1 #ifndef lint
2 static char *rcsid = "$Id: api.c,v 1.23 2002/11/29 09:08:04 ishisone Exp $";
3 #endif
4 
5 /*
6  * Copyright (c) 2001,2002 Japan Network Information Center.
7  * All rights reserved.
8  *
9  * By using this file, you agree to the terms and conditions set forth bellow.
10  *
11  * 			LICENSE TERMS AND CONDITIONS
12  *
13  * The following License Terms and Conditions apply, unless a different
14  * license is obtained from Japan Network Information Center ("JPNIC"),
15  * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
16  * Chiyoda-ku, Tokyo 101-0047, Japan.
17  *
18  * 1. Use, Modification and Redistribution (including distribution of any
19  *    modified or derived work) in source and/or binary forms is permitted
20  *    under this License Terms and Conditions.
21  *
22  * 2. Redistribution of source code must retain the copyright notices as they
23  *    appear in each source code file, this License Terms and Conditions.
24  *
25  * 3. Redistribution in binary form must reproduce the Copyright Notice,
26  *    this License Terms and Conditions, in the documentation and/or other
27  *    materials provided with the distribution.  For the purposes of binary
28  *    distribution the "Copyright Notice" refers to the following language:
29  *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
30  *
31  * 4. The name of JPNIC may not be used to endorse or promote products
32  *    derived from this Software without specific prior written approval of
33  *    JPNIC.
34  *
35  * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
36  *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37  *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
38  *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
39  *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
40  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
41  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
42  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
43  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
44  *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
45  *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
46  */
47 
48 #include <config.h>
49 
50 #include <string.h>
51 #include <stdlib.h>
52 
53 #include <idn/result.h>
54 #include <idn/assert.h>
55 #include <idn/log.h>
56 #include <idn/logmacro.h>
57 #include <idn/resconf.h>
58 #include <idn/api.h>
59 #include <idn/debug.h>
60 #include <idn/res.h>
61 
62 static int initialized;
63 static idn_resconf_t default_conf;
64 
65 static char *conf_file;
66 
67 void
idn_enable(int on_off)68 idn_enable(int on_off) {
69 	idn_res_enable(on_off);
70 }
71 
72 idn_result_t
idn__setconffile(const char * file)73 idn__setconffile(const char *file) {
74 	idn_result_t r;
75 	char *s;
76 
77 	TRACE(("idn__setconffile(%s)\n", (file == NULL) ? "<null>" : file));
78 
79 	if (initialized) {
80 		r = idn_failure;
81 		goto ret;
82 	}
83 
84 	if (file == NULL)
85 		s = NULL;
86 	else {
87 		s = (char *)malloc(strlen(file) + 1);
88 		if (s == NULL) {
89 			r = idn_nomemory;
90 			goto ret;
91 		}
92 		strcpy(s, file);
93 	}
94 	free(conf_file);
95 	conf_file = s;
96 
97 	r = idn_success;
98 ret:
99 	TRACE(("idn__setconffile(): %s\n", idn_result_tostring(r)));
100 	return (r);
101 }
102 
103 idn_result_t
idn_nameinit(int load_file)104 idn_nameinit(int load_file) {
105 	idn_result_t r;
106 
107 	TRACE(("idn_nameinit()\n"));
108 
109 	if (initialized) {
110 		r = idn_success;
111 		goto ret;
112 	}
113 
114 	idn_resconf_initialize();
115 
116 	r = idn_resconf_create(&default_conf);
117 	if (r != idn_success)
118 		goto ret;
119 
120 	if (load_file)
121 		r = idn_resconf_loadfile(default_conf, conf_file);
122 	else
123 		r = idn_resconf_setdefaults(default_conf);
124 	if (r != idn_success)
125 		goto ret;
126 
127 	initialized = 1;
128 
129 ret:
130 	if (r != idn_success && default_conf != NULL) {
131 		idn_resconf_destroy(default_conf);
132 		default_conf = NULL;
133 	}
134 	TRACE(("idn_nameinit(): %s\n", idn_result_tostring(r)));
