diff --git a/CHANGES b/CHANGES index 4d87132d42cfeb30cf1361efa0bdf1915d24f823..4154ff20ac5fa12e7186c55b39b72971e04a499a 100644 --- a/CHANGES +++ b/CHANGES @@ -6,6 +6,18 @@ Changelog +Daniel (4 May 2006) +- Mark Eichin submitted bug report #1480821 + (http://curl.haxx.se/bug/view.cgi?id=1480821) He found and identified a + problem with how libcurl dealt with GnuTLS and a case where gnutls returned + GNUTLS_E_AGAIN indicating it would block. It would then return an unexpected + return code, making Curl_ssl_send() confuse the upper layer - causing random + 28 bytes trash data to get inserted in the transfered stream. + + The proper fix was to make the Curl_gtls_send() function return the proper + return codes that the callers would expect. The Curl_ossl_send() function + already did this. + Daniel (2 May 2006) - Added a --checkfor option to curl-config to allow users to easier write for example shell scripts that test for the presence of a diff --git a/RELEASE-NOTES b/RELEASE-NOTES index 810ffda9280176889d6c656336c006cc6a18dd5c..1fe83f38c0117acdef210e5ae2f28a9d0a30bbd5 100644 --- a/RELEASE-NOTES +++ b/RELEASE-NOTES @@ -20,6 +20,7 @@ This release includes the following changes: This release includes the following bugfixes: + o GnuTLS non-block case that could cause data trashing o deflate code survives lack of zlib header o CURLOPT_INTERFACE works with hostname o configure runs fine with ICC @@ -46,6 +47,6 @@ advice from friends like these: Dan Fandrich, Ilja van Sprundel, David McCreedy, Tor Arntsen, Xavier Bouchoux, David Byron, Michele Bini, Ates Goral, Katie Wang, Robson Braga Araujo, - Ale Vesely, Paul Querna, Gisle Vanem + Ale Vesely, Paul Querna, Gisle Vanem, Mark Eichin Thanks! (and sorry if I forgot to mention someone) diff --git a/lib/gtls.c b/lib/gtls.c index 5d3959cce2931483d643de266fb190e1be83e4df..4cf78080b1e17d83d934ce7370500efdb2b89560 100644 --- a/lib/gtls.c +++ b/lib/gtls.c @@ -458,6 +458,12 @@ int Curl_gtls_send(struct connectdata *conn, int rc; rc = gnutls_record_send(conn->ssl[sockindex].session, mem, len); + if(rc < 0 ) { + if(rc == GNUTLS_E_AGAIN) + return 0; /* EWOULDBLOCK equivalent */ + rc = -1; /* generic error code for send failure */ + } + return rc; }