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/*
** Copyright 1998 - 2000 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "auth.h"
#include "authmod.h"
#include "authstaticlist.h"
#include "debug.h"
static const char rcsid[]="$Id: authuserdb.c,v 1.19 2004/04/18 15:54:39 mrsam Exp $";
extern void auth_userdb_enumerate( void(*cb_func)(const char *name,
uid_t uid,
gid_t gid,
const char *homedir,
const char *maildir,
void *void_arg),
void *void_arg);
extern int auth_userdb_pre_common(const char *, const char *, int,
int (*callback)(struct authinfo *, void *),
void *arg);
extern void auth_userdb_cleanup();
struct callback_info {
const char *pass;
char *userret;
int issession;
void (*callback_func)(struct authinfo *, void *);
void *callback_arg;
};
static int callback_userdb(struct authinfo *a, void *p)
{
struct callback_info *i=(struct callback_info *)p;
if (a->passwd == 0)
{
dprintf("no password available to compare");
return (-1);
}
if (authcheckpassword(i->pass, a->passwd))
return (-1);
if ((i->userret=strdup(a->sysusername)) == 0)
{
perror("malloc");
return (1);
}
if (i->callback_func == 0)
{
static char *prevp=0;
const char *cp=a->maildir;
char *p;
if (!cp) cp="";
p=malloc(sizeof("MAILDIR=")+strlen(cp));
if (!p)
{
perror("malloc");
free(i->userret);
return (1);
}
strcat(strcpy(p, "MAILDIR="), cp);
putenv(p);
if (prevp) free(prevp);
prevp=p;
}
if (i->callback_func == 0)
{
static char *prevp=0;
const char *cp=a->options;
char *p;
if (!cp) cp="";
p=malloc(sizeof("OPTIONS=")+strlen(cp));
if (!p)
{
perror("malloc");
free(i->userret);
return (1);
}
strcat(strcpy(p, "OPTIONS="), cp);
putenv(p);
if (prevp) free(prevp);
prevp=p;
}
if (i->callback_func == 0)
{
static char *prevp=0;
const char *cp=a->quota;
char *p;
if (!cp) cp="";
p=malloc(sizeof("MAILDIRQUOTA=")+strlen(cp));
if (!p)
{
perror("malloc");
free(i->userret);
return (1);
}
strcat(strcpy(p, "MAILDIRQUOTA="), cp);
putenv(p);
if (prevp) free(prevp);
prevp=p;
authsuccess(a->homedir, 0, a->sysuserid,
&a->sysgroupid, a->address, a->fullname);
}
else
{
a->address=a->sysusername;
(*i->callback_func)(a, i->callback_arg);
}
return (0);
}
char *auth_userdb(const char *service, const char *authtype, char *authdata,
int issession,
void (*callback_func)(struct authinfo *, void *), void *callback_arg)
{
const char *user, *pass;
int rc;
struct callback_info ci;
if (strcmp(authtype, AUTHTYPE_LOGIN) ||
(user=strtok(authdata, "\n")) == 0 ||
(pass=strtok(0, "\n")) == 0)
{
dprintf("authuserdb only handles authtype=" AUTHTYPE_LOGIN);
errno=EPERM;
return (0);
}
ci.pass=pass;
ci.callback_func=callback_func;
ci.callback_arg=callback_arg;
ci.issession=issession;
rc=auth_userdb_pre_common(user, service, 1, &callback_userdb, &ci);
auth_userdb_cleanup();
if (rc < 0)
{
errno=EPERM;
return (0);
}
if (rc > 0)
{
errno=EACCES;
return (0);
}
return (ci.userret);
}
extern int auth_userdb_pre(const char *userid, const char *service,
int (*callback)(struct authinfo *, void *),
void *arg);
extern int auth_userdb_passwd(const char *service,
const char *userid,
const char *opwd_buf,
const char *npwd_buf);
struct authstaticinfo authuserdb_info={
"authuserdb",
auth_userdb,
auth_userdb_pre,
auth_userdb_cleanup,
auth_userdb_passwd,
NULL,
auth_userdb_enumerate};
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