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| 1 /* crypto/txt_db/txt_db.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 #include <stdio.h> | |
| 60 #include <stdlib.h> | |
| 61 #include <string.h> | |
| 62 #include "cryptlib.h" | |
| 63 #include <openssl/buffer.h> | |
| 64 #include <openssl/txt_db.h> | |
| 65 | |
| 66 #undef BUFSIZE | |
| 67 #define BUFSIZE 512 | |
| 68 | |
| 69 const char TXT_DB_version[]="TXT_DB" OPENSSL_VERSION_PTEXT; | |
| 70 | |
| 71 TXT_DB *TXT_DB_read(BIO *in, int num) | |
| 72 { | |
| 73 TXT_DB *ret=NULL; | |
| 74 int er=1; | |
| 75 int esc=0; | |
| 76 long ln=0; | |
| 77 int i,add,n; | |
| 78 int size=BUFSIZE; | |
| 79 int offset=0; | |
| 80 char *p,*f; | |
| 81 OPENSSL_STRING *pp; | |
| 82 BUF_MEM *buf=NULL; | |
| 83 | |
| 84 if ((buf=BUF_MEM_new()) == NULL) goto err; | |
| 85 if (!BUF_MEM_grow(buf,size)) goto err; | |
| 86 | |
| 87 if ((ret=OPENSSL_malloc(sizeof(TXT_DB))) == NULL) | |
| 88 goto err; | |
| 89 ret->num_fields=num; | |
| 90 ret->index=NULL; | |
| 91 ret->qual=NULL; | |
| 92 if ((ret->data=sk_OPENSSL_PSTRING_new_null()) == NULL) | |
| 93 goto err; | |
| 94 if ((ret->index=OPENSSL_malloc(sizeof(*ret->index)*num)) == NULL) | |
| 95 goto err; | |
| 96 if ((ret->qual=OPENSSL_malloc(sizeof(*(ret->qual))*num)) == NULL) | |
| 97 goto err; | |
| 98 for (i=0; i<num; i++) | |
| 99 { | |
| 100 ret->index[i]=NULL; | |
| 101 ret->qual[i]=NULL; | |
| 102 } | |
| 103 | |
| 104 add=(num+1)*sizeof(char *); | |
| 105 buf->data[size-1]='\0'; | |
| 106 offset=0; | |
| 107 for (;;) | |
| 108 { | |
| 109 if (offset != 0) | |
| 110 { | |
| 111 size+=BUFSIZE; | |
| 112 if (!BUF_MEM_grow_clean(buf,size)) goto err; | |
| 113 } | |
| 114 buf->data[offset]='\0'; | |
| 115 BIO_gets(in,&(buf->data[offset]),size-offset); | |
| 116 ln++; | |
| 117 if (buf->data[offset] == '\0') break; | |
| 118 if ((offset == 0) && (buf->data[0] == '#')) continue; | |
| 119 i=strlen(&(buf->data[offset])); | |
| 120 offset+=i; | |
| 121 if (buf->data[offset-1] != '\n') | |
| 122 continue; | |
| 123 else | |
| 124 { | |
| 125 buf->data[offset-1]='\0'; /* blat the '\n' */ | |
| 126 if (!(p=OPENSSL_malloc(add+offset))) goto err; | |
| 127 offset=0; | |
| 128 } | |
| 129 pp=(char **)p; | |
| 130 p+=add; | |
| 131 n=0; | |
| 132 pp[n++]=p; | |
| 133 i=0; | |
| 134 f=buf->data; | |
| 135 | |
| 136 esc=0; | |
| 137 for (;;) | |
| 138 { | |
| 139 if (*f == '\0') break; | |
| 140 if (*f == '\t') | |
| 141 { | |
| 142 if (esc) | |
| 143 p--; | |
| 144 else | |
| 145 { | |
| 146 *(p++)='\0'; | |
| 147 f++; | |
| 148 if (n >= num) break; | |
| 149 pp[n++]=p; | |
| 150 continue; | |
| 151 } | |
| 152 } | |
| 153 esc=(*f == '\\'); | |
| 154 *(p++)= *(f++); | |
| 155 } | |
| 156 *(p++)='\0'; | |
| 157 if ((n != num) || (*f != '\0')) | |
| 158 { | |
| 159 #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) /* temporary fix
:-( */ | |
| 160 fprintf(stderr,"wrong number of fields on line %ld (look
ing for field %d, got %d, '%s' left)\n",ln,num,n,f); | |
| 161 #endif | |
| 162 er=2; | |
| 163 goto err; | |
| 164 } | |
| 165 pp[n]=p; | |
| 166 if (!sk_OPENSSL_PSTRING_push(ret->data,pp)) | |
| 167 { | |
| 168 #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) /* temporary fix
