tests: rewrite getdents test in C for better coverage
* tests/getdents.awk: Remove. * tests/getdents.out: Remove. * tests/getdents.c: New file. * tests/getdents.test: Rewrite. * tests/getdents64.c: New file. * tests/getdents64.test: New test. * tests/Makefile.am (check_PROGRAMS): Add getdents and getdents64. (TESTS): Add getdents64.test. (EXTRA_DIST): Remove getdents.awk and getdents.out. * tests/.gitignore: Add getdents and getdents64.
This commit is contained in:
parent
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2
tests/.gitignore
vendored
2
tests/.gitignore
vendored
@ -10,6 +10,8 @@ execve
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execveat
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fanotify_mark
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filter-unavailable
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getdents
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getdents64
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getrandom
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inet-accept-connect-send-recv
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ioctl
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@ -23,6 +23,8 @@ check_PROGRAMS = \
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execveat \
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fanotify_mark \
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filter-unavailable \
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getdents \
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getdents64 \
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getrandom \
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inet-accept-connect-send-recv \
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ioctl \
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@ -121,6 +123,7 @@ TESTS = \
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fanotify_mark.test \
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filter-unavailable.test \
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getdents.test \
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getdents64.test \
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getrandom.test \
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ioctl.test \
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ip_mreq.test \
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@ -208,8 +211,6 @@ EXTRA_DIST = init.sh run.sh match.awk \
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execveat-v.expected \
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fanotify_mark.expected \
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filter-unavailable.expected \
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getdents.awk \
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getdents.out \
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ip_mreq.expected \
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ipc.sh \
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ipc_msgbuf.expected \
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@ -1,51 +0,0 @@
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BEGIN {
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i = "[0-9]+"
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len = "[1-9]" i
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d_ino = "d_ino=" i
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d_off = "d_off=" i
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d_reclen = "d_reclen=" len
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d_name_1 = "d_name=\"\\.\""
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d_name_2 = "d_name=\"\\.\\.\""
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d_name_3 = "d_name=\"(A\\\\n){127}Z\""
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# Some older systems might not pass back d_type at all like Alpha.
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d_type_dir = "d_type=DT_(DIR|UNKNOWN)"
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d_type_reg = "d_type=DT_(REG|UNKNOWN)"
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dirent_1 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_name_1 ", " d_type_dir "\\}"
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dirent_2 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_name_2 ", " d_type_dir "\\}"
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dirent_3 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_name_3 ", " d_type_reg "\\}"
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dirent64_1 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_type_dir ", " d_name_1 "\\}"
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dirent64_2 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_type_dir ", " d_name_2 "\\}"
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dirent64_3 = "\\{" d_ino ", " d_off ", " d_reclen ", " d_type_reg ", " d_name_3 "\\}"
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d_123 = dirent_1 ", " dirent_2 ", " dirent_3
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d_213 = dirent_2 ", " dirent_1 ", " dirent_3
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d_132 = dirent_1 ", " dirent_3 ", " dirent_2
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d_321 = dirent_3 ", " dirent_2 ", " dirent_1
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d_231 = dirent_2 ", " dirent_3 ", " dirent_1
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d_312 = dirent_3 ", " dirent_1 ", " dirent_2
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d64_123 = dirent64_1 ", " dirent64_2 ", " dirent64_3
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d64_213 = dirent64_2 ", " dirent64_1 ", " dirent64_3
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d64_132 = dirent64_1 ", " dirent64_3 ", " dirent64_2
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d64_321 = dirent64_3 ", " dirent64_2 ", " dirent64_1
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d64_231 = dirent64_2 ", " dirent64_3 ", " dirent64_1
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d64_312 = dirent64_3 ", " dirent64_1 ", " dirent64_2
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dents = "\\[(" d_123 "|" d_213 "|" d_132 "|" d_321 "|" d_231 "|" d_312 ")\\]"
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dents64 = "\\[(" d64_123 "|" d64_213 "|" d64_132 "|" d64_321 "|" d64_231 "|" d64_312 ")\\]"
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getdents = "getdents\\(" i ", " dents ", " len "\\)"
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getdents64 = "getdents64\\(" i ", " dents64 ", " len "\\)"
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r[1] = "^(" getdents "|" getdents64 ") += " len "$"
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r[2] = "^getdents(64)?\\([0-9]+, \\[\\], [1-9][0-9]+\\) += 0$"
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s[3] = "+++ exited with 0 +++"
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lines = 3
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fail = 0
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}
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@include "match.awk"
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149
tests/getdents.c
Normal file
149
tests/getdents.c
Normal file
@ -0,0 +1,149 @@
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/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <sys/syscall.h>
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#ifdef __NR_getdents
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#include <assert.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static const char fname[] =
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ";
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static const char qname[] =
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nZ";
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typedef struct {
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unsigned long d_ino;
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unsigned long d_off;
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unsigned short d_reclen;
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char d_name[256];
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} kernel_dirent;
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static char buf[8192];
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static const char *
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str_d_type(const unsigned char d_type)
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{
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switch (d_type) {
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case DT_DIR:
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return "DT_DIR";
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case DT_REG:
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return "DT_REG";
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default:
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return "DT_UNKNOWN";
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}
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}
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static void
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print_dirent(const kernel_dirent *d)
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{
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const unsigned int d_name_offset = offsetof(kernel_dirent, d_name);
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int d_name_len = d->d_reclen - d_name_offset - 1;
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assert(d_name_len > 0);
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printf("{d_ino=%lu, d_off=%lu, d_reclen=%u, d_name=",
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d->d_ino, d->d_off, d->d_reclen);
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if (d->d_name[0] == '.')
