cups/0001-Add-a-workaround-for-old-Samsung-drivers-Issue-5562.patch

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Diff

From 4c00fa533f99ed1b17fa14d33e2fd42c54c45bea Mon Sep 17 00:00:00 2001
From: Michael R Sweet <michael.r.sweet@gmail.com>
Date: Mon, 15 Apr 2019 16:50:04 -0400
Subject: [PATCH] Add a workaround for old Samsung drivers (Issue #5562)
diff --git a/cups/ppd.c b/cups/ppd.c
index 8bda7c6a0..f958728cb 100644
--- a/cups/ppd.c
+++ b/cups/ppd.c
@@ -1171,6 +1171,24 @@ _ppdOpen(
else if (!strcmp(string, "Plus90"))
ppd->landscape = 90;
}
+ else if (!strcmp(keyword, "Emulators") && string && ppd->num_emulations == 0)
+ {
+ /*
+ * Issue #5562: Samsung printer drivers incorrectly use Emulators keyword
+ * to configure themselves
+ *
+ * The Emulators keyword was loaded but never used by anything in CUPS,
+ * and has no valid purpose in CUPS. The old code was removed due to a
+ * memory leak (Issue #5475), so the following (new) code supports a single
+ * name for the Emulators keyword, allowing these drivers to work until we
+ * remove PPD and driver support entirely in a future version of CUPS.
+ */
+
+ ppd->num_emulations = 1;
+ ppd->emulations = calloc(1, sizeof(ppd_emul_t));
+
+ strlcpy(ppd->emulations[0].name, string, sizeof(ppd->emulations[0].name));
+ }
else if (!strcmp(keyword, "JobPatchFile"))
{
/*