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Some accrued fixes/updates.

Browse Source 
* cp/mv now accepts (and ignores) the -f flag, since it always
	does force anyway
    * tail can now accept -<num> commands (e.g. -10) for better
	compatibility with the standard tail command
    * added a simple id implementation; doesn't support supp. groups yet
This commit is contained in:
Erik Andersen 2000-05-01 19:10:52 +00:00
parent 28c49b6c9c
commit 94f5e0ba7c
16 changed files with 286 additions and 46 deletions
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7
Changelog
View File

@ -2,6 +2,7 @@
* added the -v option (inverted search) to grep,
updated docs/busybox.pod accordingly. -beppu
* Added mktemp, contributed by Daniel Jacobowitz <dan@debian.org>
* Added setkeycodes, for those that have wierd keyboard buttons.
* Fix for ping warnings from Sascha Ziemann <szi@aibon.ping.de>
* Fixed update segfault
* Fixed mknod -- minor number was always 0
@ -9,6 +10,12 @@
that wanted "tar cf foo.tar foo" (i.e. no "-" before options)
I broke creation of tarballs. I reverted the change (so tar needs
the "-" for all options).
* Several contributions from Randolph Chung <tausq@debian.org>.
* cp/mv now accepts (and ignores) the -f flag, since it always
does force anyway
* tail can now accept -<num> commands (e.g. -10) for better
compatibility with the standard tail command
* added a simple id implementation; doesn't support supp. groups yet
* More doc updates
-Erik

2
TODO
View File

@ -4,7 +4,7 @@ or that doing so is even a good idea. It just means that I _might_ get
around to it some time. If you have any good ideas, please let me know.
* login/sulogin/passwd/getty/etc are part of tinylogin, and so are not
needed or wanted in busybox (or else I'd have to link in libcrypt).
needed or wanted in busybox (or else I'd have to link to libcrypt).
* Networking apps are probably going to be split out some time soon into a
separate package (named perhaps tiny-netkit?). This currently includes

3
applets/busybox.c
View File

@ -134,6 +134,9 @@ static const struct Applet applets[] = {
#ifdef BB_HOSTNAME
{"hostname", hostname_main, _BB_DIR_BIN},
#endif
#ifdef BB_ID
{"id", id_main, _BB_DIR_USR_BIN},
#endif
#ifdef BB_INIT
{"init", init_main, _BB_DIR_SBIN},
#endif

3
busybox.c
View File

@ -134,6 +134,9 @@ static const struct Applet applets[] = {
#ifdef BB_HOSTNAME
{"hostname", hostname_main, _BB_DIR_BIN},
#endif
#ifdef BB_ID
{"id", id_main, _BB_DIR_USR_BIN},
#endif
#ifdef BB_INIT
{"init", init_main, _BB_DIR_SBIN},
#endif

1
busybox.def.h
View File

@ -36,6 +36,7 @@
#define BB_HEAD
#define BB_HOSTID
#define BB_HOSTNAME
#define BB_ID
#define BB_INIT
// Don't bother turning BB_INSMOD on. It doesn't work yet.
//#define BB_INSMOD

1
console-tools/loadkmap.c
View File

@ -51,6 +51,7 @@ int loadkmap_main(int argc, char **argv)
}
read(0, buff, 7);
printf("buff='%s'\n", buff);
if (0 != strncmp(buff, magic, 7)) {
fprintf(stderr, "This is not a valid binary keymap.\n");
exit(FALSE);

92
coreutils/id.c Normal file
View File

@ -0,0 +1,92 @@
/* 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
*
*/
#include "internal.h"
#include <stdio.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#include <sys/types.h>
static const char id_usage[] =
"id [OPTIONS]... [USERNAME]\n\n"
"Print information for USERNAME or the current user\n\n"
"\t-g\tprints only the group ID\n"
"\t-u\tprints only the user ID\n"
"\t-r\tprints the real user ID instead of the effective ID (with -ug)\n\n";
extern int id_main(int argc, char **argv)
{
int no_user = 0, no_group = 0, print_real = 0;
char *cp, *user, *group;
gid_t gid;
cp = user = group = NULL;
argc--; argv++;
while (argc > 0) {
cp = *argv;
if (*cp == '-') {
switch (*++cp) {
case 'u': no_group = 1; break;
case 'g': no_user = 1; break;
case 'r': print_real = 1; break;
default: usage(id_usage);
}
} else {
user = cp;
}
argc--; argv++;
}
if (no_user && no_group) usage(id_usage);
if (user == NULL) {
user = xmalloc(9);
group = xmalloc(9);
if (print_real) {
my_getpwuid(user, getuid());
my_getgrgid(group, getgid());
} else {
my_getpwuid(user, geteuid());
my_getgrgid(group, getegid());
}
} else {
group = xmalloc(9);
gid = my_getpwnamegid(user);
my_getgrgid(group, gid);
}
if (no_group) printf("%u\n", my_getpwnam(user));
else if (no_user) printf("%u\n", my_getgrnam(group));
else
printf("uid=%u(%s) gid=%u(%s)\n",
my_getpwnam(user), user, my_getgrnam(group), group);
exit(0);
}
/* END CODE */

