[SCM] GNU gnutls branch, master, updated. gnutls_3_0_18-19-g4dd4038

[Nikos Mavrogiannopoulos]

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- Log -----------------------------------------------------------------
commit 4dd4038557f89f3384f3a3246b8601db4fe0fa63
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Mon Apr 9 13:40:54 2012 +0200

    corrected DH generation check.

commit 3c8ddf27dead54f1b406ea4b17c67999489def84
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Mon Apr 9 13:39:53 2012 +0200

    updated

commit 56df68691364f1bc0b0809710d575fa285210ece
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Mon Apr 9 13:17:01 2012 +0200

    gnutls_record_check_pending functionality was divided to 
gnutls_record_check_pending and gnutls_record_check_unprocessed.

commit ab591d8e381f9808ae5d84bd6bef0cb8ada46b56
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Mon Apr 9 13:06:33 2012 +0200

    doc updates

commit d4421b9baba6c553e6922798cb0448485217be98
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Sun Apr 8 23:45:22 2012 +0200

    refuse to generate small group sizes.

commit 720f2a971f2c75459c91397dde00e9a445f89964
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Sun Apr 8 20:07:09 2012 +0200

    do not check for fchmod

-----------------------------------------------------------------------

Summary of changes:
 NEWS                            |    9 +++++++--
 configure.ac                    |    2 +-
 doc/Makefile.am                 |   19 ++++++++++---------
 lib/gnutls_buffers.c            |   18 +++++++++++++++++-
 lib/gnutls_handshake.c          |    6 ++++--
 lib/gnutls_int.h                |    4 ++--
 lib/includes/gnutls/gnutls.h.in |    1 +
 lib/nettle/mpi.c                |    2 +-
 8 files changed, 43 insertions(+), 18 deletions(-)

diff --git a/NEWS b/NEWS
index dd64b59..13b787b 100644
--- a/NEWS
+++ b/NEWS
@@ -4,12 +4,17 @@ See the end for copying conditions.
 
 * Version 3.0.19 (unreleased)
 
+** libgnutls: gnutls_record_check_pending() no longer
+returns unprocessed data, and thus ensure the non-blocking
+of the next call to gnutls_record_recv(). To compensate
+for unprocessed data, the gnutls_record_check_unprocessed() 
+was added.
+
 ** tests: Disabled floating point test, and corrections
 in pkcs12 decoding tests.
 
 ** API and ABI modifications:
-No changes since last version.
-
+gnutls_record_check_unprocessed: Added
 
 * Version 3.0.18 (released 2012-04-02)
 
diff --git a/configure.ac b/configure.ac
index ba60ce8..5350a90 100644
--- a/configure.ac
+++ b/configure.ac
@@ -124,7 +124,7 @@ AC_C_BIGENDIAN
 
 
 dnl No fork on MinGW, disable some self-tests until we fix them.
-AC_CHECK_FUNCS([fork getrusage getpwuid_r daemon fchmod],,)
+AC_CHECK_FUNCS([fork getrusage getpwuid_r daemon],,)
 AM_CONDITIONAL(HAVE_FORK, test "$ac_cv_func_fork" != "no")
 AC_LIB_HAVE_LINKFLAGS(pthread,, [#include <pthread.h>], [pthread_mutex_lock 
(0);])
 
diff --git a/doc/Makefile.am b/doc/Makefile.am
index ace7359..7928971 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -190,15 +190,6 @@ HEADER_FILES = 
$(top_srcdir)/lib/includes/gnutls/gnutls.h.in \
        $(top_srcdir)/lib/includes/gnutls/dtls.h 
$(top_srcdir)/lib/includes/gnutls/crypto.h \
        $(top_srcdir)/lib/includes/gnutls/ocsp.h
 
-stamp_functions: gnutls-api.texi x509-api.texi pgp-api.texi pkcs12-api.texi 
pkcs11-api.texi abstract-api.texi compat-api.texi dtls-api.texi crypto-api.texi 
ocsp-api.texi
-       $(MAKE) compare-makefile
-       for i in $^; do \
-               $(srcdir)/scripts/split-texi.pl functions < $$i; \
-       done
-       sed -i 's/address@hidden//g' functions/*
-       sed -i 's/address@hidden//g' functions/*
-       echo $@ > $@
-
 gnutls-api.texi: $(top_srcdir)/lib/includes/gnutls/gnutls.h.in
        echo "" > address@hidden
        for i in `$(top_srcdir)/doc/scripts/getfuncs.pl 
<$(top_srcdir)/lib/includes/gnutls/gnutls.h.in|sort|uniq`; do \
@@ -360,6 +351,16 @@ enums.texi: $(HEADER_FILES)
 gnutls_TEXINFOS += $(ENUMS) $(FUNCS)
 DISTCLEANFILES += $(ENUMS) stamp_enums stamp_functions
 
