File: | src/games/sail/main.c |
Warning: | line 51, column 2 The return value from the call to 'setegid' is not checked. If an error occurs in 'setegid', the following code may execute with unexpected privileges |
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1 | /* $OpenBSD: main.c,v 1.11 2016/01/08 20:26:33 mestre Exp $ */ |
2 | /* $NetBSD: main.c,v 1.3 1995/04/22 10:37:01 cgd Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 1983, 1993 |
6 | * The Regents of the University of California. All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the University nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | */ |
32 | |
33 | #include <err.h> |
34 | #include <fcntl.h> |
35 | #include <stdlib.h> |
36 | #include <string.h> |
37 | #include <unistd.h> |
38 | |
39 | #include "extern.h" |
40 | |
41 | int |
42 | main(int argc, char **argv) |
43 | { |
44 | extern char *__progname; |
45 | char *p; |
46 | int i; |
47 | int fd; |
48 | |
49 | gid = getgid(); |
50 | egid = getegid(); |
51 | setegid(gid); |
The return value from the call to 'setegid' is not checked. If an error occurs in 'setegid', the following code may execute with unexpected privileges | |
52 | |
53 | fd = open("/dev/null", O_RDONLY0x0000); |
54 | if (fd < 3) |
55 | return 1; |
56 | close(fd); |
57 | |
58 | p = __progname; |
59 | if (strcmp(p, "driver") == 0 || strcmp(p, "saildriver") == 0) |
60 | mode = MODE_DRIVER2; |
61 | else if (strcmp(p, "sail.log") == 0) |
62 | mode = MODE_LOGGER3; |
63 | else |
64 | mode = MODE_PLAYER1; |
65 | while ((p = *++argv) && *p == '-') |
66 | switch (p[1]) { |
67 | case 'd': |
68 | mode = MODE_DRIVER2; |
69 | break; |
70 | case 's': |
71 | mode = MODE_LOGGER3; |
72 | break; |
73 | case 'D': |
74 | debug++; |
75 | break; |
76 | case 'x': |
77 | randomize++; |
78 | break; |
79 | case 'l': |
80 | longfmt++; |
81 | break; |
82 | case 'b': |
83 | nobells++; |
84 | break; |
85 | default: |
86 | errx(1, "unknown flag %s", p); |
87 | } |
88 | if (*argv) |
89 | game = atoi(*argv); |
90 | else |
91 | game = -1; |
92 | if ((i = setjmp(restart))) |
93 | mode = i; |
94 | switch (mode) { |
95 | case MODE_PLAYER1: |
96 | pl_main(); |
97 | case MODE_DRIVER2: |
98 | return dr_main(); |
99 | case MODE_LOGGER3: |
100 | return lo_main(); |
101 | default: |
102 | warnx("Unknown mode %d", mode); |
103 | abort(); |
104 | } |
105 | } |