1 |
dnl this file is part of libptytty, do not make local modifications |
2 |
dnl http://software.schmorp.de/pkg/libptytty |
3 |
|
4 |
AC_DEFUN([PTY_CHECK], |
5 |
[ |
6 |
AC_CHECK_HEADERS( \ |
7 |
pty.h \ |
8 |
util.h \ |
9 |
libutil.h \ |
10 |
sys/ioctl.h \ |
11 |
sys/stropts.h \ |
12 |
stropts.h \ |
13 |
) |
14 |
|
15 |
AC_CHECK_FUNCS( \ |
16 |
revoke \ |
17 |
_getpty \ |
18 |
getpt \ |
19 |
posix_openpt \ |
20 |
isastream \ |
21 |
setuid \ |
22 |
seteuid \ |
23 |
setreuid \ |
24 |
setresuid \ |
25 |
) |
26 |
|
27 |
have_clone=no |
28 |
|
29 |
AC_MSG_CHECKING(for /dev/ptc) |
30 |
if test -e /dev/ptc; then |
31 |
AC_MSG_RESULT(yes) |
32 |
AC_DEFINE(CLONE_DEVICE, "/dev/ptc", [clone device filename]) |
33 |
have_clone=yes |
34 |
else |
35 |
AC_MSG_RESULT(no) |
36 |
fi |
37 |
|
38 |
case $host in |
39 |
*-*-cygwin*) |
40 |
have_clone=yes |
41 |
AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename]) |
42 |
;; |
43 |
*) |
44 |
AC_MSG_CHECKING(for /dev/ptmx) |
45 |
if test -e /dev/ptmx; then |
46 |
AC_MSG_RESULT(yes) |
47 |
AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if you have /dev/ptmx]) |
48 |
AC_DEFINE(CLONE_DEVICE, "/dev/ptmx", [clone device filename]) |
49 |
have_clone=yes |
50 |
else |
51 |
AC_MSG_RESULT(no) |
52 |
fi |
53 |
;; |
54 |
esac |
55 |
|
56 |
if test x$ac_cv_func_getpt = xyes -o x$ac_cv_func_posix_openpt = xyes -o x$have_clone = xyes; then |
57 |
AC_MSG_CHECKING(for UNIX98 ptys) |
58 |
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>]], |
59 |
[[grantpt(0);unlockpt(0);ptsname(0);]])], |
60 |
[unix98_pty=yes |
61 |
AC_DEFINE(UNIX98_PTY, 1, "") |
62 |
AC_MSG_RESULT(yes)], |
63 |
[AC_MSG_RESULT(no)]) |
64 |
fi |
65 |
|
66 |
if test -z "$unix98_pty"; then |
67 |
AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, "")) |
68 |
fi |
69 |
]) |
70 |
|
71 |
AC_DEFUN([UTMP_CHECK], |
72 |
[ |
73 |
support_utmp=yes |
74 |
support_wtmp=yes |
75 |
support_lastlog=yes |
76 |
|
77 |
AC_ARG_ENABLE(utmp, |
78 |
[AS_HELP_STRING([--enable-utmp],[enable utmp (utmpx) support])], |
79 |
[if test x$enableval = xyes -o x$enableval = xno; then |
80 |
support_utmp=$enableval |
81 |
fi]) |
82 |
|
83 |
AC_ARG_ENABLE(wtmp, |
84 |
[AS_HELP_STRING([--enable-wtmp],[enable wtmp (wtmpx) support (requires --enable-utmp)])], |
85 |
[if test x$enableval = xyes -o x$enableval = xno; then |
86 |
support_wtmp=$enableval |
87 |
fi]) |
88 |
|
89 |
AC_ARG_ENABLE(lastlog, |
90 |
[AS_HELP_STRING([--enable-lastlog],[enable lastlog support (requires --enable-utmp)])], |
91 |
[if test x$enableval = xyes -o x$enableval = xno; then |
92 |
support_lastlog=$enableval |
93 |
fi]) |
94 |
|
95 |
if test x$support_utmp = xyes; then |
96 |
AC_DEFINE(UTMP_SUPPORT, 1, Define if you want to have utmp/utmpx support) |
97 |
fi |
98 |
if test x$support_wtmp = xyes; then |
99 |
AC_DEFINE(WTMP_SUPPORT, 1, Define if you want to have wtmp support when utmp/utmpx is enabled) |
100 |
fi |
101 |
if test x$support_lastlog = xyes; then |
102 |
AC_DEFINE(LASTLOG_SUPPORT, 1, Define if you want to have lastlog support when utmp/utmpx is enabled) |
103 |
fi |
104 |
|
105 |
AC_CHECK_FUNCS( \ |
106 |
updwtmp \ |
107 |
updwtmpx \ |
108 |
