1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
diff -up bind-9.5.0b1/bin/dig/dighost.c.libidn2 bind-9.5.0b1/bin/dig/dighost.c
--- bind-9.5.0b1/bin/dig/dighost.c.libidn2 2007-12-10 13:12:26.000000000 +0100
+++ bind-9.5.0b1/bin/dig/dighost.c 2007-12-10 14:21:09.000000000 +0100
@@ -153,7 +153,7 @@ int idnoptions = 0;
#endif
#ifdef WITH_LIBIDN
-static isc_result_t libidn_locale_to_utf8 (const char* from, char **to);
+static isc_result_t libidn_locale_to_utf8 (const char* from, char *to);
static isc_result_t libidn_utf8_to_ascii (const char* from, char *to);
static isc_result_t output_filter (isc_buffer_t *buffer,
unsigned int used_org,
@@ -1764,17 +1764,13 @@ setup_lookup(dig_lookup_t *lookup) {
char utf8_textname[MXNAME], utf8_origin[MXNAME], idn_textname[MXNAME];
#endif
#ifdef WITH_LIBIDN
- char *utf8_str = NULL, utf8_name[MXNAME], ascii_name[MXNAME];
+ char utf8_str[MXNAME], utf8_name[MXNAME], ascii_name[MXNAME];
#endif
-#ifdef WITH_IDN
+#if defined (WITH_IDN) || defined (WITH_LIBIDN)
result = dns_name_settotextfilter(output_filter);
check_result(result, "dns_name_settotextfilter");
#endif
-#ifdef WITH_LIBIDN
- result = dns_name_settotextfilter (output_filter);
- check_result(result, "dns_name_settotextfilter");
-#endif
REQUIRE(lookup != NULL);
INSIST(!free_now);
@@ -1812,15 +1808,13 @@ setup_lookup(dig_lookup_t *lookup) {
utf8_textname, sizeof(utf8_textname));
idn_check_result(mr, "convert textname to UTF-8");
#elif defined (WITH_LIBIDN)
- result = libidn_locale_to_utf8 (lookup->textname, &utf8_str);
- check_result (result, "converting textname to UTF-8");
+ result = libidn_locale_to_utf8 (lookup->textname, utf8_str);
+ check_result (result, "convert textname to UTF-8");
len = strlen (utf8_str);
- if (len < MXNAME) {
+ if (len < MXNAME)
(void) strcpy (utf8_name, utf8_str);
- } else {
+ else
fatal ("Too long name");
- }
- isc_mem_free (mctx, utf8_str);
#endif
/*
@@ -1833,24 +1827,11 @@ setup_lookup(dig_lookup_t *lookup) {
if (lookup->new_search) {
#ifdef WITH_IDN
if ((count_dots(utf8_textname) >= ndots) || !usesearch) {
- lookup->origin = NULL; /* Force abs lookup */
- lookup->done_as_is = ISC_TRUE;
- lookup->need_search = usesearch;
- } else if (lookup->origin == NULL && usesearch) {
- lookup->origin = ISC_LIST_HEAD(search_list);
- lookup->need_search = ISC_FALSE;
- }
#elif defined (WITH_LIBIDN)
if ((count_dots(utf8_name) >= ndots) || !usesearch) {
- lookup->origin = NULL; /* Force abs lookup */
- lookup->done_as_is = ISC_TRUE;
- lookup->need_search = usesearch;
- } else if (lookup->origin == NULL && usesearch) {
- lookup->origin = ISC_LIST_HEAD(search_list);
- lookup->need_search = ISC_FALSE;
- }
#else
if ((count_dots(lookup->textname) >= ndots) || !usesearch) {
+#endif
lookup->origin = NULL; /* Force abs lookup */
lookup->done_as_is = ISC_TRUE;
lookup->need_search = usesearch;
@@ -1858,7 +1839,6 @@ setup_lookup(dig_lookup_t *lookup) {
lookup->origin = ISC_LIST_HEAD(search_list);
lookup->need_search = ISC_FALSE;
}
-#endif
}
#ifdef WITH_IDN
@@ -1877,15 +1857,12 @@ setup_lookup(dig_lookup_t *lookup) {
idn_check_result(mr, "convert UTF-8 textname to IDN encoding");
#elif defined (WITH_LIBIDN)
if (lookup->origin != NULL) {
- result = libidn_locale_to_utf8 (lookup->origin->origin, &utf8_str);
+ result = libidn_locale_to_utf8 (lookup->origin->origin, utf8_str);
check_result (result, "convert origin to UTF-8");
- if (len + strlen (utf8_str) + 1 < MXNAME) {
