summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Changelog7
-rw-r--r--TODO2
-rw-r--r--applets/busybox.c3
-rw-r--r--busybox.c3
-rw-r--r--busybox.def.h1
-rw-r--r--console-tools/loadkmap.c1
-rw-r--r--coreutils/id.c92
-rw-r--r--coreutils/tail.c6
-rw-r--r--cp_mv.c4
-rw-r--r--id.c92
-rw-r--r--internal.h15
-rw-r--r--loadkmap.c1
-rw-r--r--networking/telnet.c21
-rw-r--r--tail.c6
-rw-r--r--telnet.c21
-rw-r--r--utility.c57
16 files changed, 286 insertions, 46 deletions
diff --git a/Changelog b/Changelog
index 53d4252..f6a9222 100644
--- a/Changelog
+++ b/Changelog
@@ -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
diff --git a/TODO b/TODO
index 1edd9cd..5c642cb 100644
--- a/TODO
+++ b/TODO
@@ -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
diff --git a/applets/busybox.c b/applets/busybox.c
index ca76758..d8a38ad 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -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
diff --git a/busybox.c b/busybox.c
index ca76758..d8a38ad 100644
--- a/busybox.c
+++ b/busybox.c
@@ -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
diff --git a/busybox.def.h b/busybox.def.h
index c10c1a3..86b8059 100644
--- a/busybox.def.h
+++ b/busybox.def.h
@@ -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
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
index 75e52e1..2ac4273 100644
--- a/console-tools/loadkmap.c
+++ b/console-tools/loadkmap.c
@@ -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);
diff --git a/coreutils/id.c b/coreutils/id.c
new file mode 100644
index 0000000..8ded0e5
--- /dev/null
+++ b/coreutils/id.c
@@ -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 */
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 315eee1..321c5c4 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -368,8 +368,10 @@ extern int tail_main(int argc, char **argv)
case 'h':
usage(tail_usage);
default:
- fprintf(stderr, "tail: invalid option -- %c\n", opt);
- usage(tail_usage);
+ if ((n_units = atoi(&argv[i][1])) < 1) {
+ fprintf(stderr, "tail: invalid option -- %c\n", opt);
+ usage(tail_usage);
+ }
}
} else {
break;
diff --git a/cp_mv.c b/cp_mv.c
index b43a6d3..ae35bca 100644
--- a/cp_mv.c
+++ b/cp_mv.c
@@ -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]);
}
diff --git a/id.c b/id.c
new file mode 100644
index 0000000..8ded0e5
--- /dev/null
+++ b/id.c
@@ -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 */
diff --git a/internal.h b/internal.h
index a81651b..859bee1 100644
--- a/internal.h
+++ b/internal.h
@@ -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);
diff --git a/loadkmap.c b/loadkmap.c
index 75e52e1..2ac4273 100644
--- a/loadkmap.c
+++ b/loadkmap.c
@@ -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);
diff --git a/networking/telnet.c b/networking/telnet.c
index 076728f..8c58521 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -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);
}
@@ -457,16 +456,16 @@ int main(int argc, char **argv)
int telnet_main(int argc, char **argv)
#endif
{
- int port = TELNETPORT;
+ int port = TELNETPORT;
argc--; argv++;
if (argc < 1) usage(telnet_usage);
- if (argc > 1) port = atoi(argv[1]);
- telnet_init();
- atexit(telnet_shutdown);
+ if (argc > 1) port = atoi(argv[1]);
+ telnet_init();
+ atexit(telnet_shutdown);
- telnet_start(argv[0], port);
- return 0;
+ telnet_start(argv[0], port);
+ return 0;
}
/*
diff --git a/tail.c b/tail.c
index 315eee1..321c5c4 100644
--- a/tail.c
+++ b/tail.c
@@ -368,8 +368,10 @@ extern int tail_main(int argc, char **argv)
case 'h':
usage(tail_usage);
default:
- fprintf(stderr, "tail: invalid option -- %c\n", opt);
- usage(tail_usage);
+ if ((n_units = atoi(&argv[i][1])) < 1) {
+ fprintf(stderr, "tail: invalid option -- %c\n", opt);
+ usage(tail_usage);
+ }
}
} else {
break;
diff --git a/telnet.c b/telnet.c
index 076728f..8c58521 100644
--- a/telnet.c
+++ b/telnet.c
@@ -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);
}
@@ -457,16 +456,16 @@ int main(int argc, char **argv)
int telnet_main(int argc, char **argv)
#endif
{
- int port = TELNETPORT;
+ int port = TELNETPORT;
argc--; argv++;
if (argc < 1) usage(telnet_usage);
- if (argc > 1) port = atoi(argv[1]);
- telnet_init();
- atexit(telnet_shutdown);
+ if (argc > 1) port = atoi(argv[1]);
+ telnet_init();
+ atexit(telnet_shutdown);
- telnet_start(argv[0], port);
- return 0;
+ telnet_start(argv[0], port);
+ return 0;
}
/*
diff --git a/utility.c b/utility.c
index e6c87fc..51c5133 100644
--- a/utility.c
+++ b/utility.c
@@ -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)