/src/openssl111/crypto/asn1/tasn_prn.c

Source (jump to first uncovered line)
/*
 * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stddef.h>
#include "internal/cryptlib.h"
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/objects.h>
#include <openssl/buffer.h>
#include <openssl/err.h>
#include <openssl/x509v3.h>
#include "crypto/asn1.h"
#include "asn1_local.h"

/*
 * Print routines.
 */

/* ASN1_PCTX routines */

static 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_zalloc(sizeof(*ret));
    if (ret == NULL) {
        ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
        return NULL;
    }
    return ret;
}

void ASN1_PCTX_free(ASN1_PCTX *p)
{
    OPENSSL_free(p);
}

unsigned long ASN1_PCTX_get_flags(const 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(const 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(const 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(const 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(const 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);

static 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 (((it->itype != ASN1_ITYPE_PRIMITIVE)
       || (it->utype != V_ASN1_BOOLEAN)) && *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;
            break;
        }
        /* fall through */
    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:
        /* 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);
            if (!seqtt)
                return 0;
            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;
}

static int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
                            const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
{
    int i, flags;
    const char *sname, *fname;
    ASN1_VALUE *tfld;
    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 field is embedded then fld needs fixing so it is a pointer to
     * a pointer to a field.
     */
    if (flags & ASN1_TFLG_EMBED) {
        tfld = (ASN1_VALUE *)fld;
        fld = &tfld;
    }

    if (flags & ASN1_TFLG_SK_MASK) {
        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 == 0 && BIO_printf(out, "%*s<%s>\n", indent + 2, "",
                                 stack == NULL ? "ABSENT" : "EMPTY") <= 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 const char spaces[] = "                    ";
    static const int nspaces = sizeof(spaces) - 1;

    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(BIO *out, int boolval)
{
    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(BIO *out, const ASN1_INTEGER *str)
{
    char *s;
    int ret = 1;
    s = i2s_ASN1_INTEGER(NULL, str);
    if (s == NULL)
        return 0;
    if (BIO_puts(out, s) <= 0)
        ret = 0;
    OPENSSL_free(s);
    return ret;
}

static int asn1_print_oid(BIO *out, const ASN1_OBJECT *oid)
{
    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(BIO *out, const ASN1_STRING *str, int indent)
{
    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, (const 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);
    if (it->itype == ASN1_ITYPE_MSTRING) {
        str = (ASN1_STRING *)*fld;
        utype = str->type & ~V_ASN1_NEG;
    } else {
        utype = it->utype;
        if (utype == V_ASN1_BOOLEAN)
            str = NULL;
        else
            str = (ASN1_STRING *)*fld;
    }
    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(out, boolval);
        }
        break;

    case V_ASN1_INTEGER:
    case V_ASN1_ENUMERATED:
        ret = asn1_print_integer(out, str);
        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(out, (const ASN1_OBJECT *)*fld);
        break;

    case V_ASN1_OCTET_STRING:
    case V_ASN1_BIT_STRING:
        ret = asn1_print_obstring(out, str, indent);
        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;
}

