/* Return a pointer to the next file in the archive `a' */
static struct pkg_file *
freebsd_get_next_entry(struct archive *a)
{
uint64_t length;
char *str;
struct archive_entry *entry;
const struct stat *sb;
assert(a != NULL);
/* Read the next entry to a buffer. */
if (archive_read_next_header(a, &entry) != ARCHIVE_OK) {
return NULL;
}
/* Allocate enough space for the file and copy it to the string */
length = archive_entry_size(entry);
str = malloc(length+1);
if (!str) {
return NULL;
}
archive_read_data_into_buffer(a, str, length);
str[length] = '\0';
/* Get the needed struct stat from the archive */
sb = archive_entry_stat(entry);
/* Create the pkg_file and return it */
return pkg_file_new_from_buffer(archive_entry_pathname(entry),
length, str, sb);
}
inline void genSafariExtension(const std::string& path, QueryData& results) {
Row r;
r["path"] = path;
// Loop through (Plist key -> table column name) in kSafariExtensionKeys.
struct archive* ext = archive_read_new();
if (ext == nullptr) {
return;
}
// Use open_file, instead of the preferred open_filename for OS X 10.9.
archive_read_support_format_xar(ext);
if (archive_read_open_file(ext, path.c_str(), 10240) != ARCHIVE_OK) {
archive_read_finish(ext);
return;
}
struct archive_entry* entry = nullptr;
while (archive_read_next_header(ext, &entry) == ARCHIVE_OK) {
auto item_path = archive_entry_pathname(entry);
// Documentation for libarchive mentions these APIs may return NULL.
if (item_path == nullptr) {
archive_read_data_skip(ext);
continue;
}
// Assume there is no non-root Info.
if (std::string(item_path).find("Info.plist") == std::string::npos) {
archive_read_data_skip(ext);
continue;
}
// Read the decompressed Info.plist content.
auto content = std::string(archive_entry_size(entry), '\0');
archive_read_data_into_buffer(ext, &content[0], content.size());
// If the Plist can be parsed, extract important keys into columns.
pt::ptree tree;
if (parsePlistContent(content, tree).ok()) {
for (const auto& it : kSafariExtensionKeys) {
r[it.second] = tree.get(it.first, "");
}
}
break;
}
archive_read_close(ext);
archive_read_finish(ext);
results.push_back(std::move(r));
}
