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Diffstat (limited to 'i/pc104/initrd/conf/busybox/coreutils/id.c')
-rw-r--r--i/pc104/initrd/conf/busybox/coreutils/id.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/coreutils/id.c b/i/pc104/initrd/conf/busybox/coreutils/id.c
new file mode 100644
index 0000000..8a60419
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/coreutils/id.c
@@ -0,0 +1,130 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini id implementation for busybox
+ *
+ * Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
+/* Hacked by Tito Ragusa (C) 2004 to handle usernames of whatever length and to
+ * be more similar to GNU id.
+ * -Z option support: by Yuichi Nakamura <ynakam@hitachisoft.jp>
+ */
+
+#include "busybox.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#define PRINT_REAL 1
+#define NAME_NOT_NUMBER 2
+#define JUST_USER 4
+#define JUST_GROUP 8
+#if ENABLE_SELINUX
+#define JUST_CONTEXT 16
+#endif
+
+static short printf_full(unsigned int id, const char *arg, const char prefix)
+{
+ const char *fmt = "%cid=%u";
+ short status = EXIT_FAILURE;
+
+ if (arg) {
+ fmt = "%cid=%u(%s)";
+ status = EXIT_SUCCESS;
+ }
+ printf(fmt, prefix, id, arg);
+ return status;
+}
+
+int id_main(int argc, char **argv);
+int id_main(int argc, char **argv)
+{
+ struct passwd *p;
+ uid_t uid;
+ gid_t gid;
+ unsigned long flags;
+ short status;
+#if ENABLE_SELINUX
+ security_context_t scontext;
+#endif
+ /* Don't allow -n -r -nr -ug -rug -nug -rnug */
+ /* Don't allow more than one username */
+ opt_complementary = "?1:?:u--g:g--u:r?ug:n?ug" USE_SELINUX(":u--Z:Z--u:g--Z:Z--g");
+ flags = getopt32(argc, argv, "rnug" USE_SELINUX("Z"));
+
+ /* This values could be overwritten later */
+ uid = geteuid();
+ gid = getegid();
+ if (flags & PRINT_REAL) {
+ uid = getuid();
+ gid = getgid();
+ }
+
+ if (argv[optind]) {
+ p = getpwnam(argv[optind]);
+ /* xuname2uid is needed because it exits on failure */
+ uid = xuname2uid(argv[optind]);
+ gid = p->pw_gid;
+ /* in this case PRINT_REAL is the same */
+ }
+
+ if (flags & (JUST_GROUP | JUST_USER USE_SELINUX(| JUST_CONTEXT))) {
+ /* JUST_GROUP and JUST_USER are mutually exclusive */
+ if (flags & NAME_NOT_NUMBER) {
+ /* bb_getpwuid and bb_getgrgid exit on failure so puts cannot segfault */
+ puts((flags & JUST_USER) ? bb_getpwuid(NULL, uid, -1 ) : bb_getgrgid(NULL, gid, -1 ));
+ } else {
+ if (flags & JUST_USER) {
+ printf("%u\n", uid);
+ }
+ if (flags & JUST_GROUP) {
+ printf("%u\n", gid);
+ }
+ }
+
+#if ENABLE_SELINUX
+ if (flags & JUST_CONTEXT) {
+ selinux_or_die();
+ if (argc - optind == 1) {
+ bb_error_msg_and_die("user name can't be passed with -Z");
+ }
+
+ if (getcon(&scontext)) {
+ bb_error_msg_and_die("can't get process context");
+ }
+ printf("%s\n", scontext);
+ }
+#endif
+ /* exit */
+ fflush_stdout_and_exit(EXIT_SUCCESS);
+ }
+
+ /* Print full info like GNU id */
+ /* bb_getpwuid doesn't exit on failure here */
+ status = printf_full(uid, bb_getpwuid(NULL, uid, 0), 'u');
+ putchar(' ');
+ /* bb_getgrgid doesn't exit on failure here */
+ status |= printf_full(gid, bb_getgrgid(NULL, gid, 0), 'g');
+
+#if ENABLE_SELINUX
+ if (is_selinux_enabled()) {
+ security_context_t mysid;
+ const char *context;
+
+ context = "unknown";
+ getcon(&mysid);
+ if (mysid) {
+ context = alloca(strlen(mysid) + 1);
+ strcpy((char*)context, mysid);
+ freecon(mysid);
+ }
+ printf(" context=%s", context);
+ }
+#endif
+
+ putchar('\n');
+ fflush_stdout_and_exit(status);
+}