@@ -55,6 +55,8 @@
#define NSMPROG ((rpcprog_t)100024)
#endif
+struct local_bind_info;
+
/**
* nfs_clear_rpc_createerr - zap all error reporting fields
*
@@ -75,7 +77,8 @@ extern rpcprog_t nfs_getrpcbyname(const rpcprog_t, const char *table[]);
extern CLIENT *nfs_get_rpcclient(const struct sockaddr *,
const socklen_t, const unsigned short,
const rpcprog_t, const rpcvers_t,
- struct timeval *);
+ struct timeval *,
+ struct local_bind_info *);
/*
* Acquire an RPC CLIENT * with a privileged source port
@@ -83,7 +86,8 @@ extern CLIENT *nfs_get_rpcclient(const struct sockaddr *,
extern CLIENT *nfs_get_priv_rpcclient( const struct sockaddr *,
const socklen_t, const unsigned short,
const rpcprog_t, const rpcvers_t,
- struct timeval *);
+ struct timeval *,
+ struct local_bind_info *);
/*
* Convert a netid to a protocol number and protocol family
@@ -116,7 +120,8 @@ extern int nfs_getport_ping(struct sockaddr *sap,
const socklen_t salen,
const rpcprog_t program,
const rpcvers_t version,
- const unsigned short protocol);
+ const unsigned short protocol,
+ struct local_bind_info *local_ip);
/*
* Generic function that maps an RPC service tuple to an IP port
@@ -124,14 +129,16 @@ extern int nfs_getport_ping(struct sockaddr *sap,
*/
extern unsigned short nfs_getport(const struct sockaddr *,
const socklen_t, const rpcprog_t,
- const rpcvers_t, const unsigned short);
+ const rpcvers_t, const unsigned short,
+ struct local_bind_info *local_ip);
/*
* Generic function that maps an RPC service tuple to an IP port
* number of the service on the local host
*/
extern unsigned short nfs_getlocalport(const rpcprot_t,
- const rpcvers_t, const unsigned short);
+ const rpcvers_t, const unsigned short,
+ struct local_bind_info *local_ip);
/*
* Function to invoke an rpcbind v3/v4 GETADDR request
@@ -153,7 +160,8 @@ extern unsigned long nfs_pmap_getport(const struct sockaddr_in *,
const unsigned long,
const unsigned long,
const unsigned long,
- const struct timeval *);
+ const struct timeval *,
+ struct local_bind_info *local_ip);
/*
* Contact a remote RPC service to discover whether it is responding
@@ -164,7 +172,8 @@ extern int nfs_rpc_ping(const struct sockaddr *sap,
const rpcprog_t program,
const rpcvers_t version,
const unsigned short protocol,
- const struct timeval *timeout);
+ const struct timeval *timeout,
+ struct local_bind_info *local_ip);
/* create AUTH_SYS handle with no supplemental groups */
extern AUTH * nfs_authsys_create(void);
@@ -46,6 +46,12 @@ union nfs_sockaddr {
struct sockaddr_in6 s6;
};
+struct local_bind_info {
+ struct sockaddr_storage addr;
+ int addrlen;
+ int is_set;
+};
+
#if SIZEOF_SOCKLEN_T - 0 == 0
#define socklen_t unsigned int
#endif
@@ -181,7 +181,8 @@ static CLIENT *nfs_gp_get_rpcbclient(struct sockaddr *sap,
const socklen_t salen,
const unsigned short transport,
const rpcvers_t version,
- struct timeval *timeout)
+ struct timeval *timeout,
+ struct local_bind_info *local_ip)
{
static const char *rpcb_pgmtbl[] = {
"rpcbind",
@@ -195,7 +196,7 @@ static CLIENT *nfs_gp_get_rpcbclient(struct sockaddr *sap,
nfs_set_port(sap, ntohs(nfs_gp_get_rpcb_port(transport)));
clnt = nfs_get_rpcclient(sap, salen, transport, rpcb_prog,
- version, timeout);
+ version, timeout, local_ip);
nfs_gp_map_tcp_errorcodes(transport);
return clnt;
}
@@ -729,7 +730,8 @@ static unsigned short nfs_gp_getport(CLIENT *client,
*/
int nfs_rpc_ping(const struct sockaddr *sap, const socklen_t salen,
const rpcprog_t program, const rpcvers_t version,
- const unsigned short protocol, const struct timeval *timeout)
+ const unsigned short protocol, const struct timeval *timeout,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *saddr = &address.sa;
@@ -744,7 +746,7 @@ int nfs_rpc_ping(const struct sockaddr *sap, const socklen_t salen,
memcpy(saddr, sap, (size_t)salen);
client = nfs_get_rpcclient(saddr, salen, protocol,
- program, version, &tout);
+ program, version, &tout, local_ip);
if (client != NULL) {
result = nfs_gp_ping(client, tout);
nfs_gp_map_tcp_errorcodes(protocol);
@@ -798,7 +800,8 @@ unsigned short nfs_getport(const struct sockaddr *sap,
const socklen_t salen,
const rpcprog_t program,
const rpcvers_t version,
- const unsigned short protocol)
+ const unsigned short protocol,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *saddr = &address.sa;
@@ -810,7 +813,8 @@ unsigned short nfs_getport(const struct sockaddr *sap,
memcpy(saddr, sap, (size_t)salen);
client = nfs_gp_get_rpcbclient(saddr, salen, protocol,
- default_rpcb_version, &timeout);
+ default_rpcb_version, &timeout,
+ local_ip);
if (client != NULL) {
port = nfs_gp_getport(client, saddr, program,
version, protocol, timeout);
@@ -840,7 +844,8 @@ unsigned short nfs_getport(const struct sockaddr *sap,
*/
int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
const rpcprog_t program, const rpcvers_t version,
- const unsigned short protocol)
+ const unsigned short protocol,
+ struct local_bind_info *local_ip)
{
struct timeval timeout = { -1, 0 };
unsigned short port = 0;
@@ -850,7 +855,8 @@ int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
nfs_clear_rpc_createerr();
client = nfs_gp_get_rpcbclient(sap, salen, protocol,
- default_rpcb_version, &timeout);
+ default_rpcb_version, &timeout,
+ local_ip);
if (client != NULL) {
port = nfs_gp_getport(client, sap, program,
version, protocol, timeout);
@@ -868,7 +874,8 @@ int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
nfs_clear_rpc_createerr();
client = nfs_get_rpcclient(saddr, salen, protocol,
- program, version, &timeout);
+ program, version, &timeout,
+ local_ip);
if (client != NULL) {
result = nfs_gp_ping(client, timeout);
nfs_gp_map_tcp_errorcodes(protocol);
@@ -909,7 +916,8 @@ int nfs_getport_ping(struct sockaddr *sap, const socklen_t salen,
*/
unsigned short nfs_getlocalport(const rpcprot_t program,
const rpcvers_t version,
- const unsigned short protocol)
+ const unsigned short protocol,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *lb_addr = &address.sa;
@@ -946,7 +954,8 @@ unsigned short nfs_getlocalport(const rpcprot_t program,
if (nfs_gp_loopback_address(lb_addr, &lb_len)) {
port = nfs_getport(lb_addr, lb_len,
- program, version, protocol);
+ program, version, protocol,
+ local_ip);
} else
rpc_createerr.cf_stat = RPC_UNKNOWNADDR;
}
@@ -1074,7 +1083,8 @@ unsigned long nfs_pmap_getport(const struct sockaddr_in *sin,
const unsigned long program,
const unsigned long version,
const unsigned long protocol,
- const struct timeval *timeout)
+ const struct timeval *timeout,
+ struct local_bind_info *local_ip)
{
struct sockaddr_in address;
struct sockaddr *saddr = (struct sockaddr *)&address;
@@ -1094,7 +1104,8 @@ unsigned long nfs_pmap_getport(const struct sockaddr_in *sin,
memcpy(saddr, sin, sizeof(address));
client = nfs_gp_get_rpcbclient(saddr, (socklen_t)sizeof(*sin),
- transport, PMAPVERS, &tout);
+ transport, PMAPVERS, &tout,
+ local_ip);
if (client != NULL) {
port = nfs_gp_pmap_getport(client, &parms, tout);
CLNT_DESTROY(client);
@@ -112,8 +112,12 @@ static CLIENT *nfs_get_localclient(const struct sockaddr *sap,
* Returns zero on success, or returns -1 on error. errno is
* set to reflect the nature of the error.
