126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
#include "session_manager.h"
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#include "msql_acces.h"
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#include "config_package.h"
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#include <unistd.h>
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#include <sys/wait.h>
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#include <iostream>
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#include <cstring>
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session_manager::session_manager(int fd)
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{
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this->fd=fd;
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this->data=new msql_acces();
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}
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bool session_manager::validate_pass(){
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char* buffer = new char[256];
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this->read_data(buffer, 256);
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std::string user=buffer;
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this->read_data(buffer, 256);
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std::string pass=buffer;
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if(this->data->get_passwd(user)==pass){
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this->write_data("pass");
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this->user=user;
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return true;
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}else{
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this->write_data("fail");
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return false;
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}
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}
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void session_manager::start_dialog(){
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char* buffer = new char[5];
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while(true){
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this->read_data(buffer,5);
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if(strcmp(buffer, "exec")==0){
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this->execute();
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}else if(strcmp(buffer, "info")==0){
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this->send_information();
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}else if(strcmp(buffer, "remv")==0){
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this->remove();
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}else if(strcmp(buffer,"exit")){
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break;
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}
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}
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}
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int session_manager::execute(){
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char* n_package = new char[256];
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this->read_data(n_package, 256);
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char* use_conf=new char[256];
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this->read_data(use_conf,2);
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if(strcmp(use_conf,"y")==0){
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config_package conf = config_package(n_package);
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this->read_data(use_conf,256);
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conf.change_uses(use_conf);
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}else if(strcmp(use_conf,"n")!=0){
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perror("fail in protocol comunication");
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return -1;
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}
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delete [] (use_conf);
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std::string result = this->appli_command("--ask", n_package);
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if(result=="err"){
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return -1;
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}else{
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this->data->write_install(n_package, user);
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return 1;
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}
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}
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int session_manager::remove(){
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char* n_package = new char[256];
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this->read_data(n_package, 256);
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std::string result = this->appli_command("--unmerge",n_package);
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if(result=="err"){
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return -1;
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}else{
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this->data->write_remove(n_package);
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return 1;
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}
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}
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std::string session_manager::appli_command(char comand[], char* n_package){
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this->args=new char*[4];
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this->args[0]="emerge";
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this->args[1]=comand;
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this->args[2]=n_package;
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this->args[3]=nullptr;
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int pid = fork();
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int status=-2;
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std::string ret;
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if(pid==0){
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if(execvp(this->args[0],this->args)==-1){
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std::cout << "error inesperado" << std::endl;
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}
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exit(0);
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}else {
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waitpid(pid, &status, WCONTINUED);
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if(status>0){
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this->write_data("ok");
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ret = n_package;
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delete[] (n_package);
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}else{
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this->write_data("bad");
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delete[] (n_package);
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ret = "err";
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}
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}
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return ret;
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}
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void session_manager::send_information(){
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std::list<std::string> lis=this->data->get_pinfo();
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for(std::string info : lis){
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this->write_data(info);
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}
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this->write_data("end:of:the:info");
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}
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int session_manager::read_data(char* input, int size){
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return read(this->fd, input, size);
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}
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int session_manager::write_data(std::string output){
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return write(this->fd, output.data(), output.size());
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}
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