Unlink before mkdir, mknod, symlink to overwrite

1 files changed, 3 insertions, 0 deletions

diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c
index dda514771..7ab87e73e 100644
--- a/archival/libunarchive/data_extract_all.c
+++ b/archival/libunarchive/data_extract_all.c
@@ -60,6 +60,7 @@ extern void data_extract_all(archive_handle_t *archive_handle)
                         break;
                 }
                 case S_IFDIR:
+                        unlink(file_header->name);
                         res = mkdir(file_header->name, file_header->mode);
                         if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
                                 perror_msg("extract_archive: %s", file_header->name);
@@ -67,6 +68,7 @@ extern void data_extract_all(archive_handle_t *archive_handle)
                         break;
                 case S_IFLNK:
                         /* Symlink */
+                        unlink(file_header->name);
                         res = symlink(file_header->link_name, file_header->name);
                         if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
                                 perror_msg("Cannot create symlink from %s to '%s'", file_header->name, file_header->link_name);
@@ -76,6 +78,7 @@ extern void data_extract_all(archive_handle_t *archive_handle)
                 case S_IFBLK:
                 case S_IFCHR:
                 case S_IFIFO:
+                        unlink(file_header->name);
                         res = mknod(file_header->name, file_header->mode, file_header->device);
                         if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) {
                                 perror_msg("Cannot create node %s", file_header->name);