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32 | #include <cstdlib> |
32 | #include <cstdlib> |
33 | #include <cstring> |
33 | #include <cstring> |
34 | #include <csignal> |
34 | #include <csignal> |
35 | |
35 | |
36 | #include <sys/types.h> |
36 | #include <sys/types.h> |
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|
37 | #include <sys/stat.h> |
37 | #include <unistd.h> |
38 | #include <unistd.h> |
38 | #include <fcntl.h> |
39 | #include <fcntl.h> |
39 | |
40 | |
40 | #ifdef HAVE_SYS_IOCTL_H |
41 | #ifdef HAVE_SYS_IOCTL_H |
41 | # include <sys/ioctl.h> |
42 | # include <sys/ioctl.h> |
42 | #endif |
43 | #endif |
43 | #if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H) |
44 | #if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H) |
44 | # include <sys/stropts.h> /* for I_PUSH */ |
45 | # include <sys/stropts.h> /* for I_PUSH */ |
45 | #endif |
46 | #endif |
46 | #ifdef HAVE_ISASTREAM |
47 | #if defined(HAVE_ISASTREAM) && defined(HAVE_STROPTS_H) |
47 | # include <stropts.h> |
48 | # include <stropts.h> |
48 | #endif |
49 | #endif |
49 | #if defined(HAVE_PTY_H) |
50 | #if defined(HAVE_PTY_H) |
50 | # include <pty.h> |
51 | # include <pty.h> |
51 | #elif defined(HAVE_LIBUTIL_H) |
52 | #elif defined(HAVE_LIBUTIL_H) |
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86 | |
87 | |
87 | if (pfd >= 0) |
88 | if (pfd >= 0) |
88 | { |
89 | { |
89 | if (grantpt (pfd) == 0 /* change slave permissions */ |
90 | if (grantpt (pfd) == 0 /* change slave permissions */ |
90 | && unlockpt (pfd) == 0) |
91 | && unlockpt (pfd) == 0) |
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|
92 | { |
91 | { /* slave now unlocked */ |
93 | /* slave now unlocked */ |
92 | *ttydev = strdup (ptsname (pfd)); /* get slave's name */ |
94 | *ttydev = strdup (ptsname (pfd)); /* get slave's name */ |
93 | return pfd; |
95 | return pfd; |
94 | } |
96 | } |
95 | |
97 | |
96 | close (pfd); |
98 | close (pfd); |
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122 | |
124 | |
123 | static int |
125 | static int |
124 | get_pty (int *fd_tty, char **ttydev) |
126 | get_pty (int *fd_tty, char **ttydev) |
125 | { |
127 | { |
126 | int pfd; |
128 | int pfd; |
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|
129 | char *slave; |
127 | |
130 | |
128 | *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
131 | slave = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); |
129 | |
132 | |
130 | if (*ttydev != NULL) |
133 | if (slave != NULL) |
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|
134 | { |
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135 | *ttydev = strdup (slave); |
131 | return pfd; |
136 | return pfd; |
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|
137 | } |
132 | |
138 | |
133 | return -1; |
139 | return -1; |
134 | } |
140 | } |
135 | |
141 | |
136 | #elif defined(HAVE_DEV_PTC) |
142 | #elif defined(HAVE_DEV_PTC) |
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242 | * documentation is really unclear about whether it is any close () on |
248 | * documentation is really unclear about whether it is any close () on |
243 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
249 | * the master side or the last close () - i.e. a proper STREAMS dismantling |
244 | * close () - on the master side which causes a hang up to be sent |
250 | * close () - on the master side which causes a hang up to be sent |
245 | * through - Geoff Wing |
251 | * through - Geoff Wing |
246 | */ |
252 | */ |
247 | # ifdef HAVE_ISASTREAM |
253 | #if defined(HAVE_ISASTREAM) && defined(HAVE_STROPTS_H) |
248 | if (isastream (fd_tty) == 1) |
254 | if (isastream (fd_tty) == 1) |
249 | # endif |
255 | # endif |
250 | { |
256 | { |
251 | ioctl (fd_tty, I_PUSH, "ptem"); |
257 | ioctl (fd_tty, I_PUSH, "ptem"); |
252 | ioctl (fd_tty, I_PUSH, "ldterm"); |
258 | ioctl (fd_tty, I_PUSH, "ldterm"); |
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322 | { |
328 | { |
323 | #ifdef TTY_GID_SUPPORT |
329 | #ifdef TTY_GID_SUPPORT |
324 | struct group *gr = getgrnam ("tty"); |
330 | struct group *gr = getgrnam ("tty"); |
325 | |
331 | |
326 | if (gr) |
332 | if (gr) |
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|
333 | { |
327 | { /* change group ownership of tty to "tty" */ |
334 | /* change group ownership of tty to "tty" */ |
328 | mode = S_IRUSR | S_IWUSR | S_IWGRP; |
335 | mode = S_IRUSR | S_IWUSR | S_IWGRP; |
329 | gid = gr->gr_gid; |
336 | gid = gr->gr_gid; |
330 | } |
337 | } |
331 | else |
338 | else |
332 | #endif /* TTY_GID_SUPPORT */ |
339 | #endif /* TTY_GID_SUPPORT */ |
333 | { |
340 | { |
334 | mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; |
341 | mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; |
335 | gid = 0; |
342 | gid = 0; |
336 | } |
343 | } |
337 | } |
344 | } |