Author: trasz
Date: Thu Oct 30 08:05:51 2014
New Revision: 273848
URL: https://svnweb.freebsd.org/changeset/base/273848
Log:
Get rid of obsolete code in mount_nfs(8).
Reviewed by: rmacklem@
Sponsored by: The FreeBSD Foundation
Modified:
head/sbin/mount_nfs/mount_nfs.c
Modified: head/sbin/mount_nfs/mount_nfs.c
==============================================================================
--- head/sbin/mount_nfs/mount_nfs.c Thu Oct 30 08:04:48 2014
(r273847)
+++ head/sbin/mount_nfs/mount_nfs.c Thu Oct 30 08:05:51 2014
(r273848)
@@ -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 *newi
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)
{
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