*/
#include "includes.h"
-RCSID("$OpenBSD: canohost.c,v 1.44 2005/06/17 02:44:32 djm Exp $");
+RCSID("$OpenBSD: canohost.c,v 1.48 2005/12/28 22:46:06 stevesk Exp $");
#include "packet.h"
#include "xmalloc.h"
cleanup_exit(255);
}
- if (from.ss_family == AF_INET)
- check_ip_options(sock, ntop);
-
ipv64_normalise_mapped(&from, &fromlen);
if (from.ss_family == AF_INET6)
NULL, 0, NI_NUMERICHOST) != 0)
fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed");
+ if (from.ss_family == AF_INET)
+ check_ip_options(sock, ntop);
+
if (!use_dns)
return xstrdup(ntop);
hints.ai_socktype = SOCK_STREAM;
if (getaddrinfo(name, NULL, &hints, &aitop) != 0) {
logit("reverse mapping checking getaddrinfo for %.700s "
- "failed - POSSIBLE BREAKIN ATTEMPT!", name);
+ "failed - POSSIBLE BREAK-IN ATTEMPT!", name);
return xstrdup(ntop);
}
/* Look for the address from the list of addresses. */
if (!ai) {
/* Address not found for the host name. */
logit("Address %.100s maps to %.600s, but this does not "
- "map back to the address - POSSIBLE BREAKIN ATTEMPT!",
+ "map back to the address - POSSIBLE BREAK-IN ATTEMPT!",
ntop, name);
return xstrdup(ntop);
}
for (i = 0; i < option_size; i++)
snprintf(text + i*3, sizeof(text) - i*3,
" %2.2x", options[i]);
- logit("Connection from %.100s with IP options:%.800s",
- ipaddr, text);
- packet_disconnect("Connection from %.100s with IP options:%.800s",
+ fatal("Connection from %.100s with IP options:%.800s",
ipaddr, text);
}
#endif /* IP_OPTIONS */
const char *
get_canonical_hostname(int use_dns)
{
+ char *host;
static char *canonical_host_name = NULL;
- static int use_dns_done = 0;
+ static char *remote_ip = NULL;
/* Check if we have previously retrieved name with same option. */
- if (canonical_host_name != NULL) {
- if (use_dns_done != use_dns)
- xfree(canonical_host_name);
- else
- return canonical_host_name;
- }
+ if (use_dns && canonical_host_name != NULL)
+ return canonical_host_name;
+ if (!use_dns && remote_ip != NULL)
+ return remote_ip;
/* Get the real hostname if socket; otherwise return UNKNOWN. */
if (packet_connection_is_on_socket())
- canonical_host_name = get_remote_hostname(
- packet_get_connection_in(), use_dns);
+ host = get_remote_hostname(packet_get_connection_in(), use_dns);
else
- canonical_host_name = xstrdup("UNKNOWN");
+ host = "UNKNOWN";
- use_dns_done = use_dns;
- return canonical_host_name;
+ if (use_dns)
+ canonical_host_name = host;
+ else
+ remote_ip = host;
+ return host;
}
/*