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groups: new applet

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Signed-off-by: Tito Ragusa <farmatito@tiscali.it>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Tito Ragusa
2011-06-21 17:11:40 +02:00
committed by Denys Vlasenko
parent 561f9c8585
commit 33092f1003
4 changed files with 36 additions and 12 deletions
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40
coreutils/id.c
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@@ -15,6 +15,24 @@
* Added -G option Tito Ragusa (C) 2008 for SUSv3.
*/
//config:config ID
//config: bool "id"
//config: default y
//config: help
//config: id displays the current user and group ID names.
//config:config GROUPS
//config: bool "groups"
//config: default y
//config: help
//config: Print the group names associated with current user id.
//kbuild:lib-$(CONFIG_GROUPS) += id.o
//kbuild:lib-$(CONFIG_ID) += id.o
//applet:IF_GROUPS(APPLET_ODDNAME(groups, id, BB_DIR_USR_BIN, BB_SUID_DROP, groups))
//applet:IF_ID(APPLET_NOEXEC(id, id, BB_DIR_USR_BIN, BB_SUID_DROP, id))
//usage:#define id_trivial_usage
//usage: "[OPTIONS] [USER]"
//usage:#define id_full_usage "\n\n"
@@ -32,6 +50,15 @@
//usage: "$ id\n"
//usage: "uid=1000(andersen) gid=1000(andersen)\n"
//usage:#define groups_trivial_usage
//usage: "[USER]"
//usage:#define groups_full_usage "\n\n"
//usage: "Print the group memberships of USER or for the current process"
//usage:
//usage:#define groups_example_usage
//usage: "$ groups\n"
//usage: "andersen lp dialout cdrom floppy\n"
#include "libbb.h"
/* This is a NOEXEC applet. Be very careful! */
@@ -135,11 +162,16 @@ int id_main(int argc UNUSED_PARAM, char **argv)
#if ENABLE_SELINUX
security_context_t scontext = NULL;
#endif
/* Don't allow -n -r -nr -ug -rug -nug -rnug -uZ -gZ -GZ*/
/* Don't allow more than one username */
opt_complementary = "?1:u--g:g--u:G--u:u--G:g--G:G--g:r?ugG:n?ugG"
if (ENABLE_GROUPS && (!ENABLE_ID || applet_name[0] == 'g')) {
option_mask32 = opt = getopt32(argv, "") | JUST_ALL_GROUPS | NAME_NOT_NUMBER;
} else {
/* Don't allow -n -r -nr -ug -rug -nug -rnug -uZ -gZ -GZ*/
/* Don't allow more than one username */
opt_complementary = "?1:u--g:g--u:G--u:u--G:g--G:G--g:r?ugG:n?ugG"
IF_SELINUX(":u--Z:Z--u:g--Z:Z--g:G--Z:Z--G");
opt = getopt32(argv, "rnugG" IF_SELINUX("Z"));
opt = getopt32(argv, "rnugG" IF_SELINUX("Z"));
}
username = argv[optind];
if (username) {