int
main(int argc, char *argv[])
{
struct wpa_supplicant wpa_s;
char *link = NULL;
char *key = NULL;
dlpi_handle_t dh = NULL;
datalink_id_t linkid;
dladm_phys_attr_t dpa;
int c;
int exitcode;
char door_file[WPA_STRSIZE];
for (;;) {
c = getopt(argc, argv, "Dk:hi:v");
if (c < 0)
break;
switch (c) {
case 'D':
wpa_debug_level = MSG_DEBUG;
break;
case 'h':
usage();
return (-1);
case 'i':
link = optarg;
break;
case 'k':
key = optarg;
break;
case 'v':
(void) printf("%s\n", wpa_supplicant_version);
return (-1);
default:
usage();
return (-1);
}
}
/*
* key name is required to retrieve PSK value through libwdladm APIs.
* key is saved by dladm command by keyname
* see dladm.
*/
if ((link == NULL) || (key == NULL)) {
wpa_printf(MSG_ERROR, "\nLink & key is required.");
return (-1);
}
if ((strlen(key) >= sizeof (wpa_s.kname))) {
wpa_printf(MSG_ERROR, "Too long key name '%s'.", key);
return (-1);
}
if (daemon(0, 0))
return (-1);
/*
* Hold this link open to prevent a link renaming operation.
*/
if (dlpi_open(link, &dh, 0) != DLPI_SUCCESS) {
wpa_printf(MSG_ERROR, "Failed to open link '%s'.", link);
return (-1);
}
if (dladm_name2info(link, &linkid, NULL, NULL, NULL) !=
DLADM_STATUS_OK) {
wpa_printf(MSG_ERROR, "Invalid link name '%s'.", link);
dlpi_close(dh);
return (-1);
}
/*
* Get the device name of the link, which will be used as the door
* file name used to communicate with the driver. Note that different
* links use different doors.
*/
if (dladm_phys_info(linkid, &dpa, DLADM_OPT_ACTIVE) !=
DLADM_STATUS_OK) {
wpa_printf(MSG_ERROR,
"Failed to get device name of link '%s'.", link);
dlpi_close(dh);
return (-1);
}
(void) snprintf(door_file, WPA_STRSIZE, "%s_%s", WPA_DOOR, dpa.dp_dev);
(void) memset(&wpa_s, 0, sizeof (wpa_s));
wpa_s.driver = &wpa_driver_wifi_ops;
wpa_s.linkid = linkid;
(void) strlcpy(wpa_s.kname, key, sizeof (wpa_s.kname));
eloop_init(&wpa_s);
/*
* Setup default WPA/WPA2 configuration
* get ESSID and PSK value
*/
wpa_s.conf = wpa_config_read(&wpa_s);
if (wpa_s.conf == NULL || wpa_s.conf->ssid == NULL) {
wpa_printf(MSG_ERROR, "\nNo networks (SSID) configured.\n");
exitcode = -1;
goto cleanup;
}
exitcode = 0;
/*
* Setup door file to communicate with driver
*/
if (wpa_supplicant_door_setup(&wpa_s, door_file) != 0) {
wpa_printf(MSG_ERROR, "Failed to setup door(%s)", door_file);
exitcode = -1;
goto cleanup;
}
wpa_s.renew_snonce = 1;
if (wpa_supplicant_driver_init(link, &wpa_s) < 0) {
exitcode = -1;
goto cleanup;
}
/*
* This link is hold again in wpa_supplicant_driver_init(), so that
* we release the first reference.
*/
dlpi_close(dh);
dh = NULL;
wpa_printf(MSG_DEBUG, "=> eloop_run");
(void) eloop_register_signal(SIGINT, wpa_supplicant_terminate, NULL);
(void) eloop_register_signal(SIGTERM, wpa_supplicant_terminate, NULL);
(void) eloop_register_signal(SIGKILL, wpa_supplicant_terminate, NULL);
eloop_run();
wpa_printf(MSG_DEBUG, "<= eloop_run()");
wpa_supplicant_disassociate(&wpa_s, REASON_DEAUTH_LEAVING);
if (wpa_s.driver->set_wpa(wpa_s.linkid, 0) < 0) {
wpa_printf(MSG_ERROR, "Failed to disable WPA in the driver.\n");
}
cleanup:
wpa_supplicant_door_destroy(door_file);
wpa_supplicant_cleanup(&wpa_s);
eloop_destroy();
if (dh != NULL)
dlpi_close(dh);
return (exitcode);
}
/*
* This function attempts to open a device under the following namespaces:
* /dev/ipnet - if DLPI_DEVIPNET is specified
* /dev/net - if a data-link with the specified name exists
* /dev - if DLPI_DEVONLY is specified, or if there is no
* data-link with the specified name (could be /dev/ip)
*
* In particular, if DLPI_DEVIPNET is not specified, this function is used to
* open a data-link node, or "/dev/ip" node. It is usually be called firstly
* with style1 being B_TRUE, and if that fails and the return value is not
* DLPI_ENOTSTYLE2, the function will again be called with style1 being
* B_FALSE (style-1 open attempt first, then style-2 open attempt).