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printf("\"%.*s\"", d_name_len, d->d_name);
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else
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printf("\"%s\"", qname);
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printf(", d_type=%s}",
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str_d_type(*((const char *) d + d->d_reclen - 1)));
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}
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int
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main(int ac, const char **av)
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{
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char *dname;
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int rc;
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assert(ac == 1);
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assert(asprintf(&dname, "%s.test.tmp.dir", av[0]) > 0);
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assert(!mkdir(dname, 0700));
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assert(!chdir(dname));
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(void) close(0);
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assert(!creat(fname, 0600));
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assert(!close(0));
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assert(!open(".", O_RDONLY | O_DIRECTORY));
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while ((rc = syscall(__NR_getdents, 0, buf, sizeof(buf)))) {
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kernel_dirent *d;
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int i;
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if (rc < 0)
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return 77;
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printf("getdents(0, [");
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for (i = 0; i < rc; i += d->d_reclen) {
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d = (kernel_dirent *) &buf[i];
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if (i)
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printf(", ");
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print_dirent(d);
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}
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printf("], %zu) = %d\n", sizeof(buf), rc);
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}
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printf("getdents(0, [], %zu) = 0\n", sizeof(buf));
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puts("+++ exited with 0 +++");
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assert(!unlink(fname));
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assert(!chdir(".."));
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assert(!rmdir(dname));
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return 0;
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}
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#else
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int
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main(void)
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{
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return 77;
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}
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#endif
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@ -1,3 +0,0 @@
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getdents(3, [{d_ino=123456789, d_off=1, d_reclen=24, d_name=".", d_type=DT_DIR}, {d_ino=234567890, d_off=2, d_reclen=24, d_name="..", d_type=DT_DIR}, {d_ino=345678901, d_off=3, d_reclen=280, d_name="A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ", d_type=DT_REG}], 4096) = 328
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getdents(3, [], 4096) = 0
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+++ exited with 0 +++
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@ -1,33 +1,16 @@
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#!/bin/sh
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# Check that getdents/getdents64 syscalls are traced properly.
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# Check getdents syscall decoding.
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. "${srcdir=.}/init.sh"
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check_prog gawk
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AWKPATH="$srcdir" gawk -f "$srcdir"/getdents.awk "$srcdir"/getdents.out ||
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framework_skip_ 'gawk does not work properly'
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rm -rf -- "$LOG".dir
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run_prog > /dev/null
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check_prog ls
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check_prog mkdir
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check_prog rm
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check_prog seq
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check_prog touch
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OUT="$LOG.out"
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run_strace -a22 -vegetdents $args > "$OUT"
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dir="$LOG.dir"
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rm -rf -- "$dir"
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mkdir -- "$dir" ||
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framework_skip_ 'failed to create a directory'
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touch -- "$dir/$(for i in $(seq 1 127); do echo A; done; echo Z)" ||
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framework_skip_ 'failed to create a file'
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ls -- "$dir" > /dev/null ||
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framework_skip_ 'failed to list a directory'
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run_strace -vegetdents,getdents64 ls -- "$dir" > /dev/null
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match_awk
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rm -rf -- "$dir"
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match_diff "$OUT" "$LOG"
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rm -f "$OUT"
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exit 0
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149
tests/getdents64.c
Normal file
149
tests/getdents64.c
Normal file
@ -0,0 +1,149 @@
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/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
|
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* All rights reserved.
