X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/378393581903b274cb7a4d18e0d978071a6b592d..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/bsd/netinet/in_pcb.h diff --git a/bsd/netinet/in_pcb.h b/bsd/netinet/in_pcb.h index 9f8b77058..a793f3a12 100644 --- a/bsd/netinet/in_pcb.h +++ b/bsd/netinet/in_pcb.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1982, 1986, 1990, 1993 @@ -54,6 +60,12 @@ * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 * $FreeBSD: src/sys/netinet/in_pcb.h,v 1.32.2.4 2001/08/13 16:26:17 ume Exp $ */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2007 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _NETINET_IN_PCB_H_ #define _NETINET_IN_PCB_H_ @@ -104,6 +116,9 @@ struct in_addr_4in6 { * stable. */ struct icmp6_filter; +#if CONFIG_MACF_NET +struct label; +#endif struct inpcb { LIST_ENTRY(inpcb) inp_hash; /* hash list */ @@ -116,7 +131,7 @@ struct inpcb { struct inpcbinfo *inp_pcbinfo; /* PCB list info */ struct socket *inp_socket; /* back pointer to socket */ u_char nat_owner; /* Used to NAT TCP/UDP traffic */ - u_long nat_cookie; /* Cookie stored and returned to NAT */ + u_int32_t nat_cookie; /* Cookie stored and returned to NAT */ LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ struct inpcbport *inp_phd; /* head of this list */ inp_gen_t inp_gencnt; /* generation count of this instance */ @@ -177,7 +192,11 @@ struct inpcb { #else void *inpcb_mtx; #endif - u_long reserved[2]; /* For future use */ + unsigned int inp_boundif; /* interface scope for INP_BOUND_IF */ + u_int32_t inp_reserved[3]; /* reserved for future use */ +#if CONFIG_MACF_NET + struct label *inp_label; /* MAC label */ +#endif }; #endif /* KERNEL_PRIVATE */ @@ -202,32 +221,47 @@ struct inpcb { * CAUTION: Many fields may not be filled out. Fewer may be filled out * in the future. Code defensively. */ + +#pragma pack(4) + +#if defined(__LP64__) +struct _inpcb_list_entry { + u_int32_t le_next; + u_int32_t le_prev; +}; +#define _INPCB_PTR(x) u_int32_t +#define _INPCB_LIST_ENTRY(x) struct _inpcb_list_entry +#else +#define _INPCB_PTR(x) x +#define _INPCB_LIST_ENTRY(x) LIST_ENTRY(x) +#endif + #ifdef KERNEL_PRIVATE struct inpcb_compat { #else struct inpcbinfo; struct inpcbport; struct mbuf; -struct ip6_pktopts; -struct ip6_moptions; -struct icmp6_filter; +struct ip6_pktopts; +struct ip6_moptions; +struct icmp6_filter; struct inpcbpolicy; struct inpcb { #endif /* KERNEL_PRIVATE */ - LIST_ENTRY(inpcb) inp_hash; /* hash list */ + _INPCB_LIST_ENTRY(inpcb) inp_hash; /* hash list */ struct in_addr reserved1; /* APPLE reserved: inp_faddr defined in protcol indep. part */ struct in_addr reserved2; /* APPLE reserved */ u_short inp_fport; /* foreign port */ u_short inp_lport; /* local port */ - LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ - caddr_t inp_ppcb; /* pointer to per-protocol pcb */ - struct inpcbinfo *inp_pcbinfo; /* PCB list info */ - void* inp_socket; /* back pointer to socket */ + _INPCB_LIST_ENTRY(inpcb) inp_list; /* list for all PCBs of this proto */ + _INPCB_PTR(caddr_t) inp_ppcb; /* pointer to per-protocol pcb */ + _INPCB_PTR(struct inpcbinfo *) inp_pcbinfo; /* PCB list info */ + _INPCB_PTR(void *) inp_socket; /* back pointer to socket */ u_char nat_owner; /* Used to NAT TCP/UDP traffic */ - u_long nat_cookie; /* Cookie stored and returned to NAT */ - LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ - struct inpcbport *inp_phd; /* head of this list */ + u_int32_t nat_cookie; /* Cookie stored and returned to NAT */ + _INPCB_LIST_ENTRY(inpcb) inp_portlist; /* list for this PCB's local port */ + _INPCB_PTR(struct inpcbport *) inp_phd; /* head of this list */ inp_gen_t inp_gencnt; /* generation count of this instance */ int inp_flags; /* generic IP/datagram flags */ u_int32_t inp_flow; @@ -256,23 +290,23 @@ struct inpcb { /* type of service proto */ u_char inp4_ip_tos; /* IP options */ - struct mbuf *inp4_options; + _INPCB_PTR(struct mbuf *) inp4_options; /* IP multicast options */ - struct ip_moptions *inp4_moptions; + _INPCB_PTR(struct ip_moptions *) inp4_moptions; } inp_depend4; struct { /* IP options */ - struct mbuf *inp6_options; + _INPCB_PTR(struct mbuf *) inp6_options; u_int8_t inp6_hlim; u_int8_t unused_uint8_1; ushort unused_uint16_1; /* IP6 options for outgoing packets */ - struct ip6_pktopts *inp6_outputopts; + _INPCB_PTR(struct ip6_pktopts *) inp6_outputopts; /* IP multicast options */ - struct ip6_moptions *inp6_moptions; + _INPCB_PTR(struct ip6_moptions *) inp6_moptions; /* ICMPv6 code type filter */ - struct icmp6_filter *inp6_icmp6filt; + _INPCB_PTR(struct icmp6_filter *) inp6_icmp6filt; /* IPV6_CHECKSUM setsockopt */ int inp6_cksum; u_short inp6_ifindex; @@ -280,13 +314,13 @@ struct inpcb { } inp_depend6; int hash_element; /* Array index of pcb's hash list */ - caddr_t inp_saved_ppcb; /* place to save pointer while cached */ - struct inpcbpolicy *inp_sp; - u_long reserved[3]; /* For future use */ + _INPCB_PTR(caddr_t) inp_saved_ppcb; /* place to save pointer while cached */ + _INPCB_PTR(struct inpcbpolicy *) inp_sp; + u_int32_t reserved[3]; /* For future use */ }; struct xinpcb { - size_t xi_len; /* length of this structure */ + u_int32_t xi_len; /* length of this structure */ #ifdef KERNEL_PRIVATE struct inpcb_compat xi_inp; #else @@ -296,13 +330,63 @@ struct xinpcb { u_quad_t xi_alignment_hack; }; +#if !CONFIG_EMBEDDED + +struct inpcb64_list_entry { + u_int64_t le_next; + u_int64_t le_prev; +}; + +struct xinpcb64 { + u_int64_t xi_len; /* length of this structure */ + u_int64_t xi_inpp; + u_short inp_fport; /* foreign port */ + u_short inp_lport; /* local port */ + struct inpcb64_list_entry + inp_list; /* list for all PCBs of this proto */ + u_int64_t inp_ppcb; /* pointer to per-protocol pcb */ + u_int64_t inp_pcbinfo; /* PCB list info */ + struct inpcb64_list_entry + inp_portlist; /* list for this PCB's local port */ + u_int64_t inp_phd; /* head of this list */ + inp_gen_t inp_gencnt; /* generation count of this instance */ + int inp_flags; /* generic IP/datagram flags */ + u_int32_t inp_flow; + u_char inp_vflag; + u_char inp_ip_ttl; /* time to live */ + u_char inp_ip_p; /* protocol */ + union { /* foreign host table entry */ + struct in_addr_4in6 inp46_foreign; + struct in6_addr inp6_foreign; + } inp_dependfaddr; + union { /* local host table entry */ + struct in_addr_4in6 inp46_local; + struct in6_addr inp6_local; + } inp_dependladdr; + struct { + u_char inp4_ip_tos; /* type of service */ + } inp_depend4; + struct { + u_int8_t inp6_hlim; + int inp6_cksum; + u_short inp6_ifindex; + short inp6_hops; + } inp_depend6; + struct xsocket64 xi_socket; + u_quad_t xi_alignment_hack; +}; + +#endif /* !CONFIG_EMBEDDED */ + struct xinpgen { - size_t xig_len; /* length of this structure */ + u_int32_t xig_len; /* length of this structure */ u_int xig_count; /* number of PCBs at this time */ inp_gen_t xig_gen; /* generation count at this time */ so_gen_t xig_sogen; /* socket generation count at this time */ }; +#pragma pack() + /* * These defines are for use with the inpcb. */ @@ -327,7 +411,7 @@ struct xinpgen { #define in6p_moptions inp_depend6.inp6_moptions #define in6p_icmp6filt inp_depend6.inp6_icmp6filt #define