From 272e04933338af39fec793ec62be32887d68e0b7 Mon Sep 17 00:00:00 2001
From: eeb <eeb>
Date: Mon, 9 Dec 2002 21:50:24 +0000
Subject: [PATCH] *  Added some checking to sanity.sh + new utility checkstat
 (-h for usage)

---
 lustre/tests/checkstat.c | 229 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 229 insertions(+)
 create mode 100644 lustre/tests/checkstat.c

diff --git a/lustre/tests/checkstat.c b/lustre/tests/checkstat.c
new file mode 100644
index 0000000..0624d76
--- /dev/null
+++ b/lustre/tests/checkstat.c
@@ -0,0 +1,229 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+void
+usage (char *argv0, int help)
+{
+	char *progname = strrchr(argv0, '/');
+
+	if (progname == NULL)
+		progname = argv0;
+	
+	fprintf (help ? stdout : stderr,
+		 "Usage: %s [-p perms][-t type][-l link][-a][-v] file[s]\n",
+		 progname);
+	
+	if (!help)
+	{
+		fprintf (stderr, "   or try '-h' for help\n");
+		exit (1);
+	}
+	
+	printf ("Check given files have...\n");
+	printf (" -p    permission       file must have required permissions\n");
+	printf (" -t    dir|file|link    file must be of the specified type\n");
+	printf (" -l    link_name        file must be a link to the given name\n");
+	printf (" -s    size             file must have the given size\n");
+	printf (" -f                     follow symlinks\n");
+	printf (" -a                     file must be absent\n");
+	printf (" -v                     increase verbosity\n");
+	printf (" -h                     print help\n");
+	printf (" Exit status is 0 on success, 1 on failure\n");
+}
+
+int
+main (int argc, char **argv)
+{
+	int           c;
+	struct stat64 buf;
+	int           perms = -1;
+	char         *type = NULL;
+	long          absent = 0;
+	char         *checklink = NULL;
+	int           verbose = 0;
+	long long     size = -1;
+	int           follow = 0;
+	char         *term;
+   
+	while ((c = getopt (argc, argv, "p:t:l:s:avfh")) != -1)
+		switch (c)
+		{
+		case 'p':
+			perms = (int)strtol (optarg, &term, 0);
+			if (term == optarg)
+			{
+				fprintf (stderr, "Can't parse permission %s\n", optarg);
+				return (1);
+			}
+			break;
+
+		case 'l':
+			checklink = optarg;
+			break;
+
+		case 's':
+			size = strtoll (optarg, &term, 0);
+			if (term == optarg)
+			{
+				fprintf (stderr, "Can't parse size %s\n", optarg);
+				return (1);
+			}
+			break;
+	 
+		case 't':
+			type = optarg;
+			break;
+
+		case 'a':
+			absent = 1;
+			break;
+
+		case 'v':
+			verbose++;
+			break;
+			
+		case 'f':
+			follow++;
+			break;
+			
+		case 'h':
+			usage (argv[0], 1);
+			return (0);
+	 
+		default:
+			usage (argv[0], 0);
+		}
+
+	if (optind == argc)
+		usage (argv[0], 0);
+	
+	do
+	{
+		char *fname = argv[optind];
+		int rc = follow ? stat64 (fname, &buf) : lstat64 (fname, &buf);
+      
+		if (rc != 0)
+		{
+			if (!(absent && errno == ENOENT))
+			{
+				if (verbose)
+					printf ("Can't %sstat %s: %s\n", 
+						follow ? "" : "l",
+						fname, strerror (errno));
+				return (1);
+			}
+
+			if (verbose)
+				printf ("%s: absent OK\n", fname);
+			continue;
+		}
+
+		if (type != NULL)
+		{
+			if (!strcmp (type, "d") || 
+			    !strcmp (type, "dir"))
+			{
+				if (!S_ISDIR (buf.st_mode))
+				{
+					if (verbose)
+						printf ("%s is not a directory\n", 
+							 fname);
+					return (1);
+				}
+			}
+			else if (!strcmp (type, "f") || 
+				 !strcmp (type, "file"))
+			{
+				if (!S_ISREG (buf.st_mode))
+				{
+					if (verbose)
+						printf ("%s is not a regular file\n", 
+							fname);
+					return (1);
+				}
+			}
+			else if (!strcmp (type, "l") || 
+				 !strcmp (type, "link"))
+			{
+				if (!S_ISLNK (buf.st_mode))
+				{
+					if (verbose)
+						printf ("%s is not a link\n", 
+							fname);
+					return (1);
+				}
+			}
+			else
+			{
+				fprintf (stderr, "Can't parse file type %s\n", type);
+				return (1);
+			}
+			
+			if (verbose)
+				printf ("%s has type %s OK\n", fname, type);
+		}
+
+		if (perms != -1)
+		{
+			if ((buf.st_mode & ~S_IFMT) != perms)
+			{
+				if (verbose)
+					printf ("%s has perms 0%o, not 0%o\n",
+						fname, (buf.st_mode & ~S_IFMT), perms);
+				return (1);
+			}
+
+			if (verbose)
+				printf ("%s has perms 0%o OK\n",
+					fname, perms);
+		}
+
+		if (size != -1)
+		{
+			if (buf.st_size != size)
+			{
+				if (verbose)
+					printf ("%s has size %Ld, not %Ld\n",
+						fname, (long long)buf.st_size, size);
+				return (1);
+			}
+			
+			if (verbose)
+				printf ("%s has size %Ld OK\n", fname, size);
+		}
+		
+		if (checklink != NULL)
+		{
+			static char lname[4<<10];
+
+			rc = readlink (fname, lname, sizeof (lname) - 1);
+
+			if (rc < 0)
+			{
+				if (verbose)
+					printf ("%s: can't read link: %s\n",
+						fname, strerror (errno));
+				return (1);
+			}
+			
+			lname[rc] = 0;
+			if (strcmp (checklink, lname))
+			{
+				if (verbose)
+					printf ("%s is a link to %s and not %s\n",
+						fname, lname, checklink);
+				return (1);
+			}
+			
+			if (verbose)
+				printf ("%s links to %s OK\n", fname, checklink);
+		}
+	} while (++optind < argc);
+	
+	return (0);
+}
-- 
1.8.3.1