-/*****************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.0 (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.mozilla.org/MPL/
+ * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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.
*
- * The Original Code is Curl.
+ * 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.
*
- * The Initial Developer of the Original Code is Daniel Stenberg.
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
*
- * Portions created by the Initial Developer are Copyright (C) 1998.
- * All Rights Reserved.
- *
- * ------------------------------------------------------------
- * Main author:
- * - Daniel Stenberg <daniel@haxx.se>
- *
- * http://curl.haxx.se
- *
- * $Source$
- * $Revision$
- * $Date$
- * $Author$
- * $State$
- * $Locker$
- *
- * ------------------------------------------------------------
- ****************************************************************************/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "setup.h"
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+ ***************************************************************************/
-#if ! defined(WIN32) && ! defined(__BEOS__)
+#include "curl_setup.h"
-#ifdef NEED_REENTRANT
-#define _REENTRANT
-#endif
-
-#ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
+# include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-
-#ifdef HAVE_SYS_TIME_H
-/* This must be before net/if.h for AIX 3.2 to enjoy life */
-#include <sys/time.h>
+# include <arpa/inet.h>
#endif
#ifdef HAVE_NET_IF_H
-#include <net/if.h>
+# include <net/if.h>
+#endif
+#ifdef HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
#endif
-#include <sys/ioctl.h>
-
-/* -- if2ip() -- */
#ifdef HAVE_NETDB_H
-#include <netdb.h>
+# include <netdb.h>
#endif
-
#ifdef HAVE_SYS_SOCKIO_H
-#include <sys/sockio.h>
+# include <sys/sockio.h>
#endif
-
-#ifndef HAVE_INET_NTOA_R_DECL
-#include "inet_ntoa_r.h"
+#ifdef HAVE_IFADDRS_H
+# include <ifaddrs.h>
+#endif
+#ifdef HAVE_STROPTS_H
+# include <stropts.h>
+#endif
+#ifdef __VMS
+# include <inet.h>
#endif
-#define SYS_ERROR -1
+#include "inet_ntop.h"
+#include "strequal.h"
+#include "if2ip.h"
+
+#define _MPRINTF_REPLACE /* use our functions only */
+#include <curl/mprintf.h>
+
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
+/* ------------------------------------------------------------------ */
+
+#if defined(HAVE_GETIFADDRS)
-char *if2ip(char *interface, char *buf, int buf_size)
+bool Curl_if_is_interface_name(const char *interf)
{
- int dummy;
- char *ip=NULL;
-
- if(!interface)
- return NULL;
+ bool result = FALSE;
- dummy = socket(AF_INET, SOCK_STREAM, 0);
- if (SYS_ERROR == dummy) {
- return NULL;
- }
- else {
- struct ifreq req;
- memset(&req, 0, sizeof(req));
- strcpy(req.ifr_name, interface);
- req.ifr_addr.sa_family = AF_INET;
- if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req, sizeof(req))) {
- return NULL;
+ 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;
+ }
}
- else {
- struct in_addr in;
+ freeifaddrs(head);
+ }
+ return result;
+}
- struct sockaddr_in *s = (struct sockaddr_in *)&req.ifr_dstaddr;
- memcpy(&in, &(s->sin_addr.s_addr), sizeof(in));
-#if defined(HAVE_INET_NTOA_R)
- ip = inet_ntoa_r(in,buf,buf_size);
-#else
- ip = strncpy(buf,inet_ntoa(in),buf_size);
- ip[buf_size - 1] = 0;
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+ 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;
+#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;
+ 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;
+#endif
+ if(scopeid != remote_scope) {
+ /* We are interested only in interface addresses whose
+ scope ID matches the remote address we want to
+ connect to: global (0) for global, link-local for
+ link-local, etc... */
+ if(res == IF2IP_NOT_FOUND) res = IF2IP_AF_NOT_SUPPORTED;
+ continue;
+ }
+ 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;
+ }
+ }
}
- close(dummy);
+ freeifaddrs(head);
+ }
+ return res;
+}
+
+#elif defined(HAVE_IOCTL_SIOCGIFADDR)
+
+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, interf, buf, sizeof(buf)) ==
+ IF2IP_NOT_FOUND) ? FALSE : TRUE;
+}
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+ 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;
+
+ 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;
}
- return ip;
+
+ 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;
}
-/* -- end of if2ip() -- */
#else
-#define if2ip(x) NULL
+
+bool Curl_if_is_interface_name(const char *interf)
+{
+ (void) interf;
+
+ return FALSE;
+}
+
+if2ip_result_t Curl_if2ip(int af, unsigned int remote_scope,
+ const char *interf, char *buf, int buf_size)
+{
+ (void) af;
+ (void) remote_scope;
+ (void) interf;
+ (void) buf;
+ (void) buf_size;
+ return IF2IP_NOT_FOUND;
+}
+
#endif
projects / platform / upstream / curl.git / blobdiff