void commands_loop()
{
char input[256];
int index = 0;
while (1)
{
char key = keyboard_read();
console_putchar(key);
if (key == 13 || key == 10)
{
// execute command
input[index] = '\0';
commands_run(input);
memset(input, 0, 256);
index = 0;
}
else
{
input[index] = key;
index++;
}
}
}
void
dsi_command(globus_gfs_operation_t Operation,
globus_gfs_command_info_t * CommandInfo,
void * UserArg)
{
commands_run(Operation, CommandInfo, UserArg, globus_gridftp_server_finished_command);
}
/**
* @short Runs a specific subcommand, NOT replacing current process.
*/
int commands_run_no_exec(const char *subcommand, int argc, char **argv){
subcommand_t *command=subcommand_find(subcommand);
if (!command){
fprintf(stderr, "Invalid command: %s\n", subcommand);
return -1;
}
if (command->type==SC_EXTERNAL){ // If external, will do execv, do fork here
pid_t pid;
if ( (pid=fork()) == 0){
commands_run(subcommand, argc, argv);
exit(1); // If got here, command was not run properly.
}
int status=0;
waitpid(pid,&status,0);
if (!WIFEXITED(status)){
fprintf(stderr, "Error executing command %s.\n", subcommand);
}
return WEXITSTATUS(status);
}
else{ // If not, jsut run.
return commands_run(subcommand, argc, argv);
}
}
int main(int argc, char **argv){
if (argc==2 && strcmp(argv[1],"--one-line-help")==0){
printf("Executes a restricted shell\n");
return 0;
}
#ifdef DEFAULT_COMMANDS_PATH
setenv(COMMANDS_PATH, DEFAULT_COMMANDS_PATH, 1);
#else
setenv(COMMANDS_PATH, getenv("PATH"), 1);
#endif
// Must be set at COMMANDS_NAME envvar.
commands_name=getenv("COMMANDS_NAME");
if (!commands_name){
char *tmp;
#ifdef COMMAND_NAME
tmp=strdup(COMMAND_NAME);
#else
tmp=strdup(argv[0]);
#endif
commands_name=strdup(basename(tmp));
free(tmp);
// Use first part of my own name
char *dash=strchr(commands_name,'-');
if (dash)
*dash=0;
}
else
commands_name=strdup(commands_name);
commands_name_length=strlen(commands_name);
commands_config_parse();
update_allowed_commands();
if (argc>1){ // May set one command as arguments.
commands_run(argv[1], argc-1, argv+1);
exit(0);
}
int running=1;
char line[2048];
memset(line, 0, sizeof(line));
char *margv[256];
unsigned long n=1;
while(running){
printf("%s:%ld> ", commands_name, n++);
fflush(stdout);
memset(line, 0, sizeof(line));
if ( !fgets(line, sizeof(line), stdin) ){
running=0;
break;
}
if (!strchr(line,'\0')){
fprintf(stderr,"Statement too long. Ignoring.");
}
else{
char *I=line, *endI=line+strnlen(line, sizeof(line))-1;
*(endI)=0;
int margc=1;
margv[0]=I;
for(;I!=endI && *I;++I){
if (isspace(*I)){
*I++=0;
while (isspace(*I)) ++I;
margv[margc++]=I;
}
}
margv[margc]=NULL;
if (strcmp(margv[0],"exit")==0){
printf("Bye.\n");
running=0;
}
else
commands_run_no_exec(margv[0], margc, margv);
}
}
printf("\n");
subcommand_list_free();
free(commands_name);
return 0;
}