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-rw-r--r--block/tar.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/block/tar.c b/block/tar.c
index 2f42d20ab..6855a1adf 100644
--- a/block/tar.c
+++ b/block/tar.c
@@ -83,7 +83,8 @@ static int str_ends(char *str, const char *end)
return !strncmp(str + str_len - end_len, end, end_len);
}
-static int is_target_file(BlockDriverState *bs, char *filename)
+static int is_target_file(BlockDriverState *bs, char *filename,
+ char *header)
{
int retval = 0;
@@ -99,10 +100,17 @@ static int is_target_file(BlockDriverState *bs, char *filename)
if (str_ends(filename, ".vmdk"))
retval = 1;
+ if (retval &&
+ (header[OFFS_TYPE] != '0') &&
+ (header[OFFS_TYPE] != 'S')) {
+ retval = 0;
+ }
+
dprintf("does filename %s match? %s\n", filename, retval ? "yes" : "no");
/* make sure we're not using this name again */
filename[0] = '\0';
+
return retval;
}
@@ -229,12 +237,13 @@ static int tar_open(BlockDriverState *bs, QDict *options, int flags, Error **err
bdrv_pread(s->hd, header_offs - s->file_len, s->longfile,
sizeof(s->longfile));
s->longfile[sizeof(s->longfile)-1] = '\0';
+ real_file = header;
} else if (s->longfile[0]) {
real_file = s->longfile;
} else {
real_file = header;
}
- } while(!is_target_file(bs, real_file));
+ } while(!is_target_file(bs, real_file, header));
/* We found an image! */