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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
#include <iostream>
#include <string>
#include <cstdlib>
#include <archive.h>
#include <archive_entry.h>
#include <unistd.h>
#include "config.h"
int main(int argc, char *argv[])
{
if (argc != 4)
return EXIT_FAILURE;
bool want_env(false);
if (argv[1] == std::string("env"))
want_env = true;
else if (argv[1] == std::string("img"))
want_env = false;
else
return EXIT_FAILURE;
std::string archive_file(argv[2]);
if (0 != chdir(argv[3]))
return EXIT_FAILURE;
archive * archive(archive_read_new());
archive_read_support_compression_all(archive);
archive_read_support_format_all(archive);
if (ARCHIVE_OK != archive_read_open_filename(archive, archive_file.c_str(), 10240))
{
std::cerr << "Could not open '" << archive_file << "'" << std::endl;
return EXIT_FAILURE;
}
archive_entry * entry;
while (ARCHIVE_OK == archive_read_next_header(archive, &entry))
{
std::string archive_filename(archive_entry_pathname(entry));
std::string out_filename;
if (archive_filename == "PBIN/environment" && want_env)
out_filename = "environment";
else if ((! want_env) && (0 != archive_filename.compare(0, 5, "PBIN/", 0, 5)))
out_filename = archive_filename;
else
{
archive_read_data_skip(archive);
continue;
}
std::cout << out_filename << std::endl;
archive_entry_set_pathname(entry, out_filename.c_str());
if (ARCHIVE_OK != archive_read_extract(archive, entry, ARCHIVE_EXTRACT_OWNER |
ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_ACL |
ARCHIVE_EXTRACT_FFLAGS | ARCHIVE_EXTRACT_XATTR | ARCHIVE_EXTRACT_SECURE_NODOTDOT))
{
std::cerr << "Could not extract '" << out_filename << "' from '" << archive_file << "'" << std::endl;
return EXIT_FAILURE;
}
}
if (ARCHIVE_OK != archive_read_finish(archive))
{
std::cerr << "Could not finish reading '" << archive_file << "'" << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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