135 	return (r);
136 }
137 
138 idn_result_t
idn_encodename(idn_action_t actions,const char * from,char * to,size_t tolen)139 idn_encodename(idn_action_t actions, const char *from, char *to, size_t tolen) {
140 	idn_result_t r;
141 
142 	assert(from != NULL && to != NULL);
143 
144 	TRACE(("idn_encodename(actions=%s, from=\"%s\")\n",
145 	       idn__res_actionstostring(actions),
146 	       idn__debug_xstring(from, 50)));
147 
148 	if (!initialized && ((r = idn_nameinit(0)) != idn_success))
149 		goto ret;
150 
151 	r = idn_res_encodename(default_conf, actions, from, to, tolen);
152 
153 ret:
154 	if (r == idn_success) {
155 		TRACE(("idn_encodename(): success (to=\"%s\")\n",
156 		       idn__debug_xstring(to, 50)));
157 	} else {
158 		TRACE(("idn_encodename(): %s\n", idn_result_tostring(r)));
159 	}
160 	return (r);
161 }
162 
163 idn_result_t
idn_decodename(idn_action_t actions,const char * from,char * to,size_t tolen)164 idn_decodename(idn_action_t actions, const char *from, char *to, size_t tolen) {
165 	idn_result_t r;
166 
167 	assert(from != NULL && to != NULL);
168 
169 	TRACE(("idn_decodename(actions=%s, from=\"%s\", tolen=%d)\n",
170 	       idn__res_actionstostring(actions),
171 	       idn__debug_xstring(from, 50), (int)tolen));
172 
173 	if (!initialized && ((r = idn_nameinit(0)) != idn_success))
174 		goto ret;
175 
176 	r = idn_res_decodename(default_conf, actions, from, to, tolen);
177 
178 ret:
179 	if (r == idn_success) {
180 		TRACE(("idn_decodename(): success (to=\"%s\")\n",
181 		       idn__debug_xstring(to, 50)));
182 	} else {
183 		TRACE(("idn_decodename(): %s\n", idn_result_tostring(r)));
184 	}
185 	return (r);
186 }
187 
188 idn_result_t
idn_decodename2(idn_action_t actions,const char * from,char * to,size_t tolen,const char * auxencoding)189 idn_decodename2(idn_action_t actions, const char *from, char *to, size_t tolen,
190 		const char *auxencoding) {
191 	idn_result_t r;
192 
193 	assert(from != NULL && to != NULL);
194 
195 	TRACE(("idn_decodename2(actions=%s, from=\"%s\", tolen=%d)\n",
196 	       idn__res_actionstostring(actions),
197 	       idn__debug_xstring(from, 50), (int)tolen));
198 
199 	if (!initialized && ((r = idn_nameinit(0)) != idn_success))
200 		goto ret;
201 
202 	r = idn_res_decodename2(default_conf, actions, from, to, tolen,
203 				auxencoding);
204 
205 ret:
206 	if (r == idn_success) {
207 		TRACE(("idn_decodename2(): success (to=\"%s\")\n",
208 		       idn__debug_xstring(to, 50)));
209 	} else {
210 		TRACE(("idn_decodename2(): %s\n", idn_result_tostring(r)));
211 	}
212 	return (r);
213 }
214 
215 /*
216  * These functions are for backward compatibility.
217  */
218 #ifdef ENABLE_MDNKIT_COMPAT
219 
220 idn_result_t
mdn_nameinit(void)221 mdn_nameinit(void) {
222 	return idn_nameinit(1);
223 }
224 
225 idn_result_t
mdn_encodename(int actions,const char * from,char * to,size_t tolen)226 mdn_encodename(int actions, const char *from, char *to, size_t tolen) {
227 	idn_result_t r;
228 
229 	assert(from != NULL && to != NULL);
230 
231 	TRACE(("mdn_encodename(actions=%s, from=\"%s\")\n",
232 	       idn__res_actionstostring(actions),
233 	       idn__debug_xstring(from, 50)));
234 
235 	if (!initialized && ((r = idn_nameinit(1)) != idn_success))
236 		return (r);
237 
238 	return (idn_res_encodename(default_conf, actions, from, to, tolen));
239 }
240 
241 idn_result_t
mdn_decodename(int actions,const char * from,char * to,size_t tolen)242 mdn_decodename(int actions, const char *from, char *to, size_t tolen) {
243 	idn_result_t r;
244 
245 	assert(from != NULL && to != NULL);
246 
247 	TRACE(("idn_decodename(actions=%s, from=\"%s\", tolen=%d)\n",
248 	       idn__res_actionstostring(actions),
249 	       idn__debug_xstring(from, 50), (int)tolen));
250 
251 	if (!initialized && ((r = idn_nameinit(1)) != idn_success))
252 		return (r);
253 
254 	return (idn_res_decodename(default_conf, actions, from, to, tolen));
255 }
256 
257 #endif /* ENABLE_MDNKIT_COMPAT */
258