static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
{
char *argv[max_args];
int argc;
argc = tokenize_cmd(cmd, argv);
if (argc)
wpa_request(ctrl_conn, argc, argv);
}
int main(void){
char cmd[MAX_CMD_LENGTH]=""; //Command entered by the user including arguments,pipes,redirections,etc.
char *tokens[MAX_CMD_LENGTH]={NULL}; //Stores the parsed command(Eg: token[0]=ls, token[1]=-l)
char *commands[PATH_MAX]={NULL}; //Pathname of the actual commands. Commands may be more than one due to piping.
char *target_cmd;
int cpid,child_err_code;
//Initialize PS1 content
init_ps1();
while(1){
printf("%s",PS1); //Display prompt(PS1)
if(!fgets(cmd,MAX_CMD_LENGTH,stdin)){ //Get input
perror("fgets");
exit(EXIT_FAILURE);
}
if(strcmp(cmd,"\n") == 0) //If Empty command then new prompt again
continue;
cmd[strlen(cmd)-1] = '\0'; //Replace '\n' with a '\0'
if(strcmp(cmd,"exit") == 0) //Exit code
exit(0);
//Tokenize the command
if(tokenize_cmd(cmd,tokens) == -1){
fprintf(stderr,"Shell Error: Too may tokens in command.\n");
continue;
}
//Extract command names
if(parse_cmd(tokens,commands) == -1){
fprintf(stderr,"Shell Error: Unable to parse command.\n");
continue;
}
target_cmd = search_cmd(commands[0]); //TODO....Modify this code for every commands
//This is the core function of a shell. Rest are features.
//Execute command by invoking the respective program for it using exec()
//TODO....
cpid = fork();
if(cpid == -1){
perror("fork");
exit(EXIT_FAILURE);
}
if(cpid == 0){ //Child process
if(execv(target_cmd,tokens) == -1){ //TODO...Extract command pathname and argument list
perror("execv");
exit(EXIT_FAILURE); //Child exits if failed
}
}
wait(&child_err_code);
}
return 0;
}
static void wlantest_cli_edit_cmd_cb(void *ctx, char *cmd)
{
struct wlantest_cli *cli = ctx;
char *argv[max_args];
int argc;
argc = tokenize_cmd(cmd, argv);
if (argc) {
int ret = ctrl_command(cli->s, argc, argv);
if (ret < 0)
printf("FAIL\n");
}
}
