Add new apps md5sum uudecode uuencode, fix some minor formatting things.

-Erik

Changelog

@@ -12,6 +12,8 @@
 	    Glenn McGrath <bug1@netconnect.com.au>
 	* Added mktemp, contributed by Daniel Jacobowitz <dan@debian.org>
 	* Added setkeycodes, for those that have wierd keyboard buttons.
+	* Added md5sum, uuencode and uudecode -- thanks to Alfred M. Szmidt 
+	    <ams@trillian.itslinux.org> for contributing these.
         * Added 'grep -v' option (inverted search) and updated 
 	    docs accordingly.  -beppu
 	* Wrote which

Makefile

@@ -26,7 +26,7 @@ export VERSION
 # Set the following to `true' to make a debuggable build.
 # Leave this set to `false' for production use.
 # eg: `make DODEBUG=true tests'
-DODEBUG = false
+DODEBUG = true
 
 # If you want a static binary, turn this on.
 DOSTATIC = false

applets/busybox.c

@@ -189,6 +189,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_MATH
 	{"math", math_main, _BB_DIR_USR_BIN},
 #endif
+#ifdef BB_MD5SUM
+	{"md5sum", md5sum_main, _BB_DIR_USR_BIN},
+#endif
 #ifdef BB_MKDIR
 	{"mkdir", mkdir_main, _BB_DIR_BIN},
 #endif
@@ -324,6 +327,12 @@ const struct BB_applet applets[] = {
 #ifdef BB_UPTIME
 	{"uptime", uptime_main, _BB_DIR_USR_BIN},
 #endif
+#ifdef BB_UUENCODE
+	{"uuencode", uuencode_main, _BB_DIR_USR_BIN},
+#endif
+#ifdef BB_UUDECODE
+	{"uudecode", uudecode_main, _BB_DIR_USR_BIN},
+#endif
 #ifdef BB_USLEEP
 	{"usleep", usleep_main, _BB_DIR_BIN},
 #endif

busybox.c

@@ -189,6 +189,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_MATH
 	{"math", math_main, _BB_DIR_USR_BIN},
 #endif
+#ifdef BB_MD5SUM
+	{"md5sum", md5sum_main, _BB_DIR_USR_BIN},
+#endif
 #ifdef BB_MKDIR
 	{"mkdir", mkdir_main, _BB_DIR_BIN},
 #endif
@@ -324,6 +327,12 @@ const struct BB_applet applets[] = {
 #ifdef BB_UPTIME
 	{"uptime", uptime_main, _BB_DIR_USR_BIN},
 #endif
+#ifdef BB_UUENCODE
+	{"uuencode", uuencode_main, _BB_DIR_USR_BIN},
+#endif
+#ifdef BB_UUDECODE
+	{"uudecode", uudecode_main, _BB_DIR_USR_BIN},
+#endif
 #ifdef BB_USLEEP
 	{"usleep", usleep_main, _BB_DIR_BIN},
 #endif

busybox.def.h

@@ -55,6 +55,7 @@
 #define BB_LSMOD
 #define BB_MAKEDEVS
 #define BB_MATH
+#define BB_MD5SUM
 #define BB_MKDIR
 #define BB_MKFIFO
 #define BB_MKFS_MINIX
@@ -99,6 +100,8 @@
 #define BB_WC
 #define BB_WHICH
 #define BB_WHOAMI
+#define BB_UUENCODE
+#define BB_UUDECODE
 #define BB_UMOUNT
 #define BB_UNIQ
 #define BB_UNAME

chmod_chown_chgrp.c

@@ -119,7 +119,7 @@ int chmod_chown_chgrp_main(int argc, char **argv)
 
 	/* Parse options */
 	while (--argc >= 0 && *argv && (**argv == '-')) {
-		while (*++(*argv))
+		while (*++(*argv)) {
 			switch (**argv) {
 				case 'R':
 					recursiveFlag = TRUE;
@@ -128,6 +128,7 @@ int chmod_chown_chgrp_main(int argc, char **argv)
 					fprintf(stderr, invalid_option, invocationName, **argv);
 					usage(appUsage);
 			}
+		}
 		argv++;
 	}
 

coreutils/df.c

@@ -51,7 +51,6 @@ static int df(char *device, const char *mountPoint)
 		blocks_used = s.f_blocks - s.f_bfree;
 		blocks_percent_used = (long)
 			(blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
-		/* Note that if /etc/fstab is missing, libc can't fix up /dev/root for us */
 		if (strcmp(device, "/dev/root") == 0) {
 			/* Adjusts device to be the real root device,
 			 * or leaves device alone if it can't find it */

