* [LTP] [PATCH v2 2/3] setns: add new syscall test setns01
2013-02-06 11:55 [LTP] [PATCH v2 0/3] add new syscall test for setns(2) Jan Stancek
2013-02-06 11:55 ` [LTP] [PATCH v2 1/3] setns: setup directory at kernel/syscalls/setns Jan Stancek
@ 2013-02-06 11:55 ` Jan Stancek
2013-02-12 12:33 ` chrubis
2013-02-06 11:55 ` [LTP] [PATCH v2 3/3] setns: add new syscall test setns02 Jan Stancek
2 siblings, 1 reply; 8+ messages in thread
From: Jan Stancek @ 2013-02-06 11:55 UTC (permalink / raw)
To: ltp-list
errno tests for setns(2) - reassociate thread with a namespace
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
runtest/syscalls | 2 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/setns/setns.h | 89 +++++++++++
testcases/kernel/syscalls/setns/setns01.c | 240 +++++++++++++++++++++++++++++
4 files changed, 332 insertions(+), 0 deletions(-)
create mode 100644 testcases/kernel/syscalls/setns/setns.h
create mode 100644 testcases/kernel/syscalls/setns/setns01.c
diff --git a/runtest/syscalls b/runtest/syscalls
index db5a075..a881479 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -962,6 +962,8 @@ setitimer01 setitimer01
setitimer02 setitimer02
setitimer03 setitimer03
+setns01 setns01
+
setpgid01 setpgid01
setpgid02 setpgid02
setpgid03 setpgid03
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index 003c5d0..d3bf8b7 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -763,6 +763,7 @@
/setitimer/setitimer01
/setitimer/setitimer02
/setitimer/setitimer03
+/setns/setns01
/setpgid/setpgid01
/setpgid/setpgid02
/setpgid/setpgid03
diff --git a/testcases/kernel/syscalls/setns/setns.h b/testcases/kernel/syscalls/setns/setns.h
new file mode 100644
index 0000000..094bfe9
--- /dev/null
+++ b/testcases/kernel/syscalls/setns/setns.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2013 Linux Test Project, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it
+ * is free of the rightful claim of any third person regarding
+ * infringement or the like. Any license provided herein, whether
+ * implied or otherwise, applies only to this software file. Patent
+ * licenses, if any, provided herein do not apply to combinations of
+ * this program with other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#define NS_MAX 5
+static int ns_types[NS_MAX];
+static int ns_fds[NS_MAX];
+static int ns_total;
+
+static int get_ns_fd(int pid, const char *ns)
+{
+ char tmp[PATH_MAX];
+ struct stat st;
+ int fd = -1;
+
+ sprintf(tmp, "/proc/%d/%s", pid, ns);
+ if (stat(tmp, &st) == 0) {
+ fd = open(tmp, O_RDONLY);
+ if (fd == -1)
+ tst_brkm(TBROK|TERRNO, NULL, "failed to open %s", tmp);
+ } else {
+ if (errno != ENOENT)
+ tst_brkm(TBROK|TERRNO, NULL, "failed to stat %s", tmp);
+ }
+ return fd;
+}
+
+static void init_available_ns()
+{
+#define INIT_NS_TYPE(clone_type, proc_name) \
+{ \
+ int fd; \
+ fd = get_ns_fd(getpid(), "ns/"proc_name); \
+ if (fd != -1) { \
+ ns_types[ns_total] = clone_type; \
+ ns_fds[ns_total] = fd; \
+ tst_resm(TINFO, "ns_fds[%d]=%d, ns_types[%d]=0x%x", ns_total, \
+ fd, ns_total, clone_type); \
+ ns_total++; \
+ } \
+}
+
+#if defined(CLONE_NEWIPC)
+ INIT_NS_TYPE(CLONE_NEWIPC, "ipc");
+#endif
+#if defined(CLONE_NEWNS)
+ INIT_NS_TYPE(CLONE_NEWNS, "mnt");
+#endif
+#if defined(CLONE_NEWNET)
+ INIT_NS_TYPE(CLONE_NEWNET, "net");
+#endif
