shadow-utils/shadow-4.1.4.2-underflow.patch

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diff -up shadow-4.1.4.3/src/faillog.c.underflow shadow-4.1.4.3/src/faillog.c
--- shadow-4.1.4.3/src/faillog.c.underflow 2011-02-13 12:58:16.000000000 -0500
+++ shadow-4.1.4.3/src/faillog.c 2011-05-30 17:48:55.000000000 -0400
@@ -106,8 +106,8 @@ static void print_one (/*@null@*/const s
return;
}
- offset = pw->pw_uid * sizeof (fl);
- if (offset <= (statbuf.st_size - sizeof (fl))) {
+ offset = (off_t) pw->pw_uid * sizeof (fl);
+ if (offset + sizeof (fl) <= statbuf.st_size) {
/* fseeko errors are not really relevant for us. */
int err = fseeko (fail, offset, SEEK_SET);
assert (0 == err);
@@ -206,8 +206,8 @@ static bool reset_one (uid_t uid)
off_t offset;
struct faillog fl;
- offset = uid * sizeof (fl);
- if (offset <= (statbuf.st_size - sizeof (fl))) {
+ offset = (off_t) uid * sizeof (fl);
+ if (offset + sizeof (fl) <= statbuf.st_size) {
/* fseeko errors are not really relevant for us. */
int err = fseeko (fail, offset, SEEK_SET);
assert (0 == err);
@@ -294,7 +294,7 @@ static bool setmax_one (uid_t uid, int m
struct faillog fl;
offset = (off_t) uid * sizeof (fl);
- if (offset <= (statbuf.st_size - sizeof (fl))) {
+ if (offset + sizeof (fl) <= statbuf.st_size) {
/* fseeko errors are not really relevant for us. */
int err = fseeko (fail, offset, SEEK_SET);
assert (0 == err);
@@ -385,7 +385,7 @@ static bool set_locktime_one (uid_t uid,
struct faillog fl;
offset = (off_t) uid * sizeof (fl);
- if (offset <= (statbuf.st_size - sizeof (fl))) {
+ if (offset + sizeof (fl) <= statbuf.st_size) {
/* fseeko errors are not really relevant for us. */
int err = fseeko (fail, offset, SEEK_SET);
assert (0 == err);
diff -up shadow-4.1.4.3/src/lastlog.c.underflow shadow-4.1.4.3/src/lastlog.c
--- shadow-4.1.4.3/src/lastlog.c.underflow 2011-05-31 03:52:25.000000000 -0400
+++ shadow-4.1.4.3/src/lastlog.c 2011-05-31 03:53:32.000000000 -0400
@@ -102,9 +102,8 @@ static void print_one (/*@null@*/const s
}
- offset = pw->pw_uid * sizeof (ll);
-
- if (offset <= (statbuf.st_size - sizeof (ll))) {
+ offset = (off_t) pw->pw_uid * sizeof (ll);
2011-06-06 07:07:51 +00:00
+ if (offset + sizeof (ll) <= statbuf.st_size) {
/* fseeko errors are not really relevant for us. */
int err = fseeko (lastlogfile, offset, SEEK_SET);
assert (0 == err);