… | |
… | |
20 | * along with this program; if not, write to the Free Software |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 | *---------------------------------------------------------------------*/ |
22 | *---------------------------------------------------------------------*/ |
23 | |
23 | |
24 | #include "../config.h" /* NECESSARY */ |
24 | #include "../config.h" /* NECESSARY */ |
|
|
25 | |
|
|
26 | #include "fdpass.h" |
25 | #include "rxvt.h" |
27 | #include "ptytty.h" |
26 | |
28 | |
27 | #include <cstdlib> |
29 | #include <cstdlib> |
28 | #include <cstring> |
30 | #include <cstring> |
29 | |
31 | |
30 | #include <sys/types.h> |
32 | #include <sys/types.h> |
… | |
… | |
33 | #include <fcntl.h> |
35 | #include <fcntl.h> |
34 | |
36 | |
35 | #ifdef HAVE_SYS_IOCTL_H |
37 | #ifdef HAVE_SYS_IOCTL_H |
36 | # include <sys/ioctl.h> |
38 | # include <sys/ioctl.h> |
37 | #endif |
39 | #endif |
38 | #if defined(PTYS_ARE_PTMX) && defined(HAVE_SYS_STROPTS_H) |
40 | #if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H) |
39 | # include <sys/stropts.h> /* for I_PUSH */ |
41 | # include <sys/stropts.h> /* for I_PUSH */ |
40 | #endif |
42 | #endif |
41 | #ifdef HAVE_ISASTREAM |
43 | #ifdef HAVE_ISASTREAM |
42 | # include <stropts.h> |
44 | # include <stropts.h> |
43 | #endif |
45 | #endif |
… | |
… | |
46 | #elif defined(HAVE_LIBUTIL_H) |
48 | #elif defined(HAVE_LIBUTIL_H) |
47 | # include <libutil.h> |
49 | # include <libutil.h> |
48 | #elif defined(HAVE_UTIL_H) |
50 | #elif defined(HAVE_UTIL_H) |
49 | # include <util.h> |
51 | # include <util.h> |
50 | #endif |
52 | #endif |
|
|
53 | #ifdef TTY_GID_SUPPORT |
|
|
54 | #include <grp.h> |
|
|
55 | #endif |
51 | |
56 | |
52 | #include <cstdio> |
57 | #include <cstdio> |
53 | #include <grp.h> |
|
|
54 | |
|
|
55 | #include "rxvtutil.h" |
|
|
56 | #include "fdpass.h" |
|
|
57 | #include "ptytty.h" |
|
|
58 | |
58 | |
59 | ///////////////////////////////////////////////////////////////////////////// |
59 | ///////////////////////////////////////////////////////////////////////////// |
60 | |
60 | |
61 | /* ------------------------------------------------------------------------- * |
61 | /* ------------------------------------------------------------------------- * |
62 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
62 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
… | |
… | |
64 | /* |
64 | /* |
65 | * Returns pty file descriptor, or -1 on failure |
65 | * Returns pty file descriptor, or -1 on failure |
66 | * If successful, ttydev is set to the name of the slave device. |
66 | * 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 |
67 | * fd_tty _may_ also be set to an open fd to the slave device |
68 | */ |
68 | */ |
69 | static inline int |
69 | #if defined(UNIX98_PTY) |
|
|
70 | static int |
70 | get_pty_streams (int *fd_tty, char **ttydev) |
71 | get_pty (int *fd_tty, char **ttydev) |
71 | { |
72 | { |
72 | #if defined(HAVE_GRANTPT) && defined(HAVE_UNLOCKPT) |
|
|
73 | # if defined(PTYS_ARE_GETPT) || defined(PTYS_ARE_POSIX) || defined(PTYS_ARE_PTMX) |
|
|
74 | int pfd; |
