diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/asn1/asn1_gen.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/asn1/asn1_gen.c | 854 |
1 files changed, 854 insertions, 0 deletions
diff --git a/drivers/builtin_openssl/crypto/asn1/asn1_gen.c b/drivers/builtin_openssl/crypto/asn1/asn1_gen.c new file mode 100644 index 0000000000..4fc241908f --- /dev/null +++ b/drivers/builtin_openssl/crypto/asn1/asn1_gen.c @@ -0,0 +1,854 @@ +/* asn1_gen.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 2002. + */ +/* ==================================================================== + * Copyright (c) 2002 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "cryptlib.h" +#include <openssl/asn1.h> +#include <openssl/x509v3.h> + +#define ASN1_GEN_FLAG 0x10000 +#define ASN1_GEN_FLAG_IMP (ASN1_GEN_FLAG|1) +#define ASN1_GEN_FLAG_EXP (ASN1_GEN_FLAG|2) +#define ASN1_GEN_FLAG_TAG (ASN1_GEN_FLAG|3) +#define ASN1_GEN_FLAG_BITWRAP (ASN1_GEN_FLAG|4) +#define ASN1_GEN_FLAG_OCTWRAP (ASN1_GEN_FLAG|5) +#define ASN1_GEN_FLAG_SEQWRAP (ASN1_GEN_FLAG|6) +#define ASN1_GEN_FLAG_SETWRAP (ASN1_GEN_FLAG|7) +#define ASN1_GEN_FLAG_FORMAT (ASN1_GEN_FLAG|8) + +#define ASN1_GEN_STR(str,val) {str, sizeof(str) - 1, val} + +#define ASN1_FLAG_EXP_MAX 20 + +/* Input formats */ + +/* ASCII: default */ +#define ASN1_GEN_FORMAT_ASCII 1 +/* UTF8 */ +#define ASN1_GEN_FORMAT_UTF8 2 +/* Hex */ +#define ASN1_GEN_FORMAT_HEX 3 +/* List of bits */ +#define ASN1_GEN_FORMAT_BITLIST 4 + + +struct tag_name_st + { + const char *strnam; + int len; + int tag; + }; + +typedef struct + { + int exp_tag; + int exp_class; + int exp_constructed; + int exp_pad; + long exp_len; + } tag_exp_type; + +typedef struct + { + int imp_tag; + int imp_class; + int utype; + int format; + const char *str; + tag_exp_type exp_list[ASN1_FLAG_EXP_MAX]; + int exp_count; + } tag_exp_arg; + +static int bitstr_cb(const char *elem, int len, void *bitstr); +static int asn1_cb(const char *elem, int len, void *bitstr); +static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok); +static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass); +static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf); +static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype); +static int asn1_str2tag(const char *tagstr, int len); + +ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf) + { + X509V3_CTX cnf; + + if (!nconf) + return ASN1_generate_v3(str, NULL); + + X509V3_set_nconf(&cnf, nconf); + return ASN1_generate_v3(str, &cnf); + } + +ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf) + { + ASN1_TYPE *ret; + tag_exp_arg asn1_tags; + tag_exp_type *etmp; + + int i, len; + + unsigned char *orig_der = NULL, *new_der = NULL; + const unsigned char *cpy_start; + unsigned char *p; + const unsigned char *cp; + int cpy_len; + long hdr_len; + int hdr_constructed = 0, hdr_tag, hdr_class; + int r; + + asn1_tags.imp_tag = -1; + asn1_tags.imp_class = -1; + asn1_tags.format = ASN1_GEN_FORMAT_ASCII; + asn1_tags.exp_count = 0; + if (CONF_parse_list(str, ',', 1, asn1_cb, &asn1_tags) != 0) + return NULL; + + if ((asn1_tags.utype == V_ASN1_SEQUENCE) || (asn1_tags.utype == V_ASN1_SET)) + { + if (!cnf) + { + ASN1err(ASN1_F_ASN1_GENERATE_V3, ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG); + return NULL; + } + ret = asn1_multi(asn1_tags.utype, asn1_tags.str, cnf); + } + else + ret = asn1_str2type(asn1_tags.str, asn1_tags.format, asn1_tags.utype); + + if (!ret) + return NULL; + + /* If no tagging return base type */ + if ((asn1_tags.imp_tag == -1) && (asn1_tags.exp_count == 0)) + return ret; + + /* Generate the encoding */ + cpy_len = i2d_ASN1_TYPE(ret, &orig_der); + ASN1_TYPE_free(ret); + ret = NULL; + /* Set point to start copying for modified encoding */ + cpy_start = orig_der; + + /* Do we need IMPLICIT tagging? */ + if (asn1_tags.imp_tag != -1) + { + /* If IMPLICIT we will replace the underlying tag */ + /* Skip existing tag+len */ + r = ASN1_get_object(&cpy_start, &hdr_len, &hdr_tag, &hdr_class, cpy_len); + if (r & 0x80) + goto err; + /* Update copy length */ + cpy_len -= cpy_start - orig_der; + /* For IMPLICIT tagging the length should match the + * original length and constructed flag should be + * consistent. + */ + if (r & 0x1) + { + /* Indefinite length constructed */ + hdr_constructed = 2; + hdr_len = 0; + } + else + /* Just retain constructed flag */ + hdr_constructed = r & V_ASN1_CONSTRUCTED; + /* Work out new length with IMPLICIT tag: ignore constructed + * because it will mess up if indefinite length + */ + len = ASN1_object_size(0, hdr_len, asn1_tags.imp_tag); + } + else + len = cpy_len; + + /* Work out length in any EXPLICIT, starting from end */ + + for(i = 0, etmp = asn1_tags.exp_list + asn1_tags.exp_count - 1; i < asn1_tags.exp_count; i++, etmp--) + { + /* Content length: number of content octets + any padding */ + len += etmp->exp_pad; + etmp->exp_len = len; + /* Total object length: length including new header */ + len = ASN1_object_size(0, len, etmp->exp_tag); + } + + /* Allocate buffer for new encoding */ + + new_der = OPENSSL_malloc(len); + if (!new_der) + goto err; + + /* Generate tagged encoding */ + + p = new_der; + + /* Output explicit tags first */ + + for (i = 0, etmp = asn1_tags.exp_list; i < asn1_tags.exp_count; i++, etmp++) + { + ASN1_put_object(&p, etmp->exp_constructed, etmp->exp_len, + etmp->exp_tag, etmp->exp_class); + if (etmp->exp_pad) + *p++ = 0; + } + + /* If IMPLICIT, output tag */ + + if (asn1_tags.imp_tag != -1) + { + if (asn1_tags.imp_class == V_ASN1_UNIVERSAL + && (asn1_tags.imp_tag == V_ASN1_SEQUENCE + || asn1_tags.imp_tag == V_ASN1_SET) ) + hdr_constructed = V_ASN1_CONSTRUCTED; + ASN1_put_object(&p, hdr_constructed, hdr_len, + asn1_tags.imp_tag, asn1_tags.imp_class); + } + + /* Copy across original encoding */ + memcpy(p, cpy_start, cpy_len); + + cp = new_der; + + /* Obtain new ASN1_TYPE structure */ + ret = d2i_ASN1_TYPE(NULL, &cp, len); + + err: + if (orig_der) + OPENSSL_free(orig_der); + if (new_der) + OPENSSL_free(new_der); + + return ret; + + } + +static int asn1_cb(const char *elem, int len, void *bitstr) + { + tag_exp_arg *arg = bitstr; + int i; + int utype; + int vlen = 0; + const char *p, *vstart = NULL; + + int tmp_tag, tmp_class; + + for(i = 0, p = elem; i < len; p++, i++) + { + /* Look for the ':' in name value pairs */ + if (*p == ':') + { + vstart = p + 1; + vlen = len - (vstart - elem); + len = p - elem; + break; + } + } + + utype = asn1_str2tag(elem, len); + + if (utype == -1) + { + ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKNOWN_TAG); + ERR_add_error_data(2, "tag=", elem); + return -1; + } + + /* If this is not a modifier mark end of string and exit */ + if (!