/*
- * 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
/* 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
* 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
#endif
#include <sys/time.h>
#include <sys/types.h>
-#include <sys/select.h>
#include <ctype.h>
#include <sys/wait.h>
#include <arpa/inet.h>
#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"
static struct options options;
static struct list *clconfs, *srvconfs;
-struct list *realms;
-struct hash *tlsconfs, *rewriteconfs;
-
-static struct addrinfo *srcprotores[RAD_PROTOCOUNT];
+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 */
-struct realm *adddynamicrealmserver(struct realm *realm, struct clsrvconf *conf, char *id);
+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 freerqoutdata(struct rqout *rqout);
void rmclientrq(struct request *rq, uint8_t id);
-static const struct protodefs protodefs[] = {
- { "udp", /* UDP, assuming RAD_UDP defined as 0 */
- NULL, /* secretdefault */
- SOCK_DGRAM, /* socktype */
- "1812", /* portdefault */
- REQUEST_RETRY_COUNT, /* retrycountdefault */
- 10, /* retrycountmax */
- REQUEST_RETRY_INTERVAL, /* retryintervaldefault */
- 60, /* retryintervalmax */
- DUPLICATE_INTERVAL, /* duplicateintervaldefault */
- udpserverrd, /* listener */
- NULL, /* connecter */
- NULL, /* clientconnreader */
- clientradputudp, /* clientradput */
- addclientudp, /* addclient */
- addserverextraudp, /* addserverextra */
- 1, /* freesrcprotores */
- initextraudp /* initextra */
- },
- { "tls", /* TLS, assuming RAD_TLS defined as 1 */
- "mysecret", /* secretdefault */
- SOCK_STREAM, /* socktype */
- "2083", /* portdefault */
- 0, /* retrycountdefault */
- 0, /* retrycountmax */
- REQUEST_RETRY_INTERVAL * REQUEST_RETRY_COUNT, /* retryintervaldefault */
- 60, /* retryintervalmax */
- DUPLICATE_INTERVAL, /* duplicateintervaldefault */
- tlslistener, /* listener */
- tlsconnect, /* connecter */
- tlsclientrd, /* clientconnreader */
- clientradputtls, /* clientradput */
- NULL, /* addclient */
- NULL, /* addserverextra */
- 0, /* freesrcprotores */
- NULL /* initextra */
- },
- { "tcp", /* TCP, assuming RAD_TCP defined as 2 */
- NULL, /* secretdefault */
- SOCK_STREAM, /* socktype */
- "1812", /* portdefault */
- 0, /* retrycountdefault */
- 0, /* retrycountmax */
- REQUEST_RETRY_INTERVAL * REQUEST_RETRY_COUNT, /* retryintervaldefault */
- 60, /* retryintervalmax */
- DUPLICATE_INTERVAL, /* duplicateintervaldefault */
- tcplistener, /* listener */
- tcpconnect, /* connecter */
- tcpclientrd, /* clientconnreader */
- clientradputtcp, /* clientradput */
- NULL, /* addclient */
- NULL, /* addserverextra */
- 0, /* freesrcprotores */
- NULL /* initextra */
- },
- { "dtls", /* DTLS, assuming RAD_DTLS defined as 3 */
- "mysecret", /* secretdefault */
- SOCK_DGRAM, /* socktype */
- "2083", /* portdefault */
- REQUEST_RETRY_COUNT, /* retrycountdefault */
- 10, /* retrycountmax */
- REQUEST_RETRY_INTERVAL, /* retryintervaldefault */
- 60, /* retryintervalmax */
- DUPLICATE_INTERVAL, /* duplicateintervaldefault */
- udpdtlsserverrd, /* listener */
- dtlsconnect, /* connecter */
- dtlsclientrd, /* clientconnreader */
- clientradputdtls, /* clientradput */
- NULL, /* addclient */
- addserverextradtls, /* addserverextra */
- 1, /* freesrcprotores */
- initextradtls /* initextra */
- },
- { NULL
- }
-};
+static const struct protodefs *(*protoinits[])(uint8_t) = { udpinit, tlsinit, tcpinit, dtlsinit };
uint8_t protoname2int(const char *name) {
- int i;
+ uint8_t i;
- for (i = 0; protodefs[i].name && strcasecmp(protodefs[i].name, name); i++);
- return 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 = NULL;
- 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) {
- if (err_cert)
- buf = X509_NAME_oneline(X509_get_subject_name(err_cert), NULL, 0);
- debug(DBG_WARN, "verify error: num=%d:%s:depth=%d:%s", err, X509_verify_cert_error_string(err), depth, buf ? buf : "");
- free(buf);
- buf = NULL;
-
- switch (err) {
- case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
- if (err_cert) {
- buf = X509_NAME_oneline(X509_get_issuer_name(err_cert), NULL, 0);
- if (buf) {
- debug(DBG_WARN, "\tIssuer=%s", buf);
- free(buf);
- buf = NULL;
- }
- }
- 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;
- case X509_V_ERR_NO_EXPLICIT_POLICY:
- debug(DBG_WARN, "No Explicit Certificate Policy");
- break;
- }
- }
-#ifdef DEBUG
- printf("certificate verify returns %d\n", ok);
-#endif
- return ok;
-}
-
-struct addrinfo *getsrcprotores(uint8_t type) {
- return srcprotores[type];
-}
-
-int resolvepeer(struct clsrvconf *conf, int ai_flags) {
- struct addrinfo hints, *addrinfo, *res;
- char *slash, *s;
- int plen = 0;
-
- 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->pdef->socktype;
- 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, conf->pdef->portdefault, &hints, &addrinfo)) {
- debug(DBG_WARN, "resolvepeer: can't resolve (null) port (null)");
- return 0;
- }
- for (res = addrinfo; res; res = res->ai_next)
- port_set(res->ai_addr, 0);
- } 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;
-}
-
-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(uint8_t 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;
- conf->pdef = &protodefs[conf->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);
-}
-
/* 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;
}
/* 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) {
- struct sockaddr_in6 *sa6 = NULL;
- struct in_addr *a4 = NULL;
- struct addrinfo *res;
+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;
-
- 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)) {