73 | int pfd; |
75 | |
74 | |
76 | # if defined(PTYS_ARE_GETPT) |
75 | # if defined(HAVE_GETPT) |
77 | pfd = getpt(); |
76 | pfd = getpt(); |
78 | # elif defined(PTYS_ARE_POSIX) |
77 | # elif defined(HAVE_POSIX_OPENPT) |
79 | pfd = posix_openpt (O_RDWR); |
78 | pfd = posix_openpt (O_RDWR); |
80 | # else |
79 | # else |
81 | pfd = open ("/dev/ptmx", O_RDWR | O_NOCTTY, 0); |
80 | pfd = open (CLONE_DEVICE, O_RDWR | O_NOCTTY, 0); |
82 | # endif |
81 | # endif |
83 | if (pfd >= 0) |
82 | if (pfd >= 0) |
84 | { |
83 | { |
85 | if (grantpt (pfd) == 0 /* change slave permissions */ |
84 | if (grantpt (pfd) == 0 /* change slave permissions */ |
86 | && unlockpt (pfd) == 0) |
85 | && unlockpt (pfd) == 0) |
… | |
… | |
89 | return pfd; |
88 | return pfd; |
90 | } |
89 | } |
91 | |
90 | |
92 | close (pfd); |
91 | close (pfd); |
93 | } |
92 | } |
94 | # endif |
|
|
95 | #endif |
|
|
96 | |
93 | |
97 | return -1; |
94 | return -1; |
98 | } |
95 | } |
99 | |
96 | #elif defined(HAVE_OPENPTY) |
100 | static inline int |
97 | static int |
101 | get_pty_openpty (int *fd_tty, char **ttydev) |
98 | get_pty (int *fd_tty, char **ttydev) |
102 | { |
99 | { |
103 | #ifdef PTYS_ARE_OPENPTY |
|
|
104 | int pfd; |
100 | int pfd; |
105 | int res; |
101 | int res; |
106 | char tty_name[32]; |
102 | char tty_name[32]; |
107 | |
103 | |
108 | res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
104 | res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
109 | if (res != -1) |
105 | if (res != -1) |
110 | { |
106 | { |
111 | *ttydev = strdup (tty_name); |
107 | *ttydev = strdup (tty_name); |
112 | return pfd; |
108 | return pfd; |
113 | } |
109 | } |
114 | #endif |
|
|
115 | |
110 | |
116 | return -1; |
111 | return -1; |
117 | } |
112 | } |
118 | |
113 | #elif defined(HAVE__GETPTY) |
119 | static inline int |
114 | static int |
120 | get_pty__getpty (int *fd_tty, char **ttydev) |
115 | get_pty (int *fd_tty, char **ttydev) |
121 | { |
116 | { |
122 | #ifdef PTYS_ARE__GETPTY |
|
|
123 | int pfd; |
117 | int pfd; |
124 | |
118 | |
125 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
119 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
126 | if (*ttydev != NULL) |
120 | if (*ttydev != NULL) |
127 | return pfd; |
121 | return pfd; |
128 | #endif |
|
|
129 | |
122 | |
130 | return -1; |
123 | return -1; |
131 | } |
124 | } |
132 | |
125 | #elif defined(HAVE_DEV_PTC) |
133 | static inline int |
126 | static int |
134 | get_pty_ptc (int *fd_tty, char **ttydev) |
127 | get_pty (int *fd_tty, char **ttydev) |
135 | { |
128 | { |
136 | #ifdef PTYS_ARE_PTC |
|
|
137 | int pfd; |
129 | int pfd; |
138 | |
130 | |
139 | if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
131 | if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0) |
140 | { |
132 | { |
141 | *ttydev = strdup (ttyname (pfd)); |
133 | *ttydev = strdup (ttyname (pfd)); |
142 | return pfd; |
134 | return pfd; |
143 | } |
135 | } |
144 | #endif |
|
|
145 | |
136 | |
146 | return -1; |
137 | return -1; |
147 | } |
138 | } |
148 | |
139 | #elif defined(HAVE_DEV_CLONE) |
149 | static inline int |
