] > 31 && s[i] < 127) {
- *d++ = s[i];
- if (d - ascii == len - 1)
- break;
- } else {
- if (d - ascii > len - 4)
- break;
+ a = malloc(l + 1);
+ if (!a)
+ return NULL;
+
+ d = a;
+ for (i = 0; i < attr->l; i++)
+ if (attr->v[i] < 32 || attr->v[i] > 126) {
*d++ = '%';
- char2hex(d, s[i]);
+ char2hex((char *)d, attr->v[i]);
d += 2;
- if (d - ascii == len - 1)
- break;
- }
- }
+ } else
+ *d++ = attr->v[i];
*d = '\0';
- return ascii;
+ return a;
}
-void acclog(unsigned char *attrs, int length, char *host) {
- unsigned char *attr;
- char username[760];
-
- attr = attrget(attrs, length, RAD_Attr_User_Name);
- if (!attr) {
- debug(DBG_INFO, "acclog: accounting-request from %s without username attribute", host);
- return;
- }
- radattr2ascii(username, sizeof(username), attr);
- debug(DBG_INFO, "acclog: accounting-request from %s with username: %s", host, username);
-}
-
-void respondaccounting(struct request *rq) {
- unsigned char *resp;
+void acclog(struct radmsg *msg, struct client *from) {
+ struct tlv *attr;
+ uint8_t *username;
- resp = malloc(20);
- if (!resp) {
- debug(DBG_ERR, "respondstatusserver: malloc failed");
+ attr = radmsg_gettype(msg, RAD_Attr_User_Name);
+ if (!attr) {
+ debug(DBG_INFO, "acclog: accounting-request from client %s (%s) without username attribute", from->conf->name, addr2string(from->addr));
return;
}
- memcpy(resp, rq->buf, 20);
- resp[0] = RAD_Accounting_Response;
- resp[2] = 0;
- resp[3] = 20;
- debug(DBG_DBG, "respondaccounting: responding to %s", rq->from->conf->host);
- sendreply(rq->from, resp, rq->from->conf->type == 'U' ? &rq->fromsa : NULL);
-}
-
-void respondstatusserver(struct request *rq) {
- unsigned char *resp;
+ username = radattr2ascii(attr);
+ if (username) {
+ debug(DBG_INFO, "acclog: accounting-request from client %s (%s) with username: %s", from->conf->name, addr2string(from->addr), username);
- resp = malloc(20);
- if (!resp) {
- debug(DBG_ERR, "respondstatusserver: malloc failed");
- return;
+ free(username);
}
- memcpy(resp, rq->buf, 20);
- resp[0] = RAD_Access_Accept;
- resp[2] = 0;
- resp[3] = 20;
- debug(DBG_DBG, "respondstatusserver: responding to %s", rq->from->conf->host);
- sendreply(rq->from, resp, rq->from->conf->type == 'U' ? &rq->fromsa : NULL);
}
-void respondreject(struct request *rq, char *message) {
- unsigned char *resp;
- int len = 20;
+void respond(struct request *rq, uint8_t code, char *message) {
+ struct radmsg *msg;
+ struct tlv *attr;
- if (message && *message)
- len += 2 + strlen(message);
-
- resp = malloc(len);
- if (!resp) {
- debug(DBG_ERR, "respondreject: malloc failed");
+ msg = radmsg_init(code, rq->msg->id, rq->msg->auth);
+ if (!msg) {
+ debug(DBG_ERR, "respond: malloc failed");
return;
}
- memcpy(resp, rq->buf, 20);
- resp[0] = RAD_Access_Reject;
- *(uint16_t *)(resp + 2) = htons(len);
if (message && *message) {
- resp[20] = RAD_Attr_Reply_Message;
- resp[21] = len - 20;
- memcpy(resp + 22, message, len - 22);
+ attr = maketlv(RAD_Attr_Reply_Message, strlen(message), message);
+ if (!attr || !radmsg_add(msg, attr)) {
+ freetlv(attr);
+ radmsg_free(msg);
+ debug(DBG_ERR, "respond: malloc failed");
+ return;
+ }
}
- sendreply(rq->from, resp, rq->from->conf->type == 'U' ? &rq->fromsa : NULL);
+
+ radmsg_free(rq->msg);
+ rq->msg = msg;
+ debug(DBG_DBG, "respond: sending %s to %s (%s)", radmsgtype2string(msg->code), rq->from->conf->name, addr2string(rq->from->addr));
+ sendreply(newrqref(rq));
}
struct clsrvconf *choosesrvconf(struct list *srvconfs) {
return server;
if (!first)
first = server;
- if (!server->servers->connectionok)
+ if (!server->servers->connectionok && !server->servers->dynstartup)
continue;
- if (!server->servers->loststatsrv)
+ if (!server->servers->lostrqs)
return server;
if (!best) {
best = server;
continue;
}
- if (server->servers->loststatsrv < best->servers->loststatsrv)
+ if (server->servers->lostrqs < best->servers->lostrqs)
best = server;
}
return best ? best : first;
}
-struct server *findserver(struct realm **realm, char *id, uint8_t acc) {
+/* returns with lock on realm, protects from server changes while in use by radsrv/sendrq */
+struct server *findserver(struct realm **realm, struct tlv *username, uint8_t acc) {
struct clsrvconf *srvconf;
-
+ struct realm *subrealm;
+ struct server *server = NULL;
+ char *id = (char *)tlv2str(username);
+
+ if (!id)
+ return NULL;
+ /* returns with lock on realm */
*realm = id2realm(realms, id);
if (!*realm)
- return NULL;
+ goto exit;
debug(DBG_DBG, "found matching realm: %s", (*realm)->name);
srvconf = choosesrvconf(acc ? (*realm)->accsrvconfs : (*realm)->srvconfs);
- if (!srvconf)
+ if (srvconf && !(*realm)->parent && !srvconf->servers && srvconf->dynamiclookupcommand) {
+ subrealm = adddynamicrealmserver(*realm, id);
+ if (subrealm) {
+ pthread_mutex_lock(&subrealm->mutex);
+ pthread_mutex_unlock(&(*realm)->mutex);
+ freerealm(*realm);
+ *realm = subrealm;
+ srvconf = choosesrvconf(acc ? (*realm)->accsrvconfs : (*realm)->srvconfs);
+ }
+ }
+ if (srvconf)
+ server = srvconf->servers;
+
+exit:
+ free(id);
+ return server;
+}
+
+
+struct request *newrequest() {
+ struct request *rq;
+
+ rq = malloc(sizeof(struct request));
+ if (!rq) {
+ debug(DBG_ERR, "newrequest: malloc failed");
return NULL;
- if (!acc && !srvconf->servers)
- adddynamicrealmserver(*realm, srvconf, id);
- return srvconf->servers;
-}
-
-void radsrv(struct request *rq) {
- uint8_t code, id, *auth, *attrs, *attr;
- uint16_t len;
- struct server *to = NULL;
- char username[254], userascii[760];
- unsigned char newauth[16];
+ }
+ memset(rq, 0, sizeof(struct request));
+ rq->refcount = 1;
+ gettimeofday(&rq->created, NULL);
+ return rq;
+}
+
+int addclientrq(struct request *rq) {
+ struct request *r;
+ struct timeval now;
+
+ r = rq->from->rqs[rq->rqid];
+ if (r) {
+ if (rq->udpport == r->udpport && !memcmp(rq->rqauth, r->rqauth, 16)) {
+ gettimeofday(&now, NULL);
+ if (now.tv_sec - r->created.tv_sec < r->from->conf->dupinterval) {
+ if (r->replybuf) {
+ debug(DBG_INFO, "addclientrq: already sent reply to request with id %d from %s, resending", rq->rqid, addr2string(r->from->addr));
+ sendreply(newrqref(r));
+ } else
+ debug(DBG_INFO, "addclientrq: already got request with id %d from %s, ignoring", rq->rqid, addr2string(r->from->addr));
+ return 0;
+ }
+ }
+ freerq(r);
+ }
+ rq->from->rqs[rq->rqid] = newrqref(rq);
+ return 1;
+}
+
+void rmclientrq(struct request *rq, uint8_t id) {
+ struct request *r;
+
+ r = rq->from->rqs[id];
+ if (r) {
+ freerq(r);
+ rq->from->rqs[id] = NULL;
+ }
+}
+
+/* returns 0 if validation/authentication fails, else 1 */
+int radsrv(struct request *rq) {
+ struct radmsg *msg = NULL;
+ struct tlv *attr;
+ uint8_t *userascii = NULL;
struct realm *realm = NULL;
-
- code = *(uint8_t *)rq->buf;
- id = *(uint8_t *)(rq->buf + 1);
- len = RADLEN(rq->buf);
- auth = (uint8_t *)(rq->buf + 4);
-
- debug(DBG_DBG, "radsrv: code %d, id %d, length %d", code, id, len);
-
- if (code != RAD_Access_Request && code != RAD_Status_Server && code != RAD_Accounting_Request) {
- debug(DBG_INFO, "radsrv: server currently accepts only access-requests, accounting-requests and status-server, ignoring");
- goto exit;
+ struct server *to = NULL;
+ struct client *from = rq->from;
+ int ttlres;
+
+ msg = buf2radmsg(rq->buf, (uint8_t *)from->conf->secret, NULL);
+ free(rq->buf);
+ rq->buf = NULL;
+
+ if (!msg) {
+ debug(DBG_INFO, "radsrv: message validation failed, ignoring packet");
+ freerq(rq);
+ return 0;
}
- len -= 20;
- attrs = rq->buf + 20;
+ rq->msg = msg;
+ rq->rqid = msg->id;
+ memcpy(rq->rqauth, msg->auth, 16);
- if (!attrvalidate(attrs, len)) {
- debug(DBG_WARN, "radsrv: attribute validation failed, ignoring packet");
+ debug(DBG_DBG, "radsrv: code %d, id %d", msg->code, msg->id);
+ if (msg->code != RAD_Access_Request && msg->code != RAD_Status_Server && msg->code != RAD_Accounting_Request) {
+ debug(DBG_INFO, "radsrv: server currently accepts only access-requests, accounting-requests and status-server, ignoring");
goto exit;
}
- attr = attrget(attrs, len, RAD_Attr_Message_Authenticator);
- if (attr && (ATTRVALLEN(attr) != 16 || !checkmessageauth(rq->buf, ATTRVAL(attr), rq->from->conf->secret))) {
- debug(DBG_WARN, "radsrv: message authentication failed");
+ if (!addclientrq(rq))
goto exit;
- }
- if (code == RAD_Status_Server) {
- respondstatusserver(rq);
+ if (msg->code == RAD_Status_Server) {
+ respond(rq, RAD_Access_Accept, NULL);
goto exit;
}
-
+
/* below: code == RAD_Access_Request || code == RAD_Accounting_Request */
- if (rq->from->conf->rewrite) {
- dorewrite(rq->buf, rq->from->conf->rewrite);
- len = RADLEN(rq->buf) - 20;
+ if (from->conf->rewritein && !dorewrite(msg, from->conf->rewritein))
+ goto rmclrqexit;
+
+ ttlres = checkttl(msg, options.ttlattrtype);
+ if (!ttlres) {
+ debug(DBG_INFO, "radsrv: ignoring request from client %s (%s), ttl exceeded", from->conf->name, addr2string(from->addr));
+ goto exit;
}
-
- attr = attrget(attrs, len, RAD_Attr_User_Name);
+
+ attr = radmsg_gettype(msg, RAD_Attr_User_Name);
if (!attr) {
- if (code == RAD_Accounting_Request) {
- acclog(attrs, len, rq->from->conf->host);
- respondaccounting(rq);
+ if (msg->code == RAD_Accounting_Request) {
+ acclog(msg, from);
+ respond(rq, RAD_Accounting_Response, NULL);
} else
- debug(DBG_WARN, "radsrv: ignoring access request, no username attribute");
+ debug(DBG_INFO, "radsrv: ignoring access request, no username attribute");
goto exit;
}
- memcpy(username, ATTRVAL(attr), ATTRVALLEN(attr));
- username[ATTRVALLEN(attr)] = '\0';
- radattr2ascii(userascii, sizeof(userascii), attr);
- if (rq->from->conf->rewriteattrregex) {
- if (!rewriteusername(rq, username)) {
- debug(DBG_WARN, "radsrv: username malloc failed, ignoring request");
- goto exit;
- }
- len = RADLEN(rq->buf) - 20;
- auth = (uint8_t *)(rq->buf + 4);
- attrs = rq->buf + 20;
+ if (from->conf->rewriteusername && !rewriteusername(rq, attr)) {
+ debug(DBG_WARN, "radsrv: username malloc failed, ignoring request");
+ goto rmclrqexit;
}
- debug(DBG_DBG, "%s with username: %s", radmsgtype2string(code), userascii);
-
- to = findserver(&realm, username, code == RAD_Accounting_Request);
+ userascii = radattr2ascii(attr);
+ if (!userascii)
+ goto rmclrqexit;
+ debug(DBG_DBG, "%s with username: %s", radmsgtype2string(msg->code), userascii);
+
+ /* will return with lock on the realm */
+ to = findserver(&realm, attr, msg->code == RAD_Accounting_Request);
if (!realm) {
debug(DBG_INFO, "radsrv: ignoring request, don't know where to send it");
goto exit;
}
+
if (!to) {
- if (realm->message && code == RAD_Access_Request) {
- debug(DBG_INFO, "radsrv: sending reject to %s for %s", rq->from->conf->host, userascii);
- respondreject(rq, realm->message);
+ if (realm->message && msg->code == RAD_Access_Request) {
+ debug(DBG_INFO, "radsrv: sending reject to %s (%s) for %s", from->conf->name, addr2string(from->addr), userascii);
+ respond(rq, RAD_Access_Reject, realm->message);
+ } else if (realm->accresp && msg->code == RAD_Accounting_Request) {
+ acclog(msg, from);
+ respond(rq, RAD_Accounting_Response, NULL);
}
goto exit;
}
-
- if (options.loopprevention && !strcmp(rq->from->conf->name, to->conf->name)) {
- debug(DBG_INFO, "radsrv: Loop prevented, not forwarding request from client %s to server %s, discarding",
- rq->from->conf->name, to->conf->name);
- goto exit;
- }
- if (rqinqueue(to, rq->from, id, code)) {
- debug(DBG_INFO, "radsrv: already got %s from host %s with id %d, ignoring",
- radmsgtype2string(code), rq->from->conf->host, id);
+ if ((to->conf->loopprevention == 1
