void executa_comando(struct command_t *cmd) //execução do comando
{
const char *cmdname = cmd->argv[0];
glob_t *globbuf = (glob_t *) malloc(sizeof(glob_t));
globbuf = expande_glob(cmd);
if(strcmp(cmdname,"cd") == 0) func_cd(cmd->argc,cmd->argv); //comandos internos - sem uso do fork()
else if(strcmp(cmdname,"pwd") == 0) func_pwd();
if(strcmp(cmdname,"exit") == 0) func_exit();
else{ //uso do fork aqui
//pid_t cpid = fork();
int wait_pid;
int status;
int lastchild;
if (cpid < 0) {
perror("fork");
exit(127);
}
else if (cpid > 0) { /* pai */
lastchild = cpid;
wait_pid = wait(&status);
}
else { /* filho */
if(globbuf == NULL) execvp(cmdname, cmd->argv);
else execvp(cmdname, globbuf->gl_pathv);
perror("exec");
exit(127);
}
if(wait_pid < 0) perror("wait");
}
}
int main(int argc, char *argv[])
{
void (*OldSig)(int);
OldSig=signal(SIGINT,SIG_IGN);
printf("nn************************************************************rn");
printf("* zFTP *rn");
printf("************************************************************rn");
printf(" Copyright (c) 2005rn");
printf(" All rights reserved.rn");
printf(" By Ji Surn");
if(argc > 0)
{
printf("nPlease use 'connect <system name> <user>' command to connect to a FTPserverrn");
printf("For anonymous user, please leave <user> blank.rn");
}
//Main loop starts;
//Checks on keyboard i/o for interaction and socket communication.
int exit=0;
char command[1024];
printf("nzftp>");
while(!exit) {
if( ReadCommand ) {
printf("nzftp>");
fflush(stdout);
}
if( !CheckFds(command) )
continue;
switch(check_cmd(command) ) {
case READ:
func_read(command);
break;
case WRITE:
func_write(command);
break;
case BINARY:
func_binary_mode();
break;
case ASCII:
func_ascii_mode();
break;
case CLOSE:
func_close();
break;
case CONNECT:
func_connect(command);
break;
case CD:
func_cdir(command);
break;
case DELETE:
func_delete(command);
break;
case PWD:
func_pwd(command);
break;
case LS:
func_list(command);
break;
case HELP:
func_help(command);
break;
case SHELL:
func_Shell_cmd(command);
break;
case EXIT:
exit = 1;
if( flag_connected )
func_close();
break;
default:
if(command[0] == 0 ) ;
else
printf("Invalid command: %sn",command);
break;
}
}
(void)signal(SIGINT,OldSig);
return 0;
}
