Commit | Line | Data |
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878ddf1f | 1 | /*++\r |
2 | \r | |
26aa0c2f | 3 | Copyright (c) 2006 - 2007, Intel Corporation\r |
3aaddf92 | 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 | |
878ddf1f | 11 | \r |
12 | Module Name:\r | |
13 | pxe_bc_dhcp.c\r | |
3aaddf92 | 14 | \r |
878ddf1f | 15 | Abstract:\r |
16 | DHCP and PXE discovery protocol implementations.\r | |
17 | \r | |
18 | --*/\r | |
19 | \r | |
20 | \r | |
4cbd855e | 21 | #include "Bc.h"\r |
878ddf1f | 22 | \r |
23 | STATIC EFI_PXE_BASE_CODE_UDP_PORT DhcpServerPort = DHCP_SERVER_PORT;\r | |
24 | STATIC EFI_PXE_BASE_CODE_UDP_PORT DHCPClientPort = DHCP_CLIENT_PORT;\r | |
25 | STATIC EFI_PXE_BASE_CODE_UDP_PORT PseudoDhcpServerPort = PXE_DISCOVERY_PORT;\r | |
26 | #define PSEUDO_DHCP_CLIENT_PORT PseudoDhcpServerPort\r | |
27 | STATIC EFI_IP_ADDRESS BroadcastIP = { { 0xffffffff } };\r | |
28 | STATIC EFI_IP_ADDRESS DefaultSubnetMask = { { 0xffffff00 } };\r | |
29 | \r | |
30 | typedef union {\r | |
31 | DHCPV4_OP_STRUCT *OpPtr;\r | |
32 | PXE_OP_SERVER_LIST *BootServersStr;\r | |
33 | PXE_SERVER_LIST *BootServerList;\r | |
34 | PXE_BOOT_MENU_ENTRY *BootMenuItem;\r | |
35 | PXE_OP_DISCOVERY_CONTROL *DiscoveryControl;\r | |
36 | PXE_OP_BOOT_MENU *BootMenu;\r | |
37 | PXE_OP_BOOT_ITEM *BootItem;\r | |
38 | DHCPV4_OP_VENDOR_OPTIONS *VendorOptions;\r | |
39 | DHCPV4_OP_OVERLOAD *Overload;\r | |
40 | DHCPV4_OP_CLASS *PxeClassStr;\r | |
41 | DHCPV4_OP_SUBNET_MASK *SubnetMaskStr;\r | |
42 | DHCPV4_OP_MESSAGE_TYPE *MessageType;\r | |
43 | UINT8 *BytePtr;\r | |
44 | } UNION_PTR;\r | |
45 | \r | |
878ddf1f | 46 | #pragma pack(1)\r |
47 | //\r | |
48 | // option structure for DHCPREQUEST at end of DISCOVER options\r | |
49 | // and for DHCPDECLINE\r | |
50 | //\r | |
51 | STATIC const struct requestopendstr {\r | |
52 | DHCPV4_OP_REQUESTED_IP OpReqIP;\r | |
53 | DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r | |
54 | UINT8 End[1];\r | |
55 | }\r | |
56 | RequestOpEndStr = {\r | |
57 | {\r | |
58 | {\r | |
59 | OP_DHCP_REQ_IP_ADD,\r | |
60 | DHCPV4_OPTION_LENGTH(DHCPV4_OP_REQUESTED_IP)\r | |
61 | }\r | |
62 | },\r | |
63 | {\r | |
64 | {\r | |
65 | OP_DHCP_SERVER_IP,\r | |
66 | DHCPV4_OPTION_LENGTH(DHCPV4_OP_SERVER_IP)\r | |
67 | }\r | |
68 | },\r | |
69 | {\r | |
70 | OP_END\r | |
71 | }\r | |
72 | };\r | |
73 | \r | |
74 | #define DHCP_REQ_OPTIONS (*(struct requestopendstr *) DHCPV4_OPTIONS_BUFFER.End)\r | |
75 | \r | |
76 | PXE_OP_BOOT_ITEM DefaultBootItem = {\r | |
77 | {\r | |
78 | VEND_PXE_BOOT_ITEM,\r | |
79 | DHCPV4_OPTION_LENGTH(PXE_OP_BOOT_ITEM)\r | |
80 | },\r | |
81 | 0, 0,\r | |
82 | };\r | |
83 | \r | |
84 | //\r | |
85 | // PXE discovery control default structure\r | |
86 | //\r | |
87 | STATIC PXE_OP_DISCOVERY_CONTROL DefaultDisCtl = {\r | |
88 | { VEND_PXE_DISCOVERY_CONTROL, DHCPV4_OPTION_LENGTH(PXE_OP_DISCOVERY_CONTROL) },\r | |
89 | 0\r | |
90 | };\r | |
91 | \r | |
92 | //\r | |
93 | // PXE credentials option structure\r | |
94 | //\r | |
95 | typedef struct {\r | |
96 | UINT8 c[4];\r | |
97 | } PXE_CREDENTIAL;\r | |
98 | \r | |
99 | typedef struct {\r | |
100 | DHCPV4_OP_HEADER Header;\r | |
101 | PXE_CREDENTIAL Credentials[1];\r | |
102 | } PXE_OP_CREDENTIAL_TYPES;\r | |
103 | \r | |
104 | //\r | |
105 | // option structure for PXE discover (without credentials)\r | |
106 | //\r | |
107 | typedef struct { // discoveropendstr {\r | |
108 | DHCPV4_OP_HEADER Header; // vendor options\r | |
109 | PXE_OP_BOOT_ITEM BootItem;\r | |
110 | UINT8 End[1]; // if credentials option, it starts here\r | |
111 | } PXE_DISCOVER_OPTIONS;\r | |
112 | \r | |
113 | #define DISCOVERoptions (*(PXE_DISCOVER_OPTIONS *) DHCPV4_OPTIONS_BUFFER.End)\r | |
114 | #define DISCREDoptions (*(PXE_OP_CREDENTIAL_TYPES *) DISCOVERoptions.End)\r | |
115 | \r | |
116 | //\r | |
117 | // common option beginning for all our DHCP messages except\r | |
118 | // DHCPDECLINE and DHCPRELEASE\r | |
119 | //\r | |
120 | STATIC struct optionsstr {\r | |
121 | UINT8 DhcpCookie[4];\r | |
122 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
123 | DHCPV4_OP_MAX_MESSAGE_SIZE DhcpMaxMessageSize;\r | |
124 | DHCPV4_OP_REQUESTED_OPTIONS DhcpRequestedOptions;\r | |
125 | DHCPV4_OP_PLATFORM_ID DhcpPlatformId;\r | |
126 | DHCPV4_OP_NETWORK_INTERFACE DhcpNetworkInterface;\r | |
127 | DHCPV4_OP_ARCHITECTURE_TYPE DhcpClientArchitecture;\r | |
128 | DHCPV4_OP_CLASS_ID DhcpClassIdentifier;\r | |
129 | UINT8 End[1];\r | |
130 | } DHCPOpStart;\r | |
131 | \r | |
132 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
133 | VOID\r | |
134 | OptionsStrucInit (\r | |
135 | VOID\r | |
136 | )\r | |
137 | {\r | |
138 | DHCPOpStart.DhcpCookie[0] = 99;\r | |
139 | DHCPOpStart.DhcpCookie[1] = 130;\r | |
140 | DHCPOpStart.DhcpCookie[2] = 83;\r | |
141 | DHCPOpStart.DhcpCookie[3] = 99;\r | |
142 | DHCPOpStart.DhcpMessageType.Header.OpCode = OP_DHCP_MESSAGE_TYPE;\r | |
143 | DHCPOpStart.DhcpMessageType.Header.Length = 1;\r | |
144 | DHCPOpStart.DhcpMessageType.Type = DHCPDISCOVER;\r | |
145 | DHCPOpStart.DhcpMaxMessageSize.Header.OpCode = OP_DHCP_MAX_MESSAGE_SZ;\r | |
146 | DHCPOpStart.DhcpMaxMessageSize.Header.Length = 2;\r | |
147 | DHCPOpStart.DhcpMaxMessageSize.MaxSize[0] = MAX_DHCP_MSG_SZ >> 8;\r | |
148 | DHCPOpStart.DhcpMaxMessageSize.MaxSize[1] = MAX_DHCP_MSG_SZ & 0xff;\r | |
149 | DHCPOpStart.DhcpRequestedOptions.Header.OpCode = OP_DHCP_PARM_REQ_LIST;\r | |
150 | DHCPOpStart.DhcpRequestedOptions.Header.Length = sizeof (DHCPV4_REQUESTED_OPTIONS_DATA);\r | |
151 | DHCPOpStart.DhcpRequestedOptions.Data._OP_SUBNET_MASK = OP_SUBNET_MASK; /* 1 */\r | |
152 | DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_OFFSET = OP_TIME_OFFSET; /* 2 */\r | |
153 | DHCPOpStart.DhcpRequestedOptions.Data._OP_ROUTER_LIST = OP_ROUTER_LIST; /* 3 */\r | |
154 | DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_SERVERS = OP_TIME_SERVERS; /* 4 */\r | |
155 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NAME_SERVERS = OP_NAME_SERVERS; /* 5 */\r | |
156 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DNS_SERVERS = OP_DNS_SERVERS; /* 6 */\r | |
157 | DHCPOpStart.DhcpRequestedOptions.Data._OP_HOST_NAME = OP_HOST_NAME; /* 12 */\r | |
158 | DHCPOpStart.DhcpRequestedOptions.Data._OP_BOOT_FILE_SZ = OP_BOOT_FILE_SZ; /* 13 */\r | |
159 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DOMAIN_NAME = OP_DOMAIN_NAME; /* 15 */\r | |
160 | DHCPOpStart.DhcpRequestedOptions.Data._OP_ROOT_PATH = OP_ROOT_PATH; /* 17 */\r | |
161 | DHCPOpStart.DhcpRequestedOptions.Data._OP_EXTENSION_PATH = OP_EXTENSION_PATH; /* 18 */\r | |
162 | DHCPOpStart.DhcpRequestedOptions.Data._OP_MAX_DATAGRAM_SZ = OP_MAX_DATAGRAM_SZ; /* 22 */\r | |
163 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DEFAULT_TTL = OP_DEFAULT_TTL; /* 23 */\r | |
164 | DHCPOpStart.DhcpRequestedOptions.Data._OP_BROADCAST_ADD = OP_BROADCAST_ADD; /* 28 */\r | |
165 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_DOMAIN_NAME = OP_NIS_DOMAIN_NAME; /* 40 */\r | |
166 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_SERVERS = OP_NIS_SERVERS; /* 41 */\r | |
167 | DHCPOpStart.DhcpRequestedOptions.Data._OP_NTP_SERVERS = OP_NTP_SERVERS; /* 42 */\r | |
168 | DHCPOpStart.DhcpRequestedOptions.Data._OP_VENDOR_SPECIFIC = OP_VENDOR_SPECIFIC; /* 43 */\r | |
169 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REQ_IP_ADD = OP_DHCP_REQ_IP_ADD; /* 50 */\r | |
170 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_LEASE_TIME = OP_DHCP_LEASE_TIME; /* 51 */\r | |
171 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_SERVER_IP = OP_DHCP_SERVER_IP; /* 54 */\r | |
172 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_RENEWAL_TIME = OP_DHCP_RENEWAL_TIME; /* 58 */\r | |
173 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REBINDING_TIME = OP_DHCP_REBINDING_TIME; /* 59 */\r | |
174 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_CLASS_IDENTIFIER = OP_DHCP_CLASS_IDENTIFIER; /* 60 */\r | |
175 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_TFTP_SERVER_NAME = OP_DHCP_TFTP_SERVER_NAME; /* 66 */\r | |
176 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_BOOTFILE = OP_DHCP_BOOTFILE; /* 67 */\r | |
177 | DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_PLATFORM_ID = OP_DHCP_PLATFORM_ID; /* 97 */\r | |
178 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption128 = 128;\r | |
179 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption129 = 129;\r | |
180 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption130 = 130;\r | |
181 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption131 = 131;\r | |
182 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption132 = 132;\r | |
183 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption133 = 133, DHCPOpStart.DhcpRequestedOptions.Data.VendorOption134 = 134;\r | |
184 | DHCPOpStart.DhcpRequestedOptions.Data.VendorOption135 = 135;\r | |
185 | DHCPOpStart.DhcpPlatformId.Header.OpCode = OP_DHCP_PLATFORM_ID;\r | |
186 | DHCPOpStart.DhcpPlatformId.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_PLATFORM_ID);\r | |
187 | DHCPOpStart.DhcpNetworkInterface.Header.OpCode = OP_DHCP_NETWORK_ARCH;\r | |
188 | DHCPOpStart.DhcpNetworkInterface.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_NETWORK_INTERFACE);\r | |
189 | DHCPOpStart.DhcpNetworkInterface.Type = 0;\r | |
190 | DHCPOpStart.DhcpNetworkInterface.MajorVersion = 0;\r | |
191 | DHCPOpStart.DhcpNetworkInterface.MinorVersion = 0;\r | |
192 | DHCPOpStart.DhcpClientArchitecture.Header.OpCode = OP_DHCP_SYSTEM_ARCH;\r | |
193 | DHCPOpStart.DhcpClientArchitecture.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_ARCHITECTURE_TYPE);\r | |
194 | DHCPOpStart.DhcpClientArchitecture.Type = HTONS (SYS_ARCH);\r | |
195 | DHCPOpStart.DhcpClassIdentifier.Header.OpCode = OP_DHCP_CLASS_IDENTIFIER;\r | |
196 | DHCPOpStart.DhcpClassIdentifier.Header.Length = sizeof (DHCPV4_CLASS_ID_DATA);\r | |
197 | CopyMem (\r | |
198 | DHCPOpStart.DhcpClassIdentifier.Data.ClassIdentifier,\r | |
199 | "PXEClient:",\r | |
200 | sizeof ("PXEClient:")\r | |
201 | );\r | |
202 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit2, "Arch:", sizeof ("Arch:"));\r | |
203 | CopyMem (\r | |
204 | DHCPOpStart.DhcpClassIdentifier.Data.ArchitectureType,\r | |
205 | "xxxxx",\r | |
206 | sizeof ("xxxxx")\r | |
207 | );\r | |
208 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit3, ":", sizeof (":"));\r | |
209 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.InterfaceName, "XXXX", sizeof ("XXXX"));\r | |
210 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit4, ":", sizeof (":"));\r | |
211 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMajor, "yyy", sizeof ("yyy"));\r | |
212 | CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMinor, "xxx", sizeof ("xxx"));\r | |
213 | DHCPOpStart.End[0] = OP_END;\r | |
1cc8ee78 | 214 | }\r |
878ddf1f | 215 | \r |
216 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
217 | \r | |
218 | //\r | |
219 | // DHCPDECLINE option structure\r | |
220 | //\r | |
221 | struct opdeclinestr {\r | |
222 | UINT8 DhcpCookie[4];\r | |
223 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
224 | struct requestopendstr OpDeclineEnd;\r | |
225 | };\r | |
226 | \r | |
227 | #define DHCPDECLINEoptions (*(struct opdeclinestr *) DHCPV4_TRANSMIT_BUFFER.options)\r | |
228 | \r | |
229 | //\r | |
230 | // DHCPRELEASE option structure\r | |
231 | //\r | |
232 | struct opreleasestr {\r | |
233 | UINT8 DhcpCookie[4];\r | |
234 | DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r | |
235 | DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r | |
236 | UINT8 End[1];\r | |
237 | };\r | |
238 | \r | |
239 | #define DHCPRELEASEoptions (*(struct opreleasestr *) DHCPV4_TRANSMIT_BUFFER.options)\r | |
240 | \r | |
241 | //\r | |
242 | // array of PXE vendor options in which we are interested\r | |
243 | // value 0 -> not of interest, else value is index into PXE OPTION array\r | |
244 | // option values from 1 to MAX_OUR_PXE_OPT\r | |
245 | //\r | |
246 | STATIC UINT8 ourPXEopts[MAX_OUR_PXE_OPT] = {\r | |
247 | VEND_PXE_MTFTP_IP_IX, // multicast IP address of bootfile for MTFTP listen\r | |
248 | VEND_PXE_MTFTP_CPORT_IX, // UDP Port to monitor for MTFTP responses - Intel order\r | |
249 | VEND_PXE_MTFTP_SPORT_IX, // Server UDP Port for MTFTP open - Intel order\r | |
250 | VEND_PXE_MTFTP_TMOUT_IX, // Listen timeout - secs\r | |
251 | VEND_PXE_MTFTP_DELAY_IX, // Transmission timeout - secs\r | |
252 | VEND_PXE_DISCOVERY_CONTROL_IX, // bit field\r | |
253 | VEND_PXE_DISCOVERY_MCAST_ADDR_IX, // boot server discovery multicast address\r | |
254 | VEND_PXE_BOOT_SERVERS_IX, // list of boot servers of form tp(2) cnt(1) ips[cnt]\r | |
255 | VEND_PXE_BOOT_MENU_IX,\r | |
256 | VEND_PXE_BOOT_PROMPT_IX,\r | |
257 | VEND_PXE_MCAST_ADDRS_ALLOC_IX, // not used by client\r | |
258 | VEND_PXE_CREDENTIAL_TYPES_IX,\r | |
259 | VEND_13_IX, // not used by client\r | |
260 | VEND_14_IX, // not used by client\r | |
261 | VEND_15_IX, // not used by client\r | |
262 | VEND_16_IX, // not used by client\r | |
263 | VEND_17_IX, // not used by client\r | |
264 | VEND_18_IX, // not used by client\r | |
265 | VEND_19_IX, // not used by client\r | |
266 | VEND_20_IX, // not used by client\r | |
267 | VEND_21_IX, // not used by client\r | |
268 | VEND_22_IX, // not used by client\r | |
269 | VEND_23_IX, // not used by client\r | |
270 | VEND_24_IX, // not used by client\r | |
271 | VEND_25_IX, // not used by client\r | |
272 | VEND_26_IX, // not used by client\r | |
273 | VEND_27_IX, // not used by client\r | |
274 | VEND_28_IX, // not used by client\r | |
275 | VEND_29_IX, // not used by client\r | |
276 | VEND_30_IX, // not used by client\r | |
277 | VEND_31_IX, // not used by client\r | |
278 | VEND_32_IX, // not used by client\r | |
279 | VEND_33_IX, // not used by client\r | |
280 | VEND_34_IX, // not used by client\r | |
281 | VEND_35_IX, // not used by client\r | |
282 | VEND_36_IX, // not used by client\r | |
283 | VEND_37_IX, // not used by client\r | |
284 | VEND_38_IX, // not used by client\r | |
285 | VEND_39_IX, // not used by client\r | |
286 | VEND_40_IX, // not used by client\r | |
287 | VEND_41_IX, // not used by client\r | |
288 | VEND_42_IX, // not used by client\r | |
289 | VEND_43_IX, // not used by client\r | |
290 | VEND_44_IX, // not used by client\r | |
291 | VEND_45_IX, // not used by client\r | |
292 | VEND_46_IX, // not used by client\r | |
293 | VEND_47_IX, // not used by client\r | |
294 | VEND_48_IX, // not used by client\r | |
295 | VEND_49_IX, // not used by client\r | |
296 | VEND_50_IX, // not used by client\r | |
297 | VEND_51_IX, // not used by client\r | |
