ip_proxy.h revision 1.2.4.2
1 1.2.4.2 yamt /* $NetBSD: ip_proxy.h,v 1.2.4.2 2012/04/17 00:08:16 yamt Exp $ */ 2 1.2.4.2 yamt 3 1.2.4.2 yamt /* 4 1.2.4.2 yamt * Copyright (C) 2011 by Darren Reed. 5 1.2.4.2 yamt * 6 1.2.4.2 yamt * See the IPFILTER.LICENCE file for details on licencing. 7 1.2.4.2 yamt * 8 1.2.4.2 yamt * Id: ip_proxy.h,v 2.46.2.3 2012/01/26 05:29:12 darrenr Exp 9 1.2.4.2 yamt */ 10 1.2.4.2 yamt 11 1.2.4.2 yamt #ifndef _NETINET_IP_PROXY_H_ 12 1.2.4.2 yamt #define _NETINET_IP_PROXY_H_ 13 1.2.4.2 yamt 14 1.2.4.2 yamt #ifndef SOLARIS 15 1.2.4.2 yamt #define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4))) 16 1.2.4.2 yamt #endif 17 1.2.4.2 yamt 18 1.2.4.2 yamt #if defined(__STDC__) || defined(__GNUC__) || defined(_AIX51) 19 1.2.4.2 yamt #define SIOCPROXY _IOWR('r', 64, struct ap_control) 20 1.2.4.2 yamt #else 21 1.2.4.2 yamt #define SIOCPROXY _IOWR(r, 64, struct ap_control) 22 1.2.4.2 yamt #endif 23 1.2.4.2 yamt 24 1.2.4.2 yamt #ifndef APR_LABELLEN 25 1.2.4.2 yamt #define APR_LABELLEN 16 26 1.2.4.2 yamt #endif 27 1.2.4.2 yamt #define AP_SESS_SIZE 53 28 1.2.4.2 yamt 29 1.2.4.2 yamt struct nat; 30 1.2.4.2 yamt struct ipnat; 31 1.2.4.2 yamt struct ipstate; 32 1.2.4.2 yamt 33 1.2.4.2 yamt typedef struct ap_tcp { 34 1.2.4.2 yamt u_short apt_sport; /* source port */ 35 1.2.4.2 yamt u_short apt_dport; /* destination port */ 36 1.2.4.2 yamt short apt_sel[2]; /* {seq,ack}{off,min} set selector */ 37 1.2.4.2 yamt short apt_seqoff[2]; /* sequence # difference */ 38 1.2.4.2 yamt u_32_t apt_seqmin[2]; /* don't change seq-off until after this */ 39 1.2.4.2 yamt short apt_ackoff[2]; /* sequence # difference */ 40 1.2.4.2 yamt u_32_t apt_ackmin[2]; /* don't change seq-off until after this */ 41 1.2.4.2 yamt u_char apt_state[2]; /* connection state */ 42 1.2.4.2 yamt } ap_tcp_t; 43 1.2.4.2 yamt 44 1.2.4.2 yamt typedef struct ap_udp { 45 1.2.4.2 yamt u_short apu_sport; /* source port */ 46 1.2.4.2 yamt u_short apu_dport; /* destination port */ 47 1.2.4.2 yamt } ap_udp_t; 48 1.2.4.2 yamt 49 1.2.4.2 yamt typedef struct ap_session { 50 1.2.4.2 yamt struct aproxy *aps_apr; 51 1.2.4.2 yamt union { 52 1.2.4.2 yamt struct ap_tcp apu_tcp; 53 1.2.4.2 yamt struct ap_udp apu_udp; 54 1.2.4.2 yamt } aps_un; 55 1.2.4.2 yamt U_QUAD_T aps_bytes; /* bytes sent */ 56 1.2.4.2 yamt U_QUAD_T aps_pkts; /* packets sent */ 57 1.2.4.2 yamt void *aps_nat; /* pointer back to nat struct */ 58 1.2.4.2 yamt void *aps_data; /* private data */ 59 1.2.4.2 yamt int aps_psiz; /* size of private data */ 60 1.2.4.2 yamt struct