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[SCM] GNU Inetutils branch, master, updated. inetutils-1_8-107-g7ccaddf
From: |
Mats Erik Andersson |
Subject: |
[SCM] GNU Inetutils branch, master, updated. inetutils-1_8-107-g7ccaddf |
Date: |
Wed, 13 Jul 2011 12:46:49 +0000 |
This is an automated email from the git hooks/post-receive script. It was
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the project "GNU Inetutils ".
The branch, master has been updated
via 7ccaddf1f5f049343b7a85169550374d748916fc (commit)
from 77ca51191bd57e953a1c289290e9f5d94238ba55 (commit)
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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=7ccaddf1f5f049343b7a85169550374d748916fc
commit 7ccaddf1f5f049343b7a85169550374d748916fc
Author: Mats Erik Andersson <address@hidden>
Date: Wed Jul 13 14:40:06 2011 +0200
syslogd: Error recovery at config parsing.
An empty action field makes OpenBSD go segfaulting.
Signal such an entry as unused, instead of passing
a NULL string as user name!
diff --git a/ChangeLog b/ChangeLog
index d0ae04c..69c305b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-07-13 Mats Erik Andersson <address@hidden>
+
+ * src/syslogd.c (cfline): Prevent incrementing beyond string end.
+ Discard config line with empty action.
+ * tests/syslogd.sh: Three new degenerate config lines.
+
2011-06-20 Mats Erik Andersson <address@hidden>
* src/syslogd.c: Replace all `struct sockaddr_in' with
diff --git a/src/syslogd.c b/src/syslogd.c
index a56414e..4d73f69 100644
--- a/src/syslogd.c
+++ b/src/syslogd.c
@@ -1860,7 +1860,7 @@ cfline (const char *line, struct filed *f)
*bp = '\0';
/* Skip cruft. */
- while (strchr (",;", *q))
+ while (*q && strchr (",;", *q))
q++;
bp = buf;
@@ -1962,6 +1962,14 @@ cfline (const char *line, struct filed *f)
p++;
}
+ if (!strlen(p))
+ {
+ /* Invalidate an entry with empty action field. */
+ f->f_type = F_UNUSED;
+ logerror ("empty action field");
+ return;
+ }
+
switch (*p)
{
case '@':
diff --git a/tests/syslogd.sh b/tests/syslogd.sh
index 124469d..05848b7 100755
--- a/tests/syslogd.sh
+++ b/tests/syslogd.sh
@@ -69,7 +69,12 @@ fi
#
cat > $CONF <<-EOT
*.* $OUT
+ # Test incorrect forwarding.
*.* @not.in.existence
+ # Recover from missing action field and short selector.
+ 12345
+ *.*
+ *. /dev/null
EOT
# Set REMOTE_LOGHOST to activate forwarding
@@ -77,6 +82,7 @@ EOT
if [ -n "$REMOTE_LOGHOST" ]; then
# Append a forwarding stanza.
cat >> $CONF <<-EOT
+ # Forwarding remotely
*.* @$REMOTE_LOGHOST
EOT
fi
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
src/syslogd.c | 10 +++++++++-
tests/syslogd.sh | 6 ++++++
3 files changed, 21 insertions(+), 1 deletions(-)
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