diff options
Diffstat (limited to 'fs/udf/unicode.c')
| -rw-r--r-- | fs/udf/unicode.c | 299 |
1 files changed, 135 insertions, 164 deletions
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index 706c92e1dcc9..46835240275c 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c | |||
| @@ -29,9 +29,9 @@ | |||
| 29 | 29 | ||
| 30 | static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int); | 30 | static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int); |
| 31 | 31 | ||
| 32 | static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen) | 32 | static int udf_char_to_ustr(struct ustr *dest, const uint8_t * src, int strlen) |
| 33 | { | 33 | { |
| 34 | if ( (!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN-2) ) | 34 | if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2)) |
| 35 | return 0; | 35 | return 0; |
| 36 | memset(dest, 0, sizeof(struct ustr)); | 36 | memset(dest, 0, sizeof(struct ustr)); |
| 37 | memcpy(dest->u_name, src, strlen); | 37 | memcpy(dest->u_name, src, strlen); |
| @@ -43,33 +43,33 @@ static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen) | |||
| 43 | /* | 43 | /* |
| 44 | * udf_build_ustr | 44 | * udf_build_ustr |
| 45 | */ | 45 | */ |
| 46 | int udf_build_ustr(struct ustr *dest, dstring *ptr, int size) | 46 | int udf_build_ustr(struct ustr *dest, dstring * ptr, int size) |
| 47 | { | 47 | { |
| 48 | int usesize; | 48 | int usesize; |
| 49 | 49 | ||
| 50 | if ( (!dest) || (!ptr) || (!size) ) | 50 | if ((!dest) || (!ptr) || (!size)) |
| 51 | return -1; | 51 | return -1; |
| 52 | 52 | ||
| 53 | memset(dest, 0, sizeof(struct ustr)); | 53 | memset(dest, 0, sizeof(struct ustr)); |
| 54 | usesize= (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size; | 54 | usesize = (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size; |
| 55 | dest->u_cmpID=ptr[0]; | 55 | dest->u_cmpID = ptr[0]; |
| 56 | dest->u_len=ptr[size-1]; | 56 | dest->u_len = ptr[size - 1]; |
| 57 | memcpy(dest->u_name, ptr+1, usesize-1); | 57 | memcpy(dest->u_name, ptr + 1, usesize - 1); |
| 58 | return 0; | 58 | return 0; |
| 59 | } | 59 | } |
| 60 | 60 | ||
| 61 | /* | 61 | /* |
| 62 | * udf_build_ustr_exact | 62 | * udf_build_ustr_exact |
| 63 | */ | 63 | */ |
| 64 | static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize) | 64 | static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize) |
| 65 | { | 65 | { |
| 66 | if ( (!dest) || (!ptr) || (!exactsize) ) | 66 | if ((!dest) || (!ptr) || (!exactsize)) |
| 67 | return -1; | 67 | return -1; |
| 68 | 68 | ||
| 69 | memset(dest, 0, sizeof(struct ustr)); | 69 | memset(dest, 0, sizeof(struct ustr)); |
| 70 | dest->u_cmpID=ptr[0]; | 70 | dest->u_cmpID = ptr[0]; |
| 71 | dest->u_len=exactsize-1; | 71 | dest->u_len = exactsize - 1; |
| 72 | memcpy(dest->u_name, ptr+1, exactsize-1); | 72 | memcpy(dest->u_name, ptr + 1, exactsize - 1); |
| 73 | return 0; | 73 | return 0; |
| 74 | } | 74 | } |
| 75 | 75 | ||
| @@ -108,22 +108,20 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) | |||
| 108 | cmp_id = ocu_i->u_cmpID; | 108 | cmp_id = ocu_i->u_cmpID; |
| 109 | utf_o->u_len = 0; | 109 | utf_o->u_len = 0; |
| 110 | 110 | ||
| 111 | if (ocu_len == 0) | 111 | if (ocu_len == 0) { |
| 112 | { | ||
| 113 | memset(utf_o, 0, sizeof(struct ustr)); | 112 | memset(utf_o, 0, sizeof(struct ustr)); |
