diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_enc.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/tasn_enc.c | 159 |
1 files changed, 85 insertions, 74 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_enc.c b/src/lib/libcrypto/asn1/tasn_enc.c index c9131cd9ca..f5fc8820f6 100644 --- a/src/lib/libcrypto/asn1/tasn_enc.c +++ b/src/lib/libcrypto/asn1/tasn_enc.c | |||
| @@ -10,7 +10,7 @@ | |||
| 10 | * are met: | 10 | * are met: |
| 11 | * | 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright | 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. | 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * | 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in | 16 | * notice, this list of conditions and the following disclaimer in |
| @@ -56,7 +56,6 @@ | |||
| 56 | * | 56 | * |
| 57 | */ | 57 | */ |
| 58 | 58 | ||
| 59 | |||
| 60 | #include <stddef.h> | 59 | #include <stddef.h> |
| 61 | #include <string.h> | 60 | #include <string.h> |
| 62 | #include "cryptlib.h" | 61 | #include "cryptlib.h" |
| @@ -65,34 +64,32 @@ | |||
| 65 | #include <openssl/objects.h> | 64 | #include <openssl/objects.h> |
| 66 | 65 | ||
| 67 | static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, | 66 | static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, |
| 68 | const ASN1_ITEM *it, | 67 | const ASN1_ITEM *it, int tag, int aclass); |
| 69 | int tag, int aclass); | ||
| 70 | static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, | 68 | static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, |
| 71 | int skcontlen, const ASN1_ITEM *item, | 69 | int skcontlen, const ASN1_ITEM *item, int do_sort, int iclass); |
| 72 | int do_sort, int iclass); | ||
| 73 | static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | 70 | static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, |
| 74 | const ASN1_TEMPLATE *tt, | 71 | const ASN1_TEMPLATE *tt, int tag, int aclass); |
| 75 | int tag, int aclass); | ||
| 76 | static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, | 72 | static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, |
| 77 | const ASN1_ITEM *it, int flags); | 73 | const ASN1_ITEM *it, int flags); |
| 78 | 74 | ||
| 79 | /* Top level i2d equivalents: the 'ndef' variant instructs the encoder | 75 | /* Top level i2d equivalents: the 'ndef' variant instructs the encoder |
| 80 | * to use indefinite length constructed encoding, where appropriate | 76 | * to use indefinite length constructed encoding, where appropriate |
| 81 | */ | 77 | */ |
| 82 | 78 | ||
| 83 | int ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out, | 79 | int |
| 84 | const ASN1_ITEM *it) | 80 | ASN1_item_ndef_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it) |
| 85 | { | 81 | { |
| 86 | return asn1_item_flags_i2d(val, out, it, ASN1_TFLG_NDEF); | 82 | return asn1_item_flags_i2d(val, out, it, ASN1_TFLG_NDEF); |
| 87 | } | 83 | } |
| 88 | 84 | ||
| 89 | int ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it) | 85 | int |
| 86 | ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it) | ||
| 90 | { | 87 | { |
| 91 | return asn1_item_flags_i2d(val, out, it, 0); | 88 | return asn1_item_flags_i2d(val, out, it, 0); |
| 92 | } | 89 | } |
| 93 | 90 | ||
| 94 | /* Encode an ASN1 item, this is use by the | 91 | /* Encode an ASN1 item, this is use by the |
| 95 | * standard 'i2d' function. 'out' points to | 92 | * standard 'i2d' function. 'out' points to |
| 96 | * a buffer to output the data to. | 93 | * a buffer to output the data to. |
| 97 | * | 94 | * |
