Kim Woelders
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* Socket interface API
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*/
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#include <netdb.h> /* getaddrinfo() */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include "nvt_log.h"
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#include "nvt_socket.h"
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int socket_create_client(const char *addr)
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{
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char host[64], port[64];
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struct hostent *server;
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struct sockaddr_in serveraddr;
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int sockfd, err;
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sscanf(addr, "%63[^:]:%63s", host, port);
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server = gethostbyname(host);
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if (server == NULL)
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{
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nvt_log(LOG_ERR, "Cannot resolve host name: %m\n");
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return -1;
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}
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0)
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{
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nvt_log(LOG_ERR, "Socket open failed: %m\n");
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return sockfd;
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}
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bzero((char *)&serveraddr, sizeof(serveraddr));
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serveraddr.sin_family = AF_INET;
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bcopy((char *)server->h_addr, (char *)&serveraddr.sin_addr.s_addr,
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server->h_length);
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serveraddr.sin_port = htons(atoi(port));
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err = connect(sockfd, (struct sockaddr *)&serveraddr, sizeof(serveraddr));
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if (err < 0)
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{
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nvt_log(LOG_ERR, "Failed to connect to: %s: %m\n", addr);
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close(sockfd);
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return -1;
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}
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return sockfd;
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}
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