arbitrary encodings from strings and config files.
Documentation to follow...
int MAIN(int, char **);
+static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf);
+
int MAIN(int argc, char **argv)
{
int i,badops=0,offset=0,ret=1,j;
BIO *in=NULL,*out=NULL,*b64=NULL, *derout = NULL;
int informat,indent=0, noout = 0, dump = 0;
char *infile=NULL,*str=NULL,*prog,*oidfile=NULL, *derfile=NULL;
+ char *genstr=NULL, *genconf=NULL;
unsigned char *tmpbuf;
BUF_MEM *buf=NULL;
STACK *osk=NULL;
if (--argc < 1) goto bad;
sk_push(osk,*(++argv));
}
+ else if (strcmp(*argv,"-genstr") == 0)
+ {
+ if (--argc < 1) goto bad;
+ genstr= *(++argv);
+ }
+ else if (strcmp(*argv,"-genconf") == 0)
+ {
+ if (--argc < 1) goto bad;
+ genconf= *(++argv);
+ }
else
{
BIO_printf(bio_err,"unknown option %s\n",*argv);
BIO_printf(bio_err," -strparse offset\n");
BIO_printf(bio_err," a series of these can be used to 'dig' into multiple\n");
BIO_printf(bio_err," ASN1 blob wrappings\n");
+ BIO_printf(bio_err," -genstr str string to generate ASN1 structure from\n");
+ BIO_printf(bio_err," -genconf file file to generate ASN1 structure from\n");
goto end;
}
if ((buf=BUF_MEM_new()) == NULL) goto end;
if (!BUF_MEM_grow(buf,BUFSIZ*8)) goto end; /* Pre-allocate :-) */
- if (informat == FORMAT_PEM)
+ if (genstr || genconf)
{
- BIO *tmp;
-
- if ((b64=BIO_new(BIO_f_base64())) == NULL)
+ num = do_generate(bio_err, genstr, genconf, buf);
+ if (num < 0)
+ {
+ ERR_print_errors(bio_err);
goto end;
- BIO_push(b64,in);
- tmp=in;
- in=b64;
- b64=tmp;
+ }
}
- num=0;
- for (;;)
+ else
{
- if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end;
- i=BIO_read(in,&(buf->data[num]),BUFSIZ);
- if (i <= 0) break;
- num+=i;
+
+ if (informat == FORMAT_PEM)
+ {
+ BIO *tmp;
+
+ if ((b64=BIO_new(BIO_f_base64())) == NULL)
+ goto end;
+ BIO_push(b64,in);
+ tmp=in;
+ in=b64;
+ b64=tmp;
+ }
+
+ num=0;
+ for (;;)
+ {
+ if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end;
+ i=BIO_read(in,&(buf->data[num]),BUFSIZ);
+ if (i <= 0) break;
+ num+=i;
+ }
}
str=buf->data;
EXIT(ret);
}
+static int do_generate(BIO *bio, char *genstr, char *genconf, BUF_MEM *buf)
+ {
+ CONF *cnf = NULL;
+ int len;
+ long errline;
+ unsigned char *p;
+ ASN1_TYPE *atyp = NULL;
+
+ if (genconf)
+ {
+ cnf = NCONF_new(NULL);
+ if (!NCONF_load(cnf, genconf, &errline))
+ goto conferr;
+ if (!genstr)
+ genstr = NCONF_get_string(cnf, "default", "asn1");
+ if (!genstr)
+ {
+ BIO_printf(bio, "Can't find 'asn1' in '%s'\n", genconf);
+ goto err;
+ }
+ }
+
+ atyp = ASN1_generate_nconf(genstr, cnf);
+ NCONF_free(cnf);
+
+ if (!atyp)
+ return -1;
+
+ len = i2d_ASN1_TYPE(atyp, NULL);
+
+ if (len <= 0)
+ goto err;
+
+ if (!BUF_MEM_grow(buf,len))
+ goto err;
+
+ p=(unsigned char *)buf->data;
+