Coverage Report

Created: 2023-09-25 06:41

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the OpenSSL license (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stddef.h>
11		#include "internal/cryptlib.h"
12		#include <openssl/asn1.h>
13		#include <openssl/asn1t.h>
14		#include <openssl/objects.h>
15		#include <openssl/buffer.h>
16		#include <openssl/err.h>
17		#include <openssl/x509v3.h>
18		#include "crypto/asn1.h"
19		#include "asn1_local.h"
20
21		/*
22		* Print routines.
23		*/
24
25		/* ASN1_PCTX routines */
26
27		static ASN1_PCTX default_pctx = {
28		ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
29		0, /* nm_flags */
30		0, /* cert_flags */
31		0, /* oid_flags */
32		0 /* str_flags */
33		};
34
35		ASN1_PCTX *ASN1_PCTX_new(void)
36	0	{
37	0	ASN1_PCTX *ret;
38
39	0	ret = OPENSSL_zalloc(sizeof(*ret));
40	0	if (ret == NULL) {
41	0	ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
42	0	return NULL;
43	0	}
44	0	return ret;
45	0	}
46
47		void ASN1_PCTX_free(ASN1_PCTX *p)
48	0	{
49	0	OPENSSL_free(p);
50	0	}
51
52		unsigned long ASN1_PCTX_get_flags(const ASN1_PCTX *p)
53	0	{
54	0	return p->flags;
55	0	}
56
57		void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
58	0	{
59	0	p->flags = flags;
60	0	}
61
62		unsigned long ASN1_PCTX_get_nm_flags(const ASN1_PCTX *p)
63	0	{
64	0	return p->nm_flags;
65	0	}
66
67		void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
68	0	{
69	0	p->nm_flags = flags;
70	0	}
71
72		unsigned long ASN1_PCTX_get_cert_flags(const ASN1_PCTX *p)
73	0	{
74	0	return p->cert_flags;
75	0	}
76
77		void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
78	0	{
79	0	p->cert_flags = flags;
80	0	}
81
82		unsigned long ASN1_PCTX_get_oid_flags(const ASN1_PCTX *p)
83	0	{
84	0	return p->oid_flags;
85	0	}
86
87		void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
88	0	{
89	0	p->oid_flags = flags;
90	0	}
91
92		unsigned long ASN1_PCTX_get_str_flags(const ASN1_PCTX *p)
93	0	{
94	0	return p->str_flags;
95	0	}
96
97		void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
98	0	{
99	0	p->str_flags = flags;
100	0	}
101
102		/* Main print routines */
103
104		static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
105		const ASN1_ITEM *it,
106		const char fname, const char sname,
107		int nohdr, const ASN1_PCTX *pctx);
108
109		static int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
110		const ASN1_TEMPLATE tt, const ASN1_PCTX pctx);
111
112		static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
113		const ASN1_ITEM *it, int indent,
114		const char fname, const char sname,
115		const ASN1_PCTX *pctx);
116
117		static int asn1_print_fsname(BIO *out, int indent,
118		const char fname, const char sname,
119		const ASN1_PCTX *pctx);
120
121		int ASN1_item_print(BIO out, ASN1_VALUE ifld, int indent,
122		const ASN1_ITEM it, const ASN1_PCTX pctx)
123	0	{
124	0	const char *sname;
125	0	if (pctx == NULL)
126	0	pctx = &default_pctx;
127	0	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
128	0	sname = NULL;
129	0	else
130	0	sname = it->sname;
131	0	return asn1_item_print_ctx(out, &ifld, indent, it, NULL, sname, 0, pctx);
132	0	}
133
134		static int asn1_item_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
135		const ASN1_ITEM *it,
136		const char fname, const char sname,
137		int nohdr, const ASN1_PCTX *pctx)
138	0	{
139	0	const ASN1_TEMPLATE *tt;
140	0	const ASN1_EXTERN_FUNCS *ef;
141	0	ASN1_VALUE **tmpfld;
142	0	const ASN1_AUX *aux = it->funcs;
