Get rid of obsolete code in mount_nfs(8).

Reviewed by:	rmacklem@
Sponsored by:	The FreeBSD Foundation

1 files changed, 2 insertions, 217 deletions

diff --git a/sbin/mount_nfs/mount_nfs.c b/sbin/mount_nfs/mount_nfs.c
index 383f475..754c893 100644
--- a/sbin/mount_nfs/mount_nfs.c
+++ b/sbin/mount_nfs/mount_nfs.c
@@ -130,7 +130,6 @@ enum tryret {
 	TRYRET_LOCALERR		/* Local failure. */
 };
 
-static int	fallback_mount(struct iovec *iov, int iovlen);
 static int	sec_name_to_num(char *sec);
 static char	*sec_num_to_name(int num);
 static int	getnfsargs(char *, struct iovec **iov, int *iovlen);
@@ -150,7 +149,6 @@ main(int argc, char *argv[])
 	int c;
 	struct iovec *iov;
 	int num, iovlen;
-	int osversion;
 	char *name, *p, *spec, *fstype;
 	char mntpath[MAXPATHLEN], errmsg[255];
 	char hostname[MAXHOSTNAMELEN + 1], *gssname, gssn[MAXHOSTNAMELEN + 50];
@@ -443,21 +441,8 @@ main(int argc, char *argv[])
 	build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
 	build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
 
-	/*
-	 * XXX:
-	 * Backwards compatibility routines for older kernels.
-	 * Remove this and fallback_mount() code when we do not need to support
-	 * NFS mounts against older kernels which still need
-	 * struct nfs_args to be passed in via nmount().
-	 */
-	osversion = getosreldate();
-	if (osversion >= 702100) {
-		if (nmount(iov, iovlen, 0))
-			err(1, "%s, %s", mntpath, errmsg);
-	} else {
-		if (fallback_mount(iov, iovlen))
-			err(1, "%s, %s", mntpath, errmsg);
-	}
+	if (nmount(iov, iovlen, 0))
+		err(1, "%s, %s", mntpath, errmsg);
 
 	exit(0);
 }
@@ -491,206 +476,6 @@ copyopt(struct iovec **newiov, int *newiovlen,
 		build_iovec(newiov, newiovlen, name, value, len);
 }
 
