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modification to use pam_usb on account context #11

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modification to use pam_usb on account context #11

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61 changes: 60 additions & 1 deletion src/pam.c
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Original file line number Diff line number Diff line change
Expand Up @@ -99,13 +99,72 @@ int pam_sm_setcred(pam_handle_t *pamh,int flags,int argc,
return (PAM_SUCCESS);
}

PAM_EXTERN
int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
int argc, const char **argv)
{
t_pusb_options opts;
const char *service;
const char *user;
const char *tty;
char *conf_file = PUSB_CONF_FILE;
int retval;

pusb_log_init(&opts);
retval = pam_get_item(pamh, PAM_SERVICE,
(const void **)(const void *)&service);
if (retval != PAM_SUCCESS)
{
log_error("Unable to retrieve the PAM service name.\n");
return (PAM_AUTH_ERR);
}

if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS || !user || !*user)
{
log_error("Unable to retrieve the PAM user name.\n");
return (PAM_AUTH_ERR);
}

if (argc > 1)
if (!strcmp(argv[0], "-c"))
conf_file = (char *)argv[1];
if (!pusb_conf_init(&opts))
return (PAM_AUTH_ERR);
if (!pusb_conf_parse(conf_file, &opts, user, service))
return (PAM_AUTH_ERR);

if (!opts.enable)
{
log_debug("Not enabled, exiting...\n");
return (PAM_IGNORE);
}

log_info("pam_usb v%s\n", PUSB_VERSION);
log_info("Account request for user \"%s\" (%s)\n",
user, service);

if (!pusb_local_login(&opts, user))
{
log_error("Access denied.\n");
return (PAM_AUTH_ERR);
}
if (pusb_device_check(&opts, user))
{
log_info("Access granted.\n");
return (PAM_SUCCESS);
}
log_error("Access denied.\n");
return (PAM_AUTH_ERR);
}


#ifdef PAM_STATIC

struct pam_module _pam_usb_modstruct = {
"pam_usb",
pam_sm_authenticate,
pam_sm_setcred,
NULL,
pam_sm_acct_mgmt,
NULL,
NULL,
NULL
Expand Down