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Diffstat (limited to 'udp.c')
-rw-r--r--udp.c133
1 files changed, 110 insertions, 23 deletions
diff --git a/udp.c b/udp.c
index 571c005..7ecf257 100644
--- a/udp.c
+++ b/udp.c
@@ -1,5 +1,5 @@
/*
- * 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
@@ -24,16 +24,70 @@
#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;
+}
+
+static void setprotoopts(struct commonprotoopts *opts) {
+ protoopts = opts;
+}
+
+static char **getlistenerargs() {
+ return protoopts ? protoopts->listenargs : NULL;
+}
+
+void udpsetsrcres() {
+ if (!srcres)
+ srcres = resolvepassiveaddrinfo(protoopts ? protoopts->sourcearg : NULL, NULL, protodefs.socktype);
+}
void removeudpclientfromreplyq(struct client *c) {
struct list_node *n;
@@ -49,6 +103,31 @@ void removeudpclientfromreplyq(struct client *c) {
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 */
/* return from in sa if not NULL */
@@ -78,15 +157,10 @@ unsigned char *radudpget(int s, struct client **client, struct server **server,
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);
@@ -170,10 +244,12 @@ unsigned char *radudpget(int s, struct client **client, struct server **server,
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;
}
@@ -208,10 +284,11 @@ void *udpserverrd(void *arg) {
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;
@@ -241,20 +318,20 @@ void addclientudp(struct client *client) {
}
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(getsrcprotores(RAD_UDP), AF_INET, 0, 1);
+ 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;
case AF_INET6:
if (client6_sock < 0) {
- client6_sock = bindtoaddr(getsrcprotores(RAD_UDP), AF_INET6, 0, 1);
+ 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;
@@ -265,6 +342,11 @@ void addserverextraudp(struct clsrvconf *conf) {
void initextraudp() {
pthread_t cl4th, cl6th, srvth;
+
+ if (srcres) {
+ freeaddrinfo(srcres);
+ srcres = NULL;
+ }
if (client4_sock >= 0)
if (pthread_create(&cl4th, NULL, udpclientrd, (void *)&client4_sock))
@@ -273,9 +355,14 @@ void initextraudp() {
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
generated by cgit v1.1 at 2024-12-27 09:18:53 +0000