diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/a_mbstr.c')
-rw-r--r-- | src/lib/libcrypto/asn1/a_mbstr.c | 196 |
1 files changed, 114 insertions, 82 deletions
diff --git a/src/lib/libcrypto/asn1/a_mbstr.c b/src/lib/libcrypto/asn1/a_mbstr.c index f6d8da8b3c..5a909d6ae2 100644 --- a/src/lib/libcrypto/asn1/a_mbstr.c +++ b/src/lib/libcrypto/asn1/a_mbstr.c | |||
@@ -10,7 +10,7 @@ | |||
10 | * are met: | 10 | * are met: |
11 | * | 11 | * |
12 | * 1. Redistributions of source code must retain the above copyright | 12 | * 1. Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. | 13 | * notice, this list of conditions and the following disclaimer. |
14 | * | 14 | * |
15 | * 2. Redistributions in binary form must reproduce the above copyright | 15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in | 16 | * notice, this list of conditions and the following disclaimer in |
@@ -62,7 +62,7 @@ | |||
62 | #include <openssl/asn1.h> | 62 | #include <openssl/asn1.h> |
63 | 63 | ||
64 | static int traverse_string(const unsigned char *p, int len, int inform, | 64 | static int traverse_string(const unsigned char *p, int len, int inform, |
65 | int (*rfunc)(unsigned long value, void *in), void *arg); | 65 | int (*rfunc)(unsigned long value, void *in), void *arg); |
66 | static int in_utf8(unsigned long value, void *arg); | 66 | static int in_utf8(unsigned long value, void *arg); |
67 | static int out_utf8(unsigned long value, void *arg); | 67 | static int out_utf8(unsigned long value, void *arg); |
68 | static int type_str(unsigned long value, void *arg); | 68 | static int type_str(unsigned long value, void *arg); |
@@ -80,15 +80,17 @@ static int is_printable(unsigned long value); | |||
80 | * The 'ncopy' form checks minimum and maximum size limits too. | 80 | * The 'ncopy' form checks minimum and maximum size limits too. |
81 | */ | 81 | */ |
82 | 82 | ||
83 | int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len, | 83 | int |
84 | int inform, unsigned long mask) | 84 | ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len, |
85 | int inform, unsigned long mask) | ||
85 | { | 86 | { |
86 | return ASN1_mbstring_ncopy(out, in, len, inform, mask, 0, 0); | 87 | return ASN1_mbstring_ncopy(out, in, len, inform, mask, 0, 0); |
87 | } | 88 | } |
88 | 89 | ||
89 | int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, | 90 | int |
90 | int inform, unsigned long mask, | 91 | ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, |
91 | long minsize, long maxsize) | 92 | int inform, unsigned long mask, |
93 | long minsize, long maxsize) | ||
92 | { | 94 | { |
93 | int str_type; | 95 | int str_type; |
94 | int ret; | 96 | int ret; |
@@ -98,59 +100,62 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, | |||
98 | unsigned char *p; | 100 | unsigned char *p; |
99 | int nchar; | 101 | int nchar; |
100 | char strbuf[32]; | 102 | char strbuf[32]; |
101 | int (*cpyfunc)(unsigned long,void *) = NULL; | 103 | int (*cpyfunc)(unsigned long, void *) = NULL; |
102 | if(len == -1) len = strlen((const char *)in); | 104 | |
103 | if(!mask) mask = DIRSTRING_TYPE; | 105 | if (len == -1) |
106 | len = strlen((const char *)in); | ||
107 | if (!mask) | ||
108 | mask = DIRSTRING_TYPE; | ||
104 | 109 | ||
105 | /* First do a string check and work out the number of characters */ | 110 | /* First do a string check and work out the number of characters */ |
