BSD 4_4 release

[unix-history] / usr / src / libexec / ftpd / ftpd.c

diff --git a/usr/src/libexec/ftpd/ftpd.c b/usr/src/libexec/ftpd/ftpd.c
index 7aaec85..30c26ca 100644 (file)
--- 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.
  *
  * 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
  */
 
 #ifndef lint


@@ -12,7 +38,7 @@ static char copyright[] =
 #endif /* not lint */
 
 #ifndef lint
 #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 */
 
 /*
 #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 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;
 
 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;
        }
                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;
        dout = dataconn(name, st.st_size, "w");
        if (dout == NULL)
                goto done;


@@ -665,6 +711,8 @@ store(name, mode, unique)
                return;
        }
 
                return;
        }
 

+       if (restart_point)
+               mode = "r+w";

        fout = fopen(name, mode);
        closefunc = fclose;
        if (fout == NULL) {
        fout = fopen(name, mode);
        closefunc = fclose;
        if (fout == NULL) {


@@ -672,6 +720,35 @@ store(name, mode, unique)
                LOGCMD(*mode == 'w' ? "put" : "append", name);
                return;
        }
                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;
        din = dataconn(name, (off_t)-1, "r");
        if (din == NULL)
                goto done;