*/
-static int nfs_bind(const int sock, const sa_family_t family)
+static int nfs_bind(const int sock, const sa_family_t family,
+ struct local_bind_info *local_ip)
{
+ struct sockaddr *sa = NULL;
+ socklen_t salen = 0;
+
struct sockaddr_in sin = {
.sin_family = AF_INET,
.sin_addr.s_addr = htonl(INADDR_ANY),
@@ -123,15 +127,26 @@ static int nfs_bind(const int sock, const sa_family_t family)
.sin6_addr = IN6ADDR_ANY_INIT,
};
- switch (family) {
- case AF_INET:
- return bind(sock, (struct sockaddr *)(char *)&sin,
- (socklen_t)sizeof(sin));
- case AF_INET6:
- return bind(sock, (struct sockaddr *)(char *)&sin6,
- (socklen_t)sizeof(sin6));
+ if (local_ip && local_ip->is_set) {
+ sa = (struct sockaddr *)(char *)(&local_ip->addr);
+ salen = local_ip->addrlen;
+ } else {
+ switch (family) {
+ case AF_INET:
+ sa = (struct sockaddr *)(char *)&sin;
+ salen = sizeof(sin);
+ break;
+ case AF_INET6:
+ sa = (struct sockaddr *)(char *)&sin6;
+ salen = sizeof(sin6);
+ default:
+ break;
+ }
}
+ if (sa)
+ return bind(sock, sa, salen);
+
errno = EAFNOSUPPORT;
return -1;
}
@@ -144,8 +159,10 @@ static int nfs_bind(const int sock, const sa_family_t family)
* Returns zero on success, or returns -1 on error. errno is
* set to reflect the nature of the error.
*/
-static int nfs_bindresvport(const int sock, const sa_family_t family)
+static int nfs_bindresvport(const int sock, const sa_family_t family,
+ struct local_bind_info *local_ip)
{
+ struct sockaddr *sa = NULL;
struct sockaddr_in sin = {
.sin_family = AF_INET,
.sin_addr.s_addr = htonl(INADDR_ANY),
@@ -155,13 +172,23 @@ static int nfs_bindresvport(const int sock, const sa_family_t family)
.sin6_addr = IN6ADDR_ANY_INIT,
};
- switch (family) {
- case AF_INET:
- return bindresvport_sa(sock, (struct sockaddr *)(char *)&sin);
- case AF_INET6:
- return bindresvport_sa(sock, (struct sockaddr *)(char *)&sin6);
+ if (local_ip && local_ip->is_set) {
+ sa = (struct sockaddr *)(char *)(&local_ip->addr);
+ } else {
+ switch (family) {
+ case AF_INET:
+ sa = (struct sockaddr *)(char *)&sin;
+ break;
+ case AF_INET6:
+ sa = (struct sockaddr *)(char *)&sin6;
+ default:
+ break;
+ }
}
+ if (sa)
+ return bindresvport_sa(sock, sa);
+
errno = EAFNOSUPPORT;
return -1;
}
@@ -174,14 +201,25 @@ static int nfs_bindresvport(const int sock, const sa_family_t family)
* Returns zero on success, or returns -1 on error. errno is
* set to reflect the nature of the error.
