Import openssl from FreeBSD.

1 files changed, 408 insertions, 0 deletions

diff --git a/freebsd/crypto/openssl/crypto/asn1/a_object.c b/freebsd/crypto/openssl/crypto/asn1/a_object.c
new file mode 100644
index 00000000..ce6b9d34
--- /dev/null
+++ b/freebsd/crypto/openssl/crypto/asn1/a_object.c
@@ -0,0 +1,408 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/* crypto/asn1/a_object.c */
+/* 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 <stdio.h>
+#include <limits.h>
+#include "cryptlib.h"
+#include <openssl/buffer.h>
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/bn.h>
+
+int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp)
+{
+    unsigned char *p;
+    int objsize;
+
+    if ((a == NULL) || (a->data == NULL))
+        return (0);
+
+    objsize = ASN1_object_size(0, a->length, V_ASN1_OBJECT);
+    if (pp == NULL || objsize == -1)
+        return objsize;
+
+    p = *pp;
+    ASN1_put_object(&p, 0, a->length, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
+    memcpy(p, a->data, a->length);
+    p += a->length;
+
+    *pp = p;
+    return (objsize);
+}
+
+int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num)
+{
+    int i, first, len = 0, c, use_bn;
+    char ftmp[24], *tmp = ftmp;
+    int tmpsize = sizeof ftmp;
+    const char *p;
+    unsigned long l;
+    BIGNUM *bl = NULL;
+
+    if (num == 0)
+        return (0);
+    else if (num == -1)
+        num = strlen(buf);
+
+    p = buf;
+    c = *(p++);
+    num--;
+    if ((c >= '0') && (c <= '2')) {
+        first = c - '0';
+    } else {
+        ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_FIRST_NUM_TOO_LARGE);
+        goto err;
+    }
+
+    if (num <= 0) {
+        ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_MISSING_SECOND_NUMBER);
+        goto err;
+    }
+    c = *(p++);
+    num--;
+    for (;;) {
+        if (num <= 0)
+            break;
+        if ((c != '.') && (c != ' ')) {
+            ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_INVALID_SEPARATOR);
+            goto err;
+        }
+        l = 0;
+        use_bn = 0;
+        for (;;) {
+            if (num <= 0)
+                break;
+            num--;
+            c = *(p++);
+            if ((c == ' ') || (c == '.'))
+                break;
+            if ((c < '0') || (c > '9')) {
+                ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_INVALID_DIGIT);
+                goto err;
+            }
+            if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) {
+                use_bn = 1;
+                if (!bl)
+                    bl = BN_new();
+                if (!bl || !BN_set_word(bl, l))
+                    goto err;
+            }
+            if (use_bn) {
+                if (!BN_mul_word(bl, 10L)
+                    || !BN_add_word(bl, c - '0'))
+                    goto err;
+            } else
+                l = l * 10L + (long)(c - '0');
+        }
+        if (len == 0) {
+            if ((first < 2) && (l >= 40)) {
+                ASN1err(ASN1_F_A2D_ASN1_OBJECT,
+                        ASN1_R_SECOND_NUMBER_TOO_LARGE);
+                goto err;
+            }
+            if (use_bn) {
+                if (!BN_add_word(bl, first * 40))
+                    goto err;
+            } else
+                l += (long)first *40;
+        }
+        i = 0;
+        if (use_bn) {
+            int blsize;
+            blsize = BN_num_bits(bl);
+            blsize = (blsize + 6) / 7;
+            if (blsize > tmpsize) {
+                if (tmp != ftmp)
+                    OPENSSL_free(tmp);
+                tmpsize = blsize + 32;
+                tmp = OPENSSL_malloc(tmpsize);
+                if (!tmp)
+                    goto err;
+            }
+            while (blsize--) {
+                BN_ULONG t = BN_div_word(bl, 0x80L);
+                if (t == (BN_ULONG)-1)
+                    goto err;
+                tmp[i++] = (unsigned char)t;
+            }
+        } else {
+
+            for (;;) {
+                tmp[i++] = (unsigned char)l & 0x7f;
+                l >>= 7L;
+                if (l == 0L)
+                    break;
+            }
+
+        }
+        if (out != NULL) {
+            if (len + i > olen) {
+                ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_BUFFER_TOO_SMALL);
+                goto err;
+            }
+            while (--i > 0)
+                out[len++] = tmp[i] | 0x80;
+            out[len++] = tmp[0];
+        } else
+            len += i;
+    }
+    if (tmp != ftmp)
+        OPENSSL_free(tmp);
+    if (bl)
+        BN_free(bl);
+    return (len);
+ err:
+    if (tmp != ftmp)
+        OPENSSL_free(tmp);
+    if (bl)
+        BN_free(bl);
+    return (0);
+}
+
+int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)
+{
+    return OBJ_obj2txt(buf, buf_len, a, 0);
+}
+
+int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a)
+{
+    char buf[80], *p = buf;
+    int i;
+
+    if ((a == NULL) || (a->data == NULL))
+        return (BIO_write(bp, "NULL", 4));