2
coreutils/tail.c
View File

@ -368,9 +368,11 @@ extern int tail_main(int argc, char **argv)
case 'h':
usage(tail_usage);
default:
if ((n_units = atoi(&argv[i][1])) < 1) {
fprintf(stderr, "tail: invalid option -- %c\n", opt);
usage(tail_usage);
}
}
} else {
break;
}

4
cp_mv.c
View File

@ -56,6 +56,7 @@ static const char *cp_mv_usage[] = /* .rodata */
"\t-a\tSame as -dpR\n"
"\t-d\tPreserves links\n"
"\t-p\tPreserves file attributes if possible\n"
"\t-f\tforce (implied; ignored) - always set\n"
"\t-R\tCopies directories recursively\n"
#endif
,
@ -218,6 +219,9 @@ extern int cp_mv_main(int argc, char **argv)
case 'R':
recursiveFlag = TRUE;
break;
case 'f':
/* for compatibility; busybox cp/mv always does force */
break;
default:
usage(cp_mv_usage[is_cp]);
}

92
id.c Normal file
View File

@ -0,0 +1,92 @@
/* 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
*
*/
#include "internal.h"
#include <stdio.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#include <sys/types.h>
static const char id_usage[] =
"id [OPTIONS]... [USERNAME]\n\n"
"Print information for USERNAME or the current user\n\n"
"\t-g\tprints only the group ID\n"
"\t-u\tprints only the user ID\n"
"\t-r\tprints the real user ID instead of the effective ID (with -ug)\n\n";
extern int id_main(int argc, char **argv)
{
int no_user = 0, no_group = 0, print_real = 0;
char *cp, *user, *group;
gid_t gid;
cp = user = group = NULL;
argc--; argv++;
while (argc > 0) {
cp = *argv;
if (*cp == '-') {
switch (*++cp) {
case 'u': no_group = 1; break;
case 'g': no_user = 1; break;
case 'r': print_real = 1; break;
default: usage(id_usage);
}
} else {
user = cp;
}
argc--; argv++;
}
if (no_user && no_group) usage(id_usage);
if (user == NULL) {
user = xmalloc(9);
group = xmalloc(9);
if (print_real) {
my_getpwuid(user, getuid());
my_getgrgid(group, getgid());
} else {
my_getpwuid(user, geteuid());
my_getgrgid(group, getegid());
}
} else {
group = xmalloc(9);
gid = my_getpwnamegid(user);
my_getgrgid(group, gid);
}
if (no_group) printf("%u\n", my_getpwnam(user));
else if (no_user) printf("%u\n", my_getgrnam(group));
else
printf("uid=%u(%s) gid=%u(%s)\n",
my_getpwnam(user), user, my_getgrnam(group), group);
exit(0);
}
/* END CODE */

15
internal.h
View File

@ -129,6 +129,7 @@ extern int halt_main(int argc, char** argv);
extern int head_main(int argc, char** argv);
extern int hostid_main(int argc, char** argv);
extern int hostname_main(int argc, char** argv);
extern int id_main(int argc, char** argv);
extern int init_main(int argc, char** argv);
extern int insmod_main(int argc, char** argv);
extern int kill_main(int argc, char** argv);
@ -233,10 +234,7 @@ extern int createPath (const char *name, int mode);
extern int parse_mode( const char* s, mode_t* theMode);
extern int get_kernel_revision(void);
extern uid_t my_getpwnam(char *name);
extern gid_t my_getgrnam(char *name);
extern void my_getpwuid(char* name, uid_t uid);
extern void my_getgrgid(char* group, gid_t gid);
extern int get_console_fd(char* tty_name);
extern struct mntent *findMountPoint(const char *name, const char *table);
extern void write_mtab(char* blockDevice, char* directory,
@ -253,6 +251,15 @@ extern void *xmalloc (size_t size);
extern int find_real_root_device_name(char* name);
extern char *cstring_lineFromFile(FILE *f);
/* These parse entries in /etc/passwd and /etc/group. This is desirable
* for BusyBox since we want to avoid using the glibc NSS stuff, which
* increases target size and is often not needed embedded systems. */
extern uid_t my_getpwnam(char *name);
extern gid_t my_getgrnam(char *name);
extern void my_getpwuid(char *name, uid_t uid);
extern void my_getgrgid(char *group, gid_t gid);
extern gid_t my_getpwnamegid(char *name);
#if defined BB_INIT || defined BB_SYSLOGD
extern int device_open(char *device, int mode);