+#if defined(CLONE_NEWPID)
+ INIT_NS_TYPE(CLONE_NEWPID, "pid");
+#endif
+#if defined(CLONE_NEWUTS)
+ INIT_NS_TYPE(CLONE_NEWUTS, "uts");
+#endif
+
+#undef INIT_NS_TYPE
+}
+
+static void close_ns_fds()
+{
+ int i;
+
+ for (i = 0; i < ns_total; i++)
+ if (ns_fds[i] != -1)
+ close(ns_fds[i]);
+}
diff --git a/testcases/kernel/syscalls/setns/setns01.c b/testcases/kernel/syscalls/setns/setns01.c
new file mode 100644
index 0000000..b83022c
--- /dev/null
+++ b/testcases/kernel/syscalls/setns/setns01.c
@@ -0,0 +1,240 @@
+/*
+ * Copyright (C) 2013 Linux Test Project, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it
+ * is free of the rightful claim of any third person regarding
+ * infringement or the like. Any license provided herein, whether
+ * implied or otherwise, applies only to this software file. Patent
+ * licenses, if any, provided herein do not apply to combinations of
+ * this program with other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * errno tests for setns(2) - reassociate thread with a namespace
+ */
+#define _GNU_SOURCE
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <sched.h>
+#include <pwd.h>
+#include <string.h>
+#include "config.h"
+#include "test.h"
+#include "usctest.h"
+#include "linux_syscall_numbers.h"
+#include "safe_macros.h"
+
+char *TCID = "setns01";
+
+#if defined(__NR_setns)
+#include "setns.h"
+
+struct testcase_t {
+ const char *msg;
+ int fd;
+ int ns_type;
+ int exp_ret;
+ int exp_errno;
+ int skip;
+ void (*setup) (struct testcase_t *, int i);
+ void (*cleanup) (struct testcase_t *);
+};
+
+static void setup(void);
+static void cleanup(void);
+static void setup0(struct testcase_t *, int);
+static void setup1(struct testcase_t *, int);
+static void setup2(struct testcase_t *, int);
+static void setup3(struct testcase_t *, int);
+static void setup4(struct testcase_t *, int);
+static void cleanup1(struct testcase_t *);
+static void cleanup4(struct testcase_t *);
+
+struct testcase_t tdat[] = {
+ {
+ .msg = "invalid fd",
+ .fd = -1,
+ .exp_ret = -1,
+ .exp_errno = EBADF,
+ .setup = setup0,
+ },
+ {
+ .msg = "regular file fd",
+ .exp_ret = -1,
+ .exp_errno = EINVAL,
+ .setup = setup1,
+ .cleanup = cleanup1
+ },
+ {
+ .msg = "invalid ns_type",
+ .ns_type = -1,
+ .exp_ret = -1,
+ .exp_errno = EINVAL,
+ .setup = setup2,
+ },
+ {
+ .msg = "mismatch ns_type/fd",
+ .exp_ret = -1,
+ .exp_errno = EINVAL,
+ .setup = setup3,
+ },
+ {
+ .msg = "without CAP_SYS_ADMIN",
+ .exp_ret = -1,
+ .exp_errno = EPERM,
+ .setup = setup4,
+ .cleanup = cleanup4,
+ }
+};
+
+static int TST_TOTAL = sizeof(tdat) / sizeof(tdat[0]);
+static const char nobody_uid[] = "nobody";
+static struct passwd *ltpuser;
+
+static void setup0(struct testcase_t *t, int i)
+{
+ t->ns_type = ns_types[i];
+}
+
+static void setup1(struct testcase_t *t, int i)
+{
+ t->ns_type = ns_types[i];
+ t->fd = open("dummy", O_CREAT);
+ if (t->fd == -1)
+ tst_brkm(TFAIL|TERRNO, cleanup, "setup1:open failed");
+ unlink("dummy");
+}
+
+static void cleanup1(struct testcase_t *t)
+{
+ close(t->fd);
+}
+
+static void setup2(struct testcase_t *t, int i)
+{
+ t->fd = ns_fds[i];
+}
+
+static void setup3(struct testcase_t *t, int i)
+{
+ if (ns_total < 2) {
+ t->skip = 1;
+ return;
+ }
+
+ t->fd = ns_fds[i];
+ t->ns_type = ns_types[(i+1) % ns_total];
+}
+
+static void setup4(struct testcase_t *t, int i)
