Mod aaa-12 本地Portal server配置

RCA：判断IP格式、端口号是否冲突，绑定IP和端口号
SOL：

Product/user/user_auth/port-ip.c

@@ -0,0 +1,78 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int _valid_ipv4_port(const char *str, int port)
+{
+  int ret;
+  int fd;
+  int i;
+  volatile int local_errno;
+  struct sockaddr_in addr;
+  fd = socket(AF_INET,SOCK_STREAM,0); //初始化socket
+ 
+  
+  if(fd ==-1) //检查是否正常初始化socket
+  {
+     return -1;
+  }
+
+  errno = 0;
+  local_errno = errno;
+
+  ret = inet_pton(AF_INET, str ,&addr.sin_addr);
+  printf("the value of ret is:%d\n",ret);
+  if(ret > 0)
+    {
+     fprintf(stderr, "\"%s\" is a vaild IPv4 address\n", str);
+     
+     addr.sin_family = AF_INET;   //地址结构的协议簇
+     addr.sin_port=htons(port);   //地址结构的端口地址，网络字节序
+     printf("the value of str:%s\n", str);
+     i = (bind(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr)));
+     printf("the value of i:%d\n", i);
+
+     if( i < 0)
+       {
+        printf("port %d has been used. \n", port);
+        close(fd);
+        return -1;
+       }
+
+     printf("port %d is ok. \n", port);
+     close(fd);
+     return 0;
+    }
+    
+  else if (ret < 0)
+    {
+     fprintf(stderr, "EAFNOSUPPORT: %s\n", strerror(local_errno));
+     return -1;
+    }
+  else
+    {
+     fprintf(stderr, "\"%s\" is not a vaild IPv4 address\n", str);
+     return -1;
+    }
+}
+
+
+
+int main()
+{  
+   char a[] ="192.168.209.193";
+   char *pIP = a;
+   char *pNotIP = "192.168.0.256";
+   int port = 56298;  
+   int port1 = 3369; 
+   _valid_ipv4_port(pIP, port);
+   _valid_ipv4_port(pIP, port1);
+   _valid_ipv4_port(pNotIP, port1);
+
+   return 0;
+}

Product/user/user_auth/portal-clent.c

@@ -0,0 +1,86 @@
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+ 
+ /*
+连接到服务器后，会不停循环，等待输入，
+输入quit后，断开与服务器的连接
+*/
+ 
+int main()
+ 
+{
+ 
+ int clientfd;
+ struct sockaddr_in serverAddr;
+ char sendbuf[200];
+ char recvbuf[200];
+ int iDataNum;
+ char a[] = "192.168.209.193";
+ char *str = a;
+ int port = 61;
+
+ if((clientfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+ {
+  printf("socket error");
+  return -1;
+ }
+  
+  bzero(&serverAddr, sizeof(serverAddr)); 
+  serverAddr.sin_family = AF_INET;
+  serverAddr.sin_port = htons(port);
+  printf("the value of str:%s\n", str);
+  //将字符串的IP地址转化为网络字节序
+  int ret = inet_pton(AF_INET, str, &serverAddr.sin_addr);
+  printf("the value of ret is:%d\n",ret);
+  printf("inet_pton:0x%x\n", serverAddr.sin_addr.s_addr);
+  if(ret < 0)
+  {
+   printf("error");
+   return -1;
+
+  }
+
+  int i = connect(clientfd, (struct sockaddr *)&serverAddr, sizeof(serverAddr)); 
+  printf("the value of i is:%d\n", i);
+  
+  if(i < 0)
+  {
+    fprintf(stderr, "socket connect error=%d(%s)\n", errno, strerror(errno));
+   return -1;
+  }
+ 
+  printf("连接到主机...\n");
+ 
+  while(1)
+  {
+   printf("发送消息:");
+   scanf("%s", sendbuf);
+   printf("\n");
+ 
+   send(clientfd, sendbuf, strlen(sendbuf), 0);
+   if(strcmp(sendbuf, "quit") == 0)
+   break;
+ 
+   printf("读取消息:");
+   recvbuf[0] = '\0';
+   iDataNum = recv(clientfd, recvbuf, 200, 0);
+   recvbuf[iDataNum] = '\0';
+   printf("%s\n", recvbuf);
+ }
+ 
+ close(clientfd);
+ return 0;
+ 
+}
+

Product/user/user_auth/portal-server.c

@@ -0,0 +1,126 @@
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <netdb.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+ 
+/*
+监听后，一直处于accept阻塞状态，
+直到有客户端连接，
+当客户端如数quit后，断开与客户端的连接
+*/
+ 
+int main(int args, char** argv) 
+{
+	int fd;
+	struct sockaddr_in server_addr;
+	struct sockaddr_in clientAddr;
+	int addr_len = sizeof(clientAddr);
+	int client;
+	char buffer[200];
+	int iDataNum;
+
+	char ip[] = "192.168.209.193"; 
+	char *str = ip;
+	uint16_t port = 61;
+
+
+
+	//建立socket
+	fd = socket(AF_INET, SOCK_STREAM, 0);
+	if(fd == -1)
+	{
+		printf("socket failed");
+		return -1;
+	}
+
+	bzero(&server_addr, sizeof(server_addr));
+
+	server_addr.sin_family = AF_INET;
+	server_addr.sin_port = htons(port);
+	printf("the value of str:%s\n", str);
+	//将IP地址转换成网络字节序
+	int ret = inet_pton(AF_INET, str, &server_addr.sin_addr);
+	printf("the value of ret is:%d\n",ret);
+	printf("inet_pton:0x%x\n", server_addr.sin_addr.s_addr);
+	if(ret < 0)
+	{
+		printf("error");
+		return -1;
+	} 
+
+	int i = bind(fd, (struct sockaddr *)&server_addr, sizeof(server_addr));
+	printf("the value of i is :%d\n", i);
+	if(i < 0)
+	{
+		printf("bind error");
+		return -1;
+	}
+
+	//开启监听，第二个参数是最大监听数
+	listen(fd,5);
+	if(listen(fd, 5) < 0)
+	{
+		printf("listen error");
+		return -1;
+	}
+
+	while(1)
+	{
+		printf("监听端口: %d\n", port);  
+		client = accept(fd, (struct sockaddr*)&clientAddr, (socklen_t*)&addr_len);
+
+		if(client < 0)
+		{
+			printf("accept error");
+			continue;
+		}
+
+		printf("等待消息...\n");
+		printf("IP is %s\n", inet_ntoa(clientAddr.sin_addr));
+		printf("Port is %d\n", htons(clientAddr.sin_port));
+
+		while(1)
+		{
+			printf("读取消息:");
+			buffer[0] = '\0';
+			iDataNum = recv(client, buffer, 1024, 0);
+			if(iDataNum < 0)
+			{
+			printf("recv null");
+			continue;
+			}
+			buffer[iDataNum] = '\0';
+			if(strcmp(buffer, "quit") == 0)
+			break;
+			printf("%s\n", buffer);
+
+
+			printf("发送消息:");
+			scanf("%s", buffer);
+			printf("\n");
+			send(client, buffer, strlen(buffer), 0);
+			if(strcmp(buffer, "quit") == 0)
+			break;
+		}
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+
+
+
+
+
+