Debian bug #786452: Test the environment variable HOME before use

1 files changed, 41 insertions, 0 deletions

diff --git a/debian/patches/0105-artec_missing_home_environment.patch b/debian/patches/0105-artec_missing_home_environment.patch
new file mode 100644
index 0000000..6602164
--- /dev/null
+++ b/debian/patches/0105-artec_missing_home_environment.patch
@@ -0,0 +1,41 @@
+Description: Test if  environment variable "HOME" exist
+Author: Jörg Frings-Fürst <debian@jff-webhosting.net>
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=786452
+Forwarded: https://alioth.debian.org/tracker/index.php?func=detail&aid=315071&group_id=30186&atid=410366
+Last-Update: 2015-05-22
+---
+This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
+Index: trunk/backend/artec_eplus48u.c
+===================================================================
+--- trunk.orig/backend/artec_eplus48u.c
++++ trunk/backend/artec_eplus48u.c
+@@ -3580,6 +3580,14 @@ load_calibration_data (Artec48U_Scanner
+ 
+   s->calibrated = SANE_FALSE;
+   path[0] = 0;
++
++  /* return SANE_STATUS_INVAL if HOME environment variable is not set */
++  if (getenv ("HOME") == NULL)
++  {
++    XDBG ((1, "Environment variable HOME not set\n"));
++    return SANE_STATUS_INVAL;
++  }
++
+   if (strlen (getenv ("HOME")) < (PATH_MAX - 1))
+     strcat (path, getenv ("HOME"));
+   else
+@@ -3690,6 +3698,14 @@ save_calibration_data (Artec48U_Scanner
+   mode_t mode = S_IRUSR | S_IWUSR;
+ 
+   path[0] = 0;
++
++  /* return SANE_STATUS_INVAL if HOME environment variable is not set */
++  if (getenv ("HOME") == NULL)
++  {
++    XDBG ((1, "Environment variable HOME not set\n"));
++    return SANE_STATUS_INVAL;
++  }
++
+   if (strlen (getenv ("HOME")) < (PATH_MAX - 1))
+     strcat (path, getenv ("HOME"));
+   else