struct udp {
struct udpcommon uc;
struct udpsocks socks;
+ bool_t addr_configured;
};
/*
void udp_sock_experienced(struct log_if *lg, struct udpcommon *uc,
struct udpsocks *socks, struct udpsock *us,
- bool_t recvsend, int af,
+ const union iaddr *dest, int af,
int r, int errnoval)
{
bool_t success=r>=0;
- if (us->experienced[recvsend][af][success]++)
+ if (us->experienced[!!dest][af][success]++)
return;
lg_perror(lg, uc->cc.cl.description, &uc->cc.loc,
success ? M_INFO : M_WARNING,
success ? 0 : errnoval,
- "%s %s experiencing some %s %s%s%s",
+ "%s %s experiencing some %s %s%s%s%s%s%s",
socks->desc,iaddr_to_string(&us->addr),
success?"success":"trouble",
- recvsend?"transmitting":"receiving",
- af?" ":"", af?af_name(af):"");
+ dest?"transmitting":"receiving",
+ af?" ":"", af?af_name(af):"",
+ dest?" (to ":"",
+ dest?iaddr_to_string(dest):"",
+ dest?")":"");
}
static void udp_socks_afterpoll(void *state, struct pollfd *fds, int nfds)
memcpy(sa+6,&dest->ia.sin.sin_port,2);
int r=sendto(us->fd,sa,buf->size+8,0,&uc->proxy.sa,
iaddr_socklen(&uc->proxy));
- udp_sock_experienced(0,uc,socks,us, 1,0, r,errno);
+ udp_sock_experienced(0,uc,socks,us, &dest->ia,0, r,errno);
buf_unprepend(buf,8);
} else {
int i,r;
continue;
r=sendto(us->fd, buf->start, buf->size, 0,
&dest->ia.sa, iaddr_socklen(&dest->ia));
- udp_sock_experienced(0,uc,socks,us, 1,af, r,errno);
+ udp_sock_experienced(0,uc,socks,us, &dest->ia,af, r,errno);
if (r>=0) return True;
if (!(errno==EAFNOSUPPORT || errno==ENETUNREACH))
/* who knows what that error means? */
if (uc->authbind) {
pid_t c;
int status;
+ char desc[200];
+ snprintf(desc,sizeof(desc),"authbind for %s: %s",
+ iaddr_to_string(addr), uc->authbind);
/* XXX this fork() and waitpid() business needs to be hidden
in some system-specific library functions. */
if (WIFEXITED(status) && WEXITSTATUS(status)<127) {
int es=WEXITSTATUS(status);
lg_perror(FAIL_LG,es,
- "authbind exited with error exit status %d;"
- " indicates error",es);
+ "%s exited with error exit status %d;"
+ " indicates error",desc,es);
} else {
- lg_exitstatus(FAIL_LG,status,"authbind");
+ lg_exitstatus(FAIL_LG,status,desc);
}
goto failed;
}
struct udpsocks *socks=&st->socks;
struct udpcommon *uc=&st->uc;
int i;
- for (i=0; i<socks->n_socks; i++)
- udp_make_socket(uc,&socks->socks[i],M_FATAL);
+ bool_t anydone=0;
+
+ for (i=0; i<socks->n_socks; i++) {
+ bool_t required=st->addr_configured
+ || (!anydone && i==socks->n_socks-1);
+ anydone += udp_make_socket(uc,&socks->socks[i],
+ required ? M_FATAL : M_WARNING);
+ }
udp_socks_register(uc,socks, uc->use_proxy ? "proxy" : "socket");
};
caddrl=dict_lookup(d,"address");
- socks->n_socks=caddrl ? list_length(caddrl) : (int)ARRAY_SIZE(defaultaddrs);
+ st->addr_configured=!!caddrl;
+ socks->n_socks=st->addr_configured ? list_length(caddrl)
+ : (int)ARRAY_SIZE(defaultaddrs);
if (socks->n_socks<=0 || socks->n_socks>UDP_MAX_SOCKETS)
cfgfatal(cc->loc,"udp","`address' must be 1..%d addresses",
UDP_MAX_SOCKETS);
for (i=0; i<socks->n_socks; i++) {
struct udpsock *us=&socks->socks[i];
- if (!list_length(caddrl)) {
+ if (!st->addr_configured) {
us->addr=defaultaddrs[i];
} else {
string_item_to_iaddr(list_elem(caddrl,i),uc->port,&us->addr,"udp");