| 98 | * The new i2d has one additional feature. If the output | 95 | * The new i2d has one additional feature. If the output |
| @@ -100,8 +97,9 @@ int ASN1_item_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it) | |||
| 100 | * allocated and populated with the encoding. | 97 | * allocated and populated with the encoding. |
| 101 | */ | 98 | */ |
| 102 | 99 | ||
| 103 | static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, | 100 | static int |
| 104 | const ASN1_ITEM *it, int flags) | 101 | asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, const ASN1_ITEM *it, |
| 102 | int flags) | ||
| 105 | { | 103 | { |
| 106 | if (out && !*out) { | 104 | if (out && !*out) { |
| 107 | unsigned char *p, *buf; | 105 | unsigned char *p, *buf; |
| @@ -126,8 +124,9 @@ static int asn1_item_flags_i2d(ASN1_VALUE *val, unsigned char **out, | |||
| 126 | * used in external types. | 124 | * used in external types. |
| 127 | */ | 125 | */ |
| 128 | 126 | ||
| 129 | int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | 127 | int |
| 130 | const ASN1_ITEM *it, int tag, int aclass) | 128 | ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, |
| 129 | int tag, int aclass) | ||
| 131 | { | 130 | { |
| 132 | const ASN1_TEMPLATE *tt = NULL; | 131 | const ASN1_TEMPLATE *tt = NULL; |
| 133 | unsigned char *p = NULL; | 132 | unsigned char *p = NULL; |
| @@ -141,14 +140,14 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 141 | return 0; | 140 | return 0; |
| 142 | 141 | ||
| 143 | if (aux && aux->asn1_cb) | 142 | if (aux && aux->asn1_cb) |
| 144 | asn1_cb = aux->asn1_cb; | 143 | asn1_cb = aux->asn1_cb; |
| 145 | 144 | ||
| 146 | switch(it->itype) { | 145 | switch (it->itype) { |
| 147 | 146 | ||
| 148 | case ASN1_ITYPE_PRIMITIVE: | 147 | case ASN1_ITYPE_PRIMITIVE: |
| 149 | if (it->templates) | 148 | if (it->templates) |
| 150 | return asn1_template_ex_i2d(pval, out, it->templates, | 149 | return asn1_template_ex_i2d(pval, out, it->templates, |
| 151 | tag, aclass); | 150 | tag, aclass); |
| 152 | return asn1_i2d_ex_primitive(pval, out, it, tag, aclass); | 151 | return asn1_i2d_ex_primitive(pval, out, it, tag, aclass); |
| 153 | break; | 152 | break; |
| 154 | 153 | ||
| @@ -157,7 +156,7 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 157 | 156 | ||
| 158 | case ASN1_ITYPE_CHOICE: | 157 | case ASN1_ITYPE_CHOICE: |
| 159 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL)) | 158 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL)) |
| 160 | return 0; | 159 | return 0; |
| 161 | i = asn1_get_choice_selector(pval, it); | 160 | i = asn1_get_choice_selector(pval, it); |
| 162 | if ((i >= 0) && (i < it->tcount)) { | 161 | if ((i >= 0) && (i < it->tcount)) { |
| 163 | ASN1_VALUE **pchval; | 162 | ASN1_VALUE **pchval; |
| @@ -165,11 +164,11 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 165 | chtt = it->templates + i; | 164 | chtt = it->templates + i; |
| 166 | pchval = asn1_get_field_ptr(pval, chtt); | 165 | pchval = asn1_get_field_ptr(pval, chtt); |
| 167 | return asn1_template_ex_i2d(pchval, out, chtt, | 166 | return asn1_template_ex_i2d(pchval, out, chtt, |
| 168 | -1, aclass); | 167 | -1, aclass); |
| 169 | } | 168 | } |
| 170 | /* Fixme: error condition if selector out of range */ | 169 | /* Fixme: error condition if selector out of range */ |
| 171 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL)) | 170 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL)) |
| 172 | return 0; | 171 | return 0; |
| 173 | break; | 172 | break; |
| 174 | 173 | ||
| 175 | case ASN1_ITYPE_EXTERN: | 174 | case ASN1_ITYPE_EXTERN: |
