X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=dump%2Fmain.c;h=61afed803398fa5e486422f35a03e80949013399;hb=4f4eee3d2e237c2f0becd9c5ce41524f8f5bc1c1;hp=c2e4eaf329c94e77e671c50915ec4e027313d792;hpb=79e318657e7faa7b2951ff554dc6f1b92624a477;p=dump.git

diff --git a/dump/main.c b/dump/main.c
index c2e4eaf..61afed8 100644
--- a/dump/main.c
+++ b/dump/main.c
@@ -40,7 +40,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: main.c,v 1.23 2000/08/19 23:48:10 stelian Exp $";
+	"$Id: main.c,v 1.27 2000/11/10 13:22:10 stelian Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -79,6 +79,7 @@ static const char rcsid[] =
 
 #include "dump.h"
 #include "pathnames.h"
+#include "bylabel.h"
 
 #ifndef SBOFF
 #define SBOFF (SBLOCK * DEV_BSIZE)
@@ -126,6 +127,7 @@ main(int argc, char *argv[])
 #endif
 	time_t tnow;
 	char labelstr[LBLSIZE];
+	char *diskparam;
 
 	spcl.c_date = 0;
 #ifdef	__linux__
@@ -141,6 +143,7 @@ main(int argc, char *argv[])
 #endif
 
 	tsize = 0;	/* Default later, based on 'c' option for cart tapes */
+	unlimited = 1;
 	eot_script = NULL;
 	if ((tapeprefix = getenv("TAPE")) == NULL)
 		tapeprefix = _PATH_DEFTAPE;
@@ -173,6 +176,7 @@ main(int argc, char *argv[])
 			break;
 
 		case 'B':		/* blocks per output file */
+			unlimited = 0;
 			blocksperfile = numarg("number of blocks per file",
 			    1L, 0L);
 			break;
@@ -189,10 +193,12 @@ main(int argc, char *argv[])
 			break;
 
 		case 'c':		/* Tape is cart. not 9-track */
+			unlimited = 0;
 			cartridge = 1;
 			break;
 
 		case 'd':		/* density, in bits per inch */
+			unlimited = 0;
 			density = numarg("density", 10L, 327670L) / 10;
 			if (density >= 625 && !bflag)
 				ntrec = HIGHDENSITYTREC;
@@ -200,8 +206,15 @@ main(int argc, char *argv[])
 			
 			                /* 04-Feb-00 ILC */
 		case 'e':		/* exclude an inode */
-		        iexclude_list[iexclude_num++] = 
-			  numarg("inode to exclude",0L,0L);
+			if (iexclude_num == IEXCLUDE_MAXNUM) {
+				(void)fprintf(stderr, "Too many -e options\n");
+				exit(X_STARTUP);
+			}
+		        iexclude_list[iexclude_num++] = numarg("inode to exclude",0L,0L);
+			if (iexclude_list[iexclude_num-1] <= ROOTINO) {
+				(void)fprintf(stderr, "Cannot exclude inode %ld\n", iexclude_list[iexclude_num-1]);
+				exit(X_STARTUP);
+			}
 			msg("Added %d to exclude list\n",
 			    iexclude_list[iexclude_num-1]);
 			break;
@@ -250,6 +263,7 @@ main(int argc, char *argv[])
 			break;
 
 		case 's':		/* tape size, feet */
+			unlimited = 0;
 			tsize = numarg("tape size", 1L, 0L) * 12 * 10;
 			break;
 
@@ -287,9 +301,9 @@ main(int argc, char *argv[])
 		(void)fprintf(stderr, "Must specify disk or filesystem\n");
 		exit(X_STARTUP);
 	}
-	disk = *argv++;
-	if (strlen(disk) >= MAXPATHLEN) {
-		(void)fprintf(stderr, "Disk or filesystem name too long: %s\n", disk);
+	diskparam = *argv++;
+	if (strlen(diskparam) >= MAXPATHLEN) {
+		(void)fprintf(stderr, "Disk or filesystem name too long: %s\n", diskparam);
 		exit(X_STARTUP);
 	}
 	argc--;
@@ -363,6 +377,14 @@ main(int argc, char *argv[])
 		signal(SIGINT, SIG_IGN);
 	set_operators();	/* /etc/group snarfed */
 	getfstab();		/* /etc/fstab snarfed */
+
+	disk = get_device_name(diskparam);
+	if (!disk) {		/* null means the disk is some form
+				   of LABEL= or UID= but it was not
+				   found */
+		msg("Cannot find a disk having %s\n", diskparam);
+		exit(X_STARTUP);
+	}
 	/*
 	 *      disk may end in / and this can confuse
 	 *      fstabsearch.
@@ -381,26 +403,36 @@ main(int argc, char *argv[])
 		(void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
 #ifdef	__linux__
 	} else {
-		/*
-		 * The argument was not found in the fstab
-		 * assume that this is a subtree and search for it
-		 */
 #ifdef	HAVE_REALPATH
 		if (realpath(disk, pathname) == NULL)
 #endif
 			strcpy(pathname, disk);
-		dt = fstabsearchdir(pathname, directory);
-		if (dt != NULL) {
-			char name[MAXPATHLEN];
-			(void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
-			(void)snprintf(name, sizeof(name), "%s (dir %s)",
-				      dt->fs_file, directory);
-			(void)strncpy(spcl.c_filesys, name, NAMELEN);
+		/*
+		 * The argument could be now a mountpoint of
+		 * a filesystem specified in fstab. Search for it.
+		 */
+		if ((dt = fstabsearch(pathname)) != NULL) {
 			disk = rawname(dt->fs_spec);
+			(void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
+			(void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
 		} else {
-			(void)strncpy(spcl.c_dev, disk, NAMELEN);
-			(void)strncpy(spcl.c_filesys, "an unlisted file system",
-			    NAMELEN);
+			/*
+			 * The argument was not found in the fstab
+			 * assume that this is a subtree and search for it
+			 */
+			dt = fstabsearchdir(pathname, directory);
+			if (dt != NULL) {
+				char name[MAXPATHLEN];
+				(void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
+				(void)snprintf(name, sizeof(name), "%s (dir %s)",
+					      dt->fs_file, directory);
+				(void)strncpy(spcl.c_filesys, name, NAMELEN);
+				disk = rawname(dt->fs_spec);
+			} else {
+				(void)strncpy(spcl.c_dev, disk, NAMELEN);
+				(void)strncpy(spcl.c_filesys, "an unlisted file system",
+				    NAMELEN);
+			}
 		}
 	}
 #else
@@ -421,7 +453,6 @@ main(int argc, char *argv[])
 			exit(X_STARTUP);
 		}
 	}
-
 	spcl.c_dev[NAMELEN-1]='\0';
 	spcl.c_filesys[NAMELEN-1]='\0';
 	(void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1);