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| 1 /* ==================================================================== | |
| 2 * Copyright (c) 2007 The OpenSSL Project. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in | |
| 13 * the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * | |
| 16 * 3. All advertising materials mentioning features or use of this | |
| 17 * software must display the following acknowledgment: | |
| 18 * "This product includes software developed by the OpenSSL Project | |
| 19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
| 20 * | |
| 21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 22 * endorse or promote products derived from this software without | |
| 23 * prior written permission. For written permission, please contact | |
| 24 * openssl-core@openssl.org. | |
| 25 * | |
| 26 * 5. Products derived from this software may not be called "OpenSSL" | |
| 27 * nor may "OpenSSL" appear in their names without prior written | |
| 28 * permission of the OpenSSL Project. | |
| 29 * | |
| 30 * 6. Redistributions of any form whatsoever must retain the following | |
| 31 * acknowledgment: | |
| 32 * "This product includes software developed by the OpenSSL Project | |
| 33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
| 34 * | |
| 35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 46 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 47 * | |
| 48 */ | |
| 49 | |
| 50 void do_print_errors(void); | |
| 51 int hex2bin(const char *in, unsigned char *out); | |
| 52 unsigned char *hex2bin_m(const char *in, long *plen); | |
| 53 int do_hex2bn(BIGNUM **pr, const char *in); | |
| 54 int do_bn_print(FILE *out, BIGNUM *bn); | |
| 55 int do_bn_print_name(FILE *out, const char *name, BIGNUM *bn); | |
| 56 int parse_line(char **pkw, char **pval, char *linebuf, char *olinebuf); | |
| 57 BIGNUM *hex2bn(const char *in); | |
| 58 int bin2hex(const unsigned char *in,int len,char *out); | |
| 59 void pv(const char *tag,const unsigned char *val,int len); | |
| 60 int tidy_line(char *linebuf, char *olinebuf); | |
| 61 int bint2bin(const char *in, int len, unsigned char *out); | |
| 62 int bin2bint(const unsigned char *in,int len,char *out); | |
| 63 void PrintValue(char *tag, unsigned char *val, int len); | |
| 64 void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode); | |
| 65 | |
| 66 void do_print_errors(void) | |
| 67 { | |
| 68 const char *file, *data; | |
| 69 int line, flags; | |
| 70 unsigned long l; | |
| 71 while ((l = ERR_get_error_line_data(&file, &line, &data, &flags))) | |
| 72 { | |
| 73 fprintf(stderr, "ERROR:%lx:lib=%d,func=%d,reason=%d" | |
| 74 ":file=%s:line=%d:%s\n", | |
| 75 l, ERR_GET_LIB(l), ERR_GET_FUNC(l), ERR_GET_REASON(l), | |
| 76 file, line, flags & ERR_TXT_STRING ? data : ""); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 int hex2bin(const char *in, unsigned char *out) | |
| 81 { | |
| 82 int n1, n2; | |
| 83 unsigned char ch; | |
| 84 | |
| 85 for (n1=0,n2=0 ; in[n1] && in[n1] != '\n' ; ) | |
| 86 { /* first byte */ | |
| 87 if ((in[n1] >= '0') && (in[n1] <= '9')) | |
| 88 ch = in[n1++] - '0'; | |
| 89 else if ((in[n1] >= 'A') && (in[n1] <= 'F')) | |
| 90 ch = in[n1++] - 'A' + 10; | |
| 91 else if ((in[n1] >= 'a') && (in[n1] <= 'f')) | |
| 92 ch = in[n1++] - 'a' + 10; | |
| 93 else | |
| 94 return -1; | |
| 95 if(!in[n1]) | |
| 96 { | |
| 97 out[n2++]=ch; | |
| 98 break; | |
| 99 } | |
| 100 out[n2] = ch << 4; | |
| 101 /* second byte */ | |
| 102 if ((in[n1] >= '0') && (in[n1] <= '9')) | |