+ i2d_ASN1_TYPE(atyp, &p);
+
+ ASN1_TYPE_free(atyp);
+ return len;
+
+ conferr:
+
+ if (errline > 0)
+ BIO_printf(bio, "Error on line %ld of config file '%s'\n",
+ errline, genconf);
+ else
+ BIO_printf(bio, "Error loading config file '%s'\n", genconf);
+
+ err:
+ NCONF_free(cnf);
+ ASN1_TYPE_free(atyp);
+
+ return -1;
+
+ }
tasn_new.c tasn_fre.c tasn_enc.c tasn_dec.c tasn_utl.c tasn_typ.c \
f_int.c f_string.c n_pkey.c \
f_enum.c a_hdr.c x_pkey.c a_bool.c x_exten.c \
- asn1_par.c asn1_lib.c asn1_err.c a_meth.c a_bytes.c a_strnid.c \
+ asn1_gen.c asn1_par.c asn1_lib.c asn1_err.c a_meth.c a_bytes.c a_strnid.c \
evp_asn1.c asn_pack.c p5_pbe.c p5_pbev2.c p8_pkey.c asn_moid.c
LIBOBJ= a_object.o a_bitstr.o a_utctm.o a_gentm.o a_time.o a_int.o a_octet.o \
a_print.o a_type.o a_set.o a_dup.o a_d2i_fp.o a_i2d_fp.o \
tasn_new.o tasn_fre.o tasn_enc.o tasn_dec.o tasn_utl.o tasn_typ.o \
f_int.o f_string.o n_pkey.o \
f_enum.o a_hdr.o x_pkey.o a_bool.o x_exten.o \
- asn1_par.o asn1_lib.o asn1_err.o a_meth.o a_bytes.o a_strnid.o \
+ asn1_gen.o asn1_par.o asn1_lib.o asn1_err.o a_meth.o a_bytes.o a_strnid.o \
evp_asn1.o asn_pack.o p5_pbe.o p5_pbev2.o p8_pkey.o asn_moid.o
SRC= $(LIBSRC)
void ASN1_add_oid_module(void);
+ASN1_TYPE *ASN1_generate_nconf(char *str, CONF *nconf);
+ASN1_TYPE *ASN1_generate_v3(char *str, X509V3_CTX *cnf);
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
#define ASN1_F_A2I_ASN1_ENUMERATED 101
#define ASN1_F_A2I_ASN1_INTEGER 102
#define ASN1_F_A2I_ASN1_STRING 103
+#define ASN1_F_APPEND_TAG 177
+#define ASN1_F_ASN1_CB 178
#define ASN1_F_ASN1_CHECK_TLEN 104
#define ASN1_F_ASN1_COLLATE_PRIMITIVE 105
#define ASN1_F_ASN1_COLLECT 106
#define ASN1_F_ASN1_DUP 111
#define ASN1_F_ASN1_ENUMERATED_SET 112
#define ASN1_F_ASN1_ENUMERATED_TO_BN 113
+#define ASN1_F_ASN1_GENERATE_V3 182
#define ASN1_F_ASN1_GET_OBJECT 114
#define ASN1_F_ASN1_HEADER_NEW 115
#define ASN1_F_ASN1_I2D_BIO 116
#define ASN1_F_ASN1_SEQ_PACK 126
#define ASN1_F_ASN1_SEQ_UNPACK 127
#define ASN1_F_ASN1_SIGN 128
+#define ASN1_F_ASN1_STR2TYPE 179
#define ASN1_F_ASN1_STRING_TABLE_ADD 129
#define ASN1_F_ASN1_STRING_TYPE_NEW 130
#define ASN1_F_ASN1_TEMPLATE_D2I 131
#define ASN1_F_ASN1_TYPE_GET_OCTETSTRING 135
#define ASN1_F_ASN1_UNPACK_STRING 136
#define ASN1_F_ASN1_VERIFY 137
+#define ASN1_F_BITSTR_CB 180
#define ASN1_F_BN_TO_ASN1_ENUMERATED 138
#define ASN1_F_BN_TO_ASN1_INTEGER 139
#define ASN1_F_COLLECT_DATA 140
#define ASN1_F_I2D_RSA_PUBKEY 165
#define ASN1_F_LONG_C2I 166
#define ASN1_F_OID_MODULE_INIT 175
+#define ASN1_F_PARSE_TAGGING 181
#define ASN1_F_PKCS5_PBE2_SET 167
#define ASN1_F_X509_CINF_NEW 168
#define ASN1_F_X509_CRL_ADD0_REVOKED 169
#define ASN1_R_DATA_IS_WRONG 109
#define ASN1_R_DECODE_ERROR 110
#define ASN1_R_DECODING_ERROR 111
