Initial revision

1 files changed, 83 insertions, 0 deletions

diff --git a/quotacheck_v1.c b/quotacheck_v1.c
new file mode 100644
index 0000000..db21c94
--- /dev/null
+++ b/quotacheck_v1.c
@@ -0,0 +1,83 @@
+/*
+ *
+ *	Checking routines for old VFS quota format
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include "pot.h"
+#include "common.h"
+#include "quotaio.h"
+#include "quotaio_v1.h"
+#include "quotacheck.h"
+
+/* Load all other dquot structures */
+static void load_dquots(char *filename, int fd, int type)
+{
+	struct v1_disk_dqblk ddqblk;
+	struct util_dqblk *udq;
+	struct dquot *dquot;
+	int err;
+	qid_t id = 0;
+
+	lseek(fd, 0, SEEK_SET);
+	while ((err = read(fd, &ddqblk, sizeof(ddqblk)))) {
+		if (err < 0)
+			die(1, _("Can't read entry for id %u from quotafile %s: %s\n"), (uint) id,
+			    filename, strerror(errno));
+		if (err != sizeof(ddqblk)) {
+			fprintf(stderr, _("Entry for id %u is truncated.\n"), (uint) id);
+			break;
+		}
+		dquot = add_dquot(id, type);
+		udq = &dquot->dq_dqb;
+		udq->dqb_bhardlimit = ddqblk.dqb_bhardlimit;
+		udq->dqb_bsoftlimit = ddqblk.dqb_bsoftlimit;
+		udq->dqb_ihardlimit = ddqblk.dqb_ihardlimit;
+		udq->dqb_isoftlimit = ddqblk.dqb_isoftlimit;
+		udq->dqb_btime = ddqblk.dqb_btime;
+		udq->dqb_itime = ddqblk.dqb_itime;
+		id++;
+	}
+}
+
+/* Load first structure - get grace times */
+static int check_info(char *filename, int fd, int type)
+{
+	struct v1_disk_dqblk ddqblk;
+	int err;
+
+	debug(FL_DEBUG, _("Loading first quota entry with grace times.\n"));
+	lseek(fd, 0, SEEK_SET);
+	err = read(fd, &ddqblk, sizeof(ddqblk));
+	if (err < 0)
+		die(1, _("Can't read first entry from quotafile %s: %s\n"), filename,
+		    strerror(errno));
+	if (err != sizeof(ddqblk)) {
+		fprintf(stderr,
+			_
+			("WARNING: Quotafile %s was probably truncated. Can't save quota settings...\n"),
+			filename);
+		return -1;
+	}
+	old_info[type].dqi_bgrace = ddqblk.dqb_btime;
+	old_info[type].dqi_igrace = ddqblk.dqb_itime;
+	debug(FL_DEBUG, _("First entry loaded.\n"));
+	return 0;
+}
+
+int v1_buffer_file(char *filename, int fd, int type)
+{
+	old_info[type].dqi_bgrace = MAX_DQ_TIME;
+	old_info[type].dqi_igrace = MAX_IQ_TIME;
+	if (flags & FL_NEWFILE)
+		return 0;
+	if (check_info(filename, fd, type) < 0)
+		return 0;
+	load_dquots(filename, fd, type);
+	return 0;
+}