| @@ -189,10 +188,11 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 189 | if (out && (tag != -1)) | 188 | if (out && (tag != -1)) |
| 190 | *p = aclass | tag | (*p & V_ASN1_CONSTRUCTED); | 189 | *p = aclass | tag | (*p & V_ASN1_CONSTRUCTED); |
| 191 | return i; | 190 | return i; |
| 192 | 191 | ||
| 193 | case ASN1_ITYPE_NDEF_SEQUENCE: | 192 | case ASN1_ITYPE_NDEF_SEQUENCE: |
| 194 | /* Use indefinite length constructed if requested */ | 193 | /* Use indefinite length constructed if requested */ |
| 195 | if (aclass & ASN1_TFLG_NDEF) ndef = 2; | 194 | if (aclass & ASN1_TFLG_NDEF) |
| 195 | ndef = 2; | ||
| 196 | /* fall through */ | 196 | /* fall through */ |
| 197 | 197 | ||
| 198 | case ASN1_ITYPE_SEQUENCE: | 198 | case ASN1_ITYPE_SEQUENCE: |
| @@ -209,11 +209,11 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 209 | if (tag == -1) { | 209 | if (tag == -1) { |
| 210 | tag = V_ASN1_SEQUENCE; | 210 | tag = V_ASN1_SEQUENCE; |
| 211 | /* Retain any other flags in aclass */ | 211 | /* Retain any other flags in aclass */ |
| 212 | aclass = (aclass & ~ASN1_TFLG_TAG_CLASS) | 212 | aclass = (aclass & ~ASN1_TFLG_TAG_CLASS) | |
| 213 | | V_ASN1_UNIVERSAL; | 213 | V_ASN1_UNIVERSAL; |
| 214 | } | 214 | } |
| 215 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL)) | 215 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_PRE, pval, it, NULL)) |
| 216 | return 0; | 216 | return 0; |
| 217 | /* First work out sequence content length */ | 217 | /* First work out sequence content length */ |
| 218 | for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) { | 218 | for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) { |
| 219 | const ASN1_TEMPLATE *seqtt; | 219 | const ASN1_TEMPLATE *seqtt; |
| @@ -224,7 +224,7 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 224 | pseqval = asn1_get_field_ptr(pval, seqtt); | 224 | pseqval = asn1_get_field_ptr(pval, seqtt); |
| 225 | /* FIXME: check for errors in enhanced version */ | 225 | /* FIXME: check for errors in enhanced version */ |
| 226 | seqcontlen += asn1_template_ex_i2d(pseqval, NULL, seqtt, | 226 | seqcontlen += asn1_template_ex_i2d(pseqval, NULL, seqtt, |
| 227 | -1, aclass); | 227 | -1, aclass); |
| 228 | } | 228 | } |
| 229 | 229 | ||
| 230 | seqlen = ASN1_object_size(ndef, seqcontlen, tag); | 230 | seqlen = ASN1_object_size(ndef, seqcontlen, tag); |
| @@ -245,24 +245,26 @@ int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 245 | if (ndef == 2) | 245 | if (ndef == 2) |
| 246 | ASN1_put_eoc(out); | 246 | ASN1_put_eoc(out); |
| 247 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL)) | 247 | if (asn1_cb && !asn1_cb(ASN1_OP_I2D_POST, pval, it, NULL)) |
| 248 | return 0; | 248 | return 0; |
| 249 | return seqlen; | 249 | return seqlen; |
| 250 | 250 | ||
| 251 | default: | 251 | default: |
| 252 | return 0; | 252 | return 0; |
| 253 | 253 | ||
| 254 | } | 254 | } |
| 255 | return 0; | 255 | return 0; |
| 256 | } | 256 | } |
| 257 | 257 | ||
| 258 | int ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, | 258 | int |
| 259 | const ASN1_TEMPLATE *tt) | 259 | ASN1_template_i2d(ASN1_VALUE **pval, unsigned char **out, |
| 260 | const ASN1_TEMPLATE *tt) | ||
| 260 | { | 261 | { |
| 261 | return asn1_template_ex_i2d(pval, out, tt, -1, 0); | 262 | return asn1_template_ex_i2d(pval, out, tt, -1, 0); |
| 262 | } | 263 | } |
| 263 | 264 | ||
| 264 | static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | 265 | static int |
| 265 | const ASN1_TEMPLATE *tt, int tag, int iclass) | 266 | asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, |
