|
|
1 | // This file is part of libptytty. Do not make local modifications. |
|
|
2 | // http://software.schmorp.de/pkg/libptytty |
|
|
3 | |
1 | /*--------------------------------*-C-*---------------------------------* |
4 | /*----------------------------------------------------------------------* |
2 | * File: ptytty.C |
5 | * File: ptytty.C |
3 | *----------------------------------------------------------------------* |
6 | *----------------------------------------------------------------------* |
4 | * |
7 | * |
5 | * All portions of code are copyright by their respective author/s. |
8 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
9 | * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
7 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
10 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
|
|
11 | * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * |
12 | * |
9 | * This program is free software; you can redistribute it and/or modify |
13 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
14 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
15 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
16 | * (at your option) any later version. |
… | |
… | |
19 | * You should have received a copy of the GNU General Public License |
23 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
24 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 | *---------------------------------------------------------------------*/ |
26 | *---------------------------------------------------------------------*/ |
23 | |
27 | |
24 | #include "../config.h" /* NECESSARY */ |
28 | #include "../config.h" |
|
|
29 | |
25 | #include "rxvt.h" |
30 | #include "ptytty.h" |
26 | |
31 | |
27 | # include <cstdlib> |
32 | #include <cstdlib> |
28 | # include <cstring> |
33 | #include <cstring> |
|
|
34 | #include <csignal> |
29 | |
35 | |
30 | #ifdef HAVE_SYS_TYPES_H |
|
|
31 | # include <sys/types.h> |
36 | #include <sys/types.h> |
32 | #endif |
|
|
33 | #ifdef HAVE_UNISTD_H |
|
|
34 | # include <unistd.h> |
37 | #include <unistd.h> |
35 | #endif |
|
|
36 | #ifdef HAVE_FCNTL_H |
|
|
37 | # include <fcntl.h> |
38 | #include <fcntl.h> |
38 | #endif |
39 | |
39 | #ifdef HAVE_SYS_IOCTL_H |
40 | #ifdef HAVE_SYS_IOCTL_H |
40 | # include <sys/ioctl.h> |
41 | # include <sys/ioctl.h> |
41 | #endif |
42 | #endif |
42 | #if defined(PTYS_ARE_PTMX) && defined(HAVE_SYS_STROPTS_H) |
43 | #if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H) |
43 | # include <sys/stropts.h> /* for I_PUSH */ |
44 | # include <sys/stropts.h> /* for I_PUSH */ |
44 | #endif |
45 | #endif |
45 | #ifdef HAVE_ISASTREAM |
46 | #ifdef HAVE_ISASTREAM |
46 | # include <stropts.h> |
47 | # include <stropts.h> |
47 | #endif |
48 | #endif |
… | |
… | |
50 | #elif defined(HAVE_LIBUTIL_H) |
51 | #elif defined(HAVE_LIBUTIL_H) |
51 | # include <libutil.h> |
52 | # include <libutil.h> |
52 | #elif defined(HAVE_UTIL_H) |
53 | #elif defined(HAVE_UTIL_H) |
53 | # include <util.h> |
54 | # include <util.h> |
54 | #endif |
55 | #endif |
|
|
56 | #ifdef TTY_GID_SUPPORT |
|
|
57 | #include <grp.h> |
|
|
58 | #endif |
55 | |
59 | |
56 | #include <cstdio> |
60 | #include <cstdio> |
57 | #include <grp.h> |
|
|
58 | |
61 | |
59 | ///////////////////////////////////////////////////////////////////////////// |
