From 5910ae4170e2ebaca9fc05ee87aef167b533d586 Mon Sep 17 00:00:00 2001 From: armink Date: Fri, 18 Aug 2017 11:29:26 +0800 Subject: [NET] Add telnet app to netutils. --- components/net/lwip-2.0.2/apps/telnet.c | 391 -------------------------------- components/net/netutils/README.md | 1 + components/net/netutils/SConscript | 10 + components/net/netutils/telnet.c | 391 ++++++++++++++++++++++++++++++++ 4 files changed, 402 insertions(+), 391 deletions(-) delete mode 100644 components/net/lwip-2.0.2/apps/telnet.c create mode 100644 components/net/netutils/README.md create mode 100644 components/net/netutils/SConscript create mode 100644 components/net/netutils/telnet.c diff --git a/components/net/lwip-2.0.2/apps/telnet.c b/components/net/lwip-2.0.2/apps/telnet.c deleted file mode 100644 index d5c127b713..0000000000 --- a/components/net/lwip-2.0.2/apps/telnet.c +++ /dev/null @@ -1,391 +0,0 @@ -#include -#include -#include -#include - -#include -#include - -#define TELNET_PORT 23 -#define TELNET_BACKLOG 5 -#define RX_BUFFER_SIZE 256 -#define TX_BUFFER_SIZE 4096 - -#define ISO_nl 0x0a -#define ISO_cr 0x0d - -#define STATE_NORMAL 0 -#define STATE_IAC 1 -#define STATE_WILL 2 -#define STATE_WONT 3 -#define STATE_DO 4 -#define STATE_DONT 5 -#define STATE_CLOSE 6 - -#define TELNET_IAC 255 -#define TELNET_WILL 251 -#define TELNET_WONT 252 -#define TELNET_DO 253 -#define TELNET_DONT 254 - -struct telnet_session -{ - struct rt_ringbuffer rx_ringbuffer; - struct rt_ringbuffer tx_ringbuffer; - - rt_mutex_t rx_ringbuffer_lock; - rt_mutex_t tx_ringbuffer_lock; - - struct rt_device device; - rt_int32_t server_fd; - rt_int32_t client_fd; - - /* telnet protocol */ - rt_uint8_t state; - rt_uint8_t echo_mode; - -}; - -static struct telnet_session* telnet; - -/* process tx data */ -static void send_to_client(struct telnet_session* telnet) -{ - rt_size_t length; - rt_uint8_t tx_buffer[32]; - - while (1) - { - rt_memset(tx_buffer, 0, sizeof(tx_buffer)); - rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); - /* get buffer from ringbuffer */ - length = rt_ringbuffer_get(&(telnet->tx_ringbuffer), tx_buffer, sizeof(tx_buffer)); - rt_mutex_release(telnet->tx_ringbuffer_lock); - - /* do a tx procedure */ - if (length > 0) - { - send(telnet->client_fd, tx_buffer, length, 0); - } - else break; - } -} - -/* send telnet option to remote */ -static void send_option_to_client(struct telnet_session* telnet, rt_uint8_t option, rt_uint8_t value) -{ - rt_uint8_t optbuf[4]; - - optbuf[0] = TELNET_IAC; - optbuf[1] = option; - optbuf[2] = value; - optbuf[3] = 0; - - rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); - rt_ringbuffer_put(&telnet->tx_ringbuffer, optbuf, 3); - rt_mutex_release(telnet->tx_ringbuffer_lock); - - send_to_client(telnet); -} - -/* process rx data */ -static void process_rx(struct telnet_session* telnet, rt_uint8_t *data, rt_size_t length) -{ - rt_size_t rx_length, index; - - for (index = 0; index < length; index ++) - { - switch(telnet->state) - { - case STATE_IAC: - if (*data == TELNET_IAC) - { - rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); - /* put buffer to ringbuffer */ - rt_ringbuffer_putchar(&(telnet->rx_ringbuffer), *data); - rt_mutex_release(telnet->rx_ringbuffer_lock); - - telnet->state = STATE_NORMAL; - } - else - { - /* set telnet state according to received