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https://github.com/moparisthebest/curl
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6e4835c795
Do not try to resolve interfaces names via DNS by recognizing interface names in a few ways. If the interface option argument has a prefix of "if!" then treat the argument as only an interface. Similarly, if the interface argument is the name of an interface (even if it does not have an IP address assigned), treat it as an interface name. Finally, if the interface argument is prefixed by "host!" treat it as a hostname that must be resolved by /etc/hosts or DNS. These changes allow a client using the multi interfaces to avoid blocking on name resolution if the interface loses its IP address or disappears.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
#ifndef __IF2IP_H
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#define __IF2IP_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "setup.h"
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extern bool Curl_if_is_interface_name(const char *interface);
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extern char *Curl_if2ip(int af, const char *interf, char *buf, int buf_size);
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#ifdef __INTERIX
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#include <sys/socket.h>
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/* Nedelcho Stanev's work-around for SFU 3.0 */
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struct ifreq {
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#define IFNAMSIZ 16
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#define IFHWADDRLEN 6
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union {
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char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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} ifr_ifrn;
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union {
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struct sockaddr ifru_addr;
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struct sockaddr ifru_broadaddr;
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struct sockaddr ifru_netmask;
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struct sockaddr ifru_hwaddr;
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short ifru_flags;
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int ifru_metric;
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int ifru_mtu;
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} ifr_ifru;
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};
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/* This define was added by Daniel to avoid an extra #ifdef INTERIX in the
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C code. */
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#define ifr_name ifr_ifrn.ifrn_name /* interface name */
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#define ifr_addr ifr_ifru.ifru_addr /* address */
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#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* broadcast address */
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#define ifr_netmask ifr_ifru.ifru_netmask /* interface net mask */
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#define ifr_flags ifr_ifru.ifru_flags /* flags */
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#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
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#define ifr_metric ifr_ifru.ifru_metric /* metric */
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#define ifr_mtu ifr_ifru.ifru_mtu /* mtu */
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#define SIOCGIFADDR _IOW('s', 102, struct ifreq) /* Get if addr */
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#endif /* interix */
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#endif
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