From 89f33482f56ca620e10f7cdbc015d62510cab7cf Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Wed, 29 Oct 2014 18:37:59 +0100 Subject: add log-login-btmp MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/common.h | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 src/common.h (limited to 'src/common.h') diff --git a/src/common.h b/src/common.h new file mode 100644 index 0000000..0a1b37f --- /dev/null +++ b/src/common.h @@ -0,0 +1,84 @@ +/** + * cerberus-logging – Log-in logging extension for cerberus + * + * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ +#include +#include +#include +#include +#include +#include +#include + + + +#ifndef VARDIR +#define VARDIR "/var" +#endif +#ifndef LOGDIR +#define LOGDIR VARDIR "/log" +#endif + + + +#define LIST_ARGUMENTS X(action) X(username) X(ttyname) X(pid) X(hostname) +#define streq(a, b) ((a == b) || (a && b && !strcmp(a, b))) +#define xstrcpy(d, s) (s ? snprintf(d, sizeof(d) / sizeof(char), "%s", s) : 0) +#define xmemcpy(d, s) (s ? memcpy(d, s, sizeof(d)) : 0) + + + +static inline const char* first_digit(const char* str) +{ + for (; str && *str; str++) + if (('0' <= *str) && (*str <= '9')) + return str; + return NULL; +} + + +static inline const char* get_hostaddress(const char* hostname) +{ + static char rc[32 * 4 / 8]; + struct addrinfo hints; + struct addrinfo *info = NULL; + + if (hostname == NULL) + return NULL; + + memset(rc, 0, sizeof(rc)); + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_ADDRCONFIG; + + if (getaddrinfo(hostname, NULL, &hints, &info)) return NULL; + if (info == NULL) return NULL; + + if (info->ai_family == AF_INET) + { + struct sockaddr_in* addr = (struct sockaddr_in*)(info->ai_addr); + memcpy(rc, &(addr->sin_addr), sizeof(addr->sin_addr)); + } + else if (info->ai_family == AF_INET6) + { + struct sockaddr_in6* addr = (struct sockaddr_in6*)(info->ai_addr); + memcpy(rc, &(addr->sin6_addr), sizeof(addr->sin6_addr)); + } + + freeaddrinfo(info); + return rc; +} + -- cgit v1.2.3-70-g09d2