slock

fork of slock
git clone git://popovic.xyz/slock.git
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commit df4429ff647fa8612e70622a076a3799b016c5de
parent 5098182bc2019f6040de7892fb0d05111ecb2bbe
Author: Milutin Popovic <mika@popovic.xyz>
Date:   Tue, 18 Nov 2025 20:48:01 +0000

add xresources functionality

Diffstat:
Aconfig.def.h.orig | 41+++++++++++++++++++++++++++++++++++++++++
Aconfig.def.h.rej | 26++++++++++++++++++++++++++
Apatches/slock-xresources-20191126-53e56c7.diff | 159+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Aslock.c.orig | 569+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Aslock.c.rej | 19+++++++++++++++++++
5 files changed, 814 insertions(+), 0 deletions(-)

diff --git a/config.def.h.orig b/config.def.h.orig @@ -0,0 +1,41 @@ +/* user and group to drop privileges to */ +static const char *user = "mika"; +static const char *group = "mika"; + +static const char *colorname[NUMCOLS] = { + [BACKGROUND] = "white", + [INIT] = "2d2d2d", /* after initialization */ + [INPUT] = "#005577", /* during input */ + [FAILED] = "#CC3333", /* wrong password */ + [CAPS] = "red", /* CapsLock on */ +}; + +/* treat a cleared input like a wrong password (color) */ +static const int failonclear = 1; + +static const int monitortime = 5; + +static const int logosize = 75; +static const int logow = 12; /* Grid width and height for right center alignment*/ +static const int logoh = 6; + +static XRectangle rectangles[9] = { + {0, 3, 1, 3}, + {1, 3, 2, 1}, + {0, 5, 8, 1}, + {3, 0, 1, 5}, + {5, 3, 1, 2}, + {7, 3, 1, 2}, + {8, 3, 4, 1}, + {9, 4, 1, 2}, + {11,4, 1, 2}, +}; + +/*Enable blur*/ +#define BLUR +/*Set blur radius*/ +static const int blurRadius=5; +/*Enable Pixelation*/ +//#define PIXELATION +/*Set pixelation radius*/ +static const int pixelSize=0; diff --git a/config.def.h.rej b/config.def.h.rej @@ -0,0 +1,26 @@ +--- config.def.h ++++ config.def.h +@@ -3,11 +3,21 @@ static const char *user = "nobody"; + static const char *group = "nogroup"; + + static const char *colorname[NUMCOLS] = { +- [INIT] = "black", /* after initialization */ +- [INPUT] = "#005577", /* during input */ ++ [INIT] = "black", /* after initialization */ ++ [INPUT] = "#005577", /* during input */ + [FAILED] = "#CC3333", /* wrong password */ + [CAPS] = "red", /* CapsLock on */ + }; + ++/* ++ * Xresources preferences to load at startup ++ */ ++ResourcePref resources[] = { ++ { "color0", STRING, &colorname[INIT] }, ++ { "color4", STRING, &colorname[INPUT] }, ++ { "color1", STRING, &colorname[FAILED] }, ++ { "color3", STRING, &colorname[CAPS] }, ++}; ++ + /* treat a cleared input like a wrong password (color) */ + static const int failonclear = 1; diff --git a/patches/slock-xresources-20191126-53e56c7.diff b/patches/slock-xresources-20191126-53e56c7.diff @@ -0,0 +1,159 @@ +From 53e56c751b3f2be4154760788850c51dbffc0add Mon Sep 17 00:00:00 2001 +From: Arnas Udovicius <zordsdavini@gmail.com> +Date: Tue, 26 Nov 2019 16:16:15 +0200 +Subject: [PATCH] Read colors from Xresources + +--- + config.def.h | 14 +++++++++-- + slock.