[PATCH] implement groups applet (v2)
Tanguy Pruvot
tanguy.pruvot at gmail.com
Mon Jun 20 16:28:21 UTC 2011
>From e76c1e9268c7bb28598ff1dbc36b0ca7e1729abb Mon Sep 17 00:00:00 2001
From: Tanguy Pruvot <tanguy.pruvot at gmail.com>
Date: Mon, 20 Jun 2011 16:07:31 +0200
Subject: [PATCH] implement groups applet (v2)
Signed-off-by: Tanguy Pruvot <tanguy.pruvot at gmail.com>
---
coreutils/Config.src | 7 +++++++
coreutils/Kbuild.src | 1 +
coreutils/groups.c | 40 ++++++++++++++++++++++++++++++++++++++++
include/applets.src.h | 1 +
4 files changed, 49 insertions(+), 0 deletions(-)
create mode 100644 coreutils/groups.c
diff --git a/coreutils/Config.src b/coreutils/Config.src
index 1843e8b..a234b38 100644
--- a/coreutils/Config.src
+++ b/coreutils/Config.src
@@ -269,6 +269,13 @@ config FEATURE_FANCY_HEAD
help
This enables the head options (-c, -q, and -v).
+config GROUPS
+ bool "groups"
+ default y
+ depends on ID
+ help
+ Print the group names associated with the current user id
+
config HOSTID
bool "hostid"
default y
diff --git a/coreutils/Kbuild.src b/coreutils/Kbuild.src
index 6a41c83..361f3e6 100644
--- a/coreutils/Kbuild.src
+++ b/coreutils/Kbuild.src
@@ -44,6 +44,7 @@ lib-$(CONFIG_LN) += ln.o
lib-$(CONFIG_LOGNAME) += logname.o
lib-$(CONFIG_LS) += ls.o
lib-$(CONFIG_FTPD) += ls.o
+lib-$(CONFIG_GROUPS) += groups.o
lib-$(CONFIG_MD5SUM) += md5_sha1_sum.o
lib-$(CONFIG_MKDIR) += mkdir.o
lib-$(CONFIG_MKFIFO) += mkfifo.o
diff --git a/coreutils/groups.c b/coreutils/groups.c
new file mode 100644
index 0000000..ab07ee2
--- /dev/null
+++ b/coreutils/groups.c
@@ -0,0 +1,40 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini groups implementation for busybox
+ *
+ * Copyright (C) 2011 Tanguy Pruvot <tanguy.pruvot at gmail.com>.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
+ */
+
+/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
+
+//usage:#define groups_trivial_usage
+//usage: ""
+//usage:#define groups_full_usage "\n\n"
+//usage: "Print the group names associated with the current user id"
+
+#include "libbb.h"
+
+extern int id_main(int argc, char **argv);
+
+int groups_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int groups_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
+{
+ char *id_argv[3];
+ int ret;
+
+ if (argv[1])
+ bb_show_usage();
+
+ id_argv[0] = xstrdup("id");
+ id_argv[1] = xstrdup("-Gn");
+ id_argv[2] = 0;
+
+ ret = id_main(2, id_argv);
+
+ free(id_argv[1]);
+ free(id_argv[0]);
+
+ return ret;
+}
diff --git a/include/applets.src.h b/include/applets.src.h
index 133f376..c3775fb 100644
--- a/include/applets.src.h
+++ b/include/applets.src.h
@@ -170,6 +170,7 @@ IF_GETENFORCE(APPLET(getenforce, BB_DIR_USR_SBIN,
BB_SUID_DROP))
IF_GETOPT(APPLET(getopt, BB_DIR_BIN, BB_SUID_DROP))
IF_GETSEBOOL(APPLET(getsebool, BB_DIR_USR_SBIN, BB_SUID_DROP))
IF_GETTY(APPLET(getty, BB_DIR_SBIN, BB_SUID_DROP))
+IF_GROUPS(APPLET_NOEXEC(groups, groups, BB_DIR_USR_BIN, BB_SUID_DROP, groups))
IF_GUNZIP(APPLET(gunzip, BB_DIR_BIN, BB_SUID_DROP))
IF_GZIP(APPLET(gzip, BB_DIR_BIN, BB_SUID_DROP))
IF_HD(APPLET_NOEXEC(hd, hexdump, BB_DIR_USR_BIN, BB_SUID_DROP, hd))
--
1.7.5.3
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