298 | VEND_52_IX, // not used by client\r | |
299 | VEND_53_IX, // not used by client\r | |
300 | VEND_54_IX, // not used by client\r | |
301 | VEND_55_IX, // not used by client\r | |
302 | VEND_56_IX, // not used by client\r | |
303 | VEND_57_IX, // not used by client\r | |
304 | VEND_58_IX, // not used by client\r | |
305 | VEND_59_IX, // not used by client\r | |
306 | VEND_60_IX, // not used by client\r | |
307 | VEND_61_IX, // not used by client\r | |
308 | VEND_62_IX, // not used by client\r | |
309 | VEND_63_IX, // not used by client\r | |
310 | VEND_64_IX, // not used by client\r | |
311 | VEND_65_IX, // not used by client\r | |
312 | VEND_66_IX, // not used by client\r | |
313 | VEND_67_IX, // not used by client\r | |
314 | VEND_68_IX, // not used by client\r | |
315 | VEND_69_IX, // not used by client\r | |
316 | VEND_70_IX, // not used by client\r | |
317 | VEND_PXE_BOOT_ITEM_IX\r | |
318 | };\r | |
319 | \r | |
320 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
321 | \r | |
322 | //\r | |
323 | // array of options in which we are interested\r | |
324 | // value 0 -> not of interest, else value is index into OPTION array\r | |
325 | // option values from 1 to MAX_OUR_OPT\r | |
326 | //\r | |
327 | STATIC UINT8 OurDhcpOptions[MAX_OUR_OPT] = {\r | |
328 | OP_SUBNET_MASK_IX, // OP_SUBNET_MASK 1 // data is the subnet mask\r | |
329 | OP_TIME_OFFSET_IX, // OP_TIME_OFFSET 2 // data is the time offset of subnet to UTC in seconds\r | |
330 | OP_ROUTER_LIST_IX, // OP_ROUTER_LIST 3 // list of routers on subnet\r | |
331 | OP_TIME_SERVERS_IX, // OP_TIME_SERVERS 4 // list of time servers available\r | |
332 | OP_NAME_SERVERS_IX, // OP_NAME_SERVERS 5 // list of name servers available\r | |
333 | OP_DNS_SERVERS_IX, // OP_DNS_SERVERS 6 // list of DNS servers available\r | |
334 | OP_LOG_SERVERS_IX, // OP_LOG_SERVERS 7\r | |
335 | OP_COOKIE_SERVERS_IX, // OP_COOKIE_SERVERS 8\r | |
336 | OP_LPR_SREVERS_IX, // OP_LPR_SREVERS 9\r | |
337 | OP_IMPRESS_SERVERS_IX, // OP_IMPRESS_SERVERS 10\r | |
338 | OP_RES_LOC_SERVERS_IX, // OP_RES_LOC_SERVERS 11\r | |
339 | OP_HOST_NAME_IX, // OP_HOST_NAME 12 // client name\r | |
340 | OP_BOOT_FILE_SZ_IX, // OP_BOOT_FILE_SZ 13 // number of 512 blocks of boot file\r | |
341 | OP_DUMP_FILE_IX, // OP_DUMP_FILE 14 // path name of dump file if client crashes\r | |
342 | OP_DOMAIN_NAME_IX, // OP_DOMAIN_NAME 15 // domain name to use\r | |
343 | OP_SWAP_SERVER_IX, // OP_SWAP_SERVER 16\r | |
344 | OP_ROOT_PATH_IX, // OP_ROOT_PATH 17 // path name containing root disk\r | |
345 | OP_EXTENSION_PATH_IX, // OP_EXTENSION_PATH 18 // name of TFTP downloadable file of form of OP\r | |
346 | OP_IP_FORWARDING_IX, // OP_IP_FORWARDING 19 // enable/disable IP packet forwarding\r | |
347 | OP_NON_LOCAL_SRC_RTE_IX, // OP_NON_LOCAL_SRC_RTE 20 // enable/disable non local source routing\r | |
348 | OP_POLICY_FILTER_IX, // OP_POLICY_FILTER 21 // policy filters for non local source routing\r | |
349 | OP_MAX_DATAGRAM_SZ_IX, // OP_MAX_DATAGRAM_SZ 22 // maximum datagram reassembly size\r | |
350 | OP_DEFAULT_TTL_IX, // OP_DEFAULT_TTL 23 // default IP time to live\r | |
351 | OP_MTU_AGING_TIMEOUT_IX, // OP_MTU_AGING_TIMEOUT 24\r | |
352 | OP_MTU_SIZES_IX, // OP_MTU_SIZES 25\r | |
353 | OP_MTU_TO_USE_IX, // OP_MTU_TO_USE 26\r | |
354 | OP_ALL_SUBNETS_LOCAL_IX, // OP_ALL_SUBNETS_LOCAL 27\r | |
355 | OP_BROADCAST_ADD_IX, // OP_BROADCAST_ADD 28 // broadcast address used on subnet\r | |
356 | OP_PERFORM_MASK_DISCOVERY_IX, // OP_PERFORM_MASK_DISCOVERY 29 // perform mask discovery using ICMP\r | |
357 | OP_RESPOND_TO_MASK_REQ_IX, // OP_RESPOND_TO_MASK_REQ 30 // respond to subnet mask requests using ICMP\r | |
358 | OP_PERFORM_ROUTER_DISCOVERY_IX, // OP_PERFORM_ROUTER_DISCOVERY 31\r | |
359 | OP_ROUTER_SOLICIT_ADDRESS_IX, // OP_ROUTER_SOLICIT_ADDRESS 32\r | |
360 | OP_STATIC_ROUTER_LIST_IX, // OP_STATIC_ROUTER_LIST 33 // list of dest/route pairs\r | |
361 | OP_USE_ARP_TRAILERS_IX, // OP_USE_ARP_TRAILERS 34\r | |
362 | OP_ARP_CACHE_TIMEOUT_IX, // OP_ARP_CACHE_TIMEOUT 35\r | |
363 | OP_ETHERNET_ENCAPSULATION_IX, // OP_ETHERNET_ENCAPSULATION 36 // 0 -> RFC 894, 1 -> IEEE 802.3 (RFC 1042)\r | |
364 | OP_TCP_DEFAULT_TTL_IX, // OP_TCP_DEFAULT_TTL 37 // default time to live when sending TCP segments\r | |
365 | OP_TCP_KEEP_ALIVE_INT_IX, // OP_TCP_KEEP_ALIVE_INT 38 // keep alive interval in seconds\r | |
366 | OP_KEEP_ALIVE_GARBAGE_IX, // OP_KEEP_ALIVE_GARBAGE 39\r | |
367 | OP_NIS_DOMAIN_NAME_IX, // OP_NIS_DOMAIN_NAME 40\r | |
368 | OP_NIS_SERVERS_IX, // OP_NIS_SERVERS 41\r | |
369 | OP_NTP_SERVERS_IX, // OP_NTP_SERVERS 42\r | |
370 | OP_VENDOR_SPECIFIC_IX, // OP_VENDOR_SPECIFIC 43\r | |
371 | OP_NBNS_SERVERS_IX, // OP_NBNS_SERVERS 44\r | |
372 | OP_NBDD_SERVERS_IX, // OP_NBDD_SERVERS 45\r | |
373 | OP_NETBIOS_NODE_TYPE_IX, // OP_NETBIOS_NODE_TYPE 46\r | |
374 | OP_NETBIOS_SCOPE_IX, // OP_NETBIOS_SCOPE 47\r | |
375 | OP_XWINDOW_SYSTEM_FONT_SERVERS_IX, // OP_XWINDOW_SYSTEM_FONT_SERVERS 48\r | |
376 | OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS_IX, // OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS 49\r | |
377 | OP_DHCP_REQ_IP_ADD_IX, // OP_DHCP_REQ_IP_ADD 50 // requested IP address - in DHCPDISCOVER\r | |
378 | OP_DHCP_LEASE_TIME_IX, // OP_DHCP_LEASE_TIME 51 // lease time requested/granted\r | |
379 | OP_DHCP_OPTION_OVERLOAD_IX, // OP_DHCP_OPTION_OVERLOAD 52 // file/server name/both used to hold options\r | |
380 | OP_DHCP_MESSAGE_TYPE_IX, // OP_DHCP_MESSAGE_TYPE 53 // message type\r | |
381 | OP_DHCP_SERVER_IP_IX, // OP_DHCP_SERVER_IP 54 // IP of server\r | |
382 | OP_DHCP_PARM_REQ_LIST_IX, // OP_DHCP_PARM_REQ_LIST 55 // list of requested parameters\r | |
383 | OP_DHCP_ERROR_MESSAGE_IX, // OP_DHCP_ERROR_MESSAGE 56 // in DHCPNAK or DECLINE messages\r | |
384 | OP_DHCP_MAX_MESSAGE_SZ_IX, // OP_DHCP_MAX_MESSAGE_SZ 57 // maximum DHCP message size client will accept\r | |
385 | OP_DHCP_RENEWAL_TIME_IX, // OP_DHCP_RENEWAL_TIME 58 // time in seconds before transitioning to RENEWING state\r | |
386 | OP_DHCP_REBINDING_TIME_IX, // OP_DHCP_REBINDING_TIME 59 // time in seconds before transitioning to REBINDING state\r | |
387 | OP_DHCP_CLASS_IDENTIFIER_IX, // OP_DHCP_CLASS_IDENTIFIER 60\r | |
388 | OP_DHCP_CLIENT_IDENTIFIER_IX, // OP_DHCP_CLIENT_IDENTIFIER 61\r | |
389 | OP_RESERVED62_IX, // OP_RESERVED62\r | |
390 | OP_RESERVED63_IX, // OP_RESERVED63\r | |
391 | OP_NISPLUS_DOMAIN_NAME_IX, // OP_NISPLUS_DOMAIN_NAME 64\r | |
392 | OP_NISPLUS_SERVERS_IX, // OP_NISPLUS_SERVERS 65\r | |
393 | OP_DHCP_TFTP_SERVER_NAME_IX, // OP_DHCP_TFTP_SERVER_NAME 66\r | |
394 | OP_DHCP_BOOTFILE_IX // OP_DHCP_BOOTFILE 67\r | |
395 | };\r | |
396 | \r | |
397 | #define RxBuf ((DHCP_RECEIVE_BUFFER *) (Private->ReceiveBuffers))\r | |
398 | \r | |
399 | #pragma pack()\r | |
400 | \r | |
401 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 402 | STATIC\r |
878ddf1f | 403 | CHAR8 *\r |
404 | PxeBcLibGetSmbiosString (\r | |
405 | IN SMBIOS_STRUCTURE_POINTER *Smbios,\r | |
406 | IN UINT16 StringNumber\r | |
407 | )\r | |
408 | /*++\r | |
409 | Routine description:\r | |
410 | Return SMBIOS string given the string number.\r | |
411 | \r | |
412 | Arguments:\r | |
413 | Smbios - Pointer to SMBIOS structure\r | |
3aaddf92 | 414 | StringNumber - String number to return. 0 is used to skip all strings and\r |
878ddf1f | 415 | point to the next SMBIOS structure.\r |
416 | \r | |
417 | Returns:\r | |
418 | Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == 0\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 | EFI_STATUS\r | |
458 | PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r | |
459 | IN EFI_GUID *SystemGuid,\r | |
460 | OUT CHAR8 **SystemSerialNumber\r | |
461 | )\r | |
462 | /*++\r | |
463 | \r | |
464 | Routine Description:\r | |
465 | This function gets system guid and serial number from the smbios table\r | |
466 | \r | |
467 | Arguments:\r | |
468 | SystemGuid - The pointer of returned system guid\r | |
469 | SystemSerialNumber - The pointer of returned system serial number\r | |
470 | \r | |
471 | Returns:\r | |
472 | EFI_SUCCESS - Successfully get the system guid and system serial number\r | |
473 | EFI_NOT_FOUND - Not find the SMBIOS table\r | |
474 | --*/\r | |
475 | {\r | |
476 | EFI_STATUS Status;\r | |
477 | SMBIOS_STRUCTURE_TABLE *SmbiosTable;\r | |
478 | SMBIOS_STRUCTURE_POINTER Smbios;\r | |
479 | SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r | |
480 | UINT16 Index;\r | |
481 | \r | |
482 | Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r | |
483 | \r | |
484 | if (EFI_ERROR (Status)) {\r | |
485 | return EFI_NOT_FOUND;\r | |
486 | }\r | |
487 | \r | |
488 | Smbios.Hdr = (SMBIOS_HEADER *) (UINTN) SmbiosTable->TableAddress;\r | |
489 | SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r | |
490 | \r | |
491 | for (Index = 0; Index < SmbiosTable->TableLength; Index++) {\r | |
492 | if (Smbios.Hdr->Type == 1) {\r | |
493 | if (Smbios.Hdr->Length < 0x19) {\r | |
494 | //\r | |
495 | // Older version did not support Guid and Serial number\r | |
496 | //\r | |
497 | continue;\r | |
498 | }\r | |
499 | //\r | |
500 | // SMBIOS tables are byte packed so we need to do a byte copy to\r | |
501 | // prevend alignment faults on Itanium-based platform.\r | |
502 | //\r | |
503 | CopyMem (SystemGuid, &Smbios.Type1->Uuid, sizeof (EFI_GUID));\r | |
504 | *SystemSerialNumber = PxeBcLibGetSmbiosString (&Smbios, Smbios.Type1->SerialNumber);\r | |
505 | \r | |
506 | return EFI_SUCCESS;\r | |
507 | }\r | |
508 | //\r | |
509 | // Make Smbios point to the next record\r | |
510 | //\r | |
511 | PxeBcLibGetSmbiosString (&Smbios, 0);\r | |
512 | \r | |
513 | if (Smbios.Raw >= SmbiosEnd.Raw) {\r | |
514 | //\r | |
515 | // SMBIOS 2.1 incorrectly stated the length of SmbiosTable as 0x1e.\r | |
516 | // given this we must double check against the lenght of\r | |
517 | // the structure.\r | |
518 | //\r | |
519 | return EFI_SUCCESS;\r | |
520 | }\r | |
521 | }\r | |
522 | \r | |
523 | return EFI_SUCCESS;\r | |
524 | }\r | |
525 | \r | |
526 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
527 | \r | |
528 | //\r | |
529 | // add router list to list\r | |
530 | //\r | |
531 | STATIC\r | |
532 | VOID\r | |
533 | Ip4AddRouterList (\r | |
534 | PXE_BASECODE_DEVICE *Private,\r | |
535 | DHCPV4_OP_IP_LIST *IpListPtr\r | |
536 | )\r | |
537 | {\r | |
538 | EFI_IP_ADDRESS TmpIp;\r | |
539 | INTN Index;\r | |
540 | INTN num;\r | |
541 | \r | |
542 | if (IpListPtr == NULL) {\r | |
543 | return ;\r | |
544 | }\r | |
545 | \r | |
546 | for (Index = 0, num = IpListPtr->Header.Length >> 2; Index < num; ++Index) {\r | |
547 | CopyMem (&TmpIp, &IpListPtr->IpList[Index], 4);\r | |
548 | Ip4AddRouter (Private, &TmpIp);\r | |
549 | }\r | |
550 | }\r | |
551 | \r | |
552 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
553 | \r | |
554 | //\r | |
555 | // send ARP for our IP - fail if someone has it\r | |
556 | //\r | |
557 | STATIC\r | |
558 | BOOLEAN\r | |
559 | SetStationIP (\r | |
560 | PXE_BASECODE_DEVICE *Private\r | |
561 | )\r | |
562 | {\r | |
563 | EFI_MAC_ADDRESS DestMac;\r | |
564 | EFI_STATUS EfiStatus;\r | |
565 | \r | |
566 | ZeroMem (&DestMac, sizeof DestMac);\r | |
567 | \r | |
568 | if (GetHwAddr(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac)\r | |
569 | || DoArp(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac) == EFI_SUCCESS) {\r | |
570 | return FALSE; // somebody else has this IP\r | |
571 | }\r | |
572 | \r | |
573 | CopyMem (\r | |
574 | (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->StationIp,\r | |
575 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
576 | sizeof (EFI_IPv4_ADDRESS)\r | |
577 | );\r | |
578 | \r | |
579 | Private->GoodStationIp = TRUE;\r | |
580 | \r | |
581 | if (!Private->UseIgmpv1Reporting) {\r | |
582 | return TRUE;\r | |
583 | }\r | |
584 | \r | |
585 | if (Private->Igmpv1TimeoutEvent != NULL) {\r | |
586 | return TRUE;\r | |
587 | }\r | |
588 | \r | |
589 | EfiStatus = gBS->CreateEvent (\r | |
590 | EFI_EVENT_TIMER,\r | |
591 | EFI_TPL_CALLBACK,\r | |
592 | NULL,\r | |
593 | NULL,\r | |
594 | &Private->Igmpv1TimeoutEvent\r | |
595 | );\r | |
596 | \r | |
597 | if (EFI_ERROR (EfiStatus)) {\r | |
598 | Private->Igmpv1TimeoutEvent = NULL;\r | |
599 | return TRUE;\r | |
600 | }\r | |
601 | \r | |
602 | EfiStatus = gBS->SetTimer (\r | |
603 | Private->Igmpv1TimeoutEvent,\r | |
604 | TimerRelative,\r | |
605 | (UINT64) V1ROUTER_PRESENT_TIMEOUT * 10000000\r | |
606 | ); /* 400 seconds */\r | |
607 | \r | |
608 | if (EFI_ERROR (EfiStatus)) {\r | |
609 | gBS->CloseEvent (Private->Igmpv1TimeoutEvent);\r | |
610 | Private->Igmpv1TimeoutEvent = NULL;\r | |
611 | }\r | |
612 | \r | |
613 | return TRUE;\r | |
614 | }\r | |
615 | \r | |
616 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
617 | STATIC\r | |
618 | VOID\r | |
619 | AddRouters (\r | |
620 | PXE_BASECODE_DEVICE *Private,\r | |
621 | DHCP_RECEIVE_BUFFER *RxBufPtr\r | |
622 | )\r | |
623 | {\r | |
878ddf1f | 624 | Ip4AddRouterList (\r |
625 | Private,\r | |
626 | (DHCPV4_OP_IP_LIST *) RxBufPtr->OpAdds.PktOptAdds[OP_ROUTER_LIST_IX - 1]\r | |
627 | );\r | |
628 | }\r | |
629 | \r | |
630 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
631 | STATIC\r | |
632 | EFI_STATUS\r | |
633 | DoUdpWrite (\r | |
634 | PXE_BASECODE_DEVICE *Private,\r | |
635 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
636 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
637 | EFI_IP_ADDRESS *ClientIpPtr,\r | |
638 | EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr\r | |
639 | )\r | |
640 | {\r | |
641 | UINTN Len;\r | |
642 | \r | |
643 | Len = sizeof DHCPV4_TRANSMIT_BUFFER;\r | |
644 | \r | |
645 | return UdpWrite (\r | |
646 | Private,\r | |
647 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r | |
648 | ServerIpPtr,\r | |
649 | ServerPortPtr,\r | |
650 | 0,\r | |
651 | ClientIpPtr,\r | |
652 | ClientPortPtr,\r | |
653 | 0,\r | |
654 | 0,\r | |
655 | &Len,\r | |
656 | Private->TransmitBuffer\r | |
657 | );\r | |
658 | }\r | |
659 | \r | |
660 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
661 | \r | |
662 | //\r | |
663 | // initialize the DHCP structure\r | |
664 | //\r | |
665 | typedef struct {\r | |
666 | UINT8 x[4];\r | |
667 | } C4Str;\r | |
668 | \r | |
669 | STATIC\r | |
670 | VOID\r | |
671 | InitDhcpv4TxBuf (\r | |
672 | PXE_BASECODE_DEVICE *Private\r | |
673 | )\r | |
674 | {\r | |
675 | UINTN HwAddrLen;\r | |
676 | UINT8 *String;\r | |
677 | CHAR8 *SystemSerialNumber;\r | |
678 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
679 | \r | |
680 | PxebcMode = Private->EfiBc.Mode;\r | |
681 | \r | |
682 | ZeroMem (&DHCPV4_TRANSMIT_BUFFER, sizeof (DHCPV4_STRUCT));\r | |