package */ - switch (*data) - { - case TELNET_WILL: telnet->state = STATE_WILL; break; - case TELNET_WONT: telnet->state = STATE_WONT; break; - case TELNET_DO: telnet->state = STATE_DO; break; - case TELNET_DONT: telnet->state = STATE_DONT; break; - default: telnet->state = STATE_NORMAL; break; - } - } - break; - - /* don't option */ - case STATE_WILL: - case STATE_WONT: - send_option_to_client(telnet, TELNET_DONT, *data); - telnet->state = STATE_NORMAL; - break; - - /* won't option */ - case STATE_DO: - case STATE_DONT: - send_option_to_client(telnet, TELNET_WONT, *data); - telnet->state = STATE_NORMAL; - break; - - case STATE_NORMAL: - if (*data == TELNET_IAC) telnet->state = STATE_IAC; - else if (*data != '\r') /* ignore '\r' */ - { - rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); - /* put buffer to ringbuffer */ - rt_ringbuffer_putchar(&(telnet->rx_ringbuffer), *data); - rt_mutex_release(telnet->rx_ringbuffer_lock); - } - break; - } - - data ++; - } - - rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); - /* get total size */ - rx_length = rt_ringbuffer_data_len(&telnet->rx_ringbuffer); - rt_mutex_release(telnet->rx_ringbuffer_lock); - - /* indicate there are reception data */ - if ((rx_length > 0) && (telnet->device.rx_indicate != RT_NULL)) - telnet->device.rx_indicate(&telnet->device, rx_length); - - return; -} - -/* client close */ -static void client_close(struct telnet_session* telnet) -{ - /* set console */ - rt_console_set_device(RT_CONSOLE_DEVICE_NAME); - /* set finsh device */ - finsh_set_device(RT_CONSOLE_DEVICE_NAME); - - /* close connection */ - closesocket(telnet->client_fd); - - /* restore shell option */ - finsh_set_echo(telnet->echo_mode); - - rt_kprintf("resume console to %s\n", RT_CONSOLE_DEVICE_NAME); -} - -/* RT-Thread Device Driver Interface */ -static rt_err_t telnet_init(rt_device_t dev) -{ - return RT_EOK; -} - -static rt_err_t telnet_open(rt_device_t dev, rt_uint16_t oflag) -{ - return RT_EOK; -} - -static rt_err_t telnet_close(rt_device_t dev) -{ - return RT_EOK; -} - -static rt_size_t telnet_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) -{ - rt_size_t result; - - /* read from rx ring buffer */ - rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); - result = rt_ringbuffer_get(&(telnet->rx_ringbuffer), buffer, size); - rt_mutex_release(telnet->rx_ringbuffer_lock); - - return result; -} - -static rt_size_t telnet_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) -{ - const rt_uint8_t *ptr; - - ptr = (rt_uint8_t*) buffer; - - rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); - while (size) - { - if (*ptr == '\n') - rt_ringbuffer_putchar(&telnet->tx_ringbuffer, '\r'); - - if (rt_ringbuffer_putchar(&telnet->tx_ringbuffer, *ptr) == 0) /* overflow */ - break; - ptr++; - size--; - } - rt_mutex_release(telnet->tx_ringbuffer_lock); - - /* send data to telnet client */ - send_to_client(telnet); - - return (rt_uint32_t) ptr - (rt_uint32_t) buffer; -} - -static rt_err_t telnet_control(rt_device_t dev, rt_uint8_t cmd, void *args) -{ - return RT_EOK; -} - -/* telnet server thread entry */ -static void telnet_thread(void* parameter) -{ -#define RECV_BUF_LEN 64 - - struct sockaddr_in addr; - socklen_t addr_size; - rt_uint8_t recv_buf[RECV_BUF_LEN]; - rt_int32_t recv_len = 0; - - if ((telnet->server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) - { - rt_kprintf("telnet: create socket failed\n"); - return; - } - - addr.sin_family = AF_INET; - addr.sin_port = htons(TELNET_PORT); - addr.sin_addr.s_addr = INADDR_ANY; - rt_memset(&(addr.sin_zero), 0, sizeof(addr.sin_zero)); - if (bind(telnet->server_fd, (struct sockaddr *)&addr, sizeof(struct sockaddr)) == -1) - { - rt_kprintf("telnet: bind socket failed\n"); - return; - } - - if (listen(telnet->server_fd, TELNET_BACKLOG) == -1) - { - rt_kprintf("telnet: listen socket failed\n"); - return; - } - - /* register telnet device */ - telnet->device.type = RT_Device_Class_Char; - telnet->device.init = telnet_init; - telnet->device.open = telnet_open; - telnet->device.close = telnet_close; - telnet->device.read = telnet_read; - telnet->device.write = telnet_write; - telnet->device.control = telnet_control; - - /* no private */ - telnet->device.user_data = RT_NULL; - - /* register telnet device */ - rt_device_register(&telnet->device, "telnet", - RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM); - - while (1) - { - rt_kprintf("telnet server waiting for connection\n"); - - /* grab new connection */ - if ((telnet->client_fd = accept(telnet->server_fd, (struct sockaddr * )&addr, &addr_size)) == -1) - { - continue; - } - - rt_kprintf("new telnet client(%s:%d) connection, switch console to telnet...\n", inet_ntoa(addr.sin_addr), addr.sin_port); - - /* process the new connection */ - /* set console */ - rt_console_set_device("telnet"); - /* set finsh device */ - finsh_set_device("telnet"); - - /* set init state */ - telnet->state = STATE_NORMAL; - - telnet->echo_mode = finsh_get_echo(); - /* disable echo mode */ - finsh_set_echo(0); - - while (1) - { - /* try to send all data in tx ringbuffer */ - send_to_client(telnet); - - /* do a rx procedure */ - if ((recv_len = recv(telnet->client_fd, recv_buf, RECV_BUF_LEN, 0)) > 0) - { - process_rx(telnet, recv_buf, recv_len); - } - else - { - /* close connection */ - client_close(telnet); - break; - } - } - } -} - -/* telnet server */ -void telnet_srv(void) -{ - rt_thread_t tid; - - if (telnet == RT_NULL) - { - rt_uint8_t *ptr; - - telnet = rt_malloc(sizeof(struct telnet_session)); - if (telnet == RT_NULL) - { - rt_kprintf("telnet: no memory\n"); - return; - } - /* init ringbuffer */ - ptr = rt_malloc(RX_BUFFER_SIZE); - if (ptr) - { - rt_ringbuffer_init(&telnet->rx_ringbuffer, ptr, RX_BUFFER_SIZE); - } - else - { - rt_kprintf("telnet: no memory\n"); - return; - } - ptr = rt_malloc(TX_BUFFER_SIZE); - if (ptr) - { - rt_ringbuffer_init(&telnet->tx_ringbuffer, ptr, TX_BUFFER_SIZE); - } - else - { - rt_kprintf("telnet: no memory\n"); - return; - } - /* create tx ringbuffer lock */ - telnet->tx_ringbuffer_lock = rt_mutex_create("telnet_tx", RT_IPC_FLAG_FIFO); - /* create rx ringbuffer lock */ - telnet->rx_ringbuffer_lock = rt_mutex_create("telnet_rx", RT_IPC_FLAG_FIFO); - - tid = rt_thread_create("telnet", telnet_thread, RT_NULL, 2048, 25, 5); - if (tid != RT_NULL) - rt_thread_startup(tid); - } - else - { - rt_kprintf("telnet: already running\n"); - } - -} - -#ifdef RT_USING_FINSH -#include -FINSH_FUNCTION_EXPORT(telnet_srv, startup telnet server); -#ifdef FINSH_USING_MSH -MSH_CMD_EXPORT(telnet_srv, startup telnet server) -#endif /* FINSH_USING_MSH */ -#endif /* RT_USING_FINSH */ diff --git