X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/6294d633e80db8e89697db796e6f6025d5af0cae..ad7871609881e73855d0b04da49b486cd93efca7:/usr/src/libexec/ftpd/ftpd.c

diff --git a/usr/src/libexec/ftpd/ftpd.c b/usr/src/libexec/ftpd/ftpd.c
index 7aaec859c1..30c26ca8b9 100644
--- a/usr/src/libexec/ftpd/ftpd.c
+++ b/usr/src/libexec/ftpd/ftpd.c
@@ -2,7 +2,33 @@
  * Copyright (c) 1985, 1988, 1990, 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
- * %sccs.include.redist.c%
+ * 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
@@ -12,7 +38,7 @@ static char copyright[] =
 #endif /* not lint */
 
 #ifndef lint
-static char sccsid[] = "@(#)ftpd.c	8.1 (Berkeley) %G%";
+static char sccsid[] = "@(#)ftpd.c	8.1 (Berkeley) 6/4/93";
 #endif /* not lint */
 
 /*
@@ -59,6 +85,7 @@ static char sccsid[] = "@(#)ftpd.c	8.1 (Berkeley) %G%";
 extern	off_t restart_point;
 extern	char *home;		/* pointer to home directory for glob */
 extern	char cbuf[];
+extern	char version[];
 
 struct	sockaddr_in ctrl_addr;
 struct	sockaddr_in data_source;
@@ -637,6 +664,25 @@ retrieve(cmd, name)
 		reply(550, "%s: not a plain file.", name);
 		goto done;
 	}
+	if (restart_point) {
+		if (type == TYPE_A) {
+			register int i, n, c;
+
+			n = restart_point;
+			i = 0;
+			while (i++ < n) {
+				if ((c=getc(fin)) == EOF) {
+					perror_reply(550, name);
+					goto done;
+				}
+				if (c == '\n')
+					i++;
+			}
+		} else if (lseek(fileno(fin), restart_point, L_SET) < 0) {
+			perror_reply(550, name);
+			goto done;
+		}
+	}
 	dout = dataconn(name, st.st_size, "w");
 	if (dout == NULL)
 		goto done;
@@ -665,6 +711,8 @@ store(name, mode, unique)
 		return;
 	}
 
+	if (restart_point)
+		mode = "r+w";
 	fout = fopen(name, mode);
 	closefunc = fclose;
 	if (fout == NULL) {
@@ -672,6 +720,35 @@ store(name, mode, unique)
 		LOGCMD(*mode == 'w' ? "put" : "append", name);
 		return;
 	}
+	byte_count = -1;
+	if (restart_point) {
+		if (type == TYPE_A) {
+			register int i, n, c;
+
+			n = restart_point;
+			i = 0;
+			while (i++ < n) {
+				if ((c=getc(fout)) == EOF) {
+					perror_reply(550, name);
+					goto done;
+				}
+				if (c == '\n')
+					i++;
+			}
+			/*
+			 * We must do this seek to "current" position
+			 * because we are changing from reading to
+			 * writing.
+			 */
+			if (fseek(fout, 0L, L_INCR) < 0) {
+				perror_reply(550, name);
+				goto done;
+			}
+		} else if (lseek(fileno(fout), restart_point, L_SET) < 0) {
+			perror_reply(550, name);
+			goto done;
+		}
+	}
 	din = dataconn(name, (off_t)-1, "r");
 	if (din == NULL)
 		goto done;