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8efc0c15 | 1 | /* |
bfc9a610 | 2 | * Copyright (c) 1999-2000 Damien Miller. All rights reserved. |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * 1. Redistributions of source code must retain the above copyright | |
8 | * notice, this list of conditions and the following disclaimer. | |
9 | * 2. Redistributions in binary form must reproduce the above copyright | |
10 | * notice, this list of conditions and the following disclaimer in the | |
11 | * documentation and/or other materials provided with the distribution. | |
bfc9a610 | 12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
16 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
19 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
20 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
23 | */ | |
8efc0c15 | 24 | |
416ed5a7 | 25 | #include "includes.h" |
d0104542 | 26 | #include "xmalloc.h" |
8efc0c15 | 27 | |
0b202697 | 28 | RCSID("$Id$"); |
29 | ||
d0104542 | 30 | /* |
31 | * NB. duplicate __progname in case it is an alias for argv[0] | |
32 | * Otherwise it may get clobbered by setproctitle() | |
33 | */ | |
260d427b | 34 | char *get_progname(char *argv0) |
35 | { | |
36 | #ifdef HAVE___PROGNAME | |
37 | extern char *__progname; | |
38 | ||
d0104542 | 39 | return xstrdup(__progname); |
260d427b | 40 | #else |
41 | char *p; | |
42 | ||
43 | if (argv0 == NULL) | |
44 | return "unknown"; /* XXX */ | |
45 | p = strrchr(argv0, '/'); | |
46 | if (p == NULL) | |
47 | p = argv0; | |
48 | else | |
49 | p++; | |
d0104542 | 50 | |
51 | return xstrdup(p); | |
260d427b | 52 | #endif |
53 | } | |
54 | ||
a5c9cd31 | 55 | #ifndef HAVE_SETLOGIN |
56 | int setlogin(const char *name) | |
57 | { | |
58 | return(0); | |
59 | } | |
60 | #endif /* !HAVE_SETLOGIN */ | |
61 | ||
62 | #ifndef HAVE_INNETGR | |
63 | int innetgr(const char *netgroup, const char *host, | |
64 | const char *user, const char *domain) | |
65 | { | |
66 | return(0); | |
67 | } | |
68 | #endif /* HAVE_INNETGR */ | |
69 | ||
70 | #if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) | |
71 | int seteuid(uid_t euid) | |
72 | { | |
73 | return(setreuid(-1,euid)); | |
74 | } | |
75 | #endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */ | |
819b676f | 76 | |
febd3f8e | 77 | #if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) |
78 | int setegid(uid_t egid) | |
79 | { | |
80 | return(setresgid(-1,egid,-1)); | |
81 | } | |
82 | #endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */ | |
83 | ||
416ed5a7 | 84 | #if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR) |
85 | const char *strerror(int e) | |
819b676f | 86 | { |
416ed5a7 | 87 | extern int sys_nerr; |
88 | extern char *sys_errlist[]; | |
89 | ||
e2bccbcd | 90 | if ((e >= 0) && (e < sys_nerr)) |
416ed5a7 | 91 | return(sys_errlist[e]); |
e2bccbcd | 92 | else |
93 | return("unlisted error"); | |
819b676f | 94 | } |
416ed5a7 | 95 | #endif |
89c7e31c | 96 | |
97 | #ifndef HAVE_UTIMES | |
98 | int utimes(char *filename, struct timeval *tvp) | |
99 | { | |
100 | struct utimbuf ub; | |
101 | ||
6c266dc3 | 102 | ub.actime = tvp[0].tv_sec; |
103 | ub.modtime = tvp[1].tv_sec; | |
89c7e31c | 104 | |
105 | return(utime(filename, &ub)); | |
106 | } | |
107 | #endif | |
f25cd32c | 108 | |
109 | #ifndef HAVE_TRUNCATE | |
110 | int truncate (const char *path, off_t length) | |
111 | { | |
112 | int fd, ret, saverrno; | |
113 | ||
114 | fd = open(path, O_WRONLY); | |
115 | if (fd < 0) | |
116 | return -1; | |
117 | ||
118 | ret = ftruncate(fd, length); | |
119 | saverrno = errno; | |
120 | (void) close (fd); | |
121 | if (ret == -1) | |
122 | errno = saverrno; | |
123 | return(ret); | |
124 | } | |
125 | #endif /* HAVE_TRUNCATE */ | |
126 | ||
246446cd | 127 | #if !defined(HAVE_SETGROUPS) && defined(SETGROUPS_NOOP) |
128 | /* | |
129 | * Cygwin setgroups should be a noop. | |
130 | */ | |
131 | int | |
f2d02e44 | 132 | setgroups(size_t size, const gid_t *list) |
246446cd | 133 | { |
134 | return 0; | |
135 | } | |
136 | #endif | |
137 |