/src/irssi/subprojects/openssl-1.1.1l/crypto/objects/obj_dat.c

Source
/*
 * Copyright 1995-2018 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 <stdio.h>
#include "crypto/ctype.h"
#include <limits.h>
#include "internal/cryptlib.h"
#include <openssl/lhash.h>
#include <openssl/asn1.h>
#include "crypto/objects.h"
#include <openssl/bn.h>
#include "crypto/asn1.h"
#include "obj_local.h"

/* obj_dat.h is generated from objects.h by obj_dat.pl */
#include "obj_dat.h"

DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);

#define ADDED_DATA      0
#define ADDED_SNAME     1
#define ADDED_LNAME     2
#define ADDED_NID       3

struct added_obj_st {
    int type;
    ASN1_OBJECT *obj;
};

static int new_nid = NUM_NID;
static LHASH_OF(ADDED_OBJ) *added = NULL;

static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
{
    return strcmp((*a)->sn, nid_objs[*b].sn);
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);

static int ln_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
{
    return strcmp((*a)->ln, nid_objs[*b].ln);
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);

static unsigned long added_obj_hash(const ADDED_OBJ *ca)
{
    const ASN1_OBJECT *a;
    int i;
    unsigned long ret = 0;
    unsigned char *p;

    a = ca->obj;
    switch (ca->type) {
    case ADDED_DATA:
        ret = a->length << 20L;
        p = (unsigned char *)a->data;
        for (i = 0; i < a->length; i++)
            ret ^= p[i] << ((i * 3) % 24);
        break;
    case ADDED_SNAME:
        ret = OPENSSL_LH_strhash(a->sn);
        break;
    case ADDED_LNAME:
        ret = OPENSSL_LH_strhash(a->ln);
        break;
    case ADDED_NID:
        ret = a->nid;
        break;
    default:
        /* abort(); */
        return 0;
    }
    ret &= 0x3fffffffL;
    ret |= ((unsigned long)ca->type) << 30L;
    return ret;
}

static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
{
    ASN1_OBJECT *a, *b;
    int i;

    i = ca->type - cb->type;
    if (i)
        return i;
    a = ca->obj;
    b = cb->obj;
    switch (ca->type) {
    case ADDED_DATA:
        i = (a->length - b->length);
        if (i)
            return i;
        return memcmp(a->data, b->data, (size_t)a->length);
    case ADDED_SNAME:
        if (a->sn == NULL)
            return -1;
        else if (b->sn == NULL)
            return 1;
        else
            return strcmp(a->sn, b->sn);
    case ADDED_LNAME:
        if (a->ln == NULL)
            return -1;
        else if (b->ln == NULL)
            return 1;
        else
            return strcmp(a->ln, b->ln);
    case ADDED_NID:
        return a->nid - b->nid;
    default:
        /* abort(); */
        return 0;
    }
}

static int init_added(void)
{
    if (added != NULL)
        return 1;
    added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp);
    return added != NULL;
}

static void cleanup1_doall(ADDED_OBJ *a)
{
    a->obj->nid = 0;
    a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
        ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA;
}

static void cleanup2_doall(ADDED_OBJ *a)
{
    a->obj->nid++;
}

static void cleanup3_doall(ADDED_OBJ *a)
{
    if (--a->obj->nid == 0)
        ASN1_OBJECT_free(a->obj);
    OPENSSL_free(a);
}

void obj_cleanup_int(void)
{
    if (added == NULL)
        return;
    lh_ADDED_OBJ_set_down_load(added, 0);
    lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */
    lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */
    lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */
    lh_ADDED_OBJ_free(added);
    added = NULL;
}

int OBJ_new_nid(int num)
{
    int i;

    i = new_nid;
    new_nid += num;
    return i;
}

int OBJ_add_object(const ASN1_OBJECT *obj)
{
    ASN1_OBJECT *o;
    ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop;
    int i;

    if (added == NULL)
        if (!init_added())
            return 0;
    if ((o = OBJ_dup(obj)) == NULL)
        goto err;
    if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
        goto err2;
    if ((o->length != 0) && (obj->data != NULL))
        if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
            goto err2;
    if (o->sn != NULL)
        if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
            goto err2;
    if (o->ln != NULL)
        if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
            goto err2;

    for (i = ADDED_DATA; i <= ADDED_NID; i++) {
        if (ao[i] != NULL) {
            ao[i]->type = i;
            ao[i]->obj = o;
            aop = lh_ADDED_OBJ_insert(added, ao[i]);
            /* memory leak, but should not normally matter */
            OPENSSL_free(aop);
        }
    }
    o->flags &=
        ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
          ASN1_OBJECT_FLAG_DYNAMIC_DATA);

    return o->nid;
 err2:
    OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
 err:
    for (i = ADDED_DATA; i <= ADDED_NID; i++)
        OPENSSL_free(ao[i]);
    ASN1_OBJECT_free(o);
    return NID_undef;
}