in6p_cksum inp_depend6.inp6_cksum -#define inp6_ifindex inp_depend6.inp6_ifindex +#define in6p_ifindex inp_depend6.inp6_ifindex #define in6p_flags inp_flags /* for KAME src sync over BSD*'s */ #define in6p_socket inp_socket /* for KAME src sync over BSD*'s */ #define in6p_lport inp_lport /* for KAME src sync over BSD*'s */ @@ -346,11 +430,11 @@ struct inpcbport { struct inpcbinfo { /* XXX documentation, prefixes */ struct inpcbhead *hashbase; #ifdef __APPLE__ - u_long hashsize; /* in elements */ + u_int32_t hashsize; /* in elements */ #endif - u_long hashmask; + u_long hashmask; /* needs to be u_long as expected by hash functions */ struct inpcbporthead *porthashbase; - u_long porthashmask; + u_long porthashmask; /* needs to be u_long as expected by hash functions */ struct inpcbhead *listhead; u_short lastport; u_short lastlow; @@ -359,15 +443,11 @@ struct inpcbinfo { /* XXX documentation, prefixes */ u_int ipi_count; /* number of pcbs in this list */ u_quad_t ipi_gencnt; /* current generation count */ #ifdef __APPLE__ - u_char all_owners; - struct socket nat_dummy_socket; /* fake socket for NAT pcb backpointer */ - struct inpcb *nat_dummy_pcb; /* fake pcb for finding NAT mutex */ - caddr_t dummy_cb; #ifdef _KERN_LOCKS_H_ - lck_attr_t *mtx_attr; /* mutex attributes */ - lck_grp_t *mtx_grp; /* mutex group definition */ + lck_attr_t *mtx_attr; /* mutex attributes */ + lck_grp_t *mtx_grp; /* mutex group definition */ lck_grp_attr_t *mtx_grp_attr; /* mutex group attributes */ - lck_rw_t *mtx; /* global mutex for the pcblist*/ + lck_rw_t *mtx; /* global mutex for the pcblist*/ #else void *mtx_attr; /* mutex attributes */ void *mtx_grp; /* mutex group definition */ @@ -401,6 +481,8 @@ struct inpcbinfo { /* XXX documentation, prefixes */ #define INP_INADDR_ANY 0x800 /* local address wasn't specified */ #define INP_RECVTTL 0x1000 +#define INP_UDP_NOCKSUM 0x2000 /* Turn off outbound UDP checksum */ +#define INP_BOUND_IF 0x4000 /* bind socket to an ifindex */ #define IN6P_IPV6_V6ONLY 0x008000 /* restrict AF_INET6 socket for v6 */ @@ -408,19 +490,20 @@ struct inpcbinfo { /* XXX documentation, prefixes */ #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */ #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */ #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */ -#define IN6P_RTHDR 0x100000 /* receive routing header */ +#define IN6P_RTHDR 0x100000 /* receive routing header */ #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */ -#define IN6P_AUTOFLOWLABEL 0x800000 /* attach flowlabel automatically */ +#define IN6P_TCLASS 0x400000 /* receive traffic class value */ +#define IN6P_AUTOFLOWLABEL 0x800000 /* attach flowlabel automatically */ #define IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */ #ifdef KERNEL_PRIVATE #define INP_CONTROLOPTS (INP_RECVOPTS|INP_RECVRETOPTS|INP_RECVDSTADDR|\ - INP_RECVIF|\ + INP_RECVIF|INP_RECVTTL|\ IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\ IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS|\ - IN6P_AUTOFLOWLABEL|INP_RECVTTL) + IN6P_TCLASS|IN6P_AUTOFLOWLABEL) #define INP_UNMAPPABLEOPTS (IN6P_HOPOPTS|IN6P_DSTOPTS|IN6P_RTHDR|\ - IN6P_AUTOFLOWLABEL) + IN6P_TCLASS|IN6P_AUTOFLOWLABEL) /* for KAME src sync over BSD*'s */ #define IN6P_HIGHPORT INP_HIGHPORT @@ -466,68 +549,39 @@ extern int ipport_hilastauto; #define WNT_ACQUIRE 0x1 /* that pcb is being acquired, do not recycle this time */ #define WNT_RELEASE 0x2 /* release acquired mode, can be garbage collected when wantcnt is null */ - -void in_pcbpurgeif0(struct inpcb *, struct ifnet *); -void in_losing(struct inpcb *); -void