106 | switch(inform) { | 111 | switch (inform) { |
107 | 112 | ||
108 | case MBSTRING_BMP: | 113 | case MBSTRING_BMP: |
109 | if(len & 1) { | 114 | if (len & 1) { |
110 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, | 115 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, |
111 | ASN1_R_INVALID_BMPSTRING_LENGTH); | 116 | ASN1_R_INVALID_BMPSTRING_LENGTH); |
112 | return -1; | 117 | return -1; |
113 | } | 118 | } |
114 | nchar = len >> 1; | 119 | nchar = len >> 1; |
115 | break; | 120 | break; |
116 | 121 | ||
117 | case MBSTRING_UNIV: | 122 | case MBSTRING_UNIV: |
118 | if(len & 3) { | 123 | if (len & 3) { |
119 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, | 124 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, |
120 | ASN1_R_INVALID_UNIVERSALSTRING_LENGTH); | 125 | ASN1_R_INVALID_UNIVERSALSTRING_LENGTH); |
121 | return -1; | 126 | return -1; |
122 | } | 127 | } |
123 | nchar = len >> 2; | 128 | nchar = len >> 2; |
124 | break; | 129 | break; |
125 | 130 | ||
126 | case MBSTRING_UTF8: | 131 | case MBSTRING_UTF8: |
127 | nchar = 0; | 132 | nchar = 0; |
128 | /* This counts the characters and does utf8 syntax checking */ | 133 | /* This counts the characters and does utf8 syntax checking */ |
129 | ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar); | 134 | ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar); |
130 | if(ret < 0) { | 135 | if (ret < 0) { |
131 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, | 136 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, |
132 | ASN1_R_INVALID_UTF8STRING); | 137 | ASN1_R_INVALID_UTF8STRING); |
133 | return -1; | 138 | return -1; |
134 | } | 139 | } |
135 | break; | 140 | break; |
136 | 141 | ||
137 | case MBSTRING_ASC: | 142 | case MBSTRING_ASC: |
138 | nchar = len; | 143 | nchar = len; |
139 | break; | 144 | break; |
140 | 145 | ||
141 | default: | 146 | default: |
142 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_UNKNOWN_FORMAT); | 147 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_UNKNOWN_FORMAT); |
143 | return -1; | 148 | return -1; |
144 | } | 149 | } |
145 | 150 | ||
146 | if((minsize > 0) && (nchar < minsize)) { | 151 | if ((minsize > 0) && (nchar < minsize)) { |
147 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_SHORT); | 152 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_SHORT); |
148 | (void) snprintf(strbuf, sizeof strbuf, "%ld", minsize); | 153 | (void) snprintf(strbuf, sizeof strbuf, "%ld", minsize); |
149 | ERR_add_error_data(2, "minsize=", strbuf); | 154 | ERR_add_error_data(2, "minsize=", strbuf); |
150 | return -1; | 155 | return -1; |
151 | } | 156 | } |
152 | 157 | ||
153 | if((maxsize > 0) && (nchar > maxsize)) { | 158 | if ((maxsize > 0) && (nchar > maxsize)) { |
154 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_LONG); | 159 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_LONG); |
155 | (void) snprintf(strbuf, sizeof strbuf, "%ld", maxsize); | 160 | (void) snprintf(strbuf, sizeof strbuf, "%ld", maxsize); |
156 | ERR_add_error_data(2, "maxsize=", strbuf); | 161 | ERR_add_error_data(2, "maxsize=", strbuf); |
@@ -158,7 +163,7 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, | |||
158 | } | 163 | } |
159 | 164 | ||
160 | /* Now work out minimal type (if any) */ | 165 | /* Now work out minimal type (if any) */ |