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++ + util.h | 3 +++ + 3 files changed, 83 insertions(+), 2 deletions(-) + +diff --git a/config.def.h b/config.def.h +index 6288856..bfc1ba0 100644 +--- a/config.def.h ++++ b/config.def.h +@@ -3,11 +3,21 @@ static const char *user = "nobody"; + static const char *group = "nogroup"; + + static const char *colorname[NUMCOLS] = { +- [INIT] = "black", /* after initialization */ +- [INPUT] = "#005577", /* during input */ ++ [INIT] = "black", /* after initialization */ ++ [INPUT] = "#005577", /* during input */ + [FAILED] = "#CC3333", /* wrong password */ + [CAPS] = "red", /* CapsLock on */ + }; + ++/* ++ * Xresources preferences to load at startup ++ */ ++ResourcePref resources[] = { ++ { "color0", STRING, &colorname[INIT] }, ++ { "color4", STRING, &colorname[INPUT] }, ++ { "color1", STRING, &colorname[FAILED] }, ++ { "color3", STRING, &colorname[CAPS] }, ++}; ++ + /* treat a cleared input like a wrong password (color) */ + static const int failonclear = 1; +diff --git a/slock.c b/slock.c +index 5f4fb7a..2395547 100644 +--- a/slock.c ++++ b/slock.c +@@ -6,6 +6,7 @@ + + #include <ctype.h> + #include <errno.h> ++#include <math.h> + #include <grp.h> + #include <pwd.h> + #include <stdarg.h> +@@ -19,6 +20,7 @@ + #include <X11/Xlib.h> + #include <X11/Xutil.h> + #include <X11/XKBlib.h> ++#include <X11/Xresource.h> + + #include "arg.h" + #include "util.h" +@@ -46,6 +48,19 @@ struct xrandr { + int errbase; + }; + ++/* Xresources preferences */ ++enum resource_type { ++ STRING = 0, ++ INTEGER = 1, ++ FLOAT = 2 ++}; ++ ++typedef struct { ++ char *name; ++ enum resource_type type; ++ void *dst; ++} ResourcePref; ++ + #include "config.h" + + static void +@@ -306,6 +321,57 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen) + return NULL; + } + ++int ++resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst) ++{ ++ char **sdst = dst; ++ int *idst = dst; ++ float *fdst = dst; ++ ++ char fullname[256]; ++ char fullclass[256]; ++ char *type; ++ XrmValue ret; ++ ++ snprintf(fullname, sizeof(fullname), "%s.%s", "slock", name); ++ snprintf(fullclass, sizeof(fullclass), "%s.%s", "Slock", name); ++ fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0'; ++ ++ XrmGetResource(db, fullname, fullclass, &type, &ret); ++ if (ret.addr == NULL || strncmp("String", type, 64)) ++ return 1; ++ ++ switch (rtype) { ++ case STRING: ++ *sdst = ret.addr; ++ break; ++ case INTEGER: ++ *idst = strtoul(ret.addr, NULL, 10); ++ break; ++ case FLOAT: ++ *fdst = strtof(ret.addr, NULL); ++ break; ++ } ++ return 0; ++} ++ ++void ++config_init(Display *dpy) ++{ ++ char *resm; ++ XrmDatabase db; ++ ResourcePref *p; ++ ++ XrmInitialize(); ++ resm = XResourceManagerString(dpy); ++ if (!resm) ++ return; ++ ++ db = XrmGetStringDatabase(resm); ++ for (p = resources; p < resources + LEN(resources); p++) ++ resource_load(db, p->name, p->type, p->dst); ++} ++ + static void + usage(void) + { +@@ -364,6 +430,8 @@ main(int argc, char **argv) { + if (setuid(duid) < 0) + die("slock: setuid: %s\n", strerror(errno)); + ++ config_init(dpy); ++ + /* check for Xrandr support */ + rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase); + +diff --git a/util.h b/util.h +index 6f748b8..148dbc1 100644 +--- a/util.h ++++ b/util.h +@@ -1,2 +1,5 @@ ++/* macros */ ++#define LEN(a) (sizeof(a) / sizeof(a)[0]) ++ + #undef explicit_bzero + void explicit_bzero(void *, size_t); +-- +2.24.0 + diff --git a/slock.c.orig b/slock.c.orig @@ -0,0 +1,569 @@ +/* See LICENSE file for license details. */ +#define _XOPEN_SOURCE 500 +#define LENGTH(X) (sizeof X / sizeof X[0]) +#if HAVE_SHADOW_H +#include <shadow.h> +#endif + +#include <ctype.h> +#include <errno.h> +#include <grp.h> +#include <pwd.h> +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <spawn.h> +#include <sys/types.h> +#include <X11/extensions/Xrandr.h> +#ifdef XINERAMA +#include <X11/extensions/Xinerama.h> +#endif +#include <X11/keysym.