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add uip

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1125 bbd45198-f89e-11dd-88c7-29a3b14d5316
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itspy.wei
2010-11-26 16:27:45 +00:00
parent a9424c09e1
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2
components/net/uip/apps/README Normal file
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This directory contains a few example applications. They are not all
heavily tested, however.

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components/net/uip/apps/dhcpc/Makefile.dhcpc Normal file
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APP_SOURCES += dhcpc.c timer.c

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components/net/uip/apps/dhcpc/dhcpc.c Normal file
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/*
* Copyright (c) 2005, Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* @(#)$Id: dhcpc.c,v 1.2 2006/06/11 21:46:37 adam Exp $
*/
#include <stdio.h>
#include <string.h>
#include "uip.h"
#include "dhcpc.h"
#include "timer.h"
#include "pt.h"
#define STATE_INITIAL 0
#define STATE_SENDING 1
#define STATE_OFFER_RECEIVED 2
#define STATE_CONFIG_RECEIVED 3
static struct dhcpc_state s;
struct dhcp_msg {
u8_t op, htype, hlen, hops;
u8_t xid[4];
u16_t secs, flags;
u8_t ciaddr[4];
u8_t yiaddr[4];
u8_t siaddr[4];
u8_t giaddr[4];
u8_t chaddr[16];
#ifndef UIP_CONF_DHCP_LIGHT
u8_t sname[64];
u8_t file[128];
#endif
u8_t options[312];
};
#define BOOTP_BROADCAST 0x8000
#define DHCP_REQUEST 1
#define DHCP_REPLY 2
#define DHCP_HTYPE_ETHERNET 1
#define DHCP_HLEN_ETHERNET 6
#define DHCP_MSG_LEN 236
#define DHCPC_SERVER_PORT 67
#define DHCPC_CLIENT_PORT 68
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPDECLINE 4
#define DHCPACK 5
#define DHCPNAK 6
#define DHCPRELEASE 7
#define DHCP_OPTION_SUBNET_MASK 1
#define DHCP_OPTION_ROUTER 3
#define DHCP_OPTION_DNS_SERVER 6
#define DHCP_OPTION_REQ_IPADDR 50
#define DHCP_OPTION_LEASE_TIME 51
#define DHCP_OPTION_MSG_TYPE 53
#define DHCP_OPTION_SERVER_ID 54
#define DHCP_OPTION_REQ_LIST 55
#define DHCP_OPTION_END 255
static const u8_t xid[4] = {0xad, 0xde, 0x12, 0x23};
static const u8_t magic_cookie[4] = {99, 130, 83, 99};
/*---------------------------------------------------------------------------*/
static u8_t *
add_msg_type(u8_t *optptr, u8_t type)
{
*optptr++ = DHCP_OPTION_MSG_TYPE;
*optptr++ = 1;
*optptr++ = type;
return optptr;
}
/*---------------------------------------------------------------------------*/
static u8_t *
add_server_id(u8_t *optptr)
{
*optptr++ = DHCP_OPTION_SERVER_ID;
*optptr++ = 4;
memcpy(optptr, s.serverid, 4);
return optptr + 4;
}
/*---------------------------------------------------------------------------*/
static u8_t *
add_req_ipaddr(u8_t *optptr)
{
*optptr++ = DHCP_OPTION_REQ_IPADDR;
*optptr++ = 4;
memcpy(optptr, s.ipaddr, 4);
return optptr + 4;
}
/*---------------------------------------------------------------------------*/
static u8_t *
add_req_options(u8_t *optptr)
{
*optptr++ = DHCP_OPTION_REQ_LIST;
*optptr++ = 3;
*optptr++ = DHCP_OPTION_SUBNET_MASK;
*optptr++ = DHCP_OPTION_ROUTER;
*optptr++ = DHCP_OPTION_DNS_SERVER;
return optptr;
}
/*---------------------------------------------------------------------------*/
static u8_t *
add_end(u8_t *optptr)
{
*optptr++ = DHCP_OPTION_END;
return optptr;
}
/*---------------------------------------------------------------------------*/
static void
create_msg(register struct dhcp_msg *m)
{
m->op = DHCP_REQUEST;
m->htype = DHCP_HTYPE_ETHERNET;
m->hlen = s.mac_len;
m->hops = 0;
memcpy(m->xid, xid, sizeof(m->xid));
m->secs = 0;
m->flags = HTONS(BOOTP_BROADCAST); /* Broadcast bit. */
/* uip_ipaddr_copy(m->ciaddr, uip_hostaddr);*/
memcpy(m->ciaddr, uip_hostaddr, sizeof(m->ciaddr));
memset(m->yiaddr, 0, sizeof(m->yiaddr));
memset(m->siaddr, 0, sizeof(m->siaddr));
memset(m->giaddr, 0, sizeof(m->giaddr));
memcpy(m->chaddr, s.mac_addr, s.mac_len);
memset(&m->chaddr[s.mac_len], 0, sizeof(m->chaddr) - s.mac_len);
#ifndef UIP_CONF_DHCP_LIGHT
memset(m->sname, 0, sizeof(m->sname));
memset(m->file, 0, sizeof(m->file));
#endif
memcpy(m->options, magic_cookie, sizeof(magic_cookie));
}
/*---------------------------------------------------------------------------*/
static void
send_discover(void)
{
u8_t *end;
struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;
create_msg(m);
end = add_msg_type(&m->options[4], DHCPDISCOVER);
end = add_req_options(end);
end = add_end(end);
uip_send(uip_appdata, end - (u8_t *)uip_appdata);
}
/*---------------------------------------------------------------------------*/
static void
send_request(void)
{
u8_t *end;
struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;
create_msg(m);
end = add_msg_type(&m->options[4], DHCPREQUEST);
end = add_server_id(end);
end = add_req_ipaddr(end);
end = add_end(end);
uip_send(uip_appdata, end - (u8_t *)uip_appdata);
}
/*---------------------------------------------------------------------------*/
static u8_t
parse_options(u8_t *optptr, int len)
{
u8_t *end = optptr + len;
u8_t type = 0;
while(optptr < end) {
switch(*optptr) {
case DHCP_OPTION_SUBNET_MASK:
memcpy(s.netmask, optptr + 2, 4);
break;
case DHCP_OPTION_ROUTER:
memcpy(s.default_router, optptr + 2, 4);
break;
case DHCP_OPTION_DNS_SERVER:
memcpy(s.dnsaddr, optptr + 2, 4);
break;
case DHCP_OPTION_MSG_TYPE:
type = *(optptr + 2);
break;
case DHCP_OPTION_SERVER_ID:
memcpy(s.serverid, optptr + 2, 4);
break;
case DHCP_OPTION_LEASE_TIME:
memcpy(s.lease_time, optptr + 2, 4);
break;
case DHCP_OPTION_END:
return type;
}
optptr += optptr[1] + 2;
}
return type;
}
/*---------------------------------------------------------------------------*/
static u8_t
parse_msg(void)
{
struct dhcp_msg *m = (struct dhcp_msg *)uip_appdata;
if(m->op == DHCP_REPLY &&
memcmp(m->xid, xid, sizeof(xid)) == 0 &&
memcmp(m->chaddr, s.mac_addr, s.mac_len) == 0) {
memcpy(s.ipaddr, m->yiaddr, 4);
return parse_options(&m->options[4], uip_datalen());
}
return 0;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(handle_dhcp(void))
{
PT_BEGIN(&s.pt);
/* try_again:*/
s.state = STATE_SENDING;
s.ticks = CLOCK_SECOND;
do {
send_discover();
timer_set(&s.timer, s.ticks);
PT_WAIT_UNTIL(&s.pt, uip_newdata() || timer_expired(&s.timer));
if(uip_newdata() && parse_msg() == DHCPOFFER) {
s.state = STATE_OFFER_RECEIVED;
break;
}
if(s.ticks < CLOCK_SECOND * 60) {
s.ticks *= 2;
}
} while(s.state != STATE_OFFER_RECEIVED);
s.ticks = CLOCK_SECOND;
do {
send_request();
timer_set(&s.timer, s.ticks);
PT_WAIT_UNTIL(&s.pt, uip_newdata() || timer_expired(&s.timer));
if(uip_newdata() && parse_msg() == DHCPACK) {
s.state = STATE_CONFIG_RECEIVED;
break;
}
if(s.ticks <= CLOCK_SECOND * 10) {
s.ticks += CLOCK_SECOND;
} else {
PT_RESTART(&s.pt);
}
} while(s.state != STATE_CONFIG_RECEIVED);
#if 0
printf("Got IP address %d.%d.%d.%d\n",
uip_ipaddr1(s.ipaddr), uip_ipaddr2(s.ipaddr),
uip_ipaddr3(s.ipaddr), uip_ipaddr4(s.ipaddr));
printf("Got netmask %d.%d.%d.%d\n",
uip_ipaddr1(s.netmask), uip_ipaddr2(s.netmask),
uip_ipaddr3(s.netmask), uip_ipaddr4(s.netmask));
printf("Got DNS server %d.%d.%d.%d\n",
uip_ipaddr1(s.dnsaddr), uip_ipaddr2(s.dnsaddr),
uip_ipaddr3(s.dnsaddr), uip_ipaddr4(s.dnsaddr));
printf("Got default router %d.%d.%d.%d\n",
uip_ipaddr1(s.default_router), uip_ipaddr2(s.default_router),
uip_ipaddr3(s.default_router), uip_ipaddr4(s.default_router));
printf("Lease expires in %ld seconds\n",
ntohs(s.lease_time[0])*65536ul + ntohs(s.lease_time[1]));
#endif
dhcpc_configured(&s);
/* timer_stop(&s.timer);*/
/*
* PT_END restarts the thread so we do this instead. Eventually we
* should reacquire expired leases here.
*/
while(1) {
PT_YIELD(&s.pt);
}
PT_END(&s.pt);
}
/*---------------------------------------------------------------------------*/
void
dhcpc_init(const void *mac_addr, int mac_len)
{
uip_ipaddr_t addr;
s.mac_addr = mac_addr;
s.mac_len = mac_len;
s.state = STATE_INITIAL;
uip_ipaddr(addr, 255,255,255,255);
s.conn = uip_udp_new(&addr, HTONS(DHCPC_SERVER_PORT));
if(s.conn != NULL) {
uip_udp_bind(s.conn, HTONS(DHCPC_CLIENT_PORT));
}
PT_INIT(&s.pt);
}
/*---------------------------------------------------------------------------*/
void
dhcpc_appcall(void)
{
handle_dhcp();
}
/*---------------------------------------------------------------------------*/
void
dhcpc_request(void)
{
u16_t ipaddr[2];
if(s.state == STATE_INITIAL) {
uip_ipaddr(ipaddr, 0,0,0,0);
uip_sethostaddr(ipaddr);
/* handle_dhcp(PROCESS_EVENT_NONE, NULL);*/
}
}
/*---------------------------------------------------------------------------*/

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components/net/uip/apps/dhcpc/dhcpc.h Normal file
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/*
* Copyright (c) 2005, Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* @(#)$Id: dhcpc.h,v 1.3 2006/06/11 21:46:37 adam Exp $
*/
#ifndef __DHCPC_H__
#define __DHCPC_H__
#include "timer.h"
#include "pt.h"
struct dhcpc_state {
struct pt pt;
char state;
struct uip_udp_conn *conn;
struct timer timer;
u16_t ticks;
const void *mac_addr;
int mac_len;
u8_t serverid[4];
u16_t lease_time[2];
u16_t ipaddr[2];
u16_t netmask[2];
u16_t dnsaddr[2];
u16_t default_router[2];
};
void dhcpc_init(const void *mac_addr, int mac_len);
void dhcpc_request(void);
void dhcpc_appcall(void);
void dhcpc_configured(const struct dhcpc_state *s);
typedef struct dhcpc_state uip_udp_appstate_t;
#define UIP_UDP_APPCALL dhcpc_appcall
#endif /* __DHCPC_H__ */

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components/net/uip/apps/hello-world/Makefile.hello-world Normal file
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APP_SOURCES += hello-world.c

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components/net/uip/apps/hello-world/hello-world.c Normal file
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/**
* \addtogroup helloworld
* @{
*/
/**
* \file
* An example of how to write uIP applications
* with protosockets.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* This is a short example of how to write uIP applications using
* protosockets.
*/
/*
* We define the application state (struct hello_world_state) in the
* hello-world.h file, so we need to include it here. We also include
* uip.h (since this cannot be included in hello-world.h) and
* <string.h>, since we use the memcpy() function in the code.
*/
#include "hello-world.h"
#include "uip.h"
#include <string.h>
/*
* Declaration of the protosocket function that handles the connection
* (defined at the end of the code).
*/
static int handle_connection(struct hello_world_state *s);
static int rt_show_info(struct hello_world_state *s);
/*---------------------------------------------------------------------------*/
/*
* The initialization function. We must explicitly call this function
* from the system initialization code, some time after uip_init() is
* called.
*/
void
hello_world_init(void)
{
/* We start to listen for connections on TCP port 1000. */
uip_listen(HTONS(1000));
}
/*---------------------------------------------------------------------------*/
/*
* In hello-world.h we have defined the UIP_APPCALL macro to
* hello_world_appcall so that this funcion is uIP's application
* function. This function is called whenever an uIP event occurs
* (e.g. when a new connection is established, new data arrives, sent
* data is acknowledged, data needs to be retransmitted, etc.).
*/
void
hello_world_appcall(void)
{
/*
* The uip_conn structure has a field called "appstate" that holds
* the application state of the connection. We make a pointer to
* this to access it easier.
*/
struct hello_world_state *s = &(uip_conn->appstate);
/*
* If a new connection was just established, we should initialize
* the protosocket in our applications' state structure.
*/
if(uip_connected()) {
PSOCK_INIT(&s->p, s->inputbuffer, sizeof(s->inputbuffer));
rt_show_info(s);
}
/*
* Finally, we run the protosocket function that actually handles
* the communication. We pass it a pointer to the application state
* of the current connection.
*/
handle_connection(s);
}
/*---------------------------------------------------------------------------*/
/*
* This is the protosocket function that handles the communication. A
* protosocket function must always return an int, but must never
* explicitly return - all return statements are hidden in the PSOCK
* macros.
*/
static int rt_show_info(struct hello_world_state *s)
{
PSOCK_BEGIN(&s->p);
PSOCK_SEND_STR(&s->p,"RT-Thread RTOS");
PSOCK_READTO(&s->p, '\n');
PSOCK_END(&s->p);
}
static int
handle_connection(struct hello_world_state *s)
{
int i;
for (i=0;i<BUF_SIZE;i++)
{
s->name[i] = 0;
s->inputbuffer[i] = 0;
}
PSOCK_BEGIN(&s->p);
//PSOCK_SEND_STR(&s->p, "Hello. What is your name?\n");
PSOCK_READTO(&s->p, '\n');
strncpy(s->name, s->inputbuffer, sizeof(s->name));
//PSOCK_SEND_STR(&s->p, "Hello ");
PSOCK_SEND_STR(&s->p, s->name);
//PSOCK_CLOSE(&s->p);
PSOCK_END(&s->p);
}
/*---------------------------------------------------------------------------*/

