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/*
* 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- */
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