+{
+ if (seteuid(ltpuser->pw_uid) == -1)
+ tst_brkm(TBROK | TERRNO, NULL, "seteuid failed");
+
+ t->fd = ns_fds[i];
+ t->ns_type = ns_types[i];
+}
+
+static void cleanup4(struct testcase_t *t)
+{
+ if (seteuid(0) == -1)
+ tst_brkm(TBROK | TERRNO, NULL, "seteuid restore failed");
+}
+
+static void test_setns(struct testcase_t *t)
+{
+ int ret, i;
+
+ for (i = 0; i < ns_total; i++) {
+ if (t->setup)
+ t->setup(t, i);
+
+ if (t->skip) {
+ tst_resm(TINFO, "skip %s", tdat->msg);
+ continue;
+ }
+
+ tst_resm(TINFO, "setns(%d, 0x%x)", t->fd, t->ns_type);
+ ret = syscall(__NR_setns, t->fd, t->ns_type);
+ if (ret == t->exp_ret) {
+ if (ret == -1 && errno == t->exp_errno)
+ tst_resm(TPASS, "%s exp_errno=%d", t->msg,
+ t->exp_errno);
+ else
+ tst_resm(TFAIL|TERRNO, "%s exp_errno=%d",
+ t->msg, t->exp_errno);
+ } else {
+ tst_resm(TFAIL, "%s ret=%d expected=%d", t->msg,
+ ret, t->exp_ret);
+ }
+
+ if (t->cleanup)
+ t->cleanup(t);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ int lc, testno;
+ char *msg;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ for (testno = 0; testno < TST_TOTAL; testno++)
+ test_setns(&tdat[testno]);
+ }
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ tst_require_root(NULL);
+
+ /* runtime check if syscall is supported */
+ syscall(__NR_setns, -1, 0);
+
+ init_available_ns();
+ if (ns_total == 0)
+ tst_brkm(TCONF, NULL, "no ns types/proc entries");
+
+ ltpuser = getpwnam(nobody_uid);
+ if (ltpuser == NULL)
+ tst_brkm(TBROK | TERRNO, NULL, "getpwnam failed");
+
+
+ tst_tmpdir();
+ TEST_PAUSE;
+}
+
+static void cleanup(void)
+{
+ close_ns_fds();
+ tst_rmdir();
+ TEST_CLEANUP;
+}
+#else
+int main(int argc, char *argv[])
+{
+ tst_brkm(TCONF, NULL, "__NR_setns is not defined on your system.");
+
+}
+#endif
--
1.7.1
------------------------------------------------------------------------------
Free Next-Gen Firewall Hardware Offer
Buy your Sophos next-gen firewall before the end March 2013
and get the hardware for free! Learn more.
http://p.sf.net/sfu/sophos-d2d-feb
_______________________________________________
Ltp-list mailing list
Ltp-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ltp-list
^ permalink raw reply related [flat|nested] 8+ messages in thread* [LTP] [PATCH v2 3/3] setns: add new syscall test setns02
2013-02-06 11:55 [LTP] [PATCH v2 0/3] add new syscall test for setns(2) Jan Stancek
2013-02-06 11:55 ` [LTP] [PATCH v2 1/3] setns: setup directory at kernel/syscalls/setns Jan Stancek
2013-02-06 11:55 ` [LTP] [PATCH v2 2/3] setns: add new syscall test setns01 Jan Stancek
@ 2013-02-06 11:55 ` Jan Stancek
2013-02-12 12:41 ` chrubis
2 siblings, 1 reply; 8+ messages in thread
From: Jan Stancek @ 2013-02-06 11:55 UTC (permalink / raw)
To: ltp-list
functional test for setns(2) - reassociate thread with a namespace
involving CLONE_NEWIPC and CLONE_NEWUTS.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
runtest/syscalls | 1 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/setns/setns02.c | 231 +++++++++++++++++++++++++++++
3 files changed, 233 insertions(+), 0 deletions(-)
create mode 100644 testcases/kernel/syscalls/setns/setns02.c
diff --git a/runtest/syscalls b/runtest/syscalls
index a881479..c70bcbd 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -963,6 +963,7 @@ setitimer02 setitimer02
