… | |
… | |
24 | |
24 | |
25 | /* |
25 | /* |
26 | * Try to be self-contained except for the above autoconfig'd defines |
26 | * Try to be self-contained except for the above autoconfig'd defines |
27 | */ |
27 | */ |
28 | |
28 | |
|
|
29 | #if 0 |
|
|
30 | #ifdef HAVE_GETPT |
|
|
31 | # define _GNU_SOURCE |
|
|
32 | #endif |
|
|
33 | #endif |
|
|
34 | |
29 | #include <stdio.h> |
35 | #include <cstdio> |
30 | #ifdef HAVE_STDLIB_H |
36 | #ifdef HAVE_STDLIB_H |
31 | # include <stdlib.h> |
37 | # include <cstdlib> |
32 | #endif |
38 | #endif |
33 | #ifdef HAVE_SYS_TYPES_H |
39 | #ifdef HAVE_SYS_TYPES_H |
34 | # include <sys/types.h> |
40 | # include <sys/types.h> |
35 | #endif |
41 | #endif |
36 | #ifdef HAVE_UNISTD_H |
42 | #ifdef HAVE_UNISTD_H |
37 | # include <unistd.h> |
43 | # include <unistd.h> |
38 | #endif |
44 | #endif |
39 | #if defined(HAVE_STRING_H) |
45 | #if defined(HAVE_STRING_H) |
40 | # include <string.h> |
46 | # include <cstring> |
41 | #endif |
47 | #endif |
42 | #ifdef HAVE_FCNTL_H |
48 | #ifdef HAVE_FCNTL_H |
43 | # include <fcntl.h> |
49 | # include <fcntl.h> |
44 | #endif |
50 | #endif |
45 | #ifdef HAVE_SYS_IOCTL_H |
51 | #ifdef HAVE_SYS_IOCTL_H |
46 | # include <sys/ioctl.h> |
52 | # include <sys/ioctl.h> |
47 | #endif |
53 | #endif |
48 | #if defined(PTYS_ARE_PTMX) && !defined(__CYGWIN32__) |
54 | #if defined(PTYS_ARE_PTMX) && !defined(__CYGWIN32__) |
49 | # include <sys/stropts.h> /* for I_PUSH */ |
55 | # include <sys/stropts.h> /* for I_PUSH */ |
|
|
56 | #endif |
|
|
57 | #ifdef HAVE_ISASTREAM |
|
|
58 | # include <stropts.h> |
50 | #endif |
59 | #endif |
51 | |
60 | |
52 | #ifdef DEBUG_TTY |
61 | #ifdef DEBUG_TTY |
53 | # define D_TTY(x) fprintf x ; fputc('\n', stderr) ; fflush(stderr) |
62 | # define D_TTY(x) fprintf x ; fputc('\n', stderr) ; fflush(stderr) |
54 | #else |
63 | #else |
… | |
… | |
63 | * If successful, ttydev is set to the name of the slave device. |
72 | * If successful, ttydev is set to the name of the slave device. |
64 | * fd_tty _may_ also be set to an open fd to the slave device |
73 | * fd_tty _may_ also be set to an open fd to the slave device |
65 | */ |
74 | */ |
66 | /* EXTPROTO */ |
75 | /* EXTPROTO */ |
67 | int |
76 | int |
68 | rxvt_get_pty(int *fd_tty, const char **ttydev) |
77 | rxvt_get_pty (int *fd_tty, const char **ttydev) |
69 | { |
78 | { |
70 | int pfd; |
79 | int pfd; |
71 | |
80 | |
72 | #ifdef PTYS_ARE_OPENPTY |
81 | #ifdef PTYS_ARE_OPENPTY |
73 | |
82 | |
74 | char tty_name[sizeof "/dev/pts/????\0"]; |
83 | char tty_name[sizeof "/dev/pts/????\0"]; |
75 | |
84 | |
76 | if (openpty(&pfd, fd_tty, tty_name, NULL, NULL) != -1) |
85 | if (openpty (&pfd, fd_tty, tty_name, NULL, NULL) != -1) |
77 | { |
86 | { |
78 | *ttydev = strdup(tty_name); |
87 | *ttydev = strdup (tty_name); |
79 | return pfd; |
88 | return pfd; |
80 | } |
89 | } |
81 | #endif |
90 | #endif |
82 | |
91 | |
83 | #ifdef PTYS_ARE__GETPTY |
92 | #ifdef PTYS_ARE__GETPTY |
84 | *ttydev = _getpty(&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
93 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
85 | if (*ttydev != NULL) |
94 | if (*ttydev != NULL) |
86 | return pfd; |
95 | return pfd; |
87 | #endif |
