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| 1 /* crypto/conf/conf.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 /* Part of the code in here was originally in conf.c, which is now removed */ | |
| 60 | |
| 61 #include <stdio.h> | |
| 62 #include <string.h> | |
| 63 #include "cryptlib.h" | |
| 64 #include <openssl/stack.h> | |
| 65 #include <openssl/lhash.h> | |
| 66 #include <openssl/conf.h> | |
| 67 #include <openssl/conf_api.h> | |
| 68 #include "conf_def.h" | |
| 69 #include <openssl/buffer.h> | |
| 70 #include <openssl/err.h> | |
| 71 | |
| 72 static char *eat_ws(CONF *conf, char *p); | |
| 73 static char *eat_alpha_numeric(CONF *conf, char *p); | |
| 74 static void clear_comments(CONF *conf, char *p); | |
| 75 static int str_copy(CONF *conf,char *section,char **to, char *from); | |
| 76 static char *scan_quote(CONF *conf, char *p); | |
| 77 static char *scan_dquote(CONF *conf, char *p); | |
| 78 #define scan_esc(conf,p) (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2))) | |
| 79 | |
| 80 static CONF *def_create(CONF_METHOD *meth); | |
| 81 static int def_init_default(CONF *conf); | |
| 82 static int def_init_WIN32(CONF *conf); | |
| 83 static int def_destroy(CONF *conf); | |
| 84 static int def_destroy_data(CONF *conf); | |
| 85 static int def_load(CONF *conf, const char *name, long *eline); | |
| 86 static int def_load_bio(CONF *conf, BIO *bp, long *eline); | |
| 87 static int def_dump(const CONF *conf, BIO *bp); | |
| 88 static int def_is_number(const CONF *conf, char c); | |
| 89 static int def_to_int(const CONF *conf, char c); | |
| 90 | |
| 91 const char CONF_def_version[]="CONF_def" OPENSSL_VERSION_PTEXT; | |
| 92 | |
| 93 static CONF_METHOD default_method = { | |
| 94 "OpenSSL default", | |
| 95 def_create, | |
| 96 def_init_default, | |
| 97 def_destroy, | |
| 98 def_destroy_data, | |
| 99 def_load_bio, | |
| 100 def_dump, | |
| 101 def_is_number, | |
| 102 def_to_int, | |
| 103 def_load | |
| 104 }; | |
| 105 | |
| 106 static CONF_METHOD WIN32_method = { | |
| 107 "WIN32", | |
| 108 def_create, | |
| 109 def_init_WIN32, | |
| 110 def_destroy, | |
| 111 def_destroy_data, | |
| 112 def_load_bio, | |
| 113 def_dump, | |
| 114 def_is_number, | |
| 115 def_to_int, | |
| 116 def_load | |
| 117 }; | |
| 118 | |
| 119 CONF_METHOD *NCONF_default() | |
| 120 { | |
| 121 return &default_method; | |
| 122 } | |
| 123 CONF_METHOD *NCONF_WIN32() | |
| 124 { | |
| 125 return &WIN32_method; | |
| 126 } | |
| 127 | |
| 128 static CONF *def_create(CONF_METHOD *meth) | |
| 129 { | |
| 130 CONF *ret; | |
| 131 | |
| 132 ret = OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *)); | |
| 133 if (ret) | |
| 134 if (meth->init(ret) == 0) | |
| 135 { | |
| 136 OPENSSL_free(ret); | |
| 137 ret = NULL; | |
| 138 } | |
| 139 return ret; | |
| 140 } | |
| 141 | |
| 142 static int def_init_default(CONF *conf) | |
| 143 { | |
| 144 if (conf == NULL) | |
| 145 return 0; | |
| 146 | |
| 147 conf->meth = &default_method; | |
| 148 conf->meth_data = CONF_type_default; | |
| 149 conf->data = NULL; | |
| 150 | |
| 151 return 1; | |
