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authorRémi Verschelde <rverschelde@gmail.com>2016-10-12 23:06:17 +0200
committerRémi Verschelde <rverschelde@gmail.com>2016-10-15 11:50:41 +0200
commit422196759f93df249db38619f136cabd5dcf42cd (patch)
tree1e5846507af0f8f1bc7ca294ccfb0d4ac3392d17 /thirdparty/openssl/crypto/asn1/a_bytes.c
parentd9a291f6411f2e571c181da0ac89f550ba73f681 (diff)
openssl: Move to a module and split thirdparty lib
Same rationale as the previous commits.
Diffstat (limited to 'thirdparty/openssl/crypto/asn1/a_bytes.c')
-rw-r--r--thirdparty/openssl/crypto/asn1/a_bytes.c306
1 files changed, 306 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/asn1/a_bytes.c b/thirdparty/openssl/crypto/asn1/a_bytes.c
new file mode 100644
index 0000000000..385b53986a
--- /dev/null
+++ b/thirdparty/openssl/crypto/asn1/a_bytes.c
@@ -0,0 +1,306 @@
+/* crypto/asn1/a_bytes.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 "cryptlib.h"
+#include <openssl/asn1.h>
+
+static int asn1_collate_primitive(ASN1_STRING *a, ASN1_const_CTX *c);
+/*
+ * type is a 'bitmap' of acceptable string types.
+ */
+ASN1_STRING *d2i_ASN1_type_bytes(ASN1_STRING **a, const unsigned char **pp,
+ long length, int type)
+{
+ ASN1_STRING *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ long len;
+ int inf, tag, xclass;
+ int i = 0;
+
+ p = *pp;
+ inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+ if (inf & 0x80)
+ goto err;
+
+ if (tag >= 32) {
+ i = ASN1_R_TAG_VALUE_TOO_HIGH;
+ goto err;
+ }
+ if (!(ASN1_tag2bit(tag) & type)) {
+ i = ASN1_R_WRONG_TYPE;
+ goto err;
+ }
+
+ /* If a bit-string, exit early */
+ if (tag == V_ASN1_BIT_STRING)
+ return (d2i_ASN1_BIT_STRING(a, pp, length));
+
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_STRING_new()) == NULL)
+ return (NULL);
+ } else
+ ret = (*a);
+
+ if (len != 0) {
+ s = (unsigned char *)OPENSSL_malloc((int)len + 1);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ memcpy(s, p, (int)len);
+ s[len] = '\0';
+ p += len;
+ } else
+ s = NULL;
+
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ ret->length = (int)len;
+ ret->data = s;
+ ret->type = tag;
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return (ret);
+ err:
+ ASN1err(ASN1_F_D2I_ASN1_TYPE_BYTES, i);
+ if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+ ASN1_STRING_free(ret);
+ return (NULL);
+}
+
+int i2d_ASN1_bytes(ASN1_STRING *a, unsigned char **pp, int tag, int xclass)
+{
+ int ret, r, constructed;
+ unsigned char *p;
+
+ if (a == NULL)
+ return (0);
+
+ if (tag == V_ASN1_BIT_STRING)
+ return (i2d_ASN1_BIT_STRING(a, pp));
+
+ ret = a->length;
+ r = ASN1_object_size(0, ret, tag);
+ if (pp == NULL)
+ return (r);
+ p = *pp;
+
+ if ((tag == V_ASN1_SEQUENCE) || (tag == V_ASN1_SET))
+ constructed = 1;
+ else
+ constructed = 0;
+ ASN1_put_object(&p, constructed, ret, tag, xclass);
+ memcpy(p, a->data, a->length);
+ p += a->length;
+ *pp = p;
