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91447636
A		 1/* IPFW backward compatibility */
2
3#ifndef _IP_FW_COMPAT_H_
4#define _IP_FW_COMPAT_H_
5
91447636 6/* prototypes */
b0d623f7
A		 7void ipfw_convert_from_latest(struct ip_fw *curr_rule, void *old_rule, u_int32_t api_version, int is64user);
8int ipfw_convert_to_latest(struct sockopt *sopt, struct ip_fw *rule, int api_version, int is64user);
91447636
A		 9int ipfw_get_command_and_version(struct sockopt *sopt, int *command, u_int32_t *api_version);
10
11
12/*
13 * ******************************
14 * ****** IPFW version one ******
15 * ******************************
16 */
17
18/*
19 * This union structure identifies an interface, either explicitly
20 * by name or implicitly by IP address. The flags IP_FW_F_IIFNAME
21 * and IP_FW_F_OIFNAME say how to interpret this structure. An
22 * interface unit number of -1 matches any unit number, while an
23 * IP address of 0.0.0.0 indicates matches any interface.
24 *
25 * The receive and transmit interfaces are only compared against the
26 * the packet if the corresponding bit (IP_FW_F_IIFACE or IP_FW_F_OIFACE)
27 * is set. Note some packets lack a receive or transmit interface
28 * (in which case the missing "interface" never matches).
29 */
30
31union ip_fw_if_compat {
32 struct in_addr fu_via_ip; /* Specified by IP address */
33 struct { /* Specified by interface name */
34#define FW_IFNLEN_COMPAT 10 /* need room ! was IFNAMSIZ */
35 char name[FW_IFNLEN_COMPAT];
36 short unit; /* -1 means match any unit */
37 } fu_via_if_compat;
38};
39
40/*
41 * Format of an IP firewall descriptor
42 *
43 * fw_src, fw_dst, fw_smsk, fw_dmsk are always stored in network byte order.
44 * fw_flg and fw_n*p are stored in host byte order (of course).
45 * Port numbers are stored in HOST byte order.
46 */
47
b0d623f7 48
91447636
A		 49struct ip_fw_compat {
50 u_int32_t version; /* Version of this structure. Should always be */
51 /* set to IP_FW_CURRENT_API_VERSION by clients. */
52 void *context; /* Context that is usable by user processes to */
53 /* identify this rule. */
54 u_int64_t fw_pcnt,fw_bcnt; /* Packet and byte counters */
55 struct in_addr fw_src, fw_dst; /* Source and destination IP addr */
56 struct in_addr fw_smsk, fw_dmsk; /* Mask for src and dest IP addr */
57 u_short fw_number; /* Rule number */
58 u_int fw_flg; /* Flags word */
59#define IP_FW_MAX_PORTS_COMPAT 10 /* A reasonable maximum */
60 union {
61 u_short fw_pts[IP_FW_MAX_PORTS_COMPAT]; /* Array of port numbers to match */
62#define IP_FW_ICMPTYPES_MAX_COMPAT 128
63#define IP_FW_ICMPTYPES_DIM_COMPAT (IP_FW_ICMPTYPES_MAX_COMPAT / (sizeof(unsigned) * 8))
64 unsigned fw_icmptypes[IP_FW_ICMPTYPES_DIM_COMPAT]; /* ICMP types bitmap */
65 } fw_uar_compat;
66 u_int fw_ipflg; /* IP flags word */
67 u_char fw_ipopt,fw_ipnopt; /* IP options set/unset */
68 u_char fw_tcpopt,fw_tcpnopt; /* TCP options set/unset */
69 u_char fw_tcpf,fw_tcpnf; /* TCP flags set/unset */
70 long timestamp; /* timestamp (tv_sec) of last match */
71 union ip_fw_if_compat fw_in_if, fw_out_if; /* Incoming and outgoing interfaces */
72 union {
73 u_short fu_divert_port; /* Divert/tee port (options IPDIVERT) */
74 u_short fu_pipe_nr; /* queue number (option DUMMYNET) */
75 u_short fu_skipto_rule; /* SKIPTO command rule number */
76 u_short fu_reject_code; /* REJECT response code */
77 struct sockaddr_in fu_fwd_ip;
78 } fw_un_compat;
79 u_char fw_prot; /* IP protocol */
80 /*
81 * N'of src ports and # of dst ports in ports array (dst ports
82 * follow src ports; max of 10 ports in all; count of 0 means
83 * match all ports)
84 */
85 u_char fw_nports;
86 void *pipe_ptr; /* flow_set ptr for dummynet pipe */
87 void *next_rule_ptr ; /* next rule in case of match */
88 uid_t fw_uid; /* uid to match */
89 int fw_logamount; /* amount to log */
90 u_int64_t fw_loghighest; /* highest number packet to log */
91};
92
93/*
94 * extended ipfw structure... some fields in the original struct
95 * can be used to pass parameters up/down, namely pointers
96 * void *pipe_ptr
97 * void *next_rule_ptr
98 * some others can be used to pass parameters down, namely counters etc.
