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diff --git a/sbin/mount/Makefile b/sbin/mount/Makefile
--- a/sbin/mount/Makefile
+++ b/sbin/mount/Makefile
@@ -7,6 +7,6 @@
MAN= mount.8
# We do NOT install the getmntopts.3 man page.
-LIBADD= util
+LIBADD= util xo
.include <bsd.prog.mk>
diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -28,7 +28,7 @@
.\" @(#)mount.8 8.8 (Berkeley) 6/16/94
.\" $FreeBSD$
.\"
-.Dd August 28, 2019
+.Dd May 18, 2021
.Dt MOUNT 8
.Os
.Sh NAME
@@ -36,14 +36,17 @@
.Nd mount file systems
.Sh SYNOPSIS
.Nm
+.Op Fl -libxo
.Op Fl adflpruvw
.Op Fl F Ar fstab
.Op Fl o Ar options
.Op Fl t Oo Cm no Oc Ns Cm Ar type Ns Op Cm , Ns Ar type ...
.Nm
+.Op Fl -libxo
.Op Fl dfpruvw
.Ar special | node
.Nm
+.Op Fl -libxo
.Op Fl dfpruvw
.Op Fl o Ar options
.Op Fl t Oo Cm no Oc Ns Cm Ar type Ns Op Cm , Ns Ar type ...
@@ -72,6 +75,13 @@
.Pp
The options are as follows:
.Bl -tag -width indent
+.It Fl -libxo
+Generate output via
+.Xr libxo 3
+in a selection of different human and machine readable formats.
+See
+.Xr xo_parse_args 3
+for details on command line arguments.
.It Fl a
All the file systems described in
.Xr fstab 5
@@ -552,6 +562,8 @@
.Xr setfacl 1 ,
.Xr nmount 2 ,
.Xr acl 3 ,
+.Xr libxo 3 ,
+.Xr xo_parse_args 3 ,
.Xr mac 4 ,
.Xr cd9660 5 ,
.Xr devfs 5 ,
diff --git a/sbin/mount/mount.c b/sbin/mount/mount.c
--- a/sbin/mount/mount.c
+++ b/sbin/mount/mount.c
@@ -60,11 +60,18 @@
#include <string.h>
#include <unistd.h>
#include <libutil.h>
+#include <libxo/xo.h>
#include "extern.h"
#include "mntopts.h"
#include "pathnames.h"
+#define EXIT(a) { \
+ xo_close_container("mount"); \
+ xo_finish(); \
+ exit(a); \
+ }
+
/* `meta' options */
#define MOUNT_META_OPTION_FSTAB "fstab"
#define MOUNT_META_OPTION_CURRENT "current"
@@ -146,21 +153,21 @@
switch (pid = fork()) {
case -1: /* Error. */
- warn("fork");
- exit (1);
+ xo_warn("fork");
+ EXIT(1);
case 0: /* Child. */
/* Go find an executable. */
execvP(execname, _PATH_SYSPATH, argv);
if (errno == ENOENT) {
- warn("exec %s not found", execname);
+ xo_warn("exec %s not found", execname);
if (execname[0] != '/') {
- warnx("in path: %s", _PATH_SYSPATH);
+ xo_warnx("in path: %s", _PATH_SYSPATH);
}
}
- exit(1);
+ EXIT(1);
default: /* Parent. */
if (waitpid(pid, &status, 0) < 0) {
- warn("waitpid");
+ xo_warn("waitpid");
return (1);
}
@@ -168,7 +175,7 @@
if (WEXITSTATUS(status) != 0)
return (WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) {
- warnx("%s: %s", name, sys_siglist[WTERMSIG(status)]);
+ xo_warnx("%s: %s", name, sys_siglist[WTERMSIG(status)]);
return (1);
}
break;
@@ -185,7 +192,7 @@
optbuf = strdup(arg);
if (optbuf == NULL)
- err(1, NULL);
+ xo_err(1, NULL);
for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
if (strcmp(opt, "ro") == 0) {
@@ -220,13 +227,13 @@
* happened due to the bugs in pidfile(3).