| 114 | utf_o->u_cmpID = 0; | 113 | utf_o->u_cmpID = 0; |
| 115 | utf_o->u_len = 0; | 114 | utf_o->u_len = 0; |
| 116 | return 0; | 115 | return 0; |
| 117 | } | 116 | } |
| 118 | 117 | ||
| 119 | if ((cmp_id != 8) && (cmp_id != 16)) | 118 | if ((cmp_id != 8) && (cmp_id != 16)) { |
| 120 | { | 119 | printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", |
| 121 | printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name); | 120 | cmp_id, ocu_i->u_name); |
| 122 | return 0; | 121 | return 0; |
| 123 | } | 122 | } |
| 124 | 123 | ||
| 125 | for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;) | 124 | for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) { |
| 126 | { | ||
| 127 | 125 | ||
| 128 | /* Expand OSTA compressed Unicode to Unicode */ | 126 | /* Expand OSTA compressed Unicode to Unicode */ |
| 129 | c = ocu[i++]; | 127 | c = ocu[i++]; |
| @@ -132,20 +130,22 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) | |||
| 132 | 130 | ||
| 133 | /* Compress Unicode to UTF-8 */ | 131 | /* Compress Unicode to UTF-8 */ |
| 134 | if (c < 0x80U) | 132 | if (c < 0x80U) |
| 135 | utf_o->u_name[utf_o->u_len++] = (uint8_t)c; | 133 | utf_o->u_name[utf_o->u_len++] = (uint8_t) c; |
| 136 | else if (c < 0x800U) | 134 | else if (c < 0x800U) { |
| 137 | { | 135 | utf_o->u_name[utf_o->u_len++] = |
| 138 | utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6)); | 136 | (uint8_t) (0xc0 | (c >> 6)); |
| 139 | utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); | 137 | utf_o->u_name[utf_o->u_len++] = |
| 140 | } | 138 | (uint8_t) (0x80 | (c & 0x3f)); |
| 141 | else | 139 | } else { |
| 142 | { | 140 | utf_o->u_name[utf_o->u_len++] = |
| 143 | utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12)); | 141 | (uint8_t) (0xe0 | (c >> 12)); |
| 144 | utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f)); | 142 | utf_o->u_name[utf_o->u_len++] = |
| 145 | utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f)); | 143 | (uint8_t) (0x80 | ((c >> 6) & 0x3f)); |
| 144 | utf_o->u_name[utf_o->u_len++] = | ||
| 145 | (uint8_t) (0x80 | (c & 0x3f)); | ||
| 146 | } | 146 | } |
| 147 | } | 147 | } |
| 148 | utf_o->u_cmpID=8; | 148 | utf_o->u_cmpID = 8; |
| 149 | 149 | ||
| 150 | return utf_o->u_len; | 150 | return utf_o->u_len; |
| 151 | } | 151 | } |
| @@ -173,7 +173,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i) | |||
| 173 | * November 12, 1997 - Andrew E. Mileski | 173 | * November 12, 1997 - Andrew E. Mileski |
| 174 | * Written, tested, and released. | 174 | * Written, tested, and released. |
| 175 | */ | 175 | */ |
| 176 | static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length) | 176 | static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length) |
| 177 | { | 177 | { |
| 178 | unsigned c, i, max_val, utf_char; | 178 | unsigned c, i, max_val, utf_char; |
| 179 | int utf_cnt, u_len; | 179 | int utf_cnt, u_len; |
| @@ -182,53 +182,38 @@ static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length) | |||
| 182 | ocu[0] = 8; | 182 | ocu[0] = 8; |
| 183 | max_val = 0xffU; | 183 | max_val = 0xffU; |
| 184 | 184 | ||
| 185 | try_again: | 185 | try_again: |
| 186 | u_len = 0U; | 186 | u_len = 0U; |
| 187 | utf_char = 0U; | 187 | utf_char = 0U; |
| 188 | utf_cnt = 0U; | 188 | utf_cnt = 0U; |
