X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=utils%2Fmount%2Fnetwork.c;h=2db694d2541bb1a8acfe8d3956bbc14d1de8a84f;hb=8f1abb8ab1f7afcb9c2c0c094255d7e438b57b09;hp=75354a7a62f044b2fec594beeb9a0c57ccddc1ec;hpb=8508942e7244017325690e2d0c17429fa0cb9873;p=nfs-utils.git

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 75354a7..2db694d 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -48,6 +48,24 @@
 #include "mount_constants.h"
 #include "network.h"
 
+/*
+ * Earlier versions of glibc's /usr/include/netdb.h exclude these
+ * definitions because it was thought they were not part of a stable
+ * POSIX standard.  However, they are defined by RFC 2553 and 3493
+ * and in POSIX 1003.1-2001, so these definitions were added in later
+ * versions of netdb.h.
+ */
+#ifndef AI_V4MAPPED
+#define AI_V4MAPPED     0x0008  /* IPv4-mapped addresses are acceptable.  */
+#endif	/* AI_V4MAPPED */
+#ifndef AI_ALL
+#define AI_ALL          0x0010  /* Return both IPv4 and IPv6 addresses.  */
+#endif	/* AI_ALL */
+#ifndef AI_ADDRCONFIG
+#define AI_ADDRCONFIG   0x0020  /* Use configuration of this host to choose \
+				   returned address type.  */
+#endif	/* AI_ADDRCONFIG */
+
 #define PMAP_TIMEOUT	(10)
 #define CONNECT_TIMEOUT	(20)
 #define MOUNT_TIMEOUT	(30)
@@ -447,7 +465,7 @@ static unsigned short getport(struct sockaddr_in *saddr,
 	bind_saddr = *saddr;
 	bind_saddr.sin_port = htons(PMAPPORT);
 
-	socket = get_socket(&bind_saddr, proto, PMAP_TIMEOUT, FALSE, FALSE);
+	socket = get_socket(&bind_saddr, proto, PMAP_TIMEOUT, FALSE, TRUE);
 	if (socket == RPC_ANYSOCK) {
 		if (proto == IPPROTO_TCP &&
 		    rpc_createerr.cf_error.re_errno == ETIMEDOUT)
@@ -536,6 +554,7 @@ static int probe_port(clnt_addr_t *server, const unsigned long *versions,
 		}
 		if (rpc_createerr.cf_stat != RPC_PROGNOTREGISTERED &&
 		    rpc_createerr.cf_stat != RPC_TIMEDOUT &&
+		    rpc_createerr.cf_stat != RPC_CANTRECV &&
 		    rpc_createerr.cf_stat != RPC_PROGVERSMISMATCH)
 			goto out_bad;
 
@@ -544,7 +563,8 @@ static int probe_port(clnt_addr_t *server, const unsigned long *versions,
 				continue;
 			p_prot = protos;
 		}
-		if (rpc_createerr.cf_stat == RPC_TIMEDOUT)
+		if (rpc_createerr.cf_stat == RPC_TIMEDOUT ||
+		    rpc_createerr.cf_stat == RPC_CANTRECV)
 			goto out_bad;
 
 		if (vers || !*++p_vers)