+#define ASN1_R_DEPTH_EXCEEDED 173
#define ASN1_R_ENCODE_ERROR 112
#define ASN1_R_ERROR_LOADING_SECTION 172
#define ASN1_R_ERROR_PARSING_SET_ELEMENT 113
#define ASN1_R_FIELD_MISSING 121
#define ASN1_R_FIRST_NUM_TOO_LARGE 122
#define ASN1_R_HEADER_TOO_LONG 123
+#define ASN1_R_ILLEGAL_BITSTRING_FORMAT 174
+#define ASN1_R_ILLEGAL_BOOLEAN 175
#define ASN1_R_ILLEGAL_CHARACTERS 124
+#define ASN1_R_ILLEGAL_FORMAT 176
+#define ASN1_R_ILLEGAL_HEX 177
+#define ASN1_R_ILLEGAL_IMPLICIT_TAG 178
+#define ASN1_R_ILLEGAL_INTEGER 179
+#define ASN1_R_ILLEGAL_NESTED_TAGGING 180
#define ASN1_R_ILLEGAL_NULL 125
+#define ASN1_R_ILLEGAL_NULL_VALUE 181
+#define ASN1_R_ILLEGAL_OBJECT 182
#define ASN1_R_ILLEGAL_OPTIONAL_ANY 126
#define ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE 170
#define ASN1_R_ILLEGAL_TAGGED_ANY 127
+#define ASN1_R_ILLEGAL_TIME_VALUE 183
+#define ASN1_R_INTEGER_NOT_ASCII_FORMAT 184
#define ASN1_R_INTEGER_TOO_LARGE_FOR_LONG 128
#define ASN1_R_INVALID_BMPSTRING_LENGTH 129
#define ASN1_R_INVALID_DIGIT 130
+#define ASN1_R_INVALID_MODIFIER 185
+#define ASN1_R_INVALID_NUMBER 186
#define ASN1_R_INVALID_SEPARATOR 131
#define ASN1_R_INVALID_TIME_FORMAT 132
#define ASN1_R_INVALID_UNIVERSALSTRING_LENGTH 133
#define ASN1_R_INVALID_UTF8STRING 134
#define ASN1_R_IV_TOO_LARGE 135
#define ASN1_R_LENGTH_ERROR 136
+#define ASN1_R_LIST_ERROR 187
#define ASN1_R_MISSING_EOC 137
#define ASN1_R_MISSING_SECOND_NUMBER 138
+#define ASN1_R_MISSING_VALUE 188
#define ASN1_R_MSTRING_NOT_UNIVERSAL 139
#define ASN1_R_MSTRING_WRONG_TAG 140
#define ASN1_R_NON_HEX_CHARACTERS 141
+#define ASN1_R_NOT_ASCII_FORMAT 189
#define ASN1_R_NOT_ENOUGH_DATA 142
#define ASN1_R_NO_MATCHING_CHOICE_TYPE 143
#define ASN1_R_NULL_IS_WRONG_LENGTH 144
+#define ASN1_R_OBJECT_NOT_ASCII_FORMAT 190
#define ASN1_R_ODD_NUMBER_OF_CHARS 145
#define ASN1_R_PRIVATE_KEY_HEADER_MISSING 146
#define ASN1_R_SECOND_NUMBER_TOO_LARGE 147
#define ASN1_R_SEQUENCE_LENGTH_MISMATCH 148
#define ASN1_R_SEQUENCE_NOT_CONSTRUCTED 149
+#define ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG 195
#define ASN1_R_SHORT_LINE 150
#define ASN1_R_STRING_TOO_LONG 151
#define ASN1_R_STRING_TOO_SHORT 152
#define ASN1_R_TAG_VALUE_TOO_HIGH 153
#define ASN1_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 154
+#define ASN1_R_TIME_NOT_ASCII_FORMAT 191
#define ASN1_R_TOO_LONG 155
#define ASN1_R_TYPE_NOT_CONSTRUCTED 156
#define ASN1_R_UNABLE_TO_DECODE_RSA_KEY 157
#define ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM 161
#define ASN1_R_UNKNOWN_OBJECT_TYPE 162
#define ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE 163
+#define ASN1_R_UNKNOWN_TAG 192
+#define ASN1_R_UNKOWN_FORMAT 193
#define ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE 164