62 | ///////////////////////////////////////////////////////////////////////////// |
60 | |
63 | |
61 | /* ------------------------------------------------------------------------- * |
64 | /* ------------------------------------------------------------------------- * |
62 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
65 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
… | |
… | |
64 | /* |
67 | /* |
65 | * Returns pty file descriptor, or -1 on failure |
68 | * Returns pty file descriptor, or -1 on failure |
66 | * If successful, ttydev is set to the name of the slave device. |
69 | * If successful, ttydev is set to the name of the slave device. |
67 | * fd_tty _may_ also be set to an open fd to the slave device |
70 | * fd_tty _may_ also be set to an open fd to the slave device |
68 | */ |
71 | */ |
|
|
72 | #if defined(UNIX98_PTY) |
69 | static int |
73 | static int |
70 | get_pty (int *fd_tty, char **ttydev) |
74 | get_pty (int *fd_tty, char **ttydev) |
71 | { |
75 | { |
72 | int pfd; |
76 | int pfd; |
73 | |
77 | |
74 | #ifdef PTYS_ARE_OPENPTY |
78 | # if defined(HAVE_GETPT) |
75 | char tty_name[sizeof "/dev/pts/????\0"]; |
79 | pfd = getpt(); |
|
|
80 | # elif defined(HAVE_POSIX_OPENPT) |
|
|
81 | pfd = posix_openpt (O_RDWR); |
|
|
82 | # else |
|
|
83 | pfd = open (CLONE_DEVICE, O_RDWR | O_NOCTTY, 0); |
|
|
84 | # endif |
|
|
85 | if (pfd >= 0) |
|
|
86 | { |
|
|
87 | if (grantpt (pfd) == 0 /* change slave permissions */ |
|
|
88 | && unlockpt (pfd) == 0) |
|
|
89 | { /* slave now unlocked */ |
|
|
90 | *ttydev = strdup (ptsname (pfd)); /* get slave's name */ |
|
|
91 | return pfd; |
|
|
92 | } |
76 | |
93 | |
77 | rxvt_privileges(RESTORE); |
94 | close (pfd); |
|
|
95 | } |
|
|
96 | |
|
|
97 | return -1; |
|
|
98 | } |
|
|
99 | #elif defined(HAVE_OPENPTY) |
|
|
100 | static int |
|
|
101 | get_pty (int *fd_tty, char **ttydev) |
|
|
102 | { |
|
|
103 | int pfd; |
|
|
104 | int res; |
|
|
105 | char tty_name[32]; |
|
|
106 | |
78 | int res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
107 | res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
79 | rxvt_privileges(IGNORE); |
|
|
80 | |
|
|
81 | if (res != -1) |
108 | if (res != -1) |
82 | { |
109 | { |
83 | *ttydev = strdup (tty_name); |
110 | *ttydev = strdup (tty_name); |
84 | return pfd; |
111 | return pfd; |
85 | } |
112 | } |
86 | #endif |
|
|
87 | |
113 | |
88 | #ifdef PTYS_ARE__GETPTY |
114 | return -1; |
|
|
115 | } |
|
|
116 | #elif defined(HAVE__GETPTY) |
|
|
117 | static int |
|
|
118 | get_pty (int *fd_tty, char **ttydev) |
|
|
119 | { |
|
|
120 | int pfd; |
|
|
121 | |
89 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
122 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
90 | if (*ttydev != NULL) |
123 | if (*ttydev != NULL) |
91 | return pfd; |
124 | return pfd; |
92 | #endif |
|
|
93 | |
125 | |
94 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
126 | return -1; |
95 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX) |
127 | } |
|
|
128 | #elif defined(HAVE_DEV_PTC) |
|
|
129 | static int |
|
|
130 | get_pty (int *fd_tty, char **ttydev) |
|
|
131 | { |
|
|
132 | int pfd; |
96 | |
133 | |
97 | { |
|
|
98 | # ifdef PTYS_ARE_GETPT |
|
|
99 | pfd = getpt(); |
|
|
100 | # else |
|
|
