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View File hpijs-avoid-segfault-in-DJGenericVIP-DJGenericVIP.patch of Package hplip (Project Printing)

From ca4af49f2979610ff2c6818ebd0072432417ba95 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Fri, 1 Jun 2018 17:09:31 +0200
Subject: [PATCH] hpijs: avoid segfault in DJGenericVIP::DJGenericVIP()

DJGenericVIP::DJGenericVIP() doesn't treat an error from VerifyPenInfo() as
fatal, but the superclass constructor DJ9xxVIP::DJ9xxVIP() does. This
may lead to a sefgault in DJGenericVIP::DJGenericVIP() because ModeCount and
pMode aren't initialized by the superclass constructor.

Signed-off-by: Martin Wilck <mwilck@suse.com>
---
 prnt/hpijs/dj9xxvip.cpp     | 8 ++++++--
 prnt/hpijs/dj9xxvip.h       | 3 ++-
 prnt/hpijs/djgenericvip.cpp | 2 +-
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/prnt/hpijs/dj9xxvip.cpp b/prnt/hpijs/dj9xxvip.cpp
index 519036c..0a5c959 100644
--- a/prnt/hpijs/dj9xxvip.cpp
+++ b/prnt/hpijs/dj9xxvip.cpp
@@ -55,7 +55,8 @@ extern MediaType MediaTypeToPcl (MEDIATYPE eMediaType);
 DJ9xxVIP::DJ9xxVIP
 (
     SystemServices* pSS,
-    BOOL proto
+    BOOL proto,
+    BOOL ignore_pen_error
 ) :
     Printer(pSS, NUM_DJ6XX_FONTS, proto),
     PCL3acceptsDriverware(TRUE)
@@ -67,7 +68,10 @@ DJ9xxVIP::DJ9xxVIP
     {
         bCheckForCancelButton = TRUE;
         constructor_error = VerifyPenInfo();
-        CERRCHECK;
+	if (!ignore_pen_error) {
+	  CERRCHECK;
+	} else
+	  ePen = BOTH_PENS;
     }
     else ePen = BOTH_PENS;    // matches default mode
 
diff --git a/prnt/hpijs/dj9xxvip.h b/prnt/hpijs/dj9xxvip.h
index 85eb3ac..af1be8f 100644
--- a/prnt/hpijs/dj9xxvip.h
+++ b/prnt/hpijs/dj9xxvip.h
@@ -42,7 +42,8 @@ APDK_BEGIN_NAMESPACE
 class DJ9xxVIP : public Printer
 {
 public:
-    DJ9xxVIP(SystemServices* pSS, BOOL proto=FALSE);
+    DJ9xxVIP(SystemServices* pSS, BOOL proto=FALSE,
+             BOOL ignore_pen_error=FALSE);
 
     Header* SelectHeader(PrintContext* pc);
     DRIVER_ERROR VerifyPenInfo();
diff --git a/prnt/hpijs/djgenericvip.cpp b/prnt/hpijs/djgenericvip.cpp
index b7e79dc..7228fcf 100644
--- a/prnt/hpijs/djgenericvip.cpp
+++ b/prnt/hpijs/djgenericvip.cpp
@@ -47,7 +47,7 @@ extern uint32_t ulMapDJ600_CCM_K[ 9 * 9 * 9 ];
  */
 
 DJGenericVIP::DJGenericVIP (SystemServices* pSS, BOOL proto)
-    : DJ9xxVIP (pSS, proto)
+  : DJ9xxVIP (pSS, proto, true)
 {
 
     if (!proto && IOMode.bDevID)
-- 
2.17.0