*/
-static int nfs_bindresvport(const int sock, const sa_family_t family)
+static int nfs_bindresvport(const int sock, const sa_family_t family,
+ struct local_bind_info *local_ip)
{
+ struct sockaddr_in laddr;
if (family != AF_INET) {
errno = EAFNOSUPPORT;
return -1;
}
- return bindresvport(sock, NULL);
+ laddr.sin_family = family;
+ laddr.sin_port = 0;
+ if (local_ip && local_ip->is_set) {
+ struct sockaddr_in *si;
+ si = (struct sockaddr_in *)(&local_ip->addr);
+ laddr.sin_addr.s_addr = si->sin_addr.s_addr;
+ } else {
+ laddr.sin_addr.s_addr = htonl(INADDR_ANY);
+ }
+ return bindresvport(sock, &laddr);
}
#endif /* !HAVE_LIBTIRPC */
@@ -273,7 +311,8 @@ static CLIENT *nfs_get_udpclient(const struct sockaddr *sap,
const rpcprog_t program,
const rpcvers_t version,
struct timeval *timeout,
- const int resvport)
+ const int resvport,
+ struct local_bind_info *local_ip)
{
CLIENT *client;
int ret, sock;
@@ -301,9 +340,9 @@ static CLIENT *nfs_get_udpclient(const struct sockaddr *sap,
}
if (resvport)
- ret = nfs_bindresvport(sock, sap->sa_family);
+ ret = nfs_bindresvport(sock, sap->sa_family, local_ip);
else
- ret = nfs_bind(sock, sap->sa_family);
+ ret = nfs_bind(sock, sap->sa_family, local_ip);
if (ret < 0) {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
@@ -355,7 +394,8 @@ static CLIENT *nfs_get_tcpclient(const struct sockaddr *sap,
const rpcprog_t program,
const rpcvers_t version,
struct timeval *timeout,
- const int resvport)
+ const int resvport,
+ struct local_bind_info *local_ip)
{
CLIENT *client;
int ret, sock;
@@ -383,9 +423,9 @@ static CLIENT *nfs_get_tcpclient(const struct sockaddr *sap,
}
if (resvport)
- ret = nfs_bindresvport(sock, sap->sa_family);
+ ret = nfs_bindresvport(sock, sap->sa_family, local_ip);
else
- ret = nfs_bind(sock, sap->sa_family);
+ ret = nfs_bind(sock, sap->sa_family, local_ip);
if (ret < 0) {
rpc_createerr.cf_stat = RPC_SYSTEMERROR;
rpc_createerr.cf_error.re_errno = errno;
@@ -442,7 +482,8 @@ CLIENT *nfs_get_rpcclient(const struct sockaddr *sap,
const unsigned short transport,
const rpcprog_t program,
const rpcvers_t version,
- struct timeval *timeout)
+ struct timeval *timeout,
+ struct local_bind_info *local_ip)
{
nfs_clear_rpc_createerr();
@@ -465,11 +506,11 @@ CLIENT *nfs_get_rpcclient(const struct sockaddr *sap,
switch (transport) {
case IPPROTO_TCP:
return nfs_get_tcpclient(sap, salen, program, version,
- timeout, 0);
+ timeout, 0, local_ip);
case 0:
case IPPROTO_UDP:
return nfs_get_udpclient(sap, salen, program, version,
- timeout, 0);
+ timeout, 0, local_ip);
}
rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
@@ -499,7 +540,8 @@ CLIENT *nfs_get_priv_rpcclient(const struct sockaddr *sap,
const unsigned short transport,
const rpcprog_t program,
const rpcvers_t version,
- struct timeval *timeout)
+ struct timeval *timeout,
+ struct local_bind_info *local_ip)
{
nfs_clear_rpc_createerr();
@@ -522,11 +564,11 @@ CLIENT *nfs_get_priv_rpcclient(const struct sockaddr *sap,
switch (transport) {
case IPPROTO_TCP:
return nfs_get_tcpclient(sap, salen, program, version,
- timeout, 1);
+ timeout, 1, local_ip);
case 0:
case IPPROTO_UDP:
return nfs_get_udpclient(sap, salen, program, version,
- timeout, 1);
+ timeout, 1, local_ip);
}
rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
@@ -34,6 +34,7 @@
#include <sys/types.h>
#include <sys/queue.h>
#include <gssapi/gssapi.h>
+#include "sockaddr.h"
#define MAX_FILE_NAMELEN 32
#define FD_ALLOC_BLOCK 256
@@ -85,6 +86,7 @@ struct clnt_info {
int gssd_fd;
int gssd_poll_index;
struct sockaddr_storage addr;
+ struct local_bind_info local_ip;
};
TAILQ_HEAD(topdirs_list_head, topdirs_info) topdirs_list;
@@ -726,7 +726,8 @@ out_err:
static int
populate_port(struct sockaddr *sa, const socklen_t salen,
const rpcprog_t program, const rpcvers_t version,
- const unsigned short protocol)
+ const unsigned short protocol,
+ struct local_bind_info *local_ip)
{
struct sockaddr_in *s4 = (struct sockaddr_in *) sa;
#ifdef IPV6_SUPPORTED
@@ -774,7 +775,7 @@ populate_port(struct sockaddr *sa, const socklen_t salen,
goto set_port;
}
- port = nfs_getport(sa, salen, program, version, protocol);
+ port = nfs_getport(sa, salen, program, version, protocol, local_ip);
if (!port) {
printerr(0, "ERROR: unable to obtain port for prog %ld "
"vers %ld\n", program, version);
@@ -807,7 +808,8 @@ int create_auth_rpc_client(struct clnt_info *clp,
CLIENT **clnt_return,
AUTH **auth_return,
uid_t uid,
- int authtype)
+ int authtype,
+ struct local_bind_info *local_ip)
{
CLIENT *rpc_clnt = NULL;
struct rpc_gss_sec sec;
@@ -899,11 +901,12 @@ int create_auth_rpc_client(struct clnt_info *clp,
goto out_fail;
}
- if (!populate_port(addr, salen, clp->prog, clp->vers, protocol))
+ if (!populate_port(addr, salen, clp->prog, clp->vers,
+ protocol, local_ip))
goto out_fail;
rpc_clnt = nfs_get_rpcclient(addr, salen, protocol, clp->prog,
- clp->vers, &timeout);
+ clp->vers, &timeout, local_ip);
if (!rpc_clnt) {
snprintf(rpc_errmsg, sizeof(rpc_errmsg),
"WARNING: can't create %s rpc_clnt to server %s for "
@@ -955,7 +958,7 @@ int create_auth_rpc_client(struct clnt_info *clp,
*/
static void
process_krb5_upcall(struct clnt_info *clp, uid_t uid, int fd, char *tgtname,
- char *service)
+ char *service, struct local_bind_info *local_ip)
{
CLIENT *rpc_clnt = NULL;
AUTH *auth = NULL;
@@ -1011,7 +1014,7 @@ process_krb5_upcall(struct clnt_info *clp, uid_t uid, int fd, char *tgtname,
downcall_err = -EKEYEXPIRED;
else if (!err)
create_resp = create_auth_rpc_client(clp, &rpc_clnt, &auth, uid,
- AUTHTYPE_KRB5);
+ AUTHTYPE_KRB5, local_ip);
if (create_resp == 0)
break;
}
@@ -1038,7 +1041,8 @@ process_krb5_upcall(struct clnt_info *clp, uid_t uid, int fd, char *tgtname,
gssd_setup_krb5_machine_gss_ccache(*ccname);
if ((create_auth_rpc_client(clp, &rpc_clnt,
&auth, uid,
- AUTHTYPE_KRB5)) == 0) {
+ AUTHTYPE_KRB5,
+ local_ip)) == 0) {
/* Success! */
success++;
break;
@@ -1108,7 +1112,8 @@ out_return_error:
* context on behalf of the kernel
*/
static void
