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Fix handling of DNS names with '-' in them for sharenfs

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An old FreeBSD bugzilla report PR#168158 notes that DNS
names with '-'s in them cannot be used for the sharenfs
property.  This patch fixes the parsing of these DNS names.
The only negative affect this patch might have is that,
if a user has incorrectly separated options with a '-'
the sharenfs setting will no longer work once this patch
is applied.

Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Rick Macklem <rmacklem@uoguelph.ca>
Closes #16529
This commit is contained in:
rmacklem 2024-09-17 13:56:26 -07:00 committed by Tony Hutter
parent c25d5140b0
commit 2dc8529d9a
1 changed files with 3 additions and 1 deletions
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4
lib/libshare/os/freebsd/nfs.c
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@ -85,7 +85,9 @@ translate_opts(const char *shareopts, FILE *out)
strlcpy(oldopts, shareopts, sizeof (oldopts));
newopts[0] = '\0';
s = oldopts;
while ((o = strsep(&s, "-, ")) != NULL) {
while ((o = strsep(&s, ", ")) != NULL) {
if (o[0] == '-')
o++;
if (o[0] == '\0')
continue;
for (i = 0; i < ARRAY_SIZE(known_opts); ++i) {