99 * u_int64_t fw_pcnt,fw_bcnt;
100 * long timestamp;
101 */
102
103struct ip_fw_ext_compat { /* extended structure */
104 struct ip_fw rule; /* must be at offset 0 */
105 long dont_match_prob; /* 0x7fffffff means 1.0, always fail */
106 u_int dyn_type; /* type for dynamic rule */
107};
108
109struct ip_fw_chain_compat {
110 LIST_ENTRY(ip_fw_chain_compat) next;
111 struct ip_fw_compat *rule;
112};
113
114/*
115 * dynamic ipfw rule
116 */
b0d623f7 117
91447636
A		 118struct ipfw_dyn_rule_compat {
119 struct ipfw_dyn_rule *next ;
120
121 struct ipfw_flow_id id ;
122 struct ipfw_flow_id mask ;
123 struct ip_fw_chain_compat *chain ; /* pointer to parent rule */
124 u_int32_t type ; /* rule type */
125 u_int32_t expire ; /* expire time */
126 u_int64_t pcnt, bcnt; /* match counters */
127 u_int32_t bucket ; /* which bucket in hash table */
128 u_int32_t state ; /* state of this rule (typ. a */
129 /* combination of TCP flags) */
130} ;
131
39236c6e 132#ifdef BSD_KERNEL_PRIVATE
b0d623f7
A		 133#pragma pack(4)
134
135struct ip_fw_compat_32 {
136 u_int32_t version; /* Version of this structure. Should always be */
137 /* set to IP_FW_CURRENT_API_VERSION by clients. */
138 user32_addr_t context; /* Context that is usable by user processes to */
139 /* identify this rule. */
140 u_int64_t fw_pcnt,fw_bcnt; /* Packet and byte counters */
141 struct in_addr fw_src, fw_dst; /* Source and destination IP addr */
142 struct in_addr fw_smsk, fw_dmsk;/* Mask for src and dest IP addr */
143 u_short fw_number; /* Rule number */
144 u_int fw_flg; /* Flags word */
145#define IP_FW_MAX_PORTS_COMPAT 10 /* A reasonable maximum */
146 union {
147 u_short fw_pts[IP_FW_MAX_PORTS_COMPAT]; /* Array of port numbers to match */
148#define IP_FW_ICMPTYPES_MAX_COMPAT 128
149#define IP_FW_ICMPTYPES_DIM_COMPAT (IP_FW_ICMPTYPES_MAX_COMPAT / (sizeof(unsigned) * 8))
150 unsigned fw_icmptypes[IP_FW_ICMPTYPES_DIM_COMPAT]; /* ICMP types bitmap */
151 } fw_uar_compat;
152 u_int fw_ipflg; /* IP flags word */
153 u_char fw_ipopt,fw_ipnopt; /* IP options set/unset */
154 u_char fw_tcpopt,fw_tcpnopt; /* TCP options set/unset */
155 u_char fw_tcpf,fw_tcpnf; /* TCP flags set/unset */
156 u_int32_t timestamp; /* timestamp (tv_sec) of last match */
157 union ip_fw_if_compat fw_in_if, fw_out_if; /* Incoming and outgoing interfaces */
158 union {
159 u_short fu_divert_port; /* Divert/tee port (options IPDIVERT) */
160 u_short fu_pipe_nr; /* queue number (option DUMMYNET) */
161 u_short fu_skipto_rule; /* SKIPTO command rule number */
162 u_short fu_reject_code; /* REJECT response code */
163 struct sockaddr_in fu_fwd_ip;
164 } fw_un_compat;
165 u_char fw_prot; /* IP protocol */
