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772db4bb | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2004 - 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | pxe_bc_dhcp.c\r | |
14 | \r | |
15 | Abstract:\r | |
16 | DHCP and PXE discovery protocol implementations.\r | |
17 | \r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
21 | #include "Bc.h"\r | |
22 | \r | |
23 | #include "PxeArch.h"\r | |
24 | \r | |
25 | STATIC EFI_PXE_BASE_CODE_UDP_PORT DhcpServerPort = DHCP_SERVER_PORT;\r | |
26 | STATIC EFI_PXE_BASE_CODE_UDP_PORT DHCPClientPort = DHCP_CLIENT_PORT;\r | |
27 | STATIC EFI_PXE_BASE_CODE_UDP_PORT PseudoDhcpServerPort = PXE_DISCOVERY_PORT;\r | |
28 | #define PSEUDO_DHCP_CLIENT_PORT PseudoDhcpServerPort\r | |
84b5c78e | 29 | STATIC EFI_IP_ADDRESS BroadcastIP = {{0xffffffff}};\r |
30 | STATIC EFI_IP_ADDRESS DefaultSubnetMask = {{0xffffff00}};\r | |
772db4bb | 31 | \r |
32 | typedef union {\r | |
33 | DHCPV4_OP_STRUCT *OpPtr;\r | |
34 | PXE_OP_SERVER_LIST *BootServersStr;\r | |
35 | PXE_SERVER_LIST *BootServerList;\r | |
36 | PXE_BOOT_MENU_ENTRY *BootMenuItem;\r | |
37 | PXE_OP_DISCOVERY_CONTROL *DiscoveryControl;\r | |
38 | PXE_OP_BOOT_MENU *BootMenu;\r | |
39 | PXE_OP_BOOT_ITEM *BootItem;\r | |
40 | DHCPV4_OP_VENDOR_OPTIONS *VendorOptions;\r | |
41 | DHCPV4_OP_OVERLOAD *Overload;\r | |
42 | DHCPV4_OP_CLASS *PxeClassStr;\r | |
43 | DHCPV4_OP_SUBNET_MASK *SubnetMaskStr;\r | |
44 | DHCPV4_OP_MESSAGE_TYPE *MessageType;\r | |
45 | UINT8 *BytePtr;\r | |
46 | } UNION_PTR;\r | |
47 | \r | |
48 | #pragma pack(1)\r | |
49 | //\r | |
50 | // option structure for DHCPREQUEST at end of DISCOVER options\r | |
51 | // and for DHCPDECLINE\r | |
52 | //\r | |
53 | STATIC const struct requestopendstr {\r | |
54 | DHCPV4_OP_REQUESTED_IP OpReqIP;\r | |
55 | DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r | |
56 | UINT8 End[1];\r | |
57 | }\r | |
58 | RequestOpEndStr = {\r | |
59 | {\r | |
60 | {\r | |
61 | OP_DHCP_REQ_IP_ADD,\r | |
62 | DHCPV4_OPTION_LENGTH(DHCPV4_OP_REQUESTED_IP)\r | |
63 | }\r | |
64 | },\r | |
65 | {\r | |
66 | {\r | |
67 | OP_DHCP_SERVER_IP,\r | |
68 | DHCPV4_OPTION_LENGTH(DHCPV4_OP_SERVER_IP)\r | |
69 | }\r | |
70 | },\r | |
71 | {\r | |
72 | OP_END\r | |
73 | }\r | |
74 | };\r | |
75 | \r | |
76 | #define DHCP_REQ_OPTIONS (*(struct requestopendstr *) DHCPV4_OPTIONS_BUFFER.End)\r | |
77 | \r | |
78 | PXE_OP_BOOT_ITEM DefaultBootItem = {\r | |
79 | {\r | |
80 | VEND_PXE_BOOT_ITEM,\r | |
81 | DHCPV4_OPTION_LENGTH(PXE_OP_BOOT_ITEM)\r | |
82 | },\r | |
83 | 0,\r | |
84 | 0\r | |
85 | };\r | |
86 | \r | |
87 | //\r | |
88 | // PXE discovery control default structure\r | |
89 | //\r | |
90 | STATIC PXE_OP_DISCOVERY_CONTROL DefaultDisCtl = {\r | |
91 | { VEND_PXE_DISCOVERY_CONTROL, DHCPV4_OPTION_LENGTH(PXE_OP_DISCOVERY_CONTROL) },\r | |
92 | 0\r | |
93 | };\r | |
94 | \r | |
95 | //\r | |
96 | // PXE credentials option structure\r | |
97 | //\r | |
98 | typedef struct {\r | |
99 | UINT8 c[4];\r | |
100 | } PXE_CREDENTIAL;\r | |
101 | \r | |
102 | typedef struct {\r | |
103 | DHCPV4_OP_HEADER Header;\r | |
104 | PXE_CREDENTIAL Credentials[1];\r | |
105 | } PXE_OP_CREDENTIAL_TYPES;\r | |
106 | \r | |
107 | //\r | |
108 | // option structure for PXE discover (without credentials)\r | |
109 | //\r | |
110 | typedef struct { // discoveropendstr {\r | |
111 | DHCPV4_OP_HEADER Header; // vendor options\r | |
112 | PXE_OP_BOOT_ITEM BootItem;\r | |
113 | UINT8 End[1]; // if credentials option, it starts here\r | |
114 | } PXE_DISCOVER_OPTIONS;\r | |
115 | \r | |
116 | #define DISCOVERoptions (*(PXE_DISCOVER_OPTIONS *) DHCPV4_OPTIONS_BUFFER.End)\r | |
117 | #define DISCREDoptions (*(PXE_OP_CREDENTIAL_TYPES *) DISCOVERoptions.End)\r | |
118 | \r | |
119 | //\r | |
120 | // common option beginning for all our DHCP messages except\r | |
121 | // DHCPDECLINE and DHCPRELEASE\r | |
122 | //\r | |
123 | STATIC struct optionsstr {\r | |
124 | UINT8 DhcpCookie[4];\r | |
125 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
126 | DHCPV4_OP_MAX_MESSAGE_SIZE DhcpMaxMessageSize;\r | |
127 | DHCPV4_OP_REQUESTED_OPTIONS DhcpRequestedOptions;\r | |
128 | DHCPV4_OP_PLATFORM_ID DhcpPlatformId;\r | |
129 | DHCPV4_OP_NETWORK_INTERFACE DhcpNetworkInterface;\r | |
130 | DHCPV4_OP_ARCHITECTURE_TYPE DhcpClientArchitecture;\r | |
131 | DHCPV4_OP_CLASS_ID DhcpClassIdentifier;\r | |
132 | UINT8 End[1];\r | |
133 | } DHCPOpStart;\r | |
134 | \r | |
135 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
136 | VOID\r | |
137 | OptionsStrucInit (\r | |
138 | VOID\r | |
139 | )\r | |
140 | {\r | |
141 | DHCPOpStart.DhcpCookie[0] = 99;\r | |
142 | DHCPOpStart.DhcpCookie[1] = 130;\r | |
143 | DHCPOpStart.DhcpCookie[2] = 83;\r | |
144 | DHCPOpStart.DhcpCookie[3] = 99;\r | |
145 | DHCPOpStart.DhcpMessageType.Header.OpCode = OP_DHCP_MESSAGE_TYPE;\r | |
146 | DHCPOpStart.DhcpMessageType.Header.Length = 1;\r | |
147 | DHCPOpStart.DhcpMessageType.Type = DHCPDISCOVER;\r | |
148 | DHCPOpStart.DhcpMaxMessageSize.Header.OpCode = OP_DHCP_MAX_MESSAGE_SZ;\r | |
149 | DHCPOpStart.DhcpMaxMessageSize.Header.Length = 2;\r | |
150 | DHCPOpStart.DhcpMaxMessageSize.MaxSize[0] = MAX_DHCP_MSG_SZ >> 8;\r | |
151 | DHCPOpStart.DhcpMaxMessageSize.MaxSize[1] = MAX_DHCP_MSG_SZ & 0xff;\r | |
152 | DHCPOpStart.DhcpRequestedOptions.Header.OpCode = OP_DHCP_PARM_REQ_LIST;\r | |
153 | DHCPOpStart.DhcpRequestedOptions.Header.Length = sizeof (DHCPV4_REQUESTED_OPTIONS_DATA);\r | |
154 | DHCPOpStart.DhcpRequestedOptions.Data._OP_SUBNET_MASK = OP_SUBNET_MASK; /* 1 */\r | |
155 | DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_OFFSET = OP_TIME_OFFSET; /* 2 */\r | |
156 | DHCPOpStart.DhcpRequestedOptions.Data._OP_ROUTER_LIST = OP_ROUTER_LIST; /* 3 */\r | |
157 | DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_SERVERS = OP_TIME_SERVERS; /* 4 */\r | |
158 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NAME_SERVERS = OP_NAME_SERVERS; /* 5 */\r | |
159 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DNS_SERVERS = OP_DNS_SERVERS; /* 6 */\r | |
160 | DHCPOpStart.DhcpRequestedOptions.Data._OP_HOST_NAME = OP_HOST_NAME; /* 12 */\r | |
161 | DHCPOpStart.DhcpRequestedOptions.Data._OP_BOOT_FILE_SZ = OP_BOOT_FILE_SZ; /* 13 */\r | |
162 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DOMAIN_NAME = OP_DOMAIN_NAME; /* 15 */\r | |
163 | DHCPOpStart.DhcpRequestedOptions.Data._OP_ROOT_PATH = OP_ROOT_PATH; /* 17 */\r | |
164 | DHCPOpStart.DhcpRequestedOptions.Data._OP_EXTENSION_PATH = OP_EXTENSION_PATH; /* 18 */\r | |
165 | DHCPOpStart.DhcpRequestedOptions.Data._OP_MAX_DATAGRAM_SZ = OP_MAX_DATAGRAM_SZ; /* 22 */\r | |
166 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DEFAULT_TTL = OP_DEFAULT_TTL; /* 23 */\r | |
167 | DHCPOpStart.DhcpRequestedOptions.Data._OP_BROADCAST_ADD = OP_BROADCAST_ADD; /* 28 */\r | |
168 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_DOMAIN_NAME = OP_NIS_DOMAIN_NAME; /* 40 */\r | |
169 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_SERVERS = OP_NIS_SERVERS; /* 41 */\r | |
170 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NTP_SERVERS = OP_NTP_SERVERS; /* 42 */\r | |
171 | DHCPOpStart.DhcpRequestedOptions.Data._OP_VENDOR_SPECIFIC = OP_VENDOR_SPECIFIC; /* 43 */\r | |
172 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REQ_IP_ADD = OP_DHCP_REQ_IP_ADD; /* 50 */\r | |
173 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_LEASE_TIME = OP_DHCP_LEASE_TIME; /* 51 */\r | |
174 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_SERVER_IP = OP_DHCP_SERVER_IP; /* 54 */\r | |
175 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_RENEWAL_TIME = OP_DHCP_RENEWAL_TIME; /* 58 */\r | |
176 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REBINDING_TIME = OP_DHCP_REBINDING_TIME; /* 59 */\r | |
177 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_CLASS_IDENTIFIER = OP_DHCP_CLASS_IDENTIFIER; /* 60 */\r | |
178 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_TFTP_SERVER_NAME = OP_DHCP_TFTP_SERVER_NAME; /* 66 */\r | |
179 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_BOOTFILE = OP_DHCP_BOOTFILE; /* 67 */\r | |
180 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_PLATFORM_ID = OP_DHCP_PLATFORM_ID; /* 97 */\r | |
181 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption128 = 128;\r | |
182 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption129 = 129;\r | |
183 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption130 = 130;\r | |
184 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption131 = 131;\r | |
185 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption132 = 132;\r | |
186 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption133 = 133, DHCPOpStart.DhcpRequestedOptions.Data.VendorOption134 = 134;\r | |
187 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption135 = 135;\r | |
188 | DHCPOpStart.DhcpPlatformId.Header.OpCode = OP_DHCP_PLATFORM_ID;\r | |
189 | DHCPOpStart.DhcpPlatformId.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_PLATFORM_ID);\r | |
190 | DHCPOpStart.DhcpNetworkInterface.Header.OpCode = OP_DHCP_NETWORK_ARCH;\r | |
191 | DHCPOpStart.DhcpNetworkInterface.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_NETWORK_INTERFACE);\r | |
192 | DHCPOpStart.DhcpNetworkInterface.Type = 0;\r | |
193 | DHCPOpStart.DhcpNetworkInterface.MajorVersion = 0;\r | |
194 | DHCPOpStart.DhcpNetworkInterface.MinorVersion = 0;\r | |
195 | DHCPOpStart.DhcpClientArchitecture.Header.OpCode = OP_DHCP_SYSTEM_ARCH;\r | |
196 | DHCPOpStart.DhcpClientArchitecture.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_ARCHITECTURE_TYPE);\r | |
197 | DHCPOpStart.DhcpClientArchitecture.Type = HTONS (SYS_ARCH);\r | |
198 | DHCPOpStart.DhcpClassIdentifier.Header.OpCode = OP_DHCP_CLASS_IDENTIFIER;\r | |
199 | DHCPOpStart.DhcpClassIdentifier.Header.Length = sizeof (DHCPV4_CLASS_ID_DATA);\r | |
200 | CopyMem (\r | |
201 | DHCPOpStart.DhcpClassIdentifier.Data.ClassIdentifier,\r | |
202 | "PXEClient:",\r | |
203 | sizeof ("PXEClient:")\r | |
204 | );\r | |
205 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit2, "Arch:", sizeof ("Arch:"));\r | |
206 | CopyMem (\r | |
207 | DHCPOpStart.DhcpClassIdentifier.Data.ArchitectureType,\r | |
208 | "xxxxx",\r | |
209 | sizeof ("xxxxx")\r | |
210 | );\r | |
211 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit3, ":", sizeof (":"));\r | |
212 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.InterfaceName, "XXXX", sizeof ("XXXX"));\r | |
213 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit4, ":", sizeof (":"));\r | |
214 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMajor, "yyy", sizeof ("yyy"));\r | |
215 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMinor, "xxx", sizeof ("xxx"));\r | |
216 | DHCPOpStart.End[0] = OP_END;\r | |
687a2e5f | 217 | }\r |
772db4bb | 218 | \r |
219 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
220 | \r | |
221 | //\r | |
222 | // DHCPDECLINE option structure\r | |
223 | //\r | |
224 | struct opdeclinestr {\r | |
225 | UINT8 DhcpCookie[4];\r | |
226 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
227 | struct requestopendstr OpDeclineEnd;\r | |
228 | };\r | |
229 | \r | |
230 | #define DHCPDECLINEoptions (*(struct opdeclinestr *) DHCPV4_TRANSMIT_BUFFER.options)\r | |
231 | \r | |
232 | //\r | |
233 | // DHCPRELEASE option structure\r | |
234 | //\r | |
235 | struct opreleasestr {\r | |
236 | UINT8 DhcpCookie[4];\r | |
237 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
238 | DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r | |
239 | UINT8 End[1];\r | |
240 | };\r | |
241 | \r | |
242 | #define DHCPRELEASEoptions (*(struct opreleasestr *) DHCPV4_TRANSMIT_BUFFER.options)\r | |
243 | \r | |
244 | //\r | |
245 | // array of PXE vendor options in which we are interested\r | |
246 | // value 0 -> not of interest, else value is index into PXE OPTION array\r | |
247 | // option values from 1 to MAX_OUR_PXE_OPT\r | |
248 | //\r | |
249 | STATIC UINT8 ourPXEopts[MAX_OUR_PXE_OPT] = {\r | |
250 | VEND_PXE_MTFTP_IP_IX, // multicast IP address of bootfile for MTFTP listen\r | |
251 | VEND_PXE_MTFTP_CPORT_IX, // UDP Port to monitor for MTFTP responses - Intel order\r | |
252 | VEND_PXE_MTFTP_SPORT_IX, // Server UDP Port for MTFTP open - Intel order\r | |
253 | VEND_PXE_MTFTP_TMOUT_IX, // Listen timeout - secs\r | |
254 | VEND_PXE_MTFTP_DELAY_IX, // Transmission timeout - secs\r | |
255 | VEND_PXE_DISCOVERY_CONTROL_IX, // bit field\r | |
256 | VEND_PXE_DISCOVERY_MCAST_ADDR_IX, // boot server discovery multicast address\r | |
257 | VEND_PXE_BOOT_SERVERS_IX, // list of boot servers of form tp(2) cnt(1) ips[cnt]\r | |
258 | VEND_PXE_BOOT_MENU_IX,\r | |
259 | VEND_PXE_BOOT_PROMPT_IX,\r | |
260 | VEND_PXE_MCAST_ADDRS_ALLOC_IX, // not used by client\r | |
261 | VEND_PXE_CREDENTIAL_TYPES_IX,\r | |
262 | VEND_13_IX, // not used by client\r | |
263 | VEND_14_IX, // not used by client\r | |
264 | VEND_15_IX, // not used by client\r | |
265 | VEND_16_IX, // not used by client\r | |
266 | VEND_17_IX, // not used by client\r | |
267 | VEND_18_IX, // not used by client\r | |
268 | VEND_19_IX, // not used by client\r | |
269 | VEND_20_IX, // not used by client\r | |
270 | VEND_21_IX, // not used by client\r | |
271 | VEND_22_IX, // not used by client\r | |
272 | VEND_23_IX, // not used by client\r | |
273 | VEND_24_IX, // not used by client\r | |
274 | VEND_25_IX, // not used by client\r | |
275 | VEND_26_IX, // not used by client\r | |
276 | VEND_27_IX, // not used by client\r | |
277 | VEND_28_IX, // not used by client\r | |
278 | VEND_29_IX, // not used by client\r | |
279 | VEND_30_IX, // not used by client\r | |
280 | VEND_31_IX, // not used by client\r | |
281 | VEND_32_IX, // not used by client\r | |
282 | VEND_33_IX, // not used by client\r | |
283 | VEND_34_IX, // not used by client\r | |
284 | VEND_35_IX, // not used by client\r | |
285 | VEND_36_IX, // not used by client\r | |
286 | VEND_37_IX, // not used by client\r | |
287 | VEND_38_IX, // not used by client\r | |
288 | VEND_39_IX, // not used by client\r | |
289 | VEND_40_IX, // not used by client\r | |
290 | VEND_41_IX, // not used by client\r | |
291 | VEND_42_IX, // not used by client\r | |
292 | VEND_43_IX, // not used by client\r | |
293 | VEND_44_IX, // not used by client\r | |
294 | VEND_45_IX, // not used by client\r | |
295 | VEND_46_IX, // not used by client\r | |
296 | VEND_47_IX, // not used by client\r | |
297 | VEND_48_IX, // not used by client\r | |
298 | VEND_49_IX, // not used by client\r | |
299 | VEND_50_IX, // not used by client\r | |
300 | VEND_51_IX, // not used by client\r | |
