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-rw-r--r--conf/checkmount/checkmount_svr4.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/conf/checkmount/checkmount_svr4.c b/conf/checkmount/checkmount_svr4.c
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+++ b/conf/checkmount/checkmount_svr4.c
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+/*
+ * Copyright (c) 1997-2014 Erez Zadok
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry at Imperial College, London.
+ *
+ * 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. 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.
+ *
+ *
+ * File: am-utils/conf/checkmount/checkmount_svr4.c
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+#include <am_defs.h>
+
+extern int is_same_host(char *name1, char *name2, struct in_addr addr2);
+
+
+int
+fixmount_check_mount(char *host, struct in_addr hostaddr, char *path)
+{
+ FILE *mtab;
+ struct mnttab ment;
+ int err = 0;
+ int found = 0;
+
+ /* scan mtab for path */
+ if (!(mtab = fopen(MNTTAB, "r"))) {
+ perror(MNTTAB);
+ exit(1);
+ }
+
+ while (!found && (err = getmntent(mtab, &ment)) == 0) {
+ char *colon;
+
+ if ((colon = strchr(ment.mnt_fsname, ':'))) {
+ *colon = '\0';
+ if ((STREQ(colon + 1, path) ||
+ STREQ(ment.mnt_dir, path)) &&
+ is_same_host(ment.mnt_fsname, host, hostaddr))
+ found = 1;
+ }
+ }
+
+ if (err > 0) {
+ fprintf(stderr, "getmntent: %s: %s\n", MNTTAB,
+ err == MNT_TOOLONG ? "entry exceeds MNT_LINE_MAX" :
+ err == MNT_TOOMANY ? "too many fields in line" :
+ err == MNT_TOOFEW ? "too few fields in line" :
+ "unknown error code");
+ exit(1);
+ }
+ (void) fclose(mtab);
+
+ /* XXX: Is this still valid in SunOS 5.x ? */
+ if (!found) {
+ char *swap;
+
+ /* swap files never show up in mtab, only root fs */
+ if ((swap = strstr(path, "swap"))) {
+ strncpy(swap, "root", 4); /* this should NOT use xstrlcpy */
+ found = fixmount_check_mount(host, hostaddr, path);
+ strncpy(swap, "swap", 4); /* this should NOT use xstrlcpy */
+ }
+ }
+ return found;
+}