140 | static int |
150 | get_pty_clone (int *fd_tty, char **ttydev) |
141 | get_pty (int *fd_tty, char **ttydev) |
151 | { |
142 | { |
152 | #ifdef PTYS_ARE_CLONE |
|
|
153 | int pfd; |
143 | int pfd; |
154 | |
144 | |
155 | if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
145 | if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0) |
156 | { |
146 | { |
157 | *ttydev = strdup (ptsname (pfd)); |
147 | *ttydev = strdup (ptsname (pfd)); |
158 | return pfd; |
148 | return pfd; |
159 | } |
149 | } |
160 | #endif |
|
|
161 | |
150 | |
162 | return -1; |
151 | return -1; |
163 | } |
152 | } |
164 | |
153 | #else |
165 | static inline int |
154 | /* Based on the code in openssh/openbsd-compat/bsd-openpty.c */ |
|
|
155 | static int |
166 | get_pty_numeric (int *fd_tty, char **ttydev) |
156 | get_pty (int *fd_tty, char **ttydev) |
167 | { |
157 | { |
168 | #ifdef PTYS_ARE_NUMERIC |
|
|
169 | int pfd; |
158 | int pfd; |
170 | int idx; |
159 | int i; |
171 | char *c1, *c2; |
160 | char pty_name[32]; |
172 | char pty_name[] = "/dev/ptyp???"; |
161 | char tty_name[32]; |
173 | char tty_name[] = "/dev/ttyp???"; |
162 | const char *majors = "pqrstuvwxyzabcde"; |
174 | |
163 | const char *minors = "0123456789abcdef"; |
175 | c1 = &(pty_name[sizeof (pty_name) - 4]); |
|
|
176 | c2 = &(tty_name[sizeof (tty_name) - 4]); |
|
|
177 | |
|
|
178 | for (idx = 0; idx < 256; idx++) |
164 | for (i = 0; i < 256; i++) |
179 | { |
165 | { |
180 | sprintf (c1, "%d", idx); |
166 | snprintf(pty_name, 32, "/dev/pty%c%c", majors[i / 16], minors[i % 16]); |
181 | sprintf (c2, "%d", idx); |
167 | snprintf(tty_name, 32, "/dev/tty%c%c", majors[i / 16], minors[i % 16]); |
182 | |
|
|
183 | if (access (tty_name, F_OK) < 0) |
|
|
184 | { |
|
|
185 | idx = 256; |
|
|
186 | break; |
|
|
187 | } |
|
|
188 | |
|
|
189 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
168 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) == -1) |
|
|
169 | { |
|
|
170 | snprintf(pty_name, 32, "/dev/ptyp%d", i); |
|
|
171 | snprintf(tty_name, 32, "/dev/ttyp%d", i); |
|
|
172 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) == -1) |
|
|
173 | continue; |
190 | { |
174 | } |
191 | if (access (tty_name, R_OK | W_OK) == 0) |
175 | if (access (tty_name, R_OK | W_OK) == 0) |
192 | { |
176 | { |
193 | *ttydev = strdup (tty_name); |
177 | *ttydev = strdup (tty_name); |
194 | return pfd; |
178 | return pfd; |
195 | } |
179 | } |
196 | |
180 | |
197 | close (pfd); |
181 | close (pfd); |
198 | } |
|
|
199 | } |
182 | } |
200 | #endif |
|
|
201 | |
|
|
202 | return -1; |
|
|
203 | } |
183 | } |
204 | |
|
|
205 | static inline int |
|
|
206 | get_pty_searched (int *fd_tty, char **ttydev) |
|
|
207 | { |
|
|
208 | #ifdef PTYS_ARE_SEARCHED |
|
|
209 | # ifndef PTYCHAR1 |
|
|
210 | # define PTYCHAR1 "pqrstuvwxyz" |
|
|
211 | # endif |
184 | #endif |
212 | # ifndef PTYCHAR2 |
|
|
213 | # define PTYCHAR2 "0123456789abcdef" |
|
|
214 | # endif |
|
|
215 | int pfd; |
|
|
216 | const char *c1, *c2; |
|
|
217 | char pty_name[] = "/dev/pty??"; |
|
|
218 | char tty_name[] = "/dev/tty??"; |
|
|
219 | |
|
|
