From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Xu Date: Sun, 19 Jan 2020 15:49:57 +0800 Subject: [LTP] [PATCH 1/2] syscalls/add_key05: add new test for the length of payload Message-ID: <1579420198-29651-1-git-send-email-xuyang2018.jy@cn.fujitsu.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Seeing add_key manpages, the lenth of payload for "user"/"logon" is 32767, this value is up tp 1M for "big_key". For "keyring" type , this value is zero. Signed-off-by: Yang Xu --- runtest/syscalls | 1 + testcases/kernel/syscalls/add_key/.gitignore | 1 + testcases/kernel/syscalls/add_key/add_key05.c | 99 +++++++++++++++++++ 3 files changed, 101 insertions(+) create mode 100644 testcases/kernel/syscalls/add_key/add_key05.c diff --git a/runtest/syscalls b/runtest/syscalls index f58fefe17..830dfc8b7 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -18,6 +18,7 @@ add_key01 add_key01 add_key02 add_key02 add_key03 add_key03 add_key04 add_key04 +add_key05 add_key05 adjtimex01 adjtimex01 adjtimex02 adjtimex02 diff --git a/testcases/kernel/syscalls/add_key/.gitignore b/testcases/kernel/syscalls/add_key/.gitignore index b9a04214d..f57dc2228 100644 --- a/testcases/kernel/syscalls/add_key/.gitignore +++ b/testcases/kernel/syscalls/add_key/.gitignore @@ -2,3 +2,4 @@ /add_key02 /add_key03 /add_key04 +/add_key05 diff --git a/testcases/kernel/syscalls/add_key/add_key05.c b/testcases/kernel/syscalls/add_key/add_key05.c new file mode 100644 index 000000000..a6d4c1a02 --- /dev/null +++ b/testcases/kernel/syscalls/add_key/add_key05.c @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 FUJITSU LIMITED. All rights reserved. + * Author: Yang Xu + * + * This case test various key type can support how many long + * bytes payload. + * keyring: 0 bytes + * user/logon: 32767 bytes + * big_key: 1M -1byte + */ + +#include +#include "tst_test.h" +#include "lapi/keyctl.h" + +struct tcase { + const char *type; + const char *desc; + size_t plen; + int pass_flag; + char *message; +} tcases[] = { + {"keyring", "abc", 0, 1, + "The key type is keyrings and plen is 0"}, + + {"keyring", "bcd", 1, 0, + "the key type is keyrings and plen is 1"}, + + {"user", "cde", 32767, 1, + "The key type is user and plen is 32767"}, + + {"user", "def", 32768, 0, + "The key type is user and plen is 32768"}, + + {"logon", "ef:g", 32767, 1, + "The key type is logon and plen is 32767"}, + + {"logon", "fg:h", 32768, 0, + "The key type is logon and plen is 32768"}, + + {"big_key", "ghi", (1 << 20) - 1, 1, + "The key type is big_key and plen is 1048575"}, + + {"big_key", "hij", 1 << 20, 0, + "The key type is big_key and plen is 1048576"}, +}; + +static char *buf; +static unsigned int logon_nsup, big_key_nsup; + +static void verify_add_key(unsigned int n) +{ + struct tcase *tc = &tcases[n]; + + tst_res(TINFO, "%s", tc->message); + + if (!strcmp(tc->type, "logon") && logon_nsup) { + tst_res(TINFO, + "current system doesn't support logon key type, skip it"); + return; + } + if (!strcmp(tc->type, "big_key") && big_key_nsup) { + tst_res(TINFO, + "current system doesn't support big_key key type, skip it"); + return; + } + + TEST(add_key(tc->type, tc->desc, buf, tc->plen, KEY_SPEC_THREAD_KEYRING)); + if (TST_RET == -1) { + if (TST_ERR == EINVAL) + tst_res(tc->pass_flag ? TFAIL : TPASS, "add_key call failed as expected"); + else + tst_res(TFAIL | TTERRNO, "add_key call failed expected EINVAL but got"); + return; + } + tst_res(tc->pass_flag ? TPASS : TFAIL, "add_key call succeeded"); +} + +static void setup(void) +{ + TEST(add_key("logon", "test:sup_logon", buf, 64, KEY_SPEC_THREAD_KEYRING)); + if (TST_RET == -1) + logon_nsup = 1; + + TEST(add_key("big_key", "sup_big_key", buf, 64, KEY_SPEC_THREAD_KEYRING)); + if (TST_RET == -1) + big_key_nsup = 1; +} + +static struct tst_test test = { + .setup = setup, + .tcnt = ARRAY_SIZE(tcases), + .test = verify_add_key, + .bufs = (struct tst_buffers []) { + {&buf, .size = 1 << 20}, + {} + } +}; -- 2.18.0