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components/net/uip/apps/hello-world/hello-world.h Normal file
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/**
* \addtogroup apps
* @{
*/
/**
* \defgroup helloworld Hello, world
* @{
*
* A small example showing how to write applications with
* \ref psock "protosockets".
*/
/**
* \file
* Header file for an example of how to write uIP applications
* with protosockets.
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __HELLO_WORLD_H__
#define __HELLO_WORLD_H__
/* Since this file will be included by uip.h, we cannot include uip.h
here. But we might need to include uipopt.h if we need the u8_t and
u16_t datatypes. */
#include "uipopt.h"
#include "psock.h"
/* Next, we define the uip_tcp_appstate_t datatype. This is the state
of our application, and the memory required for this state is
allocated together with each TCP connection. One application state
for each TCP connection. */
#define BUF_SIZE 200
typedef struct hello_world_state {
struct psock p;
char inputbuffer[BUF_SIZE];
char name[BUF_SIZE];
} uip_tcp_appstate_t;
/* Finally we define the application function to be called by uIP. */
void hello_world_appcall(void);
#ifndef UIP_APPCALL
#define UIP_APPCALL hello_world_appcall
#endif /* UIP_APPCALL */
void hello_world_init(void);
#endif /* __HELLO_WORLD_H__ */
/** @} */
/** @} */

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components/net/uip/apps/resolv/Makefile.resolv Normal file
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APP_SOURCES += resolv.c

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components/net/uip/apps/resolv/resolv.c Normal file
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/**
* \addtogroup apps
* @{
*/
/**
* \defgroup resolv DNS resolver
* @{
*
* The uIP DNS resolver functions are used to lookup a hostname and
* map it to a numerical IP address. It maintains a list of resolved
* hostnames that can be queried with the resolv_lookup()
* function. New hostnames can be resolved using the resolv_query()
* function.
*
* When a hostname has been resolved (or found to be non-existant),
* the resolver code calls a callback function called resolv_found()
* that must be implemented by the module that uses the resolver.
*/
/**
* \file
* DNS host name to IP address resolver.
* \author Adam Dunkels <adam@dunkels.com>
*
* This file implements a DNS host name to IP address resolver.
*/
/*
* Copyright (c) 2002-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: resolv.c,v 1.5 2006/06/11 21:46:37 adam Exp $
*
*/
#include "resolv.h"
#include "uip.h"
#include <string.h>
#ifndef NULL
#define NULL (void *)0
#endif /* NULL */
/** \internal The maximum number of retries when asking for a name. */
#define MAX_RETRIES 8
/** \internal The DNS message header. */
struct dns_hdr {
u16_t id;
u8_t flags1, flags2;
#define DNS_FLAG1_RESPONSE 0x80
#define DNS_FLAG1_OPCODE_STATUS 0x10
#define DNS_FLAG1_OPCODE_INVERSE 0x08
#define DNS_FLAG1_OPCODE_STANDARD 0x00
#define DNS_FLAG1_AUTHORATIVE 0x04
#define DNS_FLAG1_TRUNC 0x02
#define DNS_FLAG1_RD 0x01
#define DNS_FLAG2_RA 0x80
#define DNS_FLAG2_ERR_MASK 0x0f
#define DNS_FLAG2_ERR_NONE 0x00
#define DNS_FLAG2_ERR_NAME 0x03
u16_t numquestions;
u16_t numanswers;
u16_t numauthrr;
u16_t numextrarr;
};
/** \internal The DNS answer message structure. */
struct dns_answer {
/* DNS answer record starts with either a domain name or a pointer
to a name already present somewhere in the packet. */
u16_t type;
u16_t class;
u16_t ttl[2];
u16_t len;
uip_ipaddr_t ipaddr;
};
struct namemap {
#define STATE_UNUSED 0
#define STATE_NEW 1
#define STATE_ASKING 2
#define STATE_DONE 3
#define STATE_ERROR 4
u8_t state;
u8_t tmr;
u8_t retries;
u8_t seqno;
u8_t err;
char name[32];
uip_ipaddr_t ipaddr;
};
#ifndef UIP_CONF_RESOLV_ENTRIES
#define RESOLV_ENTRIES 4
#else /* UIP_CONF_RESOLV_ENTRIES */
#define RESOLV_ENTRIES UIP_CONF_RESOLV_ENTRIES
#endif /* UIP_CONF_RESOLV_ENTRIES */
static struct namemap names[RESOLV_ENTRIES];
static u8_t seqno;
static struct uip_udp_conn *resolv_conn = NULL;
/*---------------------------------------------------------------------------*/
/** \internal
* Walk through a compact encoded DNS name and return the end of it.
*
* \return The end of the name.
*/
/*---------------------------------------------------------------------------*/
static unsigned char *
parse_name(unsigned char *query)
{
unsigned char n;
do {
n = *query++;
while(n > 0) {
/* printf("%c", *query);*/
++query;
--n;
};
/* printf(".");*/
} while(*query != 0);
/* printf("\n");*/
return query + 1;
}
/*---------------------------------------------------------------------------*/
/** \internal
* Runs through the list of names to see if there are any that have
* not yet been queried and, if so, sends out a query.
*/
/*---------------------------------------------------------------------------*/
static void
check_entries(void)
{
register struct dns_hdr *hdr;
char *query, *nptr, *nameptr;
static u8_t i;
static u8_t n;
register struct namemap *namemapptr;
for(i = 0; i < RESOLV_ENTRIES; ++i) {
namemapptr = &names[i];
if(namemapptr->state == STATE_NEW ||
namemapptr->state == STATE_ASKING) {
if(namemapptr->state == STATE_ASKING) {
if(--namemapptr->tmr == 0) {
if(++namemapptr->retries == MAX_RETRIES) {
namemapptr->state = STATE_ERROR;
resolv_found(namemapptr->name, NULL);
continue;
}
namemapptr->tmr = namemapptr->retries;
} else {
/* printf("Timer %d\n", namemapptr->tmr);*/
/* Its timer has not run out, so we move on to next
entry. */
continue;
}
} else {
namemapptr->state = STATE_ASKING;
namemapptr->tmr = 1;
namemapptr->retries = 0;
}
hdr = (struct dns_hdr *)uip_appdata;
memset(hdr, 0, sizeof(struct dns_hdr));
hdr->id = htons(i);
hdr->flags1 = DNS_FLAG1_RD;
hdr->numquestions = HTONS(1);
query = (char *)uip_appdata + 12;
nameptr = namemapptr->name;
--nameptr;
/* Convert hostname into suitable query format. */
do {
++nameptr;
nptr = query;
++query;
for(n = 0; *nameptr != '.' && *nameptr != 0; ++nameptr) {
*query = *nameptr;
++query;
++n;
}
*nptr = n;
} while(*nameptr != 0);
{
static unsigned char endquery[] =
{0,0,1,0,1};
memcpy(query, endquery, 5);
}
uip_udp_send((unsigned char)(query + 5 - (char *)uip_appdata));
break;
}
}
}
/*---------------------------------------------------------------------------*/
/** \internal
* Called when new UDP data arrives.
*/
/*---------------------------------------------------------------------------*/
static void
newdata(void)
{
char *nameptr;
struct dns_answer *ans;
struct dns_hdr *hdr;
static u8_t nquestions, nanswers;
static u8_t i;
register struct namemap *namemapptr;
hdr = (struct dns_hdr *)uip_appdata;
/* printf("ID %d\n", htons(hdr->id));
printf("Query %d\n", hdr->flags1 & DNS_FLAG1_RESPONSE);
printf("Error %d\n", hdr->flags2 & DNS_FLAG2_ERR_MASK);
printf("Num questions %d, answers %d, authrr %d, extrarr %d\n",
htons(hdr->numquestions),
htons(hdr->numanswers),
htons(hdr->numauthrr),
htons(hdr->numextrarr));
*/
/* The ID in the DNS header should be our entry into the name
table. */
i = htons(hdr->id);
namemapptr = &names[i];
if(i < RESOLV_ENTRIES &&
namemapptr->state == STATE_ASKING) {
/* This entry is now finished. */
namemapptr->state = STATE_DONE;
namemapptr->err = hdr->flags2 & DNS_FLAG2_ERR_MASK;
/* Check for error. If so, call callback to inform. */
if(namemapptr->err != 0) {
namemapptr->state = STATE_ERROR;
resolv_found(namemapptr->name, NULL);
return;
}
/* We only care about the question(s) and the answers. The authrr
and the extrarr are simply discarded. */
nquestions = htons(hdr->numquestions);
nanswers = htons(hdr->numanswers);
/* Skip the name in the question. XXX: This should really be
checked agains the name in the question, to be sure that they
match. */
nameptr = parse_name((char *)uip_appdata + 12) + 4;
while(nanswers > 0) {
/* The first byte in the answer resource record determines if it
is a compressed record or a normal one. */
if(*nameptr & 0xc0) {
/* Compressed name. */
nameptr +=2;
/* printf("Compressed anwser\n");*/
} else {
/* Not compressed name. */
nameptr = parse_name((char *)nameptr);
}
ans = (struct dns_answer *)nameptr;
/* printf("Answer: type %x, class %x, ttl %x, length %x\n",
htons(ans->type), htons(ans->class), (htons(ans->ttl[0])
<< 16) | htons(ans->ttl[1]), htons(ans->len));*/
/* Check for IP address type and Internet class. Others are
discarded. */
if(ans->type == HTONS(1) &&
ans->class == HTONS(1) &&
ans->len == HTONS(4)) {
/* printf("IP address %d.%d.%d.%d\n",
htons(ans->ipaddr[0]) >> 8,
htons(ans->ipaddr[0]) & 0xff,
htons(ans->ipaddr[1]) >> 8,
htons(ans->ipaddr[1]) & 0xff);*/
/* XXX: we should really check that this IP address is the one
we want. */
namemapptr->ipaddr[0] = ans->ipaddr[0];
namemapptr->ipaddr[1] = ans->ipaddr[1];
resolv_found(namemapptr->name, namemapptr->ipaddr);
return;
} else {
nameptr = nameptr + 10 + htons(ans->len);
}
--nanswers;
}
}
}
/*---------------------------------------------------------------------------*/
/** \internal
* The main UDP function.
*/
/*---------------------------------------------------------------------------*/
void
resolv_appcall(void)
{
if(uip_udp_conn->rport == HTONS(53)) {
if(uip_poll()) {
check_entries();
}
if(uip_newdata()) {
newdata();
}
}
}
/*---------------------------------------------------------------------------*/
/**
* Queues a name so that a question for the name will be sent out.
*
* \param name The hostname that is to be queried.
*/
/*---------------------------------------------------------------------------*/
void
resolv_query(char *name)
{
static u8_t i;
static u8_t lseq, lseqi;
register struct namemap *nameptr;
lseq = lseqi = 0;
for(i = 0; i < RESOLV_ENTRIES; ++i) {
nameptr = &names[i];
if(nameptr->state == STATE_UNUSED) {
break;
}
if(seqno - nameptr->seqno > lseq) {
lseq = seqno - nameptr->seqno;
lseqi = i;
}
}
if(i == RESOLV_ENTRIES) {
i = lseqi;
nameptr = &names[i];
}
/* printf("Using entry %d\n", i);*/
strcpy(nameptr->name, name);
nameptr->state = STATE_NEW;
nameptr->seqno = seqno;
++seqno;
}
/*---------------------------------------------------------------------------*/
/**
* Look up a hostname in the array of known hostnames.
*
* \note This function only looks in the internal array of known
* hostnames, it does not send out a query for the hostname if none
* was found. The function resolv_query() can be used to send a query
* for a hostname.
*
* \return A pointer to a 4-byte representation of the hostname's IP
* address, or NULL if the hostname was not found in the array of
* hostnames.
*/
/*---------------------------------------------------------------------------*/
u16_t *
resolv_lookup(char *name)
{
static u8_t i;
struct namemap *nameptr;
/* Walk through the list to see if the name is in there. If it is
not, we return NULL. */
for(i = 0; i < RESOLV_ENTRIES; ++i) {
nameptr = &names[i];
if(nameptr->state == STATE_DONE &&
strcmp(name, nameptr->name) == 0) {
return nameptr->ipaddr;
}
}
return NULL;
}
/*---------------------------------------------------------------------------*/
/**
* Obtain the currently configured DNS server.
*
* \return A pointer to a 4-byte representation of the IP address of
* the currently configured DNS server or NULL if no DNS server has
* been configured.
*/
/*---------------------------------------------------------------------------*/
u16_t *
resolv_getserver(void)
{
if(resolv_conn == NULL) {
return NULL;
}
return resolv_conn->ripaddr;
}
/*---------------------------------------------------------------------------*/
/**
* Configure which DNS server to use for queries.
*
* \param dnsserver A pointer to a 4-byte representation of the IP
* address of the DNS server to be configured.
*/
/*---------------------------------------------------------------------------*/
void
resolv_conf(u16_t *dnsserver)
{
if(resolv_conn != NULL) {
uip_udp_remove(resolv_conn);
}
resolv_conn = uip_udp_new(dnsserver, HTONS(53));
}
/*---------------------------------------------------------------------------*/
/**
* Initalize the resolver.
*/
/*---------------------------------------------------------------------------*/
void
resolv_init(void)
{
static u8_t i;
for(i = 0; i < RESOLV_ENTRIES; ++i) {
names[i].state = STATE_DONE;
}
}
/*---------------------------------------------------------------------------*/
/** @} */
/** @} */

