/*
* Configures local channel for finding server.
* Server call this fucntion for getting its current channel,
* client uses this fucntion for setting its channel to new channel.
*/
static int
rwl_wifi_config_channel(void *wl, int cmd, int *channel)
{
int error;
channel_info_t ci;
/* Get functionality is used only by server */
if (cmd == WLC_GET_CHANNEL) {
memset((char*)&ci, 0, sizeof(ci));
if ((error = wl_get(wl, cmd, &ci, sizeof(channel_info_t))))
return error;
ci.hw_channel = dtoh32(ci.hw_channel);
ci.scan_channel = dtoh32(ci.scan_channel);
ci.target_channel = dtoh32(ci.target_channel);
if (ci.scan_channel)
printf("Scan in progress.\n");
*channel = ci.hw_channel;
}
if (cmd == WLC_SET_CHANNEL) {
/* Set functionality is used by the client */
ci.target_channel = *channel;
/* When user wants to execute local CMD being in remote wifi mode,
* rwl_wifi_swap_remote_type fucntion is used to change the remote types.
*/
rwl_wifi_swap_remote_type(remote_type);
error = wl_set(wl, cmd, &ci.target_channel, sizeof(int));
/* rever it back to same old remote type */
rwl_wifi_swap_remote_type(remote_type);
}
return error;
}
int
rwl_var_getbuf(void *wl, const char *iovar, void *param, int param_len, void **bufptr)
{
int len, error;
memset((char*)g_rwl_aligned_buf, 0, WLC_IOCTL_MAXLEN);
strcpy(g_rwl_aligned_buf, iovar);
/* include the null */
len = strlen(iovar) + 1;
if (param_len)
memcpy(&g_rwl_aligned_buf[len], param, param_len);
*bufptr = g_rwl_aligned_buf;
/* When user wants to execute local CMD being in remote wifi mode,
* rwl_wifi_swap_remote_type fucntion is used to change the remote types.
*/
rwl_wifi_swap_remote_type(remote_type);
error = wl_get(wl, WLC_GET_VAR, &g_rwl_aligned_buf[0], WLC_IOCTL_MAXLEN);
/* revert back to the old remote type */
rwl_wifi_swap_remote_type(remote_type);
return error;
}
/* This function will send the buffer to the dongle driver */
int
rwl_var_send_vs_actionframe(void* wl, const char* iovar, void* param, int param_len)
{
int len, error;
memset(g_rwl_aligned_buf, 0, WLC_IOCTL_MAXLEN);
strcpy(g_rwl_aligned_buf, iovar);
/* include the null */
len = strlen(iovar) + 1;
if (param_len)
memcpy((void*)&g_rwl_aligned_buf[len+ OFFSETOF(wl_action_frame_t, data)],
param,
param_len);
/* Set the PacketID (not used by remote WL */
memset((void*)&g_rwl_aligned_buf[len + OFFSETOF(wl_action_frame_t, packetId)], 0, 4);
/* Set the dest addr */
memcpy((void*)&g_rwl_aligned_buf[len + OFFSETOF(wl_action_frame_t, da)],
(void*)g_rwl_buf_mac,
ETHER_ADDR_LEN);
/* set the length */
memcpy((void*)&g_rwl_aligned_buf[len + OFFSETOF(wl_action_frame_t, len)],
(void*) ¶m_len,
2);
len += param_len + ETHER_ADDR_LEN + 2 + 4;
/* When user wants to execute local CMD being in remote wifi mode,
* rwl_wifi_swap_remote_type fucntion is used to change the remote types.
