* @sock: pointer to storage of resulting socket.
* @host: the host name or path (for AF_UNIX) to connect to.
* @port: the port to connect to (ignored for AF_UNIX).
+ * @bindhost: source host or path (for AF_UNIX).
+ * @bindport: source port (ignored for AF_UNIX).
* @family: desired socket family, may be AF_INET, AF_INET6, AF_UNIX or
* AF_UNSPEC
* @type: socket type, must be SOCK_STREAM or SOCK_DGRAM
* Returns 1 on success, 0 on failure.
*/
int init_client(int *sock, const char *host, const char *port,
+ const char *bindhost, const char *bindport,
int family, int type, int protocol)
{
BIO_ADDRINFO *res = NULL;
+ BIO_ADDRINFO *bindaddr = NULL;
const BIO_ADDRINFO *ai = NULL;
+ const BIO_ADDRINFO *bi = NULL;
+ int found = 0;
int ret;
if (BIO_sock_init() != 1)
return 0;
}
+ if (bindhost != NULL || bindport != NULL) {
+ ret = BIO_lookup_ex(bindhost, bindport, BIO_LOOKUP_CLIENT,
+ family, type, protocol, &bindaddr);
+ if (ret == 0) {
+ ERR_print_errors (bio_err);
+ goto out;
+ }
+ }
+
ret = 0;
for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
/* Admittedly, these checks are quite paranoid, we should not get
&& (protocol == 0
|| protocol == BIO_ADDRINFO_protocol(ai)));
+ if (bindaddr != NULL) {
+ for (bi = bindaddr; bi != NULL; bi = BIO_ADDRINFO_next(bi)) {
+ if (BIO_ADDRINFO_family(bi) == BIO_ADDRINFO_family(ai))
+ break;
+ }
+ if (bi == NULL)
+ continue;
+ ++found;
+ }
+
*sock = BIO_socket(BIO_ADDRINFO_family(ai), BIO_ADDRINFO_socktype(ai),
BIO_ADDRINFO_protocol(ai), 0);
if (*sock == INVALID_SOCKET) {
continue;
}
+ if (bi != NULL) {
+ if (!BIO_bind(*sock, BIO_ADDRINFO_address(bi),
+ BIO_SOCK_REUSEADDR)) {
+ BIO_closesocket(*sock);
+ *sock = INVALID_SOCKET;
+ break;
+ }
+ }
+
#ifndef OPENSSL_NO_SCTP
if (protocol == IPPROTO_SCTP) {
/*
}
#endif
- if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai), 0)) {
+ if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai), BIO_SOCK_NODELAY)) {
BIO_closesocket(*sock);
*sock = INVALID_SOCKET;
continue;
}
if (*sock == INVALID_SOCKET) {
+ if (bindaddr != NULL && !found) {
+ BIO_printf(bio_err, "Can't bind %saddress for %s%s%s\n",
+ BIO_ADDRINFO_family(res) == AF_INET6 ? "IPv6 " :
+ BIO_ADDRINFO_family(res) == AF_INET ? "IPv4 " :
+ BIO_ADDRINFO_family(res) == AF_UNIX ? "unix " : "",
+ bindhost != NULL ? bindhost : "",
+ bindport != NULL ? ":" : "",
+ bindport != NULL ? bindport : "");
+ ERR_clear_error();
+ ret = 0;
+ }
ERR_print_errors(bio_err);
} else {
/* Remove any stale errors from previous connection attempts */
ERR_clear_error();
ret = 1;
}
+out:
+ if (bindaddr != NULL) {
+ BIO_ADDRINFO_free (bindaddr);
+ }
BIO_ADDRINFO_free(res);
return ret;
}
*/
int do_server(int *accept_sock, const char *host, const char *port,
int family, int type, int protocol, do_server_cb cb,
- unsigned char *context, int naccept)
+ unsigned char *context, int naccept, BIO *bio_s_out)
{
int asock = 0;
int sock;
int i;
BIO_ADDRINFO *res = NULL;
const BIO_ADDRINFO *next;
- int sock_family, sock_type, sock_protocol;
+ int sock_family, sock_type, sock_protocol, sock_port;
const BIO_ADDR *sock_address;
int sock_options = BIO_SOCK_REUSEADDR;
int ret = 0;
}
#endif
+ sock_port = BIO_ADDR_rawport(sock_address);
+
BIO_ADDRINFO_free(res);
res = NULL;
+ if (sock_port == 0) {
+ /* dynamically allocated port, report which one */
+ union BIO_sock_info_u info;
+ char *hostname = NULL;
+ char *service = NULL;
+ int success = 0;
+
+ if ((info.addr = BIO_ADDR_new()) != NULL
+ && BIO_sock_info(asock, BIO_SOCK_INFO_ADDRESS, &info)
+ && (hostname = BIO_ADDR_hostname_string(info.addr, 1)) != NULL
+ && (service = BIO_ADDR_service_string(info.addr, 1)) != NULL
+ && BIO_printf(bio_s_out,
+ strchr(hostname, ':') == NULL
+ ? /* IPv4 */ "ACCEPT %s:%s\n"
+ : /* IPv6 */ "ACCEPT [%s]:%s\n",
+ hostname, service) > 0)
+ success = 1;
+
+ (void)BIO_flush(bio_s_out);
+ OPENSSL_free(hostname);
+ OPENSSL_free(service);
+ BIO_ADDR_free(info.addr);
+ if (!success) {
+ BIO_closesocket(asock);
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ } else {
+ (void)BIO_printf(bio_s_out, "ACCEPT\n");
+ (void)BIO_flush(bio_s_out);
+ }
+
if (accept_sock != NULL)
*accept_sock = asock;
for (;;) {
BIO_closesocket(asock);
break;
}
+ BIO_set_tcp_ndelay(sock, 1);
i = (*cb)(sock, type, protocol, context);
- /*
- * Give the socket time to send its last data before we close it.
- * No amount of setting SO_LINGER etc on the socket seems to
- * persuade Windows to send the data before closing the socket...
- * but sleeping for a short time seems to do it (units in ms)
- * TODO: Find a better way to do this
- */
-#if defined(OPENSSL_SYS_WINDOWS)
- Sleep(50);
-#elif defined(OPENSSL_SYS_CYGWIN)
- usleep(50000);
-#endif
-
/*
* If we ended with an alert being sent, but still with data in the
* network buffer to be read, then calling BIO_closesocket() will