coreutils/uudecode.c

@@ -0,0 +1,350 @@
+/* uudecode.c -- uudecode utility.
+ * Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ *
+ * This product 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, or (at your option)
+ * any later version.
+ *
+ * This product 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 product; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/* Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *       This product includes software developed by the University of
+ *       California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93.  */
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+
+/*struct passwd *getpwnam();*/
+
+/* Single character decode.  */
+#define	DEC(Char) (((Char) - ' ') & 077)
+
+static int read_stduu (const char *inname)
+{
+  char buf[2 * BUFSIZ];
+
+  while (1) {
+    int n;
+    char *p;
+
+    if (fgets (buf, sizeof(buf), stdin) == NULL) {
+      errorMsg("%s: Short file\n", inname);
+      return FALSE;
+    }
+    p = buf;
+
+    /* N is used to avoid writing out all the characters at the end of
+       the file.  */
+    n = DEC (*p);
+    if (n <= 0)
+      break;
+    for (++p; n > 0; p += 4, n -= 3) {
+      char ch;
+
+      if (n >= 3) {
+        ch = DEC (p[0]) << 2 | DEC (p[1]) >> 4;
+        putchar (ch);
+        ch = DEC (p[1]) << 4 | DEC (p[2]) >> 2;
+        putchar (ch);
+        ch = DEC (p[2]) << 6 | DEC (p[3]);
+        putchar (ch);
+      } else {
+        if (n >= 1) {
+          ch = DEC (p[0]) << 2 | DEC (p[1]) >> 4;
+          putchar (ch);
+        }
+        if (n >= 2) {
+          ch = DEC (p[1]) << 4 | DEC (p[2]) >> 2;
+          putchar (ch);
+        }
+      }
+    }
+  }
+
+  if (fgets (buf, sizeof(buf), stdin) == NULL
+      || strcmp (buf, "end\n")) {
+    errorMsg("%s: No `end' line\n", inname);
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+static int read_base64 (const char *inname)
+{
+  static const char b64_tab[256] = {
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*000-007*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*010-017*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*020-027*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*030-037*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*040-047*/
+    '\177', '\177', '\177', '\76',  '\177', '\177', '\177', '\77',  /*050-057*/
+    '\64',  '\65',  '\66',  '\67',  '\70',  '\71',  '\72',  '\73',  /*060-067*/
+    '\74',  '\75',  '\177', '\177', '\177', '\100', '\177', '\177', /*070-077*/
+    '\177', '\0',   '\1',   '\2',   '\3',   '\4',   '\5',   '\6',   /*100-107*/
+    '\7',   '\10',  '\11',  '\12',  '\13',  '\14',  '\15',  '\16',  /*110-117*/
+    '\17',  '\20',  '\21',  '\22',  '\23',  '\24',  '\25',  '\26',  /*120-127*/
+    '\27',  '\30',  '\31',  '\177', '\177', '\177', '\177', '\177', /*130-137*/
+    '\177', '\32',  '\33',  '\34',  '\35',  '\36',  '\37',  '\40',  /*140-147*/
+    '\41',  '\42',  '\43',  '\44',  '\45',  '\46',  '\47',  '\50',  /*150-157*/
+    '\51',  '\52',  '\53',  '\54',  '\55',  '\56',  '\57',  '\60',  /*160-167*/
+    '\61',  '\62',  '\63',  '\177', '\177', '\177', '\177', '\177', /*170-177*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*200-207*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*210-217*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*220-227*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*230-237*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*240-247*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*250-257*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*260-267*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*270-277*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*300-307*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*310-317*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*320-327*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*330-337*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*340-347*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*350-357*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*360-367*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*370-377*/
+  };
+  unsigned char buf[2 * BUFSIZ];
+
+  while (1) {
+    int last_data = 0;
+    unsigned char *p;
+
+    if (fgets (buf, sizeof(buf), stdin) == NULL) {
+      errorMsg("%s: Short file\n", inname);
+      return FALSE;
+    }
+    p = buf;
+
+    if (memcmp (buf, "====", 4) == 0)
+      break;
+    if (last_data != 0) {
+      errorMsg("%s: data following `=' padding character\n", inname);