| 152 } | |
| 153 | |
| 154 static int def_init_WIN32(CONF *conf) | |
| 155 { | |
| 156 if (conf == NULL) | |
| 157 return 0; | |
| 158 | |
| 159 conf->meth = &WIN32_method; | |
| 160 conf->meth_data = (void *)CONF_type_win32; | |
| 161 conf->data = NULL; | |
| 162 | |
| 163 return 1; | |
| 164 } | |
| 165 | |
| 166 static int def_destroy(CONF *conf) | |
| 167 { | |
| 168 if (def_destroy_data(conf)) | |
| 169 { | |
| 170 OPENSSL_free(conf); | |
| 171 return 1; | |
| 172 } | |
| 173 return 0; | |
| 174 } | |
| 175 | |
| 176 static int def_destroy_data(CONF *conf) | |
| 177 { | |
| 178 if (conf == NULL) | |
| 179 return 0; | |
| 180 _CONF_free_data(conf); | |
| 181 return 1; | |
| 182 } | |
| 183 | |
| 184 static int def_load(CONF *conf, const char *name, long *line) | |
| 185 { | |
| 186 int ret; | |
| 187 BIO *in=NULL; | |
| 188 | |
| 189 #ifdef OPENSSL_SYS_VMS | |
| 190 in=BIO_new_file(name, "r"); | |
| 191 #else | |
| 192 in=BIO_new_file(name, "rb"); | |
| 193 #endif | |
| 194 if (in == NULL) | |
| 195 { | |
| 196 if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE) | |
| 197 CONFerr(CONF_F_DEF_LOAD,CONF_R_NO_SUCH_FILE); | |
| 198 else | |
| 199 CONFerr(CONF_F_DEF_LOAD,ERR_R_SYS_LIB); | |
| 200 return 0; | |
| 201 } | |
| 202 | |
| 203 ret = def_load_bio(conf, in, line); | |
| 204 BIO_free(in); | |
| 205 | |
| 206 return ret; | |
| 207 } | |
| 208 | |
| 209 static int def_load_bio(CONF *conf, BIO *in, long *line) | |
| 210 { | |
| 211 /* The macro BUFSIZE conflicts with a system macro in VxWorks */ | |
| 212 #define CONFBUFSIZE 512 | |
| 213 int bufnum=0,i,ii; | |
| 214 BUF_MEM *buff=NULL; | |
| 215 char *s,*p,*end; | |
| 216 int again; | |
| 217 long eline=0; | |
| 218 char btmp[DECIMAL_SIZE(eline)+1]; | |
| 219 CONF_VALUE *v=NULL,*tv; | |
| 220 CONF_VALUE *sv=NULL; | |
| 221 char *section=NULL,*buf; | |
| 222 char *start,*psection,*pname; | |
| 223 void *h = (void *)(conf->data); | |
| 224 | |
| 225 if ((buff=BUF_MEM_new()) == NULL) | |
| 226 { | |
| 227 CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_BUF_LIB); | |
| 228 goto err; | |
| 229 } | |
| 230 | |
| 231 section=(char *)OPENSSL_malloc(10); | |
| 232 if (section == NULL) | |
| 233 { | |
| 234 CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE); | |
| 235 goto err; | |
| 236 } | |
| 237 BUF_strlcpy(section,"default",10); | |
| 238 | |
| 239 if (_CONF_new_data(conf) == 0) | |
| 240 { | |
| 241 CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE); | |
| 242 goto err; | |
| 243 } | |
| 244 | |
| 245 sv=_CONF_new_section(conf,section); | |
| 246 if (sv == NULL) | |
| 247 { | |
| 248 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 249 CONF_R_UNABLE_TO_CREATE_NEW_SECTION); | |
| 250 goto err; | |
| 251 } | |
| 252 | |
| 253 bufnum=0; | |
| 254 again=0; | |
| 255 for (;;) | |
| 256 { | |
| 257 if (!BUF_MEM_grow(buff,bufnum+CONFBUFSIZE)) | |
| 258 { | |
| 259 CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_BUF_LIB); | |
| 260 goto err; | |
| 261 } | |
| 262 p= &(buff->data[bufnum]); | |
| 263 *p='\0'; | |
| 264 BIO_gets(in, p, CONFBUFSIZE-1); | |