ASN1_OBJECT *OBJ_nid2obj(int n)
{
    ADDED_OBJ ad, *adp;
    ASN1_OBJECT ob;

    if ((n >= 0) && (n < NUM_NID)) {
        if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
            OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
        return (ASN1_OBJECT *)&(nid_objs[n]);
    } else if (added == NULL)
        return NULL;
    else {
        ad.type = ADDED_NID;
        ad.obj = &ob;
        ob.nid = n;
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj;
        else {
            OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
    }
}

const char *OBJ_nid2sn(int n)
{
    ADDED_OBJ ad, *adp;
    ASN1_OBJECT ob;

    if ((n >= 0) && (n < NUM_NID)) {
        if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
            OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
        return nid_objs[n].sn;
    } else if (added == NULL)
        return NULL;
    else {
        ad.type = ADDED_NID;
        ad.obj = &ob;
        ob.nid = n;
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj->sn;
        else {
            OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
    }
}

const char *OBJ_nid2ln(int n)
{
    ADDED_OBJ ad, *adp;
    ASN1_OBJECT ob;

    if ((n >= 0) && (n < NUM_NID)) {
        if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
            OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
        return nid_objs[n].ln;
    } else if (added == NULL)
        return NULL;
    else {
        ad.type = ADDED_NID;
        ad.obj = &ob;
        ob.nid = n;
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj->ln;
        else {
            OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
            return NULL;
        }
    }
}

static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp)
{
    int j;
    const ASN1_OBJECT *a = *ap;
    const ASN1_OBJECT *b = &nid_objs[*bp];

    j = (a->length - b->length);
    if (j)
        return j;
    if (a->length == 0)
        return 0;
    return memcmp(a->data, b->data, a->length);
}

IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);

int OBJ_obj2nid(const ASN1_OBJECT *a)
{
    const unsigned int *op;
    ADDED_OBJ ad, *adp;

    if (a == NULL)
        return NID_undef;
    if (a->nid != 0)
        return a->nid;

    if (a->length == 0)
        return NID_undef;

    if (added != NULL) {
        ad.type = ADDED_DATA;
        ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj->nid;
    }
    op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
    if (op == NULL)
        return NID_undef;
    return nid_objs[*op].nid;
}

/*
 * Convert an object name into an ASN1_OBJECT if "noname" is not set then
 * search for short and long names first. This will convert the "dotted" form
 * into an object: unlike OBJ_txt2nid it can be used with any objects, not
 * just registered ones.
 */

ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
{
    int nid = NID_undef;
    ASN1_OBJECT *op;
    unsigned char *buf;
    unsigned char *p;
    const unsigned char *cp;
    int i, j;

    if (!no_name) {
        if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
            ((nid = OBJ_ln2nid(s)) != NID_undef))
            return OBJ_nid2obj(nid);
    }

    /* Work out size of content octets */
    i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
    if (i <= 0) {
        /* Don't clear the error */
        /*
         * ERR_clear_error();
         */
        return NULL;
    }
    /* Work out total size */
    j = ASN1_object_size(0, i, V_ASN1_OBJECT);
    if (j < 0)
        return NULL;

    if ((buf = OPENSSL_malloc(j)) == NULL) {
        OBJerr(OBJ_F_OBJ_TXT2OBJ, ERR_R_MALLOC_FAILURE);
        return NULL;
    }

    p = buf;
    /* Write out tag+length */
    ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
    /* Write out contents */
    a2d_ASN1_OBJECT(p, i, s, -1);

    cp = buf;
    op = d2i_ASN1_OBJECT(NULL, &cp, j);
    OPENSSL_free(buf);
    return op;
}

int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
{
    int i, n = 0, len, nid, first, use_bn;
    BIGNUM *bl;
    unsigned long l;
    const unsigned char *p;
    char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];

    /* Ensure that, at every state, |buf| is NUL-terminated. */
    if (buf && buf_len > 0)
        buf[0] = '\0';

    if ((a == NULL) || (a->data == NULL))
        return 0;

    if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
        const char *s;
        s = OBJ_nid2ln(nid);
        if (s == NULL)
            s = OBJ_nid2sn(nid);
        if (s) {
            if (buf)
                OPENSSL_strlcpy(buf, s, buf_len);
            n = strlen(s);
            return n;
        }
    }

    len = a->length;
    p = a->data;

    first = 1;
    bl = NULL;

    while (len > 0) {
        l = 0;
        use_bn = 0;
        for (;;) {
            unsigned char c = *p++;
            len--;
            if ((len == 0) && (c & 0x80))
                goto err;
            if (use_bn) {
                if (!BN_add_word(bl, c & 0x7f))
                    goto err;
            } else
                l |= c & 0x7f;
            if (!(c & 0x80))
                break;
            if (!use_bn && (l > (ULONG_MAX >> 7L))) {
                if (bl == NULL && (bl = BN_new()) == NULL)
                    goto err;
                if (!BN_set_word(bl, l))
                    goto err;
                use_bn = 1;
            }
            if (use_bn) {
                if (!BN_lshift(bl, bl, 7))
                    goto err;
            } else
                l <<= 7L;
        }