*/
rwl_wifi_swap_remote_type(remote_type);
error = wl_set(wl, WLC_SET_VAR, &g_rwl_aligned_buf[0], len);
/* revert back to the old type */
rwl_wifi_swap_remote_type(remote_type);
return error;
}
/* Function called for 'local' interactive session and for 'remote' interactive session */
static int
do_interactive(struct ifreq *ifr)
{
int err = 0;
#ifdef RWL_WIFI
int retry;
#endif
while (1) {
char *fgsret;
char line[INTERACTIVE_MAX_INPUT_LENGTH];
fprintf(stdout, "> ");
fgsret = fgets(line, sizeof(line), stdin);
/* end of file */
if (fgsret == NULL)
break;
if (line[0] == '\n')
continue;
if (strlen (line) > 0) {
/* skip past first arg if it's "wl" and parse up arguments */
char *argv[INTERACTIVE_NUM_ARGS];
int argc;
char *token;
argc = 0;
while (argc < (INTERACTIVE_NUM_ARGS - 1) &&
(token = strtok(argc ? NULL : line, " \t\n")) != NULL) {
/* Specifically make sure empty arguments (like SSID) are empty */
if (token[0] == '"' && token[1] == '"') {
token[0] = '\0';
}
argv[argc++] = token;
}
argv[argc] = NULL;
if (argc == (INTERACTIVE_NUM_ARGS - 1) &&
(token = strtok(NULL, " \t")) != NULL) {
printf("wl:error: too many args; argc must be < %d\n",
(INTERACTIVE_NUM_ARGS - 1));
continue;
}
#ifdef RWL_WIFI
if (!strcmp(argv[0], "findserver")) {
remote_wifi_ser_init_cmds((void *) ifr);
}
#endif /* RWL_WIFI */
if (strcmp(argv[0], "q") == 0 || strcmp(argv[0], "exit") == 0) {
break;
}
if ((strcmp(argv[0], "sh") == 0) && (remote_type != NO_REMOTE)) {
if (argv[1]) {
process_args(ifr, argv);
} else {
DPRINT_ERR(ERR, "Give shell command");
continue;
}
} else { /* end shell */
/* check for lchannel support,applicable only for wifi transport.
* when lchannel is called remote type is swapped by calling swap_
* remote_type.This is done to change, the remote type to local,
* so that local machine's channel can be executed and
* returned to the user.
* To get back the original remote type, swap is recalled.
*/
if (remote_type == REMOTE_WIFI) {
#ifdef RWL_WIFI
if (!strcmp(argv[0], "lchannel")) {
strcpy(argv[0], "channel");
rwl_wifi_swap_remote_type(remote_type);
err = wl_do_cmd(ifr, argv);
rwl_wifi_swap_remote_type(remote_type);
} else {
err = wl_do_cmd(ifr, argv);
}
/* After join cmd's gets exeuted on the server side, client
* needs to know the channel on which the server is associated
* with AP , after delay of few seconds client will intiate the
* scan on diffrent channels by calling
* rwl_find_remote_wifi_server function
*/
if ((!strcmp(argv[0], "join")) ||
(!strcmp(argv[0], "ssid"))) {
DPRINT_INFO(OUTPUT, "\n Findserver is called"
"after the join issued to remote \n \n");
sleep(RWL_WIFI_JOIN_DELAY);
for (retry = 0; retry < RWL_WIFI_RETRY; retry++) {
if ((rwl_find_remote_wifi_server(ifr,
&g_rwl_buf_mac[0]) == 0)) {
break;
}
}
}
#endif /* RWL_WIFI */
} else {
err = wl_do_cmd(ifr, argv);
}
} /* end of wl */
} /* end of strlen (line) > 0 */
} /* while (1) */
return err;
}
int
wl_lib(char *input_str)
{
struct ifreq ifr;
char *ifname = NULL;
int err = 0;
int help = 0;
int status = CMD_WL;
void* serialHandle = NULL;
char *tmp_argv[LINUX_NUM_ARGS];
char **argv = tmp_argv;
int argc;
/* buf_to_args return 0 if no args or string too long
* or return NDIS_NUM_ARGS if too many args
*/
if (((argc = buf_to_args(input_str, argv)) == 0) || (argc == LINUX_NUM_ARGS)) {
printf("wl:error: can't convert input string\n");
return (-1);
}
#else
/* Main client function */
int
main(int argc, char **argv)
{
struct ifreq ifr;
char *ifname = NULL;
int err = 0;
int help = 0;
int status = CMD_WL;
#if defined(RWL_DONGLE) || RWL_SERIAL
void* serialHandle = NULL;
#endif
#endif /* WLMSO */
wlu_av0 = argv[0];
wlu_init();
memset(&ifr, 0, sizeof(ifr));
(void)*argv++;
if ((status = wl_option(&argv, &ifname, &help)) == CMD_OPT) {
if (ifname)
{
if (strcmp(ifname, "eth1") == 0)
{
strncpy(ifr.ifr_name, "wl0", IFNAMSIZ);
}
else if (strcmp(ifname, "eth2") == 0)
{
strncpy(ifr.ifr_name, "wl1", IFNAMSIZ);
}
else
{
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
}
}
/* Bug fix: If -h is used as an option, the above function call
* will notice it and raise the flag but it won't be processed
* in this function so we undo the argv increment so that the -h
* can be spotted by the next call of wl_option. This will ensure
* that wl -h [cmd] will function as desired.
