diff options
Diffstat (limited to 'networking/udhcp')
| -rw-r--r-- | networking/udhcp/README.udhcpc | 4 | ||||
| -rw-r--r-- | networking/udhcp/clientpacket.c | 7 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.c | 25 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.h | 1 |
4 files changed, 28 insertions, 9 deletions
diff --git a/networking/udhcp/README.udhcpc b/networking/udhcp/README.udhcpc index e19bf37..0417ff2 100644 --- a/networking/udhcp/README.udhcpc +++ b/networking/udhcp/README.udhcpc @@ -10,7 +10,9 @@ command line options The command line options for the udhcp client are: --c, --clientid=CLIENTID Client identifier +-c, --clientid=CLIENTID Set client identifier. Type is first char. +-C, --clientid-none Suppress default client identifier +-V, --vendorclass=CLASSID Set vendor class identifier -H, --hostname=HOSTNAME Client hostname -h, Alias for -H -F, --fqdn=FQDN Client fully qualified domain name diff --git a/networking/udhcp/clientpacket.c b/networking/udhcp/clientpacket.c index 2695b06..528befd 100644 --- a/networking/udhcp/clientpacket.c +++ b/networking/udhcp/clientpacket.c @@ -69,18 +69,13 @@ unsigned long random_xid(void) /* initialize a packet with the proper defaults */ static void init_packet(struct dhcpMessage *packet, char type) { - struct vendor { - char vendor, length; - char str[sizeof("udhcp "VERSION)]; - } vendor_id = { DHCP_VENDOR, sizeof("udhcp "VERSION) - 1, "udhcp "VERSION}; - init_header(packet, type); memcpy(packet->chaddr, client_config.arp, 6); if (client_config.clientid) add_option_string(packet->options, client_config.clientid); if (client_config.hostname) add_option_string(packet->options, client_config.hostname); if (client_config.fqdn) add_option_string(packet->options, client_config.fqdn); - add_option_string(packet->options, (uint8_t *) &vendor_id); + add_option_string(packet->options, client_config.vendorclass); } diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 35ae757..48923f6 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -66,6 +66,7 @@ struct client_config_t client_config = { .pidfile = NULL, .script = DEFAULT_SCRIPT, .clientid = NULL, + .vendorclass = NULL, .hostname = NULL, .fqdn = NULL, .ifindex = 0, @@ -77,8 +78,9 @@ static void __attribute__ ((noreturn)) show_usage(void) { printf( "Usage: udhcpc [OPTIONS]\n\n" -" -c, --clientid=CLIENTID Set client identifier\n" +" -c, --clientid=CLIENTID Set client identifier - type is first char\n" " -C, --clientid-none Suppress default client identifier\n" +" -V, --vendorclass=CLASSID Set vendor class identifier\n" " -H, --hostname=HOSTNAME Client hostname\n" " -h Alias for -H\n" " -F, --fqdn=FQDN Client fully qualified domain name\n" @@ -199,6 +201,7 @@ int main(int argc, char *argv[]) static const struct option arg_options[] = { {"clientid", required_argument, 0, 'c'}, {"clientid-none", no_argument, 0, 'C'}, + {"vendorclass", required_argument, 0, 'V'}, {"foreground", no_argument, 0, 'f'}, {"background", no_argument, 0, 'b'}, {"hostname", required_argument, 0, 'H'}, @@ -217,7 +220,7 @@ int main(int argc, char *argv[]) /* get options */ while (1) { int option_index = 0; - c = getopt_long(argc, argv, "c:CfbH:h:F:i:np:qr:s:v", arg_options, &option_index); + c = getopt_long(argc, argv, "c:CV:fbH:h:F:i:np:qr:s:v", arg_options, &option_index); if (c == -1) break; switch (c) { @@ -235,6 +238,14 @@ int main(int argc, char *argv[]) if (client_config.clientid) show_usage(); no_clientid = 1; break; + case 'V': + len = strlen(optarg) > 255 ? 255 : strlen(optarg); + if (client_config.vendorclass) free(client_config.vendorclass); + client_config.vendorclass = xmalloc(len + 2); + client_config.vendorclass[OPT_CODE] = DHCP_VENDOR; + client_config.vendorclass[OPT_LEN] = len; + strncpy(client_config.vendorclass + OPT_DATA, optarg, len); + break; case 'f': client_config.foreground = 1; break; @@ -310,6 +321,16 @@ int main(int argc, char *argv[]) memcpy(client_config.clientid + 3, client_config.arp, 6); } + if (!client_config.vendorclass) { + client_config.vendorclass = xmalloc(sizeof("udhcp "VERSION) + 2); + client_config.vendorclass[OPT_CODE] = DHCP_VENDOR; + client_config.vendorclass[OPT_LEN] = sizeof("udhcp "VERSION) - 1; + client_config.vendorclass[OPT_DATA] = 1; + memcpy(&client_config.vendorclass[OPT_DATA], + "udhcp "VERSION, sizeof("udhcp "VERSION) - 1); + } + + /* setup the signal pipe */ udhcp_sp_setup(); diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h index 77c1809..4cc1c4c 100644 --- a/networking/udhcp/dhcpc.h +++ b/networking/udhcp/dhcpc.h @@ -26,6 +26,7 @@ struct client_config_t { char *pidfile; /* Optionally store the process ID */ char *script; /* User script to run at dhcp events */ uint8_t *clientid; /* Optional client id to use */ + uint8_t *vendorclass; /* Optional vendor class-id to use */ uint8_t *hostname; /* Optional hostname to use */ uint8_t *fqdn; /* Optional fully qualified domain name to use */ int ifindex; /* Index number of the interface to use */ |