BSD 4.4 Lite sbin Sources

Note:  XNSrouted and routed NOT imported here, they shall be imported with
usr.sbin.

1 files changed, 271 insertions, 0 deletions

diff --git a/sbin/dump/itime.c b/sbin/dump/itime.c
new file mode 100644
index 0000000..94656ac
--- /dev/null
+++ b/sbin/dump/itime.c
@@ -0,0 +1,271 @@
+/*-
+ * Copyright (c) 1980, 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
+static char sccsid[] = "@(#)itime.c	8.1 (Berkeley) 6/5/93";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#ifdef sunos
+#include <sys/vnode.h>
+
+#include <ufs/fsdir.h>
+#include <ufs/inode.h>
+#include <ufs/fs.h>
+#else
+#include <ufs/ufs/dinode.h>
+#endif
+
+#include <protocols/dumprestore.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#ifdef __STDC__
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "dump.h"
+
+struct	dumpdates **ddatev = 0;
+int	nddates = 0;
+int	ddates_in = 0;
+struct	dumptime *dthead = 0;
+
+static	void dumprecout __P((FILE *, struct dumpdates *));
+static	int getrecord __P((FILE *, struct dumpdates *));
+static	int makedumpdate __P((struct dumpdates *, char *));
+static	void readdumptimes __P((FILE *));
+
+void
+initdumptimes()
+{
+	FILE *df;
+
+	if ((df = fopen(dumpdates, "r")) == NULL) {
+		if (errno != ENOENT) {
+			quit("cannot read %s: %s\n", dumpdates,
+			    strerror(errno));
+			/* NOTREACHED */
+		}
+		/*
+		 * Dumpdates does not exist, make an empty one.
+		 */
+		msg("WARNING: no file `%s', making an empty one\n", dumpdates);
+		if ((df = fopen(dumpdates, "w")) == NULL) {
+			quit("cannot create %s: %s\n", dumpdates,
+			    strerror(errno));
+			/* NOTREACHED */
+		}
+		(void) fclose(df);
+		if ((df = fopen(dumpdates, "r")) == NULL) {
+			quit("cannot read %s even after creating it: %s\n",
+			    dumpdates, strerror(errno));
+			/* NOTREACHED */
+		}
+	}
+	(void) flock(fileno(df), LOCK_SH);
+	readdumptimes(df);
+	(void) fclose(df);
+}
+
+static void
+readdumptimes(df)
+	FILE *df;
+{
+	register int i;
+	register struct	dumptime *dtwalk;
+
+	for (;;) {
+		dtwalk = (struct dumptime *)calloc(1, sizeof (struct dumptime));
+		if (getrecord(df, &(dtwalk->dt_value)) < 0)
+			break;
+		nddates++;
+		dtwalk->dt_next = dthead;
+		dthead = dtwalk;
+	}
+
+	ddates_in = 1;
+	/*
+	 *	arrayify the list, leaving enough room for the additional
+	 *	record that we may have to add to the ddate structure
+	 */
+	ddatev = (struct dumpdates **)
+		calloc((unsigned) (nddates + 1), sizeof (struct dumpdates *));
+	dtwalk = dthead;
+	for (i = nddates - 1; i >= 0; i--, dtwalk = dtwalk->dt_next)
+		ddatev[i] = &dtwalk->dt_value;
+}
+
+void
+getdumptime()
+{
+	register struct dumpdates *ddp;
+	register int i;
+	char *fname;
+
+	fname = disk;
+#ifdef FDEBUG
+	msg("Looking for name %s in dumpdates = %s for level = %c\n",
+		fname, dumpdates, level);
