surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <sys/file.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8 #include <glib.h>
   9 #include <libgen.h>
  10 #include <limits.h>
  11 #include <pwd.h>
  12 #include <regex.h>
  13 #include <signal.h>
  14 #include <stdarg.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include <unistd.h>
  19
  20 #include <gdk/gdk.h>
  21 #include <gdk/gdkkeysyms.h>
  22 #include <gdk/gdkx.h>
  23 #include <glib/gstdio.h>
  24 #include <gtk/gtk.h>
  25 #include <gtk/gtkx.h>
  26 #include <gcr/gcr.h>
  27 #include <JavaScriptCore/JavaScript.h>
  28 #include <webkit2/webkit2.h>
  29 #include <X11/X.h>
  30 #include <X11/Xatom.h>
  31
  32 #include "arg.h"
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36 #define SETB(p, s)              [p] = { { .b = s }, }
  37 #define SETI(p, s)              [p] = { { .i = s }, }
  38 #define SETV(p, s)              [p] = { { .v = s }, }
  39 #define SETF(p, s)              [p] = { { .f = s }, }
  40 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  41 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  42 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  43 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  44 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  45 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  46 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  47 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  48
  49 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  50
  51 enum {
  52         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  53         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  54         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  55         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  56         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  57         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  58         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  59         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  60 };
  61
  62 typedef enum {
  63         AcceleratedCanvas,
  64         AccessMicrophone,
  65         AccessWebcam,
  66         CaretBrowsing,
  67         Certificate,
  68         CookiePolicies,
  69         DiskCache,
  70         DefaultCharset,
  71         DNSPrefetch,
  72         FileURLsCrossAccess,
  73         FontSize,
  74         FrameFlattening,
  75         Geolocation,
  76         HideBackground,
  77         Inspector,
  78         Java,
  79         JavaScript,
  80         KioskMode,
  81         LoadImages,
  82         MediaManualPlay,
  83         Plugins,
  84         PreferredLanguages,
  85         RunInFullscreen,
  86         ScrollBars,
  87         ShowIndicators,
  88         SiteQuirks,
  89         SmoothScrolling,
  90         SpellChecking,
  91         SpellLanguages,
  92         StrictTLS,
  93         Style,
  94         ZoomLevel,
  95         ParameterLast,
  96 } ParamName;
  97
  98 typedef union {
  99         int b;
 100         int i;
 101         float f;
 102         const void *v;
 103 } Arg;
 104
 105 typedef struct {
 106         Arg val;
 107         int force;
 108 } Parameter;
 109
 110 typedef struct Client {
 111         GtkWidget *win;
 112         WebKitWebView *view;
 113         WebKitWebInspector *inspector;
 114         WebKitFindController *finder;
 115         WebKitHitTestResult *mousepos;
 116         GTlsCertificate *cert, *failedcert;
 117         GTlsCertificateFlags tlserr;
 118         Window xid;
 119         int progress, fullscreen, https, insecure, errorpage;
 120         const char *title, *overtitle, *targeturi;
 121         const char *needle;
 122         struct Client *next;
 123 } Client;
 124
 125 typedef struct {
 126         guint mod;
 127         guint keyval;
 128         void (*func)(Client *c, const Arg *a);
 129         const Arg arg;
 130 } Key;
 131
 132 typedef struct {
 133         unsigned int target;
 134         unsigned int mask;
 135         guint button;
 136         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 137         const Arg arg;
 138         unsigned int stopevent;
 139 } Button;
 140
 141 typedef struct {
 142         const char *uri;
 143         Parameter config[ParameterLast];
 144         regex_t re;
 145 } UriParameters;
 146
 147 typedef struct {
 148         char *regex;
 149         char *file;
 150         regex_t re;
 151 } SiteSpecific;
 152
 153 /* Surf */
 154 static void usage(void);
 155 static void die(const char *errstr, ...);
 156 static void setup(void);
 157 static void sigchld(int unused);
 158 static void sighup(int unused);
 159 static char *buildfile(const char *path);
 160 static char *buildpath(const char *path);
 161 static const char *getuserhomedir(const char *user);
 162 static const char *getcurrentuserhomedir(void);
 163 static Client *newclient(Client *c);
 164 static void loaduri(Client *c, const Arg *a);
 165 static const char *geturi(Client *c);
 166 static void setatom(Client *c, int a, const char *v);
 167 static const char *getatom(Client *c, int a);
 168 static void updatetitle(Client *c);
 169 static void gettogglestats(Client *c);
 170 static void getpagestats(Client *c);
 171 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 172 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 173 static void seturiparameters(Client *c, const char *uri);
 174 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 175 static const char *getcert(const char *uri);
 176 static void setcert(Client *c, const char *file);
 177 static const char *getstyle(const char *uri);
 178 static void setstyle(Client *c, const char *file);
 179 static void runscript(Client *c);
 180 static void evalscript(Client *c, const char *jsstr, ...);
 181 static void updatewinid(Client *c);
 182 static void handleplumb(Client *c, const char *uri);
 183 static void newwindow(Client *c, const Arg *a, int noembed);
 184 static void spawn(Client *c, const Arg *a);
 185 static void destroyclient(Client *c);
 186 static void cleanup(void);
 187
 188 /* GTK/WebKit */
 189 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 190 static void initwebextensions(WebKitWebContext *wc, Client *c);
 191 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 192                              Client *c);
 193 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 194 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 195                                 gpointer d);
 196 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 197 static void showview(WebKitWebView *v, Client *c);
 198 static GtkWidget *createwindow(Client *c);
 199 static gboolean loadfailedtls(WebKitWebView *v, gchar *uri,
 200                               GTlsCertificate *cert,
 201                               GTlsCertificateFlags err, Client *c);
 202 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 203 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 204 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 205 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 206                                guint modifiers, Client *c);
 207 static gboolean permissionrequested(WebKitWebView *v,
 208                                     WebKitPermissionRequest *r, Client *c);
 209 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 210                              WebKitPolicyDecisionType dt, Client *c);
 211 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 212 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 213 static void decideresource(WebKitPolicyDecision *d, Client *c);
 214 static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
 215                             Client *c);
 216 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 217                             Client *c);
 218 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 219 static void download(Client *c, WebKitURIResponse *r);
 220 static void closeview(WebKitWebView *v, Client *c);
 221 static void destroywin(GtkWidget* w, Client *c);
 222
 223 /* Hotkeys */
 224 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 225 static void reload(Client *c, const Arg *a);
 226 static void print(Client *c, const Arg *a);
 227 static void showcert(Client *c, const Arg *a);
 228 static void clipboard(Client *c, const Arg *a);
 229 static void zoom(Client *c, const Arg *a);
 230 static void scroll(Client *c, const Arg *a);
 231 static void navigate(Client *c, const Arg *a);
 232 static void stop(Client *c, const Arg *a);
 233 static void toggle(Client *c, const Arg *a);
 234 static void togglefullscreen(Client *c, const Arg *a);
 235 static void togglecookiepolicy(Client *c, const Arg *a);
 236 static void toggleinspector(Client *c, const Arg *a);
 237 static void find(Client *c, const Arg *a);
 238
 239 /* Buttons */
 240 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 241 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 242 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 243
 244 static char winid[64];
 245 static char togglestats[12];
 246 static char pagestats[2];
 247 static Atom atoms[AtomLast];
 248 static Window embed;
 249 static int showxid;
 250 static int cookiepolicy;
 251 static Display *dpy;
 252 static Client *clients;
 253 static GdkDevice *gdkkb;
 254 static char *stylefile;
 255 static const char *useragent;
 256 static Parameter *curconfig;
 257 char *argv0;
 258
 259 /* configuration, allows nested code to access above variables */
 260 #include "config.h"
 261
 262 void
 263 usage(void)
 264 {
 265         die("usage: surf [-bBdDfFgGiIkKmMnNpPsStTvwxX]\n"
 266             "[-a cookiepolicies ] [-c cookiefile] [-C stylefile] [-e xid]\n"
 267             "[-r scriptfile] [-u useragent] [-z zoomlevel] [uri]\n");
 268 }
 269
 270 void
 271 die(const char *errstr, ...)