143	0	ASN1_aux_cb *asn1_cb;
144	0	ASN1_PRINT_ARG parg;
145	0	int i;
146	0	if (aux && aux->asn1_cb) {
147	0	parg.out = out;
148	0	parg.indent = indent;
149	0	parg.pctx = pctx;
150	0	asn1_cb = aux->asn1_cb;
151	0	} else
152	0	asn1_cb = 0;
153
154	0	if (((it->itype != ASN1_ITYPE_PRIMITIVE)
155	0	\|\| (it->utype != V_ASN1_BOOLEAN)) && *fld == NULL) {
156	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT) {
157	0	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
158	0	return 0;
159	0	if (BIO_puts(out, "<ABSENT>\n") <= 0)
160	0	return 0;
161	0	}
162	0	return 1;
163	0	}
164
165	0	switch (it->itype) {
166	0	case ASN1_ITYPE_PRIMITIVE:
167	0	if (it->templates) {
168	0	if (!asn1_template_print_ctx(out, fld, indent,
169	0	it->templates, pctx))
170	0	return 0;
171	0	break;
172	0	}
173		/* fall through */
174	0	case ASN1_ITYPE_MSTRING:
175	0	if (!asn1_primitive_print(out, fld, it, indent, fname, sname, pctx))
176	0	return 0;
177	0	break;
178
179	0	case ASN1_ITYPE_EXTERN:
180	0	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
181	0	return 0;
182		/* Use new style print routine if possible */
183	0	ef = it->funcs;
184	0	if (ef && ef->asn1_ex_print) {
185	0	i = ef->asn1_ex_print(out, fld, indent, "", pctx);
186	0	if (!i)
187	0	return 0;
188	0	if ((i == 2) && (BIO_puts(out, "\n") <= 0))
189	0	return 0;
190	0	return 1;
191	0	} else if (sname &&
192	0	BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
193	0	return 0;
194	0	break;
195
196	0	case ASN1_ITYPE_CHOICE:
197		/* CHOICE type, get selector */
198	0	i = asn1_get_choice_selector(fld, it);
199		/* This should never happen... */
200	0	if ((i < 0) \|\| (i >= it->tcount)) {
201	0	if (BIO_printf(out, "ERROR: selector [%d] invalid\n", i) <= 0)
202	0	return 0;
203	0	return 1;
204	0	}
205	0	tt = it->templates + i;
206	0	tmpfld = asn1_get_field_ptr(fld, tt);
207	0	if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
208	0	return 0;
209	0	break;
210
211	0	case ASN1_ITYPE_SEQUENCE:
212	0	case ASN1_ITYPE_NDEF_SEQUENCE:
213	0	if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
214	0	return 0;
215	0	if (fname \|\| sname) {
216	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
217	0	if (BIO_puts(out, " {\n") <= 0)
218	0	return 0;
219	0	} else {
220	0	if (BIO_puts(out, "\n") <= 0)
221	0	return 0;
222	0	}
223	0	}
224
225	0	if (asn1_cb) {
226	0	i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg);
227	0	if (i == 0)
228	0	return 0;
229	0	if (i == 2)
230	0	return 1;
231	0	}
232
233		/* Print each field entry */
234	0	for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
235	0	const ASN1_TEMPLATE *seqtt;
236	0	seqtt = asn1_do_adb(fld, tt, 1);
237	0	if (!seqtt)
238	0	return 0;
239	0	tmpfld = asn1_get_field_ptr(fld, seqtt);
240	0	if (!asn1_template_print_ctx(out, tmpfld,
241	0	indent + 2, seqtt, pctx))
242	0	return 0;
243	0	}
244	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
245	0	if (BIO_printf(out, "%*s}\n", indent, "") < 0)
246	0	return 0;
247	0	}
248
249	0	if (asn1_cb) {
250	0	i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg);
251	0	if (i == 0)
252	0	return 0;
253	0	}
254	0	break;
255
256	0	default:
257	0	BIO_printf(out, "Unprocessed type %d\n", it->itype);
258	0	return 0;
259	0	}
260
261	0	return 1;
262	0	}
263
264		static int asn1_template_print_ctx(BIO out, ASN1_VALUE *fld, int indent,
265		const ASN1_TEMPLATE tt, const ASN1_PCTX pctx)
266	0	{
267	0	int i, flags;
268	0	const char sname, fname;
269	0	ASN1_VALUE *tfld;
