ppp for lpc1768 with phs bridge

Dependencies:   AbitModemInterface mbed-rtos mbed

Committer:
phsfan
Date:
Wed Jul 01 01:01:10 2015 +0000
Revision:
0:fab2fa3c525b
test build;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
phsfan 0:fab2fa3c525b 1 /*
phsfan 0:fab2fa3c525b 2 * mbed Tiny HTTP Client for Ethernet Interface Library
phsfan 0:fab2fa3c525b 3 * Copyright (c) 2012 Hiroshi Suga
phsfan 0:fab2fa3c525b 4 * Released under the MIT License: http://mbed.org/license/mit
phsfan 0:fab2fa3c525b 5 */
phsfan 0:fab2fa3c525b 6
phsfan 0:fab2fa3c525b 7 /** @file
phsfan 0:fab2fa3c525b 8 * @brief Tiny HTTP Client
phsfan 0:fab2fa3c525b 9 */
phsfan 0:fab2fa3c525b 10
phsfan 0:fab2fa3c525b 11 #include "mbed.h"
phsfan 0:fab2fa3c525b 12 #include "TinyHTTP.h"
phsfan 0:fab2fa3c525b 13 #include "TCPSocketConnection.h"
phsfan 0:fab2fa3c525b 14 #include <ctype.h>
phsfan 0:fab2fa3c525b 15
phsfan 0:fab2fa3c525b 16 //#define DEBUG
phsfan 0:fab2fa3c525b 17
phsfan 0:fab2fa3c525b 18 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
phsfan 0:fab2fa3c525b 19 int base64enc(const char *input, unsigned int length, char *output, int len) {
phsfan 0:fab2fa3c525b 20 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
phsfan 0:fab2fa3c525b 21 unsigned int c, c1, c2, c3;
phsfan 0:fab2fa3c525b 22
phsfan 0:fab2fa3c525b 23 if (len < ((((length-1)/3)+1)<<2)) return -1;
phsfan 0:fab2fa3c525b 24 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
phsfan 0:fab2fa3c525b 25 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
phsfan 0:fab2fa3c525b 26 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
phsfan 0:fab2fa3c525b 27 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
phsfan 0:fab2fa3c525b 28
phsfan 0:fab2fa3c525b 29 c = ((c1 & 0xFC) >> 2);
phsfan 0:fab2fa3c525b 30 output[j+0] = base64[c];
phsfan 0:fab2fa3c525b 31 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
phsfan 0:fab2fa3c525b 32 output[j+1] = base64[c];
phsfan 0:fab2fa3c525b 33 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
phsfan 0:fab2fa3c525b 34 output[j+2] = (length>i+1)?base64[c]:'=';
phsfan 0:fab2fa3c525b 35 c = (c3 & 0x3F);
phsfan 0:fab2fa3c525b 36 output[j+3] = (length>i+2)?base64[c]:'=';
phsfan 0:fab2fa3c525b 37 }
phsfan 0:fab2fa3c525b 38 output[(((length-1)/3)+1)<<2] = '\0';
phsfan 0:fab2fa3c525b 39 return 0;
phsfan 0:fab2fa3c525b 40 }
phsfan 0:fab2fa3c525b 41
phsfan 0:fab2fa3c525b 42 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
phsfan 0:fab2fa3c525b 43 int urlencode(char *str, char *buf, int len) {
phsfan 0:fab2fa3c525b 44 static const char to_hex[] = "0123456789ABCDEF";
phsfan 0:fab2fa3c525b 45 // char *pstr = str, *buf = (char*)malloc(strlen(str) * 3 + 1), *pbuf = buf;
phsfan 0:fab2fa3c525b 46 char *pstr = str, *pbuf = buf;
phsfan 0:fab2fa3c525b 47
phsfan 0:fab2fa3c525b 48 if (len < (strlen(str) * 3 + 1)) return -1;
phsfan 0:fab2fa3c525b 49 while (*pstr) {
phsfan 0:fab2fa3c525b 50 if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') {
phsfan 0:fab2fa3c525b 51 *pbuf++ = *pstr;
phsfan 0:fab2fa3c525b 52 } else if (*pstr == ' ') {
phsfan 0:fab2fa3c525b 53 *pbuf++ = '+';
phsfan 0:fab2fa3c525b 54 } else {
phsfan 0:fab2fa3c525b 55 *pbuf++ = '%';
