2 files changed, 76 insertions, 6 deletions

diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 06211b8ef..207fb0b8d 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -10,9 +10,9 @@
  * Bugs: the spec doesn't mention anything about "`\n`\n" prior to the
  * "end" line
  */
-
 #include "libbb.h"
 
+#if ENABLE_UUDECODE
 static void read_stduu(FILE *src_stream, FILE *dst_stream)
 {
         char *line;
@@ -73,13 +73,14 @@ static void read_stduu(FILE *src_stream, FILE *dst_stream)
         }
         bb_error_msg_and_die("short file");
 }
+#endif
 
 static void read_base64(FILE *src_stream, FILE *dst_stream)
 {
         int term_count = 1;
 
         while (1) {
-                char translated[4];
+                unsigned char translated[4];
                 int count = 0;
 
                 while (count < 4) {
@@ -93,6 +94,12 @@ static void read_base64(FILE *src_stream, FILE *dst_stream)
                         do {
                                 ch = fgetc(src_stream);
                                 if (ch == EOF) {
+                                        if (ENABLE_BASE64
+                                         && (!ENABLE_UUDECODE || applet_name[0] == 'b')
+                                         && count == 0
+                                        ) {
+                                                return;
+                                        }
                                         bb_error_msg_and_die("short file");
                                 }
                                 table_ptr = strchr(bb_uuenc_tbl_base64, ch);
@@ -134,6 +141,7 @@ static void read_base64(FILE *src_stream, FILE *dst_stream)
         }
 }
 
+#if ENABLE_UUDECODE
 int uudecode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int uudecode_main(int argc UNUSED_PARAM, char **argv)
 {
@@ -145,9 +153,9 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv)
         getopt32(argv, "o:", &outname);
         argv += optind;
 
-        if (!*argv)
+        if (!argv[0])
                 *--argv = (char*)"-";
-        src_stream = xfopen_stdin(*argv);
+        src_stream = xfopen_stdin(argv[0]);
 
         /* Search for the start of the encoding */
         while ((line = xmalloc_fgetline(src_stream)) != NULL) {
@@ -188,6 +196,68 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv)
         }
         bb_error_msg_and_die("no 'begin' line");
 }
+#endif
+
+//applet:IF_BASE64(APPLET(base64, _BB_DIR_BIN, _BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_BASE64) += uudecode.o
+
+//config:config BASE64
+//config:       bool "base64"
+//config:       default y
+//config:       help
+//config:         Base64 encode and decode
+
+//usage:#define base64_trivial_usage
+//usage:        "[-d] [FILE]"
+//usage:#define base64_full_usage "\n\n"
+//usage:       "Base64 encode or decode FILE to standard output"
+//usage:     "\nOptions:"
+//usage:     "\n        -d      Decode data"
+////usage:     "\n      -w COL  Wrap lines at COL (default 76, 0 disables)"
+////usage:     "\n      -i      When decoding, ignore non-alphabet characters"
+
+#if ENABLE_BASE64
+int base64_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int base64_main(int argc UNUSED_PARAM, char **argv)
+{
+        FILE *src_stream;
+        unsigned opts;
+
+        opt_complementary = "?1"; /* 1 argument max */
+        opts = getopt32(argv, "d");
+        argv += optind;
+
+        if (!argv[0])
+                *--argv = (char*)"-";
+        src_stream = xfopen_stdin(argv[0]);
+        if (opts) {
+                read_base64(src_stream, stdout);
+        } else {
+                enum {
+                        SRC_BUF_SIZE = 76/4*3,  /* This *MUST* be a multiple of 3 */
+                        DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
+                };
+                char src_buf[SRC_BUF_SIZE];
+                char dst_buf[DST_BUF_SIZE + 1];
+                int src_fd = fileno(src_stream);
+                while (1) {
+                        size_t size = full_read(src_fd, src_buf, SRC_BUF_SIZE);
+                        if (!size)
+                                break;
+                        if ((ssize_t)size < 0)
+                                bb_perror_msg_and_die(bb_msg_read_error);
+                        /* Encode the buffer we just read in */
+                        bb_uuencode(dst_buf, src_buf, size, bb_uuenc_tbl_base64);
+                        xwrite(STDOUT_FILENO, dst_buf, 4 * ((size + 2) / 3));
+                        bb_putchar('\n');
+                        fflush(stdout);
+                }
+        }
+
+        fflush_stdout_and_exit(EXIT_SUCCESS);
+}
+#endif
 
 /* Test script.
 Put this into an empty dir with busybox binary, an run.
diff --git a/coreutils/uuencode.c b/coreutils/uuencode.c
index 490f8d1bd..fe9e8c664 100644
--- a/coreutils/uuencode.c
+++ b/coreutils/uuencode.c
@@ -11,7 +11,7 @@
 #include "libbb.h"
 
 enum {
-        SRC_BUF_SIZE = 45,  /* This *MUST* be a multiple of 3 */
+        SRC_BUF_SIZE = 15*3,  /* This *MUST* be a multiple of 3 */
         DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
 };
 
@@ -33,7 +33,7 @@ int uuencode_main(int argc UNUSED_PARAM, char **argv)
         }
         argv += optind;
         if (argv[1]) {
-                src_fd = xopen(*argv, O_RDONLY);
+                src_fd = xopen(argv[0], O_RDONLY);
                 fstat(src_fd, &stat_buf);
                 mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
                 argv++;