301 | VEND_52_IX, // not used by client\r | |
302 | VEND_53_IX, // not used by client\r | |
303 | VEND_54_IX, // not used by client\r | |
304 | VEND_55_IX, // not used by client\r | |
305 | VEND_56_IX, // not used by client\r | |
306 | VEND_57_IX, // not used by client\r | |
307 | VEND_58_IX, // not used by client\r | |
308 | VEND_59_IX, // not used by client\r | |
309 | VEND_60_IX, // not used by client\r | |
310 | VEND_61_IX, // not used by client\r | |
311 | VEND_62_IX, // not used by client\r | |
312 | VEND_63_IX, // not used by client\r | |
313 | VEND_64_IX, // not used by client\r | |
314 | VEND_65_IX, // not used by client\r | |
315 | VEND_66_IX, // not used by client\r | |
316 | VEND_67_IX, // not used by client\r | |
317 | VEND_68_IX, // not used by client\r | |
318 | VEND_69_IX, // not used by client\r | |
319 | VEND_70_IX, // not used by client\r | |
320 | VEND_PXE_BOOT_ITEM_IX\r | |
321 | };\r | |
322 | \r | |
323 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
324 | \r | |
325 | //\r | |
326 | // array of options in which we are interested\r | |
327 | // value 0 -> not of interest, else value is index into OPTION array\r | |
328 | // option values from 1 to MAX_OUR_OPT\r | |
329 | //\r | |
330 | STATIC UINT8 OurDhcpOptions[MAX_OUR_OPT] = {\r | |
331 | OP_SUBNET_MASK_IX, // OP_SUBNET_MASK 1 // data is the subnet mask\r | |
332 | OP_TIME_OFFSET_IX, // OP_TIME_OFFSET 2 // data is the time offset of subnet to UTC in seconds\r | |
333 | OP_ROUTER_LIST_IX, // OP_ROUTER_LIST 3 // list of routers on subnet\r | |
334 | OP_TIME_SERVERS_IX, // OP_TIME_SERVERS 4 // list of time servers available\r | |
335 | OP_NAME_SERVERS_IX, // OP_NAME_SERVERS 5 // list of name servers available\r | |
336 | OP_DNS_SERVERS_IX, // OP_DNS_SERVERS 6 // list of DNS servers available\r | |
337 | OP_LOG_SERVERS_IX, // OP_LOG_SERVERS 7\r | |
338 | OP_COOKIE_SERVERS_IX, // OP_COOKIE_SERVERS 8\r | |
339 | OP_LPR_SREVERS_IX, // OP_LPR_SREVERS 9\r | |
340 | OP_IMPRESS_SERVERS_IX, // OP_IMPRESS_SERVERS 10\r | |
341 | OP_RES_LOC_SERVERS_IX, // OP_RES_LOC_SERVERS 11\r | |
342 | OP_HOST_NAME_IX, // OP_HOST_NAME 12 // client name\r | |
343 | OP_BOOT_FILE_SZ_IX, // OP_BOOT_FILE_SZ 13 // number of 512 blocks of boot file\r | |
344 | OP_DUMP_FILE_IX, // OP_DUMP_FILE 14 // path name of dump file if client crashes\r | |
345 | OP_DOMAIN_NAME_IX, // OP_DOMAIN_NAME 15 // domain name to use\r | |
346 | OP_SWAP_SERVER_IX, // OP_SWAP_SERVER 16\r | |
347 | OP_ROOT_PATH_IX, // OP_ROOT_PATH 17 // path name containing root disk\r | |
348 | OP_EXTENSION_PATH_IX, // OP_EXTENSION_PATH 18 // name of TFTP downloadable file of form of OP\r | |
349 | OP_IP_FORWARDING_IX, // OP_IP_FORWARDING 19 // enable/disable IP packet forwarding\r | |
350 | OP_NON_LOCAL_SRC_RTE_IX, // OP_NON_LOCAL_SRC_RTE 20 // enable/disable non local source routing\r | |
351 | OP_POLICY_FILTER_IX, // OP_POLICY_FILTER 21 // policy filters for non local source routing\r | |
352 | OP_MAX_DATAGRAM_SZ_IX, // OP_MAX_DATAGRAM_SZ 22 // maximum datagram reassembly size\r | |
353 | OP_DEFAULT_TTL_IX, // OP_DEFAULT_TTL 23 // default IP time to live\r | |
354 | OP_MTU_AGING_TIMEOUT_IX, // OP_MTU_AGING_TIMEOUT 24\r | |
355 | OP_MTU_SIZES_IX, // OP_MTU_SIZES 25\r | |
356 | OP_MTU_TO_USE_IX, // OP_MTU_TO_USE 26\r | |
357 | OP_ALL_SUBNETS_LOCAL_IX, // OP_ALL_SUBNETS_LOCAL 27\r | |
358 | OP_BROADCAST_ADD_IX, // OP_BROADCAST_ADD 28 // broadcast address used on subnet\r | |
359 | OP_PERFORM_MASK_DISCOVERY_IX, // OP_PERFORM_MASK_DISCOVERY 29 // perform mask discovery using ICMP\r | |
360 | OP_RESPOND_TO_MASK_REQ_IX, // OP_RESPOND_TO_MASK_REQ 30 // respond to subnet mask requests using ICMP\r | |
361 | OP_PERFORM_ROUTER_DISCOVERY_IX, // OP_PERFORM_ROUTER_DISCOVERY 31\r | |
362 | OP_ROUTER_SOLICIT_ADDRESS_IX, // OP_ROUTER_SOLICIT_ADDRESS 32\r | |
363 | OP_STATIC_ROUTER_LIST_IX, // OP_STATIC_ROUTER_LIST 33 // list of dest/route pairs\r | |
364 | OP_USE_ARP_TRAILERS_IX, // OP_USE_ARP_TRAILERS 34\r | |
365 | OP_ARP_CACHE_TIMEOUT_IX, // OP_ARP_CACHE_TIMEOUT 35\r | |
366 | OP_ETHERNET_ENCAPSULATION_IX, // OP_ETHERNET_ENCAPSULATION 36 // 0 -> RFC 894, 1 -> IEEE 802.3 (RFC 1042)\r | |
367 | OP_TCP_DEFAULT_TTL_IX, // OP_TCP_DEFAULT_TTL 37 // default time to live when sending TCP segments\r | |
368 | OP_TCP_KEEP_ALIVE_INT_IX, // OP_TCP_KEEP_ALIVE_INT 38 // keep alive interval in seconds\r | |
369 | OP_KEEP_ALIVE_GARBAGE_IX, // OP_KEEP_ALIVE_GARBAGE 39\r | |
370 | OP_NIS_DOMAIN_NAME_IX, // OP_NIS_DOMAIN_NAME 40\r | |
371 | OP_NIS_SERVERS_IX, // OP_NIS_SERVERS 41\r | |
372 | OP_NTP_SERVERS_IX, // OP_NTP_SERVERS 42\r | |
373 | OP_VENDOR_SPECIFIC_IX, // OP_VENDOR_SPECIFIC 43\r | |
374 | OP_NBNS_SERVERS_IX, // OP_NBNS_SERVERS 44\r | |
375 | OP_NBDD_SERVERS_IX, // OP_NBDD_SERVERS 45\r | |
376 | OP_NETBIOS_NODE_TYPE_IX, // OP_NETBIOS_NODE_TYPE 46\r | |
377 | OP_NETBIOS_SCOPE_IX, // OP_NETBIOS_SCOPE 47\r | |
378 | OP_XWINDOW_SYSTEM_FONT_SERVERS_IX, // OP_XWINDOW_SYSTEM_FONT_SERVERS 48\r | |
379 | OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS_IX, // OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS 49\r | |
380 | OP_DHCP_REQ_IP_ADD_IX, // OP_DHCP_REQ_IP_ADD 50 // requested IP address - in DHCPDISCOVER\r | |
381 | OP_DHCP_LEASE_TIME_IX, // OP_DHCP_LEASE_TIME 51 // lease time requested/granted\r | |
382 | OP_DHCP_OPTION_OVERLOAD_IX, // OP_DHCP_OPTION_OVERLOAD 52 // file/server name/both used to hold options\r | |
383 | OP_DHCP_MESSAGE_TYPE_IX, // OP_DHCP_MESSAGE_TYPE 53 // message type\r | |
384 | OP_DHCP_SERVER_IP_IX, // OP_DHCP_SERVER_IP 54 // IP of server\r | |
385 | OP_DHCP_PARM_REQ_LIST_IX, // OP_DHCP_PARM_REQ_LIST 55 // list of requested parameters\r | |
386 | OP_DHCP_ERROR_MESSAGE_IX, // OP_DHCP_ERROR_MESSAGE 56 // in DHCPNAK or DECLINE messages\r | |
387 | OP_DHCP_MAX_MESSAGE_SZ_IX, // OP_DHCP_MAX_MESSAGE_SZ 57 // maximum DHCP message size client will accept\r | |
388 | OP_DHCP_RENEWAL_TIME_IX, // OP_DHCP_RENEWAL_TIME 58 // time in seconds before transitioning to RENEWING state\r | |
389 | OP_DHCP_REBINDING_TIME_IX, // OP_DHCP_REBINDING_TIME 59 // time in seconds before transitioning to REBINDING state\r | |
390 | OP_DHCP_CLASS_IDENTIFIER_IX, // OP_DHCP_CLASS_IDENTIFIER 60\r | |
391 | OP_DHCP_CLIENT_IDENTIFIER_IX, // OP_DHCP_CLIENT_IDENTIFIER 61\r | |
392 | OP_RESERVED62_IX, // OP_RESERVED62\r | |
393 | OP_RESERVED63_IX, // OP_RESERVED63\r | |
394 | OP_NISPLUS_DOMAIN_NAME_IX, // OP_NISPLUS_DOMAIN_NAME 64\r | |
395 | OP_NISPLUS_SERVERS_IX, // OP_NISPLUS_SERVERS 65\r | |
396 | OP_DHCP_TFTP_SERVER_NAME_IX, // OP_DHCP_TFTP_SERVER_NAME 66\r | |
397 | OP_DHCP_BOOTFILE_IX // OP_DHCP_BOOTFILE 67\r | |
398 | };\r | |
399 | \r | |
400 | #define RxBuf ((DHCP_RECEIVE_BUFFER *) (Private->ReceiveBuffers))\r | |
401 | \r | |
402 | #pragma pack()\r | |
403 | \r | |
404 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
405 | \r | |
406 | /**\r | |
407 | \r | |
408 | @param Smbios Pointer to SMBIOS structure\r | |
409 | @param StringNumber String number to return. 0 is used to skip all\r | |
410 | strings and point to the next SMBIOS structure.\r | |
411 | \r | |
412 | @return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == 0\r | |
413 | \r | |
414 | **/\r | |
415 | CHAR8 *\r | |
416 | PxeBcLibGetSmbiosString (\r | |
417 | IN SMBIOS_STRUCTURE_POINTER *Smbios,\r | |
418 | IN UINT16 StringNumber\r | |
419 | )\r | |
420 | {\r | |
421 | UINT16 Index;\r | |
422 | CHAR8 *String;\r | |
423 | \r | |
424 | //\r | |
425 | // Skip over formatted section\r | |
426 | //\r | |
427 | String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);\r | |
428 | \r | |
429 | //\r | |
430 | // Look through unformated section\r | |
431 | //\r | |
432 | for (Index = 1; Index <= StringNumber || StringNumber == 0; Index++) {\r | |
433 | if (StringNumber == Index) {\r | |
434 | return String;\r | |
435 | }\r | |
436 | //\r | |
437 | // Skip string\r | |
438 | //\r | |
439 | for (; *String != 0; String++)\r | |
440 | ;\r | |
441 | String++;\r | |
442 | \r | |
443 | if (*String == 0) {\r | |
444 | //\r | |
445 | // If double NULL then we are done.\r | |
446 | // Return pointer to next structure in Smbios.\r | |
447 | // if you pass in a 0 you will always get here\r | |
448 | //\r | |
449 | Smbios->Raw = (UINT8 *)++String;\r | |
450 | return NULL;\r | |
451 | }\r | |
452 | }\r | |
453 | \r | |
454 | return NULL;\r | |
455 | }\r | |
456 | \r | |
457 | \r | |
458 | /**\r | |
459 | This function gets system guid and serial number from the smbios table\r | |
460 | \r | |
461 | @param SystemGuid The pointer of returned system guid\r | |
462 | @param SystemSerialNumber The pointer of returned system serial number\r | |
463 | \r | |
464 | @retval EFI_SUCCESS Successfully get the system guid and system serial\r | |
465 | number\r | |
466 | @retval EFI_NOT_FOUND Not find the SMBIOS table\r | |
467 | \r | |
468 | **/\r | |
469 | EFI_STATUS\r | |
470 | PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r | |
471 | IN EFI_GUID *SystemGuid,\r | |
472 | OUT CHAR8 **SystemSerialNumber\r | |
473 | )\r | |
474 | {\r | |
475 | EFI_STATUS Status;\r | |
dc361cc5 | 476 | SMBIOS_TABLE_ENTRY_POINT *SmbiosTable;\r |
772db4bb | 477 | SMBIOS_STRUCTURE_POINTER Smbios;\r |
478 | SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r | |
479 | UINT16 Index;\r | |
480 | \r | |
481 | Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r | |
482 | \r | |
483 | if (EFI_ERROR (Status)) {\r | |
484 | return EFI_NOT_FOUND;\r | |
485 | }\r | |
486 | \r | |
dc361cc5 | 487 | Smbios.Hdr = (SMBIOS_STRUCTURE *) (UINTN) SmbiosTable->TableAddress;\r |
772db4bb | 488 | SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r |
489 | \r | |
490 | for (Index = 0; Index < SmbiosTable->TableLength; Index++) {\r | |
491 | if (Smbios.Hdr->Type == 1) {\r | |
492 | if (Smbios.Hdr->Length < 0x19) {\r | |
493 | //\r | |
494 | // Older version did not support Guid and Serial number\r | |
495 | //\r | |
496 | continue;\r | |
497 | }\r | |
498 | //\r | |
499 | // SMBIOS tables are byte packed so we need to do a byte copy to\r | |
500 | // prevend alignment faults on Itanium-based platform.\r | |
501 | //\r | |
502 | CopyMem (SystemGuid, &Smbios.Type1->Uuid, sizeof (EFI_GUID));\r | |
503 | *SystemSerialNumber = PxeBcLibGetSmbiosString (&Smbios, Smbios.Type1->SerialNumber);\r | |
504 | \r | |
505 | return EFI_SUCCESS;\r | |
506 | }\r | |
507 | //\r | |
508 | // Make Smbios point to the next record\r | |
509 | //\r | |
510 | PxeBcLibGetSmbiosString (&Smbios, 0);\r | |
511 | \r | |
512 | if (Smbios.Raw >= SmbiosEnd.Raw) {\r | |
513 | //\r | |
514 | // SMBIOS 2.1 incorrectly stated the length of SmbiosTable as 0x1e.\r | |
515 | // given this we must double check against the lenght of\r | |
516 | // the structure.\r | |
517 | //\r | |
518 | return EFI_SUCCESS;\r | |
519 | }\r | |
520 | }\r | |
521 | \r | |
522 | return EFI_SUCCESS;\r | |
523 | }\r | |
524 | \r | |
525 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
526 | \r | |
527 | //\r | |
528 | // add router list to list\r | |
529 | //\r | |
530 | STATIC\r | |
531 | VOID\r | |
532 | Ip4AddRouterList (\r | |
533 | PXE_BASECODE_DEVICE *Private,\r | |
534 | DHCPV4_OP_IP_LIST *IpListPtr\r | |
535 | )\r | |
536 | {\r | |
537 | EFI_IP_ADDRESS TmpIp;\r | |
538 | INTN Index;\r | |
539 | INTN num;\r | |
540 | \r | |
541 | if (IpListPtr == NULL) {\r | |
542 | return ;\r | |
543 | }\r | |
544 | \r | |
545 | for (Index = 0, num = IpListPtr->Header.Length >> 2; Index < num; ++Index) {\r | |
546 | CopyMem (&TmpIp, &IpListPtr->IpList[Index], 4);\r | |
547 | Ip4AddRouter (Private, &TmpIp);\r | |
548 | }\r | |
549 | }\r | |
550 | \r | |
551 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
552 | \r | |
553 | //\r | |
554 | // send ARP for our IP - fail if someone has it\r | |
555 | //\r | |
556 | STATIC\r | |
557 | BOOLEAN\r | |
558 | SetStationIP (\r | |
559 | PXE_BASECODE_DEVICE *Private\r | |
560 | )\r | |
561 | {\r | |
562 | EFI_MAC_ADDRESS DestMac;\r | |
563 | EFI_STATUS EfiStatus;\r | |
564 | \r | |
565 | ZeroMem (&DestMac, sizeof DestMac);\r | |
566 | \r | |
567 | if (GetHwAddr(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac)\r | |
568 | || DoArp(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac) == EFI_SUCCESS) {\r | |
569 | return FALSE; // somebody else has this IP\r | |
570 | }\r | |
571 | \r | |
572 | CopyMem (\r | |
573 | (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->StationIp,\r | |
574 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
575 | sizeof (EFI_IPv4_ADDRESS)\r | |
576 | );\r | |
577 | \r | |
578 | Private->GoodStationIp = TRUE;\r | |
579 | \r | |
580 | if (!Private->UseIgmpv1Reporting) {\r | |
581 | return TRUE;\r | |
582 | }\r | |
583 | \r | |
584 | if (Private->Igmpv1TimeoutEvent != NULL) {\r | |
585 | return TRUE;\r | |
586 | }\r | |
587 | \r | |
588 | EfiStatus = gBS->CreateEvent (\r | |
589 | EVT_TIMER,\r | |
590 | TPL_CALLBACK,\r | |
591 | NULL,\r | |
592 | NULL,\r | |
593 | &Private->Igmpv1TimeoutEvent\r | |
594 | );\r | |
595 | \r | |
596 | if (EFI_ERROR (EfiStatus)) {\r | |
597 | Private->Igmpv1TimeoutEvent = NULL;\r | |
598 | return TRUE;\r | |
599 | }\r | |
600 | \r | |
601 | EfiStatus = gBS->SetTimer (\r | |
602 | Private->Igmpv1TimeoutEvent,\r | |
603 | TimerRelative,\r | |
604 | (UINT64) V1ROUTER_PRESENT_TIMEOUT * 10000000\r | |
605 | ); /* 400 seconds */\r | |
606 | \r | |
607 | if (EFI_ERROR (EfiStatus)) {\r | |
608 | gBS->CloseEvent (Private->Igmpv1TimeoutEvent);\r | |
609 | Private->Igmpv1TimeoutEvent = NULL;\r | |
610 | }\r | |
611 | \r | |
612 | return TRUE;\r | |
613 | }\r | |
614 | \r | |
615 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
616 | STATIC\r | |
617 | VOID\r | |
618 | AddRouters (\r | |
619 | PXE_BASECODE_DEVICE *Private,\r | |
620 | DHCP_RECEIVE_BUFFER *RxBufPtr\r | |
621 | )\r | |
622 | {\r | |
623 | Ip4AddRouterList (\r | |
624 | Private,\r | |
625 | (DHCPV4_OP_IP_LIST *) RxBufPtr->OpAdds.PktOptAdds[OP_ROUTER_LIST_IX - 1]\r | |
626 | );\r | |
627 | }\r | |
628 | \r | |
629 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
630 | STATIC\r | |
631 | EFI_STATUS\r | |
632 | DoUdpWrite (\r | |
633 | PXE_BASECODE_DEVICE *Private,\r | |
634 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
635 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
636 | EFI_IP_ADDRESS *ClientIpPtr,\r | |
637 | EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr\r | |
638 | )\r | |
639 | {\r | |
640 | UINTN Len;\r | |
641 | \r | |
642 | Len = sizeof DHCPV4_TRANSMIT_BUFFER;\r | |
643 | \r | |
644 | return UdpWrite (\r | |
645 | Private,\r | |
