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Date:      Fri, 30 Sep 2016 23:35:47 +0000 (UTC)
From:      Baptiste Daroussin <bapt@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org
Subject:   svn commit: r306539 - vendor/dma/dist
Message-ID:  <201609302335.u8UNZlhV094846@repo.freebsd.org>
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Author: bapt
Date: Fri Sep 30 23:35:47 2016
New Revision: 306539
URL: https://svnweb.freebsd.org/changeset/base/306539

Log:
  Import dma snapshot 20160929

Modified:
  vendor/dma/dist/dma-mbox-create.c

Modified: vendor/dma/dist/dma-mbox-create.c
==============================================================================
--- vendor/dma/dist/dma-mbox-create.c	Fri Sep 30 23:19:08 2016	(r306538)
+++ vendor/dma/dist/dma-mbox-create.c	Fri Sep 30 23:35:47 2016	(r306539)
@@ -89,9 +89,7 @@ main(int argc, char **argv)
 	struct group *gr;
 	uid_t user_uid;
 	gid_t mail_gid;
-	int error;
-	char fn[PATH_MAX+1];
-	int f;
+	int f, maildirfd;
 
 	openlog("dma-mbox-create", 0, LOG_MAIL);
 
@@ -131,26 +129,22 @@ main(int argc, char **argv)
 	if (!pw)
 		logfail(EX_NOUSER, "cannot find user `%s'", user);
 
-	user_uid = pw->pw_uid;
+	maildirfd = open(_PATH_MAILDIR, O_RDONLY);
+	if (maildirfd < 0)
+		logfail(EX_NOINPUT, "cannot open maildir %s", _PATH_MAILDIR);
 
-	error = snprintf(fn, sizeof(fn), "%s/%s", _PATH_MAILDIR, user);
-	if (error < 0 || (size_t)error >= sizeof(fn)) {
-		if (error >= 0) {
-			errno = 0;
-			logfail(EX_USAGE, "mbox path too long");
-		}
-		logfail(EX_CANTCREAT, "cannot build mbox path for `%s/%s'", _PATH_MAILDIR, user);
-	}
+	user_uid = pw->pw_uid;
 
-	f = open(fn, O_RDONLY|O_CREAT|O_NOFOLLOW, 0600);
+	f = openat(maildirfd, user, O_RDONLY|O_CREAT|O_NOFOLLOW, 0600);
 	if (f < 0)
-		logfail(EX_NOINPUT, "cannt open mbox `%s'", fn);
+		logfail(EX_NOINPUT, "cannot open mbox `%s'", user);
 
 	if (fchown(f, user_uid, mail_gid))
-		logfail(EX_OSERR, "cannot change owner of mbox `%s'", fn);
+		logfail(EX_OSERR, "cannot change owner of mbox `%s'", user);
 
 	if (fchmod(f, 0620))
-		logfail(EX_OSERR, "cannot change permissions of mbox `%s'", fn);
+		logfail(EX_OSERR, "cannot change permissions of mbox `%s'",
+		    user);
 
 	/* file should be present with the right owner and permissions */

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