#define ASN1_R_UNSUPPORTED_CIPHER 165
#define ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM 166
#define ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE 167
+#define ASN1_R_UNSUPPORTED_TYPE 194
#define ASN1_R_WRONG_TAG 168
#define ASN1_R_WRONG_TYPE 169
{ERR_PACK(0,ASN1_F_A2I_ASN1_ENUMERATED,0), "a2i_ASN1_ENUMERATED"},
{ERR_PACK(0,ASN1_F_A2I_ASN1_INTEGER,0), "a2i_ASN1_INTEGER"},
{ERR_PACK(0,ASN1_F_A2I_ASN1_STRING,0), "a2i_ASN1_STRING"},
+{ERR_PACK(0,ASN1_F_APPEND_TAG,0), "APPEND_TAG"},
+{ERR_PACK(0,ASN1_F_ASN1_CB,0), "ASN1_CB"},
{ERR_PACK(0,ASN1_F_ASN1_CHECK_TLEN,0), "ASN1_CHECK_TLEN"},
{ERR_PACK(0,ASN1_F_ASN1_COLLATE_PRIMITIVE,0), "ASN1_COLLATE_PRIMITIVE"},
{ERR_PACK(0,ASN1_F_ASN1_COLLECT,0), "ASN1_COLLECT"},
{ERR_PACK(0,ASN1_F_ASN1_DUP,0), "ASN1_dup"},
{ERR_PACK(0,ASN1_F_ASN1_ENUMERATED_SET,0), "ASN1_ENUMERATED_set"},
{ERR_PACK(0,ASN1_F_ASN1_ENUMERATED_TO_BN,0), "ASN1_ENUMERATED_to_BN"},
+{ERR_PACK(0,ASN1_F_ASN1_GENERATE_V3,0), "ASN1_generate_v3"},
{ERR_PACK(0,ASN1_F_ASN1_GET_OBJECT,0), "ASN1_get_object"},
{ERR_PACK(0,ASN1_F_ASN1_HEADER_NEW,0), "ASN1_HEADER_new"},
{ERR_PACK(0,ASN1_F_ASN1_I2D_BIO,0), "ASN1_i2d_bio"},
{ERR_PACK(0,ASN1_F_ASN1_SEQ_PACK,0), "ASN1_seq_pack"},
{ERR_PACK(0,ASN1_F_ASN1_SEQ_UNPACK,0), "ASN1_seq_unpack"},
{ERR_PACK(0,ASN1_F_ASN1_SIGN,0), "ASN1_sign"},
+{ERR_PACK(0,ASN1_F_ASN1_STR2TYPE,0), "ASN1_STR2TYPE"},
{ERR_PACK(0,ASN1_F_ASN1_STRING_TABLE_ADD,0), "ASN1_STRING_TABLE_add"},
{ERR_PACK(0,ASN1_F_ASN1_STRING_TYPE_NEW,0), "ASN1_STRING_type_new"},
{ERR_PACK(0,ASN1_F_ASN1_TEMPLATE_D2I,0), "ASN1_TEMPLATE_D2I"},
{ERR_PACK(0,ASN1_F_ASN1_TYPE_GET_OCTETSTRING,0), "ASN1_TYPE_get_octetstring"},
{ERR_PACK(0,ASN1_F_ASN1_UNPACK_STRING,0), "ASN1_unpack_string"},
{ERR_PACK(0,ASN1_F_ASN1_VERIFY,0), "ASN1_verify"},
+{ERR_PACK(0,ASN1_F_BITSTR_CB,0), "BITSTR_CB"},
{ERR_PACK(0,ASN1_F_BN_TO_ASN1_ENUMERATED,0), "BN_to_ASN1_ENUMERATED"},
{ERR_PACK(0,ASN1_F_BN_TO_ASN1_INTEGER,0), "BN_to_ASN1_INTEGER"},
{ERR_PACK(0,ASN1_F_COLLECT_DATA,0), "COLLECT_DATA"},
{ERR_PACK(0,ASN1_F_I2D_RSA_PUBKEY,0), "i2d_RSA_PUBKEY"},
{ERR_PACK(0,ASN1_F_LONG_C2I,0), "LONG_C2I"},
{ERR_PACK(0,ASN1_F_OID_MODULE_INIT,0), "OID_MODULE_INIT"},
+{ERR_PACK(0,ASN1_F_PARSE_TAGGING,0), "PARSE_TAGGING"},
{ERR_PACK(0,ASN1_F_PKCS5_PBE2_SET,0), "PKCS5_pbe2_set"},
{ERR_PACK(0,ASN1_F_X509_CINF_NEW,0), "X509_CINF_NEW"},
{ERR_PACK(0,ASN1_F_X509_CRL_ADD0_REVOKED,0), "X509_CRL_add0_revoked"},
{ASN1_R_DATA_IS_WRONG ,"data is wrong"},
{ASN1_R_DECODE_ERROR ,"decode error"},
{ASN1_R_DECODING_ERROR ,"decoding error"},
+{ASN1_R_DEPTH_EXCEEDED ,"depth exceeded"},
{ASN1_R_ENCODE_ERROR ,"encode error"},
{ASN1_R_ERROR_LOADING_SECTION ,"error loading section"},
{ASN1_R_ERROR_PARSING_SET_ELEMENT ,"error parsing set element"},