96 | #endif |
88 | |
97 | |
89 | #ifdef PTYS_ARE_GETPTY |
98 | #ifdef PTYS_ARE_GETPTY |
90 | |
99 | |
91 | char *ptydev; |
100 | char *ptydev; |
92 | |
101 | |
93 | while ((ptydev = getpty()) != NULL) |
102 | while ((ptydev = getpty ()) != NULL) |
94 | if ((pfd = open(ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
103 | if ((pfd = open (ptydev, O_RDWR | O_NOCTTY, 0)) >= 0) |
95 | { |
104 | { |
96 | *ttydev = ptydev; |
105 | *ttydev = ptydev; |
97 | return pfd; |
106 | return pfd; |
98 | } |
107 | } |
99 | #endif |
108 | #endif |
… | |
… | |
101 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
110 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
102 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) |
111 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_PTMX) |
103 | |
112 | |
104 | { |
113 | { |
105 | # ifdef PTYS_ARE_GETPT |
114 | # ifdef PTYS_ARE_GETPT |
106 | pfd = getpt(); |
115 | pfd = getpt (); |
107 | # else |
116 | # else |
108 | |
117 | |
109 | pfd = open("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
118 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
110 | # endif |
119 | # endif |
111 | |
120 | |
112 | if (pfd >= 0) |
121 | if (pfd >= 0) |
113 | { |
122 | { |
114 | if (grantpt(pfd) == 0 /* change slave permissions */ |
123 | if (grantpt (pfd) == 0 /* change slave permissions */ |
115 | && unlockpt(pfd) == 0) |
124 | && unlockpt (pfd) == 0) |
116 | { /* slave now unlocked */ |
125 | { /* slave now unlocked */ |
117 | *ttydev = ptsname(pfd); /* get slave's name */ |
126 | *ttydev = ptsname (pfd); /* get slave's name */ |
118 | return pfd; |
127 | return pfd; |
119 | } |
128 | } |
120 | close(pfd); |
129 | close (pfd); |
121 | } |
130 | } |
122 | } |
131 | } |
123 | # endif |
132 | # endif |
124 | #endif |
133 | #endif |
125 | |
134 | |
126 | #ifdef PTYS_ARE_PTC |
135 | #ifdef PTYS_ARE_PTC |
127 | if ((pfd = open("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
136 | if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
128 | { |
137 | { |
129 | *ttydev = ttyname(pfd); |
138 | *ttydev = ttyname (pfd); |
130 | return pfd; |
139 | return pfd; |
131 | } |
140 | } |
132 | #endif |
141 | #endif |
133 | |
142 | |
134 | #ifdef PTYS_ARE_CLONE |
143 | #ifdef PTYS_ARE_CLONE |
135 | if ((pfd = open("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
144 | if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
136 | { |
145 | { |
137 | *ttydev = ptsname(pfd); |
146 | *ttydev = ptsname (pfd); |
138 | return pfd; |
147 | return pfd; |
139 | } |
148 | } |
140 | #endif |
149 | #endif |
141 | |
150 | |
142 | #ifdef PTYS_ARE_NUMERIC |
151 | #ifdef PTYS_ARE_NUMERIC |
… | |
… | |
144 | int idx; |
153 | int idx; |
145 | char *c1, *c2; |
154 | char *c1, *c2; |
146 | char pty_name[] = "/dev/ptyp???"; |
155 | char pty_name[] = "/dev/ptyp???"; |
147 | char tty_name[] = "/dev/ttyp???"; |
156 | char tty_name[] = "/dev/ttyp???"; |
148 | |
157 | |
149 | c1 = &(pty_name[sizeof(pty_name) - 4]); |
158 | c1 = & (pty_name[sizeof (pty_name) - 4]); |
150 | c2 = &(tty_name[sizeof(tty_name) - 4]); |
159 | c2 = & (tty_name[sizeof (tty_name) - 4]); |
151 | for (idx = 0; idx < 256; idx++) |
160 | for (idx = 0; idx < 256; idx++) |