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 (conf->type == type && addressmatches(conf->hostports, addr, server_p)) {
+ if (cur)
+ *cur = entry;
+ return conf;
}
- }
+ }
return NULL;
}
struct clsrvconf *find_clconf(uint8_t type, struct sockaddr *addr, struct list_node **cur) {
- return find_conf(type, addr, clconfs, 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);
+ 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;
-
+
for (entry = (cur && *cur ? list_next(*cur) : list_first(clconfs)); entry; entry = list_next(entry)) {
conf = (struct clsrvconf *)entry->data;
if (conf->type == type) {
*cur = entry;
return conf;
}
- }
+ }
return NULL;
}
-struct queue *newqueue() {
- struct queue *q;
-
- q = malloc(sizeof(struct queue));
+struct gqueue *newqueue() {
+ struct gqueue *q;
+
+ q = malloc(sizeof(struct gqueue));
if (!q)
debugx(1, DBG_ERR, "malloc failed");
q->entries = list_create();
return q;
}
-void removequeue(struct queue *q) {
+void removequeue(struct gqueue *q) {
struct list_node *entry;
if (!q)
free(q);
}
-void freebios(struct queue *q) {
+void freebios(struct gqueue *q) {
BIO *bio;
-
+
pthread_mutex_lock(&q->mutex);
while ((bio = (BIO *)list_shift(q->entries)))
BIO_free(bio);
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;
return NULL;
}
}
-
+
memset(new, 0, sizeof(struct client));
new->conf = conf;
if (conf->pdef->addclient)
else
pthread_mutex_unlock(&lock);
}
-
+
void removeclientrqs(struct client *client) {
struct request *rq;
struct rqout *rqout;
void removelockedclient(struct client *client) {
struct clsrvconf *conf;
-
+
conf = client->conf;
if (conf->clients) {
removeclientrqs(client);
void removeclient(struct client *client) {
struct clsrvconf *conf;
-
+
if (!client)
return;
}
int addserver(struct clsrvconf *conf) {
- struct clsrvconf *res;
- uint8_t type;
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;
- type = conf->type;
- if (type == RAD_DTLS)
+#ifdef RADPROT_DTLS
+ if (conf->type == RAD_DTLS)
conf->servers->rbios = newqueue();
-
- if (!srcprotores[type]) {
- res = resolve_hostport(type, options.sourcearg[type], NULL);
- srcprotores[type] = res->addrinfo;
- res->addrinfo = NULL;
- freeclsrvres(res);
- }
+#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;
}
if (pthread_mutex_init(conf->servers->requests[i].lock, NULL)) {
- debug(DBG_ERR, "mutex init failed");
+ 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;
}
-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;
-}
-
unsigned char *attrget(unsigned char *attrs, int length, uint8_t type) {
while (length > 1) {
if (ATTRTYPE(attrs) == type)
to = rq->to;
if (!to)
goto errexit;
-
+
start = to->conf->statusserver ? 1 : 0;
pthread_mutex_lock(&to->newrq_mutex);
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_WARN, "sendrq: status server already in queue, dropping request");
+ debug(DBG_INFO, "sendrq: status server already in queue, dropping request");
goto errexit;
}
i = 0;
}
}
if (i == to->nextid) {
- debug(DBG_WARN, "sendrq: no room in queue, dropping request");
+ debug(DBG_INFO, "sendrq: no room in queue, dropping request");
goto errexit;
}
}
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);
+
+ 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 */
removeclientrqs_sendrq_freeserver_lock(0);
return;
- errexit:
+errexit:
if (rq->from)
rmclientrq(rq, rq->msg->id);
freerq(rq);
void sendreply(struct request *rq) {
uint8_t first;
struct client *to = rq->from;
-
+
if (!rq->replybuf)
rq->replybuf = radmsg2buf(rq->msg, (uint8_t *)to->conf->secret);
radmsg_free(rq->msg);
pthread_mutex_lock(&to->replyq->mutex);
first = list_first(to->replyq->entries) == NULL;
-
+
if (!list_push(to->replyq->entries, rq)) {
pthread_mutex_unlock(&to->replyq->mutex);
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 NULL;
}
+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;
if (entry2->data == srv)
freerealm(realm);
list_removedata(realm->srvconfs, srv);
- if (!list_first(realm->srvconfs)) {
- list_destroy(realm->srvconfs);
- realm->srvconfs = NULL;
- }
}
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);
- if (!list_first(realm->accsrvconfs)) {
- list_destroy(realm->accsrvconfs);
- realm->accsrvconfs = NULL;
- }
}
- /* remove subrealm if no servers */
- if (!realm->srvconfs && !realm->accsrvconfs)
+ /* 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);
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;
}
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->rqauth))
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;
uint8_t alen, sublen;
uint32_t vendor;
uint8_t *subattrs;
-
+
if (!removevendorattrs)
return 0;
removevendorattrs += 2;
if (!*removevendorattrs)
return 0;
-
- if (findvendorsubattr(removevendorattrs, vendor, -1))
+
+ if (findvendorsubattr(removevendorattrs, vendor, 256))
return 1; /* remove entire vendor attribute */
sublen = attr->l - 4;
subattrs = attr->v + 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;
}
list_removedata(msg->attrs, attr);
freetlv(attr);
n = p ? list_next(p) : list_first(msg->attrs);
- } else
+ } else {
p = n;
- n = list_next(n);
+ n = list_next(n);
+ }
}
}
int dorewriteadd(struct radmsg *msg, struct list *addattrs) {
struct list_node *n;
struct tlv *a;
-
+
for (n = list_first(addattrs); n; n = list_next(n)) {
a = copytlv((struct tlv *)n->data);
if (!a)
int resizeattr(struct tlv *attr, uint8_t newlen) {
uint8_t *newv;
-
+
if (newlen != attr->l) {
newv = realloc(attr->v, newlen);
if (!newv)
in = stringcopy((char *)attr->v, attr->l);
if (!in)
return 0;
-
+
if (regexec(modattr->regex, in, nmatch, pmatch, 0)) {
free(in);
return 1;
}
-
+
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_WARN, "rewritten attribute length would be %d, max possible is 253, discarding message", reslen);
