if (verbose)
nfs_error(_("%s: failed to construct callback address"));
return 0;
-
}
/*
- * "nfsprog" is only supported by the legacy mount command. The
+ * "nfsprog" is supported only by the legacy mount command. The
* kernel mount client does not support this option.
*
- * Returns the value set by the nfsprog= option, the value of
- * the RPC NFS program specified in /etc/rpc, or a baked-in
- * default program number, if all fails.
+ * Returns TRUE if @program contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static rpcprog_t nfs_nfs_program(struct mount_options *options)
+static int
+nfs_nfs_program(struct mount_options *options, unsigned long *program)
{
long tmp;
- if (po_get_numeric(options, "nfsprog", &tmp) == PO_FOUND)
- if (tmp >= 0)
- return tmp;
- return nfs_getrpcbyname(NFSPROG, nfs_nfs_pgmtbl);
-}
+ switch (po_get_numeric(options, "nfsprog", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp > 0) {
+ *program = tmp;
+ return 1;
+ }
+ case PO_BAD_VALUE:
+ return 0;
+ }
+ /*
+ * NFS RPC program wasn't specified. The RPC program
+ * cannot be determined via an rpcbind query.
+ */
+ *program = nfs_getrpcbyname(NFSPROG, nfs_nfs_pgmtbl);
+ return 1;
+}
/*
- * Returns the RPC version number specified by the given mount
- * options for the NFS service, or zero if all fails.
+ * Returns TRUE if @version contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static rpcvers_t nfs_nfs_version(struct mount_options *options)
+static int
+nfs_nfs_version(struct mount_options *options, unsigned long *version)
{
long tmp;
switch (po_rightmost(options, nfs_version_opttbl)) {
case 0: /* v2 */
- return 2;
+ *version = 2;
+ return 1;
case 1: /* v3 */
- return 3;
+ *version = 3;
+ return 1;
case 2: /* vers */
- if (po_get_numeric(options, "vers", &tmp) == PO_FOUND)
- if (tmp >= 2 && tmp <= 3)
- return tmp;
- break;
+ switch (po_get_numeric(options, "vers", &tmp)) {
+ case PO_FOUND:
+ if (tmp >= 2 && tmp <= 3) {
+ *version = tmp;
+ return 1;
+ }
+ return 0;
+ case PO_NOT_FOUND:
+ nfs_error(_("%s: option parsing error\n"),
+ progname);
+ case PO_BAD_VALUE:
+ return 0;
+ }
case 3: /* nfsvers */
- if (po_get_numeric(options, "nfsvers", &tmp) == PO_FOUND)
- if (tmp >= 2 && tmp <= 3)
- return tmp;
- break;
+ switch (po_get_numeric(options, "nfsvers", &tmp)) {
+ case PO_FOUND:
+ if (tmp >= 2 && tmp <= 3) {
+ *version = tmp;
+ return 1;
+ }
+ return 0;
+ case PO_NOT_FOUND:
+ nfs_error(_("%s: option parsing error\n"),
+ progname);
+ case PO_BAD_VALUE:
+ return 0;
+ }
}
- return 0;
+ /*
+ * NFS version wasn't specified. The pmap version value
+ * will be filled in later by an rpcbind query in this case.
+ */
+ *version = 0;
+ return 1;
}
/*
- * Returns the NFS transport protocol specified by the given mount options
- *
- * Returns the IPPROTO_ value specified by the given mount options, or
- * zero if all fails. The protocol value will be filled in by an
- * rpcbind query in this case.
+ * Returns TRUE if @protocol contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static unsigned short nfs_nfs_protocol(struct mount_options *options)
+static int
+nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol)
{
char *option;
switch (po_rightmost(options, nfs_transport_opttbl)) {
case 0: /* udp */
- return IPPROTO_UDP;
+ *protocol = IPPROTO_UDP;
+ return 1;
case 1: /* tcp */
- return IPPROTO_TCP;
+ *protocol = IPPROTO_TCP;
+ return 1;
case 2: /* proto */
option = po_get(options, "proto");
if (option) {
- if (strcmp(option, "tcp") == 0)
- return IPPROTO_TCP;
- if (strcmp(option, "udp") == 0)
- return IPPROTO_UDP;
+ if (strcmp(option, "tcp") == 0) {
+ *protocol = IPPROTO_TCP;
+ return 1;
+ }
+ if (strcmp(option, "udp") == 0) {
+ *protocol = IPPROTO_UDP;
+ return 1;
+ }
+ return 0;
}
}
- return 0;
+ /*
+ * NFS transport protocol wasn't specified. The pmap
+ * protocol value will be filled in later by an rpcbind
+ * query in this case.
