File: | src/usr.sbin/mopd/mopchk/mopchk.c |
Warning: | line 133, column 16 Although the value stored to 'error' is used in the enclosing expression, the value is never actually read from 'error' |
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1 | /* $OpenBSD: mopchk.c,v 1.19 2021/10/24 21:24:19 deraadt Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1995-96 Mats O Jansson. All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | */ |
26 | |
27 | /* |
28 | * mopchk - MOP Check Utility |
29 | * |
30 | * Usage: mopchk [-av] [file ...] |
31 | */ |
32 | |
33 | #include "os.h" |
34 | #include "common/common.h" |
35 | #include "common/mopdef.h" |
36 | #include "common/device.h" |
37 | #include "common/pf.h" |
38 | #include "common/file.h" |
39 | |
40 | /* |
41 | * The list of all interfaces that are being listened to. |
42 | */ |
43 | struct if_info *iflist; |
44 | |
45 | void Usage(void); |
46 | void mopProcess(struct if_info *, u_char *); |
47 | |
48 | int AllFlag = 0; /* listen on "all" interfaces */ |
49 | int VersionFlag = 0; /* Show version */ |
50 | int promisc = 0; /* promisc mode not needed */ |
51 | extern char *__progname; |
52 | extern char version[]; |
53 | |
54 | int |
55 | main(argc, argv) |
56 | int argc; |
57 | char **argv; |
58 | { |
59 | struct dllist dl; |
60 | int op, i; |
61 | char *filename, *p; |
62 | struct if_info *ii; |
63 | int error; |
64 | |
65 | /* All error reporting is done through syslogs. */ |
66 | openlog(__progname, LOG_PID0x01 | LOG_CONS0x02, LOG_DAEMON(3<<3)); |
67 | |
68 | opterr = 0; |
69 | while ((op = getopt(argc, argv, "av")) != -1) { |
70 | switch (op) { |
71 | case 'a': |
72 | AllFlag = 1; |
73 | break; |
74 | case 'v': |
75 | VersionFlag = 1; |
76 | break; |
77 | default: |
78 | Usage(); |
79 | /* NOTREACHED */ |
80 | } |
81 | } |
82 | |
83 | if (VersionFlag) |
84 | printf("%s: Version %s\n", __progname, version); |
85 | |
86 | if (AllFlag) { |
87 | if (VersionFlag) |
88 | printf("\n"); |
89 | iflist = NULL((void *)0); |
90 | deviceInitAll(); |
91 | if (iflist == NULL((void *)0)) { |
92 | printf("No interface\n"); |
93 | } else { |
94 | printf("Interface Address\n"); |
95 | p = NULL((void *)0); |
96 | for (ii = iflist; ii; ii = ii->next) { |
97 | if (p != NULL((void *)0)) { |
98 | if (strcmp(p,ii->if_name) == 0) |
99 | continue; |
100 | } |
101 | printf("%-9s %x:%x:%x:%x:%x:%x\n", |
102 | ii->if_name, |
103 | ii->eaddr[0],ii->eaddr[1],ii->eaddr[2], |
104 | ii->eaddr[3],ii->eaddr[4],ii->eaddr[5]); |
105 | p = ii->if_name; |
106 | } |
107 | } |
108 | } |
109 | |
110 | if (VersionFlag || AllFlag) |
111 | i = 1; |
112 | else |
113 | i = 0; |
114 | |
115 | while (argc > optind) { |
116 | if (i) printf("\n"); |
117 | i++; |
118 | filename = argv[optind++]; |
119 | printf("Checking: %s\n",filename); |
120 | dl.ldfd = open(filename, O_RDONLY0x0000); |
121 | if (dl.ldfd == -1) { |
122 | printf("Unknown file.\n"); |
123 | } else { |
124 | if ((error = CheckElfFile(dl.ldfd)) == 0) { |
125 | if (GetElf32FileInfo(&dl, INFO_PRINT1) < 0 && |
126 | GetElf64FileInfo(&dl, INFO_PRINT1) < 0) { |
127 | printf("Some failure in GetElfXXFileInfo\n"); |
128 | } |
129 | } else if ((error = CheckAOutFile(dl.ldfd)) == 0) { |
130 | if (GetAOutFileInfo(&dl, INFO_PRINT1) < 0) { |
131 | printf("Some failure in GetAOutFileInfo\n"); |
132 | } |
133 | } else if ((error = CheckMopFile(dl.ldfd)) == 0) { |
Although the value stored to 'error' is used in the enclosing expression, the value is never actually read from 'error' | |
134 | if (GetMopFileInfo(&dl, INFO_PRINT1) < 0) { |
135 | printf("Some failure in GetMopFileInfo\n"); |
136 | } |
137 | }; |
138 | } |
139 | (void)close(dl.ldfd); |
140 | } |
141 | return 0; |
142 | } |
143 | |
144 | void |
145 | Usage() |
146 | { |
147 | fprintf(stderr(&__sF[2]), "usage: %s [-av] [file ...]\n", __progname); |
148 | exit(1); |
149 | } |
150 | |
151 | /* |
152 | * Process incoming packages, NOT. |
153 | */ |
154 | /* ARGSUSED */ |
155 | void |
156 | mopProcess(ii, pkt) |
157 | struct if_info *ii; |
158 | u_char *pkt; |
159 | { |
160 | } |
161 |