| 189 | for (i = 0U; i < utf->u_len; i++) | 189 | for (i = 0U; i < utf->u_len; i++) { |
| 190 | { | 190 | c = (uint8_t) utf->u_name[i]; |
| 191 | c = (uint8_t)utf->u_name[i]; | ||
| 192 | 191 | ||
| 193 | /* Complete a multi-byte UTF-8 character */ | 192 | /* Complete a multi-byte UTF-8 character */ |
| 194 | if (utf_cnt) | 193 | if (utf_cnt) { |
| 195 | { | ||
| 196 | utf_char = (utf_char << 6) | (c & 0x3fU); | 194 | utf_char = (utf_char << 6) | (c & 0x3fU); |
| 197 | if (--utf_cnt) | 195 | if (--utf_cnt) |
| 198 | continue; | 196 | continue; |
| 199 | } | 197 | } else { |
| 200 | else | ||
| 201 | { | ||
| 202 | /* Check for a multi-byte UTF-8 character */ | 198 | /* Check for a multi-byte UTF-8 character */ |
| 203 | if (c & 0x80U) | 199 | if (c & 0x80U) { |
| 204 | { | ||
| 205 | /* Start a multi-byte UTF-8 character */ | 200 | /* Start a multi-byte UTF-8 character */ |
| 206 | if ((c & 0xe0U) == 0xc0U) | 201 | if ((c & 0xe0U) == 0xc0U) { |
| 207 | { | ||
| 208 | utf_char = c & 0x1fU; | 202 | utf_char = c & 0x1fU; |
| 209 | utf_cnt = 1; | 203 | utf_cnt = 1; |
| 210 | } | 204 | } else if ((c & 0xf0U) == 0xe0U) { |
| 211 | else if ((c & 0xf0U) == 0xe0U) | ||
| 212 | { | ||
| 213 | utf_char = c & 0x0fU; | 205 | utf_char = c & 0x0fU; |
| 214 | utf_cnt = 2; | 206 | utf_cnt = 2; |
| 215 | } | 207 | } else if ((c & 0xf8U) == 0xf0U) { |
| 216 | else if ((c & 0xf8U) == 0xf0U) | ||
| 217 | { | ||
| 218 | utf_char = c & 0x07U; | 208 | utf_char = c & 0x07U; |
| 219 | utf_cnt = 3; | 209 | utf_cnt = 3; |
| 220 | } | 210 | } else if ((c & 0xfcU) == 0xf8U) { |
| 221 | else if ((c & 0xfcU) == 0xf8U) | ||
| 222 | { | ||
| 223 | utf_char = c & 0x03U; | 211 | utf_char = c & 0x03U; |
| 224 | utf_cnt = 4; | 212 | utf_cnt = 4; |
| 225 | } | 213 | } else if ((c & 0xfeU) == 0xfcU) { |
| 226 | else if ((c & 0xfeU) == 0xfcU) | ||
| 227 | { | ||
| 228 | utf_char = c & 0x01U; | 214 | utf_char = c & 0x01U; |
| 229 | utf_cnt = 5; | 215 | utf_cnt = 5; |
| 230 | } | 216 | } else |
| 231 | else | ||
| 232 | goto error_out; | 217 | goto error_out; |
| 233 | continue; | 218 | continue; |
| 234 | } else | 219 | } else |
| @@ -237,37 +222,33 @@ try_again: | |||
| 237 | } | 222 | } |
| 238 | 223 | ||
| 239 | /* Choose no compression if necessary */ | 224 | /* Choose no compression if necessary */ |
| 240 | if (utf_char > max_val) | 225 | if (utf_char > max_val) { |
| 241 | { | 226 | if (0xffU == max_val) { |
| 242 | if ( 0xffU == max_val ) | ||
| 243 | { | ||
| 244 | max_val = 0xffffU; | 227 | max_val = 0xffffU; |
| 245 | ocu[0] = (uint8_t)0x10U; | 228 | ocu[0] = (uint8_t) 0x10U; |
| 246 | goto try_again; | 229 | goto try_again; |
| 247 | } | 230 | } |
| 248 | goto error_out; | 231 | goto error_out; |
| 249 | } | 232 | } |
| 250 | 233 | ||
| 251 | if (max_val == 0xffffU) | 234 | if (max_val == 0xffffU) { |
| 252 | { | 235 | ocu[++u_len] = (uint8_t) (utf_char >> 8); |
| 253 | ocu[++u_len] = (uint8_t)(utf_char >> 8); | ||
| 254 | } | 236 | } |
| 255 | ocu[++u_len] = (uint8_t)(utf_char & 0xffU); | 237 | ocu[++u_len] = (uint8_t) (utf_char & 0xffU); |
| 256 | } | 238 | } |
| 257 | 239 | ||
| 258 | 240 | if (utf_cnt) { | |
| 259 | if (utf_cnt) | 241 | error_out: |
| 260 | { | ||
| 261 | error_out: | ||
| 262 | ocu[++u_len] = '?'; | 242 | ocu[++u_len] = '?'; |
| 263 | printk(KERN_DEBUG "udf: bad UTF-8 character\n"); | 243 | printk(KERN_DEBUG "udf: bad UTF-8 character\n"); |
