vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include "asn1fix_internal.h" |
vlm | 8a09e0f | 2005-02-25 14:20:30 +0000 | [diff] [blame] | 2 | #include "asn1fix.h" |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 3 | |
| 4 | /* Print everything to stderr */ |
| 5 | static void _default_error_logger(int _severity, const char *fmt, ...); |
| 6 | |
| 7 | /* |
| 8 | * Internal check functions. |
| 9 | */ |
vlm | a57277e | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 10 | static int asn1f_fix_module__phase_1(arg_t *arg); |
| 11 | static int asn1f_fix_module__phase_2(arg_t *arg); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 12 | static int asn1f_fix_simple(arg_t *arg); /* For INTEGER/ENUMERATED */ |
| 13 | static int asn1f_fix_constructed(arg_t *arg); /* For SEQUENCE/SET/CHOICE */ |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 14 | static int asn1f_resolve_constraints(arg_t *arg); /* For subtype constraints */ |
| 15 | static int asn1f_check_constraints(arg_t *arg); /* For subtype constraints */ |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 16 | static int asn1f_check_duplicate(arg_t *arg); |
vlm | 97d50ee | 2005-03-04 09:02:27 +0000 | [diff] [blame] | 17 | static int asn1f_apply_unique_index(arg_t *arg); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 18 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 19 | arg_t a1f_replace_me_with_proper_interface_arg; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 20 | |
| 21 | /* |
| 22 | * Scan every module defined here in search for inconsistences. |
| 23 | */ |
| 24 | int |
| 25 | asn1f_process(asn1p_t *asn, enum asn1f_flags flags, |
| 26 | error_logger_f error_logger) { |
| 27 | arg_t arg; |
| 28 | int fatals = 0; |
| 29 | int warnings = 0; |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 30 | int ret; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * Check validity of arguments. |
| 34 | */ |
| 35 | if(asn == NULL) { |
| 36 | errno = EINVAL; |
| 37 | return -1; |
| 38 | } |
| 39 | |
| 40 | /* |
| 41 | * If errors handler is not specified, default to internal one. |
| 42 | */ |
| 43 | if(error_logger == 0) { |
| 44 | error_logger = _default_error_logger; |
| 45 | } |
| 46 | |
| 47 | memset(&arg, 0, sizeof(arg)); |
| 48 | arg.asn = asn; |
| 49 | arg.eh = error_logger; |
| 50 | |
| 51 | if(flags & A1F_DEBUG) { |
| 52 | arg.debug = arg.eh; |
| 53 | arg.debug(-1, "Called %s() with flags %d", __func__, flags); |
| 54 | flags &= ~A1F_DEBUG; |
| 55 | } |
| 56 | |
vlm | d8d9035 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 57 | /* Allow SIZE() constraint for INTEGER and other types */ |
| 58 | if(flags & A1F_EXTENDED_SizeConstraint) { |
| 59 | arg.flags |= A1F_EXTENDED_SizeConstraint; |
| 60 | flags &= ~A1F_EXTENDED_SizeConstraint; |
| 61 | if(arg.debug) { |
| 62 | arg.debug(-1, |
| 63 | "Extended SizeConstraint support enabled"); |
| 64 | } |
| 65 | } |
| 66 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 67 | a1f_replace_me_with_proper_interface_arg = arg; |
| 68 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 69 | /* |
| 70 | * Check that we haven't missed an unknown flag. |
| 71 | */ |
| 72 | if(flags) { |
| 73 | errno = EINVAL; |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * Process each module in the list. |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 79 | * PHASE I. |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 80 | */ |
| 81 | TQ_FOR(arg.mod, &(asn->modules), mod_next) { |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 82 | ret = asn1f_fix_module__phase_1(&arg); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 83 | /* |
| 84 | * These lines are used for illustration purposes. |
| 85 | * RET2RVAL() is used everywhere else. |
| 86 | */ |
| 87 | if(ret == -1) fatals++; |
| 88 | if(ret == 1) warnings++; |