 272 {
 273         va_list ap;
 274
 275         va_start(ap, errstr);
 276         vfprintf(stderr, errstr, ap);
 277         va_end(ap);
 278         exit(1);
 279 }
 280
 281 void
 282 setup(void)
 283 {
 284         GdkDisplay *gdpy;
 285         int i, j;
 286
 287         /* clean up any zombies immediately */
 288         sigchld(0);
 289         if (signal(SIGHUP, sighup) == SIG_ERR)
 290                 die("Can't install SIGHUP handler");
 291
 292         if (!(dpy = XOpenDisplay(NULL)))
 293                 die("Can't open default display");
 294
 295         /* atoms */
 296         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 297         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 298         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 299
 300         gtk_init(NULL, NULL);
 301
 302         gdpy = gdk_display_get_default();
 303
 304         curconfig = defconfig;
 305
 306         /* dirs and files */
 307         cookiefile = buildfile(cookiefile);
 308         scriptfile = buildfile(scriptfile);
 309         cachedir   = buildpath(cachedir);
 310         certdir    = buildpath(certdir);
 311
 312         gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
 313
 314         for (i = 0; i < LENGTH(certs); ++i) {
 315                 if (!regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
 316                         certs[i].file = g_strconcat(certdir, "/", certs[i].file,
 317                                                     NULL);
 318                 } else {
 319                         fprintf(stderr, "Could not compile regex: %s\n",
 320                                 certs[i].regex);
 321                         certs[i].regex = NULL;
 322                 }
 323         }
 324
 325         if (!stylefile) {
 326                 styledir = buildpath(styledir);
 327                 for (i = 0; i < LENGTH(styles); ++i) {
 328                         if (!regcomp(&(styles[i].re), styles[i].regex,
 329                             REG_EXTENDED)) {
 330                                 styles[i].file = g_strconcat(styledir, "/",
 331                                                     styles[i].file, NULL);
 332                         } else {
 333                                 fprintf(stderr, "Could not compile regex: %s\n",
 334                                         styles[i].regex);
 335                                 styles[i].regex = NULL;
 336                         }
 337                 }
 338                 g_free(styledir);
 339         } else {
 340                 stylefile = buildfile(stylefile);
 341         }
 342
 343         for (i = 0; i < LENGTH(uriparams); ++i) {
 344                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 345                     REG_EXTENDED)) {
 346                         /* copy default parameters if they are not already set
 347                          * or if they are forced */
 348                         for (j = 0; j < ParameterLast; ++j) {
 349                                 if (!uriparams[i].config[j].force ||
 350                                     defconfig[j].force)
 351                                         uriparams[i].config[j] = defconfig[j];
 352                         }
 353                 } else {
 354                         fprintf(stderr, "Could not compile regex: %s\n",
 355                                 uriparams[i].uri);
 356                         uriparams[i].uri = NULL;
 357                 }
 358         }
 359 }
 360
 361 void
 362 sigchld(int unused)
 363 {
 364         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 365                 die("Can't install SIGCHLD handler");
 366         while (waitpid(-1, NULL, WNOHANG) > 0)
 367                 ;
 368 }
 369
 370 void
 371 sighup(int unused)
 372 {
 373         Arg a = { .b = 0 };
 374         Client *c;
 375
 376         for (c = clients; c; c = c->next)
 377                 reload(c, &a);
 378 }
 379
 380 char *
 381 buildfile(const char *path)
 382 {
 383         char *dname, *bname, *bpath, *fpath;
 384         FILE *f;
 385
 386         dname = g_path_get_dirname(path);
 387         bname = g_path_get_basename(path);
 388
 389         bpath = buildpath(dname);
 390         g_free(dname);
 391
 392         fpath = g_build_filename(bpath, bname, NULL);
 393         g_free(bpath);
 394         g_free(bname);
 395
 396         if (!(f = fopen(fpath, "a")))
 397                 die("Could not open file: %s\n", fpath);
 398
 399         g_chmod(fpath, 0600); /* always */
 400         fclose(f);
 401
 402         return fpath;
 403 }
 404
 405 static const char*
 406 getuserhomedir(const char *user)
 407 {
 408         struct passwd *pw = getpwnam(user);
 409
 410         if (!pw)
 411                 die("Can't get user %s login information.\n", user);
 412
 413         return pw->pw_dir;
 414 }
 415
 416 static const char*
 417 getcurrentuserhomedir(void)
 418 {
 419         const char *homedir;
 420         const char *user;
 421         struct passwd *pw;
 422
 423         homedir = getenv("HOME");
 424         if (homedir)
 425                 return homedir;
 426
 427         user = getenv("USER");
 428         if (user)
 429                 return getuserhomedir(user);
 430
 431         pw = getpwuid(getuid());
 432         if (!pw)
 433                 die("Can't get current user home directory\n");
 434
 435         return pw->pw_dir;
 436 }
 437
 438 char *
 439 buildpath(const char *path)
 440 {
 441         char *apath, *name, *p, *fpath;
 442         const char *homedir;
 443
 444         if (path[0] == '~') {
 445                 if (path[1] == '/' || path[1] == '\0') {
 446                         p = (char *)&path[1];
 447                         homedir = getcurrentuserhomedir();
 448                 } else {
 449                         if ((p = strchr(path, '/')))
 450                                 name = g_strndup(&path[1], --p - path);
 451                         else
 452                                 name = g_strdup(&path[1]);
 453
 454                         homedir = getuserhomedir(name);
 455                         g_free(name);
 456                 }
 457                 apath = g_build_filename(homedir, p, NULL);
 458         } else {
 459                 apath = g_strdup(path);
 460         }
 461
 462         /* creating directory */
 463         if (g_mkdir_with_parents(apath, 0700) < 0)
 464                 die("Could not access directory: %s\n", apath);
 465
 466         fpath = realpath(apath, NULL);
 467         g_free(apath);
 468
 469         return fpath;
 470 }
 471
 472 Client *
 473 newclient(Client *rc)
 474 {
 475         Client *c;
 476
 477         if (!(c = calloc(1, sizeof(Client))))
 478                 die("Cannot malloc!\n");
 479
 480         c->next = clients;
 481         clients = c;
 482
 483         c->progress = 100;
 484         c->view = newview(c, rc ? rc->view : NULL);
 485
 486         return c;
 487 }
 488
 489 void
 490 loaduri(Client *c, const Arg *a)
 491 {
 492         struct stat st;
 493         char *url, *path;
 494         const char *uri = a->v;
 495
 496         if (g_strcmp0(uri, "") == 0)
 497                 return;
 498
 499         if (g_str_has_prefix(uri, "http://")  ||
 500             g_str_has_prefix(uri, "https://") ||
 501             g_str_has_prefix(uri, "file://")  ||
 502             g_str_has_prefix(uri, "about:")) {
 503                 url = g_strdup(uri);
 504         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 505                 url = g_strdup_printf("file://%s", path);
 506                 free(path);
 507         } else {
 508                 url = g_strdup_printf("http://%s", uri);
 509         }
 510
 511         setatom(c, AtomUri, url);
 512
 513         if (strcmp(url, geturi(c)) == 0) {
 514                 reload(c, a);
 515         } else {
 516                 webkit_web_view_load_uri(c->view, url);
 517                 updatetitle(c);
 518         }
 519
 520         g_free(url);
 521 }
 522
 523 const char *
 524 geturi(Client *c)
 525 {
 526         const char *uri;
 527
 528         if (!(uri = webkit_web_view_get_uri(c->view)))
 529                 uri = "about:blank";
 530         return uri;
 531 }
 532
 533 void
 534 setatom(Client *c, int a, const char *v)
 535 {
 536         XChangeProperty(dpy, c->xid,
 537                         atoms[a], XA_STRING, 8, PropModeReplace,
 538                         (unsigned char *)v, strlen(v) + 1);
