6d0571215d
* gnu/packages/patches/isync-openssl3-fix.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/mail.scm (isync): Use patch. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
81 lines
2.6 KiB
Diff
81 lines
2.6 KiB
Diff
Upstream status: Taken from master branch. Likely included in versions > 1.4.4
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Fixes issues with OpenSSL3. See related thread:
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https://sourceforge.net/p/isync/mailman/isync-devel/thread/Y2jnr8hESp1PUW+6@bulldog/
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From b6c36624f04cd388873785c0631df3f2f9ac4bf0 Mon Sep 17 00:00:00 2001
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From: Oswald Buddenhagen <ossi@users.sf.net>
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Date: Mon, 6 Jun 2022 11:55:37 +0200
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Subject: [PATCH] work around "unexpected EOF" error messages at end of SSL
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connections
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gmail apparently doesn't send a close notification (SSL_shutdown())
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before closing the TCP socket.
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---
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src/drv_imap.c | 7 +++++--
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src/socket.c | 9 +++++++++
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src/socket.h | 1 +
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3 files changed, 15 insertions(+), 2 deletions(-)
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diff --git a/src/drv_imap.c b/src/drv_imap.c
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index fb8d165..6286045 100644
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--- a/src/drv_imap.c
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+++ b/src/drv_imap.c
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@@ -1620,6 +1620,7 @@ imap_socket_read( void *aux )
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error( "IMAP error: unexpected BYE response: %s\n", cmd );
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/* We just wait for the server to close the connection now. */
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ctx->expectEOF = 1;
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+ socket_expect_eof( &ctx->conn );
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} else {
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/* We still need to wait for the LOGOUT's tagged OK. */
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}
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@@ -1882,10 +1883,12 @@ static void
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imap_cleanup_p2( imap_store_t *ctx,
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imap_cmd_t *cmd ATTR_UNUSED, int response )
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{
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- if (response == RESP_NO)
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+ if (response == RESP_NO) {
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imap_cancel_store( &ctx->gen );
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- else if (response == RESP_OK)
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+ } else if (response == RESP_OK) {
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ctx->expectEOF = 1;
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+ socket_expect_eof( &ctx->conn );
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+ }
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}
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/******************* imap_open_store *******************/
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diff --git a/src/socket.c b/src/socket.c
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index ac3c847..892cece 100644
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--- a/src/socket.c
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+++ b/src/socket.c
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@@ -810,6 +810,15 @@ socket_expect_activity( conn_t *conn, int expect )
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conf_wakeup( &conn->fd_timeout, expect ? conn->conf->timeout : -1 );
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}
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+void
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+socket_expect_eof( conn_t *sock )
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+{
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+#ifdef SSL_OP_IGNORE_UNEXPECTED_EOF // implies HAVE_LIBSSL
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+ if (sock->ssl)
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+ SSL_set_options( sock->ssl, SSL_OP_IGNORE_UNEXPECTED_EOF );
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+#endif
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+}
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+
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int
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socket_read( conn_t *conn, char *buf, uint len )
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{
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diff --git a/src/socket.h b/src/socket.h
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index 5b1edd0..af679aa 100644
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--- a/src/socket.h
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+++ b/src/socket.h
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@@ -142,6 +142,7 @@ void socket_start_tls(conn_t *conn, void (*cb)( int ok, void *aux ) );
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void socket_start_deflate( conn_t *conn );
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void socket_close( conn_t *sock );
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void socket_expect_activity( conn_t *sock, int expect );
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+void socket_expect_eof( conn_t *sock );
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int socket_read( conn_t *sock, char *buf, uint len ); /* never waits */
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char *socket_read_line( conn_t *sock ); /* don't free return value; never waits */
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typedef enum { KeepOwn = 0, GiveOwn } ownership_t;
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--
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2.39.2
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