+ */
+ *protocol = 0;
+ return 1;
}
/*
- * Returns the NFS server's port number specified by the given
- * mount options, or zero if all fails. Zero results in a portmap
- * query to discover the server's mountd service port.
- *
- * port=0 will guarantee an rpcbind request precedes the first
- * NFS RPC so the client can determine the server's port number.
+ * Returns TRUE if @port contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static unsigned short nfs_nfs_port(struct mount_options *options)
+static int
+nfs_nfs_port(struct mount_options *options, unsigned long *port)
{
long tmp;
- if (po_get_numeric(options, "port", &tmp) == PO_FOUND)
- if (tmp >= 0 && tmp <= 65535)
- return tmp;
- return 0;
+ switch (po_get_numeric(options, "port", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp >= 1 && tmp <= 65535) {
+ *port = tmp;
+ return 1;
+ }
+ case PO_BAD_VALUE:
+ return 0;
+ }
+
+ /*
+ * NFS service port wasn't specified. The pmap port value
+ * will be filled in later by an rpcbind query in this case.
+ */
+ *port = 0;
+ return 1;
}
/*
- * "mountprog" is only supported by the legacy mount command. The
+ * "mountprog" is supported only by the legacy mount command. The
* kernel mount client does not support this option.
*
- * Returns the value set by the mountprog= option, the value of
- * the RPC mount program specified in /etc/rpc, or a baked-in
- * default program number, if all fails.
+ * Returns TRUE if @program contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static rpcprog_t nfs_mount_program(struct mount_options *options)
+static int
+nfs_mount_program(struct mount_options *options, unsigned long *program)
{
long tmp;
- if (po_get_numeric(options, "mountprog", &tmp) == PO_FOUND)
- if (tmp >= 0)
- return tmp;
- return nfs_getrpcbyname(MOUNTPROG, nfs_mnt_pgmtbl);
+ switch (po_get_numeric(options, "mountprog", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp > 0) {
+ *program = tmp;
+ return 1;
+ }
+ case PO_BAD_VALUE:
+ return 0;
+ }
+
+ /*
+ * MNT RPC program wasn't specified. The RPC program
+ * cannot be determined via an rpcbind query.
+ */
+ *program = nfs_getrpcbyname(MOUNTPROG, nfs_mnt_pgmtbl);
+ return 1;
}
/*
- * Returns the RPC version number specified by the given mount options,
- * or zero if all fails. The version value will be filled in by an
- * rpcbind query in this case.
+ * Returns TRUE if @version contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static rpcvers_t nfs_mount_version(struct mount_options *options)
+static int
+nfs_mount_version(struct mount_options *options, unsigned long *version)
{
long tmp;
- if (po_get_numeric(options, "mountvers", &tmp) == PO_FOUND)
- if (tmp >= 1 && tmp <= 4)
- return tmp;
+ switch (po_get_numeric(options, "mountvers", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp >= 1 && tmp <= 4) {
+ *version = tmp;
+ return 1;
+ }
+ case PO_BAD_VALUE:
+ return 0;
+ }
- return 0;
+ /*
+ * MNT version wasn't specified. The pmap version value
+ * will be filled in later by an rpcbind query in this case.
+ */
+ *version = 0;
+ return 1;
}
/*
- * Returns the transport protocol to use for the mount service
- *
- * Returns the IPPROTO_ value specified by the mountproto option, or
- * copies the NFS protocol setting. If the protocol value is zero,
- * the value will be filled in by an rpcbind query.
