#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "htparser.h"
+struct tcpport {
+ int fd;
+ int sport;
+};
+
struct tcpconn {
struct sockaddr_storage name;
+ struct tcpport *port;
+ int fd;
};
-static int listensock4(int port)
+int listensock4(int port)
{
struct sockaddr_in name;
int fd;
close(fd);
return(-1);
}
- if(listen(fd, 16) < 0) {
+ if(listen(fd, 128) < 0) {
close(fd);
return(-1);
}
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
return(fd);
}
-static int listensock6(int port)
+int listensock6(int port)
{
struct sockaddr_in6 name;
int fd;
close(fd);
return(-1);
}
- if(listen(fd, 16) < 0) {
+ if(listen(fd, 128) < 0) {
close(fd);
return(-1);
}
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
return(fd);
}
+char *formathaddress(struct sockaddr *name, socklen_t namelen)
+{
+ static char buf[128];
+ struct sockaddr_in *v4;
+ struct sockaddr_in6 *v6;
+
+ switch(name->sa_family) {
+ case AF_INET:
+ v4 = (struct sockaddr_in *)name;
+ if(!inet_ntop(AF_INET, &v4->sin_addr, buf, sizeof(buf)))
+ return(NULL);
+ return(buf);
+ case AF_INET6:
+ v6 = (struct sockaddr_in6 *)name;
+ if(IN6_IS_ADDR_V4MAPPED(&v6->sin6_addr)) {
+ if(!inet_ntop(AF_INET, ((char *)&v6->sin6_addr) + 12, buf, sizeof(buf)))
+ return(NULL);
+ } else {
+ if(!inet_ntop(AF_INET6, &v6->sin6_addr, buf, sizeof(buf)))
+ return(NULL);
+ }
+ return(buf);
+ default:
+ errno = EPFNOSUPPORT;
+ return(NULL);
+ }
+}
+
static int initreq(struct conn *conn, struct hthead *req)
{
struct tcpconn *tcp = conn->pdata;
- char nmbuf[256];
+ struct sockaddr_storage sa;
+ socklen_t salen;
- if(tcp->name.ss_family == AF_INET) {
- headappheader(req, "X-Ash-Address", inet_ntop(AF_INET, &((struct sockaddr_in *)&tcp->name)->sin_addr, nmbuf, sizeof(nmbuf)));
+ headappheader(req, "X-Ash-Address", formathaddress((struct sockaddr *)&tcp->name, sizeof(sa)));
+ if(tcp->name.ss_family == AF_INET)
headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in *)&tcp->name)->sin_port)));
- } else if(tcp->name.ss_family == AF_INET6) {
- headappheader(req, "X-Ash-Address", inet_ntop(AF_INET6, &((struct sockaddr_in6 *)&tcp->name)->sin6_addr, nmbuf, sizeof(nmbuf)));
+ else if(tcp->name.ss_family == AF_INET6)
headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in6 *)&tcp->name)->sin6_port)));
- }
+ salen = sizeof(sa);
+ if(!getsockname(tcp->fd, (struct sockaddr *)&sa, &salen))
+ headappheader(req, "X-Ash-Server-Address", formathaddress((struct sockaddr *)&sa, sizeof(sa)));
+ headappheader(req, "X-Ash-Server-Port", sprintf3("%i", tcp->port->sport));
+ headappheader(req, "X-Ash-Protocol", "http");
return(0);
}
{
vavar(int, fd);
vavar(struct sockaddr_storage, name);
- FILE *in;
- struct conn *conn;
- struct tcpconn *tcp;
-
- in = mtstdopen(fd, 1, 60, "r+");
- omalloc(conn);
- conn->pdata = omalloc(tcp);
- conn->initreq = initreq;
- tcp->name = name;
+ vavar(struct tcpport *, stcp);
+ struct bufio *in;
+ struct conn conn;
+ struct tcpconn tcp;
- serve(in, conn);
-
- free(tcp);
- free(conn);
+ memset(&conn, 0, sizeof(conn));
+ memset(&tcp, 0, sizeof(tcp));
+ in = mtbioopen(fd, 1, 60, "r+", NULL);
+ conn.pdata = &tcp;
+ conn.initreq = initreq;
+ tcp.fd = fd;
+ tcp.name = name;
+ tcp.port = stcp;
+ serve(in, fd, &conn);
}
static void listenloop(struct muth *muth, va_list args)
{
- vavar(int, ss);
- int ns;
+ vavar(struct tcpport *, tcp);
+ int i, ns, n;
struct sockaddr_storage name;
socklen_t namelen;
+ fcntl(tcp->fd, F_SETFL, fcntl(tcp->fd, F_GETFL) | O_NONBLOCK);
while(1) {
namelen = sizeof(name);
- block(ss, EV_READ, 0);
- ns = accept(ss, (struct sockaddr *)&name, &namelen);
- if(ns < 0) {
- flog(LOG_ERR, "accept: %s", strerror(errno));
+ if(block(tcp->fd, EV_READ, 0) == 0)
goto out;
+ n = 0;
+ while(1) {
+ ns = accept(tcp->fd, (struct sockaddr *)&name, &namelen);
+ if(ns < 0) {
+ if(errno == EAGAIN)
+ break;
+ if(errno == ECONNABORTED)
+ continue;
+ flog(LOG_ERR, "accept: %s", strerror(errno));
+ goto out;
+ }
+ mustart(servetcp, ns, name, tcp);
+ if(++n >= 100)
+ break;
}
- mustart(servetcp, ns, name);
}
out:
- close(ss);
+ close(tcp->fd);
+ free(tcp);
+ for(i = 0; i < listeners.d; i++) {
+ if(listeners.b[i] == muth)
+ bufdel(listeners, i);
+ }
}
void handleplain(int argc, char **argp, char **argv)
{
int port, fd;
int i;
+ struct tcpport *tcp;
port = 80;
for(i = 0; i < argc; i++) {
if(!strcmp(argp[i], "help")) {
printf("plain handler parameters:\n");
- printf("\tport=TCP-PORT (default is 80)\n");
+ printf("\tport=TCP-PORT [80]\n");
+ printf("\t\tThe TCP port to listen on.\n");
exit(0);
} else if(!strcmp(argp[i], "port")) {
port = atoi(argv[i]);
flog(LOG_ERR, "could not listen on IPv6 (port %i): %s", port, strerror(errno));
exit(1);
}
- mustart(listenloop, fd);
+ omalloc(tcp);
+ tcp->fd = fd;
+ tcp->sport = port;
+ bufadd(listeners, mustart(listenloop, tcp));
if((fd = listensock4(port)) < 0) {
if(errno != EADDRINUSE) {
flog(LOG_ERR, "could not listen on IPv4 (port %i): %s", port, strerror(errno));
exit(1);
}
} else {
- mustart(listenloop, fd);
+ omalloc(tcp);
+ tcp->fd = fd;
+ tcp->sport = port;
+ bufadd(listeners, mustart(listenloop, tcp));
}
}