| 89 | } |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 90 | /* PHASE II. */ |
vlm | a57277e | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 91 | TQ_FOR(arg.mod, &(asn->modules), mod_next) { |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 92 | ret = asn1f_fix_module__phase_2(&arg); |
vlm | a57277e | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 93 | if(ret == -1) fatals++; |
| 94 | if(ret == 1) warnings++; |
| 95 | } |
| 96 | |
| 97 | memset(&a1f_replace_me_with_proper_interface_arg, 0, sizeof(arg_t)); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 98 | |
| 99 | /* |
| 100 | * Compute a return value. |
| 101 | */ |
| 102 | return fatals?-1:warnings?1:0; |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | * Check the internals of a single module. |
| 107 | */ |
| 108 | static int |
vlm | a57277e | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 109 | asn1f_fix_module__phase_1(arg_t *arg) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 110 | asn1p_expr_t *expr; |
| 111 | int rvalue = 0; |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 112 | int ret; |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 113 | asn1p_module_t *omod; |
| 114 | |
| 115 | /* |
| 116 | * Check that we don't have a similarly named module. |
| 117 | */ |
| 118 | TQ_FOR(omod, &arg->asn->modules, mod_next) { |
| 119 | int sameNames; |
| 120 | if(omod == arg->mod) break; |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 121 | sameNames = strcmp(omod->ModuleName, arg->mod->ModuleName)?0:1; |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 122 | if(omod->module_oid && arg->mod->module_oid) { |
| 123 | /* Compare only the OID. */ |
| 124 | if(asn1p_oid_compare(omod->module_oid, |
| 125 | arg->mod->module_oid) == 0) { |
vlm | f1b8af6 | 2005-03-18 04:26:12 +0000 | [diff] [blame] | 126 | FATAL("ASN.1 module %s in %s " |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 127 | "has the same OBJECT IDENTIFIER" |
vlm | f1b8af6 | 2005-03-18 04:26:12 +0000 | [diff] [blame] | 128 | " as module %s", |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 129 | omod->ModuleName, |
vlm | f1b8af6 | 2005-03-18 04:26:12 +0000 | [diff] [blame] | 130 | omod->source_file_name, |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 131 | arg->mod->ModuleName |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 132 | ); |
| 133 | RET2RVAL(-1, rvalue); |
| 134 | } else if(sameNames) { |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 135 | WARNING("ASN.1 module %s is defined more than once, with different OIDs", omod->ModuleName); |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 136 | RET2RVAL(1, rvalue); |
| 137 | } |
| 138 | } else if(sameNames) { |
| 139 | FATAL("ASN.1 module %s is defined more than once", |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 140 | omod->ModuleName); |
vlm | 7543c8a | 2005-03-18 04:22:41 +0000 | [diff] [blame] | 141 | RET2RVAL(-1, rvalue); |
| 142 | } |
| 143 | } |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 144 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 145 | switch((arg->mod->module_flags & MSF_MASK_TAGS)) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 146 | case MSF_NOFLAGS: |
| 147 | case MSF_EXPLICIT_TAGS: |
| 148 | case MSF_IMPLICIT_TAGS: |
| 149 | case MSF_AUTOMATIC_TAGS: |
| 150 | break; |
| 151 | default: |
| 152 | FATAL("Module %s defined with ambiguous global tagging mode", |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 153 | arg->mod->ModuleName); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 154 | RET2RVAL(-1, rvalue); |
| 155 | } |
| 156 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 157 | switch((arg->mod->module_flags & MSF_MASK_INSTRUCTIONS)) { |
| 158 | case MSF_NOFLAGS: |
vlm | f645aff | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 159 | /* |