-process_spkm3_upcall(struct clnt_info *clp, uid_t uid, int fd)
+process_spkm3_upcall(struct clnt_info *clp, uid_t uid, int fd,
+ struct local_bind_info *local_ip)
{
CLIENT *rpc_clnt = NULL;
AUTH *auth = NULL;
@@ -1120,7 +1125,7 @@ process_spkm3_upcall(struct clnt_info *clp, uid_t uid, int fd)
token.length = 0;
token.value = NULL;
- if (create_auth_rpc_client(clp, &rpc_clnt, &auth, uid, AUTHTYPE_SPKM3)) {
+ if (create_auth_rpc_client(clp, &rpc_clnt, &auth, uid, AUTHTYPE_SPKM3, local_ip)) {
printerr(0, "WARNING: Failed to create spkm3 context for "
"user with uid %d\n", uid);
goto out_return_error;
@@ -1167,7 +1172,7 @@ handle_krb5_upcall(struct clnt_info *clp)
return;
}
- return process_krb5_upcall(clp, uid, clp->krb5_fd, NULL, NULL);
+ process_krb5_upcall(clp, uid, clp->krb5_fd, NULL, NULL, &clp->local_ip);
}
void
@@ -1181,7 +1186,7 @@ handle_spkm3_upcall(struct clnt_info *clp)
return;
}
- return process_spkm3_upcall(clp, uid, clp->spkm3_fd);
+ process_spkm3_upcall(clp, uid, clp->spkm3_fd, &clp->local_ip);
}
void
@@ -1291,9 +1296,9 @@ handle_gssd_upcall(struct clnt_info *clp)
}
if (strcmp(mech, "krb5") == 0)
- process_krb5_upcall(clp, uid, clp->gssd_fd, target, service);
+ process_krb5_upcall(clp, uid, clp->gssd_fd, target, service, &clp->local_ip);
else if (strcmp(mech, "spkm3") == 0)
- process_spkm3_upcall(clp, uid, clp->gssd_fd);
+ process_spkm3_upcall(clp, uid, clp->gssd_fd, &clp->local_ip);
else
printerr(0, "WARNING: handle_gssd_upcall: "
"received unknown gss mech '%s'\n", mech);
@@ -48,6 +48,7 @@
#include "error.h"
#include "stropts.h"
#include "utils.h"
+#include "network.h"
char *progname;
int nfs_mount_data_version;
@@ -55,6 +56,7 @@ int nomtab;
int verbose;
int sloppy;
int string;
+struct local_bind_info glb_local_ip;
#define FOREGROUND (0)
#define BACKGROUND (1)
@@ -305,6 +307,9 @@ static void parse_opt(const char *opt, int *mask, char *extra_opts, size_t len)
if ((len -= strlen(opt)) > 0)
strcat(extra_opts, opt);
+
+ if (strncmp(opt, "srcaddr=", strlen("srcaddr=")) == 0)
+ parse_local_bind(&glb_local_ip, opt + strlen("srcaddr="));
}
/*
@@ -345,21 +350,21 @@ static void parse_opts(const char *options, int *flags, char **extra_opts)
}
static int try_mount(char *spec, char *mount_point, int flags,
- char *fs_type, char **extra_opts, char *mount_opts,
- int fake, int bg)
+ char *fs_type, char **extra_opts, char *mount_opts,
+ int fake, int bg, struct local_bind_info *local_ip)
{
int ret;
if (string)
ret = nfsmount_string(spec, mount_point, fs_type, flags,
- extra_opts, fake, bg);
+ extra_opts, fake, bg, local_ip);
else {
if (strcmp(fs_type, "nfs4") == 0)
ret = nfs4mount(spec, mount_point, flags,
- extra_opts, fake, bg);
+ extra_opts, fake, bg, local_ip);
else
ret = nfsmount(spec, mount_point, flags,
- extra_opts, fake, bg);
+ extra_opts, fake, bg, local_ip);
}
if (ret)
@@ -377,6 +382,7 @@ int main(int argc, char *argv[])
char *spec, *mount_point, *fs_type = "nfs";
char *extra_opts = NULL, *mount_opts = NULL;
uid_t uid = getuid();
+ char *env;
progname = basename(argv[0]);
@@ -404,7 +410,7 @@ int main(int argc, char *argv[])
mount_config_init(progname);
argv[2] = argv[0]; /* so that getopt error messages are correct */
- while ((c = getopt_long(argc - 2, argv + 2, "rvVwfno:hs",
+ while ((c = getopt_long(argc - 2, argv + 2, "rvVwfno:hsI:",
longopts, NULL)) != -1) {
switch (c) {
case 'r':
@@ -434,6 +440,9 @@ int main(int argc, char *argv[])
case 's':
++sloppy;
break;
+ case 'I':
+ parse_local_bind(&glb_local_ip, optarg);
+ break;
case 'h':
default:
mount_usage();
@@ -495,6 +504,13 @@ int main(int argc, char *argv[])
parse_opts(mount_opts, &flags, &extra_opts);
+ /* It is hard to pass new cmd line args to this, so allow env to
+ * set local binding as well.
+ */
+ env = getenv("MNT_SRCADDR");
+ if (env)
+ parse_local_bind(&glb_local_ip, env);
+
if (uid != 0) {
if (!(flags & (MS_USERS|MS_USER))) {
nfs_error(_("%s: permission denied"), progname);
@@ -515,7 +531,7 @@ int main(int argc, char *argv[])
}
mnt_err = try_mount(spec, mount_point, flags, fs_type, &extra_opts,
- mount_opts, fake, FOREGROUND);
+ mount_opts, fake, FOREGROUND, &glb_local_ip);
if (mnt_err == EX_BG) {
printf(_("%s: backgrounding \"%s\"\n"),
progname, spec);
@@ -535,8 +551,8 @@ int main(int argc, char *argv[])
}
mnt_err = try_mount(spec, mount_point, flags, fs_type,
- &extra_opts, mount_opts, fake,
- BACKGROUND);
+ &extra_opts, mount_opts, fake,
+ BACKGROUND, &glb_local_ip);
if (verbose && mnt_err)
printf(_("%s: giving up \"%s\"\n"),
progname, spec);
@@ -404,30 +404,116 @@ out:
return 0;
}
+
+void
+parse_local_bind(struct local_bind_info *laddr, const char* str) {
+ /* str is an IP address. */
+ int aiErr;
+ unsigned int i;
+ struct addrinfo *aiHead;
+ struct addrinfo hints;
+ char *node = NULL; /* ip addr */
+ char *service = NULL; /* port */
+ char *tmp = xstrdup(str);
+
+ laddr->is_set = 0;
+
+ memset(&hints, 0, sizeof(hints));
+
+ hints.ai_flags = AI_NUMERICSERV;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+
+ if (str[0] == '[') {
+ /* IPv6 addr */
+ hints.ai_family = PF_INET6;
+ node = tmp + 1;
+ for (i = 0; i < strlen(node); i++) {
+ if (node[i] == ']') {
+ node[i] = 0;
+ service = &(node[i+1]);
+ break;
+ }
+ }
+ } else {
+ hints.ai_family = PF_INET;
+ node = tmp;
+ service = node;
+ }
+
+ if (service) {
+ int found_port = 0;
+ for (i = 0; i < strlen(service); i++) {
+ if (service[i] == ':') {
+ service += i+1;
+ found_port = 1;
+ break;
+ }
+ }
+ if (!found_port)
+ service = NULL;
+ }
+
+ aiErr = getaddrinfo(node, service, &hints, &aiHead);
+ if (aiErr != 0) {
+ printf("node: %s service: %s ai_family: %s aiErr: %i %s\n",
+ node, service,
+ hints.ai_family == PF_INET6 ? "INET6" : "INET",
+ aiErr, gai_strerror(aiErr));
+ perror("getaddrinfo");
+ } else {
+ if (aiHead) {
+ memcpy(&laddr->addr, aiHead->ai_addr, aiHead->ai_addrlen);
+ laddr->addrlen = aiHead->ai_addrlen;
+ laddr->is_set = 1;
+ freeaddrinfo(aiHead);
+ }
+ }
+ free(tmp);
+}
+
/*
* Create a socket that is locally bound to a reserved or non-reserved port.
