| /* 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; |
| } |
| |