updlastlogx \ |
109 |
) |
110 |
|
111 |
AC_CHECK_HEADERS(lastlog.h) |
112 |
|
113 |
dnl# -------------------------------------------------------------------------- |
114 |
dnl# DO ALL UTMP AND WTMP CHECKING |
115 |
dnl# -------------------------------------------------------------------------- |
116 |
dnl# check for host field in utmp structure |
117 |
|
118 |
dnl# -------------------------------------------- |
119 |
AC_CHECK_HEADERS(utmp.h, |
120 |
[AC_CACHE_CHECK([for struct utmp], pt_cv_struct_utmp, |
121 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
122 |
#include <utmp.h>]], [[struct utmp ut;]])],[pt_cv_struct_utmp=yes],[pt_cv_struct_utmp=no])]) |
123 |
if test x$pt_cv_struct_utmp = xyes; then |
124 |
AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp) |
125 |
fi |
126 |
] |
127 |
|
128 |
AC_CACHE_CHECK(for ut_host in utmp struct, pt_cv_struct_utmp_host, |
129 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
130 |
#include <utmp.h>]], [[struct utmp ut; ut.ut_host;]])],[pt_cv_struct_utmp_host=yes],[pt_cv_struct_utmp_host=no])]) |
131 |
if test x$pt_cv_struct_utmp_host = xyes; then |
132 |
AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host) |
133 |
fi |
134 |
|
135 |
AC_CACHE_CHECK(for ut_pid in utmp struct, pt_cv_struct_utmp_pid, |
136 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
137 |
#include <utmp.h>]], [[struct utmp ut; ut.ut_pid;]])],[pt_cv_struct_utmp_pid=yes],[pt_cv_struct_utmp_pid=no])]) |
138 |
if test x$pt_cv_struct_utmp_pid = xyes; then |
139 |
AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid) |
140 |
fi |
141 |
) dnl# AC_CHECK_HEADERS(utmp.h |
142 |
|
143 |
dnl# -------------------------------------------- |
144 |
|
145 |
AC_CHECK_HEADERS(utmpx.h, |
146 |
[AC_CACHE_CHECK([for struct utmpx], pt_cv_struct_utmpx, |
147 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
148 |
#include <utmpx.h>]], [[struct utmpx ut;]])],[pt_cv_struct_utmpx=yes],[pt_cv_struct_utmpx=no])]) |
149 |
if test x$pt_cv_struct_utmpx = xyes; then |
150 |
AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx) |
151 |
fi |
152 |
] |
153 |
|
154 |
AC_CACHE_CHECK(for host in utmpx struct, pt_cv_struct_utmpx_host, |
155 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
156 |
#include <utmpx.h>]], [[struct utmpx utx; utx.ut_host;]])],[pt_cv_struct_utmpx_host=yes],[pt_cv_struct_utmpx_host=no])]) |
157 |
if test x$pt_cv_struct_utmpx_host = xyes; then |
158 |
AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host) |
159 |
fi |
160 |
|
161 |
AC_CACHE_CHECK(for session in utmpx struct, pt_cv_struct_utmpx_session, |
162 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
163 |
#include <utmpx.h>]], [[struct utmpx utx; utx.ut_session;]])],[pt_cv_struct_utmpx_session=yes],[pt_cv_struct_utmpx_session=no])]) |
164 |
if test x$pt_cv_struct_utmpx_session = xyes; then |
165 |
AC_DEFINE(HAVE_UTMPX_SESSION, 1, Define if struct utmpx contains ut_session) |
166 |
fi |
167 |
) dnl# AC_CHECK_HEADERS(utmpx.h |
168 |
|
169 |
dnl# -------------------------------------------------------------------------- |
170 |
dnl# check for struct lastlog |
171 |
AC_CACHE_CHECK(for struct lastlog, pt_cv_struct_lastlog, |
