diff options
Diffstat (limited to 'contrib/idn/idnkit-1.0-src/wsock/common/convert.c')
| -rw-r--r-- | contrib/idn/idnkit-1.0-src/wsock/common/convert.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/contrib/idn/idnkit-1.0-src/wsock/common/convert.c b/contrib/idn/idnkit-1.0-src/wsock/common/convert.c new file mode 100644 index 0000000..b2c202e --- /dev/null +++ b/contrib/idn/idnkit-1.0-src/wsock/common/convert.c @@ -0,0 +1,180 @@ +/* + * convert.c - convert domain name + */ + +/* + * Copyright (c) 2000,2002 Japan Network Information Center. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set forth bellow. + * + * LICENSE TERMS AND CONDITIONS + * + * The following License Terms and Conditions apply, unless a different + * license is obtained from Japan Network Information Center ("JPNIC"), + * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda, + * Chiyoda-ku, Tokyo 101-0047, Japan. + * + * 1. Use, Modification and Redistribution (including distribution of any + * modified or derived work) in source and/or binary forms is permitted + * under this License Terms and Conditions. + * + * 2. Redistribution of source code must retain the copyright notices as they + * appear in each source code file, this License Terms and Conditions. + * + * 3. Redistribution in binary form must reproduce the Copyright Notice, + * this License Terms and Conditions, in the documentation and/or other + * materials provided with the distribution. For the purposes of binary + * distribution the "Copyright Notice" refers to the following language: + * "Copyright (c) 2000-2002 Japan Network Information Center. All rights reserved." + * + * 4. The name of JPNIC may not be used to endorse or promote products + * derived from this Software without specific prior written approval of + * JPNIC. + * + * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC + * "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 JPNIC 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 DAMAGES. + */ + +#include <windows.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "wrapcommon.h" + +/* + * prepare/dispose conversion context + */ + +void +idnConvDone(idn_resconf_t ctx) +{ + if (ctx != NULL) { + idnLogReset(); + idn_resconf_destroy(ctx); + } +} + +idn_resconf_t +idnConvInit(void) +{ + char encoding[256]; + idn_resconf_t ctx; + idn_result_t r; + + idnLogReset(); + + idnLogPrintf(idn_log_level_info, "idnkit version: %-.20s\n", + idn_version_getstring()); + + /* + * Initialize. + */ + if ((r = idn_resconf_initialize()) != idn_success) { + idnPrintf("idnConvInit: cannot initialize idn library: %s\n", + idn_result_tostring(r)); + return NULL; + } + if ((r = idn_resconf_create(&ctx)) != idn_success) { + idnPrintf("idnConvInit: cannot create context: %s\n", + idn_result_tostring(r)); + return NULL; + } + /* + * load configuration file. + */ + if ((r = idn_resconf_loadfile(ctx, NULL)) != idn_success) { + idnPrintf("idnConvInit: cannot read configuration file: %s\n", + idn_result_tostring(r)); + if ((r = idn_resconf_setdefaults(ctx)) != idn_success) { + idnPrintf("idnConvInit: setting default configuration" + " failed: %s\n", + idn_result_tostring(r)); + idnConvDone(ctx); + return (NULL); + } + idnPrintf("idnConvInit: using default configuration\n"); + } + /* + * Set local codeset. + */ + if (idnGetPrgEncoding(encoding, sizeof(encoding)) == TRUE) { + idnPrintf("Encoding PRG <%-.100s>\n", encoding); + r = idn_resconf_setlocalconvertername(ctx, encoding, + IDN_CONVERTER_RTCHECK); + if (r != idn_success) { + idnPrintf("idnConvInit: invalid local codeset " + "\"%-.100s\": %s\n", + encoding, idn_result_tostring(r)); + idnConvDone(ctx); + return NULL; + } + } + return ctx; +} + +/* + * idnConvReq - convert domain name in a DNS request + * + * convert local encoding to DNS encoding + */ + +BOOL +idnConvReq(idn_resconf_t ctx, const char FAR *from, char FAR *to, size_t tolen) +{ + idn_result_t r; + + idnLogReset(); + + idnLogPrintf(idn_log_level_trace, "idnConvReq(from=%-.100s)\n", from); + if (ctx == NULL) { + idnLogPrintf(idn_log_level_trace, "idnConvReq: ctx is NULL\n"); + if (strlen(from) >= tolen) + return FALSE; + strcpy(to, from); + return TRUE; + } + + r = idn_res_encodename(ctx, IDN_ENCODE_APP, from, to, tolen); + + if (r == idn_success) { + return TRUE; + } else { + return FALSE; + } +} + +/* + * idnConvRsp - convert domain name in a DNS response + * + * convert DNS encoding to local encoding + */ + +BOOL +idnConvRsp(idn_resconf_t ctx, const char FAR *from, char FAR *to, size_t tolen) +{ + idnLogReset(); + + idnLogPrintf(idn_log_level_trace, "idnConvRsp(from=%-.100s)\n", from); + if (ctx == NULL) { + if (strlen(from) >= tolen) + return FALSE; + strcpy(to, from); + return TRUE; + } else if (idn_res_decodename(ctx, IDN_DECODE_APP, + from, to, tolen) == idn_success) { + return TRUE; + } else { + return FALSE; + } +} |