 539         XSync(dpy, False);
 540 }
 541
 542 const char *
 543 getatom(Client *c, int a)
 544 {
 545         static char buf[BUFSIZ];
 546         Atom adummy;
 547         int idummy;
 548         unsigned long ldummy;
 549         unsigned char *p = NULL;
 550
 551         XSync(dpy, False);
 552         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 553                            &adummy, &idummy, &ldummy, &ldummy, &p);
 554         if (p)
 555                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 556         else
 557                 buf[0] = '\0';
 558         XFree(p);
 559
 560         return buf;
 561 }
 562
 563 void
 564 updatetitle(Client *c)
 565 {
 566         char *title;
 567         const char *name = c->overtitle ? c->overtitle :
 568                            c->title ? c->title : "";
 569
 570         if (curconfig[ShowIndicators].val.b) {
 571                 gettogglestats(c);
 572                 getpagestats(c);
 573
 574                 if (c->progress != 100)
 575                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 576                                 c->progress, togglestats, pagestats, name);
 577                 else
 578                         title = g_strdup_printf("%s:%s | %s",
 579                                 togglestats, pagestats, name);
 580
 581                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 582                 g_free(title);
 583         } else {
 584                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 585         }
 586 }
 587
 588 void
 589 gettogglestats(Client *c)
 590 {
 591         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 592         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 593         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 594         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 595         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 596         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 597         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 598         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 599         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 600         togglestats[9] = curconfig[Certificate].val.b ?     'X' : 'x';
 601         togglestats[10] = curconfig[StrictTLS].val.b ?      'T' : 't';
 602         togglestats[11] = '\0';
 603 }
 604
 605 void
 606 getpagestats(Client *c)
 607 {
 608         if (c->https)
 609                 pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
 610         else
 611                 pagestats[0] = '-';
 612         pagestats[1] = '\0';
 613 }
 614
 615 WebKitCookieAcceptPolicy
 616 cookiepolicy_get(void)
 617 {
 618         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 619         case 'a':
 620                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 621         case '@':
 622                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 623         default: /* fallthrough */
 624         case 'A':
 625                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 626         }
 627 }
 628
 629 char
 630 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 631 {
 632         switch (p) {
 633         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 634                 return 'a';
 635         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 636                 return '@';
 637         default: /* fallthrough */
 638         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 639                 return 'A';
 640         }
 641 }
 642
 643 void
 644 seturiparameters(Client *c, const char *uri)
 645 {
 646         Parameter *newconfig = NULL;
 647         int i;
 648
 649         for (i = 0; i < LENGTH(uriparams); ++i) {
 650                 if (uriparams[i].uri &&
 651                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 652                         newconfig = uriparams[i].config;
 653                         break;
 654                 }
 655         }
 656
 657         if (!newconfig)
 658                 newconfig = defconfig;
 659         if (newconfig == curconfig)
 660                 return;
 661
 662         for (i = 0; i < ParameterLast; ++i) {
 663                 if (defconfig[i].force)
 664                         continue;
 665                 if (newconfig[i].force)
 666                         setparameter(c, 0, i, &newconfig[i].val);
 667                 else if (curconfig[i].force)
 668                         setparameter(c, 0, i, &defconfig[i].val);
 669         }
 670
 671         curconfig = newconfig;
 672 }
 673
 674 void
 675 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 676 {
 677         GdkRGBA bgcolor = { 0 };
 678         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 679
 680         switch (p) {
 681         case AcceleratedCanvas:
 682                 webkit_settings_set_enable_accelerated_2d_canvas(s, a->b);
 683                 break;
 684         case AccessMicrophone:
 685                 return; /* do nothing */
 686         case AccessWebcam:
 687                 return; /* do nothing */
 688         case CaretBrowsing:
 689                 webkit_settings_set_enable_caret_browsing(s, a->b);
 690                 refresh = 0;
 691                 break;
 692         case Certificate:
 693                 if (a->b)
 694                         setcert(c, geturi(c));
 695                 return; /* do not update */
 696         case CookiePolicies:
 697                 webkit_cookie_manager_set_accept_policy(
 698                     webkit_web_context_get_cookie_manager(
 699                     webkit_web_view_get_context(c->view)),
 700                     cookiepolicy_get());
 701                 refresh = 0;
 702                 break;
 703         case DiskCache:
 704                 webkit_web_context_set_cache_model(
 705                     webkit_web_view_get_context(c->view), a->b ?
 706                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 707                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 708                 return; /* do not update */
 709         case DefaultCharset:
 710                 webkit_settings_set_default_charset(s, a->v);
 711                 return; /* do not update */
 712         case DNSPrefetch:
 713                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 714                 return; /* do not update */
 715         case FileURLsCrossAccess:
 716                 webkit_settings_set_allow_file_access_from_file_urls(s, a->b);
 717                 webkit_settings_set_allow_universal_access_from_file_urls(s, a->b);
 718                 return; /* do not update */
 719         case FontSize:
 720                 webkit_settings_set_default_font_size(s, a->i);
 721                 return; /* do not update */
 722         case FrameFlattening:
 723                 webkit_settings_set_enable_frame_flattening(s, a->b);
 724                 break;
 725         case Geolocation:
 726                 refresh = 0;
 727                 break;
 728         case HideBackground:
 729                 if (a->b)
 730                         webkit_web_view_set_background_color(c->view, &bgcolor);
 731                 return; /* do not update */
 732         case Inspector:
 733                 webkit_settings_set_enable_developer_extras(s, a->b);
 734                 return; /* do not update */
 735         case Java:
 736                 webkit_settings_set_enable_java(s, a->b);
 737                 return; /* do not update */
 738         case JavaScript:
 739                 webkit_settings_set_enable_javascript(s, a->b);
 740                 break;
 741         case KioskMode:
 742                 return; /* do nothing */
 743         case LoadImages:
 744                 webkit_settings_set_auto_load_images(s, a->b);
 745                 break;
 746         case MediaManualPlay:
 747                 webkit_settings_set_media_playback_requires_user_gesture(s, a->b);
 748                 break;
 749         case Plugins:
 750                 webkit_settings_set_enable_plugins(s, a->b);
 751                 break;
 752         case PreferredLanguages:
 753                 return; /* do nothing */
 754         case RunInFullscreen:
 755                 return; /* do nothing */
 756         case ScrollBars:
 757                 /* Disabled until we write some WebKitWebExtension for
 758                  * manipulating the DOM directly.