75
components/net/uip/apps/resolv/resolv.h Normal file
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/**
* \addtogroup resolv
* @{
*/
/**
* \file
* DNS resolver code header file.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2002-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: resolv.h,v 1.4 2006/06/11 21:46:37 adam Exp $
*
*/
#ifndef __RESOLV_H__
#define __RESOLV_H__
typedef int uip_udp_appstate_t;
void resolv_appcall(void);
#define UIP_UDP_APPCALL resolv_appcall
#include "uipopt.h"
/**
* Callback function which is called when a hostname is found.
*
* This function must be implemented by the module that uses the DNS
* resolver. It is called when a hostname is found, or when a hostname
* was not found.
*
* \param name A pointer to the name that was looked up. \param
* ipaddr A pointer to a 4-byte array containing the IP address of the
* hostname, or NULL if the hostname could not be found.
*/
void resolv_found(char *name, u16_t *ipaddr);
/* Functions. */
void resolv_conf(u16_t *dnsserver);
u16_t *resolv_getserver(void);
void resolv_init(void);
u16_t *resolv_lookup(char *name);
void resolv_query(char *name);
#endif /* __RESOLV_H__ */
/** @} */

1
components/net/uip/apps/smtp/Makefile.smtp Normal file
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@@ -0,0 +1 @@
APP_SOURCES += smtp.c smtp-strings.c memb.c

40
components/net/uip/apps/smtp/makestrings Normal file
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@@ -0,0 +1,40 @@
#!/usr/bin/perl
sub stringify {
my $name = shift(@_);
open(OUTPUTC, "> $name.c");
open(OUTPUTH, "> $name.h");
open(FILE, "$name");
while(<FILE>) {
if(/(.+) "(.+)"/) {
$var = $1;
$data = $2;
$datan = $data;
$datan =~ s/\\r/\r/g;
$datan =~ s/\\n/\n/g;
$datan =~ s/\\01/\01/g;
$datan =~ s/\\0/\0/g;
printf(OUTPUTC "const char $var\[%d] = \n", length($datan) + 1);
printf(OUTPUTC "/* \"$data\" */\n");
printf(OUTPUTC "{");
for($j = 0; $j < length($datan); $j++) {
printf(OUTPUTC "%#02x, ", unpack("C", substr($datan, $j, 1)));
}
printf(OUTPUTC "};\n");
printf(OUTPUTH "extern const char $var\[%d];\n", length($datan) + 1);
}
}
close(OUTPUTC);
close(OUTPUTH);
}
stringify("smtp-strings");
exit 0;

11
components/net/uip/apps/smtp/smtp-strings Normal file
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@@ -0,0 +1,11 @@
smtp_220 "220"
smtp_helo "HELO "
smtp_mail_from "MAIL FROM: "
smtp_rcpt_to "RCPT TO: "
smtp_data "DATA\r\n"
smtp_to "To: "
smtp_from "From: "
smtp_subject "Subject: "
smtp_quit "QUIT\r\n"
smtp_crnl "\r\n"
smtp_crnlperiodcrnl "\r\n.\r\n"

70
components/net/uip/apps/smtp/smtp-strings.c Normal file
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/*
* Copyright (c) 2004, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: smtp-strings.c,v 1.3 2006/06/11 21:46:37 adam Exp $
*/
const char smtp_220[4] =
/* "220" */
{0x32, 0x32, 0x30, };
const char smtp_helo[6] =
/* "HELO " */
{0x48, 0x45, 0x4c, 0x4f, 0x20, };
const char smtp_mail_from[12] =
/* "MAIL FROM: " */
{0x4d, 0x41, 0x49, 0x4c, 0x20, 0x46, 0x52, 0x4f, 0x4d, 0x3a, 0x20, };
const char smtp_rcpt_to[10] =
/* "RCPT TO: " */
{0x52, 0x43, 0x50, 0x54, 0x20, 0x54, 0x4f, 0x3a, 0x20, };
const char smtp_data[7] =
/* "DATA\r\n" */
{0x44, 0x41, 0x54, 0x41, 0xd, 0xa, };
const char smtp_to[5] =
/* "To: " */
{0x54, 0x6f, 0x3a, 0x20, };
const char smtp_cc[5] =
/* "Cc: " */
{0x43, 0x63, 0x3a, 0x20, };
const char smtp_from[7] =
/* "From: " */
{0x46, 0x72, 0x6f, 0x6d, 0x3a, 0x20, };
const char smtp_subject[10] =
/* "Subject: " */
{0x53, 0x75, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x3a, 0x20, };
const char smtp_quit[7] =
/* "QUIT\r\n" */
{0x51, 0x55, 0x49, 0x54, 0xd, 0xa, };
const char smtp_crnl[3] =
/* "\r\n" */
{0xd, 0xa, };
const char smtp_crnlperiodcrnl[6] =
/* "\r\n.\r\n" */
{0xd, 0xa, 0x2e, 0xd, 0xa, };

46
components/net/uip/apps/smtp/smtp-strings.h Normal file
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/*
* Copyright (c) 2004, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: smtp-strings.h,v 1.3 2006/06/11 21:46:37 adam Exp $
*/
extern const char smtp_220[4];
extern const char smtp_helo[6];
extern const char smtp_mail_from[12];
extern const char smtp_rcpt_to[10];
extern const char smtp_data[7];
extern const char smtp_to[5];
extern const char smtp_cc[5];
extern const char smtp_from[7];
extern const char smtp_subject[10];
extern const char smtp_quit[7];
extern const char smtp_crnl[3];
extern const char smtp_crnlperiodcrnl[6];

262
components/net/uip/apps/smtp/smtp.c Normal file
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/**
* \addtogroup apps
* @{
*/
/**
* \defgroup smtp SMTP E-mail sender
* @{
*
* The Simple Mail Transfer Protocol (SMTP) as defined by RFC821 is
* the standard way of sending and transfering e-mail on the
* Internet. This simple example implementation is intended as an
* example of how to implement protocols in uIP, and is able to send
* out e-mail but has not been extensively tested.
*/
/**
* \file
* SMTP example implementation
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2004, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: smtp.c,v 1.4 2006/06/11 21:46:37 adam Exp $
*/
#include "smtp.h"
#include "smtp-strings.h"
#include "psock.h"
#include "uip.h"
#include <string.h>
static struct smtp_state s;
static char *localhostname;
static uip_ipaddr_t smtpserver;
#define ISO_nl 0x0a
#define ISO_cr 0x0d
#define ISO_period 0x2e
#define ISO_2 0x32
#define ISO_3 0x33
#define ISO_4 0x34
#define ISO_5 0x35
/*---------------------------------------------------------------------------*/
static
PT_THREAD(smtp_thread(void))
{
PSOCK_BEGIN(&s.psock);
PSOCK_READTO(&s.psock, ISO_nl);
if(strncmp(s.inputbuffer, smtp_220, 3) != 0) {
PSOCK_CLOSE(&s.psock);
smtp_done(2);
PSOCK_EXIT(&s.psock);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_helo);
PSOCK_SEND_STR(&s.psock, localhostname);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_2) {
PSOCK_CLOSE(&s.psock);
smtp_done(3);
PSOCK_EXIT(&s.psock);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_mail_from);
PSOCK_SEND_STR(&s.psock, s.from);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_2) {
PSOCK_CLOSE(&s.psock);
smtp_done(4);
PSOCK_EXIT(&s.psock);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_rcpt_to);
PSOCK_SEND_STR(&s.psock, s.to);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_2) {
PSOCK_CLOSE(&s.psock);
smtp_done(5);
PSOCK_EXIT(&s.psock);
}
if(s.cc != 0) {
PSOCK_SEND_STR(&s.psock, (char *)smtp_rcpt_to);
PSOCK_SEND_STR(&s.psock, s.cc);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_2) {
PSOCK_CLOSE(&s.psock);
smtp_done(6);
PSOCK_EXIT(&s.psock);
}
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_data);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_3) {
PSOCK_CLOSE(&s.psock);
smtp_done(7);
PSOCK_EXIT(&s.psock);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_to);
PSOCK_SEND_STR(&s.psock, s.to);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
if(s.cc != 0) {
PSOCK_SEND_STR(&s.psock, (char *)smtp_cc);
PSOCK_SEND_STR(&s.psock, s.cc);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_from);
PSOCK_SEND_STR(&s.psock, s.from);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_SEND_STR(&s.psock, (char *)smtp_subject);
PSOCK_SEND_STR(&s.psock, s.subject);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnl);
PSOCK_SEND(&s.psock, s.msg, s.msglen);
PSOCK_SEND_STR(&s.psock, (char *)smtp_crnlperiodcrnl);
PSOCK_READTO(&s.psock, ISO_nl);
if(s.inputbuffer[0] != ISO_2) {
PSOCK_CLOSE(&s.psock);
smtp_done(8);
PSOCK_EXIT(&s.psock);
}
PSOCK_SEND_STR(&s.psock, (char *)smtp_quit);
smtp_done(SMTP_ERR_OK);
PSOCK_END(&s.psock);
}
/*---------------------------------------------------------------------------*/
void
smtp_appcall(void)
{
if(uip_closed()) {
s.connected = 0;
return;
}
if(uip_aborted() || uip_timedout()) {
s.connected = 0;
smtp_done(1);
return;
}
smtp_thread();
}
/*---------------------------------------------------------------------------*/
/**
* Specificy an SMTP server and hostname.
*
* This function is used to configure the SMTP module with an SMTP
* server and the hostname of the host.
*
* \param lhostname The hostname of the uIP host.
*
* \param server A pointer to a 4-byte array representing the IP
* address of the SMTP server to be configured.
*/
void
smtp_configure(char *lhostname, void *server)
{
localhostname = lhostname;
uip_ipaddr_copy(smtpserver, server);
}
/*---------------------------------------------------------------------------*/
/**
* Send an e-mail.
*
* \param to The e-mail address of the receiver of the e-mail.
* \param cc The e-mail address of the CC: receivers of the e-mail.
* \param from The e-mail address of the sender of the e-mail.
* \param subject The subject of the e-mail.
* \param msg The actual e-mail message.
* \param msglen The length of the e-mail message.
*/
unsigned char
smtp_send(char *to, char *cc, char *from,
char *subject, char *msg, u16_t msglen)
{
struct uip_conn *conn;
conn = uip_connect(smtpserver, HTONS(25));
if(conn == NULL) {
return 0;
}
s.connected = 1;
s.to = to;
s.cc = cc;
s.from = from;
s.subject = subject;
s.msg = msg;
s.msglen = msglen;
PSOCK_INIT(&s.psock, s.inputbuffer, sizeof(s.inputbuffer));
return 1;
}
/*---------------------------------------------------------------------------*/
void
smtp_init(void)
{
s.connected = 0;
}
/*---------------------------------------------------------------------------*/
/** @} */
/** @} */

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/**
* \addtogroup smtp
* @{
*/
/**
* \file
* SMTP header file
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: smtp.h,v 1.4 2006/06/11 21:46:37 adam Exp $
*
*/
#ifndef __SMTP_H__
#define __SMTP_H__
#include "uipopt.h"
/**
* Error number that signifies a non-error condition.
*/
#define SMTP_ERR_OK 0
/**
* Callback function that is called when an e-mail transmission is
* done.
*
* This function must be implemented by the module that uses the SMTP
* module.
*
* \param error The number of the error if an error occured, or
* SMTP_ERR_OK.
*/
void smtp_done(unsigned char error);
void smtp_init(void);
/* Functions. */
void smtp_configure(char *localhostname, u16_t *smtpserver);
unsigned char smtp_send(char *to, char *from,
char *subject, char *msg,
u16_t msglen);
#define SMTP_SEND(to, cc, from, subject, msg) \
smtp_send(to, cc, from, subject, msg, strlen(msg))
void smtp_appcall(void);
struct smtp_state {
u8_t state;
char *to;
char *from;
char *subject;
char *msg;
u16_t msglen;
u16_t sentlen, textlen;
u16_t sendptr;
};
#ifndef UIP_APPCALL
#define UIP_APPCALL smtp_appcall
#endif
typedef struct smtp_state uip_tcp_appstate_t;
#endif /* __SMTP_H__ */
/** @} */

1
components/net/uip/apps/telnetd/Makefile.telnetd Normal file
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APP_SOURCES += telnetd.c shell.c memb.c