*/
if (mountdpid <= 0) {
- warnx("mountd pid %d, refusing to send SIGHUP", mountdpid);
+ xo_warnx("mountd pid %d, refusing to send SIGHUP", mountdpid);
return;
}
/* We have mountd(8) PID in mountdpid varible, let's signal it. */
if (kill(mountdpid, SIGHUP) == -1)
- err(1, "signal mountd");
+ xo_err(1, "signal mountd");
}
int
@@ -244,6 +251,12 @@
options = NULL;
vfslist = NULL;
vfstype = "ufs";
+
+ argc = xo_parse_args(argc, argv);
+ if (argc < 0)
+ exit(1);
+ xo_open_container("mount");
+
while ((ch = getopt(argc, argv, "adF:fLlno:prt:uvw")) != -1)
switch (ch) {
case 'a':
@@ -285,7 +298,7 @@
break;
case 't':
if (vfslist != NULL)
- errx(1, "only one -t option may be specified");
+ xo_errx(1, "only one -t option may be specified");
vfslist = makevfslist(optarg);
vfstype = optarg;
break;
@@ -318,7 +331,7 @@
case 0:
if ((mntsize = getmntinfo(&mntbuf,
verbose ? MNT_WAIT : MNT_NOWAIT)) == 0)
- err(1, "getmntinfo");
+ xo_err(1, "getmntinfo");
if (all) {
while ((fs = getfsent()) != NULL) {
if (BADTYPE(fs->fs_type))
@@ -347,12 +360,17 @@
rval = 1;
}
} else if (fstab_style) {
+ xo_open_list("fstab");
for (i = 0; i < mntsize; i++) {
if (checkvfsname(mntbuf[i].f_fstypename, vfslist))
continue;
+ xo_open_instance("fstab");
putfsent(&mntbuf[i]);
+ xo_close_instance("fstab");
}
+ xo_close_list("fstab");
} else {
+ xo_open_list("mounted");
for (i = 0; i < mntsize; i++) {
if (checkvfsname(mntbuf[i].f_fstypename,
vfslist))
@@ -360,10 +378,13 @@
if (!verbose &&
(mntbuf[i].f_flags & MNT_IGNORE) != 0)
continue;
+ xo_open_instance("mounted");
prmount(&mntbuf[i]);
+ xo_close_instance("mounted");
}
+ xo_close_list("mounted");
}
- exit(rval);
+ EXIT(rval);
case 1:
if (vfslist != NULL)
usage();
@@ -373,7 +394,7 @@
mntfromname = NULL;
have_fstab = 0;
if ((mntbuf = getmntpt(*argv)) == NULL)
- errx(1, "not currently mounted %s", *argv);
+ xo_errx(1, "not currently mounted %s", *argv);
/*
* Only get the mntflags from fstab if both mntpoint
* and mntspec are identical. Also handle the special
@@ -411,10 +432,10 @@
}
if ((fs = getfsfile(*argv)) == NULL &&
(fs = getfsspec(*argv)) == NULL)
- errx(1, "%s: unknown special file or file system",
+ xo_errx(1, "%s: unknown special file or file system",
*argv);
if (BADTYPE(fs->fs_type))
- errx(1, "%s has unknown file system type",
+ xo_errx(1, "%s has unknown file system type",
*argv);
rval = mountfs(fs->fs_vfstype, fs->fs_spec, fs->fs_file,
init_flags, options, fs->fs_mntops);
@@ -460,7 +481,7 @@
if (rval == 0 && getuid() == 0)
restart_mountd();
- exit(rval);
+ EXIT(rval);
}
int
@@ -537,7 +558,7 @@
sa->sz = sa->sz == 0 ? 8 : sa->sz * 2;
sa->a = realloc(sa->a, sizeof(*sa->a) * sa->sz);
if (sa->a == NULL)
- errx(1, "realloc failed");
+ xo_errx(1, "realloc failed");
}
sa->a[++sa->c] = arg;
}