phsfan 0:fab2fa3c525b 56 *pbuf++ = to_hex[(*pstr >> 4) & 0x0f];
phsfan 0:fab2fa3c525b 57 *pbuf++ = to_hex[*pstr & 0x0f];
phsfan 0:fab2fa3c525b 58 }
phsfan 0:fab2fa3c525b 59 pstr++;
phsfan 0:fab2fa3c525b 60 }
phsfan 0:fab2fa3c525b 61 *pbuf = '\0';
phsfan 0:fab2fa3c525b 62 return 0;
phsfan 0:fab2fa3c525b 63 }
phsfan 0:fab2fa3c525b 64
phsfan 0:fab2fa3c525b 65 void createauth (char *user, char *pwd, char *buf, int len) {
phsfan 0:fab2fa3c525b 66 char tmp[80];
phsfan 0:fab2fa3c525b 67
phsfan 0:fab2fa3c525b 68 strncpy(buf, "Authorization: Basic ", len);
phsfan 0:fab2fa3c525b 69 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
phsfan 0:fab2fa3c525b 70 base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf));
phsfan 0:fab2fa3c525b 71 strncat(buf, "\r\n", len - strlen(buf));
phsfan 0:fab2fa3c525b 72 }
phsfan 0:fab2fa3c525b 73
phsfan 0:fab2fa3c525b 74 int httpRequest (int method, char *host, int port, char *uri, char *head, char *body, onHttpReceiveFunc func) {
phsfan 0:fab2fa3c525b 75 char buf[1500];
phsfan 0:fab2fa3c525b 76 int i, ret = -1;
phsfan 0:fab2fa3c525b 77
phsfan 0:fab2fa3c525b 78 TCPSocketConnection socket;
phsfan 0:fab2fa3c525b 79 if (socket.connect(host, port) < 0) goto exit;
phsfan 0:fab2fa3c525b 80
phsfan 0:fab2fa3c525b 81 #ifdef DEBUG
phsfan 0:fab2fa3c525b 82 printf("connected\r\n");
phsfan 0:fab2fa3c525b 83 #endif
phsfan 0:fab2fa3c525b 84
phsfan 0:fab2fa3c525b 85 // send request
phsfan 0:fab2fa3c525b 86 if (method == METHOD_POST) {
phsfan 0:fab2fa3c525b 87 socket.send_all("POST ", 5);
phsfan 0:fab2fa3c525b 88 } else {
phsfan 0:fab2fa3c525b 89 socket.send_all("GET ", 4);
phsfan 0:fab2fa3c525b 90 }
phsfan 0:fab2fa3c525b 91 socket.send_all(uri, strlen(uri));
phsfan 0:fab2fa3c525b 92 socket.send_all(" HTTP/1.1\r\nHost: ", 17);
phsfan 0:fab2fa3c525b 93 socket.send_all(host, strlen(host));
phsfan 0:fab2fa3c525b 94 socket.send_all("\r\n", 2);
phsfan 0:fab2fa3c525b 95 socket.send_all("application/x-www-form-urlencoded\r\n", 35);
phsfan 0:fab2fa3c525b 96 socket.send_all("Connection: close\r\n", 19);
phsfan 0:fab2fa3c525b 97 if (head) {
phsfan 0:fab2fa3c525b 98 socket.send_all(head, strlen(head));
phsfan 0:fab2fa3c525b 99 }
phsfan 0:fab2fa3c525b 100 if (method == METHOD_POST) {
phsfan 0:fab2fa3c525b 101 sprintf(buf, "Content-Length: %d\r\n", strlen(body));
phsfan 0:fab2fa3c525b 102 socket.send_all(buf, strlen(buf));
phsfan 0:fab2fa3c525b 103 }
phsfan 0:fab2fa3c525b 104 socket.send_all("\r\n", 2);
phsfan 0:fab2fa3c525b 105
phsfan 0:fab2fa3c525b 106 // post method
phsfan 0:fab2fa3c525b 107 if (method == METHOD_POST && body) {
phsfan 0:fab2fa3c525b 108 socket.send_all(body, strlen(body));
phsfan 0:fab2fa3c525b 109 }
phsfan 0:fab2fa3c525b 110
phsfan 0:fab2fa3c525b 111 // recv
phsfan 0:fab2fa3c525b 112 for (;;) {
phsfan 0:fab2fa3c525b 113 i = socket.receive(buf, sizeof(buf) - 1);
phsfan 0:fab2fa3c525b 114 if (i == 0) break;
phsfan 0:fab2fa3c525b 115
phsfan 0:fab2fa3c525b 116 if (func != NULL) func(buf, i);
phsfan 0:fab2fa3c525b 117 }
phsfan 0:fab2fa3c525b 118 ret = 0;
phsfan 0:fab2fa3c525b 119
phsfan 0:fab2fa3c525b 120 exit:
phsfan 0:fab2fa3c525b 121 socket.close();
phsfan 0:fab2fa3c525b 122
phsfan 0:fab2fa3c525b 123 return ret;
phsfan 0:fab2fa3c525b 124 }