350
components/net/uip/apps/telnetd/telnetd.c Normal file
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@@ -0,0 +1,350 @@
/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* $Id: telnetd.c,v 1.2 2006/06/07 09:43:54 adam Exp $
*
*/
#include "uip.h"
#include "telnetd.h"
#include "memb.h"
#include "shell.h"
#include <string.h>
#define ISO_nl 0x0a
#define ISO_cr 0x0d
struct telnetd_line {
char line[TELNETD_CONF_LINELEN];
};
MEMB(linemem, struct telnetd_line, TELNETD_CONF_NUMLINES);
#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
static struct telnetd_state s;
#define TELNET_IAC 255
#define TELNET_WILL 251
#define TELNET_WONT 252
#define TELNET_DO 253
#define TELNET_DONT 254
/*---------------------------------------------------------------------------*/
static char *
alloc_line(void)
{
return memb_alloc(&linemem);
}
/*---------------------------------------------------------------------------*/
static void
dealloc_line(char *line)
{
memb_free(&linemem, line);
}
/*---------------------------------------------------------------------------*/
void
shell_quit(char *str)
{
s.state = STATE_CLOSE;
}
/*---------------------------------------------------------------------------*/
static void
sendline(char *line)
{
static unsigned int i;
for(i = 0; i < TELNETD_CONF_NUMLINES; ++i) {
if(s.lines[i] == NULL) {
s.lines[i] = line;
break;
}
}
if(i == TELNETD_CONF_NUMLINES) {
dealloc_line(line);
}
}
/*---------------------------------------------------------------------------*/
void
shell_prompt(char *str)
{
char *line;
line = alloc_line();
if(line != NULL) {
strncpy(line, str, TELNETD_CONF_LINELEN);
/* petsciiconv_toascii(line, TELNETD_CONF_LINELEN);*/
sendline(line);
}
}
/*---------------------------------------------------------------------------*/
void
shell_output(char *str1, char *str2)
{
static unsigned len;
char *line;
line = alloc_line();
if(line != NULL) {
len = strlen(str1);
strncpy(line, str1, TELNETD_CONF_LINELEN);
if(len < TELNETD_CONF_LINELEN) {
strncpy(line + len, str2, TELNETD_CONF_LINELEN - len);
}
len = strlen(line);
if(len < TELNETD_CONF_LINELEN - 2) {
line[len] = ISO_cr;
line[len+1] = ISO_nl;
line[len+2] = 0;
}
/* petsciiconv_toascii(line, TELNETD_CONF_LINELEN);*/
sendline(line);
}
}
/*---------------------------------------------------------------------------*/
void
telnetd_init(void)
{
uip_listen(HTONS(23));
memb_init(&linemem);
shell_init();
}
/*---------------------------------------------------------------------------*/
static void
acked(void)
{
static unsigned int i;
while(s.numsent > 0) {
dealloc_line(s.lines[0]);
for(i = 1; i < TELNETD_CONF_NUMLINES; ++i) {
s.lines[i - 1] = s.lines[i];
}
s.lines[TELNETD_CONF_NUMLINES - 1] = NULL;
--s.numsent;
}
}
/*---------------------------------------------------------------------------*/
static void
senddata(void)
{
static char *bufptr, *lineptr;
static int buflen, linelen;
bufptr = uip_appdata;
buflen = 0;
for(s.numsent = 0; s.numsent < TELNETD_CONF_NUMLINES &&
s.lines[s.numsent] != NULL ; ++s.numsent) {
lineptr = s.lines[s.numsent];
linelen = strlen(lineptr);
if(linelen > TELNETD_CONF_LINELEN) {
linelen = TELNETD_CONF_LINELEN;
}
if(buflen + linelen < uip_mss()) {
memcpy(bufptr, lineptr, linelen);
bufptr += linelen;
buflen += linelen;
} else {
break;
}
}
uip_send(uip_appdata, buflen);
}
/*---------------------------------------------------------------------------*/
static void
closed(void)
{
static unsigned int i;
for(i = 0; i < TELNETD_CONF_NUMLINES; ++i) {
if(s.lines[i] != NULL) {
dealloc_line(s.lines[i]);
}
}
}
/*---------------------------------------------------------------------------*/
static void
get_char(u8_t c)
{
if(c == ISO_cr) {
return;
}
s.buf[(int)s.bufptr] = c;
if(s.buf[(int)s.bufptr] == ISO_nl ||
s.bufptr == sizeof(s.buf) - 1) {
if(s.bufptr > 0) {
s.buf[(int)s.bufptr] = 0;
/* petsciiconv_topetscii(s.buf, TELNETD_CONF_LINELEN);*/
}
shell_input(s.buf);
s.bufptr = 0;
} else {
++s.bufptr;
}
}
/*---------------------------------------------------------------------------*/
static void
sendopt(u8_t option, u8_t value)
{
char *line;
line = alloc_line();
if(line != NULL) {
line[0] = TELNET_IAC;
line[1] = option;
line[2] = value;
line[3] = 0;
sendline(line);
}
}
/*---------------------------------------------------------------------------*/
static void
newdata(void)
{
u16_t len;
u8_t c;
char *dataptr;
len = uip_datalen();
dataptr = (char *)uip_appdata;
while(len > 0 && s.bufptr < sizeof(s.buf)) {
c = *dataptr;
++dataptr;
--len;
switch(s.state) {
case STATE_IAC:
if(c == TELNET_IAC) {
get_char(c);
s.state = STATE_NORMAL;
} else {
switch(c) {
case TELNET_WILL:
s.state = STATE_WILL;
break;
case TELNET_WONT:
s.state = STATE_WONT;
break;
case TELNET_DO:
s.state = STATE_DO;
break;
case TELNET_DONT:
s.state = STATE_DONT;
break;
default:
s.state = STATE_NORMAL;
break;
}
}
break;
case STATE_WILL:
/* Reply with a DONT */
sendopt(TELNET_DONT, c);
s.state = STATE_NORMAL;
break;
case STATE_WONT:
/* Reply with a DONT */
sendopt(TELNET_DONT, c);
s.state = STATE_NORMAL;
break;
case STATE_DO:
/* Reply with a WONT */
sendopt(TELNET_WONT, c);
s.state = STATE_NORMAL;
break;
case STATE_DONT:
/* Reply with a WONT */
sendopt(TELNET_WONT, c);
s.state = STATE_NORMAL;
break;
case STATE_NORMAL:
if(c == TELNET_IAC) {
s.state = STATE_IAC;
} else {
get_char(c);
}
break;
}
}
}
/*---------------------------------------------------------------------------*/
void
telnetd_appcall(void)
{
static unsigned int i;
if(uip_connected()) {
/* tcp_markconn(uip_conn, &s);*/
for(i = 0; i < TELNETD_CONF_NUMLINES; ++i) {
s.lines[i] = NULL;
}
s.bufptr = 0;
s.state = STATE_NORMAL;
shell_start();
}
if(s.state == STATE_CLOSE) {
s.state = STATE_NORMAL;
uip_close();
return;
}
if(uip_closed() ||
uip_aborted() ||
uip_timedout()) {
closed();
}
if(uip_acked()) {
acked();
}
if(uip_newdata()) {
newdata();
}
if(uip_rexmit() ||
uip_newdata() ||
uip_acked() ||
uip_connected() ||
uip_poll()) {
senddata();
}
}
/*---------------------------------------------------------------------------*/

63
components/net/uip/apps/telnetd/telnetd.h Normal file
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/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* $Id: telnetd.h,v 1.2 2006/06/07 09:43:54 adam Exp $
*
*/
#ifndef __TELNETD_H__
#define __TELNETD_H__
#include "uipopt.h"
void telnetd_appcall(void);
#ifndef TELNETD_CONF_LINELEN
#define TELNETD_CONF_LINELEN 40
#endif
#ifndef TELNETD_CONF_NUMLINES
#define TELNETD_CONF_NUMLINES 16
#endif
struct telnetd_state {
char *lines[TELNETD_CONF_NUMLINES];
char buf[TELNETD_CONF_LINELEN];
char bufptr;
u8_t numsent;
u8_t state;
};
typedef struct telnetd_state uip_tcp_appstate_t;
#ifndef UIP_APPCALL
#define UIP_APPCALL telnetd_appcall
#endif
#endif /* __TELNETD_H__ */

123
components/net/uip/apps/telnetd/uip_shell.c Normal file
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/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: shell.c,v 1.1 2006/06/07 09:43:54 adam Exp $
*
*/
#include "uip_shell.h"
#include <string.h>
struct ptentry {
char *commandstr;
void (* pfunc)(char *str);
};
#define SHELL_PROMPT "uIP 1.0> "
/*---------------------------------------------------------------------------*/
static void
parse(register char *str, struct ptentry *t)
{
struct ptentry *p;
for(p = t; p->commandstr != NULL; ++p) {
if(strncmp(p->commandstr, str, strlen(p->commandstr)) == 0) {
break;
}
}
p->pfunc(str);
}
/*---------------------------------------------------------------------------*/
static void
inttostr(register char *str, unsigned int i)
{
str[0] = '0' + i / 100;
if(str[0] == '0') {
str[0] = ' ';
}
str[1] = '0' + (i / 10) % 10;
if(str[0] == ' ' && str[1] == '0') {
str[1] = ' ';
}
str[2] = '0' + i % 10;
str[3] = ' ';
str[4] = 0;
}
/*---------------------------------------------------------------------------*/
static void
help(char *str)
{
shell_output("Available commands:", "");
shell_output("stats - show network statistics", "");
shell_output("conn - show TCP connections", "");
shell_output("help, ? - show help", "");
shell_output("exit - exit shell", "");
}
/*---------------------------------------------------------------------------*/
static void
unknown(char *str)
{
if(strlen(str) > 0) {
shell_output("Unknown command: ", str);
}
}
/*---------------------------------------------------------------------------*/
static struct ptentry parsetab[] =
{{"stats", help},
{"conn", help},
{"help", help},
{"exit", shell_quit},
{"?", help},
/* Default action */
{NULL, unknown}};
/*---------------------------------------------------------------------------*/
void
shell_init(void)
{
}
/*---------------------------------------------------------------------------*/
void
shell_start(void)
{
shell_output("uIP command shell", "");
shell_output("Type '?' and return for help", "");
shell_prompt(SHELL_PROMPT);
}
/*---------------------------------------------------------------------------*/
void
shell_input(char *cmd)
{
parse(cmd, parsetab);
shell_prompt(SHELL_PROMPT);
}
/*---------------------------------------------------------------------------*/

104
components/net/uip/apps/telnetd/uip_shell.h Normal file
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/**
* \file
* Interface for the Contiki shell.
* \author Adam Dunkels <adam@dunkels.com>
*
* Some of the functions declared in this file must be implemented as
* a shell back-end in the architecture specific files of a Contiki
* port.
*/
/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the Contiki desktop OS.
*
* $Id: shell.h,v 1.1 2006/06/07 09:43:54 adam Exp $
*
*/
#ifndef __SHELL_H__
#define __SHELL_H__
/**
* Initialize the shell.
*
* Called when the shell front-end process starts. This function may
* be used to start listening for signals.
*/
void shell_init(void);
/**
* Start the shell back-end.
*
* Called by the front-end when a new shell is started.
*/
void shell_start(void);
/**
* Process a shell command.
*
* This function will be called by the shell GUI / telnet server whan
* a command has been entered that should be processed by the shell
* back-end.
*
* \param command The command to be processed.
*/
void shell_input(char *command);
/**
* Quit the shell.
*
*/
void shell_quit(char *);
/**
* Print a string to the shell window.
*
* This function is implemented by the shell GUI / telnet server and
* can be called by the shell back-end to output a string in the
* shell window. The string is automatically appended with a linebreak.
*
* \param str1 The first half of the string to be output.
* \param str2 The second half of the string to be output.
*/
void shell_output(char *str1, char *str2);
/**
* Print a prompt to the shell window.
*
* This function can be used by the shell back-end to print out a
* prompt to the shell window.
*
* \param prompt The prompt to be printed.
*
*/
void shell_prompt(char *prompt);
#endif /* __SHELL_H__ */

1
components/net/uip/apps/webclient/Makefile.webclient Normal file
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@@ -0,0 +1 @@
APP_SOURCES += webclient-strings.c webclient.c

40
components/net/uip/apps/webclient/makestrings Normal file
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@@ -0,0 +1,40 @@
#!/usr/bin/perl
sub stringify {
my $name = shift(@_);
open(OUTPUTC, "> $name.c");
open(OUTPUTH, "> $name.h");
open(FILE, "$name");
while(<FILE>) {
if(/(.+) "(.+)"/) {
$var = $1;
$data = $2;
$datan = $data;
$datan =~ s/\\r/\r/g;
$datan =~ s/\\n/\n/g;
$datan =~ s/\\01/\01/g;
$datan =~ s/\\0/\0/g;
printf(OUTPUTC "const char $var\[%d] = \n", length($datan) + 1);
printf(OUTPUTC "/* \"$data\" */\n");
printf(OUTPUTC "{");
for($j = 0; $j < length($datan); $j++) {
printf(OUTPUTC "%#02x, ", unpack("C", substr($datan, $j, 1)));
}
printf(OUTPUTC "0 };\n");
printf(OUTPUTH "extern const char $var\[%d];\n", length($datan) + 1);
}
}
close(OUTPUTC);
close(OUTPUTH);
}
stringify("webclient-strings");
exit 0;

31
components/net/uip/apps/webclient/webclient-strings Normal file
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@@ -0,0 +1,31 @@
http_http "http://"
http_200 "200 "
http_301 "301 "
http_302 "302 "
http_get "GET "
http_10 "HTTP/1.0"
http_11 "HTTP/1.1"
http_content_type "content-type: "
http_texthtml "text/html"
http_location "location: "
http_host "host: "
http_crnl "\r\n"
http_index_html "/index.html"
http_404_html "/404.html"
http_content_type_html "Content-type: text/html\r\n\r\n"
http_content_type_css "Content-type: text/css\r\n\r\n"
http_content_type_text "Content-type: text/text\r\n\r\n"
http_content_type_png "Content-type: image/png\r\n\r\n"
http_content_type_gif "Content-type: image/gif\r\n\r\n"
http_content_type_jpg "Content-type: image/jpeg\r\n\r\n"
http_content_type_binary "Content-type: application/octet-stream\r\n\r\n"
http_html ".html"
http_shtml ".shtml"
http_htm ".htm"
http_css ".css"
http_png ".png"
http_gif ".gif"
http_jpg ".jpg"
http_text ".text"
http_txt ".txt"
http_user_agent_fields "Connection: close\r\nUser-Agent: uIP/1.0 (; http://www.sics.se/~adam/uip/)\r\n\r\n"