161 | if(traverse_string(in, len, inform, type_str, &mask) < 0) { | 166 | if (traverse_string(in, len, inform, type_str, &mask) < 0) { |
162 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_ILLEGAL_CHARACTERS); | 167 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_ILLEGAL_CHARACTERS); |
163 | return -1; | 168 | return -1; |
164 | } | 169 | } |
@@ -166,24 +171,28 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, | |||
166 | 171 | ||
167 | /* Now work out output format and string type */ | 172 | /* Now work out output format and string type */ |
168 | outform = MBSTRING_ASC; | 173 | outform = MBSTRING_ASC; |
169 | if(mask & B_ASN1_PRINTABLESTRING) str_type = V_ASN1_PRINTABLESTRING; | 174 | if (mask & B_ASN1_PRINTABLESTRING) |
170 | else if(mask & B_ASN1_IA5STRING) str_type = V_ASN1_IA5STRING; | 175 | str_type = V_ASN1_PRINTABLESTRING; |
171 | else if(mask & B_ASN1_T61STRING) str_type = V_ASN1_T61STRING; | 176 | else if (mask & B_ASN1_IA5STRING) |
172 | else if(mask & B_ASN1_BMPSTRING) { | 177 | str_type = V_ASN1_IA5STRING; |
178 | else if (mask & B_ASN1_T61STRING) | ||
179 | str_type = V_ASN1_T61STRING; | ||
180 | else if (mask & B_ASN1_BMPSTRING) { | ||
173 | str_type = V_ASN1_BMPSTRING; | 181 | str_type = V_ASN1_BMPSTRING; |
174 | outform = MBSTRING_BMP; | 182 | outform = MBSTRING_BMP; |
175 | } else if(mask & B_ASN1_UNIVERSALSTRING) { | 183 | } else if (mask & B_ASN1_UNIVERSALSTRING) { |
176 | str_type = V_ASN1_UNIVERSALSTRING; | 184 | str_type = V_ASN1_UNIVERSALSTRING; |
177 | outform = MBSTRING_UNIV; | 185 | outform = MBSTRING_UNIV; |
178 | } else { | 186 | } else { |
179 | str_type = V_ASN1_UTF8STRING; | 187 | str_type = V_ASN1_UTF8STRING; |
180 | outform = MBSTRING_UTF8; | 188 | outform = MBSTRING_UTF8; |
181 | } | 189 | } |
182 | if(!out) return str_type; | 190 | if (!out) |
183 | if(*out) { | 191 | return str_type; |
192 | if (*out) { | ||
184 | free_out = 0; | 193 | free_out = 0; |
185 | dest = *out; | 194 | dest = *out; |
186 | if(dest->data) { | 195 | if (dest->data) { |
187 | dest->length = 0; | 196 | dest->length = 0; |
188 | free(dest->data); | 197 | free(dest->data); |
189 | dest->data = NULL; | 198 | dest->data = NULL; |
@@ -192,75 +201,78 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len, | |||
192 | } else { | 201 | } else { |
193 | free_out = 1; | 202 | free_out = 1; |
194 | dest = ASN1_STRING_type_new(str_type); | 203 | dest = ASN1_STRING_type_new(str_type); |
195 | if(!dest) { | 204 | if (!dest) { |
196 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, | 205 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, |
197 | ERR_R_MALLOC_FAILURE); | 206 | ERR_R_MALLOC_FAILURE); |
198 | return -1; | 207 | return -1; |
199 | } | 208 | } |
200 | *out = dest; | 209 | *out = dest; |
201 | } | 210 | } |
202 | /* If both the same type just copy across */ | 211 | /* If both the same type just copy across */ |
203 | if(inform == outform) { | 212 | if (inform == outform) { |
204 | if(!ASN1_STRING_set(dest, in, len)) { | 213 | if (!ASN1_STRING_set(dest, in, len)) { |
205 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE); | 214 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, |
215 | ERR_R_MALLOC_FAILURE); | ||
206 | return -1; | 216 | return -1; |
207 | } | 217 | } |
208 | return str_type; | 218 | return str_type; |
209 | } | 219 | } |
210 | 220 | ||