*
* The caller should check rpc_createerr to determine the cause of any error.
*/
static int get_socket(struct sockaddr_in *saddr, unsigned int p_prot,
- unsigned int timeout, int resvp, int conn)
+ unsigned int timeout, int resvp, int conn,
+ struct local_bind_info *local_ip)
{
int so, cc, type;
struct sockaddr_in laddr;
socklen_t namelen = sizeof(laddr);
+ int f = AF_INET;
+
+ if (local_ip && local_ip->is_set)
+ f = local_ip->addr.ss_family;
type = (p_prot == IPPROTO_UDP ? SOCK_DGRAM : SOCK_STREAM);
- if ((so = socket (AF_INET, type, p_prot)) < 0)
+
+ so = socket(f, type, p_prot);
+ if (so < 0)
goto err_socket;
- laddr.sin_family = AF_INET;
+ laddr.sin_family = f;
laddr.sin_port = 0;
laddr.sin_addr.s_addr = htonl(INADDR_ANY);
if (resvp) {
+ /* TODO: Support IPv6 */
+ if (local_ip && local_ip->is_set
+ && local_ip->addr.ss_family == AF_INET) {
+ struct sockaddr_in *si;
+ si = (struct sockaddr_in *)(&local_ip->addr);
+ laddr.sin_addr.s_addr = si->sin_addr.s_addr;
+ }
if (bindresvport(so, &laddr) < 0)
goto err_bindresvport;
} else {
- cc = bind(so, SAFE_SOCKADDR(&laddr), namelen);
+ if (local_ip && local_ip->is_set)
+ cc = bind(so, (struct sockaddr *)&(local_ip->addr),
+ local_ip->addrlen);
+ else
+ cc = bind(so, SAFE_SOCKADDR(&laddr), namelen);
if (cc < 0)
goto err_bind;
}
@@ -537,7 +623,8 @@ static void nfs_pp_debug2(const char *str)
*/
static int nfs_probe_port(const struct sockaddr *sap, const socklen_t salen,
struct pmap *pmap, const unsigned long *versions,
- const unsigned int *protos)
+ const unsigned int *protos,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *saddr = &address.sa;
@@ -555,14 +642,16 @@ static int nfs_probe_port(const struct sockaddr *sap, const socklen_t salen,
if (verbose)
printf(_("%s: prog %lu, trying vers=%lu, prot=%u\n"),
progname, prog, *p_vers, *p_prot);
- p_port = nfs_getport(saddr, salen, prog, *p_vers, *p_prot);
+ p_port = nfs_getport(saddr, salen, prog, *p_vers, *p_prot,
+ local_ip);
if (p_port) {
if (!port || port == p_port) {
nfs_set_port(saddr, p_port);
nfs_pp_debug(saddr, salen, prog, *p_vers,
*p_prot, p_port);
if (nfs_rpc_ping(saddr, salen, prog,
- *p_vers, *p_prot, NULL))
+ *p_vers, *p_prot, NULL,
+ local_ip))
goto out_ok;
} else
rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
@@ -615,7 +704,8 @@ out_ok:
* returned; rpccreateerr.cf_stat is set to reflect the nature of the error.
*/
static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
- struct pmap *pmap)
+ struct pmap *pmap,
+ struct local_bind_info *local_ip)
{
if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
return 1;
@@ -626,10 +716,12 @@ static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
probe_proto = nfs_default_proto();
return nfs_probe_port(sap, salen, pmap,
- probe_nfs3_first, probe_proto);
+ probe_nfs3_first, probe_proto,
+ local_ip);
} else
return nfs_probe_port(sap, salen, pmap,
- probe_nfs2_only, probe_udp_only);
+ probe_nfs2_only, probe_udp_only,
+ local_ip);
}
/*
@@ -646,17 +738,20 @@ static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
* returned; rpccreateerr.cf_stat is set to reflect the nature of the error.
*/
static int nfs_probe_mntport(const struct sockaddr *sap, const socklen_t salen,
- struct pmap *pmap)
+ struct pmap *pmap,
+ struct local_bind_info *local_ip)
{
if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
return 1;
if (nfs_mount_data_version >= 4)
return nfs_probe_port(sap, salen, pmap,
- probe_mnt3_first, probe_udp_first);
+ probe_mnt3_first, probe_udp_first,
+ local_ip);
else
return nfs_probe_port(sap, salen, pmap,
- probe_mnt1_first, probe_udp_only);
+ probe_mnt1_first, probe_udp_only,
+ local_ip);
}
/*
@@ -673,11 +768,12 @@ static int nfs_probe_version_fixed(const struct sockaddr *mnt_saddr,
struct pmap *mnt_pmap,
const struct sockaddr *nfs_saddr,
const socklen_t nfs_salen,
- struct pmap *nfs_pmap)
+ struct pmap *nfs_pmap,
+ struct local_bind_info *local_ip)
{
- if (!nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap))
+ if (!nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap, local_ip))
return 0;
- return nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap);
+ return nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap, local_ip);
}
/**
@@ -700,7 +796,8 @@ int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
struct pmap *mnt_pmap,
const struct sockaddr *nfs_saddr,
const socklen_t nfs_salen,
- struct pmap *nfs_pmap)
+ struct pmap *nfs_pmap,
+ struct local_bind_info *local_ip)
{
struct pmap save_nfs, save_mnt;
const unsigned long *probe_vers;
@@ -712,7 +809,8 @@ int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
if (nfs_pmap->pm_vers)
return nfs_probe_version_fixed(mnt_saddr, mnt_salen, mnt_pmap,
- nfs_saddr, nfs_salen, nfs_pmap);
+ nfs_saddr, nfs_salen, nfs_pmap,
+ local_ip);
memcpy(&save_nfs, nfs_pmap, sizeof(save_nfs));
memcpy(&save_mnt, mnt_pmap, sizeof(save_mnt));
@@ -721,9 +819,9 @@ int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
for (; *probe_vers; probe_vers++) {
nfs_pmap->pm_vers = mntvers_to_nfs(*probe_vers);
- if (nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap) != 0) {
+ if (nfs_probe_nfsport(nfs_saddr, nfs_salen, nfs_pmap, local_ip) != 0) {
mnt_pmap->pm_vers = *probe_vers;
- if (nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap) != 0)
+ if (nfs_probe_mntport(mnt_saddr, mnt_salen, mnt_pmap, local_ip) != 0)
return 1;
memcpy(mnt_pmap, &save_mnt, sizeof(*mnt_pmap));
}
@@ -753,7 +851,8 @@ int nfs_probe_bothports(const struct sockaddr *mnt_saddr,
* Otherwise zero is returned; rpccreateerr.cf_stat is set to reflect
* the nature of the error.