a/components/net/netutils/README.md b/components/net/netutils/README.md new file mode 100644 index 0000000000..49545bab32 --- /dev/null +++ b/components/net/netutils/README.md @@ -0,0 +1 @@ +Some net utils which using standard interface such as BSD Sockets. \ No newline at end of file diff --git a/components/net/netutils/SConscript b/components/net/netutils/SConscript new file mode 100644 index 0000000000..853b94a857 --- /dev/null +++ b/components/net/netutils/SConscript @@ -0,0 +1,10 @@ +from building import * + +cwd = GetCurrentDir() +src = Glob('*.c') + +CPPPATH = [cwd] + +group = DefineGroup('LwIP', src, depend = ['RT_USING_NETUTILS'], CPPPATH = CPPPATH) + +Return('group') \ No newline at end of file diff --git a/components/net/netutils/telnet.c b/components/net/netutils/telnet.c new file mode 100644 index 0000000000..d5c127b713 --- /dev/null +++ b/components/net/netutils/telnet.c @@ -0,0 +1,391 @@ +#include +#include +#include +#include + +#include +#include + +#define TELNET_PORT 23 +#define TELNET_BACKLOG 5 +#define RX_BUFFER_SIZE 256 +#define TX_BUFFER_SIZE 4096 + +#define ISO_nl 0x0a +#define ISO_cr 0x0d + +#define STATE_NORMAL 0 +#define STATE_IAC 1 +#define STATE_WILL 2 +#define STATE_WONT 3 +#define STATE_DO 4 +#define STATE_DONT 5 +#define STATE_CLOSE 6 + +#define TELNET_IAC 255 +#define TELNET_WILL 251 +#define TELNET_WONT 252 +#define TELNET_DO 253 +#define TELNET_DONT 254 + +struct telnet_session +{ + struct rt_ringbuffer rx_ringbuffer; + struct rt_ringbuffer tx_ringbuffer; + + rt_mutex_t rx_ringbuffer_lock; + rt_mutex_t tx_ringbuffer_lock; + + struct rt_device device; + rt_int32_t server_fd; + rt_int32_t client_fd; + + /* telnet protocol */ + rt_uint8_t state; + rt_uint8_t echo_mode; + +}; + +static struct telnet_session* telnet; + +/* process tx data */ +static void send_to_client(struct telnet_session* telnet) +{ + rt_size_t length; + rt_uint8_t tx_buffer[32]; + + while (1) + { + rt_memset(tx_buffer, 0, sizeof(tx_buffer)); + rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); + /* get buffer from ringbuffer */ + length = rt_ringbuffer_get(&(telnet->tx_ringbuffer), tx_buffer, sizeof(tx_buffer)); + rt_mutex_release(telnet->tx_ringbuffer_lock); + + /* do a tx procedure */ + if (length > 0) + { + send(telnet->client_fd, tx_buffer, length, 0); + } + else break; + } +} + +/* send telnet option to remote */ +static void send_option_to_client(struct telnet_session* telnet, rt_uint8_t option, rt_uint8_t value) +{ + rt_uint8_t optbuf[4]; + + optbuf[0] = TELNET_IAC; + optbuf[1] = option; + optbuf[2] = value; + optbuf[3] = 0; + + rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); + rt_ringbuffer_put(&telnet->tx_ringbuffer, optbuf, 3); + rt_mutex_release(telnet->tx_ringbuffer_lock); + + send_to_client(telnet); +} + +/* process rx data */ +static void process_rx(struct telnet_session* telnet, rt_uint8_t *data, rt_size_t length) +{ + rt_size_t rx_length, index; + + for (index = 0; index < length; index ++) + { + switch(telnet->state) + { + case STATE_IAC: + if (*data == TELNET_IAC) + { + rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); + /* put buffer to ringbuffer */ + rt_ringbuffer_putchar(&(telnet->rx_ringbuffer), *data); + rt_mutex_release(telnet->rx_ringbuffer_lock); + + telnet->state = STATE_NORMAL; + } + else + { + /* set telnet state according to