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Move all PAM code behind UES_PAM and enable that by default.

pull/123/head
Jasper Lievisse Adriaanse 2017-04-15 09:45:51 +02:00
parent c1de117825
commit 15973d1f52
2 changed files with 13 additions and 0 deletions
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1
Makefile
View File

@ -14,6 +14,7 @@ CFLAGS += -std=c99
CFLAGS += -pipe
CFLAGS += -Wall
CPPFLAGS += -D_GNU_SOURCE
CPPFLAGS += -DUSE_PAM
CFLAGS += $(shell $(PKG_CONFIG) --cflags cairo xcb-composite xcb-xinerama xcb-atom xcb-image xcb-xkb xkbcommon xkbcommon-x11)
LIBS += $(shell $(PKG_CONFIG) --libs cairo xcb-composite xcb-xinerama xcb-atom xcb-image xcb-xkb xkbcommon xkbcommon-x11)
LIBS += -lpam

12
i3lock.c
View File

@ -18,7 +18,9 @@
#include <xcb/xkb.h>
#include <err.h>
#include <assert.h>
#ifdef USE_PAM
#include <security/pam_appl.h>
#endif
#include <getopt.h>
#include <string.h>
#include <ev.h>
@ -49,7 +51,9 @@ char color[7] = "ffffff";
uint32_t last_resolution[2];
xcb_window_t win;
static xcb_cursor_t cursor;
#ifdef USE_PAM
static pam_handle_t *pam_handle;
#endif
int input_position = 0;
/* Holds the password you enter (in UTF-8). */
static char password[512];
@ -253,6 +257,7 @@ static void input_done(void) {
unlock_state = STATE_STARTED;
redraw_screen();
#ifdef USE_PAM
if (pam_authenticate(pam_handle, 0) == PAM_SUCCESS) {
DEBUG("successfully authenticated\n");
clear_password_memory();
@ -266,6 +271,7 @@ static void input_done(void) {
exit(0);
}
#endif
if (debug_mode)
fprintf(stderr, "Authentication failure\n");
@ -597,6 +603,7 @@ void handle_screen_resize(void) {
redraw_screen();
}
#ifdef USE_PAM
/*
* Callback function for PAM. We only react on password request callbacks.
*
@ -627,6 +634,7 @@ static int conv_callback(int num_msg, const struct pam_message **msg,
return 0;
}
#endif
/*
* This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb.
@ -782,8 +790,10 @@ int main(int argc, char *argv[]) {
struct passwd *pw;
char *username;
char *image_path = NULL;
#ifdef USE_PAM
int ret;
struct pam_conv conv = {conv_callback, NULL};
#endif
int curs_choice = CURS_NONE;
int o;
int optind = 0;
@ -877,12 +887,14 @@ int main(int argc, char *argv[]) {
* the unlock indicator upon keypresses. */
srand(time(NULL));
#ifdef USE_PAM
/* Initialize PAM */
if ((ret = pam_start("i3lock", username, &conv, &pam_handle)) != PAM_SUCCESS)
errx(EXIT_FAILURE, "PAM: %s", pam_strerror(pam_handle, ret));
if ((ret = pam_set_item(pam_handle, PAM_TTY, getenv("DISPLAY"))) != PAM_SUCCESS)
errx(EXIT_FAILURE, "PAM: %s", pam_strerror(pam_handle, ret));
#endif
/* Using mlock() as non-super-user seems only possible in Linux. Users of other
* operating systems should use encrypted swap/no swap (or remove the ifdef and