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Code Issues Releases Wiki Activity

Added options to execute some program after n failed authentication 

attempts
pull/190/head
Jonas Röger 2018-06-18 20:21:12 +02:00
parent ad680b4019
commit ff7ae95012
1 changed files with 28 additions and 2 deletions
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30
i3lock.c
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@ -82,6 +82,9 @@ extern auth_state_t auth_state;
int failed_attempts = 0;
bool show_failed_attempts = false;
bool retry_verification = false;
int max_failed_attempts = 3;
bool max_failed_attempts_enabled = false;
char *max_failed_attempts_exec;
static struct xkb_state *xkb_state;
static struct xkb_context *xkb_context;
@ -363,6 +366,17 @@ static void input_done(void) {
xcb_bell(conn, 100);
xcb_flush(conn);
}
/* execute on max failed attempts, if enabled */
if (max_failed_attempts_enabled && failed_attempts > max_failed_attempts) {
/* This "double" fork is needed, because system() blocks */
if (!fork()) {
/* Child */
if (max_failed_attempts_exec)
system(max_failed_attempts_exec);
exit(EXIT_SUCCESS);
}
}
}
static void redraw_timeout(EV_P_ ev_timer *w, int revents) {
@ -878,6 +892,8 @@ int main(int argc, char *argv[]) {
{"ignore-empty-password", no_argument, NULL, 'e'},
{"inactivity-timeout", required_argument, NULL, 'I'},
{"show-failed-attempts", no_argument, NULL, 'f'},
{"max-failed-attempts-exec", required_argument, NULL, 'x'},
{"max-failed-attempts", required_argument, NULL, 'm'},
{NULL, no_argument, NULL, 0}};
if ((pw = getpwuid(getuid())) == NULL)
@ -885,7 +901,7 @@ int main(int argc, char *argv[]) {
if ((username = pw->pw_name) == NULL)
errx(EXIT_FAILURE, "pw->pw_name is NULL.\n");
char *optstring = "hvnbdc:p:ui:teI:f";
char *optstring = "hvnbdc:p:ui:teI:fx:m:";
while ((o = getopt_long(argc, argv, optstring, longopts, &longoptind)) != -1) {
switch (o) {
case 'v':
@ -943,9 +959,19 @@ int main(int argc, char *argv[]) {
case 'f':
show_failed_attempts = true;
break;
case 'x':
max_failed_attempts_enabled = true;
max_failed_attempts_exec = strdup(optarg);
break;
case 'm': {
int m = atoi(optarg);
if (m >= 0)
max_failed_attempts = m;
break;
}
default:
errx(EXIT_FAILURE, "Syntax: i3lock [-v] [-n] [-b] [-d] [-c color] [-u] [-p win|default]"
" [-i image.png] [-t] [-e] [-I timeout] [-f]");
" [-i image.png] [-t] [-e] [-I timeout] [-f] [-x exec] [-m max_retries]");
}
}