683 | DHCPV4_TRANSMIT_BUFFER.op = BOOTP_REQUEST;\r | |
684 | DHCPV4_TRANSMIT_BUFFER.htype = Private->SimpleNetwork->Mode->IfType;\r | |
685 | DHCPV4_TRANSMIT_BUFFER.flags = HTONS (DHCP_BROADCAST_FLAG);\r | |
686 | CopyMem (&DHCPV4_OPTIONS_BUFFER, (VOID *) &DHCPOpStart, sizeof (DHCPOpStart));\r | |
687 | \r | |
688 | //\r | |
689 | // default to hardware address\r | |
690 | //\r | |
691 | HwAddrLen = Private->SimpleNetwork->Mode->HwAddressSize;\r | |
692 | \r | |
693 | if (HwAddrLen > sizeof DHCPV4_TRANSMIT_BUFFER.chaddr) {\r | |
694 | HwAddrLen = sizeof DHCPV4_TRANSMIT_BUFFER.chaddr;\r | |
695 | }\r | |
696 | \r | |
697 | String = (UINT8 *) &Private->SimpleNetwork->Mode->CurrentAddress;\r | |
698 | \r | |
699 | if (PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r | |
700 | (EFI_GUID *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid,\r | |
701 | &SystemSerialNumber\r | |
702 | ) == EFI_SUCCESS) {\r | |
703 | if (PxebcMode->SendGUID) {\r | |
704 | HwAddrLen = sizeof (EFI_GUID);\r | |
705 | String = (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid;\r | |
706 | }\r | |
707 | } else {\r | |
708 | //\r | |
709 | // GUID not yet set - send all 0xff's to show programable (via SetVariable)\r | |
710 | // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof(EFI_GUID), 0xff);\r | |
711 | // GUID not yet set - send all 0's to show not programable\r | |
712 | //\r | |
713 | ZeroMem (DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof (EFI_GUID));\r | |
714 | }\r | |
715 | \r | |
716 | DHCPV4_TRANSMIT_BUFFER.hlen = (UINT8) HwAddrLen;\r | |
717 | CopyMem (DHCPV4_TRANSMIT_BUFFER.chaddr, String, HwAddrLen);\r | |
718 | \r | |
719 | CvtNum (\r | |
720 | SYS_ARCH,\r | |
721 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType,\r | |
722 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType\r | |
723 | );\r | |
724 | \r | |
725 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.Type = Private->NiiPtr->Type;\r | |
726 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion = Private->NiiPtr->MajorVer;\r | |
727 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion = Private->NiiPtr->MinorVer;\r | |
728 | \r | |
729 | *(C4Str *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.InterfaceName = *(C4Str *) Private->NiiPtr->StringId;\r | |
730 | \r | |
731 | CvtNum (\r | |
732 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion,\r | |
733 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor,\r | |
734 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor\r | |
735 | );\r | |
736 | \r | |
737 | CvtNum (\r | |
738 | DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion,\r | |
739 | (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor,\r | |
740 | sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor\r | |
741 | );\r | |
742 | }\r | |
743 | \r | |
744 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
745 | STATIC\r | |
746 | UINT32\r | |
747 | DecodePxeOptions (\r | |
748 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
749 | UINT8 *ptr,\r | |
750 | INTN Len\r | |
751 | )\r | |
752 | {\r | |
753 | UINT8 Op;\r | |
754 | UINT8 *EndPtr;\r | |
755 | INTN Index;\r | |
756 | UNION_PTR LocalPtr;\r | |
757 | UINT32 status;\r | |
758 | \r | |
759 | status = 0;\r | |
760 | \r | |
761 | for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r | |
762 | Op = ptr[0];\r | |
763 | Len = ptr[1];\r | |
764 | \r | |
765 | switch (Op) {\r | |
766 | case OP_PAD:\r | |
767 | Len = -1;\r | |
768 | break;\r | |
769 | \r | |
770 | case OP_END:\r | |
771 | return status;\r | |
772 | \r | |
773 | default:\r | |
774 | LocalPtr.BytePtr = ptr;\r | |
775 | if (Op <= MAX_OUR_PXE_OPT) {\r | |
776 | Index = ourPXEopts[Op - 1];\r | |
777 | if (Index) {\r | |
778 | RxBufPtr->OpAdds.PxeOptAdds[Index - 1] = LocalPtr.OpPtr;\r | |
779 | status |= 1 << Index;\r | |
780 | if (Index == VEND_PXE_BOOT_ITEM && LocalPtr.BootItem->Header.Length == 3) {\r | |
781 | RxBufPtr->OpAdds.Status |= USE_THREE_BYTE;\r | |
782 | }\r | |
783 | }\r | |
784 | }\r | |
785 | break;\r | |
786 | }\r | |
787 | }\r | |
788 | \r | |
789 | return status;\r | |
790 | }\r | |
791 | \r | |
792 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
793 | STATIC\r | |
794 | VOID\r | |
795 | DecodeOptions (\r | |
796 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
797 | UINT8 *ptr,\r | |
798 | INTN Len\r | |
799 | )\r | |
800 | {\r | |
801 | UINT8 Op;\r | |
802 | UINT8 *EndPtr;\r | |
803 | INTN Index;\r | |
804 | UNION_PTR LocalPtr;\r | |
805 | \r | |
806 | for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r | |
807 | Op = ptr[0];\r | |
808 | Len = ptr[1];\r | |
809 | \r | |
810 | switch (Op) {\r | |
811 | case OP_PAD:\r | |
812 | Len = -1;\r | |
813 | break;\r | |
814 | \r | |
815 | case OP_END:\r | |
816 | return ;\r | |
817 | \r | |
818 | default:\r | |
819 | LocalPtr.BytePtr = ptr;\r | |
820 | if (Op <= MAX_OUR_OPT) {\r | |
821 | Index = OurDhcpOptions[Op - 1];\r | |
822 | if (Index) {\r | |
823 | RxBufPtr->OpAdds.PktOptAdds[Index - 1] = LocalPtr.OpPtr;\r | |
824 | if (Index == OP_VENDOR_SPECIFIC_IX) {\r | |
825 | UINT32 status;\r | |
826 | status = DecodePxeOptions (\r | |
827 | RxBufPtr,\r | |
828 | (UINT8 *) LocalPtr.VendorOptions->VendorOptions,\r | |
829 | LocalPtr.VendorOptions->Header.Length\r | |
830 | );\r | |
831 | if (status) {\r | |
832 | RxBufPtr->OpAdds.Status |= PXE_TYPE;\r | |
833 | //\r | |
834 | // check for all the MTFTP info options present - any missing is a nogo\r | |
835 | //\r | |
836 | if ((status & WfM11a_OPTS) == WfM11a_OPTS) {\r | |
837 | RxBufPtr->OpAdds.Status |= WfM11a_TYPE;\r | |
838 | }\r | |
839 | \r | |
840 | if (status & DISCOVER_OPTS) {\r | |
841 | RxBufPtr->OpAdds.Status |= DISCOVER_TYPE;\r | |
842 | }\r | |
843 | \r | |
844 | if (status & CREDENTIALS_OPT) {\r | |
845 | RxBufPtr->OpAdds.Status |= CREDENTIALS_TYPE;\r | |
846 | }\r | |
847 | }\r | |
848 | }\r | |
849 | }\r | |
850 | }\r | |
851 | break;\r | |
852 | }\r | |
853 | }\r | |
854 | }\r | |
855 | \r | |
856 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 857 | STATIC\r |
878ddf1f | 858 | VOID\r |
859 | Parse (\r | |
860 | DHCP_RECEIVE_BUFFER *RxBufPtr,\r | |
861 | INTN Len\r | |
862 | )\r | |
863 | {\r | |
864 | UNION_PTR LocalPtr;\r | |
865 | \r | |
866 | //\r | |
867 | // initialize\r | |
868 | //\r | |
869 | SetMem (&RxBufPtr->OpAdds, sizeof RxBufPtr->OpAdds, 0);\r | |
870 | \r | |
871 | DecodeOptions (\r | |
872 | RxBufPtr,\r | |
873 | RxBufPtr->u.Dhcpv4.options + 4,\r | |
874 | Len - (sizeof RxBufPtr->u.Dhcpv4 - sizeof RxBufPtr->u.Dhcpv4.options + 4)\r | |
875 | );\r | |
876 | \r | |
877 | LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_OPTION_OVERLOAD_IX - 1];\r | |
878 | \r | |
879 | if ((LocalPtr.OpPtr) && (LocalPtr.Overload->Overload & OVLD_SRVR_NAME)) {\r | |
880 | DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.sname, sizeof RxBufPtr->u.Dhcpv4.sname);\r | |
881 | }\r | |
882 | \r | |
883 | if (LocalPtr.OpPtr && (LocalPtr.Overload->Overload & OVLD_FILE)) {\r | |
884 | DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.file, sizeof RxBufPtr->u.Dhcpv4.file);\r | |
885 | } else if (!RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && RxBufPtr->u.Dhcpv4.file[0]) {\r | |
886 | RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] = (DHCPV4_OP_STRUCT *) (RxBufPtr->u.Dhcpv4.file - sizeof (DHCPV4_OP_HEADER));\r | |
887 | \r | |
888 | RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]->Header.Length = (UINT8) AsciiStrLen ((CHAR8 *)RxBufPtr->u.Dhcpv4.file);\r | |
889 | }\r | |
890 | \r | |
891 | LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_CLASS_IDENTIFIER_IX - 1];\r | |
892 | \r | |
893 | if ((LocalPtr.OpPtr) &&\r | |
894 | LocalPtr.PxeClassStr->Header.Length >= 9 &&\r | |
895 | !CompareMem (LocalPtr.PxeClassStr->Class, "PXEClient", 9)\r | |
896 | ) {\r | |
897 | RxBufPtr->OpAdds.Status |= PXE_TYPE;\r | |
898 | }\r | |
899 | }\r | |
900 | \r | |
901 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
902 | STATIC\r | |
903 | VOID\r | |
904 | CopyParseRxBuf (\r | |
905 | PXE_BASECODE_DEVICE *Private,\r | |
906 | INTN RxBufIndex,\r | |
907 | INTN PacketIndex\r | |
908 | )\r | |
909 | {\r | |
910 | DHCP_RECEIVE_BUFFER *RxBufPtr;\r | |
911 | \r | |
912 | RxBufPtr = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[PacketIndex];\r | |
913 | \r | |
914 | CopyMem (\r | |
915 | &RxBufPtr->u.Dhcpv4,\r | |
916 | &RxBuf[RxBufIndex].u.Dhcpv4,\r | |
917 | sizeof (RxBuf[RxBufIndex].u.Dhcpv4)\r | |
918 | );\r | |
919 | \r | |
920 | Parse (RxBufPtr, sizeof RxBufPtr->u.ReceiveBuffer);\r | |
921 | }\r | |
922 | \r | |
923 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
924 | STATIC\r | |
925 | VOID\r | |
926 | CopyProxyRxBuf (\r | |
927 | PXE_BASECODE_DEVICE *Private,\r | |
928 | INTN RxBufIndex\r | |
929 | )\r | |
930 | {\r | |
931 | Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r | |
932 | CopyParseRxBuf (Private, RxBufIndex, PXE_OFFER_INDEX);\r | |
933 | }\r | |
934 | \r | |
935 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
936 | STATIC\r | |
937 | VOID\r | |
938 | CopyParse (\r | |
939 | PXE_BASECODE_DEVICE *Private,\r | |
940 | EFI_PXE_BASE_CODE_PACKET *PacketPtr,\r | |
941 | EFI_PXE_BASE_CODE_PACKET *NewPacketPtr,\r | |
942 | INTN Index\r | |
943 | )\r | |
944 | {\r | |
945 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
946 | \r | |
947 | DhcpRxBuf = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[Index];\r | |
948 | \r | |
949 | CopyMem (\r | |
950 | (EFI_PXE_BASE_CODE_PACKET *) &DhcpRxBuf->u.Dhcpv4,\r | |
951 | NewPacketPtr,\r | |
952 | sizeof (*NewPacketPtr)\r | |
953 | );\r | |
954 | \r | |
955 | CopyMem (&*PacketPtr, &*NewPacketPtr, sizeof (*NewPacketPtr));\r | |
956 | \r | |
957 | Parse (DhcpRxBuf, sizeof DhcpRxBuf->u.ReceiveBuffer);\r | |
958 | }\r | |
959 | \r | |
960 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 961 | STATIC\r |
878ddf1f | 962 | BOOLEAN\r |
963 | AckEdit (\r | |
964 | DHCP_RECEIVE_BUFFER *DhcpRxBuf\r | |
965 | )\r | |
966 | {\r | |
967 | UNION_PTR LocalPtr;\r | |
968 | \r | |
969 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r | |
970 | \r | |
971 | //\r | |
972 | // check that an ACK\r | |
973 | // if a DHCP type, must be DHCPOFFER and must have server id\r | |
974 | //\r | |
975 | return (BOOLEAN)\r | |
976 | (\r | |
977 | (LocalPtr.OpPtr) &&\r | |
978 | (LocalPtr.MessageType->Type == DHCPACK) &&\r | |
979 | DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]\r | |
980 | );\r | |
981 | }\r | |
982 | \r | |
983 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
984 | \r | |
985 | //\r | |
986 | // if a discover type packet, make sure all required fields are present\r | |
987 | //\r | |
1cc8ee78 | 988 | STATIC\r |
878ddf1f | 989 | BOOLEAN\r |
990 | DHCPOfferAckEdit (\r | |
991 | DHCP_RECEIVE_BUFFER *DhcpRxBuf\r | |
992 | )\r | |
993 | {\r | |
994 | PXE_OP_SERVER_LIST *BootServerOpPtr;\r | |
995 | UNION_PTR LocalPtr;\r | |
996 | \r | |
997 | if ((DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) == 0) {\r | |
998 | return TRUE;\r | |
999 | }\r | |
1000 | \r | |
1001 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r | |
1002 | \r | |
1003 | if (LocalPtr.OpPtr == NULL) {\r | |
1004 | LocalPtr.OpPtr = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r | |
1005 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r | |
1006 | }\r | |
1007 | //\r | |
1008 | // make sure all required fields are here\r | |
1009 | // if mucticast enabled, need multicast address\r | |
1010 | //\r | |
1011 | if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST) &&\r | |
1012 | (!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 | |
1013 | ) {\r | |
1014 | return FALSE;\r | |
1015 | //\r | |
1016 | // missing required field\r | |
1017 | //\r | |
1018 | }\r | |
1019 | //\r | |
1020 | // if a list, it better be good\r | |
1021 | //\r | |
1022 | BootServerOpPtr = (PXE_OP_SERVER_LIST *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1];\r | |
1023 | \r | |
1024 | if (BootServerOpPtr != NULL) {\r | |
1025 | PXE_SERVER_LIST *BootServerListPtr;\r | |
1026 | INTN ServerListLen;\r | |
1027 | INTN ServerEntryLen;\r | |
1028 | \r | |
1029 | BootServerListPtr = BootServerOpPtr->ServerList;\r | |
1030 | ServerListLen = BootServerOpPtr->Header.Length;\r | |
1031 | \r | |
1032 | do {\r | |
1033 | EFI_IPv4_ADDRESS *IpListPtr;\r | |
1034 | INTN IpCnt;\r | |
1035 | \r | |
1036 | IpCnt = BootServerListPtr->u.Ipv4List.IpCount;\r | |
1037 | \r | |
1038 | ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS);\r | |
1039 | \r | |
1040 | if (ServerListLen < ServerEntryLen) {\r | |
1041 | //\r | |
1042 | // missing required field\r | |
1043 | //\r | |
1044 | return FALSE;\r | |
1045 | }\r | |
1046 | \r | |
1047 | IpListPtr = BootServerListPtr->u.Ipv4List.IpList;\r | |
1048 | \r | |
1049 | while (IpCnt--) {\r | |
1050 | if (IS_MULTICAST (IpListPtr)) {\r | |
1051 | //\r | |
1052 | // missing required field\r | |
1053 | //\r | |
1054 | return FALSE;\r | |
1055 | } else {\r | |
1056 | ++IpListPtr;\r | |
1057 | }\r | |
1058 | }\r | |
1059 | \r | |
1060 | BootServerListPtr = (PXE_SERVER_LIST *) IpListPtr;\r | |
1061 | } while (ServerListLen -= ServerEntryLen);\r | |
1062 | }\r | |
1063 | //\r | |
1064 | // else there must be a list if use list enabled or multicast and\r | |
1065 | // broadcast disabled\r | |
1066 | //\r | |
1067 | else if ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) ||\r | |
1068 | ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r | |
1069 | ) {\r | |
1070 | //\r | |
1071 | // missing required field\r | |
1072 | //\r | |
1073 | return FALSE;\r | |
1074 | }\r | |
1075 | //\r | |
1076 | // if not USE_BOOTFILE or no bootfile given, must have menu stuff\r | |
1077 | //\r | |
1078 | if (!(LocalPtr.DiscoveryControl->ControlBits & USE_BOOTFILE) ||\r | |
1079 | !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
1080 | ) {\r | |
1081 | INTN MenuLth;\r | |
1082 | \r | |
1083 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_MENU_IX - 1];\r | |
1084 | \r | |
1085 | if (LocalPtr.OpPtr == NULL || !DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_PROMPT_IX - 1]) {\r | |
1086 | //\r | |
1087 | // missing required field\r | |
1088 | //\r | |
1089 | return FALSE;\r | |
1090 | }\r | |
1091 | //\r | |
1092 | // make sure menu valid\r | |
1093 | //\r | |
1094 | MenuLth = LocalPtr.BootMenu->Header.Length;\r | |
1095 | LocalPtr.BootMenuItem = LocalPtr.BootMenu->MenuItem;\r | |
1096 | \r | |
1097 | do {\r | |
1098 | INTN MenuItemLen;\r | |
1099 | \r | |
1100 | MenuItemLen = LocalPtr.BootMenuItem->DataLen;\r | |
1101 | \r | |
1102 | if (MenuItemLen == 0) {\r | |
1103 | //\r | |
1104 | // missing required field\r | |
1105 | //\r | |