| 103 ch = in[n1++] - '0'; | |
| 104 else if ((in[n1] >= 'A') && (in[n1] <= 'F')) | |
| 105 ch = in[n1++] - 'A' + 10; | |
| 106 else if ((in[n1] >= 'a') && (in[n1] <= 'f')) | |
| 107 ch = in[n1++] - 'a' + 10; | |
| 108 else | |
| 109 return -1; | |
| 110 out[n2++] |= ch; | |
| 111 } | |
| 112 return n2; | |
| 113 } | |
| 114 | |
| 115 unsigned char *hex2bin_m(const char *in, long *plen) | |
| 116 { | |
| 117 unsigned char *p; | |
| 118 p = OPENSSL_malloc((strlen(in) + 1)/2); | |
| 119 *plen = hex2bin(in, p); | |
| 120 return p; | |
| 121 } | |
| 122 | |
| 123 int do_hex2bn(BIGNUM **pr, const char *in) | |
| 124 { | |
| 125 unsigned char *p; | |
| 126 long plen; | |
| 127 int r = 0; | |
| 128 p = hex2bin_m(in, &plen); | |
| 129 if (!p) | |
| 130 return 0; | |
| 131 if (!*pr) | |
| 132 *pr = BN_new(); | |
| 133 if (!*pr) | |
| 134 return 0; | |
| 135 if (BN_bin2bn(p, plen, *pr)) | |
| 136 r = 1; | |
| 137 OPENSSL_free(p); | |
| 138 return r; | |
| 139 } | |
| 140 | |
| 141 int do_bn_print(FILE *out, BIGNUM *bn) | |
| 142 { | |
| 143 int len, i; | |
| 144 unsigned char *tmp; | |
| 145 len = BN_num_bytes(bn); | |
| 146 if (len == 0) | |
| 147 { | |
| 148 fputs("00", out); | |
| 149 return 1; | |
| 150 } | |
| 151 | |
| 152 tmp = OPENSSL_malloc(len); | |
| 153 if (!tmp) | |
| 154 { | |
| 155 fprintf(stderr, "Memory allocation error\n"); | |
| 156 return 0; | |
| 157 } | |
| 158 BN_bn2bin(bn, tmp); | |
| 159 for (i = 0; i < len; i++) | |
| 160 fprintf(out, "%02x", tmp[i]); | |
| 161 OPENSSL_free(tmp); | |
| 162 return 1; | |
| 163 } | |
| 164 | |
| 165 int do_bn_print_name(FILE *out, const char *name, BIGNUM *bn) | |
| 166 { | |
| 167 int r; | |
| 168 fprintf(out, "%s = ", name); | |
| 169 r = do_bn_print(out, bn); | |
| 170 if (!r) | |
| 171 return 0; | |
| 172 fputs("\n", out); | |
| 173 return 1; | |
| 174 } | |
| 175 | |
| 176 int parse_line(char **pkw, char **pval, char *linebuf, char *olinebuf) | |
| 177 { | |
| 178 char *keyword, *value, *p, *q; | |
| 179 strcpy(linebuf, olinebuf); | |
| 180 keyword = linebuf; | |
| 181 /* Skip leading space */ | |
| 182 while (isspace((unsigned char)*keyword)) | |
| 183 keyword++; | |
| 184 | |
| 185 /* Look for = sign */ | |
| 186 p = strchr(linebuf, '='); | |
| 187 | |
| 188 /* If no '=' exit */ | |
| 189 if (!p) | |
| 190 return 0; | |
| 191 | |
| 192 q = p - 1; | |
| 193 | |
| 194 /* Remove trailing space */ | |
| 195 while (isspace((unsigned char)*q)) | |
| 196 *q-- = 0; | |
| 197 | |
| 198 *p = 0; | |
| 199 value = p + 1; | |
| 200 | |
| 201 /* Remove leading space from value */ | |
| 202 while (isspace((unsigned char)*value)) | |
| 203 value++; | |
| 204 | |
| 205 /* Remove trailing space from value */ | |
| 206 p = value + strlen(value) - 1; | |
| 207 | |
| 208 while (*p == '\n' || isspace((unsigned char)*p)) | |
| 209 *p-- = 0; | |
| 210 | |
| 211 *pkw = keyword; | |
| 212 *pval = value; | |
| 213 return 1; | |
| 214 } | |
| 215 | |
| 216 BIGNUM *hex2bn(const char *in) | |
| 217 { | |
| 218 BIGNUM *p=NULL; | |
| 219 | |
| 220 if (!do_hex2bn(&p, in)) | |
| 221 return NULL; | |
| 222 | |
| 223 return p; | |
| 224 } | |
| 225 | |
| 226 int bin2hex(const unsigned char *in,int len,char *out) | |
| 227 { | |
| 228 int n1, n2; | |
| 229 unsigned char ch; | |
| 230 | |
| 231 for (n1=0,n2=0 ; n1 < len ; ++n1) | |
| 232 { | |
| 233 ch=in[n1] >> 4; | |
| 234 if (ch <= 0x09) | |
| 235 out[n2++]=ch+'0'; | |
| 236 else | |
| 237 out[n2++]=ch-10+'a'; | |
| 238 ch=in[n1] & 0x0f; | |
| 239 if(ch <= 0x09) | |
