--- arpwatch-2.1a11/addresses.h.in.addr Wed Jun 5 00:40:29 1996
+++ arpwatch-2.1a11/addresses.h.in Wed Jul 31 17:39:38 2002
@@ -1,2 +1,4 @@
#define WATCHER "root"
-#define WATCHEE "arpwatch (Arpwatch)"
+#define WATCHEE "root (Arpwatch)"
+extern char *watcher;
+extern char *watchee;
--- arpwatch-2.1a11/arpsnmp.8.addr Sun Sep 17 15:34:48 2000
+++ arpwatch-2.1a11/arpsnmp.8 Fri Aug 2 15:15:31 2002
@@ -30,6 +30,12 @@
] [
.B -f
.I datafile
+] [
+.B -e
+.I username
+] [
+.B -s
+.I username
]
.I file
[
@@ -59,6 +65,27 @@
.I arp.dat
file must be created before the first time you run
.BR arpsnmp .
+.LP
+If the
+.B -e
+flag is used,
+.B arpsnmp
+sends e-mail messages to
+.I username
+rather than the default (root).
+If a single `-' character is given for the username,
+sending of e-mail is suppressed,
+but logging via syslog is still done as usual.
+(This can be useful during initial runs, to collect data
+without being flooded with messages about new stations.)
+.LP
+If the
+.B -s
+flag is used,
+.B arpsnmp
+sends e-mail messages with
+.I username
+as the return address, rather than the default (root).
.LP
.SH "REPORT MESSAGES"
(See the
--- arpwatch-2.1a11/arpsnmp.c.addr Sun Jan 17 19:47:40 1999
+++ arpwatch-2.1a11/arpsnmp.c Fri Aug 2 15:17:16 2002
@@ -59,6 +59,7 @@
#include "file.h"
#include "machdep.h"
#include "util.h"
+#include "addresses.h"
/* Forwards */
int main(int, char **);
@@ -90,7 +91,7 @@
}
opterr = 0;
- while ((op = getopt(argc, argv, "df:")) != EOF)
+ while ((op = getopt(argc, argv, "df:e:s:")) != EOF)
switch (op) {
case 'd':
@@ -105,6 +106,24 @@
arpfile = optarg;
break;
+ case 'e':
+ if ( optarg ) {
+ watcher = strdup(optarg);
+ } else {
+ (void)fprintf(stderr, "%s: Need recipient username/e-mail address after -e\n", prog);
+ usage();
+ }
+ break;
+
+ case 's':
+ if ( optarg ) {
+ watchee = strdup(optarg);
+ } else {
+ (void)fprintf(stderr, "%s: Need sender username/e-mail address after -s\n", prog);
+ usage();
+ }
+ break;
+
default:
usage();
}
@@ -184,6 +203,6 @@
(void)fprintf(stderr, "Version %s\n", version);
(void)fprintf(stderr,
- "usage: %s [-d] [-f datafile] file [...]\n", prog);
+ "usage: %s [-d] [-f datafile] [-e username] [-s username] file [...]\n", prog);
exit(1);
}
--- arpwatch-2.1a11/arpwatch.8.addr Thu Aug 1 13:45:36 2002
+++ arpwatch-2.1a11/arpwatch.8 Thu Aug 1 14:08:05 2002
@@ -46,6 +46,12 @@
] [
.B -u
.I username
+] [
+.B -e
+.I username
+] [
+.B -s
+.I username
]
.ad
.SH DESCRIPTION
@@ -106,6 +112,27 @@
and group ID to that of the primary group of
.IR username .
This is recommended for security reasons.
+.LP
+If the
+.B -e
+flag is used,
+.B arpwatch
+sends e-mail messages to
+.I username
+rather than the default (root).
+If a single `-' character is given for the username,
+sending of e-mail is suppressed,
+but logging via syslog is still done as usual.
+(This can be useful during initial runs, to collect data
+without being flooded with messages about new stations.)
+.LP
+If the
+.B -s
+flag is used,
+.B arpwatch
+sends e-mail messages with
+.I username
+as the return address, rather than the default (root).
.LP
Note that an empty
.I arp.dat
--- arpwatch-2.1a11/arpwatch.c.addr Thu Aug 1 13:45:36 2002
+++ arpwatch-2.1a11/arpwatch.c Thu Aug 1 13:47:35 2002
@@ -78,6 +78,7 @@
#include "machdep.h"
#include "setsignal.h"
#include "util.h"
+#include "addresses.h"
/* Some systems don't define these */
#ifndef ETHERTYPE_REVARP
@@ -190,7 +191,7 @@
interface = NULL;
rfilename = NULL;
pd = NULL;
- while ((op = getopt(argc, argv, "df:i:n:Nr:u:")) != EOF)
+ while ((op = getopt(argc, argv, "df:i:n:Nr:u:e:s:")) != EOF)
switch (op) {
case 'd':
@@ -232,6 +233,26 @@
}
break;
+ case 'e':
+ if ( optarg ) {
+ watcher = strdup(optarg);
+ }
+ else {
+ fprintf(stderr, "%s: Need recipient username/e-mail address after -e\n", prog);
+ usage();
+ }
+ break;
+
+ case 's':
+ if ( optarg ) {
+ watchee = strdup(optarg);
+ }
+ else {
+ fprintf(stderr, "%s: Need sender username/e-mail address after -s\n", prog);
+ usage();
+ }
+ break;
+
default:
usage();
}
@@ -784,6 +805,7 @@
(void)fprintf(stderr, "Version %s\n", version);
(void)fprintf(stderr, "usage: %s [-dN] [-f datafile] [-i interface]"
- " [-n net[/width]] [-r file] [-u username]\n", prog);
+ " [-n net[/width]] [-r file] [-u username]"
+ " [-e username] [-s username]\n", prog);
exit(1);
}
--- arpwatch-2.1a11/report.c.addr Sat Sep 30 18:41:10 2000
+++ arpwatch-2.1a11/report.c Thu Aug 1 14:16:43 2002
@@ -70,6 +70,9 @@
#define PLURAL(n) ((n) == 1 || (n) == -1 ? "" : "s")
+char *watcher = WATCHER;
+char *watchee = WATCHEE;
+
static int cdepth; /* number of outstanding children */
static char *fmtdate(time_t);
@@ -240,8 +243,6 @@
register FILE *f;
char tempfile[64], cpu[64], os[64];
char *fmt = "%20s: %s\n";
- char *watcher = WATCHER;
- char *watchee = WATCHEE;
char *sendmail = PATH_SENDMAIL;
char *unknown = "<unknown>";
char buf[132];
@@ -258,6 +259,9 @@
}
f = stdout;
(void)putc('\n', f);
+ } else if (watcher == NULL || *watcher == NULL || *watcher == '-') {
+ dosyslog(LOG_NOTICE, title, a, e1, e2);
+ return;
} else {
/* Setup child reaper if we haven't already */
if (!init) {