2 * Copyright (c) 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 #include <sys/socket.h>
44 #include <sys/types.h>
51 static int version_flag = 0;
52 static int help_flag = 0;
56 is_separator(uint32_t u)
58 return u == 0x002E || u == 0x3002;
62 lookup(const char *name)
68 struct addrinfo hints;
71 size_t u_len = strlen(name);
72 uint32_t *u = malloc(u_len * sizeof(uint32_t));
73 size_t norm_len = u_len * 2;
74 uint32_t *norm = malloc(norm_len * sizeof(uint32_t));
76 if (u == NULL && u_len != 0)
77 errx(1, "malloc failed");
78 if (norm == NULL && norm_len != 0)
79 errx(1, "malloc failed");
81 ret = wind_utf8ucs4(name, u, &u_len);
83 errx(1, "utf8 conversion failed");
84 ret = wind_stringprep(u, u_len, norm, &norm_len, WIND_PROFILE_NAME);
86 errx(1, "stringprep failed");
90 for (i = 0; i < norm_len; ++i) {
94 for (j = i; j < norm_len && !is_separator(norm[j]); ++j)
96 len = sizeof(encoded) - (ep - encoded);
97 ret = wind_punycode_label_toascii(norm + i, j - i, ep, &len);
99 errx(1, "punycode failed");
108 printf("Converted \"%s\" into \"%s\"\n", name, encoded);
110 memset(&hints, 0, sizeof(hints));
111 hints.ai_flags = AI_CANONNAME;
112 ret = getaddrinfo(encoded, NULL, &hints, &ai);
114 errx(1, "getaddrinfo failed: %s", gai_strerror(ret));
115 printf("canonical-name: %s\n", ai->ai_canonname);
119 static struct getargs args[] = {
120 {"version", 0, arg_flag, &version_flag,
121 "print version", NULL },
122 {"help", 0, arg_flag, &help_flag,
129 arg_printusage(args, sizeof(args)/sizeof(args[0]), NULL,
135 main(int argc, char **argv)
140 setprogname (argv[0]);
142 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
159 for (i = 0; i < argc; ++i)