- utf8_name[len++] = '.';
+ if (len + strlen (utf8_str) < MXNAME)
(void) strcpy (utf8_name + len, utf8_str);
- } else {
+ else
fatal ("Too long name + origin");
- }
- isc_mem_free (mctx, utf8_str);
}
result = libidn_utf8_to_ascii (utf8_name, ascii_name);
@@ -3600,76 +3577,85 @@ idn_check_result(idn_result_t r, const c
}
#endif /* WITH_IDN */
#ifdef WITH_LIBIDN
-/* If stringprep_locale_to_utf8 fails simple copy string */
static isc_result_t
-libidn_locale_to_utf8 (const char *from, char **to) {
+libidn_locale_to_utf8 (const char *from, char *to) {
char *utf8_str;
+ debug ("libidn_locale_to_utf8");
utf8_str = stringprep_locale_to_utf8 (from);
- if (utf8_str == NULL) {
- *to = isc_mem_allocate (mctx, strlen (from) + 1);
- if (*to == NULL)
- return (ISC_R_NOMEMORY);
- (void) strcpy (*to, from);
- } else {
- *to = isc_mem_allocate (mctx, strlen (utf8_str) + 1);
- if (*to == NULL)
- return (ISC_R_NOMEMORY);
- (void) strcpy (*to, utf8_str);
+ if (utf8_str != NULL) {
+ (void) strcpy (to, utf8_str);
free (utf8_str);
+ return ISC_R_SUCCESS;
}
- return (ISC_R_SUCCESS);
+
+ debug ("libidn_locale_to_utf8: failure");
+ return ISC_R_FAILURE;
}
static isc_result_t
libidn_utf8_to_ascii (const char *from, char *to) {
char *ascii;
+ int iresult;
- if (idna_to_ascii_8z (from, &ascii, 0) != IDNA_SUCCESS)
- return (ISC_R_FAILURE);
+ debug ("libidn_utf8_to_ascii");
+ iresult = idna_to_ascii_8z (from, &ascii, 0);
+ if (iresult != IDNA_SUCCESS) {
+ debug ("idna_to_ascii_8z: %s", idna_strerror (iresult));
+ return ISC_R_FAILURE;
+ }
(void) strcpy (to, ascii);
free (ascii);
- return (ISC_R_SUCCESS);
+ return ISC_R_SUCCESS;
}
-/* based on idnkit's code*/
+
static isc_result_t
output_filter (isc_buffer_t *buffer, unsigned int used_org,
isc_boolean_t absolute) {
+
char tmp1[MXNAME], *tmp2;
size_t fromlen, tolen;
isc_boolean_t end_with_dot;
+ int iresult;
+
+ debug ("output_filter");
- fromlen = isc_buffer_usedlength(buffer) - used_org;
+ fromlen = isc_buffer_usedlength (buffer) - used_org;
if (fromlen >= MXNAME)
- return (ISC_R_SUCCESS);
- memcpy(tmp1, (char *)isc_buffer_base(buffer) + used_org, fromlen);
+ return ISC_R_SUCCESS;
+ memcpy (tmp1, (char *) isc_buffer_base (buffer) + used_org, fromlen);
end_with_dot = (tmp1[fromlen - 1] == '.') ? ISC_TRUE : ISC_FALSE;
if (absolute && !end_with_dot) {
fromlen++;
if (fromlen >= MXNAME)
- return (ISC_R_SUCCESS);
+ return ISC_R_SUCCESS;
tmp1[fromlen - 1] = '.';
}
tmp1[fromlen] = '\0';
- if (idna_to_unicode_lzlz (tmp1, &tmp2, 0) != IDNA_SUCCESS)
- return (ISC_R_SUCCESS);
+ iresult = idna_to_unicode_8z8z (tmp1, &tmp2, 0);
+ if (iresult != IDNA_SUCCESS) {
+ debug ("output_filter: %s", idna_strerror (iresult));
+ return ISC_R_SUCCESS;
+ }
(void) strcpy (tmp1, tmp2);
free (tmp2);
- tolen = strlen(tmp1);
+ tolen = strlen (tmp1);
if (absolute && !end_with_dot && tmp1[tolen - 1] == '.')
tolen--;
- if (isc_buffer_length(buffer) < used_org + tolen)
- return (ISC_R_NOSPACE);
+ if (isc_buffer_length (buffer) < used_org + tolen)
+ return ISC_R_NOSPACE;
+
+ debug ("%s", tmp1);
- isc_buffer_subtract(buffer, isc_buffer_usedlength(buffer) - used_org);
- memcpy(isc_buffer_used(buffer), tmp1, tolen);
- isc_buffer_add(buffer, tolen);
+ isc_buffer_subtract (buffer, isc_buffer_usedlength (buffer) - used_org);
+ memcpy (isc_buffer_used (buffer), tmp1, tolen);
+ isc_buffer_add (buffer, tolen);
- return (ISC_R_SUCCESS);
+ return ISC_R_SUCCESS;
}
#endif /* WITH_LIBIDN*/
|
