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377 lines
8.5 KiB
377 lines
8.5 KiB
#include <signal.h>
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#include <time.h>
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#include <ctype.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <string.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include <X11/Xutil.h>
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#include <X11/Xft/Xft.h>
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#include "drw.h"
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#include "util.h"
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#include "pinentry/pinentry.h"
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#include "pinentry/memory.h"
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/* macros */
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#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
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* MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
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#define LENGTH(X) (sizeof X / sizeof X[0])
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#define TEXTNW(X,N) (drw_font_getexts_width(drw->fonts[0], (X), (N)))
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#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
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const char *str_OK = "OK\n";
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const char *str_ERRUNPARS = "ERR1337 dunno what to do with it\n";
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const char *str_ERRNOTIMP = "ERR4100 not implemented yet\n";
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/* enums */
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enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
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enum {WinPin, WinConfirm}; /* window modes */
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enum {Ok, NotOk, Cancel}; /* return status */
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static char text[2048] = "";
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static int bh, mw, mh;
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static int inputw, promptw;
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static size_t cursor = 0;
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static Atom clip, utf8;
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static Window win;
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static XIC xic;
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static int mon = -1;
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static ClrScheme scheme[SchemeLast];
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static Display *dpy;
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static int screen;
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static Window root;
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static Drw *drw;
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static int sw, sh;
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static int timed_out;
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static int confirmed;
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static int winmode;
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pinentry_t pinentry;
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#include "config.h"
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void
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grabkeyboard(void) {
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int i;
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/* try to grab keyboard, we may have to wait for another process to ungrab */
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for(i = 0; i < 1000; i++) {
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if(XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
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GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
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return;
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usleep(1000);
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}
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die("cannot grab keyboard\n");
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}
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size_t
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nextrune(int cursor, int inc) {
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ssize_t n;
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/* return location of next utf8 rune in the given direction (+1 or -1) */
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for(n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc);
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return n;
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}
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void
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insert(const char *str, ssize_t n) {
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if(strlen(text) + n > sizeof text - 1)
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return;
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/* move existing text out of the way, insert new text, and update cursor */
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memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
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if(n > 0)
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memcpy(&text[cursor], str, n);
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cursor += n;
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}
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void
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drawwin(void){
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int curpos;
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int x=0, y=0, h=bh, w;
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drw_setscheme(drw, &scheme[SchemeNorm]);
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drw_rect(drw, 0,0,mw,mh,True,1,1);
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if ((pinentry->description) && *(pinentry->description)) {
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drw_setscheme(drw, &scheme[SchemeSel]);
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drw_text(drw, 0,0,mw,bh,pinentry->description,0);
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y+=bh;
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}
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if ((pinentry->prompt) && *(pinentry->prompt)) {
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drw_setscheme(drw, &scheme[SchemeSel]);
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drw_text(drw, x, y, promptw, bh, pinentry->prompt, 0);
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x += promptw;
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}
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w = inputw;
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drw_setscheme(drw, &scheme[SchemeNorm]);
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char *sectext = malloc (sizeof (char) * 2048);
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sectext[0] = '\0';
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int i;
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int seccursor=0;
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for (i=0; text[i]!='\0'; i=nextrune(i, +1)){
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strcat(sectext, secchar);
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if (i<cursor){
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ssize_t n;
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for(n = seccursor + 1; n + 1 >= 0 && (sectext[n] & 0xc0) == 0x80; n ++);
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seccursor = n;
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}
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}
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if (winmode==WinPin) {
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drw_text(drw, x, y, mw, bh, sectext, 0);
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if((curpos = TEXTNW(sectext, seccursor) + bh/2 - 2) < w) {
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drw_rect(drw, x + curpos + 2, y + 2, 1 , bh-4 , True, 1, 0);
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}
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} else {
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drw_text(drw, x, y, mw, bh, "(y/n)", 0);
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}
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drw_map(drw, win, 0, 0, mw, mh);
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}
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void
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setup(void){
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int x,y;
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XSetWindowAttributes swa;
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XIM xim;
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scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
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scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
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scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
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scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
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clip = XInternAtom(dpy, "CLIPBOARD", False);
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utf8 = XInternAtom(dpy, "UTF8_STRING", False);
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bh = drw->fonts[0]->h + 2;
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mh = (pinentry->description && *(pinentry->description))? bh * 2 : bh;
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x = 0;
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y = topbar ? 0 : sh - mh;
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mw = sw;
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promptw = (pinentry->prompt && *(pinentry->prompt)) ? TEXTW(pinentry->prompt) : 0;
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inputw = mw-promptw;
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swa.override_redirect = True;
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swa.background_pixel = scheme[SchemeNorm].bg->pix;
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swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
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win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
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DefaultDepth(dpy, screen), CopyFromParent,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
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xim = XOpenIM(dpy, NULL, NULL, NULL);
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xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
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XNClientWindow, win, XNFocusWindow, win, NULL);
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XMapRaised(dpy, win);
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drw_resize(drw, mw, mh);
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drawwin();
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}
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void
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cleanup(void) {
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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drw_clr_free(scheme[SchemeNorm].bg);
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drw_clr_free(scheme[SchemeNorm].fg);
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drw_clr_free(scheme[SchemeSel].fg);
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drw_clr_free(scheme[SchemeSel].bg);
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drw_free(drw);
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XSync(dpy, False);
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XCloseDisplay(dpy);