+ || (to->conf->loopprevention == UCHAR_MAX && options.loopprevention == 1))
+ && !strcmp(from->conf->name, to->conf->name)) {
+ debug(DBG_INFO, "radsrv: Loop prevented, not forwarding request from client %s (%s) to server %s, discarding",
+ from->conf->name, addr2string(from->addr), to->conf->name);
goto exit;
}
- if (!RAND_bytes(newauth, 16)) {
+ if (msg->code == RAD_Accounting_Request)
+ memset(msg->auth, 0, 16);
+ else if (!RAND_bytes(msg->auth, 16)) {
debug(DBG_WARN, "radsrv: failed to generate random auth");
- goto exit;
+ goto rmclrqexit;
}
#ifdef DEBUG
printfchars(NULL, "auth", "%02x ", auth, 16);
#endif
- attr = attrget(attrs, len, RAD_Attr_User_Password);
+ attr = radmsg_gettype(msg, RAD_Attr_User_Password);
if (attr) {
- debug(DBG_DBG, "radsrv: found userpwdattr with value length %d", ATTRVALLEN(attr));
- if (!pwdrecrypt(ATTRVAL(attr), ATTRVALLEN(attr), rq->from->conf->secret, to->conf->secret, auth, newauth))
- goto exit;
+ debug(DBG_DBG, "radsrv: found userpwdattr with value length %d", attr->l);
+ if (!pwdrecrypt(attr->v, attr->l, from->conf->secret, to->conf->secret, rq->rqauth, msg->auth))
+ goto rmclrqexit;
}
-
- attr = attrget(attrs, len, RAD_Attr_Tunnel_Password);
+
+ attr = radmsg_gettype(msg, RAD_Attr_Tunnel_Password);
if (attr) {
- debug(DBG_DBG, "radsrv: found tunnelpwdattr with value length %d", ATTRVALLEN(attr));
- if (!pwdrecrypt(ATTRVAL(attr), ATTRVALLEN(attr), rq->from->conf->secret, to->conf->secret, auth, newauth))
- goto exit;
+ debug(DBG_DBG, "radsrv: found tunnelpwdattr with value length %d", attr->l);
+ if (!pwdrecrypt(attr->v, attr->l, from->conf->secret, to->conf->secret, rq->rqauth, msg->auth))
+ goto rmclrqexit;
}
- rq->origid = id;
- memcpy(rq->origauth, auth, 16);
- memcpy(auth, newauth, 16);
- sendrq(to, rq);
- return;
-
- exit:
- freerqdata(rq);
-}
+ if (to->conf->rewriteout && !dorewrite(msg, to->conf->rewriteout))
+ goto rmclrqexit;
-int replyh(struct server *server, unsigned char *buf) {
- struct client *from;
- struct request *rq;
- int i, len, sublen;
- unsigned char *messageauth, *subattrs, *attrs, *attr, *username;
- struct sockaddr_storage fromsa;
- char tmp[760], stationid[760];
-
- server->connectionok = 1;
- server->loststatsrv = 0;
-
- i = buf[1]; /* i is the id */
+ if (ttlres == -1 && (options.addttl || to->conf->addttl))
+ addttlattr(msg, options.ttlattrtype, to->conf->addttl ? to->conf->addttl : options.addttl);
- if (*buf != RAD_Access_Accept && *buf != RAD_Access_Reject && *buf != RAD_Access_Challenge
- && *buf != RAD_Accounting_Response) {
- debug(DBG_INFO, "replyh: discarding message type %s, accepting only access accept, access reject, access challenge and accounting response messages", radmsgtype2string(*buf));
- return 0;
+ free(userascii);
+ rq->to = to;
+ sendrq(rq);
+ pthread_mutex_unlock(&realm->mutex);
+ freerealm(realm);
+ return 1;
+
+rmclrqexit:
+ rmclientrq(rq, msg->id);
+exit:
+ freerq(rq);
+ free(userascii);
+ if (realm) {
+ pthread_mutex_unlock(&realm->mutex);
+ freerealm(realm);
}
- debug(DBG_DBG, "got %s message with id %d", radmsgtype2string(*buf), i);
+ return 1;
+}
- rq = server->requests + i;
+void replyh(struct server *server, unsigned char *buf) {
+ struct client *from;
+ struct rqout *rqout;
+ int sublen, ttlres;
+ unsigned char *subattrs;
+ uint8_t *username, *stationid, *replymsg;
+ struct radmsg *msg = NULL;
+ struct tlv *attr;
+ struct list_node *node;
- pthread_mutex_lock(&server->newrq_mutex);
- if (!rq->buf || !rq->tries) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_INFO, "replyh: no matching request sent with this id, ignoring reply");
- return 0;
- }
+ server->connectionok = 1;
+ server->lostrqs = 0;
- if (rq->received) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_INFO, "replyh: already received, ignoring reply");
- return 0;
- }
-
- if (!validauth(buf, rq->buf + 4, (unsigned char *)server->conf->secret)) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_WARN, "replyh: invalid auth, ignoring reply");
- return 0;
+ rqout = server->requests + buf[1];
+ pthread_mutex_lock(rqout->lock);
+ if (!rqout->tries) {
+ free(buf);
+ buf = NULL;
+ debug(DBG_INFO, "replyh: no outstanding request with this id, ignoring reply");
+ goto errunlock;
}
-
- len = RADLEN(buf) - 20;
- attrs = buf + 20;
- if (!attrvalidate(attrs, len)) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_WARN, "replyh: attribute validation failed, ignoring reply");
- return 0;
+ msg = buf2radmsg(buf, (uint8_t *)server->conf->secret, rqout->rq->msg->auth);
+ free(buf);
+ buf = NULL;
+ if (!msg) {
+ debug(DBG_INFO, "replyh: message validation failed, ignoring packet");
+ goto errunlock;
}
-
- /* Message Authenticator */
- messageauth = attrget(attrs, len, RAD_Attr_Message_Authenticator);
- if (messageauth) {
- if (ATTRVALLEN(messageauth) != 16) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_WARN, "replyh: illegal message auth attribute length, ignoring reply");
- return 0;
- }
- memcpy(tmp, buf + 4, 16);
- memcpy(buf + 4, rq->buf + 4, 16);
- if (!checkmessageauth(buf, ATTRVAL(messageauth), server->conf->secret)) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_WARN, "replyh: message authentication failed, ignoring reply");
- return 0;
- }
- memcpy(buf + 4, tmp, 16);
- debug(DBG_DBG, "replyh: message auth ok");
+ if (msg->code != RAD_Access_Accept && msg->code != RAD_Access_Reject && msg->code != RAD_Access_Challenge
+ && msg->code != RAD_Accounting_Response) {
+ debug(DBG_INFO, "replyh: discarding message type %s, accepting only access accept, access reject, access challenge and accounting response messages", radmsgtype2string(msg->code));
+ goto errunlock;
}
-
- if (*rq->buf == RAD_Status_Server) {
- rq->received = 1;
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_DBG, "replyh: got status server response from %s", server->conf->host);
- return 0;
+ debug(DBG_DBG, "got %s message with id %d", radmsgtype2string(msg->code), msg->id);
+
+ gettimeofday(&server->lastrcv, NULL);
+
+ if (rqout->rq->msg->code == RAD_Status_Server) {
+ freerqoutdata(rqout);
+ debug(DBG_DBG, "replyh: got status server response from %s", server->conf->name);
+ goto errunlock;
}
- from = rq->from;
- if (!from) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_INFO, "replyh: client gone, ignoring reply");
- return 0;
+ gettimeofday(&server->lastreply, NULL);
+ from = rqout->rq->from;
+
+ if (server->conf->rewritein && !dorewrite(msg, from->conf->rewritein)) {
+ debug(DBG_INFO, "replyh: rewritein failed");
+ goto errunlock;
}
-
- if (server->conf->rewrite) {
- dorewrite(buf, server->conf->rewrite);
- len = RADLEN(buf) - 20;
+
+ ttlres = checkttl(msg, options.ttlattrtype);
+ if (!ttlres) {
+ debug(DBG_INFO, "replyh: ignoring reply from server %s, ttl exceeded", server->conf->name);
+ goto errunlock;
}
-
+
/* MS MPPE */
- for (attr = attrs; (attr = attrget(attr, len - (attr - attrs), RAD_Attr_Vendor_Specific)); attr += ATTRLEN(attr)) {
- if (ATTRVALLEN(attr) <= 4)
+ for (node = list_first(msg->attrs); node; node = list_next(node)) {
+ attr = (struct tlv *)node->data;
+ if (attr->t != RAD_Attr_Vendor_Specific)
+ continue;
+ if (attr->l <= 4)
break;
-
- if (attr[2] != 0 || attr[3] != 0 || attr[4] != 1 || attr[5] != 55) /* 311 == MS */
+ if (attr->v[0] != 0 || attr->v[1] != 0 || attr->v[2] != 1 || attr->v[3] != 55) /* 311 == MS */
continue;
-
- sublen = ATTRVALLEN(attr) - 4;
- subattrs = ATTRVAL(attr) + 4;
+
+ sublen = attr->l - 4;
+ subattrs = attr->v + 4;
if (!attrvalidate(subattrs, sublen) ||
!msmppe(subattrs, sublen, RAD_VS_ATTR_MS_MPPE_Send_Key, "MS MPPE Send Key",
- rq, server->conf->secret, from->conf->secret) ||
+ rqout->rq, server->conf->secret, from->conf->secret) ||
!msmppe(subattrs, sublen, RAD_VS_ATTR_MS_MPPE_Recv_Key, "MS MPPE Recv Key",
- rq, server->conf->secret, from->conf->secret))
+ rqout->rq, server->conf->secret, from->conf->secret))
break;
}
- if (attr) {
- pthread_mutex_unlock(&server->newrq_mutex);
+ if (node) {
debug(DBG_WARN, "replyh: MS attribute handling failed, ignoring reply");
- return 0;
+ goto errunlock;
+ }
+
+ if (msg->code == RAD_Access_Accept || msg->code == RAD_Access_Reject || msg->code == RAD_Accounting_Response) {
+ username = radattr2ascii(radmsg_gettype(rqout->rq->msg, RAD_Attr_User_Name));
+ if (username) {
+ stationid = radattr2ascii(radmsg_gettype(rqout->rq->msg, RAD_Attr_Calling_Station_Id));
+ replymsg = radattr2ascii(radmsg_gettype(msg, RAD_Attr_Reply_Message));
+ if (stationid) {
+ if (replymsg) {
+ debug(DBG_NOTICE,
+ "%s for user %s stationid %s from %s (%s) to %s (%s)",
+ radmsgtype2string(msg->code), username, stationid,
+ server->conf->name, replymsg, from->conf->name,
+ addr2string(from->addr));
+ free(replymsg);
+ } else
+ debug(DBG_NOTICE,
+ "%s for user %s stationid %s from %s to %s (%s)",
+ radmsgtype2string(msg->code), username, stationid,
+ server->conf->name, from->conf->name,
+ addr2string(from->addr));
+ free(stationid);
+ } else {
+ if (replymsg) {
+ debug(DBG_NOTICE, "%s for user %s from %s (%s) to %s (%s)",
+ radmsgtype2string(msg->code), username,
+ server->conf->name, replymsg, from->conf->name,
+ addr2string(from->addr));
+ free(replymsg);
+ } else
+ debug(DBG_NOTICE, "%s for user %s from %s to %s (%s)",
+ radmsgtype2string(msg->code), username,
+ server->conf->name, from->conf->name,
+ addr2string(from->addr));
+ }
+ free(username);
+ }
}
-
- if (*buf == RAD_Access_Accept || *buf == RAD_Access_Reject || *buf == RAD_Accounting_Response) {
- attr = attrget(rq->buf + 20, RADLEN(rq->buf) - 20, RAD_Attr_User_Name);
- if (attr) {
- radattr2ascii(tmp, sizeof(tmp), attr);
- attr = attrget(rq->buf + 20, RADLEN(rq->buf) - 20, RAD_Attr_Calling_Station_Id);
- if (attr) {
- radattr2ascii(stationid, sizeof(stationid), attr);
- debug(DBG_INFO, "%s for user %s stationid %s from %s",
- radmsgtype2string(*buf), tmp, stationid, server->conf->host);
- } else
- debug(DBG_INFO, "%s for user %s from %s", radmsgtype2string(*buf), tmp, server->conf->host);
- }
- }
-
- buf[1] = (char)rq->origid;
- memcpy(buf + 4, rq->origauth, 16);
-#ifdef DEBUG
+
+ msg->id = (char)rqout->rq->rqid;
+ memcpy(msg->auth, rqout->rq->rqauth, 16);
+
+#ifdef DEBUG
printfchars(NULL, "origauth/buf+4", "%02x ", buf + 4, 16);
#endif
- if (rq->origusername) {
- username = resizeattr(&buf, strlen(rq->origusername), RAD_Attr_User_Name);
- if (!username) {
- pthread_mutex_unlock(&server->newrq_mutex);
+ if (rqout->rq->origusername && (attr = radmsg_gettype(msg, RAD_Attr_User_Name))) {
+ if (!resizeattr(attr, strlen(rqout->rq->origusername))) {
debug(DBG_WARN, "replyh: malloc failed, ignoring reply");
- return 0;
+ goto errunlock;
}
- memcpy(username, rq->origusername, strlen(rq->origusername));
- len = RADLEN(buf) - 20;
- attrs = buf + 20;
- if (messageauth)
- messageauth = attrget(attrs, len, RAD_Attr_Message_Authenticator);
- }
-
- if (messageauth) {
- if (!createmessageauth(buf, ATTRVAL(messageauth), from->conf->secret)) {
- pthread_mutex_unlock(&server->newrq_mutex);
- debug(DBG_WARN, "replyh: failed to create authenticator, malloc failed?, ignoring reply");
- return 0;
- }
- debug(DBG_DBG, "replyh: computed messageauthattr");
+ memcpy(attr->v, rqout->rq->origusername, strlen(rqout->rq->origusername));
}
- if (from->conf->type == 'U')
- fromsa = rq->fromsa;
- /* once we set received = 1, rq may be reused */
- rq->received = 1;
+ if (from->conf->rewriteout && !dorewrite(msg, from->conf->rewriteout)) {
+ debug(DBG_WARN, "replyh: rewriteout failed");
+ goto errunlock;
+ }
- debug(DBG_INFO, "replyh: passing reply to client %s", from->conf->name);
