Import of old SSLeay release: SSLeay 0.8.1b
diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
new file mode 100644
index 0000000..873497a
--- /dev/null
+++ b/ssl/ssl_asn1.c
@@ -0,0 +1,313 @@
+/* ssl/ssl_asn1.c */
+/* Copyright (C) 1995-1997 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 <stdlib.h>
+#include "asn1_mac.h"
+#include "objects.h"
+#include "ssl_locl.h"
+
+typedef struct ssl_session_asn1_st
+ {
+ ASN1_INTEGER version;
+ ASN1_INTEGER ssl_version;
+ ASN1_OCTET_STRING cipher;
+ ASN1_OCTET_STRING master_key;
+ ASN1_OCTET_STRING session_id;
+ ASN1_OCTET_STRING key_arg;
+ ASN1_INTEGER time;
+ ASN1_INTEGER timeout;
+ } SSL_SESSION_ASN1;
+
+/*
+ * SSLerr(SSL_F_I2D_SSL_SESSION,SSL_R_CIPHER_CODE_WRONG_LENGTH);
+ * SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNSUPPORTED_CIPHER);
+ */
+
+int i2d_SSL_SESSION(in,pp)
+SSL_SESSION *in;
+unsigned char **pp;
+ {
+#define LSIZE2 (sizeof(long)*2)
+ int v1=0,v2=0,v3=0;
+ unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
+ unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2];
+ long l;
+ SSL_SESSION_ASN1 a;
+ M_ASN1_I2D_vars(in);
+
+ if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
+ return(0);
+
+ /* Note that I cheat in the following 2 assignments. I know
+ * that if the ASN1_INTERGER passed to ASN1_INTEGER_set
+ * is > sizeof(long)+1, the buffer will not be re-Malloc()ed.
+ * This is a bit evil but makes things simple, no dynamic allocation
+ * to clean up :-) */
+ a.version.length=LSIZE2;
+ a.version.type=V_ASN1_INTEGER;
+ a.version.data=ibuf1;
+ ASN1_INTEGER_set(&(a.version),SSL_SESSION_ASN1_VERSION);
+
+ a.ssl_version.length=LSIZE2;
+ a.ssl_version.type=V_ASN1_INTEGER;
+ a.ssl_version.data=ibuf2;
+ ASN1_INTEGER_set(&(a.ssl_version),in->ssl_version);
+
+ a.cipher.type=V_ASN1_OCTET_STRING;
+ a.cipher.data=buf;
+
+ if (in->cipher == NULL)
+ l=in->cipher_id;
+ else
+ l=in->cipher->id;
+ if (in->ssl_version == 2)
+ {
+ a.cipher.length=3;
+ buf[0]=((unsigned char)(l>>16L))&0xff;
+ buf[1]=((unsigned char)(l>> 8L))&0xff;
+ buf[2]=((unsigned char)(l ))&0xff;
+ }
+ else
+ {
+ a.cipher.length=2;
+ buf[0]=((unsigned char)(l>>8L))&0xff;
+ buf[1]=((unsigned char)(l ))&0xff;
+ }
+
+ a.master_key.length=in->master_key_length;
+ a.master_key.type=V_ASN1_OCTET_STRING;
+ a.master_key.data=in->master_key;
+
+ a.session_id.length=in->session_id_length;
+ a.session_id.type=V_ASN1_OCTET_STRING;
+ a.session_id.data=in->session_id;
+
+ a.key_arg.length=in->key_arg_length;
+ a.key_arg.type=V_ASN1_OCTET_STRING;
+ a.key_arg.data=in->key_arg;
+
+ if (in->time != 0L)
+ {
+ a.time.length=LSIZE2;
+ a.time.type=V_ASN1_INTEGER;
+ a.time.data=ibuf3;
+ ASN1_INTEGER_set(&(a.time),in->time);
+ }
+
+ if (in->timeout != 0L)
+ {
+ a.timeout.length=LSIZE2;
+ a.timeout.type=V_ASN1_INTEGER;
+ a.timeout.data=ibuf4;
+ ASN1_INTEGER_set(&(a.timeout),in->timeout);
+ }
+
+ M_ASN1_I2D_len(&(a.version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_len(&(a.ssl_version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_len(&(a.cipher), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_len(&(a.session_id), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_len(&(a.master_key), i2d_ASN1_OCTET_STRING);
+ if (in->key_arg_length > 0)
+ M_ASN1_I2D_len_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING);
+ if (in->time != 0L)
+ M_ASN1_I2D_len_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+ if (in->timeout != 0L)
+ M_ASN1_I2D_len_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+ if (in->peer != NULL)
+ M_ASN1_I2D_len_EXP_opt(in->peer,i2d_X509,3,v3);
+
+ M_ASN1_I2D_seq_total();
+