(utype & ASN1_GEN_FLAG)) + { + arg->utype = utype; + arg->str = vstart; + /* If no value and not end of string, error */ + if (!vstart && elem[len]) + { + ASN1err(ASN1_F_ASN1_CB, ASN1_R_MISSING_VALUE); + return -1; + } + return 0; + } + + switch(utype) + { + + case ASN1_GEN_FLAG_IMP: + /* Check for illegal multiple IMPLICIT tagging */ + if (arg->imp_tag != -1) + { + ASN1err(ASN1_F_ASN1_CB, ASN1_R_ILLEGAL_NESTED_TAGGING); + return -1; + } + if (!parse_tagging(vstart, vlen, &arg->imp_tag, &arg->imp_class)) + return -1; + break; + + case ASN1_GEN_FLAG_EXP: + + if (!parse_tagging(vstart, vlen, &tmp_tag, &tmp_class)) + return -1; + if (!append_exp(arg, tmp_tag, tmp_class, 1, 0, 0)) + return -1; + break; + + case ASN1_GEN_FLAG_SEQWRAP: + if (!append_exp(arg, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, 1, 0, 1)) + return -1; + break; + + case ASN1_GEN_FLAG_SETWRAP: + if (!append_exp(arg, V_ASN1_SET, V_ASN1_UNIVERSAL, 1, 0, 1)) + return -1; + break; + + case ASN1_GEN_FLAG_BITWRAP: + if (!append_exp(arg, V_ASN1_BIT_STRING, V_ASN1_UNIVERSAL, 0, 1, 1)) + return -1; + break; + + case ASN1_GEN_FLAG_OCTWRAP: + if (!append_exp(arg, V_ASN1_OCTET_STRING, V_ASN1_UNIVERSAL, 0, 0, 1)) + return -1; + break; + + case ASN1_GEN_FLAG_FORMAT: + if (!strncmp(vstart, "ASCII", 5)) + arg->format = ASN1_GEN_FORMAT_ASCII; + else if (!strncmp(vstart, "UTF8", 4)) + arg->format = ASN1_GEN_FORMAT_UTF8; + else if (!strncmp(vstart, "HEX", 3)) + arg->format = ASN1_GEN_FORMAT_HEX; + else if (!strncmp(vstart, "BITLIST", 3)) + arg->format = ASN1_GEN_FORMAT_BITLIST; + else + { + ASN1err(ASN1_F_ASN1_CB, ASN1_R_UNKOWN_FORMAT); + return -1; + } + break; + + } + + return 1; + + } + +static int parse_tagging(const char *vstart, int vlen, int *ptag, int *pclass) + { + char erch[2]; + long tag_num; + char *eptr; + if (!vstart) + return 0; + tag_num = strtoul(vstart, &eptr, 10); + /* Check we haven't gone past max length: should be impossible */ + if (eptr && *eptr && (eptr > vstart + vlen)) + return 0; + if (tag_num < 0) + { + ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_NUMBER); + return 0; + } + *ptag = tag_num; + /* If we have non numeric characters, parse them */ + if (eptr) + vlen -= eptr - vstart; + else + vlen = 0; + if (vlen) + { + switch (*eptr) + { + + case 'U': + *pclass = V_ASN1_UNIVERSAL; + break; + + case 'A': + *pclass = V_ASN1_APPLICATION; + break; + + case 'P': + *pclass = V_ASN1_PRIVATE; + break; + + case 'C': + *pclass = V_ASN1_CONTEXT_SPECIFIC; + break; + + default: + erch[0] = *eptr; + erch[1] = 0; + ASN1err(ASN1_F_PARSE_TAGGING, ASN1_R_INVALID_MODIFIER); + ERR_add_error_data(2, "Char=", erch); + return 0; + break; + + } + } + else + *pclass = V_ASN1_CONTEXT_SPECIFIC; + + return 1; + + } + +/* Handle multiple types: SET and SEQUENCE */ + +static ASN1_TYPE *asn1_multi(int utype, const char *section, X509V3_CTX *cnf) + { + ASN1_TYPE *ret = NULL; + STACK_OF(ASN1_TYPE) *sk = NULL; + STACK_OF(CONF_VALUE) *sect = NULL; + unsigned char *der = NULL; + int derlen; + int i; + sk = sk_ASN1_TYPE_new_null(); + if (!sk) + goto bad; + if (section) + { + if (!cnf) + goto bad; + sect = X509V3_get_section(cnf, (char *)section); + if (!sect) + goto bad; + for (i = 0; i < sk_CONF_VALUE_num(sect); i++) + { + ASN1_TYPE *typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf); + if (!typ) + goto bad; + if (!sk_ASN1_TYPE_push(sk, typ)) + goto bad; + } + } + + /* Now we has a STACK of the components, convert to the correct form */ + + if (utype == V_ASN1_SET) + derlen = i2d_ASN1_SET_ANY(sk, &der); + else + derlen = i2d_ASN1_SEQUENCE_ANY(sk, &der); + + if (derlen < 0) + goto bad; + + if (!(ret = ASN1_TYPE_new())) + goto bad; + + if (!(ret->value.asn1_string = ASN1_STRING_type_new(utype))) + goto bad; + + ret->type = utype; + + ret->value.asn1_string->data = der; + ret->value.asn1_string->length = derlen; + + der = NULL; + + bad: + + if (der) + OPENSSL_free(der); + + if (sk) + sk_ASN1_TYPE_pop_free(sk, ASN1_TYPE_free); + if (sect) + X509V3_section_free(cnf, sect); + + return ret; + } + +static int append_exp(tag_exp_arg *arg, int exp_tag, int exp_class, int exp_constructed, int exp_pad, int imp_ok) + { + tag_exp_type *exp_tmp; + /* Can only have IMPLICIT if permitted */ + if ((arg->imp_tag != -1) && !imp_ok) + { + ASN1err(ASN1_F_APPEND_EXP, ASN1_R_ILLEGAL_IMPLICIT_TAG); + return 0; + } + + if (arg->exp_count == ASN1_FLAG_EXP_MAX) + { + ASN1err(ASN1_F_APPEND_EXP, ASN1_R_DEPTH_EXCEEDED); + return 0; + } + + exp_tmp = &arg->exp_list[arg->exp_count++]; + + /* If IMPLICIT set tag to implicit value then + * reset implicit tag since it has been used. + */ + if (arg->imp_tag != -1) + { + exp_tmp->exp_tag = arg->imp_tag; + exp_tmp->exp_class = arg->imp_class; + arg->imp_tag = -1; + arg->imp_class = -1; + } + else + { + exp_tmp->exp_tag = exp_tag; + exp_tmp->exp_class = exp_class; + } + exp_tmp->exp_constructed = exp_constructed; + exp_tmp->exp_pad = exp_pad; + + return 1; + } + + +static int asn1_str2tag(const char *tagstr, int len) + { + unsigned int i; + static const struct tag_name_st *tntmp, tnst [] = { + ASN1_GEN_STR("BOOL", V_ASN1_BOOLEAN), + ASN1_GEN_STR("BOOLEAN", V_ASN1_BOOLEAN), + ASN1_GEN_STR("NULL", V_ASN1_NULL), + ASN1_GEN_STR("INT", V_ASN1_INTEGER), + ASN1_GEN_STR("INTEGER", V_ASN1_INTEGER), + ASN1_GEN_STR("ENUM", V_ASN1_ENUMERATED), + ASN1_GEN_STR("ENUMERATED", V_ASN1_ENUMERATED), + ASN1_GEN_STR("OID", V_ASN1_OBJECT), + ASN1_GEN_STR("OBJECT", V_ASN1_OBJECT), + ASN1_GEN_STR("UTCTIME", V_ASN1_UTCTIME), + ASN1_GEN_STR("UTC", V_ASN1_UTCTIME), + ASN1_GEN_STR("GENERALIZEDTIME", V_ASN1_GENERALIZEDTIME), + ASN1_GEN_STR("GENTIME", V_ASN1_GENERALIZEDTIME), + ASN1_GEN_STR("OCT", V_ASN1_OCTET_STRING), + ASN1_GEN_STR("OCTETSTRING", V_ASN1_OCTET_STRING), + ASN1_GEN_STR("BITSTR", V_ASN1_BIT_STRING), + ASN1_GEN_STR("BITSTRING", V_ASN1_BIT_STRING), + ASN1_GEN_STR("UNIVERSALSTRING", V_ASN1_UNIVERSALSTRING), + ASN1_GEN_STR("UNIV", V_ASN1_UNIVERSALSTRING), + ASN1_GEN_STR("IA5", V_ASN1_IA5STRING), + ASN1_GEN_STR("IA5STRING", V_ASN1_IA5STRING), + ASN1_GEN_STR("UTF8", V_ASN1_UTF8STRING), + ASN1_GEN_STR("UTF8String", V_ASN1_UTF8STRING), + ASN1_GEN_STR("BMP", V_ASN1_BMPSTRING), + ASN1_GEN_STR("