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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> |
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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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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 | } |