220 | for (c1 = PTYCHAR1; *c1; c1++) |
|
|
221 | { |
|
|
222 | pty_name[ (sizeof (pty_name) - 3)] = |
|
|
223 | tty_name[ (sizeof (pty_name) - 3)] = *c1; |
|
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224 | |
|
|
225 | for (c2 = PTYCHAR2; *c2; c2++) |
|
|
226 | { |
|
|
227 | pty_name[ (sizeof (pty_name) - 2)] = |
|
|
228 | tty_name[ (sizeof (pty_name) - 2)] = *c2; |
|
|
229 | |
|
|
230 | if ((pfd = open (pty_name, O_RDWR | O_NOCTTY, 0)) >= 0) |
|
|
231 | { |
|
|
232 | if (access (tty_name, R_OK | W_OK) == 0) |
|
|
233 | { |
|
|
234 | *ttydev = strdup (tty_name); |
|
|
235 | return pfd; |
|
|
236 | } |
|
|
237 | |
|
|
238 | close (pfd); |
|
|
239 | } |
|
|
240 | } |
|
|
241 | } |
|
|
242 | #endif |
|
|
243 | |
|
|
244 | return -1; |
|
|
245 | } |
|
|
246 | |
|
|
247 | static int |
|
|
248 | get_pty (int *fd_tty, char **ttydev) |
|
|
249 | { |
|
|
250 | int pfd; |
|
|
251 | |
|
|
252 | if ((pfd = get_pty_streams (fd_tty, ttydev)) != -1 |
|
|
253 | || (pfd = get_pty_openpty (fd_tty, ttydev)) != -1 |
|
|
254 | || (pfd = get_pty__getpty (fd_tty, ttydev)) != -1 |
|
|
255 | || (pfd = get_pty_ptc (fd_tty, ttydev)) != -1 |
|
|
256 | || (pfd = get_pty_clone (fd_tty, ttydev)) != -1 |
|
|
257 | || (pfd = get_pty_numeric (fd_tty, ttydev)) != -1 |
|
|
258 | || (pfd = get_pty_searched (fd_tty, ttydev)) != -1) |
|
|
259 | return pfd; |
|
|
260 | |
|
|
261 | return -1; |
|
|
262 | } |
|
|
263 | |
185 | |
264 | /*----------------------------------------------------------------------*/ |
186 | /*----------------------------------------------------------------------*/ |
265 | /* |
187 | /* |
266 | * Returns tty file descriptor, or -1 on failure |
188 | * Returns tty file descriptor, or -1 on failure |
267 | */ |
189 | */ |
… | |
… | |
278 | static int |
200 | static int |
279 | control_tty (int fd_tty) |
201 | control_tty (int fd_tty) |
280 | { |
202 | { |
281 | setsid (); |
203 | setsid (); |
282 | |
204 | |
283 | #if defined(PTYS_ARE_PTMX) && defined(I_PUSH) |
205 | #if defined(HAVE_DEV_PTMX) && defined(I_PUSH) |
284 | /* |
206 | /* |
285 | * Push STREAMS modules: |
207 | * Push STREAMS modules: |
286 | * ptem: pseudo-terminal hardware emulation module. |
208 | * ptem: pseudo-terminal hardware emulation module. |
287 | * ldterm: standard terminal line discipline. |
209 | * ldterm: standard terminal line discipline. |
288 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
210 | * ttcompat: V7, 4BSD and XENIX STREAMS compatibility module. |
… | |
… | |
318 | |
240 | |
319 | return 0; |
241 | return 0; |
320 | } |
242 | } |
321 | |
243 | |
322 | void |
244 | void |
323 | rxvt_ptytty::close_tty () |
245 | ptytty::close_tty () |
324 | { |
246 | { |
325 | if (tty < 0) |
247 | if (tty < 0) |
326 | return; |
248 | return; |
327 | |
249 | |
328 | close (tty); |
250 | close (tty); |
329 | tty = -1; |
251 | tty = -1; |
330 | } |
252 | } |
331 | |
253 | |
332 | bool |
254 | bool |
333 | rxvt_ptytty::make_controlling_tty () |
255 | ptytty::make_controlling_tty () |
334 | { |
256 | { |
335 | return control_tty (tty) >= 0; |
257 | return control_tty (tty) >= 0; |