646 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
647 | ServerIpPtr,\r | |
648 | ServerPortPtr,\r | |
649 | 0,\r | |
650 | ClientIpPtr,\r | |
651 | ClientPortPtr,\r | |
652 | 0,\r | |
653 | 0,\r | |
654 | &Len,\r | |
655 | Private->TransmitBuffer\r | |
656 | );\r | |
657 | }\r | |
658 | \r | |
659 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
660 | \r | |
661 | //\r | |
662 | // initialize the DHCP structure\r | |
663 | //\r | |
664 | typedef struct {\r | |
665 | UINT8 x[4];\r | |
666 | } C4Str;\r | |
667 | \r | |
668 | STATIC\r | |
669 | VOID\r | |
670 | InitDhcpv4TxBuf (\r | |
671 | PXE_BASECODE_DEVICE *Private\r | |
672 | )\r | |
673 | {\r | |
674 | UINTN HwAddrLen;\r | |
675 | UINT8 *String;\r | |
676 | CHAR8 *SystemSerialNumber;\r | |
677 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
678 | \r | |
679 | PxebcMode = Private->EfiBc.Mode;\r | |
680 | \r | |
681 | ZeroMem (&DHCPV4_TRANSMIT_BUFFER, sizeof (DHCPV4_STRUCT));\r | |
682 | DHCPV4_TRANSMIT_BUFFER.op = BOOTP_REQUEST;\r | |
683 | DHCPV4_TRANSMIT_BUFFER.htype = Private->SimpleNetwork->Mode->IfType;\r | |
684 | DHCPV4_TRANSMIT_BUFFER.flags = HTONS (DHCP_BROADCAST_FLAG);\r | |
685 | CopyMem (&DHCPV4_OPTIONS_BUFFER, (VOID *) &DHCPOpStart, sizeof (DHCPOpStart));\r | |
686 | \r | |
687 | //\r | |
688 | // default to hardware address\r | |
689 | //\r | |
690 | HwAddrLen = Private->SimpleNetwork->Mode->HwAddressSize;\r | |
691 | \r | |
692 | if (HwAddrLen > sizeof DHCPV4_TRANSMIT_BUFFER.chaddr) {\r | |
693 | HwAddrLen = sizeof DHCPV4_TRANSMIT_BUFFER.chaddr;\r | |
694 | }\r | |
695 | \r | |
696 | String = (UINT8 *) &Private->SimpleNetwork->Mode->CurrentAddress;\r | |
697 | \r | |
698 | if (PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r | |
699 | (EFI_GUID *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid,\r | |
700 | &SystemSerialNumber\r | |
701 | ) == EFI_SUCCESS) {\r | |
702 | if (PxebcMode->SendGUID) {\r | |
703 | HwAddrLen = sizeof (EFI_GUID);\r | |
704 | String = (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid;\r | |
705 | }\r | |
706 | } else {\r | |
707 | //\r | |
708 | // GUID not yet set - send all 0xff's to show programable (via SetVariable)\r | |
709 | // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof(EFI_GUID), 0xff);\r | |
710 | // GUID not yet set - send all 0's to show not programable\r | |
711 | //\r | |
712 | ZeroMem (DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof (EFI_GUID));\r | |
713 | }\r | |
714 | \r | |
715 | DHCPV4_TRANSMIT_BUFFER.hlen = (UINT8) HwAddrLen;\r | |
716 | CopyMem (DHCPV4_TRANSMIT_BUFFER.chaddr, String, HwAddrLen);\r | |
717 | \r | |
718 | CvtNum (\r | |
719 | SYS_ARCH,\r | |
720 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType,\r | |
721 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType\r | |
722 | );\r | |
723 | \r | |
724 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.Type = Private->NiiPtr->Type;\r | |
725 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion = Private->NiiPtr->MajorVer;\r | |
726 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion = Private->NiiPtr->MinorVer;\r | |
727 | \r | |
728 | *(C4Str *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.InterfaceName = *(C4Str *) Private->NiiPtr->StringId;\r | |
729 | \r | |
730 | CvtNum (\r | |
731 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion,\r | |
732 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor,\r | |
733 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor\r | |
734 | );\r | |
735 | \r | |
736 | CvtNum (\r | |
737 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion,\r | |
738 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor,\r | |
739 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor\r | |
740 | );\r | |
741 | }\r | |
742 | \r | |
743 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
744 | STATIC\r | |
745 | UINT32\r | |
746 | DecodePxeOptions (\r | |
747 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
748 | UINT8 *ptr,\r | |
749 | INTN Len\r | |
750 | )\r | |
751 | {\r | |
752 | UINT8 Op;\r | |
753 | UINT8 *EndPtr;\r | |
754 | INTN Index;\r | |
755 | UNION_PTR LocalPtr;\r | |
756 | UINT32 status;\r | |
757 | \r | |
758 | status = 0;\r | |
759 | \r | |
760 | for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r | |
761 | Op = ptr[0];\r | |
762 | Len = ptr[1];\r | |
763 | \r | |
764 | switch (Op) {\r | |
765 | case OP_PAD:\r | |
766 | Len = -1;\r | |
767 | break;\r | |
768 | \r | |
769 | case OP_END:\r | |
770 | return status;\r | |
771 | \r | |
772 | default:\r | |
773 | LocalPtr.BytePtr = ptr;\r | |
774 | if (Op <= MAX_OUR_PXE_OPT) {\r | |
775 | Index = ourPXEopts[Op - 1];\r | |
776 | if (Index) {\r | |
777 | RxBufPtr->OpAdds.PxeOptAdds[Index - 1] = LocalPtr.OpPtr;\r | |
778 | status |= 1 << Index;\r | |
779 | if (Index == VEND_PXE_BOOT_ITEM && LocalPtr.BootItem->Header.Length == 3) {\r | |
780 | RxBufPtr->OpAdds.Status |= USE_THREE_BYTE;\r | |
781 | }\r | |
782 | }\r | |
783 | }\r | |
784 | break;\r | |
785 | }\r | |
786 | }\r | |
787 | \r | |
788 | return status;\r | |
789 | }\r | |
790 | \r | |
791 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
792 | STATIC\r | |
793 | VOID\r | |
794 | DecodeOptions (\r | |
795 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
796 | UINT8 *ptr,\r | |
797 | INTN Len\r | |
798 | )\r | |
799 | {\r | |
800 | UINT8 Op;\r | |
801 | UINT8 *EndPtr;\r | |
802 | INTN Index;\r | |
803 | UNION_PTR LocalPtr;\r | |
804 | \r | |
805 | for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r | |
806 | Op = ptr[0];\r | |
807 | Len = ptr[1];\r | |
808 | \r | |
809 | switch (Op) {\r | |
810 | case OP_PAD:\r | |
811 | Len = -1;\r | |
812 | break;\r | |
813 | \r | |
814 | case OP_END:\r | |
815 | return ;\r | |
816 | \r | |
817 | default:\r | |
818 | LocalPtr.BytePtr = ptr;\r | |
819 | if (Op <= MAX_OUR_OPT) {\r | |
820 | Index = OurDhcpOptions[Op - 1];\r | |
821 | if (Index) {\r | |
822 | RxBufPtr->OpAdds.PktOptAdds[Index - 1] = LocalPtr.OpPtr;\r | |
823 | if (Index == OP_VENDOR_SPECIFIC_IX) {\r | |
824 | UINT32 status;\r | |
825 | status = DecodePxeOptions (\r | |
826 | RxBufPtr,\r | |
827 | (UINT8 *) LocalPtr.VendorOptions->VendorOptions,\r | |
828 | LocalPtr.VendorOptions->Header.Length\r | |
829 | );\r | |
830 | if (status) {\r | |
831 | RxBufPtr->OpAdds.Status |= PXE_TYPE;\r | |
832 | //\r | |
833 | // check for all the MTFTP info options present - any missing is a nogo\r | |
834 | //\r | |
835 | if ((status & WfM11a_OPTS) == WfM11a_OPTS) {\r | |
836 | RxBufPtr->OpAdds.Status |= WfM11a_TYPE;\r | |
837 | }\r | |
838 | \r | |
839 | if (status & DISCOVER_OPTS) {\r | |
840 | RxBufPtr->OpAdds.Status |= DISCOVER_TYPE;\r | |
841 | }\r | |
842 | \r | |
843 | if (status & CREDENTIALS_OPT) {\r | |
844 | RxBufPtr->OpAdds.Status |= CREDENTIALS_TYPE;\r | |
845 | }\r | |
846 | }\r | |
847 | }\r | |
848 | }\r | |
849 | }\r | |
850 | break;\r | |
851 | }\r | |
852 | }\r | |
853 | }\r | |
854 | \r | |
855 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
856 | VOID\r | |
857 | Parse (\r | |
858 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
859 | INTN Len\r | |
860 | )\r | |
861 | {\r | |
862 | UNION_PTR LocalPtr;\r | |
863 | \r | |
864 | //\r | |
865 | // initialize\r | |
866 | //\r | |
867 | SetMem (&RxBufPtr->OpAdds, sizeof RxBufPtr->OpAdds, 0);\r | |
868 | \r | |
869 | DecodeOptions (\r | |
870 | RxBufPtr,\r | |
871 | RxBufPtr->u.Dhcpv4.options + 4,\r | |
872 | Len - (sizeof RxBufPtr->u.Dhcpv4 - sizeof RxBufPtr->u.Dhcpv4.options + 4)\r | |
873 | );\r | |
874 | \r | |
875 | LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_OPTION_OVERLOAD_IX - 1];\r | |
876 | \r | |
877 | if ((LocalPtr.OpPtr) && (LocalPtr.Overload->Overload & OVLD_SRVR_NAME)) {\r | |
878 | DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.sname, sizeof RxBufPtr->u.Dhcpv4.sname);\r | |
879 | }\r | |
880 | \r | |
881 | if (LocalPtr.OpPtr && (LocalPtr.Overload->Overload & OVLD_FILE)) {\r | |
882 | DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.file, sizeof RxBufPtr->u.Dhcpv4.file);\r | |
883 | } else if (!RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && RxBufPtr->u.Dhcpv4.file[0]) {\r | |
884 | RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] = (DHCPV4_OP_STRUCT *) (RxBufPtr->u.Dhcpv4.file - sizeof (DHCPV4_OP_HEADER));\r | |
885 | \r | |
687a2e5f | 886 | RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]->Header.Length = (UINT8) AsciiStrLen ((CHAR8 *) RxBufPtr->u.Dhcpv4.file);\r |
772db4bb | 887 | }\r |
888 | \r | |
889 | LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_CLASS_IDENTIFIER_IX - 1];\r | |
890 | \r | |
891 | if ((LocalPtr.OpPtr) &&\r | |
892 | LocalPtr.PxeClassStr->Header.Length >= 9 &&\r | |
893 | !CompareMem (LocalPtr.PxeClassStr->Class, "PXEClient", 9)\r | |
894 | ) {\r | |
895 | RxBufPtr->OpAdds.Status |= PXE_TYPE;\r | |
896 | }\r | |
897 | }\r | |
898 | \r | |
899 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
900 | STATIC\r | |
901 | VOID\r | |
902 | CopyParseRxBuf (\r | |
903 | PXE_BASECODE_DEVICE *Private,\r | |
904 | INTN RxBufIndex,\r | |
905 | INTN PacketIndex\r | |
906 | )\r | |
907 | {\r | |
908 | DHCP_RECEIVE_BUFFER *RxBufPtr;\r | |
909 | \r | |
910 | RxBufPtr = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[PacketIndex];\r | |
911 | \r | |
912 | CopyMem (\r | |
913 | &RxBufPtr->u.Dhcpv4,\r | |
914 | &RxBuf[RxBufIndex].u.Dhcpv4,\r | |
915 | sizeof (RxBuf[RxBufIndex].u.Dhcpv4)\r | |
916 | );\r | |
917 | \r | |
918 | Parse (RxBufPtr, sizeof RxBufPtr->u.ReceiveBuffer);\r | |
919 | }\r | |
920 | \r | |
921 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
922 | STATIC\r | |
923 | VOID\r | |
924 | CopyProxyRxBuf (\r | |
925 | PXE_BASECODE_DEVICE *Private,\r | |
926 | INTN RxBufIndex\r | |
927 | )\r | |
928 | {\r | |
929 | Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r | |
930 | CopyParseRxBuf (Private, RxBufIndex, PXE_OFFER_INDEX);\r | |
931 | }\r | |
932 | \r | |
933 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
934 | STATIC\r | |
935 | VOID\r | |
936 | CopyParse (\r | |
937 | PXE_BASECODE_DEVICE *Private,\r | |
938 | EFI_PXE_BASE_CODE_PACKET *PacketPtr,\r | |
939 | EFI_PXE_BASE_CODE_PACKET *NewPacketPtr,\r | |
940 | INTN Index\r | |
941 | )\r | |
942 | {\r | |
943 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
944 | \r | |
945 | DhcpRxBuf = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[Index];\r | |
946 | \r | |
947 | CopyMem (\r | |
948 | (EFI_PXE_BASE_CODE_PACKET *) &DhcpRxBuf->u.Dhcpv4,\r | |
949 | NewPacketPtr,\r | |
950 | sizeof (*NewPacketPtr)\r | |
951 | );\r | |
952 | \r | |
953 | CopyMem (&*PacketPtr, &*NewPacketPtr, sizeof (*NewPacketPtr));\r | |
954 | \r | |
955 | Parse (DhcpRxBuf, sizeof DhcpRxBuf->u.ReceiveBuffer);\r | |
956 | }\r | |
957 | \r | |
958 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
959 | BOOLEAN\r | |
960 | AckEdit (\r | |
961 | DHCP_RECEIVE_BUFFER *DhcpRxBuf\r | |
962 | )\r | |
963 | {\r | |
964 | UNION_PTR LocalPtr;\r | |
965 | \r | |
966 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r | |
967 | \r | |
968 | //\r | |
969 | // check that an ACK\r | |
970 | // if a DHCP type, must be DHCPOFFER and must have server id\r | |
971 | //\r | |
972 | return (BOOLEAN)\r | |
973 | (\r | |
974 | (LocalPtr.OpPtr) &&\r | |
975 | (LocalPtr.MessageType->Type == DHCPACK) &&\r | |
976 | DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]\r | |
977 | );\r | |
978 | }\r | |
979 | \r | |
980 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
981 | \r | |
982 | //\r | |
983 | // if a discover type packet, make sure all required fields are present\r | |
984 | //\r | |
985 | BOOLEAN\r | |
986 | DHCPOfferAckEdit (\r | |
987 | DHCP_RECEIVE_BUFFER *DhcpRxBuf\r | |
988 | )\r | |
989 | {\r | |
990 | PXE_OP_SERVER_LIST *BootServerOpPtr;\r | |
991 | UNION_PTR LocalPtr;\r | |
992 | \r | |
993 | if ((DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) == 0) {\r | |
994 | return TRUE;\r | |
995 | }\r | |
996 | \r | |
997 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r | |
998 | \r | |
999 | if (LocalPtr.OpPtr == NULL) {\r | |
1000 | LocalPtr.OpPtr = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r | |
1001 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r | |
1002 | }\r | |
1003 | //\r | |
1004 | // make sure all required fields are here\r | |
1005 | // if mucticast enabled, need multicast address\r | |
1006 | //\r | |
1007 | if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST) &&\r | |
1008 | (!DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1] || !IS_MULTICAST (((DHCPV4_OP_STRUCT *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1])->Data))\r | |
1009 | ) {\r | |
1010 | return FALSE;\r | |
1011 | //\r | |
1012 | // missing required field\r | |
1013 | //\r | |
1014 | }\r | |
1015 | //\r | |
1016 | // if a list, it better be good\r | |
1017 | //\r | |
1018 | BootServerOpPtr = (PXE_OP_SERVER_LIST *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1];\r | |
1019 | \r | |
1020 | if (BootServerOpPtr != NULL) {\r | |
1021 | PXE_SERVER_LIST *BootServerListPtr;\r | |
1022 | INTN ServerListLen;\r | |
1023 | INTN ServerEntryLen;\r | |
1024 | \r | |
1025 | BootServerListPtr = BootServerOpPtr->ServerList;\r | |
1026 | ServerListLen = BootServerOpPtr->Header.Length;\r | |
1027 | \r | |
1028 | do {\r | |
1029 | EFI_IPv4_ADDRESS *IpListPtr;\r | |
1030 | INTN IpCnt;\r | |
1031 | \r | |
1032 | IpCnt = BootServerListPtr->u.Ipv4List.IpCount;\r | |
1033 | \r | |
1034 | ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS);\r | |
1035 | \r | |
1036 | if (ServerListLen < ServerEntryLen) {\r | |
1037 | //\r | |
1038 | // missing required field\r | |
1039 | //\r | |
1040 | return FALSE;\r | |
1041 | }\r | |
1042 | \r | |
1043 | IpListPtr = BootServerListPtr->u.Ipv4List.IpList;\r | |
1044 | \r | |
1045 | while (IpCnt--) {\r | |
1046 | if (IS_MULTICAST (IpListPtr)) {\r | |
1047 | //\r | |
1048 | // missing required field\r | |
1049 | //\r | |
1050 | return FALSE;\r | |
1051 | } else {\r | |
1052 | ++IpListPtr;\r | |
1053 | }\r | |
1054 | }\r | |
1055 | \r | |
1056 | BootServerListPtr = (PXE_SERVER_LIST *) IpListPtr;\r | |
1057 | } while (ServerListLen -= ServerEntryLen);\r | |
1058 | }\r | |
1059 | //\r | |
1060 | // else there must be a list if use list enabled or multicast and\r | |
1061 | // broadcast disabled\r | |
1062 | //\r | |
1063 | else if ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) ||\r | |
1064 | ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r | |
1065 | ) {\r | |
1066 | //\r | |
1067 | // missing required field\r | |
