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Multiple errors on wrong password #119

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Multiple errors on wrong password #119

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15 changes: 12 additions & 3 deletions src/auth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#include "auth.h"

struct conv_data {
char authentication_err;
const char *pw;
int *err;
int *out;
Expand Down Expand Up @@ -58,15 +59,23 @@ static int conversation(
switch(msg[i]->msg_style) {
case PAM_PROMPT_ECHO_OFF:
case PAM_PROMPT_ECHO_ON:
if (data->authentication_err == 1) {
free(*resp);
*resp = NULL;
return PAM_ABORT;
}

resp[i]->resp = strdup(data->pw);
if(resp[i]->resp == NULL) {
g_warning("Failed allocation");
return PAM_ABORT;
}
break;
case PAM_ERROR_MSG:
send_msg(msg[i]->msg, data->err[1]);
break;
//send_msg(msg[i]->msg, data->err[1]);
g_warning("gtklock: Wrong password!");
data->authentication_err = 1;
break;
case PAM_TEXT_INFO:
send_msg(msg[i]->msg, data->out[1]);
break;
Expand All @@ -88,7 +97,7 @@ static void auth_child(const char *s, int *err, int *out) {
char *username = pwd->pw_name;
int pam_status;
struct pam_handle *handle;
struct conv_data data = { .pw = s, .err = err, .out = out };
struct conv_data data = { .authentication_err = 0, .pw = s, .err = err, .out = out };
struct pam_conv conv = { conversation, (void *)&data };
pam_status = pam_start("gtklock", username, &conv, &handle);
if(pam_status != PAM_SUCCESS) {
Expand Down