* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, 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
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
- * $Id$
***************************************************************************/
-#include "setup.h"
+#include "curl_setup.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#if !defined(WIN32) && !defined(__BEOS__) && !defined(__CYGWIN32__) && \
- !defined(__riscos__) && !defined(__INTERIX) && !defined(NETWARE)
-
-#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>
+# include <sys/ioctl.h>
#endif
-
-/* -- 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
-
-#if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL)
-#include "inet_ntoa_r.h"
+#ifdef HAVE_IFADDRS_H
+# include <ifaddrs.h>
#endif
-
-#ifdef VMS
-#include <inet.h>
+#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 "memory.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"
-#define SYS_ERROR -1
+/* ------------------------------------------------------------------ */
+
+#if defined(HAVE_GETIFADDRS)
-char *Curl_if2ip(const char *interface, char *buf, int buf_size)
+bool Curl_if_is_interface_name(const char *interf)
{
- int dummy;
- char *ip=NULL;
+ bool result = FALSE;
- if(!interface)
- return NULL;
+ struct ifaddrs *iface, *head;
- dummy = socket(AF_INET, SOCK_STREAM, 0);
- if (SYS_ERROR == dummy) {
- return NULL;
+ 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);
}
- else {
- struct ifreq req;
- size_t len = strlen(interface);
- memset(&req, 0, sizeof(req));
- if(len >= sizeof(req.ifr_name))
- return NULL; /* this can't be a fine interface name */
- memcpy(req.ifr_name, interface, len+1);
- req.ifr_addr.sa_family = AF_INET;
-#ifdef IOCTL_3_ARGS
- if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req)) {
-#else
- if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req, sizeof(req))) {
+ return result;
+}
+
+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
- sclose(dummy);
- return NULL;
- }
- else {
- struct in_addr in;
- 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;
+ 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;
+ }
+ }
}
+ 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
-char *Curl_if2ip(const char *interface, char *buf, int buf_size)
+
+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) interface;
+ (void) af;
+ (void) remote_scope;
+ (void) interf;
(void) buf;
(void) buf_size;
- return NULL;
+ return IF2IP_NOT_FOUND;
}
+
#endif
projects / platform / upstream / curl.git / blobdiff