1
loadkmap.c
View File

@ -51,6 +51,7 @@ int loadkmap_main(int argc, char **argv)
}
read(0, buff, 7);
printf("buff='%s'\n", buff);
if (0 != strncmp(buff, magic, 7)) {
fprintf(stderr, "This is not a valid binary keymap.\n");
exit(FALSE);

9
networking/telnet.c
View File

@ -1,6 +1,5 @@
/* vi: set sw=4 ts=4: */
/*
* $Id: telnet.c,v 1.1 2000/02/22 17:17:45 erik Exp $
* $Id: telnet.c,v 1.2 2000/05/01 19:10:52 erik Exp $
* Mini telnet implementation for busybox
*
* Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
@ -102,15 +101,15 @@ static inline void telnet_senddont(int s, int c) { SENDCOMMAND(DONT, c); }
static void telnet_setoptions(int s)
{
/*
telnet_senddo(s, TELOPT_SGA); TFLAG_SET(TELOPT_SGA, DO);
telnet_sendwill(s, TELOPT_NAWS); TFLAG_SET(TELOPT_NAWS, WILL);
telnet_sendwill(s, TELOPT_TSPEED); TFLAG_SET(TELOPT_TSPEED, WILL);
telnet_sendwill(s, TELOPT_LFLOW); TFLAG_SET(TELOPT_LFLOW, WILL);
telnet_sendwill(s, TELOPT_LINEMODE); TFLAG_SET(TELOPT_LINEMODE, WILL);
telnet_sendwill(s, TELOPT_NEW_ENVIRON); TFLAG_SET(TELOPT_NEW_ENVIRON, WILL);
telnet_senddo(s, TELOPT_STATUS); TFLAG_SET(TELOPT_STATUS, DO);
telnet_sendwill(s, TELOPT_TTYPE); TFLAG_SET(TELOPT_TTYPE, WILL);
*/
telnet_senddo(s, TELOPT_SGA); TFLAG_SET(TELOPT_SGA, DO);
telnet_sendwill(s, TELOPT_LFLOW); TFLAG_SET(TELOPT_LFLOW, WILL);
telnet_sendwill(s, TELOPT_LINEMODE); TFLAG_SET(TELOPT_LINEMODE, WILL);
telnet_senddo(s, TELOPT_BINARY); TFLAG_SET(TELOPT_BINARY, DO);
telnet_sendwill(s, TELOPT_BINARY); TFLAG_SET(TELOPT_BINARY, WILL);
}

2
tail.c
View File

@ -368,9 +368,11 @@ extern int tail_main(int argc, char **argv)
case 'h':
usage(tail_usage);
default:
if ((n_units = atoi(&argv[i][1])) < 1) {
fprintf(stderr, "tail: invalid option -- %c\n", opt);
usage(tail_usage);
}
}
} else {
break;
}