+      return FALSE;
+    }
+
+    /* The following implementation of the base64 decoding might look
+       a bit clumsy but I only try to follow the POSIX standard:
+       ``All line breaks or other characters not found in the table
+       [with base64 characters] shall be ignored by decoding
+       software.''  */
+    while (*p != '\n') {
+      char c1, c2, c3;
+
+      while ((b64_tab[*p] & '\100') != 0)
+        if (*p == '\n' || *p++ == '=')
+          break;
+      if (*p == '\n')
+        /* This leaves the loop.  */
+        continue;
+      c1 = b64_tab[*p++];
+
+      while ((b64_tab[*p] & '\100') != 0)
+        if (*p == '\n' || *p++ == '=') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      c2 = b64_tab[*p++];
+
+      while (b64_tab[*p] == '\177')
+        if (*p++ == '\n') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      if (*p == '=') {
+        putchar (c1 << 2 | c2 >> 4);
+        last_data = 1;
+        break;
+      }
+      c3 = b64_tab[*p++];
+
+      while (b64_tab[*p] == '\177')
+        if (*p++ == '\n') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      putchar (c1 << 2 | c2 >> 4);
+      putchar (c2 << 4 | c3 >> 2);
+      if (*p == '=') {
+        last_data = 1;
+        break;
+      }
+      else
+        putchar (c3 << 6 | b64_tab[*p++]);
+    }
+  }
+
+  return TRUE;
+}
+
+static int decode (const char *inname,
+                   const char *forced_outname)
+{
+  struct passwd *pw;
+  register int n;
+  register char *p;
+  int mode, n1;
+  char buf[2 * BUFSIZ];
+  char *outname;
+  int do_base64 = 0;
+
+  /* Search for header line.  */
+
+  while (1) {
+    if (fgets (buf, sizeof (buf), stdin) == NULL) {
+      errorMsg("%s: No `begin' line\n", inname);
+      return FALSE;
+    }
+
+    if (strncmp (buf, "begin", 5) == 0) {
+      if (sscanf (buf, "begin-base64 %o %s", &mode, buf) == 2) {
+        do_base64 = 1;
+        break;
+      } else if (sscanf (buf, "begin %o %s", &mode, buf) == 2)
+        break;
+    }
+  }
+
+  /* If the output file name is given on the command line this rules.  */
+  if (forced_outname != NULL)
+    outname = (char *) forced_outname;
+  else {
+    /* Handle ~user/file format.  */
+    if (buf[0] != '~')
+      outname = buf;
+    else {
+      p = buf + 1;
+      while (*p != '/')
+        ++p;
+      if (*p == '\0') {
+        errorMsg("%s: Illegal ~user\n", inname);
+        return FALSE;
+      }
+      *p++ = '\0';
+      pw = getpwnam (buf + 1);
+      if (pw == NULL) {
+        errorMsg("%s: No user `%s'\n", inname, buf + 1);
+        return FALSE;
+      }
+      n = strlen (pw->pw_dir);
+      n1 = strlen (p);
+      outname = (char *) alloca ((size_t) (n + n1 + 2));
+      memcpy (outname + n + 1, p, (size_t) (n1 + 1));
+      memcpy (outname, pw->pw_dir, (size_t) n);
+      outname[n] = '/';
+    }
+  }
+
+  /* Create output file and set mode.  */
+  if (strcmp (outname, "/dev/stdout") != 0 && strcmp (outname, "-") != 0
+      && (freopen (outname, "w", stdout) == NULL
+	  || chmod (outname, mode & (S_IRWXU | S_IRWXG | S_IRWXO))
+         )) {
+    errorMsg("uudeoce %s: %s %s\n", outname, inname, strerror(errno)); /* */
+    return FALSE;
+  }
+
+  /* We differenciate decoding standard UU encoding and base64.  A
+     common function would only slow down the program.  */
+
+  /* For each input line:  */
+  if (do_base64)
+    return read_base64 (inname);
+  else
+    return read_stduu (inname);
+}
+
+static const char uudecode_usage[] =
+    "uudecode [FILE]...\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+    "\nUudecode a file that is uuencoded.\n\n"
+    "Options:\n"
+    "\t-o FILE\tdirect output to FILE\n"
+#endif
+;
+
+int uudecode_main (int argc,
+                   char **argv)
+{
+  int opt;
+  int exit_status;
+  const char *outname;
+  outname = NULL;
+
+  while ((opt = getopt(argc, argv, "o:")) != EOF) {
+    switch (opt) {
+     case 0:
+      break;
+
+     case 'o':
+      outname = optarg;
+      break;
+
+     default:
+      usage(uudecode_usage);
+    }
+  }
+
+  if (optind == argc)
+    exit_status = decode ("stdin", outname) == 0 ? TRUE : FALSE;
+  else {
+    exit_status = TRUE;
+    do {
+      if (freopen (argv[optind], "r", stdin) != NULL) {
+        if (decode (argv[optind], outname) != 0)
+          exit_status = FALSE;
+      } else {
+        errorMsg("uudecode: %s: %s\n", argv[optind], strerror(errno));
+        exit_status = FALSE;
+      }
+      optind++;
+    }
+    while (optind < argc);
+  }
+  exit(exit_status);
+}