{ASN1_R_FIELD_MISSING ,"field missing"},
{ASN1_R_FIRST_NUM_TOO_LARGE ,"first num too large"},
{ASN1_R_HEADER_TOO_LONG ,"header too long"},
+{ASN1_R_ILLEGAL_BITSTRING_FORMAT ,"illegal bitstring format"},
+{ASN1_R_ILLEGAL_BOOLEAN ,"illegal boolean"},
{ASN1_R_ILLEGAL_CHARACTERS ,"illegal characters"},
+{ASN1_R_ILLEGAL_FORMAT ,"illegal format"},
+{ASN1_R_ILLEGAL_HEX ,"illegal hex"},
+{ASN1_R_ILLEGAL_IMPLICIT_TAG ,"illegal implicit tag"},
+{ASN1_R_ILLEGAL_INTEGER ,"illegal integer"},
+{ASN1_R_ILLEGAL_NESTED_TAGGING ,"illegal nested tagging"},
{ASN1_R_ILLEGAL_NULL ,"illegal null"},
+{ASN1_R_ILLEGAL_NULL_VALUE ,"illegal null value"},
+{ASN1_R_ILLEGAL_OBJECT ,"illegal object"},
{ASN1_R_ILLEGAL_OPTIONAL_ANY ,"illegal optional any"},
{ASN1_R_ILLEGAL_OPTIONS_ON_ITEM_TEMPLATE ,"illegal options on item template"},
{ASN1_R_ILLEGAL_TAGGED_ANY ,"illegal tagged any"},
+{ASN1_R_ILLEGAL_TIME_VALUE ,"illegal time value"},
+{ASN1_R_INTEGER_NOT_ASCII_FORMAT ,"integer not ascii format"},
{ASN1_R_INTEGER_TOO_LARGE_FOR_LONG ,"integer too large for long"},
{ASN1_R_INVALID_BMPSTRING_LENGTH ,"invalid bmpstring length"},
{ASN1_R_INVALID_DIGIT ,"invalid digit"},
+{ASN1_R_INVALID_MODIFIER ,"invalid modifier"},
+{ASN1_R_INVALID_NUMBER ,"invalid number"},
{ASN1_R_INVALID_SEPARATOR ,"invalid separator"},
{ASN1_R_INVALID_TIME_FORMAT ,"invalid time format"},
{ASN1_R_INVALID_UNIVERSALSTRING_LENGTH ,"invalid universalstring length"},
{ASN1_R_INVALID_UTF8STRING ,"invalid utf8string"},
{ASN1_R_IV_TOO_LARGE ,"iv too large"},
{ASN1_R_LENGTH_ERROR ,"length error"},
+{ASN1_R_LIST_ERROR ,"list error"},
{ASN1_R_MISSING_EOC ,"missing eoc"},
{ASN1_R_MISSING_SECOND_NUMBER ,"missing second number"},
+{ASN1_R_MISSING_VALUE ,"missing value"},
{ASN1_R_MSTRING_NOT_UNIVERSAL ,"mstring not universal"},
{ASN1_R_MSTRING_WRONG_TAG ,"mstring wrong tag"},
{ASN1_R_NON_HEX_CHARACTERS ,"non hex characters"},
+{ASN1_R_NOT_ASCII_FORMAT ,"not ascii format"},
{ASN1_R_NOT_ENOUGH_DATA ,"not enough data"},
{ASN1_R_NO_MATCHING_CHOICE_TYPE ,"no matching choice type"},
{ASN1_R_NULL_IS_WRONG_LENGTH ,"null is wrong length"},
+{ASN1_R_OBJECT_NOT_ASCII_FORMAT ,"object not ascii format"},
{ASN1_R_ODD_NUMBER_OF_CHARS ,"odd number of chars"},
{ASN1_R_PRIVATE_KEY_HEADER_MISSING ,"private key header missing"},
{ASN1_R_SECOND_NUMBER_TOO_LARGE ,"second number too large"},
{ASN1_R_SEQUENCE_LENGTH_MISMATCH ,"sequence length mismatch"},
{ASN1_R_SEQUENCE_NOT_CONSTRUCTED ,"sequence not constructed"},
+{ASN1_R_SEQUENCE_OR_SET_NEEDS_CONFIG ,"sequence or set needs config"},
{ASN1_R_SHORT_LINE ,"short line"},
{ASN1_R_STRING_TOO_LONG ,"string too long"},
{ASN1_R_STRING_TOO_SHORT ,"string too short"},
{ASN1_R_TAG_VALUE_TOO_HIGH ,"tag value too high"},