| 264 | } | 244 | } |
| 265 | 245 | ||
| 266 | ocu[length - 1] = (uint8_t)u_len + 1; | 246 | ocu[length - 1] = (uint8_t) u_len + 1; |
| 267 | return u_len + 1; | 247 | return u_len + 1; |
| 268 | } | 248 | } |
| 269 | 249 | ||
| 270 | static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr *ocu_i) | 250 | static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, |
| 251 | struct ustr *ocu_i) | ||
| 271 | { | 252 | { |
| 272 | uint8_t *ocu; | 253 | uint8_t *ocu; |
| 273 | uint32_t c; | 254 | uint32_t c; |
| @@ -280,36 +261,35 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr * | |||
| 280 | cmp_id = ocu_i->u_cmpID; | 261 | cmp_id = ocu_i->u_cmpID; |
| 281 | utf_o->u_len = 0; | 262 | utf_o->u_len = 0; |
| 282 | 263 | ||
| 283 | if (ocu_len == 0) | 264 | if (ocu_len == 0) { |
| 284 | { | ||
| 285 | memset(utf_o, 0, sizeof(struct ustr)); | 265 | memset(utf_o, 0, sizeof(struct ustr)); |
| 286 | utf_o->u_cmpID = 0; | 266 | utf_o->u_cmpID = 0; |
| 287 | utf_o->u_len = 0; | 267 | utf_o->u_len = 0; |
| 288 | return 0; | 268 | return 0; |
| 289 | } | 269 | } |
| 290 | 270 | ||
| 291 | if ((cmp_id != 8) && (cmp_id != 16)) | 271 | if ((cmp_id != 8) && (cmp_id != 16)) { |
| 292 | { | 272 | printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", |
| 293 | printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name); | 273 | cmp_id, ocu_i->u_name); |
| 294 | return 0; | 274 | return 0; |
| 295 | } | 275 | } |
| 296 | 276 | ||
| 297 | for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;) | 277 | for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) { |
| 298 | { | ||
| 299 | /* Expand OSTA compressed Unicode to Unicode */ | 278 | /* Expand OSTA compressed Unicode to Unicode */ |
| 300 | c = ocu[i++]; | 279 | c = ocu[i++]; |
| 301 | if (cmp_id == 16) | 280 | if (cmp_id == 16) |
| 302 | c = (c << 8) | ocu[i++]; | 281 | c = (c << 8) | ocu[i++]; |
| 303 | 282 | ||
| 304 | utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len], | 283 | utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len], |
| 305 | UDF_NAME_LEN - utf_o->u_len); | 284 | UDF_NAME_LEN - utf_o->u_len); |
| 306 | } | 285 | } |
| 307 | utf_o->u_cmpID=8; | 286 | utf_o->u_cmpID = 8; |
| 308 | 287 | ||
| 309 | return utf_o->u_len; | 288 | return utf_o->u_len; |
| 310 | } | 289 | } |
| 311 | 290 | ||
| 312 | static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, int length) | 291 | static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni, |
| 292 | int length) | ||
| 313 | { | 293 | { |
| 314 | unsigned len, i, max_val; | 294 | unsigned len, i, max_val; |
| 315 | uint16_t uni_char; | 295 | uint16_t uni_char; |
| @@ -319,93 +299,87 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, i | |||
| 319 | ocu[0] = 8; | 299 | ocu[0] = 8; |
| 320 | max_val = 0xffU; | 300 | max_val = 0xffU; |
| 321 | 301 | ||
| 322 | try_again: | 302 | try_again: |
| 323 | u_len = 0U; | 303 | u_len = 0U; |
| 324 | for (i = 0U; i < uni->u_len; i++) | 304 | for (i = 0U; i < uni->u_len; i++) { |
| 325 | { | 305 | len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char); |
| 326 | len = nls->char2uni(&uni->u_name[i], uni->u_len-i, &uni_char); | ||
| 327 | if (len <= 0) | 306 | if (len <= 0) |
| 328 | continue; | 307 | continue; |
| 329 | 308 | ||
