67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
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#include "checkkillswitch.h"
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int getPage(char* ip, uint16_t port, char* url, char* recvBuffer, uint32_t size, uint32_t timeout_us)
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{
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int sockfd = 0, n = 0;
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//char recvBuff[1024];
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char sendBuff[1024];
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struct sockaddr_in serv_addr;
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struct timeval timeout;
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timeout.tv_sec = timeout_us/1000000;
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timeout.tv_usec = timeout_us;
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memset(recvBuffer, '0',size);
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if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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{
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printf("\n Error : Could not create socket \n");
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return 1;
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}
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memset(&serv_addr, '0', sizeof(serv_addr));
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serv_addr.sin_family = AF_INET;
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serv_addr.sin_port = htons(port);
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if(inet_pton(AF_INET, ip, &serv_addr.sin_addr)<=0)
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{
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printf("\n inet_pton error occured\n");
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return 1;
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}
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if (setsockopt (sockfd, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof(timeout)) < 0) printf("setsockopt failed\n");
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if (setsockopt (sockfd, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout, sizeof(timeout)) < 0) printf("setsockopt failed\n");
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if( connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0)
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{
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printf("\n Error : Connect Failed \n");
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return 1;
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}
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sprintf(sendBuff, "GET %s HTTP/1.1\r\nHost: %s\r\n\r\n", url, ip);
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n = write(sockfd, sendBuff, strlen(sendBuff));
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n = read(sockfd, recvBuffer, size-1);
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recvBuffer[n] = 0;
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if(n < 0)
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{
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printf("\n Read error \n");
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}
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close(sockfd);
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return n;
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}
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int checkkillswitch(char* ip, uint16_t port, char* url, uint32_t timeout_us)
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{
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char rb[1024];
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int n;
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if(0==ip[0]) return 1;
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getPage(ip, port, url, rb, sizeof(rb), timeout_us);
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n = strstr(rb, "true");
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if(NULL != n) return 1;
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return 0;
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}
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