diff options
Diffstat (limited to 'networking/udhcp/dhcpd.c')
| -rw-r--r-- | networking/udhcp/dhcpd.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c index 8c944f2..6f38f07 100644 --- a/networking/udhcp/dhcpd.c +++ b/networking/udhcp/dhcpd.c @@ -51,12 +51,12 @@ struct dhcpOfferedAddr *leases; struct server_config_t server_config; -#ifdef COMBINED_BINARY +#ifdef COMBINED_BINARY int udhcpd_main(int argc, char *argv[]) #else int main(int argc, char *argv[]) #endif -{ +{ fd_set rfds; struct timeval tv; int server_socket = -1; @@ -70,7 +70,7 @@ int main(int argc, char *argv[]) struct dhcpOfferedAddr *lease; int max_sock; unsigned long num_ips; - + memset(&server_config, 0, sizeof(struct server_config_t)); read_config(argc < 2 ? DHCPD_CONF_FILE : argv[1]); @@ -82,7 +82,7 @@ int main(int argc, char *argv[]) server_config.lease = ntohl(server_config.lease); } else server_config.lease = LEASE_TIME; - + /* Sanity check */ num_ips = ntohl(server_config.end) - ntohl(server_config.start); if (server_config.max_leases > num_ips) { @@ -113,7 +113,7 @@ int main(int argc, char *argv[]) if ((server_socket = listen_socket(INADDR_ANY, SERVER_PORT, server_config.interface)) < 0) { LOG(LOG_ERR, "FATAL: couldn't create server socket, %m"); return 2; - } + } max_sock = udhcp_sp_fd_set(&rfds, server_socket); if (server_config.auto_time) { @@ -121,7 +121,7 @@ int main(int argc, char *argv[]) tv.tv_usec = 0; } if (!server_config.auto_time || tv.tv_sec > 0) { - retval = select(max_sock + 1, &rfds, NULL, NULL, + retval = select(max_sock + 1, &rfds, NULL, NULL, server_config.auto_time ? &tv : NULL); } else retval = 0; /* If we already timed out, fall through */ @@ -133,7 +133,7 @@ int main(int argc, char *argv[]) DEBUG(LOG_INFO, "error on select"); continue; } - + switch (udhcp_sp_read(&rfds)) { case SIGUSR1: LOG(LOG_INFO, "Received a SIGUSR1"); @@ -161,17 +161,17 @@ int main(int argc, char *argv[]) DEBUG(LOG_ERR, "couldn't get option from packet, ignoring"); continue; } - + /* ADDME: look for a static lease */ lease = find_lease_by_chaddr(packet.chaddr); switch (state[0]) { case DHCPDISCOVER: DEBUG(LOG_INFO,"received DISCOVER"); - + if (sendOffer(&packet) < 0) { LOG(LOG_ERR, "send OFFER failed"); } - break; + break; case DHCPREQUEST: DEBUG(LOG_INFO, "received REQUEST"); @@ -180,12 +180,12 @@ int main(int argc, char *argv[]) if (requested) memcpy(&requested_align, requested, 4); if (server_id) memcpy(&server_id_align, server_id, 4); - + if (lease) { /*ADDME: or static lease */ if (server_id) { /* SELECTING State */ DEBUG(LOG_INFO, "server_id = %08x", ntohl(server_id_align)); - if (server_id_align == server_config.server && requested && + if (server_id_align == server_config.server && requested && requested_align == lease->yiaddr) { sendACK(&packet, lease->yiaddr); } @@ -203,9 +203,9 @@ int main(int argc, char *argv[]) /* don't know what to do!!!! */ sendNAK(&packet); } - } + } } - + /* what to do if we have no record of the client */ } else if (server_id) { /* SELECTING State */ @@ -218,7 +218,7 @@ int main(int argc, char *argv[]) memset(lease->chaddr, 0, 16); /* make some contention for this address */ } else sendNAK(&packet); - } else if (requested_align < server_config.start || + } else if (requested_align < server_config.start || requested_align > server_config.end) { sendNAK(&packet); } /* else remain silent */ @@ -232,7 +232,7 @@ int main(int argc, char *argv[]) if (lease) { memset(lease->chaddr, 0, 16); lease->expires = time(0) + server_config.decline_time; - } + } break; case DHCPRELEASE: DEBUG(LOG_INFO,"received RELEASE"); @@ -241,7 +241,7 @@ int main(int argc, char *argv[]) case DHCPINFORM: DEBUG(LOG_INFO,"received INFORM"); send_inform(&packet); - break; + break; default: LOG(LOG_WARNING, "unsupported DHCP message (%02x) -- ignoring", state[0]); } |