        if (first) {
            first = 0;
            if (l >= 80) {
                i = 2;
                if (use_bn) {
                    if (!BN_sub_word(bl, 80))
                        goto err;
                } else
                    l -= 80;
            } else {
                i = (int)(l / 40);
                l -= (long)(i * 40);
            }
            if (buf && (buf_len > 1)) {
                *buf++ = i + '0';
                *buf = '\0';
                buf_len--;
            }
            n++;
        }

        if (use_bn) {
            char *bndec;
            bndec = BN_bn2dec(bl);
            if (!bndec)
                goto err;
            i = strlen(bndec);
            if (buf) {
                if (buf_len > 1) {
                    *buf++ = '.';
                    *buf = '\0';
                    buf_len--;
                }
                OPENSSL_strlcpy(buf, bndec, buf_len);
                if (i > buf_len) {
                    buf += buf_len;
                    buf_len = 0;
                } else {
                    buf += i;
                    buf_len -= i;
                }
            }
            n++;
            n += i;
            OPENSSL_free(bndec);
        } else {
            BIO_snprintf(tbuf, sizeof(tbuf), ".%lu", l);
            i = strlen(tbuf);
            if (buf && (buf_len > 0)) {
                OPENSSL_strlcpy(buf, tbuf, buf_len);
                if (i > buf_len) {
                    buf += buf_len;
                    buf_len = 0;
                } else {
                    buf += i;
                    buf_len -= i;
                }
            }
            n += i;
            l = 0;
        }
    }

    BN_free(bl);
    return n;

 err:
    BN_free(bl);
    return -1;
}

int OBJ_txt2nid(const char *s)
{
    ASN1_OBJECT *obj;
    int nid;
    obj = OBJ_txt2obj(s, 0);
    nid = OBJ_obj2nid(obj);
    ASN1_OBJECT_free(obj);
    return nid;
}

int OBJ_ln2nid(const char *s)
{
    ASN1_OBJECT o;
    const ASN1_OBJECT *oo = &o;
    ADDED_OBJ ad, *adp;
    const unsigned int *op;

    o.ln = s;
    if (added != NULL) {
        ad.type = ADDED_LNAME;
        ad.obj = &o;
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj->nid;
    }
    op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
    if (op == NULL)
        return NID_undef;
    return nid_objs[*op].nid;
}

int OBJ_sn2nid(const char *s)
{
    ASN1_OBJECT o;
    const ASN1_OBJECT *oo = &o;
    ADDED_OBJ ad, *adp;
    const unsigned int *op;

    o.sn = s;
    if (added != NULL) {
        ad.type = ADDED_SNAME;
        ad.obj = &o;
        adp = lh_ADDED_OBJ_retrieve(added, &ad);
        if (adp != NULL)
            return adp->obj->nid;
    }
    op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
    if (op == NULL)
        return NID_undef;
    return nid_objs[*op].nid;
}

const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
                         int (*cmp) (const void *, const void *))
{
    return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
}

const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
                            int size,
                            int (*cmp) (const void *, const void *),
                            int flags)
{
    const char *base = base_;
    int l, h, i = 0, c = 0;
    const char *p = NULL;

    if (num == 0)
        return NULL;
    l = 0;
    h = num;
    while (l < h) {
        i = (l + h) / 2;
        p = &(base[i * size]);
        c = (*cmp) (key, p);
        if (c < 0)
            h = i;
        else if (c > 0)
            l = i + 1;
        else
            break;
    }
#ifdef CHARSET_EBCDIC
    /*
     * THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I
     * don't have perl (yet), we revert to a *LINEAR* search when the object
     * wasn't found in the binary search.
     */
    if (c != 0) {
        for (i = 0; i < num; ++i) {
            p = &(base[i * size]);
            c = (*cmp) (key, p);
            if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
                return p;
        }
    }
#endif
    if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
        p = NULL;
    else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
        while (i > 0 && (*cmp) (key, &(base[(i - 1) * size])) == 0)
            i--;
        p = &(base[i * size]);
    }
    return p;
}

/*
 * Parse a BIO sink to create some extra oid's objects.
 * Line format:<OID:isdigit or '.']><isspace><SN><isspace><LN>
 */
int OBJ_create_objects(BIO *in)
{
    char buf[512];
    int i, num = 0;
    char *o, *s, *l = NULL;

    for (;;) {
        s = o = NULL;
        i = BIO_gets(in, buf, 512);
        if (i <= 0)
            return num;
        buf[i - 1] = '\0';
        if (!ossl_isalnum(buf[0]))
            return num;
        o = s = buf;
        while (ossl_isdigit(*s) || *s == '.')
            s++;
        if (*s != '\0') {
            *(s++) = '\0';
            while (ossl_isspace(*s))
                s++;
            if (*s == '\0') {
                s = NULL;
            } else {
                l = s;
                while (*l != '\0' && !ossl_isspace(*l))
                    l++;
                if (*l != '\0') {
                    *(l++) = '\0';
                    while (ossl_isspace(*l))
                        l++;
                    if (*l == '\0') {
                        l = NULL;
                    }
                } else {
                    l = NULL;
                }
            }
        } else {
            s = NULL;
        }
        if (*o == '\0')
            return num;
        if (!OBJ_create(o, s, l))
            return num;
        num++;
    }
}

int OBJ_create(const char *oid, const char *sn, const char *ln)
{
    ASN1_OBJECT *tmpoid = NULL;
    int ok = 0;