1106 | return FALSE;\r | |
1107 | }\r | |
1108 | \r | |
1109 | MenuItemLen += sizeof (*LocalPtr.BootMenuItem) - sizeof (LocalPtr.BootMenuItem->Data);\r | |
1110 | \r | |
1111 | MenuLth -= MenuItemLen;\r | |
1112 | LocalPtr.BytePtr += MenuItemLen;\r | |
1113 | } while (MenuLth > 0);\r | |
1114 | \r | |
1115 | if (MenuLth != 0) {\r | |
1116 | //\r | |
1117 | // missing required field\r | |
1118 | //\r | |
1119 | return FALSE;\r | |
1120 | }\r | |
1121 | }\r | |
1122 | \r | |
1123 | if (!DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r | |
1124 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultBootItem;\r | |
1125 | }\r | |
1126 | \r | |
1127 | return TRUE;\r | |
1128 | }\r | |
1129 | \r | |
1130 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 1131 | STATIC\r |
878ddf1f | 1132 | BOOLEAN\r |
1133 | DHCPAckEdit (\r | |
1134 | DHCP_RECEIVE_BUFFER *RxBufPtr\r | |
1135 | )\r | |
1136 | {\r | |
1137 | return (BOOLEAN) (DHCPOfferAckEdit (RxBufPtr) ? AckEdit (RxBufPtr) : FALSE);\r | |
1138 | }\r | |
1139 | \r | |
1140 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1141 | \r | |
1142 | //\r | |
1143 | // get an offer/ack\r | |
1144 | //\r | |
1cc8ee78 | 1145 | STATIC\r |
878ddf1f | 1146 | EFI_STATUS\r |
1147 | GetOfferAck (\r | |
1148 | PXE_BASECODE_DEVICE *Private,\r | |
1149 | BOOLEAN (*ExtraEdit)(DHCP_RECEIVE_BUFFER *DhcpRxBuf),\r | |
1150 | UINT16 OpFlags, // for Udp read\r | |
1151 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
1152 | EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r | |
1153 | EFI_IP_ADDRESS *ClientIpPtr,\r | |
1154 | EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr,\r | |
1155 | DHCP_RECEIVE_BUFFER *DhcpRxBuf,\r | |
1156 | EFI_EVENT TimeoutEvent\r | |
1157 | )\r | |
1158 | /*++\r | |
1159 | Routine description:\r | |
1160 | Wait for an OFFER/ACK packet.\r | |
1161 | \r | |
1162 | Parameters:\r | |
1163 | Private := Pointer to PxeBc interface\r | |
1164 | ExtraEdit := Pointer to extra option checking function\r | |
1165 | OpFlags := UdpRead() option flags\r | |
3aaddf92 | 1166 | ServerIpPtr :=\r |
1167 | ServerPortPtr :=\r | |
1168 | ClientIpPtr :=\r | |
1169 | ClientPortPtr :=\r | |
1170 | DhcpRxBuf :=\r | |
878ddf1f | 1171 | TimeoutEvent :=\r |
1172 | \r | |
1173 | Returns:\r | |
1174 | --*/\r | |
1175 | {\r | |
1176 | EFI_IP_ADDRESS ServerIp;\r | |
1177 | EFI_STATUS StatCode;\r | |
1178 | INTN RxBufLen;\r | |
1179 | \r | |
1180 | for (;;) {\r | |
1181 | //\r | |
1182 | // Wait until we get a UDP packet.\r | |
1183 | //\r | |
1184 | ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
1185 | RxBufLen = sizeof RxBuf[0].u.ReceiveBuffer;\r | |
1186 | \r | |
1187 | if ((StatCode = UdpRead (\r | |
1188 | Private,\r | |
1189 | OpFlags,\r | |
1190 | ClientIpPtr,\r | |
1191 | ClientPortPtr,\r | |
1192 | ServerIpPtr,\r | |
1193 | ServerPortPtr,\r | |
1194 | 0,\r | |
1195 | 0,\r | |
1196 | (UINTN *) &RxBufLen,\r | |
1197 | &DhcpRxBuf->u.Dhcpv4,\r | |
1198 | TimeoutEvent\r | |
1199 | )) != EFI_SUCCESS) {\r | |
1200 | if (StatCode == EFI_TIMEOUT) {\r | |
1201 | StatCode = EFI_NO_RESPONSE;\r | |
1202 | }\r | |
1203 | \r | |
1204 | break;\r | |
1205 | }\r | |
1206 | //\r | |
1207 | // got a packet - see if a good offer\r | |
1208 | //\r | |
1209 | if (DhcpRxBuf->u.Dhcpv4.op != BOOTP_REPLY) {\r | |
1210 | continue;\r | |
1211 | }\r | |
1212 | \r | |
1213 | if (DhcpRxBuf->u.Dhcpv4.xid != DHCPV4_TRANSMIT_BUFFER.xid) {\r | |
1214 | continue;\r | |
1215 | }\r | |
1216 | \r | |
1217 | if (*(UINT32 *) DHCPV4_TRANSMIT_BUFFER.options != * (UINT32 *) DhcpRxBuf->u.Dhcpv4.options) {\r | |
1218 | continue;\r | |
1219 | }\r | |
1220 | \r | |
1221 | if (*(UINT8 *) &DhcpRxBuf->u.Dhcpv4.yiaddr > 223) {\r | |
1222 | continue;\r | |
1223 | }\r | |
1224 | \r | |
1225 | if (CompareMem (\r | |
1226 | DhcpRxBuf->u.Dhcpv4.chaddr,\r | |
1227 | DHCPV4_TRANSMIT_BUFFER.chaddr,\r | |
1228 | sizeof DhcpRxBuf->u.Dhcpv4.chaddr\r | |
1229 | )) {\r | |
1230 | //\r | |
1231 | // no good\r | |
1232 | //\r | |
1233 | continue;\r | |
1234 | }\r | |
1235 | \r | |
1236 | Parse (DhcpRxBuf, RxBufLen);\r | |
1237 | \r | |
1238 | if (!(*ExtraEdit) (DhcpRxBuf)) {\r | |
1239 | continue;\r | |
1240 | }\r | |
1241 | //\r | |
1242 | // Good DHCP packet.\r | |
1243 | //\r | |
1244 | StatCode = EFI_SUCCESS;\r | |
1245 | break;\r | |
1246 | }\r | |
1247 | \r | |
1248 | return StatCode;\r | |
1249 | }\r | |
1250 | \r | |
1251 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1252 | \r | |
1253 | //\r | |
1254 | // get DHCPOFFER's\r | |
1255 | //\r | |
1cc8ee78 | 1256 | STATIC\r |
878ddf1f | 1257 | EFI_STATUS\r |
1258 | GetOffers (\r | |
1259 | PXE_BASECODE_DEVICE *Private\r | |
1260 | )\r | |
1261 | {\r | |
1262 | EFI_IP_ADDRESS ClientIp;\r | |
1263 | EFI_IP_ADDRESS ServerIp;\r | |
1264 | EFI_STATUS StatCode;\r | |
1265 | EFI_EVENT TimeoutEvent;\r | |
1266 | INTN NumOffers;\r | |
1267 | INTN Index;\r | |
1268 | \r | |
1269 | //\r | |
1270 | //\r | |
1271 | //\r | |
1272 | ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
1273 | NumOffers = 0;\r | |
1274 | \r | |
1275 | for (Index = 0; Index < (sizeof Private->ServerCount) / sizeof Private->ServerCount[0]; ++Index) {\r | |
1276 | Private->ServerCount[Index] = 0;\r | |
1277 | Private->GotProxy[Index] = 0;\r | |
1278 | }\r | |
1279 | \r | |
1280 | Private->GotBootp = 0;\r | |
1281 | //\r | |
1282 | // these we throw away\r | |
1283 | //\r | |
1284 | Private->GotProxy[DHCP_ONLY_IX] = 1;\r | |
1285 | StatCode = gBS->CreateEvent (\r | |
1286 | EFI_EVENT_TIMER,\r | |
1287 | EFI_TPL_CALLBACK,\r | |
1288 | NULL,\r | |
1289 | NULL,\r | |
1290 | &TimeoutEvent\r | |
1291 | );\r | |
1292 | \r | |
1293 | if (EFI_ERROR (StatCode)) {\r | |
1294 | return StatCode;\r | |
1295 | }\r | |
1296 | \r | |
1297 | StatCode = gBS->SetTimer (\r | |
1298 | TimeoutEvent,\r | |
1299 | TimerRelative,\r | |
1300 | Private->Timeout * 10000000 + 1000000\r | |
1301 | );\r | |
1302 | \r | |
1303 | if (EFI_ERROR (StatCode)) {\r | |
1304 | gBS->CloseEvent (TimeoutEvent);\r | |
1305 | return StatCode;\r | |
1306 | }\r | |
1307 | //\r | |
1308 | // get offers\r | |
1309 | //\r | |
1310 | for (;;) {\r | |
1311 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1312 | UNION_PTR LocalPtr;\r | |
1313 | \r | |
1314 | DhcpRxBuf = &RxBuf[NumOffers];\r | |
1315 | \r | |
1316 | if ((\r | |
1317 | StatCode = GetOfferAck (\r | |
1318 | Private,\r | |
1319 | DHCPOfferAckEdit,\r | |
1320 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP |\r | |
1321 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP |\r | |
1322 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
1323 | &ServerIp,\r | |
1324 | &DhcpServerPort,\r | |
1325 | &ClientIp,\r | |
1326 | &DHCPClientPort,\r | |
1327 | DhcpRxBuf,\r | |
1328 | TimeoutEvent\r | |
1329 | )\r | |
1330 | ) != EFI_SUCCESS\r | |
1331 | ) {\r | |
1332 | break;\r | |
1333 | }\r | |
1334 | \r | |
1335 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r | |
1336 | \r | |
1337 | //\r | |
1338 | // check type of offer\r | |
1339 | //\r | |
1340 | if (LocalPtr.OpPtr == NULL) {\r | |
1341 | //\r | |
1342 | // bootp - we only need one and make sure has bootfile\r | |
1343 | //\r | |
1344 | if (Private->GotBootp || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r | |
1345 | continue;\r | |
1346 | }\r | |
1347 | \r | |
1348 | Private->GotBootp = (UINT8) (NumOffers + 1);\r | |
1349 | }\r | |
1350 | //\r | |
1351 | // if a DHCP type, must be DHCPOFFER and must have server id\r | |
1352 | //\r | |
1353 | else if (LocalPtr.MessageType->Type != DHCPOFFER || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]) {\r | |
1354 | continue;\r | |
1355 | } else {\r | |
1356 | INTN TypeIx;\r | |
1357 | \r | |
1358 | //\r | |
1359 | // get type - PXE10, WfM11a, or BINL\r | |
1360 | //\r | |
1361 | if (DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) {\r | |
1362 | TypeIx = PXE10_IX;\r | |
1363 | } else if (DhcpRxBuf->OpAdds.Status & WfM11a_TYPE) {\r | |
1364 | //\r | |
1365 | // WfM - make sure it has a bootfile\r | |
1366 | //\r | |
1367 | if (!DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r | |
1368 | continue;\r | |
1369 | }\r | |
1370 | \r | |
1371 | TypeIx = WfM11a_IX;\r | |
1372 | } else {\r | |
1373 | TypeIx = (DhcpRxBuf->OpAdds.Status & PXE_TYPE) ? BINL_IX : DHCP_ONLY_IX;\r | |
1374 | }\r | |
1375 | //\r | |
1376 | // check DHCP or proxy\r | |
1377 | //\r | |
1378 | if (DhcpRxBuf->u.Dhcpv4.yiaddr == 0) {\r | |
1379 | //\r | |
1380 | // proxy - only need one of each type if not BINL\r | |
1381 | // and must have at least PXE_TYPE\r | |
1382 | //\r | |
1383 | if (TypeIx == BINL_IX) {\r | |
1384 | Private->BinlProxies[Private->GotProxy[BINL_IX]++] = (UINT8) NumOffers;\r | |
1385 | } else if (Private->GotProxy[TypeIx]) {\r | |
1386 | continue;\r | |
1387 | } else {\r | |
1388 | Private->GotProxy[TypeIx] = (UINT8) (NumOffers + 1);\r | |
1389 | }\r | |
1390 | } else {\r | |
1391 | Private->OfferCount[TypeIx][Private->ServerCount[TypeIx]++] = (UINT8) NumOffers;\r | |
1392 | }\r | |
1393 | }\r | |
1394 | \r | |
1395 | if (++NumOffers == MAX_OFFERS) {\r | |
1396 | break;\r | |
1397 | }\r | |
1398 | }\r | |
1399 | \r | |
1400 | gBS->CloseEvent (TimeoutEvent);\r | |
1401 | Private->NumOffersReceived = NumOffers;\r | |
1402 | \r | |
1403 | return (Private->NumOffersReceived) ? EFI_SUCCESS : EFI_NO_RESPONSE;\r | |
1404 | }\r | |
1405 | \r | |
1406 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1407 | \r | |
1408 | //\r | |
1409 | // send DHCPDECLINE\r | |
1410 | //\r | |
1411 | STATIC\r | |
1412 | VOID\r | |
1413 | DeclineOffer (\r | |
1414 | PXE_BASECODE_DEVICE *Private\r | |
1415 | )\r | |
1416 | {\r | |
1417 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1418 | UINT16 SaveSecs;\r | |
1419 | \r | |
1420 | PxebcMode = Private->EfiBc.Mode;\r | |
1421 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1422 | \r | |
1423 | DHCPV4_TRANSMIT_BUFFER.secs = 0;\r | |
1424 | DHCPV4_TRANSMIT_BUFFER.flags = 0;\r | |
1425 | SetMem (\r | |
1426 | DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opdeclinestr),\r | |
1427 | sizeof (DHCPOpStart) - sizeof (struct opdeclinestr),\r | |
1428 | OP_PAD\r | |
1429 | );\r | |
1430 | DHCPDECLINEoptions.DhcpMessageType.Type = DHCPDECLINE;\r | |
1431 | CopyMem (&DHCPDECLINEoptions.OpDeclineEnd, &DHCP_REQ_OPTIONS, sizeof (struct requestopendstr));\r | |
1432 | // DHCPDECLINEoptions.OpDeclineEnd = DHCP_REQ_OPTIONS;\r | |
1433 | \r | |
1434 | {\r | |
1435 | EFI_IP_ADDRESS TmpIp;\r | |
1436 | \r | |
1437 | CopyMem (&TmpIp, &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip, sizeof TmpIp);\r | |
1438 | \r | |
1439 | DoUdpWrite (\r | |
1440 | Private,\r | |
1441 | &TmpIp,\r | |
1442 | &DhcpServerPort,\r | |
1443 | &PxebcMode->StationIp,\r | |
1444 | &DHCPClientPort\r | |
1445 | );\r | |
1446 | }\r | |
1447 | \r | |
1448 | InitDhcpv4TxBuf (Private);\r | |
1449 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1450 | Private->GoodStationIp = FALSE;\r | |
1451 | }\r | |
1452 | \r | |
1453 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1454 | \r | |
1455 | //\r | |
1456 | // send DHCPRELEASE\r | |
1457 | //\r | |
1458 | STATIC\r | |
1459 | BOOLEAN\r | |
1460 | Release (\r | |
1461 | PXE_BASECODE_DEVICE *Private\r | |
1462 | )\r | |
1463 | {\r | |
1464 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
1465 | UINT16 SaveSecs;\r | |
1466 | DHCPV4_OP_SERVER_IP *Point;\r | |
1467 | \r | |
1468 | PxebcMode = Private->EfiBc.Mode;\r | |
1469 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1470 | DHCPV4_TRANSMIT_BUFFER.secs = 0;\r | |
1471 | \r | |
1472 | SetMem (\r | |
1473 | DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opreleasestr),\r | |
1474 | sizeof (DHCPOpStart) - sizeof (struct opreleasestr),\r | |
1475 | OP_PAD\r | |
1476 | );\r | |
1477 | \r | |
1478 | DHCPRELEASEoptions.DhcpMessageType.Type = DHCPRELEASE;\r | |
1479 | Point = (DHCPV4_OP_SERVER_IP *) DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1];\r | |
1480 | CopyMem (\r | |
1481 | &DHCPRELEASEoptions.DhcServerIpPtr,\r | |
1482 | &Point,\r | |
1483 | sizeof DHCPRELEASEoptions.DhcServerIpPtr\r | |
1484 | );\r | |
1485 | \r | |
1486 | DHCPRELEASEoptions.End[0] = OP_END;\r | |
1487 | \r | |
1488 | {\r | |
1489 | EFI_IP_ADDRESS TmpIp;\r | |
1490 | \r | |
1491 | CopyMem (&TmpIp, &DHCPRELEASEoptions.DhcServerIpPtr.Ip, sizeof TmpIp);\r | |
1492 | \r | |
1493 | DoUdpWrite (\r | |
1494 | Private,\r | |
1495 | &TmpIp,\r | |
1496 | &DhcpServerPort,\r | |
1497 | &PxebcMode->StationIp,\r | |
1498 | &DHCPClientPort\r | |
1499 | );\r | |
1500 | }\r | |
1501 | \r | |
1502 | InitDhcpv4TxBuf (Private);\r | |
1503 | \r | |
1504 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1505 | Private->GoodStationIp = FALSE;\r | |
1506 | return FALSE;\r | |
1507 | }\r | |
1508 | \r | |
1509 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1510 | STATIC\r | |
1511 | BOOLEAN\r | |
1512 | GetBINLAck (\r | |
1513 | PXE_BASECODE_DEVICE *Private,\r | |
1514 | EFI_IP_ADDRESS *ServerIpPtr\r | |
1515 | )\r | |
1516 | {\r | |
1517 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1518 | EFI_STATUS StatCode;\r | |
1519 | EFI_EVENT TimeoutEvent;\r | |
1520 | \r | |
1521 | //\r | |
1522 | //\r | |
1523 | //\r | |
1524 | StatCode = gBS->CreateEvent (\r | |
1525 | EFI_EVENT_TIMER,\r | |
1526 | EFI_TPL_CALLBACK,\r | |
1527 | NULL,\r | |
1528 | NULL,\r | |
1529 | &TimeoutEvent\r | |
1530 | );\r | |
1531 | \r | |
1532 | if (EFI_ERROR (StatCode)) {\r | |
1533 | return FALSE;\r | |
1534 | }\r | |
1535 | \r | |
1536 | StatCode = gBS->SetTimer (\r | |
1537 | TimeoutEvent,\r | |
1538 | TimerRelative,\r | |
1539 | Private->Timeout * 10000000 + 1000000\r | |
1540 | );\r | |
1541 | \r | |
1542 | if (EFI_ERROR (StatCode)) {\r | |
1543 | gBS->CloseEvent (TimeoutEvent);\r | |
1544 | return FALSE;\r | |
1545 | }\r | |
1546 | //\r | |
1547 | //\r | |
1548 | //\r | |
1549 | DhcpRxBuf = &PXE_BINL_BUFFER;\r | |
1550 | \r | |
1551 | for (;;) {\r | |
1552 | EFI_PXE_BASE_CODE_UDP_PORT BINLSrvPort;\r | |
1553 | \r | |
1554 | BINLSrvPort = 0;\r | |
1555 | \r | |
1556 | if (GetOfferAck (\r | |
1557 | Private,\r | |
1558 | AckEdit,\r | |
1559 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
1560 | ServerIpPtr,\r | |
1561 | &BINLSrvPort,\r | |
1562 | &Private->EfiBc.Mode->StationIp,\r | |
1563 | &PSEUDO_DHCP_CLIENT_PORT,\r | |
1564 | DhcpRxBuf,\r | |
1565 | TimeoutEvent\r | |
1566 | ) != EFI_SUCCESS) {\r | |
1567 | break;\r | |
1568 | }\r | |
1569 | //\r | |
1570 | // make sure from whom we wanted\r | |
1571 | //\r | |
1572 | if (!DhcpRxBuf->u.Dhcpv4.yiaddr && !CompareMem (\r | |
1573 | &ServerIpPtr->v4,\r | |
1574 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1575 | sizeof (ServerIpPtr->v4)\r | |
