X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnetwork.c;h=0ba7bdb64acb940a4743ce7eebf652343d7e4fa4;hp=00237699e185c0e152f203c65595381a7e39cd41;hb=ea0473feffd8071216c96217df3202a8deed2c65;hpb=2d173a587a7dbee81ffaf246d044f384fb6487c8

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 0023769..0ba7bdb 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -36,6 +36,7 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/wait.h>
 #include <netinet/in.h>
 #include <rpc/rpc.h>
 #include <rpc/pmap_prot.h>
@@ -46,6 +47,7 @@
 #include "nls.h"
 #include "nfs_mount.h"
 #include "mount_constants.h"
+#include "nfsrpc.h"
 #include "network.h"
 
 /*
@@ -78,6 +80,11 @@ extern int nfs_mount_data_version;
 extern char *progname;
 extern int verbose;
 
+static const char *nfs_ns_pgmtbl[] = {
+	"status",
+	NULL,
+};
+
 static const unsigned long nfs_to_mnt[] = {
 	0,
 	0,
@@ -465,7 +472,7 @@ 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)
@@ -554,6 +561,7 @@ 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;
 
@@ -562,7 +570,8 @@ 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)
@@ -666,24 +675,16 @@ version_fixed:
 	return probe_mntport(mnt_server);
 }
 
-static int probe_statd(void)
+static int nfs_probe_statd(void)
 {
-	struct sockaddr_in addr;
-	unsigned short port;
-
-	memset(&addr, 0, sizeof(addr));
-	addr.sin_family = AF_INET;
-	addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-	port = getport(&addr, 100024, 1, IPPROTO_UDP);
-
-	if (port == 0)
-		return 0;
-	addr.sin_port = htons(port);
-
-	if (clnt_ping(&addr, 100024, 1, IPPROTO_UDP, NULL) <= 0)
-		return 0;
+	struct sockaddr_in addr = {
+		.sin_family		= AF_INET,
+		.sin_addr.s_addr	= htonl(INADDR_LOOPBACK),
+	};
+	rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
 
-	return 1;
+	return nfs_getport_ping((struct sockaddr *)&addr, sizeof(addr),
+				program, (rpcvers_t)1, IPPROTO_UDP);
 }
 
 /**
@@ -697,14 +698,25 @@ int start_statd(void)
 	struct stat stb;
 #endif
 
-	if (probe_statd())
+	if (nfs_probe_statd())
 		return 1;
 
 #ifdef START_STATD
 	if (stat(START_STATD, &stb) == 0) {
 		if (S_ISREG(stb.st_mode) && (stb.st_mode & S_IXUSR)) {
-			system(START_STATD);
-			if (probe_statd())
+			pid_t pid = fork();
+			switch (pid) {
+			case 0: /* child */
+				execl(START_STATD, START_STATD, NULL);
+				exit(1);
+			case -1: /* error */
+				perror("Fork failed");
+				break;
+			default: /* parent */
+				waitpid(pid, NULL,0);
+				break;
+			}
+			if (nfs_probe_statd())
 				return 1;
 		}
 	}