+ debug(DBG_INFO, "rewritten attribute length would be %d, max possible is 253, discarding message", reslen);
free(in);
return 0;
}
}
int dorewrite(struct radmsg *msg, struct rewrite *rewrite) {
- if (!rewrite)
- return 1;
- if (rewrite->removeattrs || rewrite->removevendorattrs)
- dorewriterm(msg, rewrite->removeattrs, rewrite->removevendorattrs);
- if (rewrite->addattrs && !dorewriteadd(msg, rewrite->addattrs))
- return 0;
- if (rewrite->modattrs && !dorewritemod(msg, rewrite->modattrs))
- return 0;
- return 1;
+ 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) {
return 1;
}
-int addvendorattr(struct radmsg *msg, uint32_t vendor, struct tlv *attr) {
- struct tlv *vattr;
+/** 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);
+ vendor = htonl(vendor & 0x00ffffff); /* MSB=0 according to RFC 2865. */
memcpy(v, &vendor, 4);
tlv2buf(v + 4, attr);
- v[5] += 2;
- vattr = maketlv(RAD_Attr_Vendor_Specific, l, v);
- if (vattr && radmsg_add(msg, vattr))
- return 1;
+ 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 0;
+ return 1;
}
void addttlattr(struct radmsg *msg, uint32_t *attrtype, uint8_t addttl) {
memset(ttl, 0, 4);
ttl[3] = addttl;
-
- if (attrtype[1] == -1) { /* not vendor */
+
+ 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) {
+ if (attr)
addvendorattr(msg, attrtype[0], attr);
- freetlv(attr);
- }
}
}
struct list_node *node;
uint32_t vendor;
int sublen;
-
- if (attrtype[1] == -1) { /* not vendor */
+
+ if (attrtype[1] == 256) { /* not vendor */
attr = radmsg_gettype(msg, attrtype[0]);
if (attr)
return decttl(attr->l, attr->v);
if (ntohl(vendor) != attrtype[0])
continue;
sublen = attr->l - 4;
- subattrs = attr->v + 4;
+ subattrs = attr->v + 4;
if (!attrvalidate(subattrs, sublen))
continue;
while (sublen > 1) {
}
return -1;
}
-
+
const char *radmsgtype2string(uint8_t code) {
static const char *rad_msg_names[] = {
"", "Access-Request", "Access-Accept", "Access-Reject",
l += 2;
if (l == attr->l)
return (uint8_t *)stringcopy((char *)attr->v, attr->l);
-
+
a = malloc(l + 1);
if (!a)
return NULL;
return a;
}
-void acclog(struct radmsg *msg, char *host) {
+void acclog(struct radmsg *msg, struct client *from) {
struct tlv *attr;
uint8_t *username;
-
+
attr = radmsg_gettype(msg, RAD_Attr_User_Name);
if (!attr) {
- debug(DBG_INFO, "acclog: accounting-request from %s without username attribute", host);
+ debug(DBG_INFO, "acclog: accounting-request from client %s (%s) without username attribute", from->conf->name, addr2string(from->addr));
return;
}
username = radattr2ascii(attr);
if (username) {
- debug(DBG_INFO, "acclog: accounting-request from %s with username: %s", host, username);
+ debug(DBG_INFO, "acclog: accounting-request from client %s (%s) with username: %s", from->conf->name, addr2string(from->addr), username);
+
free(username);
}
}
radmsg_free(rq->msg);
rq->msg = msg;
- debug(DBG_DBG, "respond: sending %s to %s", radmsgtype2string(msg->code), rq->from->conf->host);
+ debug(DBG_DBG, "respond: sending %s to %s (%s)", radmsgtype2string(msg->code), rq->from->conf->name, addr2string(rq->from->addr));
sendreply(newrqref(rq));
}
return server;
if (!first)
first = server;
- if (!server->servers->connectionok)
+ if (!server->servers->connectionok && !server->servers->dynstartup)
continue;
if (!server->servers->lostrqs)
return server;
struct realm *subrealm;
struct server *server = NULL;
char *id = (char *)tlv2str(username);
-
+
if (!id)
return NULL;
/* returns with lock on realm */
goto exit;
debug(DBG_DBG, "found matching realm: %s", (*realm)->name);
srvconf = choosesrvconf(acc ? (*realm)->accsrvconfs : (*realm)->srvconfs);
- if (!srvconf)
- goto exit;
- server = srvconf->servers;
- if (!acc && !(*realm)->parent && !srvconf->servers) {
- subrealm = adddynamicrealmserver(*realm, srvconf, id);
+ 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;
- server = ((struct clsrvconf *)subrealm->srvconfs->first->data)->servers;
+ srvconf = choosesrvconf(acc ? (*realm)->accsrvconfs : (*realm)->srvconfs);
}
}
- exit:
+ if (srvconf)
+ server = srvconf->servers;
+
+exit:
free(id);
return server;
}
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)) {
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_WARN, "radsrv: message validation failed, ignoring packet");
+ debug(DBG_INFO, "radsrv: message validation failed, ignoring packet");
freerq(rq);
return 0;
}
-
+
rq->msg = msg;
rq->rqid = msg->id;
memcpy(rq->rqauth, msg->auth, 16);
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");
+ debug(DBG_INFO, "radsrv: server currently accepts only access-requests, accounting-requests and status-server, ignoring");
goto exit;
}
-
+
if (!addclientrq(rq))
goto exit;
ttlres = checkttl(msg, options.ttlattrtype);
if (!ttlres) {
- debug(DBG_WARN, "radsrv: ignoring request from client %s (%s), ttl exceeded", from->conf->name, addr2string(from->addr));
+ debug(DBG_INFO, "radsrv: ignoring request from client %s (%s), ttl exceeded", from->conf->name, addr2string(from->addr));
goto exit;
}
-
+
attr = radmsg_gettype(msg, RAD_Attr_User_Name);
if (!attr) {
if (msg->code == RAD_Accounting_Request) {
- acclog(msg, from->conf->host);
+ 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;
}
-
+
if (from->conf->rewriteusername && !rewriteusername(rq, attr)) {
debug(DBG_WARN, "radsrv: username malloc failed, ignoring request");
goto rmclrqexit;
}
-
+
userascii = radattr2ascii(attr);
if (!userascii)
goto rmclrqexit;
if (!to) {
if (realm->message && msg->code == RAD_Access_Request) {
- debug(DBG_INFO, "radsrv: sending reject to %s for %s", from->conf->host, userascii);
