userinfo-passwd.c revision 5254d77805cd35b9356d072ba325c356c43b0d51
/*
Loosely based on auth_passwd.c from popa3d by
Solar Designer <solar@openwall.com>
Copyright (C) 2002 Timo Sirainen
*/
#include "config.h"
#undef HAVE_CONFIG_H
#ifdef USERINFO_PASSWD
#include "userinfo-passwd.h"
#include "mycrypt.h"
void passwd_fill_cookie_reply(struct passwd *pw, AuthCookieReplyData *reply)
{
i_assert(sizeof(reply->system_user) > strlen(pw->pw_name));
i_assert(sizeof(reply->virtual_user) > strlen(pw->pw_name));
i_assert(sizeof(reply->home) > strlen(pw->pw_dir));
reply->uid = pw->pw_uid;
reply->gid = pw->pw_gid;
strcpy(reply->system_user, pw->pw_name);
strcpy(reply->virtual_user, pw->pw_name);
strcpy(reply->home, pw->pw_dir);
}
static int passwd_verify_plain(const char *user, const char *password,
AuthCookieReplyData *reply)
{
struct passwd *pw;
int result;
pw = getpwnam(user);
if (pw == NULL || !IS_VALID_PASSWD(pw->pw_passwd))
return FALSE;
/* check if the password is valid */
result = strcmp(mycrypt(password, pw->pw_passwd), pw->pw_passwd) == 0;
/* clear the passwords from memory */
safe_memset(pw->pw_passwd, 0, strlen(pw->pw_passwd));
if (!result)
return FALSE;
/* password ok, save the user info */
passwd_fill_cookie_reply(pw, reply);
return TRUE;
}
static void passwd_deinit(void)
{
endpwent();
}
UserInfoModule userinfo_passwd = {
NULL,
passwd_deinit,
passwd_verify_plain,
NULL
};
#endif