*/
-int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
+int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server,
+ struct local_bind_info *local_ip)
{
struct sockaddr *mnt_addr = SAFE_SOCKADDR(&mnt_server->saddr);
struct sockaddr *nfs_addr = SAFE_SOCKADDR(&nfs_server->saddr);
@@ -761,7 +860,7 @@ int probe_bothports(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server)
return nfs_probe_bothports(mnt_addr, sizeof(mnt_server->saddr),
&mnt_server->pmap,
nfs_addr, sizeof(nfs_server->saddr),
- &nfs_server->pmap);
+ &nfs_server->pmap, local_ip);
}
static int nfs_probe_statd(void)
@@ -773,7 +872,8 @@ static int nfs_probe_statd(void)
rpcprog_t program = nfs_getrpcbyname(NSMPROG, nfs_ns_pgmtbl);
return nfs_getport_ping(SAFE_SOCKADDR(&addr), sizeof(addr),
- program, (rpcvers_t)1, IPPROTO_UDP);
+ program, (rpcvers_t)1, IPPROTO_UDP,
+ NULL);
}
/**
@@ -829,7 +929,8 @@ int start_statd(void)
* We use a fast timeout since this call is advisory only.
*/
int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
- const struct pmap *pmap, const dirpath *argp)
+ const struct pmap *pmap, const dirpath *argp,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *saddr = &address.sa;
@@ -841,7 +942,7 @@ int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
enum clnt_stat res = 0;
memcpy(saddr, sap, salen);
- if (nfs_probe_mntport(saddr, salen, &mnt_pmap) == 0) {
+ if (nfs_probe_mntport(saddr, salen, &mnt_pmap, local_ip) == 0) {
if (verbose)
nfs_error(_("%s: Failed to discover mountd port%s"),
progname, clnt_spcreateerror(""));
@@ -851,7 +952,7 @@ int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
client = nfs_get_priv_rpcclient(saddr, salen, mnt_pmap.pm_prot,
mnt_pmap.pm_prog, mnt_pmap.pm_vers,
- &timeout);
+ &timeout, local_ip);
if (client == NULL) {
if (verbose)
nfs_error(_("%s: Failed to create RPC client%s"),
@@ -899,7 +1000,8 @@ int nfs_advise_umount(const struct sockaddr *sap, const socklen_t salen,
* Note that a side effect of calling this function is that rpccreateerr
* is set.
*/
-int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
+int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp,
+ struct local_bind_info *local_ip)
{
struct sockaddr *sap = SAFE_SOCKADDR(&mnt_server->saddr);
socklen_t salen = sizeof(mnt_server->saddr);
@@ -908,9 +1010,9 @@ int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
enum clnt_stat res = 0;
int msock;
- if (!nfs_probe_mntport(sap, salen, pmap))
+ if (!nfs_probe_mntport(sap, salen, pmap, local_ip))
return 0;
- clnt = mnt_openclnt(mnt_server, &msock);
+ clnt = mnt_openclnt(mnt_server, &msock, local_ip);
if (!clnt)
return 0;
res = clnt_call(clnt, MOUNTPROC_UMNT,
@@ -931,7 +1033,8 @@ int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp)
*
* Returns an active handle for the remote's mountd service
*/
-CLIENT *mnt_openclnt(clnt_addr_t *mnt_server, int *msock)
+CLIENT *mnt_openclnt(clnt_addr_t *mnt_server, int *msock,
+ struct local_bind_info *local_ip)
{
struct sockaddr_in *mnt_saddr = &mnt_server->saddr;
struct pmap *mnt_pmap = &mnt_server->pmap;
@@ -939,7 +1042,7 @@ CLIENT *mnt_openclnt(clnt_addr_t *mnt_server, int *msock)
mnt_saddr->sin_port = htons((u_short)mnt_pmap->pm_port);
*msock = get_socket(mnt_saddr, mnt_pmap->pm_prot, MOUNT_TIMEOUT,
- TRUE, FALSE);
+ TRUE, FALSE, local_ip);
if (*msock == RPC_ANYSOCK) {
if (rpc_createerr.cf_error.re_errno == EADDRINUSE)
/*
@@ -1008,7 +1111,7 @@ void mnt_closeclnt(CLIENT *clnt, int msock)
*/
int clnt_ping(struct sockaddr_in *saddr, const unsigned long prog,
const unsigned long vers, const unsigned int prot,
- struct sockaddr_in *caddr)
+ struct sockaddr_in *caddr, struct local_bind_info *local_ip)
{
CLIENT *clnt = NULL;
int sock, status;
@@ -1016,7 +1119,7 @@ int clnt_ping(struct sockaddr_in *saddr, const unsigned long prog,
struct sockaddr dissolve;
rpc_createerr.cf_stat = status = 0;
- sock = get_socket(saddr, prot, CONNECT_TIMEOUT, FALSE, TRUE);
+ sock = get_socket(saddr, prot, CONNECT_TIMEOUT, FALSE, TRUE, local_ip);
if (sock == RPC_ANYSOCK) {
if (rpc_createerr.cf_error.re_errno == ETIMEDOUT) {
/*
@@ -1659,7 +1762,8 @@ out:
* parsed successfully; otherwise EX_FAIL.