| 160 | * arg->mod->module_flags |= MSF_TAG_INSTRUCTIONS; |
| 161 | */ |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 162 | break; |
| 163 | case MSF_unk_INSTRUCTIONS: |
| 164 | WARNING("Module %s defined with unrecognized " |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 165 | "encoding reference", arg->mod->ModuleName); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 166 | RET2RVAL(1, rvalue); |
| 167 | /* Fall through */ |
| 168 | case MSF_TAG_INSTRUCTIONS: |
| 169 | case MSF_XER_INSTRUCTIONS: |
| 170 | break; |
| 171 | default: |
| 172 | FATAL("Module %s defined with ambiguous encoding reference", |
vlm | 931aeed | 2005-08-12 10:09:10 +0000 | [diff] [blame] | 173 | arg->mod->ModuleName); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 174 | RET2RVAL(-1, rvalue); |
| 175 | } |
| 176 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 177 | /* |
| 178 | * Do various non-recursive transformations. |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 179 | */ |
| 180 | TQ_FOR(expr, &(arg->mod->members), next) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 181 | arg->expr = expr; |
| 182 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 183 | /* Check whether this type is a duplicate */ |
| 184 | ret = asn1f_check_duplicate(arg); |
| 185 | RET2RVAL(ret, rvalue); |
| 186 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 187 | if(expr->meta_type == AMT_PARAMTYPE) |
| 188 | /* Do not process the parametrized type just yet */ |
| 189 | continue; |
| 190 | |
| 191 | DEBUG("=== Now processing \"%s\" at line %d ===", |
| 192 | expr->Identifier, expr->_lineno); |
| 193 | assert(expr->meta_type != AMT_INVALID); |
| 194 | |
| 195 | /* |
| 196 | * 2.1 Pre-process simple types (ENUMERATED, INTEGER, etc). |
| 197 | */ |
| 198 | ret = asn1f_recurse_expr(arg, asn1f_fix_simple); |
| 199 | RET2RVAL(ret, rvalue); |
| 200 | |
| 201 | /* |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 202 | * 2.5.4 |
| 203 | */ |
| 204 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_types); |
| 205 | RET2RVAL(ret, rvalue); |
| 206 | |
| 207 | /* |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 208 | * Fix tagging of top-level types. |
| 209 | */ |
| 210 | ret = asn1f_fix_constr_tag(arg, 1); |
| 211 | RET2RVAL(ret, rvalue); |
| 212 | |
| 213 | /* |
| 214 | * 2.[234] Process SEQUENCE/SET/CHOICE types. |
| 215 | */ |
| 216 | ret = asn1f_recurse_expr(arg, asn1f_fix_constructed); |
| 217 | RET2RVAL(ret, rvalue); |
| 218 | |
| 219 | /* |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 220 | * 2.5.5 |
| 221 | */ |
| 222 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_values); |
| 223 | RET2RVAL(ret, rvalue); |
| 224 | |
| 225 | /* |
vlm | 51aed88 | 2006-03-14 15:53:59 +0000 | [diff] [blame] | 226 | * Parse WITH SYNTAX in CLASSes. |
| 227 | */ |
| 228 | ret = asn1f_parse_class_with_syntax(arg); |
| 229 | |
| 230 | /* |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 231 | * Resolve references in constraints. |
| 232 | */ |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 233 | ret = asn1f_recurse_expr(arg, asn1f_resolve_constraints); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 234 | RET2RVAL(ret, rvalue); |
| 235 | |
| 236 | /* |
| 237 | * 6. INTEGER value processed at 2.5.4. |
| 238 | */ |
| 239 | |
| 240 | /* |
| 241 | * Make sure everybody's behaving well. |
| 242 | */ |
| 243 | assert(arg->expr == expr); |
| 244 | } |
| 245 | |
| 246 | /* |
| 247 | * 5. Automatic tagging |
| 248 | */ |
| 249 | TQ_FOR(expr, &(arg->mod->members), next) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 250 | |
| 251 | arg->expr = expr; |
| 252 | |
| 253 | ret = asn1f_recurse_expr(arg, asn1f_fix_constr_autotag); |
| 254 | RET2RVAL(ret, rvalue); |
| 255 | |
| 256 | assert(arg->expr == expr); |