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/XKBlib.h> +#include <X11/Xmd.h> +#include <X11/extensions/dpms.h> + +#include <Imlib2.h> + +#include "arg.h" +#include "util.h" + +char *argv0; + +enum { + BACKGROUND, + INIT, + INPUT, + FAILED, + CAPS, + NUMCOLS +}; + +#include "config.h" + +struct lock { + int screen; + Window root, win; + Pixmap pmap; + Pixmap bgmap; + unsigned long colors[NUMCOLS]; + unsigned int x, y; + unsigned int xoff, yoff, mw, mh; + Drawable drawable; + GC gc; + XRectangle rectangles[LENGTH(rectangles)]; +}; + +struct xrandr { + int active; + int evbase; + int errbase; +}; + +Imlib_Image image; + +static void +die(const char *errstr, ...) +{ + va_list ap; + + va_start(ap, errstr); + vfprintf(stderr, errstr, ap); + va_end(ap); + exit(1); +} + +#ifdef __linux__ +#include <fcntl.h> +#include <linux/oom.h> + +static void +dontkillme(void) +{ + FILE *f; + const char oomfile[] = "/proc/self/oom_score_adj"; + + if (!(f = fopen(oomfile, "w"))) { + if (errno == ENOENT) + return; + die("slock: fopen %s: %s\n", oomfile, strerror(errno)); + } + fprintf(f, "%d", OOM_SCORE_ADJ_MIN); + if (fclose(f)) { + if (errno == EACCES) + die("slock: unable to disable OOM killer. " + "Make sure to suid or sgid slock.\n"); + else + die("slock: fclose %s: %s\n", oomfile, strerror(errno)); + } +} +#endif + +static const char * +gethash(void) +{ + const char *hash; + struct passwd *pw; + + /* Check if the current user has a password entry */ + errno = 0; + if (!(pw = getpwuid(getuid()))) { + if (errno) + die("slock: getpwuid: %s\n", strerror(errno)); + else + die("slock: cannot retrieve password entry\n"); + } + hash = pw->pw_passwd; + +#if HAVE_SHADOW_H + if (!strcmp(hash, "x")) { + struct spwd *sp; + if (!(sp = getspnam(pw->pw_name))) + die("slock: getspnam: cannot retrieve shadow entry. " + "Make sure to suid or sgid slock.\n"); + hash = sp->sp_pwdp; + } +#else + if (!strcmp(hash, "*")) { +#ifdef __OpenBSD__ + if (!(pw = getpwuid_shadow(getuid()))) + die("slock: getpwnam_shadow: cannot retrieve shadow entry. " + "Make sure to suid or sgid slock.\n"); + hash = pw->pw_passwd; +#else + die("slock: getpwuid: cannot retrieve shadow entry. " + "Make sure to suid or sgid slock.\n"); +#endif /* __OpenBSD__ */ + } +#endif /* HAVE_SHADOW_H */ + + return hash; +} + +static void +resizerectangles(struct lock *lock) +{ + int i; + + for (i = 0; i < LENGTH(rectangles); i++){ + lock->rectangles[i].x = (rectangles[i].x * logosize) + + lock->xoff + ((lock->mw) / 2) - (logow / 2 * logosize); + lock->rectangles[i].y = (rectangles[i].y * logosize) + + lock->yoff + ((lock->mh) / 2) - (logoh / 2 * logosize); + lock->rectangles[i].width = rectangles[i].width * logosize; + lock->rectangles[i].height = rectangles[i].height * logosize; + } +} + +static void +drawlogo(Display *dpy, struct lock *lock, int color) +{ + XSetForeground(dpy, lock->gc, lock->colors[color]); + XFillRectangles(dpy, lock->win, lock->gc, lock->rectangles, LENGTH(rectangles)); + XSync(dpy, False); +} + +static void +readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens, + const char *hash) +{ + XRRScreenChangeNotifyEvent *rre; + char buf[32], passwd[256], *inputhash; + int caps, num, screen, running, failure, oldc; + unsigned int len, color, indicators; + KeySym ksym; + XEvent ev; + + len = 0; + caps = 0; + running = 1; + failure = 0; + oldc = INIT; + + if (!XkbGetIndicatorState(dpy, XkbUseCoreKbd, &indicators)) + caps = indicators & 1; + + while (running && !XNextEvent(dpy, &ev)) { + if (ev.type == KeyPress) { + explicit_bzero(&buf, sizeof(buf)); + num = XLookupString(&ev.xkey, buf, sizeof(buf), &ksym, 0); + if (IsKeypadKey(ksym)) { + if (ksym == XK_KP_Enter) + ksym = XK_Return; + else if (ksym >= XK_KP_0 && ksym <= XK_KP_9) + ksym = (ksym - XK_KP_0) + XK_0; + } + if (IsFunctionKey(ksym) || + IsKeypadKey(ksym) || + IsMiscFunctionKey(ksym) || + IsPFKey(ksym) || + IsPrivateKeypadKey(ksym)) + continue; + switch (ksym) { + case XK_Return: + passwd[len] = '\0'; + errno = 0; + if (!