+    i = i2t_ASN1_OBJECT(buf, sizeof buf, a);
+    if (i > (int)(sizeof(buf) - 1)) {
+        p = OPENSSL_malloc(i + 1);
+        if (!p)
+            return -1;
+        i2t_ASN1_OBJECT(p, i + 1, a);
+    }
+    if (i <= 0)
+        return BIO_write(bp, "<INVALID>", 9);
+    BIO_write(bp, p, i);
+    if (p != buf)
+        OPENSSL_free(p);
+    return (i);
+}
+
+ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
+                             long length)
+{
+    const unsigned char *p;
+    long len;
+    int tag, xclass;
+    int inf, i;
+    ASN1_OBJECT *ret = NULL;
+    p = *pp;
+    inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+    if (inf & 0x80) {
+        i = ASN1_R_BAD_OBJECT_HEADER;
+        goto err;
+    }
+
+    if (tag != V_ASN1_OBJECT) {
+        i = ASN1_R_EXPECTING_AN_OBJECT;
+        goto err;
+    }
+    ret = c2i_ASN1_OBJECT(a, &p, len);
+    if (ret)
+        *pp = p;
+    return ret;
+ err:
+    ASN1err(ASN1_F_D2I_ASN1_OBJECT, i);
+    return (NULL);
+}
+
+ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
+                             long len)
+{
+    ASN1_OBJECT *ret = NULL;
+    const unsigned char *p;
+    unsigned char *data;
+    int i, length;
+
+    /*
+     * Sanity check OID encoding. Need at least one content octet. MSB must
+     * be clear in the last octet. can't have leading 0x80 in subidentifiers,
+     * see: X.690 8.19.2
+     */
+    if (len <= 0 || len > INT_MAX || pp == NULL || (p = *pp) == NULL ||
+        p[len - 1] & 0x80) {
+        ASN1err(ASN1_F_C2I_ASN1_OBJECT, ASN1_R_INVALID_OBJECT_ENCODING);
+        return NULL;
+    }
+    /* Now 0 < len <= INT_MAX, so the cast is safe. */
+    length = (int)len;
+    for (i = 0; i < length; i++, p++) {
+        if (*p == 0x80 && (!i || !(p[-1] & 0x80))) {
+            ASN1err(ASN1_F_C2I_ASN1_OBJECT, ASN1_R_INVALID_OBJECT_ENCODING);
+            return NULL;
+        }
+    }
+
+    /*
+     * only the ASN1_OBJECTs from the 'table' will have values for ->sn or
+     * ->ln
+     */
+    if ((a == NULL) || ((*a) == NULL) ||
+        !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC)) {
+        if ((ret = ASN1_OBJECT_new()) == NULL)
+            return (NULL);
+    } else
+        ret = (*a);
+
+    p = *pp;
+    /* detach data from object */
+    data = (unsigned char *)ret->data;
+    ret->data = NULL;
+    /* once detached we can change it */
+    if ((data == NULL) || (ret->length < length)) {
+        ret->length = 0;
+        if (data != NULL)
+            OPENSSL_free(data);
+        data = (unsigned char *)OPENSSL_malloc(length);
+        if (data == NULL) {
+            i = ERR_R_MALLOC_FAILURE;
+            goto err;
+        }
+        ret->flags |= ASN1_OBJECT_FLAG_DYNAMIC_DATA;
+    }
+    memcpy(data, p, length);
+    /* reattach data to object, after which it remains const */
+    ret->data = data;
+    ret->length = length;
+    ret->sn = NULL;
+    ret->ln = NULL;
+    /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */
+    p += length;
+
+    if (a != NULL)
+        (*a) = ret;
+    *pp = p;
+    return (ret);
+ err:
+    ASN1err(ASN1_F_C2I_ASN1_OBJECT, i);
+    if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+        ASN1_OBJECT_free(ret);
+    return (NULL);
+}
+
+ASN1_OBJECT *ASN1_OBJECT_new(void)
+{
+    ASN1_OBJECT *ret;
+
+    ret = (ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT));
+    if (ret == NULL) {
+        ASN1err(ASN1_F_ASN1_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
+        return (NULL);
+    }
+    ret->length = 0;
+    ret->data = NULL;
+    ret->nid = 0;
+    ret->sn = NULL;
+    ret->ln = NULL;
+    ret->flags = ASN1_OBJECT_FLAG_DYNAMIC;
+    return (ret);
+}
+
+void ASN1_OBJECT_free(ASN1_OBJECT *a)
+{
+    if (a == NULL)
+        return;
+    if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) {
+#ifndef CONST_STRICT            /* disable purely for compile-time strict
+                                 * const checking. Doing this on a "real"
+                                 * compile will cause memory leaks */
+        if (a->sn != NULL)
+            OPENSSL_free((void *)a->sn);
+        if (a->ln != NULL)
+            OPENSSL_free((void *)a->ln);
+#endif
+        a->sn = a->ln = NULL;
+    }
+    if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) {
+        if (a->data != NULL)
+            OPENSSL_free((void *)a->data);
+        a->data = NULL;
+        a->length = 0;
+    }
+    if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC)
+        OPENSSL_free(a);
+}
+
+ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len,
+                                const char *sn, const char *ln)
+{
+    ASN1_OBJECT o;
+
+    o.sn = sn;
+    o.ln = ln;
+    o.data = data;
+    o.nid = nid;
+    o.length = len;
+    o.flags = ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
+        ASN1_OBJECT_FLAG_DYNAMIC_DATA;
+    return (OBJ_dup(&o));
+}
+
+IMPLEMENT_STACK_OF(ASN1_OBJECT)
+
+IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT)