From ffa8801644a7d53cc1c785e3450f794c07a14eb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Sun, 2 Feb 2020 17:13:01 +0100
Subject: New upstream version 1.0.29

---
 frontend/scanimage.c | 84 ++++++++++++++++++++++------------------------------
 1 file changed, 35 insertions(+), 49 deletions(-)

(limited to 'frontend/scanimage.c')

diff --git a/frontend/scanimage.c b/frontend/scanimage.c
index 6906f90..ae65ebf 100644
--- a/frontend/scanimage.c
+++ b/frontend/scanimage.c
@@ -32,6 +32,7 @@
 
 #include <assert.h>
 #include "lgetopt.h"
+#include <inttypes.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -204,51 +205,30 @@ auth_callback (SANE_String_Const resource,
 		  if ((strlen (tmp) > 0) && (tmp[strlen (tmp) - 1] == '\r'))
 		    tmp[strlen (tmp) - 1] = 0;
 
-		  if (strchr (tmp, ':') != NULL)
+		  char *colon1 = strchr (tmp, ':');
+		  if (colon1 != NULL)
 		    {
+		      char *tmp_username = tmp;
+		      *colon1 = '\0';
 
-		      if (strchr (strchr (tmp, ':') + 1, ':') != NULL)
+		      char *colon2 = strchr (colon1 + 1, ':');
+		      if (colon2 != NULL)
 			{
+			  char *tmp_password = colon1 + 1;
+			  *colon2 = '\0';
 
-			  if ((strncmp
-			       (strchr (strchr (tmp, ':') + 1, ':') + 1,
-				resource, len) == 0)
-			      &&
-			      ((int) strlen
-			       (strchr (strchr (tmp, ':') + 1, ':') + 1) ==
-			       len))
+			  if ((strncmp (colon2 + 1, resource, len) == 0)
+			      && ((int) strlen (colon2 + 1) == len))
 			    {
-
-			      if ((strchr (tmp, ':') - tmp) <
-				  SANE_MAX_USERNAME_LEN)
-				{
-
-				  if ((strchr (strchr (tmp, ':') + 1, ':') -
-				       (strchr (tmp, ':') + 1)) <
-				      SANE_MAX_PASSWORD_LEN)
-				    {
-
-				      strncpy (username, tmp,
-					       strchr (tmp, ':') - tmp);
-
-				      username[strchr (tmp, ':') - tmp] = 0;
-
-				      strncpy (password,
-					       strchr (tmp, ':') + 1,
-					       strchr (strchr (tmp, ':') + 1,
-						       ':') -
-					       (strchr (tmp, ':') + 1));
-				      password[strchr
-					       (strchr (tmp, ':') + 1,
-						':') - (strchr (tmp,
-								':') + 1)] =
-					0;
-
-				      query_user = 0;
-				      break;
-				    }
-				}
-
+			      if ((strlen (tmp_username) < SANE_MAX_USERNAME_LEN) &&
+                                  (strlen (tmp_password) < SANE_MAX_PASSWORD_LEN))
+                                {
+                                  strncpy (username, tmp_username, SANE_MAX_USERNAME_LEN);
+                                  strncpy (password, tmp_password, SANE_MAX_PASSWORD_LEN);
+
+                                  query_user = 0;
+                                  break;
+                                }
 			    }
 			}
 		    }
@@ -1317,7 +1297,8 @@ advance (Image * image)
 static SANE_Status
 scan_it (FILE *ofp)
 {
-  int i, len, first_frame = 1, offset = 0, must_buffer = 0, hundred_percent;
+  int i, len, first_frame = 1, offset = 0, must_buffer = 0;
+  uint64_t hundred_percent = 0;
   SANE_Byte min = 0xff, max = 0;
   SANE_Parameters parm;
   SANE_Status status;
@@ -1325,7 +1306,7 @@ scan_it (FILE *ofp)
   static const char *format_name[] = {
     "gray", "RGB", "red", "green", "blue"
   };
-  SANE_Word total_bytes = 0, expected_bytes;
+  uint64_t total_bytes = 0, expected_bytes;
   SANE_Int hang_over = -1;
 #ifdef HAVE_LIBPNG
   int pngrow = 0;
@@ -1486,7 +1467,7 @@ scan_it (FILE *ofp)
 	  offset = parm.format - SANE_FRAME_RED;
 	  image.x = image.y = 0;
 	}
-      hundred_percent = parm.bytes_per_line * parm.lines
+      hundred_percent = ((uint64_t)parm.bytes_per_line) * parm.lines
 	* ((parm.format == SANE_FRAME_RGB || parm.format == SANE_FRAME_GRAY) ? 1:3);
 
       while (1)
@@ -1498,7 +1479,12 @@ scan_it (FILE *ofp)
           if (progr > 100.)
 	    progr = 100.;
           if (progress)
-	    fprintf (stderr, "Progress: %3.1f%%\r", progr);
+            {
+              if (parm.lines >= 0)
+                fprintf(stderr, "Progress: %3.1f%%\r", progr);
+              else
+                fprintf(stderr, "Progress: (unknown)\r");
+            }
 
 	  if (status != SANE_STATUS_GOOD)
 	    {
@@ -1760,7 +1746,7 @@ cleanup:
     free (image.data);
 
 
-  expected_bytes = parm.bytes_per_line * parm.lines *
+  expected_bytes = ((uint64_t)parm.bytes_per_line) * parm.lines *
     ((parm.format == SANE_FRAME_RGB
       || parm.format == SANE_FRAME_GRAY) ? 1 : 3);
   if (parm.lines < 0)
@@ -1769,10 +1755,10 @@ cleanup:
     {
       fprintf (stderr,
 	       "%s: WARNING: read more data than announced by backend "
-	       "(%u/%u)\n", prog_name, total_bytes, expected_bytes);
+               "(%" PRIu64 "/%" PRIu64 ")\n", prog_name, total_bytes, expected_bytes);
     }
   else if (verbose)
-    fprintf (stderr, "%s: read %u bytes in total\n", prog_name, total_bytes);
+    fprintf (stderr, "%s: read %" PRIu64 " bytes in total\n", prog_name, total_bytes);
 
   return status;
 }
@@ -2260,15 +2246,15 @@ main (int argc, char **argv)
 	    if (defdevname)
 	      printf ("default device is `%s'\n", defdevname);
 	    scanimage_exit (0);
+	    break;
 	  }
-
 	case 'V':
 	  printf ("scanimage (%s) %s; backend version %d.%d.%d\n", PACKAGE,
 		  VERSION, SANE_VERSION_MAJOR (version_code),
 		  SANE_VERSION_MINOR (version_code),
 		  SANE_VERSION_BUILD (version_code));
 	  scanimage_exit (0);
-
+	  break;
 	default:
 	  break;		/* ignore device specific options for now */
 	}
-- 
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