    /* Check to see if short or long name already present */
    if ((sn != NULL && OBJ_sn2nid(sn) != NID_undef)
            || (ln != NULL && OBJ_ln2nid(ln) != NID_undef)) {
        OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
        return 0;
    }

    /* Convert numerical OID string to an ASN1_OBJECT structure */
    tmpoid = OBJ_txt2obj(oid, 1);
    if (tmpoid == NULL)
        return 0;

    /* If NID is not NID_undef then object already exists */
    if (OBJ_obj2nid(tmpoid) != NID_undef) {
        OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
        goto err;
    }

    tmpoid->nid = OBJ_new_nid(1);
    tmpoid->sn = (char *)sn;
    tmpoid->ln = (char *)ln;

    ok = OBJ_add_object(tmpoid);

    tmpoid->sn = NULL;
    tmpoid->ln = NULL;

 err:
    ASN1_OBJECT_free(tmpoid);
    return ok;
}

size_t OBJ_length(const ASN1_OBJECT *obj)
{
    if (obj == NULL)
        return 0;
    return obj->length;
}

const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)
{
    if (obj == NULL)
        return NULL;
    return obj->data;
}

Coverage Report

Created: 2025-09-27 07:14

Line	Count	Source
1		/*
2		* Copyright 1995-2018 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 <stdio.h>
11		#include "crypto/ctype.h"
12		#include <limits.h>
13		#include "internal/cryptlib.h"
14		#include <openssl/lhash.h>
15		#include <openssl/asn1.h>
16		#include "crypto/objects.h"
17		#include <openssl/bn.h>
18		#include "crypto/asn1.h"
19		#include "obj_local.h"
20
21		/* obj_dat.h is generated from objects.h by obj_dat.pl */
22		#include "obj_dat.h"
23
24		DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
25		DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
26		DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
27
28	0	#define ADDED_DATA 0
29	0	#define ADDED_SNAME 1
30	0	#define ADDED_LNAME 2
31	0	#define ADDED_NID 3
32
33		struct added_obj_st {
34		int type;
35		ASN1_OBJECT *obj;
36		};
37
38		static int new_nid = NUM_NID;
39		static LHASH_OF(ADDED_OBJ) *added = NULL;
40
41		static int sn_cmp(const ASN1_OBJECT const a, const unsigned int *b)
42	0	{
43	0	return strcmp((a)->sn, nid_objs[b].sn);
44	0	}
45
46		IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
47
48		static int ln_cmp(const ASN1_OBJECT const a, const unsigned int *b)
49	0	{
50	0	return strcmp((a)->ln, nid_objs[b].ln);
51	0	}
52
53		IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
54
55		static unsigned long added_obj_hash(const ADDED_OBJ *ca)
56	0	{
57	0	const ASN1_OBJECT *a;
58	0	int i;
59	0	unsigned long ret = 0;
60	0	unsigned char *p;
61
62	0	a = ca->obj;
63	0	switch (ca->type) {
64	0	case ADDED_DATA:
65	0	ret = a->length << 20L;
66	0	p = (unsigned char *)a->data;
67	0	for (i = 0; i < a->length; i++)
68	0	ret ^= p[i] << ((i * 3) % 24);
69	0	break;
70	0	case ADDED_SNAME:
71	0	ret = OPENSSL_LH_strhash(a->sn);
72	0	break;
73	0	case ADDED_LNAME:
74	0	ret = OPENSSL_LH_strhash(a->ln);
75	0	break;
76	0	case ADDED_NID:
77	0	ret = a->nid;
78	0	break;
79	0	default:
80		/* abort(); */
81	0	return 0;
82	0	}
83	0	ret &= 0x3fffffffL;
84	0	ret \|= ((unsigned long)ca->type) << 30L;
85	0	return ret;
86	0	}
87
88		static int added_obj_cmp(const ADDED_OBJ ca, const ADDED_OBJ cb)
89	0	{
90	0	ASN1_OBJECT a, b;
91	0	int i;
92
93	0	i = ca->type - cb->type;
94	0	if (i)
95	0	return i;
96	0	a = ca->obj;
97	0	b = cb->obj;
98	0	switch (ca->type) {
99	0	case ADDED_DATA:
100	0	i = (a->length - b->length);
101	0	if (i)
102	0	return i;
103	0	return memcmp(a->data, b->data, (size_t)a->length);
104	0	case ADDED_SNAME:
105	0	if (a->sn == NULL)
106	0	return -1;
107	0	else if (b->sn == NULL)
108	0	return 1;
109	0	else
110	0	return strcmp(a->sn, b->sn);
111	0	case ADDED_LNAME:
112	0	if (a->ln == NULL)
113	0	return -1;
114	0	else if (b->ln == NULL)
