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-rw-r--r--community/polkit/make-innetgr-optional.patch239
1 files changed, 239 insertions, 0 deletions
diff --git a/community/polkit/make-innetgr-optional.patch b/community/polkit/make-innetgr-optional.patch
new file mode 100644
index 00000000000..8459c670ba5
--- /dev/null
+++ b/community/polkit/make-innetgr-optional.patch
@@ -0,0 +1,239 @@
+See https://gitlab.freedesktop.org/polkit/polkit/merge_requests/10
+
+From 778bb45e0e0cbabe2b04adf67a500af1dab09768 Mon Sep 17 00:00:00 2001
+From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
+Date: Wed, 11 Jul 2018 04:54:26 -0500
+Subject: [PATCH] make netgroup support optional
+
+On at least Linux/musl and Linux/uclibc, netgroup support is not
+available. PolKit fails to compile on these systems for that reason.
+
+This change makes netgroup support conditional on the presence of the
+setnetgrent(3) function which is required for the support to work. If
+that function is not available on the system, an error will be returned
+to the administrator if unix-netgroup: is specified in configuration.
+
+Fixes bug 50145.
+
+Closes polkit/polkit#14.
+
+Signed-off-by: A. Wilcox <AWilcox@Wilcox-Tech.com>
+---
+diff --git a/configure.ac b/configure.ac
+index 4ac2219..ca478df 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -100,7 +100,7 @@ AC_CHECK_LIB(expat,XML_ParserCreate,[EXPAT_LIBS="-lexpat"],
+ [AC_MSG_ERROR([Can't find expat library. Please install expat.])])
+ AC_SUBST(EXPAT_LIBS)
+
+-AC_CHECK_FUNCS(clearenv fdatasync)
++AC_CHECK_FUNCS(clearenv fdatasync setnetgrent)
+
+ if test "x$GCC" = "xyes"; then
+ LDFLAGS="-Wl,--as-needed $LDFLAGS"
+diff --git a/src/polkit/polkitidentity.c b/src/polkit/polkitidentity.c
+index 3aa1f7f..10e9c17 100644
+--- a/src/polkit/polkitidentity.c
++++ b/src/polkit/polkitidentity.c
+@@ -182,7 +182,15 @@ polkit_identity_from_string (const gchar *str,
+ }
+ else if (g_str_has_prefix (str, "unix-netgroup:"))
+ {
++#ifndef HAVE_SETNETGRENT
++ g_set_error (error,
++ POLKIT_ERROR,
++ POLKIT_ERROR_FAILED,
++ "Netgroups are not available on this machine ('%s')",
++ str);
++#else
+ identity = polkit_unix_netgroup_new (str + sizeof "unix-netgroup:" - 1);
++#endif
+ }
+
+ if (identity == NULL && (error != NULL && *error == NULL))
+@@ -344,6 +352,13 @@ polkit_identity_new_for_gvariant (GVariant *variant,
+ GVariant *v;
+ const char *name;
+
++#ifndef HAVE_SETNETGRENT
++ g_set_error (error,
++ POLKIT_ERROR,
++ POLKIT_ERROR_FAILED,
++ "Netgroups are not available on this machine");
++ goto out;
++#else
+ v = lookup_asv (details_gvariant, "name", G_VARIANT_TYPE_STRING, error);
+ if (v == NULL)
+ {
+@@ -353,6 +368,7 @@ polkit_identity_new_for_gvariant (GVariant *variant,
+ name = g_variant_get_string (v, NULL);
+ ret = polkit_unix_netgroup_new (name);
+ g_variant_unref (v);
++#endif
+ }
+ else
+ {
+diff --git a/src/polkit/polkitunixnetgroup.c b/src/polkit/polkitunixnetgroup.c
+index 8a2b369..83f8d4a 100644
+--- a/src/polkit/polkitunixnetgroup.c
++++ b/src/polkit/polkitunixnetgroup.c
+@@ -194,6 +194,9 @@ polkit_unix_netgroup_set_name (PolkitUnixNetgroup *group,
+ PolkitIdentity *
+ polkit_unix_netgroup_new (const gchar *name)
+ {
++#ifndef HAVE_SETNETGRENT
++ g_assert_not_reached();
++#endif
+ g_return_val_if_fail (name != NULL, NULL);
+ return POLKIT_IDENTITY (g_object_new (POLKIT_TYPE_UNIX_NETGROUP,
+ "name", name,
+diff --git a/src/polkitbackend/polkitbackendinteractiveauthority.c b/src/polkitbackend/polkitbackendinteractiveauthority.c
+index 056d9a8..36c2f3d 100644
+--- a/src/polkitbackend/polkitbackendinteractiveauthority.c
++++ b/src/polkitbackend/polkitbackendinteractiveauthority.c
+@@ -2233,25 +2233,26 @@ get_users_in_net_group (PolkitIdentity *group,
+ GList *ret;
+
+ ret = NULL;
++#ifdef HAVE_SETNETGRENT
+ name = polkit_unix_netgroup_get_name (POLKIT_UNIX_NETGROUP (group));
+
+-#ifdef HAVE_SETNETGRENT_RETURN
++# ifdef HAVE_SETNETGRENT_RETURN
+ if (setnetgrent (name) == 0)
+ {
+ g_warning ("Error looking up net group with name %s: %s", name, g_strerror (errno));
+ goto out;