coreutils/uuencode.c

@@ -0,0 +1,244 @@
+/* uuencode.c -- uuencode utility.
+ * Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ *
+ * This product 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, or (at your option)
+ * any later version.
+ *
+ * This product 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 product; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/* Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *       This product includes software developed by the University of
+ *       California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93.  */
+/* Hacked to work with BusyBox by Alfred M. Szmidt */
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+
+#define	RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
+
+static void encode __P ((void));
+
+/* Pointer to the translation table we currently use.  */
+const char *trans_ptr;
+
+/* The two currently defined translation tables.  The first is the
+   standard uuencoding, the second is base64 encoding.  */
+const char uu_std[64] = {
+  '`', '!', '"', '#', '$', '%', '&', '\'',
+  '(', ')', '*', '+', ',', '-', '.', '/',
+  '0', '1', '2', '3', '4', '5', '6', '7',
+  '8', '9', ':', ';', '<', '=', '>', '?',
+  '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+  'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+  'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+  'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
+};
+
+const char uu_base64[64] = {
+  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+  'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+  'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+  'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+  'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+  'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+  'w', 'x', 'y', 'z', '0', '1', '2', '3',
+  '4', '5', '6', '7', '8', '9', '+', '/'
+};
+
+/* ENC is the basic 1 character encoding function to make a char printing.  */
+#define ENC(Char) (trans_ptr[(Char) & 077])
+
+/* Copy from IN to OUT, encoding as you go along. */
+static void encode()
+{
+  register int ch, n;
+  char *p = NULL;
+  char buf[80];
+
+  while (1) {
+    n = 0;
+    do {
+      register int m = fread (buf, 1, 45 - n, stdin);
+      if (m == 0)
+        break;
+      n += m;
+    }
+    while (n < 45);
+
+    if (n == 0)
+      break;
+
+    if (trans_ptr == uu_std)
+      if (putchar (ENC (n)) == EOF)
+        break;
+    for (p = buf; n > 2; n -= 3, p += 3) {
+      ch = *p >> 2;
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = p[2] & 077;
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+    }
+
+    if (n != 0)
+      break;
+
+    if (putchar ('\n') == EOF)
+      break;
+  }
+
+  while (n != 0) {
+    char c1 = *p;
+    char c2 = n == 1 ? 0 : p[1];
+
+    ch = c1 >> 2;
+    ch = ENC (ch);
+    if (putchar (ch) == EOF)
+      break;
+
+    ch = ((c1 << 4) & 060) | ((c2 >> 4) & 017);
+    ch = ENC (ch);
+    if (putchar (ch) == EOF)
+      break;
+
+    if (n == 1)
+      ch = trans_ptr == uu_std ? ENC ('\0') : '=';
+    else {
+      ch = (c2 << 2) & 074;
+      ch = ENC (ch);
+    }
+    if (putchar (ch) == EOF)
+      break;
+    ch = trans_ptr == uu_std ? ENC ('\0') : '=';
+    if (putchar (ch) == EOF)
+      break;
+    putchar ('\n');
+    break;
+  }
+
+  if (ferror (stdin))
+    errorMsg("Read error\n");
+
+  if (trans_ptr == uu_std) {
+    putchar (ENC ('\0'));
+    putchar ('\n');
+  }
+}
+
+static const char uuencode_usage[] =
+    "uuencode [OPTION] [INFILE] REMOTEFILE\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+    "\nUuencode a file.\n\n"
+    "Options:\n"
+    "\t-m\tuse base64 encoding as of RFC1521\n"
+#endif
+;
+
+int uuencode_main (int argc,
+                   char **argv)
+{
+  int opt;
+  struct stat sb;
+  int mode;
+
+  trans_ptr = uu_std;      /* Standard encoding is old uu format */
+
+  /* Parse any options */
+  while ((opt = getopt (argc, argv, "m")) != EOF) {
+    switch (opt) {
+     case 'm':
+      trans_ptr = uu_base64;
+      break;
+
+     case 0:
+      break;
+
+     default:
+      usage(uuencode_usage);
+    }
+  }
+
+  switch (argc - optind) {
+   case 2:
+    /* Optional first argument is input file.  */
+    if (!freopen (argv[optind], "r", stdin) || fstat (fileno (stdin), &sb)) {
+      errorMsg("uuencode: %s: %s\n", argv[optind], strerror(errno));
+      exit FALSE;
+    }
+    mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+    optind++;
+    break;
+
+   case 1:
+    mode = RW & ~umask (RW);
+    break;
+
+   case 0:
+   default:
+    usage(uuencode_usage);
+  }
+
+  printf("begin%s %o %s\n", trans_ptr == uu_std ? "" : "-base64",
+            mode, argv[optind]);
+  encode();
+  printf(trans_ptr == uu_std ? "end\n" : "====\n");
+  if (ferror (stdout)) {
+    errorMsg("Write error\n");
+    exit FALSE;
+  }
+  exit TRUE;
+}

df.c

@@ -51,7 +51,6 @@ static int df(char *device, const char *mountPoint)
 		blocks_used = s.f_blocks - s.f_bfree;
 		blocks_percent_used = (long)
 			(blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
-		/* Note that if /etc/fstab is missing, libc can't fix up /dev/root for us */
 		if (strcmp(device, "/dev/root") == 0) {
 			/* Adjusts device to be the real root device,
 			 * or leaves device alone if it can't find it */