172 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
173 |
#include <utmp.h> |
174 |
#ifdef HAVE_LASTLOG_H |
175 |
#include <lastlog.h> |
176 |
#endif |
177 |
]], [[struct lastlog ll;]])],[pt_cv_struct_lastlog=yes],[pt_cv_struct_lastlog=no])]) |
178 |
if test x$pt_cv_struct_lastlog = xyes; then |
179 |
AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog) |
180 |
fi |
181 |
|
182 |
dnl# check for struct lastlogx |
183 |
AC_CACHE_CHECK(for struct lastlogx, pt_cv_struct_lastlogx, |
184 |
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> |
185 |
#include <utmpx.h> |
186 |
#ifdef HAVE_LASTLOG_H |
187 |
#include <lastlog.h> |
188 |
#endif |
189 |
]], [[struct lastlogx ll;]])],[pt_cv_struct_lastlogx=yes],[pt_cv_struct_lastlogx=no])]) |
190 |
if test x$pt_cv_struct_lastlogx = xyes; then |
191 |
AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx) |
192 |
fi |
193 |
|
194 |
dnl# -------------------------------------------------------------------------- |
195 |
dnl# FIND FILES |
196 |
dnl# -------------------------------------------------------------------------- |
197 |
|
198 |
dnl# find utmp |
199 |
AC_CACHE_CHECK(where utmp is located, pt_cv_path_utmp, |
200 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
201 |
#include <stdlib.h> |
202 |
#include <sys/types.h> |
203 |
#include <utmp.h> |
204 |
#include <errno.h> |
205 |
int main() |
206 |
{ |
207 |
char **u, *utmplist[] = { |
208 |
"/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL }; |
209 |
FILE *a, *f=fopen("conftestval", "w"); |
210 |
if (!f) exit(1); |
211 |
#ifdef UTMP_FILE |
212 |
fprintf(f, "%s\n", UTMP_FILE); |
213 |
exit(0); |
214 |
#endif |
215 |
#ifdef _PATH_UTMP |
216 |
fprintf(f, "%s\n", _PATH_UTMP); |
217 |
exit(0); |
218 |
#endif |
219 |
for (u = utmplist; *u; u++) { |
220 |
if ((a = fopen(*u, "r")) != NULL || errno == EACCES) { |
221 |
fprintf(f, "%s\n", *u); |
222 |
exit(0); |
223 |
} |
224 |
} |
225 |
exit(0); |
226 |
}]])],[pt_cv_path_utmp=`cat conftestval`],[pt_cv_path_utmp=],[dnl |
227 |
AC_MSG_WARN(Define UTMP_FILE in config.h manually)])]) |
228 |
if test x$pt_cv_path_utmp != x; then |
229 |
AC_DEFINE_UNQUOTED(UTMP_FILE, "$pt_cv_path_utmp", Define location of utmp) |
230 |
fi |
231 |
|
232 |
dnl# -------------------------------------------------------------------------- |
233 |
|
234 |
dnl# find wtmp |
235 |
AC_CACHE_CHECK(where wtmp is located, pt_cv_path_wtmp, |
236 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
237 |
#include <stdlib.h> |
238 |
#include <sys/types.h> |
239 |
#ifdef HAVE_UTMP_H |
240 |
#include <utmp.h> |
241 |
#endif |
242 |
#include <errno.h> |
243 |
int main() |
244 |
{ |
245 |
char **w, *wtmplist[] = { |
246 |
"/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL }; |
247 |
FILE *a, *f=fopen("conftestval", "w"); |
248 |
if (!f) exit(1); |
249 |
#ifdef WTMP_FILE |
250 |
fprintf(f, "%s\n", WTMP_FILE); |
251 |
exit(0); |
252 |
#endif |
253 |
#ifdef _PATH_WTMP |
254 |
fprintf(f, "%s\n", _PATH_WTMP); |
255 |
exit(0); |
256 |
#endif |
257 |
for (w = wtmplist; *w; w++) { |
258 |
if ((a = fopen(*w, "r")) != NULL || errno == EACCES) { |
259 |