166 /*
167 * N'of src ports and # of dst ports in ports array (dst ports
168 * follow src ports; max of 10 ports in all; count of 0 means
169 * match all ports)
170 */
171 u_char fw_nports;
172 user32_addr_t pipe_ptr; /* flow_set ptr for dummynet pipe */
173 user32_addr_t next_rule_ptr ; /* next rule in case of match */
174 uid_t fw_uid; /* uid to match */
175 int fw_logamount; /* amount to log */
176 u_int64_t fw_loghighest; /* highest number packet to log */
177};
178#pragma pack()
179
180struct ip_fw_compat_64 {
181 u_int32_t version; /* Version of this structure. Should always be */
182 /* set to IP_FW_CURRENT_API_VERSION by clients. */
183 user64_addr_t context; /* Context that is usable by user processes to */
184 /* identify this rule. */
185 u_int64_t fw_pcnt,fw_bcnt; /* Packet and byte counters */
186 struct in_addr fw_src, fw_dst; /* Source and destination IP addr */
187 struct in_addr fw_smsk, fw_dmsk;/* Mask for src and dest IP addr */
188 u_short fw_number; /* Rule number */
189 u_int fw_flg; /* Flags word */
190#define IP_FW_MAX_PORTS_COMPAT 10 /* A reasonable maximum */
191 union {
192 u_short fw_pts[IP_FW_MAX_PORTS_COMPAT]; /* Array of port numbers to match */
193#define IP_FW_ICMPTYPES_MAX_COMPAT 128
194#define IP_FW_ICMPTYPES_DIM_COMPAT (IP_FW_ICMPTYPES_MAX_COMPAT / (sizeof(unsigned) * 8))
195 unsigned fw_icmptypes[IP_FW_ICMPTYPES_DIM_COMPAT]; /* ICMP types bitmap */
196 } fw_uar_compat;
197 u_int fw_ipflg; /* IP flags word */
198 u_char fw_ipopt,fw_ipnopt; /* IP options set/unset */
199 u_char fw_tcpopt,fw_tcpnopt; /* TCP options set/unset */
200 u_char fw_tcpf,fw_tcpnf; /* TCP flags set/unset */
201 u_int64_t timestamp; /* timestamp (tv_sec) of last match */
202 union ip_fw_if_compat fw_in_if, fw_out_if; /* Incoming and outgoing interfaces */
203 union {
204 u_short fu_divert_port; /* Divert/tee port (options IPDIVERT) */
205 u_short fu_pipe_nr; /* queue number (option DUMMYNET) */
206 u_short fu_skipto_rule; /* SKIPTO command rule number */
207 u_short fu_reject_code; /* REJECT response code */
208 struct sockaddr_in fu_fwd_ip;
209 } fw_un_compat;
210 u_char fw_prot; /* IP protocol */
211 /*
212 * N'of src ports and # of dst ports in ports array (dst ports
213 * follow src ports; max of 10 ports in all; count of 0 means
214 * match all ports)
215 */
216 u_char fw_nports;
217 user64_addr_t pipe_ptr; /* flow_set ptr for dummynet pipe */
218 user64_addr_t next_rule_ptr ; /* next rule in case of match */
219 uid_t fw_uid; /* uid to match */
220 int fw_logamount; /* amount to log */
221 u_int64_t fw_loghighest; /* highest number packet to log */
222};
223
224struct ipfw_dyn_rule_compat_32 {
