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/* $Id: remopen.c 8921 2010-01-22 23:33:08Z iulius $
**
** Open a connection to a remote NNTP server.
*/
#include "config.h"
#include "clibrary.h"
#include "portable/socket.h"
#include <errno.h>
#include "inn/innconf.h"
#include "inn/libinn.h"
#include "inn/network.h"
#include "inn/nntp.h"
/*
** Open a connection to an NNTP server and create stdio FILE's for talking
** to it. Return -1 on error.
*/
int
NNTPconnect(const char *host, int port, FILE **FromServerp, FILE **ToServerp,
char *errbuff, size_t len)
{
char mybuff[NNTP_MAXLEN_COMMAND + 2];
char *buff;
int fd, code, oerrno;
FILE *F = NULL;
if (errbuff)
buff = errbuff;
else {
buff = mybuff;
len = sizeof(mybuff);
}
*buff = '\0';
fd = network_connect_host(host, port, NULL);
if (fd < 0)
return -1;
/* Connected -- now make sure we can post. If we can't, use EPERM as a
reasonable error code. */
F = fdopen(fd, "r");
if (F == NULL)
goto fail;
if (fgets(buff, len, F) == NULL)
goto fail;
code = atoi(buff);
if (code != NNTP_OK_BANNER_POST && code != NNTP_OK_BANNER_NOPOST) {
errno = EPERM;
goto fail;
}
*FromServerp = F;
*ToServerp = fdopen(dup(fd), "w");
if (*ToServerp == NULL)
goto fail;
return 0;
fail:
oerrno = errno;
if (F != NULL)
fclose(F);
else
close(fd);
errno = oerrno;
return -1;
}
int
NNTPremoteopen(int port, FILE **FromServerp, FILE **ToServerp, char *errbuff,
size_t len)
{
char *p;
if ((p = innconf->server) == NULL) {
if (errbuff)
strlcpy(errbuff, "What server?", len);
return -1;
}
return NNTPconnect(p, port, FromServerp, ToServerp, errbuff, len);
}
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