211 | /* Work out how much space the destination will need */ | 221 | /* Work out how much space the destination will need */ |
212 | switch(outform) { | 222 | switch (outform) { |
213 | case MBSTRING_ASC: | 223 | case MBSTRING_ASC: |
214 | outlen = nchar; | 224 | outlen = nchar; |
215 | cpyfunc = cpy_asc; | 225 | cpyfunc = cpy_asc; |
216 | break; | 226 | break; |
217 | 227 | ||
218 | case MBSTRING_BMP: | 228 | case MBSTRING_BMP: |
219 | outlen = nchar << 1; | 229 | outlen = nchar << 1; |
220 | cpyfunc = cpy_bmp; | 230 | cpyfunc = cpy_bmp; |
221 | break; | 231 | break; |
222 | 232 | ||
223 | case MBSTRING_UNIV: | 233 | case MBSTRING_UNIV: |
224 | outlen = nchar << 2; | 234 | outlen = nchar << 2; |
225 | cpyfunc = cpy_univ; | 235 | cpyfunc = cpy_univ; |
226 | break; | 236 | break; |
227 | 237 | ||
228 | case MBSTRING_UTF8: | 238 | case MBSTRING_UTF8: |
229 | outlen = 0; | 239 | outlen = 0; |
230 | traverse_string(in, len, inform, out_utf8, &outlen); | 240 | traverse_string(in, len, inform, out_utf8, &outlen); |
231 | cpyfunc = cpy_utf8; | 241 | cpyfunc = cpy_utf8; |
232 | break; | 242 | break; |
233 | } | 243 | } |
234 | if(!(p = malloc(outlen + 1))) { | 244 | if (!(p = malloc(outlen + 1))) { |
235 | if(free_out) ASN1_STRING_free(dest); | 245 | if (free_out) |
236 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE); | 246 | ASN1_STRING_free(dest); |
247 | ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ERR_R_MALLOC_FAILURE); | ||
237 | return -1; | 248 | return -1; |
238 | } | 249 | } |
239 | dest->length = outlen; | 250 | dest->length = outlen; |
240 | dest->data = p; | 251 | dest->data = p; |
241 | p[outlen] = 0; | 252 | p[outlen] = 0; |
242 | traverse_string(in, len, inform, cpyfunc, &p); | 253 | traverse_string(in, len, inform, cpyfunc, &p); |
243 | return str_type; | 254 | return str_type; |
244 | } | 255 | } |
245 | 256 | ||
246 | /* This function traverses a string and passes the value of each character | 257 | /* This function traverses a string and passes the value of each character |
247 | * to an optional function along with a void * argument. | 258 | * to an optional function along with a void * argument. |
248 | */ | 259 | */ |
249 | 260 | ||
250 | static int traverse_string(const unsigned char *p, int len, int inform, | 261 | static int |
251 | int (*rfunc)(unsigned long value, void *in), void *arg) | 262 | traverse_string(const unsigned char *p, int len, int inform, |
263 | int (*rfunc)(unsigned long value, void *in), void *arg) | ||
252 | { | 264 | { |
253 | unsigned long value; | 265 | unsigned long value; |
254 | int ret; | 266 | int ret; |
255 | while(len) { | 267 | while (len) { |
256 | if(inform == MBSTRING_ASC) { | 268 | if (inform == MBSTRING_ASC) { |
257 | value = *p++; | 269 | value = *p++; |
258 | len--; | 270 | len--; |
259 | } else if(inform == MBSTRING_BMP) { | 271 | } else if (inform == MBSTRING_BMP) { |
260 | value = *p++ << 8; | 272 | value = *p++ << 8; |
261 | value |= *p++; | 273 | value |= *p++; |
262 | len -= 2; | 274 | len -= 2; |
263 | } else if(inform == MBSTRING_UNIV) { | 275 | } else if (inform == MBSTRING_UNIV) { |
264 | value = ((unsigned long)*p++) << 24; | 276 | value = ((unsigned long)*p++) << 24; |
265 | value |= ((unsigned long)*p++) << 16; | 277 | value |= ((unsigned long)*p++) << 16; |
266 | value |= *p++ << 8; | 278 | value |= *p++ << 8; |
@@ -268,13 +280,14 @@ static int traverse_string(const unsigned char *p, int len, int inform, | |||