225 user32_addr_t next ;
226
227 struct ipfw_flow_id id ;
228 struct ipfw_flow_id mask ;
229 user32_addr_t chain ; /* pointer to parent rule */
230 u_int32_t type ; /* rule type */
231 u_int32_t expire ; /* expire time */
232 u_int64_t pcnt, bcnt; /* match counters */
233 u_int32_t bucket ; /* which bucket in hash table */
234 u_int32_t state ; /* state of this rule (typ. a */
235 /* combination of TCP flags) */
236} ;
237
238struct ipfw_dyn_rule_compat_64 {
239 user64_addr_t next ;
240
241 struct ipfw_flow_id id ;
242 struct ipfw_flow_id mask ;
243 user64_addr_t chain ; /* pointer to parent rule */
244 u_int32_t type ; /* rule type */
245 u_int32_t expire ; /* expire time */
246 u_int64_t pcnt, bcnt; /* match counters */
247 u_int32_t bucket ; /* which bucket in hash table */
248 u_int32_t state ; /* state of this rule (typ. a */
249 /* combination of TCP flags) */
250} ;
39236c6e 251#endif /* BSD_KERNEL_PRIVATE */
b0d623f7
A		 252
253
91447636
A		 254#define IP_FW_GETNSRCP_COMPAT(rule) ((rule)->fw_nports & 0x0f)
255#define IP_FW_SETNSRCP_COMPAT(rule, n) do { \
256 (rule)->fw_nports &= ~0x0f; \
257 (rule)->fw_nports |= (n); \
258 } while (0)
259#define IP_FW_GETNDSTP_COMPAT(rule) ((rule)->fw_nports >> 4)
260#define IP_FW_SETNDSTP_COMPAT(rule, n) do { \
261 (rule)->fw_nports &= ~0xf0; \
262 (rule)->fw_nports |= (n) << 4;\
263 } while (0)
264
265#define fw_divert_port_compat fw_un_compat.fu_divert_port
266#define fw_skipto_rule_compat fw_un_compat.fu_skipto_rule
267#define fw_reject_code_compat fw_un_compat.fu_reject_code
268#define fw_pipe_nr_compat fw_un_compat.fu_pipe_nr
269#define fw_fwd_ip_compat fw_un_compat.fu_fwd_ip
270
271/*
272 * Values for "flags" field .
273 */
274#define IP_FW_F_COMMAND_COMPAT 0x000000ff /* Mask for type of chain entry: */
275#define IP_FW_F_DENY_COMPAT 0x00000000 /* This is a deny rule */
276#define IP_FW_F_REJECT_COMPAT 0x00000001 /* Deny and send a response packet */
277#define IP_FW_F_ACCEPT_COMPAT 0x00000002 /* This is an accept rule */
278#define IP_FW_F_COUNT_COMPAT 0x00000003 /* This is a count rule */
279#define IP_FW_F_DIVERT_COMPAT 0x00000004 /* This is a divert rule */
280#define IP_FW_F_TEE_COMPAT 0x00000005 /* This is a tee rule */
281#define IP_FW_F_SKIPTO_COMPAT 0x00000006 /* This is a skipto rule */
282#define IP_FW_F_FWD_COMPAT 0x00000007 /* This is a "change forwarding address" rule */
283#define IP_FW_F_PIPE_COMPAT 0x00000008 /* This is a dummynet rule */
284#define IP_FW_F_QUEUE_COMPAT 0x00000009 /* This is a dummynet queue */
285
286#define IP_FW_F_IN_COMPAT 0x00000100 /* Check inbound packets */
287#define IP_FW_F_OUT_COMPAT 0x00000200 /* Check outbound packets */
