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92 lines
4.3 KiB
92 lines
4.3 KiB
2 years ago
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diff -up evolution-data-server-3.28.5/src/camel/camel-stream-buffer.c.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/camel-stream-buffer.c
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--- evolution-data-server-3.28.5/src/camel/camel-stream-buffer.c.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/camel-stream-buffer.c 2020-07-23 10:26:57.962555350 +0200
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@@ -524,3 +524,22 @@ camel_stream_buffer_read_line (CamelStre
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return g_strdup ((gchar *) sbf->priv->linebuf);
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}
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+
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+/*
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+ * camel_stream_buffer_discard_cache:
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+ * @sbf: a #CamelStreamBuffer
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+ *
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+ * Discards any cached data in the @sbf. The next read reads
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+ * from the stream.
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+ *
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+ * Since: 3.28.5-14
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+ */
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+void
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+camel_stream_buffer_discard_cache (CamelStreamBuffer *sbf)
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+{
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+ g_return_if_fail (CAMEL_IS_STREAM_BUFFER (sbf));
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+
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+ sbf->priv->ptr = sbf->priv->buf;
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+ sbf->priv->end = sbf->priv->buf;
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+ sbf->priv->ptr[0] = '\0';
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+}
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diff -up evolution-data-server-3.28.5/src/camel/camel-stream-buffer.h.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/camel-stream-buffer.h
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--- evolution-data-server-3.28.5/src/camel/camel-stream-buffer.h.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/camel-stream-buffer.h 2020-07-23 10:26:57.963555348 +0200
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@@ -93,6 +93,8 @@ gint camel_stream_buffer_gets (CamelStr
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gchar * camel_stream_buffer_read_line (CamelStreamBuffer *sbf,
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GCancellable *cancellable,
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GError **error);
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+void camel_stream_buffer_discard_cache
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+ (CamelStreamBuffer *sbf);
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G_END_DECLS
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diff -up evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-store.c.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-store.c
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--- evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-store.c.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-store.c 2020-07-23 10:26:57.963555348 +0200
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@@ -208,6 +208,8 @@ connect_to_server (CamelService *service
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if (tls_stream != NULL) {
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camel_stream_set_base_stream (stream, tls_stream);
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+ /* Truncate any left cached input from the insecure part of the session */
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+ camel_pop3_stream_discard_cache (pop3_engine->stream);
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g_object_unref (tls_stream);
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} else {
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g_prefix_error (
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diff -up evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.c.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.c
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--- evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.c.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.c 2020-07-23 10:26:57.963555348 +0200
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@@ -457,3 +457,14 @@ camel_pop3_stream_getd (CamelPOP3Stream
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return 1;
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}
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+
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+void
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+camel_pop3_stream_discard_cache (CamelPOP3Stream *is)
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+{
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+ if (is) {
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+ is->ptr = is->end = is->buf;
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+ is->lineptr = is->linebuf;
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+ is->lineend = is->linebuf + CAMEL_POP3_STREAM_LINE_SIZE;
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+ is->ptr[0] = '\n';
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+ }
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+}
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diff -up evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.h.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.h
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--- evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.h.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/providers/pop3/camel-pop3-stream.h 2020-07-23 10:26:57.963555348 +0200
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@@ -87,6 +87,7 @@ gint camel_pop3_stream_getd (CamelPOP3
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guint *len,
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GCancellable *cancellable,
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GError **error);
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+void camel_pop3_stream_discard_cache (CamelPOP3Stream *is);
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G_END_DECLS
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diff -up evolution-data-server-3.28.5/src/camel/providers/smtp/camel-smtp-transport.c.CVE-2020-14928 evolution-data-server-3.28.5/src/camel/providers/smtp/camel-smtp-transport.c
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--- evolution-data-server-3.28.5/src/camel/providers/smtp/camel-smtp-transport.c.CVE-2020-14928 2018-07-30 15:17:06.000000000 +0200
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+++ evolution-data-server-3.28.5/src/camel/providers/smtp/camel-smtp-transport.c 2020-07-23 10:26:57.963555348 +0200
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@@ -319,6 +319,8 @@ connect_to_server (CamelService *service
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if (tls_stream != NULL) {
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camel_stream_set_base_stream (stream, tls_stream);
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+ /* Truncate any left cached input from the insecure part of the session */
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+ camel_stream_buffer_discard_cache (transport->istream);
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g_object_unref (tls_stream);
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} else {
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g_prefix_error (
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