268 | len -= 4; | 280 | len -= 4; |
269 | } else { | 281 | } else { |
270 | ret = UTF8_getc(p, len, &value); | 282 | ret = UTF8_getc(p, len, &value); |
271 | if(ret < 0) return -1; | 283 | if (ret < 0) return -1; |
272 | len -= ret; | 284 | len -= ret; |
273 | p += ret; | 285 | p += ret; |
274 | } | 286 | } |
275 | if(rfunc) { | 287 | if (rfunc) { |
276 | ret = rfunc(value, arg); | 288 | ret = rfunc(value, arg); |
277 | if(ret <= 0) return ret; | 289 | if (ret <= 0) |
290 | return ret; | ||
278 | } | 291 | } |
279 | } | 292 | } |
280 | return 1; | 293 | return 1; |
@@ -284,7 +297,8 @@ static int traverse_string(const unsigned char *p, int len, int inform, | |||
284 | 297 | ||
285 | /* Just count number of characters */ | 298 | /* Just count number of characters */ |
286 | 299 | ||
287 | static int in_utf8(unsigned long value, void *arg) | 300 | static int |
301 | in_utf8(unsigned long value, void *arg) | ||
288 | { | 302 | { |
289 | int *nchar; | 303 | int *nchar; |
290 | nchar = arg; | 304 | nchar = arg; |
@@ -294,7 +308,8 @@ static int in_utf8(unsigned long value, void *arg) | |||
294 | 308 | ||
295 | /* Determine size of output as a UTF8 String */ | 309 | /* Determine size of output as a UTF8 String */ |
296 | 310 | ||
297 | static int out_utf8(unsigned long value, void *arg) | 311 | static int |
312 | out_utf8(unsigned long value, void *arg) | ||
298 | { | 313 | { |
299 | int *outlen; | 314 | int *outlen; |
300 | outlen = arg; | 315 | outlen = arg; |
@@ -306,28 +321,33 @@ static int out_utf8(unsigned long value, void *arg) | |||
306 | * supplied "mask". | 321 | * supplied "mask". |
307 | */ | 322 | */ |
308 | 323 | ||
309 | static int type_str(unsigned long value, void *arg) | 324 | static int |
325 | type_str(unsigned long value, void *arg) | ||
310 | { | 326 | { |
311 | unsigned long types; | 327 | unsigned long types; |
328 | |||
312 | types = *((unsigned long *)arg); | 329 | types = *((unsigned long *)arg); |
313 | if((types & B_ASN1_PRINTABLESTRING) && !is_printable(value)) | 330 | if ((types & B_ASN1_PRINTABLESTRING) && !is_printable(value)) |
314 | types &= ~B_ASN1_PRINTABLESTRING; | 331 | types &= ~B_ASN1_PRINTABLESTRING; |
315 | if((types & B_ASN1_IA5STRING) && (value > 127)) | 332 | if ((types & B_ASN1_IA5STRING) && (value > 127)) |
316 | types &= ~B_ASN1_IA5STRING; | 333 | types &= ~B_ASN1_IA5STRING; |
317 | if((types & B_ASN1_T61STRING) && (value > 0xff)) | 334 | if ((types & B_ASN1_T61STRING) && (value > 0xff)) |
318 | types &= ~B_ASN1_T61STRING; | 335 | types &= ~B_ASN1_T61STRING; |
319 | if((types & B_ASN1_BMPSTRING) && (value > 0xffff)) | 336 | if ((types & B_ASN1_BMPSTRING) && (value > 0xffff)) |
320 | types &= ~B_ASN1_BMPSTRING; | 337 | types &= ~B_ASN1_BMPSTRING; |
321 | if(!types) return -1; | 338 | if (!types) |
339 | return -1; | ||
322 | *((unsigned long *)arg) = types; | 340 | *((unsigned long *)arg) = types; |
323 | return 1; | 341 | return 1; |
324 | } | 342 | } |
325 | 343 | ||
326 | /* Copy one byte per character ASCII like strings */ | 344 | /* Copy one byte per character ASCII like strings */ |
327 | 345 | ||
328 | static int cpy_asc(unsigned long value, void *arg) | 346 | static int |
347 | cpy_asc(unsigned long value, void *arg) | ||
329 | { | 348 | { |
330 | unsigned char **p, *q; | 349 | unsigned char **p, *q; |
350 | |||