+ 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->conf->host);
+ acclog(msg, from);
respond(rq, RAD_Accounting_Response, NULL);
}
goto exit;
}
-
- if (options.loopprevention && !strcmp(from->conf->name, to->conf->name)) {
+
+ 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;
debug(DBG_WARN, "radsrv: failed to generate random auth");
goto rmclrqexit;
}
-
+
#ifdef DEBUG
printfchars(NULL, "auth", "%02x ", auth, 16);
#endif
if (to->conf->rewriteout && !dorewrite(msg, to->conf->rewriteout))
goto rmclrqexit;
-
+
if (ttlres == -1 && (options.addttl || to->conf->addttl))
addttlattr(msg, options.ttlattrtype, to->conf->addttl ? to->conf->addttl : options.addttl);
-
+
free(userascii);
rq->to = to;
sendrq(rq);
pthread_mutex_unlock(&realm->mutex);
freerealm(realm);
return 1;
-
- rmclrqexit:
+
+rmclrqexit:
rmclientrq(rq, msg->id);
- exit:
+exit:
freerq(rq);
free(userascii);
if (realm) {
struct radmsg *msg = NULL;
struct tlv *attr;
struct list_node *node;
-
+
server->connectionok = 1;
server->lostrqs = 0;
debug(DBG_INFO, "replyh: no outstanding request with this id, ignoring reply");
goto errunlock;
}
-
+
msg = buf2radmsg(buf, (uint8_t *)server->conf->secret, rqout->rq->msg->auth);
free(buf);
buf = NULL;
if (!msg) {
- debug(DBG_WARN, "replyh: message validation failed, ignoring packet");
+ debug(DBG_INFO, "replyh: message validation failed, ignoring packet");
goto errunlock;
}
if (msg->code != RAD_Access_Accept && msg->code != RAD_Access_Reject && msg->code != RAD_Access_Challenge
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->host);
+ debug(DBG_DBG, "replyh: got status server response from %s", server->conf->name);
goto errunlock;
}
gettimeofday(&server->lastreply, NULL);
from = rqout->rq->from;
-
+
if (server->conf->rewritein && !dorewrite(msg, from->conf->rewritein)) {
- debug(DBG_WARN, "replyh: rewritein failed");
+ debug(DBG_INFO, "replyh: rewritein failed");
goto errunlock;
}
-
+
ttlres = checkttl(msg, options.ttlattrtype);
- if (!ttlres) {
- debug(DBG_WARN, "replyh: ignoring reply from server %s, ttl exceeded", server->conf->host);
+ if (!ttlres) {
+ debug(DBG_INFO, "replyh: ignoring reply from server %s, ttl exceeded", server->conf->name);
goto errunlock;
}
-
+
/* MS MPPE */
for (node = list_first(msg->attrs); node; node = list_next(node)) {
attr = (struct tlv *)node->data;
break;
if (attr->v[0] != 0 || attr->v[1] != 0 || attr->v[2] != 1 || attr->v[3] != 55) /* 311 == MS */
continue;
-
+
sublen = attr->l - 4;
- subattrs = attr->v + 4;
+ subattrs = attr->v + 4;
if (!attrvalidate(subattrs, sublen) ||
!msmppe(subattrs, sublen, RAD_VS_ATTR_MS_MPPE_Send_Key, "MS MPPE Send Key",
rqout->rq, server->conf->secret, from->conf->secret) ||
replymsg = radattr2ascii(radmsg_gettype(msg, RAD_Attr_Reply_Message));
if (stationid) {
if (replymsg) {
- debug(DBG_INFO, "%s for user %s stationid %s from %s (%s)",
- radmsgtype2string(msg->code), username, stationid, server->conf->host, 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_INFO, "%s for user %s stationid %s from %s",
- radmsgtype2string(msg->code), username, stationid, server->conf->host);
+ 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_INFO, "%s for user %s from %s (%s)",
- radmsgtype2string(msg->code), username, server->conf->host, 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_INFO, "%s for user %s from %s",
- radmsgtype2string(msg->code), username, server->conf->host);
+ 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);
}
msg->id = (char)rqout->rq->rqid;
memcpy(msg->auth, rqout->rq->rqauth, 16);
-#ifdef DEBUG
+#ifdef DEBUG
printfchars(NULL, "origauth/buf+4", "%02x ", buf + 4, 16);
#endif
debug(DBG_WARN, "replyh: rewriteout failed");
goto errunlock;
}
-
+
if (ttlres == -1 && (options.addttl || from->conf->addttl))
addttlattr(msg, options.ttlattrtype, from->conf->addttl ? from->conf->addttl : options.addttl);
- debug(DBG_INFO, "replyh: passing reply to client %s (%s)", from->conf->name, addr2string(from->addr));
+ 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));
pthread_mutex_unlock(rqout->lock);
return;
- errunlock:
+errunlock:
radmsg_free(msg);
pthread_mutex_unlock(rqout->lock);
return;
}
return rq;
- exit:
+exit:
freerq(rq);
return NULL;
}
struct timespec timeout;
struct request *statsrvrq;
struct clsrvconf *conf;
-
+
conf = server->conf;
-
+
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) {
gettimeofday(&server->lastrcv, NULL);
gettimeofday(&laststatsrv, NULL);
}
if (conf->pdef->connecter) {
- if (!conf->pdef->connecter(server, NULL, server->dynamiclookuparg ? 6 : 0, "clientwr"))
+ 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(&clientrdth, NULL, conf->pdef->clientconnreader, (void *)server)) {
- debug(DBG_ERR, "clientwr: pthread_create failed");
+ 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) {
#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
+#endif
pthread_cond_timedwait(&server->newrq_cond, &server->newrq_mutex, &timeout);
timeout.tv_sec = 0;
}
debug(DBG_DBG, "clientwr: got new request");
server->newrq = 0;
}
-#if 0
+#if 0
else
debug(DBG_DBG, "clientwr: request timer expired, processing request queue");
-#endif
+#endif
pthread_mutex_unlock(&server->newrq_mutex);
for (i = 0; i < MAX_REQUESTS; i++) {
pthread_mutex_unlock(rqout->lock);
}
}
-
+
if (i == MAX_REQUESTS)
break;
debug(DBG_DBG, "clientwr: removing expired packet from queue");
if (conf->statusserver) {
if (*rqout->rq->buf == RAD_Status_Server) {
- debug(DBG_WARN, "clientwr: no status server response, %s dead?", conf->host);
+ 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->host);
+ debug(DBG_WARN, "clientwr: no server response, %s dead?", conf->name);
if (server->lostrqs < 255)
server->lostrqs++;