1068 | //\r | |
1069 | return FALSE;\r | |
1070 | }\r | |
1071 | //\r | |
1072 | // if not USE_BOOTFILE or no bootfile given, must have menu stuff\r | |
1073 | //\r | |
1074 | if (!(LocalPtr.DiscoveryControl->ControlBits & USE_BOOTFILE) ||\r | |
1075 | !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
1076 | ) {\r | |
1077 | INTN MenuLth;\r | |
1078 | \r | |
1079 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_MENU_IX - 1];\r | |
1080 | \r | |
1081 | if (LocalPtr.OpPtr == NULL || !DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_PROMPT_IX - 1]) {\r | |
1082 | //\r | |
1083 | // missing required field\r | |
1084 | //\r | |
1085 | return FALSE;\r | |
1086 | }\r | |
1087 | //\r | |
1088 | // make sure menu valid\r | |
1089 | //\r | |
1090 | MenuLth = LocalPtr.BootMenu->Header.Length;\r | |
1091 | LocalPtr.BootMenuItem = LocalPtr.BootMenu->MenuItem;\r | |
1092 | \r | |
1093 | do {\r | |
1094 | INTN MenuItemLen;\r | |
1095 | \r | |
1096 | MenuItemLen = LocalPtr.BootMenuItem->DataLen;\r | |
1097 | \r | |
1098 | if (MenuItemLen == 0) {\r | |
1099 | //\r | |
1100 | // missing required field\r | |
1101 | //\r | |
1102 | return FALSE;\r | |
1103 | }\r | |
1104 | \r | |
1105 | MenuItemLen += sizeof (*LocalPtr.BootMenuItem) - sizeof (LocalPtr.BootMenuItem->Data);\r | |
1106 | \r | |
1107 | MenuLth -= MenuItemLen;\r | |
1108 | LocalPtr.BytePtr += MenuItemLen;\r | |
1109 | } while (MenuLth > 0);\r | |
1110 | \r | |
1111 | if (MenuLth != 0) {\r | |
1112 | //\r | |
1113 | // missing required field\r | |
1114 | //\r | |
1115 | return FALSE;\r | |
1116 | }\r | |
1117 | }\r | |
1118 | \r | |
1119 | if (!DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r | |
1120 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultBootItem;\r | |
1121 | }\r | |
1122 | \r | |
1123 | return TRUE;\r | |
1124 | }\r | |
1125 | \r | |
1126 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1127 | BOOLEAN\r | |
1128 | DHCPAckEdit (\r | |
1129 | DHCP_RECEIVE_BUFFER *RxBufPtr\r | |
1130 | )\r | |
1131 | {\r | |
1132 | return (BOOLEAN) (DHCPOfferAckEdit (RxBufPtr) ? AckEdit (RxBufPtr) : FALSE);\r | |
1133 | }\r | |
1134 | \r | |
1135 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1136 | \r | |
1137 | //\r | |
1138 | // get an offer/ack\r | |
1139 | //\r | |
1140 | EFI_STATUS\r | |
1141 | GetOfferAck (\r | |
1142 | PXE_BASECODE_DEVICE *Private,\r | |
1143 | BOOLEAN (*ExtraEdit)(DHCP_RECEIVE_BUFFER *DhcpRxBuf),\r | |
1144 | UINT16 OpFlags, // for Udp read\r | |
1145 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1146 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
1147 | EFI_IP_ADDRESS *ClientIpPtr,\r | |
1148 | EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr,\r | |
1149 | DHCP_RECEIVE_BUFFER *DhcpRxBuf,\r | |
1150 | EFI_EVENT TimeoutEvent\r | |
1151 | )\r | |
1152 | /*++\r | |
1153 | Routine description:\r | |
1154 | Wait for an OFFER/ACK packet.\r | |
1155 | \r | |
1156 | Parameters:\r | |
1157 | Private := Pointer to PxeBc interface\r | |
1158 | ExtraEdit := Pointer to extra option checking function\r | |
1159 | OpFlags := UdpRead() option flags\r | |
1160 | ServerIpPtr :=\r | |
1161 | ServerPortPtr :=\r | |
1162 | ClientIpPtr :=\r | |
1163 | ClientPortPtr :=\r | |
1164 | DhcpRxBuf :=\r | |
1165 | TimeoutEvent :=\r | |
1166 | \r | |
1167 | Returns:\r | |
1168 | --*/\r | |
1169 | {\r | |
1170 | EFI_IP_ADDRESS ServerIp;\r | |
1171 | EFI_STATUS StatCode;\r | |
1172 | INTN RxBufLen;\r | |
1173 | \r | |
1174 | for (;;) {\r | |
1175 | //\r | |
1176 | // Wait until we get a UDP packet.\r | |
1177 | //\r | |
1178 | ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
1179 | RxBufLen = sizeof RxBuf[0].u.ReceiveBuffer;\r | |
1180 | \r | |
1181 | if ((StatCode = UdpRead (\r | |
1182 | Private,\r | |
1183 | OpFlags,\r | |
1184 | ClientIpPtr,\r | |
1185 | ClientPortPtr,\r | |
1186 | ServerIpPtr,\r | |
1187 | ServerPortPtr,\r | |
1188 | 0,\r | |
1189 | 0,\r | |
1190 | (UINTN *) &RxBufLen,\r | |
1191 | &DhcpRxBuf->u.Dhcpv4,\r | |
1192 | TimeoutEvent\r | |
1193 | )) != EFI_SUCCESS) {\r | |
1194 | if (StatCode == EFI_TIMEOUT) {\r | |
1195 | StatCode = EFI_NO_RESPONSE;\r | |
1196 | }\r | |
1197 | \r | |
1198 | break;\r | |
1199 | }\r | |
1200 | //\r | |
1201 | // got a packet - see if a good offer\r | |
1202 | //\r | |
1203 | if (DhcpRxBuf->u.Dhcpv4.op != BOOTP_REPLY) {\r | |
1204 | continue;\r | |
1205 | }\r | |
1206 | \r | |
1207 | if (DhcpRxBuf->u.Dhcpv4.xid != DHCPV4_TRANSMIT_BUFFER.xid) {\r | |
1208 | continue;\r | |
1209 | }\r | |
1210 | \r | |
1211 | if (*(UINT32 *) DHCPV4_TRANSMIT_BUFFER.options != * (UINT32 *) DhcpRxBuf->u.Dhcpv4.options) {\r | |
1212 | continue;\r | |
1213 | }\r | |
1214 | \r | |
1215 | if (*(UINT8 *) &DhcpRxBuf->u.Dhcpv4.yiaddr > 223) {\r | |
1216 | continue;\r | |
1217 | }\r | |
1218 | \r | |
1219 | if (CompareMem (\r | |
1220 | DhcpRxBuf->u.Dhcpv4.chaddr,\r | |
1221 | DHCPV4_TRANSMIT_BUFFER.chaddr,\r | |
1222 | sizeof DhcpRxBuf->u.Dhcpv4.chaddr\r | |
1223 | )) {\r | |
1224 | //\r | |
1225 | // no good\r | |
1226 | //\r | |
1227 | continue;\r | |
1228 | }\r | |
1229 | \r | |
1230 | Parse (DhcpRxBuf, RxBufLen);\r | |
1231 | \r | |
1232 | if (!(*ExtraEdit) (DhcpRxBuf)) {\r | |
1233 | continue;\r | |
1234 | }\r | |
1235 | //\r | |
1236 | // Good DHCP packet.\r | |
1237 | //\r | |
1238 | StatCode = EFI_SUCCESS;\r | |
1239 | break;\r | |
1240 | }\r | |
1241 | \r | |
1242 | return StatCode;\r | |
1243 | }\r | |
1244 | \r | |
1245 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1246 | \r | |
1247 | //\r | |
1248 | // get DHCPOFFER's\r | |
1249 | //\r | |
1250 | EFI_STATUS\r | |
1251 | GetOffers (\r | |
1252 | PXE_BASECODE_DEVICE *Private\r | |
1253 | )\r | |
1254 | {\r | |
1255 | EFI_IP_ADDRESS ClientIp;\r | |
1256 | EFI_IP_ADDRESS ServerIp;\r | |
1257 | EFI_STATUS StatCode;\r | |
1258 | EFI_EVENT TimeoutEvent;\r | |
1259 | INTN NumOffers;\r | |
1260 | INTN Index;\r | |
1261 | \r | |
1262 | //\r | |
1263 | //\r | |
1264 | //\r | |
1265 | ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
1266 | NumOffers = 0;\r | |
1267 | \r | |
1268 | for (Index = 0; Index < (sizeof Private->ServerCount) / sizeof Private->ServerCount[0]; ++Index) {\r | |
1269 | Private->ServerCount[Index] = 0;\r | |
1270 | Private->GotProxy[Index] = 0;\r | |
1271 | }\r | |
1272 | \r | |
1273 | Private->GotBootp = 0;\r | |
1274 | //\r | |
1275 | // these we throw away\r | |
1276 | //\r | |
1277 | Private->GotProxy[DHCP_ONLY_IX] = 1;\r | |
1278 | StatCode = gBS->CreateEvent (\r | |
1279 | EVT_TIMER,\r | |
1280 | TPL_CALLBACK,\r | |
1281 | NULL,\r | |
1282 | NULL,\r | |
1283 | &TimeoutEvent\r | |
1284 | );\r | |
1285 | \r | |
1286 | if (EFI_ERROR (StatCode)) {\r | |
1287 | return StatCode;\r | |
1288 | }\r | |
1289 | \r | |
1290 | StatCode = gBS->SetTimer (\r | |
1291 | TimeoutEvent,\r | |
1292 | TimerRelative,\r | |
1293 | Private->Timeout * 10000000 + 1000000\r | |
1294 | );\r | |
1295 | \r | |
1296 | if (EFI_ERROR (StatCode)) {\r | |
1297 | gBS->CloseEvent (TimeoutEvent);\r | |
1298 | return StatCode;\r | |
1299 | }\r | |
1300 | //\r | |
1301 | // get offers\r | |
1302 | //\r | |
1303 | for (;;) {\r | |
1304 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1305 | UNION_PTR LocalPtr;\r | |
1306 | \r | |
1307 | DhcpRxBuf = &RxBuf[NumOffers];\r | |
1308 | \r | |
1309 | if ((\r | |
1310 | StatCode = GetOfferAck (\r | |
1311 | Private,\r | |
1312 | DHCPOfferAckEdit,\r | |
1313 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP |\r | |
1314 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP |\r | |
1315 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
1316 | &ServerIp,\r | |
1317 | &DhcpServerPort,\r | |
1318 | &ClientIp,\r | |
1319 | &DHCPClientPort,\r | |
1320 | DhcpRxBuf,\r | |
1321 | TimeoutEvent\r | |
1322 | )\r | |
1323 | ) != EFI_SUCCESS\r | |
1324 | ) {\r | |
1325 | break;\r | |
1326 | }\r | |
1327 | \r | |
1328 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r | |
1329 | \r | |
1330 | //\r | |
1331 | // check type of offer\r | |
1332 | //\r | |
1333 | if (LocalPtr.OpPtr == NULL) {\r | |
1334 | //\r | |
1335 | // bootp - we only need one and make sure has bootfile\r | |
1336 | //\r | |
1337 | if (Private->GotBootp || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r | |
1338 | continue;\r | |
1339 | }\r | |
1340 | \r | |
1341 | Private->GotBootp = (UINT8) (NumOffers + 1);\r | |
1342 | }\r | |
1343 | //\r | |
1344 | // if a DHCP type, must be DHCPOFFER and must have server id\r | |
1345 | //\r | |
1346 | else if (LocalPtr.MessageType->Type != DHCPOFFER || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]) {\r | |
1347 | continue;\r | |
1348 | } else {\r | |
1349 | INTN TypeIx;\r | |
1350 | \r | |
1351 | //\r | |
1352 | // get type - PXE10, WfM11a, or BINL\r | |
1353 | //\r | |
1354 | if (DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) {\r | |
1355 | TypeIx = PXE10_IX;\r | |
1356 | } else if (DhcpRxBuf->OpAdds.Status & WfM11a_TYPE) {\r | |
1357 | //\r | |
1358 | // WfM - make sure it has a bootfile\r | |
1359 | //\r | |
1360 | if (!DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r | |
1361 | continue;\r | |
1362 | }\r | |
1363 | \r | |
1364 | TypeIx = WfM11a_IX;\r | |
1365 | } else {\r | |
1366 | TypeIx = (DhcpRxBuf->OpAdds.Status & PXE_TYPE) ? BINL_IX : DHCP_ONLY_IX;\r | |
1367 | }\r | |
1368 | //\r | |
1369 | // check DHCP or proxy\r | |
1370 | //\r | |
1371 | if (DhcpRxBuf->u.Dhcpv4.yiaddr == 0) {\r | |
1372 | //\r | |
1373 | // proxy - only need one of each type if not BINL\r | |
1374 | // and must have at least PXE_TYPE\r | |
1375 | //\r | |
1376 | if (TypeIx == BINL_IX) {\r | |
1377 | Private->BinlProxies[Private->GotProxy[BINL_IX]++] = (UINT8) NumOffers;\r | |
1378 | } else if (Private->GotProxy[TypeIx]) {\r | |
1379 | continue;\r | |
1380 | } else {\r | |
1381 | Private->GotProxy[TypeIx] = (UINT8) (NumOffers + 1);\r | |
1382 | }\r | |
1383 | } else {\r | |
1384 | Private->OfferCount[TypeIx][Private->ServerCount[TypeIx]++] = (UINT8) NumOffers;\r | |
1385 | }\r | |
1386 | }\r | |
1387 | \r | |
1388 | if (++NumOffers == MAX_OFFERS) {\r | |
1389 | break;\r | |
1390 | }\r | |
1391 | }\r | |
1392 | \r | |
1393 | gBS->CloseEvent (TimeoutEvent);\r | |
1394 | Private->NumOffersReceived = NumOffers;\r | |
1395 | \r | |
1396 | return (Private->NumOffersReceived) ? EFI_SUCCESS : EFI_NO_RESPONSE;\r | |
1397 | }\r | |
1398 | \r | |
1399 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1400 | \r | |
1401 | //\r | |
1402 | // send DHCPDECLINE\r | |
1403 | //\r | |
1404 | STATIC\r | |
1405 | VOID\r | |
1406 | DeclineOffer (\r | |
1407 | PXE_BASECODE_DEVICE *Private\r | |
1408 | )\r | |
1409 | {\r | |
1410 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1411 | UINT16 SaveSecs;\r | |
1412 | \r | |
1413 | PxebcMode = Private->EfiBc.Mode;\r | |
1414 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1415 | \r | |
1416 | DHCPV4_TRANSMIT_BUFFER.secs = 0;\r | |
1417 | DHCPV4_TRANSMIT_BUFFER.flags = 0;\r | |
1418 | SetMem (\r | |
1419 | DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opdeclinestr),\r | |
1420 | sizeof (DHCPOpStart) - sizeof (struct opdeclinestr),\r | |
1421 | OP_PAD\r | |
1422 | );\r | |
1423 | DHCPDECLINEoptions.DhcpMessageType.Type = DHCPDECLINE;\r | |
07e3550e | 1424 | CopyMem (&DHCPDECLINEoptions.OpDeclineEnd, &DHCP_REQ_OPTIONS, sizeof (DHCPDECLINEoptions.OpDeclineEnd));\r |
772db4bb | 1425 | \r |
1426 | {\r | |
1427 | EFI_IP_ADDRESS TmpIp;\r | |
1428 | \r | |
1429 | CopyMem (&TmpIp, &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip, sizeof TmpIp);\r | |
1430 | \r | |
1431 | DoUdpWrite (\r | |
1432 | Private,\r | |
1433 | &TmpIp,\r | |
1434 | &DhcpServerPort,\r | |
1435 | &PxebcMode->StationIp,\r | |
1436 | &DHCPClientPort\r | |
1437 | );\r | |
1438 | }\r | |
1439 | \r | |
1440 | InitDhcpv4TxBuf (Private);\r | |
1441 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1442 | Private->GoodStationIp = FALSE;\r | |
1443 | }\r | |
1444 | \r | |
1445 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1446 | \r | |
1447 | //\r | |
1448 | // send DHCPRELEASE\r | |
1449 | //\r | |
1450 | STATIC\r | |
1451 | BOOLEAN\r | |
1452 | Release (\r | |
1453 | PXE_BASECODE_DEVICE *Private\r | |
1454 | )\r | |
1455 | {\r | |
1456 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1457 | UINT16 SaveSecs;\r | |
1458 | \r | |
1459 | PxebcMode = Private->EfiBc.Mode;\r | |
1460 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1461 | DHCPV4_TRANSMIT_BUFFER.secs = 0;\r | |
1462 | \r | |
1463 | SetMem (\r | |
1464 | DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opreleasestr),\r | |
1465 | sizeof (DHCPOpStart) - sizeof (struct opreleasestr),\r | |
1466 | OP_PAD\r | |
1467 | );\r | |
1468 | \r | |
1469 | DHCPRELEASEoptions.DhcpMessageType.Type = DHCPRELEASE;\r | |
1470 | \r | |
1471 | CopyMem (\r | |
1472 | &DHCPRELEASEoptions.DhcServerIpPtr,\r | |
84b5c78e | 1473 | (DHCPV4_OP_SERVER_IP *) DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1],\r |
772db4bb | 1474 | sizeof DHCPRELEASEoptions.DhcServerIpPtr\r |
1475 | );\r | |
1476 | \r | |
1477 | DHCPRELEASEoptions.End[0] = OP_END;\r | |
1478 | \r | |
1479 | {\r | |
1480 | EFI_IP_ADDRESS TmpIp;\r | |
1481 | \r | |
1482 | CopyMem (&TmpIp, &DHCPRELEASEoptions.DhcServerIpPtr.Ip, sizeof TmpIp);\r | |
1483 | \r | |
1484 | DoUdpWrite (\r | |
1485 | Private,\r | |
1486 | &TmpIp,\r | |
1487 | &DhcpServerPort,\r | |
1488 | &PxebcMode->StationIp,\r | |
1489 | &DHCPClientPort\r | |
1490 | );\r | |
1491 | }\r | |
1492 | \r | |
1493 | InitDhcpv4TxBuf (Private);\r | |
1494 | \r | |
1495 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1496 | Private->GoodStationIp = FALSE;\r | |
1497 | return FALSE;\r | |
1498 | }\r | |
1499 | \r | |
1500 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1501 | STATIC\r | |
1502 | BOOLEAN\r | |
1503 | GetBINLAck (\r | |
1504 | PXE_BASECODE_DEVICE *Private,\r | |
1505 | EFI_IP_ADDRESS *ServerIpPtr\r | |
1506 | )\r | |
1507 | {\r | |
1508 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1509 | EFI_STATUS StatCode;\r | |
1510 | EFI_EVENT TimeoutEvent;\r | |
1511 | \r | |
1512 | //\r | |
1513 | //\r | |
1514 | //\r | |
1515 | StatCode = gBS->CreateEvent (\r | |
1516 | EVT_TIMER,\r | |
1517 | TPL_CALLBACK,\r | |
1518 | NULL,\r | |
1519 | NULL,\r | |
1520 | &TimeoutEvent\r | |
1521 | );\r | |
1522 | \r | |
1523 | if (EFI_ERROR (StatCode)) {\r | |
1524 | return FALSE;\r | |
1525 | }\r | |
1526 | \r | |
1527 | StatCode = gBS->SetTimer (\r | |
1528 | TimeoutEvent,\r | |
1529 | TimerRelative,\r | |
1530 | Private->Timeout * 10000000 + 1000000\r | |
1531 | );\r | |
1532 | \r | |