+ * Returns TRUE if @protocol contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static unsigned short nfs_mount_protocol(struct mount_options *options)
+static int
+nfs_mount_protocol(struct mount_options *options, unsigned long *protocol)
{
char *option;
option = po_get(options, "mountproto");
if (option) {
- if (strcmp(option, "tcp") == 0)
- return IPPROTO_TCP;
- if (strcmp(option, "udp") == 0)
- return IPPROTO_UDP;
+ if (strcmp(option, "tcp") == 0) {
+ *protocol = IPPROTO_TCP;
+ return 1;
+ }
+ if (strcmp(option, "udp") == 0) {
+ *protocol = IPPROTO_UDP;
+ return 1;
+ }
+ return 0;
}
- return nfs_nfs_protocol(options);
+ /*
+ * MNT transport protocol wasn't specified. If the NFS
+ * transport protocol was specified, use that; otherwise
+ * set @protocol to zero. The pmap protocol value will
+ * be filled in later by an rpcbind query in this case.
+ */
+ return nfs_nfs_protocol(options, protocol);
}
/*
- * Returns the mountd server's port number specified by the given
- * mount options, or zero if all fails. Zero results in a portmap
- * query to discover the server's mountd service port.
- *
- * mountport=0 will guarantee an rpcbind request precedes the mount
- * RPC so the client can determine the server's port number.
+ * Returns TRUE if @port contains a valid value for this option,
+ * or FALSE if the option was specified with an invalid value.
*/
-static unsigned short nfs_mount_port(struct mount_options *options)
+static int
+nfs_mount_port(struct mount_options *options, unsigned long *port)
{
long tmp;
- if (po_get_numeric(options, "mountport", &tmp) == PO_FOUND)
- if (tmp >= 0 && tmp <= 65535)
- return tmp;
- return 0;
+ switch (po_get_numeric(options, "mountport", &tmp)) {
+ case PO_NOT_FOUND:
+ break;
+ case PO_FOUND:
+ if (tmp >= 1 && tmp <= 65535) {
+ *port = tmp;
+ return 1;
+ }
+ case PO_BAD_VALUE:
+ return 0;
+ }
+
+ /*
+ * MNT service port wasn't specified. The pmap port value
+ * will be filled in later by an rpcbind query in this case.
+ */
+ *port = 0;
+ return 1;
}
/**
* @nfs_pmap: OUT: pointer to pmap arguments for NFS server
* @mnt_pmap: OUT: pointer to pmap arguments for mountd server
*
+ * Returns TRUE if the pmap options specified in @options have valid
+ * values; otherwise FALSE is returned.
*/
-void nfs_options2pmap(struct mount_options *options,
- struct pmap *nfs_pmap, struct pmap *mnt_pmap)
+int nfs_options2pmap(struct mount_options *options,
+ struct pmap *nfs_pmap, struct pmap *mnt_pmap)
{
- nfs_pmap->pm_prog = nfs_nfs_program(options);
- nfs_pmap->pm_vers = nfs_nfs_version(options);
- nfs_pmap->pm_prot = nfs_nfs_protocol(options);
- nfs_pmap->pm_port = nfs_nfs_port(options);
-
- mnt_pmap->pm_prog = nfs_mount_program(options);
- mnt_pmap->pm_vers = nfs_mount_version(options);
- mnt_pmap->pm_prot = nfs_mount_protocol(options);
- mnt_pmap->pm_port = nfs_mount_port(options);
+ if (!nfs_nfs_program(options, &nfs_pmap->pm_prog))
+ return 0;
+ if (!nfs_nfs_version(options, &nfs_pmap->pm_vers))
+ return 0;
+ if (!nfs_nfs_protocol(options, &nfs_pmap->pm_prot))
+ return 0;
+ if (!nfs_nfs_port(options, &nfs_pmap->pm_port))
+ return 0;
+
+ if (!nfs_mount_program(options, &mnt_pmap->pm_prog))
+ return 0;
+ if (!nfs_mount_version(options, &mnt_pmap->pm_vers))
+ return 0;
+ if (!nfs_mount_protocol(options, &mnt_pmap->pm_prot))
+ return 0;
+ if (!nfs_mount_port(options, &mnt_pmap->pm_port))
+ return 0;
+
+ return 1;
}
projects / nfs-utils.git / blobdiff