fprintf(f, "%s\n", *w); |
260 |
exit(0); |
261 |
} |
262 |
} |
263 |
exit(0); |
264 |
}]])],[pt_cv_path_wtmp=`cat conftestval`],[pt_cv_path_wtmp=],[dnl |
265 |
AC_MSG_WARN(Define WTMP_FILE in config.h manually)])]) |
266 |
if test x$pt_cv_path_wtmp != x; then |
267 |
AC_DEFINE_UNQUOTED(WTMP_FILE, "$pt_cv_path_wtmp", Define location of wtmp) |
268 |
fi |
269 |
dnl# -------------------------------------------------------------------------- |
270 |
|
271 |
dnl# find wtmpx |
272 |
AC_CACHE_CHECK(where wtmpx is located, pt_cv_path_wtmpx, |
273 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
274 |
#include <stdlib.h> |
275 |
#ifdef HAVE_UTMPX_H |
276 |
#include <utmpx.h> |
277 |
#endif |
278 |
#include <errno.h> |
279 |
int main() |
280 |
{ |
281 |
char **w, *wtmplist[] = { |
282 |
"/var/log/wtmpx", "/var/adm/wtmpx", NULL }; |
283 |
FILE *a, *f=fopen("conftestval", "w"); |
284 |
if (!f) exit(1); |
285 |
#ifdef WTMPX_FILE |
286 |
fprintf(f, "%s\n", WTMPX_FILE); |
287 |
exit(0); |
288 |
#endif |
289 |
#ifdef _PATH_WTMPX |
290 |
fprintf(f, "%s\n", _PATH_WTMPX); |
291 |
exit(0); |
292 |
#endif |
293 |
for (w = wtmplist; *w; w++) { |
294 |
if ((a = fopen(*w, "r")) != NULL || errno == EACCES) { |
295 |
fprintf(f, "%s\n", *w); |
296 |
exit(0); |
297 |
} |
298 |
} |
299 |
exit(0); |
300 |
}]])],[pt_cv_path_wtmpx=`cat conftestval`],[pt_cv_path_wtmpx=],[dnl |
301 |
AC_MSG_WARN(Define WTMPX_FILE in config.h manually)])]) |
302 |
if test x$pt_cv_path_wtmpx != x; then |
303 |
AC_DEFINE_UNQUOTED(WTMPX_FILE, "$pt_cv_path_wtmpx", Define location of wtmpx) |
304 |
fi |
305 |
dnl# -------------------------------------------------------------------------- |
306 |
|
307 |
dnl# find lastlog |
308 |
AC_CACHE_CHECK(where lastlog is located, pt_cv_path_lastlog, |
309 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
310 |
#include <stdlib.h> |
311 |
#include <sys/types.h> |
312 |
#ifdef HAVE_UTMPX_H |
313 |
#include <utmpx.h> |
314 |
#elif defined(HAVE_UTMP_H) |
315 |
#include <utmp.h> |
316 |
#endif |
317 |
#ifdef HAVE_LASTLOG_H |
318 |
#include <lastlog.h> |
319 |
#endif |
320 |
#include <errno.h> |
321 |
int main() |
322 |
{ |
323 |
char **w, *lastloglist[] = { "/var/log/lastlog", NULL }; |
324 |
FILE *a, *f=fopen("conftestval", "w"); |
325 |
if (!f) exit(1); |
326 |
#ifdef LASTLOG_FILE |
327 |
fprintf(f, "%s\n", LASTLOG_FILE); |
328 |
exit(0); |
329 |
#endif |
330 |
#ifdef _PATH_LASTLOG |
331 |
fprintf(f, "%s\n", _PATH_LASTLOG); |
332 |
exit(0); |
333 |
#endif |
334 |
for (w = lastloglist; *w; w++) { |
335 |
if ((a = fopen(*w, "r")) != NULL || errno == EACCES) { |
336 |
fprintf(f, "%s\n", *w); |
337 |
exit(0); |
338 |
} |
339 |
} |
340 |
exit(0); |
341 |
}]])],[pt_cv_path_lastlog=`cat conftestval`],[pt_cv_path_lastlog=],[dnl |
342 |
AC_MSG_WARN(Define LASTLOG_FILE in config.h manually)])]) |
343 |
if test x$pt_cv_path_lastlog != x; then |
344 |
AC_DEFINE_UNQUOTED(LASTLOG_FILE, "$pt_cv_path_lastlog", Define location of lastlog) |
345 |
fi |
346 |
dnl# -------------------------------------------------------------------------- |
347 |
|
348 |
dnl# find lastlogx |
349 |
AC_CACHE_CHECK(where lastlogx is located, pt_cv_path_lastlogx, |