}
statsrvrq = createstatsrvrq();
if (statsrvrq) {
statsrvrq->to = server;
- debug(DBG_DBG, "clientwr: sending status server to %s", conf->host);
+ debug(DBG_DBG, "clientwr: sending status server to %s", conf->name);
sendrq(statsrvrq);
}
}
}
}
- errexit:
+errexit:
conf->servers = NULL;
if (server->dynamiclookuparg) {
removeserversubrealms(realms, conf);
void createlistener(uint8_t type, char *arg) {
pthread_t th;
- struct clsrvconf *listenres;
struct addrinfo *res;
int s = -1, on = 1, *sp = NULL;
-
- listenres = resolve_hostport(type, arg, protodefs[type].portdefault);
- if (!listenres)
+ struct hostportres *hp = newhostport(arg, protodefs[type]->portdefault, 0);
+
+ if (!hp || !resolvehostport(hp, protodefs[type]->socktype, 1))
debugx(1, DBG_ERR, "createlistener: failed to resolve %s", arg);
-
- for (res = listenres->addrinfo; res; res = res->ai_next) {
+
+ for (res = hp->addrinfo; res; res = res->ai_next) {
s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (s < 0) {
- debug(DBG_WARN, "createlistener: socket failed");
+ debugerrno(errno, DBG_WARN, "createlistener: socket failed");
continue;
}
setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+
+ disable_DF_bit(s, res);
+
#ifdef IPV6_V6ONLY
if (res->ai_family == AF_INET6)
setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
-#endif
+#endif
if (bind(s, res->ai_addr, res->ai_addrlen)) {
- debug(DBG_WARN, "createlistener: bind failed");
+ debugerrno(errno, DBG_WARN, "createlistener: bind failed");
close(s);
s = -1;
continue;
if (!sp)
debugx(1, DBG_ERR, "malloc failed");
*sp = s;
- if (pthread_create(&th, NULL, protodefs[type].listener, (void *)sp))
- debugx(1, DBG_ERR, "pthread_create failed");
+ if (pthread_create(&th, NULL, protodefs[type]->listener, (void *)sp))
+ debugerrnox(errno, DBG_ERR, "pthread_create failed");
pthread_detach(th);
}
if (!sp)
debugx(1, DBG_ERR, "createlistener: socket/bind failed");
-
- debug(DBG_WARN, "createlistener: listening for %s on %s:%s", protodefs[type].name,
- listenres->host ? listenres->host : "*", listenres->port);
- freeclsrvres(listenres);
+
+ debug(DBG_WARN, "createlistener: listening for %s on %s:%s", protodefs[type]->name, hp->host ? hp->host : "*", hp->port);
+ freehostport(hp);
}
-void createlisteners(uint8_t type, char **args) {
+void createlisteners(uint8_t type) {
int i;
+ char **args;
+ args = protodefs[type]->getlistenerargs();
if (args)
for (i = 0; args[i]; i++)
createlistener(type, args[i]);
createlistener(type, NULL);
}
-#ifdef DEBUG
-void ssl_info_callback(const SSL *ssl, int where, int ret) {
- const char *s;
- int w;
-
- w = where & ~SSL_ST_MASK;
-
- if (w & SSL_ST_CONNECT)
- s = "SSL_connect";
- else if (w & SSL_ST_ACCEPT)
- s = "SSL_accept";
- else
- s = "undefined";
-
- if (where & SSL_CB_LOOP)
- debug(DBG_DBG, "%s:%s\n", s, SSL_state_string_long(ssl));
- else if (where & SSL_CB_ALERT) {
- s = (where & SSL_CB_READ) ? "read" : "write";
- debug(DBG_DBG, "SSL3 alert %s:%s:%s\n", s, SSL_alert_type_string_long(ret), SSL_alert_desc_string_long(ret));
- }
- else if (where & SSL_CB_EXIT) {
- if (ret == 0)
- debug(DBG_DBG, "%s:failed in %s\n", s, SSL_state_string_long(ssl));
- else if (ret < 0)
- debug(DBG_DBG, "%s:error in %s\n", s, SSL_state_string_long(ssl));
- }
-}
-#endif
-
-void tlsinit() {
+void sslinit() {
int i;
time_t t;
pid_t pid;
-
+
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++) {
}
}
-X509_VERIFY_PARAM *createverifyparams(char **poids) {
- X509_VERIFY_PARAM *pm;
- ASN1_OBJECT *pobject;
- int i;
-
- pm = X509_VERIFY_PARAM_new();
- if (!pm)
- return NULL;
-
- for (i = 0; poids[i]; i++) {
- pobject = OBJ_txt2obj(poids[i], 0);
- if (!pobject) {
- X509_VERIFY_PARAM_free(pm);
- return NULL;
- }
- X509_VERIFY_PARAM_add0_policy(pm, pobject);
- }
-
- X509_VERIFY_PARAM_set_flags(pm, X509_V_FLAG_POLICY_CHECK | X509_V_FLAG_EXPLICIT_POLICY);
- return pm;
-}
-
-int tlsaddcacrl(SSL_CTX *ctx, struct tls *conf) {
- STACK_OF(X509_NAME) *calist;
- X509_STORE *x509_s;
- unsigned long error;
-
- if (!SSL_CTX_load_verify_locations(ctx, conf->cacertfile, conf->cacertpath)) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "tlsaddcacrl: Error updating TLS context %s", conf->name);
- return 0;
- }
-
- calist = conf->cacertfile ? SSL_load_client_CA_file(conf->cacertfile) : NULL;
- if (!conf->cacertfile || calist) {
- if (conf->cacertpath) {
- if (!calist)
- calist = sk_X509_NAME_new_null();
- if (!SSL_add_dir_cert_subjects_to_stack(calist, conf->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));
- debug(DBG_ERR, "tlsaddcacrl: Error adding CA subjects in TLS context %s", conf->name);
- return 0;
- }
- ERR_clear_error(); /* add_dir_cert_subj returns errors on success */
- 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);
-
- if (conf->crlcheck || conf->vpm) {
- x509_s = SSL_CTX_get_cert_store(ctx);
- if (conf->crlcheck)
- X509_STORE_set_flags(x509_s, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
- if (conf->vpm)
- X509_STORE_set1_param(x509_s, conf->vpm);
- }
-
- debug(DBG_DBG, "tlsaddcacrl: updated TLS context %s", conf->name);
- return 1;
-}
-
-SSL_CTX *tlscreatectx(uint8_t type, struct tls *conf) {
- SSL_CTX *ctx = NULL;
- unsigned long error;
-
- if (!ssl_locks)
- tlsinit();
-
- switch (type) {
- case RAD_TLS:
- ctx = SSL_CTX_new(TLSv1_method());
-#ifdef DEBUG
- SSL_CTX_set_info_callback(ctx, ssl_info_callback);
-#endif
- break;
- case RAD_DTLS:
- ctx = SSL_CTX_new(DTLSv1_method());
-#ifdef DEBUG
- SSL_CTX_set_info_callback(ctx, ssl_info_callback);
-#endif
- SSL_CTX_set_read_ahead(ctx, 1);
- break;
- }
- if (!ctx) {
- debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
- return NULL;
- }
-