152 | { |
161 | { |
153 | sprintf(c1, "%d", idx); |
162 | sprintf (c1, "%d", idx); |
154 | sprintf(c2, "%d", idx); |
163 | sprintf (c2, "%d", idx); |
155 | if (access(tty_name, F_OK) < 0) |
164 | if (access (tty_name, F_OK) < 0) |
156 | { |
165 | { |
157 | idx = 256; |
166 | idx = 256; |
158 | break; |
167 | break; |
159 | } |
168 | } |
160 | if ((pfd = open(pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
169 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
161 | { |
170 | { |
162 | if (access(tty_name, R_OK | W_OK) == 0) |
171 | if (access (tty_name, R_OK | W_OK) == 0) |
163 | { |
172 | { |
164 | *ttydev = strdup(tty_name); |
173 | *ttydev = strdup (tty_name); |
165 | return pfd; |
174 | return pfd; |
166 | } |
175 | } |
167 | close(pfd); |
176 | close (pfd); |
168 | } |
177 | } |
169 | } |
178 | } |
170 | } |
179 | } |
171 | #endif |
180 | #endif |
172 | #ifdef PTYS_ARE_SEARCHED |
181 | #ifdef PTYS_ARE_SEARCHED |
… | |
… | |
182 | # define PTYCHAR2 "0123456789abcdef" |
191 | # define PTYCHAR2 "0123456789abcdef" |
183 | # endif |
192 | # endif |
184 | |
193 | |
185 | for (c1 = PTYCHAR1; *c1; c1++) |
194 | for (c1 = PTYCHAR1; *c1; c1++) |
186 | { |
195 | { |
187 | pty_name[(sizeof(pty_name) - 3)] = |
196 | pty_name[ (sizeof (pty_name) - 3)] = |
188 | tty_name[(sizeof(pty_name) - 3)] = *c1; |
197 | tty_name[ (sizeof (pty_name) - 3)] = *c1; |
189 | for (c2 = PTYCHAR2; *c2; c2++) |
198 | for (c2 = PTYCHAR2; *c2; c2++) |
190 | { |
199 | { |
191 | pty_name[(sizeof(pty_name) - 2)] = |
200 | pty_name[ (sizeof (pty_name) - 2)] = |
192 | tty_name[(sizeof(pty_name) - 2)] = *c2; |
201 | tty_name[ (sizeof (pty_name) - 2)] = *c2; |
193 | if ((pfd = open(pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
202 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
194 | { |
203 | { |
195 | if (access(tty_name, R_OK | W_OK) == 0) |
204 | if (access (tty_name, R_OK | W_OK) == 0) |
196 | { |
205 | { |
197 | *ttydev = strdup(tty_name); |
206 | *ttydev = strdup (tty_name); |
198 | return pfd; |
207 | return pfd; |
199 | } |
208 | } |
200 | close(pfd); |
209 | close (pfd); |
201 | } |
210 | } |
202 | } |
211 | } |
203 | } |
212 | } |
204 | } |
213 | } |
205 | #endif |
214 | #endif |
… | |
… | |
226 | rxvt_control_tty (int fd_tty, const char *ttydev) |
235 | rxvt_control_tty (int fd_tty, const char *ttydev) |
227 | { |
236 | { |
228 | #ifndef __QNX__ |
237 | #ifndef __QNX__ |
229 | int fd; |
238 | int fd; |
230 | |
239 | |
231 | D_TTY ((stderr, "rxvt_control_tty(): pid: %d, tty fd: %d, dev: %s", getpid(), fd_tty, ttydev)); |
240 | D_TTY ((stderr, "rxvt_control_tty (): pid: %d, tty fd: %d, dev: %s", getpid (), fd_tty, ttydev)); |
232 | /* ---------------------------------------- */ |
241 | /* ---------------------------------------- */ |
233 | # ifdef HAVE_SETSID |
242 | # ifdef HAVE_SETSID |
234 | setsid (); |
243 | setsid (); |
235 | # endif |
244 | # endif |
236 | # if defined(HAVE_SETPGID) |
245 | # if defined(HAVE_SETPGID) |
… | |
… | |
240 | # endif |
249 | # endif |
241 | /* ---------------------------------------- */ |
250 | /* ---------------------------------------- */ |
242 | # ifdef TIOCNOTTY |
251 | # ifdef TIOCNOTTY |
