libnetfilter_conntrack 1.1.0
conntrack/snprintf.c
1/*
2 * (C) 2005-2011 by Pablo Neira Ayuso <pablo@netfilter.org>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10#include "internal/internal.h"
11
12/* these arrays are used by snprintf_default.c and snprintf_xml.c */
13const char *const l3proto2str[AF_MAX] = {
14 [AF_INET] = "ipv4",
15 [AF_INET6] = "ipv6",
16};
17
18const char *const proto2str[IPPROTO_MAX] = {
19 [IPPROTO_TCP] = "tcp",
20 [IPPROTO_UDP] = "udp",
21 [IPPROTO_UDPLITE] = "udplite",
22 [IPPROTO_ICMP] = "icmp",
23 [IPPROTO_ICMPV6] = "icmpv6",
24 [IPPROTO_SCTP] = "sctp",
25 [IPPROTO_GRE] = "gre",
26 [IPPROTO_DCCP] = "dccp",
27};
28
29const char *const states[TCP_CONNTRACK_MAX] = {
30 [TCP_CONNTRACK_NONE] = "NONE",
31 [TCP_CONNTRACK_SYN_SENT] = "SYN_SENT",
32 [TCP_CONNTRACK_SYN_RECV] = "SYN_RECV",
33 [TCP_CONNTRACK_ESTABLISHED] = "ESTABLISHED",
34 [TCP_CONNTRACK_FIN_WAIT] = "FIN_WAIT",
35 [TCP_CONNTRACK_CLOSE_WAIT] = "CLOSE_WAIT",
36 [TCP_CONNTRACK_LAST_ACK] = "LAST_ACK",
37 [TCP_CONNTRACK_TIME_WAIT] = "TIME_WAIT",
38 [TCP_CONNTRACK_CLOSE] = "CLOSE",
39 [TCP_CONNTRACK_SYN_SENT2] = "SYN_SENT2",
40};
41
42const char *const sctp_states[SCTP_CONNTRACK_MAX] = {
43 [SCTP_CONNTRACK_NONE] = "NONE",
44 [SCTP_CONNTRACK_CLOSED] = "CLOSED",
45 [SCTP_CONNTRACK_COOKIE_WAIT] = "COOKIE_WAIT",
46 [SCTP_CONNTRACK_COOKIE_ECHOED] = "COOKIE_ECHOED",
47 [SCTP_CONNTRACK_ESTABLISHED] = "ESTABLISHED",
48 [SCTP_CONNTRACK_SHUTDOWN_SENT] = "SHUTDOWN_SENT",
49 [SCTP_CONNTRACK_SHUTDOWN_RECD] = "SHUTDOWN_RECD",
50 [SCTP_CONNTRACK_SHUTDOWN_ACK_SENT] = "SHUTDOWN_ACK_SENT",
51 [SCTP_CONNTRACK_HEARTBEAT_SENT] = "HEARTBEAT_SENT",
52 [SCTP_CONNTRACK_HEARTBEAT_ACKED] = "HEARTBEAT_ACKED",
53};
54
55const char *const dccp_states[DCCP_CONNTRACK_MAX] = {
56 [DCCP_CONNTRACK_NONE] = "NONE",
57 [DCCP_CONNTRACK_REQUEST] = "REQUEST",
58 [DCCP_CONNTRACK_RESPOND] = "RESPOND",
59 [DCCP_CONNTRACK_PARTOPEN] = "PARTOPEN",
60 [DCCP_CONNTRACK_OPEN] = "OPEN",
61 [DCCP_CONNTRACK_CLOSEREQ] = "CLOSEREQ",
62 [DCCP_CONNTRACK_CLOSING] = "CLOSING",
63 [DCCP_CONNTRACK_TIMEWAIT] = "TIMEWAIT",
64 [DCCP_CONNTRACK_IGNORE] = "IGNORE",
65 [DCCP_CONNTRACK_INVALID] = "INVALID",
66};
67
68int __snprintf_conntrack(char *buf,
69 unsigned int len,
70 const struct nf_conntrack *ct,
71 unsigned int type,
72 unsigned int msg_output,
73 unsigned int flags,
74 struct nfct_labelmap *map)
75{
76 int size;
77
78 switch(msg_output) {
79 case NFCT_O_DEFAULT:
80 size = __snprintf_conntrack_default(buf, len, ct, type, flags, map);
81 break;
82 case NFCT_O_XML:
83 size = __snprintf_conntrack_xml(buf, len, ct, type, flags, map);
84 break;
85 default:
86 errno = ENOENT;
87 return -1;
88 }
89
90 if (size < 0)
91 return size;
92
93 /* NULL terminated string */
94 buf[size+1 > len ? len-1 : size] = '\0';
95
96 return size;
97}