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Add a -s flag to specify the broadcast destination IP address.

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Ted Lemon
1999-07-06 17:17:16 +00:00
parent 71df44f55a
commit e3a84e3562
1 changed files with 23 additions and 1 deletions
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24
server/dhcpd.c
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@@ -22,7 +22,7 @@
#ifndef lint #ifndef lint
static char ocopyright[] = static char ocopyright[] =
"$Id: dhcpd.c,v 1.70 1999/05/07 17:32:38 mellon Exp $ Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium."; "$Id: dhcpd.c,v 1.71 1999/07/06 17:17:16 mellon Exp $ Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.";
#endif #endif
static char copyright[] = static char copyright[] =
@@ -46,6 +46,8 @@ int server_identifier_matched;
u_int16_t local_port; u_int16_t local_port;
u_int16_t remote_port; u_int16_t remote_port;
struct in_addr limited_broadcast;
int log_priority; int log_priority;
#ifdef DEBUG #ifdef DEBUG
int log_perror = -1; int log_perror = -1;
@@ -74,6 +76,7 @@ int main (argc, argv, envp)
int daemon = 1; int daemon = 1;
#endif #endif
int quiet = 0; int quiet = 0;
char *server = (char *)0;
/* Initially, log errors to stderr as well as to syslogd. */ /* Initially, log errors to stderr as well as to syslogd. */
#ifdef SYSLOG_4_2 #ifdef SYSLOG_4_2
@@ -115,6 +118,10 @@ int main (argc, argv, envp)
daemon = 0; daemon = 0;
#endif #endif
log_perror = -1; log_perror = -1;
} else if (!strcmp (argv [i], "-s")) {
if (++i == argc)
usage ();
server = argv [i];
} else if (!strcmp (argv [i], "-cf")) { } else if (!strcmp (argv [i], "-cf")) {
if (++i == argc) if (++i == argc)
usage (); usage ();
@@ -177,6 +184,21 @@ int main (argc, argv, envp)
remote_port = htons (ntohs (local_port) + 1); remote_port = htons (ntohs (local_port) + 1);
if (server) {
if (!inet_aton (server, &limited_broadcast)) {
struct hostent *he;
he = gethostbyname (server);
if (he) {
memcpy (&limited_broadcast,
he -> h_addr_list [0],
sizeof limited_broadcast);
} else
limited_broadcast.s_addr = INADDR_BROADCAST;
}
} else {
limited_broadcast.s_addr = INADDR_BROADCAST;
}
/* Get the current time... */ /* Get the current time... */
GET_TIME (&cur_time); GET_TIME (&cur_time);