ap_session *aps_next; 61 1.2.4.2 yamt } ap_session_t; 62 1.2.4.2 yamt 63 1.2.4.2 yamt #define aps_sport aps_un.apu_tcp.apt_sport 64 1.2.4.2 yamt #define aps_dport aps_un.apu_tcp.apt_dport 65 1.2.4.2 yamt #define aps_sel aps_un.apu_tcp.apt_sel 66 1.2.4.2 yamt #define aps_seqoff aps_un.apu_tcp.apt_seqoff 67 1.2.4.2 yamt #define aps_seqmin aps_un.apu_tcp.apt_seqmin 68 1.2.4.2 yamt #define aps_state aps_un.apu_tcp.apt_state 69 1.2.4.2 yamt #define aps_ackoff aps_un.apu_tcp.apt_ackoff 70 1.2.4.2 yamt #define aps_ackmin aps_un.apu_tcp.apt_ackmin 71 1.2.4.2 yamt 72 1.2.4.2 yamt 73 1.2.4.2 yamt typedef struct ap_control { 74 1.2.4.2 yamt char apc_label[APR_LABELLEN]; 75 1.2.4.2 yamt char apc_config[APR_LABELLEN]; 76 1.2.4.2 yamt u_char apc_p; 77 1.2.4.2 yamt /* 78 1.2.4.2 yamt * The following fields are upto the proxy's apr_ctl routine to deal 79 1.2.4.2 yamt * with. When the proxy gets this in kernel space, apc_data will 80 1.2.4.2 yamt * point to a malloc'd region of memory of apc_dsize bytes. If the 81 1.2.4.2 yamt * proxy wants to keep that memory, it must set apc_data to NULL 82 1.2.4.2 yamt * before it returns. It is expected if this happens that it will 83 1.2.4.2 yamt * take care to free it in apr_fini or otherwise as appropriate. 84 1.2.4.2 yamt * apc_cmd is provided as a standard place to put simple commands, 85 1.2.4.2 yamt * with apc_arg being available to put a simple arg. 86 1.2.4.2 yamt */ 87 1.2.4.2 yamt u_long apc_cmd; 88 1.2.4.2 yamt u_long apc_arg; 89 1.2.4.2 yamt void *apc_data; 90 1.2.4.2 yamt size_t apc_dsize; 91 1.2.4.2 yamt } ap_ctl_t; 92 1.2.4.2 yamt 93 1.2.4.2 yamt #define APC_CMD_ADD 0 94 1.2.4.2 yamt #define APC_CMD_DEL 1 95 1.2.4.2 yamt 96 1.2.4.2 yamt 97 1.2.4.2 yamt typedef struct aproxy { 98 1.2.4.2 yamt struct aproxy *apr_next; 99 1.2.4.2 yamt struct aproxy *apr_parent; 100 1.2.4.2 yamt char apr_label[APR_LABELLEN]; /* Proxy label # */ 101 1.2.4.2 yamt u_char apr_p; /* protocol */ 102 1.2.4.2 yamt int apr_flags; 103 1.2.4.2 yamt int apr_ref; 104 1.2.4.2 yamt int apr_clones; 105 1.2.4.2 yamt void (* apr_load)(void); 106 1.2.4.2 yamt void (* apr_unload)(void); 107 1.2.4.2 yamt void *(* apr_create)(ipf_main_softc_t *); 108 1.2.4.2 yamt void (* apr_destroy)(ipf_main_softc_t *, void *); 109 1.2.4.2 yamt int (* apr_init)(ipf_main_softc_t *, void *); 110 1.2.4.2 yamt void (* apr_fini)(ipf_main_softc_t *, void *); 111 1.2.4.2 yamt int (* apr_new)(void *, fr_info_t *, ap_session_t *, 112 1.2.4.2 yamt struct nat *); 113 1.2.4.2 yamt void (* apr_del)(ipf_main_softc_t *, ap_session_t *); 114 1.2.4.2 yamt int (* apr_inpkt)(void *, fr_info_t *, ap_session_t *, 115 1.2.4.2 yamt struct nat *); 116 1.2.4.2 yamt int (* apr_outpkt)(void *, fr_info_t *, ap_session_t *, 117 1.2.4.2 yamt struct nat *); 118 1.2.4.2 yamt int (* apr_match)(fr_info_t *, ap_session_t *, struct nat *); 119 1.2.4.2 yamt int (* apr_ctl)(ipf_main_softc_t *, void *, ap_ctl_t *); 120 1.2.4.2 yamt int (* apr_clear)(struct aproxy *); 121 1.2.4.2 yamt int (* apr_flush)(struct aproxy *, int); 122 1.2.4.2 yamt void *apr_soft; 123 1.2.4.2 yamt } aproxy_t; 124 1.2.4.2 yamt 125 1.2.4.2 yamt #define APR_DELETE 1 126 1.2.4.2 yamt 127 1.2.4.2 yamt #define APR_ERR(x) ((x) << 16) 128 1.2.4.2 yamt #define APR_EXIT(x) (((x) >> 16) & 0xffff) 129 1.2.4.2 yamt #define APR_INC(x) ((x) & 0xffff) 130 1.2.4.2 yamt 131 1.2.4.2 yamt 132 1.2.4.2 yamt #ifdef _KERNEL 133 1.2.4.2 yamt /* 134 1.2.4.2 yamt * Generic #define's to cover missing things in the kernel 135 1.2.4.2 yamt */ 136 1.2.4.2 yamt # ifndef isdigit 137 1.2.4.2 yamt # define isdigit(x) ((x) >= '0' && (x) <= '9') 138 1.2.4.2 yamt # endif 139 1.2.4.2 yamt # ifndef isupper 140 1.2.4.2 yamt # define isupper(x) (((unsigned)(x) >= 'A') && ((unsigned)(x) <= 'Z')) 141 1.2.4.2 yamt # endif 142 1.2.4.2 yamt # ifndef islower 143 1.2.4.2 yamt # define islower(x) (((unsigned)(x) >= 'a') && ((unsigned)(x) <= 'z')) 144 1.2.4.2 yamt # endif 145 1.2.4.2 yamt # ifndef isalpha 146 1.2.4.2 yamt # define isalpha(x) (isupper(x) || islower(x)) 147 1.2.4.2 yamt # endif 148 1.2.4.2 yamt # ifndef toupper 149 1.2.4.2 yamt # define toupper(x) (isupper(x) ? (x) : (x) - 'a' + 'A') 150 1.2.4.2 yamt # endif 151 1.2.4.2 yamt # ifndef isspace 152 1.2.4.2 yamt # define isspace(x) (((x) == ' ') || ((x) == '\r') || ((x) == '\n') || \ 153 1.2.4.2 yamt ((x) == '\t') || ((x) == '\b')) 154 1.2.4.2 yamt # endif 155 1.2.4.2 yamt #endif /* _KERNEL */ 156 1.2.4.2 yamt 157 1.2.4.2 yamt /* 158 1.2.4.2 yamt * For the ftp proxy. 159 1.2.4.2 yamt */ 160 1.2.4.2 yamt #define FTP_BUFSZ 160 161 1.2.4.2 yamt #define IPF_FTPBUFSZ 160 162 1.2.4.2 yamt 163 1.2.4.2 yamt typedef struct ftpside { 164 1.2.4.2 yamt char *ftps_rptr; 165 1.2.4.2 yamt char *ftps_wptr; 166 1.2.4.2 yamt void *ftps_ifp; 167 1.2.4.2 yamt u_32_t ftps_seq[2]; 168 1.2.4.2 yamt u_32_t ftps_len; 169 1.2.4.2 yamt int ftps_junk; 170 1.2.4.2 yamt int ftps_cmds; 171 1.2.4.2 yamt int ftps_cmd; 172 1.2.4.2 yamt char ftps_buf[FTP_BUFSZ]; 173 1.2.4.2 yamt } ftpside_t; 174 1.2.4.2 yamt 175 1.2.4.2 yamt typedef struct ftpinfo { 176 1.2.4.2 yamt int ftp_passok; 177 1.2.4.2 yamt int ftp_incok; 178 1.2.4.2 yamt void *ftp_pendstate; 179 1.2.4.2 yamt nat_t *ftp_pendnat; 180 1.2.4.2 yamt ftpside_t ftp_side[2]; 181 1.2.4.2 yamt } ftpinfo_t; 182 1.2.4.2 yamt 183 1.2.4.2 yamt 184 1.2.4.2 yamt /* 185 1.2.4.2 yamt * For the irc proxy. 