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ip_rcmd_pxy.c (60857) ip_rcmd_pxy.c (63523)
1/*
1/*
2 * $Id: ip_rcmd_pxy.c,v 1.4.2.1 2000/05/06 11:19:34 darrenr Exp $
2 * $Id: ip_rcmd_pxy.c,v 1.4.2.2 2000/07/15 12:38:30 darrenr Exp $
3 */
4/*
5 * Simple RCMD transparent proxy for in-kernel use. For use with the NAT
6 * code.
3 */
4/*
5 * Simple RCMD transparent proxy for in-kernel use. For use with the NAT
6 * code.
7 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c 60857 2000-05-24 04:40:17Z darrenr $
7 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_rcmd_pxy.c 63523 2000-07-19 14:02:09Z darrenr $
8 */
9#if SOLARIS && defined(_KERNEL)
10extern kmutex_t ipf_rw;
11#endif
12
13#define isdigit(x) ((x) >= '0' && (x) <= '9')
14
15#define IPF_RCMD_PROXY

--- 73 unchanged lines hidden (view full) ---

89 fr_info_t fi;
90 nat_t *ipn;
91 mb_t *m;
92#if SOLARIS
93 mb_t *m1;
94#endif
95
96 tcp = (tcphdr_t *)fin->fin_dp;
8 */
9#if SOLARIS && defined(_KERNEL)
10extern kmutex_t ipf_rw;
11#endif
12
13#define isdigit(x) ((x) >= '0' && (x) <= '9')
14
15#define IPF_RCMD_PROXY

--- 73 unchanged lines hidden (view full) ---

89 fr_info_t fi;
90 nat_t *ipn;
91 mb_t *m;
92#if SOLARIS
93 mb_t *m1;
94#endif
95
96 tcp = (tcphdr_t *)fin->fin_dp;
97
98 if (tcp->th_flags & TH_SYN) {
99 *(u_32_t *)aps->aps_data = htonl(ntohl(tcp->th_seq) + 1);
100 return 0;
101 }
102
103 if ((*(u_32_t *)aps->aps_data != 0) &&
104 (tcp->th_seq != *(u_32_t *)aps->aps_data))
105 return 0;
106
97 off = (ip->ip_hl << 2) + (tcp->th_off << 2);
107 off = (ip->ip_hl << 2) + (tcp->th_off << 2);
98 m = *(mb_t **)fin->fin_mp;
99
100#if SOLARIS
101 m = fin->fin_qfm;
102
103 dlen = msgdsize(m) - off;
104 bzero(portbuf, sizeof(portbuf));
105 copyout_mblk(m, off, MIN(sizeof(portbuf), dlen), portbuf);
106#else
108
109#if SOLARIS
110 m = fin->fin_qfm;
111
112 dlen = msgdsize(m) - off;
113 bzero(portbuf, sizeof(portbuf));
114 copyout_mblk(m, off, MIN(sizeof(portbuf), dlen), portbuf);
115#else
116 m = *(mb_t **)fin->fin_mp;
107 dlen = mbufchainlen(m) - off;
108 bzero(portbuf, sizeof(portbuf));
109 m_copydata(m, off, MIN(sizeof(portbuf), dlen), portbuf);
110#endif
117 dlen = mbufchainlen(m) - off;
118 bzero(portbuf, sizeof(portbuf));
119 m_copydata(m, off, MIN(sizeof(portbuf), dlen), portbuf);
120#endif
111 if ((*(u_32_t *)aps->aps_data != 0) &&
112 (tcp->th_seq != *(u_32_t *)aps->aps_data))
113 return 0;
114
115 portbuf[sizeof(portbuf) - 1] = '\0';
116 s = portbuf;
117 sp = ipf_rcmd_atoi(s);
118 if (!sp)
119 return 0;
120
121 /*

--- 45 unchanged lines hidden --- 		121
122 portbuf[sizeof(portbuf) - 1] = '\0';
123 s = portbuf;
124 sp = ipf_rcmd_atoi(s);
125 if (!sp)
126 return 0;
127
128 /*

--- 45 unchanged lines hidden ---