101 | # ifdef PTYS_ARE_POSIX |
|
|
102 | pfd = posix_openpt (O_RDWR); |
|
|
103 | # else |
|
|
104 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
|
|
105 | # endif |
|
|
106 | # endif |
|
|
107 | |
|
|
108 | if (pfd >= 0) |
|
|
109 | { |
|
|
110 | if (grantpt (pfd) == 0 /* change slave permissions */ |
|
|
111 | && unlockpt (pfd) == 0) |
|
|
112 | { /* slave now unlocked */ |
|
|
113 | *ttydev = strdup (ptsname (pfd)); /* get slave's name */ |
|
|
114 | return pfd; |
|
|
115 | } |
|
|
116 | close (pfd); |
|
|
117 | } |
|
|
118 | } |
|
|
119 | # endif |
|
|
120 | #endif |
|
|
121 | |
|
|
122 | #ifdef PTYS_ARE_PTC |
|
|
123 | if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
134 | if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
124 | { |
135 | { |
125 | *ttydev = strdup (ttyname (pfd)); |
136 | *ttydev = strdup (ttyname (pfd)); |
126 | return pfd; |
137 | return pfd; |
127 | } |
138 | } |
128 | #endif |
|
|
129 | |
139 | |
130 | #ifdef PTYS_ARE_CLONE |
140 | return -1; |
|
|
141 | } |
|
|
142 | #elif defined(HAVE_DEV_CLONE) |
|
|
143 | static int |
|
|
144 | get_pty (int *fd_tty, char **ttydev) |
|
|
145 | { |
|
|
146 | int pfd; |
|
|
147 | |
131 | if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
148 | if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
132 | { |
149 | { |
133 | *ttydev = strdup (ptsname (pfd)); |
150 | *ttydev = strdup (ptsname (pfd)); |
134 | return pfd; |
151 | return pfd; |
135 | } |
152 | } |
136 | #endif |
|
|
137 | |
153 | |
138 | #ifdef PTYS_ARE_NUMERIC |
154 | return -1; |
139 | { |
155 | } |
|
|
156 | #else |
|
|
157 | /* Based on the code in openssh/openbsd-compat/bsd-openpty.c */ |
|
|
158 | static int |
|
|
159 | get_pty (int *fd_tty, char **ttydev) |
|
|
160 | { |
|
|
161 | int pfd; |
140 | int idx; |
162 | int i; |
141 | char *c1, *c2; |
163 | char pty_name[32]; |
142 | char pty_name[] = "/dev/ptyp???"; |
164 | char tty_name[32]; |
143 | char tty_name[] = "/dev/ttyp???"; |
165 | const char *majors = "pqrstuvwxyzabcde"; |
144 | |
166 | const char *minors = "0123456789abcdef"; |
145 | c1 = &(pty_name[sizeof (pty_name) - 4]); |
|
|
146 | c2 = &(tty_name[sizeof (tty_name) - 4]); |
|
|
147 | for (idx = 0; idx < 256; idx++) |
167 | for (i = 0; i < 256; i++) |
148 | { |
168 | { |
149 | sprintf (c1, "%d", idx); |
169 | snprintf(pty_name, 32, "/dev/pty%c%c", majors[i / 16], minors[i % 16]); |
150 | sprintf (c2, "%d", idx); |
170 | snprintf(tty_name, 32, "/dev/tty%c%c", majors[i / 16], minors[i % 16]); |
151 | if (access (tty_name, F_OK) < 0) |
|
|
152 | { |
|
|
153 | idx = 256; |
|
|
154 | break; |
|
|
155 | } |
|
|
156 | |
|
|
157 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
171 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) == -1) |
158 | { |
172 | { |
|
|
173 | snprintf(pty_name, 32, "/dev/ptyp%d", i); |
|
|
174 | snprintf(tty_name, 32, "/dev/ttyp%d", i); |
|
|
175 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) == -1) |
|
|
176 | continue; |
|
|
177 | } |
159 | if (access (tty_name, R_OK | W_OK) == 0) |
178 | if (access (tty_name, R_OK | W_OK) == 0) |
160 | { |
179 | { |
161 | *ttydev = strdup (tty_name); |
180 | *ttydev = strdup (tty_name); |
162 | return pfd; |
181 | return pfd; |
163 | } |
|
|
164 | |
|
|
165 | close (pfd); |
|
|
166 | } |
182 | } |