(inputhash = crypt(passwd, hash))) + fprintf(stderr, "slock: crypt: %s\n", strerror(errno)); + else + running = !!strcmp(inputhash, hash); + if (running) { + XBell(dpy, 100); + failure = 1; + } + explicit_bzero(&passwd, sizeof(passwd)); + len = 0; + break; + case XK_Escape: + explicit_bzero(&passwd, sizeof(passwd)); + len = 0; + break; + case XK_BackSpace: + if (len) + passwd[--len] = '\0'; + break; + case XK_Caps_Lock: + caps = !caps; + break; + default: + if (num && !iscntrl((int)buf[0]) && + (len + num < sizeof(passwd))) { + memcpy(passwd + len, buf, num); + len += num; + } else if (buf[0] == '\025') { /* ctrl-u clears input */ + explicit_bzero(&passwd, sizeof(passwd)); + len = 0; + } + break; + } + color = len ? (caps ? CAPS : INPUT) : (failure || failonclear ? FAILED : INIT); + if (running && oldc != color) { + for (screen = 0; screen < nscreens; screen++) { + if(locks[screen]->bgmap) + XSetWindowBackgroundPixmap(dpy, locks[screen]->win, locks[screen]->bgmap); + else + XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]); + //XClearWindow(dpy, locks[screen]->win); + drawlogo(dpy, locks[screen], color); + } + oldc = color; + } + } else if (rr->active && ev.type == rr->evbase + RRScreenChangeNotify) { + rre = (XRRScreenChangeNotifyEvent*)&ev; + for (screen = 0; screen < nscreens; screen++) { + if (locks[screen]->win == rre->window) { + if (rre->rotation == RR_Rotate_90 || + rre->rotation == RR_Rotate_270) + XResizeWindow(dpy, locks[screen]->win, + rre->height, rre->width); + else + XResizeWindow(dpy, locks[screen]->win, + rre->width, rre->height); + XClearWindow(dpy, locks[screen]->win); + break; + } + } + } else { + for (screen = 0; screen < nscreens; screen++) + XRaiseWindow(dpy, locks[screen]->win); + } + } +} + +static struct lock * +lockscreen(Display *dpy, struct xrandr *rr, int screen) +{ + char curs[] = {0, 0, 0, 0, 0, 0, 0, 0}; + int i, ptgrab, kbgrab; + struct lock *lock; + XColor color, dummy; + XSetWindowAttributes wa; + Cursor invisible; +#ifdef XINERAMA + XineramaScreenInfo *info; + int n; +#endif + + if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock)))) + return NULL; + + lock->screen = screen; + lock->root = RootWindow(dpy, lock->screen); + + if(image) + { + lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen)); + imlib_context_set_image(image); + imlib_context_set_display(dpy); + imlib_context_set_visual(DefaultVisual(dpy, lock->screen)); + imlib_context_set_colormap(DefaultColormap(dpy, lock->screen)); + imlib_context_set_drawable(lock->bgmap); + imlib_render_image_on_drawable(0, 0); + imlib_free_image(); + } + for (i = 0; i < NUMCOLS; i++) { + XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), + colorname[i], &color, &dummy); + lock->colors[i] = color.pixel; + } + + lock->x = DisplayWidth(dpy, lock->screen); + lock->y = DisplayHeight(dpy, lock->screen); +#ifdef XINERAMA + if ((info = XineramaQueryScreens(dpy, &n))) { + lock->xoff = info[0].x_org; + lock->yoff = info[0].y_org; + lock->mw = info[0].width; + lock->mh = info[0].height; + } else +#endif + { + lock->xoff = lock->yoff = 0; + lock->mw = lock->x; + lock->mh = lock->y; + } + lock->drawable = XCreatePixmap(dpy, lock->root, + lock->x, lock->y, DefaultDepth(dpy, screen)); + lock->gc = XCreateGC(dpy, lock->root, 0, NULL); + XSetLineAttributes(dpy, lock->gc, 1, LineSolid, CapButt, JoinMiter); + + /* init */ + wa.override_redirect = 1; + wa.background_pixel = lock->colors[BACKGROUND]; + lock->win = XCreateWindow(dpy, lock->root, 0, 0, + lock->x, lock->y, + 0, DefaultDepth(dpy, lock->screen), + CopyFromParent, + DefaultVisual(dpy, lock->screen), + CWOverrideRedirect | CWBackPixel, &wa); + if(lock->bgmap) + XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap); + lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8); + invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, + &color, &color, 0, 0); + XDefineCursor(dpy, lock->win, invisible); + + resizerectangles(lock); + + /* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */ + for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) { + if (ptgrab != GrabSuccess) { + ptgrab = XGrabPointer(dpy, lock->root, False, + ButtonPressMask | ButtonReleaseMask | + PointerMotionMask, GrabModeAsync, + GrabModeAsync, None, invisible, CurrentTime); + } + if (kbgrab != GrabSuccess) { + kbgrab = XGrabKeyboard(dpy, lock->root, True, + GrabModeAsync, GrabModeAsync, CurrentTime); + } + + /* input is grabbed: we can lock the screen */ + if (ptgrab == GrabSuccess && kbgrab == GrabSuccess) { + XMapRaised(dpy, lock->win); + if (rr->active) + XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask); + + XSelectInput(dpy, lock->root, SubstructureNotifyMask); + drawlogo(dpy, lock, INIT); + return lock; + } + + /* retry on AlreadyGrabbed but fail on other errors */ + if ((ptgrab != AlreadyGrabbed && ptgrab != GrabSuccess) || + (kbgrab != AlreadyGrabbed && kbgrab != GrabSuccess)) + break; + + usleep(100000); + } + + /* we couldn't grab all input: fail out */ + if (ptgrab != GrabSuccess) + fprintf(stderr, "slock: unable to grab mouse pointer for screen %d\n", + screen); + if (kbgrab != GrabSuccess) + fprintf(stderr, "slock: unable to grab keyboard for screen %d\n", + screen); + return NULL; +} + +static void +usage(void) +{ + die("usage: slock [-v] [cmd [arg ...]]\n"); +} + +int +main(int argc, char **argv) { + struct xrandr rr; + struct lock **locks; + struct passwd *pwd; + struct group *grp; + uid_t duid; + gid_t dgid; + const char *hash; + Display *dpy; + int s, nlocks, nscreens; + CARD16 standby, suspend, off; + BOOL dpms_state; + + ARGBEGIN { + case 'v': + puts("slock-"VERSION); + return 0; + default: + usage(); + } ARGEND + + /* validate drop-user and -group */ + errno = 0; + if (!(pwd = getpwnam(user))) + die("slock: getpwnam %s: %s\n", user, + errno ? strerror(errno) : "user entry not found"); + duid = pwd->pw_uid; + errno = 0; + if (!(grp = getgrnam(group))) + die("slock: getgrnam %s: %s\n", group, + errno ? strerror(errno) : "group entry not found"); + dgid = grp->gr_gid; + +#ifdef __linux__ + dontkillme(); +#endif + + hash = gethash(); + errno = 0; + if (!crypt("", hash)) + die("slock: crypt: %s\n", strerror(errno)); + + if (!