| 267 | const ASN1_TEMPLATE *tt, int tag, int iclass) | ||
| 266 | { | 268 | { |
| 267 | int i, ret, flags, ttag, tclass, ndef; | 269 | int i, ret, flags, ttag, tclass, ndef; |
| 268 | flags = tt->flags; | 270 | flags = tt->flags; |
| @@ -288,7 +290,7 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 288 | ttag = -1; | 290 | ttag = -1; |
| 289 | tclass = 0; | 291 | tclass = 0; |
| 290 | } | 292 | } |
| 291 | /* | 293 | /* |
| 292 | * Remove any class mask from iflag. | 294 | * Remove any class mask from iflag. |
| 293 | */ | 295 | */ |
| 294 | iclass &= ~ASN1_TFLG_TAG_CLASS; | 296 | iclass &= ~ASN1_TFLG_TAG_CLASS; |
| @@ -301,7 +303,8 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 301 | /* if template and arguments require ndef, use it */ | 303 | /* if template and arguments require ndef, use it */ |
| 302 | if ((flags & ASN1_TFLG_NDEF) && (iclass & ASN1_TFLG_NDEF)) | 304 | if ((flags & ASN1_TFLG_NDEF) && (iclass & ASN1_TFLG_NDEF)) |
| 303 | ndef = 2; | 305 | ndef = 2; |
| 304 | else ndef = 1; | 306 | else |
| 307 | ndef = 1; | ||
| 305 | 308 | ||
| 306 | if (flags & ASN1_TFLG_SK_MASK) { | 309 | if (flags & ASN1_TFLG_SK_MASK) { |
| 307 | /* SET OF, SEQUENCE OF */ | 310 | /* SET OF, SEQUENCE OF */ |
| @@ -318,8 +321,8 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 318 | /* 2 means we reorder */ | 321 | /* 2 means we reorder */ |
| 319 | if (flags & ASN1_TFLG_SEQUENCE_OF) | 322 | if (flags & ASN1_TFLG_SEQUENCE_OF) |
| 320 | isset = 2; | 323 | isset = 2; |
| 321 | } | 324 | } else |
| 322 | else isset = 0; | 325 | isset = 0; |
| 323 | 326 | ||
| 324 | /* Work out inner tag value: if EXPLICIT | 327 | /* Work out inner tag value: if EXPLICIT |
| 325 | * or no tagging use underlying type. | 328 | * or no tagging use underlying type. |
| @@ -331,7 +334,8 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 331 | skaclass = V_ASN1_UNIVERSAL; | 334 | skaclass = V_ASN1_UNIVERSAL; |
| 332 | if (isset) | 335 | if (isset) |
| 333 | sktag = V_ASN1_SET; | 336 | sktag = V_ASN1_SET; |
| 334 | else sktag = V_ASN1_SEQUENCE; | 337 | else |
| 338 | sktag = V_ASN1_SEQUENCE; | ||
| 335 | } | 339 | } |
| 336 | 340 | ||
| 337 | /* Determine total length of items */ | 341 | /* Determine total length of items */ |
| @@ -339,14 +343,14 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 339 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) { | 343 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) { |
| 340 | skitem = sk_ASN1_VALUE_value(sk, i); | 344 | skitem = sk_ASN1_VALUE_value(sk, i); |
| 341 | skcontlen += ASN1_item_ex_i2d(&skitem, NULL, | 345 | skcontlen += ASN1_item_ex_i2d(&skitem, NULL, |
| 342 | ASN1_ITEM_ptr(tt->item), | 346 | ASN1_ITEM_ptr(tt->item), -1, iclass); |
| 343 | -1, iclass); | ||
| 344 | } | 347 | } |
| 345 | sklen = ASN1_object_size(ndef, skcontlen, sktag); | 348 | sklen = ASN1_object_size(ndef, skcontlen, sktag); |
| 346 | /* If EXPLICIT need length of surrounding tag */ | 349 | /* If EXPLICIT need length of surrounding tag */ |
| 347 | if (flags & ASN1_TFLG_EXPTAG) | 350 | if (flags & ASN1_TFLG_EXPTAG) |
| 348 | ret = ASN1_object_size(ndef, sklen, ttag); | 351 | ret = ASN1_object_size(ndef, sklen, ttag); |
| 349 | else ret = sklen; | 352 | else |
| 353 | ret = sklen; | ||
| 350 | 354 | ||
| 351 | if (!out) | 355 | if (!out) |
| 352 | return ret; | 356 | return ret; |
| @@ -359,7 +363,7 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 359 | ASN1_put_object(out, ndef, skcontlen, sktag, skaclass); | 363 | ASN1_put_object(out, ndef, skcontlen, sktag, skaclass); |
