From: Stelian Pop <stelian@popies.net>
Date: Thu, 17 Jun 2004 09:01:13 +0000 (+0000)
Subject: Fix SIGSEGV when reading a hand-modified dumpdates file.
X-Git-Tag: release_0_4b38~17
X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=commitdiff_plain;h=1f2c193ec243b3c8ea7865c59381f2321afb98f8

Fix SIGSEGV when reading a hand-modified dumpdates file.
---

diff --git a/CHANGES b/CHANGES
index 83cad50..cc9eb64 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,4 @@
-$Id: CHANGES,v 1.249 2004/06/02 09:22:48 stelian Exp $
+$Id: CHANGES,v 1.250 2004/06/17 09:01:13 stelian Exp $
 
 Changes between versions 0.4b36 and 0.4b37 (released ??????????????)
 ====================================================================
@@ -17,6 +17,10 @@ Changes between versions 0.4b36 and 0.4b37 (released ??????????????)
 	that are also defined by <linux/types.h> (<asm/types.h>) and 
 	they conflict).
 
+3.	Make dump's reading of the dumpdates file a bit more robust,
+	preventing dump from crashing when the dumpdates file has
+	been modified by hand.
+
 Changes between versions 0.4b35 and 0.4b36 (released April 21, 2004)
 ====================================================================
 
diff --git a/dump/itime.c b/dump/itime.c
index 6ea6ef9..f2cc763 100644
--- a/dump/itime.c
+++ b/dump/itime.c
@@ -37,7 +37,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: itime.c,v 1.27 2004/04/21 08:55:51 stelian Exp $";
+	"$Id: itime.c,v 1.28 2004/06/17 09:01:15 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -283,9 +283,11 @@ getrecord(FILE *df, struct dumpdates *ddatep)
 	if (fgets(tbuf, sizeof (tbuf), df) == NULL)
 		return(-1);
 	recno++;
-	if (makedumpdate(ddatep, tbuf) < 0)
-		msg("Unknown intermediate format in %s, line %d\n",
+	if (makedumpdate(ddatep, tbuf) < 0) {
+		msg("Unknown format in %s, line %d\n",
 			dumpdates, recno);
+		return(-1);
+	}
 
 #ifdef FDEBUG
 	msg("getrecord: %s %d %s", ddatep->dd_name, ddatep->dd_level,
@@ -301,7 +303,7 @@ makedumpdate(struct dumpdates *ddp, char *tbuf)
 	/* device name */
 	if ( NULL == (tok = strsep( &tbuf, " ")) )
 		return(-1);
-	if ( strlen(tok) >  MAXPATHLEN )
+	if ( !tbuf || strlen(tok) >  MAXPATHLEN )
 		return(-1);
 	strcpy(ddp->dd_name, tok);