| 257 | } |
| 258 | |
| 259 | /* |
| 260 | * 8. fix BIT STRING |
| 261 | * 9. fix spaces in cstrings |
| 262 | */ |
| 263 | TQ_FOR(expr, &(arg->mod->members), next) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 264 | arg->expr = expr; |
| 265 | |
| 266 | ret = asn1f_recurse_expr(arg, asn1f_fix_bit_string); |
| 267 | RET2RVAL(ret, rvalue); |
| 268 | |
| 269 | ret = asn1f_recurse_expr(arg, asn1f_fix_cstring); |
| 270 | RET2RVAL(ret, rvalue); |
| 271 | |
| 272 | assert(arg->expr == expr); |
| 273 | } |
| 274 | |
| 275 | /* |
| 276 | * ... Check for tags distinctness. |
| 277 | */ |
| 278 | TQ_FOR(expr, &(arg->mod->members), next) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 279 | arg->expr = expr; |
| 280 | |
| 281 | ret = asn1f_recurse_expr(arg, asn1f_check_constr_tags_distinct); |
| 282 | RET2RVAL(ret, rvalue); |
| 283 | |
| 284 | assert(arg->expr == expr); |
| 285 | } |
| 286 | |
vlm | a57277e | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 287 | return rvalue; |
| 288 | } |
| 289 | |
| 290 | static int |
| 291 | asn1f_fix_module__phase_2(arg_t *arg) { |
| 292 | asn1p_expr_t *expr; |
| 293 | int rvalue = 0; |
| 294 | int ret; |
| 295 | |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 296 | TQ_FOR(expr, &(arg->mod->members), next) { |
| 297 | arg->expr = expr; |
| 298 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 299 | if(expr->meta_type == AMT_PARAMTYPE) |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 300 | /* Do not process the parametrized types here */ |
| 301 | continue; |
| 302 | |
vlm | 3a3a0dd | 2004-09-29 13:17:06 +0000 | [diff] [blame] | 303 | /* |
vlm | 7972927 | 2004-10-31 00:11:50 +0000 | [diff] [blame] | 304 | * Dereference DEFAULT values. |
| 305 | */ |
| 306 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_defaults); |
| 307 | RET2RVAL(ret, rvalue); |
| 308 | |
| 309 | /* |
vlm | 3a3a0dd | 2004-09-29 13:17:06 +0000 | [diff] [blame] | 310 | * Check semantic validity of constraints. |
| 311 | */ |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 312 | ret = asn1f_recurse_expr(arg, asn1f_check_constraints); |
| 313 | RET2RVAL(ret, rvalue); |
| 314 | |
vlm | 97d50ee | 2005-03-04 09:02:27 +0000 | [diff] [blame] | 315 | /* |
| 316 | * Uniquely tag each inner type. |
| 317 | */ |
| 318 | asn1f_apply_unique_index(0); |
| 319 | ret = asn1f_recurse_expr(arg, asn1f_apply_unique_index); |
| 320 | RET2RVAL(ret, rvalue); |
| 321 | |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 322 | assert(arg->expr == expr); |
| 323 | } |
| 324 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 325 | return rvalue; |
| 326 | } |
| 327 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 328 | static int |
| 329 | asn1f_fix_simple(arg_t *arg) { |
| 330 | int rvalue = 0; |
| 331 | int ret; |
| 332 | |
| 333 | ret = asn1f_fix_enum(arg); |
| 334 | RET2RVAL(ret, rvalue); |
| 335 | |
| 336 | ret = asn1f_fix_integer(arg); |
| 337 | RET2RVAL(ret, rvalue); |
| 338 | |
| 339 | return rvalue; |
| 340 | } |
| 341 | |
| 342 | static int |
| 343 | asn1f_fix_constructed(arg_t *arg) { |
| 344 | int rvalue = 0; |
| 345 | int ret; |
| 346 | |
| 347 | switch(arg->expr->expr_type) { |
| 348 | case ASN_CONSTR_SEQUENCE: |
| 349 | case ASN_CONSTR_SET: |
| 350 | case ASN_CONSTR_CHOICE: |
| 351 | break; |
| 352 | default: |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | /* Check identifier distinctness */ |
| 357 | ret = asn1f_check_unique_expr(arg, NULL); |
| 358 | RET2RVAL(ret, rvalue); |
| 359 | |
| 360 | /* Fix extensibility */ |
| 361 | ret = asn1f_fix_constr_ext(arg); |
| 362 | RET2RVAL(ret, rvalue); |
| 363 | |
| 364 | /* Fix tagging */ |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 365 | ret = asn1f_fix_constr_tag(arg, 0); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 366 | RET2RVAL(ret, rvalue); |