+ return (r);
+}
+
+ASN1_STRING *d2i_ASN1_bytes(ASN1_STRING **a, const unsigned char **pp,
+ long length, int Ptag, int Pclass)
+{
+ ASN1_STRING *ret = NULL;
+ const unsigned char *p;
+ unsigned char *s;
+ long len;
+ int inf, tag, xclass;
+ int i = 0;
+
+ if ((a == NULL) || ((*a) == NULL)) {
+ if ((ret = ASN1_STRING_new()) == NULL)
+ return (NULL);
+ } else
+ ret = (*a);
+
+ p = *pp;
+ inf = ASN1_get_object(&p, &len, &tag, &xclass, length);
+ if (inf & 0x80) {
+ i = ASN1_R_BAD_OBJECT_HEADER;
+ goto err;
+ }
+
+ if (tag != Ptag) {
+ i = ASN1_R_WRONG_TAG;
+ goto err;
+ }
+
+ if (inf & V_ASN1_CONSTRUCTED) {
+ ASN1_const_CTX c;
+
+ c.pp = pp;
+ c.p = p;
+ c.inf = inf;
+ c.slen = len;
+ c.tag = Ptag;
+ c.xclass = Pclass;
+ c.max = (length == 0) ? 0 : (p + length);
+ if (!asn1_collate_primitive(ret, &c))
+ goto err;
+ else {
+ p = c.p;
+ }
+ } else {
+ if (len != 0) {
+ if ((ret->length < len) || (ret->data == NULL)) {
+ s = (unsigned char *)OPENSSL_malloc((int)len + 1);
+ if (s == NULL) {
+ i = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ } else
+ s = ret->data;
+ memcpy(s, p, (int)len);
+ s[len] = '\0';
+ p += len;
+ } else {
+ s = NULL;
+ if (ret->data != NULL)
+ OPENSSL_free(ret->data);
+ }
+
+ ret->length = (int)len;
+ ret->data = s;
+ ret->type = Ptag;
+ }
+
+ if (a != NULL)
+ (*a) = ret;
+ *pp = p;
+ return (ret);
+ err:
+ if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+ ASN1_STRING_free(ret);
+ ASN1err(ASN1_F_D2I_ASN1_BYTES, i);
+ return (NULL);
+}
+
+/*
+ * We are about to parse 0..n d2i_ASN1_bytes objects, we are to collapse them
+ * into the one structure that is then returned
+ */
+/*
+ * There have been a few bug fixes for this function from Paul Keogh
+ * <paul.keogh@sse.ie>, many thanks to him
+ */
+static int asn1_collate_primitive(ASN1_STRING *a, ASN1_const_CTX *c)
+{
+ ASN1_STRING *os = NULL;
+ BUF_MEM b;
+ int num;
+
+ b.length = 0;
+ b.max = 0;
+ b.data = NULL;
+
+ if (a == NULL) {
+ c->error = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ num = 0;
+ for (;;) {
+ if (c->inf & 1) {
+ c->eos = ASN1_const_check_infinite_end(&c->p,
+ (long)(c->max - c->p));
+ if (c->eos)
+ break;
+ } else {
+ if (c->slen <= 0)
+ break;
+ }
+
+ c->q = c->p;
+ if (d2i_ASN1_bytes(&os, &c->p, c->max - c->p, c->tag, c->xclass)
+ == NULL) {
+ c->error = ERR_R_ASN1_LIB;
+ goto err;
+ }
+
+ if (!BUF_MEM_grow_clean(&b, num + os->length)) {
+ c->error = ERR_R_BUF_LIB;
+ goto err;
+ }
+ memcpy(&(b.data[num]), os->data, os->length);
+ if (!(c->inf & 1))
+ c->slen -= (c->p - c->q);
+ num += os->length;
+ }
+
+ if (!asn1_const_Finish(c))
+ goto err;
+
+ a->length = num;
+ if (a->data != NULL)
+ OPENSSL_free(a->data);
+ a->data = (unsigned char *)b.data;
+ if (os != NULL)
+ ASN1_STRING_free(os);
+ return (1);
+ err:
+ ASN1err(ASN1_F_ASN1_COLLATE_PRIMITIVE, c->error);
+ if (os != NULL)
+ ASN1_STRING_free(os);
+ if (b.data != NULL)
+ OPENSSL_free(b.data);
+ return (0);
+}