{ASN1_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD,"the asn1 object identifier is not known for this md"},
+{ASN1_R_TIME_NOT_ASCII_FORMAT ,"time not ascii format"},
{ASN1_R_TOO_LONG ,"too long"},
{ASN1_R_TYPE_NOT_CONSTRUCTED ,"type not constructed"},
{ASN1_R_UNABLE_TO_DECODE_RSA_KEY ,"unable to decode rsa key"},
{ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM ,"unknown message digest algorithm"},
{ASN1_R_UNKNOWN_OBJECT_TYPE ,"unknown object type"},
{ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE ,"unknown public key type"},
+{ASN1_R_UNKNOWN_TAG ,"unknown tag"},
+{ASN1_R_UNKOWN_FORMAT ,"unkown format"},
{ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE ,"unsupported any defined by type"},
{ASN1_R_UNSUPPORTED_CIPHER ,"unsupported cipher"},
{ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM ,"unsupported encryption algorithm"},
{ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE ,"unsupported public key type"},
+{ASN1_R_UNSUPPORTED_TYPE ,"unsupported type"},
{ASN1_R_WRONG_TAG ,"wrong tag"},
{ASN1_R_WRONG_TYPE ,"wrong type"},
{0,NULL}
--- /dev/null
+/* asn1_gen.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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_FORMAT (ASN1_GEN_FLAG|7)
+
+#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
+ {
+ 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;
+ unsigned char *cpy_start, *p;
+ int cpy_len;
+ long hdr_len;
+ int hdr_constructed, 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);
+
+ /* 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)
+ 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);
+
+ p = new_der;
+
+ /* Obtain new ASN1_TYPE structure */
+ ret = d2i_ASN1_TYPE(NULL, &p, 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;
+ 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_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, *typ = NULL;
+ STACK_OF(ASN1_TYPE) *sk = NULL;
+ STACK_OF(CONF_VALUE) *sect = NULL;
+ unsigned char *der = NULL, *p;
+ int derlen;
+ int i, is_set;
+ sk = sk_ASN1_TYPE_new_null();
+ 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++)
+ {
+ typ = ASN1_generate_v3(sk_CONF_VALUE_value(sect, i)->value, cnf);
+ if (!typ)
+ goto bad;
+ sk_ASN1_TYPE_push(sk, typ);
+ typ = NULL;
+ }
+ }
+
+ /* Now we has a STACK of the components, convert to the correct form */
+
+ if (utype == V_ASN1_SET)
+ is_set = 1;
+ else
+ is_set = 0;
+
+
+ derlen = i2d_ASN1_SET((STACK *)sk, NULL, i2d_ASN1_TYPE, utype, V_ASN1_UNIVERSAL, is_set);
+ der = OPENSSL_malloc(derlen);
+ p = der;
+ i2d_ASN1_SET((STACK *)sk, &p, i2d_ASN1_TYPE, utype, V_ASN1_UNIVERSAL, is_set);
+
+ 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 (typ)
+ ASN1_TYPE_free(typ);
+ 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_TAG, ASN1_R_ILLEGAL_IMPLICIT_TAG);
