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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1986 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)ns_stats.c 4.10 (Berkeley) 6/27/90"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | /**************************************************************************/ | |
39 | /* simple monitoring of named behavior */ | |
40 | /* dumps a bunch of values into a well-know file */ | |
41 | /* */ | |
42 | /**************************************************************************/ | |
43 | ||
44 | #ifdef STATS | |
45 | ||
46 | #include <sys/param.h> | |
47 | #include <sys/time.h> | |
48 | #include <netinet/in.h> | |
49 | #include <stdio.h> | |
50 | #include <syslog.h> | |
51 | #include <arpa/nameser.h> | |
52 | #include "ns.h" | |
53 | #include "pathnames.h" | |
54 | ||
55 | #ifdef STATSFILE | |
56 | char *statsfile = STATSFILE; | |
57 | #else | |
58 | char *statsfile = _PATH_STATS; | |
59 | #endif /* STATSFILE */ | |
60 | ||
61 | extern time_t boottime, resettime; | |
62 | extern int needStatsDump; | |
63 | ||
64 | /* | |
65 | * General statistics gathered | |
66 | */ | |
67 | /* The position in this table must agree with the defines in ns.h */ | |
68 | struct stats stats[S_NSTATS] = { | |
69 | { 0, "input packets" }, | |
70 | { 0, "output packets" }, | |
71 | { 0, "queries" }, | |
72 | { 0, "iqueries" }, | |
73 | { 0, "duplicate queries" }, | |
74 | { 0, "responses" }, | |
75 | { 0, "duplicate responses" }, | |
76 | { 0, "OK answers" }, | |
77 | { 0, "FAIL answers" }, | |
78 | { 0, "FORMERR answers" }, | |
79 | { 0, "system queries" }, | |
80 | { 0, "prime cache calls" }, | |
81 | { 0, "check_ns calls" }, | |
82 | { 0, "bad responses dropped" }, | |
83 | { 0, "martian responses" }, | |
84 | }; | |
85 | ||
86 | /* | |
87 | * Statistics for queries (by type) | |
88 | */ | |
89 | unsigned long typestats[T_ANY+1]; | |
90 | char *typenames[T_ANY+1] = { | |
91 | /* 5 types per line */ | |
92 | "Unknown", "A", "NS", "invalid(MD)", "invalid(MF)", | |
93 | "CNAME", "SOA", "MB", "MG", "MR", | |
94 | "NULL", "WKS", "PTR", "HINFO", "MINFO", | |
95 | "MX", "TXT", 0, 0, 0, | |
96 | /* 20 per line */ | |
97 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
98 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
99 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
100 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
101 | /* 100 */ | |
102 | "UINFO", "UID", "GID", "UNSPEC", 0, 0, 0, 0, 0, 0, | |
103 | /* 110 */ | |
104 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
105 | /* 120 */ | |
106 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
107 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
108 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
109 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
110 | /* 200 */ | |
111 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
112 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
113 | /* 240 */ | |
114 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
115 | /* 250 */ | |
116 | 0, 0, "AXFR", "MAILB", "MAILA", "ANY" | |
117 | }; | |
118 | ||
119 | ns_stats() | |
120 | { | |
121 | time_t timenow; | |
122 | register FILE *f; | |
123 | register int i; | |
124 | ||
125 | if ((f = fopen(statsfile,"a")) == 0) | |
126 | { | |
127 | #ifdef DEBUG | |
128 | if (debug) | |
129 | fprintf(ddt,"can't open stat file, \"%s\"\n",statsfile); | |
130 | #endif | |
131 | syslog(LOG_ERR, "cannot open stat file, \"%s\"\n",statsfile); | |
132 | return; | |
133 | } | |
134 | ||
135 | time(&timenow); | |
136 | fprintf(f, "### %s", ctime(&timenow)); | |
137 | fprintf(f, "%d\ttime since boot (secs)\n", timenow - boottime); | |
138 | fprintf(f, "%d\ttime since reset (secs)\n", timenow - resettime); | |
139 | ||
140 | /* general statistics */ | |
141 | for (i = 0; i < S_NSTATS; i++) | |
142 | fprintf(f,"%lu\t%s\n", stats[i].cnt, stats[i].description); | |
143 | ||
144 | /* query type statistics */ | |
145 | fprintf(f, "%d\tUnknown query types\n", typestats[0]); | |
146 | for(i=1; i < T_ANY+1; i++) | |
147 | if (typestats[i]) | |
148 | if (typenames[i]) | |
149 | fprintf(f, "%lu\t%s queries\n", typestats[i], | |
150 | typenames[i]); | |
151 | else | |
152 | fprintf(f, "%lu\ttype %d queries\n", | |
153 | typestats[i], i); | |
154 | (void) fclose(f); | |
155 | } | |
156 | #endif STATS |