 759                 enablescrollbars = !enablescrollbars;
 760                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 761                     enablescrollbars ? "auto" : "hidden");
 762                 */
 763                 return; /* do not update */
 764         case ShowIndicators:
 765                 break;
 766         case SmoothScrolling:
 767                 webkit_settings_set_enable_smooth_scrolling(s, a->b);
 768                 return; /* do not update */
 769         case SiteQuirks:
 770                 webkit_settings_set_enable_site_specific_quirks(s, a->b);
 771                 break;
 772         case SpellChecking:
 773                 webkit_web_context_set_spell_checking_enabled(
 774                     webkit_web_view_get_context(c->view), a->b);
 775                 return; /* do not update */
 776         case SpellLanguages:
 777                 return; /* do nothing */
 778         case StrictTLS:
 779                 webkit_web_context_set_tls_errors_policy(
 780                     webkit_web_view_get_context(c->view), a->b ?
 781                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 782                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 783                 break;
 784         case Style:
 785                 webkit_user_content_manager_remove_all_style_sheets(
 786                     webkit_web_view_get_user_content_manager(c->view));
 787                 if (a->b)
 788                         setstyle(c, getstyle(geturi(c)));
 789                 refresh = 0;
 790                 break;
 791         case ZoomLevel:
 792                 webkit_web_view_set_zoom_level(c->view, a->f);
 793                 return; /* do not update */
 794         default:
 795                 return; /* do nothing */
 796         }
 797
 798         updatetitle(c);
 799         if (refresh)
 800                 reload(c, a);
 801 }
 802
 803 const char *
 804 getcert(const char *uri)
 805 {
 806         int i;
 807
 808         for (i = 0; i < LENGTH(certs); ++i) {
 809                 if (certs[i].regex &&
 810                     !regexec(&(certs[i].re), uri, 0, NULL, 0))
 811                         return certs[i].file;
 812         }
 813
 814         return NULL;
 815 }
 816
 817 void
 818 setcert(Client *c, const char *uri)
 819 {
 820         const char *file = getcert(uri);
 821         char *host;
 822         GTlsCertificate *cert;
 823
 824         if (!file)
 825                 return;
 826
 827         if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
 828                 fprintf(stderr, "Could not read certificate file: %s\n", file);
 829                 return;
 830         }
 831
 832         if ((uri = strstr(uri, "https://"))) {
 833                 uri += sizeof("https://") - 1;
 834                 host = g_strndup(uri, strchr(uri, '/') - uri);
 835                 webkit_web_context_allow_tls_certificate_for_host(
 836                     webkit_web_view_get_context(c->view), cert, host);
 837                 g_free(host);
 838         }
 839
 840         g_object_unref(cert);
 841
 842 }
 843
 844 const char *
 845 getstyle(const char *uri)
 846 {
 847         int i;
 848
 849         if (stylefile)
 850                 return stylefile;
 851
 852         for (i = 0; i < LENGTH(styles); ++i) {
 853                 if (styles[i].regex &&
 854                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 855                         return styles[i].file;
 856         }
 857
 858         return "";
 859 }
 860
 861 void
 862 setstyle(Client *c, const char *file)
 863 {
 864         gchar *style;
 865
 866         if (!g_file_get_contents(file, &style, NULL, NULL)) {
 867                 fprintf(stderr, "Could not read style file: %s\n", file);
 868                 return;
 869         }
 870
 871         webkit_user_content_manager_add_style_sheet(
 872             webkit_web_view_get_user_content_manager(c->view),
 873             webkit_user_style_sheet_new(style,
 874             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 875             WEBKIT_USER_STYLE_LEVEL_USER,
 876             NULL, NULL));
 877
 878         g_free(style);
 879 }
 880
 881 void
 882 runscript(Client *c)
 883 {
 884         gchar *script;
 885         gsize l;
 886
 887         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 888                 evalscript(c, script);
 889         g_free(script);
 890 }
 891
 892 void
 893 evalscript(Client *c, const char *jsstr, ...)
 894 {
 895         va_list ap;
 896         gchar *script;
 897
 898         va_start(ap, jsstr);
 899         script = g_strdup_vprintf(jsstr, ap);
 900         va_end(ap);
 901
 902         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 903         g_free(script);
 904 }
 905
 906 void
 907 updatewinid(Client *c)
 908 {
 909         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 910 }
 911
 912 void
 913 handleplumb(Client *c, const char *uri)
 914 {
 915         Arg a = (Arg)PLUMB(uri);
 916         spawn(c, &a);
 917 }
 918
 919 void
 920 newwindow(Client *c, const Arg *a, int noembed)
 921 {
 922         int i = 0;
 923         char tmp[64];
 924         const char *cmd[29], *uri;
 925         const Arg arg = { .v = cmd };
 926
 927         cmd[i++] = argv0;
 928         cmd[i++] = "-a";
 929         cmd[i++] = curconfig[CookiePolicies].val.v;
 930         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 931         if (cookiefile && g_strcmp0(cookiefile, "")) {
 932                 cmd[i++] = "-c";
 933                 cmd[i++] = cookiefile;
 934         }
 935         if (stylefile && g_strcmp0(stylefile, "")) {
 936                 cmd[i++] = "-C";
 937                 cmd[i++] = stylefile;
 938         }
 939         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 940         if (embed && !noembed) {
 941                 cmd[i++] = "-e";
 942                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 943                 cmd[i++] = tmp;
 944         }
 945         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 946         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 947         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 948         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 949         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 950         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 951         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 952         if (scriptfile && g_strcmp0(scriptfile, "")) {
 953                 cmd[i++] = "-r";
 954                 cmd[i++] = scriptfile;
 955         }
 956         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 957         cmd[i++] = curconfig[StrictTLS].val.b ? "-T" : "-t";
 958         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 959                 cmd[i++] = "-u";
 960                 cmd[i++] = fulluseragent;
 961         }
 962         if (showxid)
 963                 cmd[i++] = "-w";
 964         cmd[i++] = curconfig[Certificate].val.b ? "-X" : "-x" ;
 965         /* do not keep zoom level */
 966         cmd[i++] = "--";
 967         if ((uri = a->v))
 968                 cmd[i++] = uri;
 969         cmd[i] = NULL;
 970
 971         spawn(c, &arg);
 972 }
 973
 974 void
 975 spawn(Client *c, const Arg *a)
 976 {
 977         if (fork() == 0) {
 978                 if (dpy)
 979                         close(ConnectionNumber(dpy));
 980                 setsid();
 981                 execvp(((char **)a->v)[0], (char **)a->v);
 982                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 983                 perror(" failed");
 984                 exit(1);
 985         }
 986 }
 987
 988 void
 989 destroyclient(Client *c)
 990 {
 991         Client *p;
 992
 993         webkit_web_view_stop_loading(c->view);
 994         /* Not needed, has already been called
 995         gtk_widget_destroy(c->win);
 996          */
 997
 998         for (p = clients; p && p->next != c; p = p->next)
 999                 ;
1000         if (p)
1001                 p->next = c->next;
1002         else
1003                 clients = c->next;
1004         free(c);
1005 }
1006
1007 void
1008 cleanup(void)
1009 {
1010         while (clients)
1011                 destroyclient(clients);
1012         g_free(cookiefile);
1013         g_free(scriptfile);
1014         g_free(stylefile);
1015         g_free(cachedir);
1016         XCloseDisplay(dpy);
1017 }
1018
1019 WebKitWebView *
1020 newview(Client *c, WebKitWebView *rv)
1021 {
1022         WebKitWebView *v;
1023         WebKitSettings *settings;
1024         WebKitUserContentManager *contentmanager;
1025         WebKitWebContext *context;
1026
