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authorAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
commit008d0be72b2f160382c6e880765e96b64a050c65 (patch)
tree36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/cp_mv.c
parent611becfb8726c60cb060368541ad98191d4532f5 (diff)
downloadtomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz
tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/cp_mv.c')
-rw-r--r--release/src/router/busybox/cp_mv.c327
1 files changed, 327 insertions, 0 deletions
diff --git a/release/src/router/busybox/cp_mv.c b/release/src/router/busybox/cp_mv.c
new file mode 100644
index 00000000..fb48d3c5
--- /dev/null
+++ b/release/src/router/busybox/cp_mv.c
@@ -0,0 +1,327 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini `cp' and `mv' implementation for BusyBox.
+ *
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * Copyright (C) 2000 by BitterSweet Enterprises, LLC. (GPL)
+ * Extensively modified and rewritten by Karl M. Hegbloom <karlheg@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 <time.h>
+#include <utime.h>
+#include <dirent.h>
+#include <sys/param.h>
+#include <setjmp.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include "busybox.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_name_too_long
+#define bb_need_omitting_directory
+#define bb_need_not_a_directory
+#include "messages.c"
+
+
+static const int is_cp = 0;
+static const int is_mv = 1;
+static int dz_i; /* index into cp_mv_usage */
+
+
+static int recursiveFlag;
+static int followLinks;
+static int preserveFlag;
+static int forceFlag;
+
+static const char *baseSrcName;
+static int srcDirFlag;
+static struct stat srcStatBuf;
+
+static char *pBaseDestName;
+static size_t baseDestLen;
+static int destDirFlag;
+static struct stat destStatBuf;
+
+static jmp_buf catch;
+static volatile int mv_Action_first_time;
+
+static void name_too_long__exit (void) __attribute__((noreturn));
+
+static
+void name_too_long__exit (void)
+{
+ error_msg_and_die(name_too_long);
+}
+
+static void
+fill_baseDest_buf(char *_buf, size_t * _buflen) {
+ const char *srcBasename;
+ if ((srcBasename = strrchr(baseSrcName, '/')) == NULL) {
+ srcBasename = baseSrcName;
+ if (_buf[*_buflen - 1] != '/') {
+ if (++(*_buflen) > BUFSIZ)
+ name_too_long__exit();
+ strcat(_buf, "/");
+ }
+ }
+ if (*_buflen + strlen(srcBasename) > BUFSIZ)
+ name_too_long__exit();
+ strcat(_buf, srcBasename);
+ return;
+
+}
+
+static int
+cp_mv_Action(const char *fileName, struct stat *statbuf, void* junk)
+{
+ char destName[BUFSIZ + 1];
+ size_t destLen;
+ const char *srcBasename;
+ char *name;
+
+ strcpy(destName, pBaseDestName);
+ destLen = strlen(destName);
+
+ if (srcDirFlag == TRUE) {
+ if (recursiveFlag == FALSE) {
+ error_msg(omitting_directory, baseSrcName);
+ return TRUE;
+ }
+ srcBasename = (strstr(fileName, baseSrcName)
+ + strlen(baseSrcName));
+
+ if (destLen + strlen(srcBasename) > BUFSIZ) {
+ error_msg(name_too_long);
+ return FALSE;
+ }
+ strcat(destName, srcBasename);
+ }
+ else if (destDirFlag == TRUE) {
+ fill_baseDest_buf(&destName[0], &destLen);
+ }
+ else {
+ srcBasename = baseSrcName;
+ }
+ if (mv_Action_first_time && (dz_i == is_mv)) {
+ mv_Action_first_time = errno = 0;
+ if (rename(fileName, destName) < 0 && errno != EXDEV) {
+ perror_msg("rename(%s, %s)", fileName, destName);
+ goto do_copyFile; /* Try anyway... */
+ }
+ else if (errno == EXDEV)
+ goto do_copyFile;
+ else
+ longjmp(catch, 1); /* succeeded with rename() */
+ }
+ do_copyFile:
+ if (preserveFlag == TRUE && statbuf->st_nlink > 1) {
+ if (is_in_ino_dev_hashtable(statbuf, &name)) {
+ if (link(name, destName) < 0) {
+ perror_msg("link(%s, %s)", name, destName);
+ return FALSE;
+ }
+ return TRUE;
+ }
+ else {
+ add_to_ino_dev_hashtable(statbuf, destName);
+ }
+ }
+ return copy_file(fileName, destName, preserveFlag, followLinks, forceFlag);
