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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
93 lines
4.6 KiB
C
93 lines
4.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "net/http/http.h"
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TEST(IsReasonablePath, test) {
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EXPECT_TRUE(IsReasonablePath("/", 1));
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EXPECT_TRUE(IsReasonablePath("index.html", 10));
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EXPECT_TRUE(IsReasonablePath("/index.html", 11));
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EXPECT_TRUE(IsReasonablePath("/index.html", -1));
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EXPECT_TRUE(IsReasonablePath("/redbean.png", -1));
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EXPECT_TRUE(IsReasonablePath("/.ca.key", -1));
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EXPECT_TRUE(IsReasonablePath(".ca.key", -1));
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}
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TEST(IsReasonablePath, testEmptyString_allowedIfYouLikeImplicitLeadingSlash) {
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EXPECT_TRUE(IsReasonablePath(0, 0));
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EXPECT_TRUE(IsReasonablePath(0, -1));
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EXPECT_TRUE(IsReasonablePath("", 0));
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}
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TEST(IsReasonablePath, testHiddenFiles_areAllowed) {
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EXPECT_TRUE(IsReasonablePath("/.index.html", 12));
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EXPECT_TRUE(IsReasonablePath("/x/.index.html", 14));
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}
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TEST(IsReasonablePath, testDoubleSlash_isAllowed) {
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EXPECT_TRUE(IsReasonablePath("//", 2));
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EXPECT_TRUE(IsReasonablePath("foo//", 5));
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EXPECT_TRUE(IsReasonablePath("/foo//", 6));
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EXPECT_TRUE(IsReasonablePath("/foo//bar", 9));
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}
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TEST(IsReasonablePath, testNoncanonicalDirectories_areForbidden) {
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EXPECT_FALSE(IsReasonablePath(".", 1));
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EXPECT_FALSE(IsReasonablePath("..", 2));
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EXPECT_FALSE(IsReasonablePath("/.", 2));
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EXPECT_FALSE(IsReasonablePath("/..", 3));
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EXPECT_FALSE(IsReasonablePath("./", 2));
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EXPECT_FALSE(IsReasonablePath("../", 3));
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EXPECT_FALSE(IsReasonablePath("/./", 3));
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EXPECT_FALSE(IsReasonablePath("/../", 4));
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EXPECT_FALSE(IsReasonablePath("x/.", 3));
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EXPECT_FALSE(IsReasonablePath("x/..", 4));
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EXPECT_FALSE(IsReasonablePath("x/./", 4));
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EXPECT_FALSE(IsReasonablePath("x/../", 5));
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EXPECT_FALSE(IsReasonablePath("/x/./", 5));
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EXPECT_FALSE(IsReasonablePath("/x/../", 6));
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}
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TEST(IsReasonablePath, testNoncanonicalWindowsDirs_areForbidden) {
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EXPECT_FALSE(IsReasonablePath(".", 1));
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EXPECT_FALSE(IsReasonablePath("..", 2));
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EXPECT_FALSE(IsReasonablePath("\\.", 2));
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EXPECT_FALSE(IsReasonablePath("\\..", 3));
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EXPECT_FALSE(IsReasonablePath(".\\", 2));
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EXPECT_FALSE(IsReasonablePath("..\\", 3));
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EXPECT_FALSE(IsReasonablePath("\\.\\", 3));
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EXPECT_FALSE(IsReasonablePath("\\..\\", 4));
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EXPECT_FALSE(IsReasonablePath("x\\.", 3));
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EXPECT_FALSE(IsReasonablePath("x\\..", 4));
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EXPECT_FALSE(IsReasonablePath("x\\.\\", 4));
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EXPECT_FALSE(IsReasonablePath("x\\..\\", 5));
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EXPECT_FALSE(IsReasonablePath("\\x\\.\\", 5));
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EXPECT_FALSE(IsReasonablePath("\\x\\..\\", 6));
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}
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TEST(IsReasonablePath, testOverlongSlashDot_isDetected) {
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EXPECT_FALSE(IsReasonablePath("/\300\256", 3)); /* /. */
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EXPECT_TRUE(IsReasonablePath("/\300\257", 3)); /* // */
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EXPECT_FALSE(IsReasonablePath("\300\256\300\256", 4)); /* .. */
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}
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BENCH(IsReasonablePath, bench) {
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EZBENCH2("IsReasonablePath", donothing, IsReasonablePath("/index.html", 11));
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}
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