BSD 4.4 Lite Usr.bin Sources

2 files changed, 193 insertions, 0 deletions

diff --git a/usr.bin/uudecode/Makefile b/usr.bin/uudecode/Makefile
new file mode 100644
index 0000000..6f515ae
--- /dev/null
+++ b/usr.bin/uudecode/Makefile
@@ -0,0 +1,6 @@
+#	@(#)Makefile	8.1 (Berkeley) 6/6/93
+
+PROG=	uudecode
+NOMAN=	noman
+
+.include <bsd.prog.mk>
diff --git a/usr.bin/uudecode/uudecode.c b/usr.bin/uudecode/uudecode.c
new file mode 100644
index 0000000..af87847
--- /dev/null
+++ b/usr.bin/uudecode/uudecode.c
@@ -0,0 +1,187 @@
+/*-
+ * Copyright (c) 1983, 1993
+ *	The 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.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1983, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)uudecode.c	8.2 (Berkeley) 4/2/94";
+#endif /* not lint */
+
+/*
+ * uudecode [file ...]
+ *
+ * create the specified file, decoding as you go.
+ * used with uuencode.
+ */
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <pwd.h>
+#include <stdio.h>
+#include <string.h>
+
+char *filename;
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	extern int errno;
+	int rval;
+
+	if (*++argv) {
+		rval = 0;
+		do {
+			if (!freopen(filename = *argv, "r", stdin)) {
+				(void)fprintf(stderr, "uudecode: %s: %s\n",
+				    *argv, strerror(errno));
+				rval = 1;
+				continue;
+			}
+			rval |= decode();
+		} while (*++argv);
+	} else {
+		filename = "stdin";
+		rval = decode();
+	}
+	exit(rval);
+}
+
+decode()
+{
+	extern int errno;
+	struct passwd *pw;
+	register int n;
+	register char ch, *p;
+	int mode, n1;
+	char buf[MAXPATHLEN];
+
+	/* search for header line */
+	do {
+		if (!fgets(buf, sizeof(buf), stdin)) {
+			(void)fprintf(stderr,
+			    "uudecode: %s: no \"begin\" line\n", filename);
+			return(1);
+		}
+	} while (strncmp(buf, "begin ", 6));
+	(void)sscanf(buf, "begin %o %s", &mode, buf);
+
+	/* handle ~user/file format */
+	if (buf[0] == '~') {
+		if (!(p = index(buf, '/'))) {
+			(void)fprintf(stderr, "uudecode: %s: illegal ~user.\n",
+			    filename);
+			return(1);
+		}
+		*p++ = NULL;
+		if (!(pw = getpwnam(buf + 1))) {
+			(void)fprintf(stderr, "uudecode: %s: no user %s.\n",
+			    filename, buf);
+			return(1);
+		}
+		n = strlen(pw->pw_dir);
+		n1 = strlen(p);
+		if (n + n1 + 2 > MAXPATHLEN) {
+			(void)fprintf(stderr, "uudecode: %s: path too long.\n",
+			    filename);
+			return(1);
+		}
+		bcopy(p, buf + n + 1, n1 + 1);
+		bcopy(pw->pw_dir, buf, n);
+		buf[n] = '/';
+	}
+
+	/* create output file, set mode */
+	if (!freopen(buf, "w", stdout) ||
+	    fchmod(fileno(stdout), mode&0666)) {
+		(void)fprintf(stderr, "uudecode: %s: %s: %s\n", buf,
+		    filename, strerror(errno));
+		return(1);
+	}
+
+	/* for each input line */
+	for (;;) {
+		if (!fgets(p = buf, sizeof(buf), stdin)) {
+			(void)fprintf(stderr, "uudecode: %s: short file.\n",
+			    filename);
+			return(1);
+		}
+#define	DEC(c)	(((c) - ' ') & 077)		/* single character decode */
+		/*
+		 * `n' is used to avoid writing out all the characters
+		 * at the end of the file.
+		 */
+		if ((n = DEC(*p)) <= 0)
+			break;
+		for (++p; n > 0; p += 4, n -= 3)
+			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 (n >= 3) {
+					ch = DEC(p[2]) << 6 | DEC(p[3]);
+					putchar(ch);
+				}
+			}
+	}
+	if (!fgets(buf, sizeof(buf), stdin) || strcmp(buf, "end\n")) {
+		(void)fprintf(stderr, "uudecode: %s: no \"end\" line.\n",
+		    filename);
+		return(1);
+	}
+	return(0);
+}
+
+usage()
+{
+	(void)fprintf(stderr, "usage: uudecode [file ...]\n");
+	exit(1);
+}