1533 | if (EFI_ERROR (StatCode)) {\r | |
1534 | gBS->CloseEvent (TimeoutEvent);\r | |
1535 | return FALSE;\r | |
1536 | }\r | |
1537 | //\r | |
1538 | //\r | |
1539 | //\r | |
1540 | DhcpRxBuf = &PXE_BINL_BUFFER;\r | |
1541 | \r | |
1542 | for (;;) {\r | |
1543 | EFI_PXE_BASE_CODE_UDP_PORT BINLSrvPort;\r | |
1544 | \r | |
1545 | BINLSrvPort = 0;\r | |
1546 | \r | |
1547 | if (GetOfferAck (\r | |
1548 | Private,\r | |
1549 | AckEdit,\r | |
1550 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
1551 | ServerIpPtr,\r | |
1552 | &BINLSrvPort,\r | |
1553 | &Private->EfiBc.Mode->StationIp,\r | |
1554 | &PSEUDO_DHCP_CLIENT_PORT,\r | |
1555 | DhcpRxBuf,\r | |
1556 | TimeoutEvent\r | |
1557 | ) != EFI_SUCCESS) {\r | |
1558 | break;\r | |
1559 | }\r | |
1560 | //\r | |
1561 | // make sure from whom we wanted\r | |
1562 | //\r | |
1563 | if (!DhcpRxBuf->u.Dhcpv4.yiaddr && !CompareMem (\r | |
1564 | &ServerIpPtr->v4,\r | |
1565 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1566 | sizeof (ServerIpPtr->v4)\r | |
1567 | )) {\r | |
1568 | gBS->CloseEvent (TimeoutEvent);\r | |
1569 | //\r | |
1570 | // got an ACK from server\r | |
1571 | //\r | |
1572 | return TRUE;\r | |
1573 | }\r | |
1574 | }\r | |
1575 | \r | |
1576 | gBS->CloseEvent (TimeoutEvent);\r | |
1577 | return FALSE;\r | |
1578 | }\r | |
1579 | \r | |
1580 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1581 | \r | |
1582 | //\r | |
1583 | // make sure we can get BINL\r | |
1584 | // send DHCPREQUEST to PXE server\r | |
1585 | //\r | |
1586 | STATIC\r | |
1587 | BOOLEAN\r | |
1588 | TryBINL (\r | |
1589 | PXE_BASECODE_DEVICE *Private,\r | |
1590 | INTN OfferIx\r | |
1591 | )\r | |
1592 | {\r | |
1593 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1594 | EFI_IP_ADDRESS ServerIp;\r | |
1595 | UINT16 SaveSecs;\r | |
1596 | INTN Index;\r | |
1597 | \r | |
1598 | DhcpRxBuf = &RxBuf[OfferIx];\r | |
1599 | \r | |
1600 | //\r | |
1601 | // use next server address first.\r | |
1602 | //\r | |
1603 | ServerIp.Addr[0] = DhcpRxBuf->u.Dhcpv4.siaddr;\r | |
1604 | if (ServerIp.Addr[0] == 0) {\r | |
1605 | //\r | |
1606 | // next server address is NULL, use option 54.\r | |
1607 | //\r | |
1608 | CopyMem (\r | |
1609 | ((EFI_IPv4_ADDRESS *) &ServerIp),\r | |
1610 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1611 | sizeof (EFI_IPv4_ADDRESS)\r | |
1612 | );\r | |
1613 | }\r | |
1614 | \r | |
1615 | //\r | |
1616 | // client IP address - filled in by client if it knows it\r | |
1617 | //\r | |
1618 | CopyMem (\r | |
1619 | ((EFI_IPv4_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr),\r | |
1620 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
1621 | sizeof (EFI_IPv4_ADDRESS)\r | |
1622 | );\r | |
1623 | \r | |
1624 | SetMem (&DHCP_REQ_OPTIONS, sizeof DHCP_REQ_OPTIONS, OP_PAD);\r | |
1625 | DHCPV4_TRANSMIT_BUFFER.flags = 0;\r | |
1626 | DHCPV4_OPTIONS_BUFFER.End[0] = OP_END;\r | |
1627 | AddRouters (Private, DhcpRxBuf);\r | |
1628 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1629 | \r | |
1630 | for (Index = 0; Index < 3; Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Index) {\r | |
1631 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
1632 | \r | |
1633 | //\r | |
1634 | // unicast DHCPREQUEST to PXE server\r | |
1635 | //\r | |
1636 | if (DoUdpWrite (\r | |
1637 | Private,\r | |
1638 | &ServerIp,\r | |
1639 | &PseudoDhcpServerPort,\r | |
1640 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
1641 | &PSEUDO_DHCP_CLIENT_PORT\r | |
1642 | ) != EFI_SUCCESS) {\r | |
1643 | break;\r | |
1644 | }\r | |
1645 | \r | |
1646 | if (!GetBINLAck (Private, &ServerIp)) {\r | |
1647 | continue;\r | |
1648 | }\r | |
1649 | //\r | |
1650 | // early exit failures\r | |
1651 | // make sure a good ACK\r | |
1652 | //\r | |
1653 | if (!DHCPOfferAckEdit (&PXE_BINL_BUFFER) || (\r | |
1654 | !(PXE_BINL_BUFFER.OpAdds.Status & DISCOVER_TYPE) && !PXE_BINL_BUFFER.OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
1655 | )\r | |
1656 | ) {\r | |
1657 | break;\r | |
1658 | }\r | |
1659 | \r | |
1660 | Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r | |
1661 | return TRUE;\r | |
1662 | }\r | |
1663 | //\r | |
1664 | // failed - reset seconds field, etc.\r | |
1665 | //\r | |
1666 | Private->EfiBc.Mode->RouteTableEntries = 0;\r | |
1667 | //\r | |
1668 | // reset\r | |
1669 | //\r | |
1670 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1671 | return FALSE;\r | |
1672 | }\r | |
1673 | \r | |
1674 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1675 | STATIC\r | |
1676 | BOOLEAN\r | |
1677 | TryFinishBINL (\r | |
1678 | PXE_BASECODE_DEVICE *Private,\r | |
1679 | INTN OfferIx\r | |
1680 | )\r | |
1681 | {\r | |
1682 | if (TryBINL (Private, OfferIx)) {\r | |
1683 | return TRUE;\r | |
1684 | }\r | |
1685 | \r | |
1686 | return Release (Private);\r | |
1687 | }\r | |
1688 | \r | |
1689 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1690 | STATIC\r | |
1691 | BOOLEAN\r | |
1692 | TryFinishProxyBINL (\r | |
1693 | PXE_BASECODE_DEVICE *Private\r | |
1694 | )\r | |
1695 | {\r | |
1696 | INTN Index;\r | |
1697 | \r | |
1698 | for (Index = 0; Index < Private->GotProxy[BINL_IX]; ++Index) {\r | |
1699 | if (TryBINL (Private, Private->BinlProxies[Index])) {\r | |
1700 | return TRUE;\r | |
1701 | }\r | |
1702 | }\r | |
1703 | \r | |
1704 | return Release (Private);\r | |
1705 | }\r | |
1706 | \r | |
1707 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1708 | \r | |
1709 | //\r | |
1710 | // try to finish DORA - send DHCP request, wait for ACK, check with ARP\r | |
1711 | //\r | |
1712 | STATIC\r | |
1713 | BOOLEAN\r | |
1714 | TryFinishDORA (\r | |
1715 | PXE_BASECODE_DEVICE *Private,\r | |
1716 | INTN OfferIx\r | |
1717 | )\r | |
1718 | {\r | |
1719 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1720 | EFI_IP_ADDRESS ClientIp;\r | |
1721 | EFI_IP_ADDRESS ServerIp;\r | |
1722 | EFI_STATUS StatCode;\r | |
1723 | UNION_PTR LocalPtr;\r | |
1724 | EFI_EVENT TimeoutEvent;\r | |
1725 | \r | |
1726 | //\r | |
1727 | // send DHCP request\r | |
1728 | // if fail return false\r | |
1729 | //\r | |
1730 | DhcpRxBuf = &DHCPV4_ACK_BUFFER;\r | |
1731 | DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r | |
07e3550e | 1732 | CopyMem (&DHCP_REQ_OPTIONS, &RequestOpEndStr, sizeof (DHCP_REQ_OPTIONS));\r |
772db4bb | 1733 | DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[OfferIx].u.Dhcpv4.yiaddr;\r |
1734 | \r | |
1735 | CopyMem (\r | |
1736 | &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r | |
1737 | &((DHCPV4_OP_SERVER_IP *) RxBuf[OfferIx].OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1738 | sizeof DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip\r | |
1739 | );\r | |
1740 | \r | |
1741 | CopyMem (\r | |
1742 | Private->EfiBc.Mode->SubnetMask.Addr,\r | |
1743 | &DefaultSubnetMask,\r | |
1744 | 4\r | |
1745 | );\r | |
1746 | \r | |
1747 | //\r | |
1748 | // broadcast DHCPREQUEST\r | |
1749 | //\r | |
1750 | if (DoUdpWrite (\r | |
1751 | Private,\r | |
1752 | &BroadcastIP,\r | |
1753 | &DhcpServerPort,\r | |
1754 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
1755 | &DHCPClientPort\r | |
1756 | ) != EFI_SUCCESS) {\r | |
1757 | return FALSE;\r | |
1758 | }\r | |
1759 | //\r | |
1760 | //\r | |
1761 | //\r | |
1762 | StatCode = gBS->CreateEvent (\r | |
1763 | EVT_TIMER,\r | |
1764 | TPL_CALLBACK,\r | |
1765 | NULL,\r | |
1766 | NULL,\r | |
1767 | &TimeoutEvent\r | |
1768 | );\r | |
1769 | \r | |
1770 | if (EFI_ERROR (StatCode)) {\r | |
1771 | return FALSE;\r | |
1772 | }\r | |
1773 | \r | |
1774 | StatCode = gBS->SetTimer (\r | |
1775 | TimeoutEvent,\r | |
1776 | TimerPeriodic,\r | |
1777 | Private->Timeout * 10000000 + 1000000\r | |
1778 | );\r | |
1779 | \r | |
1780 | if (EFI_ERROR (StatCode)) {\r | |
1781 | gBS->CloseEvent (TimeoutEvent);\r | |
1782 | return FALSE;\r | |
1783 | }\r | |
1784 | //\r | |
1785 | // wait for ACK\r | |
1786 | //\r | |
1787 | for (;;) {\r | |
1788 | if (GetOfferAck (\r | |
1789 | Private,\r | |
1790 | DHCPAckEdit,\r | |
1791 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP,\r | |
1792 | &ServerIp,\r | |
1793 | &DhcpServerPort,\r | |
1794 | &ClientIp,\r | |
1795 | &DHCPClientPort,\r | |
1796 | DhcpRxBuf,\r | |
1797 | TimeoutEvent\r | |
1798 | ) != EFI_SUCCESS) {\r | |
1799 | break;\r | |
1800 | }\r | |
1801 | //\r | |
1802 | // check type of response - need DHCPACK\r | |
1803 | //\r | |
1804 | if (CompareMem (\r | |
1805 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
1806 | &DhcpRxBuf->u.Dhcpv4.yiaddr,\r | |
1807 | sizeof (EFI_IPv4_ADDRESS)\r | |
1808 | ) || CompareMem (\r | |
1809 | &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r | |
1810 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1811 | sizeof (EFI_IPv4_ADDRESS)\r | |
1812 | )) {\r | |
1813 | continue;\r | |
1814 | }\r | |
1815 | //\r | |
1816 | // got ACK\r | |
1817 | // check with ARP that IP unused - good return true\r | |
1818 | //\r | |
1819 | if (!SetStationIP (Private)) {\r | |
1820 | //\r | |
1821 | // fail - send DHCPDECLINE and return false\r | |
1822 | //\r | |
1823 | DeclineOffer (Private);\r | |
1824 | break;\r | |
1825 | }\r | |
1826 | \r | |
1827 | LocalPtr.OpPtr = DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r | |
1828 | \r | |
1829 | if (LocalPtr.OpPtr != NULL) {\r | |
1830 | CopyMem (\r | |
1831 | (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask,\r | |
1832 | &LocalPtr.SubnetMaskStr->Ip,\r | |
1833 | sizeof (EFI_IPv4_ADDRESS)\r | |
1834 | );\r | |
1835 | }\r | |
1836 | \r | |
1837 | AddRouters (Private, DhcpRxBuf);\r | |
1838 | gBS->CloseEvent (TimeoutEvent);\r | |
1839 | return TRUE;\r | |
1840 | }\r | |
1841 | \r | |
1842 | gBS->CloseEvent (TimeoutEvent);\r | |
1843 | return FALSE;\r | |
1844 | }\r | |
1845 | \r | |
1846 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1847 | \r | |
1848 | //\r | |
1849 | // try a DHCP server of appropriate type\r | |
1850 | //\r | |
1851 | STATIC\r | |
1852 | BOOLEAN\r | |
1853 | TryDHCPFinishDORA (\r | |
1854 | PXE_BASECODE_DEVICE *Private,\r | |
1855 | INTN TypeIx\r | |
1856 | )\r | |
1857 | {\r | |
1858 | INTN Index;\r | |
1859 | \r | |
1860 | //\r | |
1861 | // go through the DHCP servers of the requested type\r | |
1862 | //\r | |
1863 | for (Index = 0; Index < Private->ServerCount[TypeIx]; ++Index) {\r | |
1864 | if (TryFinishDORA (Private, Index = Private->OfferCount[TypeIx][Index])) {\r | |
1865 | if (TypeIx == BINL_IX && !TryFinishBINL (Private, Index)) {\r | |
1866 | continue;\r | |
1867 | }\r | |
1868 | \r | |
1869 | return TRUE;\r | |
1870 | }\r | |
1871 | }\r | |
1872 | \r | |
1873 | return FALSE;\r | |
1874 | }\r | |
1875 | \r | |
1876 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1877 | \r | |
1878 | //\r | |
1879 | // try a DHCP only server and a proxy of appropriate type\r | |
1880 | //\r | |
1881 | STATIC\r | |
1882 | BOOLEAN\r | |
1883 | TryProxyFinishDORA (\r | |
1884 | PXE_BASECODE_DEVICE *Private,\r | |
1885 | INTN TypeIx\r | |
1886 | )\r | |
1887 | {\r | |
1888 | INTN Index;\r | |
1889 | \r | |
1890 | if (!Private->GotProxy[TypeIx]) {\r | |
1891 | //\r | |
1892 | // no proxies of the type wanted\r | |
1893 | //\r | |
1894 | return FALSE;\r | |
1895 | }\r | |
1896 | //\r | |
1897 | // go through the DHCP only servers\r | |
1898 | //\r | |
1899 | for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r | |
1900 | if (TryFinishDORA (Private, Private->OfferCount[DHCP_ONLY_IX][Index])) {\r | |
1901 | if (TypeIx != BINL_IX) {\r | |
1902 | CopyProxyRxBuf (Private, Private->GotProxy[TypeIx] - 1);\r | |
1903 | } else if (!TryFinishProxyBINL (Private)) {\r | |
1904 | //\r | |
1905 | // if didn't work with this DHCP, won't work with any\r | |
1906 | //\r | |
1907 | return FALSE;\r | |
1908 | }\r | |
1909 | \r | |
1910 | return TRUE;\r | |
1911 | }\r | |
1912 | }\r | |
1913 | \r | |
1914 | return FALSE;\r | |
1915 | }\r | |
1916 | \r | |
1917 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1918 | \r | |
1919 | //\r | |
1920 | // getting to the bottom of the barrel\r | |
1921 | //\r | |
1922 | STATIC\r | |
1923 | BOOLEAN\r | |
1924 | TryAnyWithBootfileFinishDORA (\r | |
1925 | PXE_BASECODE_DEVICE *Private\r | |
1926 | )\r | |
1927 | {\r | |
1928 | //\r | |
1929 | // try a DHCP only server who has a bootfile\r | |
1930 | //\r | |
1931 | UNION_PTR LocalPtr;\r | |
1932 | INTN Index;\r | |
1933 | \r | |
1934 | for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r | |
1935 | INTN offer;\r | |
1936 | \r | |
1937 | offer = Private->OfferCount[DHCP_ONLY_IX][Index];\r | |
1938 | \r | |
1939 | if (RxBuf[offer].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && TryFinishDORA (Private, offer)) {\r | |
1940 | return TRUE;\r | |
1941 | }\r | |
1942 | }\r | |
1943 | //\r | |
1944 | // really at bottom - see if be have any bootps\r | |
1945 | //\r | |
1946 | if (!Private->GotBootp) {\r | |
1947 | return FALSE;\r | |
1948 | }\r | |
1949 | \r | |
1950 | DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[Private->GotBootp - 1].u.Dhcpv4.yiaddr;\r | |
1951 | \r | |
1952 | if (!SetStationIP (Private)) {\r | |
1953 | return FALSE;\r | |
1954 | }\r | |
1955 | //\r | |
1956 | // treat BOOTP response as DHCP ACK packet\r | |
1957 | //\r | |
1958 | CopyParseRxBuf (Private, Private->GotBootp - 1, DHCPV4_ACK_INDEX);\r | |
1959 | \r | |
1960 | LocalPtr.OpPtr = RxBuf[Private->GotBootp - 1].OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r | |
1961 | \r | |
1962 | if (LocalPtr.OpPtr != NULL) {\r | |
1963 | *(EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask = LocalPtr.SubnetMaskStr->Ip;\r | |
1964 | }\r | |
1965 | \r | |
1966 | return TRUE;\r | |
1967 | }\r | |
1968 | \r | |
1969 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1970 | \r | |
1971 | /* DoDhcpDora()\r | |
1972 | */\r | |
1973 | STATIC\r | |
1974 | EFI_STATUS\r | |
1975 | DoDhcpDora (\r | |
1976 | PXE_BASECODE_DEVICE *Private,\r | |
1977 | BOOLEAN SortOffers\r | |
1978 | )\r | |
1979 | {\r | |
1980 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
1981 | EFI_STATUS StatCode;\r | |
1982 | INTN NumOffers;\r | |
1983 | \r | |
1984 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP | EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST;\r | |
1985 | \r | |
1986 | Filter.IpCnt = 0;\r | |
1987 | Filter.reserved = 0;\r | |
1988 | \r | |
1989 | //\r | |
1990 | // set filter unicast or broadcast\r | |
1991 | //\r | |
1992 | if ((StatCode = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r | |
1993 | return StatCode;\r | |
1994 | }\r | |
1995 | //\r | |
1996 | // seed random number with hardware address\r | |