93
components/net/uip/apps/webclient/webclient-strings.c Normal file
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const char http_http[8] =
/* "http://" */
{0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0 };
const char http_200[5] =
/* "200 " */
{0x32, 0x30, 0x30, 0x20, 0 };
const char http_301[5] =
/* "301 " */
{0x33, 0x30, 0x31, 0x20, 0 };
const char http_302[5] =
/* "302 " */
{0x33, 0x30, 0x32, 0x20, 0 };
const char http_get[5] =
/* "GET " */
{0x47, 0x45, 0x54, 0x20, 0 };
const char http_10[9] =
/* "HTTP/1.0" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0 };
const char http_11[9] =
/* "HTTP/1.1" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31, 0 };
const char http_content_type[15] =
/* "content-type: " */
{0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0 };
const char http_texthtml[10] =
/* "text/html" */
{0x74, 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0 };
const char http_location[11] =
/* "location: " */
{0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0 };
const char http_host[7] =
/* "host: " */
{0x68, 0x6f, 0x73, 0x74, 0x3a, 0x20, 0 };
const char http_crnl[3] =
/* "\r\n" */
{0xd, 0xa, 0 };
const char http_index_html[12] =
/* "/index.html" */
{0x2f, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0 };
const char http_404_html[10] =
/* "/404.html" */
{0x2f, 0x34, 0x30, 0x34, 0x2e, 0x68, 0x74, 0x6d, 0x6c, 0 };
const char http_content_type_html[28] =
/* "Content-type: text/html\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_css [27] =
/* "Content-type: text/css\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x63, 0x73, 0x73, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_text[28] =
/* "Content-type: text/text\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x74, 0x65, 0x78, 0x74, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_png [28] =
/* "Content-type: image/png\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x70, 0x6e, 0x67, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_gif [28] =
/* "Content-type: image/gif\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x67, 0x69, 0x66, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_jpg [29] =
/* "Content-type: image/jpeg\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x65, 0x67, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_content_type_binary[43] =
/* "Content-type: application/octet-stream\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x6f, 0x63, 0x74, 0x65, 0x74, 0x2d, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0xd, 0xa, 0xd, 0xa, 0 };
const char http_html[6] =
/* ".html" */
{0x2e, 0x68, 0x74, 0x6d, 0x6c, 0 };
const char http_shtml[7] =
/* ".shtml" */
{0x2e, 0x73, 0x68, 0x74, 0x6d, 0x6c, 0 };
const char http_htm[5] =
/* ".htm" */
{0x2e, 0x68, 0x74, 0x6d, 0 };
const char http_css[5] =
/* ".css" */
{0x2e, 0x63, 0x73, 0x73, 0 };
const char http_png[5] =
/* ".png" */
{0x2e, 0x70, 0x6e, 0x67, 0 };
const char http_gif[5] =
/* ".gif" */
{0x2e, 0x67, 0x69, 0x66, 0 };
const char http_jpg[5] =
/* ".jpg" */
{0x2e, 0x6a, 0x70, 0x67, 0 };
const char http_text[6] =
/* ".text" */
{0x2e, 0x74, 0x65, 0x78, 0x74, 0 };
const char http_txt[5] =
/* ".txt" */
{0x2e, 0x74, 0x78, 0x74, 0 };
const char http_user_agent_fields[77] =
/* "Connection: close\r\nUser-Agent: uIP/1.0 (; http://www.sics.se/~adam/uip/)\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, 0x55, 0x73, 0x65, 0x72, 0x2d, 0x41, 0x67, 0x65, 0x6e, 0x74, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x28, 0x3b, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x69, 0x63, 0x73, 0x2e, 0x73, 0x65, 0x2f, 0x7e, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, 0x70, 0x2f, 0x29, 0xd, 0xa, 0xd, 0xa, 0 };

31
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extern const char http_http[8];
extern const char http_200[5];
extern const char http_301[5];
extern const char http_302[5];
extern const char http_get[5];
extern const char http_10[9];
extern const char http_11[9];
extern const char http_content_type[15];
extern const char http_texthtml[10];
extern const char http_location[11];
extern const char http_host[7];
extern const char http_crnl[3];
extern const char http_index_html[12];
extern const char http_404_html[10];
extern const char http_content_type_html[28];
extern const char http_content_type_css [27];
extern const char http_content_type_text[28];
extern const char http_content_type_png [28];
extern const char http_content_type_gif [28];
extern const char http_content_type_jpg [29];
extern const char http_content_type_binary[43];
extern const char http_html[6];
extern const char http_shtml[7];
extern const char http_htm[5];
extern const char http_css[5];
extern const char http_png[5];
extern const char http_gif[5];
extern const char http_jpg[5];
extern const char http_text[6];
extern const char http_txt[5];
extern const char http_user_agent_fields[77];

439
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/**
* \addtogroup apps
* @{
*/
/**
* \defgroup webclient Web client
* @{
*
* This example shows a HTTP client that is able to download web pages
* and files from web servers. It requires a number of callback
* functions to be implemented by the module that utilizes the code:
* webclient_datahandler(), webclient_connected(),
* webclient_timedout(), webclient_aborted(), webclient_closed().
*/
/**
* \file
* Implementation of the HTTP client.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: webclient.c,v 1.2 2006/06/11 21:46:37 adam Exp $
*
*/
#include "uip.h"
#include "uiplib.h"
#include "webclient.h"
#include "resolv.h"
#include <string.h>
#define WEBCLIENT_TIMEOUT 100
#define WEBCLIENT_STATE_STATUSLINE 0
#define WEBCLIENT_STATE_HEADERS 1
#define WEBCLIENT_STATE_DATA 2
#define WEBCLIENT_STATE_CLOSE 3
#define HTTPFLAG_NONE 0
#define HTTPFLAG_OK 1
#define HTTPFLAG_MOVED 2
#define HTTPFLAG_ERROR 3
#define ISO_nl 0x0a
#define ISO_cr 0x0d
#define ISO_space 0x20
static struct webclient_state s;
/*-----------------------------------------------------------------------------------*/
char *
webclient_mimetype(void)
{
return s.mimetype;
}
/*-----------------------------------------------------------------------------------*/
char *
webclient_filename(void)
{
return s.file;
}
/*-----------------------------------------------------------------------------------*/
char *
webclient_hostname(void)
{
return s.host;
}
/*-----------------------------------------------------------------------------------*/
unsigned short
webclient_port(void)
{
return s.port;
}
/*-----------------------------------------------------------------------------------*/
void
webclient_init(void)
{
}
/*-----------------------------------------------------------------------------------*/
static void
init_connection(void)
{
s.state = WEBCLIENT_STATE_STATUSLINE;
s.getrequestleft = sizeof(http_get) - 1 + 1 +
sizeof(http_10) - 1 +
sizeof(http_crnl) - 1 +
sizeof(http_host) - 1 +
sizeof(http_crnl) - 1 +
strlen(http_user_agent_fields) +
strlen(s.file) + strlen(s.host);
s.getrequestptr = 0;
s.httpheaderlineptr = 0;
}
/*-----------------------------------------------------------------------------------*/
void
webclient_close(void)
{
s.state = WEBCLIENT_STATE_CLOSE;
}
/*-----------------------------------------------------------------------------------*/
unsigned char
webclient_get(char *host, u16_t port, char *file)
{
struct uip_conn *conn;
uip_ipaddr_t *ipaddr;
static uip_ipaddr_t addr;
/* First check if the host is an IP address. */
ipaddr = &addr;
if(uiplib_ipaddrconv(host, (unsigned char *)addr) == 0) {
ipaddr = (uip_ipaddr_t *)resolv_lookup(host);
if(ipaddr == NULL) {
return 0;
}
}
conn = uip_connect(ipaddr, htons(port));
if(conn == NULL) {
return 0;
}
s.port = port;
strncpy(s.file, file, sizeof(s.file));
strncpy(s.host, host, sizeof(s.host));
init_connection();
return 1;
}
/*-----------------------------------------------------------------------------------*/
static unsigned char *
copy_string(unsigned char *dest,
const unsigned char *src, unsigned char len)
{
strncpy(dest, src, len);
return dest + len;
}
/*-----------------------------------------------------------------------------------*/
static void
senddata(void)
{
u16_t len;
char *getrequest;
char *cptr;
if(s.getrequestleft > 0) {
cptr = getrequest = (char *)uip_appdata;
cptr = copy_string(cptr, http_get, sizeof(http_get) - 1);
cptr = copy_string(cptr, s.file, strlen(s.file));
*cptr++ = ISO_space;
cptr = copy_string(cptr, http_10, sizeof(http_10) - 1);
cptr = copy_string(cptr, http_crnl, sizeof(http_crnl) - 1);
cptr = copy_string(cptr, http_host, sizeof(http_host) - 1);
cptr = copy_string(cptr, s.host, strlen(s.host));
cptr = copy_string(cptr, http_crnl, sizeof(http_crnl) - 1);
cptr = copy_string(cptr, http_user_agent_fields,
strlen(http_user_agent_fields));
len = s.getrequestleft > uip_mss()?
uip_mss():
s.getrequestleft;
uip_send(&(getrequest[s.getrequestptr]), len);
}
}
/*-----------------------------------------------------------------------------------*/
static void
acked(void)
{
u16_t len;
if(s.getrequestleft > 0) {
len = s.getrequestleft > uip_mss()?
uip_mss():
s.getrequestleft;
s.getrequestleft -= len;
s.getrequestptr += len;
}
}
/*-----------------------------------------------------------------------------------*/
static u16_t
parse_statusline(u16_t len)
{
char *cptr;
while(len > 0 && s.httpheaderlineptr < sizeof(s.httpheaderline)) {
s.httpheaderline[s.httpheaderlineptr] = *(char *)uip_appdata;
++((char *)uip_appdata);
--len;
if(s.httpheaderline[s.httpheaderlineptr] == ISO_nl) {
if((strncmp(s.httpheaderline, http_10,
sizeof(http_10) - 1) == 0) ||
(strncmp(s.httpheaderline, http_11,
sizeof(http_11) - 1) == 0)) {
cptr = &(s.httpheaderline[9]);
s.httpflag = HTTPFLAG_NONE;
if(strncmp(cptr, http_200, sizeof(http_200) - 1) == 0) {
/* 200 OK */
s.httpflag = HTTPFLAG_OK;
} else if(strncmp(cptr, http_301, sizeof(http_301) - 1) == 0 ||
strncmp(cptr, http_302, sizeof(http_302) - 1) == 0) {
/* 301 Moved permanently or 302 Found. Location: header line
will contain thw new location. */
s.httpflag = HTTPFLAG_MOVED;
} else {
s.httpheaderline[s.httpheaderlineptr - 1] = 0;
}
} else {
uip_abort();
webclient_aborted();
return 0;
}
/* We're done parsing the status line, so we reset the pointer
and start parsing the HTTP headers.*/
s.httpheaderlineptr = 0;
s.state = WEBCLIENT_STATE_HEADERS;
break;
} else {
++s.httpheaderlineptr;
}
}
return len;
}
/*-----------------------------------------------------------------------------------*/
static char
casecmp(char *str1, const char *str2, char len)
{
static char c;
while(len > 0) {
c = *str1;
/* Force lower-case characters. */
if(c & 0x40) {
c |= 0x20;
}
if(*str2 != c) {
return 1;
}
++str1;
++str2;
--len;
}
return 0;
}
/*-----------------------------------------------------------------------------------*/
static u16_t
parse_headers(u16_t len)
{
char *cptr;
static unsigned char i;
while(len > 0 && s.httpheaderlineptr < sizeof(s.httpheaderline)) {
s.httpheaderline[s.httpheaderlineptr] = *(char *)uip_appdata;
++((char *)uip_appdata);
--len;
if(s.httpheaderline[s.httpheaderlineptr] == ISO_nl) {
/* We have an entire HTTP header line in s.httpheaderline, so
we parse it. */
if(s.httpheaderline[0] == ISO_cr) {
/* This was the last header line (i.e., and empty "\r\n"), so
we are done with the headers and proceed with the actual
data. */
s.state = WEBCLIENT_STATE_DATA;
return len;
}
s.httpheaderline[s.httpheaderlineptr - 1] = 0;
/* Check for specific HTTP header fields. */
if(casecmp(s.httpheaderline, http_content_type,
sizeof(http_content_type) - 1) == 0) {
/* Found Content-type field. */
cptr = strchr(s.httpheaderline, ';');
if(cptr != NULL) {
*cptr = 0;
}
strncpy(s.mimetype, s.httpheaderline +
sizeof(http_content_type) - 1, sizeof(s.mimetype));
} else if(casecmp(s.httpheaderline, http_location,
sizeof(http_location) - 1) == 0) {
cptr = s.httpheaderline +
sizeof(http_location) - 1;
if(strncmp(cptr, http_http, 7) == 0) {
cptr += 7;
for(i = 0; i < s.httpheaderlineptr - 7; ++i) {
if(*cptr == 0 ||
*cptr == '/' ||
*cptr == ' ' ||
*cptr == ':') {
s.host[i] = 0;
break;
}
s.host[i] = *cptr;
++cptr;
}
}
strncpy(s.file, cptr, sizeof(s.file));
/* s.file[s.httpheaderlineptr - i] = 0;*/
}
/* We're done parsing, so we reset the pointer and start the
next line. */
s.httpheaderlineptr = 0;
} else {
++s.httpheaderlineptr;
}
}
return len;
}
/*-----------------------------------------------------------------------------------*/
static void
newdata(void)
{
u16_t len;
len = uip_datalen();
if(s.state == WEBCLIENT_STATE_STATUSLINE) {
len = parse_statusline(len);
}
if(s.state == WEBCLIENT_STATE_HEADERS && len > 0) {
len = parse_headers(len);
}
if(len > 0 && s.state == WEBCLIENT_STATE_DATA &&
s.httpflag != HTTPFLAG_MOVED) {
webclient_datahandler((char *)uip_appdata, len);
}
}
/*-----------------------------------------------------------------------------------*/
void
webclient_appcall(void)
{
if(uip_connected()) {
s.timer = 0;
s.state = WEBCLIENT_STATE_STATUSLINE;
senddata();
webclient_connected();
return;
}
if(s.state == WEBCLIENT_STATE_CLOSE) {
webclient_closed();
uip_abort();
return;
}
if(uip_aborted()) {
webclient_aborted();
}
if(uip_timedout()) {
webclient_timedout();
}
if(uip_acked()) {
s.timer = 0;
acked();
}
if(uip_newdata()) {
s.timer = 0;
newdata();
}
if(uip_rexmit() ||
uip_newdata() ||
uip_acked()) {
senddata();
} else if(uip_poll()) {
++s.timer;
if(s.timer == WEBCLIENT_TIMEOUT) {
webclient_timedout();
uip_abort();
return;
}
/* senddata();*/
}
if(uip_closed()) {
if(s.httpflag != HTTPFLAG_MOVED) {
/* Send NULL data to signal EOF. */
webclient_datahandler(NULL, 0);
} else {
if(resolv_lookup(s.host) == NULL) {
resolv_query(s.host);
}
webclient_get(s.host, s.port, s.file);
}
}
}
/*-----------------------------------------------------------------------------------*/
/** @} */
/** @} */

