Correct the value of rest_read_compressed when decompressing an encrypted zip

zmodem · zmodem · commit 31e3e589153d · 2025-01-09T14:14:24.000+01:00
diff --git a/contrib/minizip/unzip.c b/contrib/minizip/unzip.c
@@ -1498,6 +1498,7 @@ extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method,
             zdecode(s->keys,s->pcrc_32_tab,source[i]);
 
         s->pfile_in_zip_read->pos_in_zipfile+=12;
+        s->pfile_in_zip_read->rest_read_compressed-=12;
         s->encrypted=1;
     }
 #    endif

Original file line number	Diff line number	Diff line change
`@@ -1498,6 +1498,7 @@ extern int ZEXPORT unzOpenCurrentFile3(unzFile file, int* method,`
`1498`	`1498`	`zdecode(s->keys,s->pcrc_32_tab,source[i]);`
`1499`	`1499`
`1500`	`1500`	`s->pfile_in_zip_read->pos_in_zipfile+=12;`
	`1501`	`+ s->pfile_in_zip_read->rest_read_compressed-=12;`
`1501`	`1502`	`s->encrypted=1;`
`1502`	`1503`	`}`
`1503`	`1504`	`# endif`