*/
int nfs_umount_do_umnt(struct mount_options *options,
- char **hostname, char **dirname)
+ char **hostname, char **dirname,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr address;
struct sockaddr *sap = &address.sa;
@@ -1686,7 +1790,7 @@ int nfs_umount_do_umnt(struct mount_options *options,
/* nfs_lookup reports any errors */
return EX_FAIL;
- if (nfs_advise_umount(sap, salen, &mnt_pmap, dirname) == 0)
+ if (nfs_advise_umount(sap, salen, &mnt_pmap, dirname, local_ip) == 0)
/* nfs_advise_umount reports any errors */
return EX_FAIL;
@@ -25,6 +25,7 @@
#define _NFS_UTILS_MOUNT_NETWORK_H
#include <rpc/pmap_prot.h>
+#include "sockaddr.h"
#define MNT_SENDBUFSIZE (2048U)
#define MNT_RECVBUFSIZE (1024U)
@@ -35,14 +36,17 @@ typedef struct {
struct pmap pmap;
} clnt_addr_t;
+void parse_local_bind(struct local_bind_info *laddr, const char* str);
+
/* RPC call timeout values */
static const struct timeval TIMEOUT = { 20, 0 };
static const struct timeval RETRY_TIMEOUT = { 3, 0 };
-int probe_bothports(clnt_addr_t *, clnt_addr_t *);
+int probe_bothports(clnt_addr_t *, clnt_addr_t *, struct local_bind_info *);
int nfs_probe_bothports(const struct sockaddr *, const socklen_t,
struct pmap *, const struct sockaddr *,
- const socklen_t, struct pmap *);
+ const socklen_t, struct pmap *,
+ struct local_bind_info *);
int nfs_gethostbyname(const char *, struct sockaddr_in *);
int nfs_lookup(const char *hostname, const sa_family_t family,
struct sockaddr *sap, socklen_t *salen);
@@ -53,7 +57,7 @@ int nfs_callback_address(const struct sockaddr *, const socklen_t,
struct sockaddr *, socklen_t *);
int clnt_ping(struct sockaddr_in *, const unsigned long,
const unsigned long, const unsigned int,
- struct sockaddr_in *);
+ struct sockaddr_in *, struct local_bind_info *);
struct mount_options;
@@ -69,13 +73,15 @@ int start_statd(void);
unsigned long nfsvers_to_mnt(const unsigned long);
-int nfs_call_umount(clnt_addr_t *, dirpath *);
+int nfs_call_umount(clnt_addr_t *, dirpath *, struct local_bind_info *);
int nfs_advise_umount(const struct sockaddr *, const socklen_t,
- const struct pmap *, const dirpath *);
-CLIENT *mnt_openclnt(clnt_addr_t *, int *);
+ const struct pmap *, const dirpath *,
+ struct local_bind_info *);
+CLIENT *mnt_openclnt(clnt_addr_t *, int *, struct local_bind_info *);
void mnt_closeclnt(CLIENT *, int);
int nfs_umount_do_umnt(struct mount_options *options,
- char **hostname, char **dirname);
+ char **hostname, char **dirname,
+ struct local_bind_info *local_ip);
#endif /* _NFS_UTILS_MOUNT_NETWORK_H */
@@ -68,6 +68,9 @@ struct nfs4_mount_data {
#define NFS4_MOUNT_UNSHARED 0x8000 /* 5 */
#define NFS4_MOUNT_FLAGMASK 0xFFFF
-int nfs4mount(const char *, const char *, int, char **, int, int);
+struct local_bind_info;
+
+int nfs4mount(const char *, const char *, int, char **, int, int,
+ struct local_bind_info *);
#endif
@@ -172,7 +172,8 @@ static int get_my_ipv4addr(char *ip_addr, int len)
}
int nfs4mount(const char *spec, const char *node, int flags,
- char **extra_opts, int fake, int running_bg)
+ char **extra_opts, int fake, int running_bg,
+ struct local_bind_info *local_ip)
{
static struct nfs4_mount_data data;
static char hostdir[1024];
@@ -425,7 +426,8 @@ int nfs4mount(const char *spec, const char *node, int flags,
}
client_addr.sin_family = 0;
client_addr.sin_addr.s_addr = 0;
- clnt_ping(&server_addr, NFS_PROGRAM, 4, data.proto, &client_addr);
+ clnt_ping(&server_addr, NFS_PROGRAM, 4, data.proto,
+ &client_addr, local_ip);
if (rpc_createerr.cf_stat == RPC_SUCCESS) {
if (!ip_addr_in_opts &&
client_addr.sin_family != 0 &&
@@ -80,7 +80,10 @@ struct nfs_mount_data {
#define AUTH_GSS_SPKMP 390011
#endif
-int nfsmount(const char *, const char *, int , char **, int, int);
+struct local_bind_info;
+
+int nfsmount(const char *, const char *, int , char **, int, int,
+ struct local_bind_info *);
int nfsumount(int, char **);
#endif /* _NFS_UTILS_MOUNT_NFS_MOUNT_H */
@@ -123,16 +123,17 @@ nfs2_mount(CLIENT *clnt, mnt2arg_t *mnt2arg, mnt2res_t *mnt2res)
static int
nfs_call_mount(clnt_addr_t *mnt_server, clnt_addr_t *nfs_server,
- mntarg_t *mntarg, mntres_t *mntres)
+ mntarg_t *mntarg, mntres_t *mntres,
+ struct local_bind_info *local_ip)
{
CLIENT *clnt;
enum clnt_stat stat;
int msock;
- if (!probe_bothports(mnt_server, nfs_server))
+ if (!probe_bothports(mnt_server, nfs_server, local_ip))
goto out_bad;
- clnt = mnt_openclnt(mnt_server, &msock);
+ clnt = mnt_openclnt(mnt_server, &msock, local_ip);
if (!clnt)
goto out_bad;
/* make pointers in xdr_mountres3 NULL so
@@ -501,7 +502,8 @@ out_bad:
int
nfsmount(const char *spec, const char *node, int flags,
- char **extra_opts, int fake, int running_bg)
+ char **extra_opts, int fake, int running_bg,
+ struct local_bind_info *local_ip)
{
char hostdir[1024];
char *hostname, *dirname, *old_opts, *mounthost = NULL;
@@ -681,7 +683,7 @@ nfsmount(const char *spec, const char *node, int flags,
sleep(30);
stat = nfs_call_mount(&mnt_server, &nfs_server,
- &dirname, &mntres);
+ &dirname, &mntres, local_ip);
if (stat)
break;
memcpy(nfs_pmap, &save_nfs, sizeof(*nfs_pmap));
@@ -779,7 +781,7 @@ nfsmount(const char *spec, const char *node, int flags,
"not supported"),
progname, hostname, dirname);
/* server has registered us in rmtab, send umount */
- nfs_call_umount(&mnt_server, &dirname);
+ nfs_call_umount(&mnt_server, &dirname, local_ip);
goto fail;
}
noauth_flavors:
@@ -57,7 +57,7 @@ extern int verbose;
int force;
int lazy;
int remount;
-
+struct local_bind_info glb_local_ip;
static int try_remount(const char *spec, const char *node)
{
@@ -231,6 +231,7 @@ static struct option umount_longopts[] =
{ "no-mtab", 0, 0, 'n' },
{ "verbose", 0, 0, 'v' },
{ "read-only", 0, 0, 'r' },
+ { "local-ip", 0, 0, 'I' },
{ NULL, 0, 0, 0 }
};
@@ -239,6 +240,7 @@ int nfsumount(int argc, char *argv[])
int c, ret;
char *spec;
struct mntentchn *mc;
+ char *env;
if (argc < 2) {
umount_usage();
@@ -251,13 +253,16 @@ int nfsumount(int argc, char *argv[])
argc -= 1;
argv[0] = argv[-1]; /* So that getopt error messages are correct */
- while ((c = getopt_long (argc, argv, "fvnrlh",
+ while ((c = getopt_long (argc, argv, "fvnrlhI:",
umount_longopts, NULL)) != -1) {
switch (c) {
case 'f':
++force;
break;
+ case 'I': /* bind to local IP */
+ parse_local_bind(&glb_local_ip, optarg);
+ break;
case 'v':
++verbose;
break;
@@ -280,7 +285,11 @@ int nfsumount(int argc, char *argv[])
umount_usage();
return EX_USAGE;
}
-
+
+ env = getenv("MNT_BIND_ADDR");
+ if (env)
+ parse_local_bind(&glb_local_ip, env);
+
if (spec == NULL || (*spec != '/' && strchr(spec,':') == NULL)) {
nfs_error(_("%s: %s: not found\n"), progname, spec);
return EX_USAGE;
@@ -344,7 +353,8 @@ int nfsumount(int argc, char *argv[])
* we don't want to signal an error, as that
* could cause /sbin/mount to retry!