- if (conf->certkeypwd) {
- SSL_CTX_set_default_passwd_cb_userdata(ctx, conf->certkeypwd);
- SSL_CTX_set_default_passwd_cb(ctx, pem_passwd_cb);
- }
- if (!SSL_CTX_use_certificate_chain_file(ctx, conf->certfile) ||
- !SSL_CTX_use_PrivateKey_file(ctx, conf->certkeyfile, SSL_FILETYPE_PEM) ||
- !SSL_CTX_check_private_key(ctx)) {
- while ((error = ERR_get_error()))
- debug(DBG_ERR, "SSL: %s", ERR_error_string(error, NULL));
- debug(DBG_ERR, "tlscreatectx: Error initialising SSL/TLS in TLS context %s", conf->name);
- SSL_CTX_free(ctx);
- return NULL;
- }
-
- if (conf->policyoids) {
- if (!conf->vpm) {
- conf->vpm = createverifyparams(conf->policyoids);
- if (!conf->vpm) {
- debug(DBG_ERR, "tlsaddcacrl: Failed to add policyOIDs in TLS context %s", conf->name);
- SSL_CTX_free(ctx);
- return NULL;
- }
- }
- }
-
- if (!tlsaddcacrl(ctx, conf)) {
- if (conf->vpm) {
- X509_VERIFY_PARAM_free(conf->vpm);
- conf->vpm = NULL;
- }
- SSL_CTX_free(ctx);
- return NULL;
- }
-
- debug(DBG_DBG, "tlscreatectx: created TLS context %s", conf->name);
- return ctx;
-}
-
-struct tls *tlsgettls(char *alt1, char *alt2) {
- struct tls *t;
-
- t = hash_read(tlsconfs, alt1, strlen(alt1));
- if (!t)
- t = hash_read(tlsconfs, alt2, strlen(alt2));
- return t;
-}
-
-SSL_CTX *tlsgetctx(uint8_t type, struct tls *t) {
- struct timeval now;
-
- if (!t)
- return NULL;
- gettimeofday(&now, NULL);
-
- switch (type) {
- case RAD_TLS:
- if (t->tlsexpiry && t->tlsctx) {
- if (t->tlsexpiry < now.tv_sec) {
- t->tlsexpiry = now.tv_sec + t->cacheexpiry;
- tlsaddcacrl(t->tlsctx, t);
- }
- }
- if (!t->tlsctx) {
- t->tlsctx = tlscreatectx(RAD_TLS, t);
- if (t->cacheexpiry)
- t->tlsexpiry = now.tv_sec + t->cacheexpiry;
- }
- return t->tlsctx;
- case RAD_DTLS:
- if (t->dtlsexpiry && t->dtlsctx) {
- if (t->dtlsexpiry < now.tv_sec) {
- t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
- tlsaddcacrl(t->dtlsctx, t);
- }
- }
- if (!t->dtlsctx) {
- t->dtlsctx = tlscreatectx(RAD_DTLS, t);
- if (t->cacheexpiry)
- t->dtlsexpiry = now.tv_sec + t->cacheexpiry;
- }
- return t->dtlsctx;
- }
- return NULL;
-}
-
struct list *addsrvconfs(char *value, char **names) {
struct list *conflist;
int n;
struct list_node *entry;
struct clsrvconf *conf = NULL;
-
+
if (!names || !*names)
return NULL;
-
+
conflist = list_create();
if (!conflist) {
debug(DBG_ERR, "malloc failed");
int n;
struct realm *realm;
char *s, *regex = NULL;
-
+
if (*value == '/') {
/* regexp, remove optional trailing / if present */
if (value[strlen(value) - 1] == '/')
goto exit;
}
memset(realm, 0, sizeof(struct realm));
-
+
if (pthread_mutex_init(&realm->mutex, NULL)) {
- debug(DBG_ERR, "mutex init failed");
+ debugerrno(errno, DBG_ERR, "mutex init failed");
free(realm);
realm = NULL;
goto exit;
}
realm->message = message;
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)
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) {
if (realm)
return newrealmref(realm);
}
-struct realm *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;
- pthread_t clientth;
-
- if (!conf->dynamiclookupcommand)
- return NULL;
/* create dynamic for the realm (string after last @, exit if nothing after @ */
realmname = strrchr(id, '@');
for (s = realmname; *s; s++)
if (*s != '.' && *s != '-' && !isalnum((int)*s))
return NULL;
-
- srvconf = malloc(sizeof(struct clsrvconf));
- if (!srvconf) {
- debug(DBG_ERR, "malloc failed");
- return NULL;
- }
- *srvconf = *conf;
- if (!addserver(srvconf))
- goto errexit;
if (!realm->subrealms)
realm->subrealms = list_create();
if (!realm->subrealms)
- goto errexit;
- newrealm = addrealm(realm->subrealms, realmname, NULL, NULL, NULL, 0);
- if (!newrealm)
- goto errexit;
- newrealm->parent = newrealmref(realm);
-
- /* 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;
- }
- newrealmref(newrealm);
- newrealm->accsrvconfs = list_create();
- if (!newrealm->accsrvconfs || !list_push(newrealm->accsrvconfs, srvconf)) {
- debug(DBG_ERR, "malloc failed");
- list_shift(realm->srvconfs);
- freerealm(newrealm);
- goto errexit;
- }
- newrealmref(newrealm);
+ return NULL;
- srvconf->servers->dynamiclookuparg = stringcopy(realmname, 0);
- if (pthread_create(&clientth, NULL, clientwr, (void *)(srvconf->servers))) {
- debug(DBG_ERR, "pthread_create failed");
- list_shift(realm->srvconfs);
- freerealm(newrealm);
- list_shift(realm->accsrvconfs);
- freerealm(newrealm);
- goto errexit;
+ newrealm = addrealm(realm->subrealms, realmname, NULL, NULL, stringcopy(realm->message, 0), realm->accresp);
+ if (!newrealm) {
+ list_destroy(realm->subrealms);
+ realm->subrealms = NULL;
+ return NULL;
}
- pthread_detach(clientth);
+
+ newrealm->parent = newrealmref(realm);
+ /* add server and accserver to newrealm */
+ newrealm->srvconfs = createsubrealmservers(newrealm, realm->srvconfs);
+ newrealm->accsrvconfs = createsubrealmservers(newrealm, realm->accsrvconfs);
return newrealm;
-
- errexit:
- if (newrealm) {
- list_removedata(realm->subrealms, newrealm);
- freerealm(newrealm);
- if (!list_first(realm->subrealms)) {
- list_destroy(realm->subrealms);
- realm->subrealms = NULL;
- }
- }
- freeserver(srvconf->servers, 1);
- free(srvconf);
- debug(DBG_ERR, "failed to create dynamic server");
- return NULL;
}
int dynamicconfig(struct server *server) {
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;
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");
+ debugerrno(errno, 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 1;
- errexit:
+errexit:
debug(DBG_WARN, "dynamicconfig: failed to obtain dynamic server config");
return 0;
}
-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_EXTENDED | REG_ICASE | REG_NOSUB)) {
- free(*r);
- *r = NULL;
