92 lines
2.4 KiB
Diff
92 lines
2.4 KiB
Diff
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--- /dev/null 2015-01-23 17:30:40.000000000 -0500
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+++ pfilter.c 2015-01-23 17:12:02.000000000 -0500
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@@ -0,0 +1,24 @@
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+#include <stdio.h>
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+#include <blacklist.h>
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+
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+#include "pfilter.h"
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+
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+static struct blacklist *blstate;
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+
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+void
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+pfilter_open(void)
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+{
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+ if (blstate == NULL)
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+ blstate = blacklist_open();
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+}
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+
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+void
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+pfilter_notify(int what, const char *msg)
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+{
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+ pfilter_open();
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+
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+ if (blstate == NULL)
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+ return;
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+
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+ blacklist_r(blstate, what, 0, msg);
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+}
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--- /dev/null 2015-01-23 17:30:40.000000000 -0500
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+++ pfilter.h 2015-01-23 17:07:25.000000000 -0500
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@@ -0,0 +1,2 @@
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+void pfilter_open(void);
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+void pfilter_notify(int, const char *);
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Index: Makefile
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===================================================================
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RCS file: /cvsroot/src/libexec/ftpd/Makefile,v
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retrieving revision 1.63
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diff -u -p -u -r1.63 Makefile
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--- Makefile 14 Aug 2011 11:46:28 -0000 1.63
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+++ Makefile 23 Jan 2015 22:32:20 -0000
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@@ -11,6 +11,10 @@ LDADD+= -lcrypt -lutil
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MAN= ftpd.conf.5 ftpusers.5 ftpd.8
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MLINKS= ftpusers.5 ftpchroot.5
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+SRCS+= pfilter.c
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+LDADD+= -lblacklist
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+DPADD+= ${LIBBLACKLIST}
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+
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.if defined(NO_INTERNAL_LS)
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CPPFLAGS+=-DNO_INTERNAL_LS
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.else
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Index: ftpd.c
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===================================================================
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RCS file: /cvsroot/src/libexec/ftpd/ftpd.c,v
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retrieving revision 1.200
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diff -u -p -u -r1.200 ftpd.c
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--- ftpd.c 31 Jul 2013 19:50:47 -0000 1.200
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+++ ftpd.c 23 Jan 2015 22:32:20 -0000
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@@ -165,6 +165,8 @@ __RCSID("$NetBSD: ftpd.c,v 1.200 2013/07
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#include <security/pam_appl.h>
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#endif
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+#include "pfilter.h"
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+
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#define GLOBAL
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#include "extern.h"
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#include "pathnames.h"
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@@ -471,6 +473,8 @@ main(int argc, char *argv[])
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if (EMPTYSTR(confdir))
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confdir = _DEFAULT_CONFDIR;
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+ pfilter_open();
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+
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if (dowtmp) {
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#ifdef SUPPORT_UTMPX
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ftpd_initwtmpx();
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@@ -1401,6 +1405,7 @@ do_pass(int pass_checked, int pass_rval,
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if (rval) {
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reply(530, "%s", rval == 2 ? "Password expired." :
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"Login incorrect.");
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+ pfilter_notify(1, rval == 2 ? "exppass" : "badpass");
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if (logging) {
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syslog(LOG_NOTICE,
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"FTP LOGIN FAILED FROM %s", remoteloghost);
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@@ -1444,6 +1449,7 @@ do_pass(int pass_checked, int pass_rval,
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*remote_ip = 0;
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remote_ip[sizeof(remote_ip) - 1] = 0;
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if (!auth_hostok(lc, remotehost, remote_ip)) {
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+ pfilter_notify(1, "bannedhost");
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syslog(LOG_INFO|LOG_AUTH,
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"FTP LOGIN FAILED (HOST) as %s: permission denied.",
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pw->pw_name);
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