270	0	flags = tt->flags;
271	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
272	0	sname = ASN1_ITEM_ptr(tt->item)->sname;
273	0	else
274	0	sname = NULL;
275	0	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
276	0	fname = NULL;
277	0	else
278	0	fname = tt->field_name;
279
280		/*
281		* If field is embedded then fld needs fixing so it is a pointer to
282		* a pointer to a field.
283		*/
284	0	if (flags & ASN1_TFLG_EMBED) {
285	0	tfld = (ASN1_VALUE *)fld;
286	0	fld = &tfld;
287	0	}
288
289	0	if (flags & ASN1_TFLG_SK_MASK) {
290	0	char *tname;
291	0	ASN1_VALUE *skitem;
292	0	STACK_OF(ASN1_VALUE) *stack;
293
294		/* SET OF, SEQUENCE OF */
295	0	if (fname) {
296	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF) {
297	0	if (flags & ASN1_TFLG_SET_OF)
298	0	tname = "SET";
299	0	else
300	0	tname = "SEQUENCE";
301	0	if (BIO_printf(out, "%*s%s OF %s {\n",
302	0	indent, "", tname, tt->field_name) <= 0)
303	0	return 0;
304	0	} else if (BIO_printf(out, "%*s%s:\n", indent, "", fname) <= 0)
305	0	return 0;
306	0	}
307	0	stack = (STACK_OF(ASN1_VALUE) )fld;
308	0	for (i = 0; i < sk_ASN1_VALUE_num(stack); i++) {
309	0	if ((i > 0) && (BIO_puts(out, "\n") <= 0))
310	0	return 0;
311
312	0	skitem = sk_ASN1_VALUE_value(stack, i);
313	0	if (!asn1_item_print_ctx(out, &skitem, indent + 2,
314	0	ASN1_ITEM_ptr(tt->item), NULL, NULL, 1,
315	0	pctx))
316	0	return 0;
317	0	}
318	0	if (i == 0 && BIO_printf(out, "%*s<%s>\n", indent + 2, "",
319	0	stack == NULL ? "ABSENT" : "EMPTY") <= 0)
320	0	return 0;
321	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
322	0	if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
323	0	return 0;
324	0	}
325	0	return 1;
326	0	}
327	0	return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
328	0	fname, sname, 0, pctx);
329	0	}
330
331		static int asn1_print_fsname(BIO *out, int indent,
332		const char fname, const char sname,
333		const ASN1_PCTX *pctx)
334	0	{
335	0	static const char spaces[] = " ";
336	0	static const int nspaces = sizeof(spaces) - 1;
337
338	0	while (indent > nspaces) {
339	0	if (BIO_write(out, spaces, nspaces) != nspaces)
340	0	return 0;
341	0	indent -= nspaces;
342	0	}
343	0	if (BIO_write(out, spaces, indent) != indent)
344	0	return 0;
345	0	if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
346	0	sname = NULL;
347	0	if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
348	0	fname = NULL;
349	0	if (!sname && !fname)
350	0	return 1;
351	0	if (fname) {
352	0	if (BIO_puts(out, fname) <= 0)
353	0	return 0;
354	0	}
355	0	if (sname) {
356	0	if (fname) {
357	0	if (BIO_printf(out, " (%s)", sname) <= 0)
358	0	return 0;
359	0	} else {
360	0	if (BIO_puts(out, sname) <= 0)
361	0	return 0;
362	0	}
363	0	}
364	0	if (BIO_write(out, ": ", 2) != 2)
365	0	return 0;
366	0	return 1;
367	0	}
368
369		static int asn1_print_boolean(BIO *out, int boolval)
370	0	{
371	0	const char *str;
372	0	switch (boolval) {
373	0	case -1:
374	0	str = "BOOL ABSENT";
375	0	break;
376
377	0	case 0:
378	0	str = "FALSE";
379	0	break;
380
381	0	default:
382	0	str = "TRUE";
383	0	break;
384
385	0	}
386
387	0	if (BIO_puts(out, str) <= 0)
388	0	return 0;
389	0	return 1;
390
391	0	}
392
393		static int asn1_print_integer(BIO out, const ASN1_INTEGER str)
394	0	{
395	0	char *s;
396	0	int ret = 1;
397	0	s = i2s_ASN1_INTEGER(NULL, str);
398	0	if (s == NULL)
399	0	return 0;
400	0	if (BIO_puts(out, s) <= 0)
401	0	ret = 0;
402	0	OPENSSL_free(s);
403	0	return ret;
404	0	}
405