186 1.2.4.2 yamt */ 187 1.2.4.2 yamt typedef struct ircinfo { 188 1.2.4.2 yamt size_t irc_len; 189 1.2.4.2 yamt char *irc_snick; 190 1.2.4.2 yamt char *irc_dnick; 191 1.2.4.2 yamt char *irc_type; 192 1.2.4.2 yamt char *irc_arg; 193 1.2.4.2 yamt char *irc_addr; 194 1.2.4.2 yamt u_32_t irc_ipnum; 195 1.2.4.2 yamt u_short irc_port; 196 1.2.4.2 yamt } ircinfo_t; 197 1.2.4.2 yamt 198 1.2.4.2 yamt 199 1.2.4.2 yamt /* 200 1.2.4.2 yamt * For the rcmd proxy. rcmd_rule must be last for names in ipnat_t 201 1.2.4.2 yamt */ 202 1.2.4.2 yamt typedef struct rcmdinfo { 203 1.2.4.2 yamt u_32_t rcmd_port; /* Port number seen */ 204 1.2.4.2 yamt u_32_t rcmd_portseq; /* Sequence number where port is first seen */ 205 1.2.4.2 yamt ipnat_t rcmd_rule; /* Template rule for back connection */ 206 1.2.4.2 yamt } rcmdinfo_t; 207 1.2.4.2 yamt 208 1.2.4.2 yamt /* 209 1.2.4.2 yamt * For the DNS "proxy" 210 1.2.4.2 yamt */ 211 1.2.4.2 yamt typedef struct dnsinfo { 212 1.2.4.2 yamt ipfmutex_t dnsi_lock; 213 1.2.4.2 yamt u_short dnsi_id; 214 1.2.4.2 yamt char dnsi_buffer[512]; 215 1.2.4.2 yamt } dnsinfo_t; 216 1.2.4.2 yamt 217 1.2.4.2 yamt 218 1.2.4.2 yamt /* 219 1.2.4.2 yamt * Real audio proxy structure and #defines 220 1.2.4.2 yamt */ 221 1.2.4.2 yamt typedef struct raudio_s { 222 1.2.4.2 yamt int rap_seenpna; 223 1.2.4.2 yamt int rap_seenver; 224 1.2.4.2 yamt int rap_version; 225 1.2.4.2 yamt int rap_eos; /* End Of Startup */ 226 1.2.4.2 yamt int rap_gotid; 227 1.2.4.2 yamt int rap_gotlen; 228 1.2.4.2 yamt int rap_mode; 229 1.2.4.2 yamt int rap_sdone; 230 1.2.4.2 yamt u_short rap_plport; 231 1.2.4.2 yamt u_short rap_prport; 232 1.2.4.2 yamt u_short rap_srport; 233 1.2.4.2 yamt char rap_svr[19]; 234 1.2.4.2 yamt u_32_t rap_sbf; /* flag to indicate which of the 19 bytes have 235 1.2.4.2 yamt * been filled 236 1.2.4.2 yamt */ 237 1.2.4.2 yamt u_32_t rap_sseq; 238 1.2.4.2 yamt } raudio_t; 239 1.2.4.2 yamt 240 1.2.4.2 yamt #define RA_ID_END 0 241 1.2.4.2 yamt #define RA_ID_UDP 1 242 1.2.4.2 yamt #define RA_ID_ROBUST 7 243 1.2.4.2 yamt 244 1.2.4.2 yamt #define RAP_M_UDP 1 245 1.2.4.2 yamt #define RAP_M_ROBUST 2 246 1.2.4.2 yamt #define RAP_M_TCP 4 247 1.2.4.2 yamt #define RAP_M_UDP_ROBUST (RAP_M_UDP|RAP_M_ROBUST) 248 1.2.4.2 yamt 249 1.2.4.2 yamt 