1027         /* Webview */
1028         if (rv) {
1029                 v = WEBKIT_WEB_VIEW(
1030                     webkit_web_view_new_with_related_view(rv));
1031         } else {
1032                 settings = webkit_settings_new_with_settings(
1033                    "allow-file-access-from-file-urls", curconfig[FileURLsCrossAccess].val.b,
1034                    "allow-universal-access-from-file-urls", curconfig[FileURLsCrossAccess].val.b,
1035                    "auto-load-images", curconfig[LoadImages].val.b,
1036                    "default-charset", curconfig[DefaultCharset].val.v,
1037                    "default-font-size", curconfig[FontSize].val.i,
1038                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
1039                    "enable-developer-extras", curconfig[Inspector].val.b,
1040                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
1041                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
1042                    "enable-html5-database", curconfig[DiskCache].val.b,
1043                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
1044                    "enable-java", curconfig[Java].val.b,
1045                    "enable-javascript", curconfig[JavaScript].val.b,
1046                    "enable-plugins", curconfig[Plugins].val.b,
1047                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
1048                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
1049                    "enable-smooth-scrolling", curconfig[SmoothScrolling].val.b,
1050                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
1051                    NULL);
1052 /* For more interesting settings, have a look at
1053  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
1054
1055                 if (strcmp(fulluseragent, "")) {
1056                         webkit_settings_set_user_agent(settings, fulluseragent);
1057                 } else if (surfuseragent) {
1058                         webkit_settings_set_user_agent_with_application_details(
1059                             settings, "Surf", VERSION);
1060                 }
1061                 useragent = webkit_settings_get_user_agent(settings);
1062
1063                 contentmanager = webkit_user_content_manager_new();
1064
1065                 context = webkit_web_context_new_with_website_data_manager(
1066                           webkit_website_data_manager_new(
1067                           "base-cache-directory", cachedir,
1068                           "base-data-directory", cachedir,
1069                           NULL));
1070
1071                 /* rendering process model, can be a shared unique one
1072                  * or one for each view */
1073                 webkit_web_context_set_process_model(context,
1074                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1075                 /* TLS */
1076                 webkit_web_context_set_tls_errors_policy(context,
1077                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
1078                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
1079                 /* disk cache */
1080                 webkit_web_context_set_cache_model(context,
1081                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
1082                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
1083
1084                 /* Currently only works with text file to be compatible with curl */
1085                 webkit_cookie_manager_set_persistent_storage(
1086                     webkit_web_context_get_cookie_manager(context), cookiefile,
1087                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1088                 /* cookie policy */
1089                 webkit_cookie_manager_set_accept_policy(
1090                     webkit_web_context_get_cookie_manager(context),
1091                     cookiepolicy_get());
1092                 /* languages */
1093                 webkit_web_context_set_preferred_languages(context,
1094                     curconfig[PreferredLanguages].val.v);
1095                 webkit_web_context_set_spell_checking_languages(context,
1096                     curconfig[SpellLanguages].val.v);
1097                 webkit_web_context_set_spell_checking_enabled(context,
1098                     curconfig[SpellChecking].val.b);
1099
1100                 g_signal_connect(G_OBJECT(context), "download-started",
1101                                  G_CALLBACK(downloadstarted), c);
1102                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
1103                                  G_CALLBACK(initwebextensions), c);
1104
1105                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
1106                     "settings", settings,
1107                     "user-content-manager", contentmanager,
1108                     "web-context", context,
1109                     NULL);
1110         }
1111
1112         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1113                          G_CALLBACK(progresschanged), c);
1114         g_signal_connect(G_OBJECT(v), "notify::title",
1115                          G_CALLBACK(titlechanged), c);
1116         g_signal_connect(G_OBJECT(v), "button-release-event",
1117                          G_CALLBACK(buttonreleased), c);
1118         g_signal_connect(G_OBJECT(v), "close",
1119                         G_CALLBACK(closeview), c);
1120         g_signal_connect(G_OBJECT(v), "create",
1121                          G_CALLBACK(createview), c);
1122         g_signal_connect(G_OBJECT(v), "decide-policy",
1123                          G_CALLBACK(decidepolicy), c);
1124         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1125                          G_CALLBACK(insecurecontent), c);
1126         g_signal_connect(G_OBJECT(v), "load-failed-with-tls-errors",
1127                          G_CALLBACK(loadfailedtls), c);
1128         g_signal_connect(G_OBJECT(v), "load-changed",
1129                          G_CALLBACK(loadchanged), c);
1130         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1131                          G_CALLBACK(mousetargetchanged), c);
1132         g_signal_connect(G_OBJECT(v), "permission-request",
1133                          G_CALLBACK(permissionrequested), c);
1134         g_signal_connect(G_OBJECT(v), "ready-to-show",
1135                          G_CALLBACK(showview), c);
1136
1137         return v;
1138 }
1139
1140 void
1141 initwebextensions(WebKitWebContext *wc, Client *c)
1142 {
1143         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1144 }
1145
1146 GtkWidget *
1147 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1148 {
1149         Client *n;
1150
1151         switch (webkit_navigation_action_get_navigation_type(a)) {
1152         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1153                 /*
1154                  * popup windows of type “other” are almost always triggered
1155                  * by user gesture, so inverse the logic here
1156                  */
1157 /* instead of this, compare destination uri to mouse-over uri for validating window */
1158                 if (webkit_navigation_action_is_user_gesture(a))
1159                         return NULL;
1160         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1161         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1162         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1163         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1164         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1165                 n = newclient(c);
1166                 break;
1167         default:
1168                 return NULL;
1169         }
1170
1171         return GTK_WIDGET(n->view);
1172 }
1173
1174 gboolean
1175 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1176 {
1177         WebKitHitTestResultContext element;
1178         int i;
1179
1180         element = webkit_hit_test_result_get_context(c->mousepos);
1181
1182         for (i = 0; i < LENGTH(buttons); ++i) {
1183                 if (element & buttons[i].target &&
1184                     e->button.button == buttons[i].button &&
1185                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1186                     buttons[i].func) {
1187                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1188                         return buttons[i].stopevent;
1189                 }
1190         }
1191
1192         return FALSE;
1193 }
1194
1195 GdkFilterReturn
1196 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1197 {
1198         Client *c = (Client *)d;
1199         XPropertyEvent *ev;
1200         Arg a;
1201
1202         if (((XEvent *)e)->type == PropertyNotify) {
