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Transcode ISO-8859-1 in HTTP headers

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If we keep making changes like this, redbean might not be a toy anymore.
Additional steps are also being taken now to prevent ANSI control codes
sent by the client from slipping into logs.
This commit is contained in:
Justine Tunney 2021-03-28 00:10:17 -07:00
parent dcbd2b8668
commit a1677d605a
14 changed files with 675 additions and 161 deletions
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82
test/net/http/encodehttpheadervalue_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2021 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/errno.h"
#include "libc/mem/mem.h"
#include "libc/runtime/gc.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "net/http/http.h"
char *p;
size_t n;
TEST(EncodeHttpHeaderValue, emptyStrings_arePermitted) {
EXPECT_STREQ("", gc(EncodeHttpHeaderValue(NULL, 0, 0)));
EXPECT_STREQ("", gc(EncodeHttpHeaderValue("", 0, 0)));
EXPECT_STREQ("", gc(EncodeHttpHeaderValue(" ", 1, 0)));
}
TEST(EncodeHttpHeaderValue, testPadded_trimsWhitespace) {
EXPECT_STREQ("hello \tthere",
gc(EncodeHttpHeaderValue(" \thello \tthere\t ", -1, 0)));
}
TEST(EncodeHttpHeaderValue, testUtf8_isConvertedToLatin1) {
EXPECT_STREQ("\241\377\300", gc(EncodeHttpHeaderValue("¡ÿÀ", -1, 0)));
}
TEST(EncodeHttpHeaderValue, testUtf8_nonLatin1ResultsInError) {
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("☻", -1, 0)));
EXPECT_EQ(EILSEQ, errno);
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("𐌰", -1, 0)));
EXPECT_EQ(EILSEQ, errno);
}
TEST(EncodeHttpHeaderValue, testLatin1_willJustWorkIfYoureLucky) {
EXPECT_STREQ("\241\377\300",
gc(EncodeHttpHeaderValue("\241\377\300", -1, &n)));
EXPECT_EQ(3, n);
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\377\241\300", -1, 0)));
}
TEST(EncodeHttpHeaderValue, testC0_isForbiddenExceptHorizontalTab) {
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\0", 1, 0)));
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\r", 1, 0)));
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\n", 1, 0)));
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\v", 1, 0)));
EXPECT_STREQ("", gc(EncodeHttpHeaderValue("\t", 1, 0)));
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\177", 1, 0)));
}
TEST(EncodeHttpHeaderValue, testC1_isForbidden) {
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\205", 1, 0)));
EXPECT_EQ(NULL, gc(EncodeHttpHeaderValue("\302\205", 2, 0)));
}
BENCH(EncodeHttpHeaderValue, bench) {
n = 22851;
p = gc(malloc(n));
memset(p, 'a', n);
EZBENCH2("EncodeHttpHeaderValue ascii", donothing,
free(EncodeHttpHeaderValue(p, n, 0)));
memset(p, '\300', n);
EZBENCH2("EncodeHttpHeaderValue latin1", donothing,
free(EncodeHttpHeaderValue(p, n, 0)));
}