docs/busybox.pod

@@ -59,11 +59,12 @@ ar, basename, cat, chgrp, chmod, chown, chroot, clear, chvt, cp, cut, date, dd,
 df, dirname, dmesg, du, dutmp, echo, false, fbset, fdflush, find, free,
 freeramdisk, deallocvt, fsck.minix, grep, gunzip, gzip, halt, head, hostid,
 hostname, id, init, kill, killall, length, ln, loadacm, loadfont, loadkmap,
-logger, logname, ls, lsmod, makedevs, math, mkdir, mkfifo, mkfs.minix, mknod,
+logger, logname, ls, lsmod, makedevs, math, md5sum, mkdir, mkfifo, mkfs.minix,
-mkswap, mktemp, nc, more, mount, mt, mv, nslookup, ping, poweroff, printf, ps,
+mknod, mkswap, mktemp, nc, more, mount, mt, mv, nslookup, ping, poweroff,
-pwd, reboot, rm, rmdir, rmmod, sed, setkeycodes, sh, sfdisk, sleep, sort, sync,
+printf, ps, pwd, reboot, rm, rmdir, rmmod, sed, setkeycodes, sh, sfdisk, sleep,
-syslogd, swapon, swapoff, tail, tar, test, tee, touch, tr, true, tty, umount,
+sort, sync, syslogd, swapon, swapoff, tail, tar, test, tee, touch, tr, true,
-uname, uniq, update, uptime, usleep, wc, whoami, yes, zcat, [
+tty, umount, uname, uniq, update, uptime, usleep, uudecode, uuencode, wc,
+whoami, yes, zcat, [
 
 -------------------------------
 
@@ -1034,6 +1035,35 @@ Example:
 
 -------------------------------
 
+=item md5sum
+
+Usage: md5sum [OPTION] [file ...]
+
+Print or check MD5 checksums.
+
+Options:
+
+	-b       read files in binary mode
+	-c       check MD5 sums against given list
+	-t       read files in text mode (default)
+	-g       read a string
+
+The following two options are useful only when verifying checksums:
+
+	-s       don't output anything, status code shows success
+	-w       warn about improperly formated MD5 checksum lines
+
+Example:
+
+	$ md5sum busybox
+	6fd11e98b98a58f64ff3398d7b324003  busybox
+	$ md5sum -c -
+	6fd11e98b98a58f64ff3398d7b324003  busybox
+	busybox: OK
+	^D
+
+-------------------------------
+
 =item mkdir
 
 Usage: mkdir [OPTION] DIRECTORY...
@@ -1724,6 +1754,45 @@ Example:
 
 -------------------------------
 
+=item uuencode
+
+Usage: uuencode [OPTION] [INFILE] REMOTEFILE
+
+Uuencode a file.
+
+Options:
+
+	-m      use base64 encoding as of RFC1521
+
+Example:
+
+	$ uuencode busybox busybox
+	begin 755 busybox
+	M?T5,1@$!`0````````````(``P`!````L+@$"#0```!0N@,``````#0`(``&
+	.....
+	$ uudecode busybox busybox > busybox.uu
+	$
+
+-------------------------------
+
+=item uudecode
+
+Usage: uudecode [OPTION] [FILE]
+
+Uudecode a uuencoded file
+
+Options:
+
+	-o FILE  direct output to FILE
+
+Example:
+
+	$ uudecode -o busybox busybox.uu
+	$ ls -l busybox
+	-rwxr-xr-x   1 ams      ams        245264 Jun  7 21:35 busybox
+
+-------------------------------
+
 =item umount
 
 Usage: umount [flags] filesystem|directory
@@ -1952,4 +2021,4 @@ Enrique Zanardi <ezanardi@ull.es>
 
 =cut
 
-# $Id: busybox.pod,v 1.40 2000/06/12 23:04:55 beppu Exp $
+# $Id: busybox.pod,v 1.41 2000/06/13 06:54:53 andersen Exp $

internal.h

@@ -149,6 +149,7 @@ extern int ls_main(int argc, char** argv);
 extern int lsmod_main(int argc, char** argv);
 extern int makedevs_main(int argc, char** argv);
 extern int math_main(int argc, char** argv);
+extern int md5sum_main(int argc, char** argv);
 extern int mkdir_main(int argc, char** argv);
 extern int mkfifo_main(int argc, char **argv);
 extern int mkfs_minix_main(int argc, char **argv);
@@ -189,6 +190,8 @@ extern int true_main(int argc, char** argv);
 extern int tput_main(int argc, char** argv);
 extern int tryopen_main(int argc, char** argv);
 extern int tty_main(int argc, char** argv);
+extern int uuencode_main(int argc, char** argv);
+extern int uudecode_main(int argc, char** argv);
 extern int umount_main(int argc, char** argv);
 extern int uname_main(int argc, char** argv);
 extern int uptime_main(int argc, char** argv);