|
|
183 | |
|
|
184 | close (pfd); |
167 | } |
185 | } |
168 | } |
186 | } |
169 | #endif |
|
|
170 | |
|
|
171 | #ifdef PTYS_ARE_SEARCHED |
|
|
172 | { |
|
|
173 | const char *c1, *c2; |
|
|
174 | char pty_name[] = "/dev/pty??"; |
|
|
175 | char tty_name[] = "/dev/tty??"; |
|
|
176 | |
|
|
177 | # ifndef PTYCHAR1 |
|
|
178 | # define PTYCHAR1 "pqrstuvwxyz" |
|
|
179 | # endif |
187 | #endif |
180 | # ifndef PTYCHAR2 |
|
|
181 | # define PTYCHAR2 "0123456789abcdef" |
|
|
182 | # endif |
|
|
183 | |
|
|
184 | for (c1 = PTYCHAR1; *c1; c1++) |
|
|
185 | { |
|
|
186 | pty_name[ (sizeof (pty_name) - 3)] = |
|
|
187 | tty_name[ (sizeof (pty_name) - 3)] = *c1; |
|
|
188 | for (c2 = PTYCHAR2; *c2; c2++) |
|
|
189 | { |
|
|
190 | pty_name[ (sizeof (pty_name) - 2)] = |
|
|
191 | tty_name[ (sizeof (pty_name) - 2)] = *c2; |
|
|
192 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
|
|
193 | { |
|
|
194 | if (access (tty_name, R_OK | W_OK) == 0) |
|
|
195 | { |
|
|
196 | *ttydev = strdup (tty_name); |
|
|
197 | return pfd; |
|
|
198 | } |
|
|
199 | |
|
|
200 | close (pfd); |
|
|
201 | } |
|
|
202 | } |
|
|
203 | } |
|
|
204 | } |
|
|
205 | #endif |
|
|
206 | |
|
|
207 | return -1; |
|
|
208 | } |
|
|
209 | |
188 | |
210 | /*----------------------------------------------------------------------*/ |
189 | /*----------------------------------------------------------------------*/ |
211 | /* |
190 | /* |
212 | * Returns tty file descriptor, or -1 on failure |
191 | * Returns tty file descriptor, or -1 on failure |
213 | */ |
192 | */ |
… | |
… | |
222 | * Make our tty a controlling tty so that /dev/tty points to us |
201 | * Make our tty a controlling tty so that /dev/tty points to us |
223 | */ |
202 | */ |
224 | static int |
203 | static int |
225 | control_tty (int fd_tty) |
204 | control_tty (int fd_tty) |
226 | { |
205 | { |
227 | int fd; |
|
|
228 | |
|
|
229 | /* ---------------------------------------- */ |
|
|
230 | setsid (); |
206 | setsid (); |
231 | |
207 | |
232 | /* ---------------------------------------- */ |
|
|
233 | # if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
208 | #if defined(HAVE_DEV_PTMX) && defined(I_PUSH) |
234 | /* |
209 | /* |
235 | * Push STREAMS modules: |
210 | * Push STREAMS modules: |
236 | * ptem: pseudo-terminal hardware emulation module. |
211 | * ptem: pseudo-terminal hardware emulation module. |
237 | * ldterm: standard terminal line discipline. |
212 | * ldterm: standard terminal line discipline. |
238 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
213 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
… | |
… | |
246 | * documentation is really unclear about whether it is any close () on |
221 | * documentation is really unclear about whether it is any close () on |
247 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
222 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
248 | * close () - on the master side which causes a hang up to be sent |
223 | * close () - on the master side which causes a hang up to be sent |
249 | * through - Geoff Wing |
224 | * through - Geoff Wing |
250 | */ |
225 | */ |
251 | # ifdef HAVE_ISASTREAM |
226 | # ifdef HAVE_ISASTREAM |
252 | if (isastream (fd_tty) == 1) |
227 | if (isastream (fd_tty) == 1) |
253 | # endif |
228 | # endif |
