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Code Issues Releases Activity

Be sure to restore foreground group to parent su before parent su

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exits, otherwise shell will be confused and does not set foreground
group correctly for next su command. This sounds like a bug in sh.
This commit is contained in:
David Xu 2003-11-04 14:51:34 +00:00
parent 155ea0634c
commit 7430623f55
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122061
1 changed files with 2 additions and 1 deletions
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3
usr.bin/su/su.c
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@ -363,7 +363,7 @@ main(int argc, char *argv[])
sigaction(SIGTTOU, &sa, NULL);
close(fds[0]);
setpgid(child_pid, child_pid);
tcsetpgrp(1, child_pid);
tcsetpgrp(STDERR_FILENO, child_pid);
close(fds[1]);
sigaction(SIGPIPE, &sa_pipe, NULL);
while ((pid = waitpid(child_pid, &statusp, WUNTRACED)) != -1) {
@ -377,6 +377,7 @@ main(int argc, char *argv[])
}
break;
}
tcsetpgrp(STDERR_FILENO, getpgrp());
if (pid == -1)
err(1, "waitpid");
PAM_END();