setitimer03 setitimer03
setns01 setns01
+setns02 setns02
setpgid01 setpgid01
setpgid02 setpgid02
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index d3bf8b7..90b521e 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -764,6 +764,7 @@
/setitimer/setitimer02
/setitimer/setitimer03
/setns/setns01
+/setns/setns02
/setpgid/setpgid01
/setpgid/setpgid02
/setpgid/setpgid03
diff --git a/testcases/kernel/syscalls/setns/setns02.c b/testcases/kernel/syscalls/setns/setns02.c
new file mode 100644
index 0000000..e8173af
--- /dev/null
+++ b/testcases/kernel/syscalls/setns/setns02.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2013 Linux Test Project, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it
+ * is free of the rightful claim of any third person regarding
+ * infringement or the like. Any license provided herein, whether
+ * implied or otherwise, applies only to this software file. Patent
+ * licenses, if any, provided herein do not apply to combinations of
+ * this program with other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * functional test for setns(2) - reassociate thread with a namespace
+ * 1. create child with CLONE_NEWUTS, set different hostname in child,
+ * set namespace back to parent ns and check that hostname has changed
+ * 2. create child with CLONE_NEWIPC, set up shared memory in parent
+ * and verify that child can't shmat it, then set namespace
+ * back to parent one and verify that child is able to do shmat
+ */
+#define _GNU_SOURCE
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/stat.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <sched.h>
+#include <string.h>
+#include "config.h"
+#include "test.h"
+#include "usctest.h"
+#include "linux_syscall_numbers.h"
+#include "safe_macros.h"
+
+#define CHILD_STACK_SIZE (1024*1024)
+#define CP "(child) "
+char *TCID = "setns02";
+
+#if defined(__NR_setns) && defined(CLONE_NEWIPC) && defined(CLONE_NEWUTS)
+#include "setns.h"
+
+static char *dummy_hostname = "setns_dummy_uts";
+static int ns_ipc_fd;
+static int ns_uts_fd;
+static key_t ipc_key;
+static int shmid;
+
+static void setup(void);
+static void cleanup(void);
+
+static int do_child_newuts(void *arg)
+{
+ struct utsname uts, uts_parent;
+ int ns_flag = *(int *)arg;
+
+ if (uname(&uts_parent) == -1)
+ tst_resm(TFAIL|TERRNO, CP"uname");
+ tst_resm(TINFO, CP"hostname (inherited from parent): %s",
+ uts_parent.nodename);
+
+ if (sethostname(dummy_hostname, strlen(dummy_hostname)) == -1)
+ tst_resm(TFAIL|TERRNO, CP"sethostname");
+ if (uname(&uts) == -1)
+ tst_resm(TFAIL|TERRNO, CP"uname");
+
+ tst_resm(TINFO, CP"hostname changed to: %s", uts.nodename);
+ if (strcmp(uts_parent.nodename, uts.nodename) == 0) {
+ tst_resm(TFAIL, CP"expected hostname to be different");
+ return 1;
+ } else {
+ tst_resm(TPASS, CP"hostname is different in parent/child");
+ }
+
+ tst_resm(TINFO, CP"attempting to switch ns back to parent ns");
+ if (syscall(__NR_setns, ns_uts_fd, ns_flag) == -1) {
+ tst_resm(TFAIL|TERRNO, CP"setns");
+ return 2;
+ }
+ if (uname(&uts) == -1)
+ tst_resm(TFAIL|TERRNO, CP"uname");
+
+ tst_resm(TINFO, CP"hostname: %s", uts.nodename);
+ if (strcmp(uts_parent.nodename, uts.nodename) != 0) {
+ tst_resm(TFAIL, CP"expected hostname to match parent");
+ return 3;
+ } else {
+ tst_resm(TPASS, CP"hostname now as expected");