+ M_ASN1_I2D_put(&(a.version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_put(&(a.ssl_version), i2d_ASN1_INTEGER);
+ M_ASN1_I2D_put(&(a.cipher), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_put(&(a.session_id), i2d_ASN1_OCTET_STRING);
+ M_ASN1_I2D_put(&(a.master_key), i2d_ASN1_OCTET_STRING);
+ if (in->key_arg_length > 0)
+ M_ASN1_I2D_put_IMP_opt(&(a.key_arg),i2d_ASN1_OCTET_STRING,0);
+ if (in->time != 0L)
+ M_ASN1_I2D_put_EXP_opt(&(a.time),i2d_ASN1_INTEGER,1,v1);
+ if (in->timeout != 0L)
+ M_ASN1_I2D_put_EXP_opt(&(a.timeout),i2d_ASN1_INTEGER,2,v2);
+ if (in->peer != NULL)
+ M_ASN1_I2D_put_EXP_opt(in->peer,i2d_X509,3,v3);
+
+ M_ASN1_I2D_finish();
+ }
+
+SSL_SESSION *d2i_SSL_SESSION(a,pp,length)
+SSL_SESSION **a;
+unsigned char **pp;
+long length;
+ {
+ int version,ssl_version=0,i;
+ long id;
+ ASN1_INTEGER ai,*aip;
+ ASN1_OCTET_STRING os,*osp;
+ M_ASN1_D2I_vars(a,SSL_SESSION *,SSL_SESSION_new);
+
+ aip= &ai;
+ osp= &os;
+
+ M_ASN1_D2I_Init();
+ M_ASN1_D2I_start_sequence();
+
+ ai.data=NULL; ai.length=0;
+ M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
+ version=(int)ASN1_INTEGER_get(aip);
+ if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
+
+ /* we don't care about the version right now :-) */
+ M_ASN1_D2I_get(aip,d2i_ASN1_INTEGER);
+ ssl_version=(int)ASN1_INTEGER_get(aip);
+ ret->ssl_version=ssl_version;
+ if (ai.data != NULL) { Free(ai.data); ai.data=NULL; ai.length=0; }
+
+ os.data=NULL; os.length=0;
+ M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
+ if (ssl_version == 2)
+ {
+ if (os.length != 3)
+ {
+ c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+ goto err;
+ }
+ id=0x02000000L|
+ ((unsigned long)os.data[0]<<16L)|
+ ((unsigned long)os.data[1]<< 8L)|
+ (unsigned long)os.data[2];
+ }
+ else if (ssl_version == 3)
+ {
+ if (os.length != 2)
+ {
+ c.error=SSL_R_CIPHER_CODE_WRONG_LENGTH;
+ goto err;
+ }
+ id=0x03000000L|
+ ((unsigned long)os.data[0]<<8L)|
+ (unsigned long)os.data[1];
+ }
+ else
+ {
+ SSLerr(SSL_F_D2I_SSL_SESSION,SSL_R_UNKNOWN_SSL_VERSION);
+ return(NULL);
+ }
+
+ ret->cipher=NULL;
+ ret->cipher_id=id;
+
+ M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
+ if (ssl_version == 3)
+ i=SSL3_MAX_SSL_SESSION_ID_LENGTH;
+ else /* if (ssl_version == 2) */
+ i=SSL2_MAX_SSL_SESSION_ID_LENGTH;
+
+ if (os.length > i)
+ os.length=i;
+
+ ret->session_id_length=os.length;
+ memcpy(ret->session_id,os.data,os.length);
+
+ M_ASN1_D2I_get(osp,d2i_ASN1_OCTET_STRING);
+ if (ret->master_key_length > SSL_MAX_MASTER_KEY_LENGTH)
+ ret->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
+ else
+ ret->master_key_length=os.length;
+ memcpy(ret->master_key,os.data,ret->master_key_length);
+
+ os.length=0;
+ M_ASN1_D2I_get_IMP_opt(osp,d2i_ASN1_OCTET_STRING,0,V_ASN1_OCTET_STRING);
+ if (os.length > SSL_MAX_KEY_ARG_LENGTH)
+ ret->key_arg_length=SSL_MAX_KEY_ARG_LENGTH;
+ else
+ ret->key_arg_length=os.length;
+ memcpy(ret->key_arg,os.data,ret->key_arg_length);
+ if (os.data != NULL) Free(os.data);
+
+ ai.length=0;
+ M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,1);
+ if (ai.data != NULL)
+ {
+ ret->time=ASN1_INTEGER_get(aip);
+ Free(ai.data); ai.data=NULL; ai.length=0;
+ }
+ else
+ ret->time=time(NULL);
+
+ ai.length=0;
+ M_ASN1_D2I_get_EXP_opt(aip,d2i_ASN1_INTEGER,2);
+ if (ai.data != NULL)
+ {
+ ret->timeout=ASN1_INTEGER_get(aip);
+ Free(ai.data); ai.data=NULL; ai.length=0;
+ }
+ else
+ ret->timeout=3;
+
+ if (ret->peer != NULL)
+ {
+ X509_free(ret->peer);
+ ret->peer=NULL;
+ }
+ M_ASN1_D2I_get_EXP_opt(ret->peer,d2i_X509,3);
+
+ M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
+ }
+