+ return 0;
+ }
+
+ if (arg->exp_count == ASN1_FLAG_EXP_MAX)
+ {
+ ASN1err(ASN1_F_APPEND_TAG, 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)
+ {
+ int i;
+ static 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),
+
+ /* 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),
+ /* 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 (!strncmp(tntmp->strnam, tagstr, tntmp->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.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:
+
+ 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;
+ }
+
#include <openssl/safestack.h>
#include <openssl/e_os2.h>
+#include <openssl/ossl_typ.h>
+
#ifdef __cplusplus
extern "C" {
#endif
DECLARE_STACK_OF(CONF_IMODULE)
struct conf_st;
-typedef struct conf_st CONF;
struct conf_method_st;
typedef struct conf_method_st CONF_METHOD;
typedef struct x509_store_st X509_STORE;
typedef struct x509_store_ctx_st X509_STORE_CTX;
+typedef struct v3_ext_ctx X509V3_CTX;
+typedef struct conf_st CONF;
+
typedef struct engine_st ENGINE;
/* If placed in pkcs12.h, we end up with a circular depency with pkcs7.h */
* project 1999.
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2002 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
static GENERAL_NAMES *v2i_issuer_alt(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
static int copy_email(X509V3_CTX *ctx, GENERAL_NAMES *gens, int move_p);
static int copy_issuer(X509V3_CTX *ctx, GENERAL_NAMES *gens);
+static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx);
+
X509V3_EXT_METHOD v3_alt[] = {
{ NID_subject_alt_name, 0, ASN1_ITEM_ref(GENERAL_NAMES),
0,0,0,0,
goto err;
}
type = GEN_IPADD;
+} else if(!name_cmp(name, "otherName")) {
+ if (!do_othername(gen, value, ctx))
+ {
+ X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_OTHERNAME_ERROR);
+ goto err;
+ }
+ type = GEN_OTHERNAME;
} else {
X509V3err(X509V3_F_V2I_GENERAL_NAME,X509V3_R_UNSUPPORTED_OPTION);
ERR_add_error_data(2, "name=", name);
GENERAL_NAME_free(gen);
return NULL;
}
+
+static int do_othername(GENERAL_NAME *gen, char *value, X509V3_CTX *ctx)
+ {
+ char *objtmp = NULL, *p;
+ int objlen;
+ if (!(p = strchr(value, ';')))
+ return 0;
+ if (!(gen->d.otherName = OTHERNAME_new()))
+ return 0;
+ /* Free this up because we will overwrite it.
+ * no need to free type_id because it is static
+ */
+ ASN1_TYPE_free(gen->d.otherName->value);
+ if (!(gen->d.otherName->value = ASN1_generate_v3(p + 1, ctx)))
+ return 0;
+ objlen = p - value;
+ objtmp = OPENSSL_malloc(objlen + 1);
+ strncpy(objtmp, value, objlen);
+ objtmp[objlen] = 0;
+ gen->d.otherName->type_id = OBJ_txt2obj(objtmp, 0);
+ OPENSSL_free(objtmp);
+ if (!gen->d.otherName->type_id)
+ return 0;
+ return 1;
+ }
* project 1999.
