How to get SMS verification code---Gen Blue 253 SMS Service Platform

#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netdb.h>
#include <unistd.h>

#define SA struct SOCKADDR
#define MAXLINE 4096
#define MAXSUB 2000
#define MAXPARAM 2048

#define LISTENQ 1024

Online and offline interface macro switch

#define ONLINE

extern int H_errno;

int sockfd;

Char hostname = "123.59.105.84";
char Send_sms_uri = "/msg/send";
Char *query_balance_uri = "/msg/balance";

/**

• • Send an HTTP POST request
• /
  ssize_t http_post (Char page, char *poststr)
  {
  Char Sendline[maxline + 1], Recvline[maxline + 1];
  ssize_t N;
  snprintf (Sendline, Maxsub,
  "POST%s http/1.0\r\n"
  "Host:sms.253.com\r\n"
  "Content-type:application/x-www-form-urlencoded\r\n"
  "Content-length:%zu\r\n\r\n"
  "%s", page, strlen (POSTSTR), poststr);
  Write (SOCKFD, Sendline, strlen (Sendline));
  printf ("\n%s", sendline);
  printf ("\ n--------------------------\ n");
  while ((n = Read (SOCKFD, Recvline, MAXLINE)) > 0) {
  Recvline[n] = ' + ';
  printf ("%s\n", recvline);
  }
  return n;
  }

/**

• • Balance of Audit account

• /
  ssize_t get_balance (char un, char PW)
  {
  Char Params[maxparam + 1];
  char CP = params;

  sprintf(cp,"un=%s&pw=%s", un, pw);

  Return Http_post (Query_balance_uri, CP);
  }

/**

• • Send SMS

• /
  ssize_t send_sms (char un, char pw, char phone, char msg)
  {
  Char Params[maxparam + 1];
  char CP = params;

  sprintf(cp,"un=%s&pw=%s&phone=%s&msg=%s&rd=1", un, pw, phone, msg);    

  Return Http_post (Send_sms_uri, CP);
  }

int main (void)
{
struct sockaddr_in servaddr;
Char str[50];

//建立socket连接sockfd = socket(AF_INET, SOCK_STREAM, 0);bzero(&servaddr, sizeof(servaddr));servaddr.sin_addr.s_addr = inet_addr(hostname);servaddr.sin_family = AF_INET;servaddr.sin_port = htons(80);inet_pton(AF_INET, str, &servaddr.sin_addr);connect(sockfd, (SA *) & servaddr, sizeof(servaddr));    char *un = "账号";    char *pw = "密码";    char *phone = "手机号";    //必须带签名    char *msg = "【253云通讯】您的验证码是123400";//get_balance(un, pw);send_sms(un, pw, phone, msg);close(sockfd);exit(0);

}

In addition to C + +, there are demos in other languages (java/php/asp, etc.)
Downloadable by yourself: www.253.com/?did=168

How to get SMS verification code---Gen Blue 253 SMS Service Platform