115	0	return 1;
116	0	else
117	0	return strcmp(a->ln, b->ln);
118	0	case ADDED_NID:
119	0	return a->nid - b->nid;
120	0	default:
121		/* abort(); */
122	0	return 0;
123	0	}
124	0	}
125
126		static int init_added(void)
127	0	{
128	0	if (added != NULL)
129	0	return 1;
130	0	added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp);
131	0	return added != NULL;
132	0	}
133
134		static void cleanup1_doall(ADDED_OBJ *a)
135	0	{
136	0	a->obj->nid = 0;
137	0	a->obj->flags \|= ASN1_OBJECT_FLAG_DYNAMIC \|
138	0	ASN1_OBJECT_FLAG_DYNAMIC_STRINGS \| ASN1_OBJECT_FLAG_DYNAMIC_DATA;
139	0	}
140
141		static void cleanup2_doall(ADDED_OBJ *a)
142	0	{
143	0	a->obj->nid++;
144	0	}
145
146		static void cleanup3_doall(ADDED_OBJ *a)
147	0	{
148	0	if (--a->obj->nid == 0)
149	0	ASN1_OBJECT_free(a->obj);
150	0	OPENSSL_free(a);
151	0	}
152
153		void obj_cleanup_int(void)
154	2	{
155	2	if (added == NULL)
156	2	return;
157	0	lh_ADDED_OBJ_set_down_load(added, 0);
158	0	lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */
159	0	lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */
160	0	lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */
161	0	lh_ADDED_OBJ_free(added);
162	0	added = NULL;
163	0	}
164
165		int OBJ_new_nid(int num)
166	0	{
167	0	int i;
168
169	0	i = new_nid;
170	0	new_nid += num;
171	0	return i;
172	0	}
173
174		int OBJ_add_object(const ASN1_OBJECT *obj)
175	0	{
176	0	ASN1_OBJECT *o;
177	0	ADDED_OBJ ao[4] = { NULL, NULL, NULL, NULL }, aop;
178	0	int i;
179
180	0	if (added == NULL)
181	0	if (!init_added())
182	0	return 0;
183	0	if ((o = OBJ_dup(obj)) == NULL)
184	0	goto err;
185	0	if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
186	0	goto err2;
187	0	if ((o->length != 0) && (obj->data != NULL))
188	0	if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
189	0	goto err2;
190	0	if (o->sn != NULL)
191	0	if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
192	0	goto err2;
193	0	if (o->ln != NULL)
194	0	if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
195	0	goto err2;
196
197	0	for (i = ADDED_DATA; i <= ADDED_NID; i++) {
198	0	if (ao[i] != NULL) {
199	0	ao[i]->type = i;
200	0	ao[i]->obj = o;
201	0	aop = lh_ADDED_OBJ_insert(added, ao[i]);
202		/* memory leak, but should not normally matter */
203	0	OPENSSL_free(aop);
204	0	}
205	0	}
206	0	o->flags &=
207	0	~(ASN1_OBJECT_FLAG_DYNAMIC \| ASN1_OBJECT_FLAG_DYNAMIC_STRINGS \|
208	0	ASN1_OBJECT_FLAG_DYNAMIC_DATA);
209
210	0	return o->nid;
211	0	err2:
212	0	OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
213	0	err:
214	0	for (i = ADDED_DATA; i <= ADDED_NID; i++)
215	0	OPENSSL_free(ao[i]);
216	0	ASN1_OBJECT_free(o);
217	0	return NID_undef;
218	0	}
219
220		ASN1_OBJECT *OBJ_nid2obj(int n)
221	0	{
222	0	ADDED_OBJ ad, *adp;
223	0	ASN1_OBJECT ob;
224
225	0	if ((n >= 0) && (n < NUM_NID)) {
226	0	if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
227	0	OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
228	0	return NULL;
229	0	}
230	0	return (ASN1_OBJECT *)&(nid_objs[n]);
231	0	} else if (added == NULL)
232	0	return NULL;
233	0	else {
234	0	ad.type = ADDED_NID;
235	0	ad.obj = &ob;
236	0	ob.nid = n;
237	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
238	0	if (adp != NULL)
239	0	return adp->obj;
240	0	else {
241	0	OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
242	0	return NULL;
243	0	}
244	0	}
245	0	}
246
247		const char *OBJ_nid2sn(int n)
248	480	{
249	480	ADDED_OBJ ad, *adp;
250	480	ASN1_OBJECT ob;
251
252	480	if ((n >= 0) && (n < NUM_NID)) {
253	480	if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
254	0	OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
255	0	return NULL;
256	0	}
257	480	return nid_objs[n].sn;
258	480	} else if (added == NULL)
259	0	return NULL;
260	0	else {
261	0	ad.type = ADDED_NID;
