mirror of
https://framagit.org/bortzmeyer/echoping
synced 2024-11-16 21:25:37 +00:00
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
#include "echoping.h"
|
|
|
|
#ifdef HTTP
|
|
#include "HTParse.h"
|
|
|
|
|
|
char big_recvline[MAXTOREAD];
|
|
|
|
char *
|
|
make_http_sendline (char *url, char *host, int port)
|
|
{
|
|
short sport = (short) port;
|
|
int size = 200; /* Enough? */
|
|
char *sendline = (char *) malloc (size);
|
|
char *hostname = (char *) malloc (size);
|
|
#ifdef HTTP10
|
|
sprintf (sendline, "GET %s HTTP/1.0\r\nUser-Agent: Echoping/%s\r\n\r\n",
|
|
url, VERSION);
|
|
#else
|
|
hostname = HTParse (url, "", PARSE_HOST);
|
|
if (!strcmp (hostname, ""))
|
|
sprintf (hostname, "%s:%d", host, sport);
|
|
sprintf (sendline,
|
|
"GET %s HTTP/1.1\r\nUser-Agent: Echoping/%s\r\nHost: %s\r\nConnection: close\r\n\r\n",
|
|
url, VERSION, hostname);
|
|
#ifndef linux
|
|
/* Bug in free(3)? */
|
|
free (hostname);
|
|
#endif
|
|
#endif
|
|
return sendline;
|
|
}
|
|
|
|
void
|
|
find_server_and_port (char *server, short *port, char *default_port)
|
|
{
|
|
char *text_port, *p;
|
|
struct servent *sp;
|
|
for (p = server; *p; p++)
|
|
{
|
|
if (*p == ':')
|
|
{
|
|
*p = 0;
|
|
text_port = p + 1;
|
|
*port = atoi (text_port);
|
|
}
|
|
}
|
|
if (*port == 0)
|
|
{
|
|
if ((sp = getservbyname (default_port, "tcp")) == NULL)
|
|
{
|
|
err_quit ("tcp_open: unknown service: %s/tcp", default_port);
|
|
}
|
|
*port = sp->s_port;
|
|
}
|
|
else
|
|
*port = htons (*port);
|
|
}
|
|
|
|
int
|
|
read_from_server (int fd)
|
|
{
|
|
int nr;
|
|
int total = 0;
|
|
char reply_code;
|
|
int first_line = TRUE;
|
|
short body = FALSE;
|
|
while (!body)
|
|
{
|
|
nr = readline (fd, big_recvline, MAXTOREAD, TRUE);
|
|
/* HTTP replies should be separated by CR-LF. Unfortunately, some
|
|
servers send only CR :-( */
|
|
body = ((nr == 2) || (nr == 1)); /* Empty line CR-LF seen */
|
|
if ((nr < 1) && (errno == EINTR)) /* Probably a timeout */
|
|
return -1;
|
|
if (nr < 1)
|
|
err_sys ("Error reading HTTP header");
|
|
/* if ((int) big_recvline[nr-1] == 10)
|
|
nr--; */
|
|
if (first_line)
|
|
{
|
|
reply_code = big_recvline[9]; /* 9 because "HTTP/1.x 200..." */
|
|
if (reply_code != '2') /* Status codes beginning with 3 are not errors
|
|
but should never appear in reply to echoping's requests */
|
|
err_quit ("HTTP error \"%s\"", big_recvline);
|
|
}
|
|
total = total + nr;
|
|
first_line = FALSE;
|
|
}
|
|
/* Read the body */
|
|
nr = readline (fd, big_recvline, MAXTOREAD, FALSE);
|
|
if ((nr < 2) && (errno == EINTR)) /* Probably a timeout */
|
|
return -1;
|
|
if (nr < 2) /* Hmm, if the body is empty, we'll get a meaningless error message */
|
|
err_sys ("Reading HTTP body");
|
|
total = total + nr;
|
|
return total; /* How to do if we want only the body's size? */
|
|
}
|
|
|
|
#endif /* HTTP */
|