336 | } |
258 | } |
337 | |
259 | |
338 | void |
260 | void |
339 | rxvt_ptytty::set_utf8_mode (bool on) |
261 | ptytty::set_utf8_mode (bool on) |
340 | { |
262 | { |
341 | #ifdef IUTF8 |
263 | #ifdef IUTF8 |
342 | if (pty < 0) |
264 | if (pty < 0) |
343 | return; |
265 | return; |
344 | |
266 | |
… | |
… | |
383 | gid = 0; |
305 | gid = 0; |
384 | } |
306 | } |
385 | } |
307 | } |
386 | } ttyconf; |
308 | } ttyconf; |
387 | |
309 | |
388 | rxvt_ptytty_unix::rxvt_ptytty_unix () |
310 | ptytty_unix::ptytty_unix () |
389 | { |
311 | { |
390 | name = 0; |
312 | name = 0; |
391 | #if UTMP_SUPPORT |
313 | #if UTMP_SUPPORT |
392 | cmd_pid = 0; |
314 | cmd_pid = 0; |
393 | #endif |
315 | #endif |
394 | } |
316 | } |
395 | |
317 | |
396 | rxvt_ptytty_unix::~rxvt_ptytty_unix () |
318 | ptytty_unix::~ptytty_unix () |
397 | { |
319 | { |
398 | #if UTMP_SUPPORT |
320 | #if UTMP_SUPPORT |
399 | logout (); |
321 | logout (); |
400 | #endif |
322 | #endif |
401 | put (); |
323 | put (); |
402 | } |
324 | } |
403 | |
325 | |
404 | void |
326 | void |
405 | rxvt_ptytty_unix::put () |
327 | ptytty_unix::put () |
406 | { |
328 | { |
407 | chmod (name, RESTORE_TTY_MODE); |
329 | chmod (name, RESTORE_TTY_MODE); |
408 | chown (name, 0, ttyconf.gid); |
330 | chown (name, 0, ttyconf.gid); |
409 | |
331 | |
410 | close_tty (); |
332 | close_tty (); |
… | |
… | |
417 | pty = tty = -1; |
339 | pty = tty = -1; |
418 | name = 0; |
340 | name = 0; |
419 | } |
341 | } |
420 | |
342 | |
421 | bool |
343 | bool |
422 | rxvt_ptytty_unix::get () |
344 | ptytty_unix::get () |
423 | { |
345 | { |
424 | /* get master (pty) */ |
346 | /* get master (pty) */ |
425 | if ((pty = get_pty (&tty, &name)) < 0) |
347 | if ((pty = get_pty (&tty, &name)) < 0) |
426 | return false; |
348 | return false; |
427 | |
349 | |
… | |
… | |
455 | |
377 | |
456 | struct command |
378 | struct command |
457 | { |
379 | { |
458 | enum { get, login, destroy } type; |
380 | enum { get, login, destroy } type; |
459 | |
381 | |
460 | rxvt_ptytty *id; |
382 | ptytty *id; |
461 | |
383 | |
462 | bool login_shell; |
384 | bool login_shell; |
463 | int cmd_pid; |
385 | int cmd_pid; |
464 | char hostname[512]; // arbitrary, but should be plenty |
386 | char hostname[512]; // arbitrary, but should be plenty |
465 | }; |
387 | }; |
466 | |
388 | |
467 | struct rxvt_ptytty_proxy : zero_initialized, rxvt_ptytty |
389 | struct ptytty_proxy : ptytty |
468 | { |
390 | { |
469 | rxvt_ptytty *id; |
391 | ptytty *id; |
470 | |
392 | |
|
|
393 | ptytty_proxy () |
|
|
394 | : id(0) |
|
|
395 | { |
|
|
396 | } |
|
|
397 | |
471 | ~rxvt_ptytty_proxy (); |
398 | ~ptytty_proxy (); |
472 | |
399 | |
473 | bool get (); |
400 | bool get (); |
474 | void login (int cmd_pid, bool login_shell, const char *hostname); |
401 | void login (int cmd_pid, bool login_shell, const char *hostname); |
475 | }; |
402 | }; |
476 | |
403 | |
477 | bool |
404 | bool |
478 | rxvt_ptytty_proxy::get () |
405 | ptytty_proxy::get () |
479 | { |
406 | { |
480 | command cmd; |
407 | command cmd; |
481 | |
408 | |
482 | cmd.type = command::get; |