| 265 p[CONFBUFSIZE-1]='\0'; | |
| 266 ii=i=strlen(p); | |
| 267 if (i == 0 && !again) break; | |
| 268 again=0; | |
| 269 while (i > 0) | |
| 270 { | |
| 271 if ((p[i-1] != '\r') && (p[i-1] != '\n')) | |
| 272 break; | |
| 273 else | |
| 274 i--; | |
| 275 } | |
| 276 /* we removed some trailing stuff so there is a new | |
| 277 * line on the end. */ | |
| 278 if (ii && i == ii) | |
| 279 again=1; /* long line */ | |
| 280 else | |
| 281 { | |
| 282 p[i]='\0'; | |
| 283 eline++; /* another input line */ | |
| 284 } | |
| 285 | |
| 286 /* we now have a line with trailing \r\n removed */ | |
| 287 | |
| 288 /* i is the number of bytes */ | |
| 289 bufnum+=i; | |
| 290 | |
| 291 v=NULL; | |
| 292 /* check for line continuation */ | |
| 293 if (bufnum >= 1) | |
| 294 { | |
| 295 /* If we have bytes and the last char '\\' and | |
| 296 * second last char is not '\\' */ | |
| 297 p= &(buff->data[bufnum-1]); | |
| 298 if (IS_ESC(conf,p[0]) && | |
| 299 ((bufnum <= 1) || !IS_ESC(conf,p[-1]))) | |
| 300 { | |
| 301 bufnum--; | |
| 302 again=1; | |
| 303 } | |
| 304 } | |
| 305 if (again) continue; | |
| 306 bufnum=0; | |
| 307 buf=buff->data; | |
| 308 | |
| 309 clear_comments(conf, buf); | |
| 310 s=eat_ws(conf, buf); | |
| 311 if (IS_EOF(conf,*s)) continue; /* blank line */ | |
| 312 if (*s == '[') | |
| 313 { | |
| 314 char *ss; | |
| 315 | |
| 316 s++; | |
| 317 start=eat_ws(conf, s); | |
| 318 ss=start; | |
| 319 again: | |
| 320 end=eat_alpha_numeric(conf, ss); | |
| 321 p=eat_ws(conf, end); | |
| 322 if (*p != ']') | |
| 323 { | |
| 324 if (*p != '\0') | |
| 325 { | |
| 326 ss=p; | |
| 327 goto again; | |
| 328 } | |
| 329 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 330 CONF_R_MISSING_CLOSE_SQUARE_BRACKET); | |
| 331 goto err; | |
| 332 } | |
| 333 *end='\0'; | |
| 334 if (!str_copy(conf,NULL,§ion,start)) goto err; | |
| 335 if ((sv=_CONF_get_section(conf,section)) == NULL) | |
| 336 sv=_CONF_new_section(conf,section); | |
| 337 if (sv == NULL) | |
| 338 { | |
| 339 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 340 CONF_R_UNABLE_TO_CREATE_NEW_SECTION); | |
| 341 goto err; | |
| 342 } | |
| 343 continue; | |
| 344 } | |
| 345 else | |
| 346 { | |
| 347 pname=s; | |
| 348 psection=NULL; | |
| 349 end=eat_alpha_numeric(conf, s); | |
| 350 if ((end[0] == ':') && (end[1] == ':')) | |
| 351 { | |
| 352 *end='\0'; | |
| 353 end+=2; | |
| 354 psection=pname; | |
| 355 pname=end; | |
| 356 end=eat_alpha_numeric(conf, end); | |
| 357 } | |
| 358 p=eat_ws(conf, end); | |
| 359 if (*p != '=') | |
| 360 { | |
| 361 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 362 CONF_R_MISSING_EQUAL_SIGN); | |
| 363 goto err; | |
| 364 } | |
| 365 *end='\0'; | |
| 366 p++; | |
| 367 start=eat_ws(conf, p); | |
| 368 while (!IS_EOF(conf,*p)) | |
| 369 p++; | |
| 370 p--; | |
| 371 while ((p != start) && (IS_WS(conf,*p))) | |
| 372 p--; | |
| 373 p++; | |
| 374 *p='\0'; | |
| 375 | |
| 376 if (!(v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))
)) | |
| 377 { | |
| 378 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 379 ERR_R_MALLOC_FAILURE); | |