+ }
+ return 0;
+}
+
+static int do_child_newipc(void *arg)
+{
+ void *p;
+ int ns_flag = *(int *)arg;
+
+ p = shmat(shmid, NULL, 0);
+ if (p == (void *) -1) {
+ tst_resm(TPASS|TERRNO, CP"shmat failed as expected");
+ } else {
+ tst_resm(TFAIL, CP"shmat unexpectedly suceeded");
+ shmdt(p);
+ return 1;
+ }
+
+ tst_resm(TINFO, CP"attempting to switch ns back to parent ns");
+ if (syscall(__NR_setns, ns_ipc_fd, ns_flag) == -1) {
+ tst_resm(TFAIL|TERRNO, CP"setns");
+ return 2;
+ }
+
+ p = shmat(shmid, NULL, 0);
+ if (p == (void *) -1) {
+ tst_resm(TFAIL|TERRNO, CP"shmat failed after setns");
+ return 3;
+ } else {
+ tst_resm(TPASS, CP"shmat suceeded");
+ shmdt(p);
+ }
+
+ return 0;
+}
+
+static void test_flag(int clone_flag, int ns_flag, int (*fn) (void *arg))
+{
+ void *child_stack;
+ int ret, status;
+
+ child_stack = malloc(CHILD_STACK_SIZE);
+ if (child_stack == NULL)
+ tst_brkm(TBROK, cleanup, "Cannot allocate stack for child");
+
+ tst_resm(TINFO, "creating child with clone_flag=0x%x, ns_flag=0x%x",
+ clone_flag, ns_flag);
+ ret = ltp_clone(SIGCHLD|clone_flag, fn, &ns_flag,
+ CHILD_STACK_SIZE, child_stack);
+ if (ret == -1)
+ tst_brkm(TBROK|TERRNO, cleanup, "ltp_clone");
+
+ if (waitpid(ret, &status, 0) == -1)
+ tst_brkm(TBROK|TERRNO, cleanup, "waitpid");
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ tst_resm(TFAIL, "child returns %d", status);
+ else
+ tst_resm(TPASS, "child finished succesfully");
+ free(child_stack);
+}
+
+int main(int argc, char *argv[])
+{
+ int lc;
+ char *msg;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ if (ns_uts_fd != -1) {
+ tst_resm(TINFO, "test_newuts");
+ test_flag(CLONE_NEWUTS, CLONE_NEWUTS, do_child_newuts);
+ test_flag(CLONE_NEWUTS, 0, do_child_newuts);
+ }
+ if (ns_ipc_fd != -1) {
+ tst_resm(TINFO, "test_newipc");
+ test_flag(CLONE_NEWIPC, CLONE_NEWIPC, do_child_newipc);
+ test_flag(CLONE_NEWIPC, 0, do_child_newipc);
+ }
+ }
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ char tmp[PATH_MAX];
+
+ tst_require_root(NULL);
+
+ /* runtime check if syscall is supported */
+ syscall(__NR_setns, -1, 0);
+
+ /* check if kernel has CONFIG_*_NS set and exports /proc entries */
+ ns_ipc_fd = get_ns_fd(getpid(), "ns/ipc");
+ ns_uts_fd = get_ns_fd(getpid(), "ns/uts");
+ if (ns_ipc_fd == -1 && ns_uts_fd == -1)
+ tst_brkm(TCONF, NULL, "your kernel has CONFIG_IPC_NS, "
+ "CONFIG_UTS_NS or CONFIG_PROC disabled");
+
+ if (getcwd(tmp, PATH_MAX) == NULL)
+ tst_brkm(TBROK|TERRNO, NULL, "getcwd");
+ ipc_key = ftok(tmp, 65);
+ shmid = shmget(ipc_key, getpagesize(), IPC_CREAT | 0666);
+ if (shmid == -1)
+ tst_brkm(TBROK|TERRNO, NULL, "shmget");
+
+ TEST_PAUSE;
+}
+
+static void cleanup(void)
+{
+ if (ns_ipc_fd != -1)
+ close(ns_ipc_fd);
+ if (ns_uts_fd != -1)
+ close(ns_uts_fd);
+
+ shmctl(shmid, IPC_RMID, NULL);
+ TEST_CLEANUP;
+}
+#else
+int main(int argc, char *argv[])
+{
+ tst_brkm(TCONF, NULL, "__NR_setns, CLONE_NEWIPC or CLONE_NEWUTS "
+ " is not defined on your system.");
+}
+#endif
--
1.7.1
------------------------------------------------------------------------------
Free Next-Gen Firewall Hardware Offer
Buy your Sophos next-gen firewall before the end March 2013
and get the hardware for free! Learn more.
http://p.sf.net/sfu/sophos-d2d-feb
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