- sendreply(from, buf, from->conf->type == 'U' ? &fromsa : NULL);
- pthread_mutex_unlock(&server->newrq_mutex);
- return 1;
-}
+ if (ttlres == -1 && (options.addttl || from->conf->addttl))
+ addttlattr(msg, options.ttlattrtype, from->conf->addttl ? from->conf->addttl : options.addttl);
-void *udpclientrd(void *arg) {
- struct server *server;
- unsigned char *buf;
- int *s = (int *)arg;
-
- for (;;) {
- server = NULL;
- buf = radudpget(*s, NULL, &server, NULL);
- if (!replyh(server, buf))
- free(buf);
- }
+ debug(msg->code == RAD_Access_Accept || msg->code == RAD_Access_Reject || msg->code == RAD_Accounting_Response ? DBG_WARN : DBG_INFO,
+ "replyh: passing %s to client %s (%s)", radmsgtype2string(msg->code), from->conf->name, addr2string(from->addr));
+
+ radmsg_free(rqout->rq->msg);
+ rqout->rq->msg = msg;
+ sendreply(newrqref(rqout->rq));
+ freerqoutdata(rqout);
+ pthread_mutex_unlock(rqout->lock);
+ return;
+
+errunlock:
+ radmsg_free(msg);
+ pthread_mutex_unlock(rqout->lock);
+ return;
}
-void *tlsclientrd(void *arg) {
- struct server *server = (struct server *)arg;
- unsigned char *buf;
- struct timeval lastconnecttry;
-
- for (;;) {
- /* yes, lastconnecttry is really necessary */
- lastconnecttry = server->lastconnecttry;
- buf = radtlsget(server->ssl);
- if (!buf) {
- tlsconnect(server, &lastconnecttry, "clientrd");
- continue;
- }
+struct request *createstatsrvrq() {
+ struct request *rq;
+ struct tlv *attr;
- if (!replyh(server, buf))
- free(buf);
+ rq = newrequest();
+ if (!rq)
+ return NULL;
+ rq->msg = radmsg_init(RAD_Status_Server, 0, NULL);
+ if (!rq->msg)
+ goto exit;
+ attr = maketlv(RAD_Attr_Message_Authenticator, 16, NULL);
+ if (!attr)
+ goto exit;
+ if (!radmsg_add(rq->msg, attr)) {
+ freetlv(attr);
+ goto exit;
}
+ return rq;
+
+exit:
+ freerq(rq);
+ return NULL;
}
/* code for removing state not finished */
void *clientwr(void *arg) {
struct server *server = (struct server *)arg;
- struct request *rq;
- pthread_t tlsclientrdth;
- int i;
+ struct rqout *rqout = NULL;
+ pthread_t clientrdth;
+ int i, dynconffail = 0;
+ time_t secs;
uint8_t rnd;
- struct timeval now, lastsend;
+ struct timeval now, laststatsrv;
struct timespec timeout;
- struct request statsrvrq;
- unsigned char statsrvbuf[38];
+ struct request *statsrvrq;
struct clsrvconf *conf;
conf = server->conf;
-
- if (server->dynamiclookuparg) {
- dynamicconfig(server);
- conf = server->conf;
- if (!conf)
- goto errexit;
+
+ if (server->dynamiclookuparg && !dynamicconfig(server)) {
+ dynconffail = 1;
+ server->dynstartup = 0;
+ sleep(900);
+ goto errexit;
}
- if (!conf->addrinfo && !resolvepeer(conf, 0)) {
- debug(DBG_WARN, "failed to resolve host %s port %s", conf->host ? conf->host : "(null)", conf->port ? conf->port : "(null)");
+ if (!resolvehostports(conf->hostports, conf->pdef->socktype)) {
+ debug(DBG_WARN, "clientwr: resolve failed");
+ server->dynstartup = 0;
+ sleep(900);
goto errexit;
}
memset(&timeout, 0, sizeof(struct timespec));
-
+
if (conf->statusserver) {
- memset(&statsrvrq, 0, sizeof(struct request));
- memset(statsrvbuf, 0, sizeof(statsrvbuf));
- statsrvbuf[0] = RAD_Status_Server;
- statsrvbuf[3] = 38;
- statsrvbuf[20] = RAD_Attr_Message_Authenticator;
- statsrvbuf[21] = 18;
- gettimeofday(&lastsend, NULL);
- }
-
- if (conf->type == 'U') {
- server->connectionok = 1;
- } else {
- tlsconnect(server, NULL, "new client");
+ gettimeofday(&server->lastrcv, NULL);
+ gettimeofday(&laststatsrv, NULL);
+ }
+
+ if (conf->pdef->connecter) {
+ if (!conf->pdef->connecter(server, NULL, server->dynamiclookuparg ? 5 : 0, "clientwr")) {
+ if (server->dynamiclookuparg) {
+ server->dynstartup = 0;
+ sleep(900);
+ }
+ goto errexit;
+ }
server->connectionok = 1;
- if (pthread_create(&tlsclientrdth, NULL, tlsclientrd, (void *)server)) {
- debug(DBG_ERR, "clientwr: pthread_create failed");
+ if (pthread_create(&clientrdth, NULL, conf->pdef->clientconnreader, (void *)server)) {
+ debugerrno(errno, DBG_ERR, "clientwr: pthread_create failed");
goto errexit;
}
- }
-
+ } else
+ server->connectionok = 1;
+ server->dynstartup = 0;
+
for (;;) {
pthread_mutex_lock(&server->newrq_mutex);
if (!server->newrq) {
gettimeofday(&now, NULL);
+ /* random 0-7 seconds */
+ RAND_bytes(&rnd, 1);
+ rnd /= 32;
if (conf->statusserver) {
- /* random 0-7 seconds */
- RAND_bytes(&rnd, 1);
- rnd /= 32;
- if (!timeout.tv_sec || timeout.tv_sec > lastsend.tv_sec + STATUS_SERVER_PERIOD + rnd)
- timeout.tv_sec = lastsend.tv_sec + STATUS_SERVER_PERIOD + rnd;
- }
- if (timeout.tv_sec) {
- debug(DBG_DBG, "clientwr: waiting up to %ld secs for new request", timeout.tv_sec - now.tv_sec);
- pthread_cond_timedwait(&server->newrq_cond, &server->newrq_mutex, &timeout);
- timeout.tv_sec = 0;
+ secs = server->lastrcv.tv_sec > laststatsrv.tv_sec ? server->lastrcv.tv_sec : laststatsrv.tv_sec;
+ if (now.tv_sec - secs > STATUS_SERVER_PERIOD)
+ secs = now.tv_sec;
+ if (!timeout.tv_sec || timeout.tv_sec > secs + STATUS_SERVER_PERIOD + rnd)
+ timeout.tv_sec = secs + STATUS_SERVER_PERIOD + rnd;
} else {
- debug(DBG_DBG, "clientwr: waiting for new request");
- pthread_cond_wait(&server->newrq_cond, &server->newrq_mutex);
+ if (!timeout.tv_sec || timeout.tv_sec > now.tv_sec + STATUS_SERVER_PERIOD + rnd)
+ timeout.tv_sec = now.tv_sec + STATUS_SERVER_PERIOD + rnd;
}
+#if 0
+ if (timeout.tv_sec > now.tv_sec)
+ debug(DBG_DBG, "clientwr: waiting up to %ld secs for new request", timeout.tv_sec - now.tv_sec);
+#endif
+ pthread_cond_timedwait(&server->newrq_cond, &server->newrq_mutex, &timeout);
+ timeout.tv_sec = 0;
}
if (server->newrq) {
debug(DBG_DBG, "clientwr: got new request");
server->newrq = 0;
- } else
+ }
+#if 0
+ else
debug(DBG_DBG, "clientwr: request timer expired, processing request queue");
+#endif
pthread_mutex_unlock(&server->newrq_mutex);
for (i = 0; i < MAX_REQUESTS; i++) {
- pthread_mutex_lock(&server->newrq_mutex);
- while (i < MAX_REQUESTS && !server->requests[i].buf)
- i++;
- if (i == MAX_REQUESTS) {
- pthread_mutex_unlock(&server->newrq_mutex);
- break;
+ if (server->clientrdgone) {
+ pthread_join(clientrdth, NULL);
+ goto errexit;
}
- rq = server->requests + i;
-
- if (rq->received) {
- debug(DBG_DBG, "clientwr: packet %d in queue is marked as received", i);
- if (rq->buf) {
- debug(DBG_DBG, "clientwr: freeing received packet %d from queue", i);
- freerqdata(rq);
- /* setting this to NULL means that it can be reused */
- rq->buf = NULL;
+
+ for (; i < MAX_REQUESTS; i++) {
+ rqout = server->requests + i;
+ if (rqout->rq) {
+ pthread_mutex_lock(rqout->lock);
+ if (rqout->rq)
+ break;
+ pthread_mutex_unlock(rqout->lock);
}
- pthread_mutex_unlock(&server->newrq_mutex);
- continue;
- }
-
+ }
+
+ if (i == MAX_REQUESTS)
+ break;
+
gettimeofday(&now, NULL);
- if (now.tv_sec < rq->expiry.tv_sec) {
- if (!timeout.tv_sec || rq->expiry.tv_sec < timeout.tv_sec)
- timeout.tv_sec = rq->expiry.tv_sec;
- pthread_mutex_unlock(&server->newrq_mutex);
+ if (now.tv_sec < rqout->expiry.tv_sec) {
+ if (!timeout.tv_sec || rqout->expiry.tv_sec < timeout.tv_sec)
+ timeout.tv_sec = rqout->expiry.tv_sec;
+ pthread_mutex_unlock(rqout->lock);
continue;
}
- if (rq->tries == (*rq->buf == RAD_Status_Server || server->conf->type == 'T'
- ? 1 : REQUEST_RETRIES)) {
+ if (rqout->tries == (*rqout->rq->buf == RAD_Status_Server ? 1 : conf->retrycount + 1)) {
debug(DBG_DBG, "clientwr: removing expired packet from queue");
- if (*rq->buf == RAD_Status_Server) {
- debug(DBG_WARN, "clientwr: no status server response, %s dead?", conf->host);
- if (server->loststatsrv < 255)
- server->loststatsrv++;
+ if (conf->statusserver) {
+ if (*rqout->rq->buf == RAD_Status_Server) {
+ debug(DBG_WARN, "clientwr: no status server response, %s dead?", conf->name);
+ if (server->lostrqs < 255)
+ server->lostrqs++;
+ }
+ } else {
+ debug(DBG_WARN, "clientwr: no server response, %s dead?", conf->name);
+ if (server->lostrqs < 255)
+ server->lostrqs++;
}
- freerqdata(rq);
- /* setting this to NULL means that it can be reused */
- rq->buf = NULL;
- pthread_mutex_unlock(&server->newrq_mutex);
+ freerqoutdata(rqout);
+ pthread_mutex_unlock(rqout->lock);
continue;
}
- pthread_mutex_unlock(&server->newrq_mutex);
-
- rq->expiry.tv_sec = now.tv_sec +
- (*rq->buf == RAD_Status_Server || conf->type == 'T'
- ? REQUEST_EXPIRY : REQUEST_EXPIRY / REQUEST_RETRIES);
- if (!timeout.tv_sec || rq->expiry.tv_sec < timeout.tv_sec)
- timeout.tv_sec = rq->expiry.tv_sec;
- rq->tries++;
- clientradput(server, server->requests[i].buf);
- gettimeofday(&lastsend, NULL);
- }
- if (conf->statusserver) {
+
+ rqout->expiry.tv_sec = now.tv_sec + conf->retryinterval;
+ if (!timeout.tv_sec || rqout->expiry.tv_sec < timeout.tv_sec)
+ timeout.tv_sec = rqout->expiry.tv_sec;
+ rqout->tries++;
+ conf->pdef->clientradput(server, rqout->rq->buf);
+ pthread_mutex_unlock(rqout->lock);
+ }
+ if (conf->statusserver && server->connectionok) {
+ secs = server->lastrcv.tv_sec > laststatsrv.tv_sec ? server->lastrcv.tv_sec : laststatsrv.tv_sec;
gettimeofday(&now, NULL);
- if (now.tv_sec - lastsend.tv_sec >= STATUS_SERVER_PERIOD) {
- if (!RAND_bytes(statsrvbuf + 4, 16)) {
- debug(DBG_WARN, "clientwr: failed to generate random auth");
- continue;
- }
- statsrvrq.buf = malloc(sizeof(statsrvbuf));
- if (!statsrvrq.buf) {
- debug(DBG_ERR, "clientwr: malloc failed");
- continue;
+ if (now.tv_sec - secs > STATUS_SERVER_PERIOD) {
+ laststatsrv = now;
+ statsrvrq = createstatsrvrq();
+ if (statsrvrq) {
+ statsrvrq->to = server;
+ debug(DBG_DBG, "clientwr: sending status server to %s", conf->name);
+ sendrq(statsrvrq);
}
- memcpy(statsrvrq.buf, statsrvbuf, sizeof(statsrvbuf));
- debug(DBG_DBG, "clientwr: sending status server to %s", conf->host);
- lastsend.tv_sec = now.tv_sec;
- sendrq(server, &statsrvrq);
}
}
}
- errexit:
- /* this code needs more work */
+errexit:
+ conf->servers = NULL;
if (server->dynamiclookuparg) {
- /* remove subrealms using this server */
- /* need to free server->conf etc */
- if (conf) {
- free(conf->host);
- free(conf->name);
- if (conf->addrinfo) {
- freeaddrinfo(conf->addrinfo);
- conf->addrinfo = NULL;
- }
- /* add this once realm removal in place
- freeclsrvconf(conf);
- server->conf = NULL;
- */
- }
+ removeserversubrealms(realms, conf);
+ if (dynconffail)
+ free(conf);
+ else
+ freeclsrvconf(conf);
}
freeserver(server, 1);
+ ERR_remove_state(0);
return NULL;
}
-void *udpserverwr(void *arg) {
- struct replyq *replyq = udp_server_replyq;
- struct reply *reply;
-
- for (;;) {
- pthread_mutex_lock(&replyq->mutex);
- while (!(reply = (struct reply *)list_shift(replyq->replies))) {
- debug(DBG_DBG, "udp server writer, waiting for signal");
- pthread_cond_wait(&replyq->cond, &replyq->mutex);
- debug(DBG_DBG, "udp server writer, got signal");
- }
- pthread_mutex_unlock(&replyq->mutex);
-
- if (sendto(udp_server_sock, reply->buf, RADLEN(reply->buf), 0,
- (struct sockaddr *)&reply->tosa, SOCKADDR_SIZE(reply->tosa)) < 0)
- debug(DBG_WARN, "sendudp: send failed");
- free(reply->buf);
- free(reply);
- }
-}
-
-void *udpserverrd(void *arg) {
- struct request rq;
- pthread_t udpserverwrth;
- struct clsrvconf *listenres;
-
- listenres = resolve_hostport('U', options.listenudp, DEFAULT_UDP_PORT);
- if ((udp_server_sock = bindtoaddr(listenres->addrinfo, AF_UNSPEC, 1, 0)) < 0)
- debugx(1, DBG_ERR, "udpserverrd: socket/bind failed");
-
- debug(DBG_WARN, "udpserverrd: listening for UDP on %s:%s",
- listenres->host ? listenres->host : "*", listenres->port);
- freeclsrvres(listenres);
-
- if (pthread_create(&udpserverwrth, NULL, udpserverwr, NULL))
- debugx(1, DBG_ERR, "pthread_create failed");
-
