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| author | Ulrich Drepper <drepper@redhat.com> | 2009-06-16 15:58:07 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-06-16 15:58:07 -0700 |
| commit | f793b62438a3cfdbcc5ba453eebee1db3f315bea (patch) | |
| tree | c0c8cf38a5c5293bfc05af20ab797e2496137158 /sysdeps | |
| parent | fab8238de69de67637d21923b3ec1c26e4ce8450 (diff) | |
| download | glibc-f793b62438a3cfdbcc5ba453eebee1db3f315bea.tar.gz glibc-f793b62438a3cfdbcc5ba453eebee1db3f315bea.tar.xz glibc-f793b62438a3cfdbcc5ba453eebee1db3f315bea.zip | |
Extend pt_chown to drop privileges.
If libcap is available, use it to drop privileges in pt_chown before starting the work to change the permissions and ownership of the slave device.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/pty-private.h | 5 | ||||
| -rw-r--r-- | sysdeps/unix/grantpt.c | 5 |
2 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/generic/pty-private.h b/sysdeps/generic/pty-private.h index d6ec2cee68..493f40551d 100644 --- a/sysdeps/generic/pty-private.h +++ b/sysdeps/generic/pty-private.h @@ -1,5 +1,5 @@ /* Internal defenitions and declarations for pseudo terminal functions. - Copyright (C) 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. @@ -39,7 +39,8 @@ enum /* failure modes */ FAIL_EBADF = 1, FAIL_EINVAL, FAIL_EACCES, - FAIL_EXEC + FAIL_EXEC, + FAIL_ENOMEM }; #endif /* pty-private.h */ diff --git a/sysdeps/unix/grantpt.c b/sysdeps/unix/grantpt.c index f664b9eb1b..8c299e9147 100644 --- a/sysdeps/unix/grantpt.c +++ b/sysdeps/unix/grantpt.c @@ -202,7 +202,7 @@ grantpt (int fd) if (!WIFEXITED (w)) __set_errno (ENOEXEC); else - switch (WEXITSTATUS(w)) + switch (WEXITSTATUS (w)) { case 0: retval = 0; @@ -219,6 +219,9 @@ grantpt (int fd) case FAIL_EXEC: __set_errno (ENOEXEC); break; + case FAIL_ENOMEM: + __set_errno (ENOMEM); + break; default: assert(! "getpt: internal error: invalid exit code from pt_chown"); |