262	0	ad.obj = &ob;
263	0	ob.nid = n;
264	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
265	0	if (adp != NULL)
266	0	return adp->obj->sn;
267	0	else {
268	0	OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
269	0	return NULL;
270	0	}
271	0	}
272	480	}
273
274		const char *OBJ_nid2ln(int n)
275	414	{
276	414	ADDED_OBJ ad, *adp;
277	414	ASN1_OBJECT ob;
278
279	414	if ((n >= 0) && (n < NUM_NID)) {
280	414	if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
281	0	OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
282	0	return NULL;
283	0	}
284	414	return nid_objs[n].ln;
285	414	} else if (added == NULL)
286	0	return NULL;
287	0	else {
288	0	ad.type = ADDED_NID;
289	0	ad.obj = &ob;
290	0	ob.nid = n;
291	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
292	0	if (adp != NULL)
293	0	return adp->obj->ln;
294	0	else {
295	0	OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
296	0	return NULL;
297	0	}
298	0	}
299	414	}
300
301		static int obj_cmp(const ASN1_OBJECT const ap, const unsigned int *bp)
302	0	{
303	0	int j;
304	0	const ASN1_OBJECT a = ap;
305	0	const ASN1_OBJECT b = &nid_objs[bp];
306
307	0	j = (a->length - b->length);
308	0	if (j)
309	0	return j;
310	0	if (a->length == 0)
311	0	return 0;
312	0	return memcmp(a->data, b->data, a->length);
313	0	}
314
315		IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
316
317		int OBJ_obj2nid(const ASN1_OBJECT *a)
318	0	{
319	0	const unsigned int *op;
320	0	ADDED_OBJ ad, *adp;
321
322	0	if (a == NULL)
323	0	return NID_undef;
324	0	if (a->nid != 0)
325	0	return a->nid;
326
327	0	if (a->length == 0)
328	0	return NID_undef;
329
330	0	if (added != NULL) {
331	0	ad.type = ADDED_DATA;
332	0	ad.obj = (ASN1_OBJECT )a; / XXX: ugly but harmless */
333	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
334	0	if (adp != NULL)
335	0	return adp->obj->nid;
336	0	}
337	0	op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
338	0	if (op == NULL)
339	0	return NID_undef;
340	0	return nid_objs[*op].nid;
341	0	}
342
343		/*
344		* Convert an object name into an ASN1_OBJECT if "noname" is not set then
345		* search for short and long names first. This will convert the "dotted" form
346		* into an object: unlike OBJ_txt2nid it can be used with any objects, not
347		* just registered ones.
348		*/
349
350		ASN1_OBJECT OBJ_txt2obj(const char s, int no_name)
351	0	{
352	0	int nid = NID_undef;
353	0	ASN1_OBJECT *op;
354	0	unsigned char *buf;
355	0	unsigned char *p;
356	0	const unsigned char *cp;
357	0	int i, j;
358
359	0	if (!no_name) {
360	0	if (((nid = OBJ_sn2nid(s)) != NID_undef) \|\|
361	0	((nid = OBJ_ln2nid(s)) != NID_undef))
362	0	return OBJ_nid2obj(nid);
363	0	}
364
365		/* Work out size of content octets */
366	0	i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
367	0	if (i <= 0) {
368		/* Don't clear the error */
369		/*
370		* ERR_clear_error();
371		*/
372	0	return NULL;
373	0	}
374		/* Work out total size */
375	0	j = ASN1_object_size(0, i, V_ASN1_OBJECT);
376	0	if (j < 0)
377	0	return NULL;
378
379	0	if ((buf = OPENSSL_malloc(j)) == NULL) {
380	0	OBJerr(OBJ_F_OBJ_TXT2OBJ, ERR_R_MALLOC_FAILURE);
381	0	return NULL;
382	0	}
383
384	0	p = buf;
385		/* Write out tag+length */
386	0	ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
387		/* Write out contents */
388	0	a2d_ASN1_OBJECT(p, i, s, -1);
389
390	0	cp = buf;
391	0	op = d2i_ASN1_OBJECT(NULL, &cp, j);
392	0	OPENSSL_free(buf);
393	0	return op;
394	0	}
395
396		int OBJ_obj2txt(char buf, int buf_len, const ASN1_OBJECT a, int no_name)
397	0	{
398	0	int i, n = 0, len, nid, first, use_bn;
399	0	BIGNUM *bl;
400	0	unsigned long l;
401	0	const unsigned char *p;
402	0	char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];
403
404		/* Ensure that, at every state, \|buf\| is NUL-terminated. */
