#include "config.h"
+#include "stg/user.h"
#include "stg/common.h"
#include <vector>
struct ParserError : public std::runtime_error
{
+ ParserError(const std::string& message)
+ : runtime_error("Config is not valid. " + message),
+ position(0),
+ error(message)
+ {}
ParserError(size_t pos, const std::string& message)
: runtime_error("Parsing error at position " + x2str(pos) + ". " + message),
position(pos),
std::pair<size_t, std::string> readString(const std::string& value, size_t start)
{
std::string dest;
- while (start < value.length() && !std::isspace(value[start]))
+ while (start < value.length() && !std::isspace(value[start]) &&
+ value[start] != ',' && value[start] != '(' && value[start] != ')')
dest.push_back(value[start++]);
if (dest.empty()) {
if (start == value.length())
while (start < value.size()) {
Config::Pair pair;
start = skipSpaces(value, start);
+ if (!res.empty())
+ {
+ start = checkChar(value, start, ',');
+ start = skipSpaces(value, start);
+ }
size_t pairStart = start;
start = checkChar(value, start, '(');
- std::pair<size_t, std::string> key = readString(value, start);
+ const std::pair<size_t, std::string> key = readString(value, start);
start = key.first;
pair.first = key.second;
start = skipSpaces(value, start);
start = checkChar(value, start, ',');
start = skipSpaces(value, start);
- std::pair<size_t, std::string> val = readString(value, start);
- start = key.first;
+ const std::pair<size_t, std::string> val = readString(value, start);
+ start = val.first;
pair.second = val.second;
start = skipSpaces(value, start);
start = checkChar(value, start, ')');
return values[0];
}
+uid_t toUID(const std::vector<std::string>& values)
+{
+ if (values.empty())
+ return -1;
+ uid_t res = str2uid(values[0]);
+ if (res == static_cast<uid_t>(-1))
+ throw ParserError("Invalid user name: '" + values[0] + "'");
+ return res;
+}
+
+gid_t toGID(const std::vector<std::string>& values)
+{
+ if (values.empty())
+ return -1;
+ gid_t res = str2gid(values[0]);
+ if (res == static_cast<gid_t>(-1))
+ throw ParserError("Invalid group name: '" + values[0] + "'");
+ return res;
+}
+
+mode_t toMode(const std::vector<std::string>& values)
+{
+ if (values.empty())
+ return -1;
+ mode_t res = str2mode(values[0]);
+ if (res == static_cast<mode_t>(-1))
+ throw ParserError("Invalid mode: '" + values[0] + "'");
+ return res;
+}
+
template <typename T>
T toInt(const std::vector<std::string>& values)
{
return 0;
}
-Config::Pairs parseVector(const std::string& paramName, const MODULE_SETTINGS& params)
+uint16_t toPort(const std::string& value)
+{
+ if (value.empty())
+ return 0;
+ uint16_t res = 0;
+ if (str2x(value, res) == 0)
+ return res;
+ throw ParserError("'" + value + "' is not a valid port number.");
+}
+
+typedef std::map<std::string, Config::ReturnCode> Codes;
+
+// One-time call to initialize the list of codes.
+Codes getCodes()
+{
+ Codes res;
+ res["reject"] = Config::REJECT;
+ res["fail"] = Config::FAIL;
+ res["ok"] = Config::OK;
+ res["handled"] = Config::HANDLED;
+ res["invalid"] = Config::INVALID;
+ res["userlock"] = Config::USERLOCK;
+ res["notfound"] = Config::NOTFOUND;
+ res["noop"] = Config::NOOP;
+ res["updated"] = Config::UPDATED;
+ return res;
+}
+
+Config::ReturnCode toReturnCode(const std::vector<std::string>& values)
+{
+ static Codes codes(getCodes());
+ if (values.empty())
+ return Config::REJECT;
+ std::string code = ToLower(values[0]);
+ const Codes::const_iterator it = codes.find(code);
+ if (it == codes.end())
+ return Config::REJECT;
+ return it->second;
+}
+
+Config::Pairs parseVector(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
{
- for (size_t i = 0; i < params.moduleParams.size(); ++i)
- if (params.moduleParams[i].param == paramName)
- return toPairs(params.moduleParams[i].value);
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toPairs(params[i].value);
return Config::Pairs();
}
-bool parseBool(const std::string& paramName, const MODULE_SETTINGS& params)
+Config::Authorize parseAuthorize(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return Config::Authorize(toPairs(params[i].value));
+ return Config::Authorize();
+}
+
+Config::ReturnCode parseReturnCode(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toReturnCode(params[i].value);
+ return Config::REJECT;
+}
+
+bool parseBool(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
{
- for (size_t i = 0; i < params.moduleParams.size(); ++i)
- if (params.moduleParams[i].param == paramName)
- return toBool(params.moduleParams[i].value);
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toBool(params[i].value);
return false;
}
-std::string parseString(const std::string& paramName, const MODULE_SETTINGS& params)
+std::string parseString(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
{
- for (size_t i = 0; i < params.moduleParams.size(); ++i)
- if (params.moduleParams[i].param == paramName)
- return toString(params.moduleParams[i].value);