254 | { |
229 | { |
255 | ioctl (fd_tty, I_PUSH, "ptem"); |
230 | ioctl (fd_tty, I_PUSH, "ptem"); |
256 | ioctl (fd_tty, I_PUSH, "ldterm"); |
231 | ioctl (fd_tty, I_PUSH, "ldterm"); |
257 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
232 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
258 | } |
233 | } |
259 | # endif |
234 | #endif |
260 | /* ---------------------------------------- */ |
235 | |
261 | fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
236 | ioctl (fd_tty, TIOCSCTTY, NULL); |
262 | /* ---------------------------------------- */ |
237 | |
263 | fd = open ("/dev/tty", O_WRONLY); |
238 | int fd = open ("/dev/tty", O_WRONLY); |
264 | if (fd < 0) |
239 | if (fd < 0) |
265 | return -1; /* fatal */ |
240 | return -1; /* fatal */ |
|
|
241 | |
266 | close (fd); |
242 | close (fd); |
267 | /* ---------------------------------------- */ |
|
|
268 | |
243 | |
269 | return 0; |
244 | return 0; |
270 | } |
245 | } |
271 | |
246 | |
272 | void |
247 | void |
273 | rxvt_ptytty::close_tty () |
248 | ptytty::close_tty () |
274 | { |
249 | { |
275 | if (tty < 0) |
250 | if (tty < 0) |
276 | return; |
251 | return; |
277 | |
252 | |
278 | close (tty); |
253 | close (tty); |
279 | tty = -1; |
254 | tty = -1; |
280 | } |
255 | } |
281 | |
256 | |
282 | bool |
257 | bool |
283 | rxvt_ptytty::make_controlling_tty () |
258 | ptytty::make_controlling_tty () |
284 | { |
259 | { |
285 | return control_tty (tty) >= 0; |
260 | return control_tty (tty) >= 0; |
286 | } |
261 | } |
287 | |
262 | |
288 | void |
263 | void |
289 | rxvt_ptytty::set_utf8_mode (bool on) |
264 | ptytty::set_utf8_mode (bool on) |
290 | { |
265 | { |
291 | #ifdef IUTF8 |
266 | #ifdef IUTF8 |
292 | if (pty < 0) |
267 | if (pty < 0) |
293 | return; |
268 | return; |
294 | |
269 | |
… | |
… | |
310 | } |
285 | } |
311 | } |
286 | } |
312 | #endif |
287 | #endif |
313 | } |
288 | } |
314 | |
289 | |
315 | ///////////////////////////////////////////////////////////////////////////// |
|
|
316 | |
|
|
317 | #ifndef NO_SETOWNER_TTYDEV |
|
|
318 | static struct ttyconf { |
290 | static struct ttyconf { |
319 | gid_t gid; |
291 | gid_t gid; |
320 | mode_t mode; |
292 | mode_t mode; |
321 | |
293 | |
322 | ttyconf () |
294 | ttyconf () |
… | |
… | |
331 | } |
303 | } |
332 | else |
304 | else |
333 | #endif /* TTY_GID_SUPPORT */ |
305 | #endif /* TTY_GID_SUPPORT */ |
334 | { |
306 | { |
335 | mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; |
307 | mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; |
336 | gid = getgid (); |
308 | gid = 0; |
337 | } |
309 | } |
338 | } |
310 | } |
339 | } ttyconf; |
311 | } ttyconf; |
340 | |
312 | |
341 | ///////////////////////////////////////////////////////////////////////////// |
313 | ptytty_unix::ptytty_unix () |
|
|
314 | { |
|
|
315 | name = 0; |
|
|
316 | #if UTMP_SUPPORT |
|
|
317 | cmd_pid = 0; |
|
|
318 | #endif |
|
|
319 | } |
|
|
320 | |
|
|
321 | ptytty_unix::~ptytty_unix () |
|
|
322 | { |
|
|
323 | #if UTMP_SUPPORT |
|
|
324 | logout (); |
|
|
325 | #endif |
|
|
326 | put (); |
|
|
327 | } |
342 | |
328 | |
343 | void |
329 | void |
344 | rxvt_ptytty_unix::privileges (rxvt_privaction action) |
330 | ptytty_unix::put () |
345 | { |
331 | { |
346 | if (!name || !*name) |
332 | chmod (name, RESTORE_TTY_MODE); |
