| Message ID | 20170630132120.31578-11-stefanha@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 06/30/2017 09:21 AM, Stefan Hajnoczi wrote: > Allow exports to be restricted to AF_VSOCK clients: > > # exportfs vsock:3:/export > > and: > > # cat /etc/exports > /export vsock:*(rw,no_root_squash,insecure,subtree_check) Again it would be nice to use hostnames or address types instead of a qualifier like 'vsock'... But if we do end up going down this road, this definitely has to be documented in the man page. steved. > > Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> > --- > utils/exportfs/exportfs.c | 32 ++++++++++++++++++++++++++++++++ > 1 file changed, 32 insertions(+) > > diff --git a/utils/exportfs/exportfs.c b/utils/exportfs/exportfs.c > index 3ded733..6bf67f1 100644 > --- a/utils/exportfs/exportfs.c > +++ b/utils/exportfs/exportfs.c > @@ -299,6 +299,20 @@ static int exportfs_generic(char *arg, char *options, int verbose) > return 0; > } > > +static int exportfs_vsock(char *arg, char *options, int verbose) > +{ > + char *path; > + > + if ((path = strchr(arg + strlen("vsock:"), ':')) != NULL) > + *path++ = '\0'; > + > + if (!path || *path != '/') > + return 1; > + > + exportfs_parsed(arg, path, options, verbose); > + return 0; > +} > + > static int exportfs_ipv6(char *arg, char *options, int verbose) > { > char *path, *c; > @@ -332,6 +346,8 @@ exportfs(char *arg, char *options, int verbose) > > if (*arg == '[') > failed = exportfs_ipv6(arg, options, verbose); > + else if (strncmp(arg, "vsock:", strlen("vsock:")) == 0) > + failed = exportfs_vsock(arg, options, verbose); > else > failed = exportfs_generic(arg, options, verbose); > if (failed) > @@ -412,6 +428,20 @@ static int unexportfs_generic(char *arg, int verbose) > return 0; > } > > +static int unexportfs_vsock(char *arg, int verbose) > +{ > + char *path; > + > + if ((path = strchr(arg + strlen("vsock:"), ':')) != NULL) > + *path++ = '\0'; > + > + if (!path || *path != '/') > + return 1; > + > + unexportfs_parsed(arg, path, verbose); > + return 0; > +} > + > static int unexportfs_ipv6(char *arg, int verbose) > { > char *path, *c; > @@ -445,6 +475,8 @@ unexportfs(char *arg, int verbose) > > if (*arg == '[') > failed = unexportfs_ipv6(arg, verbose); > + else if (strncmp(arg, "vsock:", strlen("vsock:")) == 0) > + failed = unexportfs_vsock(arg, verbose); > else > failed = unexportfs_generic(arg, verbose); > if (failed) > -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/utils/exportfs/exportfs.c b/utils/exportfs/exportfs.c index 3ded733..6bf67f1 100644 --- a/utils/exportfs/exportfs.c +++ b/utils/exportfs/exportfs.c @@ -299,6 +299,20 @@ static int exportfs_generic(char *arg, char *options, int verbose) return 0; } +static int exportfs_vsock(char *arg, char *options, int verbose) +{ + char *path; + + if ((path = strchr(arg + strlen("vsock:"), ':')) != NULL) + *path++ = '\0'; + + if (!path || *path != '/') + return 1; + + exportfs_parsed(arg, path, options, verbose); + return 0; +} + static int exportfs_ipv6(char *arg, char *options, int verbose) { char *path, *c; @@ -332,6 +346,8 @@ exportfs(char *arg, char *options, int verbose) if (*arg == '[') failed = exportfs_ipv6(arg, options, verbose); + else if (strncmp(arg, "vsock:", strlen("vsock:")) == 0) + failed = exportfs_vsock(arg, options, verbose); else failed = exportfs_generic(arg, options, verbose); if (failed) @@ -412,6 +428,20 @@ static int unexportfs_generic(char *arg, int verbose) return 0; } +static int unexportfs_vsock(char *arg, int verbose) +{ + char *path; + + if ((path = strchr(arg + strlen("vsock:"), ':')) != NULL) + *path++ = '\0'; + + if (!path || *path != '/') + return 1; + + unexportfs_parsed(arg, path, verbose); + return 0; +} + static int unexportfs_ipv6(char *arg, int verbose) { char *path, *c; @@ -445,6 +475,8 @@ unexportfs(char *arg, int verbose) if (*arg == '[') failed = unexportfs_ipv6(arg, verbose); + else if (strncmp(arg, "vsock:", strlen("vsock:")) == 0) + failed = unexportfs_vsock(arg, verbose); else failed = unexportfs_generic(arg, verbose); if (failed)
Allow exports to be restricted to AF_VSOCK clients: # exportfs vsock:3:/export and: # cat /etc/exports /export vsock:*(rw,no_root_squash,insecure,subtree_check) Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> --- utils/exportfs/exportfs.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)