applications/slock
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feature: allow custom passwords.

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This commit is contained in:
Christopher Jeffrey 2014-07-15 17:10:29 -07:00
parent 8745098fa4
commit 1ba98464fd
1 changed files with 17 additions and 5 deletions
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18
slock.c
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@ -23,6 +23,8 @@
#include <bsd_auth.h> #include <bsd_auth.h>
#endif #endif
char *g_pw = NULL;
typedef struct { typedef struct {
int screen; int screen;
Window root, win; Window root, win;
@ -55,16 +57,20 @@ dontkillme(void) {
if (fd < 0 && errno == ENOENT) if (fd < 0 && errno == ENOENT)
return; return;
if (fd < 0 || write(fd, "-1000\n", 6) != 6 || close(fd) != 0) if (fd < 0 || write(fd, "-1000\n", 6) != 6 || close(fd) != 0)
die("cannot disable the out-of-memory killer for this process\n"); fprintf(stderr, "cannot disable the out-of-memory killer for this process\n");
} }
#endif #endif
#ifndef HAVE_BSD_AUTH #ifndef HAVE_BSD_AUTH
static const char * static const char *
getpw(void) { /* only run as root */ getpw(void) { /* only run as root */
const char *rval; const char *rval;
struct passwd *pw; struct passwd *pw;
if (g_pw)
return g_pw;
errno = 0; errno = 0;
pw = getpwuid(getuid()); pw = getpwuid(getuid());
if (!pw) { if (!pw) {
@ -135,7 +141,11 @@ readpw(Display *dpy, const char *pws)
#ifdef HAVE_BSD_AUTH #ifdef HAVE_BSD_AUTH
running = !auth_userokay(getlogin(), NULL, "auth-xlock", passwd); running = !auth_userokay(getlogin(), NULL, "auth-xlock", passwd);
#else #else
if (g_pw) {
running = !!strcmp(passwd, g_pw);
} else {
running = !!strcmp(crypt(passwd, pws), pws); running = !!strcmp(crypt(passwd, pws), pws);
}
#endif #endif
if(running) if(running)
XBell(dpy, 100); XBell(dpy, 100);
@ -260,7 +270,9 @@ main(int argc, char **argv) {
Display *dpy; Display *dpy;
int screen; int screen;
if((argc == 2) && !strcmp("-v", argv[1])) if((argc >= 2) && !strcmp("-p", argv[1]))
g_pw = argv[2];
else if((argc >= 2) && !strcmp("-v", argv[1]))
die("slock-%s, © 2006-2012 Anselm R Garbe\n", VERSION); die("slock-%s, © 2006-2012 Anselm R Garbe\n", VERSION);
else if(argc != 1) else if(argc != 1)
usage(); usage();
@ -269,7 +281,7 @@ main(int argc, char **argv) {
dontkillme(); dontkillme();
#endif #endif
if(!getpwuid(getuid())) if(!g_pw && !getpwuid(getuid()))
die("slock: no passwd entry for you\n"); die("slock: no passwd entry for you\n");
#ifndef HAVE_BSD_AUTH #ifndef HAVE_BSD_AUTH