1 /*
2 * sysctl interface for icmp stats for others than NetBSD
3 */
4
5 #include <sys/param.h>
6 #include <sys/sysctl.h>
7 #include <sys/protosw.h>
8
9 #include <netinet/in.h>
10 #include <netinet/in_systm.h>
11 #include <netinet/ip.h>
12 #include <netinet/ip_icmp.h>
13 #include <netinet/ip_var.h>
14 #include <netinet/icmp_var.h>
15 #include <netinet/icmp6.h>
16
17 #include <net-snmp/net-snmp-config.h>
18 #include <net-snmp/net-snmp-includes.h>
19 #include <net-snmp/agent/net-snmp-agent-includes.h>
20
21 #include "kernel_sysctl.h"
22
23 #if defined(NETSNMP_CAN_USE_SYSCTL)
24
25 int
sysctl_read_icmp_stat(struct icmp_mib * mib)26 sysctl_read_icmp_stat(struct icmp_mib *mib)
27 {
28 struct icmpstat icmpstat;
29 size_t size = sizeof(icmpstat);
30 int i;
31 static int sname[4] =
32 { CTL_NET, PF_INET, IPPROTO_ICMP, ICMPCTL_STATS };
33
34 (void)memset(mib, 0, sizeof(*mib));
35
36 if (-1 == sysctl(sname, 4, &icmpstat, &size, NULL, 0)) {
37 snmp_perror("sysctl_read_icmp_stat: net.inet.icmp.stats");
38 return -1;
39 }
40
41 mib->icmpInMsgs = icmpstat.icps_badcode
42 + icmpstat.icps_tooshort
43 + icmpstat.icps_checksum
44 + icmpstat.icps_badlen;
45 mib->icmpInErrors = mib->icmpInMsgs;
46 for (i = 0; i <= ICMP_MAXTYPE; i++)
47 mib->icmpInMsgs += icmpstat.icps_inhist[i];
48 mib->icmpInDestUnreachs = icmpstat.icps_inhist[ICMP_UNREACH];
49 mib->icmpInTimeExcds = icmpstat.icps_inhist[ICMP_TIMXCEED];
50 mib->icmpInParmProbs = icmpstat.icps_inhist[ICMP_PARAMPROB];
51 mib->icmpInSrcQuenchs = icmpstat.icps_inhist[ICMP_SOURCEQUENCH];
52 mib->icmpInRedirects = icmpstat.icps_inhist[ICMP_REDIRECT];
53 mib->icmpInEchos = icmpstat.icps_inhist[ICMP_ECHO];
54 mib->icmpInEchoReps = icmpstat.icps_inhist[ICMP_ECHOREPLY];
55 mib->icmpInTimestamps = icmpstat.icps_inhist[ICMP_TSTAMP];
56 mib->icmpInTimestampReps = icmpstat.icps_inhist[ICMP_TSTAMPREPLY];
57 mib->icmpInAddrMasks = icmpstat.icps_inhist[ICMP_MASKREQ];
58 mib->icmpInAddrMaskReps = icmpstat.icps_inhist[ICMP_MASKREPLY];
59 mib->icmpOutMsgs = icmpstat.icps_oldshort + icmpstat.icps_oldicmp;
60 for (i = 0; i <= ICMP_MAXTYPE; i++)
61 mib->icmpOutMsgs += icmpstat.icps_outhist[i];
62 mib->icmpOutErrors = icmpstat.icps_oldshort + icmpstat.icps_oldicmp;
63 mib->icmpOutDestUnreachs = icmpstat.icps_outhist[ICMP_UNREACH];
64 mib->icmpOutTimeExcds = icmpstat.icps_outhist[ICMP_TIMXCEED];
65 mib->icmpOutParmProbs = icmpstat.icps_outhist[ICMP_PARAMPROB];
66 mib->icmpOutSrcQuenchs = icmpstat.icps_outhist[ICMP_SOURCEQUENCH];
67 mib->icmpOutRedirects = icmpstat.icps_outhist[ICMP_REDIRECT];
68 mib->icmpOutEchos = icmpstat.icps_outhist[ICMP_ECHO];
69 mib->icmpOutEchoReps = icmpstat.icps_outhist[ICMP_ECHOREPLY];
70 mib->icmpOutTimestamps = icmpstat.icps_outhist[ICMP_TSTAMP];
71 mib->icmpOutTimestampReps = icmpstat.icps_outhist[ICMP_TSTAMPREPLY];
72 mib->icmpOutAddrMasks = icmpstat.icps_outhist[ICMP_MASKREQ];
73 mib->icmpOutAddrMaskReps = icmpstat.icps_outhist[ICMP_MASKREPLY];
74
75 return 0;
76 }
77
78
79 int
sysctl_read_icmp6_stat(struct icmp6_mib * mib)80 sysctl_read_icmp6_stat(struct icmp6_mib *mib)
81 {
82 struct icmp6stat icmpstat;
83 size_t size = sizeof(icmpstat);
84 int i;
85 static int sname[4] =
86 { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_STATS };
87
88 (void)memset(mib, 0, sizeof(*mib));
89
90 if (-1 == sysctl(sname, 4, &icmpstat, &size, NULL, 0)) {
91 snmp_perror("sysctl_read_icmp6_stat: net.inet6.icmp6.stats");
92 return -1;
