/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "apr_arch_networkio.h" #include "apr_network_io.h" #include "apr_general.h" #include "apr_strings.h" #include <string.h> apr_status_t soblock(SOCKET sd) { u_long zero = 0; if (ioctlsocket(sd, FIONBIO, &zero) == SOCKET_ERROR) { return apr_get_netos_error(); } return APR_SUCCESS; } apr_status_t sononblock(SOCKET sd) { u_long one = 1; if (ioctlsocket(sd, FIONBIO, &one) == SOCKET_ERROR) { return apr_get_netos_error(); } return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_socket_timeout_set(apr_socket_t *sock, apr_interval_time_t t) { apr_status_t stat; if (t == 0) { /* Set the socket non-blocking if it was previously blocking */ if (sock->timeout != 0) { if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS) return stat; } } else if (t > 0) { /* Set the socket to blocking if it was previously non-blocking */ if (sock->timeout == 0) { if ((stat = soblock(sock->socketdes)) != APR_SUCCESS) return stat; } /* Reset socket timeouts if the new timeout differs from the old timeout */ if (sock->timeout != t) { /* Win32 timeouts are in msec, represented as int */ sock->timeout_ms = (int)apr_time_as_msec(t); setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVTIMEO, (char *) &sock->timeout_ms, sizeof(sock->timeout_ms)); setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDTIMEO, (char *) &sock->timeout_ms, sizeof(sock->timeout_ms)); } } else if (t < 0) { int zero = 0; /* Set the socket to blocking with infinite timeouts */ if ((stat = soblock(sock->socketdes)) != APR_SUCCESS) return stat; setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVTIMEO, (char *) &zero, sizeof(zero)); setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDTIMEO, (char *) &zero, sizeof(zero)); } sock->timeout = t; return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_socket_opt_set(apr_socket_t *sock, apr_int32_t opt, apr_int32_t on) { int one; apr_status_t stat; one = on ? 1 : 0; switch (opt) { case APR_SO_KEEPALIVE: if (on != apr_is_option_set(sock, APR_SO_KEEPALIVE)) { if (setsockopt(sock->socketdes, SOL_SOCKET, SO_KEEPALIVE, (void *)&one, sizeof(int)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_SO_KEEPALIVE, on); } break; case APR_SO_DEBUG: if (on != apr_is_option_set(sock, APR_SO_DEBUG)) { if (setsockopt(sock->socketdes, SOL_SOCKET, SO_DEBUG, (void *)&one, sizeof(int)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_SO_DEBUG, on); } break; case APR_SO_SNDBUF: if (setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDBUF, (void *)&on, sizeof(int)) == -1) { return apr_get_netos_error(); } break; case APR_SO_RCVBUF: if (setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVBUF, (void *)&on, sizeof(int)) == -1) { return apr_get_netos_error(); } break; case APR_SO_REUSEADDR: if (on != apr_is_option_set(sock, APR_SO_REUSEADDR)) { if (setsockopt(sock->socketdes, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(int)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_SO_REUSEADDR, on); } break; case APR_SO_NONBLOCK: if (apr_is_option_set(sock, APR_SO_NONBLOCK) != on) { if (on) { if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS) return stat; } else { if ((stat = soblock(sock->socketdes)) != APR_SUCCESS) return stat; } apr_set_option(sock, APR_SO_NONBLOCK, on); } break; case APR_SO_LINGER: { if (apr_is_option_set(sock, APR_SO_LINGER) != on) { struct linger li; li.l_onoff = on; li.l_linger = APR_MAX_SECS_TO_LINGER; if (setsockopt(sock->socketdes, SOL_SOCKET, SO_LINGER, (char *) &li, sizeof(struct linger)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_SO_LINGER, on); } break; } case APR_TCP_DEFER_ACCEPT: #if defined(TCP_DEFER_ACCEPT) if (apr_is_option_set(sock, APR_TCP_DEFER_ACCEPT) != on) { int optlevel = IPPROTO_TCP; int optname = TCP_DEFER_ACCEPT; if (setsockopt(sock->socketdes, optlevel, optname, (void *)&on, sizeof(int)) == -1) { return errno; } apr_set_option(sock, APR_TCP_DEFER_ACCEPT, on); } #else return APR_ENOTIMPL; #endif case APR_TCP_NODELAY: if (apr_is_option_set(sock, APR_TCP_NODELAY) != on) { int optlevel = IPPROTO_TCP; int optname = TCP_NODELAY; #if APR_HAVE_SCTP if (sock->protocol == IPPROTO_SCTP) { optlevel = IPPROTO_SCTP; optname = SCTP_NODELAY; } #endif if (setsockopt(sock->socketdes, optlevel, optname, (void *)&on, sizeof(int)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_TCP_NODELAY, on); } break; case APR_IPV6_V6ONLY: #if APR_HAVE_IPV6 && defined(IPV6_V6ONLY) /* we don't know the initial setting of this option, * so don't check sock->options since that optimization * won't work */ if (setsockopt(sock->socketdes, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&on, sizeof(int)) == -1) { return apr_get_netos_error(); } apr_set_option(sock, APR_IPV6_V6ONLY, on); #else return APR_ENOTIMPL; #endif break; default: return APR_EINVAL; break; } return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_socket_timeout_get(apr_socket_t *sock, apr_interval_time_t *t) { *t = sock->timeout; return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_socket_opt_get(apr_socket_t *sock, apr_int32_t opt, apr_int32_t *on) { switch (opt) { case APR_SO_DISCONNECTED: *on = sock->disconnected; break; case APR_SO_KEEPALIVE: case APR_SO_DEBUG: case APR_SO_REUSEADDR: case APR_SO_NONBLOCK: case APR_SO_LINGER: default: *on = apr_is_option_set(sock, opt); break; } return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_socket_atmark(apr_socket_t *sock, int *atmark) { u_long oobmark; if (ioctlsocket(sock->socketdes, SIOCATMARK, (void*) &oobmark) < 0) return apr_get_netos_error(); *atmark = (oobmark != 0); return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_gethostname(char *buf, int len, apr_pool_t *cont) { if (gethostname(buf, len) == -1) { buf[0] = '\0'; return apr_get_netos_error(); } else if (!memchr(buf, '\0', len)) { /* buffer too small */ buf[0] = '\0'; return APR_ENAMETOOLONG; } return APR_SUCCESS; }
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