*
* If DLPI_DEVONLY is specified, both attempt will try to open the /dev node
* directly.
*
* Otherwise, for style-1 attempt, the function will try to open the style-1
* /dev/net node, and perhaps fallback to open the style-1 /dev node if the
* give name is not a data-link name (e.g., it is /dev/ip). Note that the
* fallback and the subsequent style-2 attempt will not happen if:
* 1. style-1 opening of the /dev/net node succeeds;
* 2. style-1 opening of the /dev/net node fails with errno other than ENOENT,
* which means that the specific /dev/net node exist, but the attempt fails
* for some other reason;
* 3. style-1 openning of the /dev/net fails with ENOENT, but the name is
* a known device name or its VLAN PPA hack name. (for example, assuming
* device bge0 is renamed to net0, opening /dev/net/bge1000 would return
* ENOENT, but we should not fallback to open /dev/bge1000 in this case,
* as VLAN 1 over the bge0 device should be named as net1000.
*
* DLPI_ENOTSTYLE2 will be returned in case 2 and 3 to indicate not to proceed
* the second style-2 open attempt.
*/
static int
i_dlpi_open(const char *provider, int *fd, uint_t flags, boolean_t style1)
{
char path[MAXPATHLEN];
int oflags;
errno = ENOENT;
oflags = O_RDWR;
if (flags & DLPI_EXCL)
oflags |= O_EXCL;
if (flags & DLPI_DEVIPNET) {
(void) snprintf(path, sizeof (path), "/dev/ipnet/%s", provider);
if ((*fd = open(path, oflags)) != -1)
return (DLPI_SUCCESS);
else
return (errno == ENOENT ? DLPI_ENOLINK : DL_SYSERR);
} else if (style1 && !(flags & DLPI_DEVONLY)) {
char driver[DLPI_LINKNAME_MAX];
char device[DLPI_LINKNAME_MAX];
datalink_id_t linkid;
uint_t ppa;
dladm_handle_t handle;
/*
* This is not a valid style-1 name. It could be "ip" module
* for example. Fallback to open the /dev node.
*/
if (dlpi_parselink(provider, driver, &ppa) != DLPI_SUCCESS)
goto fallback;
(void) snprintf(path, sizeof (path), "/dev/net/%s", provider);
if ((*fd = open(path, oflags)) != -1)
return (DLPI_SUCCESS);
/*
* We don't fallback to open the /dev node when it returns
* error codes other than ENOENT. In that case, DLPI_ENOTSTYLE2
* is returned to indicate not to continue the style-2 open.
*/
if (errno != ENOENT)
return (DLPI_ENOTSTYLE2);
/*
* We didn't find the /dev/net node. Then we check whether
* the given name is a device name or its VLAN PPA hack name
* of a known link. If the answer is yes, and this link
* supports vanity naming, then the link (or the VLAN) should
* also have its /dev/net node but perhaps with another vanity
* name (for example, when bge0 is renamed to net0). In this
* case, although attempt to open the /dev/net/<devname> fails,
* we should not fallback to open the /dev/<devname> node.
*/
(void) snprintf(device, DLPI_LINKNAME_MAX, "%s%d", driver,
ppa >= 1000 ? ppa % 1000 : ppa);
/* open libdladm handle rather than taking it as input */
if (dladm_open(&handle) != DLADM_STATUS_OK)
goto fallback;
if (dladm_dev2linkid(handle, device, &linkid) ==
DLADM_STATUS_OK) {
dladm_phys_attr_t dpa;
if ((dladm_phys_info(handle, linkid, &dpa,
DLADM_OPT_ACTIVE)) == DLADM_STATUS_OK &&
!dpa.dp_novanity) {
dladm_close(handle);
return (DLPI_ENOTSTYLE2);
}
}
dladm_close(handle);
}
fallback:
(void) snprintf(path, sizeof (path), "/dev/%s", provider);
if ((*fd = open(path, oflags)) != -1)
return (DLPI_SUCCESS);
return (errno == ENOENT ? DLPI_ENOLINK : DL_SYSERR);
}