93 }
94
95 mib->icmp6InMsgs = icmpstat.icp6s_badcode
96 + icmpstat.icp6s_tooshort
97 + icmpstat.icp6s_checksum
98 + icmpstat.icp6s_badlen;
99 mib->icmp6InErrors = mib->icmp6InMsgs;
100 for (i = 0; i <= ICMP6_MAXTYPE; i++)
101 mib->icmp6InMsgs += icmpstat.icp6s_inhist[i];
102 mib->icmp6InDestUnreachs = icmpstat.icp6s_inhist[ICMP6_DST_UNREACH];
103 mib->icmp6InPktTooBigs = icmpstat.icp6s_inhist[ICMP6_PACKET_TOO_BIG];
104 mib->icmp6InTimeExcds = icmpstat.icp6s_inhist[ICMP6_TIME_EXCEEDED];
105 mib->icmp6InParmProblems = icmpstat.icp6s_inhist[ICMP6_PARAM_PROB];
106 mib->icmp6InEchos = icmpstat.icp6s_inhist[ICMP6_ECHO_REQUEST];
107 mib->icmp6InEchoReplies = icmpstat.icp6s_inhist[ICMP6_ECHO_REPLY];
108 mib->icmp6InGroupMembQueries = icmpstat.icp6s_inhist[MLD_LISTENER_QUERY];
109 mib->icmp6InGroupMembResponses = icmpstat.icp6s_inhist[MLD_LISTENER_REPORT];
110 mib->icmp6InRouterSolicits = icmpstat.icp6s_inhist[ND_ROUTER_SOLICIT];
111 mib->icmp6InRouterAdvertisements = icmpstat.icp6s_inhist[ND_ROUTER_ADVERT];
112 mib->icmp6InNeighborSolicits = icmpstat.icp6s_inhist[ND_NEIGHBOR_SOLICIT];
113 mib->icmp6InNeighborAdvertisements = icmpstat.icp6s_inhist[ND_NEIGHBOR_ADVERT];
114 mib->icmp6InRedirects = icmpstat.icp6s_inhist[ND_REDIRECT];
115
116 mib->icmp6OutMsgs = icmpstat.icp6s_canterror
117 + icmpstat.icp6s_toofreq;
118 for (i = 0; i <= ICMP6_MAXTYPE; i++)
119 mib->icmp6OutMsgs += icmpstat.icp6s_outhist[i];
120 mib->icmp6OutDestUnreachs = icmpstat.icp6s_outhist[ICMP6_DST_UNREACH];
121 mib->icmp6OutPktTooBigs = icmpstat.icp6s_outhist[ICMP6_PACKET_TOO_BIG];
122 mib->icmp6OutTimeExcds = icmpstat.icp6s_outhist[ICMP6_TIME_EXCEEDED];
123 mib->icmp6OutParmProblems = icmpstat.icp6s_outhist[ICMP6_PARAM_PROB];
124 mib->icmp6OutEchos = icmpstat.icp6s_outhist[ICMP6_ECHO_REQUEST];
125 mib->icmp6OutEchoReplies = icmpstat.icp6s_outhist[ICMP6_ECHO_REPLY];
126 mib->icmp6OutRouterSolicits = icmpstat.icp6s_outhist[ND_ROUTER_SOLICIT];
127 mib->icmp6OutNeighborSolicits = icmpstat.icp6s_outhist[ND_NEIGHBOR_SOLICIT];
128 mib->icmp6OutNeighborAdvertisements = icmpstat.icp6s_outhist[ND_NEIGHBOR_ADVERT];
129 mib->icmp6OutRedirects = icmpstat.icp6s_outhist[ND_REDIRECT];
130 mib->icmp6OutGroupMembResponses = icmpstat.icp6s_outhist[MLD_LISTENER_REPORT];
131 mib->icmp6OutGroupMembReductions = icmpstat.icp6s_outhist[MLD_LISTENER_DONE];
132
133 return 0;
134 }
135
136
137 int
sysctl_read_icmp_msg_stat(struct icmp_mib * mib,struct icmp4_msg_mib * msgmib,int * flag)138 sysctl_read_icmp_msg_stat(struct icmp_mib *mib,
139 struct icmp4_msg_mib *msgmib,
140 int *flag)
141 {
142 sysctl_read_icmp_stat(mib);
143 *flag = 0;
144 return 0;
145 }
146
147
148 int
sysctl_read_icmp6_msg_stat(struct icmp6_mib * mib,struct icmp6_msg_mib * msgmib,int * support)149 sysctl_read_icmp6_msg_stat(struct icmp6_mib *mib,
150 struct icmp6_msg_mib *msgmib,
151 int *support)
152 {
153 struct icmp6stat icmpstat;
154 size_t size = sizeof(icmpstat);
155 int i;
156 static int sname[4] =
157 { CTL_NET, PF_INET6, IPPROTO_ICMPV6, ICMPV6CTL_STATS };
158
159 sysctl_read_icmp6_stat(mib);
160
161 if (-1 == sysctl(sname, 4, &icmpstat, &size, NULL, 0)) {
162 snmp_perror("sysctl_read_icmp6_stat: net.inet6.icmp6.stats");
163 return -1;
164 }
165
166 for (i = 0; i < 256; i++) {
167 msgmib->vals[i].InType = icmpstat.icp6s_inhist[i];
168 msgmib->vals[i].OutType = icmpstat.icp6s_outhist[i];
169 }
170 *support = 1;
171 return 0;
172 }
173
174
175 #endif
176