checkuser/cpp/pamwrapper.h

#ifndef PAMWRAPPER_H
#define PAMWRAPPER_H

#include <security/pam_appl.h>
#include <security/pam_misc.h>

#include <string>

/* virtual class - cannot be instantiated
 * you have to create a derived class and implement/override the 4
 * virtual memberfunctions of this class 
 */

class PamWrapper {
private:
        pam_handle_t *m_pamh;
        bool m_isStarted;
        std::string m_service;
        pam_conv m_conv;
public:
        PamWrapper(std::string service);
        virtual ~PamWrapper();

        // standard PAM functions
        int start(std::string username = "");
        int authenticate(int flags = 0);
        int account(int flags = 0);
        int end(int status = 0);

        int setCred(int flags = 0);
        int openSession(int flags = 0);
        int closeSession(int flags = 0);
        int changeAuthToken(int flags = 0);

        // PAM utility functions
        std::string strError(int err);
        int putEnv(std::string nameValue);
        std::string getEnv(std::string name);
        //std::vector<std::string> getEnvList();

        int setItem(int item_type, const void *item);
        int getItem(int item_type, const void **item);
        int failDelay(unsigned int usec);

        //override these functions, in your derived class
        virtual std::string promptEchoOff(std::string prompt) = 0;
        virtual std::string promptEchoOn(std::string prompt) = 0;
        virtual void errorMsg(std::string msg) = 0;
        virtual void textInfo(std::string msg) = 0;

        //all-in-one function
        //calls start(), authenticate(), account() and end()
        //returns true if auth and account where OK
        bool checkUser(std::string username = "", bool checkAccount = true);
};


#endif //PAMWRAPPER_H
1	#ifndef PAMWRAPPER_H
2	#define PAMWRAPPER_H
3
4	#include <security/pam_appl.h>
5	#include <security/pam_misc.h>
6
7	#include <string>
8
9	/* virtual class - cannot be instantiated
10	* you have to create a derived class and implement/override the 4
11	* virtual memberfunctions of this class
12	*/
13
14	class PamWrapper {
15	private:
16	pam_handle_t *m_pamh;
17	bool m_isStarted;
18	std::string m_service;
19	pam_conv m_conv;
20	public:
21	PamWrapper(std::string service);
22	virtual ~PamWrapper();
23
24	// standard PAM functions
25	int start(std::string username = "");
26	int authenticate(int flags = 0);
27	int account(int flags = 0);
28	int end(int status = 0);
29
30	int setCred(int flags = 0);
31	int openSession(int flags = 0);
32	int closeSession(int flags = 0);
33	int changeAuthToken(int flags = 0);
34
35	// PAM utility functions
36	std::string strError(int err);
37	int putEnv(std::string nameValue);
38	std::string getEnv(std::string name);
39	//std::vector<std::string> getEnvList();
40
41	int setItem(int item_type, const void *item);
42	int getItem(int item_type, const void **item);
43	int failDelay(unsigned int usec);
44
45	//override these functions, in your derived class
46	virtual std::string promptEchoOff(std::string prompt) = 0;
47	virtual std::string promptEchoOn(std::string prompt) = 0;
48	virtual void errorMsg(std::string msg) = 0;
49	virtual void textInfo(std::string msg) = 0;
50
51	//all-in-one function
52	//calls start(), authenticate(), account() and end()
53	//returns true if auth and account where OK
54	bool checkUser(std::string username = "", bool checkAccount = true);
55	};
56
57
58	#endif //PAMWRAPPER_H