/* tasn_prn.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2000.
*/
/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2000,2005 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
#include <stddef.h>
+#include "cryptlib.h"
#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
#include <openssl/objects.h>
#include <openssl/buffer.h>
#include <openssl/err.h>
-#include <openssl/nasn.h>
+#include <openssl/x509v3.h>
+#include "asn1_locl.h"
-/* Print routines. Print out a whole structure from a template.
+/* Print routines.
*/
-static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name);
+/* ASN1_PCTX routines */
-int ASN1_item_print(BIO *out, void *fld, int indent, const ASN1_ITEM *it)
-{
- return asn1_item_print_nm(out, fld, indent, it, it->sname);
-}
+ASN1_PCTX default_pctx =
+ {
+ ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
+ 0, /* nm_flags */
+ 0, /* cert_flags */
+ 0, /* oid_flags */
+ 0 /* str_flags */
+ };
+
-static int asn1_item_print_nm(BIO *out, void *fld, int indent, const ASN1_ITEM *it, const char *name)
-{
- ASN1_STRING *str;
+ASN1_PCTX *ASN1_PCTX_new(void)
+ {
+ ASN1_PCTX *ret;
+ ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
+ if (ret == NULL)
+ {
+ ASN1err(ASN1_F_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;
- void *tmpfld;
+ 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(!fld) {
- BIO_printf(out, "%*s%s ABSENT\n", indent, "", name);
+ 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) {
+ }
+ switch(it->itype)
+ {
case ASN1_ITYPE_PRIMITIVE:
if(it->templates)
- return ASN1_template_print(out, fld, indent, it->templates);
- return asn1_primitive_print(out, fld, it->utype, indent, name);
- break;
-
+ {
+ if (!asn1_template_print_ctx(out, fld, indent,
+ it->templates, pctx))
+ return 0;
+ }
+ /* fall thru */
case ASN1_ITYPE_MSTRING:
- str = fld;
- return asn1_primitive_print(out, fld, str->type, indent, name);
+ if (!asn1_primitive_print(out, fld, it,
+ indent, fname, sname,pctx))
+ return 0;
+ break;
case ASN1_ITYPE_EXTERN:
- BIO_printf(out, "%*s%s:EXTERNAL TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
- return 1;
- case ASN1_ITYPE_COMPAT:
- BIO_printf(out, "%*s%s:COMPATIBLE TYPE %s %s\n", indent, "", name, it->sname, fld ? "" : "ABSENT");
- return 1;
-
+ 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)) {
- BIO_printf(out, "%s selector [%d] out of range\n", it->sname, i);
+ 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(fld, tt);
- return ASN1_template_print(out, tmpfld, indent, tt);
+ tmpfld = asn1_get_field_ptr(fld, tt);
+ if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
+ return 0;
+ break;
case ASN1_ITYPE_SEQUENCE:
- BIO_printf(out, "%*s%s {\n", indent, "", name);
- /* Get each field entry */
- for(i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
- tmpfld = asn1_get_field(fld, tt);
- ASN1_template_print(out, tmpfld, indent + 2, tt);
- }
- BIO_printf(out, "%*s}\n", indent, "");
- return 1;
+ 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(BIO *out, void *fld, int indent, const ASN1_TEMPLATE *tt)
-{
+int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
+ const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
+ {
int i, flags;
-#if 0
- if(!fld) return 0;
-#endif
+ const char *sname, *fname;
flags = tt->flags;
- if(flags & ASN1_TFLG_SK_MASK) {
+ 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)
+ {
char *tname;
- void *skitem;
+ ASN1_VALUE *skitem;
+ STACK_OF(ASN1_VALUE) *stack;
+
/* SET OF, SEQUENCE OF */
- if(flags & ASN1_TFLG_SET_OF) tname = "SET";
- else tname = "SEQUENCE";
- if(fld) {
- BIO_printf(out, "%*s%s OF %s {\n", indent, "", tname, tt->field_name);
- for(i = 0; i < sk_num(fld); i++) {
- skitem = sk_value(fld, i);
- asn1_item_print_nm(out, skitem, indent + 2, tt->item, "");
+ 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;
}
- BIO_printf(out, "%*s}\n", indent, "");
- } else
- BIO_printf(out, "%*s%s OF %s ABSENT\n", indent, "", tname, tt->field_name);
return 1;
+ }
+ return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
+ fname, sname, 0, pctx);
}
- return asn1_item_print_nm(out, fld, indent, tt->item, tt->field_name);
-}
-
-static int asn1_primitive_print(BIO *out, void *fld, long utype, int indent, const char *name)
-{
- ASN1_STRING *str = fld;
- if(fld) {
- if(utype == V_ASN1_BOOLEAN) {
- int *bool = fld;
-if(*bool == -1) printf("BOOL MISSING\n");
- BIO_printf(out, "%*s%s:%s", indent, "", "BOOLEAN", *bool ? "TRUE" : "FALSE");
- } else if((utype == V_ASN1_INTEGER)
- || (utype == V_ASN1_ENUMERATED)) {
- char *s, *nm;
- s = i2s_ASN1_INTEGER(NULL, fld);
- if(utype == V_ASN1_INTEGER) nm = "INTEGER";
- else nm = "ENUMERATED";
- BIO_printf(out, "%*s%s:%s", indent, "", nm, s);
- OPENSSL_free(s);
- } else if(utype == V_ASN1_NULL) {
- BIO_printf(out, "%*s%s", indent, "", "NULL");
- } else if(utype == V_ASN1_UTCTIME) {
- BIO_printf(out, "%*s%s:%s:", indent, "", name, "UTCTIME");
- ASN1_UTCTIME_print(out, str);
- } else if(utype == V_ASN1_GENERALIZEDTIME) {
- BIO_printf(out, "%*s%s:%s:", indent, "", name, "GENERALIZEDTIME");
- ASN1_GENERALIZEDTIME_print(out, str);
- } else if(utype == V_ASN1_OBJECT) {
- char objbuf[80], *ln;
- ln = OBJ_nid2ln(OBJ_obj2nid(fld));
- if(!ln) ln = "";
- OBJ_obj2txt(objbuf, sizeof objbuf, fld, 1);
- BIO_printf(out, "%*s%s:%s (%s)", indent, "", "OBJECT", ln, objbuf);
- } else {
- BIO_printf(out, "%*s%s:", indent, "", name);
- ASN1_STRING_print_ex(out, str, ASN1_STRFLGS_DUMP_UNKNOWN|ASN1_STRFLGS_SHOW_TYPE);
+
+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;
}
- BIO_printf(out, "\n");
- } else BIO_printf(out, "%*s%s [ABSENT]\n", indent, "", name);
+ 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)
+ {
+ char *s;
+ int ret = 1;
+ s = i2s_ASN1_INTEGER(NULL, str);
+ 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_dump_indent(out, (char *)str->data, str->length,
+ indent + 2) <= 0)
+ 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;
+ }
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