diff options
Diffstat (limited to 'libcurl/src/lib/if2ip.c')
| -rw-r--r-- | libcurl/src/lib/if2ip.c | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/libcurl/src/lib/if2ip.c b/libcurl/src/lib/if2ip.c deleted file mode 100644 index c4f6e70..0000000 --- a/libcurl/src/lib/if2ip.c +++ /dev/null @@ -1,271 +0,0 @@ -/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-# include <arpa/inet.h>
-#endif
-#ifdef HAVE_NET_IF_H
-# include <net/if.h>
-#endif
-#ifdef HAVE_SYS_IOCTL_H
-# include <sys/ioctl.h>
-#endif
-#ifdef HAVE_NETDB_H
-# include <netdb.h>
-#endif
-#ifdef HAVE_SYS_SOCKIO_H
-# include <sys/sockio.h>
-#endif
-#ifdef HAVE_IFADDRS_H
-# include <ifaddrs.h>
-#endif
-#ifdef HAVE_STROPTS_H
-# include <stropts.h>
-#endif
-#ifdef __VMS
-# include <inet.h>
-#endif
-
-#include "inet_ntop.h"
-#include "strequal.h"
-#include "if2ip.h"
-#include "curl_printf.h"
-
-#include "curl_memory.h"
-/* The last #include file should be: */
-#include "memdebug.h"
-
-/* ------------------------------------------------------------------ */
-
-/* Return the scope of the given address. */
-CURL_STATIC unsigned int Curl_ipv6_scope(const struct sockaddr *sa)
-{
-#ifndef ENABLE_IPV6
- (void) sa;
-#else
- if(sa->sa_family == AF_INET6) {
- const struct sockaddr_in6 * sa6 = (const struct sockaddr_in6 *) sa;
- const unsigned char * b = sa6->sin6_addr.s6_addr;
- unsigned short w = (unsigned short) ((b[0] << 8) | b[1]);
-
- switch(w & 0xFFC0) {
- case 0xFE80:
- return IPV6_SCOPE_LINKLOCAL;
- case 0xFEC0:
- return IPV6_SCOPE_SITELOCAL;
- case 0x0000:
- w = b[1] | b[2] | b[3] | b[4] | b[5] | b[6] | b[7] | b[8] | b[9] |
- b[10] | b[11] | b[12] | b[13] | b[14];
- if(w || b[15] != 0x01)
- break;
- return IPV6_SCOPE_NODELOCAL;
- default:
- break;
- }
- }
-#endif
-
- return IPV6_SCOPE_GLOBAL;
-}
-
-
-#if defined(HAVE_GETIFADDRS)
-
-CURL_STATIC bool Curl_if_is_interface_name(const char *interf)
-{
- bool result = FALSE;
-
- struct ifaddrs *iface, *head;
-
- if(getifaddrs(&head) >= 0) {
- for(iface=head; iface != NULL; iface=iface->ifa_next) {
- if(curl_strequal(iface->ifa_name, interf)) {
- result = TRUE;
- break;
- }
- }
- freeifaddrs(head);
- }
- return result;
-}
-
-CURL_STATIC if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
- char *buf, int buf_size)
-{
- struct ifaddrs *iface, *head;
- if2ip_result_t res = IF2IP_NOT_FOUND;
-
-#ifndef ENABLE_IPV6
- (void) remote_scope;
-
-#ifndef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
- (void) remote_scope_id;
-#endif
-
-#endif
-
- if(getifaddrs(&head) >= 0) {
- for(iface = head; iface != NULL; iface=iface->ifa_next) {
- if(iface->ifa_addr != NULL) {
- if(iface->ifa_addr->sa_family == af) {
- if(curl_strequal(iface->ifa_name, interf)) {
- void *addr;
- char *ip;
- char scope[12] = "";
- char ipstr[64];
-#ifdef ENABLE_IPV6
- if(af == AF_INET6) {
- unsigned int scopeid = 0;
- unsigned int ifscope = Curl_ipv6_scope(iface->ifa_addr);
-
- if(ifscope != remote_scope) {
- /* We are interested only in interface addresses whose
