diff options
| -rw-r--r-- | usr.sbin/dhcp/dhclient/dhclient.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/usr.sbin/dhcp/dhclient/dhclient.c b/usr.sbin/dhcp/dhclient/dhclient.c index 6ff387acd26..d9934182b70 100644 --- a/usr.sbin/dhcp/dhclient/dhclient.c +++ b/usr.sbin/dhcp/dhclient/dhclient.c @@ -56,7 +56,7 @@ #ifndef lint static char copyright[] = -"$Id: dhclient.c,v 1.13 2001/01/03 16:04:39 ericj Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n"; +"$Id: dhclient.c,v 1.14 2001/01/06 19:55:06 angelos Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n"; #endif /* not lint */ #include "dhcpd.h" @@ -117,7 +117,7 @@ int main (argc, argv, envp) int argc; char **argv, **envp; { - int i; + int i, fd; struct servent *ent; struct interface_info *ip; @@ -180,12 +180,20 @@ int main (argc, argv, envp) /* Parse the dhclient.conf file. */ read_client_conf (); + /* Lock the leases file */ + fd = open(path_dhclient_db, O_RDONLY | O_EXLOCK, 0); + if (fd < 0) + error ("can't open and lock %s: %m", path_dhclient_db); + /* Parse the lease database. */ read_client_leases (); /* Rewrite the lease database... */ rewrite_client_leases (); + /* Close and unlock */ + close(fd); + /* If no broadcast interfaces were discovered, call the script and tell it so. */ if (!interfaces) { |