|
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*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
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|
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <sys/syscall.h>
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#ifdef __NR_getdents64
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#include <assert.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/stat.h>
|
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#include <unistd.h>
|
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|
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static const char fname[] =
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
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"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ";
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static const char qname[] =
|
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
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"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
||||
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
||||
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
||||
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nZ";
|
||||
|
||||
typedef struct {
|
||||
uint64_t d_ino;
|
||||
uint64_t d_off;
|
||||
unsigned short d_reclen;
|
||||
unsigned char d_type;
|
||||
char d_name[256];
|
||||
} kernel_dirent64;
|
||||
|
||||
static char buf[8192];
|
||||
|
||||
static const char *
|
||||
str_d_type(const unsigned char d_type)
|
||||
{
|
||||
switch (d_type) {
|
||||
case DT_DIR:
|
||||
return "DT_DIR";
|
||||
case DT_REG:
|
||||
return "DT_REG";
|
||||
default:
|
||||
return "DT_UNKNOWN";
|
||||
}
|
||||
}
|
||||
static void
|
||||
print_dirent(const kernel_dirent64 *d)
|
||||
{
|
||||
const unsigned int d_name_offset = offsetof(kernel_dirent64, d_name);
|
||||
int d_name_len = d->d_reclen - d_name_offset;
|
||||
assert(d_name_len > 0);
|
||||
|
||||
printf("{d_ino=%" PRIu64 ", d_off=%" PRId64
|
||||
", d_reclen=%u, d_type=%s, d_name=",
|
||||
d->d_ino, d->d_off, d->d_reclen, str_d_type(d->d_type));
|
||||
|
||||
if (d->d_name[0] == '.')
|
||||
printf("\"%.*s\"}", d_name_len, d->d_name);
|
||||
else
|
||||
printf("\"%s\"}", qname);
|
||||
}
|
||||
|
||||
int
|
||||
main(int ac, const char **av)
|
||||
{
|
||||
char *dname;
|
||||
int rc;
|
||||
|
||||
assert(ac == 1);
|
||||
assert(asprintf(&dname, "%s.test.tmp.dir", av[0]) > 0);
|
||||
assert(!mkdir(dname, 0700));
|
||||
assert(!chdir(dname));
|
||||
(void) close(0);
|
||||
assert(!creat(fname, 0600));
|
||||
assert(!close(0));
|
||||
assert(!open(".", O_RDONLY | O_DIRECTORY));
|
||||
while ((rc = syscall(__NR_getdents64, 0, buf, sizeof(buf)))) {
|
||||
kernel_dirent64 *d;
|
||||
int i;
|
||||
|
||||
if (rc < 0)
|
||||
return 77;
|
||||
printf("getdents64(0, [");
|
||||
for (i = 0; i < rc; i += d->d_reclen) {
|
||||
d = (kernel_dirent64 *) &buf[i];
|
||||
if (i)
|
||||
printf(", ");
|
||||
print_dirent(d);
|
||||
}
|
||||
printf("], %zu) = %d\n", sizeof(buf), rc);
|
||||
}
|
||||
printf("getdents64(0, [], %zu) = 0\n", sizeof(buf));
|
||||
puts("+++ exited with 0 +++");
|
||||
assert(!unlink(fname));
|
||||
assert(!chdir(".."));
|
||||
assert(!rmdir(dname));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
int
|
||||
main(void)
|
||||
{
|
||||
return 77;
|
||||
}
|
||||
|
||||
#endif
|
||||
16
tests/getdents64.test
Executable file
16
tests/getdents64.test
Executable file
@ -0,0 +1,16 @@
|
||||
#!/bin/sh
|
||||
|
||||
# Check getdents64 syscall decoding.
|
||||
|
||||
. "${srcdir=.}/init.sh"
|
||||
|
||||
rm -rf -- "$LOG".dir
|
||||
run_prog > /dev/null
|
||||
|
||||
OUT="$LOG.out"
|
||||
run_strace -a24 -vegetdents64 $args > "$OUT"
|
||||
|
||||
match_diff "$OUT" "$LOG"
|
||||
rm -f "$OUT"
|
||||
|
||||
exit 0
|
||||
Loading…
x
Reference in New Issue
Block a user