- for (;;) {
- memset(&rq, 0, sizeof(struct request));
- rq.buf = radudpget(udp_server_sock, &rq.from, NULL, &rq.fromsa);
- radsrv(&rq);
- }
-}
-
-void *udpaccserverrd(void *arg) {
- struct request rq;
- struct clsrvconf *listenres;
-
- listenres = resolve_hostport('U', options.listenaccudp, DEFAULT_UDP_PORT);
- if ((udp_accserver_sock = bindtoaddr(listenres->addrinfo, AF_UNSPEC, 1, 0)) < 0)
- debugx(1, DBG_ERR, "udpserverrd: socket/bind failed");
-
- debug(DBG_WARN, "udpaccserverrd: listening for UDP on %s:%s",
- listenres->host ? listenres->host : "*", listenres->port);
- freeclsrvres(listenres);
-
- for (;;) {
- memset(&rq, 0, sizeof(struct request));
- rq.buf = radudpget(udp_accserver_sock, &rq.from, NULL, &rq.fromsa);
- if (*(uint8_t *)rq.buf == RAD_Accounting_Request) {
- radsrv(&rq);
- continue;
- }
- debug(DBG_INFO, "udpaccserverrd: got something other than accounting-request, ignoring");
- freerqdata(&rq);
- }
-}
-
-void *tlsserverwr(void *arg) {
- int cnt;
- unsigned long error;
- struct client *client = (struct client *)arg;
- struct replyq *replyq;
- struct reply *reply;
-
- debug(DBG_DBG, "tlsserverwr starting for %s", client->conf->host);
- replyq = client->replyq;
- for (;;) {
- pthread_mutex_lock(&replyq->mutex);
- while (!list_first(replyq->replies)) {
- if (client->ssl) {
- debug(DBG_DBG, "tls server writer, waiting for signal");
- pthread_cond_wait(&replyq->cond, &replyq->mutex);
- debug(DBG_DBG, "tls server writer, got signal");
- }
- if (!client->ssl) {
- /* ssl might have changed while waiting */
- pthread_mutex_unlock(&replyq->mutex);
- debug(DBG_DBG, "tlsserverwr: exiting as requested");
- pthread_exit(NULL);
- }
- }
- reply = (struct reply *)list_shift(replyq->replies);
- pthread_mutex_unlock(&replyq->mutex);
- cnt = SSL_write(client->ssl, reply->buf, RADLEN(reply->buf));
- if (cnt > 0)
- debug(DBG_DBG, "tlsserverwr: Sent %d bytes, Radius packet of length %d",
- cnt, RADLEN(reply->buf));
- else
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "tlsserverwr: SSL: %s", ERR_error_string(error, NULL));
- free(reply->buf);
- free(reply);
- }
-}
+void createlistener(uint8_t type, char *arg) {
+ pthread_t th;
+ struct addrinfo *res;
+ int s = -1, on = 1, *sp = NULL;
+ struct hostportres *hp = newhostport(arg, protodefs[type]->portdefault, 0);
-void tlsserverrd(struct client *client) {
- struct request rq;
- pthread_t tlsserverwrth;
-
- debug(DBG_DBG, "tlsserverrd starting for %s", client->conf->host);
-
- if (pthread_create(&tlsserverwrth, NULL, tlsserverwr, (void *)client)) {
- debug(DBG_ERR, "tlsserverrd: pthread_create failed");
- return;
- }
+ if (!hp || !resolvehostport(hp, protodefs[type]->socktype, 1))
+ debugx(1, DBG_ERR, "createlistener: failed to resolve %s", arg);
- for (;;) {
- memset(&rq, 0, sizeof(struct request));
- rq.buf = radtlsget(client->ssl);
- if (!rq.buf)
- break;
- debug(DBG_DBG, "tlsserverrd: got Radius message from %s", client->conf->host);
- rq.from = client;
- radsrv(&rq);
- }
-
- debug(DBG_ERR, "tlsserverrd: connection lost");
- /* stop writer by setting ssl to NULL and give signal in case waiting for data */
- client->ssl = NULL;
- pthread_mutex_lock(&client->replyq->mutex);
- pthread_cond_signal(&client->replyq->cond);
- pthread_mutex_unlock(&client->replyq->mutex);
- debug(DBG_DBG, "tlsserverrd: waiting for writer to end");
- pthread_join(tlsserverwrth, NULL);
- removeclientrqs(client);
- debug(DBG_DBG, "tlsserverrd for %s exiting", client->conf->host);
-}
-
-void *tlsservernew(void *arg) {
- int s;
- struct sockaddr_storage from;
- size_t fromlen = sizeof(from);
- struct clsrvconf *conf;
- struct list_node *cur = NULL;
- SSL *ssl = NULL;
- X509 *cert = NULL;
- unsigned long error;
- struct client *client;
-
- s = *(int *)arg;
- if (getpeername(s, (struct sockaddr *)&from, &fromlen)) {
- debug(DBG_DBG, "tlsserverrd: getpeername failed, exiting");
- goto exit;
- }
- debug(DBG_WARN, "incoming TLS connection from %s", addr2string((struct sockaddr *)&from, fromlen));
+ for (res = hp->addrinfo; res; res = res->ai_next) {
+ s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+ if (s < 0) {
+ debugerrno(errno, DBG_WARN, "createlistener: socket failed");
+ continue;
+ }
+ setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
- conf = find_conf('T', (struct sockaddr *)&from, clconfs, &cur);
- if (conf) {
- ssl = SSL_new(conf->ssl_ctx);
- SSL_set_fd(ssl, s);
+ disable_DF_bit(s, res);
- if (SSL_accept(ssl) <= 0) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "tlsserverrd: SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "SSL_accept failed");
- goto exit;
- }
- cert = verifytlscert(ssl);
- if (!cert)
- goto exit;
- }
-
- while (conf) {
- if (verifyconfcert(cert, conf)) {
- X509_free(cert);
- client = addclient(conf);
- if (client) {
- client->ssl = ssl;
- tlsserverrd(client);
- removeclient(client);
- } else
- debug(DBG_WARN, "Failed to create new client instance");
- goto exit;
+#ifdef IPV6_V6ONLY
+ if (res->ai_family == AF_INET6)
+ setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
+#endif
+ if (bind(s, res->ai_addr, res->ai_addrlen)) {
+ debugerrno(errno, DBG_WARN, "createlistener: bind failed");
+ close(s);
+ s = -1;
+ continue;
}
- conf = find_conf('T', (struct sockaddr *)&from, clconfs, &cur);
+
+ sp = malloc(sizeof(int));
+ if (!sp)
+ debugx(1, DBG_ERR, "malloc failed");
+ *sp = s;
+ if (pthread_create(&th, NULL, protodefs[type]->listener, (void *)sp))
+ debugerrnox(errno, DBG_ERR, "pthread_create failed");
+ pthread_detach(th);
}
- debug(DBG_WARN, "ignoring request, no matching TLS client");
- if (cert)
- X509_free(cert);
+ if (!sp)
+ debugx(1, DBG_ERR, "createlistener: socket/bind failed");
- exit:
- SSL_free(ssl);
- shutdown(s, SHUT_RDWR);
- close(s);
- pthread_exit(NULL);
+ debug(DBG_WARN, "createlistener: listening for %s on %s:%s", protodefs[type]->name, hp->host ? hp->host : "*", hp->port);
+ freehostport(hp);
}
-int tlslistener() {
- pthread_t tlsserverth;
- int s, snew;
- struct sockaddr_storage from;
- size_t fromlen = sizeof(from);
- struct clsrvconf *listenres;
-
- listenres = resolve_hostport('T', options.listentcp, DEFAULT_TLS_PORT);
- if ((s = bindtoaddr(listenres->addrinfo, AF_UNSPEC, 1, 0)) < 0)
- debugx(1, DBG_ERR, "tlslistener: socket/bind failed");
-
- debug(DBG_WARN, "listening for incoming TCP on %s:%s", listenres->host ? listenres->host : "*", listenres->port);
- freeclsrvres(listenres);
- listen(s, 0);
+void createlisteners(uint8_t type) {
+ int i;
+ char **args;
- for (;;) {
- snew = accept(s, (struct sockaddr *)&from, &fromlen);
- if (snew < 0) {
- debug(DBG_WARN, "accept failed");
- continue;
- }
- if (pthread_create(&tlsserverth, NULL, tlsservernew, (void *)&snew)) {
- debug(DBG_ERR, "tlslistener: pthread_create failed");
- shutdown(snew, SHUT_RDWR);
- close(snew);
- continue;
- }
- pthread_detach(tlsserverth);
- }
- return 0;
+ args = protodefs[type]->getlistenerargs();
+ if (args)
+ for (i = 0; args[i]; i++)
+ createlistener(type, args[i]);
+ else
+ createlistener(type, NULL);
}
-void tlsadd(char *value, char *cacertfile, char *cacertpath, char *certfile, char *certkeyfile, char *certkeypwd) {
- struct tls *new;
- SSL_CTX *ctx;
- STACK_OF(X509_NAME) *calist;
+void sslinit() {
int i;
- unsigned long error;
-
- if (!certfile || !certkeyfile)
- debugx(1, DBG_ERR, "TLSCertificateFile and TLSCertificateKeyFile must be specified in TLS context %s", value);
-
- if (!cacertfile && !cacertpath)
- debugx(1, DBG_ERR, "CA Certificate file or path need to be specified in TLS context %s", value);
-
- if (!ssl_locks) {
- ssl_locks = malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
- ssl_lock_count = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
- for (i = 0; i < CRYPTO_num_locks(); i++) {
- ssl_lock_count[i] = 0;
- pthread_mutex_init(&ssl_locks[i], NULL);
- }
- CRYPTO_set_id_callback(ssl_thread_id);
- CRYPTO_set_locking_callback(ssl_locking_callback);
-
- SSL_load_error_strings();
- SSL_library_init();
-
- while (!RAND_status()) {
- time_t t = time(NULL);
- pid_t pid = getpid();
- RAND_seed((unsigned char *)&t, sizeof(time_t));
- RAND_seed((unsigned char *)&pid, sizeof(pid));
- }
- }
- ctx = SSL_CTX_new(TLSv1_method());
- if (certkeypwd) {
- SSL_CTX_set_default_passwd_cb_userdata(ctx, certkeypwd);
- SSL_CTX_set_default_passwd_cb(ctx, pem_passwd_cb);
- }
- if (!SSL_CTX_use_certificate_chain_file(ctx, certfile) ||
- !SSL_CTX_use_PrivateKey_file(ctx, certkeyfile, SSL_FILETYPE_PEM) ||
- !SSL_CTX_check_private_key(ctx) ||
- !SSL_CTX_load_verify_locations(ctx, cacertfile, cacertpath)) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debugx(1, DBG_ERR, "Error initialising SSL/TLS in TLS context %s", value);
- }
-
- calist = cacertfile ? SSL_load_client_CA_file(cacertfile) : NULL;
- if (!cacertfile || calist) {
- if (cacertpath) {
- if (!calist)
- calist = sk_X509_NAME_new_null();
- if (!SSL_add_dir_cert_subjects_to_stack(calist, cacertpath)) {
- sk_X509_NAME_free(calist);
- calist = NULL;
- }
- }
- }
- if (!calist) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debugx(1, DBG_ERR, "Error adding CA subjects in TLS context %s", value);
- }
- SSL_CTX_set_client_CA_list(ctx, calist);
-
- SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_cb);
- SSL_CTX_set_verify_depth(ctx, MAX_CERT_DEPTH + 1);
+ time_t t;
+ pid_t pid;
- new = malloc(sizeof(struct tls));
- if (!new || !list_push(tlsconfs, new))
- debugx(1, DBG_ERR, "malloc failed");
+ ssl_locks = calloc(CRYPTO_num_locks(), sizeof(pthread_mutex_t));
+ ssl_lock_count = OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
+ for (i = 0; i < CRYPTO_num_locks(); i++) {
+ ssl_lock_count[i] = 0;
+ pthread_mutex_init(&ssl_locks[i], NULL);
+ }
+ CRYPTO_set_id_callback(ssl_thread_id);
+ CRYPTO_set_locking_callback(ssl_locking_callback);
- memset(new, 0, sizeof(struct tls));
- new->name = stringcopy(value, 0);
- if (!new->name)
- debugx(1, DBG_ERR, "malloc failed");
- new->ctx = ctx;
- debug(DBG_DBG, "tlsadd: added TLS context %s", value);
-}
+ SSL_load_error_strings();
+ SSL_library_init();
-SSL_CTX *tlsgetctx(char *alt1, char *alt2) {
- struct list_node *entry;
- struct tls *t, *t1 = NULL, *t2 = NULL;
-
- for (entry = list_first(tlsconfs); entry; entry = list_next(entry)) {
- t = (struct tls *)entry->data;
- if (!strcasecmp(t->name, alt1)) {
- t1 = t;
- break;
- }
- if (!t2 && alt2 && !strcasecmp(t->name, alt2))
- t2 = t;
+ while (!RAND_status()) {
+ t = time(NULL);
+ pid = getpid();
+ RAND_seed((unsigned char *)&t, sizeof(time_t));
+ RAND_seed((unsigned char *)&pid, sizeof(pid));
}
-
- t = (t1 ? t1 : t2);
- if (!t)
- return NULL;
- return t->ctx;
}
struct list *addsrvconfs(char *value, char **names) {
struct list *conflist;
int n;
struct list_node *entry;
- struct clsrvconf *conf;
-
+ struct clsrvconf *conf = NULL;
+
if (!names || !*names)
return NULL;
-
+
conflist = list_create();
if (!conflist) {
debug(DBG_ERR, "malloc failed");
void freerealm(struct realm *realm) {
if (!realm)
return;
+ debug(DBG_DBG, "freerealm: called with refcount %d", realm->refcount);
+ if (--realm->refcount)
+ return;
+
free(realm->name);
- if (realm->srvconfs) {
- /* emptying list without freeing data */
- while (list_shift(realm->srvconfs));
- list_destroy(realm->srvconfs);
- }
- if (realm->accsrvconfs) {
- /* emptying list without freeing data */
- while (list_shift(realm->accsrvconfs));
- list_destroy(realm->accsrvconfs);
- }
+ free(realm->message);
+ regfree(&realm->regex);
+ pthread_mutex_destroy(&realm->mutex);
+ /* if refcount == 0, all subrealms gone */
+ list_destroy(realm->subrealms);
