This commit was manufactured by cvs2svn to create tag 'busybox_1_00'.

1 files changed, 135 insertions, 0 deletions

diff --git a/busybox/coreutils/id.c b/busybox/coreutils/id.c
new file mode 100644
index 0000000..d5182b9
--- /dev/null
+++ b/busybox/coreutils/id.c
@@ -0,0 +1,135 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini id implementation for busybox
+ *
+ * Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* 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. 
+ */
+
+#include "busybox.h"
+#include "pwd_.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#ifdef CONFIG_SELINUX
+#include <proc_secure.h>
+#include <flask_util.h>
+#endif
+
+#define PRINT_REAL        1
+#define NAME_NOT_NUMBER   2
+#define JUST_USER         4
+#define JUST_GROUP        8
+
+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;
+	}
+	bb_printf(fmt, prefix, id, arg);
+	return status;
+}
+
+extern int id_main(int argc, char **argv)
+{
+	struct passwd *p;
+	uid_t uid;
+	gid_t gid;
+	unsigned long flags;
+	short status;
+#ifdef CONFIG_SELINUX
+	int is_flask_enabled_flag = is_flask_enabled();
+#endif
+
+	bb_opt_complementaly = "u~g:g~u";
+	flags = bb_getopt_ulflags(argc, argv, "rnug");
+
+	if ((flags & 0x80000000UL)
+	/* Don't allow -n -r -nr */
+	|| (flags <= 3 && flags > 0) 
+	/* Don't allow more than one username */
+	|| (argc > optind + 1))
+		bb_show_usage();
+	
+	/* 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]);
+		/* my_getpwnam is needed because it exits on failure */
+		uid = my_getpwnam(argv[optind]);
+		gid = p->pw_gid;
+		/* in this case PRINT_REAL is the same */ 
+	}
+
+	if(flags & (JUST_GROUP | JUST_USER)) {
+		/* JUST_GROUP and JUST_USER are mutually exclusive */
+		if(flags & NAME_NOT_NUMBER) {
+			/* my_getpwuid and my_getgrgid exit on failure so puts cannot segfault */
+			puts((flags & JUST_USER) ? my_getpwuid(NULL, uid, -1 ) : my_getgrgid(NULL, gid, -1 ));
+		} else {
+			bb_printf("%u\n",(flags & JUST_USER) ? uid : gid);
+		}
+		/* exit */ 
+		bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+	}
+
+	/* Print full info like GNU id */
+	/* my_getpwuid doesn't exit on failure here */
+	status=printf_full(uid, my_getpwuid(NULL, uid, 0), 'u');
+	putchar(' ');
+	/* my_getgrgid doesn't exit on failure here */
+	status|=printf_full(gid, my_getgrgid(NULL, gid, 0), 'g');
+#ifdef CONFIG_SELINUX
+	if(is_flask_enabled_flag) {
+		security_id_t mysid = getsecsid();
+		char context[80];
+		int len = sizeof(context);
+		context[0] = '\0';
+		if(security_sid_to_context(mysid, context, &len))
+			strcpy(context, "unknown");
+		bb_printf(" context=%s", context);
+	}
+#endif
+	putchar('\n');
+	bb_fflush_stdout_and_exit(status);
+}
+
+/* END CODE */
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
+