| 367 | |
vlm | f645aff | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 368 | /* Import COMPONENTS OF stuff */ |
| 369 | ret = asn1f_pull_components_of(arg); |
| 370 | RET2RVAL(ret, rvalue); |
| 371 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 372 | return rvalue; |
| 373 | } |
| 374 | |
| 375 | static int |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 376 | asn1f_resolve_constraints(arg_t *arg) { |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 377 | asn1p_expr_t *top_parent; |
vlm | d8d9035 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 378 | asn1p_expr_type_e etype; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 379 | int rvalue = 0; |
| 380 | int ret; |
| 381 | |
vlm | f645aff | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 382 | top_parent = asn1f_find_terminal_type(arg, arg->expr); |
vlm | d8d9035 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 383 | if(top_parent) |
| 384 | etype = top_parent->expr_type; |
| 385 | else etype = A1TC_INVALID; |
| 386 | |
vlm | fd24593 | 2005-03-10 10:02:50 +0000 | [diff] [blame] | 387 | DEBUG("(%s)", arg->expr->Identifier); |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 388 | |
vlm | 53832f1 | 2005-03-20 12:57:21 +0000 | [diff] [blame] | 389 | ret = asn1constraint_resolve(arg, arg->expr->constraints, etype, 0); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 390 | RET2RVAL(ret, rvalue); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 391 | |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 392 | return rvalue; |
| 393 | } |
| 394 | |
| 395 | static int |
| 396 | asn1f_check_constraints(arg_t *arg) { |
| 397 | static enum asn1p_constraint_type_e test_types[] = { |
| 398 | ACT_EL_RANGE, ACT_CT_SIZE, ACT_CT_FROM }; |
| 399 | asn1p_expr_t *top_parent; |
| 400 | asn1cnst_range_t *range; |
| 401 | asn1p_expr_type_e etype; |
| 402 | unsigned int i; |
| 403 | int rvalue = 0; |
| 404 | int ret; |
| 405 | |
vlm | fd24593 | 2005-03-10 10:02:50 +0000 | [diff] [blame] | 406 | DEBUG("(%s{%d/%d})", |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 407 | arg->expr->Identifier, |
| 408 | arg->expr->meta_type, arg->expr->expr_type); |
| 409 | |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 410 | top_parent = asn1f_find_terminal_type(arg, arg->expr); |
| 411 | if(!top_parent) |
| 412 | return 0; |
| 413 | etype = top_parent->expr_type; |
| 414 | |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 415 | ret = asn1constraint_pullup(arg); |
| 416 | RET2RVAL(ret, rvalue); |
| 417 | |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 418 | for(i = 0; i < sizeof(test_types)/sizeof(test_types[0]); i++) { |
| 419 | range = asn1constraint_compute_PER_range( |
vlm | 1b406f5 | 2004-08-25 02:04:39 +0000 | [diff] [blame] | 420 | etype, |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 421 | arg->expr->combined_constraints, |
vlm | 2702858 | 2005-08-14 14:45:44 +0000 | [diff] [blame] | 422 | test_types[i], 0, 0, |
| 423 | CPR_noflags /* ignore -fbless-SIZE */); |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 424 | if(!range && errno == EPERM) { |
vlm | 8fba257 | 2005-03-10 11:27:13 +0000 | [diff] [blame] | 425 | FATAL("This error happened for \"%s\" (meta %d) " |
| 426 | "at line %d", |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 427 | arg->expr->Identifier, |
| 428 | arg->expr->meta_type, |
| 429 | arg->expr->_lineno); |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 430 | return -1; |
vlm | 7614245 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 431 | } |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 432 | asn1constraint_range_free(range); |
vlm | b5be8c3 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 433 | } |
vlm | b6fd3b2 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 434 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 435 | return rvalue; |