@@ -553,7 +574,7 @@
/* resolve the mountpoint with realpath(3) */
if (checkpath(name, mntpath) != 0) {
- warn("%s", mntpath);
+ xo_warn("%s", mntpath);
return (1);
}
name = mntpath;
@@ -596,12 +617,12 @@
if (debug) {
if (use_mountprog(vfstype))
- printf("exec: %s", execname);
+ xo_emit("{Lwc:exec}{:execname/%s}", execname);
else
- printf("mount -t %s", vfstype);
+ xo_emit("{:execname/mount}{P: }{l:opts/-t}{P: }{l:opts/%s}", vfstype);
for (i = 1; i < mnt_argv.c; i++)
- (void)printf(" %s", mnt_argv.a[i]);
- (void)printf("\n");
+ xo_emit("{P: }{l:opts}", mnt_argv.a[i]);
+ xo_emit("\n");
free(optbuf);
free(mountprog);
mountprog = NULL;
@@ -620,13 +641,22 @@
if (verbose) {
if (statfs(name, &sf) < 0) {
- warn("statfs %s", name);
+ xo_warn("statfs %s", name);
return (1);
}
- if (fstab_style)
+ if (fstab_style) {
+ xo_open_list("fstab");
+ xo_open_instance("fstab");
putfsent(&sf);
- else
+ xo_close_instance("fstab");
+ xo_close_list("fstab");
+ } else {
+ xo_open_list("mounted");
+ xo_open_instance("mounted");
prmount(&sf);
+ xo_close_instance("mounted");
+ xo_close_list("mounted");
+ }
}
return (ret);
@@ -639,14 +669,15 @@
unsigned int i;
struct mntoptnames *o;
struct passwd *pw;
+ char *fsidbuf;
- (void)printf("%s on %s (%s", sfp->f_mntfromname, sfp->f_mntonname,
- sfp->f_fstypename);
+ xo_emit("{:special}{L: on }{:node}{L: (}{:fstype}", sfp->f_mntfromname,
+ sfp->f_mntonname, sfp->f_fstypename);
flags = sfp->f_flags & MNT_VISFLAGMASK;
for (o = optnames; flags != 0 && o->o_opt != 0; o++)
if (flags & o->o_opt) {
- (void)printf(", %s", o->o_name);
+ xo_emit("{D:, }{l:opts}", o->o_name);
flags &= ~o->o_opt;
}
/*
@@ -654,28 +685,40 @@
* or privileged non-root user.
*/
if ((flags & MNT_USER) != 0 || sfp->f_owner != 0) {
- (void)printf(", mounted by ");
+ xo_emit("{D:, }{L:mounted by }");
if ((pw = getpwuid(sfp->f_owner)) != NULL)
- (void)printf("%s", pw->pw_name);
+ xo_emit("{:mounter}", pw->pw_name);
else
- (void)printf("%d", sfp->f_owner);
+ xo_emit("{:mounter}", sfp->f_owner);
}
if (verbose) {
- if (sfp->f_syncwrites != 0 || sfp->f_asyncwrites != 0)
- (void)printf(", writes: sync %ju async %ju",
+ if (sfp->f_syncwrites != 0 || sfp->f_asyncwrites != 0) {
+ xo_open_container("writes");
+ xo_emit("{D:, }{Lwc:writes}{Lw:sync}{w:sync/%ju}{Lw:async}{:async/%ju}",
(uintmax_t)sfp->f_syncwrites,
(uintmax_t)sfp->f_asyncwrites);
- if (sfp->f_syncreads != 0 || sfp->f_asyncreads != 0)
- (void)printf(", reads: sync %ju async %ju",
+ xo_close_container("writes");
+ }
+ if (sfp->f_syncreads != 0 || sfp->f_asyncreads != 0) {
+ xo_open_container("reads");
+ xo_emit("{D:, }{Lwc:reads}{Lw:sync}{w:sync/%ju}{Lw:async}{:async/%ju}",
(uintmax_t)sfp->f_syncreads,
(uintmax_t)sfp->f_asyncreads);
+ xo_close_container("reads");
+ }
