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- patch from Denis Vlasenko to add and use bb_xchdir()

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This commit is contained in:
Bernhard Reutner-Fischer 2006-04-12 18:39:58 +00:00
parent 67f641e75b
commit d9cf7ac781
12 changed files with 46 additions and 62 deletions
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18
archival/dpkg_deb.c
View File

@ -1,18 +1,8 @@
/* vi: set sw=4 ts=4: */
/*
* 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 Library 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.
* dpkg-deb packs, unpacks and provides information about Debian archives.
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <fcntl.h>
#include <stdlib.h>
@ -100,7 +90,7 @@ int dpkg_deb_main(int argc, char **argv)
}
if (extract_dir) {
mkdir(extract_dir, 0777);
chdir(extract_dir);
chdir(extract_dir); /* error check? */
}
unpack_ar_archive(ar_archive);

7
archival/tar.c
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@ -19,9 +19,8 @@
*
* Based in part on the tar implementation from busybox-0.28
* Copyright (C) 1995 Bruce Perens
* This is free software under the GNU General Public License.
*
* Licensed under GPL v2 (or later), see file LICENSE in this tarball.
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <fcntl.h>
@ -834,8 +833,8 @@ int tar_main(int argc, char **argv)
}
}
if ((base_dir) && (chdir(base_dir)))
bb_perror_msg_and_die("Couldnt chdir to %s", base_dir);
if (base_dir)
bb_xchdir(base_dir);
/* create an archive */
if (ENABLE_FEATURE_TAR_CREATE && (opt & CTX_CREATE)) {

5
archival/unzip.c
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@ -236,9 +236,8 @@ int unzip_main(int argc, char **argv)
}
/* Change dir if necessary */
if (base_dir && chdir(base_dir)) {
bb_perror_msg_and_die("Cannot chdir");
}
if (base_dir)
bb_xchdir(base_dir);
if (verbosity != v_silent)
printf("Archive: %s\n", src_fn);

18
coreutils/chroot.c
View File

@ -4,20 +4,7 @@
*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.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
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */
@ -35,9 +22,10 @@ int chroot_main(int argc, char **argv)
}
++argv;
if (chroot(*argv) || (chdir("/"))) {
if (chroot(*argv)) {
bb_perror_msg_and_die("cannot change root directory to %s", *argv);
}
bb_xchdir("/");
++argv;
if (argc == 2) {

1
include/libbb.h
View File

@ -149,6 +149,7 @@ extern int bb_xsocket(int domain, int type, int protocol);
extern void bb_xdaemon(int nochdir, int noclose);
extern void bb_xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
extern void bb_xlisten(int s, int backlog);
extern void bb_xchdir(const char *path);
#define BB_GETOPT_ERROR 0x80000000UL
extern const char *bb_opt_complementally;

2
libbb/Makefile.in
View File

@ -30,7 +30,7 @@ LIBBB-y:= \
trim.c u_signal_names.c vdprintf.c verror_msg.c \
vherror_msg.c vperror_msg.c wfopen.c xconnect.c xgetcwd.c xstat.c \
xgethostbyname.c xgethostbyname2.c xreadlink.c xregcomp.c xgetlarg.c \
bb_xsocket.c bb_xdaemon.c bb_xbind.c bb_xlisten.c \
bb_xsocket.c bb_xdaemon.c bb_xbind.c bb_xlisten.c bb_xchdir.c \
get_terminal_width_height.c fclose_nonstdin.c fflush_stdout_and_exit.c \
getopt_ulflags.c default_error_retval.c wfopen_input.c speed_table.c \
perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c bb_askpass.c \

17
libbb/bb_xchdir.c Normal file
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@ -0,0 +1,17 @@
/* vi: set sw=4 ts=4: */
/*
* bb_xchdir.c - a chdir() which dies on failure with error message
*
* Copyright (C) 2006 Denis Vlasenko
*
* Licensed under LGPL, see file docs/lesser.txt in this tarball for details.
*/
#include <unistd.h>
#include "libbb.h"
void bb_xchdir(const char *path)
{
if (chdir(path))
bb_perror_msg_and_die("chdir(%s)", path);
}

4
miscutils/crond.c
View File

@ -197,9 +197,7 @@ int crond_main(int ac, char **av)
* change directory
*/
if (chdir(CDir) != 0) {
bb_perror_msg_and_die("%s", CDir);
}
bb_xchdir(CDir);
signal(SIGHUP, SIG_IGN); /* hmm.. but, if kill -HUP original
* version - his died. ;(
*/

9
miscutils/crontab.c
View File

@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* CRONTAB
*
@ -148,8 +149,7 @@ crontab_main(int ac, char **av)
* Change directory to our crontab directory
*/
if (chdir(CDir) < 0)
bb_perror_msg_and_die("cannot change dir to %s", CDir);
bb_xchdir(CDir);
/*
* Handle options as appropriate
@ -358,10 +358,7 @@ ChangeUser(const char *user, short dochdir)
if (dochdir) {
if (chdir(pas->pw_dir) < 0) {
bb_perror_msg("chdir failed: %s %s", user, pas->pw_dir);
if (chdir(TMPDIR) < 0) {
bb_perror_msg_and_die("chdir failed: %s %s", user, TMPDIR);
return(-1);
}
bb_xchdir(TMPDIR);
}
}
return(pas->pw_uid);

18
miscutils/makedevs.c
View File

@ -1,4 +1,11 @@
/* vi: set sw=4 ts=4: */
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* makedevs
* Make ranges of device files quickly.
* known bugs: can't deal with alpha ranges
*/
#include <stdio.h>
#include <stdlib.h>
@ -12,13 +19,6 @@
#include "busybox.h"
#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* makedevs
* Make ranges of device files quickly.
* known bugs: can't deal with alpha ranges
*/
int makedevs_main(int argc, char **argv)
{
mode_t mode;
@ -94,9 +94,7 @@ int makedevs_main(int argc, char **argv)
bb_error_msg_and_die("root directory not specified");
}
if (chdir(rootdir) != 0) {
bb_perror_msg_and_die("could not chdir to %s", rootdir);
}
bb_xchdir(rootdir);
umask(0);

4
networking/httpd.c
View File

@ -2077,9 +2077,7 @@ int httpd_main(int argc, char *argv[])
#endif
#endif
if(chdir(home_httpd)) {
bb_perror_msg_and_die("can`t chdir to %s", home_httpd);
}
bb_xchdir(home_httpd);
#ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY
server = openServer();
# ifdef CONFIG_FEATURE_HTTPD_SETUID

5
procps/top.c
View File

@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* A tiny 'top' utility.
*
@ -468,9 +469,7 @@ int top_main(int argc, char **argv)
col = 35;
#endif
/* change to /proc */
if (chdir("/proc") < 0) {
bb_perror_msg_and_die("chdir('/proc')");
}
bb_xchdir("/proc");
#ifdef CONFIG_FEATURE_USE_TERMIOS
tcgetattr(0, (void *) &initial_settings);
memcpy(&new_settings, &initial_settings, sizeof(struct termios));