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 000000000..d5182b953
--- /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:
+*/
+