| /* ==================================================================== |
| * Copyright (c) 1999 The Apache Group. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * 4. The names "Apache Server" and "Apache Group" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Group. |
| * For more information on the Apache Group and the Apache HTTP server |
| * project, please see <http://www.apache.org/>. |
| * |
| */ |
| |
| #include "networkio.h" |
| #include "apr_network_io.h" |
| #include "apr_general.h" |
| #include "apr_lib.h" |
| #include <errno.h> |
| #include <string.h> |
| #include <sys/socket.h> |
| #include <netinet/tcp.h> |
| #include <netinet/in.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| ap_status_t soblock(int sd) |
| { |
| int fd_flags; |
| |
| fd_flags = fcntl(sd, F_GETFL, 0); |
| #if defined(O_NONBLOCK) |
| fd_flags &= ~O_NONBLOCK; |
| #elif defined(O_NDELAY) |
| fd_flags &= ~O_NDELAY; |
| #elif defined(FNDELAY) |
| fd_flags &= ~O_FNDELAY; |
| #else |
| /* XXXX: this breaks things, but an alternative isn't obvious...*/ |
| return -1; |
| #endif |
| if (fcntl(sd, F_SETFL, fd_flags) == -1) { |
| return errno; |
| } |
| return APR_SUCCESS; |
| } |
| |
| ap_status_t sononblock(int sd) |
| { |
| int fd_flags; |
| |
| fd_flags = fcntl(sd, F_GETFL, 0); |
| #if defined(O_NONBLOCK) |
| fd_flags |= O_NONBLOCK; |
| #elif defined(O_NDELAY) |
| fd_flags |= O_NDELAY; |
| #eli f defined(FNDELAY) |
| fd_flags |= O_FNDELAY; |
| #else |
| /* XXXX: this breaks things, but an alternative isn't obvious...*/ |
| return -1; |
| #endif |
| if (fcntl(sd, F_SETFL, fd_flags) == -1) { |
| return errno; |
| } |
| return APR_SUCCESS; |
| } |
| |
| /* ***APRDOC******************************************************** |
| * ap_status_t ap_setsocketopt(ap_socket_t *, ap_int32_t , ap_int32_t) |
| * Setup socket options for the specified socket |
| * arg 1) The socket to set up. |
| * arg 2) The option we would like to configure. One of: |
| * APR_SO_DEBUG -- turn on debugging information |
| * APR_SO_KEEPALIVE -- keep connections active |
| * APR_SO_LINGER -- lingers on close if data is present |
| * APR_SO_NONBLOCK -- Turns blocking on/off for socket |
| * APR_SO_REUSEADDR -- The rules used in validating addresses |
| * supplied to bind should allow reuse |
| * of local addresses. |
| * arg 3) Are we turning the option on or off. |
| */ |
| ap_status_t ap_setsocketopt(struct socket_t *sock, ap_int32_t opt, ap_int32_t on) |
| { |
| int one; |
| struct linger li; |
| ap_status_t stat; |
| |
| if (on) |
| one = 1; |
| else |
| one = 0; |
| |
| if (opt & APR_SO_KEEPALIVE) { |
| if (setsockopt(sock->socketdes, SOL_SOCKET, SO_KEEPALIVE, (void *)&one, sizeof(int)) == -1) { |
| return errno; |
| } |
| } |
| if (opt & APR_SO_DEBUG) { |
| if (setsockopt(sock->socketdes, SOL_SOCKET, SO_DEBUG, (void *)&one, sizeof(int)) == -1) { |
| return errno; |
| } |
| } |
| if (opt & APR_SO_REUSEADDR) { |
| if (setsockopt(sock->socketdes, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(int)) == -1) { |
| return errno; |
| } |
| } |
| if (opt & APR_SO_NONBLOCK) { |
| if (on) { |
| if ((stat = soblock(sock->socketdes)) != APR_SUCCESS) |
| return stat; |
| } |
| else { |
| if ((stat = sononblock(sock->socketdes)) != APR_SUCCESS) |
| return stat; |
| } |
| } |
| if (opt & APR_SO_LINGER) { |
| li.l_onoff = on; |
| li.l_linger = MAX_SECS_TO_LINGER; |
| if (setsockopt(sock->socketdes, SOL_SOCKET, SO_LINGER, (char *) &li, sizeof(struct linger)) == -1) { |
| return errno; |
| } |
| } |
| return APR_SUCCESS; |
| } |
| |
| /* ***APRDOC******************************************************** |
| * ap_status_t ap_gethostname(ap_context_t *, char *, ap_int32_t) |
| * Get name of the current machine |
| * arg 1) The context to use. |
| * arg 2) A buffer to store the hostname in. |
| * arg 3) The maximum length of the hostname that can be stored in the |
| * buffer provided. |
| */ |
| ap_status_t ap_gethostname(ap_context_t *cont, char *buf, ap_int32_t len) |
| { |
| if (gethostname(buf, len) == -1) |
| return errno; |
| else |
| return APR_SUCCESS; |
| } |
| |
| /* ***APRDOC******************************************************** |
| * ap_status_t ap_get_remote_hostname(ap_socket_t *, char *) |
| * Get name of the machine we are currently connected to. |
| * arg 1) The socket to examine. |
| * arg 2) A buffer to store the hostname in. |
| */ |
| ap_status_t ap_get_remote_hostname(struct socket_t *sock, char **name) |
| { |
| (*name) = ap_pstrdup(sock->cntxt, sock->remote_hostname); |
| if (*name) { |
| return APR_SUCCESS; |
| } |
| return APR_ENOMEM; |
| } |
| |
| |