uudecode.c

@@ -0,0 +1,350 @@
+/* uudecode.c -- uudecode utility.
+ * Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ *
+ * This product 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, or (at your option)
+ * any later version.
+ *
+ * This product 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 product; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/* Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *       This product includes software developed by the University of
+ *       California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93.  */
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+
+/*struct passwd *getpwnam();*/
+
+/* Single character decode.  */
+#define	DEC(Char) (((Char) - ' ') & 077)
+
+static int read_stduu (const char *inname)
+{
+  char buf[2 * BUFSIZ];
+
+  while (1) {
+    int n;
+    char *p;
+
+    if (fgets (buf, sizeof(buf), stdin) == NULL) {
+      errorMsg("%s: Short file\n", inname);
+      return FALSE;
+    }
+    p = buf;
+
+    /* N is used to avoid writing out all the characters at the end of
+       the file.  */
+    n = DEC (*p);
+    if (n <= 0)
+      break;
+    for (++p; n > 0; p += 4, n -= 3) {
+      char ch;
+
+      if (n >= 3) {
+        ch = DEC (p[0]) << 2 | DEC (p[1]) >> 4;
+        putchar (ch);
+        ch = DEC (p[1]) << 4 | DEC (p[2]) >> 2;
+        putchar (ch);
+        ch = DEC (p[2]) << 6 | DEC (p[3]);
+        putchar (ch);
+      } else {
+        if (n >= 1) {
+          ch = DEC (p[0]) << 2 | DEC (p[1]) >> 4;
+          putchar (ch);
+        }
+        if (n >= 2) {
+          ch = DEC (p[1]) << 4 | DEC (p[2]) >> 2;
+          putchar (ch);
+        }
+      }
+    }
+  }
+
+  if (fgets (buf, sizeof(buf), stdin) == NULL
+      || strcmp (buf, "end\n")) {
+    errorMsg("%s: No `end' line\n", inname);
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+static int read_base64 (const char *inname)
+{
+  static const char b64_tab[256] = {
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*000-007*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*010-017*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*020-027*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*030-037*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*040-047*/
+    '\177', '\177', '\177', '\76',  '\177', '\177', '\177', '\77',  /*050-057*/
+    '\64',  '\65',  '\66',  '\67',  '\70',  '\71',  '\72',  '\73',  /*060-067*/
+    '\74',  '\75',  '\177', '\177', '\177', '\100', '\177', '\177', /*070-077*/
+    '\177', '\0',   '\1',   '\2',   '\3',   '\4',   '\5',   '\6',   /*100-107*/
+    '\7',   '\10',  '\11',  '\12',  '\13',  '\14',  '\15',  '\16',  /*110-117*/
+    '\17',  '\20',  '\21',  '\22',  '\23',  '\24',  '\25',  '\26',  /*120-127*/
+    '\27',  '\30',  '\31',  '\177', '\177', '\177', '\177', '\177', /*130-137*/
+    '\177', '\32',  '\33',  '\34',  '\35',  '\36',  '\37',  '\40',  /*140-147*/
+    '\41',  '\42',  '\43',  '\44',  '\45',  '\46',  '\47',  '\50',  /*150-157*/
+    '\51',  '\52',  '\53',  '\54',  '\55',  '\56',  '\57',  '\60',  /*160-167*/
+    '\61',  '\62',  '\63',  '\177', '\177', '\177', '\177', '\177', /*170-177*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*200-207*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*210-217*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*220-227*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*230-237*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*240-247*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*250-257*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*260-267*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*270-277*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*300-307*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*310-317*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*320-327*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*330-337*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*340-347*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*350-357*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*360-367*/
+    '\177', '\177', '\177', '\177', '\177', '\177', '\177', '\177', /*370-377*/
+  };
+  unsigned char buf[2 * BUFSIZ];
+
+  while (1) {
+    int last_data = 0;
+    unsigned char *p;
+
+    if (fgets (buf, sizeof(buf), stdin) == NULL) {
+      errorMsg("%s: Short file\n", inname);
+      return FALSE;
+    }
+    p = buf;
+
+    if (memcmp (buf, "====", 4) == 0)
+      break;
+    if (last_data != 0) {
+      errorMsg("%s: data following `=' padding character\n", inname);