received package */ + switch (*data) + { + case TELNET_WILL: telnet->state = STATE_WILL; break; + case TELNET_WONT: telnet->state = STATE_WONT; break; + case TELNET_DO: telnet->state = STATE_DO; break; + case TELNET_DONT: telnet->state = STATE_DONT; break; + default: telnet->state = STATE_NORMAL; break; + } + } + break; + + /* don't option */ + case STATE_WILL: + case STATE_WONT: + send_option_to_client(telnet, TELNET_DONT, *data); + telnet->state = STATE_NORMAL; + break; + + /* won't option */ + case STATE_DO: + case STATE_DONT: + send_option_to_client(telnet, TELNET_WONT, *data); + telnet->state = STATE_NORMAL; + break; + + case STATE_NORMAL: + if (*data == TELNET_IAC) telnet->state = STATE_IAC; + else if (*data != '\r') /* ignore '\r' */ + { + rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); + /* put buffer to ringbuffer */ + rt_ringbuffer_putchar(&(telnet->rx_ringbuffer), *data); + rt_mutex_release(telnet->rx_ringbuffer_lock); + } + break; + } + + data ++; + } + + rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); + /* get total size */ + rx_length = rt_ringbuffer_data_len(&telnet->rx_ringbuffer); + rt_mutex_release(telnet->rx_ringbuffer_lock); + + /* indicate there are reception data */ + if ((rx_length > 0) && (telnet->device.rx_indicate != RT_NULL)) + telnet->device.rx_indicate(&telnet->device, rx_length); + + return; +} + +/* client close */ +static void client_close(struct telnet_session* telnet) +{ + /* set console */ + rt_console_set_device(RT_CONSOLE_DEVICE_NAME); + /* set finsh device */ + finsh_set_device(RT_CONSOLE_DEVICE_NAME); + + /* close connection */ + closesocket(telnet->client_fd); + + /* restore shell option */ + finsh_set_echo(telnet->echo_mode); + + rt_kprintf("resume console to %s\n", RT_CONSOLE_DEVICE_NAME); +} + +/* RT-Thread Device Driver Interface */ +static rt_err_t telnet_init(rt_device_t dev) +{ + return RT_EOK; +} + +static rt_err_t telnet_open(rt_device_t dev, rt_uint16_t oflag) +{ + return RT_EOK; +} + +static rt_err_t telnet_close(rt_device_t dev) +{ + return RT_EOK; +} + +static rt_size_t telnet_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +{ + rt_size_t result; + + /* read from rx ring buffer */ + rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER); + result = rt_ringbuffer_get(&(telnet->rx_ringbuffer), buffer, size); + rt_mutex_release(telnet->rx_ringbuffer_lock); + + return result; +} + +static rt_size_t telnet_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +{ + const rt_uint8_t *ptr; + + ptr = (rt_uint8_t*) buffer; + + rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER); + while (size) + { + if (*ptr == '\n') + rt_ringbuffer_putchar(&telnet->tx_ringbuffer, '\r'); + + if (rt_ringbuffer_putchar(&telnet->tx_ringbuffer, *ptr) == 0) /* overflow */ + break; + ptr++; + size--; + } + rt_mutex_release(telnet->tx_ringbuffer_lock); + + /* send data to telnet client */ + send_to_client(telnet); + + return (rt_uint32_t) ptr - (rt_uint32_t) buffer; +} + +static rt_err_t telnet_control(rt_device_t dev, rt_uint8_t cmd, void *args) +{ + return RT_EOK; +} + +/* telnet server thread entry */ +static void telnet_thread(void* parameter) +{ +#define RECV_BUF_LEN 64 + + struct sockaddr_in addr; + socklen_t addr_size; + rt_uint8_t recv_buf[RECV_BUF_LEN]; + rt_int32_t recv_len = 0; + + if ((telnet->server_fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) + { + rt_kprintf("telnet: create socket failed\n"); + return; + } + + addr.sin_family = AF_INET; + addr.sin_port = htons(TELNET_PORT); + addr.sin_addr.s_addr = INADDR_ANY; + rt_memset(&(addr.sin_zero), 0, sizeof(addr.sin_zero)); + if (bind(telnet->server_fd, (struct sockaddr *)&addr, sizeof(struct sockaddr)) == -1) + { + rt_kprintf("telnet: bind socket failed\n"); + return; + } + + if (listen(telnet->server_fd, TELNET_BACKLOG) == -1) + { + rt_kprintf("telnet: listen socket failed\n"); + return; + } + + /* register telnet device */ + telnet->device.type = RT_Device_Class_Char; + telnet->device.init = telnet_init; + telnet->device.open = telnet_open; + telnet->device.close = telnet_close; + telnet->device.read = telnet_read; + telnet->device.write = telnet_write; + telnet->device.control = telnet_control; + + /* no private */ + telnet->device.user_data = RT_NULL; + + /* register telnet device */ + rt_device_register(&telnet->device, "telnet", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM); + + while (1) + { + rt_kprintf("telnet server waiting for connection\n"); + + /* grab new connection */ + if ((telnet->client_fd = accept(telnet->server_fd, (struct sockaddr * )&addr, &addr_size)) == -1) + { + continue; + } + + rt_kprintf("new telnet client(%s:%d) connection, switch console to telnet...\n", inet_ntoa(addr.sin_addr), addr.sin_port); + + /* process the new connection */ + /* set console */ + rt_console_set_device("telnet"); + /* set finsh device */ + finsh_set_device("telnet"); + + /* set init state */ + telnet->state = STATE_NORMAL; + + telnet->echo_mode = finsh_get_echo(); + /* disable echo mode */ + finsh_set_echo(0); + + while (1) + { + /* try to send all data in tx ringbuffer */ + send_to_client(telnet); + + /* do a rx procedure */ + if ((recv_len = recv(telnet->client_fd, recv_buf, RECV_BUF_LEN, 0)) > 0) + { + process_rx(telnet, recv_buf, recv_len); + } + else + { + /* close connection */ + client_close(telnet); + break; + } + } + } +} + +/* telnet server */ +void telnet_srv(void) +{ + rt_thread_t tid; + + if (telnet == RT_NULL) + { + rt_uint8_t *ptr; + + telnet = rt_malloc(sizeof(struct telnet_session)); + if (telnet == RT_NULL) + { + rt_kprintf("telnet: no memory\n"); + return; + } + /* init ringbuffer */ + ptr = rt_malloc(RX_BUFFER_SIZE); + if (ptr) + { + rt_ringbuffer_init(&telnet->rx_ringbuffer, ptr, RX_BUFFER_SIZE); + } + else + { + rt_kprintf("telnet: no memory\n"); + return; + } + ptr = rt_malloc(TX_BUFFER_SIZE); + if (ptr) + { + rt_ringbuffer_init(&telnet->tx_ringbuffer, ptr, TX_BUFFER_SIZE); + } + else + { + rt_kprintf("telnet: no memory\n"); + return; + } + /* create tx ringbuffer lock */ + telnet->tx_ringbuffer_lock = rt_mutex_create("telnet_tx", RT_IPC_FLAG_FIFO); + /* create rx ringbuffer lock */ + telnet->rx_ringbuffer_lock = rt_mutex_create("telnet_rx", RT_IPC_FLAG_FIFO); + + tid = rt_thread_create("telnet", telnet_thread, RT_NULL, 2048, 25, 5); + if (tid != RT_NULL) + rt_thread_startup(tid); + } + else + { + rt_kprintf("telnet: already running\n"); + } + +} + +#ifdef RT_USING_FINSH +#include +FINSH_FUNCTION_EXPORT(telnet_srv, startup telnet server); +#ifdef FINSH_USING_MSH +MSH_CMD_EXPORT(telnet_srv, startup telnet server) +#endif /* FINSH_USING_MSH */ +#endif /* RT_USING_FINSH */ -- cgit v1.3.1