+ /* if refcount == 0, all srvconfs gone */
+ list_destroy(realm->srvconfs);
+ /* if refcount == 0, all accsrvconfs gone */
+ list_destroy(realm->accsrvconfs);
+ freerealm(realm->parent);
free(realm);
}
-struct realm *addrealm(struct list *realmlist, char *value, char **servers, char **accservers, char *message) {
+struct realm *addrealm(struct list *realmlist, char *value, char **servers, char **accservers, char *message, uint8_t accresp) {
int n;
struct realm *realm;
char *s, *regex = NULL;
-
+
if (*value == '/') {
/* regexp, remove optional trailing / if present */
if (value[strlen(value) - 1] == '/')
}
if (!regex) {
debug(DBG_ERR, "malloc failed");
+ realm = NULL;
goto exit;
}
debug(DBG_DBG, "addrealm: constructed regexp %s from %s", regex, value);
goto exit;
}
memset(realm, 0, sizeof(struct realm));
+
+ if (pthread_mutex_init(&realm->mutex, NULL)) {
+ debugerrno(errno, DBG_ERR, "mutex init failed");
+ free(realm);
+ realm = NULL;
+ goto exit;
+ }
+
realm->name = stringcopy(value, 0);
if (!realm->name) {
debug(DBG_ERR, "malloc failed");
goto errexit;
}
realm->message = message;
-
- if (regcomp(&realm->regex, regex ? regex : value + 1, REG_ICASE | REG_NOSUB)) {
+ realm->accresp = accresp;
+
+ if (regcomp(&realm->regex, regex ? regex : value + 1, REG_EXTENDED | REG_ICASE | REG_NOSUB)) {
debug(DBG_ERR, "addrealm: failed to compile regular expression %s", regex ? regex : value + 1);
goto errexit;
}
-
+
if (servers && *servers) {
realm->srvconfs = addsrvconfs(value, servers);
if (!realm->srvconfs)
goto errexit;
}
-
+
if (accservers && *accservers) {
realm->accsrvconfs = addsrvconfs(value, accservers);
if (!realm->accsrvconfs)
goto errexit;
}
- if (pthread_mutex_init(&realm->subrealms_mutex, NULL)) {
- debug(DBG_ERR, "mutex init failed");
- goto errexit;
- }
-
if (!list_push(realmlist, realm)) {
debug(DBG_ERR, "malloc failed");
- pthread_mutex_destroy(&realm->subrealms_mutex);
+ pthread_mutex_destroy(&realm->mutex);
goto errexit;
}
-
+
debug(DBG_DBG, "addrealm: added realm %s", value);
goto exit;
- errexit:
+errexit:
+ while (list_shift(realm->srvconfs));
+ while (list_shift(realm->accsrvconfs));
freerealm(realm);
realm = NULL;
-
- exit:
+exit:
free(regex);
if (servers) {
- for (n = 0; servers[n]; n++)
- free(servers[n]);
- free(servers);
+ if (realm)
+ for (n = 0; servers[n]; n++)
+ newrealmref(realm);
+ freegconfmstr(servers);
}
if (accservers) {
- for (n = 0; accservers[n]; n++)
- free(accservers[n]);
- free(accservers);
+ if (realm)
+ for (n = 0; accservers[n]; n++)
+ newrealmref(realm);
+ freegconfmstr(accservers);
}
- return realm;
+ return newrealmref(realm);
}
-void adddynamicrealmserver(struct realm *realm, struct clsrvconf *conf, char *id) {
- struct clsrvconf *srvconf;
+struct list *createsubrealmservers(struct realm *realm, struct list *srvconfs) {
+ struct list_node *entry;
+ struct clsrvconf *conf, *srvconf;
+ struct list *subrealmservers = NULL;
+ pthread_t clientth;
+
+ if (list_first(srvconfs)) {
+ subrealmservers = list_create();
+ if (!subrealmservers)
+ return NULL;
+ }
+
+ for (entry = list_first(srvconfs); entry; entry = list_next(entry)) {
+ conf = (struct clsrvconf *)entry->data;
+ if (!conf->servers && conf->dynamiclookupcommand) {
+ srvconf = malloc(sizeof(struct clsrvconf));
+ if (!srvconf) {
+ debug(DBG_ERR, "malloc failed");
+ continue;
+ }
+ *srvconf = *conf;
+ if (addserver(srvconf)) {
+ srvconf->servers->dynamiclookuparg = stringcopy(realm->name, 0);
+ srvconf->servers->dynstartup = 1;
+ if (pthread_create(&clientth, NULL, clientwr, (void *)(srvconf->servers))) {
+ debugerrno(errno, DBG_ERR, "pthread_create failed");
+ freeserver(srvconf->servers, 1);
+ srvconf->servers = NULL;
+ } else
+ pthread_detach(clientth);
+ }
+ conf = srvconf;
+ }
+ if (conf->servers) {
+ if (list_push(subrealmservers, conf))
+ newrealmref(realm);
+ else
+ debug(DBG_ERR, "malloc failed");
+ }
+ }
+ return subrealmservers;
+}
+
+struct realm *adddynamicrealmserver(struct realm *realm, char *id) {
struct realm *newrealm = NULL;
char *realmname, *s;
-
- if (!conf->dynamiclookupcommand)
- return;
-
/* create dynamic for the realm (string after last @, exit if nothing after @ */
realmname = strrchr(id, '@');
if (!realmname)
- return;
+ return NULL;
realmname++;
if (!*realmname)
- return;
+ return NULL;
for (s = realmname; *s; s++)
if (*s != '.' && *s != '-' && !isalnum((int)*s))
- return;
-
- pthread_mutex_lock(&realm->subrealms_mutex);
- /* exit if we now already got a matching subrealm */
- if (id2realm(realm->subrealms, id))
- goto exit;
- srvconf = malloc(sizeof(struct clsrvconf));
- if (!srvconf) {
- debug(DBG_ERR, "malloc failed");
- goto exit;
- }
- *srvconf = *conf;
- if (!addserver(srvconf))
- goto errexit;
+ return NULL;
if (!realm->subrealms)
realm->subrealms = list_create();
if (!realm->subrealms)
- goto errexit;
- newrealm = addrealm(realm->subrealms, realmname, NULL, NULL, NULL);
- if (!newrealm)
- goto errexit;
-
- /* add server and accserver to newrealm */
- newrealm->srvconfs = list_create();
- if (!newrealm->srvconfs || !list_push(newrealm->srvconfs, srvconf)) {
- debug(DBG_ERR, "malloc failed");
- goto errexit;
- }
- newrealm->accsrvconfs = list_create();
- if (!newrealm->accsrvconfs || !list_push(newrealm->accsrvconfs, srvconf)) {
- debug(DBG_ERR, "malloc failed");
- goto errexit;
- }
-
- srvconf->servers->dynamiclookuparg = stringcopy(realmname, 0);
-
- if (pthread_create(&srvconf->servers->clientth, NULL, clientwr, (void *)(srvconf->servers))) {
- debug(DBG_ERR, "pthread_create failed");
- goto errexit;
- }
+ return NULL;
- goto exit;
-
- errexit:
- if (newrealm) {
- list_removedata(realm->subrealms, newrealm);
- freerealm(newrealm);
+ newrealm = addrealm(realm->subrealms, realmname, NULL, NULL, stringcopy(realm->message, 0), realm->accresp);
+ if (!newrealm) {
+ list_destroy(realm->subrealms);
+ realm->subrealms = NULL;
+ return NULL;
}
- freeserver(srvconf->servers, 1);
- free(srvconf);
- debug(DBG_ERR, "failed to create dynamic server");
- exit:
- pthread_mutex_unlock(&realm->subrealms_mutex);
+ newrealm->parent = newrealmref(realm);
+ /* add server and accserver to newrealm */
+ newrealm->srvconfs = createsubrealmservers(newrealm, realm->srvconfs);
+ newrealm->accsrvconfs = createsubrealmservers(newrealm, realm->accsrvconfs);
+ return newrealm;
}
-void dynamicconfig(struct server *server) {
+int dynamicconfig(struct server *server) {
int ok, fd[2], status;
pid_t pid;
struct clsrvconf *conf = server->conf;
struct gconffile *cf = NULL;
-
+
/* for now we only learn hostname/address */
debug(DBG_DBG, "dynamicconfig: need dynamic server config for %s", server->dynamiclookuparg);
if (pipe(fd) > 0) {
- debug(DBG_ERR, "dynamicconfig: pipe error");
+ debugerrno(errno, DBG_ERR, "dynamicconfig: pipe error");
goto errexit;
}
pid = fork();
if (pid < 0) {
- debug(DBG_ERR, "dynamicconfig: fork error");
+ debugerrno(errno, DBG_ERR, "dynamicconfig: fork error");
+ close(fd[0]);
+ close(fd[1]);
goto errexit;
} else if (pid == 0) {
/* child */
close(fd[1]);
}
if (execlp(conf->dynamiclookupcommand, conf->dynamiclookupcommand, server->dynamiclookuparg, NULL) < 0)
- debugx(1, DBG_ERR, "dynamicconfig: exec error for command %s", conf->dynamiclookupcommand);
- }
-
- close(fd[1]);
- pushgconffile(&cf, fdopen(fd[0], "r"), conf->dynamiclookupcommand);
- ok = getgenericconfig(&cf, NULL,
- "Server", CONF_CBK, confserver_cb, (void *)conf,
- NULL
- );
- freegconf(&cf);
-
- if (waitpid(pid, &status, 0) < 0) {
- debug(DBG_ERR, "dynamicconfig: wait error");
- goto errexit;
- }
-
- if (status) {
- debug(DBG_INFO, "dynamicconfig: command exited with status %d", WEXITSTATUS(status));
- goto errexit;
- }
-
- if (ok)
- return;
-
- errexit:
- server->conf = NULL;
- debug(DBG_WARN, "dynamicconfig: failed to obtain dynamic server config");
-}
-
-int addmatchcertattr(struct clsrvconf *conf) {
- char *v;
- regex_t **r;
-
- if (!strncasecmp(conf->matchcertattr, "CN:/", 4)) {
- r = &conf->certcnregex;
- v = conf->matchcertattr + 4;
- } else if (!strncasecmp(conf->matchcertattr, "SubjectAltName:URI:/", 20)) {
- r = &conf->certuriregex;
- v = conf->matchcertattr + 20;
- } else
- return 0;
- if (!*v)
- return 0;
- /* regexp, remove optional trailing / if present */
- if (v[strlen(v) - 1] == '/')
- v[strlen(v) - 1] = '\0';
- if (!*v)
- return 0;
-
- *r = malloc(sizeof(regex_t));
- if (!*r) {
- debug(DBG_ERR, "malloc failed");
- return 0;
- }
- if (regcomp(*r, v, REG_ICASE | REG_NOSUB)) {
- free(*r);
- *r = NULL;
- debug(DBG_ERR, "failed to compile regular expression %s", v);
- return 0;
- }
- return 1;
-}
-
-int addrewriteattr(struct clsrvconf *conf) {
- char *v, *w;
-
- v = conf->rewriteattr + 11;
- if (strncasecmp(conf->rewriteattr, "User-Name:/", 11) || !*v)
- return 0;
- /* regexp, remove optional trailing / if present */
- if (v[strlen(v) - 1] == '/')
- v[strlen(v) - 1] = '\0';
-
- w = strchr(v, '/');
- if (!*w)
- return 0;
- *w = '\0';
- w++;
-
- conf->rewriteattrregex = malloc(sizeof(regex_t));
- if (!conf->rewriteattrregex) {
- debug(DBG_ERR, "malloc failed");
- return 0;
+ debugx(1, DBG_ERR, "dynamicconfig: exec error for command %s", conf->dynamiclookupcommand);
}
- conf->rewriteattrreplacement = stringcopy(w, 0);
- if (!conf->rewriteattrreplacement) {
- free(conf->rewriteattrregex);
- conf->rewriteattrregex = NULL;
- return 0;
+ close(fd[1]);
+ pushgconffile(&cf, fdopen(fd[0], "r"), conf->dynamiclookupcommand);
+ ok = getgenericconfig(&cf, NULL,
+ "Server", CONF_CBK, confserver_cb, (void *)conf,
+ NULL
+ );
+ freegconf(&cf);
+
+ if (waitpid(pid, &status, 0) < 0) {
+ debugerrno(errno, DBG_ERR, "dynamicconfig: wait error");
+ goto errexit;
}
-
- if (regcomp(conf->rewriteattrregex, v, REG_ICASE | REG_EXTENDED)) {
- free(conf->rewriteattrregex);
- conf->rewriteattrregex = NULL;
- free(conf->rewriteattrreplacement);
- conf->rewriteattrreplacement = NULL;
- debug(DBG_ERR, "failed to compile regular expression %s", v);
- return 0;
+
+ if (status) {
+ debug(DBG_INFO, "dynamicconfig: command exited with status %d", WEXITSTATUS(status));
+ goto errexit;
}
- return 1;
+ if (ok)
+ return 1;
+
+errexit:
+ debug(DBG_WARN, "dynamicconfig: failed to obtain dynamic server config");
+ return 0;
}
/* should accept both names and numeric values, only numeric right now */
uint8_t attrname2val(char *attrname) {
int val = 0;
-
+
val = atoi(attrname);
return val > 0 && val < 256 ? val : 0;
}
+/* ATTRNAME is on the form vendor[:type].
+ If only vendor is found, TYPE is set to 256 and 1 is returned.
+ If type is >= 256, 1 is returned.
+ Otherwise, 0 is returned.
+*/
/* should accept both names and numeric values, only numeric right now */
int vattrname2val(char *attrname, uint32_t *vendor, uint32_t *type) {
char *s;
-
+
*vendor = atoi(attrname);
s = strchr(attrname, ':');
- if (!s) {
- *type = -1;
+ if (!s) { /* Only vendor was found. */
+ *type = 256;
return 1;
}
*type = atoi(s + 1);
- return *type >= 0 && *type < 256;
+ return *type < 256;
}
-struct rewrite *getrewrite(char *alt1, char *alt2) {
- struct list_node *entry;
- struct rewriteconf *r, *r1 = NULL, *r2 = NULL;
-
- for (entry = list_first(rewriteconfs); entry; entry = list_next(entry)) {
- r = (struct rewriteconf *)entry->data;
- if (!strcasecmp(r->name, alt1)) {
- r1 = r;
- break;
- }
- if (!r2 && alt2 && !strcasecmp(r->name, alt2))
- r2 = r;
+/** Extract attributes from string NAMEVAL, create a struct tlv and
+ * return the tlv. If VENDOR_FLAG, NAMEVAL is on the form
+ * "<vendor>:<name>:<val>" and otherwise it's "<name>:<val>". Return
+ * NULL if fields are missing or if conversion fails.