| 360 | /* And the stuff itself */ | 364 | /* And the stuff itself */ |
| 361 | asn1_set_seq_out(sk, out, skcontlen, ASN1_ITEM_ptr(tt->item), | 365 | asn1_set_seq_out(sk, out, skcontlen, ASN1_ITEM_ptr(tt->item), |
| 362 | isset, iclass); | 366 | isset, iclass); |
| 363 | if (ndef == 2) { | 367 | if (ndef == 2) { |
| 364 | ASN1_put_eoc(out); | 368 | ASN1_put_eoc(out); |
| 365 | if (flags & ASN1_TFLG_EXPTAG) | 369 | if (flags & ASN1_TFLG_EXPTAG) |
| @@ -373,7 +377,7 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 373 | /* EXPLICIT tagging */ | 377 | /* EXPLICIT tagging */ |
| 374 | /* Find length of tagged item */ | 378 | /* Find length of tagged item */ |
| 375 | i = ASN1_item_ex_i2d(pval, NULL, ASN1_ITEM_ptr(tt->item), | 379 | i = ASN1_item_ex_i2d(pval, NULL, ASN1_ITEM_ptr(tt->item), |
| 376 | -1, iclass); | 380 | -1, iclass); |
| 377 | if (!i) | 381 | if (!i) |
| 378 | return 0; | 382 | return 0; |
| 379 | /* Find length of EXPLICIT tag */ | 383 | /* Find length of EXPLICIT tag */ |
| @@ -382,7 +386,7 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 382 | /* Output tag and item */ | 386 | /* Output tag and item */ |
| 383 | ASN1_put_object(out, ndef, i, ttag, tclass); | 387 | ASN1_put_object(out, ndef, i, ttag, tclass); |
| 384 | ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item), | 388 | ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item), |
| 385 | -1, iclass); | 389 | -1, iclass); |
| 386 | if (ndef == 2) | 390 | if (ndef == 2) |
| 387 | ASN1_put_eoc(out); | 391 | ASN1_put_eoc(out); |
| 388 | } | 392 | } |
| @@ -391,8 +395,7 @@ static int asn1_template_ex_i2d(ASN1_VALUE **pval, unsigned char **out, | |||
| 391 | 395 | ||
| 392 | /* Either normal or IMPLICIT tagging: combine class and flags */ | 396 | /* Either normal or IMPLICIT tagging: combine class and flags */ |
| 393 | return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item), | 397 | return ASN1_item_ex_i2d(pval, out, ASN1_ITEM_ptr(tt->item), |
| 394 | ttag, tclass | iclass); | 398 | ttag, tclass | iclass); |
| 395 | |||
| 396 | } | 399 | } |
| 397 | 400 | ||
| 398 | /* Temporary structure used to hold DER encoding of items for SET OF */ | 401 | /* Temporary structure used to hold DER encoding of items for SET OF */ |
| @@ -403,10 +406,12 @@ typedef struct { | |||
| 403 | ASN1_VALUE *field; | 406 | ASN1_VALUE *field; |
| 404 | } DER_ENC; | 407 | } DER_ENC; |
| 405 | 408 | ||
| 406 | static int der_cmp(const void *a, const void *b) | 409 | static int |
| 410 | der_cmp(const void *a, const void *b) | ||
| 407 | { | 411 | { |
| 408 | const DER_ENC *d1 = a, *d2 = b; | 412 | const DER_ENC *d1 = a, *d2 = b; |
| 409 | int cmplen, i; | 413 | int cmplen, i; |
| 414 | |||
| 410 | cmplen = (d1->length < d2->length) ? d1->length : d2->length; | 415 | cmplen = (d1->length < d2->length) ? d1->length : d2->length; |
| 411 | i = memcmp(d1->data, d2->data, cmplen); | 416 | i = memcmp(d1->data, d2->data, cmplen); |
| 412 | if (i) | 417 | if (i) |
| @@ -416,22 +421,22 @@ static int der_cmp(const void *a, const void *b) | |||
| 416 | 421 | ||
| 417 | /* Output the content octets of SET OF or SEQUENCE OF */ | 422 | /* Output the content octets of SET OF or SEQUENCE OF */ |
| 418 | 423 | ||
| 419 | static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, | 424 | static int |
| 420 | int skcontlen, const ASN1_ITEM *item, | 425 | asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, int skcontlen, |
| 421 | int do_sort, int iclass) | 426 | const ASN1_ITEM *item, int do_sort, int iclass) |
| 422 | { | 427 | { |
| 423 | int i; | 428 | int i; |