- scope matches the remote address we want to
- connect to: global for global, link-local for
- link-local, etc... */
- if(res == IF2IP_NOT_FOUND) res = IF2IP_AF_NOT_SUPPORTED;
- continue;
- }
-
- addr = &((struct sockaddr_in6 *)iface->ifa_addr)->sin6_addr;
-#ifdef HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
- /* Include the scope of this interface as part of the address */
- scopeid =
- ((struct sockaddr_in6 *)iface->ifa_addr)->sin6_scope_id;
-
- /* If given, scope id should match. */
- if(remote_scope_id && scopeid != remote_scope_id) {
- if(res == IF2IP_NOT_FOUND)
- res = IF2IP_AF_NOT_SUPPORTED;
-
- continue;
- }
-#endif
- if(scopeid)
- snprintf(scope, sizeof(scope), "%%%u", scopeid);
- }
- else
-#endif
- addr = &((struct sockaddr_in *)iface->ifa_addr)->sin_addr;
- res = IF2IP_FOUND;
- ip = (char *) Curl_inet_ntop(af, addr, ipstr, sizeof(ipstr));
- snprintf(buf, buf_size, "%s%s", ip, scope);
- break;
- }
- }
- else if((res == IF2IP_NOT_FOUND) &&
- curl_strequal(iface->ifa_name, interf)) {
- res = IF2IP_AF_NOT_SUPPORTED;
- }
- }
- }
-
- freeifaddrs(head);
- }
-
- return res;
-}
-
-#elif defined(HAVE_IOCTL_SIOCGIFADDR)
-
-CURL_STATIC bool Curl_if_is_interface_name(const char *interf)
-{
- /* This is here just to support the old interfaces */
- char buf[256];
-
- return (Curl_if2ip(AF_INET, 0 /* unused */, 0, interf, buf, sizeof(buf)) ==
- IF2IP_NOT_FOUND) ? FALSE : TRUE;
-}
-
-CURL_STATIC if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
- char *buf, int buf_size)
-{
- struct ifreq req;
- struct in_addr in;
- struct sockaddr_in *s;
- curl_socket_t dummy;
- size_t len;
-
- (void)remote_scope;
- (void)remote_scope_id;
-
- if(!interf || (af != AF_INET))
- return IF2IP_NOT_FOUND;
-
- len = strlen(interf);
- if(len >= sizeof(req.ifr_name))
- return IF2IP_NOT_FOUND;
-
- dummy = socket(AF_INET, SOCK_STREAM, 0);
- if(CURL_SOCKET_BAD == dummy)
- return IF2IP_NOT_FOUND;
-
- memset(&req, 0, sizeof(req));
- memcpy(req.ifr_name, interf, len+1);
- req.ifr_addr.sa_family = AF_INET;
-
- if(ioctl(dummy, SIOCGIFADDR, &req) < 0) {
- sclose(dummy);
- /* With SIOCGIFADDR, we cannot tell the difference between an interface
- that does not exist and an interface that has no address of the
- correct family. Assume the interface does not exist */
- return IF2IP_NOT_FOUND;
- }
-
- s = (struct sockaddr_in *)&req.ifr_addr;
- memcpy(&in, &s->sin_addr, sizeof(in));
- Curl_inet_ntop(s->sin_family, &in, buf, buf_size);
-
- sclose(dummy);
- return IF2IP_FOUND;
-}
-
-#else
-
-CURL_STATIC bool Curl_if_is_interface_name(const char *interf)
-{
- (void) interf;
-
- return FALSE;
-}
-
-CURL_STATIC if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
- unsigned int remote_scope_id, const char *interf,
- char *buf, int buf_size)
-{
- (void) af;
- (void) remote_scope;
- (void) remote_scope_id;
- (void) interf;
- (void) buf;
- (void) buf_size;
- return IF2IP_NOT_FOUND;
-}
-
-#endif
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