alias_cuseeme.c (190841) | alias_cuseeme.c (259858) |
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1/*- 2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 3 * with the aid of code written by 4 * Junichi SATOH <junichi@astec.co.jp> 1996, 1997. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 13 unchanged lines hidden (view full) --- 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 3 * with the aid of code written by 4 * Junichi SATOH <junichi@astec.co.jp> 1996, 1997. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 13 unchanged lines hidden (view full) --- 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> |
30__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias_cuseeme.c 190841 2009-04-08 11:56:49Z piso $"); | 30__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias_cuseeme.c 259858 2013-12-25 02:06:57Z glebius $"); |
31 32#ifdef _KERNEL 33#include <sys/param.h> 34#include <sys/kernel.h> 35#include <sys/module.h> 36#else 37#include <errno.h> 38#include <sys/types.h> --- 12 unchanged lines hidden (view full) --- 51#else 52#include "alias_local.h" 53#include "alias_mod.h" 54#endif 55 56#define CUSEEME_PORT_NUMBER 7648 57 58static void | 31 32#ifdef _KERNEL 33#include <sys/param.h> 34#include <sys/kernel.h> 35#include <sys/module.h> 36#else 37#include <errno.h> 38#include <sys/types.h> --- 12 unchanged lines hidden (view full) --- 51#else 52#include "alias_local.h" 53#include "alias_mod.h" 54#endif 55 56#define CUSEEME_PORT_NUMBER 7648 57 58static void |
59AliasHandleCUSeeMeOut(struct libalias *la, struct ip *pip, | 59AliasHandleCUSeeMeOut(struct libalias *la, struct ip *pip, |
60 struct alias_link *lnk); 61 62static void | 60 struct alias_link *lnk); 61 62static void |
63AliasHandleCUSeeMeIn(struct libalias *la, struct ip *pip, | 63AliasHandleCUSeeMeIn(struct libalias *la, struct ip *pip, |
64 struct in_addr original_addr); 65 | 64 struct in_addr original_addr); 65 |
66static int | 66static int |
67fingerprint(struct libalias *la, struct alias_data *ah) 68{ 69 70 if (ah->dport == NULL || ah->oaddr == NULL) 71 return (-1); 72 if (ntohs(*ah->dport) == CUSEEME_PORT_NUMBER) 73 return (0); 74 return (-1); 75} 76 | 67fingerprint(struct libalias *la, struct alias_data *ah) 68{ 69 70 if (ah->dport == NULL || ah->oaddr == NULL) 71 return (-1); 72 if (ntohs(*ah->dport) == CUSEEME_PORT_NUMBER) 73 return (0); 74 return (-1); 75} 76 |
77static int | 77static int |
78protohandlerin(struct libalias *la, struct ip *pip, struct alias_data *ah) 79{ 80 81 AliasHandleCUSeeMeIn(la, pip, *ah->oaddr); 82 return (0); 83} 84 | 78protohandlerin(struct libalias *la, struct ip *pip, struct alias_data *ah) 79{ 80 81 AliasHandleCUSeeMeIn(la, pip, *ah->oaddr); 82 return (0); 83} 84 |
85static int | 85static int |
86protohandlerout(struct libalias *la, struct ip *pip, struct alias_data *ah) 87{ 88 89 AliasHandleCUSeeMeOut(la, pip, ah->lnk); 90 return (0); 91} 92 93/* Kernel module definition. */ 94struct proto_handler handlers[] = { | 86protohandlerout(struct libalias *la, struct ip *pip, struct alias_data *ah) 87{ 88 89 AliasHandleCUSeeMeOut(la, pip, ah->lnk); 90 return (0); 91} 92 93/* Kernel module definition. */ 94struct proto_handler handlers[] = { |
95 { 96 .pri = 120, 97 .dir = OUT, 98 .proto = UDP, 99 .fingerprint = &fingerprint, | 95 { 96 .pri = 120, 97 .dir = OUT, 98 .proto = UDP, 99 .fingerprint = &fingerprint, |
100 .protohandler = &protohandlerout | 100 .protohandler = &protohandlerout |
101 }, | 101 }, |
102 { | 102 { |
103 .pri = 120, 104 .dir = IN, 105 .proto = UDP, 106 .fingerprint = &fingerprint, | 103 .pri = 120, 104 .dir = IN, 105 .proto = UDP, 106 .fingerprint = &fingerprint, |
107 .protohandler = &protohandlerin | 107 .protohandler = &protohandlerin |
108 }, | 108 }, |
109 { EOH } 110}; 111 112static int 113mod_handler(module_t mod, int type, void *data) 114{ 115 int error; 116 --- 8 unchanged lines hidden (view full) --- 125 break; 126 default: 127 error = EINVAL; 128 } 129 return (error); 130} 131 132#ifdef _KERNEL | 109 { EOH } 110}; 111 112static int 113mod_handler(module_t mod, int type, void *data) 114{ 115 int error; 116 --- 8 unchanged lines hidden (view full) --- 125 break; 126 default: 127 error = EINVAL; 128 } 129 return (error); 130} 131 132#ifdef _KERNEL |
133static | 133static |
134#endif | 134#endif |
135moduledata_t | 135moduledata_t |
136alias_mod = { 137 "alias_cuseeme", mod_handler, NULL 138}; 139 140#ifdef _KERNEL 141DECLARE_MODULE(alias_cuseeme, alias_mod, SI_SUB_DRIVERS, SI_ORDER_SECOND); 142MODULE_VERSION(alias_cuseeme, 1); 143MODULE_DEPEND(alias_cuseeme, libalias, 1, 1, 1); --- 85 unchanged lines hidden --- | 136alias_mod = { 137 "alias_cuseeme", mod_handler, NULL 138}; 139 140#ifdef _KERNEL 141DECLARE_MODULE(alias_cuseeme, alias_mod, SI_SUB_DRIVERS, SI_ORDER_SECOND); 142MODULE_VERSION(alias_cuseeme, 1); 143MODULE_DEPEND(alias_cuseeme, libalias, 1, 1, 1); --- 85 unchanged lines hidden --- |