409 | cmd.type = command::get; |
483 | |
410 | |
484 | write (sock_fd, &cmd, sizeof (cmd)); |
411 | write (sock_fd, &cmd, sizeof (cmd)); |
485 | |
412 | |
486 | if (read (sock_fd, &id, sizeof (id)) != sizeof (id)) |
413 | if (read (sock_fd, &id, sizeof (id)) != sizeof (id)) |
487 | rxvt_fatal ("protocol error while creating pty using helper process, aborting.\n"); |
414 | fatal ("protocol error while creating pty using helper process, aborting.\n"); |
488 | |
415 | |
489 | if (!id) |
416 | if (!id) |
490 | return false; |
417 | return false; |
491 | |
418 | |
492 | if ((pty = rxvt_recv_fd (sock_fd)) < 0 |
419 | if ((pty = ptytty_recv_fd (sock_fd)) < 0 |
493 | || (tty = rxvt_recv_fd (sock_fd)) < 0) |
420 | || (tty = ptytty_recv_fd (sock_fd)) < 0) |
494 | rxvt_fatal ("protocol error while reading pty/tty fds from helper process, aborting.\n"); |
421 | fatal ("protocol error while reading pty/tty fds from helper process, aborting.\n"); |
495 | |
422 | |
496 | return true; |
423 | return true; |
497 | } |
424 | } |
498 | |
425 | |
499 | void |
426 | void |
500 | rxvt_ptytty_proxy::login (int cmd_pid, bool login_shell, const char *hostname) |
427 | ptytty_proxy::login (int cmd_pid, bool login_shell, const char *hostname) |
501 | { |
428 | { |
502 | command cmd; |
429 | command cmd; |
503 | |
430 | |
504 | cmd.type = command::login; |
431 | cmd.type = command::login; |
505 | cmd.id = id; |
432 | cmd.id = id; |
… | |
… | |
508 | strncpy (cmd.hostname, hostname, sizeof (cmd.hostname)); |
435 | strncpy (cmd.hostname, hostname, sizeof (cmd.hostname)); |
509 | |
436 | |
510 | write (sock_fd, &cmd, sizeof (cmd)); |
437 | write (sock_fd, &cmd, sizeof (cmd)); |
511 | } |
438 | } |
512 | |
439 | |
513 | rxvt_ptytty_proxy::~rxvt_ptytty_proxy () |
440 | ptytty_proxy::~ptytty_proxy () |
514 | { |
441 | { |
|
|
442 | if (id) |
|
|
443 | { |
515 | command cmd; |
444 | command cmd; |
516 | |
445 | |
517 | cmd.type = command::destroy; |
446 | cmd.type = command::destroy; |
518 | cmd.id = id; |
447 | cmd.id = id; |
519 | |
448 | |
520 | write (sock_fd, &cmd, sizeof (cmd)); |
449 | write (sock_fd, &cmd, sizeof (cmd)); |
|
|
450 | } |
521 | } |
451 | } |
522 | |
452 | |
523 | static |
453 | static |
524 | void serve () |
454 | void serve () |
525 | { |
455 | { |
526 | command cmd; |
456 | command cmd; |
527 | vector<rxvt_ptytty *> ptys; |
457 | vector<ptytty *> ptys; |
528 | |
458 | |
529 | while (read (sock_fd, &cmd, sizeof (command)) == sizeof (command)) |
459 | while (read (sock_fd, &cmd, sizeof (command)) == sizeof (command)) |
530 | { |
460 | { |
531 | if (cmd.type == command::get) |
461 | if (cmd.type == command::get) |
532 | { |
462 | { |
533 | // -> id ptyfd ttyfd |
463 | // -> id ptyfd ttyfd |
534 | cmd.id = new rxvt_ptytty_unix; |
464 | cmd.id = new ptytty_unix; |
535 | |
465 | |
536 | if (cmd.id->get ()) |
466 | if (cmd.id->get ()) |
537 | { |
467 | { |
538 | write (sock_fd, &cmd.id, sizeof (cmd.id)); |
468 | write (sock_fd, &cmd.id, sizeof (cmd.id)); |
539 | ptys.push_back (cmd.id); |
469 | ptys.push_back (cmd.id); |
540 | |
470 | |
541 | rxvt_send_fd (sock_fd, cmd.id->pty); |