243 | |
252 | |
244 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
253 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
245 | D_TTY ((stderr, "rxvt_control_tty(): Voiding tty associations: previous=%s", fd < 0 ? "no" : "yes")); |
254 | D_TTY ((stderr, "rxvt_control_tty (): Voiding tty associations: previous=%s", fd < 0 ? "no" : "yes")); |
246 | if (fd >= 0) |
255 | if (fd >= 0) |
247 | { |
256 | { |
248 | ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */ |
257 | ioctl (fd, TIOCNOTTY, NULL); /* void tty associations */ |
249 | close (fd); |
258 | close (fd); |
250 | } |
259 | } |
251 | # endif |
260 | # endif |
252 | /* ---------------------------------------- */ |
261 | /* ---------------------------------------- */ |
253 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
262 | fd = open ("/dev/tty", O_RDWR | O_NOCTTY); |
254 | D_TTY ((stderr, "rxvt_control_tty(): /dev/tty has controlling tty? %s", fd < 0 ? "no (good)" : "yes (bad)")); |
263 | D_TTY ((stderr, "rxvt_control_tty (): /dev/tty has controlling tty? %s", fd < 0 ? "no (good)" : "yes (bad)")); |
255 | if (fd >= 0) |
264 | if (fd >= 0) |
256 | close (fd); /* ouch: still have controlling tty */ |
265 | close (fd); /* ouch: still have controlling tty */ |
257 | /* ---------------------------------------- */ |
266 | /* ---------------------------------------- */ |
258 | #if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
267 | #if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
259 | /* |
268 | /* |
260 | * Push STREAMS modules: |
269 | * Push STREAMS modules: |
261 | * ptem: pseudo-terminal hardware emulation module. |
270 | * ptem: pseudo-terminal hardware emulation module. |
262 | * ldterm: standard terminal line discipline. |
271 | * ldterm: standard terminal line discipline. |
263 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
272 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
264 | * |
273 | * |
265 | * After we push the STREAMS modules, the first open() on the slave side |
274 | * After we push the STREAMS modules, the first open () on the slave side |
266 | * (i.e. the next section between the dashes giving us "tty opened OK") |
275 | * (i.e. the next section between the dashes giving us "tty opened OK") |
267 | * should make the "ptem" (or "ldterm" depending upon either which OS |
276 | * should make the "ptem" (or "ldterm" depending upon either which OS |
268 | * version or which set of manual pages you have) module give us a |
277 | * version or which set of manual pages you have) module give us a |
269 | * controlling terminal. We must already have close()d the master side |
278 | * controlling terminal. We must already have close ()d the master side |
270 | * fd in this child process before we push STREAMS modules on because the |
279 | * fd in this child process before we push STREAMS modules on because the |
271 | * documentation is really unclear about whether it is any close() on |
280 | * documentation is really unclear about whether it is any close () on |
272 | * the master side or the last close() - i.e. a proper STREAMS dismantling |
281 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