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}
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int
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keypress(XKeyEvent *ev) {
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char buf[32];
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int len;
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KeySym ksym = NoSymbol;
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Status status;
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len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
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if (status == XBufferOverflow)
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return 0;
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if (winmode == WinConfirm){
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switch(ksym){
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case XK_KP_Enter:
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case XK_Return:
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case XK_y:
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confirmed = 1;
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return 1;
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break;
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case XK_n:
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confirmed = 0;
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return 1;
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break;
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case XK_Escape:
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pinentry->canceled = 1;
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confirmed = 0;
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return 1;
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break;
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}
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} else {
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switch(ksym){
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default:
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if (!iscntrl(*buf))
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insert(buf, len);
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break;
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case XK_Delete:
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if(text[cursor] == '\0')
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return 0;
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cursor = nextrune(cursor, +1);
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/* fallthrough */
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case XK_BackSpace:
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if(cursor == 0)
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return 0;
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insert(NULL, nextrune(cursor, -1) - cursor);
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break;
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case XK_Escape:
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pinentry->canceled = 1;
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return 1;
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/*cleanup();
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exit(1);*/
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break;
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case XK_Left:
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if(cursor > 0) {
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cursor = nextrune(cursor, -1);
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}
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break;
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case XK_Right:
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if(text[cursor]!='\0') {
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cursor = nextrune(cursor, +1);
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}
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break;
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case XK_Return:
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case XK_KP_Enter:
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return 1;
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break;
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}
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}
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drawwin();
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return 0;
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}
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void
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paste(void) {
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char *p, *q;
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int di;
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unsigned long dl;
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Atom da;
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/* we have been given the current selection, now insert it into input */
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XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
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utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
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insert(p, (q = strchr(p, '\n')) ? q-p : (ssize_t)strlen(p));
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XFree(p);
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drawwin();
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}
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void
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run(void) {
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XEvent ev;
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while(!XNextEvent(dpy, &ev)) {
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if(XFilterEvent(&ev, win))
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continue; /*what is this I don't even*/
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switch(ev.type) {
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case Expose:
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if(ev.xexpose.count == 0)
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drw_map(drw, win, 0, 0, mw, mh);
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break;
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case KeyPress:
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if (keypress(&ev.xkey)) return;
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break;
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case SelectionNotify:
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if(ev.xselection.property == utf8)
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paste();
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break;
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case VisibilityNotify:
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if(ev.xvisibility.state != VisibilityUnobscured)
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XRaiseWindow(dpy, win);
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break;
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}
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}
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}
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void
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promptwin(void) {
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if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
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fputs("warning: no locale support\n", stderr);
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if(!(dpy = XOpenDisplay(pinentry->display))) /*NULL was here*/
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die("dmenu: cannot open display\n");
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screen = DefaultScreen(dpy);
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root = RootWindow(dpy, screen);
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sw = DisplayWidth(dpy, screen);
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sh = DisplayHeight(dpy, screen);
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drw = drw_create(dpy, screen, root, sw, sh);
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drw_load_fonts(drw, fonts, LENGTH(fonts));
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if(!drw->fontcount)
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die("No fonts could be loaded.\n");
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drw_setscheme(drw, &scheme[SchemeNorm]);
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grabkeyboard();
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setup();
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run();
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cleanup();
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}
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static void
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catchsig(int sig)
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{
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if (sig == SIGALRM)
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timed_out = 1;
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}
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static int
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password (void) {
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winmode = WinPin;
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promptwin();
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if (pinentry->canceled) return -1;
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char *buf = secmem_malloc(strlen(text));
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strcpy(buf, text);
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pinentry_setbuffer_use (pinentry, buf, 0);
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return 1;
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}
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static int
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confirm(void) {
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winmode = WinConfirm;
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confirmed = 0;
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promptwin();
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return confirmed;
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}
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int
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spinecmdhandler (pinentry_t recieved_pinentry) {
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pinentry = recieved_pinentry;
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if (pinentry->timeout){
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = catchsig;
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sigaction(SIGALRM, &sa, NULL);
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alarm(pinentry->timeout);
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}
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if (pinentry->pin)
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return password();
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else
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return confirm();
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return -1;
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}
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pinentry_cmd_handler_t pinentry_cmd_handler = spinecmdhandler;
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int
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main(int argc, char *argv[]){
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pinentry_init("spine");
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pinentry_parse_opts(argc, argv);
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if (pinentry_loop())
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return 1;
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return 0;
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} |