+      return FALSE;
+    }
+
+    /* The following implementation of the base64 decoding might look
+       a bit clumsy but I only try to follow the POSIX standard:
+       ``All line breaks or other characters not found in the table
+       [with base64 characters] shall be ignored by decoding
+       software.''  */
+    while (*p != '\n') {
+      char c1, c2, c3;
+
+      while ((b64_tab[*p] & '\100') != 0)
+        if (*p == '\n' || *p++ == '=')
+          break;
+      if (*p == '\n')
+        /* This leaves the loop.  */
+        continue;
+      c1 = b64_tab[*p++];
+
+      while ((b64_tab[*p] & '\100') != 0)
+        if (*p == '\n' || *p++ == '=') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      c2 = b64_tab[*p++];
+
+      while (b64_tab[*p] == '\177')
+        if (*p++ == '\n') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      if (*p == '=') {
+        putchar (c1 << 2 | c2 >> 4);
+        last_data = 1;
+        break;
+      }
+      c3 = b64_tab[*p++];
+
+      while (b64_tab[*p] == '\177')
+        if (*p++ == '\n') {
+          errorMsg("%s: illegal line\n", inname);
+          return FALSE;
+        }
+      putchar (c1 << 2 | c2 >> 4);
+      putchar (c2 << 4 | c3 >> 2);
+      if (*p == '=') {
+        last_data = 1;
+        break;
+      }
+      else
+        putchar (c3 << 6 | b64_tab[*p++]);
+    }
+  }
+
+  return TRUE;
+}
+
+static int decode (const char *inname,
+                   const char *forced_outname)
+{
+  struct passwd *pw;
+  register int n;
+  register char *p;
+  int mode, n1;
+  char buf[2 * BUFSIZ];
+  char *outname;
+  int do_base64 = 0;
+
+  /* Search for header line.  */
+
+  while (1) {
+    if (fgets (buf, sizeof (buf), stdin) == NULL) {
+      errorMsg("%s: No `begin' line\n", inname);
+      return FALSE;
+    }
+
+    if (strncmp (buf, "begin", 5) == 0) {
+      if (sscanf (buf, "begin-base64 %o %s", &mode, buf) == 2) {
+        do_base64 = 1;
+        break;
+      } else if (sscanf (buf, "begin %o %s", &mode, buf) == 2)
+        break;
+    }
+  }
+
+  /* If the output file name is given on the command line this rules.  */
+  if (forced_outname != NULL)
+    outname = (char *) forced_outname;
+  else {
+    /* Handle ~user/file format.  */
+    if (buf[0] != '~')
+      outname = buf;
+    else {
+      p = buf + 1;
+      while (*p != '/')
+        ++p;
+      if (*p == '\0') {
+        errorMsg("%s: Illegal ~user\n", inname);
+        return FALSE;
+      }
+      *p++ = '\0';
+      pw = getpwnam (buf + 1);
+      if (pw == NULL) {
+        errorMsg("%s: No user `%s'\n", inname, buf + 1);
+        return FALSE;
+      }
+      n = strlen (pw->pw_dir);
+      n1 = strlen (p);
+      outname = (char *) alloca ((size_t) (n + n1 + 2));
+      memcpy (outname + n + 1, p, (size_t) (n1 + 1));
+      memcpy (outname, pw->pw_dir, (size_t) n);
+      outname[n] = '/';
+    }
+  }
+
+  /* Create output file and set mode.  */
+  if (strcmp (outname, "/dev/stdout") != 0 && strcmp (outname, "-") != 0
+      && (freopen (outname, "w", stdout) == NULL
+	  || chmod (outname, mode & (S_IRWXU | S_IRWXG | S_IRWXO))
+         )) {
+    errorMsg("uudeoce %s: %s %s\n", outname, inname, strerror(errno)); /* */
+    return FALSE;
+  }
+
+  /* We differenciate decoding standard UU encoding and base64.  A
+     common function would only slow down the program.  */
+
+  /* For each input line:  */
+  if (do_base64)
+    return read_base64 (inname);
+  else
+    return read_stduu (inname);
+}
+
+static const char uudecode_usage[] =
+    "uudecode [FILE]...\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+    "\nUudecode a file that is uuencoded.\n\n"
+    "Options:\n"
+    "\t-o FILE\tdirect output to FILE\n"
+#endif
+;
+
+int uudecode_main (int argc,
+                   char **argv)
+{
+  int opt;
+  int exit_status;
+  const char *outname;
+  outname = NULL;
+
+  while ((opt = getopt(argc, argv, "o:")) != EOF) {
+    switch (opt) {
+     case 0:
+      break;
+
+     case 'o':
+      outname = optarg;
+      break;
+
+     default:
+      usage(uudecode_usage);
+    }
+  }
+
+  if (optind == argc)
+    exit_status = decode ("stdin", outname) == 0 ? TRUE : FALSE;
+  else {
+    exit_status = TRUE;
+    do {
+      if (freopen (argv[optind], "r", stdin) != NULL) {
+        if (decode (argv[optind], outname) != 0)
+          exit_status = FALSE;
+      } else {
+        errorMsg("uudecode: %s: %s\n", argv[optind], strerror(errno));
+        exit_status = FALSE;
+      }
+      optind++;
+    }
+    while (optind < argc);
+  }
+  exit(exit_status);
+}

