app-misc/jail: Lots of bugfixes

- Handle dirs with dots (#646116)
- support openat() syscall too (#668898)
- do not pass program parameters to ldd call (#668898)
- do not duplicate jail in shells file (#668898)

Thanks-to: Alexander Zubkov
Closes: https://bugs.gentoo.org/646116
Closes: https://bugs.gentoo.org/668898
Signed-off-by: Pacho Ramos <pacho@gentoo.org>
Package-Manager: Portage-2.3.51, Repoman-2.3.11

4 files changed, 82 insertions, 0 deletions

diff --git a/app-misc/jail/files/jail-2.0-duplicate-jail.patch b/app-misc/jail/files/jail-2.0-duplicate-jail.patch
new file mode 100644
index 000000000000..1522f3aa99ec
--- /dev/null
+++ b/app-misc/jail/files/jail-2.0-duplicate-jail.patch
@@ -0,0 +1,19 @@
+commit 984f62591b264aa8ed5c17f4033ec96dbba4bf5f
+Author: Alexander Zubkov <green@qrator.net>
+Date:   Wed Oct 17 22:47:50 2018 +0200
+
+    do not duplicate jail in shells file
+
+diff --git a/lib/arch/generic/functions b/lib/arch/generic/functions
+index b1fdbc8..89cd607 100755
+--- a/lib/arch/generic/functions
++++ b/lib/arch/generic/functions
+@@ -823,7 +823,7 @@ sub add_jail_to_shells {
+   close(F);
+ 
+   for $k (@elem) {
+-    if ($k =~ /^$INSTALL_DIR\/jail/) {
++    if ($k =~ /^$INSTALL_DIR\/bin\/jail/) {
+       $found = 1;
+       last;
+     }
diff --git a/app-misc/jail/files/jail-2.0-fix-paths.patch b/app-misc/jail/files/jail-2.0-fix-paths.patch
new file mode 100644
index 000000000000..e522828e286c
--- /dev/null
+++ b/app-misc/jail/files/jail-2.0-fix-paths.patch
@@ -0,0 +1,21 @@
+commit 762cca3fd4aa754b266f928ec3fa2ad2261a831e
+Author: Alexander Zubkov <green@qrator.net>
+Date:   Mon Oct 22 20:31:04 2018 +0200
+
+    honor standalone '.' in path, split jail dir on "/./" pattern
+
+diff --git a/src/jail.c b/src/jail.c
+index 74f3eb1..3d649c4 100644
+--- a/src/jail.c
++++ b/src/jail.c
+@@ -121,8 +121,9 @@ void make_jail_dir( char*  dir )
+ {
+     for( ; *dir != '\0'; ++dir )
+     {
+-        if( *dir == '.' )
++        if( dir[0] == '/' && dir[1] == '.' && dir[2] == '/' )
+         {
++            ++dir;
+             *dir = '\0';
+             break;
+ 	}
diff --git a/app-misc/jail/files/jail-2.0-ldd-call.patch b/app-misc/jail/files/jail-2.0-ldd-call.patch
new file mode 100644
index 000000000000..22b2152066e7
--- /dev/null
+++ b/app-misc/jail/files/jail-2.0-ldd-call.patch
@@ -0,0 +1,19 @@
+commit 87867b2a117eef19500600a1f88b9caf260cfe3b
+Author: Alexander Zubkov <green@qrator.net>
+Date:   Wed Oct 17 22:38:13 2018 +0200
+
+    do not pass program parameters to ldd call
+
+diff --git a/lib/arch/generic/functions b/lib/arch/generic/functions
+index 66653c3..b0c6572 100755
+--- a/lib/arch/generic/functions
++++ b/lib/arch/generic/functions
+@@ -704,7 +704,7 @@ sub generate_dep {
+       return();
+     }
+     
+-    $query = "($ldd_cmd $p_name $p_args </dev/null 2>&1)";
++    $query = "($ldd_cmd $p_name </dev/null 2>&1)";
+     local @res_a = `$query`;
+     
+     local @items = ();
diff --git a/app-misc/jail/files/jail-2.0-openat-syscall.patch b/app-misc/jail/files/jail-2.0-openat-syscall.patch
new file mode 100644
index 000000000000..f5f1e99f6ad2
--- /dev/null
+++ b/app-misc/jail/files/jail-2.0-openat-syscall.patch
@@ -0,0 +1,23 @@
+commit 0894cc54b5b385201cdcf7ce227c6ea03d765ef9
+Author: Alexander Zubkov <green@qrator.net>
+Date:   Wed Oct 17 22:45:24 2018 +0200
+
+    support openat() syscall too
+
+diff --git a/lib/arch/generic/functions b/lib/arch/generic/functions
+index b0c6572..b1fdbc8 100755
+--- a/lib/arch/generic/functions
++++ b/lib/arch/generic/functions
+@@ -647,9 +647,9 @@ sub extract_open_from_ldd {
+ 
+   local $file;
+   local $val;
+-  if ($line =~ /^open\(\"(.+)\".+\)\s*=\s*([-]?\d+)/) {
+-    $file = $1;
+-    $val = $2;
++  if ($line =~ /^open(at)?\(\"(.+)\".+\)\s*=\s*([-]?\d+)/) {
++    $file = $2;
++    $val = $3;
+     return($file,$val);
+   }
+   return();