X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=restore%2Ftape.c;h=0489574a5f9730acf59697b000281a5907deca64;hb=92a9bf12543aadfcc46e7ab9c2729b4d4d1f22ee;hp=754da610152cb9732c855c854209486f4466c3ff;hpb=08ebf8d7df645851cb5597fd7f755551655c5aa8;p=dump.git

diff --git a/restore/tape.c b/restore/tape.c
index 754da61..0489574 100644
--- a/restore/tape.c
+++ b/restore/tape.c
@@ -2,7 +2,7 @@
  *	Ported to Linux's Second Extended File System as part of the
  *	dump and restore backup suit
  *	Remy Card <card@Linux.EU.Org>, 1994-1997
- *	Stelian Pop <pop@cybercable.fr>, 1999 
+ *	Stelian Pop <pop@cybercable.fr>, 1999-2000
  */
 
 /*
@@ -45,7 +45,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: tape.c,v 1.7 1999/11/05 22:02:19 tiniou Exp $";
+	"$Id: tape.c,v 1.12 2000/03/01 10:16:05 stelian Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -81,7 +81,8 @@ static const char rcsid[] =
 static long	fssize = MAXBSIZE;
 static int	mt = -1;
 static int	pipein = 0;
-static char	*magtape;
+static char	magtape[MAXPATHLEN];
+static char	magtapeprefix[MAXPATHLEN];
 static int	blkcnt;
 static int	numtrec;
 static char	*tapebuf;
@@ -163,9 +164,14 @@ setinput(char *source)
 		pipein++;
 	}
 	setuid(getuid());	/* no longer need or want root privileges */
-	magtape = strdup(source);
-	if (magtape == NULL)
-		errx(1, "Cannot allocate space for magtape buffer");
+	if (Mflag) {
+		strncpy(magtapeprefix, source, MAXPATHLEN);
+		magtapeprefix[MAXPATHLEN-1] = '\0';
+		snprintf(magtape, MAXPATHLEN, "%s%03d", source, 1);
+	}
+	else
+		strncpy(magtape, source, MAXPATHLEN);
+	magtape[MAXPATHLEN - 1] = '\0';
 }
 
 void
@@ -256,7 +262,7 @@ setup(void)
 	if (spcl.c_type != TS_CLRI)
 		errx(1, "Cannot find file removal list");
 	maxino = (spcl.c_count * TP_BSIZE * NBBY) + 1;
-	Dprintf(stdout, "maxino = %ld\n", maxino);
+	Dprintf(stdout, "maxino = %ld\n", (long)maxino);
 	map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY));
 	if (map == NULL)
 		panic("no memory for active inode map\n");
@@ -294,6 +300,7 @@ getvol(long nextvol)
 	union u_spcl tmpspcl;
 #	define tmpbuf tmpspcl.s_spcl
 	char buf[TP_BSIZE];
+	int haderror = 0;
 
 	if (nextvol == 1) {
 		tapesread = 0;
@@ -353,20 +360,27 @@ again:
 		return;
 	}
 	closemt();
-	fprintf(stderr, "Mount tape volume %ld\n", (long)newvol);
-	fprintf(stderr, "Enter ``none'' if there are no more tapes\n");
-	fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape);
-	(void) fflush(stderr);
-	(void) fgets(buf, BUFSIZ, terminal);
-	if (feof(terminal))
-		exit(1);
-	if (!strcmp(buf, "none\n")) {
-		terminateinput();
-		return;
+	if (Mflag) {
+		snprintf(magtape, MAXPATHLEN, "%s%03ld", magtapeprefix, newvol);
+		magtape[MAXPATHLEN - 1] = '\0';
 	}
-	if (buf[0] != '\n') {
-		(void) strcpy(magtape, buf);
-		magtape[strlen(magtape) - 1] = '\0';
+	if (!Mflag || haderror) {
+		haderror = 0;
+		fprintf(stderr, "Mount tape volume %ld\n", (long)newvol);
+		fprintf(stderr, "Enter ``none'' if there are no more tapes\n");
+		fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape);
+		(void) fflush(stderr);
+		(void) fgets(buf, BUFSIZ, terminal);
+		if (feof(terminal))
+			exit(1);
+		if (!strcmp(buf, "none\n")) {
+			terminateinput();
+			return;
+		}
+		if (buf[0] != '\n') {
+			(void) strcpy(magtape, buf);
+			magtape[strlen(magtape) - 1] = '\0';
+		}
 	}
 #ifdef RRESTORE
 	if (host)
@@ -378,6 +392,7 @@ again:
 	if (mt == -1) {
 		fprintf(stderr, "Cannot open %s\n", magtape);
 		volno = -1;
+		haderror = 1;
 		goto again;
 	}
 gethdr:
@@ -388,11 +403,13 @@ gethdr:
 		Dprintf(stdout, "header read failed at %ld blocks\n", (long)blksread);
 		fprintf(stderr, "tape is not dump tape\n");
 		volno = 0;
+		haderror = 1;
 		goto again;
 	}
 	if (tmpbuf.c_volume != volno) {
 		fprintf(stderr, "Wrong volume (%d)\n", tmpbuf.c_volume);
 		volno = 0;
+		haderror = 1;
 		goto again;
 	}
 	if (tmpbuf.c_date != dumpdate || tmpbuf.c_ddate != dumptime) {
@@ -406,6 +423,7 @@ gethdr:
 		fprintf(stderr, "\twanted: %s", ctime(&dumpdate));
 #endif
 		volno = 0;
+		haderror = 1;
 		goto again;
 	}
 	tapesread |= 1 << volno;
@@ -566,9 +584,11 @@ extractfile(char *name)
 		return (genliteraldir(name, curfile.ino));
 
 	case IFLNK:
-	{	uid_t luid = curfile.dip->di_uid;
+	{
+#ifdef HAVE_LCHOWN
+		uid_t luid = curfile.dip->di_uid;
 		gid_t lgid = curfile.dip->di_gid;
-
+#endif
 		lnkbuf[0] = '\0';
 		pathlen = 0;
 		getfile(xtrlnkfile, xtrlnkskip);
@@ -1419,7 +1439,7 @@ accthdr(struct s_spcl *header)
 		fprintf(stderr, "File header, ino %lu", (unsigned long)previno);
 		break;
 	case TS_ADDR:
-		fprintf(stderr, "File continuation header, ino %ld", previno);
+		fprintf(stderr, "File continuation header, ino %ld", (long)previno);
 		break;
 	case TS_END:
 		fprintf(stderr, "End of tape header");