It's kind of redundant with test 01 since there is no hierarchical relationship between ipc namespaces - they are all completely isolated. But heck it can't hurt.
Signed-off-by: Nadia Derbey <[email protected]> Signed-off-by: Serge Hallyn <[email protected]> --- testcases/kernel/containers/mqns/mqns_02.c | 138 +++++++++++++++++++++++ testcases/kernel/containers/mqns/runmqnstest.sh | 2 +- 2 files changed, 139 insertions(+), 1 deletions(-) create mode 100644 testcases/kernel/containers/mqns/mqns_02.c mode change 100644 => 100755 testcases/kernel/containers/mqns/runmqnstest.sh diff --git a/testcases/kernel/containers/mqns/mqns_02.c b/testcases/kernel/containers/mqns/mqns_02.c new file mode 100644 index 0000000..be1cd0b --- /dev/null +++ b/testcases/kernel/containers/mqns/mqns_02.c @@ -0,0 +1,138 @@ +/* +* Copyright (c) International Business Machines Corp., 2007 +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See +* the GNU General Public License for more details. +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +* +* Author: Nadia Derbey <[email protected]> +* +* Check mqns isolation: child mqns cannot be accessed from father +* +* Mount mqueue fs +* unshare +* In unshared process: +* Mount newinstance mqueuefs +* Create a posix mq -->mq1 +* Check that mq1 is not readable from father +* +* Changelog: +* Dec 16: accomodate new mqns semantics (Serge Hallyn) + +***************************************************************************/ + +#define _GNU_SOURCE 1 +#include <sys/wait.h> +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include "mqns.h" + +char *TCID = "posixmq_namespace_02"; +int TST_TOTAL=1; + +int p1[2]; +int p2[2]; + +int check_mqueue(void *vtest) +{ + char buf[30]; + mqd_t mqd; + + close(p1[1]); + close(p2[0]); + + read(p1[0], buf, 3); + + mqd = mq_open(SLASH_MQ1, O_RDWR|O_CREAT|O_EXCL, 0777, NULL); + if (mqd == -1) { + write(p2[1], "mqfail", 7); + tst_exit(3); + } + + write(p2[1], "mqopen", 7); + + read(p1[0], buf, 5); + + /* destroy the mqueue */ + mq_close(mqd); + mq_unlink(SLASH_MQ1); + + write(p2[1], "done", 5); + + tst_exit(0); + + /* NOT REACHED */ + return 0; +} + + +int main(int argc, char *argv[]) +{ + int r; + mqd_t mqd; + char buf[30]; + int use_clone = T_UNSHARE; + + if (argc == 2 && strcmp(argv[1], "-clone") == 0) { + tst_resm(TINFO, "Testing posix mq namespaces through clone(2).\n"); + use_clone = T_CLONE; + } else + tst_resm(TINFO, "Testing posix mq namespaces through unshare(2).\n"); + + if (pipe(p1) == -1) { perror("pipe"); exit(EXIT_FAILURE); } + if (pipe(p2) == -1) { perror("pipe"); exit(EXIT_FAILURE); } + + /* fire off the test */ + r = do_clone_unshare_test(use_clone, CLONE_NEWIPC, check_mqueue, NULL); + if (r < 0) { + tst_resm(TFAIL, "failed clone/unshare\n"); + tst_exit(1); + } + + tst_resm(TINFO, "Checking namespaces isolation (child to parent)\n"); + + close(p1[0]); + close(p2[1]); + write(p1[1], "go", 3); + + read(p2[0], buf, 7); + if (!strcmp(buf, "mqfail")) { + tst_resm(TFAIL, "child process could not create mqueue\n"); + umount(DEV_MQUEUE); + tst_exit(TFAIL); + } else if (strcmp(buf, "mqopen")) { + tst_resm(TFAIL, "child process could not create mqueue\n"); + umount(DEV_MQUEUE); + tst_exit(TFAIL); + } + + mqd = mq_open(SLASH_MQ1, O_RDONLY); + if (mqd == -1) { + r = TPASS; + tst_resm(TPASS, "Father process doesn't see mqueue\n"); + } else { + r = TFAIL; + tst_resm(TFAIL, "Father process found mqueue\n"); + mq_close(mqd); + } + + write(p1[1], "cont", 5); + read(p2[0], buf, 7); + + tst_exit(r); + + /* NOT REACHED */ + return 0; +} diff --git a/testcases/kernel/containers/mqns/runmqnstest.sh b/testcases/kernel/containers/mqns/runmqnstest.sh old mode 100644 new mode 100755 index 87c712e..a5bbd24 --- a/testcases/kernel/containers/mqns/runmqnstest.sh +++ b/testcases/kernel/containers/mqns/runmqnstest.sh @@ -20,7 +20,7 @@ ################################################################################ exit_code=0 -tests_list='mqns_01' +tests_list='mqns_01 mqns_02' for t in $tests_list do -- 1.5.6.3 ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