288#define IP_FW_F_IIFACE_COMPAT 0x00000400 /* Apply inbound interface test */
289#define IP_FW_F_OIFACE_COMPAT 0x00000800 /* Apply outbound interface test */
290
291#define IP_FW_F_PRN_COMPAT 0x00001000 /* Print if this rule matches */
292
293#define IP_FW_F_SRNG_COMPAT 0x00002000 /* The first two src ports are a min *
294 * and max range (stored in host byte *
295 * order). */
296
297#define IP_FW_F_DRNG_COMPAT 0x00004000 /* The first two dst ports are a min *
298 * and max range (stored in host byte *
299 * order). */
300
301#define IP_FW_F_FRAG_COMPAT 0x00008000 /* Fragment */
302
303#define IP_FW_F_IIFNAME_COMPAT 0x00010000 /* In interface by name/unit (not IP) */
304#define IP_FW_F_OIFNAME_COMPAT 0x00020000 /* Out interface by name/unit (not IP) */
305
306#define IP_FW_F_INVSRC_COMPAT 0x00040000 /* Invert sense of src check */
307#define IP_FW_F_INVDST_COMPAT 0x00080000 /* Invert sense of dst check */
308
309#define IP_FW_F_ICMPBIT_COMPAT 0x00100000 /* ICMP type bitmap is valid */
310
311#define IP_FW_F_UID_COMPAT 0x00200000 /* filter by uid */
312
313#define IP_FW_F_RND_MATCH_COMPAT 0x00800000 /* probabilistic rule match */
314#define IP_FW_F_SMSK_COMPAT 0x01000000 /* src-port + mask */
315#define IP_FW_F_DMSK_COMPAT 0x02000000 /* dst-port + mask */
316#define IP_FW_BRIDGED_COMPAT 0x04000000 /* only match bridged packets */
317#define IP_FW_F_KEEP_S_COMPAT 0x08000000 /* keep state */
318#define IP_FW_F_CHECK_S_COMPAT 0x10000000 /* check state */
319
320#define IP_FW_F_SME_COMPAT 0x20000000 /* source = me */
321#define IP_FW_F_DME_COMPAT 0x40000000 /* destination = me */
322
323#define IP_FW_F_MASK_COMPAT 0x7FFFFFFF /* All possible flag bits mask */
324
325/*
326 * Flags for the 'fw_ipflg' field, for comparing values of ip and its protocols.
327 */
328#define IP_FW_IF_TCPEST_COMPAT 0x00000020 /* established TCP connection */
329#define IP_FW_IF_TCPMSK_COMPAT 0x00000020 /* mask of all TCP values */
330
331/*
332 * Definitions for TCP flags.
333 */
334#define IP_FW_TCPF_FIN_COMPAT TH_FIN
335#define IP_FW_TCPF_SYN_COMPAT TH_SYN
336#define IP_FW_TCPF_RST_COMPAT TH_RST
337#define IP_FW_TCPF_PSH_COMPAT TH_PUSH
338#define IP_FW_TCPF_ACK_COMPAT TH_ACK
339#define IP_FW_TCPF_URG_COMPAT TH_URG
340
341/*
342 * For backwards compatibility with rules specifying "via iface" but
343 * not restricted to only "in" or "out" packets, we define this combination
344 * of bits to represent this configuration.
345 */
346
347#define IF_FW_F_VIAHACK_COMPAT (IP_FW_F_IN_COMPAT|IP_FW_F_OUT_COMPAT|IP_FW_F_IIFACE_COMPAT|IP_FW_F_OIFACE_COMPAT)
348
349/*
350 * Definitions for REJECT response codes.
351 * Values less than 256 correspond to ICMP unreachable codes.