1997 | //\r | |
1998 | SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r | |
1999 | \r | |
2000 | for (Private->Timeout = 1;\r | |
2001 | Private->Timeout < 17;\r | |
2002 | Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), Private->Timeout <<= 1\r | |
2003 | ) {\r | |
2004 | INTN Index;\r | |
2005 | \r | |
2006 | InitDhcpv4TxBuf (Private);\r | |
2007 | DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r | |
2008 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
2009 | \r | |
2010 | //\r | |
2011 | // broadcast DHCPDISCOVER\r | |
2012 | //\r | |
2013 | StatCode = DoUdpWrite (\r | |
2014 | Private,\r | |
2015 | &BroadcastIP,\r | |
2016 | &DhcpServerPort,\r | |
2017 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2018 | &DHCPClientPort\r | |
2019 | );\r | |
2020 | \r | |
2021 | if (StatCode != EFI_SUCCESS) {\r | |
2022 | return StatCode;\r | |
2023 | }\r | |
2024 | \r | |
2025 | CopyMem (\r | |
2026 | &Private->EfiBc.Mode->DhcpDiscover,\r | |
2027 | (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r | |
2028 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2029 | );\r | |
2030 | \r | |
2031 | //\r | |
2032 | // get DHCPOFFER's\r | |
2033 | //\r | |
2034 | if ((StatCode = GetOffers (Private)) != EFI_SUCCESS) {\r | |
2035 | if (StatCode != EFI_NO_RESPONSE) {\r | |
2036 | return StatCode;\r | |
2037 | }\r | |
2038 | \r | |
2039 | continue;\r | |
2040 | }\r | |
2041 | //\r | |
2042 | // select offer and reply DHCPREQUEST\r | |
2043 | //\r | |
2044 | if (SortOffers) {\r | |
2045 | if (TryDHCPFinishDORA(Private, PXE10_IX) || // try DHCP with PXE10\r | |
2046 | TryDHCPFinishDORA(Private, WfM11a_IX) || // no - try with WfM\r | |
2047 | TryProxyFinishDORA(Private, PXE10_IX) || // no - try DHCP only and proxy with PXE10\r | |
2048 | TryProxyFinishDORA(Private, WfM11a_IX) || // no - try DHCP only and proxy with WfM\r | |
2049 | TryDHCPFinishDORA(Private, BINL_IX) || // no - try with WfM\r | |
2050 | TryProxyFinishDORA(Private, BINL_IX) || // no - try DHCP only and proxy with PXE10\r | |
2051 | TryAnyWithBootfileFinishDORA(Private))\r | |
2052 | {\r | |
2053 | return EFI_SUCCESS;\r | |
2054 | }\r | |
2055 | \r | |
2056 | continue;\r | |
2057 | }\r | |
2058 | //\r | |
2059 | // FIFO order\r | |
2060 | //\r | |
2061 | NumOffers = Private->NumOffersReceived;\r | |
2062 | \r | |
2063 | for (Index = 0; Index < NumOffers; ++Index) {\r | |
2064 | //\r | |
2065 | // ignore proxies\r | |
2066 | //\r | |
2067 | if (!RxBuf[Index].u.Dhcpv4.yiaddr) {\r | |
2068 | continue;\r | |
2069 | }\r | |
2070 | //\r | |
2071 | // check if a bootp server\r | |
2072 | //\r | |
2073 | if (!RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1]) {\r | |
2074 | //\r | |
2075 | // it is - just check ARP\r | |
2076 | //\r | |
2077 | if (!SetStationIP (Private)) {\r | |
2078 | continue;\r | |
2079 | }\r | |
2080 | }\r | |
2081 | //\r | |
2082 | // else check if a DHCP only server\r | |
2083 | //\r | |
2084 | else if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE))) {\r | |
2085 | //\r | |
2086 | // it is a normal DHCP offer (without any PXE options), just finish the D.O.R.A by sending DHCP request.\r | |
2087 | //\r | |
2088 | if (!TryFinishDORA (Private, Index)) {\r | |
2089 | continue;\r | |
2090 | }\r | |
2091 | } else if (TryFinishDORA (Private, Index)) {\r | |
2092 | if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) && !TryFinishBINL (Private, Index)) {\r | |
2093 | continue;\r | |
2094 | }\r | |
2095 | }\r | |
2096 | \r | |
2097 | DEBUG ((DEBUG_WARN, "\nDoDhcpDora() Got packets. "));\r | |
2098 | return EFI_SUCCESS;\r | |
2099 | }\r | |
2100 | //\r | |
2101 | // now look for DHCP onlys and a Proxy\r | |
2102 | //\r | |
2103 | for (Index = 0; Index < NumOffers; ++Index) {\r | |
2104 | INT8 Index2;\r | |
2105 | \r | |
2106 | //\r | |
2107 | // ignore proxies, bootps, non DHCP onlys, and bootable DHCPS\r | |
2108 | //\r | |
2109 | if (!RxBuf[Index].u.Dhcpv4.yiaddr ||\r | |
2110 | !RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1] ||\r | |
2111 | RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE) ||\r | |
2112 | RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
2113 | ) {\r | |
2114 | continue;\r | |
2115 | }\r | |
2116 | //\r | |
2117 | // found non bootable DHCP only - try to find a proxy\r | |
2118 | //\r | |
2119 | for (Index2 = 0; Index2 < NumOffers; ++Index2) {\r | |
2120 | if (!RxBuf[Index2].u.Dhcpv4.yiaddr) {\r | |
2121 | if (!TryFinishDORA (Private, Index)) {\r | |
2122 | //\r | |
2123 | // DHCP no ACK\r | |
2124 | //\r | |
2125 | break;\r | |
2126 | }\r | |
2127 | \r | |
2128 | if (RxBuf[Index2].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) {\r | |
2129 | CopyProxyRxBuf (Private, Index2);\r | |
2130 | } else if (!TryFinishBINL (Private, Index2)) {\r | |
2131 | continue;\r | |
2132 | }\r | |
2133 | \r | |
2134 | DEBUG ((DEBUG_WARN, "\nDoDhcpDora() Got packets. "));\r | |
2135 | return EFI_SUCCESS;\r | |
2136 | }\r | |
2137 | }\r | |
2138 | }\r | |
2139 | }\r | |
2140 | \r | |
2141 | return EFI_NO_RESPONSE;\r | |
2142 | }\r | |
2143 | \r | |
2144 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2145 | \r | |
2146 | //\r | |
2147 | // determine if the server ip is in the ip list\r | |
2148 | //\r | |
2149 | BOOLEAN\r | |
2150 | InServerList (\r | |
2151 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
2152 | PXE_SERVER_LISTS *ServerListPtr\r | |
2153 | )\r | |
2154 | {\r | |
2155 | UINTN Index;\r | |
2156 | \r | |
2157 | if (!ServerListPtr || !ServerListPtr->Ipv4List.IpCount) {\r | |
2158 | return TRUE;\r | |
2159 | }\r | |
2160 | \r | |
2161 | for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r | |
2162 | if (!CompareMem (\r | |
2163 | ServerIpPtr,\r | |
2164 | &ServerListPtr->Ipv4List.IpList[Index],\r | |
2165 | sizeof (EFI_IPv4_ADDRESS)\r | |
2166 | )) {\r | |
2167 | return TRUE;\r | |
2168 | }\r | |
2169 | }\r | |
2170 | \r | |
2171 | return FALSE;\r | |
2172 | }\r | |
2173 | \r | |
2174 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2175 | BOOLEAN\r | |
2176 | ExtractBootServerList (\r | |
2177 | UINT16 Type,\r | |
2178 | DHCPV4_OP_STRUCT *ptr,\r | |
2179 | PXE_SERVER_LISTS **ServerListPtr\r | |
2180 | )\r | |
2181 | {\r | |
2182 | UNION_PTR LocalPtr;\r | |
2183 | INTN ServerListLen;\r | |
2184 | \r | |
2185 | LocalPtr.OpPtr = ptr;\r | |
2186 | ServerListLen = LocalPtr.BootServersStr->Header.Length;\r | |
2187 | \r | |
2188 | //\r | |
2189 | // find type\r | |
2190 | //\r | |
2191 | LocalPtr.BootServerList = LocalPtr.BootServersStr->ServerList;\r | |
2192 | \r | |
2193 | while (ServerListLen) {\r | |
2194 | INTN ServerEntryLen;\r | |
2195 | \r | |
2196 | ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (LocalPtr.BootServerList->u.Ipv4List.IpCount - 1) *\r | |
2197 | sizeof (EFI_IPv4_ADDRESS);\r | |
2198 | \r | |
2199 | if (NTOHS (LocalPtr.BootServerList->Type) == Type) {\r | |
2200 | *ServerListPtr = &LocalPtr.BootServerList->u;\r | |
2201 | return TRUE;\r | |
2202 | }\r | |
2203 | \r | |
2204 | (LocalPtr.BytePtr) += ServerEntryLen;\r | |
2205 | ServerListLen -= ServerEntryLen;\r | |
2206 | }\r | |
2207 | \r | |
2208 | return FALSE;\r | |
2209 | }\r | |
2210 | \r | |
2211 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2212 | VOID\r | |
2213 | FreeMem (\r | |
2214 | PXE_BASECODE_DEVICE *Private\r | |
2215 | )\r | |
2216 | {\r | |
2217 | if (Private->TransmitBuffer != NULL) {\r | |
2218 | gBS->FreePool (Private->TransmitBuffer);\r | |
2219 | Private->TransmitBuffer = NULL;\r | |
2220 | }\r | |
2221 | \r | |
2222 | if (Private->ReceiveBuffers != NULL) {\r | |
2223 | gBS->FreePool (Private->ReceiveBuffers);\r | |
2224 | Private->ReceiveBuffers = NULL;\r | |
2225 | }\r | |
2226 | }\r | |
2227 | \r | |
2228 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2229 | BOOLEAN\r | |
2230 | GetMem (\r | |
2231 | PXE_BASECODE_DEVICE *Private\r | |
2232 | )\r | |
2233 | {\r | |
2234 | EFI_STATUS Status;\r | |
2235 | \r | |
2236 | if (Private->DhcpPacketBuffer == NULL) {\r | |
2237 | Status = gBS->AllocatePool (\r | |
2238 | EfiBootServicesData,\r | |
2239 | sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1),\r | |
2240 | &Private->DhcpPacketBuffer\r | |
2241 | );\r | |
2242 | \r | |
2243 | if (EFI_ERROR (Status) || Private->DhcpPacketBuffer == NULL) {\r | |
2244 | Private->DhcpPacketBuffer = NULL;\r | |
2245 | FreeMem (Private);\r | |
2246 | return FALSE;\r | |
2247 | }\r | |
2248 | }\r | |
2249 | \r | |
2250 | Status = gBS->AllocatePool (\r | |
2251 | EfiBootServicesData,\r | |
2252 | sizeof (EFI_PXE_BASE_CODE_PACKET),\r | |
2253 | &Private->TransmitBuffer\r | |
2254 | );\r | |
2255 | \r | |
2256 | if (EFI_ERROR (Status) || Private->TransmitBuffer == NULL) {\r | |
2257 | gBS->FreePool (Private->DhcpPacketBuffer);\r | |
2258 | Private->DhcpPacketBuffer = NULL;\r | |
2259 | Private->TransmitBuffer = NULL;\r | |
2260 | FreeMem (Private);\r | |
2261 | return FALSE;\r | |
2262 | }\r | |
2263 | \r | |
2264 | Status = gBS->AllocatePool (\r | |
2265 | EfiBootServicesData,\r | |
2266 | sizeof (DHCP_RECEIVE_BUFFER) * (MAX_OFFERS),\r | |
2267 | &Private->ReceiveBuffers\r | |
2268 | );\r | |
2269 | \r | |
2270 | if (EFI_ERROR (Status) || Private->ReceiveBuffers == NULL) {\r | |
2271 | gBS->FreePool (Private->TransmitBuffer);\r | |
2272 | gBS->FreePool (Private->DhcpPacketBuffer);\r | |
2273 | Private->DhcpPacketBuffer = NULL;\r | |
2274 | Private->TransmitBuffer = NULL;\r | |
2275 | Private->ReceiveBuffers = NULL;\r | |
2276 | FreeMem (Private);\r | |
2277 | return FALSE;\r | |
2278 | }\r | |
2279 | \r | |
2280 | return TRUE;\r | |
2281 | }\r | |
2282 | \r | |
2283 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2284 | \r | |
2285 | /**\r | |
2286 | \r | |
2287 | \r | |
2288 | **/\r | |
2289 | EFI_STATUS\r | |
2290 | EFIAPI\r | |
2291 | BcDhcp (\r | |
2292 | IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
2293 | IN BOOLEAN SortOffers\r | |
2294 | )\r | |
2295 | {\r | |
2296 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
2297 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2298 | PXE_BASECODE_DEVICE *Private;\r | |
2299 | EFI_STATUS StatCode;\r | |
2300 | \r | |
2301 | //\r | |
2302 | // Lock the instance data and make sure started\r | |
2303 | //\r | |
2304 | StatCode = EFI_SUCCESS;\r | |
2305 | \r | |
2306 | if (This == NULL) {\r | |
2307 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
2308 | return EFI_INVALID_PARAMETER;\r | |
2309 | }\r | |
2310 | \r | |
2311 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
2312 | \r | |
2313 | if (Private == NULL) {\r | |
2314 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE pointer == NULL"));\r | |
2315 | return EFI_INVALID_PARAMETER;\r | |
2316 | }\r | |
2317 | \r | |
2318 | EfiAcquireLock (&Private->Lock);\r | |
2319 | \r | |
2320 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
2321 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
2322 | EfiReleaseLock (&Private->Lock);\r | |
2323 | return EFI_NOT_STARTED;\r | |
2324 | }\r | |
2325 | \r | |
2326 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;\r | |
2327 | Filter.IpCnt = 0;\r | |
2328 | Filter.reserved = 0;\r | |
2329 | \r | |
2330 | DEBUG ((DEBUG_INFO, "\nBcDhcp() Enter. "));\r | |
2331 | \r | |
2332 | PxebcMode = Private->EfiBc.Mode;\r | |
2333 | \r | |
2334 | if (!GetMem (Private)) {\r | |
2335 | DEBUG ((DEBUG_ERROR, "\nBcDhcp() GetMem() failed.\n"));\r | |
2336 | EfiReleaseLock (&Private->Lock);\r | |
2337 | return EFI_OUT_OF_RESOURCES;\r | |
2338 | }\r | |
2339 | \r | |
2340 | PxebcMode->DhcpDiscoverValid = FALSE;\r | |
2341 | PxebcMode->DhcpAckReceived = FALSE;\r | |
2342 | PxebcMode->ProxyOfferReceived = FALSE;\r | |
2343 | \r | |
2344 | Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DHCP;\r | |
2345 | \r | |
2346 | //\r | |
2347 | // Issue BC command\r | |
2348 | //\r | |
2349 | if (Private->TotalSeconds == 0) {\r | |
2350 | //\r | |
2351 | // put in seconds field of DHCP send packets\r | |
2352 | //\r | |
2353 | Private->TotalSeconds = 4;\r | |
2354 | }\r | |
2355 | \r | |
2356 | if ((StatCode = DoDhcpDora (Private, SortOffers)) == EFI_SUCCESS) {\r | |
2357 | //\r | |
2358 | // success - copy packets\r | |
2359 | //\r | |
2360 | PxebcMode->DhcpDiscoverValid = PxebcMode->DhcpAckReceived = TRUE;\r | |
2361 | \r | |
2362 | CopyMem (\r | |
2363 | &PxebcMode->DhcpAck,\r | |
2364 | (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_ACK_PACKET,\r | |
2365 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2366 | );\r | |
2367 | \r | |
2368 | if (PxebcMode->ProxyOfferReceived) {\r | |
2369 | CopyMem (\r | |
2370 | &PxebcMode->ProxyOffer,\r | |
2371 | (EFI_PXE_BASE_CODE_PACKET *) &PXE_OFFER_PACKET,\r | |
2372 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2373 | );\r | |
2374 | }\r | |
2375 | }\r | |
2376 | //\r | |
2377 | // set filter back to unicast\r | |
2378 | //\r | |
2379 | IpFilter (Private, &Filter);\r | |
2380 | \r | |
2381 | FreeMem (Private);\r | |
2382 | \r | |
2383 | //\r | |
2384 | // Unlock the instance data\r | |
2385 | //\r | |
2386 | DEBUG ((DEBUG_WARN, "\nBcDhcp() Exit = %xh ", StatCode));\r | |
2387 | \r | |
2388 | EfiReleaseLock (&Private->Lock);\r | |
2389 | return StatCode;\r | |
2390 | }\r | |
2391 | \r | |
2392 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2393 | STATIC\r | |
2394 | BOOLEAN\r | |
2395 | VerifyCredentialOption (\r | |
2396 | UINT8 *tx,\r | |
2397 | UINT8 *rx\r | |
2398 | )\r | |
2399 | {\r | |
2400 | UINTN n;\r | |
2401 | \r | |
2402 | //\r | |
2403 | // Fail verification if either pointer is NULL.\r | |
2404 | //\r | |
2405 | if (tx == NULL || rx == NULL) {\r | |
2406 | return FALSE;\r | |
2407 | }\r | |
2408 | //\r | |
2409 | // Fail verification if tx[0] is not a credential type option\r | |
2410 | // or if the length is zero or not a multiple of four.\r | |
2411 | //\r | |
2412 | if (tx[0] != VEND_PXE_CREDENTIAL_TYPES || tx[1] == 0 || tx[1] % 4 != 0) {\r | |
2413 | return FALSE;\r | |
2414 | }\r | |
2415 | //\r | |
2416 | // Fail verification if rx[0] is not a credential type option\r | |
2417 | // or if the length is not equal to four.\r | |
2418 | //\r | |
2419 | if (rx[0] != VEND_PXE_CREDENTIAL_TYPES || rx[1] != 4) {\r | |
2420 | return FALSE;\r | |
2421 | }\r | |
2422 | //\r | |
2423 | // Look through transmitted credential types for a copy\r | |
2424 | // of the received credential type.\r | |
2425 | //\r | |
2426 | for (n = 0; n < tx[1]; n += 4) {\r | |
2427 | if (!CompareMem (&tx[n + 2], &rx[2], 4)) {\r | |
2428 | return TRUE;\r | |
2429 | }\r | |
2430 | }\r | |
2431 | \r | |
2432 | return FALSE;\r | |
2433 | }\r | |
