void netstats(void) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(0); // include all processes
printf("Displaying network statistics only for sandboxes using a new network namespace.\n");
// print processes
while (1) {
// set pid table
int i;
int itv = 5; // 5 second interval
pid_read(0); // todo: preserve the last calculation if any, so we don't have to do get_stats()
// start rx/tx measurements
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1)
get_stats(i);
}
// wait 5 seconds
firemon_sleep(itv);
// grab screen size
struct winsize sz;
int row = 24;
int col = 80;
if (!ioctl(0, TIOCGWINSZ, &sz)) {
col = sz.ws_col;
row = sz.ws_row;
}
// start printing
firemon_clrscr();
char *header = get_header();
if (strlen(header) > col)
header[col] = '\0';
printf("%s\n", header);
if (row > 0)
row--;
free(header);
// start rx/tx measurements
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1) {
get_stats(i);
print_proc(i, itv, col);
}
}
}
}
void tree(void) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(0); // include all processes
// print processes
int i;
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1)
pid_print_tree(i, 0, 0);
}
}
void list(void) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(0); // include all processes
// print processes
int i;
for (i = 0; i < max_pids; i++) {
if (pids[i].level == 1)
pid_print_list(i, 0);
}
}
void cpu(void) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(0); // include all processes
// print processes
int i;
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1) {
pid_print_list(i, 0);
int child = find_child(i);
if (child != -1)
print_cpu(child);
}
}
}
void cpu(pid_t pid) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(pid);
// print processes
int i;
for (i = 0; i < max_pids; i++) {
if (pids[i].level == 1) {
pid_print_list(i, 0);
int child = find_child(i);
if (child != -1)
print_cpu(child);
}
}
}
void seccomp(pid_t pid) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(pid); // include all processes
// print processes
int i;
for (i = 0; i < max_pids; i++) {
if (pids[i].level == 1) {
pid_print_list(i, 0);
int child = find_child(i);
if (child != -1)
print_seccomp(child);
}
}
printf("\n");
}
void arp(pid_t pid) {
if (getuid() == 0)
firemon_drop_privs();
pid_read(pid);
// print processes
int i;
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1) {
pid_print_list(i, 0);
int child = find_child(i);
if (child != -1) {
char *fname;
if (!asprintf(&fname, "/proc/%d/net/arp", child) == -1)
errExit("asprintf");
print_arp(fname);
free(fname);
printf("\n");
}
}
}
}
void top(void) {
if (getuid() == 0)
firemon_drop_privs();
while (1) {
// clear linked list
head_clear();
// set pid table
int i;
int itv = 5; // 5 second interval
pid_read(0);
// start cpu measurements
unsigned utime;
unsigned stime;
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1)
pid_store_cpu(i, 0, &utime, &stime);
}
// wait 5 seconds
firemon_sleep(itv);
// grab screen size
struct winsize sz;
int row = 24;
int col = 80;
if (!ioctl(0, TIOCGWINSZ, &sz)) {
col = sz.ws_col;
row = sz.ws_row;
}
// start printing
firemon_clrscr();
char *header = get_header();
if (strlen(header) > col)
header[col] = '\0';
printf("%s\n", header);
if (row > 0)
row--;
free(header);
// find system uptime
FILE *fp = fopen("/proc/uptime", "r");
if (fp) {
float f;
int rv = fscanf(fp, "%f", &f);
(void) rv;
sysuptime = (unsigned long long) f;
fclose(fp);
}
// print processes
for (i = 0; i < MAX_PIDS; i++) {
if (pids[i].level == 1) {
float cpu = 0;
int cnt = 0; // process count
char *line = print_top(i, 0, &utime, &stime, itv, &cpu, &cnt);
if (line)
head_add(cpu, line);
}
}
head_print(col, row);
}
}