352 */
353#define IP_FW_REJECT_RST_COMPAT 0x0100 /* TCP packets: send RST */
354
355
356/*
357 * ******************************
358 * ****** IPFW version zero *****
359 * ******************************
360 */
361
362/*
363 * This union structure identifies an interface, either explicitly
364 * by name or implicitly by IP address. The flags IP_FW_F_IIFNAME
365 * and IP_FW_F_OIFNAME say how to interpret this structure. An
366 * interface unit number of -1 matches any unit number, while an
367 * IP address of 0.0.0.0 indicates matches any interface.
368 *
369 * The receive and transmit interfaces are only compared against the
370 * the packet if the corresponding bit (IP_FW_F_IIFACE or IP_FW_F_OIFACE)
371 * is set. Note some packets lack a receive or transmit interface
372 * (in which case the missing "interface" never matches).
373 */
374
375union ip_old_fw_if {
376 struct in_addr fu_via_ip; /* Specified by IP address */
377 struct { /* Specified by interface name */
378#define OLD_FW_IFNLEN 10 /* need room ! was IFNAMSIZ */
379 char name[OLD_FW_IFNLEN];
380 short unit; /* -1 means match any unit */
381 } fu_via_if;
382};
383
384/*
385 * Format of an IP firewall descriptor
386 *
387 * fw_src, fw_dst, fw_smsk, fw_dmsk are always stored in network byte order.
388 * fw_flg and fw_n*p are stored in host byte order (of course).
389 * Port numbers are stored in HOST byte order.
390 * Warning: setsockopt() will fail if sizeof(struct ip_fw) > MLEN (108)
391 */
392
393struct ip_old_fw {
394 u_int64_t fw_pcnt,fw_bcnt; /* Packet and byte counters */
395 struct in_addr fw_src, fw_dst; /* Source and destination IP addr */
396 struct in_addr fw_smsk, fw_dmsk; /* Mask for src and dest IP addr */
397 u_short fw_number; /* Rule number */
398 u_int fw_flg; /* Flags word */
399#define IP_OLD_FW_MAX_PORTS 10 /* A reasonable maximum */
400 union {
401 u_short fw_pts[IP_OLD_FW_MAX_PORTS]; /* Array of port numbers to match */
402#define IP_OLD_FW_ICMPTYPES_MAX 128
403#define IP_OLD_FW_ICMPTYPES_DIM (IP_OLD_FW_ICMPTYPES_MAX / (sizeof(unsigned) * 8))
404 unsigned fw_icmptypes[IP_OLD_FW_ICMPTYPES_DIM]; /* ICMP types bitmap */
405 } fw_uar;
406 u_char fw_ipopt,fw_ipnopt; /* IP options set/unset */
407 u_char fw_tcpf,fw_tcpnf; /* TCP flags set/unset */
408 long timestamp; /* timestamp (tv_sec) of last match */
409 union ip_old_fw_if fw_in_if, fw_out_if; /* Incoming and outgoing interfaces */
410 union {
411 u_short fu_divert_port; /* Divert/tee port (options IPDIVERT) */
412 u_short fu_pipe_nr; /* pipe number (option DUMMYNET) */
413 u_short fu_skipto_rule; /* SKIPTO command rule number */
414 u_short fu_reject_code; /* REJECT response code */
415 struct sockaddr_in fu_fwd_ip;
416 } fw_un;
417 u_char fw_prot; /* IP protocol */
418 u_char fw_nports; /* N'of src ports and # of dst ports */
419 /* in ports array (dst ports follow */
420 /* src ports; max of 10 ports in all; */
421 /* count of 0 means match all ports) */
422 void *pipe_ptr; /* Pipe ptr in case of dummynet pipe */
423 void *next_rule_ptr ; /* next rule in case of match */
424};
425
426#define IP_OLD_FW_GETNSRCP(rule) ((rule)->fw_nports & 0x0f)
427#define IP_OLD_FW_SETNSRCP(rule, n) do { \
428 (rule)->fw_nports &= ~0x0f; \
429 (rule)->fw_nports |= (n); \
430 } while (0)
431#define IP_OLD_FW_GETNDSTP(rule) ((rule)->fw_nports >> 4)
432#define IP_OLD_FW_SETNDSTP(rule, n) do { \
433 (rule)->fw_nports &= ~0xf0; \
434 (rule)->fw_nports |= (n) << 4;\
435 } while (0)
436
437#define old_fw_divert_port fw_un.fu_divert_port
438#define old_fw_skipto_rule fw_un.fu_skipto_rule
439#define old_fw_reject_code fw_un.fu_reject_code
440#define old_fw_pipe_nr fw_un.fu_pipe_nr
441#define old_fw_fwd_ip fw_un.fu_fwd_ip
442
443/*
444 * Values for "flags" field .