2434 | \r | |
2435 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2436 | \r | |
2437 | /**\r | |
2438 | \r | |
2439 | \r | |
2440 | **/\r | |
2441 | EFI_STATUS\r | |
2442 | DoDiscover (\r | |
2443 | PXE_BASECODE_DEVICE *Private,\r | |
2444 | UINT16 OpFlags,\r | |
2445 | IN UINT16 Type,\r | |
2446 | IN UINT16 *LayerPtr,\r | |
2447 | IN BOOLEAN UseBis,\r | |
2448 | EFI_IP_ADDRESS *DestPtr,\r | |
2449 | PXE_SERVER_LISTS *ServerListPtr\r | |
2450 | )\r | |
2451 | {\r | |
2452 | EFI_PXE_BASE_CODE_UDP_PORT ClientPort;\r | |
2453 | EFI_PXE_BASE_CODE_UDP_PORT ServerPort;\r | |
2454 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2455 | EFI_STATUS StatCode;\r | |
2456 | EFI_EVENT TimeoutEvent;\r | |
2457 | UINT8 OpLen;\r | |
2458 | \r | |
2459 | PxebcMode = Private->EfiBc.Mode;\r | |
2460 | \r | |
2461 | if (DestPtr->Addr[0] == 0) {\r | |
2462 | DEBUG ((DEBUG_WARN, "\nDoDiscover() !DestPtr->Addr[0]"));\r | |
2463 | return EFI_INVALID_PARAMETER;\r | |
2464 | }\r | |
2465 | //\r | |
2466 | // seed random number with hardware address\r | |
2467 | //\r | |
2468 | SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r | |
2469 | \r | |
2470 | if (DestPtr->Addr[0] == BroadcastIP.Addr[0]) {\r | |
2471 | ClientPort = DHCPClientPort;\r | |
2472 | ServerPort = DhcpServerPort;\r | |
2473 | } else {\r | |
2474 | ClientPort = PSEUDO_DHCP_CLIENT_PORT;\r | |
2475 | ServerPort = PseudoDhcpServerPort;\r | |
2476 | }\r | |
2477 | \r | |
2478 | if (UseBis) {\r | |
2479 | *LayerPtr |= PXE_BOOT_LAYER_CREDENTIAL_FLAG;\r | |
2480 | } else {\r | |
2481 | *LayerPtr &= PXE_BOOT_LAYER_MASK;\r | |
2482 | }\r | |
2483 | \r | |
2484 | for (Private->Timeout = 1;\r | |
2485 | Private->Timeout < 5;\r | |
2486 | Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Private->Timeout\r | |
2487 | ) {\r | |
2488 | InitDhcpv4TxBuf (Private);\r | |
2489 | //\r | |
2490 | // initialize DHCP message structure\r | |
2491 | //\r | |
2492 | DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r | |
2493 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
2494 | CopyMem (\r | |
2495 | &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2496 | &PxebcMode->StationIp,\r | |
2497 | sizeof DHCPV4_TRANSMIT_BUFFER.ciaddr\r | |
2498 | );\r | |
2499 | \r | |
2500 | DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r | |
2501 | DISCOVERoptions.Header.OpCode = OP_VENDOR_SPECIFIC;\r | |
2502 | DISCOVERoptions.BootItem.Header.OpCode = VEND_PXE_BOOT_ITEM;\r | |
2503 | DISCOVERoptions.BootItem.Header.Length = DHCPV4_OPTION_LENGTH (PXE_OP_BOOT_ITEM);\r | |
2504 | DISCOVERoptions.BootItem.Type = HTONS (Type);\r | |
2505 | DISCOVERoptions.BootItem.Layer = HTONS (*LayerPtr);\r | |
2506 | \r | |
2507 | if (UseBis) {\r | |
2508 | EFI_BIS_PROTOCOL *BisPtr;\r | |
2509 | BIS_APPLICATION_HANDLE BisAppHandle;\r | |
2510 | EFI_BIS_DATA *BisDataSigInfo;\r | |
2511 | EFI_BIS_SIGNATURE_INFO *BisSigInfo;\r | |
2512 | UINTN Index;\r | |
2513 | UINTN Index2;\r | |
2514 | \r | |
2515 | BisPtr = PxebcBisStart (\r | |
2516 | Private,\r | |
2517 | &BisAppHandle,\r | |
2518 | &BisDataSigInfo\r | |
2519 | );\r | |
2520 | \r | |
2521 | if (BisPtr == NULL) {\r | |
2522 | //\r | |
2523 | // %%TBD - In order to get here, BIS must have\r | |
2524 | // been present when PXEBC.Start() was called.\r | |
2525 | // BIS had to be shutdown/removed/damaged\r | |
2526 | // before PXEBC.Discover() was called.\r | |
2527 | // Do we need to document a specific error\r | |
2528 | // for this case?\r | |
2529 | //\r | |
2530 | return EFI_OUT_OF_RESOURCES;\r | |
2531 | }\r | |
2532 | //\r | |
2533 | // Compute number of credential types.\r | |
2534 | //\r | |
2535 | Index2 = BisDataSigInfo->Length / sizeof (EFI_BIS_SIGNATURE_INFO);\r | |
2536 | \r | |
2537 | DISCREDoptions.Header.OpCode = VEND_PXE_CREDENTIAL_TYPES;\r | |
2538 | \r | |
2539 | DISCREDoptions.Header.Length = (UINT8) (Index2 * sizeof (PXE_CREDENTIAL));\r | |
2540 | \r | |
2541 | OpLen = (UINT8) (DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS) + sizeof (DHCPV4_OP_HEADER) + DISCREDoptions.Header.Length);\r | |
2542 | \r | |
2543 | BisSigInfo = (EFI_BIS_SIGNATURE_INFO *) BisDataSigInfo->Data;\r | |
2544 | \r | |
2545 | for (Index = 0; Index < Index2; ++Index) {\r | |
2546 | UINT32 x;\r | |
2547 | \r | |
2548 | CopyMem (&x, &BisSigInfo[Index], sizeof x);\r | |
2549 | x = HTONL (x);\r | |
2550 | CopyMem (&DISCREDoptions.Credentials[Index], &x, sizeof x);\r | |
2551 | }\r | |
2552 | \r | |
2553 | PxebcBisStop (BisPtr, BisAppHandle, BisDataSigInfo);\r | |
2554 | } else {\r | |
2555 | OpLen = DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS);\r | |
2556 | }\r | |
2557 | \r | |
2558 | DISCOVERoptions.Header.Length = OpLen;\r | |
2559 | \r | |
2560 | ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen - 1] = OP_END;\r | |
2561 | ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen] = OP_END;\r | |
2562 | \r | |
2563 | StatCode = DoUdpWrite (\r | |
2564 | Private,\r | |
2565 | DestPtr,\r | |
2566 | &ServerPort,\r | |
2567 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2568 | &ClientPort\r | |
2569 | );\r | |
2570 | \r | |
2571 | if (StatCode != EFI_SUCCESS) {\r | |
2572 | return StatCode;\r | |
2573 | }\r | |
2574 | //\r | |
2575 | //\r | |
2576 | //\r | |
2577 | StatCode = gBS->CreateEvent (\r | |
2578 | EVT_TIMER,\r | |
2579 | TPL_CALLBACK,\r | |
2580 | NULL,\r | |
2581 | NULL,\r | |
2582 | &TimeoutEvent\r | |
2583 | );\r | |
2584 | \r | |
2585 | if (EFI_ERROR (StatCode)) {\r | |
2586 | return StatCode;\r | |
2587 | }\r | |
2588 | \r | |
2589 | StatCode = gBS->SetTimer (\r | |
2590 | TimeoutEvent,\r | |
2591 | TimerRelative,\r | |
2592 | Private->Timeout * 10000000 + 1000000\r | |
2593 | );\r | |
2594 | \r | |
2595 | if (EFI_ERROR (StatCode)) {\r | |
2596 | gBS->CloseEvent (TimeoutEvent);\r | |
2597 | return StatCode;\r | |
2598 | }\r | |
2599 | //\r | |
2600 | // wait for ACK\r | |
2601 | //\r | |
2602 | for (;;) {\r | |
2603 | DHCP_RECEIVE_BUFFER *RxBufPtr;\r | |
2604 | UINT16 TmpType;\r | |
2605 | UINT16 TmpLayer;\r | |
2606 | \r | |
2607 | RxBufPtr = UseBis ? &PXE_BIS_BUFFER : &PXE_ACK_BUFFER;\r | |
2608 | ZeroMem (&Private->ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
2609 | \r | |
2610 | if (GetOfferAck (\r | |
2611 | Private,\r | |
2612 | AckEdit,\r | |
2613 | OpFlags,\r | |
2614 | (EFI_IP_ADDRESS *) &Private->ServerIp,\r | |
2615 | 0,\r | |
2616 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2617 | &ClientPort,\r | |
2618 | RxBufPtr,\r | |
2619 | TimeoutEvent\r | |
2620 | ) != EFI_SUCCESS) {\r | |
2621 | break;\r | |
2622 | }\r | |
2623 | //\r | |
2624 | // check type of response - need PXEClient DHCPACK of proper type with bootfile\r | |
2625 | //\r | |
2626 | if (!(RxBufPtr->OpAdds.Status & PXE_TYPE) ||\r | |
2627 | (UseBis && (RxBufPtr->OpAdds.Status & USE_THREE_BYTE)) ||\r | |
2628 | !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] ||\r | |
2629 | !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1] ||\r | |
2630 | !InServerList((EFI_IP_ADDRESS *)&((DHCPV4_OP_SERVER_IP *)RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX-1])->Ip, ServerListPtr)) {\r | |
2631 | \r | |
2632 | continue;\r | |
2633 | }\r | |
2634 | \r | |
2635 | TmpType = TmpLayer = 0;\r | |
2636 | \r | |
2637 | if (RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r | |
2638 | TmpType = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Type);\r | |
2639 | \r | |
2640 | if (RxBufPtr->OpAdds.Status & USE_THREE_BYTE) {\r | |
2641 | TmpLayer = (UINT16) (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer >> 8);\r | |
2642 | } else {\r | |
2643 | TmpLayer = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer);\r | |
2644 | }\r | |
2645 | }\r | |
2646 | \r | |
2647 | if (TmpType != Type) {\r | |
2648 | continue;\r | |
2649 | }\r | |
2650 | \r | |
2651 | if (UseBis) {\r | |
2652 | if (!RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]) {\r | |
2653 | continue;\r | |
2654 | }\r | |
2655 | \r | |
2656 | if (!VerifyCredentialOption (\r | |
2657 | (UINT8 *) &DISCREDoptions.Header,\r | |
2658 | (UINT8 *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]\r | |
2659 | )) {\r | |
2660 | continue;\r | |
2661 | }\r | |
2662 | }\r | |
2663 | \r | |
2664 | *LayerPtr = TmpLayer;\r | |
2665 | \r | |
2666 | if (UseBis) {\r | |
2667 | CopyMem (\r | |
2668 | &PxebcMode->PxeBisReply,\r | |
2669 | &RxBufPtr->u.Dhcpv4,\r | |
2670 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2671 | );\r | |
2672 | \r | |
2673 | PxebcMode->PxeBisReplyReceived = TRUE;\r | |
2674 | \r | |
2675 | StatCode = DoDiscover (\r | |
2676 | Private,\r | |
2677 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2678 | Type,\r | |
2679 | LayerPtr,\r | |
2680 | FALSE,\r | |
2681 | &Private->ServerIp,\r | |
2682 | 0\r | |
2683 | );\r | |
2684 | \r | |
2685 | gBS->CloseEvent (TimeoutEvent);\r | |
2686 | return StatCode;\r | |
2687 | }\r | |
2688 | \r | |
2689 | PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = TRUE;\r | |
2690 | \r | |
2691 | CopyMem (\r | |
2692 | &PxebcMode->PxeDiscover,\r | |
2693 | &*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r | |
2694 | sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER)\r | |
2695 | );\r | |
2696 | \r | |
2697 | CopyMem (\r | |
2698 | &PxebcMode->PxeReply,\r | |
2699 | &*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4,\r | |
2700 | sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4)\r | |
2701 | );\r | |
2702 | \r | |
2703 | AddRouters (Private, RxBufPtr);\r | |
2704 | \r | |
2705 | gBS->CloseEvent (TimeoutEvent);\r | |
2706 | return EFI_SUCCESS;\r | |
2707 | }\r | |
2708 | \r | |
2709 | gBS->CloseEvent (TimeoutEvent);\r | |
2710 | }\r | |
2711 | //\r | |
2712 | // end for loop\r | |
2713 | //\r | |
2714 | return EFI_TIMEOUT;\r | |
2715 | }\r | |
2716 | \r | |
2717 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2718 | \r | |
2719 | /**\r | |
2720 | Parameters:\r | |
2721 | Private := Pointer to PxeBc interface\r | |
2722 | Type :=\r | |
2723 | LayerPtr :=\r | |
2724 | UseBis :=\r | |
2725 | DiscoverInfoPtr :=\r | |
2726 | McastServerListPtr :=\r | |
2727 | ServerListPtr :=\r | |
2728 | \r | |
2729 | \r | |
2730 | **/\r | |
2731 | STATIC\r | |
2732 | EFI_STATUS\r | |
2733 | Discover (\r | |
2734 | PXE_BASECODE_DEVICE *Private,\r | |
2735 | IN UINT16 Type,\r | |
2736 | IN UINT16 *LayerPtr,\r | |
2737 | IN BOOLEAN UseBis,\r | |
2738 | IN EFI_PXE_BASE_CODE_DISCOVER_INFO *DiscoverInfoPtr,\r | |
2739 | PXE_SERVER_LISTS *McastServerListPtr,\r | |
2740 | PXE_SERVER_LISTS *ServerListPtr\r | |
2741 | )\r | |
2742 | {\r | |
2743 | EFI_IP_ADDRESS DestIp;\r | |
2744 | EFI_STATUS StatCode;\r | |
2745 | \r | |
2746 | DEBUG ((DEBUG_INFO, "\nDiscover() Type=%d Layer=%d ", Type, *LayerPtr));\r | |
2747 | \r | |
2748 | if (UseBis) {\r | |
2749 | DEBUG ((DEBUG_INFO, "BIS "));\r | |
2750 | }\r | |
2751 | //\r | |
2752 | // get dest IP addr - mcast, bcast, or unicast\r | |
2753 | //\r | |
2754 | if (DiscoverInfoPtr->UseMCast) {\r | |
2755 | DestIp.v4 = DiscoverInfoPtr->ServerMCastIp.v4;\r | |
2756 | \r | |
2757 | DEBUG (\r | |
2758 | (DEBUG_INFO,\r | |
2759 | "\nDiscover() MCast %d.%d.%d.%d ",\r | |
2760 | DestIp.v4.Addr[0],\r | |
2761 | DestIp.v4.Addr[1],\r | |
2762 | DestIp.v4.Addr[2],\r | |
2763 | DestIp.v4.Addr[3])\r | |
2764 | );\r | |
2765 | \r | |
2766 | if ((StatCode = DoDiscover (\r | |
2767 | Private,\r | |
2768 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2769 | Type,\r | |
2770 | LayerPtr,\r | |
2771 | UseBis,\r | |
2772 | &DestIp,\r | |
2773 | McastServerListPtr\r | |
2774 | )) != EFI_TIMEOUT) {\r | |
2775 | DEBUG (\r | |
2776 | (DEBUG_WARN,\r | |
2777 | "\nDiscover() status == %r (%Xh)",\r | |
2778 | StatCode,\r | |
2779 | StatCode)\r | |
2780 | );\r | |
2781 | \r | |
2782 | return StatCode;\r | |
2783 | }\r | |
2784 | }\r | |
2785 | \r | |
2786 | if (DiscoverInfoPtr->UseBCast) {\r | |
2787 | DEBUG ((DEBUG_INFO, "\nDiscver() BCast "));\r | |
2788 | \r | |
2789 | if ((StatCode = DoDiscover (\r | |
2790 | Private,\r | |
2791 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2792 | Type,\r | |
2793 | LayerPtr,\r | |
2794 | UseBis,\r | |
2795 | &BroadcastIP,\r | |
2796 | McastServerListPtr\r | |
2797 | )) != EFI_TIMEOUT) {\r | |
2798 | \r | |
2799 | DEBUG ((DEBUG_WARN, "\nDiscover() status == %r (%Xh)", StatCode, StatCode));\r | |
2800 | \r | |
2801 | return StatCode;\r | |
2802 | }\r | |
2803 | }\r | |
2804 | \r | |
2805 | if (DiscoverInfoPtr->UseUCast) {\r | |
2806 | UINTN Index;\r | |
2807 | \r | |
2808 | DEBUG (\r | |
2809 | (DEBUG_INFO,\r | |
2810 | "\nDiscover() UCast IP#=%d ",\r | |
2811 | ServerListPtr->Ipv4List.IpCount)\r | |
2812 | );\r | |
2813 | \r | |
2814 | for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r | |
2815 | CopyMem (&DestIp, &ServerListPtr->Ipv4List.IpList[Index], 4);\r | |
2816 | \r | |
2817 | DEBUG (\r | |
2818 | (DEBUG_INFO,\r | |
2819 | "\nDiscover() UCast %d.%d.%d.%d ",\r | |
2820 | DestIp.v4.Addr[0],\r | |
2821 | DestIp.v4.Addr[1],\r | |
2822 | DestIp.v4.Addr[2],\r | |
2823 | DestIp.v4.Addr[3])\r | |
2824 | );\r | |
2825 | \r | |
2826 | if ((StatCode = DoDiscover (\r | |
2827 | Private,\r | |
2828 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2829 | Type,\r | |
2830 | LayerPtr,\r | |
2831 | UseBis,\r | |
2832 | &DestIp,\r | |
2833 | 0\r | |
2834 | )) != EFI_TIMEOUT) {\r | |
2835 | DEBUG (\r | |
2836 | (DEBUG_WARN,\r | |
2837 | "\nDiscover() status == %r (%Xh)",\r | |
2838 | StatCode,\r | |
2839 | StatCode)\r | |
2840 | );\r | |
2841 | \r | |
2842 | return StatCode;\r | |
2843 | }\r | |
2844 | }\r | |
2845 | }\r | |
2846 | \r | |
2847 | DEBUG ((DEBUG_WARN, "\nDiscover() TIMEOUT"));\r | |
2848 | \r | |
2849 | return EFI_TIMEOUT;\r | |
2850 | }\r | |
2851 | \r | |
2852 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2853 | \r | |
2854 | /* BcDiscover()\r | |
2855 | */\r | |
2856 | \r | |
2857 | /**\r | |
2858 | \r | |
2859 | \r | |
2860 | **/\r | |
2861 | EFI_STATUS\r | |
2862 | EFIAPI\r | |
2863 | BcDiscover (\r | |
2864 | IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r | |
2865 | IN UINT16 Type,\r | |
2866 | IN UINT16 *LayerPtr,\r | |
2867 | IN BOOLEAN UseBis,\r | |
2868 | IN EFI_PXE_BASE_CODE_DISCOVER_INFO * DiscoverInfoPtr OPTIONAL\r | |
2869 | )\r | |
2870 | {\r | |
2871 | EFI_PXE_BASE_CODE_DISCOVER_INFO DefaultInfo;\r | |
2872 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2873 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
2874 | PXE_SERVER_LISTS DefaultSrvList;\r | |
2875 | PXE_SERVER_LISTS *ServerListPtr;\r | |
2876 | PXE_SERVER_LISTS *McastServerListPtr;\r | |
