Split up chmod_chown_chgrp.c into 3 separate apps. This unfortunately

adds 384 bytes to the overall size.  But having each app be standalone
is the Right Thing(tm) so we will just have to live with it.
 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@2422 69ca8d6d-28ef-0310-b511-8ec308f3f277

3 files changed, 289 insertions, 0 deletions

diff --git a/coreutils/chgrp.c b/coreutils/chgrp.c
new file mode 100644
index 000000000..739d09fb6
--- /dev/null
+++ b/coreutils/chgrp.c
@@ -0,0 +1,94 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini chown/chmod/chgrp implementation for busybox
+ *
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@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
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_invalid_option
+#define bb_need_too_few_args
+#include "messages.c"
+
+/* Don't use lchown for libc5 or glibc older then 2.1.x */
+#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
+#define lchown  chown
+#endif
+
+
+static long gid = -1;
+
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
+{
+        if (lchown(fileName, statbuf->st_uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
+                return (TRUE);
+        }
+        perror(fileName);
+        return (FALSE);
+}
+
+int chgrp_main(int argc, char **argv)
+{
+        int opt;
+        int recursiveFlag = FALSE;
+        char *p=NULL;
+
+        /* do normal option parsing */
+        while ((opt = getopt(argc, argv, "R")) > 0) {
+                switch (opt) {
+                        case 'R':
+                                recursiveFlag = TRUE;
+                        default:
+                                show_usage();
+                }
+        }
+
+        if (argc > optind && argc > 2 && argv[optind]) {
+                /* Find the selected group */
+                gid = strtoul(argv[optind], &p, 10);    /* maybe it's already numeric */
+                if (argv[optind] == p)
+                        gid = my_getgrnam(argv[optind]);
+        } else {
+                error_msg_and_die(too_few_args);
+        }
+
+        /* Ok, ready to do the deed now */
+        while (optind++ < argc) {
+                if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, 
+                                        fileAction, fileAction, NULL) == FALSE) {
+                        return EXIT_FAILURE;
+                }
+        }
+        return EXIT_SUCCESS;
+
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/coreutils/chmod.c b/coreutils/chmod.c
new file mode 100644
index 000000000..c3bef4ebe
--- /dev/null
+++ b/coreutils/chmod.c
@@ -0,0 +1,87 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini chown/chmod/chgrp implementation for busybox
+ *
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@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
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_too_few_args
+#include "messages.c"
+
+
+struct stat *theMode;
+
+
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
+{
+        if (chmod(fileName, theMode->st_mode) == 0)
+                return (TRUE);
+        perror(fileName);
+        return (FALSE);
+}
+
+int chmod_main(int argc, char **argv)
+{
+        int opt;
+        int recursiveFlag = FALSE;
+
+        /* do normal option parsing */
+        while ((opt = getopt(argc, argv, "R")) > 0) {
+                switch (opt) {
+                        case 'R':
+                                recursiveFlag = TRUE;
+                        default:
+                                show_usage();
+                }
+        }
+
+        if (argc > optind && argc > 2 && argv[optind]) {
+                /* Parse the specified mode */
+                if (parse_mode(argv[optind], &(theMode->st_mode)) == FALSE) {
+                        error_msg_and_die( "unknown mode: %s", argv[optind]);
+                }
+        } else {
+                error_msg_and_die(too_few_args);
+        }
+
+        /* Ok, ready to do the deed now */
+        while (optind++ < argc) {
+                if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, 
+                                        fileAction, fileAction, NULL) == FALSE) {
+                        return EXIT_FAILURE;
+                }
+        }
+        return EXIT_SUCCESS;
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/
diff --git a/coreutils/chown.c b/coreutils/chown.c
new file mode 100644
index 000000000..f044a7527
--- /dev/null
+++ b/coreutils/chown.c
@@ -0,0 +1,108 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini chown/chmod/chgrp implementation for busybox
+ *
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@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
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_too_few_args
+#include "messages.c"
+
+
+/* Don't use lchown for libc5 or glibc older then 2.1.x */
+#if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1)
+#define lchown  chown
+#endif
+
+static long uid = -1;
+static long gid = -1;
+
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
+{
+        if (lchown(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
+                return (TRUE);
+        }
+        perror(fileName);
+        return (FALSE);
+}
+
+int chown_main(int argc, char **argv)
+{
+        int opt;
+        int recursiveFlag = FALSE;
+        char *groupName=NULL;
+        char *p=NULL;
+
+        /* do normal option parsing */
+        while ((opt = getopt(argc, argv, "R")) > 0) {
+                switch (opt) {
+                        case 'R':
+                                recursiveFlag = TRUE;
+                        default:
+                                show_usage();
+                }
+        }
+
+        if (argc > optind && argc > 2 && argv[optind]) {
+                /* First, check if there is a group name here */
+                groupName = strchr(argv[optind], '.');
+                if (groupName == NULL)
+                        groupName = strchr(argv[optind], ':');
+                if (groupName) {
+                        *groupName++ = '\0';
+                        gid = strtoul(groupName, &p, 10);
+                        if (groupName == p)
+                                gid = my_getgrnam(groupName);
+                } else {
+                        gid = -1;
+                }
+                /* Now check for the username */
+                uid = strtoul(argv[optind], &p, 10);    /* Is is numeric? */
+                if (argv[optind] == p) {
+                        uid = my_getpwnam(argv[optind]);
+                }
+        } else {
+                error_msg_and_die(too_few_args);
+        }
+
+        /* Ok, ready to do the deed now */
+        while (optind++ < argc) {
+                if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, 
+                                        fileAction, fileAction, NULL) == FALSE) {
+                        return EXIT_FAILURE;
+                }
+        }
+        return EXIT_SUCCESS;
+
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/