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/**
* \addtogroup webclient
* @{
*/
/**
* \file
* Header file for the HTTP client.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: webclient.h,v 1.2 2006/06/11 21:46:37 adam Exp $
*
*/
#ifndef __WEBCLIENT_H__
#define __WEBCLIENT_H__
#include "webclient-strings.h"
#include "uipopt.h"
#define WEBCLIENT_CONF_MAX_URLLEN 100
struct webclient_state {
u8_t timer;
u8_t state;
u8_t httpflag;
u16_t port;
char host[40];
char file[WEBCLIENT_CONF_MAX_URLLEN];
u16_t getrequestptr;
u16_t getrequestleft;
char httpheaderline[200];
u16_t httpheaderlineptr;
char mimetype[32];
};
typedef struct webclient_state uip_tcp_appstate_t;
#define UIP_APPCALL webclient_appcall
/**
* Callback function that is called from the webclient code when HTTP
* data has been received.
*
* This function must be implemented by the module that uses the
* webclient code. The function is called from the webclient module
* when HTTP data has been received. The function is not called when
* HTTP headers are received, only for the actual data.
*
* \note This function is called many times, repetedly, when data is
* being received, and not once when all data has been received.
*
* \param data A pointer to the data that has been received.
* \param len The length of the data that has been received.
*/
void webclient_datahandler(char *data, u16_t len);
/**
* Callback function that is called from the webclient code when the
* HTTP connection has been connected to the web server.
*
* This function must be implemented by the module that uses the
* webclient code.
*/
void webclient_connected(void);
/**
* Callback function that is called from the webclient code if the
* HTTP connection to the web server has timed out.
*
* This function must be implemented by the module that uses the
* webclient code.
*/
void webclient_timedout(void);
/**
* Callback function that is called from the webclient code if the
* HTTP connection to the web server has been aborted by the web
* server.
*
* This function must be implemented by the module that uses the
* webclient code.
*/
void webclient_aborted(void);
/**
* Callback function that is called from the webclient code when the
* HTTP connection to the web server has been closed.
*
* This function must be implemented by the module that uses the
* webclient code.
*/
void webclient_closed(void);
/**
* Initialize the webclient module.
*/
void webclient_init(void);
/**
* Open an HTTP connection to a web server and ask for a file using
* the GET method.
*
* This function opens an HTTP connection to the specified web server
* and requests the specified file using the GET method. When the HTTP
* connection has been connected, the webclient_connected() callback
* function is called and when the HTTP data arrives the
* webclient_datahandler() callback function is called.
*
* The callback function webclient_timedout() is called if the web
* server could not be contacted, and the webclient_aborted() callback
* function is called if the HTTP connection is aborted by the web
* server.
*
* When the HTTP request has been completed and the HTTP connection is
* closed, the webclient_closed() callback function will be called.
*
* \note If the function is passed a host name, it must already be in
* the resolver cache in order for the function to connect to the web
* server. It is therefore up to the calling module to implement the
* resolver calls and the signal handler used for reporting a resolv
* query answer.
*
* \param host A pointer to a string containing either a host name or
* a numerical IP address in dotted decimal notation (e.g., 192.168.23.1).
*
* \param port The port number to which to connect, in host byte order.
*
* \param file A pointer to the name of the file to get.
*
* \retval 0 if the host name could not be found in the cache, or
* if a TCP connection could not be created.
*
* \retval 1 if the connection was initiated.
*/
unsigned char webclient_get(char *host, u16_t port, char *file);
/**
* Close the currently open HTTP connection.
*/
void webclient_close(void);
void webclient_appcall(void);
/**
* Obtain the MIME type of the current HTTP data stream.
*
* \return A pointer to a string contaning the MIME type. The string
* may be empty if no MIME type was reported by the web server.
*/
char *webclient_mimetype(void);
/**
* Obtain the filename of the current HTTP data stream.
*
* The filename of an HTTP request may be changed by the web server,
* and may therefore not be the same as when the original GET request
* was made with webclient_get(). This function is used for obtaining
* the current filename.
*
* \return A pointer to the current filename.
*/
char *webclient_filename(void);
/**
* Obtain the hostname of the current HTTP data stream.
*
* The hostname of the web server of an HTTP request may be changed
* by the web server, and may therefore not be the same as when the
* original GET request was made with webclient_get(). This function
* is used for obtaining the current hostname.
*
* \return A pointer to the current hostname.
*/
char *webclient_hostname(void);
/**
* Obtain the port number of the current HTTP data stream.
*
* The port number of an HTTP request may be changed by the web
* server, and may therefore not be the same as when the original GET
* request was made with webclient_get(). This function is used for
* obtaining the current port number.
*
* \return The port number of the current HTTP data stream, in host byte order.
*/
unsigned short webclient_port(void);
#endif /* __WEBCLIENT_H__ */
/** @} */

1
components/net/uip/apps/webserver/Makefile.webserver Normal file
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@@ -0,0 +1 @@
APP_SOURCES += httpd.c http-strings.c httpd-fs.c httpd-cgi.c

35
components/net/uip/apps/webserver/http-strings Normal file
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@@ -0,0 +1,35 @@
http_http "http://"
http_200 "200 "
http_301 "301 "
http_302 "302 "
http_get "GET "
http_10 "HTTP/1.0"
http_11 "HTTP/1.1"
http_content_type "content-type: "
http_texthtml "text/html"
http_location "location: "
http_host "host: "
http_crnl "\r\n"
http_index_html "/index.html"
http_404_html "/404.html"
http_referer "Referer:"
http_header_200 "HTTP/1.0 200 OK\r\nServer: uIP/1.0 http://www.sics.se/~adam/uip/\r\nConnection: close\r\n"
http_header_404 "HTTP/1.0 404 Not found\r\nServer: uIP/1.0 http://www.sics.se/~adam/uip/\r\nConnection: close\r\n"
http_content_type_plain "Content-type: text/plain\r\n\r\n"
http_content_type_html "Content-type: text/html\r\n\r\n"
http_content_type_css "Content-type: text/css\r\n\r\n"
http_content_type_text "Content-type: text/text\r\n\r\n"
http_content_type_png "Content-type: image/png\r\n\r\n"
http_content_type_gif "Content-type: image/gif\r\n\r\n"
http_content_type_jpg "Content-type: image/jpeg\r\n\r\n"
http_content_type_binary "Content-type: application/octet-stream\r\n\r\n"
http_html ".html"
http_shtml ".shtml"
http_htm ".htm"
http_css ".css"
http_png ".png"
http_gif ".gif"
http_jpg ".jpg"
http_text ".txt"
http_txt ".txt"

102
components/net/uip/apps/webserver/http-strings.c Normal file
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const char http_http[8] =
/* "http://" */
{0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, };
const char http_200[5] =
/* "200 " */
{0x32, 0x30, 0x30, 0x20, };
const char http_301[5] =
/* "301 " */
{0x33, 0x30, 0x31, 0x20, };
const char http_302[5] =
/* "302 " */
{0x33, 0x30, 0x32, 0x20, };
const char http_get[5] =
/* "GET " */
{0x47, 0x45, 0x54, 0x20, };
const char http_10[9] =
/* "HTTP/1.0" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, };
const char http_11[9] =
/* "HTTP/1.1" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x31, };
const char http_content_type[15] =
/* "content-type: " */
{0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, };
const char http_texthtml[10] =
/* "text/html" */
{0x74, 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, };
const char http_location[11] =
/* "location: " */
{0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, };
const char http_host[7] =
/* "host: " */
{0x68, 0x6f, 0x73, 0x74, 0x3a, 0x20, };
const char http_crnl[3] =
/* "\r\n" */
{0xd, 0xa, };
const char http_index_html[12] =
/* "/index.html" */
{0x2f, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68, 0x74, 0x6d, 0x6c, };
const char http_404_html[10] =
/* "/404.html" */
{0x2f, 0x34, 0x30, 0x34, 0x2e, 0x68, 0x74, 0x6d, 0x6c, };
const char http_referer[9] =
/* "Referer:" */
{0x52, 0x65, 0x66, 0x65, 0x72, 0x65, 0x72, 0x3a, };
const char http_header_200[84] =
/* "HTTP/1.0 200 OK\r\nServer: uIP/1.0 http://www.sics.se/~adam/uip/\r\nConnection: close\r\n" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x32, 0x30, 0x30, 0x20, 0x4f, 0x4b, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x69, 0x63, 0x73, 0x2e, 0x73, 0x65, 0x2f, 0x7e, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, 0x70, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
const char http_header_404[91] =
/* "HTTP/1.0 404 Not found\r\nServer: uIP/1.0 http://www.sics.se/~adam/uip/\r\nConnection: close\r\n" */
{0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x34, 0x30, 0x34, 0x20, 0x4e, 0x6f, 0x74, 0x20, 0x66, 0x6f, 0x75, 0x6e, 0x64, 0xd, 0xa, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x3a, 0x20, 0x75, 0x49, 0x50, 0x2f, 0x31, 0x2e, 0x30, 0x20, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x69, 0x63, 0x73, 0x2e, 0x73, 0x65, 0x2f, 0x7e, 0x61, 0x64, 0x61, 0x6d, 0x2f, 0x75, 0x69, 0x70, 0x2f, 0xd, 0xa, 0x43, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a, 0x20, 0x63, 0x6c, 0x6f, 0x73, 0x65, 0xd, 0xa, };
const char http_content_type_plain[29] =
/* "Content-type: text/plain\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, 0x61, 0x69, 0x6e, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_html[28] =
/* "Content-type: text/html\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x68, 0x74, 0x6d, 0x6c, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_css [27] =
/* "Content-type: text/css\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x63, 0x73, 0x73, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_text[28] =
/* "Content-type: text/text\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x74, 0x65, 0x78, 0x74, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_png [28] =
/* "Content-type: image/png\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x70, 0x6e, 0x67, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_gif [28] =
/* "Content-type: image/gif\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x67, 0x69, 0x66, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_jpg [29] =
/* "Content-type: image/jpeg\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x65, 0x67, 0xd, 0xa, 0xd, 0xa, };
const char http_content_type_binary[43] =
/* "Content-type: application/octet-stream\r\n\r\n" */
{0x43, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x3a, 0x20, 0x61, 0x70, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x6f, 0x63, 0x74, 0x65, 0x74, 0x2d, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0xd, 0xa, 0xd, 0xa, };
const char http_html[6] =
/* ".html" */
{0x2e, 0x68, 0x74, 0x6d, 0x6c, };
const char http_shtml[7] =
/* ".shtml" */
{0x2e, 0x73, 0x68, 0x74, 0x6d, 0x6c, };
const char http_htm[5] =
/* ".htm" */
{0x2e, 0x68, 0x74, 0x6d, };
const char http_css[5] =
/* ".css" */
{0x2e, 0x63, 0x73, 0x73, };
const char http_png[5] =
/* ".png" */
{0x2e, 0x70, 0x6e, 0x67, };
const char http_gif[5] =
/* ".gif" */
{0x2e, 0x67, 0x69, 0x66, };
const char http_jpg[5] =
/* ".jpg" */
{0x2e, 0x6a, 0x70, 0x67, };
const char http_text[5] =
/* ".txt" */
{0x2e, 0x74, 0x78, 0x74, };
const char http_txt[5] =
/* ".txt" */
{0x2e, 0x74, 0x78, 0x74, };

34
components/net/uip/apps/webserver/http-strings.h Normal file
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extern const char http_http[8];
extern const char http_200[5];
extern const char http_301[5];
extern const char http_302[5];
extern const char http_get[5];
extern const char http_10[9];
extern const char http_11[9];
extern const char http_content_type[15];
extern const char http_texthtml[10];
extern const char http_location[11];
extern const char http_host[7];
extern const char http_crnl[3];
extern const char http_index_html[12];
extern const char http_404_html[10];
extern const char http_referer[9];
extern const char http_header_200[84];
extern const char http_header_404[91];
extern const char http_content_type_plain[29];
extern const char http_content_type_html[28];
extern const char http_content_type_css [27];
extern const char http_content_type_text[28];
extern const char http_content_type_png [28];
extern const char http_content_type_gif [28];
extern const char http_content_type_jpg [29];
extern const char http_content_type_binary[43];
extern const char http_html[6];
extern const char http_shtml[7];
extern const char http_htm[5];
extern const char http_css[5];
extern const char http_png[5];
extern const char http_gif[5];
extern const char http_jpg[5];
extern const char http_text[5];
extern const char http_txt[5];