+ *
+ * FIXME: Should accept both names and numeric values, only numeric
+ * right now */
+struct tlv *extractattr(char *nameval, char vendor_flag) {
+ int len, name = 0;
+ int vendor = 0; /* Vendor 0 is reserved, see RFC 1700. */
+ char *s, *s2;
+ struct tlv *a;
+
+ s = strchr(nameval, ':');
+ if (!s)
+ return NULL;
+ name = atoi(nameval);
+
+ if (vendor_flag) {
+ s2 = strchr(s + 1, ':');
+ if (!s2)
+ return NULL;
+ vendor = name;
+ name = atoi(s + 1);
+ s = s2;
}
+ len = strlen(s + 1);
+ if (len > 253)
+ return NULL;
- r = (r1 ? r1 : r2);
- if (!r)
+ if (name < 1 || name > 255)
+ return NULL;
+ a = malloc(sizeof(struct tlv));
+ if (!a)
+ return NULL;
+
+ a->v = (uint8_t *)stringcopy(s + 1, 0);
+ if (!a->v) {
+ free(a);
+ return NULL;
+ }
+ a->t = name;
+ a->l = len;
+
+ if (vendor_flag)
+ a = makevendortlv(vendor, a);
+
+ return a;
+}
+
+/* should accept both names and numeric values, only numeric right now */
+struct modattr *extractmodattr(char *nameval) {
+ int name = 0;
+ char *s, *t;
+ struct modattr *m;
+
+ if (!strncasecmp(nameval, "User-Name:/", 11)) {
+ s = nameval + 11;
+ name = 1;
+ } else {
+ s = strchr(nameval, ':');
+ name = atoi(nameval);
+ if (!s || name < 1 || name > 255 || s[1] != '/')
+ return NULL;
+ s += 2;
+ }
+ /* regexp, remove optional trailing / if present */
+ if (s[strlen(s) - 1] == '/')
+ s[strlen(s) - 1] = '\0';
+
+ t = strchr(s, '/');
+ if (!t)
+ return NULL;
+ *t = '\0';
+ t++;
+
+ m = malloc(sizeof(struct modattr));
+ if (!m) {
+ debug(DBG_ERR, "malloc failed");
+ return NULL;
+ }
+ m->t = name;
+
+ m->replacement = stringcopy(t, 0);
+ if (!m->replacement) {
+ free(m);
+ debug(DBG_ERR, "malloc failed");
+ return NULL;
+ }
+
+ m->regex = malloc(sizeof(regex_t));
+ if (!m->regex) {
+ free(m->replacement);
+ free(m);
+ debug(DBG_ERR, "malloc failed");
+ return NULL;
+ }
+
+ if (regcomp(m->regex, s, REG_ICASE | REG_EXTENDED)) {
+ free(m->regex);
+ free(m->replacement);
+ free(m);
+ debug(DBG_ERR, "failed to compile regular expression %s", s);
return NULL;
- return r->rewrite;
+ }
+
+ return m;
+}
+
+struct rewrite *getrewrite(char *alt1, char *alt2) {
+ struct rewrite *r;
+
+ if ((r = hash_read(rewriteconfs, alt1, strlen(alt1))))
+ return r;
+ if ((r = hash_read(rewriteconfs, alt2, strlen(alt2))))
+ return r;
+ return NULL;
}
-void addrewrite(char *value, char **attrs, char **vattrs) {
- struct rewriteconf *new;
+void addrewrite(char *value, char **rmattrs, char **rmvattrs, char **addattrs, char **addvattrs, char **modattrs)
+{
struct rewrite *rewrite = NULL;
int i, n;
- uint8_t *a = NULL;
- uint32_t *p, *va = NULL;
+ uint8_t *rma = NULL;
+ uint32_t *p, *rmva = NULL;
+ struct list *adda = NULL, *moda = NULL;
+ struct tlv *a;
+ struct modattr *m;
+
+ if (rmattrs) {
+ for (n = 0; rmattrs[n]; n++);
+ rma = calloc(n + 1, sizeof(uint8_t));
+ if (!rma)
+ debugx(1, DBG_ERR, "malloc failed");
- if (attrs) {
- n = 0;
- for (; attrs[n]; n++);
- a = malloc((n + 1) * sizeof(uint8_t));
- if (!a)
+ for (i = 0; i < n; i++)
+ if (!(rma[i] = attrname2val(rmattrs[i])))
+ debugx(1, DBG_ERR, "addrewrite: removing invalid attribute %s", rmattrs[i]);
+ freegconfmstr(rmattrs);
+ rma[i] = 0;
+ }
+
+ if (rmvattrs) {
+ for (n = 0; rmvattrs[n]; n++);
+ rmva = calloc(2 * n + 1, sizeof(uint32_t));
+ if (!rmva)
+ debugx(1, DBG_ERR, "malloc failed");
+
+ for (p = rmva, i = 0; i < n; i++, p += 2)
+ if (!vattrname2val(rmvattrs[i], p, p + 1))
+ debugx(1, DBG_ERR, "addrewrite: removing invalid vendor attribute %s", rmvattrs[i]);
+ freegconfmstr(rmvattrs);
+ *p = 0;
+ }
+
+ if (addattrs) {
+ adda = list_create();
+ if (!adda)
debugx(1, DBG_ERR, "malloc failed");
-
- for (i = 0; i < n; i++) {
- if (!(a[i] = attrname2val(attrs[i])))
- debugx(1, DBG_ERR, "addrewrite: invalid attribute %s", attrs[i]);
- free(attrs[i]);
- }
- free(attrs);
- a[i] = 0;
- }
-
- if (vattrs) {
- n = 0;
- for (; vattrs[n]; n++);
- va = malloc((2 * n + 1) * sizeof(uint32_t));
- if (!va)
+ for (i = 0; addattrs[i]; i++) {
+ a = extractattr(addattrs[i], 0);
+ if (!a)
+ debugx(1, DBG_ERR, "addrewrite: adding invalid attribute %s", addattrs[i]);
+ if (!list_push(adda, a))
+ debugx(1, DBG_ERR, "malloc failed");
+ }
+ freegconfmstr(addattrs);
+ }
+
+ if (addvattrs) {
+ if (!adda)
+ adda = list_create();
+ if (!adda)
debugx(1, DBG_ERR, "malloc failed");
-
- for (p = va, i = 0; i < n; i++, p += 2) {
- if (!vattrname2val(vattrs[i], p, p + 1))
- debugx(1, DBG_ERR, "addrewrite: invalid vendor attribute %s", vattrs[i]);
- free(vattrs[i]);
+ for (i = 0; addvattrs[i]; i++) {
+ a = extractattr(addvattrs[i], 1);
+ if (!a)
+ debugx(1, DBG_ERR, "addrewrite: adding invalid vendor attribute %s", addvattrs[i]);
+ if (!list_push(adda, a))
+ debugx(1, DBG_ERR, "malloc failed");
}
- free(vattrs);
- *p = 0;
+ freegconfmstr(addvattrs);
+ }
+
+ if (modattrs) {
+ moda = list_create();
+ if (!moda)
+ debugx(1, DBG_ERR, "malloc failed");
+ for (i = 0; modattrs[i]; i++) {
+ m = extractmodattr(modattrs[i]);
+ if (!m)
+ debugx(1, DBG_ERR, "addrewrite: modifying invalid attribute %s", modattrs[i]);
+ if (!list_push(moda, m))
+ debugx(1, DBG_ERR, "malloc failed");
+ }
+ freegconfmstr(modattrs);
}
-
- if (a || va) {
+
+ if (rma || rmva || adda || moda) {
rewrite = malloc(sizeof(struct rewrite));
if (!rewrite)
debugx(1, DBG_ERR, "malloc failed");
- rewrite->removeattrs = a;
- rewrite->removevendorattrs = va;
+ rewrite->removeattrs = rma;
+ rewrite->removevendorattrs = rmva;
+ rewrite->addattrs = adda;
+ rewrite->modattrs = moda;
}
-
- new = malloc(sizeof(struct rewriteconf));
- if (!new || !list_push(rewriteconfs, new))
- debugx(1, DBG_ERR, "malloc failed");
- memset(new, 0, sizeof(struct rewriteconf));
- new->name = stringcopy(value, 0);
- if (!new->name)
+ if (!hash_insert(rewriteconfs, value, strlen(value), rewrite))
debugx(1, DBG_ERR, "malloc failed");
-
- new->rewrite = rewrite;
debug(DBG_DBG, "addrewrite: added rewrite block %s", value);
}
+int setttlattr(struct options *opts, char *defaultattr) {
+ char *ttlattr = opts->ttlattr ? opts->ttlattr : defaultattr;
+
+ if (vattrname2val(ttlattr, opts->ttlattrtype, opts->ttlattrtype + 1) &&
+ (opts->ttlattrtype[1] != 256 || opts->ttlattrtype[0] < 256))
+ return 1;
+ debug(DBG_ERR, "setttlattr: invalid TTLAttribute value %s", ttlattr);
+ return 0;
+}
+
void freeclsrvconf(struct clsrvconf *conf) {
free(conf->name);
- free(conf->conftype);
- free(conf->host);
- free(conf->port);
+ if (conf->hostsrc)
+ freegconfmstr(conf->hostsrc);
+ free(conf->portsrc);
free(conf->secret);
free(conf->tls);
free(conf->matchcertattr);
regfree(conf->certcnregex);
if (conf->certuriregex)
regfree(conf->certuriregex);
- free(conf->confrewrite);
- free(conf->rewriteattr);
- if (conf->rewriteattrregex)
- regfree(conf->rewriteattrregex);
- free(conf->rewriteattrreplacement);
+ free(conf->confrewritein);
+ free(conf->confrewriteout);
+ if (conf->rewriteusername) {
+ if (conf->rewriteusername->regex)
+ regfree(conf->rewriteusername->regex);
+ free(conf->rewriteusername->replacement);
+ free(conf->rewriteusername);
+ }
free(conf->dynamiclookupcommand);
- if (conf->ssl_ctx)
- SSL_CTX_free(conf->ssl_ctx);
- free(conf->rewrite);
- if (conf->addrinfo)
- freeaddrinfo(conf->addrinfo);
- list_destroy(conf->clients);
- free(conf->servers);
+ free(conf->rewritein);
+ free(conf->rewriteout);
+ if (conf->hostports)
+ freehostports(conf->hostports);
+ if (conf->lock) {
+ pthread_mutex_destroy(conf->lock);
+ free(conf->lock);
+ }
+ /* not touching ssl_ctx, clients and servers */
free(conf);
}
int mergeconfstring(char **dst, char **src) {
char *t;
-
+
if (*src) {
*dst = *src;
*src = NULL;
return 1;
}
+char **mstringcopy(char **in) {
+ char **out;
+ int n;
+
+ if (!in)
+ return NULL;
+
+ for (n = 0; in[n]; n++);
+ out = malloc((n + 1) * sizeof(char *));
+ if (!out)
+ return NULL;
+ for (n = 0; in[n]; n++) {
+ out[n] = stringcopy(in[n], 0);
+ if (!out[n]) {
+ freegconfmstr(out);
+ return NULL;
+ }
+ }
+ out[n] = NULL;
+ return out;
+}
+
+int mergeconfmstring(char ***dst, char ***src) {
+ char **t;
+
+ if (*src) {
+ *dst = *src;
+ *src = NULL;
+ return 1;
+ }
+ if (*dst) {
+ t = mstringcopy(*dst);
+ if (!t) {
+ debug(DBG_ERR, "malloc failed");
+ return 0;
+ }
+ *dst = t;
+ }
+ return 1;
+}
+
/* assumes dst is a shallow copy */
int mergesrvconf(struct clsrvconf *dst, struct clsrvconf *src) {
if (!mergeconfstring(&dst->name, &src->name) ||
- !mergeconfstring(&dst->conftype, &src->conftype) ||
- !mergeconfstring(&dst->host, &src->host) ||
- !mergeconfstring(&dst->port, &src->port) ||
+ !mergeconfmstring(&dst->hostsrc, &src->hostsrc) ||
+ !mergeconfstring(&dst->portsrc, &src->portsrc) ||
!mergeconfstring(&dst->secret, &src->secret) ||
!mergeconfstring(&dst->tls, &src->tls) ||
!mergeconfstring(&dst->matchcertattr, &src->matchcertattr) ||
- !mergeconfstring(&dst->confrewrite, &src->confrewrite))
+ !mergeconfstring(&dst->confrewritein, &src->confrewritein) ||
+ !mergeconfstring(&dst->confrewriteout, &src->confrewriteout) ||
+ !mergeconfstring(&dst->dynamiclookupcommand, &src->dynamiclookupcommand))
return 0;
+ if (src->pdef)
+ dst->pdef = src->pdef;
dst->statusserver = src->statusserver;
dst->certnamecheck = src->certnamecheck;
+ if (src->retryinterval != 255)
+ dst->retryinterval = src->retryinterval;
+ if (src->retrycount != 255)
+ dst->retrycount = src->retrycount;
return 1;
}
-
+
int confclient_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
struct clsrvconf *conf;
-
+ char *conftype = NULL, *rewriteinalias = NULL;
+ long int dupinterval = LONG_MIN, addttl = LONG_MIN;
+
debug(DBG_DBG, "confclient_cb called for %s", block);
conf = malloc(sizeof(struct clsrvconf));
- if (!conf || !list_push(clconfs, conf))
+ if (!conf)
debugx(1, DBG_ERR, "malloc failed");
memset(conf, 0, sizeof(struct clsrvconf));
conf->certnamecheck = 1;
-
+
if (!getgenericconfig(cf, block,
- "type", CONF_STR, &conf->conftype,
- "host", CONF_STR, &conf->host,
- "secret", CONF_STR, &conf->secret,
- "tls", CONF_STR, &conf->tls,
- "matchcertificateattribute", CONF_STR, &conf->matchcertattr,
- "CertificateNameCheck", CONF_BLN, &conf->certnamecheck,
- "rewrite", CONF_STR, &conf->confrewrite,
- "rewriteattribute", CONF_STR, &conf->rewriteattr,
- NULL
- ))
+ "type", CONF_STR, &conftype,
+ "host", CONF_MSTR, &conf->hostsrc,
+ "secret", CONF_STR, &conf->secret,
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
+ "tls", CONF_STR, &conf->tls,
+ "matchcertificateattribute", CONF_STR, &conf->matchcertattr,
+ "CertificateNameCheck", CONF_BLN, &conf->certnamecheck,
+#endif
+ "DuplicateInterval", CONF_LINT, &dupinterval,
+ "addTTL", CONF_LINT, &addttl,
+ "rewrite", CONF_STR, &rewriteinalias,
+ "rewriteIn", CONF_STR, &conf->confrewritein,
+ "rewriteOut", CONF_STR, &conf->confrewriteout,
+ "rewriteattribute", CONF_STR, &conf->confrewriteusername,
+ NULL
+ ))
debugx(1, DBG_ERR, "configuration error");
-
+
conf->name = stringcopy(val, 0);
- if (!conf->host)
- conf->host = stringcopy(val, 0);
-
- if (conf->conftype && !strcasecmp(conf->conftype, "udp")) {
- conf->type = 'U';
- client_udp_count++;
- } else if (conf->conftype && !strcasecmp(conf->conftype, "tls")) {
- conf->ssl_ctx = conf->tls ? tlsgetctx(conf->tls, NULL) : tlsgetctx("defaultclient", "default");
- if (!conf->ssl_ctx)
+ if (conf->name && !conf->hostsrc) {
