From 9c7ceb23bb9ffaa40af2c7bb50130bb66c607593 Mon Sep 17 00:00:00 2001
From: Klemens Nanni <klemens@posteo.de>
Date: Sun, 13 Jun 2021 02:28:15 +0000
Subject: /exec without controlling terminal

Otherwise "/exec sh </dev/tty" takes over and catgirl must effectively
be killed to stop the madness;  with this diff:

	catgirl  input| /exec sh </dev/tty
	catgirl output| /bin/sh: cannot open /dev/tty: Device not configured
	catgirl output| Process exits with status 1

Do the same for `-C/Copy', `-N/notify' and `-O/open' alike.
---
 command.c | 1 +
 ui.c      | 1 +
 url.c     | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/command.c b/command.c
index 4c290fc..b345e11 100644
--- a/command.c
+++ b/command.c
@@ -472,6 +472,7 @@ static void commandExec(uint id, char *params) {
 	if (pid < 0) err(EX_OSERR, "fork");
 	if (pid) return;
 
+	setsid();
 	close(STDIN_FILENO);
 	dup2(execPipe[1], STDOUT_FILENO);
 	dup2(utilPipe[1], STDERR_FILENO);
diff --git a/ui.c b/ui.c
index 1b21cc5..8f8de1e 100644
--- a/ui.c
+++ b/ui.c
@@ -567,6 +567,7 @@ static void notify(uint id, const char *str) {
 	if (pid < 0) err(EX_OSERR, "fork");
 	if (pid) return;
 
+	setsid();
 	close(STDIN_FILENO);
 	dup2(utilPipe[1], STDOUT_FILENO);
 	dup2(utilPipe[1], STDERR_FILENO);
diff --git a/url.c b/url.c
index 9de2f9a..219a83c 100644
--- a/url.c
+++ b/url.c
@@ -123,6 +123,7 @@ static void urlOpen(const char *url) {
 	if (pid < 0) err(EX_OSERR, "fork");
 	if (pid) return;
 
+	setsid();
 	close(STDIN_FILENO);
 	dup2(utilPipe[1], STDOUT_FILENO);
 	dup2(utilPipe[1], STDERR_FILENO);
@@ -174,6 +175,7 @@ static void urlCopy(const char *url) {
 		return;
 	}
 
+	setsid();
 	dup2(rw[0], STDIN_FILENO);
 	dup2(utilPipe[1], STDOUT_FILENO);
 	dup2(utilPipe[1], STDERR_FILENO);
-- 
cgit 1.4.1

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<div class='path'>path: <a href='/src/log/?id=29b9e544822bebe86e91a7fe328acc080a2f8053&amp;showmsg=1&amp;follow=1'>root</a>/<a href='/src/log/etc?id=29b9e544822bebe86e91a7fe328acc080a2f8053&amp;showmsg=1&amp;follow=1'>etc</a>/<a href='/src/log/etc/Go-Mono-Bold-Italic.ttf?id=29b9e544822bebe86e91a7fe328acc080a2f8053&amp;showmsg=1&amp;follow=1'>Go-Mono-Bold-Italic.ttf</a> (<a href='/src/log/etc/Go-Mono-Bold-Italic.ttf?id=29b9e544822bebe86e91a7fe328acc080a2f8053&amp;showmsg=1'>unfollow</a>)</div><div class='content'><table class='list nowrap'><tr class='nohover'><th></th><th class='left'>Commit message (<a href='/src/log/etc/Go-Mono-Bold-Italic.ttf?id=29b9e544822bebe86e91a7fe328acc080a2f8053&amp;follow=1'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2019-02-17 14:38:11 -0500'>2019-02-17</span></td><td class='logsubject'><a href='/src/commit/bin/man1/hi.1?id=bacacf6678168f3b3d0657c4fbbcac0edcb5c799&amp;follow=1'>Add line numbers to hi</a></td><td>June McEnroe</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
Renames previous -n option to -m to stay consistent with cat -n.
Prefixing lines with line numbers affects where the first tab indent
ends up relative to the text above it. Not sure if it's worth fixing
somehow.


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<tr class='logheader'><td><span title='2019-02-17 12:06:59 -0500'>2019-02-17</span></td><td class='logsubject'><a href='/src/commit/bin/hi.c?id=33edc48545063f8337263655258919d4ab141dd7&amp;follow=1'>Always split spans after newlines</a></td><td>June McEnroe</td></tr>
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Simplifies ANSI and IRC output code, and prepares for line numbered
output.


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<tr class='logheader'><td><span title='2019-02-15 18:13:04 -0500'>2019-02-15</span></td><td class='logsubject'><a href='/src/commit/home/.config/nvim/colors/trivial.vim?id=1ecb763dfab0211997ad8773b53eada147b49492&amp;follow=1'>Color format specifiers light cyan in vim</a></td><td>June McEnroe</td></tr>
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<tr class='logheader'><td><span title='2019-02-15 17:48:05 -0500'>2019-02-15</span></td><td class='logsubject'><a href='/src/commit/bin/hi.c?id=8dbe7a1939daec1b491c733786811c4c9198302a&amp;follow=1'>Highlight Interp as yellow</a></td><td>June McEnroe</td></tr>
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<tr class='logheader'><td><span title='2019-02-15 17:47:44 -0500'>2019-02-15</span></td><td class='logsubject'><a href='/src/commit/bin/hi.c?id=707986c7b822808e0dcb0d556438fd91bc6ba797&amp;follow=1'>Highlight strings in sh command substitutions</a></td><td>June McEnroe</td></tr>
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<tr class='logheader'><td><span title='2019-02-15 15:26:05 -0500'>2019-02-15</span></td><td class='logsubject'><a href='/src/commit/home/.config/nvim/init.vim?id=6f610de2170a7b64707f5e4ae9f02d4882ab9e31&amp;follow=1'>Add nmap gp</a></td><td>June McEnroe</td></tr>
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<tr class='logheader'><td><span title='2019-02-14 02:16:27 -0500'>2019-02-14</span></td><td class='logsubject'><a href='/src/commit/bin/up.sh?id=ae63d67bfd28c9addadea8a05258c54ffcc9a3a9&amp;follow=1'>Avoid newline when copying URL to pasteboard</a></td><td>June McEnroe</td></tr>
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</td></tr>
<tr class='logheader'><td><span title='2019-02-13 23:30:53 -0500'>2019-02-13</span></td><td class='logsubject'><a href='/src/commit/txt/books.txt?id=3f877738c027b1da0f00903599492dc3de88df4b&amp;follow=1'>Add forgotten "sixth" book of H2G2</a></td><td>June McEnroe