350 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h> |
351 |
#include <stdlib.h> |
352 |
#ifdef HAVE_UTMPX_H |
353 |
#include <utmpx.h> |
354 |
#endif |
355 |
#include <errno.h> |
356 |
int main() |
357 |
{ |
358 |
char **w, *wtmplist[] = { "/var/log/lastlogx", "/var/adm/lastlogx", NULL }; |
359 |
FILE *a, *f=fopen("conftestval", "w"); |
360 |
if (!f) exit(1); |
361 |
#ifdef LASTLOGX_FILE |
362 |
fprintf(f, "%s\n", LASTLOGX_FILE); |
363 |
exit(0); |
364 |
#endif |
365 |
#ifdef _PATH_LASTLOGX |
366 |
fprintf(f, "%s\n", _PATH_LASTLOGX); |
367 |
exit(0); |
368 |
#endif |
369 |
for (w = wtmplist; *w; w++) { |
370 |
if ((a = fopen(*w, "r")) != NULL || errno == EACCES) { |
371 |
fprintf(f, "%s\n", *w); |
372 |
exit(0); |
373 |
} |
374 |
} |
375 |
exit(0); |
376 |
}]])],[pt_cv_path_lastlogx=`cat conftestval`],[pt_cv_path_lastlogx=],[dnl |
377 |
AC_MSG_WARN(Define LASTLOGX_FILE in config.h manually)])]) |
378 |
if test x$pt_cv_path_lastlogx != x; then |
379 |
AC_DEFINE_UNQUOTED(LASTLOGX_FILE, "$pt_cv_path_lastlogx", Define location of lastlogx) |
380 |
fi |
381 |
]) |
382 |
|
383 |
AC_DEFUN([SCM_RIGHTS_CHECK], |
384 |
[ |
385 |
AC_CACHE_CHECK(for unix-compliant filehandle passing ability, pt_cv_can_pass_fds, |
386 |
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
387 |
#include <cstddef> // broken bsds (is that redundant?) need this |
388 |
#include <sys/types.h> |
389 |
#include <sys/socket.h> |
390 |
#include <sys/uio.h> |
391 |
]], [[ |
392 |
{ |
393 |
msghdr msg; |
394 |
iovec iov; |
395 |
char buf [100]; |
396 |
char data = 0; |
397 |
|
398 |
iov.iov_base = &data; |
399 |
iov.iov_len = 1; |
400 |
|
401 |
msg.msg_iov = &iov; |
402 |
msg.msg_iovlen = 1; |
403 |
msg.msg_control = buf; |
404 |
msg.msg_controllen = sizeof buf; |
405 |
|
406 |
cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
407 |
cmsg->cmsg_level = SOL_SOCKET; |
408 |
cmsg->cmsg_type = SCM_RIGHTS; |
409 |
cmsg->cmsg_len = 100; |
410 |
|
411 |
*(int *)CMSG_DATA (cmsg) = 5; |
412 |
|
413 |
return sendmsg (3, &msg, 0); |
414 |
} |
415 |
]])],[pt_cv_can_pass_fds=yes],[pt_cv_can_pass_fds=no])]) |
416 |
if test x$pt_cv_can_pass_fds = xyes; then |
417 |
AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing) |
418 |
else |
419 |
AC_MSG_ERROR([libptytty requires unix-compliant filehandle passing ability]) |
420 |
fi |
421 |
]) |
422 |
|
423 |
AC_DEFUN([TTY_GROUP_CHECK], |
424 |
[ |
425 |
AC_CACHE_CHECK([for tty group], pt_cv_tty_group, |
426 |
[AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
427 |
#include <sys/types.h> |
428 |
#include <sys/stat.h> |
429 |
#include <unistd.h> |
430 |
#include <grp.h> |
431 |
|
432 |
int main() |
433 |
{ |
434 |
struct stat st; |
435 |
struct group *gr; |
436 |
char *tty; |
437 |
gr = getgrnam("tty"); |
438 |
tty = ttyname(0); |
439 |
if (gr != 0 |
440 |
&& tty != 0 |
441 |
&& (stat(tty, &st)) == 0 |
442 |
&& st.st_gid == gr->gr_gid) |
443 |
return 0; |
444 |
else |
445 |
return 1; |
446 |
}]])],[pt_cv_tty_group=yes],[pt_cv_tty_group=no],[pt_cv_tty_group=no])]) |
447 |
if test x$pt_cv_tty_group = xyes; then |
448 |
AC_DEFINE(TTY_GID_SUPPORT, 1, "") |
449 |
fi]) |
450 |
|