*/
else if (help)
(void)*argv--;
}
/* Linux client looking for a indongle reflector */
if (*argv && strncmp (*argv, "--indongle", strlen(*argv)) == 0) {
rwl_dut_autodetect = FALSE;
(void)*argv++;
}
/* Linux client looking for a WinVista server */
if (*argv && strncmp (*argv, "--vista", strlen(*argv)) == 0) {
rwl_os_type = WINVISTA_OS;
rwl_dut_autodetect = FALSE;
(void)*argv++;
}
/* Provide option for disabling remote DUT autodetect */
if (*argv && strncmp(*argv, "--nodetect", strlen(*argv)) == 0) {
rwl_dut_autodetect = FALSE;
argv++;
}
if (*argv && strncmp (*argv, "--debug", strlen(*argv)) == 0) {
debug = TRUE;
argv++;
}
/* RWL socket transport Usage: --socket ipaddr/hostname [port num] */
if (*argv && strncmp (*argv, "--socket", strlen(*argv)) == 0) {
(void)*argv++;
remote_type = REMOTE_SOCKET;
if (!(*argv)) {
rwl_usage(remote_type);
return err;
}
/* IP address validation is done in client_shared file */
g_rwl_servIP = *argv;
(void)*argv++;
g_rwl_servport = DEFAULT_SERVER_PORT;
if ((*argv) && isdigit(**argv)) {
g_rwl_servport = atoi(*argv);
(void)*argv++;
}
}
/* RWL from system serial port on client to uart serial port on server */
/* Usage: --serial /dev/ttyS0 */
if (*argv && strncmp (*argv, "--serial", strlen(*argv)) == 0) {
(void)*argv++;
remote_type = REMOTE_SERIAL;
}
/* RWL from system serial port on client to uart dongle port on server */
/* Usage: --dongle /dev/ttyS0 */
if (*argv && strncmp (*argv, "--dongle", strlen(*argv)) == 0) {
(void)*argv++;
remote_type = REMOTE_DONGLE;
}
#if defined(RWL_SERIAL) || defined(RWL_DONGLE)
if (remote_type == REMOTE_SERIAL || remote_type == REMOTE_DONGLE) {
if (!(*argv)) {
rwl_usage(remote_type);
return err;
}
g_rwl_device_name_serial = *argv;
(void)*argv++;
if ((serialHandle = rwl_open_pipe(remote_type, g_rwl_device_name_serial, 0, 0))
== NULL) {
DPRINT_ERR(ERR, "serial device open error\r\n");
return -1;
}
ifr = (*(struct ifreq *)serialHandle);
}
#endif /* RWL_SERIAL */
/* RWL over wifi. Usage: --wifi mac_address */
if (*argv && strncmp (*argv, "--wifi", strlen(*argv)) == 0) {
(void)*argv++;
/* use default interface */
if (!*ifr.ifr_name)
wl_find(&ifr);
/* validate the interface */
if (!*ifr.ifr_name) {
errno = ENXIO;
syserr("interface");
}
if ((err = wl_check((void *)&ifr)) < 0) {
fprintf(stderr, "%s: wl driver adapter not found\n", wlu_av0);
exit(1);
}
remote_type = REMOTE_WIFI;
if (argc < 4) {
rwl_usage(remote_type);
return err;
}
/* copy server mac address to local buffer for later use by findserver cmd */
if (!wl_ether_atoe(*argv, (struct ether_addr *)g_rwl_buf_mac)) {
fprintf(stderr,
"could not parse as an ethternet MAC address\n");
return FAIL;
}
(void)*argv++;
}