250 1.2.4.2 yamt /* 251 1.2.4.2 yamt * MSN RPC proxy 252 1.2.4.2 yamt */ 253 1.2.4.2 yamt typedef struct msnrpcinfo { 254 1.2.4.2 yamt u_int mri_flags; 255 1.2.4.2 yamt int mri_cmd[2]; 256 1.2.4.2 yamt u_int mri_valid; 257 1.2.4.2 yamt struct in_addr mri_raddr; 258 1.2.4.2 yamt u_short mri_rport; 259 1.2.4.2 yamt } msnrpcinfo_t; 260 1.2.4.2 yamt 261 1.2.4.2 yamt 262 1.2.4.2 yamt /* 263 1.2.4.2 yamt * IPSec proxy. ipsc_rule must be last for names in ipnat_t 264 1.2.4.2 yamt */ 265 1.2.4.2 yamt typedef u_32_t ipsec_cookie_t[2]; 266 1.2.4.2 yamt 267 1.2.4.2 yamt typedef struct ipsec_pxy { 268 1.2.4.2 yamt ipsec_cookie_t ipsc_icookie; 269 1.2.4.2 yamt ipsec_cookie_t ipsc_rcookie; 270 1.2.4.2 yamt int ipsc_rckset; 271 1.2.4.2 yamt nat_t *ipsc_nat; 272 1.2.4.2 yamt struct ipstate *ipsc_state; 273 1.2.4.2 yamt ipnat_t ipsc_rule; 274 1.2.4.2 yamt } ipsec_pxy_t; 275 1.2.4.2 yamt 276 1.2.4.2 yamt /* 277 1.2.4.2 yamt * PPTP proxy. pptp_rule must be last for names in ipnat_t 278 1.2.4.2 yamt */ 279 1.2.4.2 yamt typedef struct pptp_side { 280 1.2.4.2 yamt u_32_t pptps_nexthdr; 281 1.2.4.2 yamt u_32_t pptps_next; 282 1.2.4.2 yamt int pptps_state; 283 1.2.4.2 yamt int pptps_gothdr; 284 1.2.4.2 yamt int pptps_len; 285 1.2.4.2 yamt int pptps_bytes; 286 1.2.4.2 yamt char *pptps_wptr; 287 1.2.4.2 yamt char pptps_buffer[512]; 288 1.2.4.2 yamt } pptp_side_t; 289 1.2.4.2 yamt 290 1.2.4.2 yamt typedef struct pptp_pxy { 291 1.2.4.2 yamt nat_t *pptp_nat; 292 1.2.4.2 yamt struct ipstate *pptp_state; 293 1.2.4.2 yamt u_short pptp_call[2]; 294 1.2.4.2 yamt pptp_side_t pptp_side[2]; 295 1.2.4.2 yamt ipnat_t pptp_rule; 296 1.2.4.2 yamt } pptp_pxy_t; 297 1.2.4.2 yamt 298 1.2.4.2 yamt 299 1.2.4.2 yamt /* 300 1.2.4.2 yamt * Sun RPCBIND proxy 301 1.2.4.2 yamt */ 302 1.2.4.2 yamt #define RPCB_MAXMSG 888 303 1.2.4.2 yamt #define RPCB_RES_PMAP 0 /* Response contains a v2 port. */ 304 1.2.4.2 yamt #define RPCB_RES_STRING 1 /* " " " v3 (GETADDR) string. */ 305 1.2.4.2 yamt #define RPCB_RES_LIST 2 /* " " " v4 (GETADDRLIST) list. */ 306 1.2.4.2 yamt #define RPCB_MAXREQS 32 /* Arbitrary limit on tracked transactions */ 307 1.2.4.2 yamt 308 1.2.4.2 yamt #define RPCB_REQMIN 40 309 1.2.4.2 yamt #define RPCB_REQMAX 888 310 1.2.4.2 yamt #define RPCB_REPMIN 20 311 1.2.4.2 yamt #define RPCB_REPMAX 604 /* XXX double check this! */ 312 1.2.4.2 yamt 313 1.2.4.2 yamt /* 314 1.2.4.2 yamt * These macros determine the number of bytes between p and the end of 315 1.2.4.2 yamt * r->rs_buf relative to l. 316 1.2.4.2 yamt */ 317 1.2.4.2 yamt #define RPCB_BUF_END(r) (char *)((r)->rm_msgbuf + (r)->rm_buflen) 318 1.2.4.2 yamt #define RPCB_BUF_GEQ(r, p, l) \ 319 1.2.4.2 yamt ((RPCB_BUF_END((r)) > (char *)(p)) && \ 320 1.2.4.2 yamt ((RPCB_BUF_END((r)) - (char *)(p)) >= (l))) 321 1.2.4.2 yamt #define RPCB_BUF_EQ(r, p, l) \ 322 1.2.4.2 yamt (RPCB_BUF_END((r)) == ((char *)(p) + (l))) 323 1.2.4.2 yamt 324 1.2.4.2 yamt /* 325 1.2.4.2 yamt * The following correspond to RPC(B) detailed in RFC183[13]. 326 1.2.4.2 yamt */ 327 1.2.4.2 yamt #define RPCB_CALL 0 328 1.2.4.2 yamt #define RPCB_REPLY 1 329 1.2.4.2 yamt #define RPCB_MSG_VERSION 2 330 1.2.4.2 yamt #define RPCB_PROG 100000 331 1.2.4.2 yamt #define RPCB_GETPORT 3 332 1.2.4.2 yamt #define RPCB_GETADDR 3 333 1.2.4.2 yamt #define RPCB_GETADDRLIST 11 334 1.2.4.2 yamt #define RPCB_MSG_ACCEPTED 0 335 1.2.4.2 yamt #define RPCB_MSG_DENIED 1 336 1.2.4.2 yamt 337 1.2.4.2 yamt /* BEGIN (Generic XDR structures) */ 338 1.2.4.2 yamt typedef struct xdr_string { 339 1.2.4.2 yamt u_32_t *xs_len; 340 1.2.4.2 yamt char *xs_str; 341 1.2.4.2 yamt } xdr_string_t; 342 1.2.4.2 yamt 343 1.2.4.2 yamt typedef struct xdr_auth { 344 1.2.4.2 yamt /* u_32_t xa_flavor; */ 345 1.2.4.2 yamt xdr_string_t xa_string; 346 1.2.4.2 yamt } xdr_auth_t; 347 1.2.4.2 yamt 348 1.2.4.2 yamt typedef struct xdr_uaddr { 349 1.2.4.2 yamt u_32_t xu_ip; 350 1.2.4.2 yamt u_short xu_port; 351 1.2.4.2 yamt xdr_string_t xu_str; 352 1.2.4.2 yamt } xdr_uaddr_t; 353 1.2.4.2 yamt 354 1.2.4.2 yamt typedef struct xdr_proto { 355 1.2.4.2 yamt u_int xp_proto; 356 1.2.4.2 yamt xdr_string_t xp_str; 357 1.2.4.2 yamt } xdr_proto_t; 358 1.2.4.2 yamt 359 1.2.4.2 yamt #define xu_xslen xu_str.xs_len 360 1.2.4.2 yamt #define xu_xsstr xu_str.xs_str 361 1.2.4.2 yamt #define xp_xslen xp_str.xs_len 362 1.2.4.2 yamt #define xp_xsstr xp_str.xs_str 363 1.2.4.2 yamt /* END (Generic XDR structures) */ 364 1.2.4.2 yamt 365 1.2.4.2 yamt /* BEGIN (RPC call structures) */ 366 1.2.4.2 yamt typedef struct pmap_args { 367 1.2.4.2 yamt /* u_32_t pa_prog; */ 368 1.2.4.2 yamt /* u_32_t pa_vers; */ 369 1.2.4.2 yamt u_32_t *pa_prot; 370 1.2.4.2 yamt /* u_32_t pa_port; */ 371 1.2.4.2 yamt } pmap_args_t; 372 1.2.4.2 yamt 373 1.2.4.2 yamt typedef struct rpcb_args { 374 1.2.4.2 yamt /* u_32_t *ra_prog; */ 375 1.2.4.2 yamt /* u_32_t *ra_vers; */ 376 1.2.4.2 yamt xdr_proto_t ra_netid; 377 1.2.4.2 yamt xdr_uaddr_t ra_maddr; 378 1.2.4.2 yamt /* xdr_string_t ra_owner; */ 379 1.2.4.2 yamt } rpcb_args_t; 380 1.2.4.2 yamt 381 1.2.4.2 yamt typedef struct rpc_call { 382 1.2.4.2 yamt /* u_32_t