- debug(DBG_ERR, "failed to compile regular expression %s", v);
- return 0;
- }
- return 1;
-}
-
/* 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;
}
-/* should accept both names and numeric values, only numeric right now */
-struct tlv *extractattr(char *nameval) {
+/** 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;
- char *s;
+ int vendor = 0; /* Vendor 0 is reserved, see RFC 1700. */
+ char *s, *s2;
struct tlv *a;
-
+
s = strchr(nameval, ':');
- name = atoi(nameval);
- if (!s || name < 1 || name > 255)
+ 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;
+
+ 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);
}
a->t = name;
a->l = len;
+
+ if (vendor_flag)
+ a = makevendortlv(vendor, a);
+
return a;
}
debug(DBG_ERR, "malloc failed");
return NULL;
}
-
+
m->regex = malloc(sizeof(regex_t));
if (!m->regex) {
free(m->replacement);
debug(DBG_ERR, "malloc failed");
return NULL;
}
-
+
if (regcomp(m->regex, s, REG_ICASE | REG_EXTENDED)) {
free(m->regex);
free(m->replacement);
return NULL;
}
-void addrewrite(char *value, char **rmattrs, char **rmvattrs, char **addattrs, char **modattrs) {
+void addrewrite(char *value, char **rmattrs, char **rmvattrs, char **addattrs, char **addvattrs, char **modattrs)
+{
struct rewrite *rewrite = NULL;
int i, n;
uint8_t *rma = 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");
-
+
for (i = 0; i < n; i++)
if (!(rma[i] = attrname2val(rmattrs[i])))
- debugx(1, DBG_ERR, "addrewrite: invalid attribute %s", 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: invalid vendor attribute %s", rmvattrs[i]);
+ 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; addattrs[i]; i++) {
- a = extractattr(addattrs[i]);
+ a = extractattr(addattrs[i], 0);
if (!a)
- debugx(1, DBG_ERR, "addrewrite: invalid attribute %s", addattrs[i]);
+ 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 (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");
+ }
+ freegconfmstr(addvattrs);
+ }
+
if (modattrs) {
moda = list_create();
if (!moda)
for (i = 0; modattrs[i]; i++) {
m = extractmodattr(modattrs[i]);
if (!m)
- debugx(1, DBG_ERR, "addrewrite: invalid attribute %s", modattrs[i]);
+ 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 (rma || rmva || adda || moda) {
rewrite = malloc(sizeof(struct rewrite));
if (!rewrite)
rewrite->addattrs = adda;
rewrite->modattrs = moda;
}
-
+
if (!hash_insert(rewriteconfs, value, strlen(value), rewrite))
debugx(1, DBG_ERR, "malloc failed");
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] != -1 || opts->ttlattrtype[0] < 256))
+ (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->host);
- free(conf->port);
+ if (conf->hostsrc)
+ freegconfmstr(conf->hostsrc);
+ free(conf->portsrc);
free(conf->secret);
free(conf->tls);
free(conf->matchcertattr);
free(conf->dynamiclookupcommand);
free(conf->rewritein);
free(conf->rewriteout);
- if (conf->addrinfo)
- freeaddrinfo(conf->addrinfo);
+ if (conf->hostports)
+ freehostports(conf->hostports);
if (conf->lock) {
pthread_mutex_destroy(conf->lock);
free(conf->lock);
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->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) ||
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));
debugx(1, DBG_ERR, "malloc failed");
memset(conf, 0, sizeof(struct clsrvconf));
conf->certnamecheck = 1;
-
+
if (!getgenericconfig(cf, block,
"type", CONF_STR, &conftype,
- "host", CONF_STR, &conf->host,
+ "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,
"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->name || !conf->host)
+ 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);
- conf->pdef = &protodefs[conf->type];
- if (!conf->pdef->name)
+ 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)
if (conf->matchcertattr && !addmatchcertattr(conf))
debugx(1, DBG_ERR, "error in block %s, invalid MatchCertificateAttributeValue", block);
}
-
+#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
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
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->pdef->secretdefault)
debugx(1, DBG_ERR, "error in block %s, secret must be specified for transport type %s", block, conf->pdef->name);
}
int compileserverconfig(struct clsrvconf *conf, const char *block) {
+#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) {
return 0;
}
}
+#endif
- if (!conf->port) {
- conf->port = stringcopy(conf->pdef->portdefault, 0);
- if (!conf->port) {
+ if (!conf->portsrc) {
+ conf->portsrc = stringcopy(conf->pdef->portdefault, 0);
+ if (!conf->portsrc) {
debug(DBG_ERR, "malloc failed");
return 0;
}
}
-
+
if (conf->retryinterval == 255)
- conf->retryinterval = protodefs[conf->type].retryintervaldefault;
+ conf->retryinterval = conf->pdef->retryintervaldefault;
if (conf->retrycount == 255)
- conf->retrycount = protodefs[conf->type].retrycountdefault;
-
+ 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 (!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 (!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 && !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->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;
if (!getgenericconfig(cf, block,
"type", CONF_STR, &conftype,
- "host", CONF_STR, &conf->host,
- "port", CONF_STR, &conf->port,
+ "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,
"StatusServer", CONF_BLN, &conf->statusserver,
"RetryInterval", CONF_LINT, &retryinterval,
"RetryCount", CONF_LINT, &retrycount,
- "CertificateNameCheck", CONF_BLN, &conf->certnamecheck,
"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");
- goto errexit;
- }
- }
- if (!conftype)
- debugx(1, DBG_ERR, "error in block %s, option type missing", block);
+ if (!conftype) {