uuencode.c

@@ -0,0 +1,244 @@
+/* uuencode.c -- uuencode utility.
+ * Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ *
+ * This product 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, or (at your option)
+ * any later version.
+ *
+ * This product 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 product; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+/* Copyright (c) 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *       This product includes software developed by the University of
+ *       California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93.  */
+/* Hacked to work with BusyBox by Alfred M. Szmidt */
+
+#include "internal.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <pwd.h>
+
+#define	RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
+
+static void encode __P ((void));
+
+/* Pointer to the translation table we currently use.  */
+const char *trans_ptr;
+
+/* The two currently defined translation tables.  The first is the
+   standard uuencoding, the second is base64 encoding.  */
+const char uu_std[64] = {
+  '`', '!', '"', '#', '$', '%', '&', '\'',
+  '(', ')', '*', '+', ',', '-', '.', '/',
+  '0', '1', '2', '3', '4', '5', '6', '7',
+  '8', '9', ':', ';', '<', '=', '>', '?',
+  '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
+  'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+  'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+  'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
+};
+
+const char uu_base64[64] = {
+  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+  'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+  'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+  'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+  'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+  'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+  'w', 'x', 'y', 'z', '0', '1', '2', '3',
+  '4', '5', '6', '7', '8', '9', '+', '/'
+};
+
+/* ENC is the basic 1 character encoding function to make a char printing.  */
+#define ENC(Char) (trans_ptr[(Char) & 077])
+
+/* Copy from IN to OUT, encoding as you go along. */
+static void encode()
+{
+  register int ch, n;
+  char *p = NULL;
+  char buf[80];
+
+  while (1) {
+    n = 0;
+    do {
+      register int m = fread (buf, 1, 45 - n, stdin);
+      if (m == 0)
+        break;
+      n += m;
+    }
+    while (n < 45);
+
+    if (n == 0)
+      break;
+
+    if (trans_ptr == uu_std)
+      if (putchar (ENC (n)) == EOF)
+        break;
+    for (p = buf; n > 2; n -= 3, p += 3) {
+      ch = *p >> 2;
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+      ch = p[2] & 077;
+      ch = ENC (ch);
+      if (putchar (ch) == EOF)
+        break;
+    }
+
+    if (n != 0)
+      break;
+
+    if (putchar ('\n') == EOF)
+      break;
+  }
+
+  while (n != 0) {
+    char c1 = *p;
+    char c2 = n == 1 ? 0 : p[1];
+
+    ch = c1 >> 2;
+    ch = ENC (ch);
+    if (putchar (ch) == EOF)
+      break;
+
+    ch = ((c1 << 4) & 060) | ((c2 >> 4) & 017);
+    ch = ENC (ch);
+    if (putchar (ch) == EOF)
+      break;
+
+    if (n == 1)
+      ch = trans_ptr == uu_std ? ENC ('\0') : '=';
+    else {
+      ch = (c2 << 2) & 074;
+      ch = ENC (ch);
+    }
+    if (putchar (ch) == EOF)
+      break;
+    ch = trans_ptr == uu_std ? ENC ('\0') : '=';
+    if (putchar (ch) == EOF)
+      break;
+    putchar ('\n');
+    break;
+  }
+
+  if (ferror (stdin))
+    errorMsg("Read error\n");
+
+  if (trans_ptr == uu_std) {
+    putchar (ENC ('\0'));
+    putchar ('\n');
+  }
+}
+
+static const char uuencode_usage[] =
+    "uuencode [OPTION] [INFILE] REMOTEFILE\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+    "\nUuencode a file.\n\n"
+    "Options:\n"
+    "\t-m\tuse base64 encoding as of RFC1521\n"
+#endif
+;
+
+int uuencode_main (int argc,
+                   char **argv)
+{
+  int opt;
+  struct stat sb;
+  int mode;
+
+  trans_ptr = uu_std;      /* Standard encoding is old uu format */
+
+  /* Parse any options */
+  while ((opt = getopt (argc, argv, "m")) != EOF) {
+    switch (opt) {
+     case 'm':
+      trans_ptr = uu_base64;
+      break;
+
+     case 0:
+      break;
+
+     default:
+      usage(uuencode_usage);
+    }
+  }
+
+  switch (argc - optind) {
+   case 2:
+    /* Optional first argument is input file.  */
+    if (!freopen (argv[optind], "r", stdin) || fstat (fileno (stdin), &sb)) {
+      errorMsg("uuencode: %s: %s\n", argv[optind], strerror(errno));
+      exit FALSE;
+    }
+    mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+    optind++;
+    break;
+
+   case 1:
+    mode = RW & ~umask (RW);
+    break;
+
+   case 0:
+   default:
+    usage(uuencode_usage);
+  }
+
+  printf("begin%s %o %s\n", trans_ptr == uu_std ? "" : "-base64",
+            mode, argv[optind]);
+  encode();
+  printf(trans_ptr == uu_std ? "end\n" : "====\n");
+  if (ferror (stdout)) {
+    errorMsg("Write error\n");
+    exit FALSE;
+  }
+  exit TRUE;
+}