:-( */ | |
| 169 fprintf(stderr,"failure in sk_push\n"); | |
| 170 #endif | |
| 171 er=2; | |
| 172 goto err; | |
| 173 } | |
| 174 } | |
| 175 er=0; | |
| 176 err: | |
| 177 BUF_MEM_free(buf); | |
| 178 if (er) | |
| 179 { | |
| 180 #if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16) | |
| 181 if (er == 1) fprintf(stderr,"OPENSSL_malloc failure\n"); | |
| 182 #endif | |
| 183 if (ret != NULL) | |
| 184 { | |
| 185 if (ret->data != NULL) sk_OPENSSL_PSTRING_free(ret->data
); | |
| 186 if (ret->index != NULL) OPENSSL_free(ret->index); | |
| 187 if (ret->qual != NULL) OPENSSL_free(ret->qual); | |
| 188 if (ret != NULL) OPENSSL_free(ret); | |
| 189 } | |
| 190 return(NULL); | |
| 191 } | |
| 192 else | |
| 193 return(ret); | |
| 194 } | |
| 195 | |
| 196 OPENSSL_STRING *TXT_DB_get_by_index(TXT_DB *db, int idx, OPENSSL_STRING *value) | |
| 197 { | |
| 198 OPENSSL_STRING *ret; | |
| 199 LHASH_OF(OPENSSL_STRING) *lh; | |
| 200 | |
| 201 if (idx >= db->num_fields) | |
| 202 { | |
| 203 db->error=DB_ERROR_INDEX_OUT_OF_RANGE; | |
| 204 return(NULL); | |
| 205 } | |
| 206 lh=db->index[idx]; | |
| 207 if (lh == NULL) | |
| 208 { | |
| 209 db->error=DB_ERROR_NO_INDEX; | |
| 210 return(NULL); | |
| 211 } | |
| 212 ret=lh_OPENSSL_STRING_retrieve(lh,value); | |
| 213 db->error=DB_ERROR_OK; | |
| 214 return(ret); | |
| 215 } | |
| 216 | |
| 217 int TXT_DB_create_index(TXT_DB *db, int field, int (*qual)(OPENSSL_STRING *), | |
| 218 LHASH_HASH_FN_TYPE hash, LHASH_COMP_FN_TYPE cmp) | |
| 219 { | |
| 220 LHASH_OF(OPENSSL_STRING) *idx; | |
| 221 OPENSSL_STRING *r; | |
| 222 int i,n; | |
| 223 | |
| 224 if (field >= db->num_fields) | |
| 225 { | |
| 226 db->error=DB_ERROR_INDEX_OUT_OF_RANGE; | |
| 227 return(0); | |
| 228 } | |
| 229 /* FIXME: we lose type checking at this point */ | |
| 230 if ((idx=(LHASH_OF(OPENSSL_STRING) *)lh_new(hash,cmp)) == NULL) | |
| 231 { | |
| 232 db->error=DB_ERROR_MALLOC; | |
| 233 return(0); | |
| 234 } | |
| 235 n=sk_OPENSSL_PSTRING_num(db->data); | |
| 236 for (i=0; i<n; i++) | |
| 237 { | |
| 238 r=sk_OPENSSL_PSTRING_value(db->data,i); | |
| 239 if ((qual != NULL) && (qual(r) == 0)) continue; | |
| 240 if ((r=lh_OPENSSL_STRING_insert(idx,r)) != NULL) | |
| 241 { | |
| 242 db->error=DB_ERROR_INDEX_CLASH; | |
| 243 db->arg1=sk_OPENSSL_PSTRING_find(db->data,r); | |
| 244 db->arg2=i; | |
| 245 lh_OPENSSL_STRING_free(idx); | |
| 246 return(0); | |
| 247 } | |
| 248 } | |
| 249 if (db->index[field] != NULL) lh_OPENSSL_STRING_free(db->index[field]); | |
| 250 db->index[field]=idx; | |
| 251 db->qual[field]=qual; | |
| 252 return(1); | |
| 253 } | |
| 254 | |
| 255 long TXT_DB_write(BIO *out, TXT_DB *db) | |
| 256 { | |
| 257 long i,j,n,nn,l,tot=0; | |
| 258 char *p,**pp,*f; | |
| 259 BUF_MEM *buf=NULL; | |
| 260 long ret= -1; | |
| 261 | |
| 262 if ((buf=BUF_MEM_new()) == NULL) | |
| 263 goto err; | |
| 264 n=sk_OPENSSL_PSTRING_num(db->data); | |
| 265 nn=db->num_fields; | |
| 266 for (i=0; i<n; i++) | |
| 267 { | |
| 268 pp=sk_OPENSSL_PSTRING_value(db->data,i); | |
| 269 | |
| 270 l=0; | |
| 271 for (j=0; j<nn; j++) | |
| 272 { | |
| 273 if (pp[j] != NULL) | |
| 274 l+=strlen(pp[j]); | |