-/*
- * XXX: This function is provided for backwards
- *      compatibility with older kernels which did not support
- *      passing NFS mount options to nmount() as individual
- *      parameters.  It should be eventually be removed.
- */
-static int
-fallback_mount(struct iovec *iov, int iovlen)
-{
-	struct nfs_args args = {
-	    .version = NFS_ARGSVERSION,
-	    .addr = NULL,
-	    .addrlen = sizeof (struct sockaddr_in),
-	    .sotype = SOCK_STREAM,
-	    .proto = 0,
-	    .fh = NULL,
-	    .fhsize = 0,
-	    .flags = NFSMNT_RESVPORT,
-	    .wsize = NFS_WSIZE,
-	    .rsize = NFS_RSIZE,
-	    .readdirsize = NFS_READDIRSIZE,
-	    .timeo = 10,
-	    .retrans = NFS_RETRANS,
-	    .maxgrouplist = NFS_MAXGRPS,
-	    .readahead = NFS_DEFRAHEAD,
-	    .wcommitsize = 0,			/* was: NQ_DEFLEASE */
-	    .deadthresh = NFS_MAXDEADTHRESH,	/* was: NQ_DEADTHRESH */
-	    .hostname = NULL,
-	    /* args version 4 */
-	    .acregmin = NFS_MINATTRTIMO,
-	    .acregmax = NFS_MAXATTRTIMO,
-	    .acdirmin = NFS_MINDIRATTRTIMO,
-	    .acdirmax = NFS_MAXDIRATTRTIMO,
-	};
-	int ret;
-	char *opt;
-	struct iovec *newiov;
-	int newiovlen;
-
-	if (findopt(iov, iovlen, "dumbtimer", NULL, NULL) == 0)
-		args.flags |= NFSMNT_DUMBTIMR;
-	if (findopt(iov, iovlen, "noconn", NULL, NULL) == 0)
-		args.flags |= NFSMNT_NOCONN;
-	if (findopt(iov, iovlen, "conn", NULL, NULL) == 0)
-		args.flags |= NFSMNT_NOCONN;
-	if (findopt(iov, iovlen, "nolockd", NULL, NULL) == 0)
-		args.flags |= NFSMNT_NOLOCKD;
-	if (findopt(iov, iovlen, "lockd", NULL, NULL) == 0)
-		args.flags &= ~NFSMNT_NOLOCKD;
-	if (findopt(iov, iovlen, "intr", NULL, NULL) == 0)
-		args.flags |= NFSMNT_INT;
-	if (findopt(iov, iovlen, "rdirplus", NULL, NULL) == 0)
-		args.flags |= NFSMNT_RDIRPLUS;
-	if (findopt(iov, iovlen, "resvport", NULL, NULL) == 0)
-		args.flags |= NFSMNT_RESVPORT;
-	if (findopt(iov, iovlen, "noresvport", NULL, NULL) == 0)
-		args.flags &= ~NFSMNT_RESVPORT;
-	if (findopt(iov, iovlen, "soft", NULL, NULL) == 0)
-		args.flags |= NFSMNT_SOFT;
-	if (findopt(iov, iovlen, "hard", NULL, NULL) == 0)
-		args.flags &= ~NFSMNT_SOFT;
-	if (findopt(iov, iovlen, "mntudp", NULL, NULL) == 0)
-		args.sotype = SOCK_DGRAM;
-	if (findopt(iov, iovlen, "udp", NULL, NULL) == 0)
-		args.sotype = SOCK_DGRAM;
-	if (findopt(iov, iovlen, "tcp", NULL, NULL) == 0)
-		args.sotype = SOCK_STREAM;
-	if (findopt(iov, iovlen, "nfsv3", NULL, NULL) == 0)
-		args.flags |= NFSMNT_NFSV3;
-	if (findopt(iov, iovlen, "readdirsize", &opt, NULL) == 0) {
-		if (opt == NULL) { 
-			errx(1, "illegal readdirsize");
-		}
-		ret = sscanf(opt, "%d", &args.readdirsize);
-		if (ret != 1 || args.readdirsize <= 0) {
-			errx(1, "illegal readdirsize: %s", opt);
-		}
-		args.flags |= NFSMNT_READDIRSIZE;
-	}
-	if (findopt(iov, iovlen, "readahead", &opt, NULL) == 0) {
-		if (opt == NULL) { 
-			errx(1, "illegal readahead");
-		}
-		ret = sscanf(opt, "%d", &args.readahead);
-		if (ret != 1 || args.readahead <= 0) {
-			errx(1, "illegal readahead: %s", opt);
-		}
-		args.flags |= NFSMNT_READAHEAD;
-	}
-	if (findopt(iov, iovlen, "wsize", &opt, NULL) == 0) {
-		if (opt == NULL) { 
-			errx(1, "illegal wsize");
-		}
-		ret = sscanf(opt, "%d", &args.wsize);
-		if (ret != 1 || args.wsize <= 0) {
-			errx(1, "illegal wsize: %s", opt);
-		}
-		args.flags |= NFSMNT_WSIZE;
-	}
-	if (findopt(iov, iovlen, "rsize", &opt, NULL) == 0) {
-		if (opt == NULL) { 
-			errx(1, "illegal rsize");
-		}
-		ret = sscanf(opt, "%d", &args.rsize);
-		if (ret != 1 || args.rsize <= 0) {
-			errx(1, "illegal wsize: %s", opt);
-		}
-		args.flags |= NFSMNT_RSIZE;
-	}
-	if (findopt(iov, iovlen, "retrans", &opt, NULL) == 0) {
-		if (opt == NULL) { 
-			errx(1, "illegal retrans");
-		}
-		ret = sscanf(opt, "%d", &args.retrans);
-		if (ret != 1 || args.retrans <= 0) {
-			errx(1, "illegal retrans: %s", opt);
-		}
-		args.flags |= NFSMNT_RETRANS;
-	}
-	if (findopt(iov, iovlen, "acregmin", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.acregmin);
-		if (ret != 1 || args.acregmin < 0) {
-			errx(1, "illegal acregmin: %s", opt);
-		}
-		args.flags |= NFSMNT_ACREGMIN;
-	}
-	if (findopt(iov, iovlen, "acregmax", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.acregmax);
-		if (ret != 1 || args.acregmax < 0) {
-			errx(1, "illegal acregmax: %s", opt);
-		}
-		args.flags |= NFSMNT_ACREGMAX;
-	}
-	if (findopt(iov, iovlen, "acdirmin", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.acdirmin);
-		if (ret != 1 || args.acdirmin < 0) {
-			errx(1, "illegal acdirmin: %s", opt);
-		}
-		args.flags |= NFSMNT_ACDIRMIN;
-	}
-	if (findopt(iov, iovlen, "acdirmax", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.acdirmax);
-		if (ret != 1 || args.acdirmax < 0) {
-			errx(1, "illegal acdirmax: %s", opt);
-		}
-		args.flags |= NFSMNT_ACDIRMAX;
-	}
-	if (findopt(iov, iovlen, "wcommitsize", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.wcommitsize);
-		if (ret != 1 || args.wcommitsize < 0) {
-			errx(1, "illegal wcommitsize: %s", opt);
-		}
-		args.flags |= NFSMNT_WCOMMITSIZE;
-	}
-	if (findopt(iov, iovlen, "deadthresh", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.deadthresh);
-		if (ret != 1 || args.deadthresh <= 0) {
-			errx(1, "illegal deadthresh: %s", opt);
-		}
-		args.flags |= NFSMNT_DEADTHRESH;
-	}
-	if (findopt(iov, iovlen, "timeout", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.timeo);
-		if (ret != 1 || args.timeo <= 0) {
-			errx(1, "illegal timeout: %s", opt);
-		}
-		args.flags |= NFSMNT_TIMEO;
-	}
-	if (findopt(iov, iovlen, "maxgroups", &opt, NULL) == 0) {
-		ret = sscanf(opt, "%d", &args.maxgrouplist);
-		if (ret != 1 || args.timeo <= 0) {
-			errx(1, "illegal maxgroups: %s", opt);
-		}
-		args.flags |= NFSMNT_MAXGRPS;
-	}
-	if (findopt(iov, iovlen, "addr", &opt,
-		&args.addrlen) == 0) {
-		args.addr = (struct sockaddr *) opt;
-	}
-	if (findopt(iov, iovlen, "fh", &opt, &args.fhsize) == 0) {
-		args.fh = opt;
-	}
-	if (findopt(iov, iovlen, "hostname", &args.hostname,
-		NULL) == 0) {
-	}
-	if (args.hostname == NULL) {
-		errx(1, "Invalid hostname");
-	}
-
-	newiov = NULL;
-	newiovlen = 0;
-
-	build_iovec(&newiov, &newiovlen, "nfs_args", &args, sizeof(args));
-	copyopt(&newiov, &newiovlen, iov, iovlen, "fstype");
-	copyopt(&newiov, &newiovlen, iov, iovlen, "fspath");
-	copyopt(&newiov, &newiovlen, iov, iovlen, "errmsg");
-
-	return nmount(newiov, newiovlen, 0);
-}
-
 static int
 sec_name_to_num(char *sec)
 {