9
telnet.c
View File

@ -1,6 +1,5 @@
/* vi: set sw=4 ts=4: */
/*
* $Id: telnet.c,v 1.1 2000/02/22 17:17:45 erik Exp $
* $Id: telnet.c,v 1.2 2000/05/01 19:10:52 erik Exp $
* Mini telnet implementation for busybox
*
* Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
@ -102,15 +101,15 @@ static inline void telnet_senddont(int s, int c) { SENDCOMMAND(DONT, c); }
static void telnet_setoptions(int s)
{
/*
telnet_senddo(s, TELOPT_SGA); TFLAG_SET(TELOPT_SGA, DO);
telnet_sendwill(s, TELOPT_NAWS); TFLAG_SET(TELOPT_NAWS, WILL);
telnet_sendwill(s, TELOPT_TSPEED); TFLAG_SET(TELOPT_TSPEED, WILL);
telnet_sendwill(s, TELOPT_LFLOW); TFLAG_SET(TELOPT_LFLOW, WILL);
telnet_sendwill(s, TELOPT_LINEMODE); TFLAG_SET(TELOPT_LINEMODE, WILL);
telnet_sendwill(s, TELOPT_NEW_ENVIRON); TFLAG_SET(TELOPT_NEW_ENVIRON, WILL);
telnet_senddo(s, TELOPT_STATUS); TFLAG_SET(TELOPT_STATUS, DO);
telnet_sendwill(s, TELOPT_TTYPE); TFLAG_SET(TELOPT_TTYPE, WILL);
*/
telnet_senddo(s, TELOPT_SGA); TFLAG_SET(TELOPT_SGA, DO);
telnet_sendwill(s, TELOPT_LFLOW); TFLAG_SET(TELOPT_LFLOW, WILL);
telnet_sendwill(s, TELOPT_LINEMODE); TFLAG_SET(TELOPT_LINEMODE, WILL);
telnet_senddo(s, TELOPT_BINARY); TFLAG_SET(TELOPT_BINARY, DO);
telnet_sendwill(s, TELOPT_BINARY); TFLAG_SET(TELOPT_BINARY, WILL);
}

57
utility.c
View File

@ -783,18 +783,27 @@ extern int parse_mode(const char *s, mode_t * theMode)
#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS || defined BB_TAR || defined BB_ID
#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS || defined BB_TAR
/* Use this to avoid needing the glibc NSS stuff
* This uses storage buf to hold things.
* */
uid_t my_getid(const char *filename, char *name, uid_t id)
/* This parses entries in /etc/passwd and /etc/group. This is desirable
* for BusyBox, since we want to avoid using the glibc NSS stuff, which
* increases target size and is often not needed or wanted for embedded
* systems.
*
* /etc/passwd entries look like this:
* root:x:0:0:root:/root:/bin/bash
* and /etc/group entries look like this:
* root:x:0:
*
* This uses buf as storage to hold things.
*
*/
uid_t my_getid(const char *filename, char *name, uid_t id, gid_t *gid)
{
FILE *file;
char *rname, *start, *end, buf[128];
uid_t rid;
id_t rid;
gid_t rgid = 0;
file = fopen(filename, "r");
if (file == NULL) {
@ -806,6 +815,7 @@ uid_t my_getid(const char *filename, char *name, uid_t id)
if (buf[0] == '#')
continue;
/* username/group name */
start = buf;
end = strchr(start, ':');
if (end == NULL)
@ -813,24 +823,32 @@ uid_t my_getid(const char *filename, char *name, uid_t id)
*end = '\0';
rname = start;
/* password */
start = end + 1;
end = strchr(start, ':');
if (end == NULL)
continue;
/* uid in passwd, gid in group */
start = end + 1;
rid = (uid_t) strtol(start, &end, 10);
if (end == start)
continue;
/* gid in passwd */
start = end + 1;
rgid = (gid_t) strtol(start, &end, 10);
if (name) {
if (0 == strcmp(rname, name)) {
if (gid) *gid = rgid;
fclose(file);
return (rid);
}
}
if (id != -1 && id == rid) {
strncpy(name, rname, 8);
if (gid) *gid = rgid;
fclose(file);
return (TRUE);
}
@ -839,30 +857,39 @@ uid_t my_getid(const char *filename, char *name, uid_t id)
return (-1);
}
/* returns a uid given a username */
uid_t my_getpwnam(char *name)
{
return my_getid("/etc/passwd", name, -1);
return my_getid("/etc/passwd", name, -1, NULL);
}
/* returns a gid given a group name */
gid_t my_getgrnam(char *name)
{
return my_getid("/etc/group", name, -1);
return my_getid("/etc/group", name, -1, NULL);
}
/* gets a username given a uid */
void my_getpwuid(char *name, uid_t uid)
{
my_getid("/etc/passwd", name, uid);
my_getid("/etc/passwd", name, uid, NULL);
}
/* gets a groupname given a gid */
void my_getgrgid(char *group, gid_t gid)
{
my_getid("/etc/group", group, gid);
my_getid("/etc/group", group, gid, NULL);
}
/* gets a gid given a user name */
gid_t my_getpwnamegid(char *name)
{
gid_t gid;
my_getid("/etc/passwd", name, -1, &gid);
return gid;
}
#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR */
#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR || BB_ID */
#if (defined BB_CHVT) || (defined BB_DEALLOCVT)