From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Wed, 2 Feb 2011 19:26:41 +0000 (-0500)
Subject: In non-pty mode before continuing the child, make it the foreground
X-Git-Tag: SUDO_1_7_5~38
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8020b162e164c44fe758e5c2197e56225fb2955a;p=sudo

In non-pty mode before continuing the child, make it the foreground
pgrp if possible.  Fixes resuming a shell.

--HG--
branch : 1.7
---

diff --git a/exec.c b/exec.c
index d9c3608b0..4b402213d 100644
--- a/exec.c
+++ b/exec.c
@@ -498,6 +498,18 @@ handle_signals(fd, child, cstat)
 	    } else
 #endif
 	    {
+		if (signo == SIGCONT) {
+		    /*
+		     * Before continuing the child, make it the foreground
+		     * pgrp if possible.  Fixes resuming a shell.
+		     */
+		    int fd = open(_PATH_TTY, O_RDWR|O_NOCTTY, 0);
+		    if (fd != -1) {
+			if (tcgetpgrp(fd) == getpgrp())
+			    (void)tcsetpgrp(fd, child);
+			close(fd);
+		    }
+		}
 		/* Nothing listening on sv[0], send directly. */
 		kill(child, signo);
 	    }