273 | * close() - on the master side which causes a hang up to be sent |
282 | * close () - on the master side which causes a hang up to be sent |
274 | * through - Geoff Wing |
283 | * through - Geoff Wing |
275 | */ |
284 | */ |
276 | # ifdef HAVE_ISASTREAM |
285 | # ifdef HAVE_ISASTREAM |
277 | if (isastream (fd_tty) == 1) |
286 | if (isastream (fd_tty) == 1) |
278 | # endif |
287 | # endif |
279 | { |
288 | { |
280 | D_TTY ((stderr, "rxvt_control_tty(): Pushing STREAMS modules")); |
289 | D_TTY ((stderr, "rxvt_control_tty (): Pushing STREAMS modules")); |
281 | ioctl (fd_tty, I_PUSH, "ptem"); |
290 | ioctl (fd_tty, I_PUSH, "ptem"); |
282 | ioctl (fd_tty, I_PUSH, "ldterm"); |
291 | ioctl (fd_tty, I_PUSH, "ldterm"); |
283 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
292 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
284 | } |
293 | } |
285 | #endif |
294 | #endif |
286 | /* ---------------------------------------- */ |
295 | /* ---------------------------------------- */ |
287 | # if defined(TIOCSCTTY) |
296 | # if defined(TIOCSCTTY) |
288 | fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
297 | fd = ioctl (fd_tty, TIOCSCTTY, NULL); |
289 | D_TTY ((stderr, "rxvt_control_tty(): ioctl(..,TIOCSCTTY): %d", fd)); |
298 | D_TTY ((stderr, "rxvt_control_tty (): ioctl (..,TIOCSCTTY): %d", fd)); |
290 | # elif defined(TIOCSETCTTY) |
299 | # elif defined(TIOCSETCTTY) |
291 | fd = ioctl (fd_tty, TIOCSETCTTY, NULL); |
300 | fd = ioctl (fd_tty, TIOCSETCTTY, NULL); |
292 | D_TTY ((stderr, "rxvt_control_tty(): ioctl(..,TIOCSETCTTY): %d", fd)); |
301 | D_TTY ((stderr, "rxvt_control_tty (): ioctl (..,TIOCSETCTTY): %d", fd)); |
293 | # else |
302 | # else |
294 | fd = open (ttydev, O_RDWR); |
303 | fd = open (ttydev, O_RDWR); |
295 | D_TTY ((stderr, "rxvt_control_tty(): tty open%s", fd < 0 ? " failure" : "ed OK")); |
304 | D_TTY ((stderr, "rxvt_control_tty (): tty open%s", fd < 0 ? " failure" : "ed OK")); |
296 | if (fd >= 0) |
305 | if (fd >= 0) |
297 | close(fd); |
306 | close (fd); |
298 | # endif |
307 | # endif |
299 | /* ---------------------------------------- */ |
308 | /* ---------------------------------------- */ |
300 | fd = open ("/dev/tty", O_WRONLY); |
309 | fd = open ("/dev/tty", O_WRONLY); |
301 | D_TTY ((stderr, "rxvt_control_tty(): do we have controlling tty now: %s", fd < 0 ? "no (fatal)" : "yes (good)")); |
310 | D_TTY ((stderr, "rxvt_control_tty (): do we have controlling tty now: %s", fd < 0 ? "no (fatal)" : "yes (good)")); |
302 | if (fd < 0) |
311 | if (fd < 0) |
303 | return -1; /* fatal */ |
312 | return -1; /* fatal */ |
304 | close (fd); |
313 | close (fd); |
305 | /* ---------------------------------------- */ |
314 | /* ---------------------------------------- */ |
306 | D_TTY ((stderr, "rxvt_control_tty(): tcgetpgrp(): %d getpgrp(): %d", tcgetpgrp(fd_tty), getpgrp())); |
315 | D_TTY ((stderr, "rxvt_control_tty (): tcgetpgrp (): %d getpgrp (): %d", tcgetpgrp (fd_tty), getpgrp ())); |
307 | /* ---------------------------------------- */ |
316 | /* ---------------------------------------- */ |
308 | #endif /* ! __QNX__ */ |
317 | #endif /* ! __QNX__ */ |
309 | |
318 | |
310 | return 0; |
319 | return 0; |
311 | } |
320 | } |