diff options
Diffstat (limited to 'cpukit/libnetworking/rtems/rtems_dhcp.c')
| -rw-r--r-- | cpukit/libnetworking/rtems/rtems_dhcp.c | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/cpukit/libnetworking/rtems/rtems_dhcp.c b/cpukit/libnetworking/rtems/rtems_dhcp.c index 490c11611c..df1acca710 100644 --- a/cpukit/libnetworking/rtems/rtems_dhcp.c +++ b/cpukit/libnetworking/rtems/rtems_dhcp.c @@ -1,5 +1,5 @@ /* - * DCHP client for RTEMS + * DCHP client for RTEMS * Andrew Bythell, <abythell@nortelnetworks.com> * based on and uses subroutines from c/src/libnetworking/nfs/bootp_subr.c */ @@ -166,7 +166,7 @@ struct dhcp_packet unsigned char vend[312]; }; -/* +/* * External Declarations for Functions found in * rtems/c/src/libnetworking/nfs/ */ @@ -236,11 +236,11 @@ printsetup (const char *iface, char ip_str[15]; printf ("dhcpc: %s: ", iface); - + ip = ntohl (ip_addr.s_addr); format_ip (ip, ip_str); printf ("inet: %-15s ", ip_str); - + ip = ntohl (mask_addr.s_addr); format_ip (ip, ip_str); printf ("mask: %-15s\n", ip_str); @@ -248,11 +248,11 @@ printsetup (const char *iface, ip = ntohl (srv_addr.s_addr); format_ip (ip, ip_str); printf (" srv: %-15s ", ip_str); - + ip = ntohl (gw_addr.s_addr); format_ip (ip, ip_str); printf (" gw: %-15s\n", ip_str); - + return; } @@ -283,13 +283,13 @@ process_options (unsigned char *optbuf, int optbufSize) } len = optbuf[j + 1]; j += 2; - + if ((len + j) >= optbufSize) { printf ("Truncated field for code %d", code); return; } - + ncode = optbuf[j + len]; optbuf[j + len] = '\0'; p = (char*) &optbuf[j]; @@ -420,7 +420,7 @@ process_options (unsigned char *optbuf, int optbufSize) /* DHCP Requested IP Address */ if (len != 4) printf ("dhcpc: DHCP option requested IP len is %d", len); - /* + /* * although nothing happens here, this case keeps the client * from complaining about unknown options. The Requested IP * is necessary to return to the server for a DHCP REQUEST @@ -436,7 +436,7 @@ process_options (unsigned char *optbuf, int optbufSize) memcpy (&dhcp_lease_time, &p[0], 4); dhcp_lease_time = ntohl (dhcp_lease_time); break; - + case 52: /* DHCP option override */ if (len != 1) { @@ -455,7 +455,7 @@ process_options (unsigned char *optbuf, int optbufSize) dhcp_message_type = p[0]; break; - case 128: /* Site-specific option for DHCP servers that + case 128: /* Site-specific option for DHCP servers that * a) don't supply tag 54 * and * b) don't supply the server address in siaddr @@ -501,7 +501,7 @@ dhcp_discover_req (struct dhcp_packet* call, unsigned long *xid) { int len = 0; - + memset (call, 0, sizeof (struct dhcp_packet)); /* @@ -514,7 +514,7 @@ dhcp_discover_req (struct dhcp_packet* call, (*xid)++; call->xid = htonl (*xid); call->flags = htons (DHCP_BROADCAST); - + memcpy (&call->chaddr, LLADDR (sdl), sdl->sdl_alen); /* @@ -567,7 +567,7 @@ dhcp_request_req (struct dhcp_packet* call, int len = 0; unsigned long temp; char *hostname; - + memset (call, 0, sizeof (struct dhcp_packet)); /* @@ -619,7 +619,7 @@ dhcp_request_req (struct dhcp_packet* call, call->vend[len++] = sizeof (reply->yiaddr); memcpy (&call->vend[len], &reply->yiaddr, sizeof (reply->yiaddr)); len += sizeof (reply->yiaddr); - + /* * DHCP Parameter request list */ @@ -690,12 +690,12 @@ dhcp_task (rtems_task_argument _sdl) struct proc *procp = NULL; int disconnected; rtems_status_code ev_st; - + sdl = (struct sockaddr_dl *) _sdl; - + count = dhcp_elapsed_time; disconnected = 0; - + while (true) { /* @@ -709,7 +709,7 @@ dhcp_task (rtems_task_argument _sdl) /* * Check if not a poll timeout. So when ANY event received, exit task. * Actually, only event RTEMS_EVENT_0 sent from rtem_dhcp_failsafe.c - * if "failsafe" dhcp enabled when interface down. Otherwise, no + * if "failsafe" dhcp enabled when interface down. Otherwise, no * event should occur, just timeout. */ if(ev_st != RTEMS_TIMEOUT) @@ -720,7 +720,7 @@ dhcp_task (rtems_task_argument _sdl) if (count >= (dhcp_lease_time / 2)) { rtems_bsdnet_semaphore_obtain (); - + dhcp_request_req (&call, &dhcp_req, sdl, true); /* @@ -744,18 +744,18 @@ dhcp_task (rtems_task_argument _sdl) printf ("DHCP server did not send Magic Cookie.