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* gnu/packages/patches/evolution-CVE-2020-11879.patch: New patch. * gnu/local.mk (dist_patch_DATA): Register it. * gnu/packages/gnome.scm (evolution): Apply it.
122 lines
4.2 KiB
Diff
122 lines
4.2 KiB
Diff
From 6489f20d6905cc797e2b2581c415e558c457caa7 Mon Sep 17 00:00:00 2001
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From: Milan Crha <mcrha@redhat.com>
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Date: Wed, 12 Feb 2020 18:59:52 +0100
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Subject: [PATCH] I#784 - Warn about and limit what can be attached using
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mailto: URI
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Closes https://gitlab.gnome.org/GNOME/evolution/issues/784
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---
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src/composer/e-msg-composer.c | 58 +++++++++++++++++++++++++++++------
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src/e-util/e-system.error.xml | 7 ++++-
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2 files changed, 54 insertions(+), 11 deletions(-)
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diff --git a/src/composer/e-msg-composer.c b/src/composer/e-msg-composer.c
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index e4c9ac095e..cd3168d882 100644
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--- a/src/composer/e-msg-composer.c
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+++ b/src/composer/e-msg-composer.c
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@@ -4761,7 +4761,8 @@ handle_mailto (EMsgComposer *composer,
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gchar *header, *content, *buf;
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gsize nread, nwritten;
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const gchar *p;
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- gint len, clen;
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+ gint len, clen, has_attachments = 0;
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+ gboolean has_blacklisted_attachment = FALSE;
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table = e_msg_composer_get_header_table (composer);
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view = e_msg_composer_get_attachment_view (composer);
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@@ -4844,22 +4845,36 @@ handle_mailto (EMsgComposer *composer,
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} else if (!g_ascii_strcasecmp (header, "attach") ||
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!g_ascii_strcasecmp (header, "attachment")) {
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EAttachment *attachment;
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+ GFile *file;
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camel_url_decode (content);
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- if (file_is_blacklisted (content))
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- e_alert_submit (
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- E_ALERT_SINK (e_msg_composer_get_editor (composer)),
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- "mail:blacklisted-file",
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- content, NULL);
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if (g_ascii_strncasecmp (content, "file:", 5) == 0)
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attachment = e_attachment_new_for_uri (content);
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else
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attachment = e_attachment_new_for_path (content);
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- e_attachment_store_add_attachment (store, attachment);
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- e_attachment_load_async (
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- attachment, (GAsyncReadyCallback)
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- e_attachment_load_handle_error, composer);
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+ file = e_attachment_ref_file (attachment);
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+ if (!file || !g_file_peek_path (file) ||
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+ !g_file_test (g_file_peek_path (file), G_FILE_TEST_EXISTS) ||
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+ g_file_test (g_file_peek_path (file), G_FILE_TEST_IS_DIR)) {
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+ /* Do nothing, simply ignore the attachment request */
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+ } else {
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+ has_attachments++;
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+
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+ if (file_is_blacklisted (content)) {
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+ has_blacklisted_attachment = TRUE;
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+ e_alert_submit (
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+ E_ALERT_SINK (e_msg_composer_get_editor (composer)),
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+ "mail:blacklisted-file",
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+ content, NULL);
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+ }
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+
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+ e_attachment_store_add_attachment (store, attachment);
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+ e_attachment_load_async (
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+ attachment, (GAsyncReadyCallback)
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+ e_attachment_load_handle_error, composer);
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+ }
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g_object_unref (attachment);
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+ g_clear_object (&file);
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} else if (!g_ascii_strcasecmp (header, "from")) {
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/* Ignore */
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} else if (!g_ascii_strcasecmp (header, "reply-to")) {
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@@ -4883,6 +4898,29 @@ handle_mailto (EMsgComposer *composer,
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g_free (buf);
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+ if (has_attachments && !has_blacklisted_attachment) {
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+ const gchar *primary;
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+ gchar *secondary;
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+
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+ primary = g_dngettext (GETTEXT_PACKAGE,
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+ "Review attachment before sending.",
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+ "Review attachments before sending.",
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+ has_attachments);
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+
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+ secondary = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE,
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+ "There had been added %d attachment. Make sure it does not contain any sensitive information before sending the message.",
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+ "There had been added %d attachments. Make sure they do not contain any sensitive information before sending the message.",
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+ has_attachments),
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+ has_attachments);
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+
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+ e_alert_submit (
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+ E_ALERT_SINK (e_msg_composer_get_editor (composer)),
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+ "system:generic-warning",
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+ primary, secondary, NULL);
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+
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+ g_free (secondary);
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+ }
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+
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merge_always_cc_and_bcc (table, to, &cc, &bcc);
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tov = destination_list_to_vector (to);
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diff --git a/src/e-util/e-system.error.xml b/src/e-util/e-system.error.xml
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index ddcf989fda..02facb7d26 100644
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--- a/src/e-util/e-system.error.xml
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+++ b/src/e-util/e-system.error.xml
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@@ -1,6 +1,11 @@
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<?xml version="1.0"?>
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<error-list domain="system">
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- <error type="error" id="generic-error">
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+ <error id="generic-error" type="error">
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+ <primary>{0}</primary>
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+ <secondary>{1}</secondary>
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+ </error>
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+
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+ <error id="generic-warning" type="warning">
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<primary>{0}</primary>
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<secondary>{1}</secondary>
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</error>
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--
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GitLab
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