| 330 | if (uni_char > max_val) | 309 | if (uni_char > max_val) { |
| 331 | { | ||
| 332 | max_val = 0xffffU; | 310 | max_val = 0xffffU; |
| 333 | ocu[0] = (uint8_t)0x10U; | 311 | ocu[0] = (uint8_t) 0x10U; |
| 334 | goto try_again; | 312 | goto try_again; |
| 335 | } | 313 | } |
| 336 | 314 | ||
| 337 | if (max_val == 0xffffU) | 315 | if (max_val == 0xffffU) |
| 338 | ocu[++u_len] = (uint8_t)(uni_char >> 8); | 316 | ocu[++u_len] = (uint8_t) (uni_char >> 8); |
| 339 | ocu[++u_len] = (uint8_t)(uni_char & 0xffU); | 317 | ocu[++u_len] = (uint8_t) (uni_char & 0xffU); |
| 340 | i += len - 1; | 318 | i += len - 1; |
| 341 | } | 319 | } |
| 342 | 320 | ||
| 343 | ocu[length - 1] = (uint8_t)u_len + 1; | 321 | ocu[length - 1] = (uint8_t) u_len + 1; |
| 344 | return u_len + 1; | 322 | return u_len + 1; |
| 345 | } | 323 | } |
| 346 | 324 | ||
| 347 | int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname, int flen) | 325 | int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname, |
| 326 | int flen) | ||
| 348 | { | 327 | { |
| 349 | struct ustr filename, unifilename; | 328 | struct ustr filename, unifilename; |
| 350 | int len; | 329 | int len; |
| 351 | 330 | ||
| 352 | if (udf_build_ustr_exact(&unifilename, sname, flen)) | 331 | if (udf_build_ustr_exact(&unifilename, sname, flen)) { |
| 353 | { | ||
| 354 | return 0; | 332 | return 0; |
| 355 | } | 333 | } |
| 356 | 334 | ||
| 357 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) | 335 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { |
| 358 | { | 336 | if (!udf_CS0toUTF8(&filename, &unifilename)) { |
| 359 | if (!udf_CS0toUTF8(&filename, &unifilename) ) | 337 | udf_debug("Failed in udf_get_filename: sname = %s\n", |
| 360 | { | 338 | sname); |
| 361 | udf_debug("Failed in udf_get_filename: sname = %s\n", sname); | ||
| 362 | return 0; | 339 | return 0; |
| 363 | } | 340 | } |
| 364 | } | 341 | } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { |
| 365 | else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) | 342 | if (!udf_CS0toNLS |
| 366 | { | 343 | (UDF_SB(sb)->s_nls_map, &filename, &unifilename)) { |
| 367 | if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename) ) | 344 | udf_debug("Failed in udf_get_filename: sname = %s\n", |
| 368 | { | 345 | sname); |
| 369 | udf_debug("Failed in udf_get_filename: sname = %s\n", sname); | ||
| 370 | return 0; | 346 | return 0; |
| 371 | } | 347 | } |
| 372 | } | 348 | } else |
| 373 | else | ||
| 374 | return 0; | 349 | return 0; |
| 375 | 350 | ||
| 376 | if ((len = udf_translate_to_linux(dname, filename.u_name, filename.u_len, | 351 | if ((len = |
| 377 | unifilename.u_name, unifilename.u_len))) | 352 | udf_translate_to_linux(dname, filename.u_name, filename.u_len, |
| 378 | { | 353 | unifilename.u_name, unifilename.u_len))) { |
| 379 | return len; | 354 | return len; |
| 380 | } | 355 | } |
| 381 | return 0; | 356 | return 0; |
| 382 | } | 357 | } |
| 383 | 358 | ||
| 384 | int udf_put_filename(struct super_block *sb, const uint8_t *sname, uint8_t *dname, int flen) | 359 | int udf_put_filename(struct super_block *sb, const uint8_t * sname, |
| 360 | uint8_t * dname, int flen) | ||
| 385 | { | 361 | { |
| 386 | struct ustr unifilename; | 362 | struct ustr unifilename; |
| 387 | int namelen; | 363 | int namelen; |
| 388 | 364 | ||