+ debug(DBG_ERR, "error in block %s, option type missing", block);
+ goto errexit;
+ }
conf->type = protoname2int(conftype);
- conf->pdef = &protodefs[conf->type];
- if (!conf->pdef->name) {
+ 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
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);
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);
}
conf->addttl = (uint8_t)addttl;
}
-
+
if (resconf) {
if (!mergesrvconf(resconf, conf))
goto errexit;
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;
-
+
if (!list_push(srvconfs, conf)) {
debug(DBG_ERR, "malloc failed");
goto errexit;
}
return 1;
- errexit:
+errexit:
free(conftype);
free(rewriteinalias);
freeclsrvconf(conf);
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,
"AccountingResponse", CONF_BLN, &accresp,
NULL
- ))
+ ))
debugx(1, DBG_ERR, "configuration error");
addrealm(realms, val, servers, accservers, msg, accresp);
return 1;
}
-int conftls_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
- struct tls *conf;
- long int expiry = LONG_MIN;
-
- debug(DBG_DBG, "conftls_cb called for %s", block);
-
- conf = malloc(sizeof(struct tls));
- if (!conf) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- return 0;
- }
- memset(conf, 0, sizeof(struct tls));
-
- if (!getgenericconfig(cf, block,
- "CACertificateFile", CONF_STR, &conf->cacertfile,
- "CACertificatePath", CONF_STR, &conf->cacertpath,
- "CertificateFile", CONF_STR, &conf->certfile,
- "CertificateKeyFile", CONF_STR, &conf->certkeyfile,
- "CertificateKeyPassword", CONF_STR, &conf->certkeypwd,
- "CacheExpiry", CONF_LINT, &expiry,
- "CRLCheck", CONF_BLN, &conf->crlcheck,
- "PolicyOID", CONF_MSTR, &conf->policyoids,
- NULL
- )) {
- debug(DBG_ERR, "conftls_cb: configuration error in block %s", val);
- goto errexit;
- }
- if (!conf->certfile || !conf->certkeyfile) {
- debug(DBG_ERR, "conftls_cb: TLSCertificateFile and TLSCertificateKeyFile must be specified in block %s", val);
- goto errexit;
- }
- if (!conf->cacertfile && !conf->cacertpath) {
- debug(DBG_ERR, "conftls_cb: CA Certificate file or path need to be specified in block %s", val);
- goto errexit;
- }
- if (expiry != LONG_MIN) {
- if (expiry < 0) {
- debug(DBG_ERR, "error in block %s, value of option CacheExpiry is %ld, may not be negative", val, expiry);
- goto errexit;
- }
- conf->cacheexpiry = expiry;
- }
-
- conf->name = stringcopy(val, 0);
- if (!conf->name) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- goto errexit;
- }
-
- if (!hash_insert(tlsconfs, val, strlen(val), conf)) {
- debug(DBG_ERR, "conftls_cb: malloc failed");
- goto errexit;
- }
- if (!tlsgetctx(RAD_TLS, conf))
- debug(DBG_ERR, "conftls_cb: error creating ctx for TLS block %s", val);
- debug(DBG_DBG, "conftls_cb: added TLS block %s", val);
- return 1;
-
- errexit:
- free(conf->cacertfile);
- free(conf->cacertpath);
- free(conf->certfile);
- free(conf->certkeyfile);
- free(conf->certkeypwd);
- freegconfmstr(conf->policyoids);
- free(conf);
- return 0;
-}
-
int confrewrite_cb(struct gconffile **cf, void *arg, char *block, char *opt, char *val) {
- char **rmattrs = NULL, **rmvattrs = NULL, **addattrs = NULL, **modattrs = NULL;
-
+ 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,
"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");
- addrewrite(val, rmattrs, rmvattrs, addattrs, modattrs);
+ addrewrite(val, rmattrs, rmvattrs, addattrs, addvattrs, modattrs);
+ return 1;
+}
+
+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) {
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 = hash_create();
- if (!tlsconfs)
debugx(1, DBG_ERR, "malloc failed");
-
+
rewriteconfs = hash_create();
if (!rewriteconfs)
- debugx(1, DBG_ERR, "malloc failed");
-
+ debugx(1, DBG_ERR, "malloc failed");
+
if (!getgenericconfig(&cfs, NULL,
- "ListenUDP", CONF_MSTR, &options.listenargs[RAD_UDP],
- "ListenTCP", CONF_MSTR, &options.listenargs[RAD_TCP],
- "ListenTLS", CONF_MSTR, &options.listenargs[RAD_TLS],
- "ListenDTLS", CONF_MSTR, &options.listenargs[RAD_DTLS],
- "SourceUDP", CONF_STR, &options.sourcearg[RAD_UDP],
- "SourceTCP", CONF_STR, &options.sourcearg[RAD_TCP],
- "SourceTLS", CONF_STR, &options.sourcearg[RAD_TLS],
- "SourceDTLS", CONF_STR, &options.sourcearg[RAD_DTLS],
+#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,
"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 != LONG_MIN) {
- if (loglevel < 1 || loglevel > 4)
- debugx(1, DBG_ERR, "error in %s, value of option LogLevel is %d, must be 1, 2, 3 or 4", configfile, loglevel);
+ 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 (!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;
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);
if (!foreground && (daemon(0, 0) < 0))
debugx(1, DBG_ERR, "daemon() failed: %s", strerror(errno));
-
+
debug_timestamp_on();
- debug(DBG_INFO, "radsecproxy revision $Rev$ starting");
+ 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);
- memset(srcprotores, 0, sizeof(srcprotores));
for (entry = list_first(srvconfs); entry; entry = list_next(entry)) {
srvconf = (struct clsrvconf *)entry->data;
if (srvconf->dynamiclookupcommand)
debugx(1, DBG_ERR, "pthread_create failed");
}
- for (i = 0; protodefs[i].name; i++) {
- if (protodefs[i].freesrcprotores && srcprotores[i]) {
- freeaddrinfo(srcprotores[i]);
- srcprotores[i] = NULL;
- }
- if (protodefs[i].initextra)
- protodefs[i].initextra();
+ 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, options.listenargs[i]);
+ createlisteners(i);
}
-
+
/* just hang around doing nothing, anything to do here? */
for (;;)
sleep(1000);
}
+
+/* Local Variables: */
+/* c-file-style: "stroustrup" */
+/* End: */
projects / radsecproxy.git / blobdiff