/*
- * 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
#include <arpa/inet.h>
#include <regex.h>
#include <pthread.h>
-#include <openssl/ssl.h>
-#include "debug.h"
#include "list.h"
-#include "util.h"
+#include "hostport.h"
#include "radsecproxy.h"
-#include "tls.h"
+
+#ifdef RADPROT_UDP
+#include "debug.h"
+#include "util.h"
+
+static void setprotoopts(struct commonprotoopts *opts);
+static char **getlistenerargs();
+void *udpserverrd(void *arg);
+int clientradputudp(struct server *server, unsigned char *rad);
+void addclientudp(struct client *client);
+void addserverextraudp(struct clsrvconf *conf);
+void udpsetsrcres();
+void initextraudp();
+
+static const struct protodefs protodefs = {
+ "udp",
+ NULL, /* secretdefault */
+ SOCK_DGRAM, /* socktype */
+ "1812", /* portdefault */
+ REQUEST_RETRY_COUNT, /* retrycountdefault */
+ 10, /* retrycountmax */
+ REQUEST_RETRY_INTERVAL, /* retryintervaldefault */
+ 60, /* retryintervalmax */
+ DUPLICATE_INTERVAL, /* duplicateintervaldefault */
+ setprotoopts, /* setprotoopts */
+ getlistenerargs, /* getlistenerargs */
+ udpserverrd, /* listener */
+ NULL, /* connecter */
+ NULL, /* clientconnreader */
+ clientradputudp, /* clientradput */
+ addclientudp, /* addclient */
+ addserverextraudp, /* addserverextra */
+ udpsetsrcres, /* setsrcres */
+ initextraudp /* initextra */
+};
static int client4_sock = -1;
static int client6_sock = -1;
-static struct queue *server_replyq = NULL;
+static struct gqueue *server_replyq = NULL;
static struct addrinfo *srcres = NULL;
+static uint8_t handle;
+static struct commonprotoopts *protoopts = NULL;
+
+const struct protodefs *udpinit(uint8_t h) {
+ handle = h;
+ return &protodefs;
+}
-void udpsetsrcres(char *source) {
+static void setprotoopts(struct commonprotoopts *opts) {
+ protoopts = opts;
+}
+
+static char **getlistenerargs() {
+ return protoopts ? protoopts->listenargs : NULL;
+}
+
+void udpsetsrcres() {
if (!srcres)
- srcres = resolve_hostport_addrinfo(RAD_UDP, source);
+ srcres = resolvepassiveaddrinfo(protoopts ? protoopts->sourcearg : NULL, NULL, protodefs.socktype);
}
void removeudpclientfromreplyq(struct client *c) {
struct list_node *n;
struct request *r;
-
+
/* lock the common queue and remove replies for this client */
pthread_mutex_lock(&c->replyq->mutex);
for (n = list_first(c->replyq->entries); n; n = list_next(n)) {
r->from = NULL;
}
pthread_mutex_unlock(&c->replyq->mutex);
-}
+}
+
+static int addr_equal(struct sockaddr *a, struct sockaddr *b) {
+ switch (a->sa_family) {
+ case AF_INET:
+ return !memcmp(&((struct sockaddr_in*)a)->sin_addr,
+ &((struct sockaddr_in*)b)->sin_addr,
+ sizeof(struct in_addr));
+ case AF_INET6:
+ return IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6*)a)->sin6_addr,
+ &((struct sockaddr_in6*)b)->sin6_addr);
+ default:
+ /* Must not reach */
+ return 0;
+ }
+}
+
+uint16_t port_get(struct sockaddr *sa) {
+ switch (sa->sa_family) {
+ case AF_INET:
+ return ntohs(((struct sockaddr_in *)sa)->sin_port);
+ case AF_INET6:
+ return ntohs(((struct sockaddr_in6 *)sa)->sin6_port);
+ }
+ return 0;
+}
/* exactly one of client and server must be non-NULL */
/* return who we received from in *client or *server */
fd_set readfds;
struct client *c = NULL;
struct timeval now;
-
+
for (;;) {
if (rad) {
free(rad);
debug(DBG_WARN, "radudpget: recv failed");
continue;
}
- if (cnt < 20) {
- debug(DBG_WARN, "radudpget: length too small");
- recv(s, buf, 4, 0);
- continue;
- }
-
+
p = client
- ? find_clconf(RAD_UDP, (struct sockaddr *)&from, NULL)
- : find_srvconf(RAD_UDP, (struct sockaddr *)&from, NULL);
