diff options
Diffstat (limited to 'src/crypto/asn1/tasn_prn.c')
-rw-r--r-- | src/crypto/asn1/tasn_prn.c | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/src/crypto/asn1/tasn_prn.c b/src/crypto/asn1/tasn_prn.c new file mode 100644 index 0000000..4eb522d --- /dev/null +++ b/src/crypto/asn1/tasn_prn.c @@ -0,0 +1,639 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] */ + +#include <openssl/asn1.h> + +#include <time.h> + +#include <openssl/asn1t.h> +#include <openssl/err.h> +#include <openssl/obj.h> +#include <openssl/mem.h> + +#include "asn1_locl.h" + + + +/* Print routines. + */ + +/* ASN1_PCTX routines */ + +ASN1_PCTX default_pctx = + { + ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */ + 0, /* nm_flags */ + 0, /* cert_flags */ + 0, /* oid_flags */ + 0 /* str_flags */ + }; + + +ASN1_PCTX *ASN1_PCTX_new(void) + { + ASN1_PCTX *ret; + ret = OPENSSL_malloc(sizeof(ASN1_PCTX)); + if (ret == NULL) + { + OPENSSL_PUT_ERROR(ASN1, ASN1_PCTX_new, ERR_R_MALLOC_FAILURE); + return NULL; + } + ret->flags = 0; + ret->nm_flags = 0; + ret->cert_flags = 0; + ret->oid_flags = 0; + ret->str_flags = 0; + return ret; + } + +void ASN1_PCTX_free(ASN1_PCTX *p) + { + OPENSSL_free(p); + } + +unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p) + { + return p->flags; + } + +void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags) + { + p->flags = flags; + } + +unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p) + { + return p->nm_flags; + } + +void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags) + { + p->nm_flags = flags; + } + +unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p) + { + return p->cert_flags; + } + +void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags) + { + p->cert_flags = flags; + } + +unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p) + { + return p->oid_flags; + } + +void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags) + { + p->oid_flags = flags; + } + +unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p) + { + return p->str_flags; + } + +void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags) + { + p->str_flags = flags; + } + +/* Main print routines */ + +static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent, + const ASN1_ITEM *it, + const char *fname, const char *sname, + int nohdr, const ASN1_PCTX *pctx); + +int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent, + const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx); + +static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld, + const ASN1_ITEM *it, int indent, + const char *fname, const char *sname, + const ASN1_PCTX *pctx); + +static int asn1_print_fsname(BIO *out, int indent, + const char *fname, const char *sname, + const ASN1_PCTX *pctx); + +int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent, + const ASN1_ITEM *it, const ASN1_PCTX *pctx) + { + const char *sname; + if (pctx == NULL) + pctx = &default_pctx; + if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME) + sname = NULL; + else + sname = it->sname; + return asn1_item_print_ctx(out, &ifld, indent, it, + NULL, sname, 0, pctx); + } + +static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent, + const ASN1_ITEM *it, + const char *fname, const char *sname, + int nohdr, const ASN1_PCTX *pctx) + { + const ASN1_TEMPLATE *tt; + const ASN1_EXTERN_FUNCS *ef; + ASN1_VALUE **tmpfld; + const ASN1_AUX *aux = it->funcs; + ASN1_aux_cb *asn1_cb; + ASN1_PRINT_ARG parg; + int i; + if (aux && aux->asn1_cb) + { + parg.out = out; + parg.indent = indent; + parg.pctx = pctx; + asn1_cb = aux->asn1_cb; + } + else asn1_cb = 0; + + if(*fld == NULL) + { + if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT) + { + if (!nohdr && !asn1_print_fsname(out, indent, + fname, sname, pctx)) + return 0; + if (BIO_puts(out, "<ABSENT>\n") <= 0) + return 0; + } + return 1; + } + + switch(it->itype) + { + case ASN1_ITYPE_PRIMITIVE: + if(it->templates) + { + if (!asn1_template_print_ctx(out, fld, indent, + it->templates, pctx)) + return 0; + } + /* fall thru */ + case ASN1_ITYPE_MSTRING: + if (!asn1_primitive_print(out, fld, it, + indent, fname, sname,pctx)) + return 