347 | return; |
333 | chown (name, 0, ttyconf.gid); |
348 | |
334 | |
349 | rxvt_privileges (RESTORE); |
335 | close_tty (); |
350 | |
336 | |
351 | if (action == SAVE) |
337 | if (pty >= 0) |
352 | { |
338 | close (pty); |
353 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
|
|
354 | /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
|
|
355 | if (lstat (name, &savestat) < 0) /* you lose out */ |
|
|
356 | ; |
|
|
357 | else |
|
|
358 | # endif |
|
|
359 | { |
|
|
360 | saved = true; |
|
|
361 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
|
|
362 | chmod (name, ttyconf.mode); |
|
|
363 | # ifdef HAVE_REVOKE |
|
|
364 | revoke (name); |
|
|
365 | # endif |
|
|
366 | } |
|
|
367 | } |
|
|
368 | else |
|
|
369 | { /* action == RESTORE */ |
|
|
370 | # ifndef RESET_TTY_TO_COMMON_DEFAULTS |
|
|
371 | if (saved) |
|
|
372 | { |
|
|
373 | chmod (name, savestat.st_mode); |
|
|
374 | chown (name, savestat.st_uid, savestat.st_gid); |
|
|
375 | } |
|
|
376 | # else |
|
|
377 | chmod (name, (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
|
|
378 | chown (name, 0, 0); |
|
|
379 | # endif |
|
|
380 | |
339 | |
381 | } |
340 | free (name); |
382 | |
341 | |
383 | rxvt_privileges (IGNORE); |
|
|
384 | } |
|
|
385 | #endif |
|
|
386 | |
|
|
387 | rxvt_ptytty_unix::rxvt_ptytty_unix () |
|
|
388 | { |
|
|
389 | pty = tty = -1; |
342 | pty = tty = -1; |
390 | name = 0; |
343 | name = 0; |
391 | #ifndef NO_SETOWNER_TTYDEV |
|
|
392 | saved = false; |
|
|
393 | #endif |
|
|
394 | #if UTMP_SUPPORT |
|
|
395 | cmd_pid = 0; |
|
|
396 | #endif |
|
|
397 | } |
|
|
398 | |
|
|
399 | rxvt_ptytty_unix::~rxvt_ptytty_unix () |
|
|
400 | { |
|
|
401 | logout (); |
|
|
402 | put (); |
|
|
403 | } |
|
|
404 | |
|
|
405 | void |
|
|
406 | rxvt_ptytty_unix::put () |
|
|
407 | { |
|
|
408 | #ifndef NO_SETOWNER_TTYDEV |
|
|
409 | privileges (RESTORE); |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | if (pty >= 0) close (pty); |
|
|
413 | close_tty (); |
|
|
414 | free (name); |
|
|
415 | |
|
|
416 | pty = tty = -1; |
|
|
417 | name = 0; |
|
|
418 | } |
344 | } |
419 | |
345 | |
420 | bool |
346 | bool |
421 | rxvt_ptytty_unix::get () |
347 | ptytty_unix::get () |
422 | { |
348 | { |
423 | /* get master (pty) */ |
349 | /* get master (pty) */ |
424 | if ((pty = get_pty (&tty, &name)) < 0) |
350 | if ((pty = get_pty (&tty, &name)) < 0) |
425 | return false; |
351 | return false; |
426 | |
352 | |
… | |
… | |
428 | |
354 | |
429 | /* get slave (tty) */ |
355 | /* get slave (tty) */ |
430 | if (tty < 0) |
356 | if (tty < 0) |
431 | { |
357 | { |
432 | #ifndef NO_SETOWNER_TTYDEV |
358 | #ifndef NO_SETOWNER_TTYDEV |
433 | privileges (SAVE); |
359 | chown (name, getuid (), ttyconf.gid); /* fail silently */ |
|
|
360 | chmod (name, ttyconf.mode); |
|
|
361 | # ifdef HAVE_REVOKE |
|
|
362 | revoke (name); |
|
|
363 | # endif |
434 | #endif |
364 | #endif |
435 | |
365 | |
436 | if ((tty = get_tty (name)) < 0) |
366 | if ((tty = get_tty (name)) < 0) |
437 | { |
367 | { |
438 | put (); |
368 | put (); |
… | |
… | |
441 | } |
371 | } |
442 | |
372 | |
443 | return true; |
373 | return true; |
444 | } |
374 | } |
445 | |
375 | |
446 | /*----------------------- end-of-file (C source) -----------------------*/ |
|
|
447 | |
|
|