445 */
446#define IP_OLD_FW_F_COMMAND 0x000000ff /* Mask for type of chain entry: */
447#define IP_OLD_FW_F_DENY 0x00000000 /* This is a deny rule */
448#define IP_OLD_FW_F_REJECT 0x00000001 /* Deny and send a response packet */
449#define IP_OLD_FW_F_ACCEPT 0x00000002 /* This is an accept rule */
450#define IP_OLD_FW_F_COUNT 0x00000003 /* This is a count rule */
451#define IP_OLD_FW_F_DIVERT 0x00000004 /* This is a divert rule */
452#define IP_OLD_FW_F_TEE 0x00000005 /* This is a tee rule */
453#define IP_OLD_FW_F_SKIPTO 0x00000006 /* This is a skipto rule */
454#define IP_OLD_FW_F_FWD 0x00000007 /* This is a "change forwarding address" rule */
455#define IP_OLD_FW_F_PIPE 0x00000008 /* This is a dummynet rule */
456
457#define IP_OLD_FW_F_IN 0x00000100 /* Check inbound packets */
458#define IP_OLD_FW_F_OUT 0x00000200 /* Check outbound packets */
459#define IP_OLD_FW_F_IIFACE 0x00000400 /* Apply inbound interface test */
460#define IP_OLD_FW_F_OIFACE 0x00000800 /* Apply outbound interface test */
461
462#define IP_OLD_FW_F_PRN 0x00001000 /* Print if this rule matches */
463
464#define IP_OLD_FW_F_SRNG 0x00002000 /* The first two src ports are a min *
465 * and max range (stored in host byte *
466 * order). */
467
468#define IP_OLD_FW_F_DRNG 0x00004000 /* The first two dst ports are a min *
469 * and max range (stored in host byte *
470 * order). */
471
472#define IP_OLD_FW_F_FRAG 0x00008000 /* Fragment */
473
474#define IP_OLD_FW_F_IIFNAME 0x00010000 /* In interface by name/unit (not IP) */
475#define IP_OLD_FW_F_OIFNAME 0x00020000 /* Out interface by name/unit (not IP) */
476
477#define IP_OLD_FW_F_INVSRC 0x00040000 /* Invert sense of src check */
478#define IP_OLD_FW_F_INVDST 0x00080000 /* Invert sense of dst check */
479
480#define IP_OLD_FW_F_ICMPBIT 0x00100000 /* ICMP type bitmap is valid */
481
482#define IP_OLD_FW_F_MASK 0x001FFFFF /* All possible flag bits mask */
483
484/*
485 * For backwards compatibility with rules specifying "via iface" but
486 * not restricted to only "in" or "out" packets, we define this combination
487 * of bits to represent this configuration.
488 */
489
490#define IF_OLD_FW_F_VIAHACK (IP_OLD_FW_F_IN|IP_OLD_FW_F_OUT|IP_OLD_FW_F_IIFACE|IP_OLD_FW_F_OIFACE)
491
492/*
493 * Definitions for TCP flags - abridged
494 */
495#define IP_OLD_FW_TCPF_ESTAB 0x40
496
2d21ac55 497#endif /* _IP_FW_COMPAT_H_ */
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