| 424 | ASN1_VALUE *skitem; | 429 | ASN1_VALUE *skitem; |
| 425 | unsigned char *tmpdat = NULL, *p = NULL; | 430 | unsigned char *tmpdat = NULL, *p = NULL; |
| 426 | DER_ENC *derlst = NULL, *tder; | 431 | DER_ENC *derlst = NULL, *tder; |
| 427 | if (do_sort) | 432 | |
| 428 | { | 433 | if (do_sort) { |
| 429 | /* Don't need to sort less than 2 items */ | 434 | /* Don't need to sort less than 2 items */ |
| 430 | if (sk_ASN1_VALUE_num(sk) < 2) | 435 | if (sk_ASN1_VALUE_num(sk) < 2) |
| 431 | do_sort = 0; | 436 | do_sort = 0; |
| 432 | else { | 437 | else { |
| 433 | derlst = malloc(sk_ASN1_VALUE_num(sk) | 438 | derlst = malloc(sk_ASN1_VALUE_num(sk) * |
| 434 | * sizeof(*derlst)); | 439 | sizeof(*derlst)); |
| 435 | tmpdat = malloc(skcontlen); | 440 | tmpdat = malloc(skcontlen); |
| 436 | if (!derlst || !tmpdat) { | 441 | if (!derlst || !tmpdat) { |
| 437 | free(derlst); | 442 | free(derlst); |
| @@ -460,7 +465,7 @@ static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, | |||
| 460 | 465 | ||
| 461 | /* Now sort them */ | 466 | /* Now sort them */ |
| 462 | qsort(derlst, sk_ASN1_VALUE_num(sk), sizeof(*derlst), der_cmp); | 467 | qsort(derlst, sk_ASN1_VALUE_num(sk), sizeof(*derlst), der_cmp); |
| 463 | /* Output sorted DER encoding */ | 468 | /* Output sorted DER encoding */ |
| 464 | p = *out; | 469 | p = *out; |
| 465 | for (i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++) { | 470 | for (i = 0, tder = derlst; i < sk_ASN1_VALUE_num(sk); i++, tder++) { |
| 466 | memcpy(p, tder->data, tder->length); | 471 | memcpy(p, tder->data, tder->length); |
| @@ -477,8 +482,9 @@ static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out, | |||
| 477 | return 1; | 482 | return 1; |
| 478 | } | 483 | } |
| 479 | 484 | ||
| 480 | static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, | 485 | static int |
| 481 | const ASN1_ITEM *it, int tag, int aclass) | 486 | asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, |
| 487 | const ASN1_ITEM *it, int tag, int aclass) | ||
| 482 | { | 488 | { |
| 483 | int len; | 489 | int len; |
| 484 | int utype; | 490 | int utype; |
| @@ -500,12 +506,12 @@ static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, | |||
| 500 | * utype. | 506 | * utype. |
| 501 | */ | 507 | */ |
| 502 | if ((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) || | 508 | if ((utype == V_ASN1_SEQUENCE) || (utype == V_ASN1_SET) || |
| 503 | (utype == V_ASN1_OTHER)) | 509 | (utype == V_ASN1_OTHER)) |
| 504 | usetag = 0; | 510 | usetag = 0; |
| 505 | else usetag = 1; | 511 | else |
| 512 | usetag = 1; | ||
| 506 | 513 | ||
| 507 | /* -1 means omit type */ | 514 | /* -1 means omit type */ |
| 508 | |||
| 509 | if (len == -1) | 515 | if (len == -1) |
| 510 | return 0; | 516 | return 0; |
| 511 | 517 | ||
| @@ -516,7 +522,8 @@ static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, | |||
| 516 | } | 522 | } |
| 517 | 523 | ||
| 518 | /* If not implicitly tagged get tag from underlying type */ | 524 | /* If not implicitly tagged get tag from underlying type */ |
| 519 | if (tag == -1) tag = utype; | 525 | if (tag == -1) |
| 526 | tag = utype; | ||
| 520 | 527 | ||
| 521 | /* Output tag+length followed by content octets */ | 528 | /* Output tag+length followed by content octets */ |
| 522 | if (out) { | 529 | if (out) { |
| @@ -536,8 +543,9 @@ static int asn1_i2d_ex_primitive(ASN1_VALUE **pval, unsigned char **out, | |||
| 536 | 543 | ||
| 537 | /* Produce content octets from a structure */ | 544 | /* Produce content octets from a structure */ |
| 538 | 545 | ||