BMPSTRING", V_ASN1_BMPSTRING), + ASN1_GEN_STR("VISIBLESTRING", V_ASN1_VISIBLESTRING), + ASN1_GEN_STR("VISIBLE", V_ASN1_VISIBLESTRING), + ASN1_GEN_STR("PRINTABLESTRING", V_ASN1_PRINTABLESTRING), + ASN1_GEN_STR("PRINTABLE", V_ASN1_PRINTABLESTRING), + ASN1_GEN_STR("T61", V_ASN1_T61STRING), + ASN1_GEN_STR("T61STRING", V_ASN1_T61STRING), + ASN1_GEN_STR("TELETEXSTRING", V_ASN1_T61STRING), + ASN1_GEN_STR("GeneralString", V_ASN1_GENERALSTRING), + ASN1_GEN_STR("GENSTR", V_ASN1_GENERALSTRING), + ASN1_GEN_STR("NUMERIC", V_ASN1_NUMERICSTRING), + ASN1_GEN_STR("NUMERICSTRING", V_ASN1_NUMERICSTRING), + + /* Special cases */ + ASN1_GEN_STR("SEQUENCE", V_ASN1_SEQUENCE), + ASN1_GEN_STR("SEQ", V_ASN1_SEQUENCE), + ASN1_GEN_STR("SET", V_ASN1_SET), + /* type modifiers */ + /* Explicit tag */ + ASN1_GEN_STR("EXP", ASN1_GEN_FLAG_EXP), + ASN1_GEN_STR("EXPLICIT", ASN1_GEN_FLAG_EXP), + /* Implicit tag */ + ASN1_GEN_STR("IMP", ASN1_GEN_FLAG_IMP), + ASN1_GEN_STR("IMPLICIT", ASN1_GEN_FLAG_IMP), + /* OCTET STRING wrapper */ + ASN1_GEN_STR("OCTWRAP", ASN1_GEN_FLAG_OCTWRAP), + /* SEQUENCE wrapper */ + ASN1_GEN_STR("SEQWRAP", ASN1_GEN_FLAG_SEQWRAP), + /* SET wrapper */ + ASN1_GEN_STR("SETWRAP", ASN1_GEN_FLAG_SETWRAP), + /* BIT STRING wrapper */ + ASN1_GEN_STR("BITWRAP", ASN1_GEN_FLAG_BITWRAP), + ASN1_GEN_STR("FORM", ASN1_GEN_FLAG_FORMAT), + ASN1_GEN_STR("FORMAT", ASN1_GEN_FLAG_FORMAT), + }; + + if (len == -1) + len = strlen(tagstr); + + tntmp = tnst; + for (i = 0; i < sizeof(tnst) / sizeof(struct tag_name_st); i++, tntmp++) + { + if ((len == tntmp->len) && !strncmp(tntmp->strnam, tagstr, len)) + return tntmp->tag; + } + + return -1; + } + +static ASN1_TYPE *asn1_str2type(const char *str, int format, int utype) + { + ASN1_TYPE *atmp = NULL; + + CONF_VALUE vtmp; + + unsigned char *rdata; + long rdlen; + + int no_unused = 1; + + if (!(atmp = ASN1_TYPE_new())) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE); + return NULL; + } + + if (!str) + str = ""; + + switch(utype) + { + + case V_ASN1_NULL: + if (str && *str) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_NULL_VALUE); + goto bad_form; + } + break; + + case V_ASN1_BOOLEAN: + if (format != ASN1_GEN_FORMAT_ASCII) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_NOT_ASCII_FORMAT); + goto bad_form; + } + vtmp.name = NULL; + vtmp.section = NULL; + vtmp.value = (char *)str; + if (!X509V3_get_value_bool(&vtmp, &atmp->value.boolean)) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BOOLEAN); + goto bad_str; + } + break; + + case V_ASN1_INTEGER: + case V_ASN1_ENUMERATED: + if (format != ASN1_GEN_FORMAT_ASCII) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_INTEGER_NOT_ASCII_FORMAT); + goto bad_form; + } + if (!(atmp->value.integer = s2i_ASN1_INTEGER(NULL, (char *)str))) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_INTEGER); + goto bad_str; + } + break; + + case V_ASN1_OBJECT: + if (format != ASN1_GEN_FORMAT_ASCII) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_OBJECT_NOT_ASCII_FORMAT); + goto bad_form; + } + if (!(atmp->value.object = OBJ_txt2obj(str, 0))) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_OBJECT); + goto bad_str; + } + break; + + case V_ASN1_UTCTIME: + case V_ASN1_GENERALIZEDTIME: + if (format != ASN1_GEN_FORMAT_ASCII) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_TIME_NOT_ASCII_FORMAT); + goto bad_form; + } + if (!