1203                 ev = &((XEvent *)e)->xproperty;
1204                 if (ev->state == PropertyNewValue) {
1205                         if (ev->atom == atoms[AtomFind]) {
1206                                 find(c, NULL);
1207
1208                                 return GDK_FILTER_REMOVE;
1209                         } else if (ev->atom == atoms[AtomGo]) {
1210                                 a.v = getatom(c, AtomGo);
1211                                 loaduri(c, &a);
1212
1213                                 return GDK_FILTER_REMOVE;
1214                         }
1215                 }
1216         }
1217         return GDK_FILTER_CONTINUE;
1218 }
1219
1220 gboolean
1221 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1222 {
1223         int i;
1224
1225         switch (e->type) {
1226         case GDK_ENTER_NOTIFY:
1227                 c->overtitle = c->targeturi;
1228                 updatetitle(c);
1229                 break;
1230         case GDK_KEY_PRESS:
1231                 if (!curconfig[KioskMode].val.b) {
1232                         for (i = 0; i < LENGTH(keys); ++i) {
1233                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1234                                     keys[i].keyval &&
1235                                     CLEANMASK(e->key.state) == keys[i].mod &&
1236                                     keys[i].func) {
1237                                         updatewinid(c);
1238                                         keys[i].func(c, &(keys[i].arg));
1239                                         return TRUE;
1240                                 }
1241                         }
1242                 }
1243         case GDK_LEAVE_NOTIFY:
1244                 c->overtitle = NULL;
1245                 updatetitle(c);
1246                 break;
1247         case GDK_WINDOW_STATE:
1248                 if (e->window_state.changed_mask ==
1249                     GDK_WINDOW_STATE_FULLSCREEN)
1250                         c->fullscreen = e->window_state.new_window_state &
1251                                         GDK_WINDOW_STATE_FULLSCREEN;
1252                 break;
1253         default:
1254                 break;
1255         }
1256
1257         return FALSE;
1258 }
1259
1260 void
1261 showview(WebKitWebView *v, Client *c)
1262 {
1263         GdkRGBA bgcolor = { 0 };
1264         GdkWindow *gwin;
1265
1266         c->finder = webkit_web_view_get_find_controller(c->view);
1267         c->inspector = webkit_web_view_get_inspector(c->view);
1268
1269         c->win = createwindow(c);
1270
1271         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1272         gtk_widget_show_all(c->win);
1273         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1274
1275         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1276         c->xid = gdk_x11_window_get_xid(gwin);
1277         updatewinid(c);
1278         if (showxid) {
1279                 gdk_display_sync(gtk_widget_get_display(c->win));
1280                 puts(winid);
1281         }
1282
1283         if (curconfig[HideBackground].val.b)
1284                 webkit_web_view_set_background_color(c->view, &bgcolor);
1285
1286         if (!curconfig[KioskMode].val.b) {
1287                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1288                 gdk_window_add_filter(gwin, processx, c);
1289         }
1290
1291         if (curconfig[RunInFullscreen].val.b)
1292                 togglefullscreen(c, NULL);
1293
1294         if (curconfig[ZoomLevel].val.f != 1.0)
1295                 webkit_web_view_set_zoom_level(c->view,
1296                                                curconfig[ZoomLevel].val.f);
1297
1298         setatom(c, AtomFind, "");
1299         setatom(c, AtomUri, "about:blank");
1300 }
1301
1302 GtkWidget *
1303 createwindow(Client *c)
1304 {
1305         char *wmstr;
1306         GtkWidget *w;
1307
1308         if (embed) {
1309                 w = gtk_plug_new(embed);
1310         } else {
1311                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1312
1313                 wmstr = g_path_get_basename(argv0);
1314                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1315                 g_free(wmstr);
1316
1317                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1318                         webkit_web_view_get_page_id(c->view));
1319                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1320                 g_free(wmstr);
1321
1322                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1323         }
1324
1325         g_signal_connect(G_OBJECT(w), "destroy",
1326                          G_CALLBACK(destroywin), c);
1327         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1328                          G_CALLBACK(winevent), c);
1329         g_signal_connect(G_OBJECT(w), "key-press-event",
1330                          G_CALLBACK(winevent), c);
1331         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1332                          G_CALLBACK(winevent), c);
1333         g_signal_connect(G_OBJECT(w), "window-state-event",
1334                          G_CALLBACK(winevent), c);
1335
1336         return w;
1337 }
1338
1339 gboolean
1340 loadfailedtls(WebKitWebView *v, gchar *uri, GTlsCertificate *cert,
1341               GTlsCertificateFlags err, Client *c)
1342 {
1343         GString *errmsg = g_string_new(NULL);
1344         gchar *html, *pem;
1345
1346         c->failedcert = g_object_ref(cert);
1347         c->tlserr = err;
1348         c->errorpage = 1;
1349
1350         if (err & G_TLS_CERTIFICATE_UNKNOWN_CA)
1351                 g_string_append(errmsg,
1352                     "The signing certificate authority is not known.<br>");
1353         if (err & G_TLS_CERTIFICATE_BAD_IDENTITY)
1354                 g_string_append(errmsg,
1355                     "The certificate does not match the expected identity "
1356                     "of the site that it was retrieved from.<br>");
1357         if (err & G_TLS_CERTIFICATE_NOT_ACTIVATED)
1358                 g_string_append(errmsg,
1359                     "The certificate's activation time "
1360                     "is still in the future.<br>");
1361         if (err & G_TLS_CERTIFICATE_EXPIRED)
1362                 g_string_append(errmsg, "The certificate has expired.<br>");
1363         if (err & G_TLS_CERTIFICATE_REVOKED)
1364                 g_string_append(errmsg,
1365                     "The certificate has been revoked according to "
1366                     "the GTlsConnection's certificate revocation list.<br>");
1367         if (err & G_TLS_CERTIFICATE_INSECURE)
1368                 g_string_append(errmsg,
1369                     "The certificate's algorithm is considered insecure.<br>");
1370         if (err & G_TLS_CERTIFICATE_GENERIC_ERROR)
1371                 g_string_append(errmsg,
1372                     "Some error occurred validating the certificate.<br>");
1373
1374         g_object_get(cert, "certificate-pem", &pem, NULL);
1375         html = g_strdup_printf("<p>Could not validate TLS for “%s”<br>%s</p>"
1376                                "<p>You can inspect the following certificate "
1377                                "with Ctrl-t (default keybinding).</p>"
1378                                "<p><pre>%s</pre></p>", uri, errmsg->str, pem);
1379         g_free(pem);
1380         g_string_free(errmsg, TRUE);
1381
1382         webkit_web_view_load_alternate_html(c->view, html, uri, NULL);
1383         g_free(html);
1384
1385         return TRUE;
1386 }
1387
1388 void
1389 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1390 {
1391         const char *uri = geturi(c);
1392
1393         switch (e) {
1394         case WEBKIT_LOAD_STARTED:
1395                 setatom(c, AtomUri, uri);
1396                 c->title = uri;
1397                 c->https = c->insecure = 0;
1398                 seturiparameters(c, uri);
1399                 if (c->errorpage)
1400                         c->errorpage = 0;
1401                 else
1402                         g_clear_object(&c->failedcert);
1403                 break;
1404         case WEBKIT_LOAD_REDIRECTED:
1405                 setatom(c, AtomUri, uri);
1406                 c->title = uri;
1407                 seturiparameters(c, uri);
1408                 break;
1409         case WEBKIT_LOAD_COMMITTED:
1410                 c->https = webkit_web_view_get_tls_info(c->view, &c->cert,
1411                                                         &c->tlserr);
1412                 break;
1413         case WEBKIT_LOAD_FINISHED:
1414                 /* Disabled until we write some WebKitWebExtension for
1415                  * manipulating the DOM directly.