1576 | )) {\r | |
1577 | gBS->CloseEvent (TimeoutEvent);\r | |
1578 | //\r | |
1579 | // got an ACK from server\r | |
1580 | //\r | |
1581 | return TRUE;\r | |
1582 | }\r | |
1583 | }\r | |
1584 | \r | |
1585 | gBS->CloseEvent (TimeoutEvent);\r | |
1586 | return FALSE;\r | |
1587 | }\r | |
1588 | \r | |
1589 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1590 | \r | |
1591 | //\r | |
1592 | // make sure we can get BINL\r | |
1593 | // send DHCPREQUEST to PXE server\r | |
1594 | //\r | |
1595 | STATIC\r | |
1596 | BOOLEAN\r | |
1597 | TryBINL (\r | |
1598 | PXE_BASECODE_DEVICE *Private,\r | |
1599 | INTN OfferIx\r | |
1600 | )\r | |
1601 | {\r | |
1602 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1603 | EFI_IP_ADDRESS ServerIp;\r | |
1604 | UINT16 SaveSecs;\r | |
1605 | INTN Index;\r | |
1606 | \r | |
1607 | DhcpRxBuf = &RxBuf[OfferIx];\r | |
1608 | \r | |
1609 | //\r | |
9887e0d0 | 1610 | // use next server address first.\r |
878ddf1f | 1611 | //\r |
9887e0d0 | 1612 | ServerIp.Addr[0] = DhcpRxBuf->u.Dhcpv4.siaddr;\r |
1613 | if (ServerIp.Addr[0] == 0) {\r | |
1614 | //\r | |
1615 | // next server address is NULL, use option 54.\r | |
1616 | //\r | |
1617 | CopyMem (\r | |
1618 | ((EFI_IPv4_ADDRESS *) &ServerIp),\r | |
1619 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1620 | sizeof (EFI_IPv4_ADDRESS)\r | |
1621 | );\r | |
1622 | }\r | |
878ddf1f | 1623 | \r |
1624 | //\r | |
1625 | // client IP address - filled in by client if it knows it\r | |
1626 | //\r | |
1627 | CopyMem (\r | |
1628 | ((EFI_IPv4_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr),\r | |
1629 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
1630 | sizeof (EFI_IPv4_ADDRESS)\r | |
1631 | );\r | |
1632 | \r | |
1633 | SetMem (&DHCP_REQ_OPTIONS, sizeof DHCP_REQ_OPTIONS, OP_PAD);\r | |
1634 | DHCPV4_TRANSMIT_BUFFER.flags = 0;\r | |
1635 | DHCPV4_OPTIONS_BUFFER.End[0] = OP_END;\r | |
1636 | AddRouters (Private, DhcpRxBuf);\r | |
1637 | SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r | |
1638 | \r | |
1639 | for (Index = 0; Index < 3; Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Index) {\r | |
1640 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
1641 | \r | |
1642 | //\r | |
1643 | // unicast DHCPREQUEST to PXE server\r | |
1644 | //\r | |
1645 | if (DoUdpWrite (\r | |
1646 | Private,\r | |
1647 | &ServerIp,\r | |
1648 | &PseudoDhcpServerPort,\r | |
1649 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
1650 | &PSEUDO_DHCP_CLIENT_PORT\r | |
1651 | ) != EFI_SUCCESS) {\r | |
1652 | break;\r | |
1653 | }\r | |
1654 | \r | |
1655 | if (!GetBINLAck (Private, &ServerIp)) {\r | |
1656 | continue;\r | |
1657 | }\r | |
1658 | //\r | |
1659 | // early exit failures\r | |
1660 | // make sure a good ACK\r | |
1661 | //\r | |
1662 | if (!DHCPOfferAckEdit (&PXE_BINL_BUFFER) || (\r | |
1663 | !(PXE_BINL_BUFFER.OpAdds.Status & DISCOVER_TYPE) && !PXE_BINL_BUFFER.OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
1664 | )\r | |
1665 | ) {\r | |
1666 | break;\r | |
1667 | }\r | |
1668 | \r | |
1669 | Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r | |
1670 | return TRUE;\r | |
1671 | }\r | |
1672 | //\r | |
1673 | // failed - reset seconds field, etc.\r | |
1674 | //\r | |
1675 | Private->EfiBc.Mode->RouteTableEntries = 0;\r | |
1676 | //\r | |
1677 | // reset\r | |
1678 | //\r | |
1679 | DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r | |
1680 | return FALSE;\r | |
1681 | }\r | |
1682 | \r | |
1683 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1684 | STATIC\r | |
1685 | BOOLEAN\r | |
1686 | TryFinishBINL (\r | |
1687 | PXE_BASECODE_DEVICE *Private,\r | |
1688 | INTN OfferIx\r | |
1689 | )\r | |
1690 | {\r | |
1691 | if (TryBINL (Private, OfferIx)) {\r | |
1692 | return TRUE;\r | |
1693 | }\r | |
1694 | \r | |
1695 | return Release (Private);\r | |
1696 | }\r | |
1697 | \r | |
1698 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1699 | STATIC\r | |
1700 | BOOLEAN\r | |
1701 | TryFinishProxyBINL (\r | |
1702 | PXE_BASECODE_DEVICE *Private\r | |
1703 | )\r | |
1704 | {\r | |
1705 | INTN Index;\r | |
1706 | \r | |
1707 | for (Index = 0; Index < Private->GotProxy[BINL_IX]; ++Index) {\r | |
1708 | if (TryBINL (Private, Private->BinlProxies[Index])) {\r | |
1709 | return TRUE;\r | |
1710 | }\r | |
1711 | }\r | |
1712 | \r | |
1713 | return Release (Private);\r | |
1714 | }\r | |
1715 | \r | |
1716 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1717 | \r | |
1718 | //\r | |
1719 | // try to finish DORA - send DHCP request, wait for ACK, check with ARP\r | |
1720 | //\r | |
1721 | STATIC\r | |
1722 | BOOLEAN\r | |
1723 | TryFinishDORA (\r | |
1724 | PXE_BASECODE_DEVICE *Private,\r | |
1725 | INTN OfferIx\r | |
1726 | )\r | |
1727 | {\r | |
1728 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
1729 | EFI_IP_ADDRESS ClientIp;\r | |
1730 | EFI_IP_ADDRESS ServerIp;\r | |
1731 | EFI_STATUS StatCode;\r | |
1732 | UNION_PTR LocalPtr;\r | |
1733 | EFI_EVENT TimeoutEvent;\r | |
1734 | \r | |
1735 | //\r | |
1736 | // send DHCP request\r | |
1737 | // if fail return false\r | |
1738 | //\r | |
1739 | DhcpRxBuf = &DHCPV4_ACK_BUFFER;\r | |
1740 | DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r | |
1741 | CopyMem (&DHCP_REQ_OPTIONS, &RequestOpEndStr, sizeof (RequestOpEndStr));\r | |
1742 | // DHCP_REQ_OPTIONS = RequestOpEndStr;\r | |
1743 | DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[OfferIx].u.Dhcpv4.yiaddr;\r | |
1744 | \r | |
1745 | CopyMem (\r | |
1746 | &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r | |
1747 | &((DHCPV4_OP_SERVER_IP *) RxBuf[OfferIx].OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1748 | sizeof DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip\r | |
1749 | );\r | |
1750 | \r | |
1751 | CopyMem (\r | |
1752 | Private->EfiBc.Mode->SubnetMask.Addr,\r | |
1753 | &DefaultSubnetMask,\r | |
1754 | 4\r | |
1755 | );\r | |
1756 | \r | |
1757 | //\r | |
1758 | // broadcast DHCPREQUEST\r | |
1759 | //\r | |
1760 | if (DoUdpWrite (\r | |
1761 | Private,\r | |
1762 | &BroadcastIP,\r | |
1763 | &DhcpServerPort,\r | |
1764 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
1765 | &DHCPClientPort\r | |
1766 | ) != EFI_SUCCESS) {\r | |
1767 | return FALSE;\r | |
1768 | }\r | |
1769 | //\r | |
1770 | //\r | |
1771 | //\r | |
1772 | StatCode = gBS->CreateEvent (\r | |
1773 | EFI_EVENT_TIMER,\r | |
1774 | EFI_TPL_CALLBACK,\r | |
1775 | NULL,\r | |
1776 | NULL,\r | |
1777 | &TimeoutEvent\r | |
1778 | );\r | |
1779 | \r | |
1780 | if (EFI_ERROR (StatCode)) {\r | |
1781 | return FALSE;\r | |
1782 | }\r | |
1783 | \r | |
1784 | StatCode = gBS->SetTimer (\r | |
1785 | TimeoutEvent,\r | |
1786 | TimerPeriodic,\r | |
1787 | Private->Timeout * 10000000 + 1000000\r | |
1788 | );\r | |
1789 | \r | |
1790 | if (EFI_ERROR (StatCode)) {\r | |
1791 | gBS->CloseEvent (TimeoutEvent);\r | |
1792 | return FALSE;\r | |
1793 | }\r | |
1794 | //\r | |
1795 | // wait for ACK\r | |
1796 | //\r | |
1797 | for (;;) {\r | |
1798 | if (GetOfferAck (\r | |
1799 | Private,\r | |
1800 | DHCPAckEdit,\r | |
1801 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP,\r | |
1802 | &ServerIp,\r | |
1803 | &DhcpServerPort,\r | |
1804 | &ClientIp,\r | |
1805 | &DHCPClientPort,\r | |
1806 | DhcpRxBuf,\r | |
1807 | TimeoutEvent\r | |
1808 | ) != EFI_SUCCESS) {\r | |
1809 | break;\r | |
1810 | }\r | |
1811 | //\r | |
1812 | // check type of response - need DHCPACK\r | |
1813 | //\r | |
1814 | if (CompareMem (\r | |
1815 | &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r | |
1816 | &DhcpRxBuf->u.Dhcpv4.yiaddr,\r | |
1817 | sizeof (EFI_IPv4_ADDRESS)\r | |
1818 | ) || CompareMem (\r | |
1819 | &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r | |
1820 | &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r | |
1821 | sizeof (EFI_IPv4_ADDRESS)\r | |
1822 | )) {\r | |
1823 | continue;\r | |
1824 | }\r | |
1825 | //\r | |
1826 | // got ACK\r | |
1827 | // check with ARP that IP unused - good return true\r | |
1828 | //\r | |
1829 | if (!SetStationIP (Private)) {\r | |
1830 | //\r | |
1831 | // fail - send DHCPDECLINE and return false\r | |
1832 | //\r | |
1833 | DeclineOffer (Private);\r | |
1834 | break;\r | |
1835 | }\r | |
1836 | \r | |
1837 | LocalPtr.OpPtr = DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r | |
1838 | \r | |
1839 | if (LocalPtr.OpPtr != NULL) {\r | |
1840 | CopyMem (\r | |
1841 | (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask,\r | |
1842 | &LocalPtr.SubnetMaskStr->Ip,\r | |
1843 | sizeof (EFI_IPv4_ADDRESS)\r | |
1844 | );\r | |
1845 | }\r | |
1846 | \r | |
1847 | AddRouters (Private, DhcpRxBuf);\r | |
1848 | gBS->CloseEvent (TimeoutEvent);\r | |
1849 | return TRUE;\r | |
1850 | }\r | |
1851 | \r | |
1852 | gBS->CloseEvent (TimeoutEvent);\r | |
1853 | return FALSE;\r | |
1854 | }\r | |
1855 | \r | |
1856 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1857 | \r | |
1858 | //\r | |
1859 | // try a DHCP server of appropriate type\r | |
1860 | //\r | |
1861 | STATIC\r | |
1862 | BOOLEAN\r | |
1863 | TryDHCPFinishDORA (\r | |
1864 | PXE_BASECODE_DEVICE *Private,\r | |
1865 | INTN TypeIx\r | |
1866 | )\r | |
1867 | {\r | |
1868 | INTN Index;\r | |
1869 | \r | |
1870 | //\r | |
1871 | // go through the DHCP servers of the requested type\r | |
1872 | //\r | |
1873 | for (Index = 0; Index < Private->ServerCount[TypeIx]; ++Index) {\r | |
1874 | if (TryFinishDORA (Private, Index = Private->OfferCount[TypeIx][Index])) {\r | |
1875 | if (TypeIx == BINL_IX && !TryFinishBINL (Private, Index)) {\r | |
1876 | continue;\r | |
1877 | }\r | |
1878 | \r | |
1879 | return TRUE;\r | |
1880 | }\r | |
1881 | }\r | |
1882 | \r | |
1883 | return FALSE;\r | |
1884 | }\r | |
1885 | \r | |
1886 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1887 | \r | |
1888 | //\r | |
1889 | // try a DHCP only server and a proxy of appropriate type\r | |
1890 | //\r | |
1891 | STATIC\r | |
1892 | BOOLEAN\r | |
1893 | TryProxyFinishDORA (\r | |
1894 | PXE_BASECODE_DEVICE *Private,\r | |
1895 | INTN TypeIx\r | |
1896 | )\r | |
1897 | {\r | |
1898 | INTN Index;\r | |
1899 | \r | |
1900 | if (!Private->GotProxy[TypeIx]) {\r | |
1901 | //\r | |
1902 | // no proxies of the type wanted\r | |
1903 | //\r | |
1904 | return FALSE;\r | |
1905 | }\r | |
1906 | //\r | |
1907 | // go through the DHCP only servers\r | |
1908 | //\r | |
1909 | for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r | |
1910 | if (TryFinishDORA (Private, Private->OfferCount[DHCP_ONLY_IX][Index])) {\r | |
1911 | if (TypeIx != BINL_IX) {\r | |
1912 | CopyProxyRxBuf (Private, Private->GotProxy[TypeIx] - 1);\r | |
1913 | } else if (!TryFinishProxyBINL (Private)) {\r | |
1914 | //\r | |
1915 | // if didn't work with this DHCP, won't work with any\r | |
1916 | //\r | |
1917 | return FALSE;\r | |
1918 | }\r | |
1919 | \r | |
1920 | return TRUE;\r | |
1921 | }\r | |
1922 | }\r | |
1923 | \r | |
1924 | return FALSE;\r | |
1925 | }\r | |
1926 | \r | |
1927 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1928 | \r | |
1929 | //\r | |
1930 | // getting to the bottom of the barrel\r | |
1931 | //\r | |
1932 | STATIC\r | |
1933 | BOOLEAN\r | |
1934 | TryAnyWithBootfileFinishDORA (\r | |
1935 | PXE_BASECODE_DEVICE *Private\r | |
1936 | )\r | |
1937 | {\r | |
1938 | //\r | |
1939 | // try a DHCP only server who has a bootfile\r | |
1940 | //\r | |
1941 | UNION_PTR LocalPtr;\r | |
1942 | INTN Index;\r | |
1943 | \r | |
1944 | for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r | |
1945 | INTN offer;\r | |
1946 | \r | |
1947 | offer = Private->OfferCount[DHCP_ONLY_IX][Index];\r | |
1948 | \r | |
1949 | if (RxBuf[offer].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && TryFinishDORA (Private, offer)) {\r | |
1950 | return TRUE;\r | |
1951 | }\r | |
1952 | }\r | |
1953 | //\r | |
1954 | // really at bottom - see if be have any bootps\r | |
1955 | //\r | |
1956 | if (!Private->GotBootp) {\r | |
1957 | return FALSE;\r | |
1958 | }\r | |
1959 | \r | |
1960 | DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[Private->GotBootp - 1].u.Dhcpv4.yiaddr;\r | |
1961 | \r | |
1962 | if (!SetStationIP (Private)) {\r | |
1963 | return FALSE;\r | |
1964 | }\r | |
1965 | //\r | |
1966 | // treat BOOTP response as DHCP ACK packet\r | |
1967 | //\r | |
1968 | CopyParseRxBuf (Private, Private->GotBootp - 1, DHCPV4_ACK_INDEX);\r | |
1969 | \r | |
1970 | LocalPtr.OpPtr = RxBuf[Private->GotBootp - 1].OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r | |
1971 | \r | |
1972 | if (LocalPtr.OpPtr != NULL) {\r | |
1973 | *(EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask = LocalPtr.SubnetMaskStr->Ip;\r | |
1974 | }\r | |
1975 | \r | |
1976 | return TRUE;\r | |
1977 | }\r | |
1978 | \r | |
1979 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1980 | \r | |
1981 | /* DoDhcpDora()\r | |
1982 | */\r | |
1983 | STATIC\r | |
1984 | EFI_STATUS\r | |
1985 | DoDhcpDora (\r | |
1986 | PXE_BASECODE_DEVICE *Private,\r | |
1987 | BOOLEAN SortOffers\r | |
1988 | )\r | |
1989 | {\r | |
1990 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
1991 | EFI_STATUS StatCode;\r | |
1992 | INTN NumOffers;\r | |
1993 | \r | |
1994 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP | EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST;\r | |
1995 | \r | |
1996 | Filter.IpCnt = 0;\r | |
1997 | Filter.reserved = 0;\r | |
1998 | \r | |
1999 | //\r | |
2000 | // set filter unicast or broadcast\r | |
2001 | //\r | |
2002 | if ((StatCode = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r | |
2003 | return StatCode;\r | |
2004 | }\r | |
2005 | //\r | |
2006 | // seed random number with hardware address\r | |
2007 | //\r | |
2008 | SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r | |
2009 | \r | |
2010 | for (Private->Timeout = 1;\r | |
2011 | Private->Timeout < 17;\r | |
2012 | Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), Private->Timeout <<= 1\r | |
2013 | ) {\r | |
2014 | INTN Index;\r | |
2015 | \r | |
2016 | InitDhcpv4TxBuf (Private);\r | |
2017 | DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r | |
2018 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
2019 | \r | |
2020 | //\r | |
2021 | // broadcast DHCPDISCOVER\r | |
2022 | //\r | |
2023 | StatCode = DoUdpWrite (\r | |
2024 | Private,\r | |
2025 | &BroadcastIP,\r | |
2026 | &DhcpServerPort,\r | |
2027 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2028 | &DHCPClientPort\r | |
2029 | );\r | |
2030 | \r | |
2031 | if (StatCode != EFI_SUCCESS) {\r | |
2032 | return StatCode;\r | |
2033 | }\r | |
2034 | \r | |
2035 | CopyMem (\r | |
2036 | &Private->EfiBc.Mode->DhcpDiscover,\r | |
2037 | (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r | |