| 436 | } |
| 437 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 438 | static int |
| 439 | asn1f_check_duplicate(arg_t *arg) { |
| 440 | arg_t tmparg = *arg; |
vlm | dc7cf04 | 2006-03-09 08:49:26 +0000 | [diff] [blame] | 441 | int rvalue = 0; |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 442 | |
| 443 | /* |
| 444 | * This is a linear scan in search of a similar type. |
| 445 | * The linear scan is just fine for the task, no need to over-optimize. |
| 446 | */ |
| 447 | TQ_FOR(tmparg.mod, &arg->asn->modules, mod_next) { |
vlm | 71d3ddb | 2006-03-07 10:39:42 +0000 | [diff] [blame] | 448 | int critical = 1; /* FATAL */ |
| 449 | |
| 450 | if((arg->mod->_tags & MT_STANDARD_MODULE) |
| 451 | != (tmparg.mod->_tags & MT_STANDARD_MODULE)) { |
| 452 | /* Ignore clashes with standard module */ |
| 453 | critical = 0; /* WARNING */ |
| 454 | } |
| 455 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 456 | TQ_FOR(tmparg.expr, &(tmparg.mod->members), next) { |
vlm | 71d3ddb | 2006-03-07 10:39:42 +0000 | [diff] [blame] | 457 | int diff_files; /* different files */ |
| 458 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 459 | assert(tmparg.expr->Identifier); |
| 460 | assert(arg->expr->Identifier); |
vlm | 71d3ddb | 2006-03-07 10:39:42 +0000 | [diff] [blame] | 461 | |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 462 | if(tmparg.expr == arg->expr) break; |
| 463 | |
| 464 | if(strcmp(tmparg.expr->Identifier, |
vlm | 71d3ddb | 2006-03-07 10:39:42 +0000 | [diff] [blame] | 465 | arg->expr->Identifier)) |
| 466 | continue; |
| 467 | |
| 468 | diff_files = strcmp(arg->mod->source_file_name, |
| 469 | tmparg.mod->source_file_name) ? 1 : 0; |
| 470 | |
| 471 | LOG(critical, |
| 472 | "ASN.1 expression \"%s\" at line %d of module %s\n" |
| 473 | "clashes with expression \"%s\" at line %d of module %s" |
| 474 | "%s%s%s.\n" |
| 475 | "Please rename either instance to resolve the conflict", |
| 476 | arg->expr->Identifier, |
| 477 | arg->expr->_lineno, |
| 478 | arg->mod->ModuleName, |
| 479 | tmparg.expr->Identifier, |
| 480 | tmparg.expr->_lineno, |
| 481 | tmparg.mod->ModuleName, |
| 482 | diff_files ? " (" : "", |
| 483 | diff_files ? tmparg.mod->source_file_name : "", |
| 484 | diff_files ? ")" : ""); |
| 485 | if(critical) |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 486 | return -1; |
vlm | dc7cf04 | 2006-03-09 08:49:26 +0000 | [diff] [blame] | 487 | RET2RVAL(1, rvalue); |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 488 | } |
| 489 | if(tmparg.mod == arg->mod) break; |
| 490 | } |
| 491 | |
vlm | dc7cf04 | 2006-03-09 08:49:26 +0000 | [diff] [blame] | 492 | return rvalue; |
vlm | 5a7280d | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 493 | } |
| 494 | |
vlm | 97d50ee | 2005-03-04 09:02:27 +0000 | [diff] [blame] | 495 | static int |
| 496 | asn1f_apply_unique_index(arg_t *arg) { |
| 497 | static int unique_index; |
| 498 | if(!arg) { unique_index = 0; return 0; } |
| 499 | |
vlm | 97d50ee | 2005-03-04 09:02:27 +0000 | [diff] [blame] | 500 | arg->expr->_type_unique_index = ++unique_index; |
| 501 | |
| 502 | return 0; |
| 503 | } |
| 504 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 505 | /* |
| 506 | * Print everything to stderr |
| 507 | */ |
| 508 | static void |
| 509 | _default_error_logger(int _severity, const char *fmt, ...) { |
| 510 | va_list ap; |
| 511 | char *pfx = ""; |
| 512 | |
| 513 | switch(_severity) { |
| 514 | case -1: pfx = "DEBUG: "; break; |
| 515 | case 0: pfx = "WARNING: "; break; |
| 516 | case 1: pfx = "FATAL: "; break; |
| 517 | } |
| 518 | |
| 519 | fprintf(stderr, "%s", pfx); |
| 520 | va_start(ap, fmt); |
| 521 | vfprintf(stderr, fmt, ap); |
| 522 | va_end(ap); |
| 523 | fprintf(stderr, "\n"); |
| 524 | } |