#include <security/pam_modules.h> #include <algorithm> #include <vector> #include <string> #include "conversation.h" #include "pam.h" pam_token_conversation::pam_token_conversation (pam_handle_t *pamh, const pam_p pam) { pam_conversation_p pam_conversation; int get_conversation_result = pam->get_conversation (pamh, pam_conversation); if (get_conversation_result != 0) { return; } struct pam_message prompt; std::string message ("Dual control token: "); prompt.msg = const_cast<char *> (message.c_str()); prompt.msg_style = PAM_PROMPT_ECHO_OFF; std::vector<const struct pam_message *> prompts (1); prompts[0] = &prompt; std::vector<struct pam_response *> answers (1); int conversation_result = pam_conversation->conv (prompts, answers); if (conversation_result) { return; } if (answers[0]->resp_retcode) { return; } std::string answer (answers[0]->resp); std::string::iterator delim = std::find (answer.begin(), answer.end(), ':'); if (delim == answer.end()) { return; } std::string user_name (answer.begin(), delim); std::string token (delim + 1, answer.end()); user_ = user_name; token_ = token; } std::string pam_token_conversation::token() { return token_; } std::string pam_token_conversation::user_name() { return user_; }