(atmp->value.asn1_string = ASN1_STRING_new())) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE); + goto bad_str; + } + if (!ASN1_STRING_set(atmp->value.asn1_string, str, -1)) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE); + goto bad_str; + } + atmp->value.asn1_string->type = utype; + if (!ASN1_TIME_check(atmp->value.asn1_string)) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_TIME_VALUE); + goto bad_str; + } + + break; + + case V_ASN1_BMPSTRING: + case V_ASN1_PRINTABLESTRING: + case V_ASN1_IA5STRING: + case V_ASN1_T61STRING: + case V_ASN1_UTF8STRING: + case V_ASN1_VISIBLESTRING: + case V_ASN1_UNIVERSALSTRING: + case V_ASN1_GENERALSTRING: + case V_ASN1_NUMERICSTRING: + + if (format == ASN1_GEN_FORMAT_ASCII) + format = MBSTRING_ASC; + else if (format == ASN1_GEN_FORMAT_UTF8) + format = MBSTRING_UTF8; + else + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_FORMAT); + goto bad_form; + } + + + if (ASN1_mbstring_copy(&atmp->value.asn1_string, (unsigned char *)str, + -1, format, ASN1_tag2bit(utype)) <= 0) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE); + goto bad_str; + } + + + break; + + case V_ASN1_BIT_STRING: + + case V_ASN1_OCTET_STRING: + + if (!(atmp->value.asn1_string = ASN1_STRING_new())) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ERR_R_MALLOC_FAILURE); + goto bad_form; + } + + if (format == ASN1_GEN_FORMAT_HEX) + { + + if (!(rdata = string_to_hex((char *)str, &rdlen))) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_HEX); + goto bad_str; + } + + atmp->value.asn1_string->data = rdata; + atmp->value.asn1_string->length = rdlen; + atmp->value.asn1_string->type = utype; + + } + else if (format == ASN1_GEN_FORMAT_ASCII) + ASN1_STRING_set(atmp->value.asn1_string, str, -1); + else if ((format == ASN1_GEN_FORMAT_BITLIST) && (utype == V_ASN1_BIT_STRING)) + { + if (!CONF_parse_list(str, ',', 1, bitstr_cb, atmp->value.bit_string)) + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_LIST_ERROR); + goto bad_str; + } + no_unused = 0; + + } + else + { + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_ILLEGAL_BITSTRING_FORMAT); + goto bad_form; + } + + if ((utype == V_ASN1_BIT_STRING) && no_unused) + { + atmp->value.asn1_string->flags + &= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07); + atmp->value.asn1_string->flags + |= ASN1_STRING_FLAG_BITS_LEFT; + } + + + break; + + default: + ASN1err(ASN1_F_ASN1_STR2TYPE, ASN1_R_UNSUPPORTED_TYPE); + goto bad_str; + break; + } + + + atmp->type = utype; + return atmp; + + + bad_str: + ERR_add_error_data(2, "string=", str); + bad_form: + + ASN1_TYPE_free(atmp); + return NULL; + + } + +static int bitstr_cb(const char *elem, int len, void *bitstr) + { + long bitnum; + char *eptr; + if (!elem) + return 0; + bitnum = strtoul(elem, &eptr, 10); + if (eptr && *eptr && (eptr != elem + len)) + return 0; + if (bitnum < 0) + { + ASN1err(ASN1_F_BITSTR_CB, ASN1_R_INVALID_NUMBER); + return 0; + } + if (!ASN1_BIT_STRING_set_bit(bitstr, bitnum, 1)) + { + ASN1err(ASN1_F_BITSTR_CB, ERR_R_MALLOC_FAILURE); + return 0; + } + return 1; + } + |