| 380 goto err; | |
| 381 } | |
| 382 if (psection == NULL) psection=section; | |
| 383 v->name=(char *)OPENSSL_malloc(strlen(pname)+1); | |
| 384 v->value=NULL; | |
| 385 if (v->name == NULL) | |
| 386 { | |
| 387 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 388 ERR_R_MALLOC_FAILURE); | |
| 389 goto err; | |
| 390 } | |
| 391 BUF_strlcpy(v->name,pname,strlen(pname)+1); | |
| 392 if (!str_copy(conf,psection,&(v->value),start)) goto err
; | |
| 393 | |
| 394 if (strcmp(psection,section) != 0) | |
| 395 { | |
| 396 if ((tv=_CONF_get_section(conf,psection)) | |
| 397 == NULL) | |
| 398 tv=_CONF_new_section(conf,psection); | |
| 399 if (tv == NULL) | |
| 400 { | |
| 401 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 402 CONF_R_UNABLE_TO_CREATE_NEW_SECTION); | |
| 403 goto err; | |
| 404 } | |
| 405 } | |
| 406 else | |
| 407 tv=sv; | |
| 408 #if 1 | |
| 409 if (_CONF_add_string(conf, tv, v) == 0) | |
| 410 { | |
| 411 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 412 ERR_R_MALLOC_FAILURE); | |
| 413 goto err; | |
| 414 } | |
| 415 #else | |
| 416 v->section=tv->section; | |
| 417 if (!sk_CONF_VALUE_push(ts,v)) | |
| 418 { | |
| 419 CONFerr(CONF_F_DEF_LOAD_BIO, | |
| 420 ERR_R_MALLOC_FAILURE); | |
| 421 goto err; | |
| 422 } | |
| 423 vv=(CONF_VALUE *)lh_insert(conf->data,v); | |
| 424 if (vv != NULL) | |
| 425 { | |
| 426 sk_CONF_VALUE_delete_ptr(ts,vv); | |
| 427 OPENSSL_free(vv->name); | |
| 428 OPENSSL_free(vv->value); | |
| 429 OPENSSL_free(vv); | |
| 430 } | |
| 431 #endif | |
| 432 v=NULL; | |
| 433 } | |
| 434 } | |
| 435 if (buff != NULL) BUF_MEM_free(buff); | |
| 436 if (section != NULL) OPENSSL_free(section); | |
| 437 return(1); | |
| 438 err: | |
| 439 if (buff != NULL) BUF_MEM_free(buff); | |
| 440 if (section != NULL) OPENSSL_free(section); | |
| 441 if (line != NULL) *line=eline; | |
| 442 BIO_snprintf(btmp,sizeof btmp,"%ld",eline); | |
| 443 ERR_add_error_data(2,"line ",btmp); | |
| 444 if ((h != conf->data) && (conf->data != NULL)) | |
| 445 { | |
| 446 CONF_free(conf->data); | |
| 447 conf->data=NULL; | |
| 448 } | |
| 449 if (v != NULL) | |
| 450 { | |
| 451 if (v->name != NULL) OPENSSL_free(v->name); | |
| 452 if (v->value != NULL) OPENSSL_free(v->value); | |
| 453 if (v != NULL) OPENSSL_free(v); | |
| 454 } | |
| 455 return(0); | |
| 456 } | |
| 457 | |
| 458 static void clear_comments(CONF *conf, char *p) | |
| 459 { | |
| 460 for (;;) | |
| 461 { | |
| 462 if (IS_FCOMMENT(conf,*p)) | |
| 463 { | |
| 464 *p='\0'; | |
| 465 return; | |
| 466 } | |
| 467 if (!IS_WS(conf,*p)) | |
| 468 { | |
| 469 break; | |
| 470 } | |
| 471 p++; | |
| 472 } | |
| 473 | |
| 474 for (;;) | |
| 475 { | |
| 476 if (IS_COMMENT(conf,*p)) | |
| 477 { | |
| 478 *p='\0'; | |
| 479 return; | |
| 480 } | |
| 481 if (IS_DQUOTE(conf,*p)) | |
| 482 { | |
| 483 p=scan_dquote(conf, p); | |
| 484 continue; | |
| 485 } | |
| 486 if (IS_QUOTE(conf,*p)) | |
| 487 { | |
| 488 p=scan_quote(conf, p); | |
| 489 continue; | |
| 490 } | |
| 491 if (IS_ESC(conf,*p)) | |
| 492 { | |
| 493 p=scan_esc(conf,p); | |