(dpy = XOpenDisplay(NULL))) + die("slock: cannot open display\n"); + + /* drop privileges */ + if (setgroups(0, NULL) < 0) + die("slock: setgroups: %s\n", strerror(errno)); + if (setgid(dgid) < 0) + die("slock: setgid: %s\n", strerror(errno)); + if (setuid(duid) < 0) + die("slock: setuid: %s\n", strerror(errno)); + + /*Create screenshot Image*/ + Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy)); + image = imlib_create_image(scr->width,scr->height); + imlib_context_set_image(image); + imlib_context_set_display(dpy); + imlib_context_set_visual(DefaultVisual(dpy,0)); + imlib_context_set_drawable(RootWindow(dpy,XScreenNumberOfScreen(scr))); + imlib_copy_drawable_to_image(0,0,0,scr->width,scr->height,0,0,1); + +#ifdef BLUR + + /*Blur function*/ + imlib_image_blur(blurRadius); +#endif // BLUR + +#ifdef PIXELATION + /*Pixelation*/ + int width = scr->width; + int height = scr->height; + + for(int y = 0; y < height; y += pixelSize) + { + for(int x = 0; x < width; x += pixelSize) + { + int red = 0; + int green = 0; + int blue = 0; + + Imlib_Color pixel; + Imlib_Color* pp; + pp = &pixel; + for(int j = 0; j < pixelSize && j < height; j++) + { + for(int i = 0; i < pixelSize && i < width; i++) + { + imlib_image_query_pixel(x+i,y+j,pp); + red += pixel.red; + green += pixel.green; + blue += pixel.blue; + } + } + red /= (pixelSize*pixelSize); + green /= (pixelSize*pixelSize); + blue /= (pixelSize*pixelSize); + imlib_context_set_color(red,green,blue,pixel.alpha); + imlib_image_fill_rectangle(x,y,pixelSize,pixelSize); + red = 0; + green = 0; + blue = 0; + } + } + + +#endif + /* check for Xrandr support */ + rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase); + + /* get number of screens in display "dpy" and blank them */ + nscreens = ScreenCount(dpy); + if (!(locks = calloc(nscreens, sizeof(struct lock *)))) + die("slock: out of memory\n"); + for (nlocks = 0, s = 0; s < nscreens; s++) { + if ((locks[s] = lockscreen(dpy, &rr, s)) != NULL) + nlocks++; + else + break; + } + XSync(dpy, 0); + + /* did we manage to lock everything? */ + if (nlocks != nscreens) + return 1; + + /* DPMS magic to disable the monitor */ + if (!DPMSCapable(dpy)) + die("slock: DPMSCapable failed\n"); + if (!DPMSInfo(dpy, &standby, &dpms_state)) + die("slock: DPMSInfo failed\n"); + if (!DPMSEnable(dpy) && !dpms_state) + die("slock: DPMSEnable failed\n"); + if (!DPMSGetTimeouts(dpy, &standby, &suspend, &off)) + die("slock: DPMSGetTimeouts failed\n"); + if (!standby || !suspend || !off) + die("slock: at least one DPMS variable is zero\n"); + if (!DPMSSetTimeouts(dpy, monitortime, monitortime, monitortime)) + die("slock: DPMSSetTimeouts failed\n"); + + XSync(dpy, 0); + + /* run post-lock command */ + if (argc > 0) { + pid_t pid; + extern char **environ; + int err = posix_spawnp(&pid, argv[0], NULL, NULL, argv, environ); + if (err) { + die("slock: failed to execute post-lock command: %s: %s\n", + argv[0], strerror(err)); + } + } + + /* everything is now blank. Wait for the correct password */ + readpw(dpy, &rr, locks, nscreens, hash); + + for (nlocks = 0, s = 0; s < nscreens; s++) { + XFreePixmap(dpy, locks[s]->drawable); + XFreeGC(dpy, locks[s]->gc); + } + + /* reset DPMS values to inital ones */ + DPMSSetTimeouts(dpy, standby, suspend, off); + if (!dpms_state) + DPMSDisable(dpy); + XSync(dpy, 0); + XCloseDisplay(dpy); + return 0; +} diff --git a/slock.c.rej b/slock.c.rej @@ -0,0 +1,19 @@ +--- slock.c ++++ slock.c +@@ -20,6 +21,7 @@ + #include <X11/Xlib.h> + #include <X11/Xutil.h> + #include <X11/XKBlib.h> ++#include <X11/Xresource.h> + + #include "arg.h" + #include "util.h" +@@ -429,6 +495,8 @@ main(int argc, char **argv) { + if (setuid(duid) < 0) + die("slock: setuid: %s\n", strerror(errno)); + ++ config_init(dpy); ++ + /* check for Xrandr support */ + rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase); +