if ((*argv) && (strlen(*argv) > 2) &&
(strncmp(*argv, "--interactive", strlen(*argv)) == 0)) {
interactive_flag = 1;
}
/* Process for local wl */
if (remote_type == NO_REMOTE) {
if (interactive_flag == 1)
(void)*argv--;
err = process_args(&ifr, argv);
return err;
} else {
#ifndef OLYMPIC_RWL
/* Autodetect remote DUT */
if (rwl_dut_autodetect == TRUE)
rwl_detect((void*)&ifr, debug, &rwl_os_type);
#endif /* OLYMPIC_RWL */
}
/* RWL client needs to initialize ioctl_version */
if (wl_check((void *)&ifr) != 0) {
fprintf(stderr, "%s: wl driver adapter not found\n", wlu_av0);
exit(1);
}
if (interactive_flag == 1) {
err = do_interactive(&ifr);
return err;
}
if ((*argv) && (interactive_flag == 0)) {
err = process_args(&ifr, argv);
if ((err == SERIAL_PORT_ERR) && (remote_type == REMOTE_DONGLE)) {
DPRINT_ERR(ERR, "\n Retry again\n");
err = process_args((struct ifreq*)&ifr, argv);
}
return err;
}
rwl_usage(remote_type);
#if defined(RWL_DONGLE) || RWL_SERIAL
if (remote_type == REMOTE_DONGLE || remote_type == REMOTE_SERIAL)
rwl_close_pipe(remote_type, (void*)&ifr);
#endif /* RWL_DONGLE || RWL_SERIAL */
return err;
}
/*
* Function called for 'local' execution and for 'remote' non-interactive session
* (shell cmd, wl cmd)
*/
int
process_args(struct ifreq* ifr, char **argv)
{
char *ifname = NULL;
int help = 0;
int status = 0;
int vista_cmd_index;
int err = 0;
cmd_t *cmd = NULL;
#ifdef RWL_WIFI
int retry;
#endif
while (*argv) {
if ((strcmp (*argv, "sh") == 0) && (remote_type != NO_REMOTE)) {
(void)*argv++; /* Get the shell command */
if (*argv) {
/* Register handler in case of shell command only */
err = rwl_shell_cmd_proc((void*)ifr, argv, SHELL_CMD);
} else {
DPRINT_ERR(ERR, "Enter the shell "
"command, e.g. ls(Linux) or dir(Win CE)\n");
err = -1;
}
return err;
}
#ifdef RWLASD
if ((strcmp (*argv, "asd") == 0) && (remote_type != NO_REMOTE)) {
(void)*argv++; /* Get the asd command */
if (*argv) {
err = rwl_shell_cmd_proc((void*)ifr, argv, ASD_CMD);
} else {
DPRINT_ERR(ERR, "Enter the ASD command, e.g. ca_get_version\n");
err = -1;
}
return err;
}
#endif
if (rwl_os_type == WINVISTA_OS) {
for (vista_cmd_index = 0; remote_vista_cmds[vista_cmd_index] &&
strcmp(remote_vista_cmds[vista_cmd_index], *argv);
vista_cmd_index++);
if (remote_vista_cmds[vista_cmd_index] != NULL) {
err = rwl_shell_cmd_proc((void *)ifr, argv, VISTA_CMD);
if ((remote_type == REMOTE_WIFI) && ((!strcmp(*argv, "join")))) {
#ifdef RWL_WIFI
DPRINT_INFO(OUTPUT,
"\nChannel will be synchronized by Findserver\n\n");
sleep(RWL_WIFI_JOIN_DELAY);
for (retry = 0; retry < RWL_WIFI_RETRY; retry++) {
if ((rwl_find_remote_wifi_server(ifr,
&g_rwl_buf_mac[0]) == 0)) {
break;
}
}
#endif /* RWL_WIFI */
}
return err;
