66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
#pragma once
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#include <security/pam_ext.h>
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#include <security/pam_appl.h>
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#include <security/pam_client.h>
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#include <security/pam_ext.h>
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#include <security/pam_misc.h>
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#include <security/pam_modules.h>
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#include <optional>
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#include <string>
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#include <system_error>
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#include <type_traits>
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#include <utility>
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#include <memory>
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#include "utils.hpp"
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namespace rublon {
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class LinuxPam {
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pam_handle_t * pamh;
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public:
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LinuxPam(pam_handle_t * handler) : pamh{handler} {}
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rublon::NonOwningPtr< const char > ip() const {
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const void * ip = NULL;
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pam_get_item(pamh, PAM_RHOST, &ip);
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if(ip == NULL) {
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rublon::log(rublon::LogLevel::Warning, "Cant read user from linux PAM");
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ip = "";
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}
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return ( const char * ) ip;
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}
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rublon::NonOwningPtr< const char > username() const {
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const char * user = NULL;
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pam_get_user(pamh, &user, nullptr);
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if(user == NULL) {
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rublon::log(rublon::LogLevel::Warning, "Cant read user from linux PAM");
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user = "";
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}
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return user;
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}
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template < typename... Ti >
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void print(const char * fmt, Ti... ti) const noexcept {
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pam_prompt(pamh, PAM_TEXT_INFO, nullptr, fmt, std::forward< Ti >(ti)...);
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}
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template < typename Fun, typename... Ti >
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[[nodiscard]] auto scan(Fun && f, const char * fmt, Ti... ti) const noexcept {
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char * responseBuffer = nullptr;
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pam_prompt(pamh, PAM_PROMPT_ECHO_ON, &responseBuffer, fmt, std::forward< Ti >(ti)...);
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if(responseBuffer) {
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auto ret = f(responseBuffer);
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free(responseBuffer);
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return std::optional{ret};
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}
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return std::optional< std::result_of_t< Fun(char *) > >();
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}
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};
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} // namespace rublon
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