331 | p = arg; | 351 | p = arg; |
332 | q = *p; | 352 | q = *p; |
333 | *q = (unsigned char) value; | 353 | *q = (unsigned char) value; |
@@ -337,9 +357,11 @@ static int cpy_asc(unsigned long value, void *arg) | |||
337 | 357 | ||
338 | /* Copy two byte per character BMPStrings */ | 358 | /* Copy two byte per character BMPStrings */ |
339 | 359 | ||
340 | static int cpy_bmp(unsigned long value, void *arg) | 360 | static int |
361 | cpy_bmp(unsigned long value, void *arg) | ||
341 | { | 362 | { |
342 | unsigned char **p, *q; | 363 | unsigned char **p, *q; |
364 | |||
343 | p = arg; | 365 | p = arg; |
344 | q = *p; | 366 | q = *p; |
345 | *q++ = (unsigned char) ((value >> 8) & 0xff); | 367 | *q++ = (unsigned char) ((value >> 8) & 0xff); |
@@ -350,9 +372,11 @@ static int cpy_bmp(unsigned long value, void *arg) | |||
350 | 372 | ||
351 | /* Copy four byte per character UniversalStrings */ | 373 | /* Copy four byte per character UniversalStrings */ |
352 | 374 | ||
353 | static int cpy_univ(unsigned long value, void *arg) | 375 | static int |
376 | cpy_univ(unsigned long value, void *arg) | ||
354 | { | 377 | { |
355 | unsigned char **p, *q; | 378 | unsigned char **p, *q; |
379 | |||
356 | p = arg; | 380 | p = arg; |
357 | q = *p; | 381 | q = *p; |
358 | *q++ = (unsigned char) ((value >> 24) & 0xff); | 382 | *q++ = (unsigned char) ((value >> 24) & 0xff); |
@@ -365,9 +389,11 @@ static int cpy_univ(unsigned long value, void *arg) | |||
365 | 389 | ||
366 | /* Copy to a UTF8String */ | 390 | /* Copy to a UTF8String */ |
367 | 391 | ||
368 | static int cpy_utf8(unsigned long value, void *arg) | 392 | static int |
393 | cpy_utf8(unsigned long value, void *arg) | ||
369 | { | 394 | { |
370 | unsigned char **p; | 395 | unsigned char **p; |
396 | |||
371 | int ret; | 397 | int ret; |
372 | p = arg; | 398 | p = arg; |
373 | /* We already know there is enough room so pass 0xff as the length */ | 399 | /* We already know there is enough room so pass 0xff as the length */ |
@@ -377,17 +403,23 @@ static int cpy_utf8(unsigned long value, void *arg) | |||
377 | } | 403 | } |
378 | 404 | ||
379 | /* Return 1 if the character is permitted in a PrintableString */ | 405 | /* Return 1 if the character is permitted in a PrintableString */ |
380 | static int is_printable(unsigned long value) | 406 | static int |
407 | is_printable(unsigned long value) | ||
381 | { | 408 | { |
382 | int ch; | 409 | int ch; |
383 | if(value > 0x7f) return 0; | 410 | |
384 | ch = (int) value; | 411 | if (value > 0x7f) return 0; |
385 | /* Note: we can't use 'isalnum' because certain accented | 412 | ch = (int)value; |
413 | /* Note: we can't use 'isalnum' because certain accented | ||
386 | * characters may count as alphanumeric in some environments. | 414 | * characters may count as alphanumeric in some environments. |
387 | */ | 415 | */ |
388 | if((ch >= 'a') && (ch <= 'z')) return 1; | 416 | if ((ch >= 'a') && (ch <= 'z')) |
389 | if((ch >= 'A') && (ch <= 'Z')) return 1; | 417 | return 1; |
390 | if((ch >= '0') && (ch <= '9')) return 1; | 418 | if ((ch >= 'A') && (ch <= 'Z')) |
391 | if ((ch == ' ') || strchr("'()+,-./:=?", ch)) return 1; | 419 | return 1; |
420 | if ((ch >= '0') && (ch <= '9')) | ||
421 | return 1; | ||
422 | if ((ch == ' ') || strchr("'()+,-./:=?", ch)) | ||
423 | return 1; | ||
392 | return 0; | 424 | return 0; |
393 | } | 425 | } |