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/*
** ident.c High-level calls to the ident lib
**
** Author: Pr Emanuelsson <pell@lysator.liu.se>
** Hacked by: Peter Eriksson <pen@lysator.liu.se>
*/
#ifdef NeXT3
# include <libc.h>
#endif
#include <stdio.h>
#ifdef HAVE_ANSIHEADERS
# include <stdlib.h>
# include <string.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#define IN_LIBIDENT_SRC
#include "ident.h"
#include <arpa/inet.h>
/* Do a complete ident query and return result */
IDENT *ident_lookup __P2(int, fd,
int, timeout)
{
#ifdef INET6
struct sockaddr_in6 localaddr, remoteaddr;
#else
struct sockaddr_in localaddr, remoteaddr;
#endif
int len;
len = sizeof(remoteaddr);
if (getpeername(fd, (struct sockaddr*) &remoteaddr, &len) < 0)
return 0;
len = sizeof(localaddr);
if (getsockname(fd, (struct sockaddr *) &localaddr, &len) < 0)
return 0;
#ifdef INET6
return ident_query( &localaddr.sin6_addr, &remoteaddr.sin6_addr,
ntohs(localaddr.sin6_port), ntohs(remoteaddr.sin6_port),
#else
return ident_query( &localaddr.sin_addr, &remoteaddr.sin_addr,
ntohs(localaddr.sin_port), ntohs(remoteaddr.sin_port),
#endif
timeout);
}
#ifdef INET6
IDENT *ident_query __P5(struct in6_addr *, laddr,
struct in6_addr *, raddr,
int, lport,
int, rport,
int, timeout)
#else
IDENT *ident_query __P5(struct in_addr *, laddr,
struct in_addr *, raddr,
int, lport,
int, rport,
int, timeout)
#endif
{
int res;
ident_t *id;
struct timeval timout;
IDENT *ident=0;
timout.tv_sec = timeout;
timout.tv_usec = 0;
if (timeout)
id = id_open( laddr, raddr, &timout);
else
id = id_open( laddr, raddr, (struct timeval *)0);
if (!id)
{
errno = EINVAL;
return 0;
}
if (timeout)
res = id_query(id, rport, lport, &timout);
else
res = id_query(id, rport, lport, (struct timeval *) 0);
if (res < 0)
{
id_close(id);
return 0;
}
ident = (IDENT *) malloc(sizeof(IDENT));
if (!ident) {
id_close(id);
return 0;
}
if (timeout)
res = id_parse(id, &timout,
&ident->lport,
&ident->fport,
&ident->identifier,
&ident->opsys,
&ident->charset);
else
res = id_parse(id, (struct timeval *) 0,
&ident->lport,
&ident->fport,
&ident->identifier,
&ident->opsys,
&ident->charset);
if (res != 1)
{
free(ident);
id_close(id);
return 0;
}
id_close(id);
return ident; /* At last! */
}
char *ident_id __P2(int, fd,
int, timeout)
{
IDENT *ident;
char *id=0;
ident = ident_lookup(fd, timeout);
if (ident && ident->identifier && *ident->identifier)
{
id = id_strdup(ident->identifier);
if (id == NULL)
return NULL;
}
ident_free(ident);
return id;
}
void ident_free __P1(IDENT *, id)
{
if (!id)
return;
if (id->identifier)
free(id->identifier);
if (id->opsys)
free(id->opsys);
if (id->charset)
free(id->charset);
free(id);
}
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