2038 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2039 | );\r | |
2040 | \r | |
2041 | //\r | |
2042 | // get DHCPOFFER's\r | |
2043 | //\r | |
2044 | if ((StatCode = GetOffers (Private)) != EFI_SUCCESS) {\r | |
2045 | if (StatCode != EFI_NO_RESPONSE) {\r | |
2046 | return StatCode;\r | |
2047 | }\r | |
2048 | \r | |
2049 | continue;\r | |
2050 | }\r | |
2051 | //\r | |
2052 | // select offer and reply DHCPREQUEST\r | |
2053 | //\r | |
2054 | if (SortOffers) {\r | |
2055 | if (TryDHCPFinishDORA(Private, PXE10_IX) || // try DHCP with PXE10\r | |
2056 | TryDHCPFinishDORA(Private, WfM11a_IX) || // no - try with WfM\r | |
2057 | TryProxyFinishDORA(Private, PXE10_IX) || // no - try DHCP only and proxy with PXE10\r | |
2058 | TryProxyFinishDORA(Private, WfM11a_IX) || // no - try DHCP only and proxy with WfM\r | |
2059 | TryDHCPFinishDORA(Private, BINL_IX) || // no - try with WfM\r | |
2060 | TryProxyFinishDORA(Private, BINL_IX) || // no - try DHCP only and proxy with PXE10\r | |
2061 | TryAnyWithBootfileFinishDORA(Private))\r | |
2062 | {\r | |
2063 | return EFI_SUCCESS;\r | |
2064 | }\r | |
2065 | \r | |
2066 | continue;\r | |
2067 | }\r | |
2068 | //\r | |
2069 | // FIFO order\r | |
2070 | //\r | |
2071 | NumOffers = Private->NumOffersReceived;\r | |
2072 | \r | |
2073 | for (Index = 0; Index < NumOffers; ++Index) {\r | |
2074 | //\r | |
2075 | // ignore proxies\r | |
2076 | //\r | |
2077 | if (!RxBuf[Index].u.Dhcpv4.yiaddr) {\r | |
2078 | continue;\r | |
2079 | }\r | |
2080 | //\r | |
2081 | // check if a bootp server\r | |
2082 | //\r | |
2083 | if (!RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1]) {\r | |
2084 | //\r | |
2085 | // it is - just check ARP\r | |
2086 | //\r | |
2087 | if (!SetStationIP (Private)) {\r | |
2088 | continue;\r | |
2089 | }\r | |
2090 | }\r | |
2091 | //\r | |
2092 | // else check if a DHCP only server\r | |
2093 | //\r | |
2094 | else if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE))) {\r | |
2095 | //\r | |
2096 | // it is a normal DHCP offer (without any PXE options), just finish the D.O.R.A by sending DHCP request.\r | |
2097 | //\r | |
2098 | if (!TryFinishDORA (Private, Index)) {\r | |
2099 | continue;\r | |
2100 | }\r | |
2101 | } else if (TryFinishDORA (Private, Index)) {\r | |
2102 | if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) && !TryFinishBINL (Private, Index)) {\r | |
2103 | continue;\r | |
2104 | }\r | |
2105 | }\r | |
2106 | \r | |
2107 | DEBUG ((EFI_D_WARN, "\nDoDhcpDora() Got packets. "));\r | |
2108 | return EFI_SUCCESS;\r | |
2109 | }\r | |
2110 | //\r | |
2111 | // now look for DHCP onlys and a Proxy\r | |
2112 | //\r | |
2113 | for (Index = 0; Index < NumOffers; ++Index) {\r | |
0cc82df1 | 2114 | UINT8 Index2;\r |
878ddf1f | 2115 | \r |
2116 | //\r | |
2117 | // ignore proxies, bootps, non DHCP onlys, and bootable DHCPS\r | |
2118 | //\r | |
2119 | if (!RxBuf[Index].u.Dhcpv4.yiaddr ||\r | |
2120 | !RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1] ||\r | |
2121 | RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE) ||\r | |
2122 | RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r | |
2123 | ) {\r | |
2124 | continue;\r | |
2125 | }\r | |
2126 | //\r | |
2127 | // found non bootable DHCP only - try to find a proxy\r | |
2128 | //\r | |
2129 | for (Index2 = 0; Index2 < NumOffers; ++Index2) {\r | |
2130 | if (!RxBuf[Index2].u.Dhcpv4.yiaddr) {\r | |
2131 | if (!TryFinishDORA (Private, Index)) {\r | |
2132 | //\r | |
2133 | // DHCP no ACK\r | |
2134 | //\r | |
2135 | break;\r | |
2136 | }\r | |
2137 | \r | |
2138 | if (RxBuf[Index2].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) {\r | |
2139 | CopyProxyRxBuf (Private, Index2);\r | |
2140 | } else if (!TryFinishBINL (Private, Index2)) {\r | |
2141 | continue;\r | |
2142 | }\r | |
2143 | \r | |
2144 | DEBUG ((EFI_D_WARN, "\nDoDhcpDora() Got packets. "));\r | |
2145 | return EFI_SUCCESS;\r | |
2146 | }\r | |
2147 | }\r | |
2148 | }\r | |
2149 | }\r | |
2150 | \r | |
2151 | return EFI_NO_RESPONSE;\r | |
2152 | }\r | |
2153 | \r | |
2154 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2155 | \r | |
2156 | //\r | |
2157 | // determine if the server ip is in the ip list\r | |
2158 | //\r | |
1cc8ee78 | 2159 | STATIC\r |
878ddf1f | 2160 | BOOLEAN\r |
2161 | InServerList (\r | |
2162 | EFI_IP_ADDRESS *ServerIpPtr,\r | |
2163 | PXE_SERVER_LISTS *ServerListPtr\r | |
2164 | )\r | |
2165 | {\r | |
2166 | UINTN Index;\r | |
2167 | \r | |
2168 | if (!ServerListPtr || !ServerListPtr->Ipv4List.IpCount) {\r | |
2169 | return TRUE;\r | |
2170 | }\r | |
2171 | \r | |
2172 | for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r | |
2173 | if (!CompareMem (\r | |
2174 | ServerIpPtr,\r | |
2175 | &ServerListPtr->Ipv4List.IpList[Index],\r | |
2176 | sizeof (EFI_IPv4_ADDRESS)\r | |
2177 | )) {\r | |
2178 | return TRUE;\r | |
2179 | }\r | |
2180 | }\r | |
2181 | \r | |
2182 | return FALSE;\r | |
2183 | }\r | |
2184 | \r | |
2185 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 2186 | STATIC\r |
878ddf1f | 2187 | BOOLEAN\r |
2188 | ExtractBootServerList (\r | |
2189 | UINT16 Type,\r | |
2190 | DHCPV4_OP_STRUCT *ptr,\r | |
2191 | PXE_SERVER_LISTS **ServerListPtr\r | |
2192 | )\r | |
2193 | {\r | |
2194 | UNION_PTR LocalPtr;\r | |
2195 | INTN ServerListLen;\r | |
2196 | \r | |
2197 | LocalPtr.OpPtr = ptr;\r | |
2198 | ServerListLen = LocalPtr.BootServersStr->Header.Length;\r | |
2199 | \r | |
2200 | //\r | |
2201 | // find type\r | |
2202 | //\r | |
2203 | LocalPtr.BootServerList = LocalPtr.BootServersStr->ServerList;\r | |
2204 | \r | |
2205 | while (ServerListLen) {\r | |
2206 | INTN ServerEntryLen;\r | |
2207 | \r | |
2208 | ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (LocalPtr.BootServerList->u.Ipv4List.IpCount - 1) *\r | |
2209 | sizeof (EFI_IPv4_ADDRESS);\r | |
2210 | \r | |
2211 | if (NTOHS (LocalPtr.BootServerList->Type) == Type) {\r | |
2212 | *ServerListPtr = &LocalPtr.BootServerList->u;\r | |
2213 | return TRUE;\r | |
2214 | }\r | |
2215 | \r | |
2216 | (LocalPtr.BytePtr) += ServerEntryLen;\r | |
2217 | ServerListLen -= ServerEntryLen;\r | |
2218 | }\r | |
2219 | \r | |
2220 | return FALSE;\r | |
2221 | }\r | |
2222 | \r | |
2223 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 2224 | STATIC\r |
878ddf1f | 2225 | VOID\r |
2226 | FreeMem (\r | |
2227 | PXE_BASECODE_DEVICE *Private\r | |
2228 | )\r | |
2229 | {\r | |
2230 | if (Private->TransmitBuffer != NULL) {\r | |
26aa0c2f | 2231 | FreePool (Private->TransmitBuffer);\r |
878ddf1f | 2232 | Private->TransmitBuffer = NULL;\r |
2233 | }\r | |
2234 | \r | |
2235 | if (Private->ReceiveBuffers != NULL) {\r | |
26aa0c2f | 2236 | FreePool (Private->ReceiveBuffers);\r |
878ddf1f | 2237 | Private->ReceiveBuffers = NULL;\r |
2238 | }\r | |
2239 | }\r | |
2240 | \r | |
2241 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 2242 | STATIC\r |
878ddf1f | 2243 | BOOLEAN\r |
2244 | GetMem (\r | |
2245 | PXE_BASECODE_DEVICE *Private\r | |
2246 | )\r | |
2247 | {\r | |
878ddf1f | 2248 | \r |
2249 | if (Private->DhcpPacketBuffer == NULL) {\r | |
26aa0c2f LG |
2250 | Private->DhcpPacketBuffer = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1));\r |
2251 | if (Private->DhcpPacketBuffer == NULL) {\r | |
878ddf1f | 2252 | FreeMem (Private);\r |
2253 | return FALSE;\r | |
2254 | }\r | |
2255 | }\r | |
2256 | \r | |
26aa0c2f LG |
2257 | Private->TransmitBuffer = AllocatePool (sizeof (EFI_PXE_BASE_CODE_PACKET));\r |
2258 | if (Private->TransmitBuffer == NULL) {\r | |
2259 | FreePool (Private->DhcpPacketBuffer);\r | |
878ddf1f | 2260 | Private->DhcpPacketBuffer = NULL;\r |
878ddf1f | 2261 | FreeMem (Private);\r |
2262 | return FALSE;\r | |
2263 | }\r | |
2264 | \r | |
26aa0c2f LG |
2265 | Private->ReceiveBuffers = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (MAX_OFFERS));\r |
2266 | if (Private->ReceiveBuffers == NULL) {\r | |
2267 | FreePool (Private->TransmitBuffer);\r | |
2268 | FreePool (Private->DhcpPacketBuffer);\r | |
878ddf1f | 2269 | Private->DhcpPacketBuffer = NULL;\r |
2270 | Private->TransmitBuffer = NULL;\r | |
878ddf1f | 2271 | FreeMem (Private);\r |
2272 | return FALSE;\r | |
2273 | }\r | |
2274 | \r | |
2275 | return TRUE;\r | |
2276 | }\r | |
2277 | \r | |
2278 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2279 | EFI_STATUS\r | |
2280 | EFIAPI\r | |
2281 | BcDhcp (\r | |
2282 | IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r | |
2283 | IN BOOLEAN SortOffers\r | |
2284 | )\r | |
2285 | /*++\r | |
2286 | Routine description:\r | |
2287 | standard DHCP Discover/Offer/Request/Ack session\r | |
2288 | broadcast DHCPDISCOVER\r | |
2289 | receive DHCPOFFER's\r | |
2290 | broadcast DHCPREQUEST\r | |
2291 | receive DHCPACK\r | |
2292 | check (ARP) good IP\r | |
2293 | \r | |
2294 | Parameters:\r | |
2295 | This := Pointer to PxeBc interface\r | |
3aaddf92 | 2296 | SortOffers :=\r |
878ddf1f | 2297 | \r |
2298 | Returns:\r | |
2299 | --*/\r | |
2300 | {\r | |
2301 | EFI_PXE_BASE_CODE_IP_FILTER Filter;\r | |
2302 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2303 | PXE_BASECODE_DEVICE *Private;\r | |
2304 | EFI_STATUS StatCode;\r | |
2305 | \r | |
2306 | //\r | |
2307 | // Lock the instance data and make sure started\r | |
2308 | //\r | |
2309 | StatCode = EFI_SUCCESS;\r | |
2310 | \r | |
2311 | if (This == NULL) {\r | |
2312 | DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r | |
2313 | return EFI_INVALID_PARAMETER;\r | |
2314 | }\r | |
2315 | \r | |
2316 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
2317 | \r | |
2318 | if (Private == NULL) {\r | |
2319 | DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE pointer == NULL"));\r | |
2320 | return EFI_INVALID_PARAMETER;\r | |
2321 | }\r | |
2322 | \r | |
2323 | EfiAcquireLock (&Private->Lock);\r | |
2324 | \r | |
2325 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
2326 | DEBUG ((EFI_D_ERROR, "BC was not started."));\r | |
2327 | EfiReleaseLock (&Private->Lock);\r | |
2328 | return EFI_NOT_STARTED;\r | |
2329 | }\r | |
2330 | \r | |
2331 | Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;\r | |
2332 | Filter.IpCnt = 0;\r | |
2333 | Filter.reserved = 0;\r | |
2334 | \r | |
2335 | DEBUG ((EFI_D_INFO, "\nBcDhcp() Enter. "));\r | |
2336 | \r | |
2337 | PxebcMode = Private->EfiBc.Mode;\r | |
2338 | \r | |
2339 | if (!GetMem (Private)) {\r | |
2340 | DEBUG ((EFI_D_ERROR, "\nBcDhcp() GetMem() failed.\n"));\r | |
2341 | EfiReleaseLock (&Private->Lock);\r | |
2342 | return EFI_OUT_OF_RESOURCES;\r | |
2343 | }\r | |
2344 | \r | |
2345 | PxebcMode->DhcpDiscoverValid = FALSE;\r | |
2346 | PxebcMode->DhcpAckReceived = FALSE;\r | |
2347 | PxebcMode->ProxyOfferReceived = FALSE;\r | |
2348 | \r | |
2349 | Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DHCP;\r | |
2350 | \r | |
2351 | //\r | |
2352 | // Issue BC command\r | |
2353 | //\r | |
2354 | if (Private->TotalSeconds == 0) {\r | |
2355 | //\r | |
2356 | // put in seconds field of DHCP send packets\r | |
2357 | //\r | |
2358 | Private->TotalSeconds = 4;\r | |
2359 | }\r | |
2360 | \r | |
2361 | if ((StatCode = DoDhcpDora (Private, SortOffers)) == EFI_SUCCESS) {\r | |
2362 | //\r | |
2363 | // success - copy packets\r | |
2364 | //\r | |
2365 | PxebcMode->DhcpDiscoverValid = PxebcMode->DhcpAckReceived = TRUE;\r | |
2366 | \r | |
2367 | CopyMem (\r | |
2368 | &PxebcMode->DhcpAck,\r | |
2369 | (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_ACK_PACKET,\r | |
2370 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2371 | );\r | |
2372 | \r | |
2373 | if (PxebcMode->ProxyOfferReceived) {\r | |
2374 | CopyMem (\r | |
2375 | &PxebcMode->ProxyOffer,\r | |
2376 | (EFI_PXE_BASE_CODE_PACKET *) &PXE_OFFER_PACKET,\r | |
2377 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2378 | );\r | |
2379 | }\r | |
2380 | }\r | |
2381 | //\r | |
2382 | // set filter back to unicast\r | |
2383 | //\r | |
2384 | IpFilter (Private, &Filter);\r | |
2385 | \r | |
2386 | FreeMem (Private);\r | |
2387 | \r | |
2388 | //\r | |
2389 | // Unlock the instance data\r | |
2390 | //\r | |
2391 | DEBUG ((EFI_D_WARN, "\nBcDhcp() Exit = %xh ", StatCode));\r | |
2392 | \r | |
2393 | EfiReleaseLock (&Private->Lock);\r | |
2394 | return StatCode;\r | |
2395 | }\r | |
2396 | \r | |
2397 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2398 | STATIC\r | |
2399 | BOOLEAN\r | |
2400 | VerifyCredentialOption (\r | |
2401 | UINT8 *tx,\r | |
2402 | UINT8 *rx\r | |
2403 | )\r | |
2404 | {\r | |
2405 | UINTN n;\r | |
2406 | \r | |
2407 | //\r | |
2408 | // Fail verification if either pointer is NULL.\r | |
2409 | //\r | |
2410 | if (tx == NULL || rx == NULL) {\r | |
2411 | return FALSE;\r | |
2412 | }\r | |
2413 | //\r | |
2414 | // Fail verification if tx[0] is not a credential type option\r | |
2415 | // or if the length is zero or not a multiple of four.\r | |
2416 | //\r | |
2417 | if (tx[0] != VEND_PXE_CREDENTIAL_TYPES || tx[1] == 0 || tx[1] % 4 != 0) {\r | |
2418 | return FALSE;\r | |
2419 | }\r | |
2420 | //\r | |
2421 | // Fail verification if rx[0] is not a credential type option\r | |
2422 | // or if the length is not equal to four.\r | |
2423 | //\r | |
2424 | if (rx[0] != VEND_PXE_CREDENTIAL_TYPES || rx[1] != 4) {\r | |
2425 | return FALSE;\r | |
2426 | }\r | |
2427 | //\r | |
2428 | // Look through transmitted credential types for a copy\r | |
2429 | // of the received credential type.\r | |
2430 | //\r | |
2431 | for (n = 0; n < tx[1]; n += 4) {\r | |
2432 | if (!CompareMem (&tx[n + 2], &rx[2], 4)) {\r | |
2433 | return TRUE;\r | |
2434 | }\r | |
2435 | }\r | |
2436 | \r | |
2437 | return FALSE;\r | |
2438 | }\r | |
2439 | \r | |
2440 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
1cc8ee78 | 2441 | STATIC\r |
878ddf1f | 2442 | EFI_STATUS\r |
2443 | DoDiscover (\r | |
2444 | PXE_BASECODE_DEVICE *Private,\r | |
2445 | UINT16 OpFlags,\r | |
2446 | IN UINT16 Type,\r | |
2447 | IN UINT16 *LayerPtr,\r | |
2448 | IN BOOLEAN UseBis,\r | |
2449 | EFI_IP_ADDRESS *DestPtr,\r | |
2450 | PXE_SERVER_LISTS *ServerListPtr\r | |
2451 | )\r | |
2452 | /*++\r | |
3aaddf92 | 2453 | Routine description:\r |
878ddf1f | 2454 | This function tries to complete the PXE Bootserver and/or boot image\r |
2455 | discovery sequence. When this command completes successfully, the\r | |
2456 | PXEdiscover and PXEreply fields in the BC instance data structure are\r | |
2457 | updated. If the Info pointer is set to NULL, the discovery information\r | |
3aaddf92 | 2458 | in the DHCPack and ProxyOffer packets must be valid and will be used.\r |
878ddf1f | 2459 | If Info is not set to NULL, the discovery methods in the Info field\r |
2460 | must be set and will be used. When discovering any layer number other\r | |