| 539 | int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | 546 | int |
| 540 | const ASN1_ITEM *it) | 547 | asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, |
| 548 | const ASN1_ITEM *it) | ||
| 541 | { | 549 | { |
| 542 | ASN1_BOOLEAN *tbool = NULL; | 550 | ASN1_BOOLEAN *tbool = NULL; |
| 543 | ASN1_STRING *strtmp; | 551 | ASN1_STRING *strtmp; |
| @@ -547,13 +555,16 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | |||
| 547 | unsigned char c; | 555 | unsigned char c; |
| 548 | int len; | 556 | int len; |
| 549 | const ASN1_PRIMITIVE_FUNCS *pf; | 557 | const ASN1_PRIMITIVE_FUNCS *pf; |
| 558 | |||
| 550 | pf = it->funcs; | 559 | pf = it->funcs; |
| 551 | if (pf && pf->prim_i2c) | 560 | if (pf && pf->prim_i2c) |
| 552 | return pf->prim_i2c(pval, cout, putype, it); | 561 | return pf->prim_i2c(pval, cout, putype, it); |
| 553 | 562 | ||
| 554 | /* Should type be omitted? */ | 563 | /* Should type be omitted? */ |
| 555 | if ((it->itype != ASN1_ITYPE_PRIMITIVE) || (it->utype != V_ASN1_BOOLEAN)) { | 564 | if ((it->itype != ASN1_ITYPE_PRIMITIVE) || |
| 556 | if (!*pval) return -1; | 565 | (it->utype != V_ASN1_BOOLEAN)) { |
| 566 | if (!*pval) | ||
| 567 | return -1; | ||
| 557 | } | 568 | } |
| 558 | 569 | ||
| 559 | if (it->itype == ASN1_ITYPE_MSTRING) { | 570 | if (it->itype == ASN1_ITYPE_MSTRING) { |
| @@ -568,10 +579,10 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | |||
| 568 | utype = typ->type; | 579 | utype = typ->type; |
| 569 | *putype = utype; | 580 | *putype = utype; |
| 570 | pval = &typ->value.asn1_value; | 581 | pval = &typ->value.asn1_value; |
| 571 | } | 582 | } else |
| 572 | else utype = *putype; | 583 | utype = *putype; |
| 573 | 584 | ||
| 574 | switch(utype) { | 585 | switch (utype) { |
| 575 | case V_ASN1_OBJECT: | 586 | case V_ASN1_OBJECT: |
| 576 | otmp = (ASN1_OBJECT *)*pval; | 587 | otmp = (ASN1_OBJECT *)*pval; |
| 577 | cont = otmp->data; | 588 | cont = otmp->data; |
| @@ -601,7 +612,7 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | |||
| 601 | 612 | ||
| 602 | case V_ASN1_BIT_STRING: | 613 | case V_ASN1_BIT_STRING: |
| 603 | return i2c_ASN1_BIT_STRING((ASN1_BIT_STRING *)*pval, | 614 | return i2c_ASN1_BIT_STRING((ASN1_BIT_STRING *)*pval, |
| 604 | cout ? &cout : NULL); | 615 | cout ? &cout : NULL); |
| 605 | break; | 616 | break; |
| 606 | 617 | ||
| 607 | case V_ASN1_INTEGER: | 618 | case V_ASN1_INTEGER: |
| @@ -612,7 +623,7 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | |||
| 612 | * as ASN1_INTEGER | 623 | * as ASN1_INTEGER |
| 613 | */ | 624 | */ |
| 614 | return i2c_ASN1_INTEGER((ASN1_INTEGER *)*pval, | 625 | return i2c_ASN1_INTEGER((ASN1_INTEGER *)*pval, |
| 615 | cout ? &cout : NULL); | 626 | cout ? &cout : NULL); |
| 616 | break; | 627 | break; |
| 617 | 628 | ||
| 618 | case V_ASN1_OCTET_STRING: | 629 | case V_ASN1_OCTET_STRING: |
| @@ -635,8 +646,8 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype, | |||
| 635 | /* All based on ASN1_STRING and handled the same */ | 646 | /* All based on ASN1_STRING and handled the same */ |
| 636 | strtmp = (ASN1_STRING *)*pval; | 647 | strtmp = (ASN1_STRING *)*pval; |
| 637 | /* Special handling for NDEF */ | 648 | /* Special handling for NDEF */ |
| 638 | if ((it->size == ASN1_TFLG_NDEF) | 649 | if ((it->size == ASN1_TFLG_NDEF) && |
| 639 | && (strtmp->flags & ASN1_STRING_FLAG_NDEF)) { | 650 | (strtmp->flags & ASN1_STRING_FLAG_NDEF)) { |
| 640 | if (cout) { | 651 | if (cout) { |
| 641 | strtmp->data = cout; | 652 | strtmp->data = cout; |
| 642 | strtmp->length = 0; | 653 | strtmp->length = 0; |
