auth.c File Reference

#include "auth.h"
#include <arpa/inet.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "../cl/macros.h"

Data Structures
struct	_Grant
	Internal data structure: name of a corpus to which access is granted. More...
struct	_UserEntry
	Internal data structure: a username, the user's password, and the top of a linked list of Grants. More...
struct	_HostEntry
	Internal data structure: member of list of IP addresses from which messages are accepted. More...

Typedefs
typedef struct _Grant	Grant
	Internal data structure: name of a corpus to which access is granted. More...
typedef struct _UserEntry	UserEntry
	Internal data structure: a username, the user's password, and the top of a linked list of Grants. More...
typedef struct _HostEntry	HostEntry
	Internal data structure: member of list of IP addresses from which messages are accepted. More...

Functions
UserEntry *	find_user (char *username)
	Finds an entry the user with the specified username on the global user list. More...
void	add_user_to_list (char *user, char *passwd)
void	add_grant_to_last_user (char *corpus)
void	add_host_to_list (char *ipaddr)
void	add_hosts_in_subnet_to_list (char *ipsubnet)
int	check_host (struct in_addr host_addr)
	returns true if host is in list of allowed hosts More...
int	authenticate_user (char *username, char *passwd)
	returns true if (user, passwd) pair is in list of allowed users More...
int	check_grant (char *username, char *corpus)
	returns true if user may access corpus More...
void	show_grants (void)
	for debugging only More...

Variables
UserEntry *	authorized_users = NULL
	global variable for user list More...
HostEntry *	authorized_hosts = NULL
	global variable for host list More...

Typedef Documentation

typedef struct _Grant Grant

Internal data structure: name of a corpus to which access is granted.

typedef struct _HostEntry HostEntry

Internal data structure: member of list of IP addresses from which messages are accepted.

typedef struct _UserEntry UserEntry

Internal data structure: a username, the user's password, and the top of a linked list of Grants.

Function Documentation

void add_grant_to_last_user

(

char *

corpus

)

void add_host_to_list

(

char *

ipaddr

)

Referenced by add_hosts_in_subnet_to_list(), and main().

void add_hosts_in_subnet_to_list

(

char *

ipsubnet

)

void add_user_to_list	(	char *	user,
		char *	passwd
	)

Referenced by main().

int authenticate_user	(	char *	username,
		char *	passwd
	)

returns true if (user, passwd) pair is in list of allowed users

Referenced by main().

int check_grant	(	char *	username,
		char *	corpus
	)

returns true if user may access corpus

Referenced by main().

int check_host

(

struct in_addr

host_addr

)

returns true if host is in list of allowed hosts

Referenced by accept_connection().

UserEntry* find_user

(

char *

username

)

Finds an entry the user with the specified username on the global user list.

See also

authorized_users

References authorized_users, _UserEntry::name, _UserEntry::next, and user.

Referenced by add_user_to_list(), authenticate_user(), and check_grant().

void show_grants

(

void

)

for debugging only

Variable Documentation

HostEntry* authorized_hosts = NULL

global variable for host list

Referenced by add_host_to_list().

UserEntry* authorized_users = NULL

global variable for user list

Referenced by add_user_to_list(), and find_user().