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torben |
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#include "pamwrapper.h" |
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#include <string> |
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#include <vector> |
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using std::string; |
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using std::vector; |
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extern "C" int conversation(int num_msg, const pam_message **msg, |
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pam_response **resp, void *appdata_prt) |
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{ |
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if (num_msg <= 0) |
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return PAM_CONV_ERR; |
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PamWrapper *wrap = (PamWrapper*) appdata_prt; |
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pam_response* reply = static_cast<pam_response*> |
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(::calloc(num_msg, sizeof(pam_response))); |
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if (!reply) |
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return PAM_SYSTEM_ERR; |
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for (int replies = 0; replies < num_msg; replies++) { |
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switch (msg[replies]->msg_style) { |
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case PAM_PROMPT_ECHO_OFF: { |
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string tmp = wrap->promptEchoOff(msg[replies]->msg); |
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reply[replies].resp = (char*) tmp.c_str(); |
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reply[replies].resp_retcode = PAM_SUCCESS; |
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break; |
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} |
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case PAM_PROMPT_ECHO_ON: { |
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string tmp = wrap->promptEchoOn(msg[replies]->msg); |
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reply[replies].resp = (char*) tmp.c_str(); |
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reply[replies].resp_retcode = PAM_SUCCESS; |
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break; |
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} |
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case PAM_ERROR_MSG: { |
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wrap->errorMsg(msg[replies]->msg); |
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reply[replies].resp_retcode = PAM_SUCCESS; |
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break; |
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} |
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case PAM_TEXT_INFO: { |
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wrap->textInfo(msg[replies]->msg); |
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reply[replies].resp_retcode = PAM_SUCCESS; |
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break; |
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} |
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default: |
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::free(reply); |
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return PAM_CONV_ERR; |
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} |
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} |
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*resp = reply; |
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return PAM_SUCCESS; |
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} |
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PamWrapper::PamWrapper(string service ) |
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{ |
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m_pamh = NULL; |
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m_isStarted = false; |
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m_service = service; |
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m_conv.conv = conversation; |
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m_conv.appdata_ptr = (void*)this; |
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} |
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PamWrapper::~PamWrapper() |
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{ |
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if ( m_isStarted ) |
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end(); |
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} |
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int PamWrapper::start(string username) |
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{ |
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m_isStarted = true; |
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if (username.size() == 0) |
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return pam_start(m_service.c_str(), NULL, &m_conv, &m_pamh); |
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else |
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return pam_start(m_service.c_str(), username.c_str(), &m_conv, &m_pamh); |
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} |
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int PamWrapper::end(int status) |
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{ |
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m_isStarted = false; |
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return pam_end(m_pamh,status); |
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} |
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int PamWrapper::authenticate( int flags ) |
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{ |
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return pam_authenticate(m_pamh, flags); |
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} |
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int PamWrapper::account(int flags ) |
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{ |
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return pam_acct_mgmt(m_pamh, flags); |
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} |
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int PamWrapper::setCred(int flags) |
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{ |
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return pam_setcred(m_pamh,flags); |
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} |
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int PamWrapper::openSession(int flags) |
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{ |
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return pam_open_session(m_pamh, flags); |
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} |
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int PamWrapper::closeSession(int flags) |
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{ |
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return pam_close_session(m_pamh, flags); |
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} |
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int PamWrapper::changeAuthToken(int flags) |
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{ |
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return pam_chauthtok(m_pamh, flags); |
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} |
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string PamWrapper::strError(int err) |
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{ |
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return pam_strerror(m_pamh, err); |
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} |
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int PamWrapper::putEnv(string nameValue) |
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{ |
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return pam_putenv(m_pamh, nameValue.c_str() ); |
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} |
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string PamWrapper::getEnv(string name) |
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{ |
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const char *buf = pam_getenv(m_pamh, name.c_str() ); |
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return (buf != NULL) ? string(buf) : string("NULL"); |
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} |
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int PamWrapper::failDelay(unsigned int usec) |
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{ |
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#ifdef PAM_FAIL_DELAY |
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return pam_fail_delay(m_pamh, usec); |
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#else |
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#warning PAM_FAIL_DELAY not defined |
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return 0; |
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#endif //PAM_FAIL_DELAY |
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} |
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int PamWrapper::setItem(int item_type, const void *item) |
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{ |
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return pam_set_item(m_pamh, item_type, item); |
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} |
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int PamWrapper::getItem(int item_type, const void **item) |
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{ |
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return pam_get_item(m_pamh, item_type, item); |
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} |
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bool PamWrapper::checkUser(string username, bool checkAccount) |
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{ |
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this->start(username); |
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int auth = this->authenticate(); |
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int acc = checkAccount ? this->account() : PAM_SUCCESS; |
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this->end(); |
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return (auth == PAM_SUCCESS && acc == PAM_SUCCESS); |
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} |
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/* |
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vector<string> PamWrapper::getEnvList() |
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{ |
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vector<string> output; |
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char **buf = pam_getenvlist(m_pamh); |
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for (char **ptr = buf; ptr != NULL; ptr++) { |
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string tmp = string(*ptr); |
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output.push_back(tmp); |
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} |
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std::free(buf); |
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return output; |
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} |
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*/ |