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From dfcc0717abaf30d1c0ac76becbe7e334b6a31a3e Mon Sep 17 00:00:00 2001
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From: Debarshi Ray <debarshir@gnome.org>
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Date: Mon, 31 Jan 2022 15:16:12 +0100
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Subject: [PATCH] source-archive, source-file: Deprecate MD5 and SHA1 hashes
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... because of their weaknesses, and show a warning suggesting SHA256
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instead.
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The new test cases were removed from this commit to simplify the
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downstream build.
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https://github.com/flatpak/flatpak-builder/pull/459
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https://bugzilla.redhat.com/show_bug.cgi?id=1935509
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---
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src/builder-source-archive.c | 12 ++++++++++++
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src/builder-source-file.c | 12 ++++++++++++
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2 files changed, 24 insertions(+)
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diff --git a/src/builder-source-archive.c b/src/builder-source-archive.c
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index c93f84efc84c..04eafe44cd01 100644
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--- a/src/builder-source-archive.c
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+++ b/src/builder-source-archive.c
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@@ -230,11 +230,23 @@ builder_source_archive_set_property (GObject *object,
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case PROP_MD5:
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g_free (self->md5);
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self->md5 = g_value_dup_string (value);
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+ if (self->md5 != NULL && self->md5[0] != '\0')
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+ {
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+ g_printerr ("The \"md5\" source property is deprecated due to the weakness of MD5 hashes.\n");
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+ g_printerr ("Use the \"sha256\" property for the more secure SHA256 hash.\n");
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+ }
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+
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break;
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case PROP_SHA1:
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g_free (self->sha1);
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self->sha1 = g_value_dup_string (value);
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+ if (self->sha1 != NULL && self->sha1[0] != '\0')
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+ {
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+ g_printerr ("The \"sha1\" source property is deprecated due to the weakness of SHA1 hashes.\n");
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+ g_printerr ("Use the \"sha256\" property for the more secure SHA256 hash.\n");
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+ }
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+
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break;
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case PROP_SHA256:
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diff --git a/src/builder-source-file.c b/src/builder-source-file.c
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index 715803d510bb..8a4077246cda 100644
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--- a/src/builder-source-file.c
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+++ b/src/builder-source-file.c
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@@ -154,11 +154,23 @@ builder_source_file_set_property (GObject *object,
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case PROP_MD5:
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g_free (self->md5);
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self->md5 = g_value_dup_string (value);
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+ if (self->md5 != NULL && self->md5[0] != '\0')
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+ {
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+ g_printerr ("The \"md5\" source property is deprecated due to the weakness of MD5 hashes.\n");
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+ g_printerr ("Use the \"sha256\" property for the more secure SHA256 hash.\n");
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+ }
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+
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break;
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case PROP_SHA1:
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g_free (self->sha1);
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self->sha1 = g_value_dup_string (value);
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+ if (self->sha1 != NULL && self->sha1[0] != '\0')
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+ {
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+ g_printerr ("The \"sha1\" source property is deprecated due to the weakness of SHA1 hashes.\n");
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+ g_printerr ("Use the \"sha256\" property for the more secure SHA256 hash.\n");
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+ }
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+
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break;
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case PROP_SHA256:
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--
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2.34.1
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