*/
- nfs_umount23(mc->m.mnt_fsname, mc->m.mnt_opts);
+ nfs_umount23(mc->m.mnt_fsname, mc->m.mnt_opts,
+ &glb_local_ip);
break;
case 1:
break;
@@ -355,7 +365,7 @@ int nfsumount(int argc, char *argv[])
ret = del_mtab(mc->m.mnt_fsname, mc->m.mnt_dir);
} else if (*spec != '/') {
if (!lazy)
- ret = nfs_umount23(spec, "tcp,v3");
+ ret = nfs_umount23(spec, "tcp,v3", &glb_local_ip);
} else
ret = del_mtab(NULL, spec);
@@ -92,6 +92,7 @@ struct nfsmount_info {
int flags, /* MS_ flags */
fake, /* actually do the mount? */
child; /* forked bg child? */
+ struct local_bind_info *local_ip; /* Local IP binding info */
};
#ifdef MOUNT_CONFIG
@@ -484,7 +485,8 @@ static int nfs_construct_new_options(struct mount_options *options,
* FALSE is returned if some failure occurred.
*/
static int
-nfs_rewrite_pmap_mount_options(struct mount_options *options)
+nfs_rewrite_pmap_mount_options(struct mount_options *options,
+ struct local_bind_info *local_ip)
{
union nfs_sockaddr nfs_address;
struct sockaddr *nfs_saddr = &nfs_address.sa;
@@ -534,7 +536,8 @@ nfs_rewrite_pmap_mount_options(struct mount_options *options)
* negotiate. Bail now if we can't contact it.
*/
if (!nfs_probe_bothports(mnt_saddr, mnt_salen, &mnt_pmap,
- nfs_saddr, nfs_salen, &nfs_pmap)) {
+ nfs_saddr, nfs_salen, &nfs_pmap,
+ local_ip)) {
errno = ESPIPE;
if (rpc_createerr.cf_stat == RPC_PROGNOTREGISTERED)
errno = EOPNOTSUPP;
@@ -589,7 +592,7 @@ static int nfs_sys_mount(struct nfsmount_info *mi, struct mount_options *opts)
}
static int nfs_do_mount_v3v2(struct nfsmount_info *mi,
- struct sockaddr *sap, socklen_t salen)
+ struct sockaddr *sap, socklen_t salen)
{
struct mount_options *options = po_dup(mi->options);
int result = 0;
@@ -631,7 +634,7 @@ static int nfs_do_mount_v3v2(struct nfsmount_info *mi,
printf(_("%s: trying text-based options '%s'\n"),
progname, *mi->extra_opts);
- if (!nfs_rewrite_pmap_mount_options(options))
+ if (!nfs_rewrite_pmap_mount_options(options, mi->local_ip))
goto out_fail;
result = nfs_sys_mount(mi, options);
@@ -1028,7 +1031,8 @@ static int nfsmount_start(struct nfsmount_info *mi)
* Returns a valid mount command exit code.
*/
int nfsmount_string(const char *spec, const char *node, const char *type,
- int flags, char **extra_opts, int fake, int child)
+ int flags, char **extra_opts, int fake, int child,
+ struct local_bind_info *local_ip)
{
struct nfsmount_info mi = {
.spec = spec,
@@ -1039,6 +1043,7 @@ int nfsmount_string(const char *spec, const char *node, const char *type,
.flags = flags,
.fake = fake,
.child = child,
+ .local_ip = local_ip,
};
int retval = EX_FAIL;
@@ -25,6 +25,6 @@
#define _NFS_UTILS_MOUNT_STROPTS_H
int nfsmount_string(const char *, const char *, const char *, int,
- char **, int, int);
+ char **, int, int, struct local_bind_info *);
#endif /* _NFS_UTILS_MOUNT_STROPTS_H */
@@ -104,6 +104,7 @@ void mount_usage(void)
printf(_("\t-n\t\tDo not update /etc/mtab\n"));
printf(_("\t-s\t\tTolerate sloppy mount options rather than fail\n"));
printf(_("\t-h\t\tPrint this help\n"));
+ printf(_("\t-I\t\tBind to local IP address\n"));
printf(_("\tnfsoptions\tRefer to mount.nfs(8) or nfs(5)\n\n"));
}
@@ -115,6 +116,7 @@ void umount_usage(void)
printf(_("\t-n\tDo not update /etc/mtab\n"));
printf(_("\t-r\tremount\n"));
printf(_("\t-l\tlazy unmount\n"));
+ printf(_("\t-I\t\tBind to local IP address\n"));
printf(_("\t-h\tprint this help\n\n"));
}
@@ -153,7 +155,8 @@ int chk_mountpoint(const char *mount_point)
* pmap tuple. If the GETPORT call later fails to disambiguate them,
* then we fail.
*/
-int nfs_umount23(const char *devname, char *string)
+int nfs_umount23(const char *devname, char *string,
+ struct local_bind_info *local_ip)
{
char *hostname = NULL, *dirname = NULL;
struct mount_options *options;
@@ -164,7 +167,8 @@ int nfs_umount23(const char *devname, char *string)
options = po_split(string);
if (options) {
- result = nfs_umount_do_umnt(options, &hostname, &dirname);
+ result = nfs_umount_do_umnt(options, &hostname, &dirname,
+ local_ip);
po_destroy(options);
} else
nfs_error(_("%s: option parsing error"), progname);
@@ -31,6 +31,7 @@ void mount_usage(void);
void umount_usage(void);
int chk_mountpoint(const char *mount_point);
-int nfs_umount23(const char *devname, char *string);
+int nfs_umount23(const char *devname, char *string,
+ struct local_bind_info *local_ip);
#endif /* !_NFS_UTILS_MOUNT_UTILS_H */