diff options
Diffstat (limited to 'networking/udhcp/dhcpc.c')
| -rw-r--r-- | networking/udhcp/dhcpc.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 449b517..95fa815 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -67,6 +67,7 @@ struct client_config_t client_config = { script: DEFAULT_SCRIPT, clientid: NULL, hostname: NULL, + fqdn: NULL, ifindex: 0, arp: "\0\0\0\0\0\0", /* appease gcc-3.0 */ }; @@ -79,6 +80,7 @@ static void __attribute__ ((noreturn)) show_usage(void) " -c, --clientid=CLIENTID Client identifier\n" " -H, --hostname=HOSTNAME Client hostname\n" " -h Alias for -H\n" +" -F, --fqdn=FQDN Client fully qualified domain name\n" " -f, --foreground Do not fork after getting lease\n" " -b, --background Fork to background if lease cannot be\n" " immediately negotiated.\n" @@ -197,7 +199,8 @@ int main(int argc, char *argv[]) {"foreground", no_argument, 0, 'f'}, {"background", no_argument, 0, 'b'}, {"hostname", required_argument, 0, 'H'}, - {"hostname", required_argument, 0, 'h'}, + {"hostname", required_argument, 0, 'h'}, + {"fqdn", required_argument, 0, 'F'}, {"interface", required_argument, 0, 'i'}, {"now", no_argument, 0, 'n'}, {"pidfile", required_argument, 0, 'p'}, @@ -211,7 +214,7 @@ int main(int argc, char *argv[]) /* get options */ while (1) { int option_index = 0; - c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:s:v", arg_options, &option_index); + c = getopt_long(argc, argv, "c:fbH:h:F:i:np:qr:s:v", arg_options, &option_index); if (c == -1) break; switch (c) { @@ -239,6 +242,23 @@ int main(int argc, char *argv[]) client_config.hostname[OPT_LEN] = len; strncpy(client_config.hostname + 2, optarg, len); break; + case 'F': + len = strlen(optarg) > 255 ? 255 : strlen(optarg); + if (client_config.fqdn) free(client_config.fqdn); + client_config.fqdn = xmalloc(len + 5); + client_config.fqdn[OPT_CODE] = DHCP_FQDN; + client_config.fqdn[OPT_LEN] = len + 3; + /* Flags: 0000NEOS + S: 1 => Client requests Server to update A RR in DNS as well as PTR + O: 1 => Server indicates to client that DNS has been updated regardless + E: 1 => Name data is DNS format, i.e. <4>host<6>domain<4>com<0> not "host.domain.com" + N: 1 => Client requests Server to not update DNS + */ + client_config.fqdn[OPT_LEN + 1] = 0x1; + client_config.fqdn[OPT_LEN + 2] = 0; + client_config.fqdn[OPT_LEN + 3] = 0; + strncpy(client_config.fqdn + 5, optarg, len); + break; case 'i': client_config.interface = optarg; break; |