mirror of
https://github.com/jart/cosmopolitan.git
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3e4fd4b0ad
This change also pays off some of the remaining technical debt with stdio, file descriptors, and memory managemnt polyfills.
81 lines
4.2 KiB
C
81 lines
4.2 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net 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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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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(kInput, strlen(kInput), "r+");
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ASSERT_EQ(0, parsehoststxt(ht, f));
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sorthoststxt(ht);
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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(kInput, strlen(kInput), "r+");
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ASSERT_EQ(0, parsehoststxt(ht, f));
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sorthoststxt(ht);
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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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