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--- a/rexecd/rexecd.8
+++ b/rexecd/rexecd.8
@@ -40,6 +40,16 @@
.Nd remote execution server
.Sh SYNOPSIS
.Nm rexecd
+[
+\fB\-D\fP
+]
+.Sh OPTIONS
+.Nm Rexec
+accepts one option:
+.Pp
+.Bl -tag -width Ds
+.It Sy -D
+Disable reverse DNS look up and in the log will be used client IP addresses.
.Sh DESCRIPTION
.Nm Rexecd
is the server for the
--- a/rexecd/rexecd.c
+++ b/rexecd/rexecd.c
@@ -82,7 +82,9 @@
#include <string.h>
#include <paths.h>
#include <grp.h>
-
+#include <arpa/inet.h>
+
+
#ifdef USE_SHADOW
#include <shadow.h>
#endif
@@ -141,16 +143,22 @@
refuse(&from_host);
remote = hosts_info(&from_host);
#else
+ if (argc > 1 && argv[1] && strcmp(argv[1], "-D")==0)
{
- struct hostent *h = gethostbyaddr((const char *)&from.sin_addr,
- sizeof(struct in_addr),
- AF_INET);
- if (!h || !h->h_name) {
- write(0, "\1Where are you?\n", 16);
- return 1;
+ /* use IP in logs -- this is workaround */
+ remote = strdup(inet_ntoa(from.sin_addr));
}
- /* Be advised that this may be utter nonsense. */
- remote = strdup(h->h_name);
+ else
+ {
+ struct hostent *h = gethostbyaddr((const char *)&from.sin_addr,
+ sizeof(struct in_addr),
+ AF_INET);
+ if (!h || !h->h_name) {
+ write(0, "\1Where are you?\n", 16);
+ return 1;
+ }
+ /* Be advised that this may be utter nonsense. */
+ remote = strdup(h->h_name);
}
#endif
syslog(allow_severity, "connect from %.128s", remote);
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