471 | ptytty_send_fd (sock_fd, cmd.id->pty); |
542 | rxvt_send_fd (sock_fd, cmd.id->tty); |
472 | ptytty_send_fd (sock_fd, cmd.id->tty); |
543 | } |
473 | } |
544 | else |
474 | else |
545 | { |
475 | { |
546 | delete cmd.id; |
476 | delete cmd.id; |
547 | cmd.id = 0; |
477 | cmd.id = 0; |
… | |
… | |
558 | } |
488 | } |
559 | #endif |
489 | #endif |
560 | } |
490 | } |
561 | else if (cmd.type == command::destroy) |
491 | else if (cmd.type == command::destroy) |
562 | { |
492 | { |
563 | rxvt_ptytty **pty = find (ptys.begin (), ptys.end (), cmd.id); |
493 | ptytty **pty = find (ptys.begin (), ptys.end (), cmd.id); |
564 | |
494 | |
565 | if (pty) |
495 | if (pty) |
566 | { |
496 | { |
567 | delete *pty; |
497 | delete *pty; |
568 | ptys.erase (pty); |
498 | ptys.erase (pty); |
… | |
… | |
571 | else |
501 | else |
572 | break; |
502 | break; |
573 | } |
503 | } |
574 | |
504 | |
575 | // destroy all ptys |
505 | // destroy all ptys |
576 | for (rxvt_ptytty **i = ptys.end (); i-- > ptys.begin (); ) |
506 | for (ptytty **i = ptys.end (); i-- > ptys.begin (); ) |
577 | delete *i; |
507 | delete *i; |
578 | } |
508 | } |
579 | |
509 | |
580 | void rxvt_ptytty_server () |
510 | void ptytty_server () |
581 | { |
511 | { |
582 | int sv[2]; |
512 | int sv[2]; |
583 | |
513 | |
584 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, sv)) |
514 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, sv)) |
585 | rxvt_fatal ("could not create socket to communicate with pty/sessiondb helper, aborting.\n"); |
515 | fatal ("could not create socket to communicate with pty/sessiondb helper, aborting.\n"); |
586 | |
516 | |
587 | pid = fork (); |
517 | pid = fork (); |
588 | |
518 | |
589 | if (pid < 0) |
519 | if (pid < 0) |
590 | rxvt_fatal ("could not create pty/sessiondb helper process, aborting.\n"); |
520 | fatal ("could not create pty/sessiondb helper process, aborting.\n"); |
591 | |
521 | |
592 | if (pid) |
522 | if (pid) |
593 | { |
523 | { |
594 | // client, urxvt |
524 | // client, process |
595 | sock_fd = sv[0]; |
525 | sock_fd = sv[0]; |
596 | close (sv[1]); |
526 | close (sv[1]); |
597 | fcntl (sock_fd, F_SETFD, FD_CLOEXEC); |
527 | fcntl (sock_fd, F_SETFD, FD_CLOEXEC); |
598 | } |
528 | } |
599 | else |
529 | else |
… | |
… | |
611 | } |
541 | } |
612 | |
542 | |
613 | #endif |
543 | #endif |
614 | |
544 | |
615 | // a "factory" *g* |
545 | // a "factory" *g* |
616 | rxvt_ptytty * |
546 | ptytty * |
617 | rxvt_new_ptytty () |
547 | new_ptytty () |
618 | { |
548 | { |
619 | #if PTYTTY_HELPER |
549 | #if PTYTTY_HELPER |
620 | if (pid > 0) |
550 | if (pid > 0) |
621 | // use helper process |
551 | // use helper process |
622 | return new rxvt_ptytty_proxy; |
552 | return new ptytty_proxy; |
623 | else |
553 | else |
624 | #endif |
554 | #endif |
625 | return new rxvt_ptytty_unix; |
555 | return new ptytty_unix; |
626 | } |
556 | } |
627 | |
557 | |
628 | /*----------------------- end-of-file (C source) -----------------------*/ |
558 | /*----------------------- end-of-file (C source) -----------------------*/ |
629 | |
559 | |