diff options
Diffstat (limited to 'contrib/blocklist/lib/blocklist.c')
| -rw-r--r-- | contrib/blocklist/lib/blocklist.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/blocklist/lib/blocklist.c b/contrib/blocklist/lib/blocklist.c new file mode 100644 index 000000000000..139fc4342626 --- /dev/null +++ b/contrib/blocklist/lib/blocklist.c @@ -0,0 +1,117 @@ +/* $NetBSD: blocklist.c,v 1.4 2025/02/11 17:48:30 christos Exp $ */ + +/*- + * Copyright (c) 2014 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef HAVE_SYS_CDEFS_H +#include <sys/cdefs.h> +#endif +__RCSID("$NetBSD: blocklist.c,v 1.4 2025/02/11 17:48:30 christos Exp $"); + +#include <stdio.h> +#include <bl.h> + +#include <stdarg.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> +#include <syslog.h> + +int +blocklist_sa(int action, int rfd, const struct sockaddr *sa, socklen_t salen, + const char *msg) +{ + struct blocklist *bl; + int rv; + if ((bl = blocklist_open()) == NULL) + return -1; + rv = blocklist_sa_r(bl, action, rfd, sa, salen, msg); + blocklist_close(bl); + return rv; +} + +int +blocklist_sa_r(struct blocklist *bl, int action, int rfd, + const struct sockaddr *sa, socklen_t slen, const char *msg) +{ + bl_type_t internal_action; + + /* internal values are not the same as user application values */ + switch (action) { + case BLOCKLIST_AUTH_FAIL: + internal_action = BL_ADD; + break; + case BLOCKLIST_AUTH_OK: + internal_action = BL_DELETE; + break; + case BLOCKLIST_ABUSIVE_BEHAVIOR: + internal_action = BL_ABUSE; + break; + case BLOCKLIST_BAD_USER: + internal_action = BL_BADUSER; + break; + default: + internal_action = BL_INVALID; + break; + } + return bl_send(bl, internal_action, rfd, sa, slen, msg); +} + +int +blocklist(int action, int rfd, const char *msg) +{ + return blocklist_sa(action, rfd, NULL, 0, msg); +} + +int +blocklist_r(struct blocklist *bl, int action, int rfd, const char *msg) +{ + return blocklist_sa_r(bl, action, rfd, NULL, 0, msg); +} + +struct blocklist * +blocklist_open(void) { + return bl_create(false, NULL, vsyslog_r); +} + +struct blocklist * +blocklist_open2( + void (*logger)(int, struct syslog_data *, const char *, va_list)) +{ + return bl_create(false, NULL, logger); +} + +void +blocklist_close(struct blocklist *bl) +{ + bl_destroy(bl); +} |