203
components/net/uip/apps/webserver/httpd-cgi.c Normal file
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/**
* \addtogroup httpd
* @{
*/
/**
* \file
* Web server script interface
* \author
* Adam Dunkels <adam@sics.se>
*
*/
/*
* Copyright (c) 2001-2006, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: httpd-cgi.c,v 1.2 2006/06/11 21:46:37 adam Exp $
*
*/
#include "uip.h"
#include "psock.h"
#include "httpd.h"
#include "httpd-cgi.h"
#include "httpd-fs.h"
#include <stdio.h>
#include <string.h>
HTTPD_CGI_CALL(file, "file-stats", file_stats);
HTTPD_CGI_CALL(tcp, "tcp-connections", tcp_stats);
HTTPD_CGI_CALL(net, "net-stats", net_stats);
static const struct httpd_cgi_call *calls[] = { &file, &tcp, &net, NULL };
/*---------------------------------------------------------------------------*/
static
PT_THREAD(nullfunction(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
httpd_cgifunction
httpd_cgi(char *name)
{
const struct httpd_cgi_call **f;
/* Find the matching name in the table, return the function. */
for(f = calls; *f != NULL; ++f) {
if(strncmp((*f)->name, name, strlen((*f)->name)) == 0) {
return (*f)->function;
}
}
return nullfunction;
}
/*---------------------------------------------------------------------------*/
static unsigned short
generate_file_stats(void *arg)
{
char *f = (char *)arg;
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE, "%5u", httpd_fs_count(f));
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(file_stats(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
PSOCK_GENERATOR_SEND(&s->sout, generate_file_stats, strchr(ptr, ' ') + 1);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
static const char closed[] = /* "CLOSED",*/
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
static const char syn_rcvd[] = /* "SYN-RCVD",*/
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
0x44, 0};
static const char syn_sent[] = /* "SYN-SENT",*/
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
0x54, 0};
static const char established[] = /* "ESTABLISHED",*/
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48,
0x45, 0x44, 0};
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x31, 0};
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x32, 0};
static const char closing[] = /* "CLOSING",*/
{0x43, 0x4c, 0x4f, 0x53, 0x49,
0x4e, 0x47, 0};
static const char time_wait[] = /* "TIME-WAIT,"*/
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
0x49, 0x54, 0};
static const char last_ack[] = /* "LAST-ACK"*/
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
0x4b, 0};
static const char *states[] = {
closed,
syn_rcvd,
syn_sent,
established,
fin_wait_1,
fin_wait_2,
closing,
time_wait,
last_ack};
static unsigned short
generate_tcp_stats(void *arg)
{
struct uip_conn *conn;
struct httpd_state *s = (struct httpd_state *)arg;
conn = &uip_conns[s->count];
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
"<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n",
htons(conn->lport),
htons(conn->ripaddr[0]) >> 8,
htons(conn->ripaddr[0]) & 0xff,
htons(conn->ripaddr[1]) >> 8,
htons(conn->ripaddr[1]) & 0xff,
htons(conn->rport),
states[conn->tcpstateflags & UIP_TS_MASK],
conn->nrtx,
conn->timer,
(uip_outstanding(conn))? '*':' ',
(uip_stopped(conn))? '!':' ');
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(tcp_stats(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
for(s->count = 0; s->count < UIP_CONNS; ++s->count) {
if((uip_conns[s->count].tcpstateflags & UIP_TS_MASK) != UIP_CLOSED) {
PSOCK_GENERATOR_SEND(&s->sout, generate_tcp_stats, s);
}
}
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
static unsigned short
generate_net_stats(void *arg)
{
struct httpd_state *s = (struct httpd_state *)arg;
return snprintf((char *)uip_appdata, UIP_APPDATA_SIZE,
"%5u\n", ((uip_stats_t *)&uip_stat)[s->count]);
}
static
PT_THREAD(net_stats(struct httpd_state *s, char *ptr))
{
PSOCK_BEGIN(&s->sout);
#if UIP_STATISTICS
for(s->count = 0; s->count < sizeof(uip_stat) / sizeof(uip_stats_t);
++s->count) {
PSOCK_GENERATOR_SEND(&s->sout, generate_net_stats, s);
}
#endif /* UIP_STATISTICS */
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
/** @} */

84
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/**
* \addtogroup httpd
* @{
*/
/**
* \file
* Web server script interface header file
* \author
* Adam Dunkels <adam@sics.se>
*
*/
/*
* Copyright (c) 2001, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: httpd-cgi.h,v 1.2 2006/06/11 21:46:38 adam Exp $
*
*/
#ifndef __HTTPD_CGI_H__
#define __HTTPD_CGI_H__
#include "psock.h"
#include "httpd.h"
typedef PT_THREAD((* httpd_cgifunction)(struct httpd_state *, char *));
httpd_cgifunction httpd_cgi(char *name);
struct httpd_cgi_call {
const char *name;
const httpd_cgifunction function;
};
/**
* \brief HTTPD CGI function declaration
* \param name The C variable name of the function
* \param str The string name of the function, used in the script file
* \param function A pointer to the function that implements it
*
* This macro is used for declaring a HTTPD CGI
* function. This function is then added to the list of
* HTTPD CGI functions with the httpd_cgi_add() function.
*
* \hideinitializer
*/
#define HTTPD_CGI_CALL(name, str, function) \
static PT_THREAD(function(struct httpd_state *, char *)); \
static const struct httpd_cgi_call name = {str, function}
void httpd_cgi_init(void);
#endif /* __HTTPD_CGI_H__ */
/** @} */

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/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: httpd-fs.c,v 1.1 2006/06/07 09:13:08 adam Exp $
*/
#include "httpd.h"
#include "httpd-fs.h"
#include "httpd-fsdata.h"
#ifndef NULL
#define NULL 0
#endif /* NULL */
#include "httpd-fsdata.c"
#if HTTPD_FS_STATISTICS
static u16_t count[HTTPD_FS_NUMFILES];
#endif /* HTTPD_FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/
static u8_t
httpd_fs_strcmp(const char *str1, const char *str2)
{
u8_t i;
i = 0;
loop:
if(str2[i] == 0 ||
str1[i] == '\r' ||
str1[i] == '\n') {
return 0;
}
if(str1[i] != str2[i]) {
return 1;
}
++i;
goto loop;
}
/*-----------------------------------------------------------------------------------*/
int
httpd_fs_open(const char *name, struct httpd_fs_file *file)
{
#if HTTPD_FS_STATISTICS
u16_t i = 0;
#endif /* HTTPD_FS_STATISTICS */
struct httpd_fsdata_file_noconst *f;
for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
f != NULL;
f = (struct httpd_fsdata_file_noconst *)f->next) {
if(httpd_fs_strcmp(name, f->name) == 0) {
file->data = f->data;
file->len = f->len;
#if HTTPD_FS_STATISTICS
++count[i];
#endif /* HTTPD_FS_STATISTICS */
return 1;
}
#if HTTPD_FS_STATISTICS
++i;
#endif /* HTTPD_FS_STATISTICS */
}
return 0;
}
/*-----------------------------------------------------------------------------------*/
void
httpd_fs_init(void)
{
#if HTTPD_FS_STATISTICS
u16_t i;
for(i = 0; i < HTTPD_FS_NUMFILES; i++) {
count[i] = 0;
}
#endif /* HTTPD_FS_STATISTICS */
}
/*-----------------------------------------------------------------------------------*/
#if HTTPD_FS_STATISTICS
u16_t httpd_fs_count
(char *name)
{
struct httpd_fsdata_file_noconst *f;
u16_t i;
i = 0;
for(f = (struct httpd_fsdata_file_noconst *)HTTPD_FS_ROOT;
f != NULL;
f = (struct httpd_fsdata_file_noconst *)f->next) {
if(httpd_fs_strcmp(name, f->name) == 0) {
return count[i];
}
++i;
}
return 0;
}
#endif /* HTTPD_FS_STATISTICS */
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: httpd-fs.h,v 1.1 2006/06/07 09:13:08 adam Exp $
*/
#ifndef __HTTPD_FS_H__
#define __HTTPD_FS_H__
#define HTTPD_FS_STATISTICS 1
struct httpd_fs_file {
char *data;
int len;
};
/* file must be allocated by caller and will be filled in
by the function. */
int httpd_fs_open(const char *name, struct httpd_fs_file *file);
#ifdef HTTPD_FS_STATISTICS
#if HTTPD_FS_STATISTICS == 1
u16_t httpd_fs_count(char *name);
#endif /* HTTPD_FS_STATISTICS */
#endif /* HTTPD_FS_STATISTICS */
void httpd_fs_init(void);
#endif /* __HTTPD_FS_H__ */

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<html>
<body bgcolor="white">
<center>
<h1>404 - file not found</h1>
<h3>Go <a href="/">here</a> instead.</h3>
</center>
</body>
</html>

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%!: /header.html
<h1>File statistics</h1>
<center>
<table width="300">
<tr><td><a href="/index.html">/index.html</a></td>
<td>%! file-stats /index.html
</td><td><img src="/fade.png" height=10 width=%! file-stats /index.html
> </td></tr>
<tr><td><a href="/files.shtml">/files.shtml</a></td>
<td>%! file-stats /files.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /files.shtml
> </td></tr>
<tr><td><a href="/tcp.shtml">/tcp.shtml</a></td>
<td>%! file-stats /tcp.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /tcp.shtml
> </td></tr>
<tr><td><a href="/stats.shtml">/stats.shtml</a></td>
<td>%! file-stats /stats.shtml
</td><td><img src="/fade.png" height=10 width=%! file-stats /stats.shtml
> </td></tr>
<tr><td><a href="/style.css">/style.css</a></td>
<td>%! file-stats /style.css
</td><td><img src="/fade.png" height=10 width=%! file-stats /style.css
> </td></tr>
<tr><td><a href="/404.html">/404.html</a></td>
<td>%! file-stats /404.html
</td><td><img src="/fade.png" height=10 width=%! file-stats /404.html
> </td></tr>
<tr><td><a href="/fade.png">/fade.png</a></td>
<td>%! file-stats /fade.png
</td><td><img src="/fade.png" height=10 width=%! file-stats /fade.png
> </td></tr>
</table>
</center>
%!: /footer.html

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</body>
</html>

18
components/net/uip/apps/webserver/httpd-fs/header.html Normal file
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Welcome to the uIP web server!</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body bgcolor="#fffeec" text="black">
<div class="menu">
<div class="menubox"><a href="/">Front page</a></div>
<div class="menubox"><a href="files.shtml">File statistics</a></div>
<div class="menubox"><a href="stats.shtml">Network statistics</a></div>
<div class="menubox"><a href="tcp.shtml">Network
connections</a></div>
<br>
</div>
<div class="contentblock">

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Welcome to the uIP web server!</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body bgcolor="#fffeec" text="black">
<div class="menu">
<div class="menubox"><a href="/">Front page</a></div>
<div class="menubox"><a href="files.shtml">File statistics</a></div>
<div class="menubox"><a href="stats.shtml">Network statistics</a></div>
<div class="menubox"><a href="tcp.shtml">Network
connections</a></div>
<br>
</div>
<div class="contentblock">
<p>
These web pages are served by a small web server running on top of
the <a href="http://www.sics.se/~adam/uip/">uIP embedded TCP/IP
stack</a>.
</p>
<p>
Click on the links above for web server statistics.
</p>
</body>
</html>

5
components/net/uip/apps/webserver/httpd-fs/processes.shtml Normal file
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%!: /header.html
<h1>System processes</h1><br><table width="100%">
<tr><th>ID</th><th>Name</th><th>Priority</th><th>Poll handler</th><th>Event handler</th><th>Procstate</th></tr>
%! processes
%!: /footer.html

31
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@@ -0,0 +1,31 @@
%!: /header.html
<h1>Network statistics</h1>
<center>
<table width="300" border="0">
<tr><td><pre>
IP Packets received
Packets sent
Packets dropped
IP errors IP version/header length
IP length, high byte
IP length, low byte
IP fragments
Header checksum
Wrong protocol
ICMP Packets received
Packets sent
Packets dropped
Type errors
TCP Packets received
Packets sent
Packets dropped
Checksum errors
Data packets without ACKs
Resets
Retransmissions
No connection avaliable
Connection attempts to closed ports
</pre></td><td><pre>%! net-stats
</pre></table>
</center>
%!: /footer.html

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h1
{
text-align: center;
font-size:14pt;
font-family:arial,helvetica;
font-weight:bold;
padding:10px;
}
body
{
background-color: #fffeec;
color:black;
font-size:8pt;
font-family:arial,helvetica;
}
.menu
{
margin: 4px;
width:60%;
padding:2px;
border: solid 1px;
background-color: #fffcd2;
text-align:left;
font-size:9pt;
font-family:arial,helvetica;
}
div.menubox
{
width: 25%;
border: 0;
float: left;
text-align: center;
}
.contentblock
{
margin: 4px;
width:60%;
padding:2px;
border: 1px dotted;
background-color: white;
font-size:8pt;
font-family:arial,helvetica;
}
p.intro
{
margin-left:20px;
margin-right:20px;
font-size:10pt;
/* font-weight:bold; */
font-family:arial,helvetica;
}
p.clink
{
font-size:12pt;
font-family:courier,monospace;
text-align:center;
}
p.clink9
{
font-size:9pt;
font-family:courier,monospace;
text-align:center;
}
p
{
padding-left:10px;
}
p.right
{
text-align:right;
}

5
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%!: /header.html
<h1>Current connections</h1><br><table width="100%">
<tr><th>Local</th><th>Remote</th><th>State</th><th>Retransmissions</th><th>Timer</th><th>Flags</th></tr>
%! tcp-connections
%!: /footer.html

607
components/net/uip/apps/webserver/httpd-fsdata.c Normal file
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static const unsigned char data_processes_shtml[] = {
/* /processes.shtml */
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static const unsigned char data_404_html[] = {
/* /404.html */
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static const unsigned char data_files_shtml[] = {
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static const unsigned char data_fade_png[] = {
/* /fade.png */
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0x4e, 0x44, 0xae, 0x42, 0x60, 0x82, 0};
static const unsigned char data_stats_shtml[] = {
/* /stats.shtml */
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0xa, 0};
const struct httpd_fsdata_file file_processes_shtml[] = {{NULL, data_processes_shtml, data_processes_shtml + 17, sizeof(data_processes_shtml) - 17}};
const struct httpd_fsdata_file file_404_html[] = {{file_processes_shtml, data_404_html, data_404_html + 10, sizeof(data_404_html) - 10}};
const struct httpd_fsdata_file file_files_shtml[] = {{file_404_html, data_files_shtml, data_files_shtml + 13, sizeof(data_files_shtml) - 13}};
const struct httpd_fsdata_file file_footer_html[] = {{file_files_shtml, data_footer_html, data_footer_html + 13, sizeof(data_footer_html) - 13}};
const struct httpd_fsdata_file file_header_html[] = {{file_footer_html, data_header_html, data_header_html + 13, sizeof(data_header_html) - 13}};
const struct httpd_fsdata_file file_index_html[] = {{file_header_html, data_index_html, data_index_html + 12, sizeof(data_index_html) - 12}};
const struct httpd_fsdata_file file_style_css[] = {{file_index_html, data_style_css, data_style_css + 11, sizeof(data_style_css) - 11}};
const struct httpd_fsdata_file file_tcp_shtml[] = {{file_style_css, data_tcp_shtml, data_tcp_shtml + 11, sizeof(data_tcp_shtml) - 11}};
const struct httpd_fsdata_file file_fade_png[] = {{file_tcp_shtml, data_fade_png, data_fade_png + 10, sizeof(data_fade_png) - 10}};
const struct httpd_fsdata_file file_stats_shtml[] = {{file_fade_png, data_stats_shtml, data_stats_shtml + 13, sizeof(data_stats_shtml) - 13}};
#define HTTPD_FS_ROOT file_stats_shtml
#define HTTPD_FS_NUMFILES 10

