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167 lines
3.0 KiB
167 lines
3.0 KiB
#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <cstdio>
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#include <cstring>
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#include <cstdlib>
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#include <cstdarg>
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#include <ctime>
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#include <string>
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#include <vector>
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#include <iostream>
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#include <istream>
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#include <ostream>
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#include <iterator>
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#include <sstream>
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#include <algorithm>
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#include "IRCutils.h"
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// not needed, defined in /usr/include/features.h
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//#define _XOPEN_SOURCE
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time_t parseTime(const std::string str)
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{
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struct tm stm;
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strptime(str.c_str(), "%Y-%m-%d %H:%M:%S", &stm);
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return mktime(&stm);
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}
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std::vector<std::string> stringTokenizer(const std::string &s)
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{
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std::stringstream ss(s);
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std::istream_iterator<std::string> it(ss);
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std::istream_iterator<std::string> end;
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std::vector<std::string> result(it, end);
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return result;
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}
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int getAllIPV4Addresses(const char * name, unsigned short port, unsigned int * num, struct sockaddr_in * addr, unsigned int max_addr)
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{
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struct addrinfo hints;
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struct addrinfo * res;
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memset(&hints, 0x00, sizeof(struct addrinfo));
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hints.ai_family = AF_INET;
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hints.ai_socktype = SOCK_STREAM;
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int r = getaddrinfo(name, NULL, &hints, &res);
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if (r == 0) {
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struct addrinfo * rp;
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unsigned int numAddr = 0;
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for (rp = res; rp != NULL; rp = rp->ai_next) {
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if (rp->ai_family == AF_INET)
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numAddr ++;
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}
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if (numAddr > 0) {
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if (numAddr > max_addr)
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numAddr = max_addr;
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int * shuffle = new int[numAddr];
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unsigned int i;
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for (i=0; i < numAddr; i++)
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shuffle[i] = i;
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for (i=0; i < (numAddr - 1); i++) {
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if (rand() & 1) {
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int tmp;
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tmp = shuffle[i];
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shuffle[i] = shuffle[i+1];
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shuffle[i+1] = tmp;
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}
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}
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for (i=(numAddr - 1); i > 0; i--) {
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if (rand() & 1) {
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int tmp;
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tmp = shuffle[i];
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shuffle[i] = shuffle[i-1];
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shuffle[i-1] = tmp;
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}
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}
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for (rp = res, i=0 ; (rp != NULL) && (i < numAddr); rp = rp->ai_next) {
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if (rp->ai_family == AF_INET) {
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memcpy( addr+shuffle[i], rp->ai_addr, sizeof (struct sockaddr_in) );
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addr[shuffle[i]].sin_port = htons(port);
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i++;
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}
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}
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delete[] shuffle;
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}
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*num = numAddr;
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freeaddrinfo(res);
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return 0;
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} else {
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printf("getaddrinfo: %s\n", gai_strerror(r));
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return 1;
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}
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}
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void safeStringCopy (char *dest, const char *src, unsigned int buf_size)
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{
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unsigned int i = 0;
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while (i<(buf_size - 1) && src[i] != 0) {
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dest[i] = src[i];
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i++;
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}
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dest[i] = 0;
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}
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char *getCurrentTime(void)
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{
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time_t now = time(NULL);
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struct tm* tm;
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struct tm tm_buf;
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static char buffer[25];
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gmtime_r(&now, &tm_buf);
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tm = &tm_buf;
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strftime(buffer, sizeof buffer, "%Y-%m-%d %H:%M:%S", tm);
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return buffer;
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}
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void ToUpper(std::string &str)
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{
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for (auto it=str.begin(); it!=str.end(); it++) {
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if (islower(*it))
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*it = toupper(*it);
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}
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}
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void ToLower(std::string &str)
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{
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for (auto it=str.begin(); it!=str.end(); it++) {
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if (isupper(*it))
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*it = tolower(*it);
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}
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}
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void ReplaceChar(std::string &str, char from, char to)
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{
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for (auto it=str.begin(); it!=str.end(); it++) {
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if (from == *it)
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*it = to;
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}
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}
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