From 1e752ae33791652d050e7d03e6d8e9df3fb459e3 Mon Sep 17 00:00:00 2001
From: Santtu Lakkala <inz@inz.fi>
Date: Thu, 17 Feb 2022 18:11:35 +0200
Subject: [PATCH] Open url from clipboard

Based on the previous versions of the patch, but uses double-fork/execlp
instead of system() to avoid potential shell escaping issues and make
the command line building unnecessary.
---
 config.def.h |  1 +
 st.c         |  2 +-
 st.h         |  1 +
 x.c          | 21 +++++++++++++++++++++
 4 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/config.def.h b/config.def.h
index 91ab8ca..a696ec7 100644
--- a/config.def.h
+++ b/config.def.h
@@ -201,6 +201,7 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
 	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
+	{ MODKEY,               XK_o,           opencopied,     {.v = "xdg-open"} },
 };
 
 /*
diff --git a/st.c b/st.c
index 51049ba..4fbc5c8 100644
--- a/st.c
+++ b/st.c
@@ -810,7 +810,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 		break;
 	default:
 #ifdef __OpenBSD__
-		if (pledge("stdio rpath tty proc", NULL) == -1)
+		if (pledge("stdio rpath tty proc exec", NULL) == -1)
 			die("pledge\n");
 #endif
 		close(s);
diff --git a/st.h b/st.h
index 519b9bd..3b4b395 100644
--- a/st.h
+++ b/st.h
@@ -81,6 +81,7 @@ void die(const char *, ...);
 void redraw(void);
 void draw(void);
 
+void opencopied(const Arg *);
 void printscreen(const Arg *);
 void printsel(const Arg *);
 void sendbreak(const Arg *);
diff --git a/x.c b/x.c
index 8a16faa..3a4e5f0 100644
--- a/x.c
+++ b/x.c
@@ -5,6 +5,7 @@
 #include <locale.h>
 #include <signal.h>
 #include <sys/select.h>
+#include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
 #include <libgen.h>
@@ -2078,3 +2079,23 @@ run:
 
 	return 0;
 }
+
+void
+opencopied(const Arg *arg)
+{
+	char * const clip = xsel.clipboard;
+	pid_t chpid;
+
+	if(!clip) {
+		fprintf(stderr, "Warning: nothing copied to clipboard\n");
+		return;
+	}
+
+	if ((chpid = fork()) == 0) {
+		if (fork() == 0)
+			execlp(arg->v, arg->v, clip, NULL);
+		exit(1);
+	}
+	if (chpid > 0)
+		waitpid(chpid, NULL, 0);
+}
-- 
2.32.0