rc_rpcvers; */ 383 1.2.4.2 yamt /* u_32_t rc_prog; */ 384 1.2.4.2 yamt u_32_t *rc_vers; 385 1.2.4.2 yamt u_32_t *rc_proc; 386 1.2.4.2 yamt xdr_auth_t rc_authcred; 387 1.2.4.2 yamt xdr_auth_t rc_authverf; 388 1.2.4.2 yamt union { 389 1.2.4.2 yamt pmap_args_t ra_pmapargs; 390 1.2.4.2 yamt rpcb_args_t ra_rpcbargs; 391 1.2.4.2 yamt } rpcb_args; 392 1.2.4.2 yamt } rpc_call_t; 393 1.2.4.2 yamt 394 1.2.4.2 yamt #define rc_pmapargs rpcb_args.ra_pmapargs 395 1.2.4.2 yamt #define rc_rpcbargs rpcb_args.ra_rpcbargs 396 1.2.4.2 yamt /* END (RPC call structures) */ 397 1.2.4.2 yamt 398 1.2.4.2 yamt /* BEGIN (RPC reply structures) */ 399 1.2.4.2 yamt typedef struct rpcb_entry { 400 1.2.4.2 yamt xdr_uaddr_t re_maddr; 401 1.2.4.2 yamt xdr_proto_t re_netid; 402 1.2.4.2 yamt /* u_32_t re_semantics; */ 403 1.2.4.2 yamt xdr_string_t re_family; 404 1.2.4.2 yamt xdr_proto_t re_proto; 405 1.2.4.2 yamt u_32_t *re_more; /* 1 == another entry follows */ 406 1.2.4.2 yamt } rpcb_entry_t; 407 1.2.4.2 yamt 408 1.2.4.2 yamt typedef struct rpcb_listp { 409 1.2.4.2 yamt u_32_t *rl_list; /* 1 == list follows */ 410 1.2.4.2 yamt int rl_cnt; 411 1.2.4.2 yamt rpcb_entry_t rl_entries[2]; /* TCP / UDP only */ 412 1.2.4.2 yamt } rpcb_listp_t; 413 1.2.4.2 yamt 414 1.2.4.2 yamt typedef struct rpc_resp { 415 1.2.4.2 yamt /* u_32_t rr_acceptdeny; */ 416 1.2.4.2 yamt /* Omitted 'message denied' fork; we don't care about rejects. */ 417 1.2.4.2 yamt xdr_auth_t rr_authverf; 418 1.2.4.2 yamt /* u_32_t *rr_astat; */ 419 1.2.4.2 yamt union { 420 1.2.4.2 yamt u_32_t *resp_pmap; 421 1.2.4.2 yamt xdr_uaddr_t resp_getaddr; 422 1.2.4.2 yamt rpcb_listp_t resp_getaddrlist; 423 1.2.4.2 yamt } rpcb_reply; 424 1.2.4.2 yamt } rpc_resp_t; 425 1.2.4.2 yamt 426 1.2.4.2 yamt #define rr_v2 rpcb_reply.resp_pmap 427 1.2.4.2 yamt #define rr_v3 rpcb_reply.resp_getaddr 428 1.2.4.2 yamt #define rr_v4 rpcb_reply.resp_getaddrlist 429 1.2.4.2 yamt /* END (RPC reply structures) */ 430 1.2.4.2 yamt 431 1.2.4.2 yamt /* BEGIN (RPC message structure & macros) */ 432 1.2.4.2 yamt typedef struct rpc_msg { 433 1.2.4.2 yamt char rm_msgbuf[RPCB_MAXMSG]; /* RPCB data buffer */ 434 1.2.4.2 yamt u_int rm_buflen; 435 1.2.4.2 yamt u_32_t *rm_xid; 436 1.2.4.2 yamt /* u_32_t Call vs Reply */ 437 1.2.4.2 yamt union { 438 1.2.4.2 yamt rpc_call_t rb_call; 439 1.2.4.2 yamt rpc_resp_t rb_resp; 440 1.2.4.2 yamt } rm_body; 441 1.2.4.2 yamt } rpc_msg_t; 442 1.2.4.2 yamt 443 1.2.4.2 yamt #define rm_call rm_body.rb_call 444 1.2.4.2 yamt #define rm_resp rm_body.rb_resp 445 1.2.4.2 yamt /* END (RPC message structure & macros) */ 446 1.2.4.2 yamt 447 1.2.4.2 yamt /* 448 1.2.4.2 yamt * These code paths aren't hot enough to warrant per transaction 449 1.2.4.2 yamt * mutexes. 