405	0	if (buf && buf_len > 0)
406	0	buf[0] = '\0';
407
408	0	if ((a == NULL) \|\| (a->data == NULL))
409	0	return 0;
410
411	0	if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
412	0	const char *s;
413	0	s = OBJ_nid2ln(nid);
414	0	if (s == NULL)
415	0	s = OBJ_nid2sn(nid);
416	0	if (s) {
417	0	if (buf)
418	0	OPENSSL_strlcpy(buf, s, buf_len);
419	0	n = strlen(s);
420	0	return n;
421	0	}
422	0	}
423
424	0	len = a->length;
425	0	p = a->data;
426
427	0	first = 1;
428	0	bl = NULL;
429
430	0	while (len > 0) {
431	0	l = 0;
432	0	use_bn = 0;
433	0	for (;;) {
434	0	unsigned char c = *p++;
435	0	len--;
436	0	if ((len == 0) && (c & 0x80))
437	0	goto err;
438	0	if (use_bn) {
439	0	if (!BN_add_word(bl, c & 0x7f))
440	0	goto err;
441	0	} else
442	0	l \|= c & 0x7f;
443	0	if (!(c & 0x80))
444	0	break;
445	0	if (!use_bn && (l > (ULONG_MAX >> 7L))) {
446	0	if (bl == NULL && (bl = BN_new()) == NULL)
447	0	goto err;
448	0	if (!BN_set_word(bl, l))
449	0	goto err;
450	0	use_bn = 1;
451	0	}
452	0	if (use_bn) {
453	0	if (!BN_lshift(bl, bl, 7))
454	0	goto err;
455	0	} else
456	0	l <<= 7L;
457	0	}
458
459	0	if (first) {
460	0	first = 0;
461	0	if (l >= 80) {
462	0	i = 2;
463	0	if (use_bn) {
464	0	if (!BN_sub_word(bl, 80))
465	0	goto err;
466	0	} else
467	0	l -= 80;
468	0	} else {
469	0	i = (int)(l / 40);
470	0	l -= (long)(i * 40);
471	0	}
472	0	if (buf && (buf_len > 1)) {
473	0	*buf++ = i + '0';
474	0	*buf = '\0';
475	0	buf_len--;
476	0	}
477	0	n++;
478	0	}
479
480	0	if (use_bn) {
481	0	char *bndec;
482	0	bndec = BN_bn2dec(bl);
483	0	if (!bndec)
484	0	goto err;
485	0	i = strlen(bndec);
486	0	if (buf) {
487	0	if (buf_len > 1) {
488	0	*buf++ = '.';
489	0	*buf = '\0';
490	0	buf_len--;
491	0	}
492	0	OPENSSL_strlcpy(buf, bndec, buf_len);
493	0	if (i > buf_len) {
494	0	buf += buf_len;
495	0	buf_len = 0;
496	0	} else {
497	0	buf += i;
498	0	buf_len -= i;
499	0	}
500	0	}
501	0	n++;
502	0	n += i;
503	0	OPENSSL_free(bndec);
504	0	} else {
505	0	BIO_snprintf(tbuf, sizeof(tbuf), ".%lu", l);
506	0	i = strlen(tbuf);
507	0	if (buf && (buf_len > 0)) {
508	0	OPENSSL_strlcpy(buf, tbuf, buf_len);
509	0	if (i > buf_len) {
510	0	buf += buf_len;
511	0	buf_len = 0;
512	0	} else {
513	0	buf += i;
514	0	buf_len -= i;
515	0	}
516	0	}
517	0	n += i;
518	0	l = 0;
519	0	}
520	0	}
521
522	0	BN_free(bl);
523	0	return n;
524
525	0	err:
526	0	BN_free(bl);
527	0	return -1;
528	0	}
529
530		int OBJ_txt2nid(const char *s)
531	0	{
532	0	ASN1_OBJECT *obj;
533	0	int nid;
534	0	obj = OBJ_txt2obj(s, 0);
535	0	nid = OBJ_obj2nid(obj);
536	0	ASN1_OBJECT_free(obj);
537	0	return nid;
538	0	}
539
540		int OBJ_ln2nid(const char *s)
541	0	{
542	0	ASN1_OBJECT o;
543	0	const ASN1_OBJECT *oo = &o;
544	0	ADDED_OBJ ad, *adp;
545	0	const unsigned int *op;
546
547	0	o.ln = s;
548	0	if (added != NULL) {
549	0	ad.type = ADDED_LNAME;
550	0	ad.obj = &o;
551	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
552	0	if (adp != NULL)
553	0	return adp->obj->nid;
554	0	}
555	0	op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
556	0	if (op == NULL)
557	0	return NID_undef;
558	0	return nid_objs[*op].nid;
559	0	}
560
561		int OBJ_sn2nid(const char *s)
562	0	{
563	0	ASN1_OBJECT o;
564	0	const ASN1_OBJECT *oo = &o;
565	0	ADDED_OBJ ad, *adp;
566	0	const unsigned int *op;
567
568	0	o.sn = s;
569	0	if (added != NULL) {
570	0	ad.type = ADDED_SNAME;
571	0	ad.obj = &o;
572	0	adp = lh_ADDED_OBJ_retrieve(added, &ad);
573	0	if (adp != NULL)
574	0	return adp->obj->nid;
575	0	}
576	0	op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
577	0	if (op == NULL)
578	0	return NID_undef;
579	0	return nid_objs[*op].nid;
580	0	}
581
582		const void OBJ_bsearch_(const void key, const void *base, int num, int size,
583		int (cmp) (const void , const void *))
584	128k	{