if (sfp->f_fsid.val[0] != 0 || sfp->f_fsid.val[1] != 0) {
- (void)printf(", fsid ");
+ fsidbuf = malloc(sizeof(sfp->f_fsid) * 2 + 1);
+ if (fsidbuf == NULL)
+ xo_errx(1, "malloc failed");
for (i = 0; i < sizeof(sfp->f_fsid); i++)
- (void)printf("%02x", ((u_char *)&sfp->f_fsid)[i]);
+ sprintf(&fsidbuf[i * 2], "%02x",
+ ((u_char *)&sfp->f_fsid)[i]);
+ fsidbuf[i * 2] = '\0';
+ xo_emit("{D:, }{Lw:fsid}{:fsid}", fsidbuf);
+ free(fsidbuf);
}
}
- (void)printf(")\n");
+ xo_emit("{D:)}\n");
}
struct statfs *
@@ -703,7 +746,7 @@
if (s0 && *s0) {
if (asprintf(&cp, "%s,%s", s0, s1) == -1)
- errx(1, "asprintf failed");
+ xo_errx(1, "asprintf failed");
} else
cp = strdup(s1);
@@ -758,7 +801,7 @@
}
if (mountprog == NULL) {
- errx(1, "Need value for -o mountprog");
+ xo_errx(1, "Need value for -o mountprog");
}
continue;
} else if (strcmp(p, "userquota") == 0) {
@@ -824,7 +867,7 @@
newopt = NULL;
for (p = expopt; (o = strsep(&p, ",")) != NULL;) {
if ((tmpopt = malloc( strlen(o) + 2 + 1 )) == NULL)
- errx(1, "malloc failed");
+ xo_errx(1, "malloc failed");
strcpy(tmpopt, "no");
strcat(tmpopt, o);
@@ -867,11 +910,11 @@
usage(void)
{
- (void)fprintf(stderr, "%s\n%s\n%s\n",
+ xo_error("%s\n%s\n%s\n",
"usage: mount [-adflpruvw] [-F fstab] [-o options] [-t ufs | external_type]",
" mount [-dfpruvw] special | node",
" mount [-dfpruvw] [-o options] [-t ufs | external_type] special node");
- exit(1);
+ EXIT(1);
}
void
@@ -899,32 +942,36 @@
}
l = strlen(ent->f_mntfromname);
- printf("%s%s%s%s", ent->f_mntfromname,
+ xo_emit("{:device}{P:/%s}{P:/%s}{P:/%s}",
+ ent->f_mntfromname,
l < 8 ? "\t" : "",
l < 16 ? "\t" : "",
l < 24 ? "\t" : " ");
l = strlen(ent->f_mntonname);
- printf("%s%s%s%s", ent->f_mntonname,
+ xo_emit("{:mntpoint}{P:/%s}{P:/%s}{P:/%s}",
+ ent->f_mntonname,
l < 8 ? "\t" : "",
l < 16 ? "\t" : "",
l < 24 ? "\t" : " ");
- printf("%s\t", ent->f_fstypename);
+ xo_emit("{:fstype}{P:\t}", ent->f_fstypename);
l = strlen(opts);
- printf("%s%s", opts,
+ xo_emit("{:opts}{P:/%s}", opts,
l < 8 ? "\t" : " ");
free(opts);
if ((fst = getfsspec(ent->f_mntfromname)))
- printf("\t%u %u\n", fst->fs_freq, fst->fs_passno);
+ xo_emit("{P:\t}{n:dump/%u}{P: }{n:pass/%u}\n",
+ fst->fs_freq, fst->fs_passno);
else if ((fst = getfsfile(ent->f_mntonname)))
- printf("\t%u %u\n", fst->fs_freq, fst->fs_passno);
+ xo_emit("{P:\t}{n:dump/%u}{P: }{n:pass/%u}\n",
+ fst->fs_freq, fst->fs_passno);
else if (strcmp(ent->f_fstypename, "ufs") == 0) {
if (strcmp(ent->f_mntonname, "/") == 0)
- printf("\t1 1\n");
+ xo_emit("{P:\t}{n:dump/1}{P: }{n:pass/1}\n");
else
- printf("\t2 2\n");
+ xo_emit("{P:\t}{n:dump/2}{P: }{n:pass/2}\n");
} else
- printf("\t0 0\n");
+ xo_emit("{P:\t}{n:dump/0}{P: }{n:pass/0}\n");
}

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