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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/' ```
79 lines
4.1 KiB
C
79 lines
4.1 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 2020 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/dns/dns.h"
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#include "libc/dns/hoststxt.h"
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#include "libc/mem/mem.h"
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#include "libc/sock/sock.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/testlib/testlib.h"
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static const char *EzIp4Lookup(const struct HostsTxt *ht, const char *name) {
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struct sockaddr_in addr4;
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if (ResolveHostsTxt(ht, AF_INET, name, (void *)&addr4,
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sizeof(struct sockaddr_in), NULL) > 0) {
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static char g_ipbuf[16];
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return inet_ntop(AF_INET, &addr4.sin_addr, g_ipbuf, sizeof(g_ipbuf));
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} else {
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return NULL;
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}
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}
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static const char *EzCanonicalize(const struct HostsTxt *ht, const char *name) {
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const char *res;
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return ResolveHostsTxt(ht, AF_INET, name, NULL, 0, &res) > 0 ? res : NULL;
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}
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static const char kInput[] = "127.0.0.1 localhost\n"
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"203.0.113.1 lol.example. lol\n"
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"203.0.113.2 cat.example. cat\n";
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TEST(ResolveHostsTxt, testBasicLookups) {
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struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
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FILE *f = fmemopen((void *)kInput, strlen(kInput), "r+");
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ASSERT_EQ(0, ParseHostsTxt(ht, f));
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ASSERT_EQ(5, ht->entries.i);
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EXPECT_STREQ("127.0.0.1", EzIp4Lookup(ht, "localhost"));
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EXPECT_STREQ("203.0.113.1", EzIp4Lookup(ht, "lol"));
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EXPECT_STREQ("203.0.113.1", EzIp4Lookup(ht, "lol.example"));
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EXPECT_STREQ("203.0.113.1", EzIp4Lookup(ht, "lol.example."));
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EXPECT_STREQ("203.0.113.2", EzIp4Lookup(ht, "cat"));
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EXPECT_STREQ("203.0.113.2", EzIp4Lookup(ht, "cat.example."));
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EXPECT_EQ(NULL, EzIp4Lookup(ht, "boop"));
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FreeHostsTxt(&ht);
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fclose(f);
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}
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TEST(ResolveHostsTxt, testCanonicalize) {
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struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
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FILE *f = fmemopen((void *)kInput, strlen(kInput), "r+");
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ASSERT_EQ(0, ParseHostsTxt(ht, f));
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ASSERT_EQ(5, ht->entries.i);
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EXPECT_STREQ("localhost", EzCanonicalize(ht, "localhost"));
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EXPECT_STREQ("lol.example.", EzCanonicalize(ht, "lol"));
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EXPECT_STREQ("lol.example.", EzCanonicalize(ht, "lol.example"));
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EXPECT_STREQ("lol.example.", EzCanonicalize(ht, "lol.example."));
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EXPECT_STREQ("cat.example.", EzCanonicalize(ht, "cat"));
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EXPECT_STREQ("cat.example.", EzCanonicalize(ht, "cat.example."));
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EXPECT_EQ(NULL, EzCanonicalize(ht, "boop"));
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FreeHostsTxt(&ht);
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fclose(f);
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}
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