| 494 continue; | |
| 495 } | |
| 496 if (IS_EOF(conf,*p)) | |
| 497 return; | |
| 498 else | |
| 499 p++; | |
| 500 } | |
| 501 } | |
| 502 | |
| 503 static int str_copy(CONF *conf, char *section, char **pto, char *from) | |
| 504 { | |
| 505 int q,r,rr=0,to=0,len=0; | |
| 506 char *s,*e,*rp,*p,*rrp,*np,*cp,v; | |
| 507 BUF_MEM *buf; | |
| 508 | |
| 509 if ((buf=BUF_MEM_new()) == NULL) return(0); | |
| 510 | |
| 511 len=strlen(from)+1; | |
| 512 if (!BUF_MEM_grow(buf,len)) goto err; | |
| 513 | |
| 514 for (;;) | |
| 515 { | |
| 516 if (IS_QUOTE(conf,*from)) | |
| 517 { | |
| 518 q= *from; | |
| 519 from++; | |
| 520 while (!IS_EOF(conf,*from) && (*from != q)) | |
| 521 { | |
| 522 if (IS_ESC(conf,*from)) | |
| 523 { | |
| 524 from++; | |
| 525 if (IS_EOF(conf,*from)) break; | |
| 526 } | |
| 527 buf->data[to++]= *(from++); | |
| 528 } | |
| 529 if (*from == q) from++; | |
| 530 } | |
| 531 else if (IS_DQUOTE(conf,*from)) | |
| 532 { | |
| 533 q= *from; | |
| 534 from++; | |
| 535 while (!IS_EOF(conf,*from)) | |
| 536 { | |
| 537 if (*from == q) | |
| 538 { | |
| 539 if (*(from+1) == q) | |
| 540 { | |
| 541 from++; | |
| 542 } | |
| 543 else | |
| 544 { | |
| 545 break; | |
| 546 } | |
| 547 } | |
| 548 buf->data[to++]= *(from++); | |
| 549 } | |
| 550 if (*from == q) from++; | |
| 551 } | |
| 552 else if (IS_ESC(conf,*from)) | |
| 553 { | |
| 554 from++; | |
| 555 v= *(from++); | |
| 556 if (IS_EOF(conf,v)) break; | |
| 557 else if (v == 'r') v='\r'; | |
| 558 else if (v == 'n') v='\n'; | |
| 559 else if (v == 'b') v='\b'; | |
| 560 else if (v == 't') v='\t'; | |
| 561 buf->data[to++]= v; | |
| 562 } | |
| 563 else if (IS_EOF(conf,*from)) | |
| 564 break; | |
| 565 else if (*from == '$') | |
| 566 { | |
| 567 /* try to expand it */ | |
| 568 rrp=NULL; | |
| 569 s= &(from[1]); | |
| 570 if (*s == '{') | |
| 571 q='}'; | |
| 572 else if (*s == '(') | |
| 573 q=')'; | |
| 574 else q=0; | |
| 575 | |
| 576 if (q) s++; | |
| 577 cp=section; | |
| 578 e=np=s; | |
| 579 while (IS_ALPHA_NUMERIC(conf,*e)) | |
| 580 e++; | |
| 581 if ((e[0] == ':') && (e[1] == ':')) | |
| 582 { | |
| 583 cp=np; | |
| 584 rrp=e; | |
| 585 rr= *e; | |
| 586 *rrp='\0'; | |
| 587 e+=2; | |
| 588 np=e; | |
| 589 while (IS_ALPHA_NUMERIC(conf,*e)) | |
| 590 e++; | |
| 591 } | |
| 592 r= *e; | |
| 593 *e='\0'; | |
| 594 rp=e; | |
| 595 if (q) | |
| 596 { | |
| 597 if (r != q) | |
| 598 { | |
| 599 CONFerr(CONF_F_STR_COPY,CONF_R_NO_CLOSE_
BRACE); | |
| 600 goto err; | |
| 601 } | |
| 602 e++; | |
| 603 } | |
| 604 /* So at this point we have | |
| 605 * np which is the start of the name string which is | |
| 606 * '\0' terminated. | |
| 607 * cp which is the start of the section string which is | |
| 608 * '\0' terminated. | |
| 609 * e is the 'next point after'. | |
| 610 * r and rr are the chars replaced by the '\0' | |
| 611 * rp and rrp is where 'r' and 'rr' came from. | |
| 612 */ | |
| 613 p=_CONF_get_string(conf,cp,np); | |
| 614 if (rrp != NULL) *rrp=rr; | |
| 615 *rp=r; | |
| 616 if (p == NULL) | |
| 617 { | |
| 618 CONFerr(CONF_F_STR_COPY,CONF_R_VARIABLE_HAS_NO_V
