]> andersk Git - gssapi-openssh.git/blame - openssh/openbsd-compat/bsd-misc.c
Import of OpenSSH 4.3p1
[gssapi-openssh.git] / openssh / openbsd-compat / bsd-misc.c
CommitLineData
c9f39d2c 1
3c0ef626 2/*
cdd66111 3 * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
3c0ef626 4 *
cdd66111 5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
3c0ef626 8 *
cdd66111 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
3c0ef626 16 */
17
18#include "includes.h"
6a9b3198 19#include "xmalloc.h"
3c0ef626 20
21RCSID("$Id$");
22
c9f39d2c 23#ifndef HAVE___PROGNAME
24char *__progname;
25#endif
26
6a9b3198 27/*
28 * NB. duplicate __progname in case it is an alias for argv[0]
29 * Otherwise it may get clobbered by setproctitle()
30 */
0fff78ff 31char *ssh_get_progname(char *argv0)
3c0ef626 32{
33#ifdef HAVE___PROGNAME
34 extern char *__progname;
35
6a9b3198 36 return xstrdup(__progname);
3c0ef626 37#else
38 char *p;
39
40 if (argv0 == NULL)
0fff78ff 41 return ("unknown"); /* XXX */
3c0ef626 42 p = strrchr(argv0, '/');
43 if (p == NULL)
44 p = argv0;
45 else
46 p++;
6a9b3198 47
0fff78ff 48 return (xstrdup(p));
3c0ef626 49#endif
50}
51
52#ifndef HAVE_SETLOGIN
53int setlogin(const char *name)
54{
0fff78ff 55 return (0);
3c0ef626 56}
57#endif /* !HAVE_SETLOGIN */
58
59#ifndef HAVE_INNETGR
60int innetgr(const char *netgroup, const char *host,
61 const char *user, const char *domain)
62{
0fff78ff 63 return (0);
3c0ef626 64}
65#endif /* HAVE_INNETGR */
66
67#if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
68int seteuid(uid_t euid)
69{
0fff78ff 70 return (setreuid(-1, euid));
3c0ef626 71}
72#endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
73
74#if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID)
75int setegid(uid_t egid)
76{
0fff78ff 77 return(setresgid(-1, egid, -1));
3c0ef626 78}
79#endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */
80
81#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
82const char *strerror(int e)
83{
84 extern int sys_nerr;
85 extern char *sys_errlist[];
86
87 if ((e >= 0) && (e < sys_nerr))
0fff78ff 88 return (sys_errlist[e]);
89
90 return ("unlisted error");
3c0ef626 91}
92#endif
93
94#ifndef HAVE_UTIMES
95int utimes(char *filename, struct timeval *tvp)
96{
97 struct utimbuf ub;
98
41b2f314 99 ub.actime = tvp[0].tv_sec;
100 ub.modtime = tvp[1].tv_sec;
3c0ef626 101
0fff78ff 102 return (utime(filename, &ub));
3c0ef626 103}
104#endif
700318f3 105
106#ifndef HAVE_TRUNCATE
0fff78ff 107int truncate(const char *path, off_t length)
700318f3 108{
109 int fd, ret, saverrno;
110
111 fd = open(path, O_WRONLY);
112 if (fd < 0)
0fff78ff 113 return (-1);
700318f3 114
115 ret = ftruncate(fd, length);
116 saverrno = errno;
0fff78ff 117 close(fd);
700318f3 118 if (ret == -1)
119 errno = saverrno;
0fff78ff 120
700318f3 121 return(ret);
122}
123#endif /* HAVE_TRUNCATE */
124
6a9b3198 125#if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
126int nanosleep(const struct timespec *req, struct timespec *rem)
127{
128 int rc, saverrno;
129 extern int errno;
130 struct timeval tstart, tstop, tremain, time2wait;
131
132 TIMESPEC_TO_TIMEVAL(&time2wait, req)
133 (void) gettimeofday(&tstart, NULL);
134 rc = select(0, NULL, NULL, NULL, &time2wait);
135 if (rc == -1) {
136 saverrno = errno;
137 (void) gettimeofday (&tstop, NULL);
138 errno = saverrno;
139 tremain.tv_sec = time2wait.tv_sec -
140 (tstop.tv_sec - tstart.tv_sec);
141 tremain.tv_usec = time2wait.tv_usec -
142 (tstop.tv_usec - tstart.tv_usec);
143 tremain.tv_sec += tremain.tv_usec / 1000000L;
144 tremain.tv_usec %= 1000000L;
145 } else {
146 tremain.tv_sec = 0;
147 tremain.tv_usec = 0;
148 }
149 TIMEVAL_TO_TIMESPEC(&tremain, rem)
150
151 return(rc);
152}
6a9b3198 153#endif
154
0fff78ff 155#ifndef HAVE_TCGETPGRP
156pid_t
157tcgetpgrp(int fd)
158{
159 int ctty_pgrp;
160
161 if (ioctl(fd, TIOCGPGRP, &ctty_pgrp) == -1)
162 return(-1);
163 else
164 return(ctty_pgrp);
165}
166#endif /* HAVE_TCGETPGRP */
167
168#ifndef HAVE_TCSENDBREAK
169int
170tcsendbreak(int fd, int duration)
171{
172# if defined(TIOCSBRK) && defined(TIOCCBRK)
173 struct timeval sleepytime;
174
175 sleepytime.tv_sec = 0;
176 sleepytime.tv_usec = 400000;
177 if (ioctl(fd, TIOCSBRK, 0) == -1)
178 return (-1);
179 (void)select(0, 0, 0, 0, &sleepytime);
180 if (ioctl(fd, TIOCCBRK, 0) == -1)
181 return (-1);
182 return (0);
183# else
184 return -1;
185# endif
186}
187#endif /* HAVE_TCSENDBREAK */
188
189mysig_t
190mysignal(int sig, mysig_t act)
191{
192#ifdef HAVE_SIGACTION
193 struct sigaction sa, osa;
194
195 if (sigaction(sig, NULL, &osa) == -1)
196 return (mysig_t) -1;
197 if (osa.sa_handler != act) {
198 memset(&sa, 0, sizeof(sa));
199 sigemptyset(&sa.sa_mask);
200 sa.sa_flags = 0;
201#ifdef SA_INTERRUPT
202 if (sig == SIGALRM)
203 sa.sa_flags |= SA_INTERRUPT;
204#endif
205 sa.sa_handler = act;
206 if (sigaction(sig, &sa, NULL) == -1)
207 return (mysig_t) -1;
208 }
209 return (osa.sa_handler);
210#else
cdd66111 211 #undef signal
0fff78ff 212 return (signal(sig, act));
213#endif
214}
665a873d 215
216#ifndef HAVE_STRDUP
217char *
218strdup(const char *str)
219{
220 size_t len;
221 char *cp;
222
223 len = strlen(str) + 1;
224 cp = malloc(len);
225 if (cp != NULL)
2c06c99b 226 return(memcpy(cp, str, len));
227 return NULL;
665a873d 228}
229#endif
This page took 0.081815 seconds and 5 git commands to generate.