| 389 | if ( !(udf_char_to_ustr(&unifilename, sname, flen)) ) | 365 | if (!(udf_char_to_ustr(&unifilename, sname, flen))) { |
| 390 | { | ||
| 391 | return 0; | 366 | return 0; |
| 392 | } | 367 | } |
| 393 | 368 | ||
| 394 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) | 369 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) { |
| 395 | { | 370 | if (! |
| 396 | if ( !(namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN)) ) | 371 | (namelen = |
| 397 | { | 372 | udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN))) { |
| 398 | return 0; | 373 | return 0; |
| 399 | } | 374 | } |
| 400 | } | 375 | } else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) { |
| 401 | else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) | 376 | if (! |
| 402 | { | 377 | (namelen = |
| 403 | if ( !(namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN)) ) | 378 | udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, |
| 404 | { | 379 | UDF_NAME_LEN))) { |
| 405 | return 0; | 380 | return 0; |
| 406 | } | 381 | } |
| 407 | } | 382 | } else |
| 408 | else | ||
| 409 | return 0; | 383 | return 0; |
| 410 | 384 | ||
| 411 | return namelen; | 385 | return namelen; |
| @@ -416,40 +390,36 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname, uint8_t *dnam | |||
| 416 | #define CRC_MARK '#' | 390 | #define CRC_MARK '#' |
| 417 | #define EXT_SIZE 5 | 391 | #define EXT_SIZE 5 |
| 418 | 392 | ||
| 419 | static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, uint8_t *fidName, int fidNameLen) | 393 | static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName, |
| 394 | int udfLen, uint8_t * fidName, int fidNameLen) | ||
| 420 | { | 395 | { |
| 421 | int index, newIndex = 0, needsCRC = 0; | 396 | int index, newIndex = 0, needsCRC = 0; |
| 422 | int extIndex = 0, newExtIndex = 0, hasExt = 0; | 397 | int extIndex = 0, newExtIndex = 0, hasExt = 0; |
| 423 | unsigned short valueCRC; | 398 | unsigned short valueCRC; |
| 424 | uint8_t curr; | 399 | uint8_t curr; |
| 425 | const uint8_t hexChar[] = "0123456789ABCDEF"; | 400 | const uint8_t hexChar[] = "0123456789ABCDEF"; |
| 426 | 401 | ||
| 427 | if (udfName[0] == '.' && (udfLen == 1 || | 402 | if (udfName[0] == '.' && (udfLen == 1 || |
| 428 | (udfLen == 2 && udfName[1] == '.'))) | 403 | (udfLen == 2 && udfName[1] == '.'))) { |
| 429 | { | ||
| 430 | needsCRC = 1; | 404 | needsCRC = 1; |
| 431 | newIndex = udfLen; | 405 | newIndex = udfLen; |
| 432 | memcpy(newName, udfName, udfLen); | 406 | memcpy(newName, udfName, udfLen); |
| 433 | } | 407 | } else { |
| 434 | else | 408 | for (index = 0; index < udfLen; index++) { |
| 435 | { | ||
| 436 | for (index = 0; index < udfLen; index++) | ||
| 437 | { | ||
| 438 | curr = udfName[index]; | 409 | curr = udfName[index]; |
| 439 | if (curr == '/' || curr == 0) | 410 | if (curr == '/' || curr == 0) { |
| 440 | { | ||
| 441 | needsCRC = 1; | 411 | needsCRC = 1; |
| 442 | curr = ILLEGAL_CHAR_MARK; | 412 | curr = ILLEGAL_CHAR_MARK; |
| 443 | while (index+1 < udfLen && (udfName[index+1] == '/' || | 413 | while (index + 1 < udfLen |
| 444 | udfName[index+1] == 0)) | 414 | && (udfName[index + 1] == '/' |
| 415 | || udfName[index + 1] == 0)) | ||
| 445 | index++; | 416 | index++; |
| 446 | } | 417 | } |
| 447 | if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE) | 418 | if (curr == EXT_MARK |