406		static int asn1_print_oid(BIO out, const ASN1_OBJECT oid)
407	0	{
408	0	char objbuf[80];
409	0	const char *ln;
410	0	ln = OBJ_nid2ln(OBJ_obj2nid(oid));
411	0	if (!ln)
412	0	ln = "";
413	0	OBJ_obj2txt(objbuf, sizeof(objbuf), oid, 1);
414	0	if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
415	0	return 0;
416	0	return 1;
417	0	}
418
419		static int asn1_print_obstring(BIO out, const ASN1_STRING str, int indent)
420	0	{
421	0	if (str->type == V_ASN1_BIT_STRING) {
422	0	if (BIO_printf(out, " (%ld unused bits)\n", str->flags & 0x7) <= 0)
423	0	return 0;
424	0	} else if (BIO_puts(out, "\n") <= 0)
425	0	return 0;
426	0	if ((str->length > 0)
427	0	&& BIO_dump_indent(out, (const char *)str->data, str->length,
428	0	indent + 2) <= 0)
429	0	return 0;
430	0	return 1;
431	0	}
432
433		static int asn1_primitive_print(BIO out, ASN1_VALUE *fld,
434		const ASN1_ITEM *it, int indent,
435		const char fname, const char sname,
436		const ASN1_PCTX *pctx)
437	0	{
438	0	long utype;
439	0	ASN1_STRING *str;
440	0	int ret = 1, needlf = 1;
441	0	const char *pname;
442	0	const ASN1_PRIMITIVE_FUNCS *pf;
443	0	pf = it->funcs;
444	0	if (!asn1_print_fsname(out, indent, fname, sname, pctx))
445	0	return 0;
446	0	if (pf && pf->prim_print)
447	0	return pf->prim_print(out, fld, it, indent, pctx);
448	0	if (it->itype == ASN1_ITYPE_MSTRING) {
449	0	str = (ASN1_STRING )fld;
450	0	utype = str->type & ~V_ASN1_NEG;
451	0	} else {
452	0	utype = it->utype;
453	0	if (utype == V_ASN1_BOOLEAN)
454	0	str = NULL;
455	0	else
456	0	str = (ASN1_STRING )fld;
457	0	}
458	0	if (utype == V_ASN1_ANY) {
459	0	ASN1_TYPE atype = (ASN1_TYPE )*fld;
460	0	utype = atype->type;
461	0	fld = &atype->value.asn1_value;
462	0	str = (ASN1_STRING )fld;
463	0	if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
464	0	pname = NULL;
465	0	else
466	0	pname = ASN1_tag2str(utype);
467	0	} else {
468	0	if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
469	0	pname = ASN1_tag2str(utype);
470	0	else
471	0	pname = NULL;
472	0	}
473
474	0	if (utype == V_ASN1_NULL) {
475	0	if (BIO_puts(out, "NULL\n") <= 0)
476	0	return 0;
477	0	return 1;
478	0	}
479
480	0	if (pname) {
481	0	if (BIO_puts(out, pname) <= 0)
482	0	return 0;
483	0	if (BIO_puts(out, ":") <= 0)
484	0	return 0;
485	0	}
486
487	0	switch (utype) {
488	0	case V_ASN1_BOOLEAN:
489	0	{
490	0	int boolval = (int )fld;
491	0	if (boolval == -1)
492	0	boolval = it->size;
493	0	ret = asn1_print_boolean(out, boolval);
494	0	}
495	0	break;
496
497	0	case V_ASN1_INTEGER:
498	0	case V_ASN1_ENUMERATED:
499	0	ret = asn1_print_integer(out, str);
500	0	break;
501
502	0	case V_ASN1_UTCTIME:
503	0	ret = ASN1_UTCTIME_print(out, str);
504	0	break;
505
506	0	case V_ASN1_GENERALIZEDTIME:
507	0	ret = ASN1_GENERALIZEDTIME_print(out, str);
508	0	break;
509
510	0	case V_ASN1_OBJECT:
511	0	ret = asn1_print_oid(out, (const ASN1_OBJECT )fld);
512	0	break;
513
514	0	case V_ASN1_OCTET_STRING:
515	0	case V_ASN1_BIT_STRING:
516	0	ret = asn1_print_obstring(out, str, indent);
517	0	needlf = 0;
518	0	break;
519
520	0	case V_ASN1_SEQUENCE:
521	0	case V_ASN1_SET:
522	0	case V_ASN1_OTHER:
523	0	if (BIO_puts(out, "\n") <= 0)
524	0	return 0;
525	0	if (ASN1_parse_dump(out, str->data, str->length, indent, 0) <= 0)
526	0	ret = 0;
527	0	needlf = 0;
528	0	break;
529
530	0	default:
531	0	ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
532
533	0	}
534	0	if (!ret)
535	0	return 0;
536	0	if (needlf && BIO_puts(out, "\n") <= 0)
537	0	return 0;
538	0	return 1;
539	0	}