0; + break; + + case ASN1_ITYPE_EXTERN: + if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx)) + return 0; + /* Use new style print routine if possible */ + ef = it->funcs; + if (ef && ef->asn1_ex_print) + { + i = ef->asn1_ex_print(out, fld, indent, "", pctx); + if (!i) + return 0; + if ((i == 2) && (BIO_puts(out, "\n") <= 0)) + return 0; + return 1; + } + else if (sname && + BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0) + return 0; + break; + + case ASN1_ITYPE_CHOICE: +#if 0 + if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx)) + return 0; +#endif + /* CHOICE type, get selector */ + i = asn1_get_choice_selector(fld, it); + /* This should never happen... */ + if((i < 0) || (i >= it->tcount)) + { + if (BIO_printf(out, + "ERROR: selector [%d] invalid\n", i) <= 0) + return 0; + return 1; + } + tt = it->templates + i; + tmpfld = asn1_get_field_ptr(fld, tt); + if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx)) + return 0; + break; + + case ASN1_ITYPE_SEQUENCE: + case ASN1_ITYPE_NDEF_SEQUENCE: + if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx)) + return 0; + if (fname || sname) + { + if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) + { + if (BIO_puts(out, " {\n") <= 0) + return 0; + } + else + { + if (BIO_puts(out, "\n") <= 0) + return 0; + } + } + + if (asn1_cb) + { + i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg); + if (i == 0) + return 0; + if (i == 2) + return 1; + } + + /* Print each field entry */ + for(i = 0, tt = it->templates; i < it->tcount; i++, tt++) + { + const ASN1_TEMPLATE *seqtt; + seqtt = asn1_do_adb(fld, tt, 1); + tmpfld = asn1_get_field_ptr(fld, seqtt); + if (!asn1_template_print_ctx(out, tmpfld, + indent + 2, seqtt, pctx)) + return 0; + } + if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) + { + if (BIO_printf(out, "%*s}\n", indent, "") < 0) + return 0; + } + + if (asn1_cb) + { + i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg); + if (i == 0) + return 0; + } + break; + + default: + BIO_printf(out, "Unprocessed type %d\n", it->itype); + return 0; + } + + return 1; + } + +int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent, + const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx) + { + int flags; + size_t i; + const char *sname, *fname; + flags = tt->flags; + if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME) + sname = ASN1_ITEM_ptr(tt->item)->sname; + else + sname = NULL; + if(pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME) + fname = NULL; + else + fname = tt->field_name; + if(flags & ASN1_TFLG_SK_MASK) + { + const char *tname; + ASN1_VALUE *skitem; + STACK_OF(ASN1_VALUE) *stack; + + /* SET OF, SEQUENCE OF */ + if (fname) + { + if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF) + { + if(flags & ASN1_TFLG_SET_OF) + tname = "SET"; + else + tname = "SEQUENCE"; + if (BIO_printf(out, "%*s%s OF %s {\n", + indent, "", tname, tt->field_name) <= 0) + return 0; + } + else if (BIO_printf(out, "%*s%s:\n", indent, "", + fname) <= 0) + return 0; + } + stack = (STACK_OF(ASN1_VALUE) *)*fld; + for(i = 0; i < sk_ASN1_VALUE_num(stack); i++) + { + if ((i > 0) && (BIO_puts(out, "\n") <= 0)) + return 0; + + skitem = sk_ASN1_VALUE_value(stack, i); + if (!asn1_item_print_ctx(out, &skitem, indent + 2, + ASN1_ITEM_ptr(tt->item), NULL, NULL, 1, pctx)) + return 0; + } + if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0) + return 0; + if(pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) + { + if (BIO_printf(out, "%*s}\n", indent, "") <= 0) + return 0; + } + return 1; + } + return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item), + fname, sname, 0, pctx); + } + +static int asn1_print_fsname(BIO *out, int indent, + const char *fname, const char *sname, + const ASN1_PCTX *pctx) + { + static char spaces[] = " "; + const int nspaces = sizeof(spaces) - 1; + +#if 0 + if (!sname && !fname) + return 1; +#endif + + while (indent > nspaces) + { + if (BIO_write(out, spaces, nspaces) != nspaces) + return 0; + indent -= nspaces; + } + if (BIO_write(out, spaces, indent) != indent) + return 0; + if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME) + sname = NULL; + if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME) + fname = NULL; + if (!sname && !fname) + return 1; + if (fname) + { + if (BIO_puts(out, fname) <= 0) + return 0; + } + if (sname) + { + if (fname) + { + if (BIO_printf(out, " (%s)", sname) <= 0) + return 0; + } + else + { + if (BIO_puts(out, sname) <= 0) + return 0; + } + } + if (BIO_write(out, ": ", 2) != 2) + return 0; + return 1; + } + +static int asn1_print_boolean_ctx(BIO *out, int boolval, + const ASN1_PCTX *pctx) + { + const char *str; + switch (boolval) + { + case -1: + str = "BOOL ABSENT"; + break; + + case 0: + str = "FALSE"; + break; + + default: + str = "TRUE"; + break; + + } + + if (BIO_puts(out, str) <= 0) + return 0; + return 1; + + } + +static int asn1_print_integer_ctx(BIO *out, ASN1_INTEGER *str, + const ASN1_PCTX *pctx) + { + BIGNUM *bn = NULL; + char *s = NULL; + int ret = 1; + + bn = ASN1_INTEGER_to_BN(str, NULL); + if (bn == NULL) { + return 0; + } + s = BN_bn2dec(bn); + BN_free(bn); + if (s == NULL) { + return 0; + } + + if (BIO_puts(out, s) <= 0) { + ret = 0; + } + OPENSSL_free(s); + return ret; + } + +static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid, + const ASN1_PCTX *pctx) + { + char objbuf[80]; + const char *ln; + ln = OBJ_nid2ln(OBJ_obj2nid(oid)); + if(!ln) + ln = ""; + OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1); + if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0) + return 0; + return 1; + } + +static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent, + const ASN1_PCTX *pctx) + { + if (str->type == V_ASN1_BIT_STRING) + { + if (BIO_printf(out, " (%ld unused bits)\n", + str->flags & 0x7) <= 0) + return 0; + } + else if (BIO_puts(out, "\n") <= 0) + return 0; + if (str->length > 0 && !BIO_hexdump(out, str->data, str->length, indent + 2)) { + return 0; + } + return 1; + } + +static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld, + const ASN1_ITEM *it, int indent, + const char *fname, const char *sname, + const ASN1_PCTX *pctx) + { + long utype; + ASN1_STRING *str; + int ret = 1, needlf = 1; + const char *pname; + const ASN1_PRIMITIVE_FUNCS *pf; + pf = it->funcs; + if (!asn1_print_fsname(out, indent, fname, sname, pctx)) + return 0; + if (pf && pf->prim_print) + return pf->prim_print(out, fld, it, indent, pctx); + str = (ASN1_STRING *)*fld; + if (it->itype == ASN1_ITYPE_MSTRING) + utype = str->type & ~V_ASN1_NEG; + else + utype = it->utype; + if (utype == V_ASN1_ANY) + { + ASN1_TYPE *atype = (ASN1_TYPE *)*fld; + utype = atype->type; + fld = &atype->value.asn1_value; + str = (ASN1_STRING *)*fld; + if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE) + pname = NULL; + else + pname = ASN1_tag2str(utype); + } + else + { + if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE) + pname = ASN1_tag2str(utype); + else + pname = NULL; + } + + if (utype == V_ASN1_NULL) + { + if (BIO_puts(out, "NULL\n") <= 0) + return 0; + return 1; + } + + if (pname) + { + if (BIO_puts(out, pname) <= 0) + return 0; + if (BIO_puts(out, ":") <= 0) + return 0; + } + + switch (utype) + { + case V_ASN1_BOOLEAN: + { + int boolval = *(int *)fld; + if (boolval == -1) + boolval = it->size; + ret = asn1_print_boolean_ctx(out, boolval, pctx); + } + break; + + case V_ASN1_INTEGER: + case V_ASN1_ENUMERATED: + ret = asn1_print_integer_ctx(out, str, pctx); + break; + + case V_ASN1_UTCTIME: + ret = ASN1_UTCTIME_print(out, str); + break; + + case V_ASN1_GENERALIZEDTIME: + ret = ASN1_GENERALIZEDTIME_print(out, str); + break; + + case V_ASN1_OBJECT: + ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT *)*fld, pctx); + break; + + case V_ASN1_OCTET_STRING: + case V_ASN1_BIT_STRING: + ret = asn1_print_obstring_ctx(out, str, indent, pctx); + needlf = 0; + break; + + case V_ASN1_SEQUENCE: + case V_ASN1_SET: + case V_ASN1_OTHER: + if (BIO_puts(out, "\n") <= 0) + return 0; + if (ASN1_parse_dump(out, str->data, str->length, + indent, 0) <= 0) + ret = 0; + needlf = 0; + break; + + default: + ret = ASN1_STRING_print_ex(out, str, pctx->str_flags); + + } + if (!ret) + return 0; + if (needlf && BIO_puts(out, "\n") <= 0) + return 0; + return 1; + } |