| 275 } | |
| 276 if (!BUF_MEM_grow_clean(buf,(int)(l*2+nn))) goto err; | |
| 277 | |
| 278 p=buf->data; | |
| 279 for (j=0; j<nn; j++) | |
| 280 { | |
| 281 f=pp[j]; | |
| 282 if (f != NULL) | |
| 283 for (;;) | |
| 284 { | |
| 285 if (*f == '\0') break; | |
| 286 if (*f == '\t') *(p++)='\\'; | |
| 287 *(p++)= *(f++); | |
| 288 } | |
| 289 *(p++)='\t'; | |
| 290 } | |
| 291 p[-1]='\n'; | |
| 292 j=p-buf->data; | |
| 293 if (BIO_write(out,buf->data,(int)j) != j) | |
| 294 goto err; | |
| 295 tot+=j; | |
| 296 } | |
| 297 ret=tot; | |
| 298 err: | |
| 299 if (buf != NULL) BUF_MEM_free(buf); | |
| 300 return(ret); | |
| 301 } | |
| 302 | |
| 303 int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *row) | |
| 304 { | |
| 305 int i; | |
| 306 OPENSSL_STRING *r; | |
| 307 | |
| 308 for (i=0; i<db->num_fields; i++) | |
| 309 { | |
| 310 if (db->index[i] != NULL) | |
| 311 { | |
| 312 if ((db->qual[i] != NULL) && | |
| 313 (db->qual[i](row) == 0)) continue; | |
| 314 r=lh_OPENSSL_STRING_retrieve(db->index[i],row); | |
| 315 if (r != NULL) | |
| 316 { | |
| 317 db->error=DB_ERROR_INDEX_CLASH; | |
| 318 db->arg1=i; | |
| 319 db->arg_row=r; | |
| 320 goto err; | |
| 321 } | |
| 322 } | |
| 323 } | |
| 324 /* We have passed the index checks, now just append and insert */ | |
| 325 if (!sk_OPENSSL_PSTRING_push(db->data,row)) | |
| 326 { | |
| 327 db->error=DB_ERROR_MALLOC; | |
| 328 goto err; | |
| 329 } | |
| 330 | |
| 331 for (i=0; i<db->num_fields; i++) | |
| 332 { | |
| 333 if (db->index[i] != NULL) | |
| 334 { | |
| 335 if ((db->qual[i] != NULL) && | |
| 336 (db->qual[i](row) == 0)) continue; | |
| 337 (void)lh_OPENSSL_STRING_insert(db->index[i],row); | |
| 338 } | |
| 339 } | |
| 340 return(1); | |
| 341 err: | |
| 342 return(0); | |
| 343 } | |
| 344 | |
| 345 void TXT_DB_free(TXT_DB *db) | |
| 346 { | |
| 347 int i,n; | |
| 348 char **p,*max; | |
| 349 | |
| 350 if(db == NULL) | |
| 351 return; | |
| 352 | |
| 353 if (db->index != NULL) | |
| 354 { | |
| 355 for (i=db->num_fields-1; i>=0; i--) | |
| 356 if (db->index[i] != NULL) lh_OPENSSL_STRING_free(db->ind
ex[i]); | |
| 357 OPENSSL_free(db->index); | |
| 358 } | |
| 359 if (db->qual != NULL) | |
| 360 OPENSSL_free(db->qual); | |
| 361 if (db->data != NULL) | |
| 362 { | |
| 363 for (i=sk_OPENSSL_PSTRING_num(db->data)-1; i>=0; i--) | |
| 364 { | |
| 365 /* check if any 'fields' have been allocated | |
| 366 * from outside of the initial block */ | |
| 367 p=sk_OPENSSL_PSTRING_value(db->data,i); | |
| 368 max=p[db->num_fields]; /* last address */ | |
| 369 if (max == NULL) /* new row */ | |
| 370 { | |
| 371 for (n=0; n<db->num_fields; n++) | |
| 372 if (p[n] != NULL) OPENSSL_free(p[n]); | |
| 373 } | |
| 374 else | |
| 375 { | |
| 376 for (n=0; n<db->num_fields; n++) | |
| 377 { | |
| 378 if (((p[n] < (char *)p) || (p[n] > max)) | |
| 379 && (p[n] != NULL)) | |
| 380 OPENSSL_free(p[n]); | |
| 381 } | |
| 382 } | |
| 383 OPENSSL_free(sk_OPENSSL_PSTRING_value(db->data,i)); | |
| 384 } | |
| 385 sk_OPENSSL_PSTRING_free(db->data); | |
| 386 } | |
| 387 OPENSSL_free(db); | |
| 388 } | |
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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