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toString(params[i].value);
return "";
}
-template <typename T>
-T parseInt(const std::string& paramName, const MODULE_SETTINGS& params)
+std::string parseAddress(Config::Type connectionType, const std::string& value)
{
- for (size_t i = 0; i < params.moduleParams.size(); ++i)
- if (params.moduleParams[i].param == paramName)
- return toInt<T>(params.moduleParams[i].value);
- return 0;
+ size_t pos = value.find_first_of(':');
+ if (pos == std::string::npos)
+ throw ParserError("Connection type is not specified. Should be either 'unix' or 'tcp'.");
+ if (connectionType == Config::UNIX)
+ return value.substr(pos + 1);
+ std::string address(value.substr(pos + 1));
+ pos = address.find_first_of(':', pos + 1);
+ if (pos == std::string::npos)
+ throw ParserError("Port is not specified.");
+ return address.substr(0, pos - 1);
+}
+
+std::string parsePort(Config::Type connectionType, const std::string& value)
+{
+ size_t pos = value.find_first_of(':');
+ if (pos == std::string::npos)
+ throw ParserError("Connection type is not specified. Should be either 'unix' or 'tcp'.");
+ if (connectionType == Config::UNIX)
+ return "";
+ std::string address(value.substr(pos + 1));
+ pos = address.find_first_of(':', pos + 1);
+ if (pos == std::string::npos)
+ throw ParserError("Port is not specified.");
+ return address.substr(pos + 1);
+}
+
+Config::Type parseConnectionType(const std::string& address)
+{
+ size_t pos = address.find_first_of(':');
+ if (pos == std::string::npos)
+ throw ParserError("Connection type is not specified. Should be either 'unix' or 'tcp'.");
+ std::string type = ToLower(address.substr(0, pos));
+ if (type == "unix")
+ return Config::UNIX;
+ else if (type == "tcp")
+ return Config::TCP;
+ throw ParserError("Invalid connection type. Should be either 'unix' or 'tcp', got '" + type + "'");
+}
+
+Config::Section parseSection(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return Config::Section(parseVector("match", params[i].sections),
+ parseVector("modify", params[i].sections),
+ parseVector("reply", params[i].sections),
+ parseReturnCode("no_match", params[i].sections),
+ parseAuthorize("authorize", params[i].sections));
+ return Config::Section();
+}
+
+uid_t parseUID(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toUID(params[i].value);
+ return -1;
+}
+
+gid_t parseGID(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toGID(params[i].value);
+ return -1;
+}
+
+mode_t parseMode(const std::string& paramName, const std::vector<PARAM_VALUE>& params)
+{
+ for (size_t i = 0; i < params.size(); ++i)
+ if (params[i].param == paramName)
+ return toMode(params[i].value);
+ return -1;
}
} // namespace anonymous
+bool Config::Authorize::check(const USER& user, const Config::Pairs& radiusData) const
+{
+ if (!m_auth)
+ return false; // No flag - no authorization.
+
+ if (m_cond.empty())
+ return true; // Empty parameter - always authorize.
+
+ Config::Pairs::const_iterator it = m_cond.begin();
+ for (; it != m_cond.end(); ++it)
+ {
+ const Config::Pairs::const_iterator pos = radiusData.find(it->first);
+ if (pos == radiusData.end())
+ return false; // No required Radius parameter.
+ if (user.GetParamValue(it->second) != pos->second)
+ return false; // No match with the user.
+ }
+
+ return true;
+}
+
Config::Config(const MODULE_SETTINGS& settings)
- : match(parseVector("match", settings)),
- modify(parseVector("modify", settings)),
- reply(parseVector("reply", settings)),
- verbose(parseBool("verbose", settings)),
- bindAddress(parseString("bind_address", settings)),
- portStr(parseString("port", settings)),
- port(parseInt<uint16_t>("port", settings)),
- key(parseString("key", settings))
+ : autz(parseSection("autz", settings.moduleParams)),
+ auth(parseSection("auth", settings.moduleParams)),
+ postauth(parseSection("postauth", settings.moduleParams)),
+ preacct(parseSection("preacct", settings.moduleParams)),
+ acct(parseSection("acct", settings.moduleParams)),
+ verbose(parseBool("verbose", settings.moduleParams)),
+ address(parseString("bind_address", settings.moduleParams)),
+ connectionType(parseConnectionType(address)),
+ bindAddress(parseAddress(connectionType, address)),
+ portStr(parsePort(connectionType, address)),
+ port(toPort(portStr)),
+ key(parseString("key", settings.moduleParams)),
+ sockUID(parseUID("sock_owner", settings.moduleParams)),
+ sockGID(parseGID("sock_group", settings.moduleParams)),
+ sockMode(parseMode("sock_mode", settings.moduleParams))
{
+ size_t count = 0;
+ if (autz.authorize.exists())
+ ++count;
+ if (auth.authorize.exists())
+ ++count;
+ if (postauth.authorize.exists())
+ ++count;
+ if (preacct.authorize.exists())
+ ++count;
+ if (acct.authorize.exists())
+ ++count;
+ if (count > 0)
+ throw ParserError("Authorization flag is specified in more than one section.");
}
git.stg.codes / stg.git / blobdiff