add ircd

1 files changed, 249 insertions, 0 deletions

diff --git a/ngircd/src/tool/tool.c b/ngircd/src/tool/tool.c
new file mode 100644
index 0000000..35c1ee6
--- /dev/null
+++ b/ngircd/src/tool/tool.c
@@ -0,0 +1,249 @@
+/*
+ * ngIRCd -- The Next Generation IRC Daemon
+ * Copyright (c)2001-2018 Alexander Barton (alex@barton.de) and Contributors.
+ *
+ * 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 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
+ */
+
+#include "portab.h"
+
+/**
+ * @file
+ * Tool functions
+ */
+
+#include <assert.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+
+#ifdef SYSLOG
+#define SYSLOG_NAMES 1
+#include <syslog.h>
+#endif
+
+#include "tool.h"
+
+
+/**
+ * Removes all leading and trailing whitespaces of a string.
+ * @param String The string to remove whitespaces from.
+ */
+GLOBAL void
+ngt_TrimStr(char *String)
+{
+	char *start, *end;
+
+	assert(String != NULL);
+
+	start = String;
+
+	/* Remove whitespaces at the beginning of the string ... */
+	while (*start == ' ' || *start == '\t' ||
+	       *start == '\n' || *start == '\r')
+		start++;
+
+	if (!*start) {
+		*String = '\0';
+		return;
+	}
+
+	/* ... and at the end: */
+	end = strchr(start, '\0');
+	end--;
+	while ((*end == ' ' || *end == '\t' || *end == '\n' || *end == '\r')
+	       && end >= start)
+		end--;
+
+	/* New trailing NULL byte */
+	*(++end) = '\0';
+
+	memmove(String, start, (size_t)(end - start)+1);
+} /* ngt_TrimStr */
+
+
+/**
+ * Convert a string to uppercase letters.
+ */
+GLOBAL char *
+ngt_UpperStr(char *String)
+{
+	char *ptr;
+
+	assert(String != NULL);
+
+	ptr = String;
+	while(*ptr) {
+		*ptr = (char)toupper(*ptr);
+		ptr++;
+	}
+	return String;
+} /* ngt_UpperStr */
+
+
+/**
+ * Convert a string to lowercase letters.
+ */
+GLOBAL char *
+ngt_LowerStr(char *String)
+{
+	char *ptr;
+
+	assert(String != NULL);
+
+	ptr = String;
+	while(*ptr) {
+		*ptr = (char)tolower(*ptr);
+		ptr++;
+	}
+	return String;
+} /* ngt_LowerStr */
+
+
+GLOBAL void
+ngt_TrimLastChr( char *String, const char Chr)
+{
+	/* If last character in the string matches Chr, remove it.
+	 * Empty strings are handled correctly. */
+
+	size_t len;
+
+	assert(String != NULL);
+
+	len = strlen(String);
+	if(len == 0)
+		return;
+
+	len--;
+
+	if(String[len] == Chr)
+		String[len] = '\0';
+} /* ngt_TrimLastChr */
+
+
+/**
+ * Fill a String with random chars
+ */
+GLOBAL char *
+ngt_RandomStr(char *String, const size_t len)
+{
+	static const char chars[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"#$&'()*+,-./:;<=>?@[\\]^_`";
+	struct timeval t;
+	size_t i;
+
+	assert(String != NULL);
+
+	gettimeofday(&t, NULL);
+#ifndef HAVE_ARC4RANDOM
+	srand((unsigned)(t.tv_usec * t.tv_sec));
+
+	for (i = 0; i < len; ++i) {
+		String[i] = chars[rand() % (sizeof(chars) - 1)];
+	}
+#else
+	for (i = 0; i < len; ++i)
+		String[i] = chars[arc4random() % (sizeof(chars) - 1)];
+#endif
+	String[len] = '\0';
+
+	return String;
+} /* ngt_RandomStr */
+
+
+#ifdef SYSLOG
+
+
+#ifndef INTERNAL_MARK
+
+#ifndef _code
+typedef struct _code {
+        char    *c_name;
+        int     c_val;
+} CODE;
+#endif
+
+CODE facilitynames[] = {
+#ifdef LOG_AUTH
+	{ "auth",	LOG_AUTH },
+#endif
+#ifdef LOG_AUTHPRIV
+	{ "authpriv",	LOG_AUTHPRIV },
+#endif
+#ifdef LOG_CRON
+	{ "cron", 	LOG_CRON },
+#endif
+#ifdef LOG_DAEMON
+	{ "daemon",	LOG_DAEMON },
+#endif
+#ifdef LOG_FTP
+	{ "ftp",	LOG_FTP },
+#endif
+#ifdef LOG_LPR
+	{ "lpr",	LOG_LPR },
+#endif
+#ifdef LOG_MAIL
+	{ "mail",	LOG_MAIL },
+#endif
+#ifdef LOG_NEWS
+	{ "news",	LOG_NEWS },
+#endif
+#ifdef LOG_UUCP
+	{ "uucp",	LOG_UUCP },
+#endif
+#ifdef LOG_USER
+	{ "user",	LOG_USER },
+#endif
+#ifdef LOG_LOCAL7
+	{ "local0",	LOG_LOCAL0 },
+	{ "local1",	LOG_LOCAL1 },
+	{ "local2",	LOG_LOCAL2 },
+	{ "local3",	LOG_LOCAL3 },
+	{ "local4",	LOG_LOCAL4 },
+	{ "local5",	LOG_LOCAL5 },
+	{ "local6",	LOG_LOCAL6 },
+	{ "local7",	LOG_LOCAL7 },
+#endif
+	{ 0,		-1 }
+};
+
+#endif
+
+
+GLOBAL const char*
+ngt_SyslogFacilityName(int Facility)
+{
+	int i = 0;
+	while(facilitynames[i].c_name) {
+		if (facilitynames[i].c_val == Facility)
+			return facilitynames[i].c_name;
+		i++;
+	}
+	return "unknown";
+}
+
+
+GLOBAL int
+ngt_SyslogFacilityID(char *Name, int DefaultFacility)
+{
+	int i = 0;
+	while(facilitynames[i].c_name) {
+		if (strcasecmp(facilitynames[i].c_name, Name) == 0)
+			return facilitynames[i].c_val;
+		i++;
+	}
+	return DefaultFacility;
+}
+
+
+#endif
+
+
+/* -eof- */