+stamp_functions: gnutls-api.texi x509-api.texi pgp-api.texi pkcs12-api.texi 
pkcs11-api.texi abstract-api.texi compat-api.texi dtls-api.texi crypto-api.texi 
ocsp-api.texi
+       -mkdir functions
+       for i in $^; do \
+               $(srcdir)/scripts/split-texi.pl functions < $$i; \
+       done
+       sed -i 's/address@hidden//g' functions/*
+       sed -i 's/address@hidden//g' functions/*
+       echo $@ > $@
+       $(MAKE) compare-makefile
+
 stamp_enums: enums.texi
        -mkdir enums
        $(srcdir)/scripts/split-texi.pl enums enum < enums.texi
diff --git a/lib/gnutls_buffers.c b/lib/gnutls_buffers.c
index 2d4fdc3..a7c00ca 100644
--- a/lib/gnutls_buffers.c
+++ b/lib/gnutls_buffers.c
@@ -93,7 +93,23 @@ _gnutls_record_buffer_put (gnutls_session_t session,
 size_t
 gnutls_record_check_pending (gnutls_session_t session)
 {
-  return _gnutls_record_buffer_get_size (session) + 
session->internals.record_recv_buffer.byte_length;
+  return _gnutls_record_buffer_get_size (session);
+}
+
+/**
+ * gnutls_record_check_unprocessed:
+ * @session: is a #gnutls_session_t structure.
+ *
+ * This function checks if there are unprocessed data
+ * in the gnutls record buffers. Those data might not
+ * be complete records.
+ *
+ * Returns: Returns the size of the data or zero.
+ **/
+size_t
+gnutls_record_check_unprocessed (gnutls_session_t session)
+{
+  return session->internals.record_recv_buffer.byte_length;
 }
 
 int
diff --git a/lib/gnutls_handshake.c b/lib/gnutls_handshake.c
index f2331d0..8dc3264 100644
--- a/lib/gnutls_handshake.c
+++ b/lib/gnutls_handshake.c
@@ -2681,7 +2681,8 @@ _gnutls_recv_handshake_final (gnutls_session_t session, 
int init)
        * we have received it unless we notify him. So we
        * wait for a message and retransmit if needed. */
       if (IS_DTLS(session) && !_dtls_is_async(session) && 
-          gnutls_record_check_pending (session) == 0)
+          (gnutls_record_check_pending (session) +
+          gnutls_record_check_unprocessed (session)) == 0)
         {
           ret = _dtls_wait_and_retransmit(session);
           if (ret < 0)
@@ -2718,7 +2719,8 @@ _gnutls_recv_handshake_final (gnutls_session_t session, 
int init)
       STATE = STATE31;
 
        if (IS_DTLS(session) && !_dtls_is_async(session) && 
-           gnutls_record_check_pending( session) == 0)
+           (gnutls_record_check_pending( session) +
+           gnutls_record_check_unprocessed (session)) == 0)
          {
            ret = _dtls_wait_and_retransmit(session);
            if (ret < 0)
diff --git a/lib/gnutls_int.h b/lib/gnutls_int.h
index e9c617d..4a60ae0 100644
--- a/lib/gnutls_int.h
+++ b/lib/gnutls_int.h
@@ -654,7 +654,7 @@ typedef union
 
 typedef struct
 {
-  /* holds all the data received by the record layer */
+  /* holds all the parsed data received by the record layer */
   mbuffer_head_st record_buffer; 
 
   int handshake_hash_buffer_prev_len;           /* keeps the length of 
handshake_hash_buffer, excluding
@@ -702,7 +702,7 @@ typedef struct
   /* this buffer holds a record packet -mostly used for
    * non blocking IO.
    */
-  mbuffer_head_st record_recv_buffer;   /* buffer holding the record that is 
currently 
+  mbuffer_head_st record_recv_buffer;   /* buffer holding the unparsed record 
that is currently 
                                          * being received */
   mbuffer_head_st record_send_buffer;   /* holds cached data
                                          * for the gnutls_io_write_buffered()
diff --git a/lib/includes/gnutls/gnutls.h.in b/lib/includes/gnutls/gnutls.h.in
index 035f638..be85dc9 100644
--- a/lib/includes/gnutls/gnutls.h.in
+++ b/lib/includes/gnutls/gnutls.h.in
@@ -857,6 +857,7 @@ gnutls_ecc_curve_t gnutls_ecc_curve_get(gnutls_session_t 
session);
   ssize_t gnutls_record_set_max_size (gnutls_session_t session, size_t size);
 
   size_t gnutls_record_check_pending (gnutls_session_t session);
+  size_t gnutls_record_check_unprocessed (gnutls_session_t session);
 
   int gnutls_prf (gnutls_session_t session,
                   size_t label_size, const char *label,
diff --git a/lib/nettle/mpi.c b/lib/nettle/mpi.c
index f375a79..d4612b8 100644
--- a/lib/nettle/mpi.c
+++ b/lib/nettle/mpi.c
@@ -427,7 +427,7 @@ gen_group (mpz_t * prime, mpz_t * generator, unsigned int 
nbits, unsigned int *q
   q_bytes = _gnutls_pk_bits_to_subgroup_bits (nbits);
   q_bytes /= 8;
 
-  if (q_bytes == 0)
+  if (q_bytes == 0 || q_bytes >= p_bytes)
     {
       gnutls_assert ();
       return GNUTLS_E_INVALID_REQUEST;


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