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98 lines
2.4 KiB
98 lines
2.4 KiB
7 years ago
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diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c
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index aff89d1..f55d2e1 100644
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--- a/utils/idmapd/idmapd.c
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+++ b/utils/idmapd/idmapd.c
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@@ -199,6 +199,12 @@ flush_nfsd_idmap_cache(void)
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return ret;
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}
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+void usage(char *progname)
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+{
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+ fprintf(stderr, "Usage: %s [-hfvCS] [-p path] [-c path]\n",
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+ basename(progname));
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+}
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+
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int
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main(int argc, char **argv)
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{
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@@ -225,16 +231,18 @@ main(int argc, char **argv)
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progname = argv[0];
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xlog_open(progname);
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-#define GETOPTSTR "vfd:p:U:G:c:CS"
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+#define GETOPTSTR "hvfd:p:U:G:c:CS"
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opterr=0; /* Turn off error messages */
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while ((opt = getopt(argc, argv, GETOPTSTR)) != -1) {
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if (opt == 'c')
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conf_path = optarg;
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if (opt == '?') {
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if (strchr(GETOPTSTR, optopt))
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- errx(1, "'-%c' option requires an argument.", optopt);
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+ warnx("'-%c' option requires an argument.", optopt);
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else
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- errx(1, "'-%c' is an invalid argument.", optopt);
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+ warnx("'-%c' is an invalid argument.", optopt);
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+ usage(progname);
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+ exit(1);
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}
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}
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optind = 1;
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@@ -276,6 +284,9 @@ main(int argc, char **argv)
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case 'S':
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clientstart = 0;
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break;
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+ case 'h':
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+ usage(progname);
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+ exit(0);
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default:
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break;
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}
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diff --git a/utils/idmapd/idmapd.man b/utils/idmapd/idmapd.man
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index 185cd1b..b9200c7 100644
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--- a/utils/idmapd/idmapd.man
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+++ b/utils/idmapd/idmapd.man
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@@ -10,8 +10,11 @@
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.Sh SYNOPSIS
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.\" For a program: program [-abc] file ...
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.Nm rpc.idmapd
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-.Op Fl v
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+.Op Fl h
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.Op Fl f
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+.Op Fl v
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+.Op Fl C
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+.Op Fl S
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.Op Fl p Ar path
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.Op Fl c Ar path
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.Sh DESCRIPTION
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@@ -20,8 +23,20 @@ is the NFSv4 ID <-> name mapping daemon. It provides functionality to
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the NFSv4 kernel client and server, to which it communicates via
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upcalls, by translating user and group IDs to names, and vice versa.
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.Pp
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+Note that on more recent kernels only the NFSv4 server uses
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+.Nm .
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+The NFSv4 client instead uses
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+.Xr nfsidmap 8 ,
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+and only falls back to
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+.Nm
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+if there was a problem running the
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+.Xr nfsidmap 8
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+program.
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+.Pp
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The options are as follows:
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.Bl -tag -width Ds_imagedir
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+.It Fl h
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+Display usage message.
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.It Fl v
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Increases the verbosity level (can be specified multiple times).
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.It Fl f
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@@ -58,7 +73,8 @@ messages to console, and with a verbosity level of 3.
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.Sh FILES
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.Pa /etc/idmapd.conf
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.Sh SEE ALSO
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-.Xr idmapd.conf 5
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+.Xr idmapd.conf 5 ,
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+.Xr nfsidmap 8
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.\".Sh SEE ALSO
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.\".Xr nylon.conf 4
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.\" .Sh COMPATIBILITY
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