bool GenerateAuthCookie(std::string *cookie_out)
{
const size_t COOKIE_SIZE = 32;
unsigned char rand_pwd[COOKIE_SIZE];
GetRandBytes(rand_pwd, COOKIE_SIZE);
std::string cookie = COOKIEAUTH_USER + ":" + HexStr(rand_pwd, rand_pwd+COOKIE_SIZE);
/** the umask determines what permissions are used to create this file -
* these are set to 077 in init.cpp unless overridden with -sysperms.
*/
std::ofstream file;
fs::path filepath_tmp = GetAuthCookieFile(true);
file.open(filepath_tmp.string().c_str());
if (!file.is_open()) {
LogPrintf("Unable to open cookie authentication file %s for writing\n", filepath_tmp.string());
return false;
}
file << cookie;
file.close();
fs::path filepath = GetAuthCookieFile(false);
if (!RenameOver(filepath_tmp, filepath)) {
LogPrintf("Unable to rename cookie authentication file %s to %s\n", filepath_tmp.string(), filepath.string());
return false;
}
LogPrintf("Generated RPC authentication cookie %s\n", filepath.string());
if (cookie_out)
*cookie_out = cookie;
return true;
}
void DeleteAuthCookie()
{
try {
fs::remove(GetAuthCookieFile());
} catch (const fs::filesystem_error& e) {
LogPrintf("%s: Unable to remove random auth cookie file: %s\n", __func__, e.what());
}
}
void DeleteAuthCookie()
{
try {
fs::remove(GetAuthCookieFile());
} catch (const fs::filesystem_error& e) {
LogPrintf("%s: Unable to remove random auth cookie file: %s\n", __func__, fsbridge::get_filesystem_error_message(e));
}
}
bool GetAuthCookie(std::string *cookie_out)
{
std::ifstream file;
std::string cookie;
fs::path filepath = GetAuthCookieFile();
file.open(filepath.string().c_str());
if (!file.is_open())
return false;
std::getline(file, cookie);
file.close();
if (cookie_out)
*cookie_out = cookie;
return true;
}