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2002 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
static int v3_check_critical(char **value);
static int v3_check_generic(char **value);
static X509_EXTENSION *do_ext_nconf(CONF *conf, X509V3_CTX *ctx, int ext_nid, int crit, char *value);
-static X509_EXTENSION *v3_generic_extension(const char *ext, char *value, int crit, int type);
+static X509_EXTENSION *v3_generic_extension(const char *ext, char *value, int crit, int type, X509V3_CTX *ctx);
static char *conf_lhash_get_string(void *db, char *section, char *value);
static STACK_OF(CONF_VALUE) *conf_lhash_get_section(void *db, char *section);
static X509_EXTENSION *do_ext_i2d(X509V3_EXT_METHOD *method, int ext_nid,
int crit, void *ext_struc);
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len);
/* CONF *conf: Config file */
/* char *name: Name */
/* char *value: Value */
X509_EXTENSION *ret;
crit = v3_check_critical(&value);
if ((ext_type = v3_check_generic(&value)))
- return v3_generic_extension(name, value, crit, ext_type);
+ return v3_generic_extension(name, value, crit, ext_type, ctx);
ret = do_ext_nconf(conf, ctx, OBJ_sn2nid(name), crit, value);
if (!ret)
{
crit = v3_check_critical(&value);
if ((ext_type = v3_check_generic(&value)))
return v3_generic_extension(OBJ_nid2sn(ext_nid),
- value, crit, ext_type);
+ value, crit, ext_type, ctx);
return do_ext_nconf(conf, ctx, ext_nid, crit, value);
}
/* Check extension string for generic extension and return the type */
static int v3_check_generic(char **value)
{
+ int gen_type = 0;
char *p = *value;
- if ((strlen(p) < 4) || strncmp(p, "DER:,", 4)) return 0;
- p+=4;
+ if ((strlen(p) >= 4) && !strncmp(p, "DER:,", 4))
+ {
+ p+=4;
+ gen_type = 1;
+ }
+ if ((strlen(p) >= 5) && !strncmp(p, "ASN1:,", 5))
+ {
+ p+=5;
+ gen_type = 2;
+ }
+ else
+ return 0;
+
while (isspace((unsigned char)*p)) p++;
*value = p;
- return 1;
+ return gen_type;
}
/* Create a generic extension: for now just handle DER type */
static X509_EXTENSION *v3_generic_extension(const char *ext, char *value,
- int crit, int type)
+ int crit, int gen_type, X509V3_CTX *ctx)
{
unsigned char *ext_der=NULL;
long ext_len;
goto err;
}
- if (!(ext_der = string_to_hex(value, &ext_len)))
+ if (gen_type == 1)
+ ext_der = string_to_hex(value, &ext_len);
+ else if (gen_type == 2)
+ ext_der = generic_asn1(value, ctx, &ext_len);
+
+ if (ext_der == NULL)
{
X509V3err(X509V3_F_V3_GENERIC_EXTENSION,X509V3_R_EXTENSION_VALUE_ERROR);
ERR_add_error_data(2, "value=", value);
}
+static unsigned char *generic_asn1(char *value, X509V3_CTX *ctx, long *ext_len)
+ {
+ ASN1_TYPE *typ;
+ unsigned char *ext_der = NULL;
+ typ = ASN1_generate_v3(value, ctx);
+ if (typ == NULL)
+ return NULL;
+ *ext_len = i2d_ASN1_TYPE(typ, &ext_der);
+ ASN1_TYPE_free(typ);
+ return ext_der;
+ }
/* This is the main function: add a bunch of extensions based on a config file
* section to an extension STACK.
/* crypto/x509v3/v3err.c */
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2002 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
{X509V3_R_NO_PUBLIC_KEY ,"no public key"},
{X509V3_R_NO_SUBJECT_DETAILS ,"no subject details"},
{X509V3_R_ODD_NUMBER_OF_DIGITS ,"odd number of digits"},
+{X509V3_R_OTHERNAME_ERROR ,"othername error"},
{X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS ,"unable to get issuer details"},
{X509V3_R_UNABLE_TO_GET_ISSUER_KEYID ,"unable to get issuer keyid"},
{X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT ,"unknown bit string argument"},
};
typedef struct v3_ext_method X509V3_EXT_METHOD;
-typedef struct v3_ext_ctx X509V3_CTX;
DECLARE_STACK_OF(X509V3_EXT_METHOD)
#define X509V3_R_NO_PUBLIC_KEY 114
#define X509V3_R_NO_SUBJECT_DETAILS 125
#define X509V3_R_ODD_NUMBER_OF_DIGITS 112
+#define X509V3_R_OTHERNAME_ERROR 147
#define X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS 122
#define X509V3_R_UNABLE_TO_GET_ISSUER_KEYID 123
#define X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT 111