63 lines
1.8 KiB
C++
Executable File
63 lines
1.8 KiB
C++
Executable File
#pragma once
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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 <rublon/non_owning_ptr.hpp>
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#include <rublon/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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char buf[256]={};
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sprintf(buf, fmt, std::forward< Ti >(ti)...);
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log(LogLevel::Debug, "pam_print: '%s'", buf);
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if(auto r = pam_prompt(pamh, PAM_TEXT_INFO, nullptr, fmt, std::forward< Ti >(ti)...); r != PAM_SUCCESS){
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log(LogLevel::Error, "pam_print returned with error code %d", r);
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}
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}
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template < typename Fun, typename... Ti >
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auto scan(Fun && f, const char * fmt, Ti... ti) const noexcept {
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char * response = nullptr;
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pam_prompt(pamh, PAM_PROMPT_ECHO_ON, &response, fmt, std::forward< Ti >(ti)...);
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if(response) {
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auto ret = f(response);
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free(response);
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return ret;
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}
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return std::result_of_t< Fun(char *) >();
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}
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};
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} // namespace rublon
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