1416                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1417                     enablescrollbars ? "auto" : "hidden");
1418                 */
1419                 runscript(c);
1420                 break;
1421         }
1422         updatetitle(c);
1423 }
1424
1425 void
1426 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1427 {
1428         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1429                       100;
1430         updatetitle(c);
1431 }
1432
1433 void
1434 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1435 {
1436         c->title = webkit_web_view_get_title(c->view);
1437         updatetitle(c);
1438 }
1439
1440 void
1441 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1442     Client *c)
1443 {
1444         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1445
1446         /* Keep the hit test to know where is the pointer on the next click */
1447         c->mousepos = h;
1448
1449         if (hc & OnLink)
1450                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1451         else if (hc & OnImg)
1452                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1453         else if (hc & OnMedia)
1454                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1455         else
1456                 c->targeturi = NULL;
1457
1458         c->overtitle = c->targeturi;
1459         updatetitle(c);
1460 }
1461
1462 gboolean
1463 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1464 {
1465         ParamName param = ParameterLast;
1466
1467         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1468                 param = Geolocation;
1469         } else if (WEBKIT_IS_USER_MEDIA_PERMISSION_REQUEST(r)) {
1470                 if (webkit_user_media_permission_is_for_audio_device(
1471                     WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
1472                         param = AccessMicrophone;
1473                 else if (webkit_user_media_permission_is_for_video_device(
1474                          WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
1475                         param = AccessWebcam;
1476         } else {
1477                 return FALSE;
1478         }
1479
1480         if (curconfig[param].val.b)
1481                 webkit_permission_request_allow(r);
1482         else
1483                 webkit_permission_request_deny(r);
1484
1485         return TRUE;
1486 }
1487
1488 gboolean
1489 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1490     WebKitPolicyDecisionType dt, Client *c)
1491 {
1492         switch (dt) {
1493         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1494                 decidenavigation(d, c);
1495                 break;
1496         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1497                 decidenewwindow(d, c);
1498                 break;
1499         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1500                 decideresource(d, c);
1501                 break;
1502         default:
1503                 webkit_policy_decision_ignore(d);
1504                 break;
1505         }
1506         return TRUE;
1507 }
1508
1509 void
1510 decidenavigation(WebKitPolicyDecision *d, Client *c)
1511 {
1512         WebKitNavigationAction *a =
1513             webkit_navigation_policy_decision_get_navigation_action(
1514             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1515
1516         switch (webkit_navigation_action_get_navigation_type(a)) {
1517         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1518         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1519         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1520         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1521         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1522         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1523         default:
1524                 /* Do not navigate to links with a "_blank" target (popup) */
1525                 if (webkit_navigation_policy_decision_get_frame_name(
1526                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1527                         webkit_policy_decision_ignore(d);
1528                 } else {
1529                         /* Filter out navigation to different domain ? */
1530                         /* get action→urirequest, copy and load in new window+view
1531                          * on Ctrl+Click ? */
1532                         webkit_policy_decision_use(d);
1533                 }
1534                 break;
1535         }
1536 }
1537
1538 void
1539 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1540 {
1541         Arg arg;
1542         WebKitNavigationAction *a =
1543             webkit_navigation_policy_decision_get_navigation_action(
1544             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1545
1546
1547         switch (webkit_navigation_action_get_navigation_type(a)) {
1548         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1549         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1550         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1551         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1552         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1553                 /* Filter domains here */
1554 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1555  * test for link clicked but no button ? */
1556                 arg.v = webkit_uri_request_get_uri(
1557                         webkit_navigation_action_get_request(a));
1558                 newwindow(c, &arg, 0);
1559                 break;
1560         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1561         default:
1562                 break;
1563         }
1564
1565         webkit_policy_decision_ignore(d);
1566 }
1567
1568 void
1569 decideresource(WebKitPolicyDecision *d, Client *c)
1570 {
1571         int i, isascii = 1;
1572         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1573         WebKitURIResponse *res =
1574             webkit_response_policy_decision_get_response(r);
1575         const gchar *uri = webkit_uri_response_get_uri(res);
1576
1577         if (g_str_has_suffix(uri, "/favicon.ico")) {
1578                 webkit_policy_decision_ignore(d);
1579                 return;
1580         }
1581
1582         if (!g_str_has_prefix(uri, "http://")
1583             && !g_str_has_prefix(uri, "https://")
1584             && !g_str_has_prefix(uri, "about:")
1585             && !g_str_has_prefix(uri, "file://")
1586             && !g_str_has_prefix(uri, "data:")
1587             && !g_str_has_prefix(uri, "blob:")
1588             && strlen(uri) > 0) {
1589                 for (i = 0; i < strlen(uri); i++) {
1590                         if (!g_ascii_isprint(uri[i])) {
1591                                 isascii = 0;
1592                                 break;
1593                         }
1594                 }
1595                 if (isascii) {
1596                         handleplumb(c, uri);
1597                         webkit_policy_decision_ignore(d);
1598                         return;
1599                 }
1600         }
1601
1602         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1603                 webkit_policy_decision_use(d);
1604         } else {
1605                 webkit_policy_decision_ignore(d);
1606                 download(c, res);
1607         }
1608 }
1609
1610 void
1611 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1612 {
1613         c->insecure = 1;
1614 }
1615
1616 void
1617 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1618 {
1619         g_signal_connect(G_OBJECT(d), "notify::response",
1620                          G_CALLBACK(responsereceived), c);
1621 }
1622
1623 void
1624 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1625 {
1626         download(c, webkit_download_get_response(d));
1627         webkit_download_cancel(d);
1628 }
1629
1630 void
1631 download(Client *c, WebKitURIResponse *r)
1632 {
1633         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1634         spawn(c, &a);
1635 }
1636
1637 void
1638 closeview(WebKitWebView *v, Client *c)
1639 {
1640         gtk_widget_destroy(c->win);
1641 }
1642
1643 void
1644 destroywin(GtkWidget* w, Client *c)
1645 {
1646         destroyclient(c);
1647         if (!clients)
1648                 gtk_main_quit();
1649 }
1650
1651 void
1652 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1653 {
1654         Arg a = {.v = text };
1655         if (text)
1656                 loaduri((Client *) d, &a);
1657 }
1658
1659 void
1660 reload(Client *c, const Arg *a)
1661 {
1662         if (a->b)
1663                 webkit_web_view_reload_bypass_cache(c->view);
1664         else
1665                 webkit_web_view_reload(c->view);
1666 }
1667
1668 void
1669 print(Client *c, const Arg *a)
1670 {
1671         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1672                                           GTK_WINDOW(c->win));
1673 }
1674
1675 void
1676 showcert(Client *c, const Arg *a)
1677 {
1678         GTlsCertificate *cert = c->failedcert ? c->failedcert : c->cert;
1679         GcrCertificate *gcrt;
1680         GByteArray *crt;
1681         GtkWidget *win;
1682         GcrCertificateWidget *wcert;
1683
1684         if (!cert)
1685                 return;
1686
1687         g_object_get(cert, "certificate", &crt, NULL);
1688         gcrt = gcr_simple_certificate_new(crt->data, crt->len);
1689         g_byte_array_unref(crt);