\n"); continue; } - + process_options (&dhcp_req.vend[4], sizeof (dhcp_req.vend) - 4); - + if (dhcp_message_type != DHCP_ACK) { rtems_bsdnet_semaphore_release (); printf ("DHCP server did not accept the DHCP request"); continue; } - + rtems_bsdnet_semaphore_release (); - + count = 0; } } @@ -776,7 +776,7 @@ dhcp_start_task (struct sockaddr_dl *sdl, int priority) { rtems_status_code sc; - + memcpy (&dhcp_req, reply, sizeof (struct dhcp_packet)); sc = rtems_task_create (rtems_build_name ('d','h','c','p'), @@ -810,14 +810,14 @@ dhcp_interface_has_ip (struct ifreq *ireq, struct socket *so, struct proc *procp { struct sockaddr_in* sin; int error; - + /* * Check if the interface is already up. */ error = ifioctl(so, SIOCGIFFLAGS, (caddr_t)ireq, procp); if (error) return 0; - + if ((ireq->ifr_flags & IFF_UP) == 0) return 0; @@ -836,7 +836,7 @@ dhcp_interface_has_ip (struct ifreq *ireq, struct socket *so, struct proc *procp } /* - * DCHP Client Routine + * DCHP Client Routine * - The first DHCP offer is always accepted * - No DHCP DECLINE message is sent if ARPing fails * @@ -869,7 +869,7 @@ dhcp_init (int update_files) printf("Error creating the root filesystem.\nFile not created.\n"); update_files = 0; } - + /* * Find a network interface. */ @@ -938,7 +938,7 @@ dhcp_init (int update_files) } process_options (&reply.vend[4], sizeof (reply.vend) - 4); - + if (dhcp_message_type != DHCP_OFFER) { printf ("DHCP server did not send a DHCP Offer.\n"); soclose (so); @@ -946,10 +946,10 @@ dhcp_init (int update_files) } /* - * Send a DHCP REQUEST + * Send a DHCP REQUEST */ dhcp_request_req (&call, &reply, sdl, true); - + error = bootpc_call (&call, &reply, procp); if (error) { printf ("BOOTP call failed -- %s\n", strerror(error)); @@ -965,9 +965,9 @@ dhcp_init (int update_files) soclose (so); return -1; } - + process_options (&reply.vend[4], sizeof (reply.vend) - 4); - + if (dhcp_message_type != DHCP_ACK) { printf ("DHCP server did not accept the DHCP request\n"); soclose (so); @@ -997,13 +997,13 @@ dhcp_init (int update_files) */ if (memcmp (&reply.vend[0], dhcp_magic_cookie, sizeof (dhcp_magic_cookie)) == 0) process_options (&reply.vend[4], sizeof (reply.vend) - 4); - + if (dhcp_option_overload & 1) process_options ((unsigned char*) reply.file, sizeof reply.file); else if (reply.file[0]) rtems_bsdnet_bootp_boot_file_name = strdup (reply.file); - + if (dhcp_option_overload & 2) process_options ((unsigned char*) reply.sname, sizeof reply.sname); else @@ -1022,13 +1022,13 @@ dhcp_init (int update_files) else dhcp_netmask.sin_addr.s_addr = htonl (IN_CLASSC_NET); } - + if (!dhcp_gotserver) rtems_bsdnet_bootp_server_address = reply.siaddr; - + if (!dhcp_gotgw) dhcp_gw.sin_addr = reply.giaddr; - + if (!dhcp_gotlogserver) rtems_bsdnet_log_host_address = rtems_bsdnet_bootp_server_address; @@ -1076,9 +1076,9 @@ dhcp_init (int update_files) const char *bufl[1]; bufl[0] = buf; - + #define MKFILE_MODE (S_IRUSR | S_IWUSR | S_IWGRP | S_IRGRP | S_IROTH) - + if (rtems_bsdnet_domain_name && (strlen(rtems_bsdnet_domain_name) < (sizeof(buf) - 1))) { strcpy(buf, "search "); @@ -1096,7 +1096,7 @@ dhcp_init (int update_files) } } } - + /* * Configure the interface with the new settings */ @@ -1108,7 +1108,7 @@ dhcp_init (int update_files) */ if (dhcp_lease_time != 0xffffffff) dhcp_start_task (sdl, &reply, 150); - + soclose (so); return 0; @@ -1171,7 +1171,7 @@ rtems_bsdnet_do_dhcp_refresh_only (unsigned long xid, */ if (lease_time == 0xffffffff) return; - + /* * Find a network interface. */ @@ -1199,7 +1199,7 @@ rtems_bsdnet_do_dhcp_refresh_only (unsigned long xid, (sdl = ((struct sockaddr_dl *) ifa->ifa_addr)) && sdl->sdl_type == IFT_ETHER) break; - + if (!match) { printf ("dhcpc: no matching interface address\n"); return; @@ -1220,7 +1220,7 @@ rtems_bsdnet_do_dhcp_refresh_only (unsigned long xid, dhcp_lease_time = lease_time; dhcp_elapsed_time = elapsed_time; - + if (hostname) { sethostname ((char *) hostname, strlen (hostname)); |