diff options
Diffstat (limited to 'archival/libunarchive/data_extract_all.c')
-rw-r--r-- | archival/libunarchive/data_extract_all.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c new file mode 100644 index 000000000..20d99aa58 --- /dev/null +++ b/archival/libunarchive/data_extract_all.c @@ -0,0 +1,76 @@ +#include <sys/types.h> +#include <errno.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <utime.h> +#include <unistd.h> +#include <stdlib.h> +#include "libbb.h" +#include "unarchive.h" + +extern void data_extract_all(archive_handle_t *archive_handle) +{ + file_header_t *file_header = archive_handle->file_header; + int dst_fd; + int res; + + if (archive_handle->flags & ARCHIVE_CREATE_LEADING_DIRS) { + char *dir = dirname(strdup(file_header->name)); + make_directory (dir, 0777, FILEUTILS_RECUR); + free(dir); + } + + /* Create the file */ + switch(file_header->mode & S_IFMT) { + case S_IFREG: { +#ifdef CONFIG_CPIO + if (file_header->link_name) { + /* hard link */ + res = link(file_header->link_name, file_header->name); + if ((res == -1) && !(archive_handle->flags & ARCHIVE_EXTRACT_QUIET)) { + perror_msg("Couldnt create hard link"); + } + } else +#endif + { + /* Regular file */ + dst_fd = xopen(file_header->name, O_WRONLY | O_CREAT); + copy_file_chunk_fd(archive_handle->src_fd, dst_fd, file_header->size); + close(dst_fd); + } + break; + } + case S_IFDIR: + 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); + } + break; + case S_IFLNK: + /* Symlink */ + 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); + } + break; + case S_IFSOCK: + case S_IFBLK: + case S_IFCHR: + case S_IFIFO: + 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); + } + break; + } + + chmod(file_header->name, file_header->mode); + chown(file_header->name, file_header->uid, file_header->gid); + + if (archive_handle->flags & ARCHIVE_PRESERVE_DATE) { + struct utimbuf t; + t.actime = t.modtime = file_header->mtime; + utime(file_header->name, &t); + } +} |