File mtr-0.82-capabilities.patch of Package mtr

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File mtr-0.82-capabilities.patch of Package mtr

Common subdirectories: mtr-0.85_p20140126.old/autom4te.cache and mtr-0.85_p20140126/autom4te.cache
diff -u mtr-0.85_p20140126.old/configure.ac mtr-0.85_p20140126/configure.ac
--- mtr-0.85_p20140126.old/configure.ac	2014-09-02 16:58:46.951616922 +0200
+++ mtr-0.85_p20140126/configure.ac	2014-09-02 17:06:50.288651060 +0200
@@ -26,6 +26,10 @@
 AC_CHECK_LIB(termcap, tgetent)
 AC_CHECK_LIB(tinfo, tgetent)
 
+AC_CHECK_LIB(cap, cap_init,
+	AC_DEFINE(HAVE_CAPABILITIES, 1, capability support)
+	LIBS="$LIBS -lcap", AC_MSG_WARN(No capability support available.))
+
 AC_CHECK_FUNC(initscr, , 
   AC_CHECK_LIB(ncurses, initscr, , 
     AC_CHECK_LIB(curses, initscr, , 
Common subdirectories: mtr-0.85_p20140126.old/.git and mtr-0.85_p20140126/.git
Common subdirectories: mtr-0.85_p20140126.old/img and mtr-0.85_p20140126/img
diff -u mtr-0.85_p20140126.old/mtr.c mtr-0.85_p20140126/mtr.c
--- mtr-0.85_p20140126.old/mtr.c	2014-09-02 16:58:46.951616922 +0200
+++ mtr-0.85_p20140126/mtr.c	2014-09-02 17:06:50.288651060 +0200
@@ -46,6 +46,9 @@
 #include "asn.h"
 #include "version.h"
 
+#ifdef HAVE_CAPABILITIES
+#include <sys/capability.h>
+#endif
 
 #ifdef ENABLE_IPV6
 #define DEFAULT_AF AF_UNSPEC
@@ -555,6 +558,18 @@
     exit( EXIT_FAILURE );
   }
 
+   /* ported from ping */
+#ifdef HAVE_CAPABILITIES
+   {
+	cap_t caps = cap_init();
+	if (cap_set_proc(caps) < 0) {
+		fprintf (stderr, "mtr: Unable to drop capabilities.\n");
+		exit(1);
+	}
+	cap_free(caps);
+   }
+#endif
+
   /*  Now drop to user permissions  */
   if (setgid(getgid()) || setuid(getuid())) {
     fprintf (stderr, "mtr: Unable to drop permissions.\n");

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File mtr-0.82-capabilities.patch of Package mtr

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