ALUE); | |
| 619 goto err; | |
| 620 } | |
| 621 BUF_MEM_grow_clean(buf,(strlen(p)+buf->length-(e-from)))
; | |
| 622 while (*p) | |
| 623 buf->data[to++]= *(p++); | |
| 624 | |
| 625 /* Since we change the pointer 'from', we also have | |
| 626 to change the perceived length of the string it | |
| 627 points at. /RL */ | |
| 628 len -= e-from; | |
| 629 from=e; | |
| 630 | |
| 631 /* In case there were no braces or parenthesis around | |
| 632 the variable reference, we have to put back the | |
| 633 character that was replaced with a '\0'. /RL */ | |
| 634 *rp = r; | |
| 635 } | |
| 636 else | |
| 637 buf->data[to++]= *(from++); | |
| 638 } | |
| 639 buf->data[to]='\0'; | |
| 640 if (*pto != NULL) OPENSSL_free(*pto); | |
| 641 *pto=buf->data; | |
| 642 OPENSSL_free(buf); | |
| 643 return(1); | |
| 644 err: | |
| 645 if (buf != NULL) BUF_MEM_free(buf); | |
| 646 return(0); | |
| 647 } | |
| 648 | |
| 649 static char *eat_ws(CONF *conf, char *p) | |
| 650 { | |
| 651 while (IS_WS(conf,*p) && (!IS_EOF(conf,*p))) | |
| 652 p++; | |
| 653 return(p); | |
| 654 } | |
| 655 | |
| 656 static char *eat_alpha_numeric(CONF *conf, char *p) | |
| 657 { | |
| 658 for (;;) | |
| 659 { | |
| 660 if (IS_ESC(conf,*p)) | |
| 661 { | |
| 662 p=scan_esc(conf,p); | |
| 663 continue; | |
| 664 } | |
| 665 if (!IS_ALPHA_NUMERIC_PUNCT(conf,*p)) | |
| 666 return(p); | |
| 667 p++; | |
| 668 } | |
| 669 } | |
| 670 | |
| 671 static char *scan_quote(CONF *conf, char *p) | |
| 672 { | |
| 673 int q= *p; | |
| 674 | |
| 675 p++; | |
| 676 while (!(IS_EOF(conf,*p)) && (*p != q)) | |
| 677 { | |
| 678 if (IS_ESC(conf,*p)) | |
| 679 { | |
| 680 p++; | |
| 681 if (IS_EOF(conf,*p)) return(p); | |
| 682 } | |
| 683 p++; | |
| 684 } | |
| 685 if (*p == q) p++; | |
| 686 return(p); | |
| 687 } | |
| 688 | |
| 689 | |
| 690 static char *scan_dquote(CONF *conf, char *p) | |
| 691 { | |
| 692 int q= *p; | |
| 693 | |
| 694 p++; | |
| 695 while (!(IS_EOF(conf,*p))) | |
| 696 { | |
| 697 if (*p == q) | |
| 698 { | |
| 699 if (*(p+1) == q) | |
| 700 { | |
| 701 p++; | |
| 702 } | |
| 703 else | |
| 704 { | |
| 705 break; | |
| 706 } | |
| 707 } | |
| 708 p++; | |
| 709 } | |
| 710 if (*p == q) p++; | |
| 711 return(p); | |
| 712 } | |
| 713 | |
| 714 static void dump_value_doall_arg(CONF_VALUE *a, BIO *out) | |
| 715 { | |
| 716 if (a->name) | |
| 717 BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value); | |
| 718 else | |
| 719 BIO_printf(out, "[[%s]]\n", a->section); | |
| 720 } | |
| 721 | |
| 722 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO) | |
| 723 | |
| 724 static int def_dump(const CONF *conf, BIO *out) | |
| 725 { | |
| 726 lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value), | |
| 727 BIO, out); | |
| 728 return 1; | |
| 729 } | |
| 730 | |
| 731 static int def_is_number(const CONF *conf, char c) | |
| 732 { | |
| 733 return IS_NUMBER(conf,c); | |
| 734 } | |
| 735 | |
| 736 static int def_to_int(const CONF *conf, char c) | |
| 737 { | |
| 738 return c - '0'; | |
| 739 } | |
| 740 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master