From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Thu, 18 Apr 2002 18:41:30 +0000 (+0000)
Subject: Added function to report if a session is a resumed one. See gnutls_session_resumed().
X-Git-Tag: gnutls_0_4_2~46
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=673ea698ecd37c1b8b0482875dda0ce276b0c052;p=thirdparty%2Fgnutls.git

Added function to report if a session is a resumed one. See gnutls_session_resumed().
---

diff --git a/doc/TODO b/doc/TODO
index 09c9ce29af..08f326830d 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -5,8 +5,8 @@ in order to avoid having people working on the same thing.
 Current list:
 + Audit the code
 * Add function(s) to get the DHE/A parameters
-* Add function to quickly report if a session is a resumed one
 * Add function(s) to extract the certificate key's parameters
+* Optimize functions which now return malloc'd data
 * Minimize footprint.
 - Add Kerberos support
 
diff --git a/lib/gnutls.h.in.in b/lib/gnutls.h.in.in
index ff9eb1cabc..282afec7fb 100644
--- a/lib/gnutls.h.in.in
+++ b/lib/gnutls.h.in.in
@@ -160,12 +160,17 @@ GNUTLS_Version gnutls_protocol_get_version(GNUTLS_STATE state);
 const char *gnutls_protocol_get_name(GNUTLS_Version version);
 
 
-/* get/set session */
+/* get/set session 
+ */
 int gnutls_session_set_data( GNUTLS_STATE state, void* session, int session_size);
 int gnutls_session_get_data( GNUTLS_STATE state, void* session, int *session_size);
 /* returns the session ID */
 int gnutls_session_get_id( GNUTLS_STATE state, void* session, int *session_size);
 
+/* checks if this session is a resumed one 
+ */
+int gnutls_session_resumed(GNUTLS_STATE state);
+
 typedef int (*GNUTLS_DB_STORE_FUNC)(void*, gnutls_datum key, gnutls_datum data);
 typedef int (*GNUTLS_DB_REMOVE_FUNC)(void*, gnutls_datum key);
 typedef gnutls_datum (*GNUTLS_DB_RETR_FUNC)(void*, gnutls_datum key);
diff --git a/lib/gnutls_int.h b/lib/gnutls_int.h
index cbe5221f5c..18d923b83f 100644
--- a/lib/gnutls_int.h
+++ b/lib/gnutls_int.h
@@ -428,7 +428,7 @@ typedef struct {
 	CertType_Priority		cert_type_priority;
 	
 	/* resumed session */
-	ResumableSession		resumed; /* TRUE or FALSE - if we are resuming a session */
+	ResumableSession		resumed; /* RESUME_TRUE or FALSE - if we are resuming a session */
 	SecurityParameters		resumed_security_parameters;
 
 	/* sockets internals */
diff --git a/lib/gnutls_privkey.c b/lib/gnutls_privkey.c
index e1b0aaa65c..2a115a59b7 100644
--- a/lib/gnutls_privkey.c
+++ b/lib/gnutls_privkey.c
@@ -30,6 +30,7 @@
 #include <gnutls_gcry.h>
 #include <gnutls_global.h>
 
+void _gcry_mpi_invm( MPI x, MPI a, MPI n );
 
 /* Converts an RSA PKCS#1 key to
  * an internal structure (gnutls_private_key)
diff --git a/lib/gnutls_state.c b/lib/gnutls_state.c
index fa5136888b..b71a637f7a 100644
--- a/lib/gnutls_state.c
+++ b/lib/gnutls_state.c
@@ -128,7 +128,6 @@ void _gnutls_handshake_internal_state_clear( GNUTLS_STATE state) {
 	state->gnutls_internals.adv_version_minor = 0;
 	state->gnutls_internals.adv_version_minor = 0;
 
-	state->gnutls_internals.resumed = RESUME_FALSE;
 	state->gnutls_internals.resumable = RESUME_TRUE;
 
 }
@@ -597,3 +596,26 @@ int _gnutls_PRF( opaque * secret, int secret_size, uint8 * label, int label_size
 	return 0; /* ok */
 
 }
+
+/**
+  * gnutls_session_resumed - Used to check whether this session is a resumed one
+  * @state: is a &GNUTLS_STATE structure.
+  *
+  * This function will return 0 if this session is a resumed one,
+  * or a negative number if this is a new session.
+  *
+  **/
+int gnutls_session_resumed(GNUTLS_STATE state)
+{
+	if (state->security_parameters.entity==GNUTLS_CLIENT) {
+		if (memcmp( state->security_parameters.session_id,
+			state->gnutls_internals.resumed_security_parameters.session_id,
+			state->security_parameters.session_id_size)==0)
+			return 0;
+	} else {
+		if (state->gnutls_internals.resumed==RESUME_TRUE)
+			return 0;
+	}
+
+	return GNUTLS_E_UNKNOWN_ERROR;
+}
diff --git a/src/cli.c b/src/cli.c
index 7c2dd4aa01..325a7c3035 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -306,6 +306,8 @@ int main(int argc, char **argv)
 	 return 1;
       } else {
 	 printf("- Handshake was completed\n");
+	 if (gnutls_session_resumed( state)==0)
+	 	printf("*** This is a resumed session\n");
       }
 
       if (i == 1) {		/* resume */
diff --git a/src/serv.c b/src/serv.c
index 62358bc92c..a2fb799bde 100644
--- a/src/serv.c
+++ b/src/serv.c
@@ -451,6 +451,8 @@ int main(int argc, char **argv)
 	 continue;
       }
       printf("- Handshake was completed\n");
+      if ( gnutls_session_resumed( state)==0)
+         printf("*** This is a resumed session\n");
 
       print_info(state);