1690
1691         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1692         wcert = gcr_certificate_widget_new(gcrt);
1693         g_object_unref(gcrt);
1694
1695         gtk_container_add(GTK_CONTAINER(win), GTK_WIDGET(wcert));
1696         gtk_widget_show_all(win);
1697 }
1698
1699 void
1700 clipboard(Client *c, const Arg *a)
1701 {
1702         if (a->b) { /* load clipboard uri */
1703                 gtk_clipboard_request_text(gtk_clipboard_get(
1704                                            GDK_SELECTION_PRIMARY),
1705                                            pasteuri, c);
1706         } else { /* copy uri */
1707                 gtk_clipboard_set_text(gtk_clipboard_get(
1708                                        GDK_SELECTION_PRIMARY), c->targeturi
1709                                        ? c->targeturi : geturi(c), -1);
1710         }
1711 }
1712
1713 void
1714 zoom(Client *c, const Arg *a)
1715 {
1716         if (a->i > 0)
1717                 webkit_web_view_set_zoom_level(c->view,
1718                                                curconfig[ZoomLevel].val.f + 0.1);
1719         else if (a->i < 0)
1720                 webkit_web_view_set_zoom_level(c->view,
1721                                                curconfig[ZoomLevel].val.f - 0.1);
1722         else
1723                 webkit_web_view_set_zoom_level(c->view, 1.0);
1724
1725         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1726 }
1727
1728 void
1729 scroll(Client *c, const Arg *a)
1730 {
1731         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1732
1733         gdk_event_set_device(ev, gdkkb);
1734         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1735         ev->key.state = GDK_CONTROL_MASK;
1736         ev->key.time = GDK_CURRENT_TIME;
1737
1738         switch (a->i) {
1739         case 'd':
1740                 ev->key.keyval = GDK_KEY_Down;
1741                 break;
1742         case 'D':
1743                 ev->key.keyval = GDK_KEY_Page_Down;
1744                 break;
1745         case 'l':
1746                 ev->key.keyval = GDK_KEY_Left;
1747                 break;
1748         case 'r':
1749                 ev->key.keyval = GDK_KEY_Right;
1750                 break;
1751         case 'U':
1752                 ev->key.keyval = GDK_KEY_Page_Up;
1753                 break;
1754         case 'u':
1755                 ev->key.keyval = GDK_KEY_Up;
1756                 break;
1757         }
1758
1759         gdk_event_put(ev);
1760 }
1761
1762 void
1763 navigate(Client *c, const Arg *a)
1764 {
1765         if (a->i < 0)
1766                 webkit_web_view_go_back(c->view);
1767         else if (a->i > 0)
1768                 webkit_web_view_go_forward(c->view);
1769 }
1770
1771 void
1772 stop(Client *c, const Arg *a)
1773 {
1774         webkit_web_view_stop_loading(c->view);
1775 }
1776
1777 void
1778 toggle(Client *c, const Arg *a)
1779 {
1780         curconfig[a->i].val.b ^= 1;
1781         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1782 }
1783
1784 void
1785 togglefullscreen(Client *c, const Arg *a)
1786 {
1787         /* toggling value is handled in winevent() */
1788         if (c->fullscreen)
1789                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1790         else
1791                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1792 }
1793
1794 void
1795 togglecookiepolicy(Client *c, const Arg *a)
1796 {
1797         ++cookiepolicy;
1798         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1799
1800         setparameter(c, 0, CookiePolicies, NULL);
1801 }
1802
1803 void
1804 toggleinspector(Client *c, const Arg *a)
1805 {
1806         if (webkit_web_inspector_is_attached(c->inspector))
1807                 webkit_web_inspector_close(c->inspector);
1808         else if (curconfig[Inspector].val.b)
1809                 webkit_web_inspector_show(c->inspector);
1810 }
1811
1812 void
1813 find(Client *c, const Arg *a)
1814 {
1815         const char *s, *f;
1816
1817         if (a && a->i) {
1818                 if (a->i > 0)
1819                         webkit_find_controller_search_next(c->finder);
1820                 else
1821                         webkit_find_controller_search_previous(c->finder);
1822         } else {
1823                 s = getatom(c, AtomFind);
1824                 f = webkit_find_controller_get_search_text(c->finder);
1825
1826                 if (g_strcmp0(f, s) == 0) /* reset search */
1827                         webkit_find_controller_search(c->finder, "", findopts,
1828                                                       G_MAXUINT);
1829
1830                 webkit_find_controller_search(c->finder, s, findopts,
1831                                               G_MAXUINT);
1832
1833                 if (strcmp(s, "") == 0)
1834                         webkit_find_controller_search_finish(c->finder);
1835         }
1836 }
1837
1838 void
1839 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1840 {
1841         navigate(c, a);
1842 }
1843
1844 void
1845 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1846 {
1847         Arg arg;
1848
1849         arg.v = webkit_hit_test_result_get_link_uri(h);
1850         newwindow(c, &arg, a->b);
1851 }
1852
1853 void
1854 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1855 {
1856         Arg arg;
1857
1858         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1859         spawn(c, &arg);
1860 }
1861
1862 int
1863 main(int argc, char *argv[])
1864 {
1865         Arg arg;
1866         Client *c;
1867
1868         memset(&arg, 0, sizeof(arg));
1869
1870         /* command line args */
1871         ARGBEGIN {
1872         case 'a':
1873                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1874                 break;
1875         case 'b':
1876                 defconfig CSETB(ScrollBars, 0);
1877                 break;
1878         case 'B':
1879                 defconfig CSETB(ScrollBars, 1);
1880                 break;
1881         case 'c':
1882                 cookiefile = EARGF(usage());
1883                 break;
1884         case 'C':
1885                 stylefile = EARGF(usage());
1886                 break;
1887         case 'd':
1888                 defconfig CSETB(DiskCache, 0);
1889                 break;
1890         case 'D':
1891                 defconfig CSETB(DiskCache, 1);
1892                 break;
1893         case 'e':
1894                 embed = strtol(EARGF(usage()), NULL, 0);
1895                 break;
1896         case 'f':
1897                 defconfig CSETB(RunInFullscreen, 0);
1898                 break;
1899         case 'F':
1900                 defconfig CSETB(RunInFullscreen, 1);
1901                 break;
1902         case 'g':
1903                 defconfig CSETB(Geolocation, 0);
1904                 break;
1905         case 'G':
1906                 defconfig CSETB(Geolocation, 1);
1907                 break;
1908         case 'i':
1909                 defconfig CSETB(LoadImages, 0);
1910                 break;
1911         case 'I':
1912                 defconfig CSETB(LoadImages, 1);
1913                 break;
1914         case 'k':
1915                 defconfig CSETB(KioskMode, 0);
1916                 break;
1917         case 'K':
1918                 defconfig CSETB(KioskMode, 1);
1919                 break;
1920         case 'm':
1921                 defconfig CSETB(Style, 0);
1922                 break;
1923         case 'M':
1924                 defconfig CSETB(Style, 1);
1925                 break;
1926         case 'n':
1927                 defconfig CSETB(Inspector, 0);
1928                 break;
1929         case 'N':
1930                 defconfig CSETB(Inspector, 1);
1931                 break;
1932         case 'p':
1933                 defconfig CSETB(Plugins, 0);
1934                 break;
1935         case 'P':
1936                 defconfig CSETB(Plugins, 1);
1937                 break;
1938         case 'r':
1939                 scriptfile = EARGF(usage());
1940                 break;
1941         case 's':
1942                 defconfig CSETB(JavaScript, 0);
1943                 break;
1944         case 'S':
1945                 defconfig CSETB(JavaScript, 1);
1946                 break;
1947         case 't':
1948                 defconfig CSETB(StrictTLS, 0);
1949                 break;
1950         case 'T':
1951                 defconfig CSETB(StrictTLS, 1);
1952                 break;
1953         case 'u':
1954                 fulluseragent = EARGF(usage());
1955                 break;
1956         case 'v':
1957                 die("surf-"VERSION", see LICENSE for © details\n");
1958         case 'w':
1959                 showxid = 1;
1960                 break;
1961         case 'x':
1962                 defconfig CSETB(Certificate, 0);
1963                 break;
1964         case 'X':
1965                 defconfig CSETB(Certificate, 1);
1966                 break;
1967         case 'z':
1968                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1969                 break;
1970         default:
1971                 usage();
1972         } ARGEND;
1973         if (argc > 0)
1974                 arg.v = argv[0];
1975         else
1976                 arg.v = "about:blank";
1977
1978         setup();
1979         c = newclient(NULL);
1980         showview(NULL, c);
1981
1982         loaduri(c, &arg);
1983         updatetitle(c);
1984
1985         gtk_main();
1986         cleanup();
1987
1988         return 0;
1989 }