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| author | Paul Fox <pgf@brightstareng.com> | 2005-09-22 18:59:13 +0000 |
|---|---|---|
| committer | Paul Fox <pgf@brightstareng.com> | 2005-09-22 18:59:13 +0000 |
| commit | 28de951b022d39516de271ce0ba53560aa3c5555 (patch) | |
| tree | f5924f07643c8712acb65115bd50a7aa9ddb3603 /networking/udhcp/dhcpc.c | |
| parent | 2f9c30a2d567ba7bdb6351e0167eb0b59735b898 (diff) | |
| download | busybox-28de951b022d39516de271ce0ba53560aa3c5555.tar.gz | |
add support for setting the dhcp vendor class option (option 60).
udhcpc now has a -V (--vendorclass), which will replace the default
"udhcpRELEASE" string in this option.
Diffstat (limited to 'networking/udhcp/dhcpc.c')
| -rw-r--r-- | networking/udhcp/dhcpc.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 35ae757e7..48923f697 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(); |