2877 | UNION_PTR LocalPtr;\r | |
2878 | UINTN Index;\r | |
2879 | UINTN Index2;\r | |
2880 | BOOLEAN AcquiredSrvList;\r | |
2881 | EFI_STATUS StatCode;\r | |
2882 | PXE_BASECODE_DEVICE *Private;\r | |
2883 | \r | |
2884 | //\r | |
2885 | // Lock the instance data and make sure started\r | |
2886 | //\r | |
2887 | StatCode = EFI_SUCCESS;\r | |
2888 | \r | |
2889 | if (This == NULL) {\r | |
2890 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
2891 | return EFI_INVALID_PARAMETER;\r | |
2892 | }\r | |
2893 | \r | |
2894 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
2895 | \r | |
2896 | if (Private == NULL) {\r | |
2897 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
2898 | return EFI_INVALID_PARAMETER;\r | |
2899 | }\r | |
2900 | \r | |
2901 | EfiAcquireLock (&Private->Lock);\r | |
2902 | \r | |
2903 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
2904 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
2905 | EfiReleaseLock (&Private->Lock);\r | |
2906 | return EFI_NOT_STARTED;\r | |
2907 | }\r | |
2908 | \r | |
2909 | ServerListPtr = NULL;\r | |
2910 | McastServerListPtr = NULL;\r | |
2911 | AcquiredSrvList = FALSE;\r | |
2912 | \r | |
2913 | PxebcMode = Private->EfiBc.Mode;\r | |
2914 | \r | |
2915 | if (!GetMem (Private)) {\r | |
2916 | EfiReleaseLock (&Private->Lock);\r | |
2917 | return EFI_OUT_OF_RESOURCES;\r | |
2918 | }\r | |
2919 | \r | |
2920 | if (UseBis) {\r | |
2921 | if (!PxebcMode->BisSupported) {\r | |
2922 | EfiReleaseLock (&Private->Lock);\r | |
2923 | return EFI_INVALID_PARAMETER;\r | |
2924 | }\r | |
2925 | }\r | |
2926 | \r | |
2927 | Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DISCOVER;\r | |
2928 | \r | |
2929 | if (Private->TotalSeconds == 0) {\r | |
2930 | //\r | |
2931 | // put in seconds field of DHCP send packets\r | |
2932 | //\r | |
2933 | Private->TotalSeconds = 4;\r | |
2934 | }\r | |
2935 | \r | |
2936 | ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));\r | |
2937 | \r | |
2938 | //\r | |
2939 | // if layer number not zero, use previous discover\r | |
2940 | //\r | |
2941 | if (*LayerPtr != 0) {\r | |
2942 | DEBUG ((DEBUG_WARN, "\nBcDiscover() layer != 0"));\r | |
2943 | \r | |
2944 | if (DiscoverInfoPtr != NULL) {\r | |
2945 | DEBUG ((DEBUG_WARN, "\nBcDiscover() layer != 0 && DiscoverInfoPtr != NULL\n"));\r | |
2946 | \r | |
2947 | EfiReleaseLock (&Private->Lock);\r | |
2948 | return EFI_INVALID_PARAMETER;\r | |
2949 | }\r | |
2950 | \r | |
2951 | if (!PxebcMode->PxeDiscoverValid) {\r | |
2952 | DEBUG ((DEBUG_WARN, "\nBcDiscover() layer != 0 && PxeDiscoverValid == 0\n"));\r | |
2953 | \r | |
2954 | EfiReleaseLock (&Private->Lock);\r | |
2955 | return EFI_INVALID_PARAMETER;\r | |
2956 | }\r | |
2957 | \r | |
2958 | if (!PxebcMode->PxeReplyReceived) {\r | |
2959 | DEBUG ((DEBUG_WARN, "\nBcDiscover() layer != 0 && PxeReplyReceived == 0\n"));\r | |
2960 | \r | |
2961 | EfiReleaseLock (&Private->Lock);\r | |
2962 | return EFI_INVALID_PARAMETER;\r | |
2963 | }\r | |
2964 | \r | |
2965 | if (UseBis && !PxebcMode->PxeBisReplyReceived) {\r | |
2966 | DEBUG ((DEBUG_WARN, "\nBcDiscover() layer != 0 && PxeBisReplyReceived == 0\n"));\r | |
2967 | \r | |
2968 | EfiReleaseLock (&Private->Lock);\r | |
2969 | return EFI_INVALID_PARAMETER;\r | |
2970 | }\r | |
2971 | \r | |
2972 | DefaultInfo.UseUCast = TRUE;\r | |
2973 | DiscoverInfoPtr = &DefaultInfo;\r | |
2974 | \r | |
2975 | DefaultSrvList.Ipv4List.IpCount = 1;\r | |
2976 | CopyMem (&DefaultSrvList.Ipv4List.IpList[0], &Private->ServerIp, 4);\r | |
2977 | \r | |
2978 | ServerListPtr = &DefaultSrvList;\r | |
2979 | }\r | |
2980 | //\r | |
2981 | // layer is zero - see if info is supplied or if we need to use info from a cached offer\r | |
2982 | //\r | |
2983 | else if (!DiscoverInfoPtr) {\r | |
2984 | //\r | |
2985 | // not supplied - generate it\r | |
2986 | // make sure that there is cached, appropriate information\r | |
2987 | // if neither DhcpAck packet nor ProxyOffer packet has pxe info, fail\r | |
2988 | //\r | |
2989 | DhcpRxBuf = (PxebcMode->ProxyOfferReceived) ? &PXE_OFFER_BUFFER : &DHCPV4_ACK_BUFFER;\r | |
2990 | \r | |
2991 | if (!PxebcMode->DhcpAckReceived || !(DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE)) {\r | |
2992 | DEBUG ((DEBUG_WARN, "\nBcDiscover() !ack && !proxy"));\r | |
2993 | EfiReleaseLock (&Private->Lock);\r | |
2994 | return EFI_INVALID_PARAMETER;\r | |
2995 | }\r | |
2996 | \r | |
2997 | DiscoverInfoPtr = &DefaultInfo;\r | |
2998 | \r | |
2999 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r | |
3000 | \r | |
3001 | //\r | |
3002 | // if multicast enabled, need multicast address\r | |
3003 | //\r | |
3004 | if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST)) {\r | |
3005 | DefaultInfo.UseMCast = TRUE;\r | |
3006 | \r | |
3007 | CopyMem (\r | |
3008 | ((EFI_IPv4_ADDRESS *) &DefaultInfo.ServerMCastIp),\r | |
3009 | &((DHCPV4_OP_IP_ADDRESS *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1])->Ip,\r | |
3010 | sizeof (EFI_IPv4_ADDRESS)\r | |
3011 | );\r | |
3012 | }\r | |
3013 | \r | |
3014 | DefaultInfo.UseBCast = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & DISABLE_BCAST) == 0);\r | |
3015 | \r | |
3016 | DefaultInfo.MustUseList = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) != 0);\r | |
3017 | \r | |
3018 | DefaultInfo.UseUCast = (BOOLEAN)\r | |
3019 | (\r | |
3020 | (DefaultInfo.MustUseList) ||\r | |
3021 | ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r | |
3022 | );\r | |
3023 | \r | |
3024 | if ((DefaultInfo.UseUCast | DefaultInfo.MustUseList) && !ExtractBootServerList (\r | |
3025 | Type,\r | |
3026 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1],\r | |
3027 | &ServerListPtr\r | |
3028 | )) {\r | |
3029 | DEBUG ((DEBUG_WARN, "\nBcDiscover() type not in list"));\r | |
3030 | EfiReleaseLock (&Private->Lock);\r | |
3031 | return EFI_INVALID_PARAMETER;\r | |
3032 | }\r | |
3033 | }\r | |
3034 | //\r | |
3035 | // Info supplied - make SrvList if required\r | |
3036 | // if we use ucast discovery or must use list, there better be one\r | |
3037 | //\r | |
3038 | else if (DiscoverInfoPtr->UseUCast || DiscoverInfoPtr->MustUseList) {\r | |
3039 | //\r | |
3040 | // there better be a list\r | |
3041 | //\r | |
3042 | if (DiscoverInfoPtr->IpCnt == 0) {\r | |
3043 | DEBUG ((DEBUG_WARN, "\nBcDiscover() no bootserver list"));\r | |
3044 | EfiReleaseLock (&Private->Lock);\r | |
3045 | return EFI_INVALID_PARAMETER;\r | |
3046 | }\r | |
3047 | //\r | |
3048 | // get its size\r | |
3049 | //\r | |
3050 | for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r | |
3051 | if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r | |
3052 | if (DiscoverInfoPtr->SrvList[Index].AcceptAnyResponse) {\r | |
3053 | if (Index2 != 0) {\r | |
3054 | DEBUG ((DEBUG_WARN, "\nBcDiscover() accept any?"));\r | |
3055 | EfiReleaseLock (&Private->Lock);\r | |
3056 | return EFI_INVALID_PARAMETER;\r | |
3057 | } else {\r | |
3058 | Index2 = 1;\r | |
3059 | DefaultSrvList.Ipv4List.IpCount = 0;\r | |
3060 | ServerListPtr = &DefaultSrvList;\r | |
3061 | break;\r | |
3062 | }\r | |
3063 | } else {\r | |
3064 | ++Index2;\r | |
3065 | }\r | |
3066 | }\r | |
3067 | }\r | |
3068 | \r | |
3069 | if (Index2 == 0) {\r | |
3070 | DEBUG ((DEBUG_WARN, "\nBcDiscover() !Index2?"));\r | |
3071 | EfiReleaseLock (&Private->Lock);\r | |
3072 | return EFI_INVALID_PARAMETER;\r | |
3073 | }\r | |
3074 | \r | |
3075 | if (ServerListPtr == NULL) {\r | |
3076 | ServerListPtr = AllocatePool (\r | |
3077 | sizeof (PXEV4_SERVER_LIST) + (Index2 - 1) * sizeof (EFI_IPv4_ADDRESS)\r | |
3078 | );\r | |
3079 | \r | |
3080 | if (ServerListPtr == NULL) {\r | |
3081 | EfiReleaseLock (&Private->Lock);\r | |
3082 | return EFI_OUT_OF_RESOURCES;\r | |
3083 | }\r | |
3084 | //\r | |
3085 | // build an array of IP addresses from the server list\r | |
3086 | //\r | |
3087 | AcquiredSrvList = TRUE;\r | |
3088 | ServerListPtr->Ipv4List.IpCount = (UINT8) Index2;\r | |
3089 | \r | |
3090 | for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r | |
3091 | if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r | |
3092 | CopyMem (\r | |
3093 | &ServerListPtr->Ipv4List.IpList[Index2++],\r | |
3094 | &DiscoverInfoPtr->SrvList[Index].IpAddr.v4,\r | |
3095 | sizeof ServerListPtr->Ipv4List.IpList[0]\r | |
3096 | );\r | |
3097 | }\r | |
3098 | }\r | |
3099 | }\r | |
3100 | }\r | |
3101 | \r | |
3102 | if (DiscoverInfoPtr->MustUseList) {\r | |
3103 | McastServerListPtr = ServerListPtr;\r | |
3104 | }\r | |
3105 | \r | |
3106 | if (!(DiscoverInfoPtr->UseMCast || DiscoverInfoPtr->UseBCast || DiscoverInfoPtr->UseUCast)) {\r | |
3107 | DEBUG ((DEBUG_WARN, "\nBcDiscover() Nothing to use!\n"));\r | |
3108 | \r | |
3109 | EfiReleaseLock (&Private->Lock);\r | |
3110 | return EFI_INVALID_PARAMETER;\r | |
3111 | }\r | |
3112 | \r | |
3113 | PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = PxebcMode->PxeBisReplyReceived = FALSE;\r | |
3114 | \r | |
3115 | StatCode = Discover (\r | |
3116 | Private,\r | |
3117 | Type,\r | |
3118 | LayerPtr,\r | |
3119 | UseBis,\r | |
3120 | DiscoverInfoPtr,\r | |
3121 | McastServerListPtr,\r | |
3122 | ServerListPtr\r | |
3123 | );\r | |
3124 | \r | |
3125 | if (AcquiredSrvList) {\r | |
3126 | gBS->FreePool (ServerListPtr);\r | |
3127 | }\r | |
3128 | \r | |
3129 | FreeMem (Private);\r | |
3130 | \r | |
3131 | //\r | |
3132 | // Unlock the instance data\r | |
3133 | //\r | |
3134 | DEBUG (\r | |
3135 | (DEBUG_INFO,\r | |
3136 | "\nBcDiscover() status == %r (%Xh)\n",\r | |
3137 | StatCode,\r | |
3138 | StatCode)\r | |
3139 | );\r | |
3140 | \r | |
3141 | EfiReleaseLock (&Private->Lock);\r | |
3142 | return StatCode;\r | |
3143 | }\r | |
3144 | \r | |
3145 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
3146 | \r | |
3147 | /**\r | |
3148 | \r | |
3149 | \r | |
3150 | **/\r | |
3151 | EFI_STATUS\r | |
3152 | EFIAPI\r | |
3153 | BcSetPackets (\r | |
3154 | IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r | |
3155 | BOOLEAN *NewDhcpDiscoverValid, OPTIONAL\r | |
3156 | BOOLEAN *NewDhcpAckReceived, OPTIONAL\r | |
3157 | BOOLEAN *NewProxyOfferReceived, OPTIONAL\r | |
3158 | BOOLEAN *NewPxeDiscoverValid, OPTIONAL\r | |
3159 | BOOLEAN *NewPxeReplyReceived, OPTIONAL\r | |
3160 | BOOLEAN *NewPxeBisReplyReceived, OPTIONAL\r | |
3161 | IN EFI_PXE_BASE_CODE_PACKET * NewDhcpDiscover, OPTIONAL\r | |
3162 | IN EFI_PXE_BASE_CODE_PACKET * NewDhcpAck, OPTIONAL\r | |
3163 | IN EFI_PXE_BASE_CODE_PACKET * NewProxyOffer, OPTIONAL\r | |
3164 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeDiscover, OPTIONAL\r | |
3165 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeReply, OPTIONAL\r | |
3166 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeBisReply OPTIONAL\r | |
3167 | )\r | |
3168 | {\r | |
3169 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
3170 | EFI_STATUS Status;\r | |
772db4bb | 3171 | PXE_BASECODE_DEVICE *Private;\r |
3172 | \r | |
3173 | //\r | |
3174 | // Lock the instance data and make sure started\r | |
3175 | //\r | |
772db4bb | 3176 | \r |
3177 | if (This == NULL) {\r | |
3178 | DEBUG ((DEBUG_ERROR, "BC *This pointer == NULL"));\r | |
3179 | return EFI_INVALID_PARAMETER;\r | |
3180 | }\r | |
3181 | \r | |
3182 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
3183 | \r | |
3184 | if (Private == NULL) {\r | |
3185 | DEBUG ((DEBUG_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
3186 | return EFI_INVALID_PARAMETER;\r | |
3187 | }\r | |
3188 | \r | |
3189 | EfiAcquireLock (&Private->Lock);\r | |
3190 | \r | |
3191 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
3192 | DEBUG ((DEBUG_ERROR, "BC was not started."));\r | |
3193 | EfiReleaseLock (&Private->Lock);\r | |
3194 | return EFI_NOT_STARTED;\r | |
3195 | }\r | |
3196 | \r | |
3197 | PxebcMode = Private->EfiBc.Mode;\r | |
3198 | \r | |
3199 | if (Private->DhcpPacketBuffer == NULL) {\r | |
3200 | Status = gBS->AllocatePool (\r | |
3201 | EfiBootServicesData,\r | |
3202 | sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1),\r | |
3203 | &Private->DhcpPacketBuffer\r | |
3204 | );\r | |
3205 | \r | |
3206 | if (EFI_ERROR (Status) || Private->DhcpPacketBuffer == NULL) {\r | |
3207 | Private->DhcpPacketBuffer = NULL;\r | |
3208 | EfiReleaseLock (&Private->Lock);\r | |
3209 | return EFI_OUT_OF_RESOURCES;\r | |
3210 | }\r | |
3211 | }\r | |
3212 | //\r | |
3213 | // Issue BC command\r | |
3214 | //\r | |
3215 | //\r | |
3216 | // reset\r | |
3217 | //\r | |
3218 | Private->FileSize = 0;\r | |
3219 | if (NewDhcpDiscoverValid != NULL) {\r | |
3220 | PxebcMode->DhcpDiscoverValid = *NewDhcpDiscoverValid;\r | |
3221 | }\r | |
3222 | \r | |
3223 | if (NewDhcpAckReceived != NULL) {\r | |
3224 | PxebcMode->DhcpAckReceived = *NewDhcpAckReceived;\r | |
3225 | }\r | |
3226 | \r | |
3227 | if (NewProxyOfferReceived != NULL) {\r | |
3228 | PxebcMode->ProxyOfferReceived = *NewProxyOfferReceived;\r | |
3229 | }\r | |
3230 | \r | |
3231 | if (NewPxeDiscoverValid != NULL) {\r | |
3232 | PxebcMode->PxeDiscoverValid = *NewPxeDiscoverValid;\r | |
3233 | }\r | |
3234 | \r | |
3235 | if (NewPxeReplyReceived != NULL) {\r | |
3236 | PxebcMode->PxeReplyReceived = *NewPxeReplyReceived;\r | |
3237 | }\r | |
3238 | \r | |
3239 | if (NewPxeBisReplyReceived != NULL) {\r | |
3240 | PxebcMode->PxeBisReplyReceived = *NewPxeBisReplyReceived;\r | |
3241 | }\r | |
3242 | \r | |
3243 | if (NewDhcpDiscover != NULL) {\r | |
3244 | CopyMem (\r | |
3245 | &PxebcMode->DhcpDiscover,\r | |
3246 | NewDhcpDiscover,\r | |
3247 | sizeof *NewDhcpDiscover\r | |
3248 | );\r | |
3249 | }\r | |
3250 | \r | |
3251 | if (NewDhcpAck != NULL) {\r | |
3252 | CopyParse (Private, &PxebcMode->DhcpAck, NewDhcpAck, DHCPV4_ACK_INDEX);\r | |
3253 | }\r | |
3254 | \r | |
3255 | if (NewProxyOffer != NULL) {\r | |
3256 | CopyParse (Private, &PxebcMode->ProxyOffer, NewProxyOffer, PXE_OFFER_INDEX);\r | |
3257 | }\r | |
3258 | \r | |
3259 | if (NewPxeDiscover != NULL) {\r | |
3260 | CopyMem (\r | |
3261 | &PxebcMode->PxeDiscover,\r | |
3262 | NewPxeDiscover,\r | |
3263 | sizeof *NewPxeDiscover\r | |
3264 | );\r | |
3265 | }\r | |
3266 | \r | |
3267 | if (NewPxeReply != NULL) {\r | |
3268 | CopyParse (Private, &PxebcMode->PxeReply, NewPxeReply, PXE_ACK_INDEX);\r | |
3269 | }\r | |
3270 | \r | |
3271 | if (NewPxeBisReply != NULL) {\r | |
3272 | CopyParse (Private, &PxebcMode->PxeBisReply, NewPxeBisReply, PXE_BIS_INDEX);\r | |
3273 | }\r | |
3274 | //\r | |
3275 | // Unlock the instance data\r | |
3276 | //\r | |
3277 | EfiReleaseLock (&Private->Lock);\r | |
3278 | return EFI_SUCCESS;\r | |
3279 | }\r | |
3280 | \r | |
3281 | /* eof - pxe_bc_dhcp.c */\r |