585	128k	return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
586	128k	}
587
588		const void OBJ_bsearch_ex_(const void key, const void *base_, int num,
589		int size,
590		int (cmp) (const void , const void *),
591		int flags)
592	128k	{
593	128k	const char *base = base_;
594	128k	int l, h, i = 0, c = 0;
595	128k	const char *p = NULL;
596
597	128k	if (num == 0)
598	0	return NULL;
599	128k	l = 0;
600	128k	h = num;
601	515k	while (l < h) {
602	515k	i = (l + h) / 2;
603	515k	p = &(base[i * size]);
604	515k	c = (*cmp) (key, p);
605	515k	if (c < 0)
606	257k	h = i;
607	257k	else if (c > 0)
608	128k	l = i + 1;
609	128k	else
610	128k	break;
611	515k	}
612		#ifdef CHARSET_EBCDIC
613		/*
614		* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and I
615		* don't have perl (yet), we revert to a LINEAR search when the object
616		* wasn't found in the binary search.
617		*/
618		if (c != 0) {
619		for (i = 0; i < num; ++i) {
620		p = &(base[i * size]);
621		c = (*cmp) (key, p);
622		if (c == 0 \|\| (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
623		return p;
624		}
625		}
626		#endif
627	128k	if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
628	0	p = NULL;
629	128k	else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH)) {
630	0	while (i > 0 && (cmp) (key, &(base[(i - 1) size])) == 0)
631	0	i--;
632	0	p = &(base[i * size]);
633	0	}
634	128k	return p;
635	128k	}
636
637		/*
638		* Parse a BIO sink to create some extra oid's objects.
639		* Line format:<OID:isdigit or '.']><isspace><SN><isspace><LN>
640		*/
641		int OBJ_create_objects(BIO *in)
642	0	{
643	0	char buf[512];
644	0	int i, num = 0;
645	0	char o, s, *l = NULL;
646
647	0	for (;;) {
648	0	s = o = NULL;
649	0	i = BIO_gets(in, buf, 512);
650	0	if (i <= 0)
651	0	return num;
652	0	buf[i - 1] = '\0';
653	0	if (!ossl_isalnum(buf[0]))
654	0	return num;
655	0	o = s = buf;
656	0	while (ossl_isdigit(s) \|\| s == '.')
657	0	s++;
658	0	if (*s != '\0') {
659	0	*(s++) = '\0';
660	0	while (ossl_isspace(*s))
661	0	s++;
662	0	if (*s == '\0') {
663	0	s = NULL;
664	0	} else {
665	0	l = s;
666	0	while (l != '\0' && !ossl_isspace(l))
667	0	l++;
668	0	if (*l != '\0') {
669	0	*(l++) = '\0';
670	0	while (ossl_isspace(*l))
671	0	l++;
672	0	if (*l == '\0') {
673	0	l = NULL;
674	0	}
675	0	} else {
676	0	l = NULL;
677	0	}
678	0	}
679	0	} else {
680	0	s = NULL;
681	0	}
682	0	if (*o == '\0')
683	0	return num;
684	0	if (!OBJ_create(o, s, l))
685	0	return num;
686	0	num++;
687	0	}
688	0	}
689
690		int OBJ_create(const char oid, const char sn, const char *ln)
691	0	{
692	0	ASN1_OBJECT *tmpoid = NULL;
693	0	int ok = 0;
694
695		/* Check to see if short or long name already present */
696	0	if ((sn != NULL && OBJ_sn2nid(sn) != NID_undef)
697	0	\|\| (ln != NULL && OBJ_ln2nid(ln) != NID_undef)) {
698	0	OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
699	0	return 0;
700	0	}
701
702		/* Convert numerical OID string to an ASN1_OBJECT structure */
703	0	tmpoid = OBJ_txt2obj(oid, 1);
704	0	if (tmpoid == NULL)
705	0	return 0;
706
707		/* If NID is not NID_undef then object already exists */
708	0	if (OBJ_obj2nid(tmpoid) != NID_undef) {
709	0	OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
710	0	goto err;
711	0	}
712
713	0	tmpoid->nid = OBJ_new_nid(1);
714	0	tmpoid->sn = (char *)sn;
715	0	tmpoid->ln = (char *)ln;
716
717	0	ok = OBJ_add_object(tmpoid);
718
719	0	tmpoid->sn = NULL;
720	0	tmpoid->ln = NULL;
721
722	0	err:
723	0	ASN1_OBJECT_free(tmpoid);
724	0	return ok;
725	0	}
726
727		size_t OBJ_length(const ASN1_OBJECT *obj)
728	0	{
729	0	if (obj == NULL)
730	0	return 0;
731	0	return obj->length;
732	0	}
733
734		const unsigned char OBJ_get0_data(const ASN1_OBJECT obj)
735	0	{
736	0	if (obj == NULL)
737	0	return NULL;
738	0	return obj->data;
739	0	}