+ conf->hostsrc = malloc(2 * sizeof(char *));
+ if (conf->hostsrc) {
+ conf->hostsrc[0] = stringcopy(val, 0);
+ conf->hostsrc[1] = NULL;
+ }
+ }
+ if (!conf->name || !conf->hostsrc || !conf->hostsrc[0])
+ debugx(1, DBG_ERR, "malloc failed");
+
+ if (!conftype)
+ debugx(1, DBG_ERR, "error in block %s, option type missing", block);
+ conf->type = protoname2int(conftype);
+ if (conf->type == 255)
+ debugx(1, DBG_ERR, "error in block %s, unknown transport %s", block, conftype);
+ free(conftype);
+ conf->pdef = protodefs[conf->type];
+
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
+ if (conf->type == RAD_TLS || conf->type == RAD_DTLS) {
+ conf->tlsconf = conf->tls ? tlsgettls(conf->tls, NULL) : tlsgettls("defaultclient", "default");
+ if (!conf->tlsconf)
debugx(1, DBG_ERR, "error in block %s, no tls context defined", block);
if (conf->matchcertattr && !addmatchcertattr(conf))
debugx(1, DBG_ERR, "error in block %s, invalid MatchCertificateAttributeValue", block);
- conf->type = 'T';
- client_tls_count++;
+ }
+#endif
+
+ if (dupinterval != LONG_MIN) {
+ if (dupinterval < 0 || dupinterval > 255)
+ debugx(1, DBG_ERR, "error in block %s, value of option DuplicateInterval is %d, must be 0-255", block, dupinterval);
+ conf->dupinterval = (uint8_t)dupinterval;
} else
- debugx(1, DBG_ERR, "error in block %s, type must be set to UDP or TLS", block);
-
- conf->rewrite = conf->confrewrite ? getrewrite(conf->confrewrite, NULL) : getrewrite("defaultclient", "default");
-
- if (conf->rewriteattr) {
- if (!addrewriteattr(conf))
+ conf->dupinterval = conf->pdef->duplicateintervaldefault;
+
+ if (addttl != LONG_MIN) {
+ if (addttl < 1 || addttl > 255)
+ debugx(1, DBG_ERR, "error in block %s, value of option addTTL is %d, must be 1-255", block, addttl);
+ conf->addttl = (uint8_t)addttl;
+ }
+
+ if (!conf->confrewritein)
+ conf->confrewritein = rewriteinalias;
+ else
+ free(rewriteinalias);
+ conf->rewritein = conf->confrewritein ? getrewrite(conf->confrewritein, NULL) : getrewrite("defaultclient", "default");
+ if (conf->confrewriteout)
+ conf->rewriteout = getrewrite(conf->confrewriteout, NULL);
+
+ if (conf->confrewriteusername) {
+ conf->rewriteusername = extractmodattr(conf->confrewriteusername);
+ if (!conf->rewriteusername)
debugx(1, DBG_ERR, "error in block %s, invalid RewriteAttributeValue", block);
}
-
- if (!resolvepeer(conf, 0))
- debugx(1, DBG_ERR, "failed to resolve host %s port %s, exiting", conf->host ? conf->host : "(null)", conf->port ? conf->port : "(null)");
-
+
+ if (!addhostport(&conf->hostports, conf->hostsrc, conf->pdef->portdefault, 1) ||
+ !resolvehostports(conf->hostports, conf->pdef->socktype))
+ debugx(1, DBG_ERR, "resolve failed, exiting");
+
if (!conf->secret) {
- if (conf->type == 'U')
- debugx(1, DBG_ERR, "error in block %s, secret must be specified for UDP", block);
- conf->secret = stringcopy(DEFAULT_TLS_SECRET, 0);
+ if (!conf->pdef->secretdefault)
+ debugx(1, DBG_ERR, "error in block %s, secret must be specified for transport type %s", block, conf->pdef->name);
+ conf->secret = stringcopy(conf->pdef->secretdefault, 0);
+ if (!conf->secret)
+ debugx(1, DBG_ERR, "malloc failed");
}
+
+ conf->lock = malloc(sizeof(pthread_mutex_t));
+ if (!conf->lock)
+ debugx(1, DBG_ERR, "malloc failed");
+
+ pthread_mutex_init(conf->lock, NULL);
+ if (!list_push(clconfs, conf))
+ debugx(1, DBG_ERR, "malloc failed");
return 1;
}
int compileserverconfig(struct clsrvconf *conf, const char *block) {
- switch (conf->type) {
- case 'U':
- if (!conf->port)
- conf->port = stringcopy(DEFAULT_UDP_PORT, 0);
- break;
- case 'T':
- conf->ssl_ctx = conf->tls ? tlsgetctx(conf->tls, NULL) : tlsgetctx("defaultserver", "default");
- if (!conf->ssl_ctx) {
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
+ if (conf->type == RAD_TLS || conf->type == RAD_DTLS) {
+ conf->tlsconf = conf->tls ? tlsgettls(conf->tls, NULL) : tlsgettls("defaultserver", "default");
+ if (!conf->tlsconf) {
debug(DBG_ERR, "error in block %s, no tls context defined", block);
return 0;
}
debug(DBG_ERR, "error in block %s, invalid MatchCertificateAttributeValue", block);
return 0;
}
- if (!conf->port)
- conf->port = stringcopy(DEFAULT_TLS_PORT, 0);
- break;
}
-
- conf->rewrite = conf->confrewrite ? getrewrite(conf->confrewrite, NULL) : getrewrite("defaultserver", "default");
-
- if (!conf->secret) {
- if (conf->type == 'U')
- debug(DBG_ERR, "error in block %s, secret must be specified for UDP", block);
- conf->secret = stringcopy(DEFAULT_TLS_SECRET, 0);
- if (!conf->secret) {
+#endif
+
+ if (!conf->portsrc) {
+ conf->portsrc = stringcopy(conf->pdef->portdefault, 0);
+ if (!conf->portsrc) {
debug(DBG_ERR, "malloc failed");
return 0;
}
}
-
- if (!conf->dynamiclookupcommand && !resolvepeer(conf, 0)) {
- debug(DBG_ERR, "failed to resolve host %s port %s, exiting", conf->host ? conf->host : "(null)", conf->port ? conf->port : "(null)");
+
+ if (conf->retryinterval == 255)
+ conf->retryinterval = conf->pdef->retryintervaldefault;
+ if (conf->retrycount == 255)
+ conf->retrycount = conf->pdef->retrycountdefault;
+
+ conf->rewritein = conf->confrewritein ? getrewrite(conf->confrewritein, NULL) : getrewrite("defaultserver", "default");
+ if (conf->confrewriteout)
+ conf->rewriteout = getrewrite(conf->confrewriteout, NULL);
+
+ if (!addhostport(&conf->hostports, conf->hostsrc, conf->portsrc, 0)) {
+ debug(DBG_ERR, "error in block %s, failed to parse %s", block, conf->hostsrc);
+ return 0;
+ }
+
+ if (!conf->dynamiclookupcommand && !resolvehostports(conf->hostports, conf->pdef->socktype)) {
+ debug(DBG_ERR, "resolve failed, exiting");
return 0;
}
return 1;
}
-
+
int confserver_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
struct clsrvconf *conf, *resconf;
-
+ char *conftype = NULL, *rewriteinalias = NULL;
+ long int retryinterval = LONG_MIN, retrycount = LONG_MIN, addttl = LONG_MIN;
+
debug(DBG_DBG, "confserver_cb called for %s", block);
conf = malloc(sizeof(struct clsrvconf));
return 0;
}
memset(conf, 0, sizeof(struct clsrvconf));
+ conf->loopprevention = UCHAR_MAX; /* Uninitialized. */
resconf = (struct clsrvconf *)arg;
if (resconf) {
conf->statusserver = resconf->statusserver;
conf->certnamecheck = resconf->certnamecheck;
} else
conf->certnamecheck = 1;
-
+
if (!getgenericconfig(cf, block,
- "type", CONF_STR, &conf->conftype,
- "host", CONF_STR, &conf->host,
- "port", CONF_STR, &conf->port,
- "secret", CONF_STR, &conf->secret,
- "tls", CONF_STR, &conf->tls,
- "MatchCertificateAttribute", CONF_STR, &conf->matchcertattr,
- "rewrite", CONF_STR, &conf->confrewrite,
- "StatusServer", CONF_BLN, &conf->statusserver,
- "CertificateNameCheck", CONF_BLN, &conf->certnamecheck,
- "DynamicLookupCommand", CONF_STR, &conf->dynamiclookupcommand,
- NULL
- )) {
+ "type", CONF_STR, &conftype,
+ "host", CONF_MSTR, &conf->hostsrc,
+ "port", CONF_STR, &conf->portsrc,
+ "secret", CONF_STR, &conf->secret,
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
+ "tls", CONF_STR, &conf->tls,
+ "MatchCertificateAttribute", CONF_STR, &conf->matchcertattr,
+ "CertificateNameCheck", CONF_BLN, &conf->certnamecheck,
+#endif
+ "addTTL", CONF_LINT, &addttl,
+ "rewrite", CONF_STR, &rewriteinalias,
+ "rewriteIn", CONF_STR, &conf->confrewritein,
+ "rewriteOut", CONF_STR, &conf->confrewriteout,
+ "StatusServer", CONF_BLN, &conf->statusserver,
+ "RetryInterval", CONF_LINT, &retryinterval,
+ "RetryCount", CONF_LINT, &retrycount,
+ "DynamicLookupCommand", CONF_STR, &conf->dynamiclookupcommand,
+ "LoopPrevention", CONF_BLN, &conf->loopprevention,
+ NULL
+ )) {
debug(DBG_ERR, "configuration error");
goto errexit;
}
-
+
conf->name = stringcopy(val, 0);
- if (!conf->name) {
+ if (conf->name && !conf->hostsrc) {
+ conf->hostsrc = malloc(2 * sizeof(char *));
+ if (conf->hostsrc) {
+ conf->hostsrc[0] = stringcopy(val, 0);
+ conf->hostsrc[1] = NULL;
+ }
+ }
+ if (!conf->name || !conf->hostsrc || !conf->hostsrc[0]) {
debug(DBG_ERR, "malloc failed");
goto errexit;
}
- if (!conf->host) {
- conf->host = stringcopy(val, 0);
- if (!conf->host) {
- debug(DBG_ERR, "malloc failed");
+
+ if (!conftype) {
+ debug(DBG_ERR, "error in block %s, option type missing", block);
+ goto errexit;
+ }
+ conf->type = protoname2int(conftype);
+ if (conf->type == 255) {
+ debug(DBG_ERR, "error in block %s, unknown transport %s", block, conftype);
+ goto errexit;
+ }
+ free(conftype);
+ conftype = NULL;
+
+ conf->pdef = protodefs[conf->type];
+
+ if (!conf->confrewritein)
+ conf->confrewritein = rewriteinalias;
+ else
+ free(rewriteinalias);
+ rewriteinalias = NULL;
+
+ if (retryinterval != LONG_MIN) {
+ if (retryinterval < 1 || retryinterval > conf->pdef->retryintervalmax) {
+ debug(DBG_ERR, "error in block %s, value of option RetryInterval is %d, must be 1-%d", block, retryinterval, conf->pdef->retryintervalmax);
goto errexit;
- }
+ }
+ conf->retryinterval = (uint8_t)retryinterval;
+ } else
+ conf->retryinterval = 255;
+
+ if (retrycount != LONG_MIN) {
+ if (retrycount < 0 || retrycount > conf->pdef->retrycountmax) {
+ debug(DBG_ERR, "error in block %s, value of option RetryCount is %d, must be 0-%d", block, retrycount, conf->pdef->retrycountmax);
+ goto errexit;
+ }
+ conf->retrycount = (uint8_t)retrycount;
+ } else
+ conf->retrycount = 255;
+
+ if (addttl != LONG_MIN) {
+ if (addttl < 1 || addttl > 255) {
+ debug(DBG_ERR, "error in block %s, value of option addTTL is %d, must be 1-255", block, addttl);
+ goto errexit;
+ }
+ conf->addttl = (uint8_t)addttl;
}
if (resconf) {
goto errexit;
free(conf);
conf = resconf;
+ if (conf->dynamiclookupcommand) {
+ free(conf->dynamiclookupcommand);
+ conf->dynamiclookupcommand = NULL;
+ }
}
- if (conf->conftype && !strcasecmp(conf->conftype, "udp"))
- conf->type = 'U';
- else if (conf->conftype && !strcasecmp(conf->conftype, "tls"))
- conf->type = 'T';
- else {
- debug(DBG_ERR, "error in block %s, type must be set to UDP or TLS", block);
- goto errexit;
- }
-
if (resconf || !conf->dynamiclookupcommand) {
if (!compileserverconfig(conf, block))
goto errexit;
}
-
+
+ if (!conf->secret) {
+ if (!conf->pdef->secretdefault) {
+ debug(DBG_ERR, "error in block %s, secret must be specified for transport type %s", block, conf->pdef->name);
+ return 0;
+ }
+ conf->secret = stringcopy(conf->pdef->secretdefault, 0);
+ if (!conf->secret) {
+ debug(DBG_ERR, "malloc failed");
+ return 0;
+ }
+ }
+
if (resconf)
return 1;
-
- switch (conf->type) {
- case 'U':
- server_udp_count++;
- break;
- case 'T':
- server_tls_count++;
- break;
- default:
- goto errexit;
- }
-
+
if (!list_push(srvconfs, conf)) {
debug(DBG_ERR, "malloc failed");
goto errexit;
}
return 1;
- errexit:
+errexit:
+ free(conftype);
+ free(rewriteinalias);
freeclsrvconf(conf);
return 0;
}
int confrealm_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
char **servers = NULL, **accservers = NULL, *msg = NULL;
-
+ uint8_t accresp = 0;
+
debug(DBG_DBG, "confrealm_cb called for %s", block);
-
+
if (!getgenericconfig(cf, block,
- "server", CONF_MSTR, &servers,
- "accountingServer", CONF_MSTR, &accservers,
- "ReplyMessage", CONF_STR, &msg,
- NULL
- ))
+ "server", CONF_MSTR, &servers,
+ "accountingServer", CONF_MSTR, &accservers,
+ "ReplyMessage", CONF_STR, &msg,
+ "AccountingResponse", CONF_BLN, &accresp,
+ NULL
+ ))
