cvs.zerfleddert.de Git - record-dvb/blob - http.c

   1 #include <strings.h>
   2 #include <string.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <sys/types.h>
   6 #include <sys/socket.h>
   7 #include <netinet/in.h>
   8 #include <arpa/inet.h>
   9 #include <netdb.h>
  10
  11 #include "common.h"
  12 #include "http.h"
  13
  14 #define BUFFSIZE 1024
  15
  16 int is_http(char *url)
  17 {
  18         if (strlen(url) < 8)
  19                 return 0;
  20
  21         if (!strncasecmp("http://",url,7))
  22                 return 1;
  23
  24         return 0;
  25 }
  26
  27 int open_http(char *url)
  28 {
  29         int fd;
  30         struct sockaddr_in server;
  31         struct dvb_host *dvbhost;
  32         struct addrinfo *s_addrinfo, addrhints;
  33         char buffer[BUFFSIZE];
  34         int i;
  35
  36         if(!is_http(url))
  37                 return -1;
  38
  39         dvbhost = parse(&(url[7]), "80");
  40
  41         bzero(&addrhints, sizeof(struct addrinfo));
  42         addrhints.ai_family = PF_INET;
  43         addrhints.ai_socktype = SOCK_STREAM;
  44
  45         if ((i=getaddrinfo(dvbhost->hostname, dvbhost->port, &addrhints, &s_addrinfo))) {
  46                 fprintf(stderr,"getaddrinfo: %s\n",gai_strerror(i));
  47                 return -1;
  48         }
  49
  50         if ((fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
  51                 perror("socket");
  52                 return -1;
  53         }
  54
  55         bzero(&server, sizeof(struct sockaddr_in));
  56         server.sin_family = AF_INET;
  57         server.sin_addr.s_addr = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_addr.s_addr;
  58         server.sin_port = ((struct sockaddr_in*)(s_addrinfo->ai_addr))->sin_port;
  59
  60         if (connect(fd, (struct sockaddr*) &server, sizeof(server)) < 0) {
  61                 perror("connect");
  62                 return -1;
  63         }
  64
  65         freeaddrinfo(s_addrinfo);
  66
  67
  68         snprintf(buffer, BUFFSIZE-1, "GET /%s HTTP/1.0\n\n",dvbhost->location);
  69         buffer[BUFFSIZE-1] = 0;
  70         send(fd, buffer, strlen(buffer), 0);
  71         i = 0;
  72         while(i < 2) {
  73                 if (recv(fd, buffer, 1, 0) < 1) {
  74                         perror("recv");
  75                         exit(EXIT_FAILURE);
  76                 }
  77                 printf("%c",buffer[0]);
  78                 if (buffer[0] == 0x0a)
  79                         i++;
  80                 else
  81                         if (buffer[0] != 0x0d)
  82                                 i = 0;
  83         }
  84
  85         return fd;
  86 }