mirror of
https://github.com/yarrick/iodine.git
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263 lines
6.5 KiB
C
263 lines
6.5 KiB
C
/*
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* Copyright (c) 2006 Bjorn Andersson <flex@kryo.se>, Erik Ekman <yarrick@kryo.se>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* 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 WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/stat.h>
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#include <arpa/nameser.h>
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#ifdef DARWIN
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#include <arpa/nameser8_compat.h>
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#endif
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include "structs.h"
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#include "encoding.h"
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#include "dns.h"
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#include "read.h"
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static void
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test_readputshort()
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{
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short tshort;
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short putted;
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short temps;
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char buf[4];
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short *s;
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char* p;
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int i;
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printf(" * Testing read/putshort... ");
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fflush(stdout);
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for (i = 0; i < 65536; i++) {
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tshort = (unsigned short) i;
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temps = htons(tshort);
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p = buf;
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putshort(&p, tshort);
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s = &putted;
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memcpy(s, buf, sizeof(short));
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if (putted != temps) {
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printf("Bad value on putshort for %d\n", i);
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exit(1);
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}
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s = &temps;
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memcpy(buf, s, sizeof(short));
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p = buf;
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readshort(NULL, &p, &temps);
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if (temps != tshort) {
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printf("Bad value on readshort for %d\n", i);
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exit(1);
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}
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}
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printf("OK\n");
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}
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static void
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test_readputlong()
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{
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char buf[4];
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uint32_t putint;
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uint32_t tempi;
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uint32_t tint;
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uint32_t *l;
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char* p;
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int i;
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printf(" * Testing read/putlong... ");
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fflush(stdout);
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for (i = 0; i < 32; i++) {
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tint = 0xF << i;
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tempi = htonl(tint);
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p = buf;
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putlong(&p, tint);
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l = &putint;
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memcpy(l, buf, sizeof(uint32_t));
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if (putint != tempi) {
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printf("Bad value on putlong for %d\n", i);
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exit(2);
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}
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l = &tempi;
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memcpy(buf, l, sizeof(uint32_t));
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p = buf;
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readlong(NULL, &p, &tempi);
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if (tempi != tint) {
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printf("Bad value on readlong for %d\n", i);
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exit(2);
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}
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}
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printf("OK\n");
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}
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static void
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test_readname()
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{
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char emptyloop[] = {
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'A', 'A', 0x81, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01 };
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char infloop[] = {
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'A', 'A', 0x81, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 'A', 0xc0, 0x0c, 0x00, 0x01, 0x00, 0x01 };
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char longname[] =
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"AA\x81\x80\x00\x01\x00\x00\x00\x00\x00\x00"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x3FzBCDEFGHIJKLMNOPQURSTUVXYZ0123456789abcdefghijklmnopqrstuvxyzAA"
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"\x00\x00\x01\x00\x01";
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char onejump[] =
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"AA\x81\x80\x00\x01\x00\x00\x00\x00\x00\x00"
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"\x02hh\xc0\x15\x00\x01\x00\x01\x05zBCDE\x00";
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char badjump[] = {
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'A', 'A', 0x81, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xfe, 0xcc, 0x00, 0x01, 0x00, 0x01 };
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char badjump2[] = {
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'A', 'A', 0x81, 0x80, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x02, 'B', 'A', 0xfe, 0xcc, 0x00, 0x01, 0x00, 0x01 };
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char *jumper;
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char buf[1024];
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char *data;
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int rv;
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printf(" * Testing readname... ");
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fflush(stdout);
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memset(buf, 0, sizeof(buf));
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data = emptyloop + sizeof(HEADER);
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buf[1023] = 'A';
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rv = readname(emptyloop, sizeof(emptyloop), &data, buf, 1023);
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assert(buf[1023] == 'A');
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memset(buf, 0, sizeof(buf));
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data = infloop + sizeof(HEADER);
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buf[4] = '\a';
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rv = readname(infloop, sizeof(infloop), &data, buf, 4);
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assert(buf[4] == '\a');
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memset(buf, 0, sizeof(buf));
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data = longname + sizeof(HEADER);
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buf[256] = '\a';
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rv = readname(longname, sizeof(longname), &data, buf, 256);
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assert(buf[256] == '\a');
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memset(buf, 0, sizeof(buf));
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data = onejump + sizeof(HEADER);
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rv = readname(onejump, sizeof(onejump), &data, buf, 256);
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assert(rv == 9);
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// These two tests use malloc to cause segfault if jump is executed
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memset(buf, 0, sizeof(buf));
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jumper = malloc(sizeof(badjump));
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if (jumper) {
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memcpy(jumper, badjump, sizeof(badjump));
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data = jumper + sizeof(HEADER);
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rv = readname(jumper, sizeof(badjump), &data, buf, 256);
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assert(rv == 0);
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}
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free(jumper);
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memset(buf, 0, sizeof(buf));
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jumper = malloc(sizeof(badjump2));
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if (jumper) {
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memcpy(jumper, badjump2, sizeof(badjump2));
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data = jumper + sizeof(HEADER);
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rv = readname(jumper, sizeof(badjump2), &data, buf, 256);
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assert(rv == 4);
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assert(strcmp("BA.", buf) == 0);
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}
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free(jumper);
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printf("OK\n");
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}
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static void
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test_encode_hostname() {
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char buf[256];
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int len;
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int ret;
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len = 256;
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printf(" * Testing hostname encoding... ");
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fflush(stdout);
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memset(buf, 0, 256);
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ret = dns_encode_hostname( // More than 63 chars between dots
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"ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
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, buf, len);
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assert(ret == -1);
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memset(buf, 0, 256);
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ret = dns_encode_hostname( // More chars than fits into array
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ."
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ."
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ.ABCDEFGHIJKLMNOPQRSTUVWXYZ."
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, buf, len);
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assert(ret == -1);
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assert(strlen(buf) < len);
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printf("OK\n");
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}
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static void
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test_base32() {
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char temp[256];
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char *start = "HELLOTEST";
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char *out = "1HELLOTEST";
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char *end;
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char *tempend;
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int codedlength;
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printf(" * Testing base32 encoding... ");
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fflush(stdout);
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memset(temp, 0, sizeof(temp));
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end = malloc(16);
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memset(end, 0, 16);
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codedlength = encode_data(start, 9, 256, temp, 0);
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tempend = temp + strlen(temp);
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decode_data(end, 16, temp, tempend);
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assert(strcmp(out, end) == 0);
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free(end);
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printf("OK\n");
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}
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int
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main()
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{
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printf("** iodine test suite\n");
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test_readputshort();
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test_readputlong();
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test_readname();
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test_encode_hostname();
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test_base32();
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printf("** All went well :)\n");
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return 0;
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}
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