2461 | than zero (the credential flag does not count), only unicast discovery\r | |
2462 | is used.\r | |
2463 | \r | |
2464 | Parameters:\r | |
2465 | Private := Pointer to PxeBc interface\r | |
3aaddf92 | 2466 | OpFlags :=\r |
2467 | Type :=\r | |
2468 | LayerPtr :=\r | |
2469 | UseBis :=\r | |
2470 | DestPtr :=\r | |
2471 | ServerListPtr :=\r | |
878ddf1f | 2472 | \r |
2473 | Returns:\r | |
2474 | --*/\r | |
2475 | {\r | |
2476 | EFI_PXE_BASE_CODE_UDP_PORT ClientPort;\r | |
2477 | EFI_PXE_BASE_CODE_UDP_PORT ServerPort;\r | |
2478 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2479 | EFI_STATUS StatCode;\r | |
2480 | EFI_EVENT TimeoutEvent;\r | |
2481 | UINT8 OpLen;\r | |
2482 | \r | |
2483 | PxebcMode = Private->EfiBc.Mode;\r | |
2484 | \r | |
2485 | if (DestPtr->Addr[0] == 0) {\r | |
2486 | DEBUG ((EFI_D_WARN, "\nDoDiscover() !DestPtr->Addr[0]"));\r | |
2487 | return EFI_INVALID_PARAMETER;\r | |
2488 | }\r | |
2489 | //\r | |
2490 | // seed random number with hardware address\r | |
2491 | //\r | |
2492 | SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r | |
2493 | \r | |
2494 | if (DestPtr->Addr[0] == BroadcastIP.Addr[0]) {\r | |
2495 | ClientPort = DHCPClientPort;\r | |
2496 | ServerPort = DhcpServerPort;\r | |
2497 | } else {\r | |
2498 | ClientPort = PSEUDO_DHCP_CLIENT_PORT;\r | |
2499 | ServerPort = PseudoDhcpServerPort;\r | |
2500 | }\r | |
2501 | \r | |
2502 | if (UseBis) {\r | |
2503 | *LayerPtr |= PXE_BOOT_LAYER_CREDENTIAL_FLAG;\r | |
2504 | } else {\r | |
2505 | *LayerPtr &= PXE_BOOT_LAYER_MASK;\r | |
2506 | }\r | |
2507 | \r | |
2508 | for (Private->Timeout = 1;\r | |
2509 | Private->Timeout < 5;\r | |
2510 | Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Private->Timeout\r | |
2511 | ) {\r | |
2512 | InitDhcpv4TxBuf (Private);\r | |
2513 | //\r | |
2514 | // initialize DHCP message structure\r | |
2515 | //\r | |
2516 | DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r | |
2517 | DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r | |
2518 | CopyMem (\r | |
2519 | &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2520 | &PxebcMode->StationIp,\r | |
2521 | sizeof DHCPV4_TRANSMIT_BUFFER.ciaddr\r | |
2522 | );\r | |
2523 | \r | |
2524 | DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r | |
2525 | DISCOVERoptions.Header.OpCode = OP_VENDOR_SPECIFIC;\r | |
2526 | DISCOVERoptions.BootItem.Header.OpCode = VEND_PXE_BOOT_ITEM;\r | |
2527 | DISCOVERoptions.BootItem.Header.Length = DHCPV4_OPTION_LENGTH (PXE_OP_BOOT_ITEM);\r | |
2528 | DISCOVERoptions.BootItem.Type = HTONS (Type);\r | |
2529 | DISCOVERoptions.BootItem.Layer = HTONS (*LayerPtr);\r | |
2530 | \r | |
2531 | if (UseBis) {\r | |
2532 | EFI_BIS_PROTOCOL *BisPtr;\r | |
2533 | BIS_APPLICATION_HANDLE BisAppHandle;\r | |
2534 | EFI_BIS_DATA *BisDataSigInfo;\r | |
2535 | EFI_BIS_SIGNATURE_INFO *BisSigInfo;\r | |
2536 | UINTN Index;\r | |
2537 | UINTN Index2;\r | |
2538 | \r | |
2539 | BisPtr = PxebcBisStart (\r | |
2540 | Private,\r | |
2541 | &BisAppHandle,\r | |
2542 | &BisDataSigInfo\r | |
2543 | );\r | |
2544 | \r | |
2545 | if (BisPtr == NULL) {\r | |
2546 | //\r | |
2547 | // %%TBD - In order to get here, BIS must have\r | |
2548 | // been present when PXEBC.Start() was called.\r | |
2549 | // BIS had to be shutdown/removed/damaged\r | |
2550 | // before PXEBC.Discover() was called.\r | |
2551 | // Do we need to document a specific error\r | |
2552 | // for this case?\r | |
2553 | //\r | |
2554 | return EFI_OUT_OF_RESOURCES;\r | |
2555 | }\r | |
2556 | //\r | |
2557 | // Compute number of credential types.\r | |
2558 | //\r | |
2559 | Index2 = BisDataSigInfo->Length / sizeof (EFI_BIS_SIGNATURE_INFO);\r | |
2560 | \r | |
2561 | DISCREDoptions.Header.OpCode = VEND_PXE_CREDENTIAL_TYPES;\r | |
2562 | \r | |
2563 | DISCREDoptions.Header.Length = (UINT8) (Index2 * sizeof (PXE_CREDENTIAL));\r | |
2564 | \r | |
2565 | OpLen = (UINT8) (DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS) + sizeof (DHCPV4_OP_HEADER) + DISCREDoptions.Header.Length);\r | |
2566 | \r | |
2567 | BisSigInfo = (EFI_BIS_SIGNATURE_INFO *) BisDataSigInfo->Data;\r | |
2568 | \r | |
2569 | for (Index = 0; Index < Index2; ++Index) {\r | |
2570 | UINT32 x;\r | |
2571 | \r | |
2572 | CopyMem (&x, &BisSigInfo[Index], sizeof x);\r | |
2573 | x = HTONL (x);\r | |
2574 | CopyMem (&DISCREDoptions.Credentials[Index], &x, sizeof x);\r | |
2575 | }\r | |
2576 | \r | |
2577 | PxebcBisStop (BisPtr, BisAppHandle, BisDataSigInfo);\r | |
2578 | } else {\r | |
2579 | OpLen = DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS);\r | |
2580 | }\r | |
2581 | \r | |
2582 | DISCOVERoptions.Header.Length = OpLen;\r | |
2583 | \r | |
2584 | ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen - 1] = OP_END;\r | |
2585 | ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen] = OP_END;\r | |
2586 | \r | |
2587 | StatCode = DoUdpWrite (\r | |
2588 | Private,\r | |
2589 | DestPtr,\r | |
2590 | &ServerPort,\r | |
2591 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2592 | &ClientPort\r | |
2593 | );\r | |
2594 | \r | |
2595 | if (StatCode != EFI_SUCCESS) {\r | |
2596 | return StatCode;\r | |
2597 | }\r | |
2598 | //\r | |
2599 | //\r | |
2600 | //\r | |
2601 | StatCode = gBS->CreateEvent (\r | |
2602 | EFI_EVENT_TIMER,\r | |
2603 | EFI_TPL_CALLBACK,\r | |
2604 | NULL,\r | |
2605 | NULL,\r | |
2606 | &TimeoutEvent\r | |
2607 | );\r | |
2608 | \r | |
2609 | if (EFI_ERROR (StatCode)) {\r | |
2610 | return StatCode;\r | |
2611 | }\r | |
2612 | \r | |
2613 | StatCode = gBS->SetTimer (\r | |
2614 | TimeoutEvent,\r | |
2615 | TimerRelative,\r | |
2616 | Private->Timeout * 10000000 + 1000000\r | |
2617 | );\r | |
2618 | \r | |
2619 | if (EFI_ERROR (StatCode)) {\r | |
2620 | gBS->CloseEvent (TimeoutEvent);\r | |
2621 | return StatCode;\r | |
2622 | }\r | |
2623 | //\r | |
2624 | // wait for ACK\r | |
2625 | //\r | |
2626 | for (;;) {\r | |
2627 | DHCP_RECEIVE_BUFFER *RxBufPtr;\r | |
2628 | UINT16 TmpType;\r | |
2629 | UINT16 TmpLayer;\r | |
2630 | \r | |
2631 | RxBufPtr = UseBis ? &PXE_BIS_BUFFER : &PXE_ACK_BUFFER;\r | |
2632 | ZeroMem (&Private->ServerIp, sizeof (EFI_IP_ADDRESS));\r | |
2633 | \r | |
2634 | if (GetOfferAck (\r | |
2635 | Private,\r | |
2636 | AckEdit,\r | |
2637 | OpFlags,\r | |
2638 | (EFI_IP_ADDRESS *) &Private->ServerIp,\r | |
2639 | 0,\r | |
2640 | (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r | |
2641 | &ClientPort,\r | |
2642 | RxBufPtr,\r | |
2643 | TimeoutEvent\r | |
2644 | ) != EFI_SUCCESS) {\r | |
2645 | break;\r | |
2646 | }\r | |
2647 | //\r | |
2648 | // check type of response - need PXEClient DHCPACK of proper type with bootfile\r | |
2649 | //\r | |
2650 | if (!(RxBufPtr->OpAdds.Status & PXE_TYPE) ||\r | |
2651 | (UseBis && (RxBufPtr->OpAdds.Status & USE_THREE_BYTE)) ||\r | |
2652 | !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] ||\r | |
2653 | !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1] ||\r | |
2654 | !InServerList((EFI_IP_ADDRESS *)&((DHCPV4_OP_SERVER_IP *)RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX-1])->Ip, ServerListPtr)) {\r | |
2655 | \r | |
2656 | continue;\r | |
2657 | }\r | |
2658 | \r | |
2659 | TmpType = TmpLayer = 0;\r | |
2660 | \r | |
2661 | if (RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r | |
2662 | TmpType = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Type);\r | |
2663 | \r | |
2664 | if (RxBufPtr->OpAdds.Status & USE_THREE_BYTE) {\r | |
2665 | TmpLayer = (UINT16) (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer >> 8);\r | |
2666 | } else {\r | |
2667 | TmpLayer = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer);\r | |
2668 | }\r | |
2669 | }\r | |
2670 | \r | |
2671 | if (TmpType != Type) {\r | |
2672 | continue;\r | |
2673 | }\r | |
2674 | \r | |
2675 | if (UseBis) {\r | |
2676 | if (!RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]) {\r | |
2677 | continue;\r | |
2678 | }\r | |
2679 | \r | |
2680 | if (!VerifyCredentialOption (\r | |
2681 | (UINT8 *) &DISCREDoptions.Header,\r | |
2682 | (UINT8 *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]\r | |
2683 | )) {\r | |
2684 | continue;\r | |
2685 | }\r | |
2686 | }\r | |
2687 | \r | |
2688 | *LayerPtr = TmpLayer;\r | |
2689 | \r | |
2690 | if (UseBis) {\r | |
2691 | CopyMem (\r | |
2692 | &PxebcMode->PxeBisReply,\r | |
2693 | &RxBufPtr->u.Dhcpv4,\r | |
2694 | sizeof (EFI_PXE_BASE_CODE_PACKET)\r | |
2695 | );\r | |
2696 | \r | |
2697 | PxebcMode->PxeBisReplyReceived = TRUE;\r | |
2698 | \r | |
2699 | StatCode = DoDiscover (\r | |
2700 | Private,\r | |
2701 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2702 | Type,\r | |
2703 | LayerPtr,\r | |
2704 | FALSE,\r | |
2705 | &Private->ServerIp,\r | |
2706 | 0\r | |
2707 | );\r | |
2708 | \r | |
2709 | gBS->CloseEvent (TimeoutEvent);\r | |
2710 | return StatCode;\r | |
2711 | }\r | |
2712 | \r | |
2713 | PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = TRUE;\r | |
2714 | \r | |
2715 | CopyMem (\r | |
2716 | &PxebcMode->PxeDiscover,\r | |
2717 | &*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r | |
2718 | sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER)\r | |
2719 | );\r | |
2720 | \r | |
2721 | CopyMem (\r | |
2722 | &PxebcMode->PxeReply,\r | |
2723 | &*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4,\r | |
2724 | sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4)\r | |
2725 | );\r | |
2726 | \r | |
2727 | AddRouters (Private, RxBufPtr);\r | |
2728 | \r | |
2729 | gBS->CloseEvent (TimeoutEvent);\r | |
2730 | return EFI_SUCCESS;\r | |
2731 | }\r | |
2732 | \r | |
2733 | gBS->CloseEvent (TimeoutEvent);\r | |
2734 | }\r | |
2735 | //\r | |
2736 | // end for loop\r | |
2737 | //\r | |
2738 | return EFI_TIMEOUT;\r | |
2739 | }\r | |
2740 | \r | |
2741 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2742 | STATIC\r | |
2743 | EFI_STATUS\r | |
2744 | Discover (\r | |
2745 | PXE_BASECODE_DEVICE *Private,\r | |
2746 | IN UINT16 Type,\r | |
2747 | IN UINT16 *LayerPtr,\r | |
2748 | IN BOOLEAN UseBis,\r | |
2749 | IN EFI_PXE_BASE_CODE_DISCOVER_INFO *DiscoverInfoPtr,\r | |
2750 | PXE_SERVER_LISTS *McastServerListPtr,\r | |
2751 | PXE_SERVER_LISTS *ServerListPtr\r | |
2752 | )\r | |
2753 | /*++\r | |
2754 | Routine Description:\r | |
2755 | \r | |
2756 | Parameters:\r | |
2757 | Private := Pointer to PxeBc interface\r | |
3aaddf92 | 2758 | Type :=\r |
2759 | LayerPtr :=\r | |
2760 | UseBis :=\r | |
2761 | DiscoverInfoPtr :=\r | |
2762 | McastServerListPtr :=\r | |
2763 | ServerListPtr :=\r | |
878ddf1f | 2764 | \r |
2765 | Returns:\r | |
2766 | --*/\r | |
2767 | {\r | |
2768 | EFI_IP_ADDRESS DestIp;\r | |
2769 | EFI_STATUS StatCode;\r | |
2770 | \r | |
2771 | DEBUG ((EFI_D_INFO, "\nDiscover() Type=%d Layer=%d ", Type, *LayerPtr));\r | |
2772 | \r | |
2773 | if (UseBis) {\r | |
2774 | DEBUG ((EFI_D_INFO, "BIS "));\r | |
2775 | }\r | |
2776 | //\r | |
2777 | // get dest IP addr - mcast, bcast, or unicast\r | |
2778 | //\r | |
2779 | if (DiscoverInfoPtr->UseMCast) {\r | |
2780 | DestIp.v4 = DiscoverInfoPtr->ServerMCastIp.v4;\r | |
2781 | \r | |
2782 | DEBUG (\r | |
2783 | (EFI_D_INFO,\r | |
2784 | "\nDiscover() MCast %d.%d.%d.%d ",\r | |
2785 | DestIp.v4.Addr[0],\r | |
2786 | DestIp.v4.Addr[1],\r | |
2787 | DestIp.v4.Addr[2],\r | |
2788 | DestIp.v4.Addr[3])\r | |
2789 | );\r | |
2790 | \r | |
2791 | if ((StatCode = DoDiscover (\r | |
2792 | Private,\r | |
2793 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2794 | Type,\r | |
2795 | LayerPtr,\r | |
2796 | UseBis,\r | |
2797 | &DestIp,\r | |
2798 | McastServerListPtr\r | |
2799 | )) != EFI_TIMEOUT) {\r | |
2800 | DEBUG (\r | |
2801 | (EFI_D_WARN,\r | |
2802 | "\nDiscover() status == %r (%Xh)",\r | |
2803 | StatCode,\r | |
2804 | StatCode)\r | |
2805 | );\r | |
2806 | \r | |
2807 | return StatCode;\r | |
2808 | }\r | |
2809 | }\r | |
2810 | \r | |
2811 | if (DiscoverInfoPtr->UseBCast) {\r | |
2812 | DEBUG ((EFI_D_INFO, "\nDiscver() BCast "));\r | |
2813 | \r | |
2814 | if ((StatCode = DoDiscover (\r | |
2815 | Private,\r | |
2816 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2817 | Type,\r | |
2818 | LayerPtr,\r | |
2819 | UseBis,\r | |
2820 | &BroadcastIP,\r | |
2821 | McastServerListPtr\r | |
2822 | )) != EFI_TIMEOUT) {\r | |
2823 | \r | |
2824 | DEBUG ((EFI_D_WARN, "\nDiscover() status == %r (%Xh)", StatCode, StatCode));\r | |
2825 | \r | |
2826 | return StatCode;\r | |
2827 | }\r | |
2828 | }\r | |
2829 | \r | |
2830 | if (DiscoverInfoPtr->UseUCast) {\r | |
2831 | UINTN Index;\r | |
2832 | \r | |
2833 | DEBUG (\r | |
2834 | (EFI_D_INFO,\r | |
2835 | "\nDiscover() UCast IP#=%d ",\r | |
2836 | ServerListPtr->Ipv4List.IpCount)\r | |
2837 | );\r | |
2838 | \r | |
2839 | for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r | |
2840 | CopyMem (&DestIp, &ServerListPtr->Ipv4List.IpList[Index], 4);\r | |
2841 | \r | |
2842 | DEBUG (\r | |
2843 | (EFI_D_INFO,\r | |
2844 | "\nDiscover() UCast %d.%d.%d.%d ",\r | |
2845 | DestIp.v4.Addr[0],\r | |
2846 | DestIp.v4.Addr[1],\r | |
2847 | DestIp.v4.Addr[2],\r | |
2848 | DestIp.v4.Addr[3])\r | |
2849 | );\r | |
2850 | \r | |
2851 | if ((StatCode = DoDiscover (\r | |
2852 | Private,\r | |
2853 | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r | |
2854 | Type,\r | |
2855 | LayerPtr,\r | |
2856 | UseBis,\r | |
2857 | &DestIp,\r | |
2858 | 0\r | |
2859 | )) != EFI_TIMEOUT) {\r | |
2860 | DEBUG (\r | |
2861 | (EFI_D_WARN,\r | |
2862 | "\nDiscover() status == %r (%Xh)",\r | |
2863 | StatCode,\r | |
2864 | StatCode)\r | |
2865 | );\r | |
2866 | \r | |
2867 | return StatCode;\r | |
2868 | }\r | |
2869 | }\r | |
2870 | }\r | |
2871 | \r | |
2872 | DEBUG ((EFI_D_WARN, "\nDiscover() TIMEOUT"));\r | |
2873 | \r | |
2874 | return EFI_TIMEOUT;\r | |
2875 | }\r | |
2876 | \r | |
2877 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
2878 | \r | |
2879 | /* BcDiscover()\r | |
2880 | */\r | |
2881 | EFI_STATUS\r | |
2882 | EFIAPI\r | |
2883 | BcDiscover (\r | |
2884 | IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r | |
2885 | IN UINT16 Type,\r | |
2886 | IN UINT16 *LayerPtr,\r | |
2887 | IN BOOLEAN UseBis,\r | |
2888 | IN EFI_PXE_BASE_CODE_DISCOVER_INFO * DiscoverInfoPtr OPTIONAL\r | |
2889 | )\r | |
2890 | /*++\r | |
2891 | Routine description:\r | |
2892 | \r | |
2893 | Parameters:\r | |
3aaddf92 | 2894 | This :=\r |
2895 | Type :=\r | |
2896 | LayerPtr :=\r | |
2897 | UseBis :=\r | |
2898 | DiscoverInfoPtr :=\r | |
878ddf1f | 2899 | \r |
2900 | Returns:\r | |
2901 | --*/\r | |
2902 | {\r | |
2903 | EFI_PXE_BASE_CODE_DISCOVER_INFO DefaultInfo;\r | |
2904 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
2905 | DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r | |