450 1.2.4.2 yamt */ 451 1.2.4.2 yamt typedef struct rpcb_xact { 452 1.2.4.2 yamt struct rpcb_xact *rx_next; 453 1.2.4.2 yamt struct rpcb_xact **rx_pnext; 454 1.2.4.2 yamt u_32_t rx_xid; /* RPC transmission ID */ 455 1.2.4.2 yamt u_int rx_type; /* RPCB response type */ 456 1.2.4.2 yamt u_int rx_ref; /* reference count */ 457 1.2.4.2 yamt u_int rx_proto; /* transport protocol (v2 only) */ 458 1.2.4.2 yamt } rpcb_xact_t; 459 1.2.4.2 yamt 460 1.2.4.2 yamt typedef struct rpcb_session { 461 1.2.4.2 yamt ipfmutex_t rs_rxlock; 462 1.2.4.2 yamt rpcb_xact_t *rs_rxlist; 463 1.2.4.2 yamt } rpcb_session_t; 464 1.2.4.2 yamt 465 1.2.4.2 yamt /* 466 1.2.4.2 yamt * For an explanation, please see the following: 467 1.2.4.2 yamt * RFC1832 - Sections 3.11, 4.4, and 4.5. 468 1.2.4.2 yamt */ 469 1.2.4.2 yamt #define XDRALIGN(x) ((((x) % 4) != 0) ? ((((x) + 3) / 4) * 4) : (x)) 470 1.2.4.2 yamt 471 1.2.4.2 yamt extern int ipf_proxy_add(void *, aproxy_t *); 472 1.2.4.2 yamt extern int ipf_proxy_check(fr_info_t *, struct nat *); 473 1.2.4.2 yamt extern int ipf_proxy_ctl(ipf_main_softc_t *, void *, ap_ctl_t *); 474 1.2.4.2 yamt extern int ipf_proxy_del(aproxy_t *); 475 1.2.4.2 yamt extern void ipf_proxy_flush(void *, int); 476 1.2.4.2 yamt extern void ipf_proxy_free(aproxy_t *); 477 1.2.4.2 yamt extern int ipf_proxy_init(void); 478 1.2.4.2 yamt extern int ipf_proxy_ioctl(ipf_main_softc_t *, void *, ioctlcmd_t, int, void *); 479 1.2.4.2 yamt extern aproxy_t *ipf_proxy_lookup(void *, u_int, char *); 480 1.2.4.2 yamt extern int ipf_proxy_match(fr_info_t *, struct nat *); 481 1.2.4.2 yamt extern int ipf_proxy_new(fr_info_t *, struct nat *); 482 1.2.4.2 yamt extern int ipf_proxy_ok(fr_info_t *, tcphdr_t *, struct ipnat *); 483 1.2.4.2 yamt extern void aps_free(ipf_main_softc_t *, void *, ap_session_t *); 484 1.2.4.2 yamt extern int ipf_proxy_main_load(void); 485 1.2.4.2 yamt extern int ipf_proxy_main_unload(void); 486 1.2.4.2 yamt extern void *ipf_proxy_soft_create(ipf_main_softc_t *); 487 1.2.4.2 yamt extern void ipf_proxy_soft_destroy(ipf_main_softc_t *, void *); 488 1.2.4.2 yamt extern int ipf_proxy_soft_init(ipf_main_softc_t *, void *); 489 1.2.4.2 yamt extern int ipf_proxy_soft_fini(ipf_main_softc_t *, void *); 490 1.2.4.2 yamt 491 1.2.4.2 yamt #endif /* _NETINET_IP_PROXY_H_ */ 492
Indexes created Wed Oct 22 13:09:56 GMT 2025