Resolve signed vs. unsigned issues
[openssl.git] / ssl / ssl_asn1.c
index 1ff31d440239f41fb0e86b589efca489fe707a58..3c2e9fae7e5b3dc3c857a438cb66646fe2fec341 100644 (file)
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -80,13 +106,20 @@ typedef struct ssl_session_asn1_st
        ASN1_INTEGER verify_result;
 #ifndef OPENSSL_NO_TLSEXT
        ASN1_OCTET_STRING tlsext_hostname;
+#ifndef OPENSSL_NO_EC
+       ASN1_OCTET_STRING tlsext_ecpointformatlist;
+#endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+       ASN1_OCTET_STRING psk_identity_hint;
+       ASN1_OCTET_STRING psk_identity;
+#endif /* OPENSSL_NO_PSK */
        } SSL_SESSION_ASN1;
 
 int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
        {
 #define LSIZE2 (sizeof(long)*2)
-       int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0;
+       int v1=0,v2=0,v3=0,v4=0,v5=0,v6=0,v7=0,v8=0,v9=0;
        unsigned char buf[4],ibuf1[LSIZE2],ibuf2[LSIZE2];
        unsigned char ibuf3[LSIZE2],ibuf4[LSIZE2],ibuf5[LSIZE2];
        long l;
@@ -156,7 +189,7 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
                a.krb5_princ.data=in->krb5_client_princ;
                }
 #endif /* OPENSSL_NO_KRB5 */
+
        if (in->time != 0L)
                {
                a.time.length=LSIZE2;
@@ -188,7 +221,35 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
                 a.tlsext_hostname.type=V_ASN1_OCTET_STRING;
                 a.tlsext_hostname.data=(unsigned char *)in->tlsext_hostname;
                 }                
+#ifndef OPENSSL_NO_EC
+       if (in->tlsext_ecpointformatlist)
+               {
+               a.tlsext_ecpointformatlist.length=1+in->tlsext_ecpointformatlist_length;
+               a.tlsext_ecpointformatlist.type=V_ASN1_OCTET_STRING;
+               if ((a.tlsext_ecpointformatlist.data = OPENSSL_malloc(1+in->tlsext_ecpointformatlist_length)) == NULL)
+                       {
+                       SSLerr(SSL_F_I2D_SSL_SESSION,ERR_R_MALLOC_FAILURE);
+                       return(0);
+                       }
+               *a.tlsext_ecpointformatlist.data = (unsigned char) in->tlsext_ecpointformatlist_length;
+               memcpy(a.tlsext_ecpointformatlist.data+1, in->tlsext_ecpointformatlist, in->tlsext_ecpointformatlist_length);
+               }
+#endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+       if (in->psk_identity_hint)
+               {
+               a.psk_identity_hint.length=strlen(in->psk_identity_hint);
+               a.psk_identity_hint.type=V_ASN1_OCTET_STRING;
+               a.psk_identity_hint.data=(unsigned char *)(in->psk_identity_hint);
+               }
+       if (in->psk_identity)
+               {
+               a.psk_identity.length=strlen(in->psk_identity);
+               a.psk_identity.type=V_ASN1_OCTET_STRING;
+               a.psk_identity.data=(unsigned char *)(in->psk_identity);
+               }
+#endif /* OPENSSL_NO_PSK */
 
        M_ASN1_I2D_len(&(a.version),            i2d_ASN1_INTEGER);
        M_ASN1_I2D_len(&(a.ssl_version),        i2d_ASN1_INTEGER);
@@ -214,7 +275,18 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
 #ifndef OPENSSL_NO_TLSEXT
        if (in->tlsext_hostname)
                M_ASN1_I2D_len_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
+#ifndef OPENSSL_NO_EC
+       if (in->tlsext_ecpointformatlist)
+               M_ASN1_I2D_len_EXP_opt(&(a.tlsext_ecpointformatlist), i2d_ASN1_OCTET_STRING,7,v7);
+#endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+       if (in->psk_identity_hint)
+               M_ASN1_I2D_len_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,8,v8);
+       if (in->psk_identity)
+               M_ASN1_I2D_len_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,9,v9);
+#endif /* OPENSSL_NO_PSK */
+
        M_ASN1_I2D_seq_total();
 
