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arpwatch
arpwatch-2.1a11-emailaddr.dif
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File arpwatch-2.1a11-emailaddr.dif of Package arpwatch
diff -ruN ../arpwatch-2.1a15.orig/addresses.h.in ./addresses.h.in --- ../arpwatch-2.1a15.orig/addresses.h.in 1996-06-05 07:40:29.000000000 +0200 +++ ./addresses.h.in 2008-11-12 14:26:23.000000000 +0100 @@ -1,2 +1,4 @@ #define WATCHER "root" -#define WATCHEE "arpwatch (Arpwatch)" +#define WATCHEE "root (Arpwatch)" +extern char *watcher; +extern char *watchee; diff -ruN ../arpwatch-2.1a15.orig/arpsnmp.8 ./arpsnmp.8 --- ../arpwatch-2.1a15.orig/arpsnmp.8 2000-09-17 22:34:48.000000000 +0200 +++ ./arpsnmp.8 2008-11-12 14:26:23.000000000 +0100 @@ -30,6 +30,12 @@ ] [ .B -f .I datafile +] [ +.B -e +.I username +] [ +.B -s +.I username ] .I file [ @@ -60,6 +66,27 @@ 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 .BR arpwatch (1) diff -ruN ../arpwatch-2.1a15.orig/arpsnmp.c ./arpsnmp.c --- ../arpwatch-2.1a15.orig/arpsnmp.c 2004-01-22 23:25:17.000000000 +0100 +++ ./arpsnmp.c 2008-11-12 14:26:23.000000000 +0100 @@ -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(); } @@ -185,6 +204,6 @@ (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); } diff -ruN ../arpwatch-2.1a15.orig/arpwatch.8 ./arpwatch.8 --- ../arpwatch-2.1a15.orig/arpwatch.8 2008-11-12 12:19:16.000000000 +0100 +++ ./arpwatch.8 2008-11-12 14:26:23.000000000 +0100 @@ -46,6 +46,12 @@ ] [ .B -u .I username +] [ +.B -e +.I username +] [ +.B -s +.I username ] .ad .SH DESCRIPTION @@ -107,6 +113,27 @@ .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 file must be created before the first time you run diff -ruN ../arpwatch-2.1a15.orig/arpwatch.c ./arpwatch.c --- ../arpwatch-2.1a15.orig/arpwatch.c 2008-11-12 14:21:27.000000000 +0100 +++ ./arpwatch.c 2008-11-12 14:26:23.000000000 +0100 @@ -83,6 +83,7 @@ #include "machdep.h" #include "setsignal.h" #include "util.h" +#include "addresses.h" /* Some systems don't define these */ #ifndef ETHERTYPE_REVARP @@ -224,7 +225,7 @@ 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': @@ -266,6 +267,26 @@ } 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(); } @@ -898,6 +919,7 @@ (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); } diff -ruN ../arpwatch-2.1a15.orig/report.c ./report.c --- ../arpwatch-2.1a15.orig/report.c 2008-11-12 12:15:54.000000000 +0100 +++ ./report.c 2008-11-12 14:26:23.000000000 +0100 @@ -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) {
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