}
}
if ((status = wl_option(&argv, &ifname, &help)) == CMD_OPT) {
if (help)
break;
if (ifname) {
if (remote_type == NO_REMOTE) {
strncpy((*ifr).ifr_name, ifname, IFNAMSIZ);
}
else {
strncpy(g_rem_ifname, ifname, IFNAMSIZ);
}
}
continue;
}
/* parse error */
else if (status == CMD_ERR)
break;
if (remote_type == NO_REMOTE) {
/* use default interface */
if (!*(*ifr).ifr_name)
wl_find(ifr);
/* validate the interface */
if (!*(*ifr).ifr_name) {
errno = ENXIO;
syserr("interface");
}
if ((err = wl_check((void *)ifr)) < 0) {
fprintf(stderr, "%s: wl driver adapter not found\n", wlu_av0);
exit(1);
}
if ((strcmp (*argv, "--interactive") == 0) || (interactive_flag == 1)) {
err = do_interactive(ifr);
return err;
}
}
/* search for command */
cmd = wl_find_cmd(*argv);
/* if not found, use default set_var and get_var commands */
if (!cmd) {
cmd = &wl_varcmd;
}
#ifdef RWL_WIFI
if (!strcmp(cmd->name, "findserver")) {
remote_wifi_ser_init_cmds((void *) ifr);
}
#endif /* RWL_WIFI */
/* RWL over Wifi supports 'lchannel' command which lets client
* (ie *this* machine) change channels since normal 'channel' command
* applies to the server (ie target machine)
*/
if (remote_type == REMOTE_WIFI) {
#ifdef RWL_WIFI
if (!strcmp(argv[0], "lchannel")) {
strcpy(argv[0], "channel");
rwl_wifi_swap_remote_type(remote_type);
err = (*cmd->func)((void *) ifr, cmd, argv);
rwl_wifi_swap_remote_type(remote_type);
} else {
err = (*cmd->func)((void *) ifr, cmd, argv);
}
/* After join cmd's gets exeuted on the server side , client needs to know
* the channel on which the server is associated with AP , after delay of
* few seconds client will intiate the scan on diffrent channels by calling
* rwl_find_remote_wifi_server fucntion
*/
if ((!strcmp(cmd->name, "join") || ((!strcmp(cmd->name, "ssid") &&
(*(++argv) != NULL))))) {
DPRINT_INFO(OUTPUT, "\n Findserver is called to synchronize the"
"channel\n\n");
sleep(RWL_WIFI_JOIN_DELAY);
for (retry = 0; retry < RWL_WIFI_RETRY; retry++) {
if ((rwl_find_remote_wifi_server(ifr,
&g_rwl_buf_mac[0]) == 0)) {
break;
}
}
}
#endif /* RWL_WIFI */
} else {
/* do command */
err = (*cmd->func)((void *) ifr, cmd, argv);
}
break;
} /* while loop end */
/* provide for help on a particular command */
if (help && *argv) {
cmd = wl_find_cmd(*argv);
if (cmd) {
wl_cmd_usage(stdout, cmd);
} else {
DPRINT_ERR(ERR, "%s: Unrecognized command \"%s\", type -h for help\n",
wlu_av0, *argv);
}
} else if (!cmd)
wl_usage(stdout, NULL);
else if (err == USAGE_ERROR)
wl_cmd_usage(stderr, cmd);
else if (err == IOCTL_ERROR)
wl_printlasterror((void *) ifr);
else if (err == BCME_NODEVICE)
DPRINT_ERR(ERR, "%s : wl driver adapter not found\n", g_rem_ifname);
return err;
}