+}
+
+static int
+rm_Action(const char *fileName, struct stat *statbuf, void* junk)
+{
+ int status = TRUE;
+
+ if (S_ISDIR(statbuf->st_mode)) {
+ if (rmdir(fileName) < 0) {
+ perror_msg("rmdir(%s)", fileName);
+ status = FALSE;
+ }
+ } else if (unlink(fileName) < 0) {
+ perror_msg("unlink(%s)", fileName);
+ status = FALSE;
+ }
+ return status;
+}
+
+extern int cp_mv_main(int argc, char **argv)
+{
+ volatile int i;
+ int c;
+ RESERVE_BB_BUFFER(baseDestName,BUFSIZ + 1);
+ pBaseDestName = baseDestName; /* available globally */
+
+ if (*applet_name == 'c' && *(applet_name + 1) == 'p')
+ dz_i = is_cp;
+ else
+ dz_i = is_mv;
+ if (argc < 3)
+ show_usage();
+
+ if (dz_i == is_cp) {
+ recursiveFlag = preserveFlag = forceFlag = FALSE;
+ followLinks = TRUE;
+ while ((c = getopt(argc, argv, "adpRf")) != EOF) {
+ switch (c) {
+ case 'a':
+ followLinks = FALSE;
+ preserveFlag = TRUE;
+ recursiveFlag = TRUE;
+ break;
+ case 'd':
+ followLinks = FALSE;
+ break;
+ case 'p':
+ preserveFlag = TRUE;
+ break;
+ case 'R':
+ recursiveFlag = TRUE;
+ break;
+ case 'f':
+ forceFlag = TRUE;
+ break;
+ default:
+ show_usage();
+ }
+ }
+ if ((argc - optind) < 2) {
+ show_usage();
+ }
+ } else { /* (dz_i == is_mv) */
+ /* Initialize optind to 1, since in libc5 optind
+ * is not initialized until getopt() is called
+ * (or until sneaky programmers force it...). */
+ optind = 1;
+ recursiveFlag = preserveFlag = TRUE;
+ followLinks = FALSE;
+ }
+
+
+ if (strlen(argv[argc - 1]) > BUFSIZ) {
+ error_msg(name_too_long);
+ goto exit_false;
+ }
+ strcpy(baseDestName, argv[argc - 1]);
+ baseDestLen = strlen(baseDestName);
+ if (baseDestLen == 0)
+ goto exit_false;
+
+ destDirFlag = is_directory(baseDestName, TRUE, &destStatBuf);
+ if (argc - optind > 2 && destDirFlag == FALSE) {
+ error_msg(not_a_directory, baseDestName);
+ goto exit_false;
+ }
+
+ for (i = optind; i < (argc-1); i++) {
+ size_t srcLen;
+ volatile int flags_memo;
+ int status;
+
+ baseSrcName=argv[i];
+
+ if ((srcLen = strlen(baseSrcName)) > BUFSIZ)
+ name_too_long__exit();
+
+ if (srcLen == 0) continue; /* "" */
+
+ srcDirFlag = is_directory(baseSrcName, followLinks, &srcStatBuf);
+
+ if ((flags_memo = (recursiveFlag == TRUE &&
+ srcDirFlag == TRUE && destDirFlag == TRUE))) {
+
+ struct stat sb;
+ int state = 0;
+ char *pushd, *d, *p;
+
+ if ((pushd = getcwd(NULL, BUFSIZ + 1)) == NULL) {
+ perror_msg("getcwd()");
+ continue;
+ }
+ if (chdir(baseDestName) < 0) {
+ perror_msg("chdir(%s)", baseSrcName);
+ continue;
+ }
+ if ((d = getcwd(NULL, BUFSIZ + 1)) == NULL) {
+ perror_msg("getcwd()");
+ continue;
+ }
+ while (!state && *d != '\0') {
+ if (stat(d, &sb) < 0) { /* stat not lstat - always dereference targets */
+ perror_msg("stat(%s)", d);
+ state = -1;
+ continue;
+ }
+ if ((sb.st_ino == srcStatBuf.st_ino) &&
+ (sb.st_dev == srcStatBuf.st_dev)) {
+ error_msg("Cannot %s `%s' into a subdirectory of itself, "
+ "`%s/%s'", applet_name, baseSrcName,
+ baseDestName, baseSrcName);
+ state = -1;
+ continue;
+ }
+ if ((p = strrchr(d, '/')) != NULL) {
+ *p = '\0';
+ }
+ }
+ if (chdir(pushd) < 0) {
+ perror_msg("chdir(%s)", pushd);
+ free(pushd);
+ free(d);
+ continue;
+ }
+ free(pushd);
+ free(d);
+ if (state < 0)
+ continue;
+ else
+ fill_baseDest_buf(baseDestName, &baseDestLen);
+ }
+ status = setjmp(catch);
+ if (status == 0) {
+ mv_Action_first_time = 1;
+ if (recursive_action(baseSrcName,
+ recursiveFlag, followLinks, FALSE,
+ cp_mv_Action, cp_mv_Action, NULL) == FALSE) goto exit_false;
+ if (dz_i == is_mv &&
+ recursive_action(baseSrcName,
+ recursiveFlag, followLinks, TRUE,
+ rm_Action, rm_Action, NULL) == FALSE) goto exit_false;
+ }
+ if (flags_memo)
+ *(baseDestName + baseDestLen) = '\0';
+ }
+ return EXIT_SUCCESS;
+ exit_false:
+ return EXIT_FAILURE;
+}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/