+#endif
+	spcl.c_ddate = 0;
+	lastlevel = '0';
+
+	initdumptimes();
+	/*
+	 *	Go find the entry with the same name for a lower increment
+	 *	and older date
+	 */
+	ITITERATE(i, ddp) {
+		if (strncmp(fname, ddp->dd_name, sizeof (ddp->dd_name)) != 0)
+			continue;
+		if (ddp->dd_level >= level)
+			continue;
+		if (ddp->dd_ddate <= spcl.c_ddate)
+			continue;
+		spcl.c_ddate = ddp->dd_ddate;
+		lastlevel = ddp->dd_level;
+	}
+}
+
+void
+putdumptime()
+{
+	FILE *df;
+	register struct dumpdates *dtwalk;
+	register int i;
+	int fd;
+	char *fname;
+
+	if(uflag == 0)
+		return;
+	if ((df = fopen(dumpdates, "r+")) == NULL)
+		quit("cannot rewrite %s: %s\n", dumpdates, strerror(errno));
+	fd = fileno(df);
+	(void) flock(fd, LOCK_EX);
+	fname = disk;
+	free((char *)ddatev);
+	ddatev = 0;
+	nddates = 0;
+	dthead = 0;
+	ddates_in = 0;
+	readdumptimes(df);
+	if (fseek(df, 0L, 0) < 0)
+		quit("fseek: %s\n", strerror(errno));
+	spcl.c_ddate = 0;
+	ITITERATE(i, dtwalk) {
+		if (strncmp(fname, dtwalk->dd_name,
+				sizeof (dtwalk->dd_name)) != 0)
+			continue;
+		if (dtwalk->dd_level != level)
+			continue;
+		goto found;
+	}
+	/*
+	 *	construct the new upper bound;
+	 *	Enough room has been allocated.
+	 */
+	dtwalk = ddatev[nddates] =
+		(struct dumpdates *)calloc(1, sizeof (struct dumpdates));
+	nddates += 1;
+  found:
+	(void) strncpy(dtwalk->dd_name, fname, sizeof (dtwalk->dd_name));
+	dtwalk->dd_level = level;
+	dtwalk->dd_ddate = spcl.c_date;
+
+	ITITERATE(i, dtwalk) {
+		dumprecout(df, dtwalk);
+	}
+	if (fflush(df))
+		quit("%s: %s\n", dumpdates, strerror(errno));
+	if (ftruncate(fd, ftell(df)))
+		quit("ftruncate (%s): %s\n", dumpdates, strerror(errno));
+	(void) fclose(df);
+	msg("level %c dump on %s", level,
+		spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
+}
+
+static void
+dumprecout(file, what)
+	FILE *file;
+	struct dumpdates *what;
+{
+
+	if (fprintf(file, DUMPOUTFMT,
+		    what->dd_name,
+		    what->dd_level,
+		    ctime(&what->dd_ddate)) < 0)
+		quit("%s: %s\n", dumpdates, strerror(errno));
+}
+
+int	recno;
+
+static int
+getrecord(df, ddatep)
+	FILE *df;
+	struct dumpdates *ddatep;
+{
+	char tbuf[BUFSIZ];
+
+	recno = 0;
+	if ( (fgets(tbuf, sizeof (tbuf), df)) != tbuf)
+		return(-1);
+	recno++;
+	if (makedumpdate(ddatep, tbuf) < 0)
+		msg("Unknown intermediate format in %s, line %d\n",
+			dumpdates, recno);
+
+#ifdef FDEBUG
+	msg("getrecord: %s %c %s", ddatep->dd_name, ddatep->dd_level,
+	    ddatep->dd_ddate == 0 ? "the epoch\n" : ctime(&ddatep->dd_ddate));
+#endif
+	return(0);
+}
+
+static int
+makedumpdate(ddp, tbuf)
+	struct dumpdates *ddp;
+	char *tbuf;
+{
+	char un_buf[128];
+
+	(void) sscanf(tbuf, DUMPINFMT, ddp->dd_name, &ddp->dd_level, un_buf);
+	ddp->dd_ddate = unctime(un_buf);
+	if (ddp->dd_ddate < 0)
+		return(-1);
+	return(0);
+}