        M_ASN1_I2D_put(&(a.version),            i2d_ASN1_INTEGER);
@@ -241,8 +313,23 @@ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp)
 #ifndef OPENSSL_NO_TLSEXT
        if (in->tlsext_hostname)
                M_ASN1_I2D_put_EXP_opt(&(a.tlsext_hostname), i2d_ASN1_OCTET_STRING,6,v6);
+#ifndef OPENSSL_NO_EC
+       if (in->tlsext_ecpointformatlist)
+               M_ASN1_I2D_put_EXP_opt(&(a.tlsext_ecpointformatlist), i2d_ASN1_OCTET_STRING,7,v7);
+#endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
+#ifndef OPENSSL_NO_PSK
+       if (in->psk_identity_hint)
+               M_ASN1_I2D_put_EXP_opt(&(a.psk_identity_hint), i2d_ASN1_OCTET_STRING,8,v8);
+       if (in->psk_identity)
+               M_ASN1_I2D_put_EXP_opt(&(a.psk_identity), i2d_ASN1_OCTET_STRING,9,v9);
+#endif /* OPENSSL_NO_PSK */
        M_ASN1_I2D_finish();
+#ifndef OPENSSL_NO_TLSEXT
+#ifndef OPENSSL_NO_EC
+       OPENSSL_free(a.tlsext_ecpointformatlist.data);
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_NO_TLSEXT */
        }
 
 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
@@ -427,7 +514,61 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
        else
                ret->tlsext_hostname=NULL;
 
+#ifndef OPENSSL_NO_EC
+       os.length=0;
+       os.data=NULL;
+       M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,7);
+       if (os.data)
+               {
+               if ((ret->tlsext_ecpointformatlist = OPENSSL_malloc(os.length - 1)) == NULL)
+                       {
+                       SSLerr(SSL_F_D2I_SSL_SESSION,ERR_R_MALLOC_FAILURE);
+                       }
+               else
+                       {
+                       ret->tlsext_ecpointformatlist_length = os.length - 1;
+                       memcpy(ret->tlsext_ecpointformatlist, (unsigned char *) os.data + 1, os.length - 1);
+                       }
+               OPENSSL_free(os.data);
+               os.data = NULL;
+               os.length = 0;
+               }
+       else
+               {
+               ret->tlsext_ecpointformatlist=NULL;
+               ret->tlsext_ecpointformatlist_length=0;
+               }
+
+#endif /* OPENSSL_NO_EC */
 #endif /* OPENSSL_NO_TLSEXT */
 
+#ifndef OPENSSL_NO_PSK
+       os.length=0;
+       os.data=NULL;
+       M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,8);
+       if (os.data)
+               {
+               ret->psk_identity_hint = BUF_strndup((char *)os.data, os.length);
+               OPENSSL_free(os.data);
+               os.data = NULL;
+               os.length = 0;
+               }
+       else
+               ret->psk_identity_hint=NULL;
+
+       os.length=0;
+       os.data=NULL;
+       M_ASN1_D2I_get_EXP_opt(osp,d2i_ASN1_OCTET_STRING,9);
+       if (os.data)
+               {
+               ret->psk_identity = BUF_strndup((char *)os.data, os.length);
+               OPENSSL_free(os.data);
+               os.data = NULL;
+               os.length = 0;
+               }
+       else
+               ret->psk_identity=NULL;
+#endif /* OPENSSL_NO_KRB5 */
+
        M_ASN1_D2I_Finish(a,SSL_SESSION_free,SSL_F_D2I_SSL_SESSION);
        }