| 240 out[n2++]=ch+'0'; | |
| 241 else | |
| 242 out[n2++]=ch-10+'a'; | |
| 243 } | |
| 244 out[n2]='\0'; | |
| 245 return n2; | |
| 246 } | |
| 247 | |
| 248 void pv(const char *tag,const unsigned char *val,int len) | |
| 249 { | |
| 250 char obuf[2048]; | |
| 251 | |
| 252 bin2hex(val,len,obuf); | |
| 253 printf("%s = %s\n",tag,obuf); | |
| 254 } | |
| 255 | |
| 256 /* To avoid extensive changes to test program at this stage just convert | |
| 257 * the input line into an acceptable form. Keyword lines converted to form | |
| 258 * "keyword = value\n" no matter what white space present, all other lines | |
| 259 * just have leading and trailing space removed. | |
| 260 */ | |
| 261 | |
| 262 int tidy_line(char *linebuf, char *olinebuf) | |
| 263 { | |
| 264 char *keyword, *value, *p, *q; | |
| 265 strcpy(linebuf, olinebuf); | |
| 266 keyword = linebuf; | |
| 267 /* Skip leading space */ | |
| 268 while (isspace((unsigned char)*keyword)) | |
| 269 keyword++; | |
| 270 /* Look for = sign */ | |
| 271 p = strchr(linebuf, '='); | |
| 272 | |
| 273 /* If no '=' just chop leading, trailing ws */ | |
| 274 if (!p) | |
| 275 { | |
| 276 p = keyword + strlen(keyword) - 1; | |
| 277 while (*p == '\n' || isspace((unsigned char)*p)) | |
| 278 *p-- = 0; | |
| 279 strcpy(olinebuf, keyword); | |
| 280 strcat(olinebuf, "\n"); | |
| 281 return 1; | |
| 282 } | |
| 283 | |
| 284 q = p - 1; | |
| 285 | |
| 286 /* Remove trailing space */ | |
| 287 while (isspace((unsigned char)*q)) | |
| 288 *q-- = 0; | |
| 289 | |
| 290 *p = 0; | |
| 291 value = p + 1; | |
| 292 | |
| 293 /* Remove leading space from value */ | |
| 294 while (isspace((unsigned char)*value)) | |
| 295 value++; | |
| 296 | |
| 297 /* Remove trailing space from value */ | |
| 298 p = value + strlen(value) - 1; | |
| 299 | |
| 300 while (*p == '\n' || isspace((unsigned char)*p)) | |
| 301 *p-- = 0; | |
| 302 | |
| 303 strcpy(olinebuf, keyword); | |
| 304 strcat(olinebuf, " = "); | |
| 305 strcat(olinebuf, value); | |
| 306 strcat(olinebuf, "\n"); | |
| 307 | |
| 308 return 1; | |
| 309 } | |
| 310 | |
| 311 /* NB: this return the number of _bits_ read */ | |
| 312 int bint2bin(const char *in, int len, unsigned char *out) | |
| 313 { | |
| 314 int n; | |
| 315 | |
| 316 memset(out,0,len); | |
| 317 for(n=0 ; n < len ; ++n) | |
| 318 if(in[n] == '1') | |
| 319 out[n/8]|=(0x80 >> (n%8)); | |
| 320 return len; | |
| 321 } | |
| 322 | |
| 323 int bin2bint(const unsigned char *in,int len,char *out) | |
| 324 { | |
| 325 int n; | |
| 326 | |
| 327 for(n=0 ; n < len ; ++n) | |
| 328 out[n]=(in[n/8]&(0x80 >> (n%8))) ? '1' : '0'; | |
| 329 return n; | |
| 330 } | |
| 331 | |
| 332 /*-----------------------------------------------*/ | |
| 333 | |
| 334 void PrintValue(char *tag, unsigned char *val, int len) | |
| 335 { | |
| 336 #if VERBOSE | |
| 337 char obuf[2048]; | |
| 338 int olen; | |
| 339 olen = bin2hex(val, len, obuf); | |
| 340 printf("%s = %.*s\n", tag, olen, obuf); | |
| 341 #endif | |
| 342 } | |
| 343 | |
| 344 void OutputValue(char *tag, unsigned char *val, int len, FILE *rfp,int bitmode) | |
| 345 { | |
| 346 char obuf[2048]; | |
| 347 int olen; | |
| 348 | |
| 349 if(bitmode) | |
| 350 olen=bin2bint(val,len,obuf); | |
| 351 else | |
| 352 olen=bin2hex(val,len,obuf); | |
| 353 | |
| 354 fprintf(rfp, "%s = %.*s\n", tag, olen, obuf); | |
| 355 #if VERBOSE | |
| 356 printf("%s = %.*s\n", tag, olen, obuf); | |
| 357 #endif | |
| 358 } | |
| 359 | |
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