Sisyphus repository
Last update: 1 october 2023 | SRPMs: 18631 | Visits: 37708206
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S:6.0-alt5
5.0: 5.52-alt5
4.1: 5.52-alt5
4.0: 5.52-alt4.M40
+updates:5.52-alt4.M40
3.0: 5.52-alt1

Group :: Archiving/Compression
RPM: unzip

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Patch: unzip-6.0-overflow-long-fsize.patch
Download


diff --git a/list.c b/list.c
index f7359c3..4c3d703 100644
--- a/list.c
+++ b/list.c
@@ -97,7 +97,7 @@ int list_files(__G)    /* return PK-type error code */
 {
     int do_this_file=FALSE, cfactor, error, error_in_archive=PK_COOL;
 #ifndef WINDLL
-    char sgn, cfactorstr[10];
+    char sgn, cfactorstr[13];
     int longhdr=(uO.vflag>1);
 #endif
     int date_format;
@@ -339,7 +339,19 @@ int list_files(__G)    /* return PK-type error code */
                 G.crec.compression_method == ENHDEFLATED) {
                 methbuf[5] = dtype[(G.crec.general_purpose_bit_flag>>1) & 3];
             } else if (methnum >= NUM_METHODS) {
-                sprintf(&methbuf[4], "%03u", G.crec.compression_method);
+                /* 2013-02-26 SMS.
+                 * http://sourceforge.net/tracker/?func=detail
+                 *  &aid=2861648&group_id=118012&atid=679786
+                 * Unexpectedly large compression methods overflow
+                 * &methbuf[].  Use the old, three-digit decimal format
+                 * for values which fit.  Otherwise, sacrifice the
+                 * colon, and use four-digit hexadecimal.
+                 */
+                if (G.crec.compression_method <= 999) {
+                    sprintf( &methbuf[ 4], "%03u", G.crec.compression_method);
+                } else {
+                    sprintf( &methbuf[ 3], "%04X", G.crec.compression_method);
+                }
             }
 
 #if 0       /* GRR/Euro:  add this? */
 
design & coding: Vladimir Lettiev aka crux © 2004-2005, Andrew Avramenko aka liks © 2007-2008
current maintainer: Michael Shigorin