+ }
+-#else
++# else
+ setnetgrent (name);
+-#endif
++# endif /* HAVE_SETNETGRENT_RETURN */
+
+ for (;;)
+ {
+-#if defined(HAVE_NETBSD) || defined(HAVE_OPENBSD)
++# if defined(HAVE_NETBSD) || defined(HAVE_OPENBSD)
+ const char *hostname, *username, *domainname;
+-#else
++# else
+ char *hostname, *username, *domainname;
+-#endif
++# endif /* defined(HAVE_NETBSD) || defined(HAVE_OPENBSD) */
+ PolkitIdentity *user;
+ GError *error = NULL;
+
+@@ -2282,6 +2283,7 @@ get_users_in_net_group (PolkitIdentity *group,
+
+ out:
+ endnetgrent ();
++#endif /* HAVE_SETNETGRENT */
+ return ret;
+ }
+
+diff --git a/src/polkitbackend/polkitbackendjsauthority.cpp b/src/polkitbackend/polkitbackendjsauthority.cpp
+index ca17108..da95180 100644
+--- a/src/polkitbackend/polkitbackendjsauthority.cpp
++++ b/src/polkitbackend/polkitbackendjsauthority.cpp
+@@ -1520,6 +1520,7 @@ js_polkit_user_is_in_netgroup (JSContext *cx,
+
+ JS::CallArgs args = JS::CallArgsFromVp (argc, vp);
+
++#ifdef HAVE_SETNETGRENT
+ JS::RootedString usrstr (authority->priv->cx);
+ usrstr = args[0].toString();
+ user = JS_EncodeStringToUTF8 (cx, usrstr);
+@@ -1534,6 +1535,7 @@ js_polkit_user_is_in_netgroup (JSContext *cx,
+ {
+ is_in_netgroup = true;
+ }
++ #endif
+
+ ret = true;
+
+diff --git a/test/polkit/polkitidentitytest.c b/test/polkit/polkitidentitytest.c
+index e91967b..e829aaa 100644
+--- a/test/polkit/polkitidentitytest.c
++++ b/test/polkit/polkitidentitytest.c
+@@ -19,6 +19,7 @@
+ * Author: Nikki VonHollen <vonhollen@google.com>
+ */
+
++#include "config.h"
+ #include "glib.h"
+ #include <polkit/polkit.h>
+ #include <polkit/polkitprivate.h>
+@@ -145,11 +146,15 @@ struct ComparisonTestData comparison_test_data [] = {
+ {"unix-group:root", "unix-group:jane", FALSE},
+ {"unix-group:jane", "unix-group:jane", TRUE},
+
++#ifdef HAVE_SETNETGRENT
+ {"unix-netgroup:foo", "unix-netgroup:foo", TRUE},
+ {"unix-netgroup:foo", "unix-netgroup:bar", FALSE},
++#endif
+
+ {"unix-user:root", "unix-group:root", FALSE},
++#ifdef HAVE_SETNETGRENT
+ {"unix-user:jane", "unix-netgroup:foo", FALSE},
++#endif
+
+ {NULL},
+ };
+@@ -181,11 +186,13 @@ main (int argc, char *argv[])
+ g_test_add_data_func ("/PolkitIdentity/group_string_2", "unix-group:jane", test_string);
+ g_test_add_data_func ("/PolkitIdentity/group_string_3", "unix-group:users", test_string);
+
++#ifdef HAVE_SETNETGRENT
+ g_test_add_data_func ("/PolkitIdentity/netgroup_string", "unix-netgroup:foo", test_string);
++ g_test_add_data_func ("/PolkitIdentity/netgroup_gvariant", "unix-netgroup:foo", test_gvariant);
++#endif
+
+ g_test_add_data_func ("/PolkitIdentity/user_gvariant", "unix-user:root", test_gvariant);
+ g_test_add_data_func ("/PolkitIdentity/group_gvariant", "unix-group:root", test_gvariant);
+- g_test_add_data_func ("/PolkitIdentity/netgroup_gvariant", "unix-netgroup:foo", test_gvariant);
+
+ add_comparison_tests ();
+
+diff --git a/test/polkit/polkitunixnetgrouptest.c b/test/polkit/polkitunixnetgrouptest.c
+index 3701ba1..e3352eb 100644
+--- a/test/polkit/polkitunixnetgrouptest.c
++++ b/test/polkit/polkitunixnetgrouptest.c
+@@ -19,6 +19,7 @@
+ * Author: Nikki VonHollen <vonhollen@google.com>
+ */
+
++#include "config.h"
+ #include "glib.h"
+ #include <polkit/polkit.h>
+ #include <string.h>
+@@ -69,7 +70,9 @@ int
+ main (int argc, char *argv[])
+ {
+ g_test_init (&argc, &argv, NULL);
++#ifdef HAVE_SETNETGRENT
+ g_test_add_func ("/PolkitUnixNetgroup/new", test_new);
+ g_test_add_func ("/PolkitUnixNetgroup/set_name", test_set_name);
++#endif
+ return g_test_run ();
+ }
+diff --git a/test/polkitbackend/test-polkitbackendjsauthority.c b/test/polkitbackend/test-polkitbackendjsauthority.c
+index f97e0e0..fc52149 100644
+--- a/test/polkitbackend/test-polkitbackendjsauthority.c
++++ b/test/polkitbackend/test-polkitbackendjsauthority.c
+@@ -137,12 +137,14 @@ test_get_admin_identities (void)
+ "unix-group:users"
+ }
+ },
++#ifdef HAVE_SETNETGRENT
+ {
+ "net.company.action3",
+ {
+ "unix-netgroup:foo"
+ }
+ },
++#endif
+ };
+ guint n;
+
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