| 448 | { | 419 | && (udfLen - index - 1) <= EXT_SIZE) { |
| 449 | if (udfLen == index + 1) | 420 | if (udfLen == index + 1) |
| 450 | hasExt = 0; | 421 | hasExt = 0; |
| 451 | else | 422 | else { |
| 452 | { | ||
| 453 | hasExt = 1; | 423 | hasExt = 1; |
| 454 | extIndex = index; | 424 | extIndex = index; |
| 455 | newExtIndex = newIndex; | 425 | newExtIndex = newIndex; |
| @@ -461,26 +431,29 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen | |||
| 461 | needsCRC = 1; | 431 | needsCRC = 1; |
| 462 | } | 432 | } |
| 463 | } | 433 | } |
| 464 | if (needsCRC) | 434 | if (needsCRC) { |
| 465 | { | ||
| 466 | uint8_t ext[EXT_SIZE]; | 435 | uint8_t ext[EXT_SIZE]; |
| 467 | int localExtIndex = 0; | 436 | int localExtIndex = 0; |
| 468 | 437 | ||
| 469 | if (hasExt) | 438 | if (hasExt) { |
| 470 | { | ||
| 471 | int maxFilenameLen; | 439 | int maxFilenameLen; |
| 472 | for(index = 0; index<EXT_SIZE && extIndex + index +1 < udfLen; | 440 | for (index = 0; |
| 473 | index++ ) | 441 | index < EXT_SIZE && extIndex + index + 1 < udfLen; |
| 474 | { | 442 | index++) { |
| 475 | curr = udfName[extIndex + index + 1]; | 443 | curr = udfName[extIndex + index + 1]; |
| 476 | 444 | ||
| 477 | if (curr == '/' || curr == 0) | 445 | if (curr == '/' || curr == 0) { |
| 478 | { | ||
| 479 | needsCRC = 1; | 446 | needsCRC = 1; |
| 480 | curr = ILLEGAL_CHAR_MARK; | 447 | curr = ILLEGAL_CHAR_MARK; |
| 481 | while(extIndex + index + 2 < udfLen && (index + 1 < EXT_SIZE | 448 | while (extIndex + index + 2 < udfLen |
| 482 | && (udfName[extIndex + index + 2] == '/' || | 449 | && (index + 1 < EXT_SIZE |
| 483 | udfName[extIndex + index + 2] == 0))) | 450 | && |
| 451 | (udfName | ||
| 452 | [extIndex + index + 2] == | ||
| 453 | '/' | ||
| 454 | || udfName[extIndex + | ||
| 455 | index + 2] == | ||
| 456 | 0))) | ||
| 484 | index++; | 457 | index++; |
| 485 | } | 458 | } |
| 486 | ext[localExtIndex++] = curr; | 459 | ext[localExtIndex++] = curr; |
| @@ -490,8 +463,7 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen | |||
| 490 | newIndex = maxFilenameLen; | 463 | newIndex = maxFilenameLen; |
| 491 | else | 464 | else |
| 492 | newIndex = newExtIndex; | 465 | newIndex = newExtIndex; |
| 493 | } | 466 | } else if (newIndex > 250) |
| 494 | else if (newIndex > 250) | ||
| 495 | newIndex = 250; | 467 | newIndex = 250; |
| 496 | newName[newIndex++] = CRC_MARK; | 468 | newName[newIndex++] = CRC_MARK; |
| 497 | valueCRC = udf_crc(fidName, fidNameLen, 0); | 469 | valueCRC = udf_crc(fidName, fidNameLen, 0); |
| @@ -500,10 +472,9 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen | |||
| 500 | newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4]; | 472 | newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4]; |
| 501 | newName[newIndex++] = hexChar[(valueCRC & 0x000f)]; | 473 | newName[newIndex++] = hexChar[(valueCRC & 0x000f)]; |
| 502 | 474 | ||
| 503 | if (hasExt) | 475 | if (hasExt) { |
| 504 | { | ||
| 505 | newName[newIndex++] = EXT_MARK; | 476 | newName[newIndex++] = EXT_MARK; |
| 506 | for (index = 0;index < localExtIndex ;index++ ) | 477 | for (index = 0; index < localExtIndex; index++) |
| 507 | newName[newIndex++] = ext[index]; | 478 | newName[newIndex++] = ext[index]; |
| 508 | } | 479 | } |
| 509 | } | 480 | } |
