diff options
Diffstat (limited to 'third_party/heimdal/lib/wind/idn-lookup.c')
| -rw-r--r-- | third_party/heimdal/lib/wind/idn-lookup.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/wind/idn-lookup.c b/third_party/heimdal/lib/wind/idn-lookup.c new file mode 100644 index 0000000..5b71a8f --- /dev/null +++ b/third_party/heimdal/lib/wind/idn-lookup.c @@ -0,0 +1,167 @@ +/* + * Copyright (c) 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <assert.h> +#include <err.h> +#include <netdb.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/socket.h> +#include <sys/types.h> + +#include <getarg.h> +#include <roken.h> + +#include "windlocl.h" + +static int version_flag = 0; +static int help_flag = 0; + + +static int +is_separator(uint32_t u) +{ + return u == 0x002E || u == 0x3002; +} + +static void +lookup(const char *name) +{ + unsigned i; + char encoded[1024]; + char *ep; + int ret; + struct addrinfo hints; + struct addrinfo *ai; + + size_t u_len = strlen(name); + uint32_t *u; + size_t norm_len = u_len * 8; + uint32_t *norm; + + if (u_len == 0) + return; + + u = calloc(u_len, sizeof(uint32_t)); + if (u == NULL && u_len != 0) + errx(1, "malloc failed"); + norm = calloc(norm_len, sizeof(uint32_t)); + if (norm == NULL && norm_len != 0) + errx(1, "malloc failed"); + + ret = wind_utf8ucs4(name, u, &u_len); + if (ret) + errx(1, "utf8 conversion failed"); + ret = wind_stringprep(u, u_len, norm, &norm_len, WIND_PROFILE_NAME); + if (ret) + errx(1, "stringprep failed"); + free(u); + + ep = encoded; + for (i = 0; i < norm_len; ++i) { + unsigned j; + size_t len; + + for (j = i; j < norm_len && !is_separator(norm[j]); ++j) + ; + len = sizeof(encoded) - (ep - encoded); + ret = wind_punycode_label_toascii(norm + i, j - i, ep, &len); + if (ret) + errx(1, "punycode failed"); + + ep += len; + *ep++ = '.'; + i = j; + } + *ep = '\0'; + free(norm); + + printf("Converted \"%s\" into \"%s\"\n", name, encoded); + + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + ret = getaddrinfo(encoded, NULL, &hints, &ai); + if(ret) + errx(1, "getaddrinfo failed: %s", gai_strerror(ret)); + printf("canonical-name: %s\n", ai->ai_canonname); + freeaddrinfo(ai); +} + +static struct getargs args[] = { + {"version", 0, arg_flag, &version_flag, + "print version", NULL }, + {"help", 0, arg_flag, &help_flag, + NULL, NULL } +}; + +static void +usage (int ret) +{ + arg_printusage(args, sizeof(args)/sizeof(args[0]), NULL, + "dns-names ..."); + exit (ret); +} + +int +main(int argc, char **argv) +{ + int optidx = 0; + unsigned i; + + setprogname (argv[0]); + + if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) + usage(1); + + if (help_flag) + usage (0); + + if(version_flag){ + print_version(NULL); + exit(0); + } + + argc -= optidx; + argv += optidx; + + if (argc == 0) + usage(1); + + for (i = 0; i < argc; ++i) + lookup(argv[i]); + return 0; +} |