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| author | Karel Zak | 2017-08-23 13:50:04 +0200 |
|---|---|---|
| committer | Karel Zak | 2017-09-18 11:49:11 +0200 |
| commit | 927ded6be6bddefb57909a1c24255ac23643b6dc (patch) | |
| tree | f30ee70c21e8733a6e8bd9ac3545c5e903518548 /login-utils | |
| parent | su: add more informartion to man page (diff) | |
| download | kernel-qcow2-util-linux-927ded6be6bddefb57909a1c24255ac23643b6dc.tar.gz kernel-qcow2-util-linux-927ded6be6bddefb57909a1c24255ac23643b6dc.tar.xz kernel-qcow2-util-linux-927ded6be6bddefb57909a1c24255ac23643b6dc.zip | |
su: enable TIOCSCTTY and minor changes
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'login-utils')
| -rw-r--r-- | login-utils/su-common.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/login-utils/su-common.c b/login-utils/su-common.c index 7725d1558..6c5c6eb77 100644 --- a/login-utils/su-common.c +++ b/login-utils/su-common.c @@ -227,7 +227,7 @@ static void pty_init_slave(struct su_context *su) { DBG(PTY, ul_debug("initialize slave")); - ioctl(su->pty_slave, TIOCSCTTY, 0); + ioctl(su->pty_slave, TIOCSCTTY, 1); close(su->pty_master); dup2(su->pty_slave, STDIN_FILENO); @@ -1074,7 +1074,7 @@ static void usage_common(void) " and do not create a new session\n"), stdout); fputs(_(" -f, --fast pass -f to the shell (for csh or tcsh)\n"), stdout); fputs(_(" -s, --shell <shell> run <shell> if /etc/shells allows it\n"), stdout); - fputs(_(" -P, --pty create pseudo-terminal session\n"), stdout); + fputs(_(" -P, --pty create a new pseudo-terminal\n"), stdout); fputs(USAGE_SEPARATOR, stdout); printf(USAGE_HELP_OPTIONS(33)); @@ -1386,8 +1386,10 @@ int su_main(int argc, char **argv, int mode) /* Now we're in the child. */ change_identity(su->pwd); - if (!su->same_session || su->pty) + if (!su->same_session || su->pty) { + DBG(MISC, ul_debug("call setsid()")); setsid(); + } if (su->pty) pty_init_slave(su); |