64
components/net/uip/apps/webserver/httpd-fsdata.h Normal file
View File

@@ -0,0 +1,64 @@
/*
* Copyright (c) 2001, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: httpd-fsdata.h,v 1.1 2006/06/07 09:13:08 adam Exp $
*/
#ifndef __HTTPD_FSDATA_H__
#define __HTTPD_FSDATA_H__
#include "uip.h"
struct httpd_fsdata_file {
const struct httpd_fsdata_file *next;
const char *name;
const char *data;
const int len;
#ifdef HTTPD_FS_STATISTICS
#if HTTPD_FS_STATISTICS == 1
u16_t count;
#endif /* HTTPD_FS_STATISTICS */
#endif /* HTTPD_FS_STATISTICS */
};
struct httpd_fsdata_file_noconst {
struct httpd_fsdata_file *next;
char *name;
char *data;
int len;
#ifdef HTTPD_FS_STATISTICS
#if HTTPD_FS_STATISTICS == 1
u16_t count;
#endif /* HTTPD_FS_STATISTICS */
#endif /* HTTPD_FS_STATISTICS */
};
#endif /* __HTTPD_FSDATA_H__ */

338
components/net/uip/apps/webserver/httpd.c Normal file
View File

@@ -0,0 +1,338 @@
/**
* \addtogroup apps
* @{
*/
/**
* \defgroup httpd Web server
* @{
* The uIP web server is a very simplistic implementation of an HTTP
* server. It can serve web pages and files from a read-only ROM
* filesystem, and provides a very small scripting language.
*/
/**
* \file
* Web server
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: httpd.c,v 1.2 2006/06/11 21:46:38 adam Exp $
*/
#include "uip.h"
#include "httpd.h"
#include "httpd-fs.h"
#include "httpd-cgi.h"
#include "http-strings.h"
#include <string.h>
#define STATE_WAITING 0
#define STATE_OUTPUT 1
#define ISO_nl 0x0a
#define ISO_space 0x20
#define ISO_bang 0x21
#define ISO_percent 0x25
#define ISO_period 0x2e
#define ISO_slash 0x2f
#define ISO_colon 0x3a
/*---------------------------------------------------------------------------*/
static unsigned short
generate_part_of_file(void *state)
{
struct httpd_state *s = (struct httpd_state *)state;
if(s->file.len > uip_mss()) {
s->len = uip_mss();
} else {
s->len = s->file.len;
}
memcpy(uip_appdata, s->file.data, s->len);
return s->len;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(send_file(struct httpd_state *s))
{
PSOCK_BEGIN(&s->sout);
do {
PSOCK_GENERATOR_SEND(&s->sout, generate_part_of_file, s);
s->file.len -= s->len;
s->file.data += s->len;
} while(s->file.len > 0);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(send_part_of_file(struct httpd_state *s))
{
PSOCK_BEGIN(&s->sout);
PSOCK_SEND(&s->sout, s->file.data, s->len);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
static void
next_scriptstate(struct httpd_state *s)
{
char *p;
p = strchr(s->scriptptr, ISO_nl) + 1;
s->scriptlen -= (unsigned short)(p - s->scriptptr);
s->scriptptr = p;
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(handle_script(struct httpd_state *s))
{
char *ptr;
PT_BEGIN(&s->scriptpt);
while(s->file.len > 0) {
/* Check if we should start executing a script. */
if(*s->file.data == ISO_percent &&
*(s->file.data + 1) == ISO_bang) {
s->scriptptr = s->file.data + 3;
s->scriptlen = s->file.len - 3;
if(*(s->scriptptr - 1) == ISO_colon) {
httpd_fs_open(s->scriptptr + 1, &s->file);
PT_WAIT_THREAD(&s->scriptpt, send_file(s));
} else {
PT_WAIT_THREAD(&s->scriptpt,
httpd_cgi(s->scriptptr)(s, s->scriptptr));
}
next_scriptstate(s);
/* The script is over, so we reset the pointers and continue
sending the rest of the file. */
s->file.data = s->scriptptr;
s->file.len = s->scriptlen;
} else {
/* See if we find the start of script marker in the block of HTML
to be sent. */
if(s->file.len > uip_mss()) {
s->len = uip_mss();
} else {
s->len = s->file.len;
}
if(*s->file.data == ISO_percent) {
ptr = strchr(s->file.data + 1, ISO_percent);
} else {
ptr = strchr(s->file.data, ISO_percent);
}
if(ptr != NULL &&
ptr != s->file.data) {
s->len = (int)(ptr - s->file.data);
if(s->len >= uip_mss()) {
s->len = uip_mss();
}
}
PT_WAIT_THREAD(&s->scriptpt, send_part_of_file(s));
s->file.data += s->len;
s->file.len -= s->len;
}
}
PT_END(&s->scriptpt);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
{
char *ptr;
PSOCK_BEGIN(&s->sout);
PSOCK_SEND_STR(&s->sout, statushdr);
ptr = strrchr(s->filename, ISO_period);
if(ptr == NULL) {
PSOCK_SEND_STR(&s->sout, http_content_type_binary);
} else if(strncmp(http_html, ptr, 5) == 0 ||
strncmp(http_shtml, ptr, 6) == 0) {
PSOCK_SEND_STR(&s->sout, http_content_type_html);
} else if(strncmp(http_css, ptr, 4) == 0) {
PSOCK_SEND_STR(&s->sout, http_content_type_css);
} else if(strncmp(http_png, ptr, 4) == 0) {
PSOCK_SEND_STR(&s->sout, http_content_type_png);
} else if(strncmp(http_gif, ptr, 4) == 0) {
PSOCK_SEND_STR(&s->sout, http_content_type_gif);
} else if(strncmp(http_jpg, ptr, 4) == 0) {
PSOCK_SEND_STR(&s->sout, http_content_type_jpg);
} else {
PSOCK_SEND_STR(&s->sout, http_content_type_plain);
}
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(handle_output(struct httpd_state *s))
{
char *ptr;
PT_BEGIN(&s->outputpt);
if(!httpd_fs_open(s->filename, &s->file)) {
httpd_fs_open(http_404_html, &s->file);
strcpy(s->filename, http_404_html);
PT_WAIT_THREAD(&s->outputpt,
send_headers(s,
http_header_404));
PT_WAIT_THREAD(&s->outputpt,
send_file(s));
} else {
PT_WAIT_THREAD(&s->outputpt,
send_headers(s,
http_header_200));
ptr = strchr(s->filename, ISO_period);
if(ptr != NULL && strncmp(ptr, http_shtml, 6) == 0) {
PT_INIT(&s->scriptpt);
PT_WAIT_THREAD(&s->outputpt, handle_script(s));
} else {
PT_WAIT_THREAD(&s->outputpt,
send_file(s));
}
}
PSOCK_CLOSE(&s->sout);
PT_END(&s->outputpt);
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(handle_input(struct httpd_state *s))
{
PSOCK_BEGIN(&s->sin);
PSOCK_READTO(&s->sin, ISO_space);
if(strncmp(s->inputbuf, http_get, 4) != 0) {
PSOCK_CLOSE_EXIT(&s->sin);
}
PSOCK_READTO(&s->sin, ISO_space);
if(s->inputbuf[0] != ISO_slash) {
PSOCK_CLOSE_EXIT(&s->sin);
}
if(s->inputbuf[1] == ISO_space) {
strncpy(s->filename, http_index_html, sizeof(s->filename));
} else {
s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0;
strncpy(s->filename, &s->inputbuf[0], sizeof(s->filename));
}
/* httpd_log_file(uip_conn->ripaddr, s->filename);*/
s->state = STATE_OUTPUT;
while(1) {
PSOCK_READTO(&s->sin, ISO_nl);
if(strncmp(s->inputbuf, http_referer, 8) == 0) {
s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0;
/* httpd_log(&s->inputbuf[9]);*/
}
}
PSOCK_END(&s->sin);
}
/*---------------------------------------------------------------------------*/
static void
handle_connection(struct httpd_state *s)
{
handle_input(s);
if(s->state == STATE_OUTPUT) {
handle_output(s);
}
}
/*---------------------------------------------------------------------------*/
void
httpd_appcall(void)
{
struct httpd_state *s = (struct httpd_state *)&(uip_conn->appstate);
if(uip_closed() || uip_aborted() || uip_timedout()) {
} else if(uip_connected()) {
PSOCK_INIT(&s->sin, s->inputbuf, sizeof(s->inputbuf) - 1);
PSOCK_INIT(&s->sout, s->inputbuf, sizeof(s->inputbuf) - 1);
PT_INIT(&s->outputpt);
s->state = STATE_WAITING;
/* timer_set(&s->timer, CLOCK_SECOND * 100);*/
s->timer = 0;
handle_connection(s);
} else if(s != NULL) {
if(uip_poll()) {
++s->timer;
if(s->timer >= 20) {
uip_abort();
}
} else {
s->timer = 0;
}
handle_connection(s);
} else {
uip_abort();
}
}
/*---------------------------------------------------------------------------*/
/**
* \brief Initialize the web server
*
* This function initializes the web server and should be
* called at system boot-up.
*/
void
httpd_init(void)
{
uip_listen(HTONS(80));
}
/*---------------------------------------------------------------------------*/
/** @} */

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components/net/uip/apps/webserver/httpd.h Normal file
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/*
* Copyright (c) 2001-2005, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: httpd.h,v 1.2 2006/06/11 21:46:38 adam Exp $
*
*/
#ifndef __HTTPD_H__
#define __HTTPD_H__
#include "psock.h"
#include "httpd-fs.h"
struct httpd_state {
unsigned char timer;
struct psock sin, sout;
struct pt outputpt, scriptpt;
char inputbuf[50];
char filename[20];
char state;
struct httpd_fs_file file;
int len;
char *scriptptr;
int scriptlen;
unsigned short count;
};
void httpd_init(void);
void httpd_appcall(void);
void httpd_log(char *msg);
void httpd_log_file(u16_t *requester, char *file);
#endif /* __HTTPD_H__ */

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components/net/uip/apps/webserver/makefsdata Normal file
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#!/usr/bin/perl
open(OUTPUT, "> httpd-fsdata.c");
chdir("httpd-fs");
opendir(DIR, ".");
@files = grep { !/^\./ && !/(CVS|~)/ } readdir(DIR);
closedir(DIR);
foreach $file (@files) {
if(-d $file && $file !~ /^\./) {
print "Processing directory $file\n";
opendir(DIR, $file);
@newfiles = grep { !/^\./ && !/(CVS|~)/ } readdir(DIR);
closedir(DIR);
printf "Adding files @newfiles\n";
@files = (@files, map { $_ = "$file/$_" } @newfiles);
next;
}
}
foreach $file (@files) {
if(-f $file) {
print "Adding file $file\n";
open(FILE, $file) || die "Could not open file $file\n";
$file =~ s-^-/-;
$fvar = $file;
$fvar =~ s-/-_-g;
$fvar =~ s-\.-_-g;
# for AVR, add PROGMEM here
print(OUTPUT "static const unsigned char data".$fvar."[] = {\n");
print(OUTPUT "\t/* $file */\n\t");
for($j = 0; $j < length($file); $j++) {
printf(OUTPUT "%#02x, ", unpack("C", substr($file, $j, 1)));
}
printf(OUTPUT "0,\n");
$i = 0;
while(read(FILE, $data, 1)) {
if($i == 0) {
print(OUTPUT "\t");
}
printf(OUTPUT "%#02x, ", unpack("C", $data));
$i++;
if($i == 10) {
print(OUTPUT "\n");
$i = 0;
}
}
print(OUTPUT "0};\n\n");
close(FILE);
push(@fvars, $fvar);
push(@pfiles, $file);
}
}
for($i = 0; $i < @fvars; $i++) {
$file = $pfiles[$i];
$fvar = $fvars[$i];
if($i == 0) {
$prevfile = "NULL";
} else {
$prevfile = "file" . $fvars[$i - 1];
}
print(OUTPUT "const struct httpd_fsdata_file file".$fvar."[] = {{$prevfile, data$fvar, ");
print(OUTPUT "data$fvar + ". (length($file) + 1) .", ");
print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) ."}};\n\n");
}
print(OUTPUT "#define HTTPD_FS_ROOT file$fvars[$i - 1]\n\n");
print(OUTPUT "#define HTTPD_FS_NUMFILES $i\n");

40
components/net/uip/apps/webserver/makestrings Normal file
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#!/usr/bin/perl
sub stringify {
my $name = shift(@_);
open(OUTPUTC, "> $name.c");
open(OUTPUTH, "> $name.h");
open(FILE, "$name");
while(<FILE>) {
if(/(.+) "(.+)"/) {
$var = $1;
$data = $2;
$datan = $data;
$datan =~ s/\\r/\r/g;
$datan =~ s/\\n/\n/g;
$datan =~ s/\\01/\01/g;
$datan =~ s/\\0/\0/g;
printf(OUTPUTC "const char $var\[%d] = \n", length($datan) + 1);
printf(OUTPUTC "/* \"$data\" */\n");
printf(OUTPUTC "{");
for($j = 0; $j < length($datan); $j++) {
printf(OUTPUTC "%#02x, ", unpack("C", substr($datan, $j, 1)));
}
printf(OUTPUTC "};\n");
printf(OUTPUTH "extern const char $var\[%d];\n", length($datan) + 1);
}
}
close(OUTPUTC);
close(OUTPUTH);
}
stringify("http-strings");
exit 0;

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components/net/uip/apps/webserver/webserver.h Normal file
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/*
* Copyright (c) 2002, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* $Id: webserver.h,v 1.2 2006/06/11 21:46:38 adam Exp $
*
*/
#ifndef __WEBSERVER_H__
#define __WEBSERVER_H__
#include "httpd.h"
typedef struct httpd_state uip_tcp_appstate_t;
/* UIP_APPCALL: the name of the application function. This function
must return void and take no arguments (i.e., C type "void
appfunc(void)"). */
#ifndef UIP_APPCALL
#define UIP_APPCALL httpd_appcall
#endif
#endif /* __WEBSERVER_H__ */