debugx(1, DBG_ERR, "configuration error");
- addrealm(realms, val, servers, accservers, msg);
+ addrealm(realms, val, servers, accservers, msg, accresp);
return 1;
}
-int conftls_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
- char *cacertfile = NULL, *cacertpath = NULL, *certfile = NULL, *certkeyfile = NULL, *certkeypwd = NULL;
-
- debug(DBG_DBG, "conftls_cb called for %s", block);
-
+int confrewrite_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
+ char **rmattrs = NULL, **rmvattrs = NULL;
+ char **addattrs = NULL, **addvattrs = NULL;
+ char **modattrs = NULL;
+
+ debug(DBG_DBG, "confrewrite_cb called for %s", block);
+
if (!getgenericconfig(cf, block,
- "CACertificateFile", CONF_STR, &cacertfile,
- "CACertificatePath", CONF_STR, &cacertpath,
- "CertificateFile", CONF_STR, &certfile,
- "CertificateKeyFile", CONF_STR, &certkeyfile,
- "CertificateKeyPassword", CONF_STR, &certkeypwd,
- NULL
- ))
+ "removeAttribute", CONF_MSTR, &rmattrs,
+ "removeVendorAttribute", CONF_MSTR, &rmvattrs,
+ "addAttribute", CONF_MSTR, &addattrs,
+ "addVendorAttribute", CONF_MSTR, &addvattrs,
+ "modifyAttribute", CONF_MSTR, &modattrs,
+ NULL
+ ))
debugx(1, DBG_ERR, "configuration error");
-
- tlsadd(val, cacertfile, cacertpath, certfile, certkeyfile, certkeypwd);
- free(cacertfile);
- free(cacertpath);
- free(certfile);
- free(certkeyfile);
- free(certkeypwd);
+ addrewrite(val, rmattrs, rmvattrs, addattrs, addvattrs, modattrs);
return 1;
}
-int confrewrite_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
- char **attrs = NULL, **vattrs = NULL;
-
- debug(DBG_DBG, "confrewrite_cb called for %s", block);
-
- if (!getgenericconfig(cf, block,
- "removeAttribute", CONF_MSTR, &attrs,
- "removeVendorAttribute", CONF_MSTR, &vattrs,
- NULL
- ))
- debugx(1, DBG_ERR, "configuration error");
- addrewrite(val, attrs, vattrs);
+int setprotoopts(uint8_t type, char **listenargs, char *sourcearg) {
+ struct commonprotoopts *protoopts;
+
+ protoopts = malloc(sizeof(struct commonprotoopts));
+ if (!protoopts)
+ return 0;
+ memset(protoopts, 0, sizeof(struct commonprotoopts));
+ protoopts->listenargs = listenargs;
+ protoopts->sourcearg = sourcearg;
+ protodefs[type]->setprotoopts(protoopts);
return 1;
}
void getmainconfig(const char *configfile) {
- char *loglevel = NULL;
+ long int addttl = LONG_MIN, loglevel = LONG_MIN;
struct gconffile *cfs;
+ char **listenargs[RAD_PROTOCOUNT];
+ char *sourcearg[RAD_PROTOCOUNT];
+ int i;
cfs = openconfigfile(configfile);
memset(&options, 0, sizeof(options));
-
+ memset(&listenargs, 0, sizeof(listenargs));
+ memset(&sourcearg, 0, sizeof(sourcearg));
+
clconfs = list_create();
if (!clconfs)
debugx(1, DBG_ERR, "malloc failed");
-
+
srvconfs = list_create();
if (!srvconfs)
debugx(1, DBG_ERR, "malloc failed");
-
+
realms = list_create();
if (!realms)
- debugx(1, DBG_ERR, "malloc failed");
-
- tlsconfs = list_create();
- if (!tlsconfs)
debugx(1, DBG_ERR, "malloc failed");
-
- rewriteconfs = list_create();
+
+ rewriteconfs = hash_create();
if (!rewriteconfs)
- debugx(1, DBG_ERR, "malloc failed");
-
+ debugx(1, DBG_ERR, "malloc failed");
+
if (!getgenericconfig(&cfs, NULL,
- "ListenUDP", CONF_STR, &options.listenudp,
- "ListenTCP", CONF_STR, &options.listentcp,
- "ListenAccountingUDP", CONF_STR, &options.listenaccudp,
- "SourceUDP", CONF_STR, &options.sourceudp,
- "SourceTCP", CONF_STR, &options.sourcetcp,
- "LogLevel", CONF_STR, &loglevel,
+#ifdef RADPROT_UDP
+ "ListenUDP", CONF_MSTR, &listenargs[RAD_UDP],
+ "SourceUDP", CONF_STR, &sourcearg[RAD_UDP],
+#endif
+#ifdef RADPROT_TCP
+ "ListenTCP", CONF_MSTR, &listenargs[RAD_TCP],
+ "SourceTCP", CONF_STR, &sourcearg[RAD_TCP],
+#endif
+#ifdef RADPROT_TLS
+ "ListenTLS", CONF_MSTR, &listenargs[RAD_TLS],
+ "SourceTLS", CONF_STR, &sourcearg[RAD_TLS],
+#endif
+#ifdef RADPROT_DTLS
+ "ListenDTLS", CONF_MSTR, &listenargs[RAD_DTLS],
+ "SourceDTLS", CONF_STR, &sourcearg[RAD_DTLS],
+#endif
+ "TTLAttribute", CONF_STR, &options.ttlattr,
+ "addTTL", CONF_LINT, &addttl,
+ "LogLevel", CONF_LINT, &loglevel,
"LogDestination", CONF_STR, &options.logdestination,
"LoopPrevention", CONF_BLN, &options.loopprevention,
"Client", CONF_CBK, confclient_cb, NULL,
"Server", CONF_CBK, confserver_cb, NULL,
"Realm", CONF_CBK, confrealm_cb, NULL,
+#if defined(RADPROT_TLS) || defined(RADPROT_DTLS)
"TLS", CONF_CBK, conftls_cb, NULL,
+#endif
"Rewrite", CONF_CBK, confrewrite_cb, NULL,
NULL
- ))
+ ))
debugx(1, DBG_ERR, "configuration error");
-
- if (loglevel) {
- if (strlen(loglevel) != 1 || *loglevel < '1' || *loglevel > '4')
- debugx(1, DBG_ERR, "error in %s, value of option LogLevel is %s, must be 1, 2, 3 or 4", configfile, loglevel);
- options.loglevel = *loglevel - '0';
- free(loglevel);
+
+ if (loglevel != LONG_MIN) {
+ if (loglevel < 1 || loglevel > 5)
+ debugx(1, DBG_ERR, "error in %s, value of option LogLevel is %d, must be 1, 2, 3, 4 or 5", configfile, loglevel);
+ options.loglevel = (uint8_t)loglevel;
}
+ if (addttl != LONG_MIN) {
+ if (addttl < 1 || addttl > 255)
+ debugx(1, DBG_ERR, "error in %s, value of option addTTL is %d, must be 1-255", configfile, addttl);
+ options.addttl = (uint8_t)addttl;
+ }
+ if (!setttlattr(&options, DEFAULT_TTL_ATTR))
+ debugx(1, DBG_ERR, "Failed to set TTLAttribute, exiting");
+
+ for (i = 0; i < RAD_PROTOCOUNT; i++)
+ if (listenargs[i] || sourcearg[i])
+ setprotoopts(i, listenargs[i], sourcearg[i]);
}
-void getargs(int argc, char **argv, uint8_t *foreground, uint8_t *pretend, uint8_t *loglevel, char **configfile) {
+void getargs(int argc, char **argv, uint8_t *foreground, uint8_t *pretend, uint8_t *loglevel, char **configfile, char **pidfile) {
int c;
- while ((c = getopt(argc, argv, "c:d:fpv")) != -1) {
+ while ((c = getopt(argc, argv, "c:d:i:fpv")) != -1) {
switch (c) {
case 'c':
*configfile = optarg;
break;
case 'd':
- if (strlen(optarg) != 1 || *optarg < '1' || *optarg > '4')
- debugx(1, DBG_ERR, "Debug level must be 1, 2, 3 or 4, not %s", optarg);
+ if (strlen(optarg) != 1 || *optarg < '1' || *optarg > '5')
+ debugx(1, DBG_ERR, "Debug level must be 1, 2, 3, 4 or 5, not %s", optarg);
*loglevel = *optarg - '0';
break;
case 'f':
*foreground = 1;
break;
+ case 'i':
+ *pidfile = optarg;
+ break;
case 'p':
*pretend = 1;
break;
case 'v':
- debugx(0, DBG_ERR, "radsecproxy revision $Rev$");
+ debug(DBG_ERR, "radsecproxy revision %s", PACKAGE_VERSION);
+ debug(DBG_ERR, "This binary was built with support for the following transports:");
+#ifdef RADPROT_UDP
+ debug(DBG_ERR, " UDP");
+#endif
+#ifdef RADPROT_TCP
+ debug(DBG_ERR, " TCP");
+#endif
+#ifdef RADPROT_TLS
+ debug(DBG_ERR, " TLS");
+#endif
+#ifdef RADPROT_DTLS
+ debug(DBG_ERR, " DTLS");
+#endif
+ exit(0);
default:
goto usage;
}
if (!(argc - optind))
return;
- usage:
- debugx(1, DBG_ERR, "Usage:\n%s [ -c configfile ] [ -d debuglevel ] [ -f ] [ -p ] [ -v ]", argv[0]);
+usage:
+ debugx(1, DBG_ERR, "Usage:\n%s [ -c configfile ] [ -d debuglevel ] [ -f ] [ -i pidfile ] [ -p ] [ -v ]", argv[0]);
}
#ifdef SYS_SOLARIS9
for(;;) {
sigemptyset(&sigset);
+ sigaddset(&sigset, SIGHUP);
sigaddset(&sigset, SIGPIPE);
sigwait(&sigset, &sig);
- /* only get SIGPIPE right now, so could simplify below code */
switch (sig) {
case 0:
/* completely ignoring this */
break;
+ case SIGHUP:
+ debug(DBG_INFO, "sighandler: got SIGHUP");
+ debug_reopen_log();
+ break;
case SIGPIPE:
debug(DBG_WARN, "sighandler: got SIGPIPE, TLS write error?");
break;
}
}
+int createpidfile(const char *pidfile) {
+ int r = 0;
+ FILE *f = fopen(pidfile, "w");
+ if (f)
+ r = fprintf(f, "%ld\n", (long) getpid());
+ return f && !fclose(f) && r >= 0;
+}
+
int main(int argc, char **argv) {
- pthread_t sigth, udpserverth, udpaccserverth, udpclient4rdth, udpclient6rdth;
+ pthread_t sigth;
sigset_t sigset;
struct list_node *entry;
uint8_t foreground = 0, pretend = 0, loglevel = 0;
- char *configfile = NULL;
+ char *configfile = NULL, *pidfile = NULL;
struct clsrvconf *srvconf;
-
+ int i;
+
debug_init("radsecproxy");
debug_set_level(DEBUG_LEVEL);
- getargs(argc, argv, &foreground, &pretend, &loglevel, &configfile);
+
+ for (i = 0; i < RAD_PROTOCOUNT; i++)
+ protodefs[i] = protoinits[i](i);
+
+ /* needed even if no TLS/DTLS transport */
+ sslinit();
+
+ getargs(argc, argv, &foreground, &pretend, &loglevel, &configfile, &pidfile);
if (loglevel)
debug_set_level(loglevel);
getmainconfig(configfile ? configfile : CONFIG_MAIN);
options.loglevel = loglevel;
else if (options.loglevel)
debug_set_level(options.loglevel);
- if (foreground) {
- free(options.logdestination);
- options.logdestination = NULL;
- } else {
- if (!options.logdestination)
- options.logdestination = "x-syslog:///";
- debug_set_destination(options.logdestination);
- free(options.logdestination);
- }
+ if (!foreground)
+ debug_set_destination(options.logdestination ? options.logdestination : "x-syslog:///");
+ free(options.logdestination);
if (!list_first(clconfs))
debugx(1, DBG_ERR, "No clients configured, nothing to do, exiting");
- if (!list_first(srvconfs))
- debugx(1, DBG_ERR, "No servers configured, nothing to do, exiting");
if (!list_first(realms))
debugx(1, DBG_ERR, "No realms configured, nothing to do, exiting");
if (!foreground && (daemon(0, 0) < 0))
debugx(1, DBG_ERR, "daemon() failed: %s", strerror(errno));
-
- debug(DBG_INFO, "radsecproxy revision $Rev$ starting");
+
+ debug_timestamp_on();
+ debug(DBG_INFO, "radsecproxy revision %s starting", PACKAGE_VERSION);
+ if (pidfile && !createpidfile(pidfile))
+ debugx(1, DBG_ERR, "failed to create pidfile %s: %s", pidfile, strerror(errno));
sigemptyset(&sigset);
- /* exit on all but SIGPIPE, ignore more? */
+ /* exit on all but SIGHUP|SIGPIPE, ignore more? */
+ sigaddset(&sigset, SIGHUP);
sigaddset(&sigset, SIGPIPE);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
pthread_create(&sigth, NULL, sighandler, NULL);
-
- if (client_udp_count) {
- udp_server_replyq = newreplyq();
- if (pthread_create(&udpserverth, NULL, udpserverrd, NULL))
- debugx(1, DBG_ERR, "pthread_create failed");
- if (options.listenaccudp)
- if (pthread_create(&udpaccserverth, NULL, udpaccserverrd, NULL))
- debugx(1, DBG_ERR, "pthread_create failed");
- }
-
+
for (entry = list_first(srvconfs); entry; entry = list_next(entry)) {
srvconf = (struct clsrvconf *)entry->data;
if (srvconf->dynamiclookupcommand)
(void *)(srvconf->servers)))
debugx(1, DBG_ERR, "pthread_create failed");
}
- /* srcudpres no longer needed, while srctcpres is needed later */
- if (srcudpres) {
- freeaddrinfo(srcudpres);
- srcudpres = NULL;
+
+ for (i = 0; i < RAD_PROTOCOUNT; i++) {
+ if (!protodefs[i])
+ continue;
+ if (protodefs[i]->initextra)
+ protodefs[i]->initextra();
+ if (find_clconf_type(i, NULL))
+ createlisteners(i);
}
- if (udp_client4_sock >= 0)
- if (pthread_create(&udpclient4rdth, NULL, udpclientrd, (void *)&udp_client4_sock))
- debugx(1, DBG_ERR, "pthread_create failed");
- if (udp_client6_sock >= 0)
- if (pthread_create(&udpclient6rdth, NULL, udpclientrd, (void *)&udp_client6_sock))
- debugx(1, DBG_ERR, "pthread_create failed");
-
- if (client_tls_count)
- return tlslistener();
-
+
/* just hang around doing nothing, anything to do here? */
for (;;)
sleep(1000);
}
+
+/* Local Variables: */
+/* c-file-style: "stroustrup" */
+/* End: */
projects / libradsec.git / blobdiff