2906 | PXE_SERVER_LISTS DefaultSrvList;\r | |
2907 | PXE_SERVER_LISTS *ServerListPtr;\r | |
2908 | PXE_SERVER_LISTS *McastServerListPtr;\r | |
878ddf1f | 2909 | UNION_PTR LocalPtr;\r |
2910 | UINTN Index;\r | |
2911 | UINTN Index2;\r | |
2912 | BOOLEAN AcquiredSrvList;\r | |
2913 | EFI_STATUS StatCode;\r | |
2914 | PXE_BASECODE_DEVICE *Private;\r | |
2915 | \r | |
2916 | //\r | |
2917 | // Lock the instance data and make sure started\r | |
2918 | //\r | |
2919 | StatCode = EFI_SUCCESS;\r | |
2920 | \r | |
2921 | if (This == NULL) {\r | |
2922 | DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r | |
2923 | return EFI_INVALID_PARAMETER;\r | |
2924 | }\r | |
2925 | \r | |
2926 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
2927 | \r | |
2928 | if (Private == NULL) {\r | |
2929 | DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
2930 | return EFI_INVALID_PARAMETER;\r | |
2931 | }\r | |
2932 | \r | |
2933 | EfiAcquireLock (&Private->Lock);\r | |
2934 | \r | |
2935 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
2936 | DEBUG ((EFI_D_ERROR, "BC was not started."));\r | |
2937 | EfiReleaseLock (&Private->Lock);\r | |
2938 | return EFI_NOT_STARTED;\r | |
2939 | }\r | |
2940 | \r | |
2941 | ServerListPtr = NULL;\r | |
2942 | McastServerListPtr = NULL;\r | |
2943 | AcquiredSrvList = FALSE;\r | |
2944 | \r | |
2945 | PxebcMode = Private->EfiBc.Mode;\r | |
2946 | \r | |
2947 | if (!GetMem (Private)) {\r | |
2948 | EfiReleaseLock (&Private->Lock);\r | |
2949 | return EFI_OUT_OF_RESOURCES;\r | |
2950 | }\r | |
2951 | \r | |
2952 | if (UseBis) {\r | |
2953 | if (!PxebcMode->BisSupported) {\r | |
2954 | EfiReleaseLock (&Private->Lock);\r | |
2955 | return EFI_INVALID_PARAMETER;\r | |
2956 | }\r | |
2957 | }\r | |
2958 | \r | |
2959 | Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DISCOVER;\r | |
2960 | \r | |
2961 | if (Private->TotalSeconds == 0) {\r | |
2962 | //\r | |
2963 | // put in seconds field of DHCP send packets\r | |
2964 | //\r | |
2965 | Private->TotalSeconds = 4;\r | |
2966 | }\r | |
2967 | \r | |
2968 | ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));\r | |
2969 | \r | |
2970 | //\r | |
2971 | // if layer number not zero, use previous discover\r | |
2972 | //\r | |
2973 | if (*LayerPtr != 0) {\r | |
2974 | DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0"));\r | |
2975 | \r | |
2976 | if (DiscoverInfoPtr != NULL) {\r | |
2977 | DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && DiscoverInfoPtr != NULL\n"));\r | |
2978 | \r | |
2979 | EfiReleaseLock (&Private->Lock);\r | |
2980 | return EFI_INVALID_PARAMETER;\r | |
2981 | }\r | |
2982 | \r | |
2983 | if (!PxebcMode->PxeDiscoverValid) {\r | |
2984 | DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeDiscoverValid == 0\n"));\r | |
2985 | \r | |
2986 | EfiReleaseLock (&Private->Lock);\r | |
2987 | return EFI_INVALID_PARAMETER;\r | |
2988 | }\r | |
2989 | \r | |
2990 | if (!PxebcMode->PxeReplyReceived) {\r | |
2991 | DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeReplyReceived == 0\n"));\r | |
2992 | \r | |
2993 | EfiReleaseLock (&Private->Lock);\r | |
2994 | return EFI_INVALID_PARAMETER;\r | |
2995 | }\r | |
2996 | \r | |
2997 | if (UseBis && !PxebcMode->PxeBisReplyReceived) {\r | |
2998 | DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeBisReplyReceived == 0\n"));\r | |
2999 | \r | |
3000 | EfiReleaseLock (&Private->Lock);\r | |
3001 | return EFI_INVALID_PARAMETER;\r | |
3002 | }\r | |
3003 | \r | |
3004 | DefaultInfo.UseUCast = TRUE;\r | |
3005 | DiscoverInfoPtr = &DefaultInfo;\r | |
3006 | \r | |
3007 | DefaultSrvList.Ipv4List.IpCount = 1;\r | |
3008 | CopyMem (&DefaultSrvList.Ipv4List.IpList[0], &Private->ServerIp, 4);\r | |
3009 | \r | |
3010 | ServerListPtr = &DefaultSrvList;\r | |
3011 | }\r | |
3012 | //\r | |
3013 | // layer is zero - see if info is supplied or if we need to use info from a cached offer\r | |
3014 | //\r | |
3015 | else if (!DiscoverInfoPtr) {\r | |
3016 | //\r | |
3017 | // not supplied - generate it\r | |
3018 | // make sure that there is cached, appropriate information\r | |
3019 | // if neither DhcpAck packet nor ProxyOffer packet has pxe info, fail\r | |
3020 | //\r | |
3021 | DhcpRxBuf = (PxebcMode->ProxyOfferReceived) ? &PXE_OFFER_BUFFER : &DHCPV4_ACK_BUFFER;\r | |
3022 | \r | |
3023 | if (!PxebcMode->DhcpAckReceived || !(DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE)) {\r | |
3024 | DEBUG ((EFI_D_WARN, "\nBcDiscover() !ack && !proxy"));\r | |
3025 | EfiReleaseLock (&Private->Lock);\r | |
3026 | return EFI_INVALID_PARAMETER;\r | |
3027 | }\r | |
3028 | \r | |
3029 | DiscoverInfoPtr = &DefaultInfo;\r | |
3030 | \r | |
3031 | LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r | |
3032 | \r | |
3033 | //\r | |
3034 | // if multicast enabled, need multicast address\r | |
3035 | //\r | |
3036 | if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST)) {\r | |
3037 | DefaultInfo.UseMCast = TRUE;\r | |
3038 | \r | |
3039 | CopyMem (\r | |
3040 | ((EFI_IPv4_ADDRESS *) &DefaultInfo.ServerMCastIp),\r | |
3041 | &((DHCPV4_OP_IP_ADDRESS *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1])->Ip,\r | |
3042 | sizeof (EFI_IPv4_ADDRESS)\r | |
3043 | );\r | |
3044 | }\r | |
3045 | \r | |
3046 | DefaultInfo.UseBCast = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & DISABLE_BCAST) == 0);\r | |
3047 | \r | |
3048 | DefaultInfo.MustUseList = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) != 0);\r | |
3049 | \r | |
3050 | DefaultInfo.UseUCast = (BOOLEAN)\r | |
3051 | (\r | |
3052 | (DefaultInfo.MustUseList) ||\r | |
3053 | ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r | |
3054 | );\r | |
3055 | \r | |
3056 | if ((DefaultInfo.UseUCast | DefaultInfo.MustUseList) && !ExtractBootServerList (\r | |
3057 | Type,\r | |
3058 | DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1],\r | |
3059 | &ServerListPtr\r | |
3060 | )) {\r | |
3061 | DEBUG ((EFI_D_WARN, "\nBcDiscover() type not in list"));\r | |
3062 | EfiReleaseLock (&Private->Lock);\r | |
3063 | return EFI_INVALID_PARAMETER;\r | |
3064 | }\r | |
3065 | }\r | |
3066 | //\r | |
3067 | // Info supplied - make SrvList if required\r | |
3068 | // if we use ucast discovery or must use list, there better be one\r | |
3069 | //\r | |
3070 | else if (DiscoverInfoPtr->UseUCast || DiscoverInfoPtr->MustUseList) {\r | |
3071 | //\r | |
3072 | // there better be a list\r | |
3073 | //\r | |
3074 | if (DiscoverInfoPtr->IpCnt == 0) {\r | |
3075 | DEBUG ((EFI_D_WARN, "\nBcDiscover() no bootserver list"));\r | |
3076 | EfiReleaseLock (&Private->Lock);\r | |
3077 | return EFI_INVALID_PARAMETER;\r | |
3078 | }\r | |
3079 | //\r | |
3080 | // get its size\r | |
3081 | //\r | |
3082 | for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r | |
3083 | if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r | |
3084 | if (DiscoverInfoPtr->SrvList[Index].AcceptAnyResponse) {\r | |
3085 | if (Index2 != 0) {\r | |
3086 | DEBUG ((EFI_D_WARN, "\nBcDiscover() accept any?"));\r | |
3087 | EfiReleaseLock (&Private->Lock);\r | |
3088 | return EFI_INVALID_PARAMETER;\r | |
3089 | } else {\r | |
3090 | Index2 = 1;\r | |
3091 | DefaultSrvList.Ipv4List.IpCount = 0;\r | |
3092 | ServerListPtr = &DefaultSrvList;\r | |
3093 | break;\r | |
3094 | }\r | |
3095 | } else {\r | |
3096 | ++Index2;\r | |
3097 | }\r | |
3098 | }\r | |
3099 | }\r | |
3100 | \r | |
3101 | if (Index2 == 0) {\r | |
3102 | DEBUG ((EFI_D_WARN, "\nBcDiscover() !Index2?"));\r | |
3103 | EfiReleaseLock (&Private->Lock);\r | |
3104 | return EFI_INVALID_PARAMETER;\r | |
3105 | }\r | |
3106 | \r | |
3107 | if (ServerListPtr == NULL) {\r | |
26aa0c2f LG |
3108 | ServerListPtr = AllocatePool (\r |
3109 | sizeof (PXEV4_SERVER_LIST) + (Index2 - 1) * sizeof (EFI_IPv4_ADDRESS)\r | |
878ddf1f | 3110 | );\r |
3111 | \r | |
26aa0c2f | 3112 | if (ServerListPtr == NULL) {\r |
878ddf1f | 3113 | EfiReleaseLock (&Private->Lock);\r |
3114 | return EFI_OUT_OF_RESOURCES;\r | |
3115 | }\r | |
3116 | //\r | |
3117 | // build an array of IP addresses from the server list\r | |
3118 | //\r | |
3119 | AcquiredSrvList = TRUE;\r | |
3120 | ServerListPtr->Ipv4List.IpCount = (UINT8) Index2;\r | |
3121 | \r | |
3122 | for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r | |
3123 | if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r | |
3124 | CopyMem (\r | |
3125 | &ServerListPtr->Ipv4List.IpList[Index2++],\r | |
3126 | &DiscoverInfoPtr->SrvList[Index].IpAddr.v4,\r | |
3127 | sizeof ServerListPtr->Ipv4List.IpList[0]\r | |
3128 | );\r | |
3129 | }\r | |
3130 | }\r | |
3131 | }\r | |
3132 | }\r | |
3133 | \r | |
3134 | if (DiscoverInfoPtr->MustUseList) {\r | |
3135 | McastServerListPtr = ServerListPtr;\r | |
3136 | }\r | |
3137 | \r | |
3138 | if (!(DiscoverInfoPtr->UseMCast || DiscoverInfoPtr->UseBCast || DiscoverInfoPtr->UseUCast)) {\r | |
3139 | DEBUG ((EFI_D_WARN, "\nBcDiscover() Nothing to use!\n"));\r | |
3140 | \r | |
3141 | EfiReleaseLock (&Private->Lock);\r | |
3142 | return EFI_INVALID_PARAMETER;\r | |
3143 | }\r | |
3144 | \r | |
3145 | PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = PxebcMode->PxeBisReplyReceived = FALSE;\r | |
3146 | \r | |
3147 | StatCode = Discover (\r | |
3148 | Private,\r | |
3149 | Type,\r | |
3150 | LayerPtr,\r | |
3151 | UseBis,\r | |
3152 | DiscoverInfoPtr,\r | |
3153 | McastServerListPtr,\r | |
3154 | ServerListPtr\r | |
3155 | );\r | |
3156 | \r | |
3157 | if (AcquiredSrvList) {\r | |
26aa0c2f | 3158 | FreePool (ServerListPtr);\r |
878ddf1f | 3159 | }\r |
3160 | \r | |
3161 | FreeMem (Private);\r | |
3162 | \r | |
3163 | //\r | |
3164 | // Unlock the instance data\r | |
3165 | //\r | |
3166 | DEBUG (\r | |
3167 | (EFI_D_INFO,\r | |
3168 | "\nBcDiscover() status == %r (%Xh)\n",\r | |
3169 | StatCode,\r | |
3170 | StatCode)\r | |
3171 | );\r | |
3172 | \r | |
3173 | EfiReleaseLock (&Private->Lock);\r | |
3174 | return StatCode;\r | |
3175 | }\r | |
3176 | \r | |
3177 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r | |
3178 | EFI_STATUS\r | |
3179 | EFIAPI\r | |
3180 | BcSetPackets (\r | |
3181 | IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r | |
3182 | BOOLEAN *NewDhcpDiscoverValid, OPTIONAL\r | |
3183 | BOOLEAN *NewDhcpAckReceived, OPTIONAL\r | |
3184 | BOOLEAN *NewProxyOfferReceived, OPTIONAL\r | |
3185 | BOOLEAN *NewPxeDiscoverValid, OPTIONAL\r | |
3186 | BOOLEAN *NewPxeReplyReceived, OPTIONAL\r | |
3187 | BOOLEAN *NewPxeBisReplyReceived, OPTIONAL\r | |
3188 | IN EFI_PXE_BASE_CODE_PACKET * NewDhcpDiscover, OPTIONAL\r | |
3189 | IN EFI_PXE_BASE_CODE_PACKET * NewDhcpAck, OPTIONAL\r | |
3190 | IN EFI_PXE_BASE_CODE_PACKET * NewProxyOffer, OPTIONAL\r | |
3191 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeDiscover, OPTIONAL\r | |
3192 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeReply, OPTIONAL\r | |
3193 | IN EFI_PXE_BASE_CODE_PACKET * NewPxeBisReply OPTIONAL\r | |
3194 | )\r | |
3195 | /*++\r | |
3196 | Routine description:\r | |
3197 | \r | |
3198 | Parameters:\r | |
3199 | \r | |
3200 | Returns:\r | |
3201 | --*/\r | |
3202 | {\r | |
3203 | EFI_PXE_BASE_CODE_MODE *PxebcMode;\r | |
878ddf1f | 3204 | PXE_BASECODE_DEVICE *Private;\r |
3205 | \r | |
3206 | //\r | |
3207 | // Lock the instance data and make sure started\r | |
3208 | //\r | |
878ddf1f | 3209 | \r |
3210 | if (This == NULL) {\r | |
3211 | DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r | |
3212 | return EFI_INVALID_PARAMETER;\r | |
3213 | }\r | |
3214 | \r | |
3215 | Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r | |
3216 | \r | |
3217 | if (Private == NULL) {\r | |
3218 | DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r | |
3219 | return EFI_INVALID_PARAMETER;\r | |
3220 | }\r | |
3221 | \r | |
3222 | EfiAcquireLock (&Private->Lock);\r | |
3223 | \r | |
3224 | if (This->Mode == NULL || !This->Mode->Started) {\r | |
3225 | DEBUG ((EFI_D_ERROR, "BC was not started."));\r | |
3226 | EfiReleaseLock (&Private->Lock);\r | |
3227 | return EFI_NOT_STARTED;\r | |
3228 | }\r | |
3229 | \r | |
3230 | PxebcMode = Private->EfiBc.Mode;\r | |
3231 | \r | |
3232 | if (Private->DhcpPacketBuffer == NULL) {\r | |
26aa0c2f LG |
3233 | Private->DhcpPacketBuffer = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1));\r |
3234 | if (Private->DhcpPacketBuffer == NULL) {\r | |
878ddf1f | 3235 | EfiReleaseLock (&Private->Lock);\r |
3236 | return EFI_OUT_OF_RESOURCES;\r | |
3237 | }\r | |
3238 | }\r | |
3239 | //\r | |
3240 | // Issue BC command\r | |
3241 | //\r | |
3242 | //\r | |
3243 | // reset\r | |
3244 | //\r | |
3245 | Private->FileSize = 0;\r | |
3246 | if (NewDhcpDiscoverValid != NULL) {\r | |
3247 | PxebcMode->DhcpDiscoverValid = *NewDhcpDiscoverValid;\r | |
3248 | }\r | |
3249 | \r | |
3250 | if (NewDhcpAckReceived != NULL) {\r | |
3251 | PxebcMode->DhcpAckReceived = *NewDhcpAckReceived;\r | |
3252 | }\r | |
3253 | \r | |
3254 | if (NewProxyOfferReceived != NULL) {\r | |
3255 | PxebcMode->ProxyOfferReceived = *NewProxyOfferReceived;\r | |
3256 | }\r | |
3257 | \r | |
3258 | if (NewPxeDiscoverValid != NULL) {\r | |
3259 | PxebcMode->PxeDiscoverValid = *NewPxeDiscoverValid;\r | |
3260 | }\r | |
3261 | \r | |
3262 | if (NewPxeReplyReceived != NULL) {\r | |
3263 | PxebcMode->PxeReplyReceived = *NewPxeReplyReceived;\r | |
3264 | }\r | |
3265 | \r | |
3266 | if (NewPxeBisReplyReceived != NULL) {\r | |
3267 | PxebcMode->PxeBisReplyReceived = *NewPxeBisReplyReceived;\r | |
3268 | }\r | |
3269 | \r | |
3270 | if (NewDhcpDiscover != NULL) {\r | |
3271 | CopyMem (\r | |
3272 | &PxebcMode->DhcpDiscover,\r | |
3273 | NewDhcpDiscover,\r | |
3274 | sizeof *NewDhcpDiscover\r | |
3275 | );\r | |
3276 | }\r | |
3277 | \r | |
3278 | if (NewDhcpAck != NULL) {\r | |
3279 | CopyParse (Private, &PxebcMode->DhcpAck, NewDhcpAck, DHCPV4_ACK_INDEX);\r | |
3280 | }\r | |
3281 | \r | |
3282 | if (NewProxyOffer != NULL) {\r | |
3283 | CopyParse (Private, &PxebcMode->ProxyOffer, NewProxyOffer, PXE_OFFER_INDEX);\r | |
3284 | }\r | |
3285 | \r | |
3286 | if (NewPxeDiscover != NULL) {\r | |
3287 | CopyMem (\r | |
3288 | &PxebcMode->PxeDiscover,\r | |
3289 | NewPxeDiscover,\r | |
3290 | sizeof *NewPxeDiscover\r | |
3291 | );\r | |
3292 | }\r | |
3293 | \r | |
3294 | if (NewPxeReply != NULL) {\r | |
3295 | CopyParse (Private, &PxebcMode->PxeReply, NewPxeReply, PXE_ACK_INDEX);\r | |
3296 | }\r | |
3297 | \r | |
3298 | if (NewPxeBisReply != NULL) {\r | |
3299 | CopyParse (Private, &PxebcMode->PxeBisReply, NewPxeBisReply, PXE_BIS_INDEX);\r | |
3300 | }\r | |
3301 | //\r | |
3302 | // Unlock the instance data\r | |
3303 | //\r | |
3304 | EfiReleaseLock (&Private->Lock);\r | |
3305 | return EFI_SUCCESS;\r | |
3306 | }\r | |
3307 | \r | |
3308 | /* eof - pxe_bc_dhcp.c */\r |