+ ? find_clconf(handle, (struct sockaddr *)&from, NULL)
+ : find_srvconf(handle, (struct sockaddr *)&from, NULL);
if (!p) {
debug(DBG_WARN, "radudpget: got packet from wrong or unknown UDP peer %s, ignoring", addr2string((struct sockaddr *)&from));
recv(s, buf, 4, 0);
continue;
}
-
+
len = RADLEN(buf);
if (len < 20) {
debug(DBG_WARN, "radudpget: length too small");
recv(s, buf, 4, 0);
continue;
}
-
+
rad = malloc(len);
if (!rad) {
debug(DBG_ERR, "radudpget: malloc failed");
recv(s, buf, 4, 0);
continue;
}
-
+
cnt = recv(s, rad, len, MSG_TRUNC);
debug(DBG_DBG, "radudpget: got %d bytes from %s", cnt, addr2string((struct sockaddr *)&from));
}
if (c->expiry >= now.tv_sec)
continue;
-
+
debug(DBG_DBG, "radudpget: removing expired client (%s)", addr2string(c->addr));
removeudpclientfromreplyq(c);
c->replyq = NULL; /* stop removeclient() from removing common udp replyq */
int clientradputudp(struct server *server, unsigned char *rad) {
size_t len;
struct clsrvconf *conf = server->conf;
-
+ struct addrinfo *ai;
+
len = RADLEN(rad);
- if (sendto(server->sock, rad, len, 0, conf->addrinfo->ai_addr, conf->addrinfo->ai_addrlen) >= 0) {
- debug(DBG_DBG, "clienradputudp: sent UDP of length %d to %s port %d", len, conf->host, port_get(conf->addrinfo->ai_addr));
+ ai = ((struct hostportres *)list_first(conf->hostports)->data)->addrinfo;
+ if (sendto(server->sock, rad, len, 0, ai->ai_addr, ai->ai_addrlen) >= 0) {
+ debug(DBG_DBG, "clienradputudp: sent UDP of length %d to %s port %d", len, addr2string(ai->ai_addr), port_get(ai->ai_addr));
return 1;
}
struct server *server;
unsigned char *buf;
int *s = (int *)arg;
-
+
for (;;) {
server = NULL;
buf = radudpget(*s, NULL, &server, NULL);
void *udpserverrd(void *arg) {
struct request *rq;
int *sp = (int *)arg;
-
+
for (;;) {
rq = newrequest();
if (!rq) {
radsrv(rq);
}
free(sp);
+ return NULL;
}
void *udpserverwr(void *arg) {
- struct queue *replyq = (struct queue *)arg;
+ struct gqueue *replyq = (struct gqueue *)arg;
struct request *reply;
struct sockaddr_storage to;
-
+
for (;;) {
pthread_mutex_lock(&replyq->mutex);
while (!(reply = (struct request *)list_shift(replyq->entries))) {
}
void addserverextraudp(struct clsrvconf *conf) {
- switch (conf->addrinfo->ai_family) {
+ switch (((struct hostportres *)list_first(conf->hostports)->data)->addrinfo->ai_family) {
case AF_INET:
if (client4_sock < 0) {
client4_sock = bindtoaddr(srcres, AF_INET, 0, 1);
if (client4_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->host);
+ debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->name);
}
conf->servers->sock = client4_sock;
break;
if (client6_sock < 0) {
client6_sock = bindtoaddr(srcres, AF_INET6, 0, 1);
if (client6_sock < 0)
- debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->host);
+ debugx(1, DBG_ERR, "addserver: failed to create client socket for server %s", conf->name);
}
conf->servers->sock = client6_sock;
break;
freeaddrinfo(srcres);
srcres = NULL;
}
-
+
if (client4_sock >= 0)
if (pthread_create(&cl4th, NULL, udpclientrd, (void *)&client4_sock))
debugx(1, DBG_ERR, "pthread_create failed");
if (pthread_create(&cl6th, NULL, udpclientrd, (void *)&client6_sock))
debugx(1, DBG_ERR, "pthread_create failed");
- if (find_clconf_type(RAD_UDP, NULL)) {
+ if (find_clconf_type(handle, NULL)) {
server_replyq = newqueue();
if (pthread_create(&srvth, NULL, udpserverwr, (void *)server_replyq))
debugx(1, DBG_ERR, "pthread_create failed");
}
}
+#else
+const struct protodefs *udpinit(uint8_t h) {
+ return NULL;
+}
+#endif
+
+/* Local Variables: */
+/* c-file-style: "stroustrup" */
+/* End: */
projects / libradsec.git / blobdiff