in_rtchange(struct inpcb *, int); -int in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *); -int in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *); -int in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *); -void in_pcbdetach(struct inpcb *); -void in_pcbdispose (struct inpcb *); -void in_pcbdisconnect(struct inpcb *); -int in_pcbinshash(struct inpcb *, int); -int in_pcbladdr(struct inpcb *, struct sockaddr *, struct sockaddr_in **); -struct inpcb * - in_pcblookup_local(struct inpcbinfo *, struct in_addr, u_int, int); -struct inpcb * - in_pcblookup_hash(struct inpcbinfo *, - struct in_addr, u_int, struct in_addr, u_int, - int, struct ifnet *); -void in_pcbnotifyall(struct inpcbinfo *, struct in_addr, - int, void (*)(struct inpcb *, int)); -void in_pcbrehash(struct inpcb *); -int in_setpeeraddr(struct socket *so, struct sockaddr **nam); -int in_setsockaddr(struct socket *so, struct sockaddr **nam); -int in_pcb_checkstate(struct inpcb *pcb, int mode, int locked); - -int -in_pcb_grab_port (struct inpcbinfo *pcbinfo, - u_short options, - struct in_addr laddr, - u_short *lport, - struct in_addr faddr, - u_short fport, - u_int cookie, - u_char owner_id); - -int -in_pcb_letgo_port(struct inpcbinfo *pcbinfo, - struct in_addr laddr, - u_short lport, - struct in_addr faddr, - u_short fport, u_char owner_id); - -u_char -in_pcb_get_owner(struct inpcbinfo *pcbinfo, - struct in_addr laddr, - u_short lport, - struct in_addr faddr, - u_short fport, - u_int *cookie); - -void in_pcb_nat_init(struct inpcbinfo *pcbinfo, int afamily, int pfamily, - int protocol); - -int -in_pcb_new_share_client(struct inpcbinfo *pcbinfo, u_char *owner_id); - -int -in_pcb_rem_share_client(struct inpcbinfo *pcbinfo, u_char owner_id); - -void in_pcbremlists(struct inpcb *inp); -int in_pcb_ckeckstate(struct inpcb *, int, int); -void inpcb_to_compat(struct inpcb *inp, struct inpcb_compat *inp_compat); +extern void in_losing(struct inpcb *); +extern void in_rtchange(struct inpcb *, int); +extern int in_pcballoc(struct socket *, struct inpcbinfo *, struct proc *); +extern int in_pcbbind(struct inpcb *, struct sockaddr *, struct proc *); +extern int in_pcbconnect(struct inpcb *, struct sockaddr *, struct proc *); +extern void in_pcbdetach(struct inpcb *); +extern void in_pcbdispose (struct inpcb *); +extern void in_pcbdisconnect(struct inpcb *); +extern int in_pcbinshash(struct inpcb *, int); +extern int in_pcbladdr(struct inpcb *, struct sockaddr *, + struct sockaddr_in **); +extern struct inpcb *in_pcblookup_local(struct inpcbinfo *, struct in_addr, + u_int, int); +extern struct inpcb *in_pcblookup_local_and_cleanup(struct inpcbinfo *, + struct in_addr, u_int, int); +extern struct inpcb *in_pcblookup_hash(struct inpcbinfo *, struct in_addr, + u_int, struct in_addr, u_int, int, struct ifnet *); +extern void in_pcbnotifyall(struct inpcbinfo *, struct in_addr, int, + void (*)(struct inpcb *, int)); +extern void in_pcbrehash(struct inpcb *); +extern int in_setpeeraddr(struct socket *so, struct sockaddr **nam); +extern int in_setsockaddr(struct socket *so, struct sockaddr **nam); +extern int in_pcb_checkstate(struct inpcb *pcb, int mode, int locked); + +extern void in_pcbremlists(struct inpcb *inp); +extern void inpcb_to_compat(struct inpcb *inp, + struct inpcb_compat *inp_compat); +#if !CONFIG_EMBEDDED +extern void inpcb_to_xinpcb64(struct inpcb *inp, + struct xinpcb64 *xinp); +#endif +extern void inp_route_copyout(struct inpcb *, struct route *); +extern void inp_route_copyin(struct inpcb *, struct route *); #endif /* KERNEL */ #endif /* KERNEL_PRIVATE */